CN110242235B - Major diameter broken core extraction element - Google Patents
Major diameter broken core extraction element Download PDFInfo
- Publication number
- CN110242235B CN110242235B CN201910555000.0A CN201910555000A CN110242235B CN 110242235 B CN110242235 B CN 110242235B CN 201910555000 A CN201910555000 A CN 201910555000A CN 110242235 B CN110242235 B CN 110242235B
- Authority
- CN
- China
- Prior art keywords
- core
- sawing
- sleeve
- rope
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000605 extraction Methods 0.000 title claims abstract description 33
- 239000011435 rock Substances 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 28
- 239000010432 diamond Substances 0.000 claims abstract description 28
- 238000005520 cutting process Methods 0.000 claims abstract description 22
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 10
- 238000010276 construction Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 101150054854 POU1F1 gene Proteins 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/10—Formed core retaining or severing means
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a large-diameter broken core extraction device, which comprises: a hoisting sleeve assembly and a diamond sawing rope assembly; the diamond sawing rope assembly is provided with a sawing rope for cutting off the core; the hoisting sleeve assembly comprises a sleeve main body sleeved on the periphery of the core, a fastening mechanism used for tightly gripping or loosening the core and a sawing rope fixing piece used for enabling a sawing rope to pass through, wherein the fastening mechanism and the sawing rope fixing piece are arranged on the sleeve main body; the sawing rope fixing part is arranged along the circumferential direction of the sleeve main body, and the opening of the sawing rope fixing part faces the rock core so that the sawing rope can be attached to the rock core when being tightened. Compared with the prior art, the mode that adopts the sawing wire cutting and fasten through fastening device can once cut off the core, and is fast, the energy consumption is low, do not have impact vibrations, the section is level and smooth, can cut the great and diameter of the core that is greater than 76mm of hardness.
Description
Technical Field
The invention relates to the technical field of rock coring, in particular to a large-diameter broken core extraction device.
Background
In the processes of pile foundation construction, geological exploration, stone mining and the like, a large-diameter foundation pit needs to be excavated or a large-diameter rock core sample needs to be extracted in a hard rock stratum sometimes, and at the moment, an energy-saving and rapid method is to process annular grooves on the periphery of a rock core in a jacking cutting mode along the depth direction, then cut off the rock core and extract the rock core.
The existing core breaking technology is used for a core with the diameter not larger than 76mm, and the complete core is broken and separated from the bedrock by adopting the modes of drawing, twisting, bending and the like, but the modes require too much power for a complete hard rock pillar with a large diameter and basically have no feasibility.
In the prior art, the improved cylindrical drill bit with a narrow lower part and a wide upper part is matched with a rock holder to realize coring on rocks, and an integrated cooling and dust suction device is arranged, so that the damage of the drill bit on the rock core is reduced to a certain extent, the integrity and the accuracy of coring on weak rocks can be ensured, but the application field is limited, and the integrated cooling and dust suction device is only suitable for the weak rocks with low rock hardness; or the core sampling device such as a combined reamer, a stabilizer and an external reinforcing part can be arranged to realize core cutting, and although the core cutting is realized by using a multi-cutting-element drill bit, the cutting efficiency is low, the cutting power consumption is high and the like in the cutting of large-diameter hard rock.
In summary, the problem to be solved by those skilled in the art is how to provide a large-diameter core breaking and extracting device capable of cutting a large-diameter and hard core.
Disclosure of Invention
In view of the above, the present invention provides a large-diameter broken core extraction device, which can cut a core with a diameter larger than 76mm and a high hardness and extract the broken core after cutting.
In order to achieve the above purpose, the invention provides the following technical scheme:
a large diameter core-breaking extraction device comprising: a hoisting sleeve assembly and a diamond sawing rope assembly;
the diamond sawing rope assembly is provided with a sawing rope for cutting off a core;
the hoisting sleeve assembly comprises a sleeve main body sleeved on the periphery of the core, a fastening mechanism used for grasping or loosening the core and a sawing rope fixing piece used for enabling the sawing rope to pass through, and the fastening mechanism and the sawing rope fixing piece are arranged on the sleeve main body;
the sawing rope fixing part is arranged along the circumferential direction of the sleeve main body, and the opening of the sawing rope fixing part faces the core so that the sawing rope is attached to the core when tightened.
