CN113685135B - Drilling box anchor box switching assembly and anchor rod drill carriage - Google Patents
Drilling box anchor box switching assembly and anchor rod drill carriage Download PDFInfo
- Publication number
- CN113685135B CN113685135B CN202110998369.6A CN202110998369A CN113685135B CN 113685135 B CN113685135 B CN 113685135B CN 202110998369 A CN202110998369 A CN 202110998369A CN 113685135 B CN113685135 B CN 113685135B
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- guide groove
- guide
- piston rod
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- 238000005553 drilling Methods 0.000 title claims abstract description 34
- 238000005192 partition Methods 0.000 claims description 27
- 239000003921 oil Substances 0.000 description 39
- 230000007423 decrease Effects 0.000 description 12
- 239000010720 hydraulic oil Substances 0.000 description 8
- 230000009471 action Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/022—Control of the drilling operation; Hydraulic or pneumatic means for activation or operation
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
- E21D20/006—Machines for drilling anchor holes and setting anchor bolts having magazines for storing and feeding anchoring-bolts
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a drilling box and anchor box switching assembly and an anchor rod drill carriage, which comprise a frame body, a first plate, a second plate, a sliding plate, a drilling box, an anchor box and a driving device, wherein the first plate, the second plate and the sliding plate are arranged on the frame body and can move along the length direction of the frame body, the first plate, the sliding plate and the second plate are arranged along the width direction of the frame body, and the sliding plate is positioned between the first plate and the second plate; the drill box guide sliding assembly is arranged on the first plate and the sliding plate, the first plate and the sliding plate can be switched, the anchor box guide sliding assembly is arranged on the second plate and the sliding plate, the second plate and the sliding plate can be switched, a first hole is formed in the drill box, and a second hole is formed in the anchor box; the driving device is used for driving the drill box or the anchor box to move and switch along the width direction of the frame body. The drilling box and anchor box switching assembly provided by the invention has the advantages that the occupied space is small, the switching of the drilling box and the anchor box in a limited space can be realized, the positioning precision is high, and the reliability is high.
Description
Technical Field
The invention relates to the technical field of anchor rod support, in particular to a drilling box anchor box switching assembly and an anchor rod drill carriage applying the drilling box anchor box switching assembly.
Background
An anchor-rod drill carriage is a supporting device specially used for supporting an anchor rod of a roadway, and is usually provided with a drill box and an anchor box because the anchor rod supporting operation needs to be drilled and anchored, wherein the drill box is used for drilling, and the anchor box is used for anchoring operation. In the related art, in order to facilitate the switching of the positions of the anchor box and the drill box, two switching oil cylinders are required to be arranged on the anchor rod drill carriage, one of the two switching oil cylinders is used for driving the anchor box to move, the other one of the two switching oil cylinders is used for driving the drill box to move, and the driving mode occupies large space and has high requirements on the overall structural space arrangement of the anchor rod drill carriage, in particular to the existence of the requirement on the empty jacking distance.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent.
Therefore, the embodiment of the invention provides the drilling box and anchor box switching assembly, which occupies small space, can realize the switching of the drilling box and the anchor box in a limited space, and has high positioning precision and high reliability.
The embodiment of the invention also provides an anchor rod drill carriage applying the drill box and anchor box switching assembly.
The drill box and anchor box switching assembly according to the embodiment of the invention comprises: the device comprises a frame body, a first plate and a second plate, wherein the first plate and the second plate are arranged on the frame body; the sliding plate is arranged on the frame body and can move along the length direction of the frame body, the first plate, the sliding plate and the second plate are arranged along the width direction of the frame body, and the sliding plate is positioned between the first plate and the second plate; the drilling box guide sliding assembly is arranged on the first plate and the sliding plate and is switchable between the first plate and the sliding plate, the anchor box guide sliding assembly is arranged on the second plate and the sliding plate and is switchable between the second plate and the sliding plate, a first hole is formed in the drilling box, and a second hole is formed in the anchor box; the driving device comprises a duplex oil cylinder and a driver, the duplex oil cylinder is connected with the driver, the driver is suitable for driving the duplex oil cylinder to move along the width direction of the frame body, the duplex oil cylinder comprises a first piston rod and a second piston rod, the first piston rod and the second piston rod are arranged at intervals along the width direction of the frame body, the first piston rod is suitable for being inserted into the first hole to drive the drilling box to switch between the first plate and the sliding plate when the driver acts, the second piston rod is suitable for being inserted into the second hole to drive the anchor box to switch between the second plate and the sliding plate when the driver acts, the first piston rod is further suitable for being blocked with the anchor box to enable the second piston rod to be aligned with the second hole, and the second piston rod is further suitable for being blocked with the drilling box to enable the first piston rod and the first hole to be aligned.
The drilling box and anchor box switching assembly provided by the embodiment of the invention has the advantages of small occupied space, high positioning precision and high reliability, and can realize switching between the drilling box and the anchor box in a limited space.
