CN215520936U - Coal leakage protection device of mining hydraulic support - Google Patents
Coal leakage protection device of mining hydraulic support Download PDFInfo
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- CN215520936U CN215520936U CN202121778388.XU CN202121778388U CN215520936U CN 215520936 U CN215520936 U CN 215520936U CN 202121778388 U CN202121778388 U CN 202121778388U CN 215520936 U CN215520936 U CN 215520936U
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- coal
- protection device
- leakage protection
- coal receiving
- receiving box
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Abstract
The utility model discloses a coal leakage protection device of a mining hydraulic support, which comprises a hydraulic support body, wherein coal receiving boxes are arranged below the hydraulic support body, side plates are arranged on the outer walls of two sides between the adjacent coal receiving boxes, a connecting plate is arranged on one side of the bottom end of each coal receiving box, a bearing net is arranged below the coal receiving box between the adjacent connecting plates, a pin hole is formed in the center of the inner part of the bearing net, two ends of the pin hole extend to the outer parts of the connecting plates, a threaded hole is formed in the bottom of the coal receiving box above the pin hole, a locking bolt is arranged at the bottom end of the connecting plate at the position of the pin hole, and the top end of the locking bolt penetrates through the pin hole and is in threaded connection with the threaded hole. The utility model not only improves the application range of the protective device and the convenience of the protective device in use, but also reduces the labor intensity of workers in use of the protective device.
Description
Technical Field
The utility model relates to the technical field of coal mines, in particular to a coal leakage protection device of a mining hydraulic support.
Background
In the mining process, generally can adopt hydraulic support, and moving a frame in-process adopting hydraulic support, because the clearance between adjacent hydraulic support can lead to the coal body to drop, and then causes the harm phenomenon of dust, in order to reduce the emergence of this type of phenomenon, need carry out the leak protection to it and handle, consequently need use corresponding protector.
The protection devices on the market are various and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows.
(1) The existing protective device is inconvenient for adjusting the distance between the two groups of coal receiving boxes, so that the corresponding adjustment is difficult to be made according to the distance between the hydraulic support bodies, and the protective device has certain limitation;
(2) the existing protection device is inconvenient for disassembling the bearing net, so that the bearing net is inconvenient to overhaul and maintain and needs to be improved;
(3) the existing protective device is inconvenient to slide and handle, and is carried and processed by workers by means of external instruments, so that the labor intensity of the workers is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a coal leakage protection device of a mining hydraulic support, and aims to solve the problems that the distance between two groups of coal receiving boxes is inconvenient to adjust, a bearing net is inconvenient to disassemble and a sliding process is inconvenient to perform by the protection device in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a coal leakage protection device of a mining hydraulic support comprises a hydraulic support body, coal receiving boxes are arranged below the hydraulic support body, side plates are arranged on the outer walls of two sides between the adjacent coal receiving boxes, a connecting plate is arranged on one side of the bottom end of each coal receiving box, a bearing net is arranged below the coal receiving box between the adjacent connecting plates, a pin hole is arranged at the center position in the bearing net, both ends of the pin hole extend to the outside of the connecting plate, a threaded hole is arranged at the bottom of the coal receiving box above the pin hole, and the bottom end of the connecting plate at the position of the pin hole is provided with a locking bolt, the top end of the locking bolt penetrates through the pin hole and is in threaded connection with the threaded hole, one side of the bottom end of the coal receiving box is fixed with a support frame, and the inner wall between the adjacent support frames is provided with a telescopic rod, and the outer wall of one side of the support frame, which is far away from the telescopic rod, is provided with two groups of sliding structures.
Preferably, all be fixed with spacing frame on the coal receiving box outer wall at curb plate both ends, and the inside central point department of putting of spacing frame is equipped with the stopper, the one end of stopper extend to the outside of spacing frame and with the one end fixed connection of curb plate to make coal receiving box be located and carry out the translation between two sets of curb plates.
Preferably, the number of the sliding structures is four, the four sliding structures are divided into two groups, and the adjacent sliding structures are symmetrical about the central line of the supporting frame, so that the stability of the protective device during sliding is improved.
Preferably, slide the inside of structure and be equipped with hob, spiral section of thick bamboo, universal wheel in proper order, bear frame and swing handle, all install two sets of carriers on the outer wall of support frame one side, and bear the one end that the support frame was kept away from to be fixed with a spiral section of thick bamboo to settle the processing to the hob.
Preferably, the inside threaded connection of spiral shell has the hob, and the top of hob extends to the outside of spiral shell and installs the swing handle to the bottom of hob extends to the outside of spiral shell and rotates and be connected with the universal wheel, so that go up and down to the universal wheel and handle.
Preferably, all be fixed with the lead screw on the support frame inner wall of telescopic link top, and two sets of lead screws are horizontal structure to settle the processing to the screw.
Preferably, the central position of the surface of the screw rod is in threaded connection with nuts, and the outer walls between the adjacent nuts are fixed with rotating handles so as to adjust the distance between the two groups of coal boxes.
Compared with the prior art, the utility model has the beneficial effects that: the coal leakage protection device of the mining hydraulic support not only improves the application range of the protection device, improves the convenience of the protection device in use, but also reduces the labor intensity of workers in use of the protection device;
(1) by arranging the telescopic rod, the nut, the rotating handle, the screw rod, the side plates, the limiting blocks and the limiting frame, after the translation amplitude of the two groups of supporting frames is limited by the telescopic rod through rotating the rotating handle, the nut is positioned on the outer wall of the screw rod to rotate and slide, so that the distance between the two groups of screw rods is changed, the screw rod drives the coal receiving box to synchronously translate through the supporting frames, at the moment, the limiting blocks can be positioned inside the limiting frame to slide, so that the coal receiving box is positioned between the two groups of side plates to translate, and corresponding adjustment can be carried out according to the distance between the two groups of hydraulic support bodies, so that the application range of the protective device is expanded;
(2) through the arrangement of the threaded hole, the locking bolt and the pin hole, the locking bolt is rotated to be positioned inside the pin hole and is screwed out of the threaded hole, and then the bearing net is pulled downwards, so that the connecting plate can be detached from the bottom of the coal receiving box, the purpose of detaching the bearing net is achieved, the bearing net can be maintained and repaired conveniently, and the convenience in use of the protective device is improved;
(3) through being provided with the hob, the scroll section of thick bamboo, the universal wheel, bear frame and swing handle, set up the scroll section of thick bamboo in the outer wall of support frame through bearing the frame, manual rotatory swing handle, make its inside that drives the hob and be located the scroll section of thick bamboo rotatory and move down, and make the hob drive the universal wheel and move down in step, the plane at universal wheel bottom place this moment is less than the plane at support frame bottom place, and then promote protector and can carry out short distance to it and slide the processing, take place with the help of the phenomenon of outside instrument to carry out its in order to avoid the staff, thereby staff's intensity of labour when protector uses has been reduced.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 1 at B according to the present invention;
FIG. 4 is an enlarged schematic view of the sliding structure of the present invention;
FIG. 5 is a schematic view of an appearance structure of the coal receiving box of the present invention.
In the figure: 1. a hydraulic bracket body; 2. a carrying net; 3. a side plate; 4. a coal receiving box; 5. a sliding structure; 501. a screw rod; 502. a spiral cylinder; 503. a universal wheel; 504. a carrier; 505. turning a handle; 6. a telescopic rod; 7. a support frame; 8. a threaded hole; 9. locking the bolt; 10. a connecting plate; 11. a pin hole; 12. a nut; 13. a handle is rotated; 14. a screw rod; 15. a limiting block; 16. and a limiting frame.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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.
Referring to fig. 1-5, an embodiment of the present invention is shown: a coal leakage protection device of a mining hydraulic support comprises a hydraulic support body 1, coal receiving boxes 4 are arranged below the hydraulic support body 1, and side plates 3 are arranged on the outer walls of two sides between the adjacent coal receiving boxes 4;
the outer walls of the coal receiving boxes 4 at the two ends of the side plates 3 are all fixed with limiting frames 16, the central positions inside the limiting frames 16 are provided with limiting blocks 15, and one ends of the limiting blocks 15 extend to the outer parts of the limiting frames 16 and are fixedly connected with one ends of the side plates 3, so that the coal receiving boxes 4 are positioned between the two groups of side plates 3 to be translated;
one side of the bottom end of the coal receiving box 4 is provided with a connecting plate 10, and a bearing net 2 is arranged below the coal receiving box 4 between the adjacent connecting plates 10;
a pin hole 11 is arranged at the central position inside the bearing net 2, and two ends of the pin hole 11 extend to the outside of the connecting plate 10 so as to arrange the locking bolt 9;
the bottom of the coal receiving box 4 above the pin hole 11 is provided with a threaded hole 8, the bottom end of a connecting plate 10 at the position of the pin hole 11 is provided with a locking bolt 9, and the top end of the locking bolt 9 penetrates through the pin hole 11 and is in threaded connection with the threaded hole 8 so as to disassemble the bearing net 2;
one side of the bottom end of the coal receiving box 4 is fixed with a support frame 7, and the inner wall between the adjacent support frames 7 is provided with a telescopic rod 6;
the inner walls of the support frames 7 above the telescopic rods 6 are all fixed with screw rods 14, and the two groups of screw rods 14 are in a horizontal structure so as to arrange and process the nuts 12;
two groups of sliding structures 5 are arranged on the outer wall of the support frame 7 at one side far away from the telescopic rod 6;
the number of the sliding structures 5 is four, the four sliding structures 5 are divided into two groups, and the adjacent sliding structures 5 are symmetrical about the central line of the supporting frame 7, so that the stability of the protective device during sliding is improved;
a screw rod 501, a screw cylinder 502, a universal wheel 503, a bearing frame 504 and a universal wheel 505 are sequentially arranged in the sliding structure 5, two groups of bearing frames 504 are mounted on the outer wall of one side of the support frame 7, the screw cylinder 502 is fixed at one end of each bearing frame 504 far away from the support frame 7, the screw rod 501 is connected to the screw cylinder 502 in a threaded manner, the top end of the screw rod 501 extends to the outside of the screw cylinder 502 and is provided with the universal wheel 505, and the bottom end of the screw rod 501 extends to the outside of the screw cylinder 502 and is rotatably connected with the universal wheel 503;
during the use, through rotatory swing handle 505, make it drive the inside rotation that hob 501 is located spiral section of thick bamboo 502 and move down to make hob 501 drive universal wheel 503 and move down in step, the plane that universal wheel 503 bottom was located this moment is less than the plane that the support frame 7 bottom was located, and then promote protector and can carry out the short distance to it and slide the processing.
The working principle is as follows: when the protective device is used, firstly, the rotating handle 13 is rotated, the translation amplitude of the two groups of supporting frames 7 is limited through the telescopic rod 6, the nut 12 is positioned on the outer wall of the screw rod 14 to rotate and slide, so that the distance between the two groups of screw rods 14 is changed, the screw rod 14 drives the coal receiving box 4 to synchronously translate through the supporting frames 7, at the moment, the limiting block 15 is positioned in the limiting frame 16 to slide, so that the coal receiving box 4 is positioned between the two groups of side plates 3 to translate, corresponding adjustment can be carried out according to the distance between the two groups of hydraulic support bodies 1, then the coal blocks are limited through the side plates 3, so that the coal receiving box 4 collects and processes the coal blocks, the coal blocks fall into the top of the bearing net 2 to achieve the purpose of coal leakage protection, and then the locking bolt 9 is rotated and screwed out of the threaded hole 8 in the pin hole 11, and pull down and bear net 2 again, can make connecting plate 10 detach in the bottom that connects coal box 4, in order to reach the purpose of dismantling bearing net 2, set up spiral cylinder 502 in the outer wall of support frame 7 through bearing frame 504 at last, manual rotation turning handle 505, make it drive the inside rotation that hob 501 is located spiral cylinder 502 and move down, and make hob 501 drive universal wheel 503 and move down in step, the plane that universal wheel 503 bottom was located this moment is less than the plane that support frame 7 bottom was located, and then promote protector and can carry out short distance's processing of sliding to it, thereby accomplish protector's use.
Claims (7)
1. The coal leakage protection device for the mining hydraulic support is characterized by comprising a hydraulic support body (1), coal receiving boxes (4) are arranged below the hydraulic support body (1), side plates (3) are arranged on outer walls of two sides between the adjacent coal receiving boxes (4), a connecting plate (10) is arranged on one side of the bottom end of each coal receiving box (4), a bearing net (2) is arranged below the coal receiving box (4) between the adjacent connecting plates (10), a pin hole (11) is formed in the center position inside the bearing net (2), a threaded hole (8) is formed in the bottom of each coal receiving box (4) above the pin hole (11), a locking bolt (9) is arranged at the bottom end of the connecting plate (10) at the position of the pin hole (11), supporting frames (7) are fixed on one side of the bottom end of each coal receiving box (4), and a telescopic rod (6) is arranged on the inner wall between the adjacent supporting frames (7), and two groups of sliding structures (5) are arranged on the outer wall of one side of the support frame (7) far away from the telescopic rod (6).
2. The coal leakage protection device for the hydraulic mining bracket according to claim 1, characterized in that: the coal receiving box is characterized in that limiting frames (16) are fixed on the outer walls of the coal receiving boxes (4) at the two ends of the side plates (3), limiting blocks (15) are arranged at the center positions inside the limiting frames (16), and one ends of the limiting blocks (15) extend to the outside of the limiting frames (16) and are fixedly connected with one ends of the side plates (3).
3. The coal leakage protection device for the hydraulic mining bracket according to claim 1, characterized in that: the number of the sliding structures (5) is four, the four sliding structures (5) are divided into two groups, and the adjacent sliding structures (5) are symmetrical about the central line of the support frame (7).
4. The coal leakage protection device for the hydraulic mining bracket according to claim 1, characterized in that: the inside of sliding structure (5) is equipped with hob (501), spiral section of thick bamboo (502), universal wheel (503), bears frame (504) and swing handle (505) in proper order, all install two sets of carriers (504) on the outer wall of support frame (7) one side, just bear the frame (504) keep away from the one end of support frame (7) and be fixed with spiral section of thick bamboo (502).
5. The coal leakage protection device for the hydraulic mining bracket according to claim 4, characterized in that: the internal thread of spiral shell (502) is connected with hob (501), and the top of hob (501) extends to the outside of spiral shell (502) and installs swing handle (505), and the bottom of hob (501) extends to the outside of spiral shell (502) and rotates and is connected with universal wheel (503).
6. The coal leakage protection device for the hydraulic mining bracket according to claim 1, characterized in that: the inner wall of the support frame (7) above the telescopic rod (6) is fixed with screw rods (14), and the two screw rods (14) are of a horizontal structure.
7. The coal leakage protection device for the hydraulic mining bracket according to claim 6, characterized in that: the center position on the surface of the screw rod (14) is connected with nuts (12) in a threaded manner, and rotating handles (13) are fixed on the outer walls between the adjacent nuts (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121778388.XU CN215520936U (en) | 2021-07-29 | 2021-07-29 | Coal leakage protection device of mining hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121778388.XU CN215520936U (en) | 2021-07-29 | 2021-07-29 | Coal leakage protection device of mining hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215520936U true CN215520936U (en) | 2022-01-14 |
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ID=79788710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121778388.XU Active CN215520936U (en) | 2021-07-29 | 2021-07-29 | Coal leakage protection device of mining hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215520936U (en) |
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2021
- 2021-07-29 CN CN202121778388.XU patent/CN215520936U/en active Active
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