Preferably, the fastening mechanism comprises a fixed cushion block arranged along the circumferential direction of the sleeve main body and a movable wedge block movably arranged relative to a sliding inclined plane of the fixed cushion block;
the fixed cushion block is arranged on the inner wall of the lower portion of the sleeve main body, and the sliding inclined plane of the fixed cushion block is converged downwards and inwards relative to the sleeve main body, so that the movable wedge block is separated from the rock core upwards relative to the fixed cushion block or attached to the rock core downwards.
Preferably, the movable wedge block is provided with a hanging rope for lifting the movable wedge block upwards, and the movable end of the hanging rope extends out of the top of the sleeve main body.
Preferably, the movable wedge block is provided with a tooth groove for increasing friction force on the side surface attached to the core.
Preferably, the sawing rope fixing part is a sawing rope hook, the hook part of the sawing rope hook is an inclined plane inclined upwards and inwards, and the inwards direction is towards the central axis of the sleeve body.
Preferably, the fixed cushion blocks are uniformly arranged along the circumferential direction of the sleeve main body; the sawing rope hooks are uniformly arranged along the circumferential direction of the sleeve body.
Preferably, one of the fixed cushion block or the movable wedge block is provided with a guide limiting groove, and the other one of the fixed cushion block or the movable wedge block is provided with a positioning pin which can move along the length direction of the guide limiting groove.
Preferably, the sleeve body comprises a first sleeve unit and a second sleeve unit, the first sleeve unit and the second sleeve unit are both semi-cylindrical structures, and the first sleeve unit and the second sleeve unit are detachably connected.
Preferably, the diamond sawing rope assembly is provided with a guide wheel for enabling the sawing rope to pass through and a fixing frame for fixing the sawing rope;
the guide wheel and the fixing frame are arranged on the outer periphery of the sleeve main body.
Preferably, the guide wheel comprises an output guide wheel for passing the output end of the sawing cord and a tightening guide wheel for passing the tightening end of the sawing cord;
the fixing frame comprises an output fixing frame for enabling the output end of the sawing rope to penetrate through and a tightening fixing frame for enabling the tightening end of the sawing rope to penetrate through.
The invention provides a large-diameter broken core extraction device, which comprises: a hoisting sleeve assembly and a diamond sawing rope assembly; the diamond sawing rope assembly is provided with a sawing rope for cutting off the core; the hoisting sleeve assembly comprises a sleeve main body sleeved on the periphery of the core, a fastening mechanism used for tightly gripping or loosening the core and a sawing rope fixing piece used for enabling a sawing rope to pass through, wherein the fastening mechanism and the sawing rope fixing piece are arranged on the sleeve main body; the sawing rope fixing part is arranged along the circumferential direction of the sleeve main body, and the opening of the sawing rope fixing part faces the rock core so that the sawing rope can be attached to the rock core when being tightened.
In the using process, firstly, the sawing rope extends out of the diamond sawing rope assembly, penetrates through the sawing rope fixing piece, extends out of the sawing rope fixing piece and enters the diamond sawing rope assembly, then the large-diameter broken core extracting device is integrally placed from top to bottom, the sleeve main body is sleeved on the periphery of the rock core, and the sawing rope is stopped to be placed when the sawing rope fixing piece reaches a proper depth; at the height position, the fastening mechanism is enabled to tightly grasp the rock core and hold the rock core tightly; starting the diamond sawing rope assembly to enable the sawing rope to be tightly attached to the surface of the rock core, tightening the sawing rope, enabling the sawing rope to slide at a high speed, and continuing tightening the sawing rope to enable the sawing rope to start to cut into the rock core until the rock core is completely broken; the fastening mechanism grips the core at all times during the cutting process. After the core is completely broken, the sleeve main body is lifted upwards, the fastening mechanism is in a grasping state, the sleeve main body drives the core to an unloading position, or the bearing platform vehicle or a forklift is moved to the lower portion of the core, the sleeve main body is lowered to enable the core to fall to the ground, the fastening mechanism loosens the core, the sleeve main body is lifted to enable the bottom of the sleeve main body to exceed the top end face of the core, the sleeve main body is removed, unloading can be completed or the sleeve main body is disassembled, and the sleeve main body or the core is translated to complete unloading. And assembling the large-diameter broken core extraction device to prepare for next broken core extraction.
