CN212502382U - Waste rock blocking device - Google Patents
Waste rock blocking device Download PDFInfo
- Publication number
- CN212502382U CN212502382U CN202020884767.6U CN202020884767U CN212502382U CN 212502382 U CN212502382 U CN 212502382U CN 202020884767 U CN202020884767 U CN 202020884767U CN 212502382 U CN212502382 U CN 212502382U
- Authority
- CN
- China
- Prior art keywords
- waste rock
- rock blocking
- upright post
- piston
- shock absorber
- Prior art date
- 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
Links
- 239000010878 waste rock Substances 0.000 title claims abstract description 60
- 230000000903 blocking effect Effects 0.000 title claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 230000035939 shock Effects 0.000 claims abstract description 28
- 239000006096 absorbing agent Substances 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 3
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000003245 coal Substances 0.000 abstract description 14
- 230000004888 barrier function Effects 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 4
- 238000005065 mining Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Vibration Dampers (AREA)
Abstract
The utility model discloses keep off cash device belongs to the coal mining field, and the purpose is solved current fender cash board and is fragile problem under the impact, provides the security, increase of service life. Comprises a waste rock blocking plate, a stand column, a transmission rod and a shock absorber; the shock absorber is positioned above the transmission rod along the vertical direction; the upright post is provided with an installation window; the transmission rod is inserted into the mounting window and is hinged with the upright post; the transmission rod comprises a connecting section positioned on one side of the upright post and a transmission section positioned on the other side of the upright post; the linkage segment is articulated mutually with the waste rock blocking board, and the transmission section is connected with the one end of bumper shock absorber, and the other end that the bumper shock absorber is connected with the transmission pole upwards extends and is connected with the stand to one side. The utility model discloses a keep off cash device has reduced coal, pole to the impact of keeping off the cash board, has reduced the cash board and has received risks such as impact deformation, destruction, has prolonged the life of keeping off the cash board, has guaranteed the barrier propterty of keeping off the cash board, and through not protecting tail facility and cable, export operation personnel's safety under can also guaranteeing has reduced the safety risk.
Description
Technical Field
The utility model belongs to the coal mining field, specificly be the waste rock blocking device.
Background
In the coal mining at present, it sets up the effect that the waste rock board played the protection of keeping off the waste rock to combine working face scraper conveyor lower cargo mouth and haulage way bridge type elevating conveyor tail T type handing-over department at big inclination usually, and the waste rock board both sides are direct to be connected with corresponding the stand, and barrier propterty is poor, and yielding has very big potential safety hazard. For example, when the coal cutter falls coal, the rib is broken on the working face, the top is leaked, and the like, large blocks of coal and waste rock are influenced by the gradient of the working face, the downward impact force is large, the lower outlet coal (waste rock) blocking plate is easily damaged, the tail facilities and cables are damaged, the overhaul workload of workers is increased, the production is seriously influenced, and even safety accidents are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a keep off cash device solves the fragile problem of current fender cash board under the impact, provides the security, increase of service life.
The utility model adopts the technical proposal that: the waste rock blocking device comprises a waste rock blocking plate and stand columns positioned on two sides of the waste rock blocking plate, wherein a connecting mechanism is arranged between the stand columns and the waste rock blocking plate; the connecting mechanism comprises a transmission rod and a shock absorber; the shock absorber is positioned above the transmission rod along the vertical direction;
the upright post is provided with an installation window; the transmission rod is inserted into the mounting window and is hinged with the upright post; the transfer rod comprises a connecting section which is positioned on one side of the upright and is adjacent to the waste rock blocking plate and a transfer section which is positioned on the other side of the upright; the connecting section is articulated mutually with the waste rock blocking plate, and the transmission section is connected with the one end of bumper shock absorber, and the other end that the bumper shock absorber is connected with the transmission pole extends upwards to one side and is connected with the stand.
Furthermore, an included angle which is larger than 90 degrees and smaller than 180 degrees is arranged between the connecting section and the transmission section.
Furthermore, be provided with the stopper on the stand, the stopper is located the below of the transmission section of transmission pole, and stopper and waste rock blocking plate separated stand both sides.
Furthermore, a buffer block is further arranged between the limiting block and the transmission section of the transmission rod, and the buffer block is installed on the limiting block.
