CN213980837U - Rollover supporting device for hydraulic support at end of thin coal seam - Google Patents
Rollover supporting device for hydraulic support at end of thin coal seam Download PDFInfo
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- CN213980837U CN213980837U CN202022705367.7U CN202022705367U CN213980837U CN 213980837 U CN213980837 U CN 213980837U CN 202022705367 U CN202022705367 U CN 202022705367U CN 213980837 U CN213980837 U CN 213980837U
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- connecting plate
- coal seam
- turning
- hydraulic support
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Abstract
The utility model relates to a side-turning and top-supporting device of a hydraulic support at the end of a thin coal seam, belonging to the technical field of fully mechanized coal mining support equipment in a coal mine; the side protection plate of the top beam assembly is fixedly provided with the connecting plate, the connecting plate is rotatably connected with the side turnover plate through a fixed pin shaft, the connecting plate is fixedly provided with an ear seat, an outer cylinder barrel of the support jack is fixedly provided with a trunnion, the ear seat and the outer cylinder barrel of the support jack are rotatably connected with a stop block through the trunnion, and the side turnover plate is rotatably connected with a piston rod of the support jack through a fixed pin shaft; the problem of the empty roof region waste rock collapse between the hydraulic supports of thinner coal seam end easily injure personnel and equipment is solved.
Description
Technical Field
The utility model belongs to the technical field of colliery is fully mechanized in the pit and is strutted equipment, concretely relates to thinner seam end hydraulic support top device that turns on one's side.
Background
The existing thin coal seam working face arrangement generally hinders height limitation, the roadway bottom face is usually lower than the working face bottom face for 0.4 to 1.6 meters, in order to prevent collapse caused by stress during coal mining work in a height difference area, the distance of the end hydraulic support in the working face arrangement is usually far greater than the support center distance, so that a large-area empty top area of a top plate is generated, part of gangue at the top of the roadway can fall into a pedestrian channel, and great hidden danger is brought to the safety of underground operators. And a large number of rubber pipes and accessories are usually gathered between the frames, so that the loss rate of the equipment is greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects of the prior art and provides a rollover supporting device for a hydraulic support at the end of a thin coal seam; the problem of the empty roof region waste rock collapse between the hydraulic supports of thinner coal seam end easily injure personnel and equipment is solved.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
The utility model provides a relatively thin coal seam end hydraulic support top supporting device that turns on one's side, includes the back timber assembly, the board that turns on one's side, support jack, connecting plate, it is provided with to fix on the side guard plate of back timber assembly the connecting plate, the connecting plate rotates through fixed pin axle and the board of turning on one's side to be connected, the fixed ear seat that is provided with on the connecting plate, the fixed trunnion that is provided with on the outer cylinder of support jack, the ear seat rotates through trunnion and dog with the outer cylinder of support jack to be connected, the board that turns on one's side rotates through fixed pin axle with the piston rod of support jack to be connected.
Further, the number of the connecting plates is two.
Furthermore, the connecting plate is fastened on the side guard plate of the top beam assembly through a threaded shaft and a nut.
Furthermore, the cylinder diameter of the supporting jack is 80-100 mm, and the rod diameter of the piston rod is 60-70 mm.
The utility model discloses produced beneficial effect for prior art does:
(1) one side of the top beam is provided with a side turning plate, and an empty roof area between the supports is filled through the control of a supporting jack, so that the collapse of the top plate gangue is effectively prevented, and personnel and equipment in the supports are protected;
(2) the device can be freely disassembled according to the actual conditions of the working face, and is suitable for working faces under various working conditions;
(3) the extension and retraction of the side turning plate are controlled by an operating valve or a remote controller, so that the labor intensity of personnel can be reduced, and the working efficiency is improved;
(4) the device has the advantages of simple structure, convenient operation, low manufacturing cost and good roof supporting effect.
Drawings
The invention will be described in further detail with reference to the accompanying drawings:
fig. 1 is a schematic overall structure diagram of the present invention;
fig. 2 is a schematic view of the retracting state of the middle supporting device of the present invention;
FIG. 3 is a schematic structural view of the middle turning plate of the present invention;
FIG. 4 is a schematic structural view of the middle connection plate of the present invention;
fig. 5 is a schematic structural view of the middle support jack of the present invention;
wherein, 1 is the back timber group body, 2 is the side turning board, 3 is a jack, 4 is the connecting plate, 5 is the screw spindle, 6 is the trunnion, 7 is the dog, 8 is the fixed pin axle, 9 is the ear seat.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
As shown in fig. 1-3, the utility model provides a side-turning supporting device for a hydraulic support at the end of a thin coal seam, which comprises a top beam assembly 1, a side-turning plate 2, a supporting jack 3, a connecting plate 4, a threaded shaft 5, a trunnion 6, a stop dog 7, a fixed pin 8 and an ear seat 9 connected to the connecting plate 4; two connecting plates 4 are arranged on the side guard plate of the top beam assembly 1 and are fastened with nuts through threaded shafts 5; the side turning plate 2 is rotationally connected with the connecting plate 4 through a fixed pin shaft 8; the connecting plate 4 is welded with an ear seat 9; a trunnion 6 is welded on an outer cylinder barrel of the supporting jack 3; the cylinder diameter of the supporting jack 3 is 80-100 mm, and the rod diameter of the piston rod is 60-70 mm; the lug seat 9 is rotatably connected with the outer cylinder barrel of the supporting jack 3 through the trunnion 6 and the stop dog 7; the side turning plate 2 is rotatably connected with a piston rod of the supporting jack 3 through a fixed pin shaft 8.
The working process of the device is as follows: the side-turning supporting device is mounted on a side protection plate of the top beam assembly 1 when a large-area empty roof area appears, an operator controls the contraction of a top beam side protection jack and a supporting jack 3 inside the support through an operating valve, the top beam side protection plate is extended out, the side turning plate 2 is opened to support, the top gangue is prevented from caving, and personnel and equipment in the support are injured by smashing.
The utility model provides a pair of thinner coal seam end hydraulic support top mounted putting of turning on one's side leads to the support to arrange that the frame interval is great under combining to adopt the working face and receiving various factor influences, when the large tracts of land empty roof district appears, safe effectual roof that provides the empty roof district is strutted, uses with back timber side guard board cooperation, and safe and reliable has improved work efficiency, has alleviateed operating personnel intensity of labour. The device is applied to end supports of working faces of a plurality of thin coal seams, has a good top supporting effect, is approved by mine parties, and provides reference and reference for support design under similar and same conditions.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a relatively thin coal seam end hydraulic support device of propping up that turns on one's side which characterized in that: the side turning type lifting device comprises a top beam assembly (1), a side turning plate (2), a supporting jack (3) and a connecting plate (4), wherein the connecting plate (4) is fixedly arranged on a side protecting plate of the top beam assembly (1), the connecting plate (4) is rotatably connected with the side turning plate (2) through a fixed pin shaft (8), an ear seat (9) is fixedly arranged on the connecting plate (4), a trunnion (6) is fixedly arranged on an outer cylinder barrel of the supporting jack (3), the ear seat (9) is rotatably connected with a stop block (7) through the trunnion (6) with the outer cylinder barrel of the supporting jack (3), and the side turning plate (2) is rotatably connected with a piston rod of the supporting jack (3) through the fixed pin shaft (8).
2. The side-turning and top-supporting device of the hydraulic support at the end of the relatively thin coal seam as claimed in claim 1, wherein: the number of the connecting plates (4) is two.
3. The side-turning and top-supporting device of the hydraulic support at the end of the relatively thin coal seam as claimed in claim 1, wherein: the side guard plate of the top beam assembly (1) is fastened with the connecting plate (4) through a threaded shaft (5) and a nut.
4. The side-turning and top-supporting device of the hydraulic support at the end of the relatively thin coal seam as claimed in claim 1, wherein: the cylinder diameter of the supporting jack (3) is 80-100 mm, and the rod diameter of the piston rod is 60-70 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022705367.7U CN213980837U (en) | 2020-11-20 | 2020-11-20 | Rollover supporting device for hydraulic support at end of thin coal seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022705367.7U CN213980837U (en) | 2020-11-20 | 2020-11-20 | Rollover supporting device for hydraulic support at end of thin coal seam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213980837U true CN213980837U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022705367.7U Active CN213980837U (en) | 2020-11-20 | 2020-11-20 | Rollover supporting device for hydraulic support at end of thin coal seam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213980837U (en) |
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2020
- 2020-11-20 CN CN202022705367.7U patent/CN213980837U/en active Active
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