CN219795290U - Side protection device for coal mine blasting and digging working face - Google Patents
Side protection device for coal mine blasting and digging working face Download PDFInfo
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- CN219795290U CN219795290U CN202321339398.2U CN202321339398U CN219795290U CN 219795290 U CN219795290 U CN 219795290U CN 202321339398 U CN202321339398 U CN 202321339398U CN 219795290 U CN219795290 U CN 219795290U
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- locking
- working face
- coal mine
- bottom plate
- plate
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- 239000003245 coal Substances 0.000 title claims abstract description 17
- 238000005422 blasting Methods 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 description 17
- 230000037431 insertion Effects 0.000 description 17
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a coal mine blasting working face upper protection device, which comprises a top plate and a bottom plate, wherein the side walls of the top plate and the bottom plate are respectively and horizontally provided with a first socket and a second socket, two first plugboards are symmetrically and horizontally inserted in the first socket in a sliding manner, two L-shaped second plugboards are symmetrically and horizontally inserted in the second socket in a sliding manner, the top ends of the second plugboards are vertically provided with sliding grooves, sliding plates are slidably inserted in the sliding grooves, and the top ends of the two sliding plates are respectively and fixedly connected with the lower surfaces of the two first plugboards; the bottom of the chute is fixedly provided with hydraulic rods, and the top ends of the two hydraulic rods are respectively and fixedly connected with the bottom ends of the two sliding plates. The distance between roof and the bottom plate can be adjusted fast to the staff to change the height of device, can also the length of quick adjustment roof and bottom plate, and then change the total length of device, thereby can support the protection to the working face of equidimension, improved the practicality of device.
Description
Technical Field
The utility model belongs to the technical field of coal mine safety, and particularly relates to a coal mine blasting and digging working face upper protection device.
Background
In the process of coal mine construction, coal is often required to be broken through blasting, and before that, the working face is required to be supported and protected through the upper protection device, so that the working face is prevented from being broken down due to the influence of blasting.
The length and the height of the working face to be supported and protected are various, and the upper protecting device can not quickly adjust the working face to be supported and protected according to the size of the working face to be supported and protected, so that the practicability of the device is low.
Disclosure of Invention
The utility model aims to solve the defects in the prior art that the length and the height of the existing working face to be supported and protected are various, the upper protecting device can not be rapidly adjusted to support and protect the working face to be supported and protected according to the size of the working face to be supported and protected, and therefore the practicability of the device is low.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the side protection device for the coal mine blasting working face comprises a top plate and a bottom plate, wherein a first insertion opening and a second insertion opening are respectively and horizontally formed in the side walls of the top plate and the bottom plate, two first insertion plates are symmetrically and horizontally inserted in the first insertion openings in a sliding manner, two L-shaped second insertion plates are symmetrically and horizontally inserted in the second insertion openings in a sliding manner, sliding grooves are vertically formed in the top ends of the second insertion plates, sliding plates are slidably inserted in the sliding grooves, and the top ends of the two sliding plates are respectively and fixedly connected with the lower surfaces of the two first insertion plates;
the hydraulic rods are fixedly arranged at the bottoms of the sliding grooves, the tops of the two hydraulic rods are fixedly connected with the bottoms of the two sliding plates respectively, two groups of locking assemblies are symmetrically arranged on the lower surface of the top plate, and the two groups of locking assemblies are used for locking the two first plugboards respectively.
Preferably, the locking assembly comprises a locking rod, a mounting block fixedly mounted at the bottom end of the locking rod and a telescopic spring sleeved on the locking rod, two penetrating openings are vertically formed in the lower surface of the top plate, the two locking rods are respectively inserted into the two penetrating openings in a sliding manner, two ends of the telescopic spring are respectively fixedly connected with the lower surface of the top plate and the upper surface of the mounting block, and a plurality of locking grooves used for inserting the end parts of the locking rod are formed in the lower surface of the first inserting plate.
Preferably, the surface of the mounting block is provided with mounting openings, and pull rods are fixedly mounted in the two mounting openings.
Preferably, two groups of auxiliary supporting components are arranged on the surface of the bottom plate, and the auxiliary supporting components are used for auxiliary supporting of the top plate.
Preferably, the auxiliary supporting component comprises a mounting seat fixedly mounted on the surface of the bottom plate, a rotating shaft horizontally rotatably mounted in the mounting seat, a telescopic rod fixedly sleeved on the rotating shaft and an arc-shaped inserting block fixedly mounted on the top end of the telescopic rod, two arc-shaped third inserting holes respectively used for two inserting block insertion are formed in the surface of the top plate, and the inserting blocks and the third inserting holes are all arranged by taking the rotating shaft as the center of a circle.
Preferably, the surface of the bottom plate is fixedly provided with a limiting plate through a spring rod, and the limiting plate is used for limiting the rotation of the two telescopic rods.
Compared with the prior art, the utility model has the beneficial effects that:
the distance between roof and the bottom plate can be adjusted fast to the staff to change the height of device, can also the length of quick adjustment roof and bottom plate, and then change the total length of device, thereby can support the protection to the working face of equidimension, improved the practicality of device.
Drawings
FIG. 1 is a schematic diagram of a front perspective structure of a coal mine blasting working face upper protection device;
FIG. 2 is a schematic bottom perspective view of a coal mine blasting working face upper protection device according to the present utility model;
FIG. 3 is an enlarged view of the structure of FIG. 1 at A;
FIG. 4 is an enlarged view of the structure at B in FIG. 1;
fig. 5 is an enlarged view of the structure at C in fig. 2.
In the figure: the novel locking device comprises a top plate 1, a bottom plate 2, a first socket 3, a second socket 4, a first plugboard 5, a second plugboard 6, a sliding plate 7, a locking rod 8, a mounting block 9, a telescopic spring 10, a locking groove 11, a pull rod 12, a mounting seat 13, a rotating shaft 14, a telescopic rod 15, a plug 16, a third socket 17, a spring rod 18 and a limiting plate 19.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
The terms such as "upper", "lower", "left", "right", "middle" and "a" and the like are also used herein for descriptive purposes only and are not intended to limit the scope of the utility model for which the utility model may be practiced or for which the relative relationship may be altered or modified without materially altering the technology.
Referring to fig. 1-5, a coal mine blasting working face side protection device comprises a top plate 1 and a bottom plate 2, wherein a first insertion opening 3 and a second insertion opening 4 are respectively and horizontally arranged on the side walls of the top plate 1 and the bottom plate 2, two first insertion plates 5 are symmetrically and horizontally inserted in the first insertion opening 3 in a sliding manner, two L-shaped second insertion plates 6 are symmetrically and horizontally inserted in the second insertion opening 4 in a sliding manner, sliding grooves are vertically formed in the top ends of the second insertion plates 6, sliding plates 7 are slidably inserted in the sliding grooves, and the top ends of the two sliding plates 7 are fixedly connected with the lower surfaces of the two first insertion plates 5 respectively;
the bottom of the chute is fixedly provided with hydraulic rods, the top ends of the two hydraulic rods are fixedly connected with the bottom ends of the two sliding plates 7 respectively, the lower surface of the top plate 1 is symmetrically provided with two groups of locking components, the two groups of locking components are respectively used for locking the two first plugboards 5, each locking component comprises a locking rod 8, a mounting block 9 fixedly mounted at the bottom end of the locking rod 8 and a telescopic spring 10 sleeved on the locking rod 8, the lower surface of the top plate 1 is vertically provided with two through holes, the two locking rods 8 are respectively and slidably inserted into the two through holes, the two ends of the telescopic spring 10 are respectively and fixedly connected with the lower surface of the top plate 1 and the upper surface of the mounting block 9, and the lower surface of the first plugboard 5 is provided with a plurality of locking grooves 11 for inserting the end parts of the locking rods 8;
the staff carries out the removal on the vertical direction through starting two hydraulic stems, bring two slide plates 7, the distance between roof 1 and the bottom plate 2 just can change this moment, and then the height of device can change, and when the staff pulls two installation piece 9 and moves down, two locking levers 8 just move down together this moment, when the top of two locking levers 8 removes in two locking grooves 11 respectively, the locking of two first picture peg 5 just can be released this moment, then control two first picture peg 5 and carry out the removal on the horizontal direction in first socket 3, and then two slide plates 7 and two second picture peg 6 just can move along with two first picture peg 5 respectively, and then the length of device alright change, the staff can support the protection according to the length and the high quick adjustment device of the size of waiting to support the protection working face, the practicality of device has been improved.
The surface of the mounting block 9 is provided with mounting openings, and pull rods 12 are fixedly arranged in the two mounting openings; the pull rod 12 is pulled to move downwards, so that the two locking rods 8 can be controlled to move downwards together, and the locking device is convenient and quick.
The surface of the bottom plate 2 is provided with two groups of auxiliary supporting components, the auxiliary supporting components are used for auxiliary supporting of the top plate 1, each auxiliary supporting component comprises a mounting seat 13 fixedly mounted on the surface of the bottom plate 2, a rotating shaft 14 horizontally rotatably mounted in the mounting seat 13, a telescopic rod 15 fixedly sleeved on the rotating shaft 14 and an arc-shaped inserting block 16 fixedly mounted at the top end of the telescopic rod 15, the surface of the top plate 1 is provided with two arc-shaped third inserting holes 17 respectively used for inserting the two inserting blocks 16, the inserting blocks 16 and the third inserting holes 17 are both arranged by taking the rotating shaft 14 as the circle center, the surface of the bottom plate 2 is fixedly provided with a limiting plate 19 through a spring rod 18, and the limiting plate 19 is used for limiting the rotation of the two telescopic rods 15;
when the distance between the top plate 1 and the bottom plate 2 needs to be adjusted, the limiting plate 19 is pulled to enable the spring rod 18 to be in a stretching state, the limiting plate 19 is not propped against the surfaces of the two telescopic rods 15 any more, the limitation on the two telescopic rods 15 is removed, then the two telescopic rods 15 are rotated to enable the two inserting blocks 16 to be respectively moved out of the two third inserting holes 17, at the moment, the distance between the top plate 1 and the bottom plate 2 is adjusted, after the height position of the device is determined, the two telescopic rods 15 are pulled to be in a proper length, the limiting plate 19 is loosened, then the limiting plate 19 pushes the two telescopic rods 15 to rotate under the elastic potential energy of the spring rod 18, when the bottom ends of the two telescopic rods 15 are in a vertical state with the ground, the two inserting blocks 16 are respectively inserted into the two third inserting holes 17 and limited by the limiting plate 19, the two telescopic rods 15 cannot rotate at the moment, the two telescopic rods 15 and the two inserting blocks 16 can play an auxiliary supporting role at the moment, and a part of downward acting force can be shared.
In the utility model, the distance between the top plate 1 and the bottom plate 2 can be quickly adjusted by a worker, so that the height of the upper protection device is changed, the lengths of the top plate 1 and the bottom plate 2 can be quickly adjusted, and the total length of the upper protection device is further changed, so that the working surfaces with different sizes can be supported and protected, and the practicability of the device is improved.
In the present utility model, the terms "mounted," "connected," "secured," and the like are to be construed broadly, unless otherwise specifically indicated and defined.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a coal mine blasting working face protects group's device, includes roof (1) and bottom plate (2), its characterized in that, the lateral wall of roof (1) and bottom plate (2) has seted up first socket (3) and second socket (4) respectively horizontally, symmetrical horizontal slip is inserted in first socket (3) has two first picture peg (5), symmetrical horizontal slip is inserted in second socket (4) has two L type second picture peg (6), spout has been seted up perpendicularly on second picture peg (6) top, slide in the spout and insert slide board (7), the top of two slide board (7) respectively with the lower surface fixed connection of two first picture peg (5);
the hydraulic rod is fixedly arranged at the bottom of the chute groove, the top ends of the two hydraulic rods are fixedly connected with the bottom ends of the two sliding plates (7) respectively, two groups of locking assemblies are symmetrically arranged on the lower surface of the top plate (1), and the two groups of locking assemblies are used for locking the two first plugboards (5) respectively.
2. The coal mine blasting working face upper protection device according to claim 1, wherein the locking assembly comprises a locking rod (8), a mounting block (9) fixedly mounted at the bottom end of the locking rod (8) and a telescopic spring (10) sleeved on the locking rod (8), two penetrating openings are vertically formed in the lower surface of the top plate (1), the two locking rods (8) are respectively inserted into the two penetrating openings in a sliding mode, two ends of the telescopic spring (10) are respectively fixedly connected with the lower surface of the top plate (1) and the upper surface of the mounting block (9), and a plurality of locking grooves (11) used for inserting the end portions of the locking rod (8) are formed in the lower surface of the first inserting plate (5).
3. The coal mine blasting working face upper protection device according to claim 2 is characterized in that the surface of the installation block (9) is provided with an installation opening, and pull rods (12) are fixedly installed in the two installation openings.
4. The coal mine blasting working face upper protection device according to claim 1, wherein two groups of auxiliary supporting components are arranged on the surface of the bottom plate (2), and the auxiliary supporting components are used for auxiliary supporting of the top plate (1).
5. The coal mine blasting working face upper protection device according to claim 4, wherein the auxiliary supporting component comprises an installation seat (13) fixedly installed on the surface of a bottom plate (2), a rotating shaft (14) horizontally installed in the installation seat (13) in a rotating mode, a telescopic rod (15) fixedly sleeved on the rotating shaft (14) and an arc-shaped inserting block (16) fixedly installed at the top end of the telescopic rod (15), two arc-shaped third inserting holes (17) respectively used for inserting the two inserting blocks (16) are formed in the surface of the top plate (1), and the inserting blocks (16) and the third inserting holes (17) are both arranged by taking the rotating shaft (14) as circle centers.
6. The coal mine blasting working face upper protection device according to claim 5, wherein a limiting plate (19) is fixedly arranged on the surface of the bottom plate (2) through a spring rod (18), and the limiting plate (19) is used for limiting rotation of two telescopic rods (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321339398.2U CN219795290U (en) | 2023-05-26 | 2023-05-26 | Side protection device for coal mine blasting and digging working face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321339398.2U CN219795290U (en) | 2023-05-26 | 2023-05-26 | Side protection device for coal mine blasting and digging working face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219795290U true CN219795290U (en) | 2023-10-03 |
Family
ID=88176657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321339398.2U Active CN219795290U (en) | 2023-05-26 | 2023-05-26 | Side protection device for coal mine blasting and digging working face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219795290U (en) |
-
2023
- 2023-05-26 CN CN202321339398.2U patent/CN219795290U/en active Active
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