CN211219490U

CN211219490U - Impactor dismounting device

Info

Publication number: CN211219490U
Application number: CN201922115312.8U
Authority: CN
Inventors: 董全文; 张飞; 李淑梅; 董彩霞
Original assignee: XUANHUA SUPERMAN DTH MACHINERY CO Ltd
Current assignee: XUANHUA SUPERMAN DTH MACHINERY CO Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-08-11
Anticipated expiration: 2029-11-29

Abstract

The utility model provides an impacter dismounting device belongs to transportation equipment technical field, and impacter dismounting device includes: support platform, fastener, thrust subassembly and fixture. The support table is used for placing the impactor; the fastening device is arranged on the supporting table and used for fixing the cylinder body of the impactor. The bottom of the thrust assembly is hinged on the supporting platform. One side of the clamping mechanism is hinged with the top of the thrust assembly, and the other side of the clamping mechanism is fixedly connected with the top of the thrust assembly through a fastener; the clamping mechanism is used for clamping and fixing the joint part of the impactor. The clamping mechanism drives the joint part to rotate by means of the thrust assembly. The utility model provides an impacter dismounting device, used part is less, and the structure is comparatively simple.

Description

Impactor dismounting device

Technical Field

The utility model belongs to the technical field of transportation equipment, more specifically say, relate to an impacter dismounting device.

Background

The working body of the down-the-hole drill for rock drilling is a hammer. Impactors can be broadly divided into cylinders, joints and drill bits. The joint part is in threaded connection with the cylinder body, and the joint part is detached firstly when the drill bit needs to be replaced. It is often necessary to replace the drill bit of the hammer and the internal parts of the hammer during operation of the down-the-hole drill, and to perform regular maintenance and service on the hammer after it has been in use for a period of time. Therefore, the impactor disassembling device is required to disassemble the impactor, but the existing disassembling device has more parts and a complex structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an impacter dismounting device aims at solving the complicated problem of impacter dismounting device structure.

In order to achieve the above object, the utility model adopts the following technical scheme: providing an impactor removal device comprising:

the support table is used for placing the impactor;

the fastening device is arranged on the support table and is used for fixing the cylinder body of the impactor;

the bottom of the thrust assembly is hinged to the support platform; and

one side of the clamping mechanism is hinged with the top of the thrust assembly, and the other side of the clamping mechanism is fixedly connected with the top of the thrust assembly through a fastener; the clamping mechanism is used for clamping and fixing the joint part of the impactor;

the clamping mechanism drives the joint part to rotate by means of the thrust assembly.

As another embodiment of the present application, the clamping mechanism includes:

a first clamping member; and

one end of the second clamping piece is hinged with the first clamping piece, and the other end of the second clamping piece is fixedly connected with the first clamping piece through the fastening piece; and the second clamping piece is provided with a connecting part, and the connecting part is hinged with the thrust assembly.

As another embodiment of the present application, the thrust assembly includes:

one end of the thruster is hinged on the support platform; and

one end of the force transmission piece is hinged with the other end of the thruster, and the other end of the force transmission piece is hinged on the connecting part.

As another embodiment of the present application, anti-slip pads are fixed on inner walls of the first clamping member and the second clamping member, and the anti-slip pads are used for increasing friction force between the corresponding first clamping member and the joint portion and between the corresponding second clamping member and the joint portion.

As another embodiment of the present application, the inner walls of the first clamping member and the second clamping member are enclosed to form a cavity for clamping and fixing the joint, and the size of the cavity is changed by the fastening member for each of the first clamping member and the second clamping member.

As another embodiment of the present application, the fastening device includes:

one end of the clamping piece is hinged to one side of the supporting platform; and

one end of the connecting piece is hinged to the other side of the supporting platform; the other end of the connecting piece is detachably connected with the other end of the clamping piece;

the clamping piece is used for abutting against the cylinder body through the connecting piece.

As another embodiment of the application, a clamping table is fixed on the supporting table, and the clamping table is hinged with the clamping piece and the connecting piece respectively; the clamping table is provided with a groove for supporting a cylinder body of the impactor; the groove is used for being matched with the clamping piece and the connecting piece to fix the cylinder body.

As another embodiment of the present application, the impactor removing device further includes: a detection component; the detection assembly is used for detecting the impact force and the striking frequency of the impactor.

