CN204002872U - Top board temporary lining and anti-wall caving holder device - Google Patents
Top board temporary lining and anti-wall caving holder device Download PDFInfo
- Publication number
- CN204002872U CN204002872U CN201420283582.4U CN201420283582U CN204002872U CN 204002872 U CN204002872 U CN 204002872U CN 201420283582 U CN201420283582 U CN 201420283582U CN 204002872 U CN204002872 U CN 204002872U
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- Prior art keywords
- steel pipe
- supporting steel
- net sheet
- fixed
- wall caving
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Abstract
The utility model provides a kind of top board temporary lining and anti-wall caving holder device, on the general rectangular anchor pole that is fixed on top, tunnel of four fixed pull rings (1), two supporting steel pipes (2) respectively through two fixed pull rings (1), every supporting steel pipe (2) is welded with a hook (5), on supporting steel pipe (2), there is fixing hole (7), a slice net sheet (6) is fixed between two supporting steel pipes (2), separately there is hanging on hook (5) of a net sheet (6), one end of strut (4) is connected with fixing hole (7), the other end is through the net sheet (6) on vertical direction and insert the end face along tunneling direction.The undesirable problem of safe effect that the utility model has solved traditional temporary lining and anti-wall caving measure, has realized the provisional protection to the end face of meeting head on along tunneling direction, has improved safety factor; In addition, this apparatus structure simple, be easy to transportation, installation and removal is convenient, has also improved operating efficiency.
Description
Technical field
The utility model relates to coal mine down-hole tunnel temporary support device, specifically a kind of top board temporary lining and anti-wall caving holder device.
Background technology
Roadway Roof management is all the most important thing of safety in production all the time, and wherein the anti-wall caving management in roof control is again difficult point and the weak link in roof control.The management of temporary lining in the past and anti-wall caving as meet head on to set a back of the body side point post, the leading drilling depth of the section first half keep rib vertical, meet head on to hang anti-wall caving netting etc., although can play certain anti-wall caving effect, but have a lot of drawbacks, safe condition can not be guaranteed; In addition, more existing temporary support devices often all lack along the meet head on protection of end face of tunneling direction, and some can be to the tunneling direction device complex structure that end face protects of meeting head on, and the process of installation and removal is more loaded down with trivial details, personnel's activity duration under the condition without anti-wall caving supporting is longer, thereby can not make operating personnel obtain security protection timely, and the efficiency security threat that has also reduced operation is larger, be unfavorable for safety in production, also reduced operating efficiency.
Summary of the invention
The problem existing for above-mentioned prior art, the utility model provides a kind of top board temporary lining and anti-wall caving holder device, solve the undesirable problem of safe effect of traditional temporary lining and anti-wall caving measure, simultaneously, the provisional protection of realization to the end face of meeting head on along tunneling direction, further improves the safety factor in tunneling process; In addition, this protective device structure is simple, be easy to transportation, installation and removal is convenient, reduces the working time of operating personnel under the condition without anti-wall caving supporting, thereby increases work efficiency.
To achieve these goals, the utility model provides a kind of top board temporary lining and anti-wall caving holder device, comprise fixed pull ring, supporting steel pipe, hook, net sheet, strut, the quantity of described fixed pull ring is four, on the general rectangular anchor pole that is fixed on top, tunnel of these four fixed pull rings, described supporting steel pipe quantity is two, the left end of every supporting steel pipe is through two fixed pull rings along tunneling direction, right-hand member at every supporting steel pipe is welded with a hook, position near hook on described supporting steel pipe is drilled with fixing hole, the quantity of described net sheet is at least two, a slice net sheet is fixed between two supporting steel pipes at top, tunnel, there is in addition the upper end of a slice net sheet to hang over along on the hook on two supporting steel pipes of tunneling direction, the lower end of this net sheet hangs to the end face along tunneling direction, one end of described strut is connected with the fixing hole on described supporting steel pipe, the other end is through the net sheet on vertical direction and insert the end face along tunneling direction.
Further, also comprise the mobile inserted block that can be enclosed within on described supporting steel pipe, outwardly directed galianconism is arranged at bottom, described mobile inserted block one end, and described mobile inserted block adopts 2.5 cun of steel pipe cuts to form, and its length is 100mm; The left end of the net sheet between two supporting steel pipes at top, tunnel fixes by mobile inserted block, and the right-hand member of this net sheet props up the end face of meeting head on, and between these net sheet two ends, by iron wire, is fixed on supporting steel pipe.
