CN211623461U - Take fore-stock of flexible roof beam and returning face plate - Google Patents
Take fore-stock of flexible roof beam and returning face plate Download PDFInfo
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- CN211623461U CN211623461U CN202020021909.6U CN202020021909U CN211623461U CN 211623461 U CN211623461 U CN 211623461U CN 202020021909 U CN202020021909 U CN 202020021909U CN 211623461 U CN211623461 U CN 211623461U
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Abstract
The utility model discloses a fore-stock of flexible roof beam in area and returning face plate, the on-line screen storage device comprises a base, the base is the rectangle structure, base bottom surface and ground contact, base top surface left side, right side relative position respectively is equipped with the stand that a structure is the same, the stand top is equipped with the back timber that the level was arranged, the back timber is cavity rectangle structure and bottom surface simultaneously and left side, right side stand top surface fixed connection, back timber leading flank left part, the right part is equipped with forward returning face plate respectively, back timber trailing flank left part, the right part is equipped with backward returning face plate respectively, every returning face plate bottom all is equipped with a plurality of upset jacks that play the roll-over action, upset jack push rod rotates with the returning face plate bottom surface to be connected, upset jack cylinder body and back timber bottom swivelling joint, the back timber left surface, the right flank is equipped with a flexible jack respectively. The utility model has the advantages that: not only the lateral support area but also the longitudinal support area is increased.
Description
Technical Field
The utility model belongs to the technical field of hydraulic support, concretely relates to advance support of flexible roof beam in area and returning face plate.
Background
The hydraulic support is used for controlling the pressure of a mine on a coal face, the pressure of the mine acts on the hydraulic support, the hydraulic support guarantees the safety and stability in the mine, whether the structure of the hydraulic support is stable or not directly determines whether the safety in the mine is safe or not, the hydraulic support is very important in coal mining operation, and the forepoling is one of a plurality of hydraulic supports and is widely applied to coal mining operation at present.
However, the prior overpressure support has some problems in practical use, such as the small top surface area of the forepoling, no support at the position between every two longitudinal forepoling, and the danger of collapse of the mine pit, and secondly, a distance is left between every two transverse forepoling hydraulic supports, no support is provided, and the danger of collapse of the mine pit is also provided, and therefore, people are always seeking a solution for solving the problems.
Disclosure of Invention
The utility model provides a take forepoling of flexible roof beam and returning face plate has not only increased horizontal support area but also increased fore-and-aft support area.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the fore support with the telescopic beam and the turnover plate comprises a base, wherein the base is of a rectangular structure, the bottom surface of the base is in contact with the ground, vertical columns with the same structure are respectively arranged at the left side and the right side of the top surface of the base, the vertical columns are of a telescopic hydraulic structure, top parts of the vertical columns are provided with horizontally arranged top beams, the top beams are of a hollow rectangular structure, the bottom surfaces of the top beams are simultaneously fixedly connected with the left side and the right side of the top surface of the vertical column, the left part and the right part of the front side surface of the top beams are respectively provided with a forward turnover plate, the left part and the right part of the rear side surface of the top beams are respectively provided with a backward turnover plate, the bottom of each turnover plate is provided with a plurality of turnover jacks for turnover, a push rod of each turnover jack is rotatably connected with the bottom surface of the turnover plate, a cylinder body of the turnover jack is rotatably connected, the telescopic beam is positioned in the top beam and moves relative to the top beam through the telescopic jack.
Furthermore, the top beam is of a hollow rectangular structure, and the left side surface and the right side surface of the top beam are opened.
Furthermore, the telescopic jack on the left side surface of the top beam is arranged leftwards, and the telescopic jack on the right side surface of the top beam is arranged rightwards.
Furthermore, a control system is arranged on the base, and the upright column, the telescopic jack and the overturning jack are connected with and controlled by the control system.
Furthermore, all the turnover plates have the same shape, size and structure.
Further, the front side and the rear side of the base are provided with base turnover mechanisms with symmetrical structures, each base turnover mechanism comprises a base turnover plate and a base turnover plate jack for controlling the base turnover plates, each base turnover plate top surface is provided with a plurality of base turnover plate jacks, a base turnover plate jack push rod is connected with the base turnover plate top surface in a rotating mode, and a base turnover plate jack cylinder body is connected with the base in a rotating mode.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a, including the base, the base is the rectangle structure, the base bottom surface contacts with ground, the left side of base top surface, right side relative position respectively are equipped with a stand that the structure is the same, stand top is equipped with the back timber of horizontal arrangement, the back timber is the hollow rectangle structure and bottom surface simultaneously and left side, right side stand top surface fixed connection, the left part of back timber front side, the right part is respectively equipped with forward returning face plate, the left part of back timber rear side, the right part is respectively equipped with backward returning face plate, every returning face plate bottom all is equipped with a plurality of upset jacks that play the roll-over action, the upset jack push rod is connected with returning face plate bottom surface rotation, the upset jack cylinder body is connected with back timber bottom rotation, back timber left side, right side respectively is equipped with a flexible jack, flexible jack top is equipped with flexible roof beam, through setting up returning face plate and flexible roof beam, the support, increased factor of safety in the mine, and the returning face plate can also contract and open with flexible roof beam, make things convenient for the transportation in the mine, space utilization in the mine has been improved, the returning face plate all adopts the jack with the support of flexible roof beam, the intensity of returning face plate and flexible roof beam has been guaranteed, the device is equipped with control system simultaneously, convenient operation, through setting up base returning face plate and base returning face plate jack, the support area on base and ground has been increased, make whole device more firm, the base returning face plate can be packed up through base returning face plate jack effect simultaneously, the volume is reduced, convenient transportation and installation.
Drawings
Fig. 1 is a schematic structural view of the expansion beam of the present invention;
FIG. 2 is a schematic view of the retractable beam of the present invention;
fig. 3 is a front view of the present invention;
fig. 4 is a side view of the turnover panel of the present invention when it is unfolded.
In the figure: 1. the device comprises a telescopic beam, 2 top beams, 3 telescopic jacks, 4 upright columns, 5 bases, 6 turnover plates and 7 turnover jacks.
Detailed Description
Example (b): as shown in fig. 1, 2, 3 and 4, the device comprises a base 5, wherein the base 5 is of a rectangular structure, the bottom surface of the base 5 is in contact with the ground, the left side and the right side of the top surface of the base 5 are respectively provided with a stand column 4 with the same structure, the stand column 4 is of a telescopic hydraulic structure, the top of the stand column 4 is provided with a top beam 2 which is horizontally arranged, the top beam 2 is of a hollow rectangular structure, the bottom surface of the top beam 2 is fixedly connected with the top surfaces of the left side stand column 4 and the right side stand column 4, the left part and the right part of the front side surface of the top beam 2 are respectively provided with a forward turning plate 6, the left part and the right part of the rear side surface of the top beam 2 are respectively provided with a backward turning plate 6, the bottom of each turning plate 6 is provided with a plurality of turning jacks 7 for turning, a push rod of each turning jack 7 is rotatably connected with, the top of the telescopic jack 3 is provided with a telescopic beam 1, the cross section of the telescopic beam 1 is matched with the cross section of the top beam 2, and the telescopic beam 1 is positioned inside the top beam 2 and moves relative to the top beam 2 through the telescopic jack 3.
The front side and the rear side of the base 5 are provided with base turnover mechanisms with symmetrical structures, each base turnover mechanism comprises a base turnover plate and base turnover plate jacks for controlling the base turnover plates, each base turnover plate top surface is provided with a plurality of base turnover plate jacks, a base turnover plate jack push rod is connected with the base turnover plate top surface in a rotating mode, and a base turnover plate jack cylinder body is connected with the base 5 in a rotating mode.
The working process is as follows: transport the device to the position that needs the support in the mine, let stand 4 upwards extend through control system, contact and support the mine up to back timber 2 top surface and mine top surface, at this moment, control all upset jacks 7 and extend, upset jack 7 promotes all returning face plates 6 upwards to overturn, until all returning face plates 6 are in the level, returning face plates 6 top surface and pit top surface contact, further support the pit, at this moment, start all flexible jacks 3, flexible jack 3 drives all flexible roof beams 1 and extends, flexible roof beam 1 top surface also plays the supporting role to the pit top surface, returning face plates 6 and flexible roof beam 1 have increaseed the support area at device top, the factor of safety in the mine has been increased, when demolising the device, let flexible roof beam 1 and returning face plates 6 shrink, the device volume is reduced, conveniently transport.
Claims (6)
1. The utility model provides a take fore-stock of flexible roof beam and returning face plate which characterized in that: comprises a base (5), the base (5) is of a rectangular structure, the bottom surface of the base (5) is contacted with the ground, the left side and the right side of the top surface of the base (5) are respectively provided with a stand column (4) with the same structure at the relative position, the stand column (4) is of a telescopic hydraulic structure, the top of the stand column (4) is provided with a top beam (2) which is horizontally arranged, the top beam (2) is of a hollow rectangular structure, the bottom surface of the top beam (2) is fixedly connected with the top surfaces of the stand columns at the left side and the right side, the left part and the right part of the front side surface of the top beam (2) are respectively provided with a forward turnover plate (6), the left part and the right part of the rear side surface of the top beam (2) are respectively provided with a backward turnover plate (6), the bottom of each turnover plate (6) is provided with a plurality of turnover jacks (7) which play a turnover role, the left side face and the right side face of the top beam (2) are respectively provided with a telescopic jack (3), the top of the telescopic jack (3) is provided with a telescopic beam (1), the cross section of the telescopic beam (1) is matched with that of the top beam (2), and the telescopic beam (1) is located inside the top beam (2) and moves relative to the top beam (2) through the telescopic jack (3).
2. The forepoling of claim 1, characterized in that: the top beam (2) is of a hollow rectangular structure, and the left side surface and the right side surface of the top beam are opened.
3. The forepoling of claim 1, characterized in that: the telescopic jack (3) on the left side surface of the top beam (2) is arranged leftwards, and the telescopic jack (3) on the right side surface of the top beam (2) is arranged rightwards.
4. The forepoling of claim 1, characterized in that: the base (5) is provided with a control system, and the upright column (4), the telescopic jack (3) and the overturning jack (7) are connected with and controlled by the control system.
5. The forepoling of claim 1, characterized in that: all the turnover plates (6) have the same shape, size and structure.
6. The forepoling of claim 1, characterized in that: the front side and the rear side of the base (5) are provided with base turnover mechanisms with symmetrical structures, each base turnover mechanism comprises a base turnover plate and a base turnover plate jack for controlling the base turnover plates, each base turnover plate top surface is provided with a plurality of base turnover plate jacks, a base turnover plate jack push rod is connected with the base turnover plate top surface in a rotating mode, and a base turnover plate jack cylinder body is connected with the base (5) in a rotating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020021909.6U CN211623461U (en) | 2020-01-07 | 2020-01-07 | Take fore-stock of flexible roof beam and returning face plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020021909.6U CN211623461U (en) | 2020-01-07 | 2020-01-07 | Take fore-stock of flexible roof beam and returning face plate |
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| Publication Number | Publication Date |
|---|---|
| CN211623461U true CN211623461U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020021909.6U Active CN211623461U (en) | 2020-01-07 | 2020-01-07 | Take fore-stock of flexible roof beam and returning face plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116575965A (en) * | 2023-07-14 | 2023-08-11 | 山西联盛科技有限公司 | Collapse-preventing tunnel refuge protection equipment and protection method thereof |
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2020
- 2020-01-07 CN CN202020021909.6U patent/CN211623461U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116575965A (en) * | 2023-07-14 | 2023-08-11 | 山西联盛科技有限公司 | Collapse-preventing tunnel refuge protection equipment and protection method thereof |
| CN116575965B (en) * | 2023-07-14 | 2023-09-19 | 山西联盛科技有限公司 | Collapse-preventing tunnel refuge protection equipment and protection method thereof |
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