CN219795288U - Supporting structure for tunneling roadway in coal mine goaf - Google Patents
Supporting structure for tunneling roadway in coal mine goaf Download PDFInfo
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- CN219795288U CN219795288U CN202321113527.6U CN202321113527U CN219795288U CN 219795288 U CN219795288 U CN 219795288U CN 202321113527 U CN202321113527 U CN 202321113527U CN 219795288 U CN219795288 U CN 219795288U
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- plate
- fixedly connected
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- threaded
- goaf
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- 239000003245 coal Substances 0.000 title claims abstract description 17
- 230000005641 tunneling Effects 0.000 title claims abstract description 16
- 239000011435 rock Substances 0.000 claims abstract description 16
- 239000002689 soil Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005065 mining Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a supporting structure for a tunneling roadway in a coal mine goaf, which comprises a goaf roadway surrounding rock and a transverse plate, wherein an arc-shaped supporting plate is fixedly connected to the upper end face of the transverse plate, anchor nets are arranged on the outer side walls of the arc-shaped supporting plate, anchor rods are arranged on the outer side walls of the transverse plate at equal intervals, each anchor rod penetrates through the anchor nets and stretches into the goaf roadway surrounding rock, a plurality of supporting rods are fixedly connected between the arc-shaped supporting plate and the transverse plate, four connecting plates are symmetrically and fixedly connected to the lower end face of the transverse plate, threaded holes are formed in each connecting plate, and threaded rods are connected to the two threaded holes in a threaded mode. According to the utility model, the arc-shaped support plate and the jacking plate are propped against the inner wall, so that the arc-shaped support plate can be supported to prevent the arc-shaped support plate from collapsing, the plurality of support rods, the arc-shaped support plate and the transverse plate are arranged in a triangular shape, the support to the arc-shaped support plate is enhanced, and the support effect of the structure to the arc-shaped support plate is enhanced.
Description
Technical Field
The utility model relates to the technical field of coal mine roadway support, in particular to a support structure for a tunneling roadway in a coal mine goaf.
Background
Currently, many coal mines leave a large number of goaf areas due to unordered mining. As the intensity of coal mining increases, a roadway has to be tunneled in the goaf to perform coal mining. However, the goaf is generally long in forming time, a large number of cracks exist, surrounding rock of the goaf is loosened and crushed, self-stabilization capability is poor, and tunneling and supporting of a mine are difficult.
The traditional roadway support does not have any effective protection and support measures on the side wall of the roadway basically, only supports the top wall of the roadway and omits the support on the side wall, so that the overall support effect on the roadway is reduced.
Aiming at the problems, the supporting structure for the tunneling roadway in the coal mine goaf is provided.
Disclosure of Invention
The utility model aims to solve the defect that the traditional roadway support basically has no effective protection and support measures on the side wall of a roadway in the prior art, only supports the top wall of the roadway and omits the support on the side wall, so that the overall support effect on the roadway is reduced, and provides a support structure for tunneling the roadway in a coal mine goaf.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a supporting construction for tunneling tunnel in colliery goaf, includes goaf tunnel surrounding rock and diaphragm, fixedly connected with arc backplate on the diaphragm up end, be provided with the anchor net on the lateral wall of arc backplate, equidistant stock that is provided with on the lateral wall of diaphragm, every the stock all runs through the anchor net and stretches into in the goaf tunnel surrounding rock, fixedly connected with a plurality of supporting rods between arc backplate and the diaphragm, symmetry fixedly connected with four connecting plates on the lower terminal surface of diaphragm, every threaded hole has all been seted up on the connecting plate, two equal threaded connection has the threaded rod in the threaded hole, corresponding two equal fixedly connected with rotating block of the relative one end of threaded rod, corresponding two equal swivelling joint of one end that the threaded rod is on the back of the body has the jack-in board, every jack-in board equal sliding connection is on the lower terminal surface of diaphragm, symmetry fixedly connected with four risers on the lower terminal surface of diaphragm.
Preferably, each riser is internally provided with a fixed cavity, each fixed cavity is internally provided with a servo motor, each riser is internally provided with a rotating hole, each rotating hole is communicated with the fixed cavity, each output end of the servo motor is fixedly connected with a rotating rod, each rotating rod is arranged in the rotating hole, each lower end of the rotating rod is fixedly connected with a fixed cone, and each rotating rod is fixedly connected with soil planing teeth at equal intervals on the side wall of the rotating rod.
Preferably, four sliding grooves are symmetrically formed in the lower end face of each transverse plate, each sliding groove is connected with a sliding block in a sliding mode, and each sliding block is fixedly connected to the jacking plate.
Preferably, each rotating block is symmetrically provided with a fixing hole, each fixing hole is internally and uniformly connected with a first fixing bolt in a threaded manner, and each connecting plate is provided with a threaded fixing groove matched with the first fixing bolt.
Preferably, each anchor rod is provided with a threaded connection groove, each threaded connection groove is in threaded connection with a second fixing bolt, and the other end of each second fixing bolt penetrates through the anchor net and the arc-shaped support plate.
Preferably, four diagonal rods are symmetrically and fixedly connected to the lower end face of the transverse plate, and the other end of each diagonal rod is fixedly connected to the vertical plate.
Compared with the prior art, the utility model has the beneficial effects that:
the arc support plate and the jacking plate are propped against the inner wall, the arc support plate can be supported to prevent the arc support plate from collapsing, a plurality of support rods are arranged in a triangle with the arc support plate and the transverse plate, the support to the arc support plate is enhanced, and the support effect of the arc support plate is enhanced.
Drawings
FIG. 1 is a schematic view of a supporting structure for a tunneling roadway in a coal mine goaf according to the present utility model;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view of FIG. 1 at B;
fig. 4 is an enlarged view of fig. 1 at C.
In the figure: the mining goaf roadway surrounding rock comprises an arc-shaped supporting plate 1, a transverse plate 2, a supporting rod 3, a vertical plate 4, a servo motor 5, a rotating rod 6, a fixed cone 7, a connecting plate 8, a threaded rod 9, a jacking plate 10, a rotating block 11, a first fixed bolt 12, a sliding block 13, a anchor rod 14, an anchor net 15, a second fixed bolt 16, an inclined rod 17 and a goaf roadway surrounding rock 18.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-4, a supporting structure for tunneling a roadway in a coal mine goaf comprises a goaf roadway surrounding rock 18 and a transverse plate 2, wherein an arc-shaped supporting plate 1 is fixedly connected to the upper end face of the transverse plate 2, anchor nets 15 are arranged on the outer side wall of the arc-shaped supporting plate 1, anchor rods 14 are arranged on the outer side wall of the transverse plate 2 at equal intervals, each anchor rod 14 penetrates through each anchor net 15 and extends into the goaf roadway surrounding rock 18, a plurality of supporting rods 3 are fixedly connected between the arc-shaped supporting plate 1 and the transverse plate 2, four connecting plates 8 are symmetrically and fixedly connected to the lower end face of the transverse plate 2, threaded holes are formed in each connecting plate 8, threaded rods 9 are connected to the two threaded holes in a threaded mode, rotating blocks 11 are fixedly connected to the opposite ends of the corresponding two threaded rods 9, jacking plates 10 are connected to the lower end faces of the transverse plate 2 in a sliding mode, and four vertical plates 4 are symmetrically and fixedly connected to the lower end face of the transverse plate 2; the arc support plate 1 and the jacking plate 10 are propped against the inner wall, the arc support plate 1 can be supported to prevent the arc support plate 1 from collapsing, a plurality of support rods 3 are arranged in a triangle with the arc support plate 1 and the transverse plate 2, the support to the arc support plate 1 is enhanced, and the support effect of the arc support plate 1 is enhanced.
Wherein, all offered fixed chamber in every riser 4, all fixed intracavity is fixed mounting has servo motor 5, all offered the rotation hole in every riser 4, every rotation hole all moves fixed chamber and is linked together, all fixedly connected with dwang 6 on the output of every servo motor 5, every dwang 6 all sets up in the rotation hole, the equal fixedly connected with fixed cone 7 of lower extreme of every dwang 6, equidistant fixedly connected with digs the soil tooth on the lateral wall of every dwang 6, servo motor 5's output drives dwang 6 and fixed cone 7 rotation, dig soil tooth on the fixed cone 7 and conveniently dig soil for servo motor 5's lower extreme and dwang 6 can insert in the ground.
Four sliding grooves are symmetrically formed in the lower end face of each transverse plate 2, sliding blocks 13 are slidably connected in each sliding groove, each sliding block 13 is fixedly connected to the jacking plate 10, and the sliding blocks 13 can slide left and right in the sliding grooves.
Wherein, all symmetry has seted up the fixed orifices on every turning block 11, and equal threaded connection has first fixing bolt 12 in every fixed orifices, all has seted up the screw thread fixed slot with first fixing bolt 12 assorted on every connecting plate 8, and first fixing bolt 12 can be fixed turning block 11 on connecting plate 8.
Wherein, all offered threaded connection groove on every stock 14, every threaded connection groove all threaded connection has second fixing bolt 16, and the other end of every second fixing bolt 16 all runs through anchor net 15 and arc backplate 1, and second fixing bolt 16 is fixed arc backplate 1 on stock 14, and then makes arc backplate 1 can fix on the inner wall of goaf tunnel country rock 18.
Four diagonal rods 17 are symmetrically and fixedly connected to the lower end face of the transverse plate 2, the other end of each diagonal rod 17 is fixedly connected to the vertical plate 4, and the diagonal rods 17 can play a supporting role on the transverse plate 2.
According to the utility model, the servo motor 5 is started, the output end of the servo motor 5 drives the rotating rod 6 and the fixed cone 7 to rotate, soil planing teeth on the fixed cone 7 facilitate soil planing, the lower end of the servo motor 5 and the rotating rod 6 can be inserted into the ground, the anchor net 15 is paved on the top end inner wall of the goaf roadway surrounding rock 18, the anchor rod 14 is driven into the goaf roadway surrounding rock 18 to fix the anchor net 15 on the goaf roadway surrounding rock 18, the arc-shaped support plate 1 is fixed on the anchor rod 14 through the second fixing bolt 16, the arc-shaped support plate 1 can be fixed on the inner wall of the goaf roadway surrounding rock 18, the rotating block 11 is used for rotating the tool, the threaded rod 9 is driven by the rotating block 11 to rotate, the jacking plate 10 is driven by the threaded rod 9 to move, the jacking plate 10 abuts against the lower end inner wall of the arc-shaped support plate 1, the first fixing bolt 12 is fixed on the connecting plate 8 through the rotating block 11, the arc-shaped support plate 1 and the jacking plate 10 abut against the inner wall, the arc-shaped support plate 1 can be supported to prevent the arc-shaped support plate 1 from collapsing, the arc-shaped support plate 1 and the arc-shaped support plate 3 and the arc-shaped support plate 1 are not provided with the arc-shaped support plate 1, the detailed technical field is provided, and the arc-shaped support plate 1 is not shown in the technical field is shown.
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. In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by "upper, lower, inner and outer", etc. in terms are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first, second, or third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Claims (6)
1. The utility model provides a supporting construction for tunneling tunnel in colliery goaf, includes goaf tunnel surrounding rock (18) and diaphragm (2), its characterized in that, fixedly connected with arc backplate (1) on diaphragm (2) up end, be provided with anchor net (15) on the lateral wall of arc backplate (1), equidistant stock (14) are provided with on the lateral wall of diaphragm (2), every stock (14) all run through anchor net (15) and stretch into in goaf tunnel surrounding rock (18), fixedly connected with a plurality of supporting rods (3) between arc backplate (1) and diaphragm (2), symmetry fixedly connected with four connecting plates (8) on the lower terminal surface of diaphragm (2), every threaded hole has all been seted up on connecting plate (8), two equal threaded connection has threaded rod (9) in the threaded hole, corresponding two equal fixedly connected with rotary block (11) on the lateral wall of threaded rod (9), corresponding two opposite one end rotate terminal surface (10) and advance terminal surface (10) under diaphragm (2) on the equal terminal surface of diaphragm (2).
2. The supporting structure for tunneling roadways in a coal mine goaf according to claim 1, wherein each vertical plate (4) is internally provided with a fixed cavity, each fixed cavity is internally provided with a servo motor (5), each vertical plate (4) is internally provided with a rotating hole, each rotating hole is communicated with the fixed cavity, each output end of each servo motor (5) is fixedly connected with a rotating rod (6), each rotating rod (6) is arranged in each rotating hole, the lower end of each rotating rod (6) is fixedly connected with a fixed cone (7), and the side wall of each rotating rod (6) is fixedly connected with soil planing teeth at equal intervals.
3. The supporting structure for tunneling roadways in coal mine goaf according to claim 1, wherein four sliding grooves are symmetrically formed in the lower end face of each transverse plate (2), sliding blocks (13) are slidably connected in each sliding groove, and each sliding block (13) is fixedly connected to the jacking plate (10).
4. The supporting structure for tunneling roadway in coal mine goaf according to claim 1, wherein each rotating block (11) is symmetrically provided with a fixing hole, each fixing hole is internally and spirally connected with a first fixing bolt (12), and each connecting plate (8) is provided with a threaded fixing groove matched with the first fixing bolt (12).
5. A supporting structure for a tunneling roadway in a coal mine goaf according to claim 1, characterized in that each anchor rod (14) is provided with a threaded connection groove, each threaded connection groove is connected with a second fixing bolt (16) in a threaded manner, and the other end of each second fixing bolt (16) penetrates through an anchor net (15) and an arc-shaped supporting plate (1).
6. The supporting structure for the tunneling roadway in the coal mine goaf according to claim 1, wherein four diagonal rods (17) are symmetrically and fixedly connected to the lower end face of the transverse plate (2), and the other end of each diagonal rod (17) is fixedly connected to the vertical plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321113527.6U CN219795288U (en) | 2023-05-10 | 2023-05-10 | Supporting structure for tunneling roadway in coal mine goaf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321113527.6U CN219795288U (en) | 2023-05-10 | 2023-05-10 | Supporting structure for tunneling roadway in coal mine goaf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219795288U true CN219795288U (en) | 2023-10-03 |
Family
ID=88175735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321113527.6U Active CN219795288U (en) | 2023-05-10 | 2023-05-10 | Supporting structure for tunneling roadway in coal mine goaf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219795288U (en) |
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2023
- 2023-05-10 CN CN202321113527.6U patent/CN219795288U/en active Active
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