CN205778962U - A kind of constant-resistance pressure-relieving achor bar - Google Patents
A kind of constant-resistance pressure-relieving achor bar Download PDFInfo
- Publication number
- CN205778962U CN205778962U CN201620412463.3U CN201620412463U CN205778962U CN 205778962 U CN205778962 U CN 205778962U CN 201620412463 U CN201620412463 U CN 201620412463U CN 205778962 U CN205778962 U CN 205778962U
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- sleeve
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- bar body
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Abstract
nullThis utility model provides a kind of constant-resistance pressure-relieving achor bar，Relate to safety support technical field，Including anchor bar body and sleeve，The upper and lower internal diameter of sleeve is divided into two sections，First paragraph and second segment，The internal diameter of second segment is less than first paragraph，The both sides of second segment inwardly have energy-absorbing groove，Anchor bar body be divided into down two sections，The epimere equal with sleeve diameter first paragraph and the hypomere equal with sleeve diameter second segment，Anchor bar body inserts from sleeve upper end，Hypomere stretches out in outside described sleeve，Anchor bar body hypomere and sleeve diameter first paragraph form U-shaped energy-absorbing groove，Outer convertible energy absorbing tube it is additionally provided with in U-shaped energy-absorbing groove，Sleeve top is fixing connects the anti-nut that spouts，Described anchor rod pallet board is sleeved on sleeve upper end，Pre-load nut is connected with bush whorl，This utility model simple in construction、Cheap、Easy for installation，And can adapt to deep heavily stressed underground engineering wall rock large deformation condition，Realize high constant-resistance to step down，Strong shock resistance、Energy-absorbing erosion control effect is preferable.
Description
Technical field
This utility model relates to safety support technical field, is specifically related to a kind of constant-resistance pressure-relieving achor bar.
Background technology
During the engineering supports such as mine engineering, Hydraulic and Hydro-Power Engineering, Tunnel Engineering, anchor pole
It is widely used a kind of support equipment being continuously increased and large-scale underground along with mining depth
Engineering construction, the geological conditions faced becomes increasingly complex, roadway surrounding rock usually show heavily stressed,
The feature of large deformation, and conventional anchor elongation percentage is low, is difficult to fit in the surrounding rock supporting of large deformation
With when moderate finite deformation occurs in country rock, once the deformation energy of roadway surrounding rock exceedes anchor pole and can bear
Scope, it will cause the support equipment such as anchor pole to lose efficacy, and then to personal security and production safety
Cause serious threat.
In view of conventional anchor defect in large deformation surrounding rock supporting system, prior art is mostly multiple
Miscellaneous, cost is high, needs to improve this.
Utility model content
For the deficiencies in the prior art, this utility model provides a kind of constant-resistance pressure-relieving achor bar, knot
Structure is simple, adapts to deep heavily stressed underground engineering wall rock large deformation condition, improves shock resistance energy
Power is strong, strengthen energy-absorbing erosion control effect.
For realizing object above, this utility model is achieved by the following technical programs:
A kind of constant-resistance pressure-relieving achor bar, including anchor bar body and sleeve, the upper and lower internal diameter of described sleeve is divided into
Two sections, first paragraph and second segment, the internal diameter of second segment is less than first paragraph, the two of described second segment
Have energy-absorbing groove in Ce Xiang, described anchor bar body be divided into down two sections, with sleeve diameter
One section of equal epimere and the hypomere equal with sleeve diameter second segment, described anchor bar body is from sleeve
Upper end is inserted, and hypomere stretches out in outside described sleeve, described anchor bar body hypomere and sleeve diameter first
Section forms U-shaped energy-absorbing groove, is additionally provided with outer convertible energy absorbing tube in described U-shaped energy-absorbing groove, also
Including anti-spout nut, anchor rod pallet board and pre-load nut, described sleeve top is fixing connects the anti-spiral shell that spouts
Mother, described anchor rod pallet board is sleeved on sleeve upper end, and pre-load nut is arranged on anchor rod pallet board with anti-
The sleeve between nut that spouts is outer and is connected with bush whorl.
Further, described anti-nut center of spouting has through hole.
Further, the disc structure of described anchor rod pallet board.
