CN205225292U - Colliery fracture stock avalanche protector - Google Patents
Colliery fracture stock avalanche protector Download PDFInfo
- Publication number
- CN205225292U CN205225292U CN201520964628.3U CN201520964628U CN205225292U CN 205225292 U CN205225292 U CN 205225292U CN 201520964628 U CN201520964628 U CN 201520964628U CN 205225292 U CN205225292 U CN 205225292U
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- China
- Prior art keywords
- steel wire
- flange
- avalanche
- protector
- fracture
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- Expired - Fee Related
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Abstract
The utility model discloses a colliery fracture stock avalanche protector has steel wire auto -lock that the auto -lock geted in touch by the purpose -built ring flange and the both ends of the built -in screw hole in center and gets in touch and constitute. Purpose -built ring flange be with ordinary flange dish center department be processed into with the external screw thread specification assorted internal thread hole of screw -thread steel stock to offer four little round holes that the size is unanimous all around respectively at the ring flange, steel wire auto -lock couple is connected a rotatable auto -lock couple (be similar to key string buckle) respectively by the steel wire both ends that a segment length be 800~1200mm to constitute, with the end tail department of the mining stock of ring flange precession, utilize the screw " to hold " stock end tail tightly, then pin the peripheral little round hole of ring flange with the one end of steel wire auto -lock couple, the other end pins adjacent stock and holds the little round hole of correspondence in the tail ring flange, so, constitute a colliery fracture stock avalanche protector. This protector has that economy is suitable for, the characteristics of safe and reliable, easy operation standard.
Description
Technical field
The utility model relates to a kind of colliery fracture anchor pole avalanche protector.
Background technology
During coal mine roadway driving or working face extraction, tunnel affects strongly by dynamic pressure, make surrouding rock deformation comparatively serious, especially when for geological conditions, comparatively unreasonable, the material of complicated situation, particularly Design of bolt support is defective, the unexpected phenomenon of rupture of anchor pole will be there is, consider when anchor pole ruptures, very large impulse force will be produced instantaneously, add the potential energy that anchor pole itself has, huge potential safety hazard will be caused to the equipment in tunnel and operating personnel, make operating personnel create Psychological phobia simultaneously, be unfavorable for safety in production.At present, the binding of anchor pole end tail iron wire will be fixed on the wire lath of surrounding by most domestic coal master, serve certain protection effect, but comparatively bother with the method operation of iron wire binding, and inadequate specification of constructing, be not suitable for the requirement of stope drift active workings speedy drivage, reasonably can not recycle material simultaneously, especially when adopting merely anchor pole (rope) supporting for some region, peripheric fixture (as wire lath) cannot be found to bundle, make range of application extensive not.Therefore, under rational design of its support prerequisite, design a kind of simple operation, safe and effective, simple and practical colliery fracture anchor pole avalanche protector is very necessary.
Utility model content
The purpose of this utility model is to provide a kind of colliery fracture anchor pole avalanche protector, by the difficult problem solving the avalanche of fracture anchor pole and hurt sb.'s feelings.
Colliery fracture anchor pole avalanche protector disclosed in the utility model, be made up of the special flange in disposed thread hole, center and the two ends steel wire Self-locking hanging hook with Self-locking hanging hook, by the end tail place by special flange precession mine anchor rod, screw thread is utilized " to hold " anchor pole end tail tightly, then the small sircle hole of flange periphery is pinned with one end of steel wire Self-locking hanging hook, the other end pins the corresponding small sircle hole in adjacent anchor rod end tail flange, therefore the end portion of anchor poles all in tunnel is become as a whole, thus restriction indivedual fracture anchor pole generation avalanche causes casualty accident.
Described special flange is that internal thread hole is processed at place of common flange disk center, and the external screw thread match specifications of this hole internal thread specification and twisted steel anchor rod, and offer four small sircle holes of the same size respectively in flange surrounding, Circularhole diameter is 12mm.
Described steel wire Self-locking hanging hook connects a rotatable Self-locking hanging hook (being similar to key fob) respectively with the steel wire two ends that a segment length is 800 ~ 1200mm, and intensity of steel wire is higher and have certain toughness.
Compared with the prior art, the beneficial effects of the utility model are: adopt colliery fracture anchor pole avalanche protector, when the avalanche protector of anchor pole surrounding is all after installation, just the end portion of anchor poles all in tunnel is become an entirety, when indivedual rockbolt stress excessive generation fracture avalanche, steel wire Self-locking hanging hook utilizes the restraint forces restriction fracture anchor pole avalanche of anchor pole around, ensure that the safety of tunnel operating environment, also eliminates the feared state of mind of workman simultaneously.This protector has the feature of specification economic and practical, safe and reliable, simple to operate, effectively can prevent the generation of fracture anchor pole avalanche casualty accident.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Fig. 1 is the structural representation of anchor pole;
Fig. 2 is front view and the top view of special flange;
Fig. 3 is the front view of steel wire Self-locking hanging hook;
Fig. 4 is the structural representation of colliery fracture anchor pole avalanche protector;
In figure: the 1-screw-thread steel body of rod; 2-packing ring; 3-high-strength nut; The special flange of 4-; 5-special flange surrounding small sircle hole; 6-special flange center internal thread hole; 7-Self-locking hanging hook; 8-steel wire; 9-steel wire Self-locking hanging hook.
