CN205172609U - Asymmetric supporting device in tunnel - Google Patents
Asymmetric supporting device in tunnel Download PDFInfo
- Publication number
- CN205172609U CN205172609U CN201521033182.9U CN201521033182U CN205172609U CN 205172609 U CN205172609 U CN 205172609U CN 201521033182 U CN201521033182 U CN 201521033182U CN 205172609 U CN205172609 U CN 205172609U
- Authority
- CN
- China
- Prior art keywords
- concrete
- anchor cable
- tunnel
- convex
- supporting plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model provides an asymmetric supporting device in tunnel, it is including strutting the steel mesh, the roof anchor rope, the roof stock, help the anchor rope partially, help the stock partially, the head is kept off to the anchor rope convex, the head is kept off to the stock convex, the layer board, inclined to one side backup pad, concrete fastening layer, wall and reversal interlocking relay hook are consolidated to the concrete, strut the steel mesh and filled the concrete partially between the backup pad and consolidated the wall, the head is kept off to the stock convex and the setting is all fixed in concrete fastening layer or concrete reinforcement wall to anchor rope convex fender head, be provided with a plurality of reversal interlocking relay hooks that set up side by side on the layer board, and the reversal interlocking relay hook sets up towards concrete fastening in situ. The utility model discloses a set up the concrete mount to set up reverse drag hook, can make stock, anchor rope combine into a whole with supporting device and lane group are effectual, very big improvement the asymmetric effect of strutting in tunnel, simultaneously, has set up the convex and has kept off the head, can improve the fastening effect of stock and anchor rope, prevented that stock and anchor rope from strutting the condition such as becoming flexible of causing for a long time.
Description
Technical field
The utility model relates to a kind of asymmetric suspension device, is specially the asymmetric suspension device in a kind of tunnel, belongs to Coal Mining Technology field.
Background technology
Mining technology is the effective way realizing mine high-yield and high-efficiency, in order to improve coal recovery rate, reduces the waste of resource, and gob side entry driving technology is applied in more and more mining area in longwall top coal caving.Gob side entry driving be along stable edge, goaf or and goaf between stay and establish fender to arrange tunnel, when this tunnelling, the rock stratum activity of adjacent goaf is relatively stable, the stope stress that the upper working face extraction phase causes also tends towards stability, now, in stress relaxed area, adopt gob side entry driving technology, be conducive to roadway maintenance.Effective enforcement of gob side entry driving technology, improves drivage efficiency and coal recovery rate, and can reduce stope drift active workings supporting and maintenance cost.But deeply increase year by year along with many mines are in recent years adopted, heavily stressed, soft rock and stress field more sophisticated, particularly there is the region of complicated structure stress, support issues is particularly outstanding, the gob side entry driving supporting being in complex stress district also difficulty further.And along with the development of asymmetric support technology, asymmetric supporting has extremely important effect in roadway support, but, although current asymmetric supporting and protection structure is simple, but the limited efficiency of asymmetric supporting, especially for soft rock and stress field complicated situation, general asymmetric supporting is easy to occur loosening wait danger, threatens the safety of mining.
For solving above technical problem, the utility model provides the asymmetric suspension device in a kind of tunnel, it is by arranging concrete fixed mount, and Reversal retractor is set, anchor pole, anchor cable can be made suspension device and lane to be helped effectively to be combined into an entirety, greatly improve the asymmetric supporting effect in tunnel, simultaneously, be provided with convex stopper, the fastening effect of anchor pole and anchor cable can be improved, prevent anchor pole and the long-time supporting of anchor cable to cause loosen etc. situation.
Summary of the invention
For above-mentioned situation, for solving the defect of prior art, the object of the utility model just there is provided the asymmetric suspension device in a kind of tunnel, it comprises supporting steel mesh, top board anchor cable, roofbolt, inclined side anchor cable, inclined side anchor pole, anchor cable convex stopper, anchor pole convex stopper, supporting plate, inclined gripper shoe, concrete fastened layer, concrete strengthening wall and reversal interlocking relay hook, it is characterized in that, described supporting steel mesh is that an overall lithosphere being close to tunnel is fixed, described top board anchor cable and roofbolt are arranged through anchoring after the boring at top, tunnel, described inclined side anchor cable, inclined side anchor pole is arranged through anchoring after the boring in portion of side, tunnel, the outer end of described top board anchor cable and partially side anchor cable is connected with anchor cable convex stopper, the outer end of described roofbolt and partially side anchor pole is connected with anchor pole convex stopper, the outside of described supporting steel mesh is provided with supporting plate and inclined gripper shoe, and the two end supports of described supporting plate is arranged on above described inclined gripper shoe, concrete fastened layer is filled with between described supporting steel mesh and described supporting plate, concrete strengthening wall is filled with between described supporting steel mesh and described inclined gripper shoe, described anchor pole convex stopper and anchor cable convex stopper are all fixedly installed on described concrete fastened layer or concrete strengthening within the walls, described supporting plate is provided with multiple reversal interlocking relay hook be arranged side by side, and described reversal interlocking relay hook is arranged in described concrete fastened layer.
Further, as preferably, described reversal interlocking relay hook comprises curved portions and line part, and wherein, the concave surface of described curved portions and the upper end of described line part are welded and fixed, and the lower end welding of described line part is arranged on the upper surface of described supporting plate.
Further, as preferably, the two ends of the soffit of described supporting plate are provided with convex dop, and described convex dop is connected with the upper end snap-fit of described inclined gripper shoe.
Further, as preferably, described roofbolt and partially side anchor pole are twisted steel anchor rod, and anchorage length is not less than 1100mm, and diameter is not less than 20mm.
Further, as preferably, the length of described top board anchor cable and partially side anchor cable is at least 5m, and diameter is at least 10mm.
The beneficial effects of the utility model:
The asymmetric suspension device in a kind of tunnel that the utility model provides, it is by arranging concrete fixed mount, and Reversal retractor is set, anchor pole, anchor cable can be made suspension device and lane to be helped effectively to be combined into an entirety, greatly improve the asymmetric supporting effect in tunnel, meanwhile, be provided with convex stopper, the fastening effect of anchor pole and anchor cable can be improved, prevent anchor pole and the long-time supporting of anchor cable to cause loosen etc. situation.
Accompanying drawing explanation
The asymmetric suspension device structural representation in a kind of tunnel that Fig. 1 provides for the utility model;
The structural representation of the supporting plate of the asymmetric suspension device in a kind of tunnel that Fig. 2 provides for the utility model;
Wherein, 1, top board anchor cable, 2, roofbolt, 3, partially anchor cable is helped, 4, partially help anchor pole, 5, anchor cable convex stopper, 6, anchor pole convex stopper, 7, supporting plate, 8, partially gripper shoe, 9, concrete fastened layer, 10, concrete strengthening wall, 11, reversal interlocking relay hook, 12, curved portions, 13, line part, 14, convex dop, 15, supporting steel mesh.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1-2, the utility model provides the asymmetric suspension device in a kind of tunnel, it comprises supporting steel mesh 15, top board anchor cable 1, roofbolt 2, inclined side anchor cable 3, inclined side anchor pole 4, anchor cable convex stopper 5, anchor pole convex stopper 6, supporting plate 7, inclined gripper shoe 8, concrete fastened layer 9, concrete strengthening wall 10 and reversal interlocking relay hook 11, it is characterized in that, described supporting steel mesh 15 is fixed in an overall lithosphere being close to tunnel, described top board anchor cable 1 and roofbolt 2 are arranged through anchoring after the boring at top, tunnel, described inclined side anchor cable 3, inclined side anchor pole 4 is arranged through anchoring after the boring in portion of side, tunnel, the outer end of described top board anchor cable 1 and partially side anchor cable 3 is connected with anchor cable convex stopper 5, the outer end of described roofbolt 2 and partially side anchor pole 4 is connected with anchor pole convex stopper 6, the outside of described supporting steel mesh 15 is provided with supporting plate and inclined gripper shoe, and the two end supports of described supporting plate 7 is arranged on above described inclined gripper shoe 8, concrete fastened layer 9 is filled with between described supporting steel mesh 15 and described supporting plate 7, concrete strengthening wall 10 is filled with between described supporting steel mesh 15 and described inclined gripper shoe 8, described anchor pole convex stopper 6 and anchor cable convex stopper 5 are all fixedly installed in described concrete fastened layer 9 or concrete strengthening wall 10, described supporting plate 7 is provided with multiple reversal interlocking relay hook 11 be arranged side by side, and described reversal interlocking relay hook 11 is arranged in described concrete fastened layer 9.