Compared with the prior art, the large-diameter broken core extraction device provided by the invention cuts off the core through the high-speed sliding of the sawing rope in the diamond sawing rope assembly, so that the core with larger hardness and the diameter larger than 76mm can be cut, and the core with smaller hardness and the diameter smaller than 76mm can also be cut, so that the application range of the large-diameter broken core extraction device is increased.
In addition, compared with the prior art, the core can be cut off at one time by adopting a sawing rope cutting mode and fastening through a fastening mechanism, the speed is high, the energy consumption is low, impact vibration is avoided, the section is smooth, the whole equipment does not need power to drive the equipment to rotate and apply drilling pressure downwards in the working process, the core is extracted, and self-locking is realized by friction without additional power clamping; the cutting saw rope can be driven by hydraulic pressure to tighten and slide, can be used in underwater submerged environment, and is very suitable for large-diameter and ultra-large-diameter rock-socketed pile foundations and other special constructions of offshore wind generating sets.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a first embodiment of a large-diameter broken core extraction device according to the present invention;
FIG. 2 is a schematic structural view of a movable wedge and a fixed cushion block of the large-diameter broken core extraction device shown in FIG. 1;
FIG. 3 is a schematic structural view of a guide wheel and a fixing frame of the large-diameter broken core extracting device shown in FIG. 1;
fig. 4 is a top view of the large diameter core-breaking extraction device shown in fig. 1.
In FIGS. 1-4:
1 is the foundation ditch, 2 is diamond saw rope subassembly, 3 is the core, 4 is the saw rope couple, 5 is the leading wheel, 6 is the sleeve main part, 7 is the hole of hanging the rope, 8 is the activity voussoir, 9 is the locating pin, 10 is the direction spacing groove, 11 is the saw rope, 12 is fixed cushion, 13 is the inclined plane that slides, 14 is the sleeve subdivision face, 15 is the mount.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide a large-diameter broken core extraction device which can cut a core with a diameter larger than 76mm and a larger hardness and take out the cut core.
Referring to fig. 1-4, fig. 1 is a schematic structural diagram of a first embodiment of a large-diameter broken core extraction device according to the present invention; FIG. 2 is a schematic structural view of a movable wedge and a fixed cushion block of the large-diameter broken core extraction device shown in FIG. 1; FIG. 3 is a schematic structural view of a guide wheel and a fixing frame of the large-diameter broken core extracting device shown in FIG. 1; fig. 4 is a top view of the large diameter core-breaking extraction device shown in fig. 1.
The major diameter disconnected core extraction element that this embodiment provided includes: a hoisting sleeve component and a diamond saw rope component 2; the diamond sawing wire assembly 2 comprises a sawing wire 11 for severing the core 3; the hoisting sleeve assembly comprises a sleeve main body 6 sleeved on the outer periphery of the core 3, a fastening mechanism for tightly gripping or loosening the core 3 and a sawing rope fixing piece for enabling the sawing rope 11 to penetrate through, wherein the fastening mechanism and the sawing rope fixing piece are arranged on the sleeve main body 6; the sawing cord fixing piece is arranged along the circumferential direction of the sleeve main body 6, and the opening of the sawing cord fixing piece faces the core 3 so that the sawing cord 11 is attached to the core 3 when the sawing cord 11 is tightened.
In the actual use process, firstly, the sawing rope 11 extends out of the diamond sawing rope assembly 2 and penetrates through the sawing rope fixing part, then, the sawing rope extends out of the sawing rope fixing part and enters the diamond sawing rope assembly 2, then, the whole large-diameter core breaking and extracting device is placed from top to bottom, the sleeve main body 6 is sleeved on the periphery of the core 3, and the sawing rope 11 in the sawing rope fixing part stops being placed after reaching a proper depth; at this height position, the fastening mechanism is caused to grip the core 3, hug the core 3, and fix the sleeve body 6 relative to the core 3; starting the diamond sawing rope assembly 2, tightening the sawing rope 11, enabling the sawing rope 11 to cling to the surface of the core 3, enabling the sawing rope 11 to slide at a high speed, continuing tightening the sawing rope 11, and enabling the sawing rope 11 to start to cut into the core 3 until the core 3 is completely broken; the fastening mechanism grips the core 3 at all times during the cutting process. Lifting the sleeve main body 6 upwards after the core 3 is completely broken, moving the sleeve main body 6 to a discharging position when the fastening mechanism is continuously in a grasping state, or moving a bearing platform truck or a forklift below the core 3, lowering the sleeve main body 6 to enable the core 3 to fall to the ground, enabling the fastening mechanism to loosen the core 3, lifting the sleeve main body 6 to enable the bottom of the sleeve main body 6 to exceed the top end face of the core 3, and removing the sleeve main body 6 to finish discharging; or the sleeve body 6 is disassembled, and the sleeve body 6 or the core 3 is translated to finish unloading. And assembling the large-diameter broken core extraction device to prepare for next broken core extraction.