In some embodiments, the first plate is provided with a first surface, the second plate is provided with a second surface, the sliding plate is provided with a third surface, the first surface, the second surface and the third surface are positioned in the same plane, the drill box can be slidably switched between the first surface and the third surface, and the anchor box can be slidably switched between the second surface and the third surface.
In some embodiments, the first face is provided with a first guide groove, the second face is provided with a second guide groove, the third face is provided with a third guide groove, the drill box is provided with a first guide rod, the first guide rod is matched with the first guide groove and the third guide groove, the anchor box is provided with a second guide rod, the second guide rod is matched with the second guide groove and the third guide groove, the first guide groove and the third guide groove are coaxially arranged so that the first guide rod can be slidably switched between the first guide groove and the second guide groove, and the second guide groove and the third guide groove are coaxially arranged so that the second guide rod can be slidably switched between the second guide groove and the third guide groove.
In some embodiments, the end of the first guide groove facing the third guide groove, the two ends of the third guide groove, and the end of the second guide groove facing the third guide groove are each provided with a guide section, the radial dimension of the guide section of the end of the first guide groove gradually decreases along the direction from the third guide groove to the first guide groove, the guide sections of the two ends of the third guide groove gradually decreases along the direction from the outer side of the third guide groove to the inner side of the third guide groove, and the radial dimension of the guide section of the end of the second guide groove gradually decreases along the direction from the third guide groove to the second guide groove.
In some embodiments, the ends of the first guide bar and the second guide bar are each provided with a tapered portion, the radial dimension of the tapered portions at both ends of the first guide bar gradually decreases in a direction from the outside of the first guide bar to the inside of the first guide bar, and the radial dimension of the tapered portions at both ends of the second guide bar gradually decreases in a direction from the outside of the second guide bar to the inside of the second guide bar.
In some embodiments, the drill box comprises a first connecting plate, the first guide rod is arranged on one side surface of the first connecting plate, a plurality of first lugs are arranged on the other side surface of the first connecting plate, the first holes are formed in the first lugs, the anchor box comprises a second connecting plate, the second guide rod is arranged on one side surface of the second connecting plate, a plurality of second lugs are arranged on the other side surface of the second connecting plate, and the second holes are formed in the second lugs.
In some embodiments, a positioning oil cylinder is arranged on the sliding plate, positioning holes are formed in the first connecting plate and the second connecting plate, a piston rod of the positioning oil cylinder is suitable for being inserted into the positioning holes in the first connecting plate to fix the drill box and the sliding plate, and a piston rod of the positioning oil cylinder is also suitable for being inserted into the positioning holes in the second connecting plate to fix the anchor box and the sliding plate.
In some embodiments, the positioning hole is a waist-shaped hole, and the free end of the piston rod of the positioning cylinder is a frustum.
In some embodiments, the duplex cylinder comprises a cylinder body, the first piston rod and the second piston rod are both in guiding fit on the cylinder body, a first cavity and a second cavity are arranged in the cylinder body, a first partition plate is arranged in the first cavity, the first cavity is divided into a first movable cavity and a second movable cavity by the first partition plate, one end of the first piston rod penetrates through the first movable cavity and is connected with the first partition plate, the other end of the first piston rod extends to the outer side of the cylinder body, a second partition plate is arranged in the second cavity, the second cavity is divided into a third movable cavity and a fourth movable cavity by the second partition plate, one end of the second piston rod penetrates through the third movable cavity and is connected with the second partition plate, the other end of the second movable rod extends to the outer side of the cylinder body, a first oil way and a second oil way are further arranged in the cylinder body, the first oil way is communicated with the first movable cavity and the fourth movable cavity, the second oil way is communicated with the second movable cavity and the first movable cavity and the second movable cavity or the first movable cavity and the second movable cavity are communicated with the first movable cavity and the second movable cavity and the fourth movable cavity.
The anchor rod drill carriage comprises a vehicle body and a drill box anchor box switching assembly, wherein the drill box anchor box switching assembly is arranged on the vehicle body, and the drill box anchor box switching assembly is the drill box anchor box switching assembly in any one of the embodiments.
Drawings
Fig. 1 is a schematic overall structure of a drill box and anchor box switching assembly according to an embodiment of the present invention.
Fig. 2 is a schematic front view of a second connection plate of the anchor box of fig. 1.
Fig. 3 is a schematic rear view of a second web of the anchor box of fig. 1.
Fig. 4 is a schematic view of the second connecting plate and the sliding plate guiding engagement.
Fig. 5 is a schematic view of the internal structure of the twin cylinder of fig. 1.
Fig. 6 is a schematic view showing the extension of a second piston rod of the duplex cylinder of fig. 1.
Fig. 7 is a schematic view of the extension of the first piston rod of the twin ram of fig. 1.
