CN213574129U - Tunnel is reprocessed vault empty yard processing apparatus - Google Patents
Tunnel is reprocessed vault empty yard processing apparatus Download PDFInfo
- Publication number
- CN213574129U CN213574129U CN202022680608.7U CN202022680608U CN213574129U CN 213574129 U CN213574129 U CN 213574129U CN 202022680608 U CN202022680608 U CN 202022680608U CN 213574129 U CN213574129 U CN 213574129U
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- Prior art keywords
- slip casting
- anchor net
- arch
- pipe
- grouting
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- 238000007569 slipcasting Methods 0.000 claims description 45
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000002023 wood Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000004567 concrete Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000011378 shotcrete Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Abstract
A processing device for a vault empty field during tunnel repair comprises arch frames, a first anchor net, a second anchor net, a plurality of supporting plates, a plurality of first grouting pipes and a plurality of second grouting pipes, wherein the first anchor net is positioned at the vault inside a tunnel, the arch frames are installed below the first anchor net, the number of the arch frames is multiple, the plurality of arch frames are uniformly installed below the first anchor net, the second anchor net is installed below the arch frames, the plurality of supporting plates are uniformly fixed below the second anchor net, two first grouting holes are symmetrically formed in two sides of the top of each first grouting pipe, two second grouting holes are respectively formed in the top of one side of each second grouting pipe and the middle of the other side of each second grouting pipe, and the plurality of first grouting pipes and the plurality of second grouting pipes are installed on the first anchor net and the second anchor net; the utility model discloses a having solved general repair measures after, the tunnel vault still has great empty ground, leads to repairing the quality poor, the problem that the safety in production after repairing can not obtain the assurance.
Description
Technical Field
The utility model particularly relates to a mine tunnel supports's technical field, especially relates to a tunnel is reprocessed vault airport processing apparatus.
Background
With the rapid development of economy and the increasing shortage of mineral resources, metal deposit mining gradually turns into deep mining, the influence of ground pressure is increased along with the continuous increase of the mining depth of metal mines, roadway deformation is serious, and roadway repair becomes an essential work in the mining process, but meanwhile, the roadway repair work is also complicated.
The underground tunnel mostly adopts an arc arch section, and when the arch of the tunnel deforms, the arch is difficult to maintain the basic section shape. When carrying out the repair work, generally adopt double-deck shotcrete net and anchor grouting to strut, however this kind of supporting mode has very big potential safety hazard: when the concrete is sprayed to the vault of the roadway, the concrete is not easy to bond in the top dead zone, so that the vault still has a large empty space, the repairing quality is poor, and the safe production after repairing cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a device for processing the empty arch crown field in the tunnel.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the device for treating the empty arch crown during the repair of the tunnel comprises arch frames, a first anchor net, a second anchor net, a plurality of supporting plates, a plurality of first grouting pipes and a plurality of second grouting pipes, wherein the first anchor net is positioned at the arch crown inside the tunnel, an empty cavity is formed between the first anchor net and the arch crown, the arch frames are arranged below the first anchor net, the number of the arch frames is multiple, the plurality of arch frames are uniformly arranged below the first anchor net, equal gaps are formed between every two adjacent arch frames, the second anchor net is arranged below the arch frames, the plurality of supporting plates are uniformly fixed below the second anchor net, two first grouting holes are symmetrically formed in two sides of the top of each first grouting pipe, two second grouting holes are respectively formed in the middle of the top of one side and the other side of each second grouting pipe, the plurality of first grouting pipes and the plurality of second grouting pipes are respectively arranged on the first anchor net and the second anchor net, a plurality of first slip casting pipes and a plurality of second slip casting pipe all are arranged in the clearance between the bow member, and a plurality of first slip casting pipes and some second slip casting pipe are installed on left side and right side of tunnel hunch-ups department by preceding back-to-back in turn, and remaining part second slip casting pipe is even installs in the left side below and the right side below of first slip casting pipe, and the orientation in first slip casting hole is preceding back direction, and the orientation in second slip casting hole is left right direction.
