CN210829096U

CN210829096U - Drilling rig for geotechnical engineering investigation

Info

Publication number: CN210829096U
Application number: CN201921242678.5U
Authority: CN
Inventors: 朱斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-06-23
Anticipated expiration: 2029-08-02

Abstract

The utility model relates to the technical field of geotechnical engineering, in particular to a drilling device for geotechnical engineering investigation; the utility model drives the connecting rod, the supporting leg and the movable supporting rod to be linked simultaneously by the up-and-down movement of the handle, thereby achieving the effect of simultaneously adjusting the extension and retraction of the supporting leg, being simple and rapid to operate and reducing the adjusting time; the drill rod is connected with the drill bit through threads, so that the drill rod is convenient to disassemble and replace; other parts are also connected by threads and pin rods, so that the disassembly and assembly are convenient and the carrying is convenient; the pressing plate is manually driven to move up and down, so that the drill rod moves up and down, the drill rod is driven to rotate by the rotation of the motor, and the drill bit is driven to move up and down and rotate by the up-and-down movement and rotation of the drill rod; the outer wall of the drill rod is provided with scale marks, so that the corresponding readable number can be read through the up-and-down movement position of the drill rod, and the downward movement distance of the drill bit can be conveniently controlled.

Description

Drilling rig for geotechnical engineering investigation

Technical Field

The utility model relates to a geotechnical engineering technical field, concretely relates to probing device is used in geotechnical engineering reconnaissance.

Background

At present, drilling is one of main means in geotechnical engineering investigation, and drilling equipment used in the existing geotechnical engineering investigation is complex in structure, large in size and inconvenient to carry, and is not suitable for small-scale geotechnical engineering investigation work.

The Chinese patent with the retrieval bulletin number of CN206693914U discloses a drilling device for geotechnical engineering investigation, which comprises a spiral guide sleeve, a drill bit, three cross beams, three connecting sleeves, three supporting legs and a plurality of drill rods, wherein the three cross beams are uniformly distributed along the circumferential direction of the spiral guide sleeve, the inner end of each cross beam is connected with the outer wall of the spiral guide sleeve, the outer end of each cross beam is connected with one connecting sleeve, the three supporting legs are uniformly distributed along the circumferential direction of the spiral guide sleeve, the upper end of each supporting leg is respectively inserted into one corresponding connecting sleeve, the lower end of each drill rod penetrates through the spiral guide sleeve to be connected with the drill bit, and the outer wall of each drill rod is connected with the inner wall of the spiral guide sleeve.

The Chinese patent with the retrieval publication number of CN208996661U discloses a drilling device for geotechnical engineering investigation, which comprises a bracket and a drill bit, wherein the bracket comprises a horizontally arranged beam, a vertically arranged sleeve and a guide pipe, a connecting rod is connected in the guide pipe through threads, and one end of the connecting rod facing the ground is connected with the drill bit; crossbeam one end and stand pipe lateral wall fixed connection, the other end vertical fixation have the sleeve, and the landing leg is equipped with to the sleeve endotheca, and the one end lateral wall that the sleeve was located to the landing leg cover is fixed and is provided with the connecting seat, and the sleeve lateral wall is provided with the through-hole that supplies the connecting seat to slide along its length direction, and the through-hole all is provided with the stationary blade along the both ends of vertical direction, is connected through the mounting between stationary blade and the connecting seat.

The above patents suffer from the following disadvantages: the supporting leg position need be adjusted one by one, when the operation is inconvenient, the drill bit wearing and tearing or change drill bit kind, need dismantle whole device after change, the inconvenient measurement of drill bit depth of penetration, inconvenient control, the condition that exists the influence reconnaissance result.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned shortcoming that prior art exists, the utility model provides a make things convenient for the dismouting to carry, the supporting leg can be adjusted simultaneously, and the drill bit is changed simple and conveniently, bores the probing device that the degree of depth can read control.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a drilling device for geotechnical engineering investigation comprises a drill rod, a drill bit, a guide sleeve, a fixed pipe, a fixed ring, a supporting leg, a motor, a pressing plate, an upright post, a sliding rod, a spring, a movable supporting rod, a connecting rod, a movable lantern ring and a movable supporting lug; the lower end of the drill rod is connected with a detachable drill bit in a threaded manner, the upper end of the drill rod is connected with a motor fixing plate, and a motor is fixed at the top of the motor fixing plate and connected with the motor fixing plate through a first screw; the outer part of the drill rod is sleeved with a guide sleeve, and the outer wall of the drill rod is provided with scale marks; three transverse fixing pipes are uniformly distributed on the outer side of the guide sleeve in the circumferential direction, a fixing ring is arranged on the outer side of the guide sleeve, and the fixing pipes penetrate through the fixing ring; the upper end of the fixing ring is symmetrically screwed with two sliding rods, each sliding rod is sleeved with a spring, the upper end of each spring is propped against the lower surface of the pressing plate, and the lower end of each spring is propped against the upper surface of the fixing ring; the pressing plate is arranged above the motor, the upper end of the sliding rod penetrates through the pressing plate, an upright post is fixed on the bottom surface of the pressing plate, and the lower end of the upright post is connected with the top of the motor; the outer end of the fixed pipe is sleeved with a movable support rod and fixed through a second screw, and the outer end of the movable support rod is screwed with a vertical support leg;