Reference numerals:
a frame body 1;
a first plate 2;
a second plate 3;
a slip plate 4; a third guide groove 41; a positioning cylinder 42;
a drill box 5; a first connection plate 51;
an anchor box 6; a second connection plate 61; a second ear plate 611; positioning holes 612; a second aperture 613; a second guide 614; a tapered portion 6141;
a driving device 7; a duplex cylinder 71; a first piston rod 711; a second piston rod 712; a first partition 713; a second separator 714; a first active cavity 715; a second movable cavity 716; a third movable chamber 717; a fourth active cavity 718; a second oil passage 719; a first oil passage 720; a first port 721; a second port 722; a driver 72.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 7, the drill box and anchor box switching assembly according to an embodiment of the present invention includes a frame body 1, a first plate 2, a second plate 3, a slip plate 4, a drill box 5, an anchor box 6, and a driving device 7.
As shown in fig. 1, the frame body 1 may be formed by welding steel materials, and the frame body 1 is substantially rectangular parallelepiped, and the frame body 1 extends in the up-down direction. The first plate 2 and the second plate 3 are arranged on the frame body 1, the first plate 2 and the second plate 3 are fixed at the bottom of the frame body 1, and the first plate 2 and the second plate 3 are arranged at intervals along the left-right direction. For example, the first plate 2 and the second plate 3 may be fixed to the bottom of the frame body 1 by welding, and the first plate 2 and the second plate 3 may be detachably fixed to the bottom of the frame body 1 by bolts or nuts.
The sliding plate 4 is arranged on the frame body 1 and can move along the length direction of the frame body 1, the first plate 2, the sliding plate 4 and the second plate 3 are arranged along the width direction of the frame body 1, and the sliding plate 4 is positioned between the first plate 2 and the second plate 3.
Specifically, as shown in fig. 1, the width direction of the frame body 1 is the left-right direction, the sliding plate 4 is disposed between the first plate 2 and the second plate 3, wherein the first plate 2 is located at the left side of the sliding plate 4, and the second plate 3 is located at the right side of the sliding plate 4. The sliding plate 4 can be assembled on the frame body 1 in a guiding sliding manner through a guide rail, the length direction of the frame body 1 is the up-down direction, and the sliding plate 4 can move along the up-down direction.
The drill box 5 is assembled on the first plate 2 and the sliding plate 4 in a guiding sliding manner, the first plate 2 and the sliding plate 4 can be switched, the anchor box 6 is assembled on the second plate 3 and the sliding plate 4 in a guiding sliding manner, the second plate 3 and the sliding plate 4 can be switched, a first hole is formed in the drill box 5, and a second hole 613 is formed in the anchor box 6.
Specifically, the drill box 5 may be fitted on the first plate 2 and the sliding plate 4 by guide rail guide sliding, and the drill box 5 may be capable of switching reciprocally between the first plate 2 and the sliding plate 4 when the sliding plate 4 and the first plate 2 are substantially flush in the left-right direction. Similarly, the anchor box 6 may also be fitted on the slide plate 4 and the second plate 3 by rail-guided sliding, and the anchor box 6 can be reciprocally switched between the slide plate 4 and the second plate 3 when the slide plate 4 and the second plate 3 are substantially flush in the left-right direction.
The drilling box 5 is provided with a first hole, which can be a through hole or a blind hole, the first hole is suitable for the first piston rod 711 of the duplex cylinder 71 to be inserted, the anchor box 6 is provided with a second hole 613, which can be a through hole or a blind hole, and the second hole 613 is suitable for the second piston rod 712 of the duplex cylinder 71 to be inserted.
The driving device 7 comprises a duplex cylinder 71 and a driver 72, the duplex cylinder 71 is connected with the driver 72, the driver 72 is suitable for driving the duplex cylinder 71 to move along the width direction of the frame body 1, the duplex cylinder 71 comprises a first piston rod 711 and a second piston rod 712, the first piston rod 711 and the second piston rod 712 are arranged at intervals along the width direction of the frame body 1, the first piston rod 711 is suitable for being inserted into a first hole to drive the drill box 5 to switch between the first plate 2 and the sliding plate 4 when the driver 72 acts, the second piston rod 712 is suitable for being inserted into a second hole 613 to drive the anchor box 6 to switch between the second plate 3 and the sliding plate 4 when the driver 72 acts, the first piston rod 711 is also suitable for being stopped with the anchor box 6 to align the second piston rod 712 with the second hole 613, and the second piston rod 712 is also suitable for being stopped with the drill box 5 to align the first piston rod 711 with the first hole.
Specifically, as shown in fig. 1, the driver 72 may be a telescopic cylinder, the driver 72 extends along a left-right direction, the duplex cylinder 71 is fixed at a left end of the driver 72, and as shown in fig. 5, a first piston rod 711 and a second piston rod 712 are provided on the duplex cylinder 71, and the first piston rod 711 and the second piston rod 712 have a linkage effect, that is, when one of the first piston rod 711 and the second piston rod 712 extends, the other is retracted into a cylinder body of the cylinder.
The first piston rod 711 is adapted to be inserted into the first hole of the drill box 5, and then the drill box 5 can be reciprocally switched between the first plate 2 and the sliding plate 4 by the extension and retraction of the driver 72, and finally the drilling operation of the rock bolt is completed by means of the movement of the sliding plate 4 in the up-down direction. The second piston rod 712 is adapted to be inserted into the second hole 613 of the anchor box 6, and then the anchor box 6 can be reciprocally switched between the first plate 2 and the sliding plate 4 by the extension and retraction of the driver 72, and finally the anchoring operation of the anchor rod is completed by the movement of the sliding plate 4 in the up-down direction.
In the process of the duplex cylinder 71 moving reciprocally along the left-right direction, the first piston rod 711 can also be in stop contact with the left side of the anchor box 6, so that the positioning of the position of the duplex cylinder 71 can be realized, the second piston rod 712 can be aligned with the second hole 613 on the anchor box 6, and the second piston rod 712 can be conveniently inserted into the second hole 613.
Similarly, during the reciprocating movement of the duplex cylinder 71 in the left-right direction, the second piston rod 712 can also be in stop contact with the right side of the drill box 5, so that the positioning of the position of the duplex cylinder 71 can be achieved, the first piston rod 711 can be aligned with the first hole on the drill box 5, and the first piston rod 711 can be conveniently inserted into the first hole.
According to the drilling box and anchor box switching assembly provided by the embodiment of the invention, the drilling box 5 and the anchor box 6 can be driven in a reciprocating manner through the duplex oil cylinders 71, so that the situation that the drilling box 5 and the anchor box 6 are required to be driven independently by means of two driving oil cylinders in the related art is avoided, the integral structure is simplified, the space occupation rate is reduced, and the switching of the drilling box 5 and the anchor box 6 in a limited space is realized.
In some embodiments, the first plate 2 is provided with a first surface, the second plate 3 is provided with a second surface, the sliding plate 4 is provided with a third surface, the first surface, the second surface and the third surface are located in the same plane, the drilling box 5 can be slidably switched between the first surface and the third surface, and the anchor box 6 can be slidably switched between the second surface and the third surface.
Specifically, as shown in fig. 1, the first plate 2, the sliding plate 4 and the second plate 3 are all installed at the front side of the frame body 1, the front side surface of the first plate 2 is a first surface, the front side surface of the second plate 3 is a second surface, the front side surface of the sliding plate 4 is a third surface, the first surface, the second surface and the third surface are substantially flush in the left-right direction, the drilling box 5 can be switched between the first surface and the third surface in a reciprocating manner, and the anchor box 6 can be switched between the second surface and the third surface in a reciprocating manner. Thereby, the assembly accuracy of the drill box 5 and the anchor box 6 is ensured, and the reciprocating switching of the drill box 5 and the anchor box 6 is ensured.
In some embodiments, a first guide groove is provided on the first surface, a second guide groove is provided on the second surface, a third guide groove 41 is provided on the third surface, a first guide rod is provided on the drill box 5, the first guide rod is matched in the first guide groove and the third guide groove 41, a second guide rod 614 is provided on the anchor box 6, the second guide rod 614 is matched in the second guide groove and the third guide groove 41, the first guide groove and the third guide groove 41 are coaxially arranged so that the first guide rod can be slidably switched between the first guide groove and the second guide groove, and the second guide groove and the third guide groove 41 are coaxially arranged so that the second guide rod 614 can be slidably switched between the second guide groove and the third guide groove 41.
Specifically, two first guide grooves may be disposed on the first surface and arranged at intervals in the up-down direction, two second guide grooves may be disposed on the second surface and arranged at intervals in the up-down direction, and two third guide grooves 41 may be disposed on the third surface and arranged at intervals in the up-down direction, wherein the first guide grooves, the second guide grooves, and the third guide grooves 41 all extend in the left-right direction, and each first guide groove is coaxially arranged with the corresponding second guide groove and the corresponding third guide groove 41 when the sliding plate 4 moves between the first plate 2 and the second plate 3.
As shown in fig. 3, the rear side surface of the drill box 5 is provided with two first guide rods, the two first guide rods are arranged at intervals along the up-down direction, and the two first guide rods extend along the left-right direction. Both first guide rods are guided to fit in the corresponding first guide groove and third guide groove 41. Similarly, the rear side of the anchor box 6 is provided with two second guide rods 614, two second guide rods 614 are arranged at intervals in the up-down direction, and the two second guide rods 614 extend in the left-right direction. Both second guide rods 614 are guided to fit in the corresponding second and third guide grooves 41. Thereby, a guided sliding assembly of the drill box 5 and the first and second plates 2, 4 is achieved, as well as a guided sliding assembly of the anchor box 6 and the sliding and second plates 4, 3. In addition, the joint of the first guide rod and the drill box 5 can bear a larger shearing action, and the joint of the second guide rod 614 and the anchor box 6 can also bear a larger shearing action, so that the structural strength requirement of the drill box 5 and the anchor box 6 sliding along with the sliding plate 4 is met.