Further, first slip casting pipe and second slip casting pipe are seamless steel pipe, and the length of first slip casting pipe and second slip casting pipe is 1000mm, and the internal diameter of first slip casting pipe and second slip casting pipe is 108mm, first slip casting hole is 250mm with the top distance of first slip casting pipe, the top distance of second slip casting hole and second slip casting pipe is 150mm and 300mm respectively.
Furthermore, the supporting and protecting plates are all made of wood plates, and the specification of the supporting and protecting plates is 3000mm by 250mm by 20 mm.
Further, the arch frame is of a U-shaped frame structure, and the specification of the arch frame is any one of 4.8m 4.4m, 3.8m 3.6m, 5.4m 4.3m or 5.5m 4.3 m.
Furthermore, the connection relationship between the supporting and protecting plate and the second anchor net is detachable connection.
Furthermore, an exhaust pipe is arranged at the top end of the roadway arch top, and the end part of the exhaust pipe extends out of the outer sides of the first anchor net and the second anchor net.
The utility model has the advantages that:
1. the grouting mode in the original tunnel repairing is changed into grouting through the arrangement of the first grouting pipe and the second grouting pipe, so that the empty space of the vault of the tunnel can be effectively treated, the construction difficulty is reduced, and the repairing quality and the supporting quality are improved.
2. The utility model discloses bow member, first anchor net, second anchor net, first slip casting pipe and second slip casting pipe that use are ordinary supporting material to, the supporting plate can reuse, thereby reduced the cost of tunnel repair and strut.
3. Carry out the empty field of tunnel vault that the tunnel was reprocessed and can be adapted to various reasons and cause through the slip casting mode, improved the application scope of this device when in-service use.
Drawings
Fig. 1 is a schematic structural view of a device for processing an empty space of a vault in the course of repairing a roadway, which is provided by the utility model;
fig. 2 is a schematic view of a cross-sectional structure of the device for processing the empty space of the vault during the tunnel repair of the utility model;
fig. 3 is a partial enlarged view of a part a in fig. 1 of the device for treating the empty space of the vault in the course repairing of the tunnel of the utility model;
fig. 4 is a top view of the device for treating empty space of a vault in the course of repairing a roadway;
fig. 5 is the utility model provides a tunnel is reprocessed vault air ground processing apparatus's first slip casting pipe and second slip casting pipe's schematic structure.
In the figure: 1-roadway, 2-arch frame, 3-first anchor net, 4-second anchor net, 5-support guard plate, 6-first grouting pipe, 7-second grouting pipe, 8-empty space cavity and 9-exhaust pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1 to 5, the device for treating the empty arch field of the repaired tunnel, which is installed inside a tunnel 1, includes an arch frame 2, a first anchor net 3, a second anchor net 4, a plurality of supporting plates 5, a plurality of first grouting pipes 6 and a plurality of second grouting pipes 7, wherein the first anchor net 3 is located at the arch field inside the tunnel 1, an empty field cavity 8 is formed between the first anchor net 3 and the arch field, the arch frame 2 is installed below the first anchor net 3, the number of the arch frames 2 is multiple, the plurality of arch frames 2 are uniformly installed below the first anchor net 3, equal gaps are formed between every two adjacent arch frames 2, the arch frame 2 is of a U-shaped frame structure, and the specification of the arch frame 2 is any one of 4.8m 4.4m, 3.8m 3.6m, 5.4m 4.3m or 5.5m 4.3 m; the second anchor net 4 is arranged below the arch frame 2, the supporting plates 5 are uniformly fixed below the second anchor net 4, the supporting plates 5 are all made of wood plates, and the specification of the supporting plates 5 is 3000mm by 250mm by 20 mm; two first grouting holes are symmetrically formed in two sides of the top of each first grouting pipe 6, two second grouting holes are formed in the top of one side and the middle of the other side of each second grouting pipe 7 respectively, each first grouting pipe 6 and each second grouting pipe 7 are seamless steel pipes, the lengths of the first grouting pipe 6 and each second grouting pipe 7 are 1000mm, the inner diameters of the first grouting pipe 6 and each second grouting pipe 7 are 108mm, the distance between a first grouting opening and the top end of the first grouting pipe 6 is 250mm, and the distances between the second grouting holes and the top end of each second grouting pipe 7 are 150mm and 300mm respectively; a plurality of first grouting pipes 6 and a plurality of second grouting pipes 7 are