CN214498955U

CN214498955U - Floating type clamping shackle device

Info

Publication number: CN214498955U
Application number: CN202023319718.7U
Authority: CN
Inventors: 朱伟; 张立峰; 夏梦
Original assignee: Wuxi Anman Construction Machinery Co ltd
Current assignee: Wuxi Anman Construction Machinery Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-26
Anticipated expiration: 2030-12-31

Abstract

A floating type clamping and shackle device is characterized in that a clamp and a shackle device are sequentially arranged at the front end of a guide rail of a mast, the clamp is fixed on the mast through a fastener, the shackle device is in clearance sliding fit with the guide rail through a sliding assembly, a fixing plate is arranged on the side surface of the mast, the shackle device is provided with a baffle plate, an elastic body is arranged between the fixing plate and the baffle plate, after the shackle device extrudes the elastic body, the elastic recovery of the elastic body enables the shackle device to slide and reset, the sliding component of the shackle device in the utility model can slide freely to absorb and contain the axial displacement generated by the second drill rod, and when facing the drill rod with longer thread length, the baffle plate of the shackle device contacts and extrudes the elastic body to deform the elastic body, thereby the elastomer can kick-back and make the break-out device slide and reset and continue the rotatory second drilling rod of centre gripping, until first drilling rod and second drilling rod separate completely, dismantle hard when avoiding loading and unloading the drilling rod and cause drilling rod connecting thread or slips to damage.

Description

Floating type clamping shackle device

Technical Field

The utility model belongs to the technical field of drilling equipment technique and specifically relates to a floating centre gripping ware of breaking out.

Background

The drilling machine is a mechanical device which drives a drilling tool to drill underground to obtain real geological data in exploration or mineral resource development. When a drilling machine carries out construction operation, drill rods need to be frequently assembled and disassembled, an existing drill rod clamping and disassembling device is usually screwed and fixed at the front end of a mast of the drilling machine through nuts and bolts, the drill rods are connected through threads, a first drill rod is fixed through slips of a clamping device, a second drill rod is fixed through slips of a disassembling device and swings to rotate the second drill rod, however, when the second drill rod is disassembled, the second drill rod can generate displacement, and the disassembling device cannot absorb the displacement of the second drill rod due to the fact that the disassembling device is fixed on the mast, so that the second drill rod can be disassembled only through hard disassembling, connection threads of the drill rods at two ends of the drill rod are damaged or the slips of the disassembling device are damaged, normal operation of the drilling machine is influenced, and construction operation cost is increased; because the length of the drill rod threads with different sizes is different, some shackles can not completely disassemble the drill rod after being disassembled once, and the shackles can not slide, reset and continuously swing to disassemble, so that the damage of the drill rod connecting threads or the damage of shackles slips can still be caused.

SUMMERY OF THE UTILITY MODEL

The applicant aims at the defects that the conventional holder cannot absorb the displacement of a contained drill rod or cannot self-adaptively slide and reset on a mast so as to cause damage to drill rod connecting threads at two ends of the drill rod or damage to slips of a shackle device and the like, and provides a floating type clamping shackle device which has long service life and axial freedom on the mast, so that damage to the drill rod connecting threads or slips caused by hard disassembly during the loading and unloading of the drill rod can be avoided.

In order to achieve the technical purpose, the utility model provides a following technical scheme and produce following beneficial effect:

the utility model provides a floating centre gripping shackle ware, the guide rail front end of mast has set gradually holder and shackle ware, and the holder passes through the fastener to be fixed on the mast, and the shackle ware passes through slip subassembly and guide rail clearance slidable cooperation, and the mast side is equipped with the fixed plate, and the shackle ware is provided with the baffle, and the elastomer setting is between fixed plate and baffle, and behind the shackle ware extrusion elastomer, the elastomer elasticity resumes to make the shackle ware slide and reset.

The utility model discloses the sliding assembly slidable of well shackle ware holds the axial displacement that the second drilling rod produced in order to absorb, and when facing the longer drilling rod of thread length, the baffle contact of shackle ware and extrusion elastomer make it warp to the elastomer can kick-back makes the shackle ware slide and reset and continue the rotatory second drilling rod of centre gripping, separates completely until first drilling rod and second drilling rod, to the floating centre gripping shackle ware that causes drilling rod connecting thread damage and avoid the shackle ware slips to damage when avoiding loading and unloading the drilling rod.

Then, when the second slip 21 of the shackler 2 releases the second drill rod 10 and swings back to the right, the elastic body 6 rebounds and applies elastic force to the baffle 27 to enable the baffle 27 to slide leftwards along the pin 7, so that the sliding assembly 26 of the shackler 2 slides leftwards to reset, then the second slip 21 continues to clamp the second drill rod 10, and at the moment, the second drill rod 10 can be rotated by applying small torsional force until the first drill rod 9 is completely separated from the second drill rod 10.

As a further improvement of the above technical solution:

the sliding assembly comprises C-shaped sliding blocks on two sides and rollers arranged in sliding grooves of the sliding blocks.

The cross-section of the guide rail of the mast is rectangular, and the sliding groove of the sliding block is clamped on the guide rail.

The utility model discloses a spout card of slider is on the guide rail, thereby slides on the guide rail through the rotation of gyro wheel in the spout, can absorb the displacement that holds the second drilling rod and receive the elastic force slip to reset.

The baffle is fixed at the bottom of the sliding assembly of the shackle device and corresponds to the fixed plate fixed on the side surface of the mast, and an elastic body is arranged between the fixed plate and the baffle.

The center of one side of the baffle is provided with a first pin hole, and the fixing plate is provided with a second pin hole.

The baffle, the elastic body and the fixing plate sequentially penetrate through the first pin hole of the baffle, and the second pin hole of the elastic body and the fixing plate through the pin shaft to be connected.

The utility model discloses a baffle, elastomer and fixed plate are through round pin hub connection, and the round pin axle still plays certain guide effect when playing fixed connection effect, at the in-process of dismantling the second drilling rod, thereby second drilling rod screw thread rotation moves right and drives the ware of breaking out and slide right, and the baffle slides right along the round pin axle and extrudees the elastomer and make it warp this moment, and after the second slips loosened the second drilling rod, the elastomer kick-backs and promotes the baffle and slides left along the round pin axle.

And C-shaped first limiting blocks and second limiting blocks are fixedly arranged on the two sides of the shackle device on the guide rails through fasteners.

The distance between the first limiting block and the second limiting block is larger than the length of the sliding assembly of the shackle device.

The utility model discloses a thereby fix two stoppers on the guide rail and restricted the biggest sliding distance of break-out ware, make it be unlikely to slide too far under the drive of the rotatory backset of second drilling rod.

The gripper and the shackle device are respectively provided with a first support and a second support which are symmetrical along the central longitudinal axis of the cross section of the mast, the left end and the right end in the first support and the second support are respectively provided with two first oil cylinders and two second oil cylinders symmetrically, and the top ends of piston rods of the first oil cylinders and the second oil cylinders are respectively provided with a first slip and a second slip.

The utility model discloses a thereby holder and break out ware realize pressing from both sides tightly or loosen the drilling rod through first hydro-cylinder and the first slips of second hydro-cylinder horizontal push and second slips respectively.

The lower ends of the two sides of a second support of the shackle device are connected with third oil cylinders, and the center of the lower side of the second support is provided with an arc-shaped swing guide rail.

The utility model discloses a shackle ware swings in order to drive second drilling rod screw thread rotation along arc swing guide under the promotion of third hydro-cylinder, makes second drilling rod and first drilling rod separation, loosens behind the second drilling rod, and the shackle ware swings along swing guide and returns just.

Drawings

Fig. 1 is a sectional view of the shackle device of the present invention.

Fig. 2 is an enlarged view of a in fig. 1.

Fig. 3 is a cross-sectional view of B-B in fig. 1.

Fig. 4 is a cross-sectional view of C-C in fig. 3.

Fig. 5 is a top view of the present invention.

Fig. 6 is a sectional view of the holder of the present invention.

In the figure: 1. a holder; 11. a first slip; 12. a first cylinder; 13. a first bracket; 2. a shackle device; 21. a second slip; 22. a second cylinder; 23. a second bracket; 24. a swing guide rail; 25. a third oil cylinder; 26. a sliding assembly; 261. a slider; 262. a chute; 27. a baffle plate; 271. a first pin hole; 3. a first stopper; 4. a second limiting block; 5. a mast; 51. a guide rail; 6. an elastomer; 7. a pin shaft; 8. a fixing plate; 81. a second pin hole; 9. a first drill rod; 10. a second drill pipe.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1, 4 and 5, a gripper 1 and a shackler 2 are sequentially arranged at the front end of a mast 5, the gripper 1 grips a first drill rod 9 of drill rods, the shackler 2 grips a second drill rod 10, and the first drill rod 9 is in threaded connection with the second drill rod 10; the clamp holder 1 is screwed and fixed on the mast 5 through bolts and nuts, the shackle device 2 is slidably arranged on a guide rail 51 of the mast 5, a C-shaped first limiting block 3 and a C-shaped second limiting block 4 are arranged on two sides of the shackle device 2, the first limiting block 3 and the second limiting block 4 are fixed on the guide rail 51 through fasteners, and the first limiting block 3 is arranged close to the clamp holder 1.

As shown in fig. 6, symmetrical first brackets 13 are arranged on the gripper 1 along the central longitudinal axis of the cross section of the mast 5, two first oil cylinders 12 are respectively and symmetrically arranged at the left end and the right end in the first brackets 13, first slips 11 are arranged at the top ends of piston rods of the first oil cylinders 12, and the two first slips 11 are gathered and clamp the first drill rod 9 under the pushing of the first oil cylinders 12.

As shown in fig. 1, 3 and 4, symmetrical second brackets 23 are arranged on the shackle device 2 along the central longitudinal axis of the cross section of the mast 5, two second oil cylinders 22 are respectively and symmetrically arranged at the left end and the right end in the second brackets 23, the top ends of the piston rods of the second oil cylinders 22 are provided with second slips 21, and under the pushing of the second oil cylinders 22, the two second slips 21 are gathered and clamp the second drill rod 10 or are separated and loosen the second drill rod 10; the lower ends of the two sides of the second bracket 23 of the shackle device 2 are connected with third oil cylinders 25, the center of the lower side of the second bracket 23 is provided with an arc-shaped swing guide rail 24, the shackle device 2 swings along the swing guide rail 24 in a small range under the pushing of the third oil cylinders 25, and therefore the second drill rod 10 rotates in a threaded manner and is separated from the first drill rod 9; the lower end of the second bracket 23 of the shackle device 2 is provided with a sliding assembly 26, the sliding assembly 26 comprises C-shaped sliding blocks 261 on two sides and rollers (not shown in the figure) arranged in sliding grooves 262 of the sliding blocks 261, the section of a guide rail 51 of the mast 5 is rectangular, the guide rail 51 is clamped in the sliding grooves 262, so that the sliding assembly 26 is tightly matched with the guide rail 51, the sliding assembly 26 can slide on the guide rail 51 between a first limiting block 3 and a second limiting block 4, and the situation that only the second drill rod 10 can be dismounted firmly due to the incapability of sliding and resetting of the shackle device 2, the drill rod is damaged or the threads at the joint of two sleeves are damaged is prevented, and meanwhile, the first limiting block 3 and the second limiting block 4 limit the maximum sliding distance of the shackle device 2, so that the shackle device is not too far to slide under the driving of the rotation and retreating of the second drill rod 10; as shown in fig. 1 and 2, a baffle plate 27 is arranged at the center of the bottom of a sliding block 261 of a sliding assembly 26, one side of the baffle plate 27 is fixed with the sliding assembly 26 through a fastener, the center of the other side is provided with a first pin hole 271, a fixing plate 8 is fixed on the side surface of a mast 5 through a fastener, the fixing plate 8 is arranged corresponding to the baffle plate 27, an elastic body 6 is arranged between the fixing plate 8 and the baffle plate 27, a second pin hole 81 is arranged at the center of one side of the fixing plate 8, the baffle plate 27, the elastic body 6 and the fixing plate 8 sequentially penetrate through the first pin hole 271 of the baffle plate 27, the elastic body 6 and the second pin hole 81 of the fixing plate 8 through a pin 7, and the pin 7 plays a certain guiding role, during the process of disassembling the second drill rod 10, the second drill rod 10 is rotated in a threaded manner and moved rightwards to drive the shackle 2 to slide, at the moment, the baffle plate 27 slides rightwards along the pin 7 and presses the elastic body 6 to deform, after the second slip 21 loosens the second drill rod 10, the elastic body 6 rebounds and pushes the baffle 27 to slide leftwards along the pin shaft 7, so that the shackle device 2 is driven to reset to continuously clamp and rotate the second drill rod 10 until the second drill rod 10 is completely separated from the first drill rod 9.

In practical use, the first slip 11 of the holder 1 is pushed by the first cylinder 12 to gather and hold the first drill rod 9 holding the drill rod, the second slip 21 of the shackle 2 is pushed by the second cylinder 22 to gather and hold the second drill rod 10 holding the drill rod, then the shackle 2 is pushed by the third cylinder 25 to swing along the arc-shaped swing guide rail 24, the swing angle is about 15 degrees, the shackle 2 applies a large torsional force to the second drill rod 10, the second drill rod 10 rotates in a threaded manner and is screwed out of the first drill rod 9 and retreats for a certain distance, the sliding assembly 26 of the shackle 2 is driven by the second drill rod 10 to slide rightwards along the guide rail 51, the baffle 27 of the shackle 2 presses the elastic body 6 rightwards to deform, and then, while the second slip 21 of the shackle 2 releases the second drill rod 10 and swings back, the elastic body 6 rebounds and applies an elastic force to the baffle 27 to slide leftwards along the pin 7, so that the slide assembly 26 of the shackle 2 is slid to the left to reset and then the second slips 21 continue to grip the second drill pipe 10, at which point the second drill pipe 10 can be rotated with only a small amount of torque applied until the first drill pipe 9 is fully separated from the second drill pipe 10.

The above description is illustrative of the present invention and is not intended to limit the present invention, and the present invention may be modified in any manner without departing from the spirit of the present invention.

Claims

1. The utility model provides a floating centre gripping shackle ware, guide rail (51) front end of mast (5) has set gradually holder (1) and shackle ware (2), and holder (1) is fixed on mast (5) through the fastener, its characterized in that: the shackle device (2) is in clearance slidable fit with the guide rail (51) through the sliding assembly (26), the fixing plate (8) is arranged on the side face of the mast (5), the baffle (27) is arranged on the shackle device (2), the elastic body (6) is arranged between the fixing plate (8) and the baffle (27), and after the elastic body (6) is extruded by the shackle device (2), the elastic body (6) is recovered to enable the shackle device (2) to slide and reset.

2. A floating grip shackle device as defined by claim 1, wherein: the sliding assembly (26) comprises C-shaped sliding blocks (261) on two sides and rollers arranged in sliding grooves (262) of the sliding blocks (261).

3. A floating grip shackle device as defined by claim 2, wherein: the section of the guide rail (51) of the mast (5) is rectangular, and the sliding groove (262) of the sliding block (261) is clamped on the guide rail (51).

4. A floating grip shackle device as defined by claim 1, wherein: the baffle (27) is fixed at the bottom of the sliding component (26) of the shackle device (2) and corresponds to the position of the fixed plate (8) fixed on the side surface of the mast (5), and an elastic body (6) is arranged between the fixed plate (8) and the baffle (27).

5. A floating grip shackle device as defined by claim 4, wherein: a first pin hole (271) is arranged in the center of one side of the baffle plate (27), and a second pin hole (81) is arranged on the fixing plate (8).

6. A floating grip shackle device as defined by claim 5, wherein: the baffle plate (27), the elastic body (6) and the fixing plate (8) sequentially penetrate through a first pin hole (271) of the baffle plate (27), the elastic body (6) and a second pin hole (81) of the fixing plate (8) through a pin shaft (7) to be connected.

7. A floating grip shackle device as defined by claim 1, wherein: the first limiting block (3) and the second limiting block (4) of a C shape are fixedly arranged on the guide rail (51) at two sides of the shackle device (2) through fasteners.

8. A floating grip shackle device as defined by claim 7, wherein: the distance between the first limiting block (3) and the second limiting block (4) is larger than the length of the sliding component (26) of the shackle device (2).

9. A floating grip shackle device as defined by claim 1, wherein: the gripper (1) and the shackle device (2) are respectively provided with a first support (13) and a second support (23) which are symmetrical along the central longitudinal axis of the cross section of the mast (5), two first oil cylinders (12) and two second oil cylinders (22) are respectively symmetrically arranged at the left end and the right end in the first support (13) and the second support (23), and the top ends of piston rods of the first oil cylinders (12) and the second oil cylinders (22) are respectively provided with a first slip (11) and a second slip (21).

10. A floating grip shackle device as defined by claim 9, wherein: the lower ends of the two sides of a second support (23) of the shackle device (2) are connected with third oil cylinders (25), and the center of the lower side of the second support (23) is provided with an arc-shaped swing guide rail (24).