It should be noted that, in the process of putting the sleeve main body 6 into the sleeve from top to bottom, the saw wire 11 needs to be synchronously paid out; after the sleeve body 6 reaches a predetermined depth, the sleeve body 6 is lifted upwardly at a slow speed until the fastening mechanism hugs the core 3.
It should be noted that the diamond saw wire assembly 2 includes a saw wire 11, a tightening mechanism for tightening the saw wire 11, and a driving flywheel for making the saw wire 11 run at a high speed, and preferably, the rotation speed of the driving flywheel can be adjusted according to actual conditions.
The sleeve body 6 can be an integrated structure or a split structure, and is determined according to actual conditions, which is not described herein.
The fastening mechanism can be a mechanical structure which is controlled by a switch to realize the grasping or releasing of the core 3, and can also realize the grasping or releasing of the core 3 by the mechanical structure through gravity, friction and the like; preferably, the fastening means is provided on the inner side wall of the lower end of the sleeve body 6.
Preferably, the diamond sawing wire assembly 2 is arranged at the upper part of the hoisting sleeve assembly, and the sawing wire 11 is arranged at the outer side of the sleeve main body 6, and in the actual construction process, the core 3 is generally processed in the form of a processing annular groove in the foundation pit 1, so that the thickness of the sleeve main body 6 and the diameter of the sawing wire 11 should be smaller than the width of the annular groove.
In addition, the saw wire fixing member in this embodiment is disposed along the circumferential direction of the sleeve body 6, and means that the opening of the saw wire fixing member is located at the lower portion of the sleeve body 6, so that the saw wire 11 can smoothly slide out to the position attached to the core 3 when being tightened.
Compared with the prior art, the large-diameter broken core extraction device provided by the invention cuts the core 3 through the high-speed sliding of the sawing rope 11 in the diamond sawing rope assembly 2, so that the core 3 with larger hardness and the diameter larger than 76mm can be cut, and the core 3 with smaller hardness and the diameter smaller than 76mm can also be cut, so that the application range of the large-diameter broken core extraction device is increased.
In addition, compared with the prior art, the cutting of the sawing rope 11 and the fastening by the fastening mechanism can shorten the time for breaking the core 3 and improve the production efficiency; and through the cutting position of control tight saw rope 11, can form smooth 3 sections of core, can be applied to special construction fields such as environment under water.
It should be further explained that, when the height of the core 3 to be cut off is not very high, the core 3 to be cut off can be completely processed when the annular groove is processed, the sleeve body 6 is lowered to a proper cutting depth at one time, and the cutting is completed at one time; however, when the height of the core 3 to be cut off is high, the annular groove can be processed for multiple times, and the core 3 can be taken out for multiple times by using the large-diameter core-breaking extraction device for multiple times.
On the basis of the above embodiment, the structure of the fastening mechanism may be further defined such that the fastening mechanism includes a fixed block 12 disposed along the circumferential direction of the sleeve main body 6, and a movable wedge 8 movably disposed with respect to a sliding slope 13 of the fixed block 12; the fixed cushion block 12 is arranged on the inner wall of the lower part of the sleeve main body 6, and the sliding inclined surface 13 of the fixed cushion block 12 converges downwards and inwards relative to the sleeve main body 6, so that the movable wedge block 8 is separated from the core 3 upwards or attached to the core 3 downwards relative to the fixed cushion block 12.
Preferably, the fixed cushion block 12 is a wedge-shaped block with a right-angle side, and one right-angle side of the fixed cushion block 12 is attached to the inner side wall of the lower part of the sleeve main body 6; the movable wedge 8 is preferably a wedge with a right-angle edge, and one right-angle edge of the movable wedge 8 is attached to the outer wall of the core 3.
The downward inward convergence of the sliding inclined plane 13 of the fixed cushion block 12 relative to the sleeve main body 6 means that the distance from the lower part of the sliding inclined plane 13 of the fixed cushion block 12 to the central axis of the core 3 is smaller than the distance from the upper part of the sliding inclined plane 13 of the fixed cushion block 12 to the central axis of the core 3; the inclined plane of the movable wedge block 8 is attached to the sliding inclined plane 13 of the fixed cushion block 12; the distance of the lower part of the inclined surface of the movable wedge 8 from the central axis of the core 3 is thus smaller than the distance of the upper part of the inclined surface of the movable wedge 8 from the central axis of the core 3.
In the using process, when the sleeve main body 6 is put in from top to bottom, the movable wedge 8 moves upwards relative to the sleeve main body 6 under the action of pushing and friction force of the core 3, so that the movable wedge 8 cannot grasp the core 3, and the sleeve main body 6 is smoothly put down; after the sleeve main body 6 reaches the set depth, the movable wedge 8 slides downwards and inwards relative to the sleeve main body 6 under the action of self gravity, so that the friction surface of the movable wedge 8 is attached to the rock core 3, and in the process of lifting the sleeve main body 6 upwards, the movable wedge 8 continues to slide downwards and inwards under the action of friction force to hold the rock core 3 tightly, so that the sleeve main body 6 and the rock core 3 are relatively fixed in the height direction of the rock core 3.
It should be noted that, in the process of cutting the core 3 by the sawing rope 11, the sleeve body 6 needs to be always in the state of being lifted upwards, so that the movable wedge 8 can grasp the core 3, on one hand, the whole machine and the core 3 are kept in a relatively fixed state, the offset and dislocation of the sawing seam are avoided, on the other hand, the cut core 3 can be prevented from falling to block the normal work of the sawing rope 11, and meanwhile, when the strength of the section which is not sawed is not enough to resist the lifting tension, the core 3 is enabled to be rapidly broken, and the construction efficiency is improved.
Preferably, the fixed cushion blocks 12 are uniformly arranged along the inner side wall of the lower part of the sleeve main body 6, and the shapes and the sizes of all the fixed cushion blocks 12 are the same; the corresponding movable wedges 8 are also uniformly arranged along the circumferential direction of the sleeve main body 6, and the shape and the size of all the movable wedges 8 are the same; it should be noted that the number of the fixed cushion blocks 12 and the number of the movable wedge blocks 8 are at least two, and the specific number needs to be determined according to the actual situation, which is not described herein again.
On the basis of the above embodiment, in order to facilitate the control of the upward movement of the movable wedge 8 for releasing the core 3 for unloading, a hanging rope for lifting the movable wedge 8 upward may be provided, the movable end of the hanging rope extending out of the top of the sleeve body 6.
Preferably, the movable wedge 8 may be provided with a hanging rope hole 7 for a hanging rope to pass through, and the hanging rope hole 7 may be a cylindrical through hole or a square through hole provided in the movable wedge 8, or a through hole of other shape, which is determined according to actual conditions and is not described herein again.
In order to increase the friction force between the movable wedge 8 and the core 3, a tooth groove for increasing the friction force may be provided at the side where the movable wedge 8 is attached to the core 3.
Preferably, the surface of the movable wedge 8, which is attached to the core 3, is an arc surface matched with the core 3.
The tooth grooves can be diamond-shaped lines or mutually parallel linear tooth grooves, and only the friction force between the movable wedge blocks 8 and the rock core 3 can be increased.
In addition to the above embodiments, in order to make the sawing cord 11 smoothly slide out from the sawing cord fixing element to the outer wall surface of the core 3, the sawing cord fixing element may be a sawing cord hook 4, and the hook portion of the sawing cord hook 4 is an inclined surface inclined upward and inward, which is a direction toward the central axis of the sleeve main body 6.
Preferably, the sawing rope hook 4 is of a hook-shaped structure with a smooth surface, as shown in fig. 2, the sawing rope hook 4 is arranged along the circumferential direction of the sleeve main body 6, and the bottom of the sawing rope hook 4 is an inclined plane inclined upwards and inwards, so that when the sawing rope 11 is tightened, the sawing rope 11 can smoothly slide out from the sawing rope hook 4 to a position attached to the outer wall of the rock core 3.
Preferably, the saw wire hooks 4 are arranged at the same height, and the saw wire hooks 4 are uniformly arranged along the circumferential direction of the sleeve main body 6.
In addition to the above-described embodiment, in order to limit the sliding distance of the movable wedge 8 relative to the fixed pad 12 along the sliding slope 13, a guide limit groove 10 may be provided in one of the fixed pad 12 and the movable wedge 8, and a positioning pin 9 that is movable in the longitudinal direction of the guide limit groove 10 may be provided in the other.