the top ends of the supporting legs are rotatably connected with the lower ends of the connecting rods through pin rods; the periphery of the motor is provided with a movable lantern ring, the inner diameter of the movable lantern ring is larger than the outer diameter of the motor, three movable lugs are uniformly arranged at the bottom of the movable lantern ring in the circumferential direction, and the upper end of the connecting rod is rotatably connected with the corresponding movable lugs through a pin rod; the outer ring of the movable lantern ring is symmetrically connected with two handles.

Furthermore, the lower end of the supporting leg is provided with a sharp end, and the upper part of the sharp end is connected with a limiting edge.

Furthermore, a square groove is formed in the top end of the supporting leg, and the lower end of the connecting rod is clamped into the square groove and is rotatably connected through a pin rod.

Furthermore, the upper end of the connecting rod is provided with a U-shaped clamping plate, and the movable support lug is clamped in a groove of the U-shaped clamping plate and is rotatably connected through a pin rod.

Furthermore, the inner end of the movable supporting rod is inserted from the outer end of the fixed pipe, a flat groove is formed in the outer side of the inner end of the movable supporting rod, and the second screw penetrates through the fixed pipe and is pressed on the flat groove.

Furthermore, solid fixed ring circumference evenly sets up three round hole, and fixed pipe passes the round hole, and fixed intraductal outside is equipped with the screw thread, and the direction cover is equipped with corresponding screw hole.

Furthermore, round holes corresponding to the positions of the slide rods are formed in the two ends of the pressing plate, and the slide rods penetrate through the round holes.

Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:

1. through reciprocating of handle, drive connecting rod, supporting leg, remove branch and link simultaneously to reach the effect that three supporting leg was flexible simultaneously and was adjusted, adjust the back that finishes, pass fixed pipe with No. two screws and compress tightly at the inner plain groove fixed supporting leg of removal branch, easy operation is swift, reduces the adjust time.

2. The drill rod is in threaded connection with the drill bit, the outer part of the upper end of the drill bit is provided with threads, the lower end of the drill rod is provided with corresponding threads, only the drill bit needs to be disassembled in a spiral mode when the drill bit is replaced, and the replacement operation of the drill bit is simple and convenient; other parts are also connected by threads and pin rods, so that the disassembly and assembly are convenient and the carrying is convenient.

3. The pressing plate is manually driven to move up and down, so that the drill rod moves up and down, the rotation of the motor drives the drill rod to rotate, and the drill bit is driven to move up and down and rotate through the up-and-down movement and the rotation of the drill rod; the outer wall of the drill rod is provided with scale marks, so that the corresponding scale number can be read through the up-down moving position of the drill rod, and the downward moving distance can be conveniently controlled.

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 some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic view of the overall structure of the utility model;

fig. 2 is a schematic view of the overall structure of the present invention viewed from the bottom;

fig. 3 is a schematic view of the enlarged structure of the part C in fig. 2 according to the present invention;

fig. 4 is a schematic front view of the structure of the present invention;

FIG. 5 is a schematic sectional view of the A-A direction of the present invention;

FIG. 6 is a schematic sectional view of the cross-sectional view of the present invention along the line B-B;

the reference numerals in the drawings denote: 1-a guide sleeve; 2-fixing the ring; 201-fixed tube; 202-screw number two; 3-moving the collar; 301-moving the lugs; 302-a handle; 4-supporting legs; 401-a position-limiting edge; 402-moving the strut; 5, a motor; 501-motor fixing plate; 502-screw number one; 6-connecting rod; 7-a drill rod; 8-a drill bit; 9-upright post; 901-pressing plate; 902-a slide bar; 903-spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Examples

