CN216277866U - Coal mining machine safety protection device for coal mining - Google Patents
Coal mining machine safety protection device for coal mining Download PDFInfo
- Publication number
- CN216277866U CN216277866U CN202123023922.9U CN202123023922U CN216277866U CN 216277866 U CN216277866 U CN 216277866U CN 202123023922 U CN202123023922 U CN 202123023922U CN 216277866 U CN216277866 U CN 216277866U
- Authority
- CN
- China
- Prior art keywords
- coal mining
- coal
- protection
- buffer spring
- support frame
- 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
- 239000003245 coal Substances 0.000 title claims abstract description 103
- 238000005065 mining Methods 0.000 title claims abstract description 49
- 230000009467 reduction Effects 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 description 34
- 239000003818 cinder Substances 0.000 description 21
- 238000005096 rolling process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Landscapes
- Vibration Dampers (AREA)
Abstract
The utility model discloses a safety protection device of a coal mining machine for coal mining, which comprises a fixed frame, wherein a buffer cavity is formed in the fixed frame, two sides of the fixed frame are rotatably connected with a containing box body, and a support frame is slidably connected in the buffer cavity. According to the coal mining machine safety protection device for coal mining, coal blocks fall on the upper surface of the protection outer shell, the coal blocks are in contact with the sharp cone part of the breaking sharp cone and are broken into small blocks, the third buffer spring provides buffering for the breaking sharp cone and reduces damage of the breaking sharp cone, the bottom of the protection outer shell is connected with the protection inner shell through the second buffer spring and the telescopic frame, the second buffer spring provides secondary buffering for impact force of the coal blocks, the through hole in the middle of the support frame slides on the guide rod, the bottom of the support frame is fixedly connected with the inner bottom of the buffer cavity through the first buffer spring and provides tertiary buffering for the impact force, and the coal mining machine safety protection device has the advantage of high safety performance.
Description
Technical Field
The utility model relates to the field of coal mining in coal mines, in particular to the field of a safety protection device of a coal mining machine for coal mining.
Background
The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an open pit coal mine, when a coal seam is far away from the ground surface, coal is generally excavated into an underground excavation roadway, which is the mineworker coal mine, when the distance between the coal seam and the ground surface is very close, the coal is generally excavated by directly stripping a surface soil layer, which is the open pit coal mine, in the coal mining process of the coal mine, vibration caused by coal mining often causes separation of the coal seam above the coal mining machine, so that threats are caused to the coal mining machine and operators, and the coal mining machine needs to be protected, and at this time, a safety protection device of the coal mining machine for coal mining is needed.
The existing coal mining machine safety protection device has the problems that after the existing coal mining machine safety protection device protects a separated coal bed, the separated coal bed still falls off from the surface of the protection device and damages personnel at the bottom of the protection device, and therefore the coal mining machine safety protection device for coal mining is provided.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a safety protection device of a coal mining machine for coal mining, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a coal-winning machine safety device for coal mining, includes the mount, the cushion chamber has been seted up to the inside of mount, the both sides of mount are rotated and are connected with and hold the box body, the inside sliding connection of cushion chamber has the support frame, the upper end fixed mounting of support frame has the interior casing of protection, the top of the interior casing of protection is provided with the protection shell body, the outer fixed surface of protection shell body installs the speed reduction pad and smashes the pointed cone.
The coal briquette protecting device is further improved in that a pull ring is fixedly installed at the bottom of the supporting frame, a pull rope is fixedly installed on the surface of the containing box body, one end, far away from the containing box body, of the pull rope is fixedly connected with the pull ring, so that coal briquettes fall on the upper surface of the protecting outer shell body and are crushed into small briquettes in contact with the pointed cone part of the broken pointed cone, the pull ring at the bottom of the supporting frame is connected with the containing box body through the pull rope, the support frame moves downwards to drive the opposite end of the containing box body to ascend, the rolled coal briquettes are accommodated, the rolling speed of the coal briquettes is reduced due to the action of the speed reducing pad when the coal briquettes roll off the upper surface of the protecting outer shell body, the impact of the coal briquettes on the containing box body is reduced, and the damage to personnel due to the fact that the coal briquettes slide up and down from the protecting outer shell body is prevented.
The utility model is further improved in that an inner cavity is formed in the protective shell, a third buffer spring is fixedly mounted at the inner bottom of the inner cavity, the upper end of the third buffer spring is fixedly connected with the bottom of the crushing pointed cone, so that coal blocks fall on the upper surface of the protective shell and are contacted with the pointed cone part of the crushing pointed cone to be crushed into small blocks, and the third buffer spring provides buffer for the crushing pointed cone to reduce the damage of the crushing pointed cone.