As shown in fig. 2, preferably, the guide limiting groove 10 is an oblong hole, the fixed cushion block 12 and the movable wedge block 8 are movably connected with the positioning pin 9 through the oblong hole, the length direction of the oblong hole is parallel to the sliding inclined surface 13 of the fixed cushion block 12, and the sliding distance of the movable wedge block 8 relative to the fixed cushion block 12 is the length dimension of the oblong hole.
Of course, the movable wedge 8 and the fixed cushion block 12 may also be connected by a guide rail slider or other connection methods, which is determined according to the actual situation and will not be described herein.
Preferably, the slotted holes include a first slotted hole and a second slotted hole which are arranged on two sides of the fixed cushion block 12 in the width direction, and the movable wedge 8 includes a first positioning pin matched with the first slotted hole and a second positioning pin matched with the second slotted hole.
On the basis of the above embodiment, in order to facilitate the detachment of the sleeve main body 6, the sleeve main body 6 may include a first sleeve unit and a second sleeve unit, and the first sleeve unit and the second sleeve unit are both of a semi-cylindrical structure, and the first sleeve unit and the second sleeve unit are detachably connected.
It should be noted that, the semi-cylindrical structure mentioned in this embodiment refers to a partial structure when the cylinder is divided into at least two parts along the height direction of the cylinder, specifically, the partial structure may be exactly a semi-cylindrical structure of 180 °, or a partial cylindrical structure of less than 180 ° or more than 180 °, which is determined according to actual conditions.
In use, after the severed core 3 is removed, the first and second sleeve units may be directly separated to complete the disassembly of the core 3.
Preferably, one side of the first sleeve unit is rotatably connected with one side of the second sleeve unit through a rotating shaft, and the other side of the first sleeve unit is clamped with the other side of the second sleeve unit through a clamping part, and of course, other detachable connection modes meeting the requirements can be adopted, for example: threaded connection, hinge opening and closing connection and the like, which are determined according to actual conditions and are not described in detail herein.
Of course, the sleeve body 6 may also be provided as a split structure including at least three sleeve units, which is determined according to actual conditions.
As shown in fig. 3, the sleeve split surface 14 is a contact surface between the first sleeve unit and the second sleeve unit.
On the basis of the above-mentioned embodiment, since the space of the annular groove is limited, it is necessary to arrange the components outside the annular groove as much as possible, and the diamond saw wire assembly 2 may be provided with the guide wheel 5 for passing the saw wire 11 and the fixing frame 15 for fixing the saw wire 11, and the guide wheel 5 and the fixing frame 15 are arranged on the outer circumferential portion of the sleeve body 6.
Preferably, in the case that the foundation pit 1 is small in size, the diamond saw wire assembly 2 may be installed on the ground except for the wire takeup mechanism and the driving flywheel.
And, the guide wheel 5 includes an output guide wheel for passing the output end of the sawing cord 11 and a tightening guide wheel for passing the tightening end of the sawing cord 11; the holder 15 comprises an output holder for passing the output end of the sawing cord 11 and a tightening holder for passing the tightening end of the sawing cord 11.
As shown in fig. 3, the output guide wheel 5 comprises an output upper guide wheel and an output lower guide wheel, the guide wheel 5 comprises an upper guide wheel and a lower guide wheel, the saw rope 11 sequentially passes through the upper guide wheel, the output fixing frame and the lower guide wheel after being extended out from the output end of the diamond saw rope assembly 2, and then sequentially passes through all the saw rope hooks 4, and after being extended out from the saw rope hooks 4, the saw rope sequentially passes through the lower guide wheel, the fixing frame and the upper guide wheel, and then penetrates through the diamond saw rope assembly 2.
The diamond saw rope component 2 is internally provided with a tightening mechanism for tightening the saw rope 11 and a driving flywheel for enabling the saw rope 11 to slide at a high speed, when the saw rope 11 needs to be tightened, the tightening mechanism rotates to tighten the saw rope 11, and when the rock core 3 needs to be cut, the driving flywheel rotates to enable the saw rope 11 to slide at a high speed.
As shown in fig. 3, the fixing frame 15 is a cylindrical structure for passing the sawing cord 11 therethrough, and the fixing frame 15 is vertically provided on the outer peripheral portion of the socket main body 6.