Further, there is the bolt of perpendicular welding one end of described strut and can be screwed in the nut on this bolt, and the bolt length on this strut is greater than the diameter and the thickness sum that is screwed in the nut on this bolt of supporting steel pipe.
Further, on every supporting steel pipe, the quantity of fixing hole is 3, and its spacing is 500mm, and the aperture of described fixing hole is 25mm.
Further, described fixed pull ring adopts 2.5 cun of steel pipe cuts to form, its length is 60mm, footpath at fixed pull ring is welded with anchor nut and clamp nut in the centre of both sides up and down, wherein on fixed pull ring, have the relevant position of clamp nut be drilled with the circular hole of this nut equal aperture and can be screwed in the hexagonal fastening bolt on this clamp nut, described fixed pull ring is fixed on existing anchor pole by anchor nut.
Further, described supporting steel pipe adopts 2 cun of steel pipe cuts to form, and its length is 3m.
Further, described net sheet is plastic deeping, and it is shaped as rectangle, and the quantity of this net sheet and size are determined according to the wide, high of tunnel.
The utility model is provided with fixing hole on supporting steel pipe, and is welded with hook in one end of supporting steel pipe, by mobile inserted block and the hook being enclosed within on supporting steel pipe, fixes the net sheet on end face, can realize the protection to the direction of meeting head on; Be provided with in addition the strut coordinating with fixing hole on supporting steel pipe, so just the lower end by hook and strut is to the head-on protection of direction upper; In the undesirable problem of the safe effect that has solved traditional temporary lining and anti-wall caving measure, fully realized the provisional protection to the end face of meeting head on along tunneling direction, further improved the safety factor in tunneling process; In addition, this protective device structure simple, be easy to transportation, installation and removal is convenient, has reduced the working time of operating personnel under the condition without anti-wall caving supporting, has also improved operating efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is perspective view of the present utility model;
Fig. 3 is the structural representation of the utility model fixed pull ring;
Fig. 4 is the structural representation that the utility model moves inserted block;
Fig. 5 is the connection diagram of the utility model strut and supporting steel pipe.
In figure: 1, fixed pull ring, 2, supporting steel pipe, 3, mobile inserted block, 4, strut, 5, hook, 6, net sheet, 7, fixing hole, 8, clamp nut, 9, anchor nut, 10, fastening bolt.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
In order to narrate conveniently, below alleged " left side ", " right side " are consistent with the left and right direction of accompanying drawing itself, but structure of the present utility model are not played to restriction effect.
As shown in Figures 1 to 5, a kind of top board temporary lining and anti-wall caving holder device, comprise fixed pull ring 1, supporting steel pipe 2, hook 5, net sheet 6, strut 4, the quantity of described fixed pull ring 1 is four, on the general rectangular anchor pole that is fixed on top, tunnel of this four fixed pull rings 1, described supporting steel pipe 2 quantity are two, the left end of every supporting steel pipe 2 is through two fixed pull rings 1 along tunneling direction, right-hand member at every supporting steel pipe 2 is welded with a hook 5, position near hook 5 on described supporting steel pipe 2 is drilled with fixing hole 7, the quantity of described net sheet 6 is at least two, a slice net sheet 6 is fixed between two supporting steel pipes 2 at top, tunnel, there is in addition the upper end of a slice net sheet 6 to hang over along on the hook 5 on two supporting steel pipes 2 of tunneling direction, the lower end of this net sheet 6 hangs to the end face along tunneling direction, one end of described strut 4 is connected with the fixing hole 7 on described supporting steel pipe 2, the other end is through the net sheet 6 on vertical direction and insert the end face along tunneling direction.
In order to strengthen that the net sheet 6 between two supporting steel pipes 2 is fixed, also can be provided with the mobile inserted block 3 that can be enclosed within on described supporting steel pipe 2, outwardly directed galianconism is arranged at described mobile inserted block 3 bottoms, one end, and described mobile inserted block 3 adopts 2.5 cun of steel pipe cuts to form, and its length is 100mm; The left end of the net sheet 6 between two supporting steel pipes 2 at top, tunnel fixes by mobile inserted block 3, and the right-hand member of this net sheet 6 props up the end face of meeting head on, and between these net sheet 6 two ends, by iron wire, is fixed on supporting steel pipe 2.Can also be provided with the mobile inserted block 3 that can be enclosed within on supporting steel pipe 2, the left end of the net sheet 6 between two supporting steel pipes 2 at top, tunnel fixes by mobile inserted block 3, the right-hand member of this net sheet 6 props up the end face of meeting head on, and between these net sheet 6 two ends, by iron wire, is fixed on supporting steel pipe 2.
For strut 4 is better connected with supporting steel pipe, can make one end of described strut 4 have the bolt of perpendicular welding and can be screwed in the nut on this bolt, and make bolt length on this strut 4 be greater than the diameter and the thickness sum that is screwed in the nut on this bolt of supporting steel pipe 2.
For the ease of coordinating of strut 4 and supporting steel pipe 2, the quantity that makes fixing hole 7 on every supporting steel pipe 2 is 3, and its spacing is 500mm, and the aperture of described fixing hole 7 is 25mm
As preferably, described fixed pull ring 1 adopts 2.5 cun of steel pipe cuts to form, its length is 60mm, footpath at fixed pull ring 1 is welded with anchor nut 9 and clamp nut 8 in the centre of both sides up and down, wherein on fixed pull ring 1, have the relevant position of clamp nut 8 be drilled with the circular hole of this nut equal aperture and can be screwed in the hexagonal fastening bolt 10 on this clamp nut 8, described fixed pull ring 1 is fixed on existing anchor pole by anchor nut 9.
In order to make the component processing of this device convenient, can make described supporting steel pipe 2 adopt 2 cun of steel pipe cuts to form, its length is 3m.
For the ease of the dismounting of this device, be easy to carrying, can make described net sheet 6 for plastic deeping, it is shaped as rectangle, and the quantity of this net sheet 6 and size are determined according to the wide, high of tunnel.In order to adapt to different operating modes, can need to select the material of net sheet 6 according to tunnel lithology and supporting, net sheet 6 materials can also be selected wire gauze sheet or reinforced mesh etc.
Meet head on explosion and tap after, one people places a slice net sheet 6 below the top board of meeting head on, another people is fixed to fixed pull ring 1 on back anchor pole by anchor nut 9, four fixed pull rings 1 fix rear rectangular, then the galianconism that makes mobile inserted block 3 moves inserted block 3 towards the steering handle of hook 5 and is enclosed within on supporting steel pipe 2, again the bolt of strut 4 ends is passed to the fixing hole 7 on supporting steel pipe 2, the nut of partly screwing on and mating with this bolt through the bolt of supporting steel pipe 2 at strut 4, then supporting steel pipe 2 is passed and gone from 1 li of two fixed pull ring along tunneling direction away from one end of hook 5, by tightening 10 pairs of supporting steel pipes 2 of fastening bolt, be fixed, utilize up mobile inserted block 3 to fix one end of two shape net sheets 6 between supporting steel pipe 2, the other end hangs on hook 5, between two ends, by iron wire, fix one end of two net sheets 6 between supporting steel pipe 2, the other end props up the end face of meeting head on, between two ends, by iron wire, be fixed on supporting steel pipe 2, again along the head-on direction of tunneling direction, the upper end of another sheet net sheet 6 is hung on hook 5, with the other end of strut 4, through the rear insertion of net sheet 6 tunnel, meet head in end face and by its stretching, can be according to on-the-spot different situations, timely adjustment strut 4 is connected with corresponding fixing hole 7, can also change the support leg angle of two struts 4.
Claims (8)
1. a top board temporary lining and anti-wall caving holder device, comprise fixed pull ring (1), supporting steel pipe (2), the quantity of described fixed pull ring (1) is four, on the general rectangular anchor pole that is fixed on top, tunnel of these four fixed pull rings (1), described supporting steel pipe (2) quantity is two, the left end of every supporting steel pipe (2) is through two fixed pull rings (1) along tunneling direction, it is characterized in that, also comprise hook (5), net sheet (6), strut (4), right-hand member at every supporting steel pipe (2) is welded with a hook (5), at the upper position near hook (5) of described supporting steel pipe (2), be drilled with fixing hole (7), the quantity of described net sheet (6) is at least two, a slice net sheet (6) is fixed between two supporting steel pipes (2) at top, tunnel, there is in addition the upper end of a slice net sheet (6) to hang over along on the hook (5) on two supporting steel pipes (2) of tunneling direction, the lower end of this net sheet (6) hangs to the end face along tunneling direction, one end of described strut (4) is connected with the fixing hole (7) on described supporting steel pipe (2), the other end is through the net sheet (6) on vertical direction and insert the end face along tunneling direction.