With reference to fig. 1 to 6, a drilling device for geotechnical engineering investigation comprises a drill rod 7, a drill bit 8, a guide sleeve 1, a fixed pipe 201, a fixed ring 2, a support leg 4, a motor 5, a pressing plate 901, an upright post 9, a slide rod 902, a spring 903, a movable support rod 402, a connecting rod 6, a movable sleeve ring 3 and a movable support lug 301;

the lower end of the drill rod 7 is connected with a detachable drill bit 8 in a threaded manner, the upper end of the drill rod 7 is connected with a motor fixing plate 501, a motor 5 is fixed at the top of the motor fixing plate 501 and connected through a screw 502, the motor 5 is externally connected with a power supply (not shown in the figure), the outer part of the drill rod 7 is sleeved with a guide sleeve 1, and the outer wall of the drill rod 7 is provided with scale marks;

three transverse fixing pipes 201 are uniformly distributed on the outer side of the guide sleeve 1 in the circumferential direction, a fixing ring 2 is arranged on the outer side of the guide sleeve 1, the fixing pipes 201 penetrate through the fixing ring 2, specifically, three round holes are uniformly formed in the circumferential direction of the fixing ring 2, the fixing pipes 201 penetrate through the round holes, threads are arranged on the outer portion of the inner end of each fixing pipe 201, and the guide sleeve 1 is provided with corresponding threaded holes;

the upper end of the fixed ring 2 is symmetrically screwed with two sliding rods 902, the sliding rods 902 are respectively sleeved with a spring 903, the upper end of the spring 903 is propped against the lower surface of the pressing plate 901, and the lower end of the spring 903 is propped against the upper surface of the fixed ring 2; the pressing plate 901 is arranged above the motor 5, the pressing plate 901 penetrates through the upper end of the sliding rod 902, specifically, a circular hole corresponding to the position of the sliding rod 902 is arranged on the pressing plate 901, and the sliding rod 902 penetrates through the circular hole; the lower end of the pressing plate 901 is fixed with an upright post 9, and the lower end of the upright post 9 is connected with the top of the motor 5;

the outer end of the fixed tube 201 is sleeved with a movable support rod 402 and fixed 202 through a second screw, and specifically, the inner end of the movable support rod 402 is inserted into the fixed tube 201 from the outer end of the fixed tube 201; a flat groove is formed at the inner end of the movable support rod 402, and the second screw 202 penetrates through the fixed pipe 201 and is pressed on the flat groove; the outer end of the movable support rod 402 is screwed with a vertical support leg 4, specifically, the lower end of the support leg 4 is provided with a sharp end, and the upper part of the sharp end is connected with a limit edge 401;

the top end of the supporting leg 4 is rotatably connected with the lower end of the connecting rod 6 through a pin rod, specifically, a square groove is formed in the top end of the supporting leg 4, and the lower end of the connecting rod 6 is clamped into the square groove and is rotatably connected through the pin rod; the periphery of the motor 5 is provided with a movable lantern ring 3, the inner diameter of the movable lantern ring 3 is larger than the outer diameter of the motor 5, so that the motor 5 is ensured not to interfere with the movable lantern ring 3 when moving up and down, and the bottom of the movable lantern ring 3 is uniformly provided with three movable lugs 301 in the circumferential direction; the upper end of the connecting rod 6 is rotatably connected with the corresponding movable lug 301 through a pin rod, specifically, a U-shaped clamping plate is arranged at the upper end of the connecting rod 6, and the movable lug 301 is arranged in a groove of the U-shaped clamping plate and is rotatably connected through the pin rod; two handles 302 are symmetrically welded on the outer circle of the movable lantern ring 3.

Before the utility model is used, the supporting range of the supporting legs 4 needs to be adjusted, and the movable support lug 301, the connecting rod 6, the supporting legs 4 and the movable support rod 402 are driven to be linked simultaneously by manually moving the handle 302 up and down; when the handle 302 moves upwards, the three support legs 4 are driven to move inwards at the same time, and the support range is reduced; when the handle 302 moves downwards, the three support legs 4 are driven to move outwards at the same time, and the support range is expanded; after the position of the support leg 4 is adjusted, the second screw 202 penetrates through the fixed cylinder 201 and is pressed on the flat groove of the movable support rod 402.