It should be further noted that, in the present document, the first and second sleeve units, the first and second positioning pins, and the first and second oblong holes are only mentioned for distinguishing the different positions, and are not sequentially distinguished.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. Any combination of all embodiments provided by the present invention is within the scope of the present invention, and will not be described herein.
The major diameter broken core extraction device provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (8)
1. A major diameter disconnected core extraction element which characterized in that includes: a hoisting sleeve component and a diamond saw rope component (2);
the diamond sawing rope assembly (2) is provided with a sawing rope (11) for cutting off the rock core (3);
the hoisting sleeve assembly comprises a sleeve main body (6) sleeved on the periphery of the rock core (3), a fastening mechanism used for grasping or loosening the rock core (3) and a sawing rope fixing piece used for enabling the sawing rope (11) to penetrate through, wherein the fastening mechanism and the sawing rope fixing piece are arranged on the sleeve main body (6);
the sawing rope fixing piece is arranged along the circumferential direction of the sleeve main body (6), and an opening of the sawing rope fixing piece faces the rock core (3) so that the sawing rope (11) is attached to the rock core (3) when being tightened;
the fastening mechanism comprises a fixed cushion block (12) arranged along the circumferential direction of the sleeve main body (6) and a movable wedge block (8) movably arranged relative to a sliding inclined plane (13) of the fixed cushion block (12);
the fixed cushion block (12) is arranged on the inner wall of the lower part of the sleeve main body (6), and a sliding inclined surface (13) of the fixed cushion block (12) converges downwards and inwards relative to the sleeve main body (6), so that the movable wedge block (8) is separated from the rock core (3) upwards or attached to the rock core (3) downwards relative to the fixed cushion block (12);
one of the fixed cushion block (12) or the movable wedge block (8) is provided with a guide limiting groove (10), and the other one is provided with a positioning pin (9) which can move along the length direction of the guide limiting groove (10).
2. A large-diameter broken core extraction device according to claim 1, wherein the movable wedge (8) is provided with a hanging rope for lifting it upwards, the movable end of the hanging rope protruding out of the top of the sleeve body (6).
3. The large-diameter broken core extraction device according to claim 2, wherein the side of the movable wedge (8) attached to the core (3) is provided with a tooth groove for increasing friction.
4. The large-diameter broken core extraction device according to claim 1, wherein the sawing rope fixing part is a sawing rope hook (4), and the hook part of the sawing rope hook (4) is an inclined surface inclined upwards and inwards, and the inwards direction is towards the central axis of the sleeve main body (6).
5. The large-diameter broken core extraction device according to claim 4, wherein the fixed cushion blocks (12) are uniformly arranged along the circumferential direction of the sleeve main body (6); the sawing rope hooks (4) are uniformly arranged along the circumferential direction of the sleeve body (6).
6. The large-diameter broken core extraction device according to any one of claims 1 to 5, wherein the sleeve main body (6) comprises a first sleeve unit and a second sleeve unit, and the first sleeve unit and the second sleeve unit are both semi-cylindrical structures, and the first sleeve unit and the second sleeve unit are detachably connected.
7. The large-diameter broken core extraction device according to claim 6, wherein the diamond sawing wire assembly (2) is provided with a guide wheel (5) for passing the sawing wire (11) and a fixing frame (15) for fixing the sawing wire (11);
the guide wheel (5) and the fixing frame (15) are arranged on the outer periphery of the sleeve main body (6).