all installed on the first anchor net 3 and the second anchor net 4, the plurality of first grouting pipes 6 and the plurality of second grouting pipes 7 are all located in gaps between the arch frames 2, the plurality of first grouting pipes 6 and a part of the second grouting pipes 7 are alternately installed on the left side and the right side of the arch top of the roadway 1 from front to back, the rest part of the second grouting pipes 7 are evenly installed on the left lower side and the right lower side of the first grouting pipes 6, the orientation of the first grouting holes is the front-back direction, the orientation of the second grouting holes is the left-right direction, the grouting mode in the original repair of the roadway 1 is changed into grouting through the arrangement of the first grouting pipes 6 and the second grouting pipes 7, so that the empty field difficulty of the arch top of the roadway 1 can be effectively treated, the construction difficulty is reduced, the repair quality and the support quality are improved, and the arch frames 2, the first anchor net 3 and the second anchor net 4 are installed on the arch frame, The first grouting pipe 6 and the second grouting pipe 7 are made of common supporting materials, and the supporting and protecting plate 5 can be repeatedly used, so that the repairing and supporting cost of the roadway 1 is reduced, in addition, the repairing of the roadway 1 in a grouting mode can adapt to the empty space of the vault of the roadway 1 caused by various reasons, and the application range of the device in practical use is improved; the connection relationship between the supporting and protecting plate 5 and the second anchor net 4 is detachable connection, and in the actual implementation process, the supporting and protecting plate 5 and the second anchor net 4 can be fixed by using iron wires, so that after the repairing is completed, the supporting and protecting plate 5 can be detached to be used for recycling the supporting and protecting plate 5; the top of the arch top of the roadway 1 is provided with an exhaust pipe 9, the end part of the exhaust pipe 9 extends out of the outer sides of the first anchor net 3 and the second anchor net 4, the exhaust pipe 9 is observed in real time in the grouting process, and when slurry appears in the exhaust pipe 9, the grouting is finished.
The working principle of the embodiment is as follows: when the device is used, firstly, the first anchor net 3 is used for carrying out primary support, and the support parameters in the implementation process are as follows: the anchor rod adopts a phi 18 straight thread anchor rod, the length of the anchor rod is 2.25m, the row spacing is 1m, and the fastening end adopts a rolled straight thread; the net sheet is formed by spot welding round steel with the diameter of 6.5mm, and the mesh degree is 150mm x 150 mm; the backing plate is a steel plate with 200mm by 10 mm; the strength of the sprayed concrete is C20, and the thickness of the first support is 100 mm. And then, carrying out secondary supporting, erecting the arch centering 2 according to the construction standard, erecting a pair of arch centering 2 every other meter, and after the arch centering 2 is erected, using a second anchor net 4 for supporting, wherein the supporting parameters of the second supporting are the same as those of the first supporting, but concrete is not sprayed at the arch top of the roadway 1, so that subsequent grouting is facilitated. Then, installing a supporting and protecting plate 5 below the arch center 2 through an iron wire, wherein the supporting and protecting plate 5 needs to be installed tightly, attaching the supporting and protecting plate 5 close to the side wall of the roadway 1 to the wall of the roadway 1, then laying plastic cloth on the supporting and protecting plate 5, and filling two sides of the supporting and protecting plate 5 attached to the side wall of the roadway 1, so as to prevent slurry leakage during grouting; in addition, a grouting opening is reserved according to a design position when the supporting and protecting plate 5 is installed. After the supporting and protecting plate 5 is installed, the first grouting pipe 6 and the second grouting pipe 7 are installed according to the pre-designed installation of the grouting openings, and then an exhaust pipe 9 is installed at the top of the empty space cavity 8 at the arch crown of the roadway 1; and then, grouting is started through the first grouting pipe 6 and the second grouting pipe 7, and when mortar flows out of the exhaust pipe 9, the grouting is indicated to be full, and grouting should be stopped immediately, so that grouting repair of the roadway 1 is completed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The device for treating the empty arch ground during tunnel repair is arranged in a tunnel (1) and is characterized by comprising arch frames (2), a first anchor net (3), a