In some embodiments, the end of the first guide groove facing the third guide groove 41, the two ends of the third guide groove 41, and the end of the second guide groove facing the third guide groove 41 are each provided with a guide section, the radial dimension of the guide section of the end of the first guide groove gradually decreases in the direction from the third guide groove 41 to the first guide groove, the guide sections of the two ends of the third guide groove 41 gradually decreases in the direction from the outside of the third guide groove 41 to the inside of the third guide groove 41, and the radial dimension of the guide section of the end of the second guide groove gradually decreases in the direction from the third guide groove 41 to the second guide groove.
Specifically, as shown in fig. 1, the right end of the first guide groove, the left and right ends of the third guide groove 41, and the left end of the second guide groove are each provided with a guide section, which can be regarded as a tapered through hole, wherein the radial dimension of the guide section at the right end of the first guide groove gradually increases in the left-to-right direction, and the radial dimension of the guide section at the left end of the third guide groove 41 gradually decreases in the left-to-right direction, and the radial dimension of the guide section at the right end of the third guide groove 41 gradually increases in the left-to-right direction, and the radial dimension of the guide section at the left end of the second guide groove gradually decreases in the left-to-right direction.
Thereby, the insertion of the first guide rod into the first guide groove and the third guide groove 41 is facilitated, and the insertion of the second guide rod 614 into the third guide groove 41 and the second guide groove is also facilitated, thereby facilitating the reciprocating switching of the drill box 5 and the anchor box 6.
In some embodiments, the ends of the first and second guide bars 614 are each provided with a tapered portion 6141, the radial dimension of the tapered portions 6141 at both ends of the first guide bar gradually decreases in a direction from the outside of the first guide bar to the inside of the first guide bar, and the radial dimension of the tapered portions 6141 at both ends of the second guide bar 614 gradually decreases in a direction from the outside of the second guide bar 614 to the inside of the second guide bar 614.
Specifically, as shown in fig. 3, both ends of the first guide rod and the second guide rod 614 are provided with tapered portions 6141, the tapered portions 6141 are frustum-shaped, wherein the radial dimension of the tapered portions 6141 at both ends of the first guide rod becomes gradually larger along the direction from the outside to the inside of the first guide rod, and the radial dimension of the tapered portions 6141 at both ends of the second guide rod 614 becomes gradually larger along the direction from the outside to the inside of the second guide rod 614. When the first guide bar and the second guide bar 614 are inserted into the corresponding guide grooves, the tapered portion 6141 can be matched with the guide section, so that the first guide bar and the second guide bar 614 are conveniently inserted into the corresponding guide grooves, and the drilling box 5 and the anchor box 6 can be switched more smoothly.
In some embodiments, the drill box 5 includes a first connection plate 51, a first guide rod is disposed on one side surface of the first connection plate 51, a plurality of first ear plates are disposed on the other side surface of the first connection plate 51, a first hole is disposed on the first ear plates, the anchor box 6 includes a second connection plate 61, a second guide rod 614 is disposed on one side surface of the second connection plate 61, a plurality of second ear plates 611 are disposed on the other side surface of the second connection plate 61, and a second hole 613 is disposed on the second ear plates 611.
Specifically, as shown in fig. 2, the first connecting plate 51 is used for fixing the drill box 5, the first connecting plate 51 is generally square, four first ear plates are disposed on the front side surface of the first connecting plate 51, the four first ear plates are respectively disposed at four corner positions of the first connecting plate 51, two first ear plates located below are respectively provided with a first hole, the first holes extend along the up-down direction, and when the duplex cylinder 71 moves below the first connecting plate 51, the first piston rod 711 can extend out and be inserted into the first holes.
The second connecting plate 61 is used for fixing the anchor box 6, the second connecting plate 61 is generally square, four second lugs 611 are arranged on the front side surface of the second connecting plate 61, the four second lugs 611 are respectively arranged at four corner positions of the second connecting plate 61, two second lugs 611 positioned below are respectively provided with a second hole 613, the second holes 613 extend along the up-down direction, and when the duplex cylinder 71 moves below the second connecting plate 61, the second piston rod 712 can extend out and be inserted into the second holes 613.
The arrangement of the first lug plate not only facilitates the installation and fixation of the drill box 5, but also realizes the plug-in fit with the first piston rod 711, and the arrangement of the second lug plate 611 not only facilitates the installation and fixation of the anchor box 6, but also realizes the plug-in fit with the second piston rod 712.
In some embodiments, the sliding plate 4 is provided with a positioning oil cylinder 42, the first connecting plate 51 and the second connecting plate 61 are provided with positioning holes 612, a piston rod of the positioning oil cylinder 42 is suitable for being inserted into the positioning holes 612 on the first connecting plate 51 to realize positioning and fixing of the drilling box 5 and the sliding plate 4, and a piston rod of the positioning oil cylinder 42 is also suitable for being inserted into the positioning holes 612 on the second connecting plate 61 to realize positioning and fixing of the anchor box 6 and the sliding plate 4.
Specifically, as shown in fig. 2 to 4, the middle part of the sliding plate 4 is provided with a positioning oil cylinder 42, piston rods of the positioning oil cylinder 42 are telescopic along the front-rear direction, the middle parts of the first connecting plate 51 and the second connecting plate 61 are respectively provided with a positioning hole 612, when the drill box 5 moves onto the sliding plate 4, the piston rods of the positioning oil cylinders 42 on the sliding plate 4 extend out and are inserted into the positioning holes 612 of the first connecting plate 51, and when the anchor box 6 moves onto the sliding plate 4, the piston rods of the positioning oil cylinders 42 on the sliding plate 4 extend out and are inserted into the positioning holes 612 of the second connecting plate 61. Therefore, the fixing effect of the sliding plate 4 and the drilling box 5 or the anchor box 6 can be enhanced, and the running stability is ensured.
In some embodiments, the positioning hole 612 is a kidney-shaped hole and the free end of the piston rod of the positioning cylinder 42 is a frustum. Specifically, as shown in fig. 2 to 4, the positioning hole 612 is a waist-shaped hole, the positioning hole 612 extends in the up-down direction, and the radial dimension of the free end of the piston rod of the positioning cylinder 42 becomes gradually smaller in the direction from the inside to the outside of the piston rod. Thereby, the insertion of the piston rod of the positioning cylinder 42 into the positioning hole 612 is facilitated.
In some embodiments, the duplex cylinder 71 includes a cylinder body, the first piston rod 711 and the second piston rod 712 are both in guiding fit on the cylinder body, a first partition 713 is disposed in the cylinder body, the first partition 713 separates the first cavity into a first movable cavity 715 and a second movable cavity 716, one end of the first piston rod 711 passes through the first movable cavity 715 and is connected with the first partition 713, the other end of the first piston rod 711 extends to the outside of the cylinder body, a second partition 714 is disposed in the second cavity, the second partition 714 separates the second cavity into a third movable cavity 717 and a fourth movable cavity 718, one end of the second piston rod 712 passes through the third movable cavity 717 and is connected with the second partition 714, the other end of the second movable rod extends to the outside of the cylinder body, a first oil path 720 and a second oil path 719 are further disposed in the cylinder body, the first oil path 720 communicates with the first movable cavity 715 and the fourth movable cavity 718, the second oil path 719 communicates with the second movable cavity 717, the cylinder body is further provided with a first port 721 and a second port 722, the first port 721 and the second port 722 are adapted to communicate with the first movable cavity 721 and the fourth movable cavity 718, or the first port 721 and the fourth port 722 communicate with the first movable cavity 716 and the fourth movable cavity.
Specifically, the duplex cylinder 71 includes a cylinder body having a substantially square block shape, as shown in fig. 5, in which a first chamber and a second chamber are provided, which extend in the up-down direction, and which are arranged at intervals in the front-rear direction, wherein a first piston rod 711 is fitted in the first chamber and penetrates the cylinder body, a second piston cylinder is fitted in the second chamber and penetrates the cylinder body, and the first piston rod 711 and the second piston rod 712 are movable in the up-down direction.
The first cavity is internally provided with a first partition plate 713, the first partition plate 713 divides the first cavity into a first movable cavity 715 and a second movable cavity 716 in a sealing way, the first movable cavity 715 is positioned above the second movable cavity 716, the inner end of the first piston rod 711 is connected with the middle part of the first partition plate 713, and the first piston rod 711 penetrates through the first movable cavity 715 and extends out of the cylinder body. Similarly, a second partition 714 is disposed in the second cavity, the second partition 714 seals the second cavity into a third movable cavity 717 and a fourth movable cavity 718, the third movable cavity 717 is located above the fourth movable cavity 718, the inner end of the second piston rod 712 is connected to the middle of the second partition 714, and the second piston rod 712 passes through the third movable cavity 717 and extends out of the cylinder.
A first oil passage 720 and a second oil passage 719 are further provided in the cylinder body, wherein one end of the first oil passage 720 communicates with the first movable chamber 715, and the other end of the first oil passage 720 communicates with the fourth movable chamber 718, thereby causing the first movable chamber 715 and the fourth movable chamber 718 to communicate, and when hydraulic oil is injected into one of the first movable chamber 715 and the fourth movable chamber 718, the other is also simultaneously injected with hydraulic oil. Similarly, one end of the second oil passage 719 communicates with the second movable chamber 716, and the other end of the second oil passage 719 communicates with the third movable chamber 717, whereby the second movable chamber 716 and the third movable chamber 717 are caused to communicate, and when hydraulic oil is injected into one of the second movable chamber 716 and the third movable chamber 717, the other is also simultaneously injected with hydraulic oil.
In use, the switching assembly of the anchor box 6 and the drill box 5 of the embodiment of the invention is realized by injecting hydraulic oil into one of the first movable cavity 715 and the fourth movable cavity 718, under the action of the hydraulic pressure, the first partition 713 moves down, the first piston rod 711 is contracted into the first cavity, the second partition 714 moves up, and the second piston rod 712 extends out of the second cavity, as shown in fig. 6. By injecting lubricating oil into one of the second movable chamber 716 and the third movable chamber 717, the first diaphragm 713 moves upward under the hydraulic pressure, the first piston rod 711 protrudes out of the first chamber, the second diaphragm 714 moves downward, and the second piston rod 712 contracts into the second chamber, as shown in fig. 7. Thereby, an alternating extension of the first piston rod 711 and the second piston rod 712 is achieved, whereby a separate driving of the anchor box 6 and the drill box 5, respectively, can be achieved.
As shown in fig. 5, the first port 721 and the second port 722 are provided on the cylinder, wherein the first port 721 communicates with the second movable chamber 716 and the second port 722 communicates with the fourth movable chamber 718. The first port 721 and the second port 722 may each function to allow hydraulic oil to flow in and out, and when the first port 721 is filled with oil, the first piston rod 711 is extended and the second piston rod 712 is contracted, and at this time, the hydraulic oil in the first movable chamber 715 and the fourth movable chamber 718 may flow out through the second port 722. When the second port 722 is filled with oil, the first piston rod 711 is contracted, the second piston rod 712 is extended, and at this time, the hydraulic oil of the second movable chamber 716 and the third movable chamber 717 can flow out through the first port 721. Thereby, the arrangement of the channels in the cylinder is simplified, and the driving forms of the first piston rod 711 and the second piston rod 712 are simplified.
In some embodiments, a displacement sensor may be disposed in the driver 72, where the displacement sensor may monitor the expansion and contraction amount of the driver, so as to accurately control the expansion and contraction amount of the driver 72, thereby improving the positioning accuracy of the duplex cylinder 71.
An anchor and drill rig according to an embodiment of the present invention is described below.
The anchor rod drill carriage according to the embodiment of the invention comprises a vehicle body and a drill box and anchor box switching assembly, wherein the drill box and anchor box switching assembly is arranged on the vehicle body, and the drill box and anchor box switching assembly can be the drill box and anchor box switching assembly described in the embodiment. According to the anchor rod drill carriage provided by the embodiment of the invention, the precision and reliability of the switching assembly are high, the positioning precision is high, the switching between the drill box 5 and the anchor box 6 can be realized through one duplex oil cylinder 71, the structure is simple, and the space occupancy rate is low. The positioning oil cylinder 42 is arranged in the sliding plate 4, so that the structure is compact, and the maintainability is good. In addition, the anchor rod drill carriage processing technology and the assembly technology of the embodiment of the invention are good, and the automation of the anchor rod drill carriage is improved.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (9)
1. A drill box anchor box switching assembly, comprising:
a frame body;
the first plate and the second plate are arranged on the frame body;
the sliding plate is arranged on the frame body and can move along the length direction of the frame body, the first plate, the sliding plate and the second plate are arranged along the width direction of the frame body, and the sliding plate is positioned between the first plate and the second plate;
the drilling box guide sliding assembly is arranged on the first plate and the sliding plate and is switchable between the first plate and the sliding plate, the anchor box guide sliding assembly is arranged on the second plate and the sliding plate and is switchable between the second plate and the sliding plate, a first hole is formed in the drilling box, and a second hole is formed in the anchor box;
the driving device comprises a duplex oil cylinder and a driver, the duplex oil cylinder is connected with the driver, the driver is suitable for driving the duplex oil cylinder to move along the width direction of the frame body, the duplex oil cylinder comprises a first piston rod and a second piston rod, the first piston rod and the second piston rod are arranged at intervals along the width direction of the frame body, the first piston rod is suitable for being inserted into the first hole to drive the drilling box to switch between the first plate and the sliding plate when the driver acts, the second piston rod is suitable for being inserted into the second hole to drive the anchor box to switch between the second plate and the sliding plate when the driver acts, the first piston rod is also suitable for being stopped with an anchor box to align the second piston rod with the second hole, and the second piston rod is also suitable for being stopped with the drilling box to align the first piston rod with the first hole;
the double-cylinder comprises a cylinder body, the first piston rod and the second piston rod are in guide fit on the cylinder body, a first cavity and a second cavity are arranged in the cylinder body, a first partition plate is arranged in the first cavity, the first cavity is divided into a first movable cavity and a second movable cavity by the first partition plate, one end of the first piston rod penetrates through the first movable cavity and is connected with the first partition plate, the other end of the first piston rod extends to the outer side of the cylinder body, a second partition plate is arranged in the second cavity, the second cavity is divided into a third movable cavity and a fourth movable cavity by the second partition plate, one end of the second piston rod penetrates through the third movable cavity and is connected with the second partition plate, the other end of the second piston rod extends to the outer side of the cylinder body, a first oil way is further arranged in the cylinder body and is communicated with the first movable cavity and the fourth movable cavity, the second oil way is communicated with the second movable cavity and the third movable cavity and the fourth movable cavity, the second oil way is further communicated with the first movable cavity and the second movable cavity and the fourth movable cavity, the first movable cavity and the second movable cavity and the fourth movable cavity are communicated with the first movable cavity and the fourth movable cavity are also arranged; the first piston rod and the second piston rod are alternately extended, so that the anchor box and the drill box can be driven respectively.
2. The drill box and anchor box switching assembly of claim 1, wherein the first plate is provided with a first face, the second plate is provided with a second face, the sliding plate is provided with a third face, the first face, the second face and the third face are located in the same plane, the drill box is slidably switched between the first face and the third face, and the anchor box is slidably switched between the second face and the third face.
3. The drill box and anchor box switching assembly of claim 2, wherein a first guide groove is formed in the first face, a second guide groove is formed in the second face, a third guide groove is formed in the third face, a first guide rod is arranged on the drill box and is matched with the first guide groove and the third guide groove, a second guide rod is arranged on the anchor box and is matched with the second guide groove and the third guide groove, the first guide groove and the third guide groove are coaxially arranged so that the first guide rod can be slidably switched between the first guide groove and the second guide groove, and the second guide groove and the third guide groove are coaxially arranged so that the second guide rod can be slidably switched between the second guide groove and the third guide groove.
4. A drill box and anchor box switching assembly according to claim 3, wherein the end of the first guide groove facing the third guide groove, the two ends of the third guide groove and the end of the second guide groove facing the third guide groove are provided with guide sections, the radial dimension of the guide sections of the end of the first guide groove is gradually reduced along the direction from the third guide groove to the first guide groove, the guide sections of the two ends of the third guide groove are gradually reduced along the direction from the outer side of the third guide groove to the inner side of the third guide groove, and the radial dimension of the guide sections of the end of the second guide groove is gradually reduced along the direction from the third guide groove to the second guide groove.
5. A drill box and anchor box switching assembly according to claim 3, wherein the ends of the first and second guide rods are each provided with a tapered portion, the radial dimension of the tapered portions at both ends of the first guide rod being tapered in a direction from the outside of the first guide rod to the inside of the first guide rod, and the radial dimension of the tapered portions at both ends of the second guide rod being tapered in a direction from the outside of the second guide rod to the inside of the second guide rod.
6. A drill box and anchor box switching assembly according to claim 3, wherein the drill box comprises a first connecting plate, the first guide rod is arranged on one side face of the first connecting plate, a plurality of first lugs are arranged on the other side face of the first connecting plate, the first holes are formed in the first lugs, the anchor box comprises a second connecting plate, the second guide rod is arranged on one side face of the second connecting plate, a plurality of second lugs are arranged on the other side face of the second connecting plate, and the second holes are formed in the second lugs.
7. The drilling and bolting assembly according to claim 6, wherein the sliding plate is provided with a positioning cylinder, the first connecting plate and the second connecting plate are provided with positioning holes, a piston rod of the positioning cylinder is suitable for being inserted into the positioning holes on the first connecting plate to fix the drilling and the sliding plate, and a piston rod of the positioning cylinder is also suitable for being inserted into the positioning holes on the second connecting plate to fix the bolting assembly and the sliding plate.
8. The drill box and anchor box switching assembly of claim 7, wherein the locating hole is a kidney-shaped hole and the free end of the piston rod of the locating cylinder is a frustum.
9. An anchor rod drill carriage characterized by comprising a carriage body and a drill box anchor box switching assembly, wherein the drill box anchor box switching assembly is arranged on the carriage body, and the drill box anchor box switching assembly is according to any one of claims 1-8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110998369.6A CN113685135B (en) | 2021-08-27 | 2021-08-27 | Drilling box anchor box switching assembly and anchor rod drill carriage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110998369.6A CN113685135B (en) | 2021-08-27 | 2021-08-27 | Drilling box anchor box switching assembly and anchor rod drill carriage |
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| CN113685135B true CN113685135B (en) | 2024-01-30 |
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| CN104790869A (en) * | 2015-04-14 | 2015-07-22 | 王发秀 | Drilling box switching device of anchor rod drilling machine for coal mine |
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