As another embodiment of the present application, the detection assembly includes:

one end of the supporting rod is clamped on the supporting platform;

the detection frame is clamped on the support table and is fixedly connected with the other end of the support rod;

the displacement sensor is fixed on the detection frame and used for detecting the striking frequency of the impactor;

the pressure sensors are fixed on one side surface, facing the first clamping piece, of the detection frame; and

and the force transmission piece is fixed on the pressure sensors and is used for transmitting the impact force of the impactor to the pressure sensors.

As another embodiment of the application, a clamping groove clamped with the detection frame is formed in the support table; the supporting table is provided with a positioning groove clamped with the supporting rod.

The utility model provides an impactor dismounting device has beneficial effect to lie in, compares with prior art, the utility model discloses at first fix the cylinder body part of impacter by fastener among the impactor dismounting device. The support table is hinged with a thrust assembly, one side of the clamping mechanism is hinged with the thrust assembly, the clamping mechanism is placed on the outer side of the connector portion of the impactor, and the clamping mechanism is clamped and fixed on the connector portion through a fastener. The clamping mechanism can generate acting force rotating around the joint part through the action of the thrust assembly, and the joint part is driven to rotate by the friction force between the clamping mechanism and the joint part through the acting force. The dismounting device designed by the application has fewer used parts and simpler structure.

Drawings

Fig. 1 is a front view of a fastening device and a clamping mechanism provided in embodiment 1 of the present invention;

fig. 2 is a rear view of the fastening device and the clamping mechanism provided in embodiment 1 of the present invention;

fig. 3 is a schematic view of the fastening device, the clamping mechanism, the detection frame and the supporting platform provided in embodiment 2 of the present invention;

FIG. 4 is a sectional view taken along line A-A of FIG. 3;

fig. 5 is a schematic view of the connection between the detection frame and the force transmission member provided in embodiment 1 of the present invention;

fig. 6 is a schematic view of a connection between a clamping shaft and a clamping member provided in embodiment 2 of the present invention;

fig. 7 is a schematic structural view of a retainer provided in embodiment 1 of the present invention;

fig. 8 is a schematic structural view of a first clamping member provided in embodiment 1 of the present invention.

In the figure: 1. a support table; 2. a fastening device; 201. a retainer; 202. a connecting member; 203. fastening a nut; 203. clamping the shaft; 204. a communicating hole; 3. a first clamping member; 301. a through hole; 302. a bending section; 4. a second clamping member; 5. a thrust assembly; 501. a thruster; 502. a force transfer member; 6. clamping a platform; 7. a fastener; 8. an impactor; 801. a joint portion; 802. a cylinder body; 9. a displacement sensor; 10. detecting a frame; 11. a force transfer member; 12. a pressure sensor; 13. a support bar; 14. a card slot; 15. positioning a groove; 16. a connecting portion; 17. a non-slip mat; 18. a cavity.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 2, the dismounting device for the impactor in accordance with the present invention will now be described. Impactor dismounting device includes: support platform 1, fastener 2, thrust subassembly 5 and fixture. The support table 1 is used for placing the impactor 8. The fastening device 2 is mounted on the support table 1 for fixing the cylinder 802 of the impactor 8. The bottom of the thrust assembly 5 is hinged on the support table 1; one side of the clamping mechanism is hinged with the top of the thrust assembly 5, and the other side of the clamping mechanism is fixedly connected with the top of the thrust assembly through a fastener 7; the clamping mechanism is used for clamping and fixing the joint part 801 of the impactor 8. The clamping mechanism drives the joint part 801 to rotate by means of the thrust assembly 5.

The utility model provides an impactor dismounting device has beneficial effect to lie in, compares with prior art, the utility model discloses at first fix the cylinder body 802 part of impacter 8 by fastener 2 among the impactor dismounting device. A thrust assembly 5 is hinged on the support table 1, one side of the clamping mechanism is hinged with the thrust assembly 5, then the clamping mechanism is placed on the outer side of the joint part 801 of the impactor 8, and the clamping mechanism is clamped and fixed on the joint part 801 through a fastener 7. The clamping mechanism can generate acting force rotating around the joint part 801 through the action of the thrust assembly 5, and the clamping mechanism drives the joint part 801 to rotate through the friction force with the joint part 801 through the acting force. The dismounting device designed by the application has fewer used parts and simpler structure.

As a specific embodiment of the utility model provides an impacter dismounting device, please refer to fig. 1, fixture includes: a first clamp 3 and a second clamp 4. One end of the second clamping piece 4 is hinged with the first clamping piece 3, and the other end of the second clamping piece is fixedly connected with the first clamping piece 3 through a fastening piece 7; the second clamping piece 4 is provided with a connecting part 16, and the connecting part 16 is hinged with the thrust assembly 5. When the thrust assembly 5 is operated, the thrust of the thrust assembly 5 is transmitted to the joint portion 801 through the second clamping member 4 and the first clamping frame. The first clamping member 3 and the second clamping member 4 are both bent members having grooves, and the grooves formed on the inner walls of the first clamping member 3 and the second clamping member 4 form a cavity for clamping the joint portion 801. A connecting part 16 is arranged on the second clamping piece 4, and the connecting part 16 is hinged with the thrust assembly 5, so that the force transmission of the thrust assembly 5 is facilitated. One end of the second clamping piece 4 is hinged to the first clamping piece 3, and the other end of the second clamping piece 4 penetrates through the first clamping piece 3. First, the thrust assembly 5 is hinged at the connecting portion 16 passing over the second clamping member 4, and the first clamping member 3 is hinged at one end of the second clamping member 4 close to the hinge shaft for thrust drilling, and the first clamping member 3 and the second clamping member 4 are arranged outside the joint portion 801. The end of the second clamping member 4 facing away from the thrust assembly 5 extends through the first clamping member 3 and a fastener 7 is screwed to the end of the second clamping member 4. The fastener 7 may be a nut. During the nut tightening process, the first and

second clamping members

3 and 4 clamp the joint portion 801 of the impactor 8.

As a specific embodiment of the utility model provides an impactor dismounting device, please refer to fig. 1, thrust assembly 5 includes: a thruster 501 and a force transfer member 502. One end of the thruster 501 is hinged on the support table 1; one end of the force transmission piece 502 is hinged with the other end of the thruster 501, and the other end of the force transmission piece 502 is hinged on the connecting part 16. The thruster 501 may be a hydraulic cylinder or an air cylinder. The force transmission member 502 may be a device for connecting the thruster 501 and the second clamping member 4, and the force transmission member 502 may be a support lug, which is used to stabilize the acting force of the thruster 501 on the connecting portion 16, and to enable the second clamping frame and the first clamping member 3 to generate an acting force rotating around the joint head 801, thereby ensuring that the force can be effectively transmitted when the thruster 501 operates.

As a specific embodiment of the utility model, please refer to fig. 1 and 4, the inner walls of the first clamping member 3 and the second clamping member 4 are fixed with the anti-slip mat 17, and the anti-slip mat 17 is used to increase the friction force between the corresponding first clamping member 3 and the joint 801 and the friction force between the corresponding second clamping member 4 and the joint 801. By fixing the anti-slip pads 17 on the first clamping piece 3 and the second clamping piece 4, the friction force between the first clamping piece 3 and the joint part 801 and the friction force between the second clamping piece 4 and the joint part 801 are increased, so that the joint part 801 can be driven to rotate more stably under the action of the thrust assembly 5. After the joint part 801 and the cylinder body 802 rotate by a certain angle, the clamping mechanism is disassembled, and the subsequent disassembly is completed manually. A bent part 302 is arranged at the fixed connection part of the first clamping piece 3 and the second clamping piece 4; the curved portion 302 serves to clamp the fastener 7 in place. The opening direction of the curved portion 302 is set away from the thrust assembly 5; the fastening element 7 abuts on the side of the curved portion 302 facing away from the thrust unit 5. The first clamping part 3 and the second clamping part 4 clamp the joint part 801 of the impactor 8, since the thrust direction of the thrust assembly 5 is arranged away from the screwing part.

As a specific embodiment of the utility model, please refer to fig. 1, the inner walls of the first clamping member 3 and the second clamping member 4 enclose the cavity that is designed into the clamping fixed joint 801, and the first clamping member 3 and the second clamping member 4 are all in the same size of the cavity of the fastening member 7. Through the position of adjustment fastener 7, change first holder 3 and second holder 4 inner wall and enclose the size of establishing the cavity, can use with the impacter 8 of different overall dimension, improved the application scope of this device. In order to ensure a stable position between the tightening element and the first clamping element 3, a curved portion 302 is provided on the first clamping element 3, the curved portion 302 is used for holding the tightening element, and the opening direction of the curved portion 302 is arranged away from the thrust unit 5, and the tightening element abuts on a side of the curved portion 302 facing away from the thrust unit 5. When the thrust assembly 5 is operated, the tightening part is always abutted against the bending part 302, and the tightening part is prevented from slipping off the bending part 302. The bending portion 302 is provided with a through hole 301, and one end of the second clamping member 4 penetrates through the through hole 301 and is fixedly connected through a fastening member 7. The fastening member 7 is a screw member, and the end of the second clamping member 4 is screwed with the screw member.

As a specific embodiment of the utility model, please refer to fig. 2 and 8, the fastening device 2 includes: a clamping member 201 and a connecting member 202. One end of the clamping piece 201 is hinged on one side of the supporting platform 1; one end of the connecting piece 202 is hinged on the other side of the support table 1; the other end of the connecting piece 202 is fixedly connected with the other end of the clamping piece 201; the clamping part 201 is intended to abut against the cylinder 802 by means of the connecting part 202. The other end of the connecting piece 202 penetrates through the clamping piece 201 and is fixed through a nut; the support table 1, the clamping member 201 and the connecting member 202 form a fixing chamber for fixing the cylinder body 802. One end of the clamping piece 201 is hinged on the clamping platform 6, and the other end is fixedly connected with the connecting piece 202 through a fastening nut 203. The cylinder body 802 is fixed to the chuck 6 by tightening the fixing fastening nut 203 with the connector 202. Since the size of the impactor 8 is different, in order to improve the practicability of the dismounting device, after the impactor 8 is put on the support table 1, the clamping member 201 and the connecting member 202 are swung, and the clamping member 201 and the connecting member 202 are fixed through nuts. One end of the connection member 202 penetrates the clamping member 201 and is provided with an external thread to be screw-coupled with the nut. The cylinder 802 of the impactor 8 can be fixed to the support table 1 by tightening the nut. When the impactor 8 needs to be taken out, the nut is loosened.

As a specific embodiment of the dismounting device for the impactor provided by the present invention, please refer to fig. 2, a clamping table 6 is fixed on the supporting table 1, and the clamping table 6 is hinged with the clamping member 201 and the connecting member 202 respectively; a groove for supporting a cylinder body 802 of the impactor 8 is formed in the clamping table 6; the groove is used for matching with the clamping piece 201 and the connecting piece 202 to fix the cylinder body 802. A clamping table 6 is fixed on the supporting table 1, the clamping table 6 is vertically fixed on the supporting table 1, and the clamping table 6 is of a V-shaped structure and is used for supporting a cylinder body 802 of the impactor 8. When the cylinder 802 of the impactor 8 is placed on the chuck table 6, the cylinder 802 is finally fixed firmly by the clamping member 201 and the connecting member 202.

As a specific embodiment of the utility model, please refer to fig. 3 and 5, the impactor detaching device further includes: a detection component; the detection assembly is used to detect the pressure and the impact frequency of the impactor 8. After the maintenance of the impactor 8 is completed, the performance of the impactor 8 needs to be tested before the impactor 8 is applied to field construction. The maintenance of the impactor 8 requires unscrewing the joint 801 from the cylinder 802, and after the inside of the impactor 8 is inspected, the joint 801 is reattached to the cylinder 802. The joint 801 is provided with a drill, and the performance of the impactor 8 is measured by measuring the impact force and the striking frequency of the drill.

In the present invention, please refer to fig. 6 and 7, a cavity 18 is formed on the clamping table 6, a clamping shaft 203 is fixed at one end of the clamping member 201 away from the connecting member 202, and an avoiding groove is formed in the clamping shaft 203. The clamping table is provided with a concave cavity 18, the part of the clamping table positioned on the concave cavity 18 can be regarded as a convex part, the convex part is arranged in the avoiding groove in a penetrating way, and the clamping shaft 203 is in rotary butt joint in the concave cavity. When it is desired to disassemble the cylinder, the fastening nut 203 is loosened until the bayonet shaft 203 can be removed from the cavity 18. When the cylinder body 802 needs to be fixed, the clamping shaft 203 is firstly put into the cavity 18, and the fastening nut 203 is tightened until the clamping shaft 203 fixes the cylinder body 802 on the clamping table 6. Due to the clamping shaft 203 and the concave cavity 18, the clamping piece 201 can be conveniently mounted and dismounted, at the moment, the cylinder body can be replaced without taking the fastening nut 203 out of the connecting piece 202, and the working efficiency is improved.

As a specific embodiment of the utility model, please refer to fig. 3 to 5 together, the detecting component includes: a support rod 13, a detection frame 10, a displacement sensor 9, a plurality of pressure sensors 12 and a force transmission piece 11. One end of the support rod 13 is clamped on the support table 1; the detection frame 10 is clamped on the support table 1, and the detection frame 10 is fixedly connected with the other end of the support rod 13. The displacement sensor 9 is fixed to the detection frame 10 and detects the striking frequency of the striker 8. A plurality of pressure sensors 12 are fixed to a side of the detection frame 10 facing the first clamp 3. The force-transmitting member 11 is secured to a plurality of pressure sensors 12 for transmitting the impact force of the impactor 8 to the pressure sensors 12. The detection frame 10 is a rigid member, and the detection frame 10 is located between the support rod 13 and the second clamping member 4. The displacement sensor 9 is fixed on the top of the detection frame 10 facing the second clamping member 4. The pressure sensor 12 is arranged on the same side as the displacement sensor 9. The pressure sensors 12 are plural and arranged evenly and at a certain distance. One side surface of the displacement sensor 9 is fixed on the detection frame 10, and the other side surface is fixed with the force transmission piece 11. The force transmission element 11 is adapted to contact the drill bit of the impactor 8 and to transmit the impact force of the impactor 8 to the pressure sensor 12. The inspection frame 10 and the fastening means 2 are distributed on both sides of the second clamping member 4. In order to be able to carry out an accurate test of the striker 8, the detection frame 10 and the fastening device 2 are arranged on the same axis. When needs detect, will detect that the frame 10 puts and the joint is on a supporting bench 1, will detect after the detection is accomplished that the frame 10 takes off from a supporting bench 1 can.

As a specific embodiment of the impactor detaching device provided by the present invention, please refer to fig. 4, a slot 14 engaged with the detecting frame 10 is formed on the supporting table 1; the support table 1 is provided with a positioning groove 15 which is clamped with the support rod 13. Firstly, a clamping groove 14 and a positioning groove 15 are arranged at corresponding positions of the support table 1. Put into draw-in groove 14 with determine module, make determine module can the joint in draw-in groove 14, because the impact force of impacter 8 is great, set up bracing

piece

13, 13 one end of bracing piece is located constant head tank 15, and the other end is fixed on determine module to guarantee the stability of determine module position when detecting. When the interior of the impactor 8 needs to be overhauled, the detection assembly is taken out of the clamping groove 14, and a space is provided for an operator. When the performance of the impactor 8 needs to be detected, the detection assembly is placed in and fixed. Compared with the method for arranging the impacter 8 to be detached and the impacter 8 to be overhauled in the market, the arranging method reduces the working procedures and improves the overhauling efficiency of the impacter 8.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Impacter dismounting device, its characterized in that includes:

the support table is used for placing the impactor;

the bottom of the thrust assembly is hinged to the support platform; and

2. The impactor removal device as defined in claim 1, wherein the clamping mechanism includes:

a first clamping member; and

3. The impactor removal device as defined in claim 2, wherein the thrust assembly includes:

one end of the thruster is hinged on the support platform; and

4. The impactor removal device as defined in claim 2, wherein anti-slip pads are secured to inner walls of the first and second clamping members, the anti-slip pads being configured to increase friction between the respective first and second clamping members and the head portion.

5. The impactor removal device as defined in claim 2, wherein the inner walls of said first and second retaining members define a cavity for retaining said head portion, and wherein said first and second retaining members each vary the size of said cavity by means of said fastener.

6. The impactor removal device as defined in claim 1, wherein the fastening device includes:

7. The impactor removing device according to claim 6, wherein a clamping table is fixed to the support table, and the clamping table is hinged to the clamping member and the connecting member respectively; the clamping table is provided with a groove for supporting a cylinder body of the impactor; the groove is used for being matched with the clamping piece and the connecting piece to fix the cylinder body.

8. The impactor removal device as defined in claim 2, wherein the impactor removal device further comprises: a detection component; the detection assembly is used for detecting the impact force and the striking frequency of the impactor.

9. The impactor removal device as defined in claim 8, wherein the detection assembly includes:

one end of the supporting rod is clamped on the supporting platform;

10. The impactor dismounting device according to claim 9, wherein the support platform is provided with a clamping groove clamped with the detection frame; the supporting table is provided with a positioning groove clamped with the supporting rod.