second anchor net (4), a plurality of supporting plates (5), a plurality of first grouting pipes (6) and a plurality of second grouting pipes (7), wherein the first anchor net (3) is positioned at the arch top in the tunnel (1), an empty ground cavity (8) is formed between the first anchor net (3) and the arch top, the arch frames (2) are arranged below the first anchor net (3), the number of the arch frames (2) is multiple, the plurality of arch frames (2) are uniformly arranged below the first anchor net (3), equal gaps are formed between every two adjacent arch frames (2), the second anchor net (4) is arranged below the arch frames (2), and the plurality of supporting plates (5) are uniformly fixed below the second anchor net (4), every the equal symmetry in top both sides of first slip casting pipe (6) seted up two first injected holes, every the middle part of the top of second slip casting pipe (7) one side and opposite side equally divide and have respectively seted up two second injected holes, a plurality of first slip casting pipes (6) and a plurality of second slip casting pipe (7) are all installed on first anchor net (3) and second anchor net (4), a plurality of first slip casting pipes (6) and a plurality of second slip casting pipe (7) all are located the clearance between bow member (2), a plurality of first slip casting pipes (6) and some second slip casting pipes (7) are installed in left side and right side in tunnel (1) hunch-up department by preceding back in turn, the left side and the right side below at first slip casting pipe (6) are installed to the even of other part second slip casting pipe (7), the orientation in first slip casting hole is the back to the front, the orientation in second slip casting hole is left and right side below.
2. The roadway repair vault airport processing apparatus of claim 1, wherein: first slip casting pipe (6) and second slip casting pipe (7) are seamless steel pipe, and the length of first slip casting pipe (6) and second slip casting pipe (7) is 1000mm, and the internal diameter of first slip casting pipe (6) and second slip casting pipe (7) is 108mm, the top distance of first slip casting hole and first slip casting pipe (6) is 250mm, the top distance of second slip casting hole and second slip casting pipe (7) is 150mm and 300mm respectively.
3. The roadway repair vault airport processing apparatus of claim 1, wherein: the supporting and protecting plates (5) are all made of wood plates, and the specification of the supporting and protecting plates (5) is 3000mm by 250mm by 20 mm.
4. The roadway repair vault airport processing apparatus of claim 1, wherein: the arch (2) is of a U-shaped frame structure, and the specification of the arch (2) is any one of 4.8m 4.4m, 3.8m 3.6m, 5.4m 4.3m or 5.5m 4.3 m.
5. The roadway repair vault airport processing apparatus of claim 1, wherein: the connection relationship between the supporting and protecting plate (5) and the second anchor net (4) is detachable connection.
6. The roadway repair vault airport processing apparatus of claim 1, wherein: the top of the arch top of the roadway (1) is provided with an exhaust pipe (9), and the end part of the exhaust pipe (9) extends out of the outer sides of the first anchor net (3) and the second anchor net (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022680608.7U CN213574129U (en) | 2020-11-19 | 2020-11-19 | Tunnel is reprocessed vault empty yard processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022680608.7U CN213574129U (en) | 2020-11-19 | 2020-11-19 | Tunnel is reprocessed vault empty yard processing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213574129U true CN213574129U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022680608.7U Active CN213574129U (en) | 2020-11-19 | 2020-11-19 | Tunnel is reprocessed vault empty yard processing apparatus |
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| Country | Link |
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| CN (1) | CN213574129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116357353A (en) * | 2023-05-30 | 2023-06-30 | 中国矿业大学(北京) | High-strength control system for crossing roadway and construction method |
-
2020
- 2020-11-19 CN CN202022680608.7U patent/CN213574129U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116357353A (en) * | 2023-05-30 | 2023-06-30 | 中国矿业大学(北京) | High-strength control system for crossing roadway and construction method |
| CN116357353B (en) * | 2023-05-30 | 2023-07-28 | 中国矿业大学(北京) | High-strength control system for crossing roadway and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240221 Address after: 737100 No. 2 Lanzhou Road, Beijing Road Street, Jinchuan District, Jinchang City, Gansu Province Patentee after: Jinchuan Group Nickel Cobalt Co.,Ltd. Country or region after: China Address before: 737100 Beijing Road, Jinchang City, Gansu Province Patentee before: JINCHUAN GROUP Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |