CN220955703U - Safety protection device for mine excavation - Google Patents
Safety protection device for mine excavation Download PDFInfo
- Publication number
- CN220955703U CN220955703U CN202322717459.0U CN202322717459U CN220955703U CN 220955703 U CN220955703 U CN 220955703U CN 202322717459 U CN202322717459 U CN 202322717459U CN 220955703 U CN220955703 U CN 220955703U
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- arc
- fixedly connected
- plate
- mine
- plates
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- 238000009412 basement excavation Methods 0.000 title abstract description 14
- 238000005065 mining Methods 0.000 claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010030 laminating Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model provides a safety protection device for mine excavation; belonging to the technical field of mining; the technical key point of the novel arc-shaped support plate comprises an arc-shaped support plate, wherein a plurality of movable frames are arrayed on the arc-shaped support plate at equal intervals along an arc line, arc-shaped protection plates are fixedly connected to the upper ends of the movable frames, rubber buffer pads are fixedly connected to the outer cambered surfaces of the arc-shaped protection plates, a plurality of first grooves are formed in the inner cambered surfaces of the arc-shaped protection plates, second grooves which are in one-to-one correspondence with the first grooves are formed in the outer cambered surfaces of the arc-shaped support plate, and buffer springs are connected between the first grooves and the corresponding second grooves; the utility model aims to provide a safety protection device for mine mining, which has a compact structure and good protection effect; the support and protection device is used for supporting and protecting the top of the mine excavation roadway.
Description
Technical Field
The utility model relates to the technical field of mine exploitation, in particular to a safety protection device for mine exploitation.
Background
The mine comprises a coal mine, a metal mine, a nonmetallic mine, a building material mine, a chemical mine and the like, broken stone rolling easily occurs in the mine mining process, and in order to ensure the safety of workers and avoid accidents, a safety protection device is required to provide safety guarantee for the workers.
The present mine is excavated and is used safety device, patent like bulletin number CN211549733U, including protection supporting the roof, protection supporting the middle part bottom fixedly connected with illumination bulb of roof, the bottom swing joint of first tool holder has the second tool holder, the bottom fixedly connected with jack of jack connecting plate, the first automatic telescopic switch of middle part fixedly connected with of jack, the bottom left side fixedly connected with connecting rod of jack, the bottom fixedly connected with automatic drive jar of connecting rod, the top fixedly connected with second automatic telescopic switch of automatic drive jar, the bottom swing joint of automatic drive jar has universal brake truckle. This safety device for mine mining is provided with protection and supports the roof, protection support the four corners bottom fixedly connected with jack of roof, carries out effectual support to the mine through the jack, and compressive capacity is strong, prevents that the mine from collapsing, carries out effectual protection to the staff.
With respect to the related art, the inventor considers that the structure adopts the protection supporting top plate to support the mine tunnel, but the top of the mine tunnel is not in a flat arc shape, so when a certain protrusion exists at the top of the mine tunnel, a gap with a larger area is reserved between the top of the mine tunnel and the protection supporting top plate, and the protection effect is affected.
Disclosure of utility model
The utility model aims to provide a safety protection device for mine mining, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a mine is excavated and is used safety device, includes the arc backup pad, there is a plurality of movable frames along pitch arc equidistance array in the arc backup pad, at the equal fixedly connected with arc guard plate of the upper end of each movable frame, equal fixedly connected with rubber buffer pad on the extrados of each arc guard plate, all be provided with a plurality of first recesses on the intrados of each arc guard plate, be provided with the second recess with each first recess one-to-one on the extrados of arc backup pad, all be connected with buffer spring between each first recess and the second recess that corresponds.
As a further scheme of the utility model: the bottom of the arc-shaped supporting plate is fixedly connected with a cross rod, two supporting rods are fixedly connected with the bottom of the cross rod in parallel at intervals, fixed barrels are movably sleeved at the lower ends of the supporting rods, and mounting plates are fixedly connected at the lower ends of the fixed barrels; the upper end near end part of the fixed cylinder is detachably provided with a fixing bolt in a penetrating way along the horizontal direction, and a plurality of adjusting holes matched with the fixing bolt are arranged on the supporting rod at intervals along the vertical direction.
As a further scheme of the utility model: the movable frame comprises a plurality of connecting rods which are fixed on the inner cambered surface of the arc-shaped protection plate and movably penetrate through the arc-shaped support plate, and the connecting rods are parallel to each other and the tail ends of the connecting rods are connected with limiting plates together.
As a further scheme of the utility model: the tail end of the connecting rod is fixedly connected with a fixed screw rod which movably penetrates through the limiting plate, and the tail end of the fixed screw rod is in threaded connection with a limiting nut; the limiting plate is detachably connected with the connecting rod through the cooperation of the fixing screw and the limiting nut.
As a further scheme of the utility model: elastic connecting belts are arranged between two adjacent arc protection plates, connecting plates are fixedly connected to the two ends of each elastic connecting belt, and each connecting plate is L-shaped and is fixedly connected with the corresponding arc protection plate through screws.
Compared with the prior art, the utility model has the beneficial effects that:
After the structure is adopted, through the mutual matching among the movable frame, the arc protection plates, the rubber buffer cushion and the buffer springs, when the mine mining roadway is safely protected, as the movable frame is movably connected with the arc support plates, each arc protection plate can be respectively contacted with the top of the mine mining roadway under the action of the elastic force of the buffer springs, and the laminating property of each arc protection plate and the top of the mine mining roadway is improved under the action of the rubber buffer cushion; in the use, because each arc guard plate does not influence each other, even if there is the protrusion at the mine tunnel top that a certain arc guard plate corresponds, also can not influence the laminating nature at other arc guard plates and mine excavation tunnel tops to guarantee the protection effect.
Drawings
The utility model is described in further detail below in connection with the embodiments in the drawings, but is not to be construed as limiting the utility model in any way.
Fig. 1 is a schematic structural view of a safety device for mine excavation.
Fig. 2 is an enlarged partial schematic view at a in fig. 1.
Fig. 3 is a partially enlarged schematic view at B in fig. 1.
In the figure: 1. an arc-shaped supporting plate; 2. a movable frame; 201. a connecting rod; 202. a limiting plate; 203. a fixed screw; 204. a limit nut; 3. arc protection plates; 4. a rubber cushion pad; 5. a buffer spring; 6. a cross bar; 7. a support rod; 8. a fixed cylinder; 9. a mounting plate; 10. a fixing bolt; 11. an adjustment aperture; 12. an elastic connecting band; 13. and (5) connecting a plate.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Referring to fig. 1 to 3, a safety protection device for mine excavation comprises an arc-shaped supporting plate 1 for supporting and protecting a mine excavation roadway; a plurality of movable frames 2 are arranged on the arc-shaped supporting plate 1 at equal intervals along an arc line, and the movable frames 2 can move on the arc-shaped supporting plate 1; the upper ends of the movable frames 2 are fixedly connected with arc protection plates 3, and the outer cambered surfaces of the arc protection plates 3 are fixedly connected with rubber buffer pads 4, so that the movable frames can be well attached to the tops of mine mining roadways, and the protection effect is ensured; all be provided with a plurality of first recesses on the intrados of each arc guard plate 3, be provided with the second recess with each first recess one-to-one on the extrados of arc backup pad 1, all be connected with buffer spring 5 between each first recess and the second recess that corresponds, can be under the effect of elasticity for each arc guard plate 3 contacts with the top in mining tunnel respectively, even there is the projection at the mine tunnel top that a certain arc guard plate 3 corresponds, also can not influence the laminating nature at other arc guard plates 3 and mine excavation tunnel tops, thereby guarantee the protection effect.
Wherein, the bottom of the arc-shaped supporting plate 1 is fixedly connected with a cross rod 6, so that the stability of the structure is improved; two support rods 7 are fixedly connected with the bottom of the cross rod 6 in parallel at intervals, a fixed cylinder 8 is movably sleeved at the lower end of each support rod 7, and the support rods 7 can move up and down in the fixed cylinder 8; the lower ends of the fixed barrels 8 are fixedly connected with mounting plates 9 which can be mounted on the ground of a mine excavation roadway; the upper end near end part of the fixed cylinder 8 is detachably provided with a fixed bolt 10 in a penetrating way along the horizontal direction, and a plurality of adjusting holes 11 matched with the fixed bolt 10 are arranged on the supporting rod 7 at intervals along the vertical direction. When the device is used, the device is moved into a mine excavation roadway, then the mounting plate 9 is fixed on the roadway ground, then all parts on the arc-shaped supporting plate 1 are assembled, then the supporting rod 7 is enabled to move upwards in the fixed cylinder 8, the arc-shaped protection plate 3 can be in contact with the top of the mine excavation roadway, and finally the supporting rod 7 and the fixed cylinder 8 are fixed through the cooperation of the fixing bolts 10 and the adjusting holes 11, so that the assembly of the device is completed.
Specifically, the movable frame 2 includes a plurality of connecting rods 201 fixed on the inner arc surface of the arc protection plate 3 and movably passing through the arc support plate 1, and each connecting rod 201 is parallel to each other and the tail ends are connected with a limiting plate 202 together, so as to prevent the arc protection plate 3 from being over-displaced. The tail end of the connecting rod 201 is fixedly connected with a fixing screw 203 which movably passes through the limiting plate 202, and the tail end of the fixing screw 203 is in threaded connection with a limiting nut 204; the limiting plate 202 is detachably connected with the connecting rod 201 through the cooperation of the fixing screw 203 and the limiting nut 204, the structure is simple, and when the corresponding arc protection plate 3 is replaced according to the arc surface at the top of the mine mining roadway; the limiting plate 202 and the connecting rod 201 can be separated only by unscrewing the limiting nut 204, so that the connecting rod 201 can be pulled out from the arc-shaped supporting plate 1, and the corresponding arc-shaped protection plate 3 can be replaced.
Preferably, an elastic connecting belt 12 is arranged between two adjacent arc protection plates 3, and the elastic connecting belt 12 can be used for protecting gaps between the two adjacent arc protection plates 3, so that stones are prevented from falling through the gaps between the two adjacent arc protection plates 3; the connecting plates 13 are fixedly connected to the two ends of the elastic connecting belt 12, each connecting plate 13 is L-shaped and is fixedly connected with the corresponding arc protection plate 3 through screws, and the elastic connecting belt is simple in structure and convenient to assemble and disassemble.
When the device is used, the device is installed in a mine excavation roadway, then the supporting rod 7 moves upwards, and the height of the arc-shaped supporting plate 1 is adjusted until the arc-shaped supporting plate 1 cannot move upwards; then, the supporting rod 7 is fixed with the fixed cylinder 8 through the cooperation of the fixing bolt 10 and the adjusting hole 11; in the use process, under the action of the movable frame 2 and the rubber buffer cushion 4, each arc protection plate 3 can be respectively contacted with the top of the mine excavation roadway and is not mutually influenced, so that a gap with a larger area is reserved between the top of the mine roadway and the protection device when a certain protrusion exists at the top of the mine roadway.
The above examples are provided for convenience of description of the present utility model and are not to be construed as limiting the utility model in any way, and any person skilled in the art will make partial changes or modifications to the utility model by using the disclosed technical content without departing from the technical features of the utility model.
Claims (5)
1. The utility model provides a mine is excavated and is used safety device, includes arc backup pad (1), its characterized in that, a plurality of movable frames (2) have along pitch arc equidistance array on arc backup pad (1), equal fixedly connected with arc guard plate (3) in the upper end of each movable frame (2), equal fixedly connected with rubber buffer pad (4) on the extrados of each arc guard plate (3), all be provided with a plurality of first recesses on the intrados of each arc guard plate (3), be provided with the second recess with each first recess one-to-one on the extrados of arc backup pad (1), all be connected with buffer spring (5) between each first recess and the second recess of correspondence.
2. The safety protection device for mine mining according to claim 1, wherein a cross rod (6) is fixedly connected to the bottom of the arc-shaped supporting plate (1), two supporting rods (7) are fixedly connected to the bottom of the cross rod (6) in parallel at intervals, fixed barrels (8) are movably sleeved at the lower ends of the supporting rods (7), and mounting plates (9) are fixedly connected to the lower ends of the fixed barrels (8); the upper end near end part of the fixed cylinder (8) is detachably provided with a fixed bolt (10) in a penetrating way along the horizontal direction, and a plurality of adjusting holes (11) matched with the fixed bolt (10) are arranged on the supporting rod (7) at intervals along the vertical direction.
3. The safety protection device for mine mining according to claim 1, wherein the movable frame (2) comprises a plurality of connecting rods (201) fixed on the intrados of the arc protection plate (3) and movably penetrating through the arc support plate (1), and the connecting rods (201) are parallel to each other and the tail ends of the connecting rods are commonly connected with limiting plates (202).
4. A safety device for mining according to claim 3, characterized in that the end of the connecting rod (201) is fixedly connected with a fixing screw (203) which movably penetrates through the limiting plate (202), and the end of the fixing screw (203) is in threaded connection with a limiting nut (204); the limiting plate (202) is detachably connected with the connecting rod (201) through the cooperation of the fixing screw (203) and the limiting nut (204).
5. Safety protection device for mining according to claim 1, characterized in that an elastic connecting band (12) is arranged between two adjacent arc protection plates (3), connecting plates (13) are fixedly connected to the two ends of the elastic connecting band (12), and each connecting plate (13) is L-shaped and is fixedly connected with the corresponding arc protection plate (3) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322717459.0U CN220955703U (en) | 2023-10-10 | 2023-10-10 | Safety protection device for mine excavation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322717459.0U CN220955703U (en) | 2023-10-10 | 2023-10-10 | Safety protection device for mine excavation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220955703U true CN220955703U (en) | 2024-05-14 |
Family
ID=90974222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322717459.0U Active CN220955703U (en) | 2023-10-10 | 2023-10-10 | Safety protection device for mine excavation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220955703U (en) |
-
2023
- 2023-10-10 CN CN202322717459.0U patent/CN220955703U/en active Active
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