CN203230447U - Prestressed energy absorption anchor rod cable - Google Patents
Prestressed energy absorption anchor rod cable Download PDFInfo
- Publication number
- CN203230447U CN203230447U CN 201320268114 CN201320268114U CN203230447U CN 203230447 U CN203230447 U CN 203230447U CN 201320268114 CN201320268114 CN 201320268114 CN 201320268114 U CN201320268114 U CN 201320268114U CN 203230447 U CN203230447 U CN 203230447U
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- energy
- anchor rod
- absorbing
- arch
- cable
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Abstract
The utility model relates to an anchor rod cable, in particular to a prestressed energy absorption anchor rod cable, which aims to solve the problems that since a demising buffering energy absorption device in the existing energy absorption scour prevention anchor rod cable is poor in shock resistance capability, deformation of surrounding rock of a roadway is large, and when the surrounding rock of the roadway encounters danger, early warning cannot be performed. The prestressed energy absorption anchor rod cable is characterized in that a grout stopping plunger, a base plate and a tray are sequentially sleeved on the head end of a rod body of a deformed steel bar anchor rod and are fastened by a pre-tensioning nut, the head end of a steel strand anchor cable is connected with the tail end of the deformed steel bar anchor rod through a connecting sleeve, an anchor cable cap is arranged at the tail end of the steel strand anchor cable, and an energy absorption device is arranged between the base plate and the tray. The prestressed energy absorption anchor rod cable is suitable for mining.
Description
Technical field
The utility model relates to a kind of anchor pole rope, is specifically related to a kind of prestressing force energy-absorption anchor rod rope, belongs to the civil construction field.
Background technology
Deep mining is one of great technical task of facing of China's coal-mine pit mining.Along with the day by day increase of society to coal demand, producing capacity improves constantly, and it is the inexorable trend of pit mining that mining depth constantly increases.China's coal-mine just with the speed of annual 8～12m to the deep deepening.A series of new problems and new feature have appearred in deep mining, and wherein, the rock stratum changes, and soft rock increases, and pressure increases, and the tunnel displacement increases, and the bump occurrence frequency increases, the roadway maintenance difficulty.Deep-well tunnel is safeguarded a great difficult problem that has become deep mining.Notification number is CN103016035A, name be called " a kind of colliery with step down buffering energy-absorbing erosion control anchor pole rope " patent disclosure a kind of under impact loading, can realize that fast compressive strain is stepped down significantly, effectively reduce the anchor pole of impact energy, but find that in use the crash energy absorption equipment impact resistance of stepping down in the existing energy-absorbing erosion control anchor pole is poor, causes the deformation of the surrounding rock in tunnel amount big, and when roadway surrounding rock is caused danger, can't early warning.
The utility model content
The purpose of this utility model is the problem that exists in the background technology in order to solve, and then a kind of prestressing force energy-absorption anchor rod rope is provided.
The technical solution of the utility model is: a kind of prestressing force energy-absorption anchor rod rope comprises pre-load nut, pallet, backing plate, stop grouting plug, twisted steel anchor rod, splicing sleeve, steel strand anchor cable and anchor cable cap, described stop grouting plug, backing plate and pallet are sleeved on the body of rod head end of twisted steel anchor rod successively, and it is fastening by pre-load nut, the head end of described steel strand anchor cable is connected with the tail end of twisted steel anchor rod by splicing sleeve, the anchor cable cap is arranged on the end of steel strand anchor cable, described prestressing force energy-absorption anchor rod rope also comprises energy absorption device, energy absorption device is arranged between backing plate and the pallet, described energy absorption device comprises the first arch energy-absorbing dish, the second arch energy-absorbing dish, main spring, a plurality of first secondary springs, a plurality of second secondary springs and a plurality of energy-absorbing alarm assemblies, main spring is sleeved on the twisted steel anchor rod between backing plate and the pallet, the first arch energy-absorbing dish and the second arch energy-absorbing dish are fastened on main spring in the arch cavity, be laid with a plurality of first secondary springs between the outer of backing plate and the first arch energy-absorbing dish, a plurality of second secondary springs and a plurality of energy-absorbing alarm assemblies are crisscross arranged between pallet and the second arch energy-absorbing dish.
The quantity of described first secondary spring is four, and the quantity of second secondary spring and energy-absorbing alarm assemblies is two.
