CN117963704B

CN117963704B - Mining machinery metal drill lifting equipment

Info

Publication number: CN117963704B
Application number: CN202410384224.0A
Authority: CN
Inventors: 黄勇勤; 黄平; 温贞旺; 熊茂
Original assignee: Jiangxi Jiedeng Mining Machinery Co ltd
Current assignee: Jiangxi Jiedeng Mining Machinery Co ltd
Priority date: 2024-04-01
Filing date: 2024-04-01
Publication date: 2024-05-28
Anticipated expiration: 2044-04-01
Also published as: CN117963704A

Abstract

The invention relates to the technical field of mining machinery, and provides mining machinery metal drill lifting equipment, which comprises: the bottom plate, the two symmetrical fixed mounting in top of bottom plate have a plurality of U-shaped framves, and a plurality of two support arms of U-shaped frame are close to the opposite side of center department and all movably inlay and are equipped with bull stick one, a plurality of the surface of bull stick one is all fixed the cover and is equipped with the connecting block. According to the invention, the arc-shaped clamping block I and the arc-shaped clamping block II are pressed downwards under the action of gravity of the metal drill bit, so that the lower ends of the arc-shaped clamping block I and the arc-shaped clamping block II are gradually far away from each other, and the upper ends of the arc-shaped clamping block I and the arc-shaped clamping block II are gradually close to each other, so that the metal drill bit is clamped in the middle, the limiting wheel cannot rotate reversely, the situation that the metal drill bit is not tightly clamped due to vertical shaking in the clamping process can be avoided, and therefore a worker is not required to fix the metal drill bit by using a tool, and the process is time-saving and labor-saving, so that the lifting efficiency of the metal drill bit of the mining machinery is improved.

Description

Mining machinery metal drill lifting equipment

Technical Field

The invention relates to the technical field of mining machinery, in particular to a mining machinery metal drill lifting device.

Background

Coal mining generally uses a large rotary drill bit to dig coal layers layer by layer, and the coal blocks which are unscrewed fall on a conveyor belt to leave the coal mine belt from a mining site; because the coal seam is relatively hard, the rotary drill bit can have the problems of abrasion, fracture or falling of the broken bit in the use process, and a new drill bit needs to be replaced at the moment.

In the prior art, for example, the Chinese patent number is: CN116835429a is a lifting device for metal drill bits of mining machinery, comprising a lifting plate, wherein a lifting unit is arranged below the lifting plate and is used for lifting tail parts and neck parts of the metal drill bits; one side of the hoisting unit is provided with a lifting unit which is used for lifting the working part of the metal drill bit; the hoisting unit is also provided with an adjusting component which is used for adjusting the position of the hoisting unit at the tail part of the metal drill bit; according to the invention, the purpose of quickly and easily installing the drill bit is achieved by designing the special lifting equipment for the drill bit; the tail part and the neck part of the metal drill bit are hoisted through the hoisting unit, and meanwhile, the working part of the metal drill bit is hoisted through the hoisting unit, so that the whole metal drill bit is hoisted, then a steel rope on a crane is bound on the hanging plate, the hanging plate drives the metal drill bit to move up and down and translate in the horizontal direction, the moving stability of the metal drill bit is guaranteed, and meanwhile, the tail part of the metal drill bit is smoothly inserted into coal digging equipment through the cooperation of the adjusting component.

Although the above scheme has the advantages as above, the above scheme has disadvantages in that: although the metal drill bit can be flexibly installed on the metal drill bit through the design of the semi-arc-shaped plate and the fastening of the arc-shaped plate through the eye bolt, the whole metal drill bit is lifted through the supporting plate, the stability of the metal drill bit is improved, but in the process of lifting the metal drill bit, workers are required to sleeve the arc-shaped plate on the metal drill bit, the eye bolt is required to be fastened through a tool, and the process is time-consuming and labor-consuming, so that the lifting efficiency of the metal drill bit is lower.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, although the arc-shaped plate can be flexibly installed on a metal drill through the design of a half arc-shaped plate and the fastening of the arc-shaped plate through an eye bolt, and the whole metal drill is lifted through a supporting plate to lift the working part of the metal drill, so that the stability of the metal drill is improved, in the process of lifting the metal drill, a worker is required to sleeve the arc-shaped plate on the metal drill, and the eye bolt is required to be fastened through a tool, and the process is time-consuming and labor-consuming, so that the lifting efficiency of the metal drill is lower.

In order to achieve the above purpose, the present invention adopts the following technical scheme: a mining machinery metal drill handling apparatus comprising: the bottom plate, the two symmetrical fixed mounting in top of bottom plate have a plurality of U-shaped framves, a plurality of U-shaped frame two support arms are close to the opposite side of center department and all are movably inlayed and are equipped with bull stick one, a plurality of the equal fixed cover of surface of bull stick one is equipped with the connecting block, wherein a plurality of one side of connecting block is equal fixed mounting has arc grip block one, and a plurality of in addition one side of connecting block is equal fixed mounting has arc grip block two, a plurality of the surface of arc grip block one is movably inlayed respectively and is established in the centre of two support arms of a plurality of arc grip block two support arms, a plurality of arc grip block one is close to the opposite side of one end and all is provided with the guide, a plurality of arc spout has all been seted up to two support arms of arc grip block two support arms of one are movably inlayed respectively and are established in the inside of a plurality of arc spout, a plurality of equal symmetrical movable cover of surface of bull stick one is equipped with two torsion spring one, a plurality of torsion spring one's one end is fixed mounting respectively in opposite side of a plurality of connecting blocks, a plurality of torsion spring one another end is fixed mounting respectively in opposite side of a plurality of U-shaped frame two support arms.

Preferably, a plurality of the first end of bull stick is all fixed the cover and is equipped with spacing wheel, a plurality of one of them support arm one side of U-shaped frame is all fixed mounting has the fixed block, and a plurality of one side of fixed block is all movable to be inlayed and is equipped with bull stick two, a plurality of the equal fixed cover of one end of bull stick two is equipped with spacing hook, a plurality of the hook angle one end of spacing hook meshes with the tooth of a plurality of spacing wheels respectively, a plurality of the equal movable cover of surface of bull stick two is equipped with torsion spring two, a plurality of the one end of torsion spring two is fixed mounting in one side of a plurality of fixed blocks respectively, a plurality of the other end of torsion spring two is fixed mounting in one side of a plurality of spacing hooks respectively, through under torsion spring two's restoring effort, can make the hook angle one end of spacing hook mesh with the tooth of spacing wheel all the time, but when bull stick one is rotated in reverse direction, spacing hook plays spacing effect to spacing wheel for spacing wheel unable reverse rotation, can avoid the metal drill bit to rock about in the course of centre gripping and the condition that the centre gripping is not tight.

Preferably, two open slots have been seted up to the top symmetry of bottom plate, two circular slots have been seted up to the top symmetry of bottom plate, two the center department of circular slot inner wall bottom all activity has inlayed the slide bar, two the equal fixed mounting of one end of slide bar has the L shaped plate, two the surface of L shaped plate is movably inlayed respectively and is established in the inside of two open slots, two the equal fixed mounting of the other end of slide bar has the disc, two the equal movable sleeve of surface of slide bar is equipped with compression spring, two compression spring's one end is fixed mounting respectively at the top of two L shaped plates, two compression spring's the other end symmetry fixed mounting is in the bottom of bottom plate, can apply a decurrent pressure to the disc through arc grip block one and arc grip block two, makes slide bar and L shaped plate downwardly moving, makes the compression spring stretch in step, makes the rack downwardly moving through the restoring effort of compression spring, can make the disc get back to the normal position, rethread circular slot's setting, makes things convenient for the disc to imbeds.

Preferably, two equal fixed mounting in one side of L shaped plate has the rack, two the open slot is close to the back of the body one side of bottom and all moves about and inlay and be equipped with the bull stick III, two the equal fixed cover of surface of bull stick III is equipped with the gear, two the tooth of gear meshes with the tooth of two racks respectively, two the equal fixed cover of surface of bull stick III is equipped with H shape piece, through under rack and gear mesh's effect, can drive bull stick III and rotate, drives H shape piece and baffle upwards in step.

Preferably, two opposite sides of the H-shaped block, which are close to the center, are fixedly provided with round rods II, the outer surfaces of the round rods II are movably sleeved with baffle plates, two opposite sides of the baffle plates are provided with limit holes, two opposite sides of the H-shaped block, which are close to one end, are respectively embedded with screw rods in threads, one ends of the screw rods are respectively movably embedded in the limit holes, the screw rods can be separated from the limit holes by manually rotating the screw rods, limit of the baffle plates is relieved, the baffle plates can be rotated downwards at the moment, the baffle plates are moved away from the end parts of the metal drill bits, and shielding of the end parts of the metal drill bits is relieved.

Preferably, a plurality of equal fixed mounting in top of U-shaped frame has the diaphragm, and a plurality of equal symmetry fixed mounting in bottom of diaphragm has two swash plates, and a plurality of the equal fixed embedding of surface of swash plate is equipped with pneumatic telescopic link one, a plurality of the equal fixed mounting of one end of pneumatic telescopic link one has the arc to support tight board, and a plurality of the outer surface that pneumatic telescopic link one is close to the other end is all fixed to be inlayed and is equipped with the connecting pipe, when the compression intracavity portion through connecting pipe to pneumatic telescopic link one inputs gas, can make pneumatic telescopic link one extend to can make the arc support tight board with certain inclination to the surface movement of metal drill bit, support tightly to the metal drill bit.

Preferably, a plurality of U-shaped frame is close to the equal fixed mounting of opposite side of two support arms in bottom and has the round bar I, and a plurality of the surface of round bar I all movable sleeve is equipped with pneumatic telescopic link II, and a plurality of the connecting pipe is even two-to-two to divide into a set of, multiunit the one end of connecting pipe is fixed respectively to inlay and is established in the surface that a plurality of pneumatic telescopic link II is close to one end, and a plurality of the equal fixed mounting of opposite side of connecting block has L shape piece, and a plurality of L shape piece is even two-to-two to divide into a set of, multiunit the equal fixed mounting of opposite side of L shape piece has the dead lever, and a plurality of the surface of dead lever is movable respectively to inlay and is established in the other end of a plurality of pneumatic telescopic link II, through foretell setting, can make pneumatic telescopic link II when stretching or contracting, carries out suitable rotation.

Preferably, one end of each of the plurality of connecting pipes is respectively communicated with the compression cavity of the first pneumatic telescopic rod, and the other ends of the plurality of groups of connecting pipes are respectively communicated with the compression cavity of the second pneumatic telescopic rod.

Preferably, a plurality of arc grip block one and the inboard equal fixed mounting of cambered surface of a plurality of arc grip block two have arc rubber pad one, and a plurality of the arc is supported the inboard equal fixed mounting of cambered surface of tight board and is had arc rubber pad two, through the setting of arc rubber pad one and arc rubber pad two, plays certain increase frictional force effect to can make the more firm of metal drill bit centre gripping.

Preferably, the four corners department of bottom plate bottom all fixed mounting has the bracing piece, the equal fixed mounting in four corners department at bottom plate top has rings, through the setting of rings, conveniently hangs this device through lifting device, plays certain supporting role through the setting of bracing piece.

Compared with the prior art, the invention has the advantages and positive effects that,

According to the invention, under the action of gravity of the metal drill bit, the arc-shaped clamping block I and the arc-shaped clamping block downwards press, the connecting block drives the rotating rod to downwards rotate, the guide piece slides to one side along the arc-shaped sliding groove, the lower ends of the arc-shaped clamping block I and the arc-shaped clamping block II are gradually far away from each other, and the upper ends of the arc-shaped clamping block I and the arc-shaped clamping block II are gradually close to each other, so that the metal drill bit is clamped in the middle.

According to the invention, the slide bar and the L-shaped plate are downwards moved by applying a downward pressure to the disc, the compression spring is synchronously stretched, the rotating rod III can be driven to rotate under the meshing action of the rack and the gear, the H-shaped block and the baffle are synchronously driven to upwards rotate, the baffle is kept in a vertical state, the two ends of the metal drill bit are limited by the baffle, the screw can be separated from the inside of the limiting hole by manually rotating the screw, the limitation of the baffle is relieved, the baffle can be downwards rotated at the moment, the baffle is moved away from the end part of the metal drill bit, and the shielding of the end part of the metal drill bit is relieved, so that the situation that the metal drill bit slides in the lifting process can be avoided, the butt joint of the metal drill bit and coal digging equipment is facilitated, and the operation is simpler.

According to the invention, the L-shaped block and the fixed rod can be driven to rotate downwards through the connecting block, so that the second pneumatic telescopic rod is contracted, compressed gas in the compression cavity of the second pneumatic telescopic rod enters the compression cavity of the first pneumatic telescopic rod through the connecting pipe, and the first pneumatic telescopic rod is stretched, so that the arc-shaped abutting plate can be pushed to move to the outer surface of the metal drill bit at a certain inclination angle and the metal drill bit can be abutted, the effect of fixing the metal drill bit can be further improved, and the shaking condition of the metal drill bit in the lifting process can be avoided.

Drawings

FIG. 1 is a schematic structural view of a mining machinery metal drill lifting device provided by the invention;

fig. 2 is a schematic side view structure of a mining machinery metal drill lifting device provided by the invention;

FIG. 3 is a schematic view of a part of a bottom view structure of a mining machinery metal drill lifting device provided by the invention;

FIG. 4 is an enlarged schematic view of the construction of the mining machinery metal drill lifting device shown in FIG. 3A;

FIG. 5 is a schematic view of a part of a cross-sectional structure of a mining machinery metal drill lifting device provided by the invention;

FIG. 6 is a schematic view of a U-shaped frame structure of a mining machinery metal drill lifting device provided by the invention;

FIG. 7 is an enlarged schematic view of the construction of the mining machinery metallic drill lifting device of FIG. 6 at B;

fig. 8 is a schematic diagram of a partially disassembled structure of a mining machinery metal drill lifting device.

Legend description:

1. A bottom plate; 101. a support rod; 102. a hanging ring; 103. an open slot; 104. a circular groove; 2. a U-shaped frame; 201. a first rotating rod; 202. a connecting block; 203. a torsion spring I; 204. arc clamping blocks I; 205. arc clamping blocks II; 206. an arc-shaped rubber pad I; 207. a fixed block; 208. a limiting wheel; 209. a second rotating rod; 210. a limit hook; 211. a torsion spring II; 212. an arc chute; 213. a guide member; 3. a cross plate; 301. a sloping plate; 302. a first pneumatic telescopic rod; 303. an arc-shaped abutting plate; 304. a connecting pipe; 305. a pneumatic telescopic rod II; 306. a round rod I; 307. arc-shaped rubber pads II; 308. an L-shaped block; 309. a fixed rod; 4. a slide bar; 401. an L-shaped plate; 402. a rack; 403. a third rotating rod; 404. a gear; 405. h-shaped blocks; 406. a baffle; 407. a round rod II; 408. a screw; 409. a limiting hole; 410. a compression spring; 411. a disk.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Embodiment 1, as shown in fig. 1-8, the present invention provides a technical solution: a mining machinery metal drill handling apparatus comprising: the bottom plate 1, two pairs of symmetrical fixed mounting in top of the bottom plate 1 have a plurality of U-shaped frames 2, the opposite side that two support arms of a plurality of U-shaped frames 2 are close to the center department all has movably embedded bull stick one 201, the surface of a plurality of bull sticks one 201 is all fixed to overlap and is equipped with connecting block 202, wherein one side of a plurality of connecting blocks 202 all has fixed mounting arc grip block one 204, in addition, one side of a plurality of connecting blocks 202 all has fixed mounting arc grip block two 205, the surface of a plurality of arc grip block one 204 is movably embedded in the centre of two support arms of a plurality of arc grip block two 205 respectively, the opposite side that a plurality of arc grip block one 204 is close to one end all is provided with guide 213, arc spout 212 has all been seted up to two support arms of a plurality of arc grip block two 205, the surface of a plurality of guide 213 is movably embedded in the inside of a plurality of arc spout 212 respectively, the surface of a plurality of bull stick one 201 all symmetrically has two torsion springs one 203, one end of each of the first torsion springs 203 is fixedly arranged on the opposite side of the connecting blocks 202, the other end of each of the first torsion springs 203 is fixedly arranged on the opposite side of the two support arms of the U-shaped frames 2, one end of each of the first torsion springs 201 is fixedly sleeved with a limiting wheel 208, one side of one support arm of the U-shaped frames 2 is fixedly provided with a fixed block 207, one side of each of the fixed blocks 207 is movably embedded with a second torsion spring 209, one end of each of the second torsion springs 209 is fixedly sleeved with a limiting hook 210, one end of a hook angle of each of the limiting hooks 210 is respectively meshed with teeth of the corresponding limiting wheel 208, the outer surface of each of the second torsion springs 209 is movably sleeved with a second torsion spring 211, one end of each of the second torsion springs 211 is fixedly arranged on one side of the fixed block 207, and the other end of each of the second torsion springs 211 is fixedly arranged on one side of the limiting hooks 210, the inner sides of the cambered surfaces of the first cambered clamping blocks 204 and the second cambered clamping blocks 205 are fixedly provided with a first cambered rubber pad 206.

