CN215672293U - Hydraulic support equipment for coal mining - Google Patents
Hydraulic support equipment for coal mining Download PDFInfo
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- CN215672293U CN215672293U CN202122192456.0U CN202122192456U CN215672293U CN 215672293 U CN215672293 U CN 215672293U CN 202122192456 U CN202122192456 U CN 202122192456U CN 215672293 U CN215672293 U CN 215672293U
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- support plate
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Abstract
The utility model relates to the technical field of coal mining equipment, and discloses hydraulic supporting equipment for coal mining, which comprises a base, wherein a plurality of hydraulic stand columns are installed at the top of the base, a top supporting plate is installed at the tops of the hydraulic stand columns, a protection mechanism is installed on one side of the bottom of the top supporting plate, the protection mechanism comprises a fixed protection frame, a first movable protection frame and a second movable protection frame, and a plurality of fans are installed on the surfaces of the front side and the rear side of each of the first movable protection frame and the second movable protection frame; according to the utility model, the protection mechanism is arranged, the driving motor slowly releases the connecting steel cable to expand to form the inclined protection baffle, and meanwhile, the fan between two adjacent devices blows oppositely to form an opposite blowing gas flow, so that a protection effect can be achieved on a gap between the two devices, a protection effect is improved, small splashed fragments can be effectively shielded, a good protection effect can be achieved on workers, and the safety of mining is improved.
Description
Technical Field
The utility model relates to the technical field of coal mining equipment, in particular to hydraulic support equipment for coal mining.
Background
The top coal caving mining method is characterized in that when a thick coal seam is mined, a coal mining working face with the mining height of 2-3 m is arranged along the bottom plate of the coal seam or the bottom of the coal seam within a certain thickness range, mining is carried out in a comprehensive mechanical mode, top coal is broken into discrete bodies under the action of mine pressure or by means of loosening blasting and the like, the top coal is discharged from a coal discharging window behind or above a support, the top coal is conveyed out of the working face through a scraper conveyor, and hydraulic support equipment is used for supporting the coal mine.
In the prior art, small fragments are splashed out from a mining end in the coal mining process, walking workers are easily injured, hydraulic supporting equipment is difficult to fully protect the workers, and the mining safety is reduced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a hydraulic support device for coal mining, which solves the problems that small fragments are splashed out from a mining end in the coal mining process, walking workers are easily damaged, the hydraulic support device is difficult to fully protect the workers, and the safety of mining is reduced.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: a hydraulic support device for coal mining comprises a base, wherein a plurality of hydraulic upright columns are mounted at the top of the base, a top support plate is mounted at the tops of the hydraulic upright columns, and a protection mechanism is mounted on one side of the bottom of the top support plate;
protection mechanism is including fixed protection frame, first activity protection frame and second activity protection frame, a plurality of fans are all installed to both sides surface around first activity protection frame and the second activity protection frame, a plurality of wind gaps have all been seted up on first activity protection frame and the second activity protection frame bottom surface, the inside rotation of fixed protection frame is connected with the rolling axle, rolling axle tip fixedly connected with driving motor, the epaxial connecting wire rope that is equipped with of rolling, connecting wire rope one end run through first activity protection frame and with second activity protection frame tip fixed connection, install first reset spring between first activity protection frame and the fixed protection frame, install second reset spring between second activity protection frame and the first activity protection frame.
Preferably, the end part of the fixed protection frame is fixedly connected with the top supporting plate, and the inner wall of the fixed protection frame is connected with the first movable protection frame in a sliding manner.
Preferably, the inner wall of the first movable protection frame is connected with the second movable protection frame in a sliding mode, and the first movable protection frame is not in contact with the connecting steel cable.
Preferably, a locking hole is formed in the side surface of the winding shaft, a locking head is connected inside the fixed protection frame in a sliding mode, and one end of the locking head is connected with an electric push rod.
Preferably, the electric push rod is fixedly connected with the inner wall of the fixed protection frame, and the locking head is matched with the locking hole.
Preferably, one end of the top supporting plate is hinged with a first movable supporting plate, and a first hydraulic rod is hinged between the first movable supporting plate and the top supporting plate.
Preferably, a second movable support plate is hinged to the end of the first movable support plate, a second hydraulic rod is hinged between the second movable support plate and the first movable support plate, and the protection mechanism is installed on one side of the first movable support plate.
Preferably, one end, far away from the first movable support plate, of the top support plate is hinged with a coal caving support plate, a third hydraulic rod is hinged between the coal caving support plate and the top support plate, a fourth hydraulic rod is installed inside the coal caving support plate, and a telescopic support plate is installed at the end of the fourth hydraulic rod.
(III) advantageous effects
The utility model provides a hydraulic support device for coal mining, which has the following beneficial effects:
(1) according to the utility model, by arranging the protection mechanism, the driving motor slowly releases the connecting steel cable to expand the first movable protection frame and the second movable protection frame to form the inclined protection baffle, and meanwhile, the fan between two adjacent devices blows oppositely to form an opposite blowing gas flow, so that a protection effect can be realized on a gap between the two devices, the protection effect is improved, small splashed fragments can be effectively shielded, a good protection effect can be realized on workers, and the mining safety is improved.
