CN221256814U - Tunnel support is used in colliery coal pillar exploitation - Google Patents
Tunnel support is used in colliery coal pillar exploitation Download PDFInfo
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- CN221256814U CN221256814U CN202322637827.0U CN202322637827U CN221256814U CN 221256814 U CN221256814 U CN 221256814U CN 202322637827 U CN202322637827 U CN 202322637827U CN 221256814 U CN221256814 U CN 221256814U
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- support
- roadway
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- tunnel
- support frame
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- 239000003245 coal Substances 0.000 title claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 26
- 239000002689 soil Substances 0.000 claims abstract description 7
- 238000005065 mining Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a roadway support for coal pillar mining, which belongs to the field of roadway support and comprises a roadway support frame and an inserting part, wherein the inserting part is positioned at two ends of the roadway support frame, the inserting part is embedded into the ground of a roadway, an arc section of the roadway support frame is provided with two symmetrical notches, reinforcing frames are inserted into the two notches, two ends of each reinforcing frame are provided with tip parts embedded into the soil of the roadway, two symmetrical support columns are arranged at the lower end of each reinforcing frame, and a base pipe is arranged between each support column and the corresponding roadway support frame. The arc section at the tunnel support frame sets up the enhancement frame, and the both ends of this enhancement frame are tip portion design, and the tip portion of enhancement frame inserts in the tunnel soil and promotes the supporting stability and the fastness of tunnel support, but the support column of adjustable position is installed at the both ends of enhancement frame, is convenient for adjust the position of support column according to the concrete condition in tunnel, is connected through base pipe and telescopic link between support column and the tunnel support frame, further promotes the stability performance of support.
Description
Technical Field
The utility model relates to the field of roadway support, in particular to a roadway support for coal pillar mining.
Background
The coal mine roadway support is a passive support frame for supporting a coal mine, has high tensile strength and compression strength, good toughness performance, high supporting force and high supporting strength, can be used repeatedly, and is widely applied to mine roadways, in particular to deep complex roadways and soft coal seam roadways;
chinese patent publication No. CN213205705U; the utility model provides a colliery underworkings protection support, includes two sets of mounting plates, be provided with the support sleeve on the mounting plate, all be provided with the telescopic column in the support sleeve, wherein one telescopic column one side is provided with the rack, rack and spur gear engagement, be provided with the pivot on the spur gear, be provided with the rocking wheel in the pivot, the one end of pivot pass fixed cover with the rocking wheel is connected; the telescopic column is provided with a supporting plate, the supporting plate is provided with a protection plate, a damping mechanism is arranged between the protection plate and the supporting plate, the damping mechanism comprises a buffer spring, and the buffer spring is respectively connected with the protection plate and the supporting plate through a limit sleeve; baffles are arranged at two ends of the protection plate;
The support of tunnel is realized to the adoption arch frame, and this kind of tunnel protection support only plays the top and supports the effect but the compressive effect at top both ends is comparatively weak, consequently needs to strengthen the compressive property of this department, is difficult to when the mounted position of effective support column is not good according to tunnel specific condition adjustment position, needs to make some changes.
Disclosure of utility model
The utility model mainly aims to provide a roadway support for coal pillar mining, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a coal mine coal pillar is opened and is used tunnel support, including tunnel support frame and insert portion, insert portion is located the both ends of tunnel support frame, insert portion buries tunnel ground, two symmetrical breach have been seted up to the arc section of tunnel support frame, two in-jugs insert the strengthening frame, the both ends of strengthening frame are equipped with the tip portion of burying tunnel soil, two symmetrical support columns are installed to the lower extreme of strengthening frame, be equipped with the base pipe between support column and the tunnel support frame, the mounting hole site that the equidistance set up has been seted up to the inner wall of tunnel support frame, the base pipe passes through the bolt fastening on the mounting hole site, the lower extreme of support column is equipped with the mount pad, the mount pad is fixed subaerial at the tunnel.
The port of the base pipe is provided with a telescopic rod, the telescopic rod is fixed on the support column through a lantern ring, the lantern ring is of a clamp structure, and an anti-skid sleeve is arranged between the lantern ring and the support column;
The telescopic rod and the base pipe are connected through threads, and pin holes for inserting the bolt rods are formed in the surfaces of the telescopic rod and the base pipe;
The reinforcing frame is provided with two groups of symmetrically arranged first waist holes and second waist holes, connectors are inserted into the first waist holes and the second waist holes, the lower ends of the connectors are fixed with the support columns, and the upper ends of the connectors are fixed on the reinforcing frame through fastening nuts;
The connector is divided into a base and two screws, the two screws are positioned at the edge of the upper end of the base, and the two screws penetrate through the first waist hole and the second waist hole to be connected with the fastening nut;
wherein, two screws of the connector are sleeved with a limit sheet, and the surface of the limit sheet is adhered with an anti-slip pad.
Compared with the prior art, the utility model has the following beneficial effects:
According to the utility model, the arc-shaped section of the roadway support frame is provided with the reinforcing frame, the two ends of the reinforcing frame are designed to be tip ends, the tip ends of the reinforcing frame are inserted into the roadway soil to improve the support stability and firmness of the roadway support frame, and the two ends of the reinforcing frame are provided with the support columns with adjustable positions, so that the positions of the support columns can be conveniently adjusted according to the concrete conditions of the roadway, and the support columns are connected with the roadway support frame through the base pipes and the telescopic rods, so that the stability of the support is further improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an illustration of a roadway support and reinforcement rack of the present utility model;
FIG. 3 is an illustration of the reinforcement rack and support column of the present utility model;
FIG. 4 is an enlarged schematic view of FIG. 1 at A;
Fig. 5 is an enlarged schematic view at B in fig. 3.
In the figure: 1. roadway support frames; 2. an insertion section; 3. a reinforcing frame; 4. a tip portion; 5. a first waist hole; 6. a second waist hole; 7. a connector; 8. a limiting piece; 9. a fastening nut; 10. a support column; 11. a mounting base; 12. a collar; 13. a base pipe; 14. installing hole sites; 15. a telescopic rod.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-5, a roadway support for coal pillar opening of a coal mine comprises a roadway support frame 1 and an inserting part 2, wherein the inserting part 2 is positioned at two ends of the roadway support frame 1, the inserting part 2 is buried in the roadway ground, two symmetrical notches are formed in an arc section of the roadway support frame 1, a reinforcing frame 3 is inserted into the two notches, two tip parts 4 buried in the roadway soil are arranged at two ends of the reinforcing frame 3, two symmetrical support columns 10 are arranged at the lower end of the reinforcing frame 3, a base pipe 13 is arranged between the support columns 10 and the roadway support frame 1, mounting hole sites 14 which are equidistantly arranged are formed in the inner wall of the roadway support frame 1, the base pipe 13 is fixed on the mounting hole sites 14 through bolts, mounting seats 11 are arranged at the lower ends of the support columns 10, and the mounting seats 11 are fixed on the roadway ground; the port of the base pipe 13 is provided with a telescopic rod 15, the telescopic rod 15 is fixed on the support column 10 through a lantern ring 12, the lantern ring 12 is of a clamp structure, and an anti-skid sleeve is arranged between the lantern ring 12 and the support column 10; the base pipe 13 is connected with the telescopic rod 15 through threads, and pin holes for inserting the bolt rods are formed in the surfaces of the telescopic rod 15 and the base pipe 13; when the roadway support frame 1 is used, the roadway support frame 1 is placed in a roadway, the reinforcing frame 3 is inserted into a notch formed in the arc section of the roadway support frame 1, the tip 4 of the reinforcing frame 3 is inserted into roadway soil, the reinforcing frame 3 plays a role in supporting two ends of the arc section of the roadway support frame 1 to a certain extent, the stability of the support at the position can be ensured, the compression resistance of the position can be improved, the support column 10 is fixed at two ends of the lower end of the reinforcing frame 3, the support column 10 plays a role in supporting the reinforcing frame 3, the stability of the position is further improved, the support column 10 and the roadway support frame 1 are connected through the base pipe 13 and the telescopic rod 15, and the inward bulge of the roadway support frame 1 and the deflection of the support column 10 are effectively prevented;
Two groups of symmetrically arranged first waist holes 5 and second waist holes 6 are formed in the reinforcing frame 3, connectors 7 are inserted into the first waist holes 5 and the second waist holes 6, the lower ends of the connectors 7 are fixed with support columns 10, and the upper ends of the connectors 7 are fixed on the reinforcing frame 3 through fastening nuts 9; the connector 7 is divided into a base and two screws, the two screws are positioned at the edge of the upper end of the base, and the two screws penetrate through the first waist hole 5 and the second waist hole 6 and are connected with the fastening nut 9; the two screws of the connector 7 are sleeved with a limit sheet 8, and the surface of the limit sheet 8 is adhered with an anti-slip pad; the support column 10 is connected with the reinforcing frame 3 through the connector 7 of adjustable position, can adjust the position of support column 10 according to the specific position in tunnel, specifically loosen the fastening nut 9 of connector 7 upper end, the connector 7 slides along first waist hole 5 and second waist hole 6 and can adjust the position of support column 10, changes the distance between support column 10 and the tunnel support frame 1 inner wall, and the length that telescopic link 15 stretched out changes thereupon this moment.
It should be noted that in this document, relational terms such as first and second (first and second), and the like are 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. Rather, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a coal mine coal pillar is opened and is used tunnel support, includes tunnel support frame (1) and insert portion (2), and insert portion (2) are located the both ends of tunnel support frame (1), and insert portion (2) buries tunnel ground, its characterized in that: two symmetrical gaps are formed in the arc-shaped section of the roadway support frame (1), reinforcing frames (3) are inserted into the two gaps, tip portions (4) buried into roadway soil are arranged at two ends of each reinforcing frame (3), two symmetrical support columns (10) are arranged at the lower ends of the reinforcing frames (3), base pipes (13) are arranged between the support columns (10) and the roadway support frame (1), mounting hole sites (14) which are arranged at equal intervals are formed in the inner wall of the roadway support frame (1), the base pipes (13) are fixed on the mounting hole sites (14) through bolts, mounting seats (11) are arranged at the lower ends of the support columns (10), and the mounting seats (11) are fixed on the roadway ground.
2. The roadway support for coal mine pillar opening according to claim 1, wherein: the port of base pipe (13) is equipped with telescopic link (15), and telescopic link (15) are fixed on support column (10) through lantern ring (12), and lantern ring (12) are the clamp structure, are equipped with the antiskid cover between lantern ring (12) and support column (10).
3. The roadway support for coal mine pillar opening according to claim 2, wherein: the base pipe (13) and the telescopic rod (15) are connected through threads, and pin holes for inserting the bolt rods are formed in the surfaces of the telescopic rod (15) and the base pipe (13).
4. A roadway support for coal mine pillar opening according to any one of claims 1 to 3, wherein: two groups of symmetrically arranged first waist holes (5) and second waist holes (6) are formed in the reinforcing frame (3), connectors (7) are inserted into the first waist holes (5) and the second waist holes (6), the lower ends of the connectors (7) are fixed with supporting columns (10), and the upper ends of the connectors (7) are fixed on the reinforcing frame (3) through fastening nuts (9).
5. The roadway support for coal mine pillar opening according to claim 4, wherein: the connector (7) is divided into a base and two screws, the two screws are located at the edge of the upper end of the base, and the two screws penetrate through the first waist hole (5) and the second waist hole (6) to be connected with the fastening nut (9).
6. The roadway support for coal mine pillar opening according to claim 5, wherein: two screws of the connector (7) are sleeved with a limiting sheet (8), and the surfaces of the limiting sheets (8) are adhered with anti-slip pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322637827.0U CN221256814U (en) | 2023-09-27 | 2023-09-27 | Tunnel support is used in colliery coal pillar exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322637827.0U CN221256814U (en) | 2023-09-27 | 2023-09-27 | Tunnel support is used in colliery coal pillar exploitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221256814U true CN221256814U (en) | 2024-07-02 |
Family
ID=91630522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322637827.0U Active CN221256814U (en) | 2023-09-27 | 2023-09-27 | Tunnel support is used in colliery coal pillar exploitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221256814U (en) |
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2023
- 2023-09-27 CN CN202322637827.0U patent/CN221256814U/en active Active
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