CN213710966U

CN213710966U - Drill rod clamping device of engineering drilling machine

Info

Publication number: CN213710966U
Application number: CN202022457262.4U
Authority: CN
Inventors: 金正军; 包琪湾; 吴晨龙; 余丽军
Original assignee: Nuclear Industry Jinhua Survey And Design Institute Co ltd
Current assignee: Nuclear Industry Jinhua Survey And Design Institute Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-07-16
Anticipated expiration: 2030-10-29

Abstract

The utility model provides a drilling rod clamping device of engineering drilling machine belongs to geological exploration equipment technical field. The drilling machine solves the problems that the existing drilling machine needs to be manually controlled to drive a drill rod to ascend and descend during drilling, the mode is low in efficiency, the labor intensity of operators is high, and the like. The utility model discloses a drilling rod and transmission case are equipped with an elevating system in the transmission case and are used for driving the drilling rod to go up and down, and it has positioning groove to open on the outer wall of drilling rod, and a plurality of positioning groove set up along the even interval of drilling rod axial, and elevating system includes lift cylinder, and lift cylinder's piston rod department is equipped with a clamping device, and clamping device presss from both sides the card and establishes in the positioning groove that the drilling rod corresponds, goes up and down through lift cylinder drive drilling rod. The utility model has the advantages of when spacing chuck is put at ordinary times, the drilling rod can be followed and passed through in the spacing chuck, when spacing chuck is the beat downwards, spacing chuck can incline the card and establish in the positioning groove of drilling rod to the drive drilling rod goes up and down, has improved work efficiency.

Description

Drill rod clamping device of engineering drilling machine

Technical Field

The utility model belongs to the technical field of geological exploration equipment, a drilling rod clamping device of engineering drilling machine is related to.

Background

In the geological exploration process, a drilling machine is utilized to drill holes with certain depth and diameter from the earth surface along a certain track according to a certain angle, and representative rock cores, ore cores or rock debris of the stratum are taken out, so that the purposes of exploring underground geology and mineral resources and exploring the earth's secret are achieved. The drilling depth of the current drilling rig is from 2 meters to 15000 meters, which is divided into a plurality of grades, and the drilling rig can be used for land, rivers, lakes and seas, so that the samples can be taken on the moon. Drilling machines play an important role in geological exploration research.

At present, when some drilling rigs are used for drilling, a steel wire rope of a winch needs to be wound and passes through a fixed pulley, one end of the steel wire rope is fixed on a drill rod to drive the drill rod to ascend and descend, and in the actual operation process, an operator needs to manually control the ascending and descending of the drill rod, so that the manual control mode is low in efficiency and very high in labor intensity of the operator.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior drilling machine, and providing a clamping device which can clamp and cover the drill rod to drive the drill rod to go up and down when the drill rod rotates.

The purpose of the utility model can be realized by the following technical proposal:

engineering drilling machine's drilling rod clamping device, its characterized in that, including drilling rod and transmission case, the vertical rotation setting of drilling rod is in the transmission case, is equipped with a rotary mechanism in the transmission case and is used for driving the drilling rod rotation, still is equipped with a elevating system in the transmission case and is used for driving the drilling rod lift, it has positioning groove to open on the outer wall of drilling rod, and a plurality of positioning groove set up along the even interval of drilling rod axial, elevating system include lift cylinder, lift cylinder is fixed to be set up on the transmission case, lift cylinder's piston rod department is equipped with a clamping device, and clamping device presss from both sides the clamp and establishes in the positioning groove that the drilling rod corresponds, goes up and down through lift.

In the above drill rod clamping device of the engineering drilling machine, the lifting mechanism further comprises a connecting plate, the transmission case is provided with two mounting holes, the cylinder bodies of the lifting cylinders are fixedly arranged in the mounting holes, the two lifting cylinders are symmetrically arranged along the center of the transmission case, and the piston rods of the two lifting cylinders are fixedly connected with the connecting plate respectively.

