CN220226853U - Wear-resistant molded coal cutting pick - Google Patents
Wear-resistant molded coal cutting pick Download PDFInfo
- Publication number
- CN220226853U CN220226853U CN202223560529.8U CN202223560529U CN220226853U CN 220226853 U CN220226853 U CN 220226853U CN 202223560529 U CN202223560529 U CN 202223560529U CN 220226853 U CN220226853 U CN 220226853U
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- fixedly connected
- block
- pick
- tooth head
- sliding
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- 239000003245 coal Substances 0.000 title claims abstract description 24
- 238000005520 cutting process Methods 0.000 title claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims description 27
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000004484 Briquette Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 239000000428 dust Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 230000036346 tooth eruption Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model relates to the technical field of coal cutting picks, in particular to a wear-resistant molded coal cutting pick. The utility model comprises a support column, wherein one end of the support column is fixedly connected with a connecting block, the arc surface of the support column is fixedly connected with a plurality of reinforcing ribs, one end of the support column, which is far away from the connecting block, is provided with a tooth head, one end of the support column, which is close to the tooth head, is provided with an adjusting structure, the adjusting structure comprises an adjusting pipe, one end of the adjusting pipe is fixedly connected with the support column, the arc surface of the adjusting pipe is threaded and provided with a threaded ring in a penetrating way, the upper surface of the threaded ring is abutted with a sliding ring, and the upper surface of the sliding ring is fixedly connected with three ejector blocks. The problem of the pick can appear the wearing and tearing of different degree in the pick head position after long-time use, because the pick head on the pick commonly used is mostly unable to be taken down and be changed, lead to can only changing the pick whole, not only increased the cost of pick, simultaneously, the daily maintenance of the staff of being inconvenient for again is solved.
Description
Technical Field
The utility model relates to the technical field of coal cutting picks, in particular to a wear-resistant molded coal cutting pick.
Background
The mining cutting pick is one of vulnerable parts in coal mining and tunnel tunneling machinery, and is a main tool for coal dropping and coal crushing.
The utility model discloses a cutting pick of a coal cutter, which is disclosed in the publication No. CN212985211U, and relates to the cutting pick of the coal cutter, in order to solve the problems that the common cutting pick can be worn at different degrees after being used for a long time, the cutting pick can only be replaced as a whole due to the fact that most of the cutting pick on the common cutting pick cannot be removed for replacement, the manufacturing cost of the cutting pick is increased, and meanwhile, the daily maintenance of staff is inconvenient. The novel tooth-shaped support comprises a support body, one end of the support body is connected with a tooth head in a threaded mode, and grooves are formed in the upper surface and the lower surface of the support body. According to the cutting pick of the coal mining machine, through the arrangement of structures such as the support column, the tooth head, the fixing seat, the limiting rod, the limiting block, the adjusting pipe, the sliding block and the shell, one end of the support column is connected with the inside of the tooth head in a threaded mode.
In order to solve the abrasion of different degrees of the pick head position after long-time use, as the pick head on the pick commonly used can not be taken down for replacement, the pick can only be replaced as a whole, so that the manufacturing cost of the pick is increased, and meanwhile, the problem of inconvenient routine maintenance of staff is solved.
Disclosure of Invention
The utility model aims to solve the problems that in the prior art, the tooth heads of the cutting teeth are worn to different degrees after being used for a long time, and the common cutting teeth cannot be taken down for replacement, so that the whole cutting teeth can be replaced, the manufacturing cost of the cutting teeth is increased, and meanwhile, the daily maintenance of staff is inconvenient.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a wear-resisting moulded coal pick, includes the pillar, the one end fixedly connected with connecting block of pillar, the arc surface fixedly connected with of pillar a plurality of strengthening rib, the tooth head is installed to the one end that the connecting block was kept away from to the pillar, the one end that the pillar is close to the tooth head is equipped with regulation structure, regulation structure includes the regulation pipe, the one end and the pillar fixed connection of regulation pipe, the screwed ring has been worn to the arc surface screw thread of regulation pipe, the upper surface butt of screwed ring has the sliding ring, the upper surface fixedly connected with three kicking block of sliding ring, three regulating block has been worn to the arc surface slip of regulation pipe, three linking groove has been seted up to the arc surface of tooth head, linking groove and regulating block's size looks adaptation.
The effects achieved by the components are as follows: through setting up adjusting structure, personnel can dismantle the change to the tooth head conveniently, avoid the tooth head to need change the operation to whole pick because of long-time use surface produces wearing and tearing after.
Preferably, one end of the top block, which is close to the adjusting block, is fixedly connected with a plurality of arc plates, and the arc plates are uniformly distributed on one side of the top block.
The effects achieved by the components are as follows: the arc plate can reduce the friction force between the top block and the adjusting block, so that the effect of driving the adjusting block by the top block is improved.
Preferably, the upper surface fixedly connected with baffle of regulating block, one side fixedly connected with spring of baffle, the one end that the baffle was kept away from to the spring is fixedly connected with the governing pipe.
The effects achieved by the components are as follows: the spring can drive the adjusting block to retract and reset quickly, so that convenience for personnel to disassemble the tooth head is improved.
Preferably, the inner wall of the adjusting pipe is fixedly connected with two positioning rings, one end of the tooth head, which is close to the adjusting pipe, is fixedly connected with two positioning blocks, and the positioning blocks are matched with the positioning rings in size.
The effects achieved by the components are as follows: in the process of installing the tooth head, the positioning block on the tooth head can be inserted into the positioning ring on the inner wall of the adjusting pipe, so that the tooth head is prevented from being installed at a specified position.
Preferably, a sliding groove is formed in the arc surface of the adjusting pipe, a sliding block is fixedly connected to the inner wall of the sliding ring, and the sliding block is in sliding connection with the inner wall of the sliding groove.
The effects achieved by the components are as follows: through the cooperation of spout and slider, when the slider of slip ring on the regulation pipe arc face reciprocates the in-process, the slider of fixing on the slip ring removes along the inner wall of spout to make the removal process of slip ring more stable.
Preferably, the arc surface of the adjusting pipe is provided with an auxiliary structure, the auxiliary structure comprises a connecting block, a clamping groove is formed in one side of the connecting block, a protective cover is sleeved on the arc surface of the tooth head, two handles are fixedly connected with the arc surface of the protective cover, an elastic sheet is fixedly connected with the lower surface of the protective cover, and the elastic sheet is clamped with the clamping groove.
The effects achieved by the components are as follows: through setting up auxiliary structure, when the coal pick is being inapplicable to place, the protection casing can cover the tooth head to avoid the dust to fall on the tooth head, influence the next use of tooth head.
Preferably, the lower surface of the protective cover is fixedly connected with two guide rods, and the guide rods are in sliding connection with the connecting blocks.
The effects achieved by the components are as follows: during the process of installing the protective cover, the guide rod is inserted into the connecting block, so that the protective cover can be quickly installed at a designated position.
In summary, the beneficial effects of the utility model are as follows:
according to the utility model, through the arrangement of the adjusting structure, when the tooth head is required to be installed, one end of the tooth head is firstly placed into the inner wall of the adjusting pipe, at the moment, the positioning block on the tooth head is inserted into the positioning ring on the inner wall of the adjusting pipe, the tooth head is prevented from being installed at a specified position, the threaded ring is rotated to move the sliding ring, the sliding ring drives the top block fixedly connected with the sliding ring to move, the top block extrudes the adjusting block by virtue of the arc plate, the friction force between the top block and the adjusting block can be reduced by the arc plate, so that the effect of driving the adjusting block by the top block is improved, the adjusting block is connected with the connecting groove on the tooth head, and the tooth head is installed.