Detailed description of the invention
Below in conjunction with accompanying drawing, by the description of embodiment, the utility model is described further:
Fig. 1 is the structural representation of anchor pole, and Fig. 2 is front view and the top view of special flange, and Fig. 3 is the front view of steel wire Self-locking hanging hook, and Fig. 4 is the structural representation of colliery fracture anchor pole avalanche protector.Fracture anchor pole avalanche protector in this colliery is made up of the special flange (4) in disposed thread hole, center (6) and the two ends steel wire Self-locking hanging hook (9) with Self-locking hanging hook (7); Wherein, described special flange (4) is by thickness 10 ~ 16mm, diameter is that interior diameter 20 ~ 22mm screwed hole (6) is processed at place of 60mm common flange disk center, and the external screw thread match specifications of this internal thread hole (6) specification and twisted steel anchor rod, and offer four small sircle holes of the same size (5) respectively in flange surrounding, circular hole (5) diameter is 12mm; Wherein, described steel wire Self-locking hanging hook (9) connects a rotatable Self-locking hanging hook (7) (being similar to key fob) respectively with steel wire (8) two ends that a segment length is 800 ~ 1200mm, steel wire (8) intensity is higher and have certain toughness, steel wire length can carry out suitable adjustment according to the difference of bolt interval, and guarantee steel wire length comparatively bolt interval is about 200mm; By the end tail place by special flange (4) precession mine anchor rod, then one end of steel wire Self-locking hanging hook (9) is used to pin the small sircle hole (5) of flange periphery, the other end pins the corresponding small sircle hole (5) in adjacent anchor rod end tail flange, so, a kind of colliery fracture anchor pole avalanche protector is formed.
When workings subject to dy namic pressure tunnels, after the screw-thread steel body of rod (1) is squeezed into roadway surrounding rock, precession packing ring (2) respectively, high-strength nut (3), and certain pretightning force is provided, last again by special flange (4) precession mine anchor rod end tail, ensure that flange is connected reliably with the screw-thread steel body of rod, namely screw thread is utilized " to hold " anchor pole tightly, then one end of steel wire Self-locking hanging hook (9) is used to pin the small sircle hole (5) of flange periphery, the other end pins the corresponding small sircle hole (5) in adjacent anchor rod end tail flange, when the avalanche protector of anchor pole surrounding is all after installation, just the end portion of anchor poles all in tunnel is become an entirety, when indivedual rockbolt stress excessive generation fracture avalanche, steel wire Self-locking hanging hook utilizes the restraint forces restriction fracture anchor pole avalanche of anchor pole around, ensure that the safety of tunnel operating environment, also eliminate the feared state of mind of workman simultaneously.This protector has the feature of specification economic and practical, safe and reliable, simple to operate, effectively can prevent the generation of fracture anchor pole avalanche casualty accident.
Adopt technique scheme, a kind of colliery fracture anchor pole avalanche protector, when the avalanche protector of anchor pole surrounding is all after installation, just the end portion of anchor poles all in tunnel is become an entirety, when indivedual rockbolt stress excessive generation fracture avalanche, steel wire Self-locking hanging hook utilizes the restraint forces restriction fracture anchor pole avalanche of anchor pole around, in workings subject to dy namic pressure driving or working face extraction process, avalanche protector install the safety that ensure that tunnel operating environment.Simultaneously when there being anchor pole phenomenon of rupture to occur, field operation personnel are very easy to the anchor pole finding suspention, and take appropriate measures in time.This protector has the feature of specification economic and practical, safe and reliable, simple to operate, effectively can prevent the generation of fracture anchor pole avalanche casualty accident.
Above-described is only preferred embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (3)
1. a colliery fracture anchor pole avalanche protector, be made up of the special flange (4) in disposed thread hole, center (6) and the two ends steel wire Self-locking hanging hook (9) with Self-locking hanging hook (7), it is characterized in that: by the end tail place of special flange (4) precession mine anchor rod, screw thread is utilized " to hold " anchor pole end tail tightly, then use one end of steel wire Self-locking hanging hook (9) to pin the small sircle hole (5) of flange periphery, the other end pins the corresponding small sircle hole (5) in adjacent anchor rod end tail flange.
2. colliery fracture anchor pole avalanche protector according to claim 1, it is characterized in that: described special flange (4) place of common flange disk center is processed into the internal thread hole (6) with the external screw thread match specifications of twisted steel anchor rod, and offer four small sircle holes of the same size (5) respectively in flange surrounding, Circularhole diameter is 12mm.
3. colliery fracture anchor pole avalanche protector according to claim 1, is characterized in that: steel wire (8) two ends that described steel wire Self-locking hanging hook (9) is 800 ~ 1200mm by a segment length connect a rotatable Self-locking hanging hook (7) respectively and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520964628.3U CN205225292U (en) | 2015-11-27 | 2015-11-27 | Colliery fracture stock avalanche protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520964628.3U CN205225292U (en) | 2015-11-27 | 2015-11-27 | Colliery fracture stock avalanche protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205225292U true CN205225292U (en) | 2016-05-11 |
Family
ID=55900366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520964628.3U Expired - Fee Related CN205225292U (en) | 2015-11-27 | 2015-11-27 | Colliery fracture stock avalanche protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205225292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236839A (en) * | 2018-11-20 | 2019-01-18 | 中煤新集能源股份有限公司 | The safety device that U-shaped canopy card cable bolt breaks |
-
2015
- 2015-11-27 CN CN201520964628.3U patent/CN205225292U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236839A (en) * | 2018-11-20 | 2019-01-18 | 中煤新集能源股份有限公司 | The safety device that U-shaped canopy card cable bolt breaks |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20161127 |