When the device is used, after the supporting position of the supporting leg 4 is adjusted and fixed, the sharp end is inserted into the ground, the three feet realize stable supporting and fixing, then the pressing plate 901 is driven to move up and down manually, the drill rod 7 is driven to move up and down, the rotation of the motor 5 drives the drill rod 7 to rotate, and the drill bit 8 is driven to move up and down and rotate by the up and down movement and rotation of the drill rod 7; the distance of the downward movement of the drill bit 8 is observed and controlled through the scale marks on the outer wall of the drill rod 7.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A drilling device for geotechnical engineering investigation comprises a drill rod (7), a drill bit (8), a guide sleeve (1), a fixed pipe (201), a fixed ring (2), a support leg (4), a motor (5), a pressing plate (901), an upright post (9), a slide rod (902), a spring (903), a movable support rod (402), a connecting rod (6), a movable lantern ring (3) and a movable support lug (301);

the drill rod is characterized in that the lower end of the drill rod (7) is connected with a detachable drill bit (8) in a threaded manner, the upper end of the drill rod (7) is connected with a motor fixing plate (501), and a motor (5) is fixed on the top of the motor fixing plate (501) and connected with the motor fixing plate through a first screw (502); the guide sleeve (1) is sleeved outside the drill rod (7), and scale marks are drawn on the outer wall of the drill rod (7); three transverse fixing pipes (201) are uniformly distributed on the outer side of the guide sleeve (1) in the circumferential direction, a fixing ring (2) is arranged on the outer side of the guide sleeve (1), and the fixing pipes (201) penetrate through the fixing ring (2); the upper end of the fixing ring (2) is symmetrically screwed with two sliding rods (902), the sliding rods (902) are respectively sleeved with a spring (903), the upper end of the spring (903) is propped against the lower surface of the pressing plate (901), and the lower end of the spring (903) is propped against the upper surface of the fixing ring (2); the pressing plate (901) is arranged above the motor (5), the upper end of the sliding rod (902) penetrates through the pressing plate (901), an upright post (9) is fixed on the bottom surface of the pressing plate (901), and the lower end of the upright post (9) is connected with the top of the motor (5); the outer end of the fixed pipe (201) is sleeved with a movable supporting rod (402) and fixed through a second screw (202), and the outer end of the movable supporting rod (402) is screwed with a vertical supporting leg (4); the top ends of the supporting legs (4) are rotatably connected with the lower ends of the connecting rods (6) through pin rods; the periphery of the motor (5) is provided with a movable lantern ring (3), the inner diameter of the movable lantern ring (3) is larger than the outer diameter of the motor (5), three movable lugs (301) are uniformly arranged at the bottom of the movable lantern ring (3) in the circumferential direction, and the upper end of the connecting rod (6) is rotatably connected with the corresponding movable lugs (301) through pin rods; the outer ring of the movable lantern ring (3) is symmetrically connected with two handles (302).

2. A drilling rig for geotechnical investigation according to claim 1, characterized in that the upper end of the connecting rod (6) is provided with a U-shaped clamping plate, and the movable lugs (301) are rotatably connected through pins in the grooves of the U-shaped clamping plate.

3. The drilling rig for geotechnical engineering investigation of claim 1, characterized in that, the top end of the supporting leg (4) is provided with a square groove, and the lower end of the connecting rod (6) is clamped into the square groove and is rotatably connected through a pin.

4. A drilling device for geotechnical engineering investigation according to claim 1, characterized in that the lower end of the supporting leg (4) is provided with a sharp end, and the upper part of the sharp end is connected with a limiting edge (401).

5. The drilling rig for geotechnical engineering investigation of claim 1, characterized in that, the fixed ring (2) is provided with three round holes uniformly in the circumference, the fixed pipe (201) passes through the round holes, the outer part of the inner end of the fixed pipe (201) is provided with screw threads, and the guide sleeve (1) is provided with corresponding screw thread holes.

6. A drilling device for geotechnical investigation according to claim 1, characterized in that said inner end of said mobile strut (402) is inserted into the fixed pipe (201) from the outer end of the fixed pipe (201); the inner end of the movable supporting rod (402) is provided with a flat groove, and the second screw (202) penetrates through the fixed pipe (201) and is pressed on the flat groove.

7. The drilling apparatus for geotechnical engineering investigation of claim 1, wherein the press plate (901) is provided with a circular hole corresponding to the position of the slide rod (902), and the slide rod (902) passes through the circular hole.