When the tooth head needs to be disassembled, only the threaded ring is required to be reversely rotated, at the moment, the adjusting block is quickly reset under the driving of the spring, when the adjusting block is separated from the connecting groove on the tooth head, the tooth head is moved to be disassembled, wherein, through the cooperation of the sliding groove and the sliding block, the sliding block fixed on the sliding ring moves along the inner wall of the sliding groove in the process that the sliding ring moves up and down on the arc surface of the adjusting pipe, so that the moving process of the sliding ring is more stable, a person can conveniently disassemble and replace the tooth head through the adjusting structure, and the whole cutting tooth head is required to be replaced after the long-time use surface abrasion is avoided.
According to the utility model, by arranging the auxiliary structure, when the tooth head needs to be protected, the protective cover is moved firstly, the protective cover drives the guide rod fixedly connected with the protective cover, the guide rod is inserted into the connecting block, and then the elastic piece is clamped with the clamping groove, so that the protective cover can be installed, and in the process of installing the protective cover, the guide rod is inserted into the connecting block firstly, so that the protective cover can be quickly installed at a designated position. Through setting up auxiliary structure, when the coal pick is being inapplicable to place, the protection casing can cover the tooth head to avoid the dust to fall on the tooth head, influence the next use of tooth head.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a partial structure of the present utility model;
FIG. 3 is a schematic structural view of the adjusting structure of the present utility model;
FIG. 4 is an enlarged view of the utility model at A of FIG. 3;
FIG. 5 is a partially disassembled schematic illustration of the adjustment structure of the present utility model;
FIG. 6 is a schematic view of an auxiliary structure of the present utility model;
fig. 7 is an enlarged view of fig. 6B in accordance with the present utility model.
Legend description: 1. a support post; 2. a tooth head; 3. an adjustment structure; 301. an adjusting tube; 302. a threaded ring; 303. a slip ring; 304. a top block; 305. an adjusting block; 306. a connection groove; 307. an arc plate; 308. a partition plate; 309. a spring; 310. a positioning block; 311. a positioning ring; 312. a chute; 313. a slide block; 4. an auxiliary structure; 41. a protective cover; 42. a handle; 43. an elastic sheet; 44. a joint block; 45. a clamping groove; 46. a guide rod; 5. a connecting block; 6. reinforcing ribs.
Detailed Description
Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a wear-resisting moulded coal pick, includes pillar 1, the one end fixedly connected with connecting block 5 of pillar 1, and the circular arc face fixedly connected with of pillar 1 is a plurality of strengthening rib 6, and tooth head 2 is installed to the one end that connecting block 5 was kept away from to pillar 1, and the one end that pillar 1 is close to tooth head 2 is equipped with regulation structure 3, and the circular arc face of adjusting tube 301 is equipped with auxiliary structure 4.
The specific arrangement and function of the adjustment structure 3 and the auxiliary structure 4 will be described in detail below.
Referring to fig. 2, 3, 4 and 5, in this embodiment: the adjusting structure 3 comprises an adjusting pipe 301, one end of the adjusting pipe 301 is fixedly connected with a strut 1, a threaded ring 302 is threaded on the circular arc surface of the adjusting pipe 301, a sliding ring 303 is abutted to the upper surface of the threaded ring 302, three top blocks 304 are fixedly connected to the upper surface of the sliding ring 303, three adjusting blocks 305 are slidably arranged on the circular arc surface of the adjusting pipe 301, three connecting grooves 306 are formed in the circular arc surface of the tooth head 2, the connecting grooves 306 are matched with the adjusting blocks 305 in size, a person can conveniently detach and replace the tooth head 2 through the adjusting structure 3, after the surface of the tooth head 2 is worn, the whole cutting pick is required to be replaced, one end of the top block 304 close to the adjusting block 305 is fixedly connected with a plurality of circular arc plates 307, the circular arc plates 307 are uniformly distributed on one side of the top block 304, friction force between the top block 304 and the adjusting block 305 is reduced, the effect of the top block 304 is improved, a partition 308 is fixedly connected to the upper surface of the adjusting block 305, one side of the partition 308 is fixedly connected with a spring 309, one side of the partition 309 is fixedly connected with one end of the spring 309, the spring 309 is far from the inner wall of the adjusting block 309, the inner wall of the tooth head 2 is provided with a sliding block 311, the inner wall of the tooth head 2 is fixedly connected with the sliding block 311, the sliding block 2 is fixedly connected with the sliding block 310, the inner wall of the sliding block 2 is fixedly arranged on the sliding block 2, and is fixedly connected with the sliding block 310, and is fixedly connected with the sliding block 3, and is fixedly connected with the sliding block 310, and is fixedly positioned with the sliding block 3, and is fixedly positioned on the sliding block 2, and is positioned by the sliding block 3, and is provided with the sliding block and has a sliding block 3, by the cooperation of the sliding groove 312 and the sliding block 313, when the sliding ring 303 moves up and down in the circular arc surface of the adjusting pipe 301, the sliding block 313 fixed on the sliding ring 303 moves along the inner wall of the sliding groove 312, so that the moving process of the sliding ring 303 is more stable.
Referring to fig. 6 and 7, in the present embodiment: the auxiliary structure 4 comprises a joint block 44, a clamping groove 45 is formed in one side of the joint block 44, a protective cover 41 is sleeved on the arc surface of the tooth head 2, two handles 42 are fixedly connected to the arc surface of the protective cover 41, an elastic sheet 43 is fixedly connected to the lower surface of the protective cover 41, the elastic sheet 43 is clamped with the clamping groove 45, and the protective cover 41 can cover the tooth head 2 through the auxiliary structure 4 when a coal cutting pick is not suitable for placement, so that dust is prevented from falling onto the tooth head 2, the next use of the tooth head 2 is affected, two guide rods 46 are fixedly connected to the lower surface of the protective cover 41, the guide rods 46 are in sliding connection with the joint block 44, and in the process of installing the protective cover 41, the guide rods 46 are inserted into the joint block 44, so that the protective cover 41 can be quickly installed at a designated position.
Working principle: according to the utility model, when the tooth head 2 is required to be installed, one end of the tooth head 2 is firstly placed into the inner wall of the adjusting pipe 301, at the moment, the positioning block 310 on the tooth head 2 is inserted into the positioning ring 311 on the inner wall of the adjusting pipe 301, the tooth head 2 is prevented from being installed at a specified position, the threaded ring 302 is rotated to drive the sliding ring 303 to move, the sliding ring 303 drives the top block 304 fixedly connected with the sliding ring to move, the top block 304 extrudes the adjusting block 305 by virtue of the arc plate 307, the arc plate 307 can reduce friction between the top block 304 and the adjusting block 305, so that the effect of driving the adjusting block 305 by the top block 304 is improved, the adjusting block 305 is connected with the connecting groove 306 on the tooth head 2, and the tooth head 2 is installed.
When the tooth head 2 needs to be disassembled, only the threaded ring 302 is required to be reversely rotated, at this time, the adjusting block 305 is quickly reset under the drive of the spring 309, when the adjusting block 305 is separated from the engagement groove 306 on the tooth head 2, the tooth head 2 is moved again to complete the disassembly, wherein, through the cooperation of the sliding groove 312 and the sliding block 313, when the sliding ring 303 moves up and down on the arc surface of the adjusting pipe 301, the sliding block 313 fixed on the sliding ring 303 moves along the inner wall of the sliding groove 312, so that the moving process of the sliding ring 303 is more stable, and by arranging the adjusting structure 3, personnel can conveniently disassemble and replace the tooth head 2, so that the whole cutting pick is required to be replaced after the tooth head 2 is worn due to the long-time use surface.
In the utility model, by arranging the auxiliary structure 4, when the tooth head 2 needs to be protected, the protective cover 41 is moved firstly, the protective cover 41 drives the guide rod 46 fixedly connected with the protective cover 41, the guide rod 46 is inserted into the connecting block 44, and then the elastic piece 43 is clamped with the clamping groove 45, so that the protective cover 41 can be installed, wherein in the process of installing the protective cover 41, the guide rod 46 is inserted into the connecting block 44 firstly, and the protective cover 41 can be quickly installed at a designated position. Through setting up auxiliary structure 4, when the coal pick is not suitable for placing, protection casing 41 can cover tooth head 2 to avoid the dust to fall on tooth head 2, influence tooth head 2's the next use.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
Claims (7)
1. Wear-resisting moulded coal pick, including pillar (1), its characterized in that: the one end fixedly connected with connecting block (5) of pillar (1), the arc surface fixedly connected with of pillar (1) a plurality of strengthening rib (6), tooth head (2) are installed to the one end that connecting block (5) was kept away from to pillar (1), the one end that pillar (1) is close to tooth head (2) is equipped with regulation structure (3), regulation structure (3) are including regulation pipe (301), the one end and the pillar (1) fixed connection of regulation pipe (301), threaded ring (302) are worn to the arc surface screw thread of regulation pipe (301), the upper surface butt of threaded ring (302) has sliding ring (303), the upper surface fixedly connected with three kicking block (304) of sliding ring (303), three linking groove (306) have been seted up to the arc surface slip of tooth head (2), size looks adaptation of linking groove (306) and regulating block (305).
2. A wear resistant coal pick as claimed in claim 1, wherein: one end of the top block (304) close to the adjusting block (305) is fixedly connected with a plurality of arc plates (307), and the arc plates (307) are uniformly distributed on one side of the top block (304).
3. A wear resistant coal pick as claimed in claim 1, wherein: the upper surface fixedly connected with baffle (308) of regulating block (305), one side fixedly connected with spring (309) of baffle (308), the one end that baffle (308) was kept away from to spring (309) is fixedly connected with regulation pipe (301).
4. A wear resistant coal pick as claimed in claim 1, wherein: the inner wall of the adjusting pipe (301) is fixedly connected with two positioning rings (311), one end of the tooth head (2) close to the adjusting pipe (301) is fixedly connected with two positioning blocks (310), and the positioning blocks (310) are matched with the positioning rings (311) in size.
5. A wear resistant coal pick as claimed in claim 1, wherein: a sliding groove (312) is formed in the arc surface of the adjusting pipe (301), a sliding block (313) is fixedly connected to the inner wall of the sliding ring (303), and the sliding block (313) is slidably connected with the inner wall of the sliding groove (312).
6. A wear resistant coal pick as claimed in claim 1, wherein: the arc surface of adjusting tube (301) is equipped with auxiliary structure (4), auxiliary structure (4) are including linking piece (44), draw-in groove (45) have been seted up to one side of linking piece (44), the arc surface cover of tooth head (2) is equipped with protection casing (41), the arc surface fixedly connected with of protection casing (41) two handles (42), the lower surface fixedly connected with elastic sheet (43) of protection casing (41), elastic sheet (43) and draw-in groove (45) looks joint.
7. The wear resistant briquette cutting pick as set forth in claim 6, wherein: two guide rods (46) are fixedly connected to the lower surface of the protective cover (41), and the guide rods (46) are in sliding connection with the connecting blocks (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223560529.8U CN220226853U (en) | 2022-12-30 | 2022-12-30 | Wear-resistant molded coal cutting pick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223560529.8U CN220226853U (en) | 2022-12-30 | 2022-12-30 | Wear-resistant molded coal cutting pick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220226853U true CN220226853U (en) | 2023-12-22 |
Family
ID=89183294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223560529.8U Active CN220226853U (en) | 2022-12-30 | 2022-12-30 | Wear-resistant molded coal cutting pick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220226853U (en) |
-
2022
- 2022-12-30 CN CN202223560529.8U patent/CN220226853U/en active Active
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