The described first arch energy-absorbing dish is the rubber first arch energy-absorbing dish, and the second arch energy-absorbing dish is the rubber second arch energy-absorbing dish.
The utility model compared with prior art has following effect:
1. the first arch energy-absorbing dish of the present utility model, the second arch energy-absorbing dish, main spring, a plurality of first secondary spring and a plurality of second secondary spring carry out multiple energy-absorbing, strong shock resistance, reduce the deformation of the surrounding rock in tunnel amount, effectively prevented the country rock large deformation, when roadway surrounding rock is caused danger, maximum elastic deformation takes place in main spring, a plurality of first secondary spring and a plurality of second secondary spring, the energy-absorbing alarm assemblies is under the effect of impact force, generation is kowtowed and is hit sound and carry out early warning, be convenient to the maintenance in tunnel, the incidence of reduction accident.
2. the utility model is simple in structure, manufactures easily, and is with low cost.
Description of drawings
Fig. 1 is front view of the present utility model; Fig. 2 is the lateral view of Fig. 1.
The specific embodiment
The specific embodiment one: present embodiment is described in conjunction with Fig. 1 and Fig. 2, present embodiment comprise pre-load nut 1, pallet 2, backing plate 4, stop grouting plug 5, twisted steel anchor rod 6, splicing sleeve 7, steel strand anchor cable 8 and anchor cable cap 9, described stop grouting plug 5, backing plate 4 and pallet 2 are sleeved on the body of rod head end of twisted steel anchor rod 6 successively, and it is fastening by pre-load nut 1, the head end of described steel strand anchor cable 8 is connected with the tail end of twisted steel anchor rod 6 by splicing sleeve 7, anchor cable cap 9 is arranged on the end of steel strand anchor cable 8, described prestressing force energy-absorption anchor rod rope also comprises energy absorption device 3, energy absorption device 3 is arranged between backing plate 4 and the pallet 2, described energy absorption device 3 comprises the first arch energy-absorbing dish 10, the second arch energy-absorbing dish 11, main spring 12, a plurality of first secondary springs 13, a plurality of second secondary springs 14 and a plurality of energy-absorbing alarm assemblies 15, main spring 12 is sleeved on the twisted steel anchor rod 6 between backing plate 4 and the pallet 2, the first arch energy-absorbing dish 10 and the second arch energy-absorbing dish 11 are fastened on main spring 12 in the arch cavity, be laid with a plurality of first secondary springs 13 between the outer of backing plate 4 and the first arch energy-absorbing dish 10, a plurality of second secondary springs 14 and a plurality of energy-absorbing alarm assemblies 15 are crisscross arranged between pallet 2 and the second arch energy-absorbing dish 11.
As a kind of optimal way, the quantity of first secondary spring 13 of present embodiment is four, and the quantity of second secondary spring 14 and energy-absorbing alarm assemblies 15 is two.
As a kind of optimal way, the first arch energy-absorbing dish 10 of present embodiment is the rubber first arch energy-absorbing dish, and the second arch energy-absorbing dish 11 is the rubber second arch energy-absorbing dish.
As a kind of optimal way, the energy-absorbing alarm assemblies 15 of present embodiment is made by two identical brass of structure, kowtows when hitting and can send the very big sound.The prompting people should locate to be about to dangerous, and the incidence of reduction accident has ensured people's personal safety.
Claims (3)
1. prestressing force energy-absorption anchor rod rope, it comprises pre-load nut (1), pallet (2), backing plate (4), stop grouting plug (5), twisted steel anchor rod (6), splicing sleeve (7), steel strand anchor cable (8) and anchor cable cap (9), described stop grouting plug (5), backing plate (4) and pallet (2) are sleeved on the body of rod head end of twisted steel anchor rod (6) successively, and it is fastening by pre-load nut (1), the head end of described steel strand anchor cable (8) is connected with the tail end of twisted steel anchor rod (6) by splicing sleeve (7), anchor cable cap (9) is arranged on the end of steel strand anchor cable (8), it is characterized in that: described prestressing force energy-absorption anchor rod rope also comprises energy absorption device (3), energy absorption device (3) is arranged between backing plate (4) and the pallet (2), described energy absorption device (3) comprises the first arch energy-absorbing dish (10), the second arch energy-absorbing dish (11), main spring (12), a plurality of first secondary springs (13), a plurality of second secondary springs (14) and a plurality of energy-absorbing alarm assemblies (15), main spring (12) is sleeved on the twisted steel anchor rod (6) between backing plate (4) and the pallet (2), the first arch energy-absorbing dish (10) and the second arch energy-absorbing dish (11) are fastened on main spring (12) in the arch cavity, be laid with a plurality of first secondary springs (13) between the outer of backing plate (4) and the first arch energy-absorbing dish (10), a plurality of second secondary springs (14) and a plurality of energy-absorbing alarm assemblies (15) are crisscross arranged between pallet (2) and the second arch energy-absorbing dish (11).
2. a kind of prestressing force energy-absorption anchor rod rope according to claim 1, it is characterized in that: the quantity of described first secondary spring (13) is four, the quantity of second secondary spring (14) and energy-absorbing alarm assemblies (15) is two.
3. a kind of prestressing force energy-absorption anchor rod rope according to claim 2, it is characterized in that: the described first arch energy-absorbing dish (10) is the rubber first arch energy-absorbing dish, and the second arch energy-absorbing dish (11) is the rubber second arch energy-absorbing dish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320268114 CN203230447U (en) | 2013-05-16 | 2013-05-16 | Prestressed energy absorption anchor rod cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320268114 CN203230447U (en) | 2013-05-16 | 2013-05-16 | Prestressed energy absorption anchor rod cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203230447U true CN203230447U (en) | 2013-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320268114 Expired - Fee Related CN203230447U (en) | 2013-05-16 | 2013-05-16 | Prestressed energy absorption anchor rod cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN203230447U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924588A (en) * | 2014-03-04 | 2014-07-16 | 中国矿业大学(北京) | Elastic anchor cable |
| CN104100281A (en) * | 2014-06-16 | 2014-10-15 | 山东科技大学 | Mining multilevel pressure-relief anti-scouring support device, support system and use methods thereof |
| CN104632263A (en) * | 2015-01-30 | 2015-05-20 | 河南科技大学 | Dual-safety prestressed energy-absorbing bolt cable |
| CN105201534A (en) * | 2015-10-14 | 2015-12-30 | 灌阳县鸿运矿山设备有限公司 | Combined anchor rod for ores |
| CN107607010A (en) * | 2017-11-08 | 2018-01-19 | 山东科技大学 | A kind of tunnel blasting leaky wave resistance stone device and its application method |
| CN110005457A (en) * | 2019-04-16 | 2019-07-12 | 中国矿业大学 | A kind of high-strength steady resistance energy-absorbing anchor cable with application pretightning force function |
| CN110454206A (en) * | 2019-08-16 | 2019-11-15 | 栗正强 | Prestress anchorage cable, Bolt-rope Support system and soft stratum support process |
| CN111577356A (en) * | 2020-06-23 | 2020-08-25 | 南昌大学 | Variable-resistance energy-absorbing anchoring device and mounting method |
-
2013
- 2013-05-16 CN CN 201320268114 patent/CN203230447U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924588A (en) * | 2014-03-04 | 2014-07-16 | 中国矿业大学(北京) | Elastic anchor cable |
| CN104100281A (en) * | 2014-06-16 | 2014-10-15 | 山东科技大学 | Mining multilevel pressure-relief anti-scouring support device, support system and use methods thereof |
| CN104632263A (en) * | 2015-01-30 | 2015-05-20 | 河南科技大学 | Dual-safety prestressed energy-absorbing bolt cable |
| CN104632263B (en) * | 2015-01-30 | 2016-08-24 | 河南科技大学 | A kind of prestressing force energy-absorption anchor rod rope with dual fail-safe |
| CN105201534A (en) * | 2015-10-14 | 2015-12-30 | 灌阳县鸿运矿山设备有限公司 | Combined anchor rod for ores |
| CN107607010A (en) * | 2017-11-08 | 2018-01-19 | 山东科技大学 | A kind of tunnel blasting leaky wave resistance stone device and its application method |
| CN110005457A (en) * | 2019-04-16 | 2019-07-12 | 中国矿业大学 | A kind of high-strength steady resistance energy-absorbing anchor cable with application pretightning force function |
| CN110454206A (en) * | 2019-08-16 | 2019-11-15 | 栗正强 | Prestress anchorage cable, Bolt-rope Support system and soft stratum support process |
| CN111577356A (en) * | 2020-06-23 | 2020-08-25 | 南昌大学 | Variable-resistance energy-absorbing anchoring device and mounting method |
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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: 20131009 Termination date: 20170516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |