CN220015090U - Drill rod clamping mechanism and drilling machine device - Google Patents

Abstract

The utility model provides a drill rod clamping mechanism and a drilling machine device. The drill rod clamping mechanism comprises: a housing; the rotary shaft is partially arranged in the shell, one end of the rotary shaft is provided with a plurality of clamping jaws for clamping a drill rod, and the clamping jaws are arranged at intervals along the circumferential direction and incline outwards relative to the central axis of the rotary shaft; the first driving piece is connected with the other end of the rotating shaft in a driving way and is used for driving the rotating shaft to rotate; the shaft sleeve is sleeved on the rotating shaft; the second driving piece is in driving connection with the shaft sleeve and is used for driving the shaft sleeve to move axially and accommodating the extrusion or exposing the clamping jaw so as to clamp or unclamp the drill rod. The utility model solves the problem of low efficiency of the drill rod loading and unloading operation in the prior art.

Description

Drill rod clamping mechanism and drilling machine device

Technical Field

The utility model relates to the technical field of anchor cable supporting equipment, in particular to a drill rod clamping mechanism and a drilling machine device.

Background

In the existing roadway anchor cable supporting operation, the anchor cable holes are far higher than the length of the drill rods, so that the drill rods need to be replaced when drilling. The traditional anchor cable supporting process flow needs the procedures of manually and sequentially taking rods, loading the rods, connecting the rods, unloading the rods, filling the anchoring cartridges, fastening the anchor cable and the like, and the whole process flow is complicated, the working environment is poor, so that the labor intensity of workers is high, the construction efficiency is low, the quality cannot be ensured, and the safety, the high efficiency and the healthy development of the anchor cable supporting of the coal mine tunnel are greatly influenced.

As described above, the prior art has a problem of low efficiency of the drill rod loading and unloading operation.

Disclosure of Invention

The utility model mainly aims to provide a drill rod clamping mechanism and a drilling machine device, which are used for solving the problem of low drill rod loading and unloading operation efficiency in the prior art.

To achieve the above object, according to one aspect of the present utility model, there is provided a pipe clamping mechanism comprising: a housing; the rotary shaft is partially arranged in the shell, one end of the rotary shaft is provided with a plurality of clamping jaws for clamping a drill rod, and the clamping jaws are arranged at intervals along the circumferential direction and incline outwards relative to the central axis of the rotary shaft; the first driving piece is connected with the other end of the rotating shaft in a driving way and is used for driving the rotating shaft to rotate; the shaft sleeve is sleeved on the rotating shaft; the second driving piece is in driving connection with the shaft sleeve and is used for driving the shaft sleeve to move axially and accommodating the extrusion or exposing the clamping jaw so as to clamp or unclamp the drill rod.

Further, one end of the rotating shaft far away from the clamping jaw is provided with a connecting groove, the connecting groove is provided with a first inner tooth section arranged along the circumferential direction, an output shaft sleeve of the first driving piece is provided with a driving gear, and the driving gear is meshed and connected with the first inner tooth section.

Further, the outer surface of the rotating shaft is provided with an outer tooth section arranged along the circumferential direction, the inner wall of the shaft sleeve is provided with a second inner tooth section matched with the outer tooth section, and the second inner tooth section is in meshed connection with the outer tooth section.

Further, the thickness of the clamping jaw gradually increases along the direction away from the rotating shaft; and/or one end of the shaft sleeve, which is far away from the rotating shaft, is provided with a pressing section matched with the clamping jaw, and an inner cavity at the pressing section is in a horn shape with an outward opening.

Further, the drill rod clamping mechanism further comprises a mounting seat, the mounting seat is sleeved on the shaft sleeve, the mounting seat is provided with a mounting groove, the drill rod clamping mechanism further comprises a first bearing piece, the first bearing piece is accommodated in the mounting groove, the shaft sleeve is arranged on the first bearing piece in a penetrating mode, and one end of the second driving piece is in driving connection with the mounting seat to drive the shaft sleeve to move axially.

Further, the drill rod clamping mechanism further comprises a mounting plate, two sides of the mounting plate are respectively connected with the first driving piece and the shell, one end of the mounting plate is provided with a connecting section, and the connecting section is connected with the driving mechanism of the drilling machine device.

Further, the drill rod clamping mechanism further comprises a plurality of sealing elements, and the plurality of sealing elements are at least arranged between the shell and the rotating shaft and between the rotating shaft and the shaft sleeve.

Further, the drill rod clamping mechanism is characterized by further comprising a second bearing piece, wherein the second bearing piece is accommodated in the shell, and the rotating shaft is arranged on the second bearing piece in a penetrating manner.

According to another aspect of the present utility model, there is also provided a drilling machine apparatus including: a drill frame; the drill rod clamping mechanism; the driving mechanism is connected with the drill rod clamping mechanism, and the driving mechanism is movably arranged with the drill frame and is used for driving the drill rod clamping mechanism to move up and down.

Further, the drilling rig apparatus further includes a clamping assembly disposed at a top end of the drill rig, the clamping assembly including: the clamping piece is used for clamping the drill rod; the aiming piece is positioned below the clamping piece and is coaxially arranged with the clamping piece, and the aiming piece is provided with an aiming hole for avoiding a drill rod; and the third driving piece is respectively in driving connection with the clamping piece and the aiming piece and is used for respectively driving the clamping piece to clamp the drill rod and opening or closing the aiming piece.

Further, the clamping assembly further comprises a pushing piece, and the third driving piece is in driving connection with the pushing piece and is used for driving the pushing piece to push the anchor cable upwards.

Further, the drilling rig apparatus further includes a drill rod magazine assembly, the drill rod magazine assembly comprising: the two turntables are arranged at intervals up and down and are rotatably connected with the drilling frame, the turntables are provided with a plurality of drill rod fixing grooves which are distributed at intervals along the circumferential direction, and two ends of a drill rod are respectively connected with the drill rod fixing grooves of the two turntables; the two ends of the fixed rod are respectively connected with the two turntables; the clamping arm is rotatably connected with the fixed rod at one end, and a claw is arranged at the other end of the clamping arm and used for clamping the drill rod; and the fourth driving piece is in driving connection with the clamping arm and is used for driving the clamping arm to clamp the drill rod.

Further, the drilling machine device further comprises a tensioning mechanism, and the tensioning mechanism is arranged on one side of the drilling frame and used for tensioning the anchor cable.

By adopting the technical scheme, the drill rod clamping mechanism comprises a shell, a rotating shaft, a first driving piece, a shaft sleeve and a second driving piece, wherein the rotating shaft is partially arranged in the shell, one end of the rotating shaft is provided with a plurality of clamping jaws used for clamping a drill rod, the clamping jaws are arranged at intervals along the circumferential direction and incline outwards relative to the central axis of the rotating shaft, the other end of the first driving piece is connected with the rotating shaft and is used for driving the rotating shaft to rotate, the shaft sleeve is sleeved on the rotating shaft, the second driving piece is in driving connection with the shaft sleeve and is used for driving the shaft sleeve to axially move and accommodate the clamping jaws to clamp or loosen the drill rod, the shaft sleeve can axially move and accommodate the clamping jaws under the driving of the second driving piece, the clamping jaws clamp the drill rod, then the rotating shaft is driven by the first driving piece to rotate, the drill rod can be connected with or detached from the previous drill rod through the positive and negative rotation of the first driving piece, further, the first driving piece can drive the drill rod to integrally rotate together, and thus the drilling operation is performed, the automatic disassembly and manual assembly and disassembly of the drill rod can be realized, the automatic assembly and disassembly steps are omitted, the assembly and disassembly steps are simplified, the assembly and disassembly efficiency are greatly improved, the efficiency is improved, and the prior operation is safe, and the problems are easy and the assembly and disassembly are solved. In addition, the clamping jaw clamps the drill rod, so that abrasion between the rotating shaft and the drill rod can be reduced, and the service life is prolonged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 illustrates a cross-sectional view of a pipe clamping mechanism in one embodiment of the present utility model;

FIG. 2 is a schematic illustration of the drill rod clamping mechanism in one embodiment of the present utility model;

FIG. 3 shows a schematic structural view of a spindle in one embodiment of the present utility model;

FIG. 4 illustrates a cross-sectional view of a sleeve in one embodiment of the present utility model;

FIG. 5 shows a schematic structural view of a drilling rig apparatus in one embodiment of the present utility model;

FIG. 6 shows a schematic structural view of a clamping assembly in one embodiment of the utility model;

fig. 7 shows a schematic structural view of a drill rod magazine assembly in one embodiment of the present utility model.

Wherein the above figures include the following reference numerals:

10. a drill frame; 20. a drill rod clamping mechanism; 201. a drill rod; 21. a housing; 22. a rotating shaft; 221. a clamping jaw; 222. a connecting groove; 223. an internal tooth section; 224. an outer tooth segment; 23. a first driving member; 231. a drive gear; 24. a shaft sleeve; 241. a second internal tooth segment; 242. a compacting section; 25. a second driving member; 26. a mounting base; 261. a first bearing member; 262. a seal; 263. a second bearing member; 27. a mounting plate; 271. a connection section; 30. a driving mechanism; 40. a clamping assembly; 41. a clamping member; 42. a sighting member; 43. a third driving member; 44. a pushing member; 50. a drill rod bin assembly; 51. a turntable; 52. a fixed rod; 53. a clamp arm; 531. a claw; 60. and a tensioning mechanism.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present utility model.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

The utility model provides a drill rod clamping mechanism and a drilling machine device, which aim to solve the problem of low drill rod loading and unloading operation efficiency in the prior art. The drill device described below includes a drill rod clamping mechanism described below.

As shown in fig. 1 and 2, the rod clamping mechanism includes a housing 21, a spindle 22, a first driver 23, a sleeve 24, and a second driver 25. The rotary shaft 22 is partially disposed in the housing 21, and one end of the rotary shaft 22 is provided with a plurality of clamping jaws 221 for clamping the drill rod 201, the plurality of clamping jaws 221 being disposed at intervals in the circumferential direction and being inclined outwardly with respect to the central axis of the rotary shaft 22. The first driving member 23 is connected to the other end of the rotating shaft 22 and is used for driving the rotating shaft 22 to rotate. The shaft sleeve 24 is sleeved on the rotating shaft 22. Second drive member 25 is drivingly connected to sleeve 24 for driving sleeve 24 axially and receiving squeeze or expose jaw 221 for gripping or releasing drill pipe 201.

Through setting up drilling rod clamping mechanism and including casing 21, pivot 22, first driving piece 23, axle sleeve 24 and second driving piece 25, pivot 22 part sets up in casing 21, and the one end of pivot 22 is provided with the clamping jaw 221 that is used for pressing from both sides tight drilling rod 201, clamping jaw 221 is a plurality of, a plurality of clamping jaw 221 set up along circumference interval and outwards slope for the central axis of pivot 22, first driving piece 23 is connected with the other end and the drive of pivot 22, be used for driving pivot 22 rotation, the axle sleeve 24 cover is established on pivot 22, second driving piece 25 is connected with the axle sleeve 24 drive, be used for driving axle sleeve 24 along axial displacement and accept extrusion or expose clamping jaw 221, so axle sleeve 24 can be along axial displacement and accept extrusion clamping jaw 221 under the drive of second driving piece 25, make clamping jaw 221 press from both sides tight drilling rod 201, then rotate pivot 22 under the drive of first driving piece 23, and then drive drilling rod 201 rotation, can realize that drilling rod 201 and last piece 201 are connected or are dismantled, further, first driving piece 23 can drive 201 and last piece 201 are connected together and can drive rotation, thereby the manual assembly and disassembly operation is greatly improved, the manual assembly and disassembly is easy and simple and convenient, the manual assembly and disassembly is easy and convenient, and high handling is realized. In addition, clamping drill rod 201 by clamping jaw 221 also reduces wear between shaft 22 and drill rod 201, improving service life.

In this embodiment, sleeve 24 is fully retracted from jaw 221 in the rest condition of the pipe clamping mechanism such that jaw 221 is fully exposed to sleeve 24. Specifically, jaw 221 is a spring jaw, and the plurality of spring jaws are petals, forming a petal-like shape, each petal having an inclination angle that mates with the gripping end of drill pipe 201, extending entirely outward from the central axis of shaft 22. When sleeve 24 moves in the axial direction, the spring fingers have good elastic properties, so that the spring fingers can be separated to gather, and the action of clamping drill rod 201 by the spring fingers is completed.

In this embodiment, the first driving member 23 is a bearingless disc split motor.

In the present embodiment, a motor limiting post is disposed between the rotating shaft 22 and the output shaft of the first driving member 23.

As shown in fig. 1 and 3, one end of the rotating shaft 22 away from the clamping jaw 221 is provided with a connecting groove 222, a circumferential side groove wall of the connecting groove 222 is provided with a first inner tooth section 223 arranged along the circumferential direction, an output shaft sleeve of the first driving member 23 is provided with a driving gear 231, and the driving gear 231 is in meshed connection with the first inner tooth section 223. It will be appreciated that the shaft 22 is arranged coaxially with the output shaft of the first drive member 23. Through the arrangement, meshing transmission is realized between the rotating shaft 22 and the first driving piece 23, so that the first driving piece 23 can drive the rotating shaft 22 to rotate, and then drive the drill rods 201 to rotate, and connection and disassembly of the upper drill rod 201 and the lower drill rod 201 are realized.

As shown in fig. 1, 3 and 4, the outer surface of the rotary shaft 22 has an outer tooth segment 224 arranged in the circumferential direction, and the inner wall of the sleeve 24 has a second inner tooth segment 241 adapted to the outer tooth segment 224, and the second inner tooth segment 241 is engaged with the outer tooth segment 224. By the above arrangement, the engagement transmission is realized between the rotating shaft 22 and the sleeve 24, so that the sleeve 24 can rotate together with the rotating shaft 22.

In the present embodiment, the external tooth segment 224 on the rotating shaft 22 is provided at the intermediate position of the rotating shaft 22, and the axial width of the external tooth segment 224 is adapted to the axial width of the second internal tooth segment 241 in order to secure the reliability of engagement.

In the present embodiment, the thickness of the clamping jaw 221 gradually increases in a direction away from the rotation shaft 22. Correspondingly, as shown in fig. 4, one end of the shaft sleeve 24 away from the rotating shaft 22 is provided with a pressing section 242 matched with the clamping jaw 221, and an inner cavity at the pressing section 242 is in a horn shape with an outward opening. Through the arrangement, when the plurality of clamping jaws 221 are accommodated and pressed by the shaft sleeve 24, the plurality of clamping jaws 221 form the accommodating cavity with gradually reduced caliber along the direction of the rotating shaft 22, so that when the drill rod 201 is clamped by the clamping jaws 221, a more clamping force can be applied to the end parts of the clamping jaws 221, and effective clamping of the drill rod 201 is realized.

As shown in fig. 1 and 2, the pipe clamping mechanism further includes a mounting seat 26. The mounting base 26 is sleeved on the shaft sleeve 24. In this embodiment, the second driving member 25 is a driving cylinder, the driving cylinder is parallel to the rotating shaft 22, the cylinder body of the driving cylinder is connected with the housing 21, the piston rod is in driving connection with the mounting seat 26, and the piston rod stretches axially to drive the mounting seat 26 and the shaft sleeve 24 to move axially, so as to accommodate the compression or expose the clamping jaw 221.

Further, in order to avoid the influence of the mounting seat 26 on the rotation of the shaft sleeve 24 following the rotation shaft 22, the mounting seat 26 is provided with a mounting groove, and the drill rod clamping mechanism further comprises a first bearing member 261, wherein the first bearing member 261 is accommodated in the mounting groove, and the shaft sleeve 24 is arranged on the first bearing member 261 in a penetrating manner. By providing the first bearing member 261, the shaft sleeve 24 is allowed to freely rotate with respect to the mount 26 following the rotation shaft 22 while the mount 26 can withstand a large impact load during operation.

In this embodiment, the sleeve 24 further has a plurality of protrusions, and the protrusions are matched with the grooves on the first bearing 261, so that the first bearing 261 can perform axial limiting on the sleeve 24. Specifically, the first bearing member 261 is accommodated in the mounting seat 26, the protrusion on the shaft sleeve 24 is just clamped in the groove of the first bearing member 261, when the first driving member 23 drives the rotating shaft 22 to rotate, the shaft sleeve 24 can be driven to rotate, and when the second driving member 25 drives the mounting seat 26 to move axially, the shaft sleeve 24 and the first bearing member 261 are limited by convex-concave fit, so that the shaft sleeve 24 cannot move axially relative to the mounting seat 26, and can only move axially together with the mounting seat 26 to realize accommodating, pressurizing and avoiding of the clamping jaw 221, namely clamping and loosening of the drill rod 201.

As shown in fig. 1 and 2, the pipe clamping mechanism further includes a mounting plate 27. The mounting plate 27 is connected to the first driving member 23 and the housing 21 on both sides thereof, respectively. Specifically, the first driving member 23 and the housing 21 are both fixed to the mounting plate 27 by bolts. The mounting plate 27 has a connection section 271 at one end, and the connection section 271 is connected with the driving mechanism 30 of the drill device.

In this embodiment, the mounting plate 27 is provided in an L shape, the bending section of the mounting plate 27 is a connection section 271, and the connection section 271 has a through hole connected with the driving mechanism 30 to achieve the bolting. In order to ensure the connection strength, a reinforcing plate is further provided at the right angle of the mounting plate 27. In an alternative embodiment, the mounting plate 27 is configured in a T-shape to achieve a better connection.

In this embodiment, the sleeve 24 has oil holes to provide lubrication for axial movement of the sleeve 24 relative to the shaft 22.

As shown in fig. 1, the pipe clamping mechanism further includes a seal 262. The plurality of seals 262 is provided, and the plurality of seals 262 is provided at least between the housing 21 and the shaft 22, and between the shaft 22 and the sleeve 24.

In this embodiment, a sealing member 262 may be a sealing ring, and the sealing ring is sleeved in a groove at one end of the rotating shaft 22 near the clamping jaw 221, so as to realize sealing between the rotating shaft 22 and the shaft sleeve 24. Further, a sealing ring is also provided between the mounting seat 26 and the sleeve 24.

In this embodiment, the housing 21 includes an end cap and a case, and the end cap and the case are connected by screws. The end cover is provided with a through hole, the box body is provided with a containing cavity, and one end of the rotating shaft 22 penetrates through the through hole of the end cover and stretches into the containing cavity of the box body so as to be in driving connection with the first driving piece 23. Specifically, a seal 262, which is also a seal ring, is disposed between the end cap and the shaft 22, and the seal ring is sleeved in a groove of the shaft 22 at the through hole of the end cap to prevent impurities from entering the housing 21.

As shown in fig. 1, the drill rod clamping mechanism further includes a second bearing member 263, the second bearing member 263 is accommodated in the housing 21, and the rotation shaft 22 is disposed on the second bearing member 263 in a penetrating manner. By providing the second bearing 263, the housing 21 is enabled to withstand a large impact load during operation. Specifically, the second bearing member 263 is accommodated in the accommodating cavity and is located at an upper end of the accommodating cavity. Further, the sealing member 262 may be a water-sealing spacer and a mechanical sealing member, which are both accommodated in the accommodating cavity and sleeved on the rotating shaft 22. The number of the water-sealing spacers is two, and the mechanical sealing element is positioned between the two water-sealing spacers, so that oil and water separation is realized. The outside of the housing at the position corresponding to the second bearing 263 and the water-tight spacer is provided with an oil filling hole, thereby providing lubrication for the rotation of the rotating shaft 22. And a water injection hole is formed in the outer side of the box body at the corresponding position of the mechanical sealing piece so as to realize water sealing.

In the present embodiment, the first bearing member 261 and the second bearing member 263 are tapered roller bearings.

As shown in fig. 5, the present utility model also provides a drilling machine apparatus comprising a drill stand 10, the above-described pipe clamping mechanism 20 and a drive mechanism 30. The drill rod clamping mechanism 20 is connected with a driving mechanism 30, and the driving mechanism 30 is movably arranged with the drill stand 10 and is used for driving the drill rod clamping mechanism 20 to move up and down.

In the present embodiment, the drive mechanism 30 includes a slider, a carriage, and a drive cylinder. The carriage is vertically arranged and is respectively connected with the upper end and the lower end of the drill carriage 10, the sliding piece is in sliding connection with the carriage, the driving oil cylinder is in driving connection with the sliding piece, and accordingly the sliding piece is driven to move up and down, and the drill rod clamping mechanism 20 is connected with the sliding piece and accordingly moves up and down along with the sliding piece.

As shown in fig. 5 and 6, the drilling apparatus further includes a clamping assembly 40, the clamping assembly 40 being disposed at the top end of the drill frame 10. The clamping assembly 40 comprises a clamping member 41, an aiming member 42 and a third driving member 43. Clamping member 41 is used to clamp drill pipe 201. The aiming member 42 is located below the clamping member 41 and is coaxially arranged with the clamping member 41, and the aiming member 42 has an aiming hole for avoiding the drill rod 201. Third drive member 43 is drivingly connected to clamping member 41 and aiming member 42, respectively, for driving clamping member 41 to clamp drill rod 201 and opening or closing aiming member 42, respectively.

In this embodiment, the aiming holes and the clamping members 41 are kept on the same straight line with the central axis of the rotating shaft 22, so that the plurality of drill rods 201 can be kept on the same straight line all the time, and the loading and unloading efficiency is ensured.

As shown in fig. 6, the clamping assembly 40 further includes a pusher 44. The third driving member 43 is drivingly connected to the pushing member 44 for driving the pushing member 44 to push the cable upward. Specifically, the pushing member 44 includes two rollers disposed at a distance from each other, and the anchor cable passes between and is clamped by the two rollers, and the two rollers rotate in opposite directions, thereby pushing the anchor cable upward.

As shown in fig. 5 and 7, the drill rig apparatus further includes a rod magazine assembly 50. The rod magazine assembly 50 includes a carousel 51, a fixed rod 52, a clamping arm 53 and a fourth drive. The number of the turntables 51 is two, the two turntables 51 are arranged at intervals up and down and are rotatably connected with the drilling rig 10, the turntables 51 are provided with a plurality of drill rod fixing grooves distributed at intervals along the circumferential direction, and two ends of the drill rod 201 are respectively connected with the drill rod fixing grooves of the two turntables 51. Both ends of the fixed rod 52 are connected to the two turntables 51, respectively. One end of the clamping arm 53 is rotatably connected to the fixed rod 52, and the other end of the clamping arm 53 is provided with a claw 531 for clamping the drill rod 201. The fourth driving piece is in driving connection with the clamping arm 53 and is used for driving the clamping arm 53 to clamp the drill rod 201 _。

As shown in fig. 7, the claw 531 has four positions (1), (2), (3), and (4): position (1) is the rod-extracting position, position (2) is the rod-clamping position, and jaw 531 grips rod 201 in rod magazine assembly 50 to beThe drill rod 201 is moved to the position (3) of the connecting rod, namely, the drill rod 201 is positioned right above the rotating shaft 22 of the drill rod clamping mechanism 20, so that the actions of rod loading, connecting rod, feeding, rod unloading and the like are realized; position (4) is a avoiding position, and the claw 531 gives way to facilitate the lifting of the drill rod clamping mechanism 20 _。

As shown in fig. 5, the drilling rig apparatus further includes a tensioning mechanism 60, the tensioning mechanism 60 being provided at one side of the drill boom 10 for tensioning the cable.

The specific operation of the drill device in this embodiment is described as follows:

rod drill Kong Guocheng: the drill rod clamping mechanism 20 descends to the bottommost end, the clamping jaw 531 takes out the drill rod 201 from the drill rod bin assembly 50 in the full bin state under the drive of the fourth driving piece, at the moment, the drill rod 201 is located right above the rotating shaft 22 of the drill rod clamping mechanism 20, the first driving piece 23 drives the rotating shaft 22 to rotate positively at a low speed, the drill rod clamping mechanism 20 is driven by the driving oil cylinder to move upwards to butt against the drill rod 201 in the clamping jaw 531, then the second driving piece 25 drives the shaft sleeve 24 to move upwards, so that the clamping jaw 221 is separated to gather together and locked with the drill rod 201, the first driving piece 23 transmits power to the drill rod 201, then the clamping jaw 531 is opened to the position (3), the first driving piece 23 drives the rotating shaft 22 to rotate positively at a low speed to rotate positively at a high speed, the drill rod clamping mechanism 20 continues to ascend and feed, after a proximity switch receives a signal, the aiming piece 42 is rotated to be opened from the closed state, a distance measuring sensor records the position of the drill rod 201 and performs accumulation, at the moment, the drill rod 22 is rotated positively at the low speed, the clamping piece 201 is moved positively at the low speed, the clamping jaw 201 is moved back to the bottom end of the second driving piece 25, and the clamping jaw 221 is moved to the bottom end of the drill rod is assembled to the clamping mechanism, and the clamping jaw 221 is moved to the bottom end, and the clamping jaw 201 is moved to the bottom, and the clamping jaw is moved to the position to the clamping jaw is moved to the position, and the clamping jaw is moved to the position and the position is moved.

During the feeding process of the drill rod clamping mechanism 20, the drill rod 201 is prepared in the drill rod bin assembly 50, the specific process is that the turntable 51 rotates clockwise by a preset angle, the next drill rod 201 moves to the position to be clamped of the drill rod 201, then the fourth driving piece of the drill rod bin assembly 50 drives the clamping jaw 531 to return to the position (4) from the position (3), and the one-time rod conveying process is completed _。 The remaining drill rods 201 only need to repeat the above steps to complete the rod loading and drilling cycle _。 The drill rod monitoring sensor and the pallet monitoring sensor of the drill rod bin assembly 50 can realize timely supply and positioning of the drill rod 201, and the distance measuring sensor of the drill frame 10 can realize measurement of drilling depth _。

The rod unloading process comprises the following steps: after the drilling depth reaches the maximum position depth, the drill rod clamping mechanism 20 still keeps rotating forward at a high speed and drives the tail end drill rod 201 to retract to the measuring end, and then the tail end drill rod is restored to rotating forward at a low speed, meanwhile, the clamping arm 53 swings from the position (4) to the position (3), after the clamping piece 41 clamps the last drill rod 201, the drill rod clamping mechanism 20 rotates reversely at a low speed and slowly retracts to separate the tail end drill rod 201 from the last drill rod 201, at the moment, the clamping arm 53 moves from the position (3) to the position (2) under the driving of the fourth driving piece, so that the tail end drill rod 201 is clamped, the second driving piece 25 drives the shaft sleeve 24 to move downwards, the clamping jaw 221 is separated from gathering, the drill rod clamping mechanism 20 descends to the bottommost end and continues to start rotating forward at a low speed, and the process of unloading is completed once. After the drill rod tray rotates counterclockwise by a preset angle, the clamping arm 53 returns the drill rod 201 to the drill rod bin assembly 50 (from the position (2) to the position (1)), the clamping jaw 531 is released (from the position (1) to the position (4)) under the action of the fourth driving piece, and the magnet arranged on the rotary table 51 adsorbs the drill rod 201 to the rotary table 51, so that a rod unloading process is completed, and the rest of the drill rods 201 only need to repeat the steps to complete the rod unloading cycle.

The anchor cable fastening process comprises the following steps: the worker sends the anchor cable to the pushing member 44, and the third driving member 43 acts to enable the left roller and the right roller of the pushing member 44 to clamp the anchor cable, and meanwhile drives the rollers to rotate to push the anchor cable. The cable is pushed into place and then the worker holds the tensioning mechanism 60 to secure the cable.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: through setting up drilling rod clamping mechanism and including casing 21, pivot 22, first driving piece 23, axle sleeve 24 and second driving piece 25, pivot 22 part sets up in casing 21, and the one end of pivot 22 is provided with the clamping jaw 221 that is used for pressing from both sides tight drilling rod 201, clamping jaw 221 is a plurality of, a plurality of clamping jaw 221 set up along circumference interval and outwards slope for the central axis of pivot 22, first driving piece 23 is connected with the other end and the drive of pivot 22, be used for driving pivot 22 rotation, the axle sleeve 24 cover is established on pivot 22, second driving piece 25 is connected with the axle sleeve 24 drive, be used for driving axle sleeve 24 along axial displacement and accept extrusion or expose clamping jaw 221, so axle sleeve 24 can be along axial displacement and accept extrusion clamping jaw 221 under the drive of second driving piece 25, make clamping jaw 221 press from both sides tight drilling rod 201, then rotate pivot 22 under the drive of first driving piece 23, and then drive drilling rod 201 rotation, can realize that drilling rod 201 and last piece 201 are connected or are dismantled, further, first driving piece 23 can drive 201 and last piece 201 are connected together and can drive rotation, thereby the manual assembly and disassembly operation is greatly improved, the manual assembly and disassembly is easy and simple and convenient, the manual assembly and disassembly is easy and convenient, and high handling is realized. In addition, clamping drill rod 201 by clamping jaw 221 also reduces wear between shaft 22 and drill rod 201, improving service life.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (13)

1. A drill rod clamping mechanism, comprising:

a housing (21);

the rotary shaft (22), the rotary shaft (22) is partially arranged in the shell (21), one end of the rotary shaft (22) is provided with a plurality of clamping jaws (221) for clamping a drill rod (201), and the plurality of clamping jaws (221) are arranged at intervals along the circumferential direction and incline outwards relative to the central axis of the rotary shaft (22);

the first driving piece (23), the other end of the first driving piece (23) and the rotating shaft (22) are connected with a driving device, and the driving device is used for driving the rotating shaft (22) to rotate;

the shaft sleeve (24) is sleeved on the rotating shaft (22);

and the second driving piece (25) is in driving connection with the shaft sleeve (24) and is used for driving the shaft sleeve (24) to move along the axial direction and accommodating and extruding or exposing the clamping jaw (221) so as to clamp or unclamp the drill rod (201).

2. The pipe clamping mechanism as claimed in claim 1, characterized in that the end of the spindle (22) remote from the clamping jaw (221) has a connecting groove (222), the connecting groove (222) has a first inner tooth section (223) arranged circumferentially, the output shaft sleeve of the first drive member (23) is provided with a drive gear (231), and the drive gear (231) is in meshing connection with the first inner tooth section (223).

3. The drill rod clamping mechanism as recited in claim 1, characterized in that the outer surface of the rotating shaft (22) is provided with an outer tooth segment (224) arranged along the circumferential direction, the inner wall of the shaft sleeve (24) is provided with a second inner tooth segment (241) matched with the outer tooth segment (224), and the second inner tooth segment (241) is in meshed connection with the outer tooth segment (224).

4. The pipe clamping mechanism of claim 1, wherein,

the thickness of the clamping jaw (221) gradually increases along the direction away from the rotating shaft (22); and/or

One end of the shaft sleeve (24) far away from the rotating shaft (22) is provided with a pressing section (242) matched with the clamping jaw (221), and an inner cavity at the pressing section (242) is in a horn shape with an outward opening.

5. The drill rod clamping mechanism as recited in claim 1, further comprising a mounting base (26), wherein the mounting base (26) is sleeved on the shaft sleeve (24), the mounting base (26) has a mounting groove, the drill rod clamping mechanism further comprises a first bearing member (261), the first bearing member (261) is accommodated in the mounting groove, the shaft sleeve (24) is arranged on the first bearing member (261) in a penetrating manner, and one end of the second driving member (25) is in driving connection with the mounting base (26) so as to drive the shaft sleeve (24) to move axially.

6. The pipe clamping mechanism as claimed in claim 1, further comprising a mounting plate (27), wherein both sides of the mounting plate (27) are connected to the first driving member (23) and the housing (21), respectively, and wherein one end of the mounting plate (27) has a connection section (271), and wherein the connection section (271) is connected to a driving mechanism of a drilling machine.

7. The pipe clamping mechanism as claimed in any one of claims 1 to 6, further comprising a plurality of seals (262), a plurality of the seals (262) being disposed at least between the housing (21) and the spindle (22), the spindle (22) and the sleeve (24).

8. The pipe clamping mechanism as claimed in any one of claims 1 to 6, further comprising a second bearing member (263), the second bearing member (263) being housed within the housing (21), the spindle (22) being threaded onto the second bearing member (263).

9. A drilling rig apparatus, comprising:

a drill stand (10);

the pipe clamping mechanism (20) of any one of claims 1 to 8;

the driving mechanism (30), the drill rod clamping mechanism (20) is connected with the driving mechanism (30), and the driving mechanism (30) and the drill frame (10) are movably arranged and used for driving the drill rod clamping mechanism (20) to move up and down.

10. The drilling rig apparatus according to claim 9, further comprising a clamping assembly (40), the clamping assembly (40) being arranged at a top end of the rig (10), the clamping assembly (40) comprising:

-a clamping member (41), the clamping member (41) being adapted to clamp a drill rod (201);

-an aiming member (42), said aiming member (42) being located below said clamping member (41) and being arranged coaxially to said clamping member (41), said aiming member (42) having an aiming hole for avoiding said drill rod (201);

and the third driving piece (43) is respectively connected with the clamping piece (41) and the aiming piece (42) in a driving way and is used for respectively driving the clamping piece (41) to clamp the drill rod (201) and opening or closing the aiming piece (42).

11. Drilling device according to claim 10, characterized in that the clamping assembly (40) further comprises a pushing member (44), the third driving member (43) being in driving connection with the pushing member (44) for driving the pushing member (44) to push the cable upwards.

12. The drill device according to claim 9, further comprising a rod magazine assembly (50), the rod magazine assembly (50) comprising:

the two turntables (51) are arranged at intervals up and down and are rotatably connected with the drill carriage (10), the turntables (51) are provided with a plurality of drill rod fixing grooves distributed at intervals along the circumferential direction, and two ends of a drill rod (201) are respectively connected with the drill rod (201) fixing grooves of the two turntables (51);

the two ends of the fixed rod (52) are respectively connected with the two turntables (51);

the clamping arm (53), one end of the clamping arm (53) is rotatably connected with the fixed rod (52), and the other end of the clamping arm (53) is provided with a claw (531) for clamping the drill rod (201);

and the fourth driving piece is in driving connection with the clamping arm (53) and is used for driving the clamping arm (53) to clamp the drill rod (201).

13. Drilling rig arrangement according to any of claims 9-12, characterized in that the drilling rig arrangement further comprises a tensioning mechanism (60), which tensioning mechanism (60) is arranged at one side of the rig (10) for tensioning a cable.