Further, the shock absorber comprises a telescopic spring and a telescopic oil cylinder; the piston rod end of the telescopic oil cylinder is hinged with the transfer rod, and the cylinder body end of the telescopic oil cylinder is hinged with the upright post; the telescopic spring is coaxial with the telescopic oil cylinder, the telescopic spring is sleeved on the periphery of the telescopic oil cylinder, one end of the telescopic spring is hinged with the transmission rod, and the other end of the telescopic spring is fixedly connected with the outer wall of the telescopic oil cylinder body.
Furthermore, the telescopic oil cylinder comprises a cylinder body, a piston and a piston rod; the cylinder body comprises a side wall, a left end wall positioned at one end and a right end wall positioned at the other end; the oil storage cavity is surrounded by the side wall, the left end wall and the right end wall, and an oil filling hole for filling oil into the oil storage cavity is arranged on the cylinder body;
the piston is arranged in the cylinder body; the piston is in sliding fit with the side wall of the cylinder body along the axial direction of the cylinder body; the oil containing cavity is divided into a cavity A and a cavity B by a piston; the piston is provided with a buffer oil hole for communicating the cavity A and the cavity B;
the left side wall of the cylinder body is provided with a mounting hole, one end of the piston rod penetrates through the mounting hole to be fixedly connected with the piston, and an oil seal structure is arranged between the outer wall of the piston rod and the hole wall of the mounting hole.
Furthermore, two sets of connecting mechanisms are arranged along the vertical direction of one upright post.
The utility model has the advantages that: the utility model discloses a waste rock blocking device cushions through adopting the bumper shock absorber to and the transmission pole articulates in the stand, its linkage segment is articulated mutually with the waste rock blocking board, transmission segment and bumper shock absorber articulated lever principle have reduced the coal, the impact of pole to the waste rock blocking board, reduced the waste rock blocking board and received the impact deformation, risk such as destruction, prolonged the life of waste rock blocking board, guaranteed the barrier properties of waste rock blocking board, through not protecting tail facility and cable, export operation personnel's safety under can also guaranteeing, the safety risk has been reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic diagram of the telescopic cylinder.
In the figure, the waste rock blocking plate 1, the upright post 2, the mounting window 21, the transmission rod 3, the connecting section 31, the transmission section 32, the shock absorber 4, the telescopic spring 41, the telescopic oil cylinder 42, the cylinder body 421, the piston 422, the piston rod 423, the oil filling hole 424, the cavity A425, the cavity B426 and the buffer oil hole 427. A limiting block 6 and a buffer block 7.
Detailed Description
The invention is further described below with reference to the following figures and examples:
the waste rock blocking device comprises a waste rock blocking plate 1 and stand columns 2 positioned on two sides of the waste rock blocking plate 1, wherein a connecting mechanism is arranged between the stand columns 2 and the waste rock blocking plate 1; the connecting mechanism comprises a transmission rod 3 and a shock absorber 4; the damper 4 is positioned above the transfer rod 3 along the vertical direction;
the upright post 2 is provided with a mounting window 21; the transmission rod 3 is inserted into the mounting window 21 and hinged with the upright post 2; the transfer rod 3 comprises a connecting section 31 which is positioned on one side of the upright post 2 and is adjacent to the gangue blocking plate 1 and a transfer section 32 which is positioned on the other side of the upright post 2; the connecting section 31 is hinged to the waste rock blocking plate 1, the transmission section 32 is connected with one end of the shock absorber 4, and the other end of the shock absorber 4, which is connected with the transmission rod 3, extends obliquely upwards and is connected with the upright post 2.
The utility model discloses a waste rock blocking device articulates in stand 2 through transmission pole 3, and its linkage segment 31 is articulated mutually with waste rock blocking plate 1, and transmission segment 32 is articulated with bumper shock absorber 4, on the one hand, receives the impact of coal, waste rock at waste rock blocking plate 1 under, and waste rock blocking plate 1 transmits the impact force for bumper shock absorber 4 through transmission pole 3, and bumper shock absorber 4 transmits the impact force for stand 2, has slowly reduced the impact to waste rock blocking plate 1. On the other hand, traditional fixed connection mode between waste rock blocking plate 1 and stand 2 is improved to swing joint, under the impact of coal, waste rock blocking plate 1, it can be lifted up around the pin joint of transfer rod 3 and stand 2, thereby the impact of coal, waste rock to waste rock blocking plate 1 and stand 2 has been alleviated, risk such as waste rock blocking plate 1 receives the impact deformation, destroys has been reduced, do benefit to the life who prolongs waste rock blocking plate 1, and after the impact of coal, waste rock disappears, waste rock blocking plate 1 is under the dead weight effect, automatic re-setting continues to drop into follow-up protection work, reduce safe risk, improve the barrier propterty of waste rock blocking plate 1.
Preferably, an included angle greater than 90 ° and less than 180 ° is provided between the connecting section 31 and the transfer section 32.
In order to limit the transmission rod 3 below the transmission rod 3 and reduce the downward movement range of the transmission section 32 of the transmission rod 3, preferably, the stand column 2 is provided with a limit block 6, the limit block 6 is located below the transmission section 32 of the transmission rod 3, and the limit block 6 and the waste rock blocking plate 1 are separated on two sides of the stand column 2.
The setting of stopper 6 has injectd the downward pivoted motion range of transmission section 32 of transmission pole 3 to injectd the height that keeps off waste rock board 1 and lift from along vertical under the impact such as coal gangue, avoided keeping off waste rock board 1 and lift from the back of high along vertical, the whereabouts produces too big impact force under the dead weight effect, causes destruction such as bumper shock absorber 4.
In order to relieve the impact force of the transmission rod 3 impacting the limit block 6, preferably, a buffer block 7 is further arranged between the limit block 6 and the transmission section 32 of the transmission rod 3, and the buffer block 7 is mounted on the limit block 6.
The buffer block 7 is made of rubber and the like and has elasticity, the hardness of the buffer block is far smaller than that of the transmission rod 3 and the limiting block 6, when the transmission rod 3 is in contact with the buffer block, the transmission rod 3 and the limiting block 6 are in flexible contact, and damage to relevant parts and noise caused by hard collision between the transmission rod 3 and the limiting block 6 are reduced.
The shock absorber 4 may be a separate spring, but, in order to improve shock absorbing performance, as shown in fig. 2, the shock absorber 4 includes a telescopic spring 41 and a telescopic cylinder 42; the piston rod end of the telescopic oil cylinder 42 is hinged with the transfer rod 3, and the cylinder body end of the telescopic oil cylinder 42 is hinged with the upright post 2; the telescopic spring 41 is coaxial with the telescopic oil cylinder 42, the telescopic spring 41 is sleeved on the periphery of the telescopic oil cylinder 42, one end of the telescopic spring 41 is hinged with the transmission rod 3, and the other end of the telescopic spring is fixedly connected with the outer wall of the cylinder body of the telescopic oil cylinder 42. This structure, through the setting of telescopic cylinder 42, has slowed down the speed that resets of expanding spring 41, can more effectively avoid strikeing. And the telescopic spring 41 is sleeved outside the telescopic oil cylinder 42, and the telescopic oil cylinder are coaxially arranged, so that the stability of the shock absorber 4 can be improved, and the arrangement space of parts is saved.
In order to generate a damping effect when the telescopic cylinder 42 extends and contracts and limit the reaction force when the telescopic spring 41 compresses or rebounds, it is preferable that the telescopic cylinder 42 includes a cylinder 421, a piston 422, and a piston rod 423 as shown in fig. 3; the cylinder 421 includes a side wall and a left end wall at one end and a right end wall at the other end; the cylinder block 421 is provided with an oil filling hole 424 for filling oil into the oil containing cavity;
the piston 422 is arranged in the cylinder 421; and along the axial direction of the cylinder 421, the piston 422 is in sliding fit with the side wall of the cylinder 421; the oil containing cavity is divided into an A cavity 425 and a B cavity 426 by a piston 422; a buffer oil hole 427 for communicating the cavity A425 and the cavity B426 is arranged on the piston 422;
the left side wall of the cylinder 421 is provided with a mounting hole, one end of the piston rod 423 penetrates through the mounting hole to be fixedly connected with the piston 422, and an oil seal structure is arranged between the outer wall of the piston rod 423 and the hole wall of the mounting hole.
When the piston rod 423 pushes the piston 422 to move linearly towards the B cavity 426, the oil in the B cavity 426 flows into the a cavity 425 through the buffer oil hole 427 on the piston 422 due to the pressure of the oil, and the oil in the B cavity 426 flows into the a cavity 425 for a longer time due to the smaller buffer oil hole 427, so that the piston is forced to move slowly. Similarly, when the piston rod 423 drives the piston 422 to move linearly toward the a-cavity 425, the oil in the a-cavity 425 is squeezed and flows into the a-cavity 425 through the oil buffer hole 427 of the piston 422, so that the piston 422 moves slowly.
In order to improve the stability of the gangue blocking plate 1 mounted on the upright post 2, preferably, two sets of connecting mechanisms are vertically arranged on one upright post 2.
Claims (7)
1. Waste rock blocking device, including waste rock blocking plate (1), be located stand (2) of waste rock blocking plate (1) both sides, its characterized in that: a connecting mechanism is arranged between the upright post (2) and the waste rock blocking plate (1); the connecting mechanism comprises a transmission rod (3) and a shock absorber (4); the shock absorber (4) is positioned above the transfer rod (3) along the vertical direction;
the upright post (2) is provided with an installation window (21); the transmission rod (3) is inserted into the mounting window (21) and hinged with the upright post (2); the transfer rod (3) comprises a connecting section (31) which is positioned on one side of the upright post (2) and is adjacent to the waste rock blocking plate (1) and a transfer section (32) which is positioned on the other side of the upright post (2); the connecting section (31) is hinged to the waste rock blocking plate (1), the transmission section (32) is connected with one end of the shock absorber (4), and the other end of the shock absorber (4) connected with the transmission rod (3) extends upwards in an inclined mode and is connected with the stand column (2).
2. The waste rock blocking device of claim 1, characterized in that: an included angle which is larger than 90 degrees and smaller than 180 degrees is arranged between the connecting section (31) and the transmission section (32).
3. The waste rock blocking device of claim 1 or 2, characterized in that: be provided with stopper (6) on stand (2), stopper (6) are located the below of transmission section (32) of transmission pole (3), and stopper (6) and waste rock blocking plate (1) separated stand (2) both sides.
4. The waste rock blocking device of claim 3, characterized in that: a buffer block (7) is further arranged between the limiting block (6) and the transmission section (32) of the transmission rod (3), and the buffer block (7) is installed on the limiting block (6).
5. The waste rock blocking device of claim 1 or 2, characterized in that: the shock absorber (4) comprises a telescopic spring (41) and a telescopic oil cylinder (42); the piston rod end of the telescopic oil cylinder (42) is hinged with the transfer rod (3), and the cylinder body end of the telescopic oil cylinder (42) is hinged with the upright post (2); the telescopic spring (41) is coaxial with the telescopic oil cylinder (42), the telescopic spring (41) is sleeved on the periphery of the telescopic oil cylinder (42), one end of the telescopic spring (41) is hinged with the transfer rod (3), and the other end of the telescopic spring is fixedly connected with the outer wall of the cylinder body of the telescopic oil cylinder (42).
6. The waste rock blocking device of claim 5, characterized in that: the telescopic oil cylinder (42) comprises a cylinder body (421), a piston (422) and a piston rod (423); the cylinder body (421) comprises a side wall, a left end wall at one end and a right end wall at the other end; the oil storage cavity is surrounded by the side wall, the left end wall and the right end wall, and an oil filling hole (424) for filling oil into the oil storage cavity is formed in the cylinder body (421);
the piston (422) is arranged in the cylinder body (421); and along the axial direction of the cylinder (421), the piston (422) is in sliding fit with the side wall of the cylinder (421); the oil containing cavity is divided into an A cavity (425) and a B cavity (426) by a piston (422); a buffer oil hole (427) which is communicated with the cavity A (425) and the cavity B (426) is formed in the piston (422);
the left side wall of the cylinder body (421) is provided with a mounting hole, one end of the piston rod (423) penetrates through the mounting hole to be fixedly connected with the piston (422), and an oil seal structure is arranged between the outer wall of the piston rod (423) and the hole wall of the mounting hole.
7. The waste rock blocking device of claim 4, characterized in that: two sets of connecting mechanisms are vertically arranged on one upright post (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020884767.6U CN212502382U (en) | 2020-05-22 | 2020-05-22 | Waste rock blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020884767.6U CN212502382U (en) | 2020-05-22 | 2020-05-22 | Waste rock blocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212502382U true CN212502382U (en) | 2021-02-09 |
Family
ID=74393726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020884767.6U Expired - Fee Related CN212502382U (en) | 2020-05-22 | 2020-05-22 | Waste rock blocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212502382U (en) |
-
2020
- 2020-05-22 CN CN202020884767.6U patent/CN212502382U/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: 20210209 |