CN220806352U

CN220806352U - Clamp for mine dumbbell pin end anti-falling piece

Info

Publication number: CN220806352U
Application number: CN202321827767.2U
Authority: CN
Inventors: 向红明; 胡大成; 高有富; 杨金科
Original assignee: Ningxia Tiandi Benniu Industrial Group Co Ltd
Current assignee: Ningxia Tiandi Benniu Industrial Group Co Ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-04-19
Anticipated expiration: 2033-07-11

Abstract

The utility model provides a clamp of mining dumbbell round pin tip anticreep piece, the on-line screen storage device comprises a base, fixed subassembly and extrusion subassembly all set up the up end at the base, fixed subassembly sets up the accommodation space and is used for placing the anticreep piece, the accommodation space has the first inside wall and the fourth inside wall of slope 7, extrusion subassembly includes telescopic movable block, the movable block has the sixth inside wall and the fifth inside wall of slope 7, second inserted sheet of anticreep piece placed in fixed subassembly is extruded through the movable block, make the first inserted sheet of anticreep piece close to laminating at first inside wall and make the second inserted sheet close to laminating at the fourth inside wall simultaneously, because first inside wall and fourth inside wall are the setting of slope 7, make first inserted sheet after the laminating and second inserted sheet all perpendicular to the base, must make behind first inserted sheet and the second inserted sheet the base top of anticreep piece be in the horizontality, can promote the product qualification rate when adopting the drill bit to the basic drilling of horizontality again.

Description

Clamp for mine dumbbell pin end anti-falling piece

Technical Field

The utility model relates to the technical field of machining, in particular to a clamp for a mine dumbbell pin end anti-falling piece.

Background

The two sections of mining middle grooves are aligned and then are connected by adopting the dumbbell pins, in order to prevent the dumbbell pins from falling off from the mining middle grooves, two ends of the dumbbell pins are respectively provided with an anti-falling piece as shown in figure 1, the anti-falling piece can prevent the dumbbell pins from loosening from the middle grooves, in order to improve the structural strength of the anti-falling piece, the anti-falling piece is formed by forging a metal blank, the anti-falling piece comprises a rhombic base 1 and two inserting pieces 2, the two inserting pieces 2 are symmetrically arranged on two sides of the base 1, according to processing requirements, a hole needs to be drilled in the middle of the base 1, in the drilling process, the two inserting pieces 2 are clamped by a vice at first, then the top end of the base 1 is drilled by utilizing a lathe, as the clamped surface of the inserting pieces 2 has a die-stripping inclination of 7 degrees, the situation that the inserting pieces 2 are not perpendicular to the jaws easily occurs after the vice is clamped in the process of clamping, the drill bit of the lathe cannot be aligned with the center point of the upper end face of the base 1 even if the drill bit of the lathe is aligned with the center point of the upper end face of the base 1 due to the fact that the anti-falling piece is inclined integrally, in the process, and therefore the anti-falling rate of the anti-falling piece is reduced in the process of the finished product is caused in the process of forming the inclined anti-falling piece.

Disclosure of Invention

In view of the above, it is necessary to provide a clamp for a mine dumbbell pin end anti-falling piece, which can stably and vertically clamp the anti-falling piece and then accurately drill holes so as to improve the yield.

The utility model provides a mining dumbbell round pin tip anticreep anchor clamps, the on-line screen storage device comprises a base, fixed subassembly and extrusion subassembly all set up the up end at the base, fixed subassembly sets up the accommodation space and is used for placing the anticreep, the accommodation space has first inside wall and fourth inside wall, first inside wall and fourth inside wall symmetry set up in the both sides of accommodation space, first inside wall and fourth inside wall all slope 7 set up so as to laminate with the first inserted sheet of anticreep respectively, the second inserted sheet of anticreep, extrusion subassembly includes telescopic movable block, the movable block has fifth inside wall and sixth inside wall, the second of the second inserted sheet of fifth inside wall slope 7 and anticreep is laminated by the holding surface, sixth inside wall is laminated with the outer terminal surface of the second inserted sheet of anticreep, the second inserted sheet of anticreep that the movable block extrusion was placed in fixed subassembly after the movable block removes is fixed the anticreep in fixed subassembly.

Preferably, the fixing component comprises a first positioning block, a second positioning block and a third positioning block, wherein the first positioning block, the second positioning block and the third positioning block are all arranged on the upper end face of the base, the first positioning block is provided with a first inner side wall and a second inner side wall, the first inner side wall and the second inner side wall form an L shape, the first inner side wall inclines for 7 degrees and is attached to the clamped face of the first inserting piece of the anti-falling piece, the second inner side wall is attached to the outer end face of the first inserting piece of the anti-falling piece, the second positioning block is provided with a third inner side wall, the third inner side wall and the first inner side wall are arranged in a staggered mode, the third positioning block is provided with a fourth inner side wall, the fourth inner side wall inclines for 7 degrees and is attached to the first clamped face of the second inserting piece of the anti-falling piece, and the fourth inner side wall and the first inner side wall are mutually overlapped.

Preferably, the movable block is L-shaped.

Preferably, the extrusion assembly further comprises a fixing seat, a supporting arm, a first rotating member, a second rotating member, a pushing rod, a guide member and a rotating arm, wherein the fixing seat is arranged on the base, the fixing seat comprises a first fixing block and a second fixing block, the first fixing block and the second fixing block are connected to form an L shape, the first fixing block is provided with a fixing threaded hole, one end of the supporting arm is provided with an external thread and is arranged in the fixing threaded hole, the other end of the supporting arm is connected with the first end of the first rotating member through a first pin shaft, the second end of the first rotating member, the first end of the second rotating member and the first end of the rotating arm are connected through a second pin shaft, the second end of the second rotating member and the first end of the pushing rod are connected through a third pin shaft, the guide member is fixed on the base, the guide member is provided with a guide hole, the second end of the push rod passes through the guide hole and then is connected with the movable block through a fourth pin shaft, the rotating arm is connected with the second fixed block through a fifth pin shaft, the rotating arm is pressed to enable the rotating arm to rotate around the fifth pin shaft, the first end of the rotating arm pushes the second rotating piece to enable the second rotating piece to rotate around the third pin shaft after rotating towards the push rod, meanwhile, the first end of the rotating arm pulls the second end of the first rotating piece to rotate towards the push rod, the second rotating piece, the first rotating piece and the push rod are gradually arranged into a straight state from a bending state, the push rod slides along the guide hole under the common pushing of the first rotating piece, the second rotating piece and the first end of the rotating arm, the push rod pushes the movable block to slide along the base in the sliding process of the guide hole, and the movable block is gradually attached to the second inserting piece of the anti-drop piece and clamps the anti-drop piece in the fixed assembly in the sliding process of the movable block.

Preferably, a sleeve is arranged in the guide hole of the guide piece, the sleeve is sleeved on the pushing rod, and the pushing rod slides along the sleeve.

Preferably, the lower end face of the guide piece is provided with a convex block, the upper end face of the base is provided with a groove, the shape and the size of the groove are matched with those of the convex block, and the convex block is arranged in the groove.

Preferably, the lateral surface of movable block sets up the accommodation groove, sets up first bolt hole from the upside of movable block to the downside of movable block, and first bolt hole is linked together with the accommodation groove, and the second end front end department of catch bar sets up the second bolt hole, and the second end of catch bar stretches into in the accommodation groove and inserts in proper order in first bolt hole and the second bolt hole with the fourth bolt.

Preferably, the top end of the second positioning block is provided with a rotary buckling piece, and the buckling piece is provided with a guide hole.

Preferably, the guide hole is internally provided with a guide cylinder.

Compared with the prior art, the utility model has the beneficial effects that: the second inserting piece of the anti-falling piece placed in the fixed assembly is extruded through the movable block, the first inserting piece of the anti-falling piece is abutted against and attached to the first inner side wall, and meanwhile, the second inserting piece is abutted against and attached to the fourth inner side wall, and the first inserting piece and the second inserting piece are perpendicular to the base after being attached due to the fact that the first inner side wall and the fourth inner side wall are inclined by 7 degrees, the top end of the base of the anti-falling piece is necessarily in a horizontal state after the first inserting piece and the second inserting piece are perpendicular to the base, and then the product percent of pass can be improved when the drill bit is used for drilling the base in the horizontal state.

Drawings

Fig. 1 is a comparison of the prior art anti-slip member before and after drilling.

Fig. 2 is a perspective view of the present utility model.

Fig. 3 is a perspective view of a partially assembled embodiment of the present utility model.

Fig. 4 is an exploded perspective view of the compression assembly.

FIG. 5 is a perspective view of a fastener.

Fig. 6 is a state diagram of the clamping and fixing anti-falling member according to the present utility model.

In the figure: the prior art comprises the following steps: a base 1 and an insert 2;

The utility model comprises the following steps: the base 10, the groove 11, the fixing assembly 20, the accommodating space 21, the first inner side wall 22, the fourth inner side wall 23, the first positioning block 24, the second inner side wall 241, the second positioning block 25, the third inner side wall 251, the buckling member 252, the guide hole 253, the guide cylinder 254, the third positioning block 26, the pressing assembly 30, the movable block 31, the fifth inner side wall 311, the sixth inner side wall 312, the accommodating groove 313, the first bolt hole 314, the fixing seat 32, the first fixing block 321, the second fixing block 322, the fixing threaded hole 323, the supporting arm 33, the first pin 331, the first rotating member 34, the second pin 341, the second rotating member 35, the third pin 351, the pushing rod 36, the fourth pin 361, the second bolt hole 362, the guide member 37, the guide 371, the sleeve 372, the bump, the rotating arm 38, the fifth pin 381, the anti-drop member 400, the first insert 401, the second insert 402, and the base 403.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Referring to fig. 2 to 6, the clamp for the anti-falling part at the end of the dumbbell pin for mining comprises a base 10, a fixing component 20 and an extruding component 30, wherein the fixing component 20 and the extruding component 30 are both arranged on the upper end face of the base 10, the fixing component 20 is provided with a containing space 21 for containing the anti-falling part 400, the containing space 21 is provided with a first inner side wall 22 and a fourth inner side wall 23, the first inner side wall 22 and the fourth inner side wall 23 are symmetrically arranged on two sides of the containing space 21, the first inner side wall 22 and the fourth inner side wall 23 are both inclined by 7 degrees so as to be respectively attached to a first inserting sheet 401 and a second inserting sheet 402 of the anti-falling part 400, the extruding component 30 comprises a telescopic movable block 31, the movable block 31 is provided with a fifth inner side wall 311 and a sixth inner side wall 312, the fifth inner side wall 311 is inclined by 7 degrees so as to be attached to a second clamped face of the second inserting sheet 402 of the anti-falling part 400, the sixth inner side wall 312 is attached to the outer end face of the second inserting sheet 402 of the anti-falling part 400, and the movable block 31 is moved to contact and pressed against the second inserting sheet 402 of the anti-falling part 400 placed in the fixing component 20, and the anti-falling part 400 is vertically fixed in the fixing component 20.

Further, the fixing assembly 20 includes a first positioning block 24, a second positioning block 25 and a third positioning block 26, where the first positioning block 24, the second positioning block 25 and the third positioning block 26 are all disposed on an upper end surface of the base 10, the first positioning block 24 has a first inner sidewall 22 and a second inner sidewall 241, the first inner sidewall 22 and the second inner sidewall 241 form an L shape, the first inner sidewall 22 inclines by 7 ° to be attached to a clamped surface of the first tab 401 of the anti-falling member 400, the second inner sidewall 241 conforms to an outer end surface of the first tab 401 of the anti-falling member 400, the second positioning block 25 has a third inner sidewall 251, the third inner sidewall 251 and the first inner sidewall 22 are set in a dislocation manner, the third positioning block 26 has a fourth inner sidewall 23, and the fourth inner sidewall 23 inclines by 7 ° to be attached to a first clamped surface of the second tab 402 of the anti-falling member 400, and the fourth inner sidewall 23 and the first inner sidewall 22 are mutually overlapped. The accommodating space 21 is a space surrounded by the first positioning block 24, the second positioning block 25 and the third positioning block 26, the first inner side wall 22 is used for being abutted against the clamped surface of the first insert 401, the second inner side wall 241 is used for being abutted against the outer end surface of the first insert 401, the third inner side wall 251 is used for being abutted against the side wall of the base 403, and the fourth inner side wall 23 is used for being abutted against the first clamped surface of the second insert 402, so that the anti-falling piece 400 is stably and vertically placed in the accommodating space 21.

Further, the movable block 31 has an L shape. The movable block 31 of L form removes and is close to the second inserted sheet 402 after can laminate respectively in the outer terminal surface of second inserted sheet 402 and the second of second inserted sheet 402 by the holding surface for when movable block 31 continuously extrudees anticreep spare 400, the holding surface of first inserted sheet 401 is closely laminated with first inside wall 22 more, the outer terminal surface of first inserted sheet 401 is closely laminated with second inside wall 241 more, simultaneously make the first of second inserted sheet 402 by the holding surface more closely laminated with fourth inside wall 23, finally make the anticreep spare 400 after the fixing vertically fixed in accommodation space 21.

Further, the pressing assembly 30 further includes a fixing base 32, a supporting arm 33, a first rotating member 34, a second rotating member 35, a pushing rod 36, a guiding member 37 and a rotating arm 38, the fixing base 32 is disposed on the base 10, the fixing base 32 includes a first fixing block 321 and a second fixing block 322, the first fixing block 321 and the second fixing block 322 are connected to form an L shape, the first fixing block 321 is provided with a fixing threaded hole 323, one end of the supporting arm 33 is provided with an external thread and is installed in the fixing threaded hole 323, the other end of the supporting arm 33 is connected with the first end of the first rotating member 34 through a first pin 331, the second end of the first rotating member 34, the first end of the second rotating member 35 and the first end of the rotating arm 38 are connected through a second pin 341, the second end of the second rotating member 35 and the first end of the pushing rod 36 are connected through a third pin 351, the guiding member 37 is fixed on the base 10, the guide 37 is provided with a guide hole 371, the second end of the push rod 36 is connected with the movable block 31 through a fourth pin roll 361 after passing through the guide hole 371, the rotating arm 38 is connected with the second fixed block 322 through a fifth pin roll 381, the rotating arm 38 is pressed to enable the rotating arm 38 to rotate around the fifth pin roll 381, the first end of the rotating arm 38 rotates towards the push rod 36 and pushes the second rotating member 35 to enable the second rotating member 35 to rotate around the third pin roll 351, meanwhile, the first end of the rotating arm 38 pulls the second end of the first rotating member 34 to rotate towards the push rod 36, the second rotating member 35, and the push rod 36 are gradually arranged into a straight state from a bending state, the push rod 36 slides along the guide hole 371 under the common pushing of the first rotating member 34, the second rotating member 35 and the first end of the rotating arm 38, and the movable block 31 is pushed to slide along the base 10 during the sliding of the push rod 36 along the guide hole 371, the movable block 31 gradually fits on the second insert 402 of the anti-falling member 400 during sliding and clamps the anti-falling member 400 in the fixed assembly 20.

Further, a sleeve 372 is disposed in the guiding hole 371 of the guiding element 37, the sleeve 372 is sleeved on the pushing rod 36, and the pushing rod 36 slides along the sleeve 372. The clearance between the push rod 36 and the guide hole 371 is reduced by the sleeve 372, so that the swing amplitude of the push rod 36 is reduced, and the movable block 31 can slide against the upper end surface of the base 10 after the swing amplitude of the push rod 36 is reduced.

Further, the lower end surface of the guide member 37 is provided with a bump 373, the upper end surface of the base 10 is provided with a groove 11, the shape and the size of the groove 11 are matched with those of the bump 373, and the bump 373 is installed in the groove 11.

Further, the outer side surface of the movable block 31 is provided with a receiving groove 313, a first bolt hole 314 is provided from the upper side surface of the movable block 31 to the lower side surface of the movable block 31, the first bolt hole 314 is communicated with the receiving groove 313, a second bolt hole 362 is provided at the front end of the second end of the push rod 36, the second end of the push rod 36 extends into the receiving groove 313, and the fourth bolt shaft 361 is sequentially inserted into the first bolt hole 314 and the second bolt hole 362.

Further, a rotating fastener 252 is provided at the top end of the second positioning block 25, and a guide hole 253 is provided in the fastener 252. After the fastening piece 252 rotates and presses the top end of the base 403 of the anti-falling piece 400, the guide hole 253 is used for guiding the drill bit to enter along the guide hole 253 and then drill the top of the base 403, and the base 403 does not need to be marked, so that the drilling efficiency is improved.

Further, a guide tube 254 is installed in the guide hole 253. The drill bits with corresponding models are guided to drill through the guide cylinders 254 with different apertures, so that the drilling efficiency is improved, and the drilling precision is ensured.

Claims

1. The utility model provides a anchor clamps of mining dumbbell pin tip anticreep piece which characterized in that: including base, fixed subassembly and extrusion subassembly all set up the up end at the base, fixed subassembly sets up the accommodation space and is used for placing the anticreep piece, the accommodation space has first inside wall and fourth inside wall, first inside wall and fourth inside wall symmetry set up in the both sides of accommodation space, first inside wall and fourth inside wall all slope 7 set up so that respectively with the first inserted sheet of anticreep piece, the laminating of second inserted sheet, extrusion subassembly includes telescopic movable block, the movable block has fifth inside wall and sixth inside wall, the second of fifth inside wall slope 7 is laminated by the holding surface with the second inserted sheet of anticreep piece, the second inserted sheet of anticreep piece is placed to the extrusion after the movable block removes towards the third locating block, the second inserted sheet of anticreep piece is fixed in fixed subassembly with the anticreep piece.

2. The clamp for mine dumbbell pin end drop-off prevention pieces of claim 1, wherein: the fixed subassembly includes first locating piece, second locating piece and third locating piece, first locating piece, second locating piece and third locating piece all set up on the up end of base, first locating piece has first inside wall and second inside wall, first inside wall and second inside wall form the L form, first inside wall slope 7 is laminated with the quilt clamping face of the first inserted sheet of anticreep piece, second inside wall and the outer terminal surface laminating of the first inserted sheet of anticreep piece, the second locating piece has the third inside wall, third inside wall and first inside wall dislocation set, the third locating piece has the fourth inside wall, the fourth inside wall slope 7 is laminated with the first clamping face of the second inserted sheet of anticreep piece, fourth inside wall and first inside wall coincide each other.

3. The clamp for mine dumbbell pin end drop-off prevention pieces of claim 1, wherein: the movable block is L-shaped.

4. The clamp for mine dumbbell pin end drop-off prevention pieces of claim 1, wherein: the extrusion assembly further comprises a fixing seat, a supporting arm, a first rotating member, a second rotating member, a pushing rod, a guide member and a rotating arm, wherein the fixing seat is arranged on the base, the fixing seat comprises a first fixing block and a second fixing block, the first fixing block and the second fixing block are connected to form an L shape, the first fixing block is provided with a fixing threaded hole, one end of the supporting arm is provided with an external thread and is arranged in the fixing threaded hole, the other end of the supporting arm and the first end of the first rotating member are connected through a first pin shaft, the second end of the first rotating member, the first end of the second rotating member and the first end of the rotating arm are connected through a second pin shaft, the second end of the second rotating member and the first end of the pushing rod are connected through a third pin shaft, the guide member is fixed on the base, the guide member is provided with a guide hole, the second end of the pushing rod passes through the guide hole and then is connected with the movable block through a fourth pin shaft, the rotating arm and the second fixing block are connected through a fifth pin shaft, the rotating arm is pressed to enable the rotating arm to rotate around the fifth pin shaft, the first end of the rotating member to rotate, and the second rotating member is pushed to rotate around the third rotating member, and meanwhile, the second rotating member is gradually rotates around the second rotating member and the first rotating member rotates along the first rotating member and the first sliding member and the sliding member.

5. The clamp for the mine dumbbell pin end anti-drop member of claim 4, wherein: a sleeve is arranged in the guide hole of the guide piece, the sleeve is sleeved on the pushing rod, and the pushing rod slides along the sleeve.

6. The clamp for the mine dumbbell pin end anti-drop member of claim 4, wherein: the lower end face of the guide piece is provided with a lug, the upper end face of the base is provided with a groove, the shape and the size of the groove are matched with those of the lug, and the lug is arranged in the groove.

7. The clamp for the mine dumbbell pin end anti-drop member of claim 4, wherein: the lateral surface of movable block sets up the accommodation groove, sets up first bolt hole from the upside of movable block to the downside of movable block, and first bolt hole is linked together with the accommodation groove, and the second end front end department of catch bar sets up the second bolt hole, and the second end of catch bar stretches into in the accommodation groove and inserts in proper order in first bolt hole and the second bolt hole with the fourth bolt.

8. The clamp for the mine dumbbell pin end anti-drop member of claim 2, wherein: the top end of the second positioning block is provided with a rotary buckling piece, and the buckling piece is provided with a guide hole.

9. The clamp for mine dumbbell pin end drop-off prevention pieces of claim 8, wherein: the guide hole is internally provided with a guide cylinder.