CN204783071U - Lane group stays lane with keeping off body structure - Google Patents
Lane group stays lane with keeping off body structure Download PDFInfo
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- CN204783071U CN204783071U CN201520355627.9U CN201520355627U CN204783071U CN 204783071 U CN204783071 U CN 204783071U CN 201520355627 U CN201520355627 U CN 201520355627U CN 204783071 U CN204783071 U CN 204783071U
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- induration
- lane
- barrier configuration
- bangliu
- xiang
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Abstract
The utility model discloses a keep off the body structure, especially disclose a lane group stays lane with keeping off body structure, belong to coal mining construction process technical field. The utility model provides a simple structure, reform transform construction convenience, lane group stays lane with keeping off body structure that construction cost is cheap. The fender body structure including stabilizing rack and induration, the rack of stabilizing inlay the outside of induration.
Description
Technical field
The utility model relates to a kind of barrier configuration, especially relates to a kind of Xiang Bangliu lane barrier configuration, belongs to coal mining construction technology technical field.
Background technology
In large-inclination-angle coal bed recovery process, along seam inclination direction, by certain absolute altitude, coal seam is divided into multiple level; In horizontal extent, be divided into several exploiting fields along bearing; Along inclined direction coal seam is divided into multiple section in exploiting field, each section forms 2 exploitation work planes and both wings, for ensureing to carry out safe and effective exploitation to the coal seam of each work plane, and meeting ventilation, pedestrian, haul, fortune coal, draining needs, work plane must arrange two lanes and return airway and transportation roadway and open-off cut.According to position and the function in tunnel, work plane is mainly used in return air, the tunnel of haul is referred to as return airway and namely goes up crossheading, the tunnel entered phoenix and transport coal is referred to as transportation roadway and namely descends crossheading.But; at the upper and lower section of same coal seam two working face minings; above-described four tunnels must be arranged; namely each work plane need to arrange up and down each one amount to two tunnels and can exploit; and retain rational segment protection coal column; not only like this, waste coal resources, but also increase tunnelling engineering amount.So how the transportation roadway after a upper working face extraction to be remained by staying lane technology, the return airway as next work plane just becomes a technical barrier in coal mining.
Utility model content
Technical problem to be solved in the utility model is: provide that a kind of structure is simple, rebuilding construction is convenient, the Xiang Bangliu lane barrier configuration that construction cost is cheap.
For solving the problems of the technologies described above adopted technical scheme be: a kind of Xiang Bangliu lane barrier configuration, described barrier configuration comprises stable rack and induration, and described stable rack is embedded in the outside of described induration.
The beneficial effects of the utility model are: arrange one group of stable rack moving towards along tunnel to extend by side on tunnel, and then stop goaf top plate with described stable rack and emit the broken spoil fallen, and the roof collapse spoil of this partial crushing is become by pouring into mortar consolidation the induration that tunnel is helped, and described stable rack is inlaid into the outside of described induration in the consolidation process of described induration, form impact resilience strong, constitutionally stable Xiang Bangliu lane barrier configuration, reach a return airway upper headentry road being successfully retained as next work plane.Like this, both solved in prior art and how by after working face mining, transportation roadway to have been remained, and be transformed into the technical barrier of the return airway of next work plane; Can change again in prior art, the situation of two working excavations all must be preset in advance when adjacent two work planes are exploited continuously, thus make to preset except two working excavations in advance except needing during uppermost first job face exploitation, all can because of the transportation roadway that effectively make use of a upper work plane during each working face mining later, and only need a default working excavation, and then effectively reduce cost of production.Because the barrier configuration described in the application is by means of only prior pre-determined stability rack, when helping on the broken complete tunnel of gangue refill of roof collapse, by pouring into mortar consolidation, rebuilding construction side but, construction cost is cheap, and barrier configuration is simple, strong adaptability, is widely used.
Be further, described stable rack comprises support column, wire rope, Bracket for steel bar, wire lath and anchor pole, in the top board that described anchor pole across pitch squeezes into tunnel respectively and base plate, described wire rope was compiled into the cross one another two W types supporting described wire lath in the horizontal direction by described anchor pole and supports rack before described top board and described base plate, the upper end of described wire lath is fixed on described top board by described Bracket for steel bar and described anchor pole, the lower end of described wire lath is fixed on described base plate by described anchor pole, described support column moves towards between the top board that is arranged in outside described wire rope and base plate along tunnel, form the outside being mounted to described induration in the process that the support column of described stable rack, wire rope, Bracket for steel bar, wire lath and anchor pole solidify at described induration.
The preferred embodiment of such scheme is, described support column comprises hydraulic single prop and wooden damper leg, described hydraulic single prop and described wooden damper leg move towards along tunnel, in the induration being embedded in outside described wire rope that the ratio of 2:1 is spaced.
Further, the lower end of the hydraulic single prop described in each root is also furnished with cleat footwear.
Further, described induration is the spoil grouting body that the broken spoil of goaf top plate inbreak is formed by grouting.
The preferred embodiment of such scheme is, not little 1000 ㎜ of thickness of described spoil grouting body.
Further, also sprayed one deck seal sand slurry layer in the outside of described spoil grouting body, described stable rack is positioned at the inner side of described seal sand slurry layer.
Further, not low 30 ㎜ of the thickness of described seal sand slurry layer.
Accompanying drawing explanation
Fig. 1 is the transverse sectional view of the utility model Xiang Bangliu lane barrier configuration;
Fig. 2 is the A-A sectional view of Fig. 1.
Be labeled as in figure: stablize rack 1, induration 2, support column 3, Bracket for steel bar 4, wire lath 5, anchor pole 6, top board 7, base plate 8, hydraulic single prop 9, wooden damper leg 10, seal sand slurry layer 11.
Detailed description of the invention
That a kind of structure that the utility model provides is simple, rebuilding construction convenient, the Xiang Bangliu lane barrier configuration that construction cost is cheap as shown in Figure 1 and Figure 2.Described barrier configuration comprises stable rack 1 and induration 2, and described stable rack 1 is embedded in the outside of described induration 2.By side on tunnel, one group of stable rack 1 moving towards along tunnel to extend is set, and then stop goaf top plate with described stable rack 1 and emit the broken spoil fallen, and the roof collapse spoil of this partial crushing is become by pouring into mortar consolidation the induration 2 that tunnel is helped, and described stable rack 1 is inlaid into the outside of described induration 2 in the consolidation process of described induration 2, form impact resilience strong, constitutionally stable Xiang Bangliu lane barrier configuration, reach the return airway haulage drift of a upper work plane being successfully retained as next work plane.Like this, both solved in prior art and how the transportation roadway after working face mining had been remained, and be transformed into the technical barrier of the return airway of next work plane; Can change again in prior art, the situation of two working excavations all must be preset in advance when adjacent two work planes are exploited continuously, thus make to preset except two working excavations in advance except needing during uppermost first job face exploitation, all can because of the transportation roadway that effectively make use of a upper work plane during each working face mining later, and only need a default working excavation, and then effectively reduce cost of production.Because the barrier configuration described in the application is by means of only prior pre-determined stability rack 1, when helping on the broken complete tunnel of gangue refill of roof collapse, by pouring into mortar consolidation, rebuilding construction side but, construction cost is cheap, and barrier configuration is simple, strong adaptability, is widely used.
In above-mentioned embodiment, in order to reduce cost of production, reducing freight, described induration 2 being set to the spoil grouting body that the broken spoil of goaf top plate inbreak is formed by grouting.And in order to ensure that described spoil grouting body is when postorder a large amount of inbreak top board spoil fills goaf, can not by impact damage, not little 1000 ㎜ of thickness of described spoil grouting body.
And in order to ensure that the broken spoil of roof collapse is not before having non-cement-grouting consolidation, can effectively be blocked by described stable rack 1 and lane packing can not be filled closed, described stable rack 1 comprises support column 3, wire rope 4, Bracket for steel bar 5, wire lath 6 and anchor pole 6, in the top board 7 that described anchor pole 6 across pitch squeezes into tunnel respectively and base plate 8; Described wire rope 4 by described anchor pole 6, is compiled into the cross one another two W types supporting described wire lath 6 in the horizontal direction and supports rack before described top board 7 and described base plate 8; The upper end of described wire lath 6 is fixed on described top board 7 by described Bracket for steel bar 5 and described anchor pole 6, the lower end of described wire lath 6 is fixed on described base plate 8 by described anchor pole 6, and described support column 3 moves towards between the top board 7 that is arranged in outside described wire rope 4 and base plate 8 along tunnel; Form the outside being mounted to described induration 2 in the process that the support column 3 of described stable rack 1, wire rope 4, Bracket for steel bar 5, wire lath 6 and anchor pole 6 solidify at described induration.And in order to when cushioning inbreak fast under the broken spoil that rolls to the impact of wire lath 5, wire rope 4 and support column 3, described support column 3 is set to the structure comprising hydraulic single prop 9 and wooden damper leg 10, and make described hydraulic single prop 9 and described wooden damper leg 10 along tunnel trend, in the induration 2 being embedded in outside described wire rope 4 that the ratio of 2:1 is spaced.Further, in order to ensure the two ends of the hydraulic single prop 9 of metal construction, especially the reliability of apical grafting between lower end and hard base plate, the lower end of the hydraulic single prop 9 described in each root is also furnished with cleat footwear, and described cleat footwear are set to wooden structures.
Simultaneously, in order to ensure that improved return airway is in the work of postorder, meets back requirement, avoid occurring a large amount of leakage phenomenons, also sprayed one deck seal sand slurry layer 11 in the outside of described spoil grouting body, described stable rack 10 is positioned at the inner side of described seal sand slurry layer 11.And the thickness of preferred described seal sand slurry layer 11 is not low 30 ㎜.
Claims (7)
1. a Zhong Xiangbangliu lane barrier configuration, described barrier configuration comprises stable rack (1) and induration (2), described stable rack (1) is embedded in the outside of described induration (2), it is characterized in that: described stable rack (1) comprises support column (3), wire rope (4), Bracket for steel bar (5), wire lath (6) and anchor pole (6), in the top board (7) that described anchor pole (6) across pitch squeezes into tunnel respectively and base plate (8); Described wire rope (4) by described anchor pole (6), is compiled into the cross one another two W types supporting described wire lath (6) in the horizontal direction and supports rack before described top board (7) and described base plate (8); The upper end of described wire lath (6) is fixed on described top board (7) by described Bracket for steel bar (5) and described anchor pole (6), the lower end of described wire lath (6) is fixed on described base plate (8) by described anchor pole (6), between the top board (7) that described support column (3) is arranged in described wire rope (4) outside along tunnel trend and base plate (8); Form the outside being mounted to described induration (2) in the process that the support column (3) of described stable rack (1), wire rope (4), Bracket for steel bar (5), wire lath (6) and anchor pole (6) solidify at described induration.
2. Xiang Bangliu lane according to claim 1 barrier configuration, it is characterized in that: described support column (3) comprises hydraulic single prop (9) and wooden damper leg (10), described hydraulic single prop (9) and described wooden damper leg (10) move towards along tunnel, in the induration (2) being embedded in described wire rope (4) outside that the ratio of 2:1 is spaced.
3. Xiang Bangliu lane according to claim 2 barrier configuration, is characterized in that: the lower end of the hydraulic single prop (9) described in each root is also furnished with cleat footwear.
4. the Xiang Bangliu lane barrier configuration according to claim 1,2 or 3, is characterized in that: the spoil grouting body that described induration (2) is formed by grouting for the broken spoil of goaf top plate inbreak.
5. Xiang Bangliu lane according to claim 4 barrier configuration, is characterized in that: not little 1000 ㎜ of thickness of described spoil grouting body.
6. Xiang Bangliu lane according to claim 4 barrier configuration, it is characterized in that: also sprayed one deck seal sand slurry layer (11) in the outside of described spoil grouting body, described stable rack (1) is positioned at the inner side of described seal sand slurry layer (11).
7. Xiang Bangliu lane according to claim 6 barrier configuration, is characterized in that: not low 30 ㎜ of thickness of described seal sand slurry layer (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520355627.9U CN204783071U (en) | 2015-05-28 | 2015-05-28 | Lane group stays lane with keeping off body structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520355627.9U CN204783071U (en) | 2015-05-28 | 2015-05-28 | Lane group stays lane with keeping off body structure |
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| Publication Number | Publication Date |
|---|---|
| CN204783071U true CN204783071U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520355627.9U Expired - Fee Related CN204783071U (en) | 2015-05-28 | 2015-05-28 | Lane group stays lane with keeping off body structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273699A (en) * | 2019-07-10 | 2019-09-24 | 重庆大学 | High-dipping resists soft ground coal layer stubbornly and stays coal column gob side entry retaining surrounding rock stability method for protecting support |
-
2015
- 2015-05-28 CN CN201520355627.9U patent/CN204783071U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273699A (en) * | 2019-07-10 | 2019-09-24 | 重庆大学 | High-dipping resists soft ground coal layer stubbornly and stays coal column gob side entry retaining surrounding rock stability method for protecting support |
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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 |
Granted publication date: 20151118 Termination date: 20180528 |
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| CF01 | Termination of patent right due to non-payment of annual fee |