This utility model provides a kind of constant-resistance pressure-relieving achor bar, includes anchor bar body and set by setting
Cylinder, sleeve is divided into two sections, first paragraph and second segment, and the internal diameter of second segment is less than first paragraph, will
The both sides of second segment inwardly have energy-absorbing groove, anchor bar body be divided into down two sections, with sleeve
Epimere that internal diameter first paragraph is equal and the hypomere equal with sleeve diameter second segment, anchor bar body is from set
Cylinder upper end is inserted, and hypomere stretches out in outside sleeve, and anchor bar body hypomere and sleeve diameter first paragraph form U
Type energy-absorbing groove, is additionally provided with outer convertible energy absorbing tube, is coordinated by each several part in U-shaped energy-absorbing groove
Coordinate, it is possible to adapt to deep heavily stressed underground engineering wall rock large deformation condition, it is achieved high constant-resistance allows
Position, strong shock resistance, energy-absorbing erosion control effect are preferable.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art,
The accompanying drawing used required in embodiment or description of the prior art will be briefly described below,
It should be evident that the accompanying drawing in describing below is only embodiments more of the present utility model, right
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is this utility model structural representation；
Fig. 2 is the structural representation of this utility model sleeve.
Wherein: 1, anchor bar body；2, sleeve；3, energy-absorbing groove；4, U-shaped energy-absorbing groove；5, outer
Convertible energy absorbing tube；6, the anti-nut that spouts；7, anchor rod pallet board；8, pre-load nut.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below
The accompanying drawing in this utility model embodiment will be combined, to the technical side in this utility model embodiment
Case is clearly and completely described, it is clear that described embodiment is this utility model one
Divide embodiment rather than whole embodiments.Based on the embodiment in this utility model, ability
The every other enforcement that territory those of ordinary skill is obtained under not making creative work premise
Example, broadly falls into the scope of this utility model protection.
In conjunction with accompanying drawing 1 and Fig. 2, this utility model one constant-resistance pressure-relieving achor bar, including anchor bar body 1
With sleeve 2, the internal diameter of described sleeve about 2 is divided into two sections, first paragraph and second segment, second segment
Internal diameter less than first paragraph, the both sides of described second segment inwardly have energy-absorbing groove 3, described anchor bar body
1 be divided into down two sections, the epimere equal with sleeve 2 internal diameter first paragraph and with sleeve 2
The hypomere that internal diameter second segment is equal, described anchor bar body 1 inserts from sleeve 2 upper end, and hypomere stretches out
Outside described sleeve 2, described anchor bar body 1 hypomere and sleeve 2 internal diameter first paragraph form U-shaped suction
Energy groove 4, is additionally provided with outer convertible energy absorbing tube 5 in described U-shaped energy-absorbing groove 4, also include anti-spouting
Nut 6, anchor rod pallet board 7 and pre-load nut 8, described sleeve 2 top is fixing connects the anti-nut that spouts
6, it is ensured that the stability of sleeve 2 upper end, described anchor rod pallet board 7 is sleeved on sleeve 2 upper end,
Pre-load nut 8 is arranged on anchor rod pallet board 7 and the anti-sleeve 2 spouted between nut 8 is outer and with sleeve 2
Threaded；
It is further preferred that anti-nut 6 center of spouting has through hole, it is simple to pressure release, anchor rod pallet board 7
Disc structure, preferably carry out installing fixing.
This utility model provides a kind of constant-resistance pressure-relieving achor bar, includes anchor bar body and set by setting
Cylinder, sleeve is divided into two sections, first paragraph and second segment, and the internal diameter of second segment is less than first paragraph, will
The both sides of second segment inwardly have energy-absorbing groove, anchor bar body be divided into down two sections, with sleeve
Epimere that internal diameter first paragraph is equal and the hypomere equal with sleeve diameter second segment, anchor bar body is from set
Cylinder upper end is inserted, and hypomere stretches out in outside sleeve, and anchor bar body hypomere and sleeve diameter first paragraph form U
Type energy-absorbing groove, is additionally provided with outer convertible energy absorbing tube, is coordinated by each several part in U-shaped energy-absorbing groove
Coordinate, it is possible to adapt to deep heavily stressed underground engineering wall rock large deformation condition, it is achieved high constant-resistance allows
Position, strong shock resistance, energy-absorbing erosion control effect are preferable.
It should be noted that in this article, the relational terms of such as first and second or the like is only
Only it is used for separating an entity or operation with another entity or operating space, and not necessarily
Require or imply and there is the relation of any this reality or suitable between these entities or operation
Sequence.And, term " includes ", " comprising " or its any other variant are intended to nonexcludability
Comprise, so that include the process of a series of key element, method, article or equipment not only
Including those key elements, but also include other key elements being not expressly set out, or also include
The key element intrinsic for this process, method, article or equipment.There is no more restriction
In the case of, statement " including ... " key element limited, it is not excluded that including described wanting
Process, method, article or the equipment of element there is also other identical element.
Above example only in order to the technical solution of the utility model to be described, is not intended to limit；
Although this utility model being described in detail with reference to previous embodiment, this area common
Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be entered by it
Row amendment, or wherein portion of techniques feature is carried out equivalent；And these are revised or replace
Change, do not make the essence of appropriate technical solution depart from this utility model each embodiment technical scheme
Spirit and scope.
Claims (3)
1. a constant-resistance pressure-relieving achor bar, it is characterised in that include anchor bar body and sleeve, described set
The upper and lower internal diameter of cylinder is divided into two sections, first paragraph and second segment, and the internal diameter of second segment is less than first paragraph,
The both sides of described second segment inwardly have energy-absorbing groove, described anchor bar body be divided into down two sections,
The epimere equal with sleeve diameter first paragraph and the hypomere equal with sleeve diameter second segment, described
Anchor bar body from sleeve upper end insert, hypomere stretches out in outside described sleeve, described anchor bar body hypomere and
Sleeve diameter first paragraph forms U-shaped energy-absorbing groove, is additionally provided with outer upset in described U-shaped energy-absorbing groove
Formula energy absorbing tube, also includes anti-spout nut, anchor rod pallet board and pre-load nut, and described sleeve top is solid
The anti-nut that spouts of fixed connection, described anchor rod pallet board is sleeved on sleeve upper end, and pre-load nut is arranged on
Anchor rod pallet board is outer with the anti-sleeve spouted between nut and is connected with bush whorl.
2. a kind of constant-resistance pressure-relieving achor bar as claimed in claim 1, it is characterised in that described anti-
Nut center of spouting has through hole.
3. a kind of constant-resistance pressure-relieving achor bar as claimed in claim 1, it is characterised in that described anchor
The disc structure of lever bracket dish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620412463.3U CN205778962U (en) | 2016-05-09 | 2016-05-09 | A kind of constant-resistance pressure-relieving achor bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620412463.3U CN205778962U (en) | 2016-05-09 | 2016-05-09 | A kind of constant-resistance pressure-relieving achor bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205778962U true CN205778962U (en) | 2016-12-07 |
Family
ID=57411565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620412463.3U Expired - Fee Related CN205778962U (en) | 2016-05-09 | 2016-05-09 | A kind of constant-resistance pressure-relieving achor bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205778962U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218072A (en) * | 2017-07-10 | 2017-09-29 | 中国矿业大学 | A kind of extrusion friction type constant-resistance allows pressure large deformation anchor rod |
| CN108590721A (en) * | 2018-05-14 | 2018-09-28 | 重庆大学 | A kind of adaptively release can anchor pole |
| CN109736864A (en) * | 2019-01-21 | 2019-05-10 | 河南理工大学 | A kind of mining hydraulic constant-resistance deformation releasing pressure automatically anchor pole and its working method |
| CN111456784A (en) * | 2020-04-20 | 2020-07-28 | 北京中矿创新联盟能源环境科学研究院 | Constant-resistance anchor cable structure and anchoring method |
| CN112431625A (en) * | 2020-11-18 | 2021-03-02 | 河南理工大学 | Embedded constant-resistance energy absorption device |
-
2016
- 2016-05-09 CN CN201620412463.3U patent/CN205778962U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218072A (en) * | 2017-07-10 | 2017-09-29 | 中国矿业大学 | A kind of extrusion friction type constant-resistance allows pressure large deformation anchor rod |
| CN108590721A (en) * | 2018-05-14 | 2018-09-28 | 重庆大学 | A kind of adaptively release can anchor pole |
| CN109736864A (en) * | 2019-01-21 | 2019-05-10 | 河南理工大学 | A kind of mining hydraulic constant-resistance deformation releasing pressure automatically anchor pole and its working method |
| CN109736864B (en) * | 2019-01-21 | 2020-07-24 | 河南理工大学 | Mining hydraulic constant-resistance deformation automatic pressure relief anchor rod and working method thereof |
| US11041385B2 (en) | 2019-01-21 | 2021-06-22 | Henan Polytechnic University | Mining hydraulic constant-resistance deforming and automatic pressure relieving anchor rod and working method thereof |
| CN111456784A (en) * | 2020-04-20 | 2020-07-28 | 北京中矿创新联盟能源环境科学研究院 | Constant-resistance anchor cable structure and anchoring method |
| CN111456784B (en) * | 2020-04-20 | 2021-01-08 | 北京中矿创新联盟能源环境科学研究院 | Constant-resistance anchor cable structure and anchoring method |
| CN112431625A (en) * | 2020-11-18 | 2021-03-02 | 河南理工大学 | Embedded constant-resistance energy absorption device |
| CN112431625B (en) * | 2020-11-18 | 2022-10-28 | 河南理工大学 | Embedded constant-resistance energy absorption device |
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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: 20161207 Termination date: 20170509 |