8. The large-diameter broken core extraction device according to claim 7, wherein the guide wheel (5) comprises an output guide wheel for passing an output end of the sawing cord (11) and a tightening guide wheel for passing a tightening end of the sawing cord (11);
the fixing frame (15) comprises an output fixing frame for enabling the output end of the sawing rope (11) to penetrate through and a tightening fixing frame for enabling the tightening end of the sawing rope (11) to penetrate through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910555000.0A CN110242235B (en) | 2019-06-25 | 2019-06-25 | Major diameter broken core extraction element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910555000.0A CN110242235B (en) | 2019-06-25 | 2019-06-25 | Major diameter broken core extraction element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110242235A CN110242235A (en) | 2019-09-17 |
| CN110242235B true CN110242235B (en) | 2021-08-27 |
Family
ID=67889349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910555000.0A Active CN110242235B (en) | 2019-06-25 | 2019-06-25 | Major diameter broken core extraction element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110242235B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082852B (en) * | 2020-11-13 | 2021-02-02 | 中南大学 | Unsaturated triaxial apparatus |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1288301A1 (en) * | 1985-09-18 | 1987-02-07 | Московский Геологоразведочный Институт Им.Серго Орджоникидзе | Core drill for drilling large-diameter holes |
| CN202689985U (en) * | 2012-08-15 | 2013-01-23 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Suspension device for salvage gear of inner cylinder of wire line coring tool |
| CN105952406A (en) * | 2016-05-12 | 2016-09-21 | 李聚宝 | Rock bottom cutting coring bit |
| CN205823218U (en) * | 2016-07-25 | 2016-12-21 | 中国石油化工股份有限公司 | Sucker rod socket |
| CN106245626A (en) * | 2016-08-15 | 2016-12-21 | 中建三局基础设施工程有限公司 | A kind of hard formation churning driven enters method |
| CN106761512A (en) * | 2016-12-28 | 2017-05-31 | 深圳市盛业地下工程有限公司 | Rock core cutter sweep and construction method |
| CN208343177U (en) * | 2018-05-28 | 2019-01-08 | 江苏润生光伏科技有限公司 | A kind of composite material-electroformed diamond wire saw |
-
2019
- 2019-06-25 CN CN201910555000.0A patent/CN110242235B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1288301A1 (en) * | 1985-09-18 | 1987-02-07 | Московский Геологоразведочный Институт Им.Серго Орджоникидзе | Core drill for drilling large-diameter holes |
| CN202689985U (en) * | 2012-08-15 | 2013-01-23 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Suspension device for salvage gear of inner cylinder of wire line coring tool |
| CN105952406A (en) * | 2016-05-12 | 2016-09-21 | 李聚宝 | Rock bottom cutting coring bit |
| CN205823218U (en) * | 2016-07-25 | 2016-12-21 | 中国石油化工股份有限公司 | Sucker rod socket |
| CN106245626A (en) * | 2016-08-15 | 2016-12-21 | 中建三局基础设施工程有限公司 | A kind of hard formation churning driven enters method |
| CN106761512A (en) * | 2016-12-28 | 2017-05-31 | 深圳市盛业地下工程有限公司 | Rock core cutter sweep and construction method |
| CN208343177U (en) * | 2018-05-28 | 2019-01-08 | 江苏润生光伏科技有限公司 | A kind of composite material-electroformed diamond wire saw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110242235A (en) | 2019-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101484303B1 (en) | Underwater drilling arrangement and method for introducing a tubular foundation element into the bed of a body of water | |
| CN1749526A (en) | Drilling rig with a tool cartridge | |
| CN109056688B (en) | Underwater continuous penetration static sounding device | |
| CN201952802U (en) | Pile hole cleaning tool for concrete tubular pile | |
| CN210217672U (en) | Core breaking and coring device while drilling | |
| CN112240159B (en) | Prefabricated pipe pile implanting device and pile implanting construction method | |
| CN104863525A (en) | Deep-hole spiral pile hammer | |
| CN110242235B (en) | Major diameter broken core extraction element | |
| CN210798826U (en) | Mineral product geological survey device | |
| CN110552613A (en) | rock drilling device for mining | |
| CN115162942A (en) | Rotary drilling rig drill rod component and rotary drilling rig | |
| US20220316169A1 (en) | Pile Head Girdling Device | |
| US5931235A (en) | Cutter head, boring jig and device and process for sea bottom boring | |
| CN110258696B (en) | Building wall ditch digs device | |
| JP2018003318A (en) | Cutter of concrete member and dismantling method of concrete member | |
| CN106761512B (en) | Core cutting device and construction method | |
| CN112064641A (en) | Method for breaking pile head of cast-in-place pile | |
| CN215854652U (en) | Machining and hoisting equipment for power head of rotary drilling rig | |
| JPS6135356B2 (en) | ||
| CN107965287A (en) | A kind of drilling tool spear-head clamping device and method | |
| CN212958494U (en) | Core drilling machine for pile head breaking of cast-in-place pile | |
| JP6192085B1 (en) | Pile driver and pile driving method | |
| CN203412536U (en) | Deep-hole rock core covering-taking device | |
| RU95617U1 (en) | EQUIPMENT FOR DRILLING THE LEADING WELLS FOR AVF UNITS AND MS MACHINES | |
| CN110467123B (en) | Drilling machine winch guide device and using method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |