CN216691076U - Coal mining development machine cutterhead protector - Google Patents
Coal mining development machine cutterhead protector Download PDFInfo
- Publication number
- CN216691076U CN216691076U CN202123079983.7U CN202123079983U CN216691076U CN 216691076 U CN216691076 U CN 216691076U CN 202123079983 U CN202123079983 U CN 202123079983U CN 216691076 U CN216691076 U CN 216691076U
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- CN
- China
- Prior art keywords
- shell
- wall
- coal mining
- driving piece
- cutting head
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000003245 coal Substances 0.000 title claims abstract description 42
- 238000005065 mining Methods 0.000 title claims abstract description 25
- 230000001012 protector Effects 0.000 title description 5
- 230000005641 tunneling Effects 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 19
- 239000004744 fabric Substances 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000004575 stone Substances 0.000 abstract description 7
- 239000003818 cinder Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 241000581613 Alchemilla arvensis Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The utility model relates to the technical field of coal mining tunneling machines, and discloses a cutting head protection device of a coal mining tunneling machine, which comprises a driving piece, wherein the output end of the driving piece is fixedly connected with a horizontal driving rod, the left side of the driving rod is provided with a shell, the left side wall of the shell is provided with an opening, a cutting head is arranged inside the shell, the middle part of the right side wall of the shell is provided with a through hole, the left end of the driving rod penetrates through the through hole and is fixedly connected with the middle part of the right end of the cutting head, and the upper side and the lower side of the outer wall of the driving piece are fixedly provided with hydraulic cylinders. When the coal mine cutting machine is used for tunneling, broken stones and coal blocks which collide with the cutting head and are blown away from a coal mine can be conveniently blocked, and the condition that workers and tunneling machine equipment are damaged by the broken stones and the coal blocks is reduced; when the tunneling machine is not used for tunneling, the cutting head is convenient to protect and is not easy to collide with objects or workers.
Description
Technical Field
The utility model relates to the technical field of coal mining heading machines, in particular to a cutting head protection device of a coal mining heading machine.
Background
The development machine is the key equipment of coal mining, can realize cutting, loading, transshipment transportation, transfer walking and the combined unit of spraying dust suppression, and its high efficiency, steady work are favorable to improving coal mining efficiency.
When the existing coal mining development machine cutting head protection device is used for tunneling, the cutting head collides with a coal mine to break stone blocks and coal blocks, workers and development machine equipment are damaged, the cutting head is not convenient to protect when the coal mining development machine cutting head protection device is not used for tunneling, the cutting head is easy to collide with objects or workers, and therefore the coal mining development machine cutting head protection device is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that in the prior art, when a cutting head collides with a coal mine, broken stone blocks and coal blocks are blown away and damage workers and development machine equipment, the cutting head is inconvenient to protect when the coal mine is not developed, and the cutting head is easy to collide with objects or workers, and provides a cutting head protection device of a coal mining development machine.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a coal mining entry driving machine cutterhead protector, includes the driving piece, the output fixed connection of driving piece has the horizontally actuating lever, the left side of actuating lever is provided with the casing, the opening has been seted up to the left side wall of casing, the inside of casing is provided with the cutterhead, the through-hole has been seted up at the right side wall middle part of casing, the left end of actuating lever pass the through-hole and with the right-hand member middle part fixed connection of cutterhead, both sides are all fixed and are equipped with the pneumatic cylinder about the outer wall of driving piece, two the piston rod end of pneumatic cylinder is located the upper and lower both sides department fixed connection of actuating lever with the right side outer wall of casing respectively, both sides are all fixed and are equipped with pushing mechanism about the outer wall of driving piece, the outer wall of driving piece is located the fixed protection mechanism that is equipped with in two pushing mechanism's right side department.
Preferably, the pushing mechanism comprises two hydraulic cylinders, and the tail ends of piston rods of the two hydraulic cylinders are fixedly connected with the upper side and the lower side of the through hole of the outer wall of the right side of the shell respectively.
Preferably, the protection mechanism comprises a plurality of U-shaped blocks, a plurality of L-shaped rods, a plurality of fixing rods, a plurality of connecting rods and protection cloth, the U-shaped blocks are fixedly arranged on the outer wall of the driving piece at equal intervals and are located on the right sides of the two pushing mechanisms, the lower ends of the vertical parts of the L-shaped rods are hinged to the inner side walls of the U-shaped blocks respectively, the tail ends of the horizontal parts of the L-shaped rods are located on the left sides of the vertical parts, the connecting rods are hinged to the middle parts of one sides, close to the driving piece, of the horizontal parts of the L-shaped rods respectively, the fixing rods are horizontally and fixedly arranged on the outer wall of the right side of the shell and corresponding to the connecting rods, the other ends of the connecting rods are hinged to the right ends of the corresponding fixing rods, and the protection cloth is fixedly arranged on the outer portions of the L-shaped rods.
