CN220434738U - Mining pick with buffer structure - Google Patents
Mining pick with buffer structure Download PDFInfo
- Publication number
- CN220434738U CN220434738U CN202321893523.4U CN202321893523U CN220434738U CN 220434738 U CN220434738 U CN 220434738U CN 202321893523 U CN202321893523 U CN 202321893523U CN 220434738 U CN220434738 U CN 220434738U
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- Prior art keywords
- pick
- block
- rod
- fixedly connected
- structure according
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- 238000005065 mining Methods 0.000 title claims abstract description 20
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 2
- 239000011435 rock Substances 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model discloses a mining cutting pick with a buffer structure, which comprises a cutting pick, wherein the lower surface of the cutting pick is fixedly connected with the cutting pick, the outer surface of the cutting pick is provided with a length adjusting device, and the lower end of the cutting pick is provided with a buffer device.
Description
Technical Field
The utility model relates to the technical field of mining devices, in particular to a mining pick with a buffer structure.
Background
Pick mainly refers to one of parts on exploitation and tunneling equipment in the coal exploitation process, and people can finish the convenient construction of the engineering such as coal exploitation, tunnel, ground ditching and the like through the exploitation and tunneling equipment provided with the pick.
In the prior art, it is often necessary to mount the pick at the driving end of the mining driving apparatus, so that it will be subjected to a high resistance and a high vibration during use.
But in the in-service use, because the service environment of pick is comparatively abominable, consequently make its holistic damage rate higher, and when stratum hardness is great, the pick often can produce great vibrations when using to influence its holistic life, simultaneously when its use, owing to the different in the different development environment of keeping in the restraint that the pick of different shapes was adapted, consequently make people when need adjusting pick length, often need pull down the pick and change, consequently make its holistic suitability not good, in view of this, we propose a mining pick with buffer structure.
Disclosure of Invention
The utility model mainly aims to provide a mining cutting pick with a buffer structure, which solves the problems mentioned in the background art.
In order to achieve the above purpose, the mining cutting pick with the buffer structure comprises a cutting tooth, wherein the lower surface of the cutting tooth is fixedly connected with the cutting pick, the outer surface of the cutting pick is provided with a length adjusting device, and the lower end of the cutting pick is provided with a buffer device;
the buffering device comprises a connecting rod, an outer surface piston of the connecting rod is connected with an outer rod, the lower end of the connecting rod is fixedly connected with a piston block, the lower surface of the piston block is fixedly connected with a movable magnetic block, the lower end of the inner surface of the outer rod is fixedly connected with a fixed magnetic block, and the inner surface of the outer rod is fixedly connected with a stop block.
Preferably, the length adjusting device comprises a connecting ring, wherein the inner surface of the connecting ring is in threaded connection with a positioning bolt, and the outer surface of the positioning bolt is in threaded connection with the adjusting hole.
Preferably, the whole tooth that digs is set up to conical, the lower surface and the connecting rod fixed connection of pick, the upper surface department of outer pole has seted up the through-hole that runs through.
Preferably, the outer surface of the piston block is in sliding connection with the outer rod, and a plurality of groups of through holes penetrating through the inner surface of the piston block are formed.
Preferably, the lower surface of the piston block is elastically connected with the outer rod through a spring, and the movable magnetic block is arranged in a circular shape.
Preferably, the polarity of the lower surface of the movable magnetic block is the same as that of the upper surface of the fixed magnetic block, the stop block is arranged in a circular ring shape, and hydraulic oil is filled in the outer rod.
Preferably, the inner cambered surface of the connecting ring is provided with a plurality of groups of through holes in threaded connection, and the outer cambered surface of the cutting pick is provided with a plurality of groups of thread grooves.
Preferably, the inner surface of the connecting ring is provided with a through hole which penetrates through, and the outer cambered surface of the connecting ring is provided with a plurality of groups of cambered grooves.
Compared with the prior art, the utility model has the following beneficial effects:
(1) When the mining cutting pick with the buffer structure is used, the cutting pick can vibrate due to contact with rock stratum, vibration at the cutting pick position can drive the cutting pick and the connecting rod to integrally move towards the outer rod, hydraulic oil in the outer rod can block the piston block when the connecting rod drives the piston block to move and form motion damping, meanwhile, the piston block can simultaneously squeeze a spring at the lower end of the piston block when moving, so that the spring can buffer impact force, when the impact force is large, the piston block can drive the movable magnetic block to move towards the fixed magnetic block, and because the polarities of the two approaching surfaces are the same, repulsive force between the magnets can assist the spring to buffer the piston block, and therefore the damage rate of the cutting pick under the impact is reduced.
(2) When the exposed length of the cutting pick needs to be adjusted through the mining cutting pick with the buffer structure, the positioning bolt inside the connecting ring can be screwed out through the hexagonal wrench, the connecting ring can move on the outer surface of the cutting pick and can be adjusted to a proper position, and after adjustment is completed, the connecting ring can be connected to the outer surface of the cutting pick through the positioning bolt, so that the whole exposed distance is adjustable.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the outer rod section of the present utility model;
FIG. 3 is a schematic view of the cross section of the connecting ring of the present utility model.
In the figure: 1. digging teeth; 2. a buffer device; 3. a length adjusting device; 4. cutting pick; 201. a connecting rod; 202. an outer rod; 203. a piston block; 204. a movable magnetic block; 205. a stop block; 206. fixing the magnetic block; 301. a connecting ring; 302. positioning bolts; 303. and adjusting the hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the mining cutting pick with the buffer structure comprises a digging tooth 1, wherein the lower surface of the digging tooth 1 is fixedly connected with a cutting pick 4, the outer surface of the cutting pick 4 is provided with a length adjusting device 3, and the lower end of the cutting pick 4 is provided with a buffer device 2;
the buffer device 2 comprises a connecting rod 201, an outer rod 202 is connected to the outer surface of the connecting rod 201 in a piston manner, a piston block 203 is fixedly connected to the lower end of the connecting rod 201, a movable magnetic block 204 is fixedly connected to the lower surface of the piston block 203, a fixed magnetic block 206 is fixedly connected to the lower end of the inner surface of the outer rod 202, and a stop block 205 is fixedly connected to the inner surface of the outer rod 202.
Specifically, the whole of the tooth 1 is set to be conical, so that the tooth can extrude rock strata in the tunneling process, the lower surface of the cutting pick 4 is fixedly connected with the connecting rod 201, the penetrating through hole is formed in the upper surface of the outer rod 202, the connecting rod 201 can slide in the outer rod 202, the outer surface of the piston block 203 is in sliding connection with the outer rod 202, multiple groups of penetrating through holes are formed in the inner surface of the piston block 203, so that hydraulic oil in the outer rod 202 can block the movement when the piston block moves in the outer rod 202, the lower surface of the piston block 203 is elastically connected with the outer rod 202 through a spring, so that the device is free from external force, the spring can push the connecting rod 201 to be far away from the outer rod 202, the movable magnetic block 204 is in a circular ring shape, the lower surface of the movable magnetic block 204 and the upper surface of the fixed magnetic block 206 are identical in polarity, so that when the movable magnetic block 204 is close to each other, the movable magnetic block is buffered through repulsive force between the magnets, the stopper 205 is in a circular ring shape, and the inner part of the outer rod 202 is filled with hydraulic oil, so that the piston block 203 always receives a certain resistance when the inner rod 202 moves in the inner part.
In the embodiment of the utility model, the length adjusting device 3 comprises a connecting ring 301, wherein the inner surface of the connecting ring 301 is in threaded connection with a positioning bolt 302, and the outer surface of the positioning bolt 302 is in threaded connection with an adjusting hole 303.
Specifically, the inner cambered surface of the connecting ring 301 is provided with a plurality of groups of through holes in threaded connection, so that the connecting ring 301 can be mounted on the outer surface of the cutting pick 4 by the positioning bolt 302, the outer cambered surface of the cutting pick 4 is provided with a plurality of groups of threaded grooves, so that people can adjust the position of the connecting ring 301 in the range supported by the threaded grooves, the inner surface of the connecting ring 301 is provided with a through hole, the outer cambered surface of the connecting ring 301 is provided with a plurality of groups of arc-shaped grooves, and the end part of the positioning bolt 302 can be hidden inside the connecting ring 301.
When the device is impacted by external force, the digging tooth 1 is vibrated due to contact with rock stratum, vibration at the position of the digging tooth 1 drives the cutting pick 4 and the connecting rod 201 to integrally move towards the outer rod 202, hydraulic oil in the outer rod 202 can block the piston block 203 when the connecting rod 201 drives the piston block 203 to move and form motion damping, meanwhile, the piston block 203 can simultaneously squeeze a spring at the lower end of the piston block 203 when moving, so that the spring can buffer impact force, and when the impact force is larger, the piston block 203 can drive the movable magnetic block 204 to move towards the fixed magnetic block 206 along with the piston block, and because the polarities of the two approaching surfaces are the same, repulsive force between magnets can assist the spring force of the spring to buffer the piston block 203, so that the damage rate of the digging tooth 1 under the impact is reduced.
Meanwhile, when the exposed length of the cutting pick 4 needs to be adjusted, the positioning bolt 302 inside the connecting ring 301 can be screwed out through the hexagonal wrench, the connecting ring 301 can move on the outer surface of the cutting pick 4 and can be adjusted to a proper position, and after the adjustment is completed, the connecting ring 301 can be connected to the outer surface of the cutting pick 4 through the positioning bolt 302, so that the whole exposed distance is adjustable.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Mining pick with buffer structure, including driving tooth (1), its characterized in that: the cutting pick (4) is fixedly connected to the lower surface of the digging tooth (1), a length adjusting device (3) is arranged on the outer surface of the cutting pick (4), and a buffer device (2) is arranged at the lower end of the cutting pick (4);
the buffering device (2) comprises a connecting rod (201), an outer rod (202) is connected to an outer surface piston of the connecting rod (201), a piston block (203) is fixedly connected to the lower end of the connecting rod (201), a movable magnetic block (204) is fixedly connected to the lower surface of the piston block (203), a fixed magnetic block (206) is fixedly connected to the lower end of the inner surface of the outer rod (202), and a stop block (205) is fixedly connected to the inner surface of the outer rod (202).
2. A mining pick with cushioning structure according to claim 1, wherein: the length adjusting device (3) comprises a connecting ring (301), wherein a positioning bolt (302) is connected to the inner surface of the connecting ring (301) in a threaded mode, and the outer surface of the positioning bolt (302) is connected with an adjusting hole (303) in a threaded mode.
3. A mining pick with cushioning structure according to claim 1, wherein: the whole of the digging tooth (1) is conical, the lower surface of the cutting pick (4) is fixedly connected with the connecting rod (201), and a through hole penetrating through the upper surface of the outer rod (202) is formed.
4. A mining pick with cushioning structure according to claim 1, wherein: the outer surface of the piston block (203) is in sliding connection with the outer rod (202), and a plurality of groups of through holes penetrating through are formed in the inner surface of the piston block (203).
5. A mining pick with cushioning structure according to claim 1, wherein: the lower surface of the piston block (203) is elastically connected with the outer rod (202) through a spring, and the movable magnetic block (204) is arranged in a circular shape.
6. A mining pick with cushioning structure according to claim 1, wherein: the polarity of the lower surface of the movable magnetic block (204) is the same as that of the upper surface of the fixed magnetic block (206), the stop block (205) is arranged in a circular ring shape, and the inside of the outer rod (202) is filled with hydraulic oil.
7. A mining pick with cushioning structure according to claim 2, wherein: the inner cambered surface of the connecting ring (301) is provided with a plurality of groups of through holes in threaded connection, and the outer cambered surface of the cutting pick (4) is provided with a plurality of groups of thread grooves.
8. A mining pick with cushioning structure according to claim 2, wherein: the inner surface of the connecting ring (301) is provided with a through hole which penetrates through, and the outer cambered surface of the connecting ring (301) is provided with a plurality of groups of arc-shaped grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321893523.4U CN220434738U (en) | 2023-07-19 | 2023-07-19 | Mining pick with buffer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321893523.4U CN220434738U (en) | 2023-07-19 | 2023-07-19 | Mining pick with buffer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220434738U true CN220434738U (en) | 2024-02-02 |
Family
ID=89700523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321893523.4U Active CN220434738U (en) | 2023-07-19 | 2023-07-19 | Mining pick with buffer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220434738U (en) |
-
2023
- 2023-07-19 CN CN202321893523.4U patent/CN220434738U/en active Active
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