The utility model has the further improvement that an expansion bracket and a second buffer spring are fixedly arranged on the outer surface of the protective inner shell, one end of the second buffer spring, which is far away from the protective inner shell, is fixedly connected with the protective outer shell, and one end of the expansion bracket, which is far away from the protective inner shell, is fixedly connected with the protective outer shell, so that the bottom of the protective outer shell is connected with the protective inner shell through the second buffer spring and the expansion bracket, and the second buffer spring provides secondary buffer for the impact force of the coal briquettes.
The improved buffer structure is characterized in that a guide rod and a first buffer spring are fixedly installed inside the buffer cavity, the bottom of the support frame is fixedly connected with the first buffer spring, a through hole is formed in the bottom of the support frame, the through hole is in sliding connection with the guide rod, the through hole in the middle of the support frame slides on the guide rod, the bottom of the support frame is fixedly connected with the inner bottom of the buffer cavity through the first buffer spring to provide three times of buffer for impact force, and the buffer structure has the advantage of high safety performance.
The utility model is further improved in that the protective inner shell and the protective outer shell are both arc-shaped, and the containing box body is positioned right below the end part of the protective outer shell.
Compared with the prior art, the utility model has the following beneficial effects:
1. fix device mount bottom in the coal-winning machine top, when the coal seam of coal-winning machine top takes place the condition of dropping, the coal cinder drops at the upper surface of protection shell body, the contact of the sharp awl portion of smashing the sharp awl is broken into the fritter, and No. three buffer spring provides the buffering to smashing the sharp awl, reduce the damage of smashing the sharp awl, and the bottom of protection shell body is connected with protection interior casing through No. two buffer spring and expansion bracket, No. two buffer spring provides the secondary buffering to the impact force of coal cinder, and the through-hole at support frame middle part slides on the guide bar, the bottom of support frame provides the cubic buffering through interior bottom fixed connection of a buffer spring and cushion chamber to impact force, have the advantage that the security performance is high.
2. The coal cinder drops at the upper surface of protection shell body, be broken into the fritter with the contact of the sharp awl portion of smashing the sharp awl, the pull ring of support frame bottom passes through the stay cord simultaneously and holds the box body and be connected, the support frame move down and drive the back to the end of holding the box body and rise, provide to the coal cinder that rolls and accomodate, the coal cinder rolls because the effect of speed reduction pad reduces the roll speed of coal cinder when rolling from protection shell body upper surface, reduce the impact of coal cinder to holding the box body, prevent that the coal cinder from sliding from top to bottom from the protection shell body and causing the damage to personnel.
Drawings
Fig. 1 is a schematic overall structure diagram of a safety protection device of a coal mining machine for coal mining according to the present invention.
Fig. 2 is a schematic connection diagram of a support frame, a protective inner shell and a protective outer shell of the safety protection device for the coal mining machine for coal mining.
Fig. 3 is a schematic view of the connection between the inner protective shell and the outer protective shell of the safety protection device for coal mining machine in coal mining.
Fig. 4 is a schematic view of the inside of the fixing frame of the safety protection device of the coal mining machine for coal mining of the present invention.
In the figure: 1. a fixed mount; 2. a buffer chamber; 3. a containing box body; 4. a support frame; 5. a protective inner shell; 6. a protective outer shell; 7. a deceleration pad; 8. breaking the pointed cone; 9. a first buffer spring; 10. a through hole; 11. a pull ring; 12. a second buffer spring; 13. an inner cavity; 14. a third buffer spring; 15. a guide bar; 16. an expansion bracket.
Detailed Description
In order to make the technical means, the original characteristics, the achieved objects and the functions of the present invention easy to understand, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or the positional relationship based on the orientation or the positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus not be construed as limiting the present invention. Furthermore, the terms "a," "an," "two," and "three" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The utility model will be further illustrated with reference to specific embodiments.
Example 1
As shown in fig. 1-4, a coal mining machine safety protection device for coal mining comprises a fixed frame 1, a buffer cavity 2 is arranged inside the fixed frame 1, two sides of the fixed frame 1 are rotatably connected with a containing box body 3, the inside of the buffer cavity 2 is slidably connected with a support frame 4, a protective inner shell 5 is fixedly arranged at the upper end of the support frame 4, a protective outer shell 6 is arranged above the protective inner shell 5, and a speed reduction pad 7 and a breaking pointed cone 8 are fixedly arranged on the outer surface of the protective outer shell 6; an inner cavity 13 is formed in the protective outer shell 6, a third buffer spring 14 is fixedly mounted at the inner bottom of the inner cavity 13, and the upper end of the third buffer spring 14 is fixedly connected with the bottom of the breaking pointed cone 8; an expansion bracket 16 and a second buffer spring 12 are fixedly mounted on the outer surface of the protective inner shell 5, one end of the second buffer spring 12, which is far away from the protective inner shell 5, is fixedly connected with the protective outer shell 6, and one end of the expansion bracket 16, which is far away from the protective inner shell 5, is fixedly connected with the protective outer shell 6; the inside fixed mounting of cushion chamber 2 has guide bar 15 and buffer spring 9, and the bottom and buffer spring 9 fixed connection of support frame 4 have seted up through-hole 10 in the bottom of support frame 4, through-hole 10 and guide bar 15 sliding connection.
The embodiment can realize that: fix the device mount 1 bottom in the coal-winning machine top, when the coal seam of coal-winning machine top takes place the condition of dropping, the coal cinder drops at the upper surface of protection shell body 6, with smash the sharp awl portion contact of sharp awl 8 and be broken into the fritter, and No. three buffer spring 14 provides the buffering to smashing sharp awl 8, reduce the damage of smashing sharp awl 8, and the bottom of protection shell body 6 is connected with protection inner housing 5 through No. two buffer spring 12 and expansion bracket 16, No. two buffer spring 12 provides the secondary buffering to the impact force of coal cinder, and the through-hole 10 at support frame 4 middle part slides on guide bar 15, the bottom of support frame 4 provides the cubic buffering through the interior bottom fixed connection of a buffer spring 9 and cushion chamber 2 to the impact force, have the advantage that the security performance is high.
Example 2
As shown in fig. 1-4, a coal mining machine safety protection device for coal mining comprises a fixed frame 1, a buffer cavity 2 is arranged inside the fixed frame 1, two sides of the fixed frame 1 are rotatably connected with a containing box body 3, the inside of the buffer cavity 2 is slidably connected with a support frame 4, a protective inner shell 5 is fixedly arranged at the upper end of the support frame 4, a protective outer shell 6 is arranged above the protective inner shell 5, and a speed reduction pad 7 and a breaking pointed cone 8 are fixedly arranged on the outer surface of the protective outer shell 6; a pull ring 11 is fixedly installed at the bottom of the support frame 4, a pull rope is fixedly installed on the surface of the containing box body 3, and one end of the pull rope, which is far away from the containing box body 3, is fixedly connected with the pull ring 11; the protection inner shell 5 and the protection outer shell 6 are both arranged in an arc shape, and the box body 3 is arranged under the end part of the protection outer shell 6.
The embodiment can realize that: the coal cinder drops at the upper surface of protection shell body 6, with smash the sharp awl portion contact of sharp awl 8 broken into the fritter, the pull ring 11 of 4 bottoms of support frame simultaneously through the stay cord with hold box body 3 and be connected, the support frame 4 move down the drive and hold the back to the end of box body 3 and rise, coal cinder to rolling provides accomodates, the coal cinder is rolling from 6 upper surfaces of protection shell body and is reducing the speed of rolling of coal cinder owing to the effect of speed reduction pad 7 when falling, reduce the impact of coal cinder to holding box body 3, prevent that the coal cinder from sliding from the protection shell body 6 from top to bottom and causing the damage to personnel.
It should be noted that the utility model is a coal mining machine safety protection device for coal mining, when in use, firstly, the bottom of a device fixing frame 1 is fixed above a coal mining machine, when a coal seam above the coal mining machine falls, coal blocks fall on the upper surface of a protection outer shell 6 and contact with a sharp cone part of a breaking sharp cone 8 to be broken into small blocks, a third buffer spring 14 provides buffer for the breaking sharp cone 8 to reduce the damage of the breaking sharp cone 8, the bottom of the protection outer shell 6 is connected with a protection inner shell 5 through a second buffer spring 12 and a telescopic frame 16, the second buffer spring 12 provides secondary buffer for the impact force of the coal blocks, a through hole 10 in the middle of a support frame 4 slides on a guide rod 15, the bottom of the support frame 4 is fixedly connected with the inner bottom of a buffer cavity 2 through a first buffer spring 9 to provide tertiary buffer for the impact force, and the coal blocks fall on the upper surface of the protection outer shell 6, the contact of the pointed cone part with smashing pointed cone 8 is broken into the fritter, pull ring 11 of 4 bottoms of support frame simultaneously through the stay cord with hold box body 3 and be connected, support frame 4 moves down to drive the back of body that holds box body 3 and rises to the end, provide to the coal cinder that rolls and take in, the coal cinder rolls from 6 upper surfaces of protective housing body and falls the speed of falling owing to the effect of speed reduction pad 7 reduces the roll of coal cinder, reduce the impact of coal cinder to holding box body 3, prevent that the coal cinder from leading to the fact the damage to personnel from 6 upper and lower slips of protective housing body.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a coal-winning machine safety device for coal mining, includes mount (1), its characterized in that: cushion chamber (2) have been seted up to the inside of mount (1), the both sides of mount (1) are rotated and are connected with and hold box body (3), the inside sliding connection of cushion chamber (2) has support frame (4), the upper end fixed mounting of support frame (4) has interior protection casing (5), the top of interior protection casing (5) is provided with protection shell body (6), the outer fixed surface of protection shell body (6) installs speed reduction pad (7) and smashes sharp awl (8).
2. The shearer loader safety guard for coal mining of claim 1, wherein: the bottom fixed mounting of support frame (4) has pull ring (11), the fixed surface who holds box body (3) installs the stay cord, the one end and pull ring (11) fixed connection that hold box body (3) of keeping away from of stay cord.
3. The shearer loader safety guard for coal mining of claim 1, wherein: inner chamber (13) have been seted up to the inside of protection shell body (6), the interior bottom fixed mounting of inner chamber (13) has No. three buffer spring (14), the upper end of No. three buffer spring (14) with smash the bottom fixed connection of awl (8).
4. The shearer loader safety guard for coal mining of claim 1, wherein: the outer fixed surface of the protection inner shell (5) is provided with an expansion bracket (16) and a second buffer spring (12), one end of the second buffer spring (12), far away from the protection inner shell (5), is fixedly connected with the protection outer shell (6), and one end of the expansion bracket (16), far away from the protection inner shell (5), is fixedly connected with the protection outer shell (6).
5. The shearer loader safety guard for coal mining of claim 1, wherein: the inside fixed mounting of cushion chamber (2) has guide bar (15) and buffer spring (9), the bottom and buffer spring (9) fixed connection of support frame (4), through-hole (10) have been seted up to the bottom of support frame (4), through-hole (10) and guide bar (15) sliding connection.
6. The shearer loader safety guard for coal mining of claim 1, wherein: the protection inner shell (5) and the protection outer shell (6) are both arc-shaped, and the containing box body (3) is located under the end part of the protection outer shell (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123023922.9U CN216277866U (en) | 2021-12-06 | 2021-12-06 | Coal mining machine safety protection device for coal mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123023922.9U CN216277866U (en) | 2021-12-06 | 2021-12-06 | Coal mining machine safety protection device for coal mining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216277866U true CN216277866U (en) | 2022-04-12 |
Family
ID=81044149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123023922.9U Expired - Fee Related CN216277866U (en) | 2021-12-06 | 2021-12-06 | Coal mining machine safety protection device for coal mining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216277866U (en) |
-
2021
- 2021-12-06 CN CN202123023922.9U patent/CN216277866U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212032331U (en) | Monitoring and early warning device for landslide | |
| CN113294191A (en) | Supporting device for coal mine safety engineering protection | |
| CN216277866U (en) | Coal mining machine safety protection device for coal mining | |
| CN212898546U (en) | Safety device for underground mining | |
| CN211314214U (en) | Protective cutter for shield machine protective shell | |
| CN210660142U (en) | Device for preventing coal wall from collapsing | |
| CN218347341U (en) | Mining rock drilling device | |
| CN214366181U (en) | Coal mining safety device | |
| CN216198257U (en) | Mine should first aid with broken instrument of tearing open | |
| CN215830536U (en) | Stability support for coal mine roof support management | |
| CN213114678U (en) | Side slope protection device for open pit coal mine | |
| CN113153428A (en) | Supporting device capable of timely early warning and protecting personnel during mine collapse | |
| CN218088727U (en) | Safety protection device for winch | |
| CN208763678U (en) | A kind of protective device suitable for flat anchorage | |
| CN216866757U (en) | Ventilation unit for coal mining | |
| CN212543521U (en) | Mining pure electric motor with protection function | |
| CN220167970U (en) | Active roadway surrounding rock structure under rock burst condition | |
| CN219555026U (en) | Mobile phone motherboard protective housing | |
| CN211317414U (en) | Novel geological environment monitoring and early warning device | |
| CN214303692U (en) | Ore drilling equipment for mining | |
| CN113830636B (en) | Elevator pit overhauls safety device | |
| CN219740935U (en) | Mine exploitation electromechanical protection device | |
| CN217115689U (en) | Integrated form lift charging frame | |
| CN218716984U (en) | Cable protection device for preventing rock burst in coal mine | |
| CN214883738U (en) | Landslide prevention device for open pit coal mine slope |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220412 |