Preferably, the outer side wall of the shell is fixedly sleeved with a buffer sleeve.
Preferably, the buffer sleeve is a wear-resistant rubber sleeve.
Preferably, the protective cloth is wear-resistant nylon cloth.
Compared with the prior art, the utility model provides a coal mining heading machine cutting head protection device, which has the following beneficial effects:
1. this coal mining entry driving machine cutterhead protector, through casing, pushing mechanism and the protection machanism that is equipped with, when the tunnelling, can be convenient for block the clastic block and the coal cinder that the cutterhead collided with the colliery and collapses and fly, reduced staff and entry driving machine equipment and had been collapsed the condition emergence of the clastic block and the coal cinder injury that fly.
2. The coal mining heading machine cutting head protection device is convenient for protecting the cutting head when the coal mining heading machine is not heading through the shell, the pushing mechanism and the protection mechanism, and the cutting head is not easy to collide with objects or workers.
The parts which are not involved in the device are the same as or can be realized by adopting the prior art, and when the device is used for tunneling, the broken stone blocks and the coal blocks which are collided and broken away by the cutting head and a coal mine can be conveniently blocked, so that the condition that workers and tunneling machine equipment are damaged by the broken stone blocks and the coal blocks is reduced; when the tunneling machine is not used for tunneling, the cutting head is convenient to protect and is not easy to collide with objects or workers.
Drawings
Fig. 1 is a schematic structural diagram of a coal mining heading machine cutting head protection device provided by the utility model;
fig. 2 is a schematic structural view of the protection device in fig. 1 after being opened.
In the figure: the cutting head comprises a cutting head 1, a shell 2, a buffer sleeve 3, a fixing rod 4, a driving rod 5, a connecting rod 6, a rod 7L, protective cloth 8, a hydraulic cylinder 9, a U-shaped block 10 and a driving piece 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a coal mining heading machine cutterhead protector comprises a driving piece 11, an output end of the driving piece 11 is fixedly connected with a horizontal driving rod 5, a shell 2 is arranged on the left side of the driving rod 5, an opening is formed in the left side wall of the shell 2, a cutterhead 1 is arranged inside the shell 2, a through hole is formed in the middle of the right side wall of the shell 2, the left end of the driving rod 5 penetrates through the through hole and is fixedly connected with the middle of the right end of the cutterhead 1, hydraulic cylinders 9 are fixedly arranged on the upper side and the lower side of the outer wall of the driving piece 11, the tail ends of piston rods of the two hydraulic cylinders 9 are fixedly connected with the upper side and the lower side of the outer wall of the shell 2 respectively, pushing mechanisms are fixedly arranged on the upper side and the lower side of the outer wall of the driving piece 11 and comprise two hydraulic cylinders 9, and the tail ends of piston rods of the two hydraulic cylinders 9 are fixedly connected with the upper side and the lower side of the outer wall of the through hole respectively.
The outer wall of the driving piece 11 is fixedly provided with a protection mechanism at the right side of the two pushing mechanisms. Protection machanism includes a plurality of U-shaped piece 10, a plurality of L shape pole 7, a plurality of dead lever 4, a plurality of connecting rods 6 and protection cloth 8, a plurality of U-shaped piece 10 equidistant fixed setting is located two pushing mechanism's right side department at the outer wall of driving piece 11, a plurality of L shape pole 7's vertical portion lower extreme is articulated mutually with the inboard wall of a plurality of U-shaped piece 10 respectively, the horizontal part end of a plurality of L shape poles 7 all is located the left side department of vertical portion, a plurality of connecting rods 6's one end is articulated mutually with the one side middle part that a plurality of L shape pole 7's horizontal part is close to driving piece 11 respectively, a plurality of dead lever 4 levels are fixed to be set up in the right side outer wall of casing 2 and the position department that corresponds of a plurality of connecting rods 6, a plurality of connecting rods 6's the other end all is articulated mutually with the right-hand member that corresponds dead lever 4, protection cloth 8 fixed cover is established outside the horizontal part of a plurality of L shape pole 7.
The fixed cover of lateral wall of casing 2 is equipped with buffer housing 3, and buffer housing 3 can provide the buffering when 2 outer walls of casing collide object or personnel.
The buffer sleeve 3 is a wear-resistant rubber sleeve which has good wear resistance and long service life.
The protective cloth 8 is wear-resistant nylon cloth which has good wear resistance and long service life.
In the utility model, when in tunneling, two hydraulic cylinders 9 are started, piston rods of the hydraulic cylinders 9 drive a shell 2 to move rightwards, the shell 2 drives a plurality of L-shaped rods 7 to rotate 90 degrees through a plurality of fixing rods 4 and corresponding connecting rods 6 when moving, the plurality of L-shaped rods 7 drive protective cloth 8 to prop up, the L-shaped rods 7 and the protective cloth 8 can block broken stones and coal blocks which collide and burst from a cutting head 1 and a coal mine, the condition that workers and tunneling machine equipment are damaged by the broken stones and the coal blocks is reduced, when in no tunneling, the two hydraulic cylinders 9 are started, the piston rods of the hydraulic cylinders 9 drive the shell 2 to move leftwards, the shell 2 drives the plurality of L-shaped rods 7 to reset through the plurality of fixing rods 4 and the corresponding connecting rods 6 when moving, the shell 2 protects the cutting head 1, and the cutting head 1 is not easy to collide with objects or workers.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A coal mining heading machine cutting head protection device comprises a driving piece (11) and is characterized in that the output end of the driving piece (11) is fixedly connected with a horizontal driving rod (5), the left side of the driving rod (5) is provided with a shell (2), the left side wall of the shell (2) is provided with an opening, a cutting head (1) is arranged inside the shell (2), the middle part of the right side wall of the shell (2) is provided with a through hole, the left end of the driving rod (5) penetrates through the through hole and is fixedly connected with the middle part of the right end of the cutting head (1), the upper side and the lower side of the outer wall of the driving piece (11) are both fixedly provided with hydraulic cylinders (9), the tail ends of piston rods of the two hydraulic cylinders (9) are respectively fixedly connected with the outer wall of the right side of the shell (2) at the upper side and the lower side of the driving rod (5), the upper side and the lower side of the outer wall of the driving piece (11) are both fixedly provided with pushing mechanisms, and the outer wall of the driving piece (11) is fixedly provided with a protection mechanism at the right side of the two pushing mechanisms.
2. The cutter head protection device of the coal mining heading machine according to claim 1, wherein the pushing mechanism comprises two hydraulic cylinders (9), and the tail ends of piston rods of the two hydraulic cylinders (9) are fixedly connected with the outer wall of the right side of the shell (2) at the upper side and the lower side of the through hole respectively.
3. The coal mining and tunneling machine cutterhead protection device according to claim 1, characterized in that the protection mechanism comprises a plurality of U-shaped blocks (10), a plurality of L-shaped bars (7), a plurality of fixing bars (4), a plurality of connecting bars (6) and a protection cloth (8), the plurality of U-shaped blocks (10) are fixedly arranged on the outer wall of the driving piece (11) at equal intervals and are positioned at the right sides of the two pushing mechanisms, the lower ends of the vertical parts of the plurality of L-shaped bars (7) are respectively hinged with the inner side walls of the plurality of U-shaped blocks (10), the tail ends of the horizontal parts of the plurality of L-shaped bars (7) are respectively positioned at the left sides of the vertical parts, one ends of the plurality of connecting bars (6) are respectively hinged with the middle parts of the horizontal parts of the plurality of L-shaped bars (7) at one side close to the driving piece (11), the plurality of fixing bars (4) are horizontally and fixedly arranged at the positions of the outer wall of the right side of the shell (2) corresponding to the plurality of connecting bars (6), the other ends of the connecting rods (6) are hinged to the right end of the corresponding fixing rod (4), and the protective cloth (8) is fixedly sleeved outside the horizontal parts of the L-shaped rods (7).
4. A coal mining entry-driving machine cutter head protection device according to claim 1, characterized in that the outer side wall of the casing (2) is fixedly sleeved with a buffer sleeve (3).
5. A coal mining entry-driving machine cutter head protection device according to claim 4, characterized in that the buffer sleeve (3) is a wear-resistant rubber sleeve.
6. A coal mining entry-driving machine cutter head guard according to claim 3 characterized in that the guard cloth (8) is wear resistant nylon cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123079983.7U CN216691076U (en) | 2021-12-09 | 2021-12-09 | Coal mining development machine cutterhead protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123079983.7U CN216691076U (en) | 2021-12-09 | 2021-12-09 | Coal mining development machine cutterhead protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216691076U true CN216691076U (en) | 2022-06-07 |
Family
ID=81837575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123079983.7U Expired - Fee Related CN216691076U (en) | 2021-12-09 | 2021-12-09 | Coal mining development machine cutterhead protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216691076U (en) |
-
2021
- 2021-12-09 CN CN202123079983.7U patent/CN216691076U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220607 |