2. a kind of top board temporary lining according to claim 1 and anti-wall caving holder device, it is characterized in that, also comprise the mobile inserted block (3) that can be enclosed within on described supporting steel pipe (2), outwardly directed galianconism is arranged at bottom, described mobile inserted block (3) one end, described mobile inserted block (3) adopts 2.5 cun of steel pipe cuts to form, and its length is 100mm; The left end of the net sheet (6) between two supporting steel pipes (2) at top, tunnel fixes by mobile inserted block (3), and the right-hand member of this net sheet (6) props up the end face of meeting head on, and between these net sheet (6) two ends, by iron wire, is fixed on supporting steel pipe (2).
3. a kind of top board temporary lining according to claim 1 and anti-wall caving holder device, it is characterized in that, there is the bolt of perpendicular welding one end of described strut (4) and can be screwed in the nut on this bolt, and the bolt length on this strut (4) is greater than the diameter and the thickness sum that is screwed in the nut on this bolt of supporting steel pipe (2).
4. according to a kind of top board temporary lining described in claims 1 to 3 any one and anti-wall caving holder device, it is characterized in that, the quantity of the upper fixing hole (7) of every supporting steel pipe (2) is 3, and its spacing is 500mm, and the aperture of described fixing hole (7) is 25mm.
5. according to a kind of top board temporary lining described in claim 1 and anti-wall caving holder device, it is characterized in that, described fixed pull ring (1) adopts 2.5 cun of steel pipe cuts to form, its length is 60mm, footpath at fixed pull ring (1) is welded with anchor nut (9) and clamp nut (8) in the centre of both sides up and down, wherein on fixed pull ring (1), there is the relevant position of clamp nut (8) be drilled with the circular hole of this nut equal aperture and can be screwed in the hexagonal fastening bolt (10) on this clamp nut (8), described fixed pull ring (1) is fixed on existing anchor pole by anchor nut (9).
6. according to a kind of top board temporary lining described in claims 1 to 3 any one and anti-wall caving holder device, it is characterized in that, described supporting steel pipe (2) adopts 2 cun of steel pipe cuts to form, and its length is 3m.
7. a kind of top board temporary lining according to claim 4 and anti-wall caving holder device, is characterized in that, described supporting steel pipe (2) adopts 2 cun of steel pipe cuts to form, and its length is 3m.
8. according to a kind of top board temporary lining described in claim 1 or 2 and anti-wall caving holder device, it is characterized in that, described net sheet (6) is plastic deeping, and it is shaped as rectangle, and the quantity of this net sheet (6) and size are determined according to the wide, high of tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420283582.4U CN204002872U (en) | 2014-05-30 | 2014-05-30 | Top board temporary lining and anti-wall caving holder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420283582.4U CN204002872U (en) | 2014-05-30 | 2014-05-30 | Top board temporary lining and anti-wall caving holder device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204002872U true CN204002872U (en) | 2014-12-10 |
Family
ID=52042891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420283582.4U Expired - Fee Related CN204002872U (en) | 2014-05-30 | 2014-05-30 | Top board temporary lining and anti-wall caving holder device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204002872U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106223947A (en) * | 2016-09-30 | 2016-12-14 | 兖矿新疆矿业有限公司 | Bump soft protecting net and means of defence |
| WO2017128716A1 (en) * | 2016-01-29 | 2017-08-03 | 中国矿业大学 | Anti-spalling blocking bar for large cross-section coal gallery excavation work surface and supporting method |
| CN110023587A (en) * | 2016-08-02 | 2019-07-16 | 克热斯塑料(澳大利亚)私人有限公司 | Polymer flake and its installation and preparation method |
-
2014
- 2014-05-30 CN CN201420283582.4U patent/CN204002872U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017128716A1 (en) * | 2016-01-29 | 2017-08-03 | 中国矿业大学 | Anti-spalling blocking bar for large cross-section coal gallery excavation work surface and supporting method |
| US10247001B2 (en) | 2016-01-29 | 2019-04-02 | China University Of Mining And Technology | Anti-spalling blocking bar for large cross-section coal gallery excavation work surface and supporting method |
| CN110023587A (en) * | 2016-08-02 | 2019-07-16 | 克热斯塑料(澳大利亚)私人有限公司 | Polymer flake and its installation and preparation method |
| CN106223947A (en) * | 2016-09-30 | 2016-12-14 | 兖矿新疆矿业有限公司 | Bump soft protecting net and means of defence |
| CN106223947B (en) * | 2016-09-30 | 2019-02-05 | 兖矿新疆矿业有限公司 | Bump soft protecting net and means of defence |
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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: 20141210 Termination date: 20150530 |
|
| EXPY | Termination of patent right or utility model |