In the present embodiment, described reversal interlocking relay hook 11 comprises curved portions 12 and line part 13, and wherein, the concave surface of described curved portions 12 and the upper end of described line part 13 are welded and fixed, and the lower end welding of described line part 13 is arranged on the upper surface of described supporting plate 7.The two ends of the soffit of described supporting plate 7 are provided with convex dop 14, and described convex dop 14 is connected with the upper end snap-fit of described inclined gripper shoe 8.Described roofbolt 2 and partially side anchor pole 4 are twisted steel anchor rod, and anchorage length is not less than 1100mm, and diameter is not less than 20mm.The length of described top board anchor cable and partially side anchor cable is at least 5m, and diameter is at least 10mm.
The utility model is by arranging concrete fixed mount, and Reversal retractor is set, anchor pole, anchor cable can be made suspension device and lane to be helped effectively to be combined into an entirety, greatly improve the asymmetric supporting effect in tunnel, simultaneously, be provided with convex stopper, the fastening effect of anchor pole and anchor cable can be improved, prevent anchor pole and the long-time supporting of anchor cable to cause loosen etc. situation.
Claims (5)
1. the asymmetric suspension device in tunnel, it comprises supporting steel mesh, top board anchor cable, roofbolt, inclined side anchor cable, inclined side anchor pole, anchor cable convex stopper, anchor pole convex stopper, supporting plate, inclined gripper shoe, concrete fastened layer, concrete strengthening wall and reversal interlocking relay hook, it is characterized in that, described supporting steel mesh is that an overall lithosphere being close to tunnel is fixed, described top board anchor cable and roofbolt are arranged through anchoring after the boring at top, tunnel, described inclined side anchor cable, inclined side anchor pole is arranged through anchoring after the boring in portion of side, tunnel, the outer end of described top board anchor cable and partially side anchor cable is connected with anchor cable convex stopper, the outer end of described roofbolt and partially side anchor pole is connected with anchor pole convex stopper, the outside of described supporting steel mesh is provided with supporting plate and inclined gripper shoe, and the two end supports of described supporting plate is arranged on above described inclined gripper shoe, concrete fastened layer is filled with between described supporting steel mesh and described supporting plate, concrete strengthening wall is filled with between described supporting steel mesh and described inclined gripper shoe, described anchor pole convex stopper and anchor cable convex stopper are all fixedly installed on described concrete fastened layer or concrete strengthening within the walls, described supporting plate is provided with multiple reversal interlocking relay hook be arranged side by side, and described reversal interlocking relay hook is arranged in described concrete fastened layer.
2. the asymmetric suspension device in a kind of tunnel according to claim 1, it is characterized in that, described reversal interlocking relay hook comprises curved portions and line part, wherein, the concave surface of described curved portions and the upper end of described line part are welded and fixed, and the lower end welding of described line part is arranged on the upper surface of described supporting plate.
3. the asymmetric suspension device in a kind of tunnel according to claim 1, is characterized in that, the two ends of the soffit of described supporting plate are provided with convex dop, and described convex dop is connected with the upper end snap-fit of described inclined gripper shoe.
4. the asymmetric suspension device in a kind of tunnel according to claim 1, is characterized in that, described roofbolt and partially side anchor pole are twisted steel anchor rod, and anchorage length is not less than 1100mm, and diameter is not less than 20mm.
5. the asymmetric suspension device in a kind of tunnel according to claim 1-4 any one, is characterized in that, the length of described top board anchor cable and partially side anchor cable is at least 5m, and diameter is at least 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033182.9U CN205172609U (en) | 2015-12-10 | 2015-12-10 | Asymmetric supporting device in tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033182.9U CN205172609U (en) | 2015-12-10 | 2015-12-10 | Asymmetric supporting device in tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205172609U true CN205172609U (en) | 2016-04-20 |
Family
ID=55736612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521033182.9U Expired - Fee Related CN205172609U (en) | 2015-12-10 | 2015-12-10 | Asymmetric supporting device in tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205172609U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547647A (en) * | 2018-06-22 | 2018-09-18 | 四川大学 | A kind of underground chamber high strength support structure |
| CN108915741A (en) * | 2018-06-22 | 2018-11-30 | 华北科技学院 | A kind of empty coal roadway support device in big cross section edge |
| CN110107325A (en) * | 2019-04-29 | 2019-08-09 | 华北科技学院 | A kind of asymmetric roof Bolts Beam Support Structure of gob side entry top plate |
| CN110424989A (en) * | 2019-08-09 | 2019-11-08 | 中铁第六勘察设计院集团有限公司 | The first branch supporting construction of hard rock area super-span underground engineering and its construction method |
| CN110469342A (en) * | 2019-09-11 | 2019-11-19 | 华北科技学院 | A kind of gob side entry based on flexible in conjunction with rigid phase is asymmetric to cooperate with suspension device |
-
2015
- 2015-12-10 CN CN201521033182.9U patent/CN205172609U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547647A (en) * | 2018-06-22 | 2018-09-18 | 四川大学 | A kind of underground chamber high strength support structure |
| CN108915741A (en) * | 2018-06-22 | 2018-11-30 | 华北科技学院 | A kind of empty coal roadway support device in big cross section edge |
| CN108915741B (en) * | 2018-06-22 | 2019-10-08 | 华北科技学院 | A kind of empty coal roadway support device in big cross section edge |
| CN108547647B (en) * | 2018-06-22 | 2024-05-10 | 四川大学 | High-strength supporting structure for underground cavern |
| CN110107325A (en) * | 2019-04-29 | 2019-08-09 | 华北科技学院 | A kind of asymmetric roof Bolts Beam Support Structure of gob side entry top plate |
| CN110107325B (en) * | 2019-04-29 | 2020-08-18 | 华北科技学院 | Asymmetric anchor beam supporting construction of gob side entry roof |
| CN110424989A (en) * | 2019-08-09 | 2019-11-08 | 中铁第六勘察设计院集团有限公司 | The first branch supporting construction of hard rock area super-span underground engineering and its construction method |
| CN110424989B (en) * | 2019-08-09 | 2024-02-09 | 中铁第六勘察设计院集团有限公司 | Primary support structure of ultra-large span underground engineering in hard rock area and construction method thereof |
| CN110469342A (en) * | 2019-09-11 | 2019-11-19 | 华北科技学院 | A kind of gob side entry based on flexible in conjunction with rigid phase is asymmetric to cooperate with suspension device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205172609U (en) | Asymmetric supporting device in tunnel | |
| CN101761338B (en) | Gob-side entry retaining method of a solid filling coal mining half-section one-leg shed | |
| CN103233751B (en) | Double-layer anchoring and balancing arch supporting system for coal roadway with extremely-weak top plates | |
| CN103147793B (en) | Girdle roadside packing non chain pillar entryprotection method | |
| CN101514633B (en) | Non-roadside supporting gob-side entry retaining process | |
| CN201232558Y (en) | Fully-mechanized mining cutting hole full-section anchored net support | |
| CN102661169B (en) | Gob-side entry retaining method for anchor bolt network gangue bag wall body for coal mining without pillars | |
| CN205117366U (en) | Supporting device is encircleed to two pressure -bearings of big soft broken coal road of section | |
| CN104061001B (en) | Gob side entry retaining exploitation support process method | |
| CN102383857A (en) | Gob-side entry retaining process for solid-filling, coal-mining and laying gangue wall | |
| CN108049896B (en) | A kind of fully mechanized coal face gob-side entry retaining method | |
| CN103758529A (en) | Coal mine gob-side entry retaining side supporting method | |
| CN104074534B (en) | A kind of combining adopts/the gob-side entry retaining method of fully mechanized coal face | |
| CN206000543U (en) | A kind of supporting construction protecting lane for gob side entry retaining | |
| CN104533483A (en) | Roadway total-space prestress truss, anchor cable and anchor rod coordinated supporting method | |
| CN106121676A (en) | A kind of supporting construction and method for protecting support thereof protecting lane for gob side entry retaining | |
| CN205277446U (en) | Colliery collecting space area roadway support device | |
| CN201288586Y (en) | Structure for preventing slipping of filled wall body along spatially keeping lane | |
| CN210948737U (en) | Efficient and rapid tunneling roadway support facility for inclined small-section half-coal-rock roadway with thin coal seam | |
| CN105298521A (en) | Asymmetric supporting device for soft-rock gob-side roadway | |
| CN102425428A (en) | Method for controlling extreme broken roof in roadway head | |
| CN205047239U (en) | Top of roadway board control system under mat | |
| CN208122871U (en) | A kind of anti-wall caving retaining wall suspension device in comprehensive pick face | |
| CN204253079U (en) | A kind of anchor plate for mining | |
| CN102425417A (en) | Anchor cable and rough wall combined method for gob-side entry retaining stage under collapsible roof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20161210 |