In one embodiment, the guide piece 213 is fixedly installed on the outer surface of the first arc clamping block 204, the guide piece 213 is a circular rod, the first arc clamping block 204 and the second arc clamping block 205 are pressed downwards under the action of gravity of the metal drill bit, the connecting block 202 drives the first rotating rod 201 to rotate downwards, the torsion spring 203 is synchronously twisted, the guide piece 213 slides to one side along the arc chute 212, the lower ends of the first arc clamping block 204 and the second arc clamping block 205 are gradually far away from each other, the upper ends are gradually close to each other, the metal drill bit is clamped in the middle, the rotation of the first rotating rod 201 is synchronously carried out, the limiting wheel 208 can be driven to rotate, at the moment, the limiting hook 210 has infinite position effect on the limiting wheel 208, one end of a hook angle of the limiting hook 210 is always meshed with teeth of the limiting wheel 208 under the reset action of the second torsion spring 211, but when the first rotating rod 201 rotates reversely, the limiting hook 210 plays a limiting role on the limiting wheel 208, the limiting wheel 208 cannot reversely rotate along the arc chute 212, the metal drill bit can be clamped in the middle, the condition that a tool does not need to swing tightly under the condition of the rotation of the first rotating rod 201, the time saving time is not needed, and the mechanical process of clamping the metal drill bit can be ensured, and the mechanical handling efficiency is not need to be improved.

In another embodiment, the guide piece 213 is movably embedded in the arc clamping block one 204, the guide piece 213 is a circular rod, the metal drill bit is placed on the bottom plate 1, the arc clamping block one 204 and the arc clamping block two 205 are pressed downwards under the action of gravity of the metal drill bit, the connecting block 202 drives the rotating rod one201 to rotate downwards, the torsion spring one 203 is synchronously twisted, the guide piece 213 slides to one side along the arc sliding groove 212, the lower ends of the arc clamping block one 204 and the arc clamping block two 205 are gradually far away from each other, the upper ends are gradually close to each other, the metal drill bit is clamped in the middle, the rotation of the rotating rod one201 is synchronously carried out, the limiting wheel 208 can be driven to rotate, at the moment, the limiting hook 210 has infinite position effect on the limiting wheel 208, one end of the hook angle of the limiting hook 210 is always meshed with teeth of the limiting wheel 208 under the reset action of the torsion spring two 211, but when the rotating rod one201 reversely rotates, the limiting hook 210 plays a limiting role on the limiting wheel 208, the limiting wheel 208 cannot reversely rotate along the arc sliding groove 212, the metal drill bit is clamped in the middle, the condition that a tool is not required to swing tightly, and the metal drill bit is not required to be clamped tightly, so that the mechanical lifting efficiency is not required to be ensured, and the mechanical lifting process is not required to be caused.

In embodiment 2, as shown in fig. 1-8, two open slots 103 are symmetrically arranged at the top of the bottom plate 1, two circular slots 104 are symmetrically arranged at the top of the bottom plate 1, slide bars 4 are movably embedded in the centers of the bottoms of the inner walls of the two circular slots 104, one ends of the two slide bars 4 are fixedly provided with L-shaped plates 401, the outer surfaces of the two L-shaped plates 401 are movably embedded in the two open slots 103 respectively, the other ends of the two slide bars 4 are fixedly provided with discs 411, compression springs 410 are movably sleeved on the outer surfaces of the two slide bars 4, one ends of the two compression springs 410 are fixedly arranged at the tops of the two L-shaped plates 401 respectively, the other ends of the two compression springs 410 are symmetrically and fixedly arranged at the bottom of the bottom plate 1, racks 402 are fixedly arranged on one sides of the two L-shaped plates 401, the two open slots 103 are close to the opposite sides of bottom and all movably embedded and are equipped with bull stick three 403, the equal fixed cover of surface of two bull sticks three 403 is equipped with gear 404, the tooth of two gears 404 meshes with the tooth of two racks 402 respectively, the equal fixed cover of surface of two bull sticks three 403 is equipped with H shape piece 405, the equal movable cover of surface of two round bars two 407 is equipped with baffle 406, spacing hole 409 has all been seted up to the opposite sides of two baffle 406, the equal screw thread of opposite sides of two H shape pieces 405 near one end is embedded and is equipped with screw 408, the one end of a plurality of screw 408 is movably embedded respectively and is established in the inside of a plurality of spacing holes 409, the equal fixed mounting in four corners department of bottom plate 1 bottom has bracing piece 101, the equal fixed mounting in four corners department at bottom plate 1 top rings 102.

In this embodiment, a downward pressure can be applied to the disc 411 through the downward movement of the arc clamping block one 204 and the arc clamping block two 205, so that the slide rod 4 and the L-shaped plate 401 move downward, the compression spring 410 is synchronously stretched, the rack 402 is synchronously moved downward, the third rotating rod 403 can be driven to rotate under the meshing action of the rack 402 and the gear 404, the H-shaped block 405 and the baffle 406 are synchronously driven to rotate upward, the baffle 406 is kept in a vertical state, the two ends of the metal drill bit are limited through the baffle 406, the situation that the metal drill bit slides to one side in the lifting process can be avoided, when the metal drill bit is required to be installed at the output end of the coal mining equipment, the screw 408 can be separated from the inside of the limiting hole 409 through manual rotation of the screw 408, the limitation of the baffle 406 is released, the baffle 406 can be downwards rotated, the baffle 406 is removed from the end of the metal drill bit, the shielding of the metal drill bit is removed, the situation that sliding occurs in the lifting process of the metal drill bit can be avoided, the metal drill bit is convenient to butt joint with the coal mining equipment, and the operation is simple.

In embodiment 3, as shown in fig. 1-8, cross plates 3 are fixedly installed at the tops of the U-shaped frames 2, two inclined plates 301 are symmetrically and fixedly installed at the bottoms of the cross plates 3, a first pneumatic telescopic rod 302 is fixedly embedded at the outer surfaces of the inclined plates 301, an arc-shaped abutting plate 303 is fixedly installed at one end of the first pneumatic telescopic rod 302, a connecting pipe 304 is fixedly embedded at the outer surface of the first pneumatic telescopic rod 302 close to the other end, a round rod 306 is fixedly installed at one side of the opposite side of the U-shaped frames 2 close to the bottom of the two supporting arms, a second pneumatic telescopic rod 305 is movably sleeved at the outer surface of the first round rod 306, a plurality of connecting pipes 304 are divided into a group in average, one end of each of a plurality of connecting pipes 304 is fixedly embedded at the outer surface of the second pneumatic telescopic rod 305 close to one end, an L-shaped block 308 is fixedly installed at one side of the opposite side of each of the connecting blocks 202, a plurality of fixing rods 309 are fixedly installed at one side of opposite sides of the L-shaped blocks 308, a plurality of arc-shaped rubber pads 304 are movably embedded at two ends of the two arc-shaped connecting pipes 307 respectively, and the other ends of the plurality of arc-shaped connecting pipes 307 are respectively connected with one end of the arc-shaped connecting pipes 304, and the other ends of the plurality of the arc-shaped connecting pipes are respectively compressed and the two arc-shaped connecting pipes are respectively and movably embedded at two ends of the connecting pipes 305 are respectively.

In this embodiment, through the downward rotation of the connecting block 202, the L-shaped block 308 and the fixing rod 309 can be driven to rotate downward, so that the second pneumatic expansion rod 305 contracts, and the compressed gas in the compression cavity of the second pneumatic expansion rod 305 enters into the compression cavity of the first pneumatic expansion rod 302 through the connecting pipe 304, so that the first pneumatic expansion rod 302 stretches, and the arc-shaped abutting plate 303 can be pushed to move to the outer surface of the metal drill bit at a certain inclination angle, and the metal drill bit is abutted, so that the fixing effect of the metal drill bit can be further improved, and the shaking condition of the metal drill bit in the lifting process can be avoided.

Working principle: when in use, by placing the metal drill bit on the bottom plate 1, the arc clamping blocks I204 and II 205 are downwards pressed under the gravity of the metal drill bit, so that the connecting block 202 drives the first rotating rod 201 to downwards rotate, the torsion spring I203 is synchronously twisted, the guide piece 213 slides to one side along the arc chute 212, the lower ends of the first arc clamping block 204 and the second arc clamping block 205 are gradually far away from each other, the upper ends are gradually close to each other, thereby clamping the metal drill bit in the middle, and the limiting wheel 208 can be driven to rotate by the rotation of the first rotating rod 201 synchronously, the limiting hook 210 has infinite position effect on the limiting wheel 208, one end of the hook angle of the limiting hook 210 can be always meshed with the tooth of the limiting wheel 208 under the reset action of the torsion spring II 211, but when the rotary rod I201 rotates reversely, the limiting hook 210 plays a role in limiting the limiting wheel 208, so that the limiting wheel 208 can not rotate reversely, the condition that the metal drill bit is not tightly clamped due to up-and-down shaking in the clamping process can be avoided, thus a worker is not required to fix the metal drill bit by using a tool, the process is time-saving and labor-saving, the lifting efficiency of the metal drill bit of the mining machinery is improved, the L-shaped block 308 and the fixed rod 309 can be driven to rotate downwards synchronously through the connecting block 202, so that the second pneumatic telescopic rod 305 is contracted, compressed gas in the compression cavity of the second pneumatic telescopic rod 305 enters the compression cavity of the first pneumatic telescopic rod 302 through the connecting pipe 304, the first pneumatic telescopic rod 302 is extended, the arc-shaped abutting plate 303 can be pushed to move towards the outer surface of the metal drill bit at a certain inclination angle, the metal drill bit is abutted, the effect of fixing the metal drill bit can be further improved, the shaking condition of the metal drill bit in the lifting process can be avoided, the downward movement of the arc clamping blocks I204 and II 205 can apply downward pressure to the disc 411, so that the slide bar 4 and the L-shaped plate 401 move downward, the compression spring 410 stretches synchronously, the rack 402 moves downward synchronously, the third rotary rod 403 can be driven to rotate under the meshing action of the rack 402 and the gear 404, the H-shaped block 405 and the baffle 406 are synchronously driven to rotate upward, the baffle 406 is kept in a vertical state, the two ends of the metal drill bit are limited by the baffle 406, the situation that the metal drill bit slides to one side in the lifting process can be avoided, when the metal drill bit is required to be installed at the output end of the coal mining equipment, the screw 408 can be separated from the inside of the limiting hole 409 by manually rotating the screw 408, the limit of the baffle 406 is released, the baffle 406 can be downwards rotated at the moment, the baffle 406 is moved away from the end part of the metal drill bit, and the shielding of the end part of the metal drill bit is released, so that the situation that the metal drill bit slides in the lifting process can be avoided, the metal drill bit is conveniently in butt joint with the coal mining equipment, the operation is simpler, when the metal drill bit is separated from the upper surface of the bottom plate 1, the arc-shaped clamping block I204 and the arc-shaped clamping block II 205 can be returned to the original positions under the reset acting force of the torsion spring I203, the pneumatic telescopic rod II 305 and the pneumatic telescopic rod I302 are restored to the initial state, and the disc 411, the sliding rod 4, the L-shaped plate 401, the rack 402, the gear 404, the H-shaped block 405 and the baffle 406 can be restored to the initial state under the restoring force of the compression spring 410, so that the device can be conveniently lifted by the lifting equipment through the arrangement of the lifting ring 102.

The present invention is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present invention without departing from the technical content of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. Mining machinery metallic drill handling equipment, characterized in that includes: the novel U-shaped support comprises a bottom plate (1), wherein a plurality of U-shaped frames (2) are symmetrically and fixedly arranged on the top of the bottom plate (1), a first rotating rod (201) is movably embedded between two support arms of the U-shaped frames (2), the first rotating rod (201) is close to the centers of the two support arms of the U-shaped frames (2), a connecting block (202) is fixedly sleeved on the outer surface of the first rotating rod (201), an arc-shaped clamping block I (204) is fixedly arranged on one side of each connecting block (202), an arc-shaped clamping block II (205) is fixedly arranged on one side of each connecting block (202), the outer surface of each arc-shaped clamping block I (204) is movably embedded in the middle of two support arms of the arc-shaped clamping block II (205), a guide piece (213) is arranged on each arc-shaped sliding groove (212), a torsion spring I (203) is symmetrically and movably sleeved on the outer surface of each connecting rod I (201), and one end of each torsion spring (203) is fixedly arranged on one side of the other support arms (2);

One end of the first rotating rod (201) is fixedly sleeved with a limiting wheel (208), one side of one supporting arm of the U-shaped frame (2) is fixedly provided with a fixed block (207), one side of the fixed block (207) is movably embedded with a second rotating rod (209), one end of the second rotating rod (209) is fixedly sleeved with a limiting hook (210), one end of a hook angle of the limiting hook (210) is meshed with teeth of the limiting wheel (208), the outer surface of the second rotating rod (209) is movably sleeved with a second torsion spring (211), one end of the second torsion spring (211) is fixedly arranged on one side of the fixed block (207), and the other end of the second torsion spring (211) is fixedly arranged on one side of the limiting hook (210);

Open slots (103) are symmetrically formed in the top of the bottom plate (1), round slots (104) are symmetrically formed in the top of the bottom plate (1), sliding rods (4) are movably embedded in the centers of the bottoms of the inner walls of the round slots (104), L-shaped plates (401) are fixedly arranged at one ends of the two sliding rods (4), the outer surfaces of the two L-shaped plates (401) are movably embedded in the two open slots (103) respectively, discs (411) are fixedly arranged at the other ends of the two sliding rods (4), compression springs (410) are movably sleeved on the outer surfaces of the two sliding rods (4), one ends of the two compression springs (410) are fixedly arranged at the tops of the two L-shaped plates (401) respectively, and the other ends of the two compression springs (410) are fixedly arranged at the bottoms of the bottom plate (1) symmetrically;

One side of two L shaped plate (401) is all fixed mounting has rack (402), one side activity that open slot (103) is close to its bottom has inlayed bull stick three (403), two the surface of bull stick three (403) is all fixed the cover and is equipped with gear (404), two the tooth of gear (404) meshes with the tooth of two racks (402) respectively, two the surface of bull stick three (403) is all fixed the cover and is equipped with H shape piece (405).

2. The mining machine metal drill bit handling equipment of claim 1, wherein: one side of H shape piece (405) near its center department fixed mounting has round bar two (407), two the surface of round bar two (407) all movable sleeve is equipped with baffle (406), spacing hole (409) have been seted up to one side of baffle (406), H shape piece (405) screw thread inlay has screw rod (408), the one end activity of screw rod (408) is inlayed and is established in the inside of spacing hole (409).

3. The mining machine metal drill bit handling equipment of claim 1, wherein: the top fixed mounting of U-shaped frame (2) has diaphragm (3), the bottom symmetry fixed mounting of diaphragm (3) has swash plate (301), the surface mounting of swash plate (301) inlays and is equipped with pneumatic telescopic link one (302), the one end fixed mounting of pneumatic telescopic link one (302) has arc to support tight board (303), the surface mounting that pneumatic telescopic link one (302) is close to its other end inlays and is equipped with connecting pipe (304).

4. A mining machine metal drill bit handling apparatus as claimed in claim 3, wherein: the novel pneumatic telescopic device is characterized in that a round rod I (306) is fixedly arranged between two support arms of the U-shaped frame (2), the round rod I (306) is close to the bottoms of the two support arms of the U-shaped frame (2), a pneumatic telescopic rod II (305) is movably sleeved on the outer surface of the round rod I (306), a plurality of connecting pipes (304) are divided into a group in two by two mode, one end of each connecting pipe (304) is fixedly embedded on the outer surface close to one end of the corresponding pneumatic telescopic rod II (305), an L-shaped block (308) is fixedly arranged on one side of each connecting block (202), a fixing rod (309) is fixedly arranged on one side of each L-shaped block (308), and the outer surface of each fixing rod (309) is movably embedded on the other end of the corresponding pneumatic telescopic rod II (305).

5. The mining machine metal drill bit handling equipment of claim 4, wherein: one end of the connecting pipe (304) is communicated with the compression cavity of the pneumatic telescopic rod II (305), and the other end of the connecting pipe (304) is communicated with the compression cavity of the pneumatic telescopic rod I (302).

6. A mining machine metal drill bit handling apparatus as claimed in claim 3, wherein: arc-shaped rubber pads I (206) are fixedly installed on the inner sides of the cambered surfaces of the arc-shaped clamping blocks I (204) and the arc-shaped clamping blocks II (205), and arc-shaped rubber pads II (307) are fixedly installed on the inner sides of the cambered surfaces of the arc-shaped abutting plates (303).

7. The mining machine metal drill bit handling equipment of claim 1, wherein: support rods (101) are fixedly arranged at four corners of the bottom plate (1), and hanging rings (102) are fixedly arranged at four corners of the top of the bottom plate (1).