In foretell engineering drilling machine's drilling rod clamping device, clamping device include spacing chuck, chuck seat, the chuck seat is fixed to be set up on the connecting plate, the periphery at the drilling rod is established to spacing chuck cover, the one end rotation of spacing chuck sets up on the chuck seat, the spacing chuck other end can be around chuck seat along the drilling rod axial beat from top to bottom, when spacing chuck during the upwards beat, spacing chuck is in the state of laying level, spacing chuck inner chamber size is greater than the external diameter size of drilling rod, when spacing chuck during the downward beat, spacing chuck is in the tilt state, spacing chuck inner chamber slope card is established in above-mentioned positioning groove.

In foretell engineering drilling machine's drilling rod clamping device, the connecting plate on still be equipped with the adjusting device who is used for fixed spacing chuck beat angle, this adjusting device is including adjusting seat, fixed handle, adjust the fixed setting of seat on the connecting plate, it has a positioning channel section to open on the seat to adjust, two regulation positions of spaced about positioning channel section is equipped with, and fixed handle rotates and sets up on spacing chuck, and when fixed handle rotated the card and establishes in different regulation positions, can with spacing chuck's the state of laying flat, the tilt state one-to-one respectively.

In foretell engineering drilling machine's drilling rod clamping device, fixed first pivot and the second pivot of being equipped with on the outer wall of spacing chuck, spacing chuck rotates with the chuck seat through first pivot to be connected, fixed handle's one end is equipped with U type seat, and this U type seat rotates with the second pivot to be connected, and fixed handle's the other end passes and adjusts the seat card and establish in positioning channel section.

In the above drill rod clamping device of the engineering drilling machine, the positioning slot is in a "U" shape, and one side of the opening of the "U" shape faces to the left side or the right side, and the two identical linear slots of the "U" shape form the adjusting position.

In the above drill rod clamping device for the engineering drilling machine, the limiting chuck comprises an inner chuck and an outer chuck, a copper sleeve is arranged between the inner chuck and the outer chuck, and the inner chuck is rotatably arranged in an inner cavity of the outer chuck.

In foretell engineering drilling machine's drilling rod clamping device, rotary mechanism include first bevel gear, second bevel gear and rotatory main shaft, first bevel gear and second bevel gear rotate and set up in the transmission case, and first bevel gear and second bevel gear meshing transmission, an engine provides power for first bevel gear, above-mentioned drilling rod links firmly with the second bevel gear, the second bevel gear hollow inner chamber has, rotatory main shaft passes the inner chamber of second bevel gear and rather than the circumferential linkage, rotatory main shaft has hollow inner chamber, the drilling rod passes rotatory main shaft's inner chamber and rather than the circumferential linkage.

In foretell engineering drilling machine's drilling rod clamping device, be equipped with the keyway on the inner wall of second bevel gear, the vertical even interval of a plurality of keyways sets up, be equipped with the protruding key with the keyway one-to-one on the outer wall of rotating main shaft, rotating main shaft's inner chamber cross-sectional shape is the hexagon, the cross-sectional shape of drilling rod and rotating main shaft's inner chamber cross-sectional shape looks adaptation.

In the above drill rod clamping device of the engineering drilling machine, a rotating seat is fixedly arranged on the connecting plate, and the rotating main shaft is rotatably arranged in the rotating seat.

Compared with the prior art, the utility model discloses when spacing chuck is put at ordinary times, the drilling rod can be followed spacing chuck and interior the passing through, when spacing chuck during the downward beat, spacing chuck can incline the card and establish in the positioning groove of drilling rod to go up and down through lift cylinder drive drilling rod, this kind can the device that the synchronous drive drilling rod goes up and down in drilling rod pivoted, not only improved work efficiency, reduced operation workman's intensity of labour moreover.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention;

fig. 2 is a schematic structural view from another angle of the present invention;

fig. 3 is a schematic structural view of the clamping device of the present invention;

fig. 4 is a schematic structural view of the clamping device of the present invention at another angle.