(2) According to the winding shaft, the electric push rod is arranged, the electric push rod is used for driving the locking head to move, and the locking head is matched with the locking hole to lock the winding shaft, so that the load on the driving motor can be avoided after the winding shaft is retracted, and the service life of the driving motor is prolonged.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the protective mechanism of the present invention;
FIG. 3 is a schematic view of the internal structure of the protection mechanism of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 3 according to the present invention.
In the figure: 1. a base; 2. a hydraulic column; 3. a top support plate; 4. a protection mechanism; 5. fixing a protective frame; 6. a first movable protective frame; 7. a second movable protective frame; 8. a fan; 9. a tuyere; 10. a winding shaft; 11. a drive motor; 12. connecting a steel cable; 13. a first return spring; 14. a second return spring; 15. a locking hole; 16. a locking head; 17. an electric push rod; 18. a first movable support plate; 19. a first hydraulic lever; 20. a second movable support plate; 21. a second hydraulic rod; 22. a coal discharge support plate; 23. a third hydraulic lever; 24. a telescopic support plate.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, the present invention provides a technical solution: a hydraulic support device for coal mining comprises a base 1, wherein a plurality of hydraulic columns 2 are installed at the top of the base 1, a top support plate 3 is installed at the top of the plurality of hydraulic columns 2, a protection mechanism 4 is installed on one side of the bottom of the top support plate 3, and a mining end can be protected by the protection mechanism 4, so that splashed small fragments can be prevented from hitting workers, a good protection effect is achieved, the mining safety is improved, and the situation that the workers observe the mining condition of the mining end can not be influenced after the mining equipment is folded;
the protection mechanism 4 comprises a fixed protection frame 5, a first movable protection frame 6 and a second movable protection frame 7, wherein a plurality of fans 8 are respectively arranged on the front side and the rear side of the first movable protection frame 6 and the second movable protection frame 7, the fans 8 between two adjacent devices blow oppositely to form opposite blowing air flow, so that a gap between the two devices can be protected, the protection effect is improved, a plurality of air ports 9 are respectively arranged on the bottom surfaces of the first movable protection frame 6 and the second movable protection frame 7, so that the fans 8 can form flowing air flow, a winding shaft 10 is rotatably connected inside the fixed protection frame 5, a driving motor 11 is fixedly connected with the end part of the winding shaft 10, a connecting steel cable 12 is arranged on the winding shaft 10, one end of the connecting steel cable 12 penetrates through the first movable protection frame 6 and is fixedly connected with the end part of the second movable protection frame 7, install first reset spring 13 between first activity protection frame 6 and the fixed protection frame 5, can play the effect of restoring to the throne to first activity protection frame 6, install second reset spring 14 between second activity protection frame 7 and the first activity protection frame 6, can play the guard action to second activity protection frame 7.
Further, 5 tip and the 3 fixed connection of top backup pad of fixed protection frame, 5 inner walls of fixed protection frame and 6 sliding connection of first activity protection frame for first activity protection frame 6 can slide in fixed protection frame 5.
Further, 6 inner walls of first activity protection frame and second activity protection frame 7 sliding connection, just first activity protection frame 6 and connecting cable 12 contactless for second activity protection frame 7 can slide in first activity protection frame 6, and connecting cable 12 can drive second activity protection frame 7 and remove, and can not lead to the fact the influence to the removal of first activity protection frame 6.
Furthermore, locking hole 15 has been seted up to rolling axle 10 side surface, the inside sliding connection of fixed protection frame 5 has locking head 16, locking head 16 one end is connected with electric putter 17, can utilize locking head 16 and locking hole 15 to cooperate and lock rolling axle 10 to can avoid causing the burden to driving motor 11 after packing up, prolong driving motor 11's life.
Further, the electric push rod 17 is fixedly connected with the inner wall of the fixed protection frame 5, and the locking head 16 is matched with the locking hole 15, so that the electric push rod 17 can push the locking head 16 to move, and can push the locking head into the locking hole 15 to be locked.
Furthermore, one end of the top supporting plate 3 is hinged with a first movable supporting plate 18, a first hydraulic rod 19 is hinged between the first movable supporting plate 18 and the top supporting plate 3, and the first movable supporting plate 18 can be rotated by the first hydraulic rod 19, so that supporting can be performed.
Furthermore, a second movable support plate 20 is hinged to the end of the first movable support plate 18, a second hydraulic rod 21 is hinged between the second movable support plate 20 and the first movable support plate 18, the protection mechanism 4 is installed on one side of the first movable support plate 18, and the second hydraulic rod 21 is used for driving the second movable support plate 20 to rotate, so that the use flexibility can be improved, and the supporting effect on a mining surface is improved.
Further, the top backup pad 3 is kept away from the one end of first activity extension board 18 articulates there is the coal discharging extension board 22, it has third hydraulic stem 23 to articulate between coal discharging extension board 22 and the top backup pad 3, coal discharging extension board 22 internally mounted has the fourth hydraulic stem, flexible extension board 24 is installed to the fourth hydraulic stem tip, can utilize third hydraulic stem 23 to drive coal discharging extension board 22 and rotate, and the fourth hydraulic stem drives flexible extension board 24 and stretches out and draws back to can conveniently carry out the coal discharging operation.
In conclusion, the working process of the utility model is as follows: when the device is used in practice, the electric push rod 17 drives the locking head 16 to move, the locking of the winding shaft 10 is released, then the driving motor 11 drives the winding shaft 10 to rotate, the connecting steel cable 12 is slowly released, the first movable protective frame 6 and the second movable protective frame 7 are unfolded by utilizing the first return spring 13 and the second return spring 14, an inclined protective baffle is formed, meanwhile, the fan 8 between two adjacent devices blows oppositely to form opposite blowing air flow, so that a gap between the two devices can be protected, the protection effect is improved, small splashed fragments can be effectively shielded, a good protection effect is achieved for workers, and the safety of mining is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a coal mining's hydraulic support equipment, includes base (1), its characterized in that: the top of the base (1) is provided with a plurality of hydraulic columns (2), the tops of the hydraulic columns (2) are provided with top supporting plates (3), and one side of the bottom of each top supporting plate (3) is provided with a protection mechanism (4);
the protection mechanism (4) comprises a fixed protection frame (5), a first movable protection frame (6) and a second movable protection frame (7), wherein the front side and the rear side of the first movable protection frame (6) and the second movable protection frame (7) are respectively provided with a plurality of fans (8), the bottom surfaces of the first movable protection frame (6) and the second movable protection frame (7) are respectively provided with a plurality of air ports (9), the fixed protection frame (5) is internally and rotatably connected with a winding shaft (10), the end part of the winding shaft (10) is fixedly connected with a driving motor (11), the winding shaft (10) is provided with a connecting steel cable (12), one end of the connecting steel cable (12) penetrates through the first movable protection frame (6) and is fixedly connected with the end part of the second movable protection frame (7), a first reset spring (13) is arranged between the first movable protection frame (6) and the fixed protection frame (5), and a second return spring (14) is arranged between the second movable protection frame (7) and the first movable protection frame (6).
2. The hydraulic support equipment for coal mining according to claim 1, wherein: the fixed protection frame (5) end part is fixedly connected with the top supporting plate (3), and the inner wall of the fixed protection frame (5) is connected with the first movable protection frame (6) in a sliding manner.
3. The hydraulic support equipment for coal mining according to claim 1, wherein: the inner wall of the first movable protection frame (6) is connected with the second movable protection frame (7) in a sliding mode, and the first movable protection frame (6) is not in contact with the connecting steel cable (12).
4. The hydraulic support equipment for coal mining according to claim 1, wherein: locking hole (15) have been seted up to rolling axle (10) side surface, fixed protection frame (5) inside sliding connection has locking head (16), locking head (16) one end is connected with electric putter (17).
5. A coal mining hydraulic support apparatus as claimed in claim 4, wherein: the electric push rod (17) is fixedly connected with the inner wall of the fixed protection frame (5), and the locking head (16) is matched with the locking hole (15).
6. The hydraulic support equipment for coal mining according to claim 1, wherein: one end of the top supporting plate (3) is hinged with a first movable supporting plate (18), and a first hydraulic rod (19) is hinged between the first movable supporting plate (18) and the top supporting plate (3).
7. The hydraulic support equipment for coal mining of claim 6, wherein: the end part of the first movable support plate (18) is hinged with a second movable support plate (20), a second hydraulic rod (21) is hinged between the second movable support plate (20) and the first movable support plate (18), and the protection mechanism (4) is installed on one side of the first movable support plate (18).
8. The hydraulic support equipment for coal mining of claim 6, wherein: the coal caving support plate is characterized in that a coal caving support plate (22) is hinged to one end, away from the first movable support plate (18), of the top support plate (3), a third hydraulic rod (23) is hinged between the coal caving support plate (22) and the top support plate (3), a fourth hydraulic rod is mounted inside the coal caving support plate (22), and a telescopic support plate (24) is mounted at the end of the fourth hydraulic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122192456.0U CN215672293U (en) | 2021-09-10 | 2021-09-10 | Hydraulic support equipment for coal mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122192456.0U CN215672293U (en) | 2021-09-10 | 2021-09-10 | Hydraulic support equipment for coal mining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215672293U true CN215672293U (en) | 2022-01-28 |
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ID=79962305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122192456.0U Active CN215672293U (en) | 2021-09-10 | 2021-09-10 | Hydraulic support equipment for coal mining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215672293U (en) |
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2021
- 2021-09-10 CN CN202122192456.0U patent/CN215672293U/en active Active
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