In the figure, 1, a transmission case; 101. rotating the main shaft; 102. a lift cylinder; 103. a connecting plate; 104. an engine; 2. a drill stem; 201. a positioning groove; 202. a limiting chuck; 203. a chuck base; 204. an adjusting seat; 205. fixing a handle; 206. positioning the clamping groove; 207. a first rotating shaft; 208. a second rotating shaft; 209. a U-shaped seat; 210. an inner chuck; 211. an outer chuck.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, engineering driller's drilling rod clamping device, including drilling rod 2 and

transmission case

1, 2 vertical rotations of drilling rod set up in transmission case 1, be equipped with a rotary mechanism in the transmission case 1 and be used for driving drilling rod 2 and rotate, still be equipped with an elevating system in the transmission case 1 and be used for driving drilling rod 2 and go up and down, it has positioning groove 201 to open on the outer wall of drilling rod 2, and a plurality of positioning groove 201 set up along the even interval of 2 axial of drilling rod. The lifting mechanism comprises a lifting oil cylinder 102, the lifting oil cylinder 102 is fixedly arranged on the transmission case 1, a piston rod of the lifting oil cylinder 102 is provided with a clamping device, the clamping device is clamped and clamped in a positioning groove 201 corresponding to the drill rod 2, and the drill rod 2 is driven to lift through the lifting oil cylinder 102. The lifting mechanism further comprises a connecting plate 103, two mounting holes are formed in the transmission case 1, the cylinder bodies of the lifting cylinders 102 are fixedly arranged in the mounting holes, the two lifting cylinders 102 are symmetrically arranged along the center of the transmission case 1, and the piston rods of the two lifting cylinders 102 are fixedly connected with the connecting plate 103 respectively.

As shown in fig. 3 and 4, the clamping device includes a limiting chuck 202 and a chuck seat 203, the chuck seat 203 is fixedly disposed on the connecting plate 103, the limiting chuck 202 is sleeved on the periphery of the drill rod 2, one end of the limiting chuck 202 is rotatably disposed on the chuck seat 203, the other end of the limiting chuck 202 can axially swing up and down along the drill rod 2 around the chuck seat 203, when the limiting chuck 202 swings up, the limiting chuck 202 is in a flat state, the size of the inner cavity of the limiting chuck 202 is larger than the size of the outer diameter of the drill rod 2, when the limiting chuck 202 swings down, the limiting chuck 202 is in an inclined state, and the inner cavity of the limiting chuck 202 is obliquely fastened in the positioning groove 201.

Still be equipped with the adjusting device who is used for fixed spacing chuck 202 beat angle on the connecting plate 103, this adjusting device is including adjusting seat 204, fixed handle 205, adjust the fixed setting of seat 204 on connecting plate 103, it has a positioning slot 206 to open on adjusting seat 204, positioning slot 206 is equipped with two regulation positions of interval from top to bottom, and fixed handle 205 rotates and sets up on spacing chuck 202, and when fixed handle 205 rotated the card and established in different regulation positions, can be with the state of laying level, the tilt state one-to-one of spacing chuck 202 respectively. Fixed first pivot 207 and the second pivot 208 of being equipped with on the outer wall of spacing chuck 202, spacing chuck 202 rotates with chuck seat 203 through first pivot 207 to be connected, the one end of fixed handle 205 is equipped with U type seat 209, and this U type seat 209 rotates with second pivot 208 to be connected, and the other end of fixed handle 205 passes and adjusts the seat 204 card and establish in positioning groove 206. The positioning slot 206 is U-shaped, and the opening side of the U-shape faces to the left or right side, and the two identical linear slots of the U-shape form the adjusting position.

The rotating mechanism comprises a first bevel gear, a second bevel gear and a rotating main shaft 101, the first bevel gear and the second bevel gear are rotatably arranged in the transmission case 1 and are in meshing transmission with the second bevel gear, a motor 104 provides power for the first bevel gear, the drill rod 2 is fixedly connected with the second bevel gear, the second bevel gear is provided with a hollow inner cavity, the rotating main shaft 101 penetrates through the inner cavity of the second bevel gear and is in circumferential linkage with the second bevel gear, the rotating main shaft 101 is provided with a hollow inner cavity, and the drill rod 2 penetrates through the inner cavity of the rotating main shaft 101 and is in circumferential linkage with the rotating main shaft. The inner wall of the second bevel gear is provided with key grooves, the key grooves are vertically and uniformly arranged at intervals, the outer wall of the rotating main shaft 101 is provided with protruding keys which are in one-to-one correspondence with the key grooves, the cross section of the inner cavity of the rotating main shaft 101 is hexagonal, and the cross section of the drill rod 2 is matched with the cross section of the inner cavity of the rotating main shaft 101. A rotating seat is fixedly arranged on the connecting plate 103, and the rotating main shaft 101 is rotatably arranged in the rotating seat.

The working principle of the utility model is as follows:

the engine 104 drives the first bevel gear to rotate through the transmission assembly, the first bevel gear is in transmission engagement with the second bevel gear, so as to drive the rotary main shaft 101 to rotate, the drill rod 2 penetrates through the inner cavity of the rotary main shaft 101 and is linked with the inner cavity of the rotary main shaft in the circumferential direction, the piston rod of the lifting oil cylinder 102 extends outwards, the driving connecting plate 103 is lifted to enable the position of the limiting chuck 202 to correspond to the position of the positioning groove 201 of the drill rod 2, at the moment, the limiting chuck 202 is in a flat state, the fixing handle 205 is moved to enable the limiting chuck 202 to move to another adjusting position, the limiting chuck 202 is in an inclined state, at the moment, the inner chuck 210 is clamped in the positioning groove 201 of the drill rod 2 and rotates synchronously with the drill rod 2; after the piston rod of the lifting cylinder 102 is retracted to the lowest position, the fixing handle 205 is moved to another adjusting position, so that the limiting chuck 202 is in a flat state, the lifting cylinder 102 drives the connecting plate 103 to be lifted, the position of the drill rod 2 is not changed, the lifted limiting chuck 202 corresponds to another positioning groove 201 of the drill rod 2, the limiting chuck 202 is moved again to be inclined, and the lifting cylinder 102 drives the drill rod 2 to descend for drilling.

It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be interpreted in an open-ended manner, i.e. in a manner equivalent to "including at least … …", and not in a closed manner, i.e. in a manner not to be interpreted as "including … … only".

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The drill rod clamping device of the engineering drilling machine is characterized by comprising a drill rod (2) and a transmission case (1), wherein the drill rod (2) is vertically and rotatably arranged in the transmission case (1), a rotating mechanism is arranged in the transmission case (1) and used for driving the drill rod (2) to rotate, a lifting mechanism is also arranged in the transmission case (1) and used for driving the drill rod (2) to lift, the outer wall of the drill rod (2) is provided with positioning grooves (201), a plurality of positioning grooves (201) are uniformly arranged at intervals along the axial direction of the drill rod (2), the lifting mechanism comprises a lifting oil cylinder (102), the lifting oil cylinder (102) is fixedly arranged on the transmission case (1), a piston rod of the lifting oil cylinder (102) is provided with a clamping device, the clamping device is clamped and arranged in a corresponding positioning groove (201) of the drill rod (2), and the drill rod (2) is driven to lift through the lifting oil cylinder (102).

2. The drill rod clamping device of the engineering drilling machine according to claim 1, wherein the lifting mechanism further comprises a connecting plate (103), two mounting holes are formed in the transmission case (1), the cylinder bodies of the lifting cylinders (102) are fixedly arranged in the mounting holes, the two lifting cylinders (102) are arranged in a central symmetry manner along the transmission case (1), and the piston rods of the two lifting cylinders (102) are respectively and fixedly connected with the connecting plate (103).

3. The device for clamping the drill pipe of the engineering drilling machine as claimed in claim 2, wherein the clamping device comprises a limiting chuck (202) and a chuck seat (203), the chuck seat (203) is fixedly arranged on the connecting plate (103), the limiting chuck (202) is sleeved on the periphery of the drill pipe (2), one end of the limiting chuck (202) is rotatably arranged on the chuck seat (203), the other end of the limiting chuck (202) can vertically swing around the chuck seat (203) along the axial direction of the drill pipe (2), when the limiting chuck (202) swings upwards, the limiting chuck (202) is in a flat state, the size of an inner cavity of the limiting chuck (202) is larger than the size of the outer diameter of the drill pipe (2), when the limiting chuck (202) swings downwards, the limiting chuck (202) is in an inclined state, and the inclined inner cavity of the limiting chuck (202) is clamped in the positioning groove (201).

4. The drill rod clamping device of the engineering drilling machine as claimed in claim 3, wherein the connecting plate (103) is further provided with an adjusting device for fixing the deflection angle of the limiting chuck (202), the adjusting device comprises an adjusting seat (204) and a fixing handle (205), the adjusting seat (204) is fixedly arranged on the connecting plate (103), the adjusting seat (204) is provided with a positioning clamping groove (206), the positioning clamping groove (206) is provided with two adjusting positions which are spaced up and down, the fixing handle (205) is rotatably arranged on the limiting chuck (202), and when the fixing handle (205) is rotatably clamped in different adjusting positions, the fixing handle can be in one-to-one correspondence with the horizontal state and the inclined state of the limiting chuck (202).

5. The drill rod clamping device of the engineering drilling machine according to claim 4, wherein a first rotating shaft (207) and a second rotating shaft (208) are fixedly arranged on the outer wall of the limiting chuck (202), the limiting chuck (202) is rotatably connected with the chuck seat (203) through the first rotating shaft (207), a U-shaped seat (209) is arranged at one end of the fixed handle (205), the U-shaped seat (209) is rotatably connected with the second rotating shaft (208), and the other end of the fixed handle (205) penetrates through the adjusting seat (204) and is clamped in the positioning clamping groove (206).

6. The apparatus for holding drill pipe of construction drilling machine as claimed in claim 5, wherein said positioning slot (206) is "U" shaped, and the open side of the "U" is toward the left or right side, and the two identical linear slots of the "U" form the said adjustment position.

7. The apparatus for clamping the drill pipe of the engineering drilling machine according to claim 3, wherein the limiting chuck (202) comprises an inner chuck (210) and an outer chuck (211), a copper sleeve is arranged between the inner chuck (210) and the outer chuck (211), and the inner chuck (210) is rotatably arranged in an inner cavity of the outer chuck (211).

8. The device for clamping the drill rod of the engineering drilling machine as claimed in claim 2, wherein the rotating mechanism comprises a first bevel gear, a second bevel gear and a rotating main shaft (101), the first bevel gear and the second bevel gear are rotatably arranged in the transmission box (1) and are in meshing transmission with each other, a motor (104) provides power for the first bevel gear, the drill rod (2) is fixedly connected with the second bevel gear, the second bevel gear is provided with a hollow inner cavity, the rotating main shaft (101) penetrates through the inner cavity of the second bevel gear and is in circumferential linkage with the second bevel gear, the rotating main shaft (101) is provided with a hollow inner cavity, and the drill rod (2) penetrates through the inner cavity of the rotating main shaft (101) and is in circumferential linkage with the rotating main shaft.

9. The device for clamping the drill rod of the engineering drilling machine as claimed in claim 8, wherein the inner wall of the second bevel gear is provided with a plurality of key slots, the key slots are vertically and uniformly arranged at intervals, the outer wall of the rotating main shaft (101) is provided with protruding keys which correspond to the key slots one by one, the cross section of the inner cavity of the rotating main shaft (101) is hexagonal, and the cross section of the drill rod (2) is matched with the cross section of the inner cavity of the rotating main shaft (101).

10. The slip pipe clamping device of an engineering driller according to claim 8, characterized in that a rotating seat is fixedly arranged on the connecting plate (103), and the rotating main shaft (101) is rotatably arranged in the rotating seat.