CN205277462U - Improve anchor system percentage elongation anchor rope tray - Google Patents
Improve anchor system percentage elongation anchor rope tray Download PDFInfo
- Publication number
- CN205277462U CN205277462U CN201520755965.1U CN201520755965U CN205277462U CN 205277462 U CN205277462 U CN 205277462U CN 201520755965 U CN201520755965 U CN 201520755965U CN 205277462 U CN205277462 U CN 205277462U
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- CN
- China
- Prior art keywords
- backing plate
- anchor
- arc
- anchor cable
- utility
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- Expired - Fee Related
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Abstract
The utility model relates to a novel the anchor rope tray, be total to two parts including backing plate, arc -shaped bracket. The backing plate is formed by the processing of old and useless U shaped steel, and the backing plate center is equipped with the round hole, and the antifriction gasket that processing is good is installed to both sides, and there is downward bellied rib at the backing plate edge. The arc -shaped bracket center is equipped with the circular port, two arms of arc -shaped bracket symmetry, and during the installation, the terminal antifriction gasket with the backing plate both sides of two arms is hugged closely together. The utility model discloses improved current anchor rope tray structure and constitution, it is less to have improved the anchor rope percentage elongation, and it is disrumpent feelings to produce the anchor rope, causes the problem of anchor thrashing. In addition, the pretightning force decay also has certain inhibitory action to the anchor system. The utility model is suitable for a coal mine tunnel such as struts at the underground works field.
Description
Technical field
This utility model relates to a kind of anchor system elongation percentage anchor cable pallet, particularly one of improving and prevents pretightning force from decaying, and improves the anchor cable pallet of anchor system elongation percentage, is applicable to lithology softer, and rock mass easily loosens the top board being caving. Can effectively alleviate the problem that anchor cable elongation percentage is not enough, belong to roadway support field.
Background technology
Anchor pole (rope) supporting is a kind of surrounding rock consolidation mode common in the underground Geotechnical Engineerings such as colliery tunnel support. In order to solve deep high-ground stress, extra-large cross-section tunnel, by the supporting difficult problem under the complicated hard situation such as strong mining influence tunnel, gob side entry retaining, exploitation small-bore prestressing anchor support technology. Along with mining depth is continuously increased, crustal stress is gradually increased, tunnel soft rock substantially aggravates. By crustal stress and later stage mining influence, especially under lithology relatively soft geological condition, often occurring the changing of the relative positions, coal and rock landing between anchor cable pallet and coal and rock, cause anchor cable pretightning force to reduce, the anchor force of support system declines; At high-ground stress, adopting under the factor effects such as secondary stress and geological structure, rock deformation is serious, and owing to anchor cable self elongation percentage is less, anchor cable is easily disrumpent feelings, causes anchor system to lose efficacy, and causes roof fall accident. Therefore, research and development one prevents anchor system pretightning force from decaying, and the anchor cable pallet improving anchor system elongation percentage has great importance.
Summary of the invention
The purpose of this utility model is in that to overcome above-mentioned the deficiencies in the prior art, one is provided to improve anchor system elongation percentage anchor cable pallet, it is possible to the anchor force that effectively decay of solution anchor system pretightning force causes is not enough and the less problem causing anchor system to lose efficacy of anchor cable elongation percentage.
For achieving the above object, this utility model adopts following technical proposals.
A kind of improving anchor system elongation percentage anchor cable pallet, it includes camber bracket and backing plate two parts, and camber bracket section is camber, has symmetrical two-arm, has circular port in camber supporting plate bottom centre, and aperture is 28-30mm. Backing plate is processed by waste and old U-shaped steel, and backing plate central authorities are provided with circular port, and aperture is 28-30mm. The processing of backing plate both sides has anti-attrition backing plate, and anti-attrition pad is formed by mining waste old materials processing, is embedded in the groove of backing plate. There is the rib of projection at the edge of backing plate.
Accompanying drawing explanation
Fig. 1 of the present utility model installs and uses schematic diagram.
Fig. 2 is arc-shaped bracket top view of the present utility model.
Fig. 3 is arc-shaped bracket front view of the present utility model.
Fig. 4 is this utility model backing plate front view.
Fig. 5 is this utility model backing plate top view.
Detailed description of the invention
This utility model is described further by accompanying drawings.
See accompanying drawing.
Backing plate is processed by waste and old U-shaped steel, and backing plate central authorities are provided with circular port, and aperture is 28-30mm. Backing plate both sides are fluted, are used for installing anti-attrition pad, the bossed rib in backing plate edge, when anchor cable stress increases, and arc-shaped bracket deformation is excessive, both sides of the chest can stop the continuation of arc-shaped bracket to deform, arc-shaped bracket is made to be maintained within its elastic range, it is ensured that the stability of pallet works. The size of backing plate designs in conjunction with Specific construction situations such as cable interval, has not only saved raw material, reduces cost, also allows for processing.
Anti-attrition pad is formed by mining waste old materials processing, is embedded in the groove of backing plate. Can effectively reduce the frictional force between arc-shaped bracket and backing plate so that the generation deformation that arc-shaped bracket can be continual and steady when bearing load changes, to tackle the change of anchor cable stressing conditions, improve the reliability of cable bolting.
Arc-shaped bracket is processed by the spring steel that rigidity is higher, and its rigidity meets bearing load during anchor cable work. During installation, the two-arm end of arc-shaped bracket and anti-attrition pad are close together. When anchor cable pressure-bearing strengthens, the opening angle of arc-shaped bracket two-arm can increase along anti-attrition backing plate direction, improve the elongation percentage of anchor cable, it is prevented that the anchor cable pressure-bearing caused because of factors such as high-ground stress, secondary mining induced stress and geological structures increases, the disrumpent feelings problem of anchor cable caused; When under lithology relatively soft geological condition, by crustal stress and later stage mining influence, the changing of the relative positions often occurs between anchor cable pallet and coal and rock, coal and rock landing, when causing anchor cable pressure-bearing to reduce, the two-arm angle of arc-shaped bracket can reduce, and tends to restoring to the original state, anchor cable is made to ensure continual and steady pretightning force, it is ensured that the reliability of anchor system.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, it is not intended to limit; Although this utility model being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it; Or wherein some or all of technical characteristic is replaced on an equal basis; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of this utility model, the technical solution of the utility model is limited by claims and coordinate thereof.
Claims (5)
1. one kind is improved anchor system elongation percentage anchor cable pallet, it includes camber bracket (1) and backing plate (2) two parts, it is characterized in that: described camber bracket (1) section is camber, there is symmetrical two-arm, having circular port in camber supporting plate bottom centre, backing plate (2) is processed by waste and old U-shaped steel, and backing plate central authorities are provided with circular port, the processing of backing plate (2) both sides has anti-attrition pad (3), the edge of backing plate (2) to have the rib (4) of projection.
2. a kind of raising anchor system elongation percentage anchor cable pallet as claimed in claim 1, it is characterised in that: described arc-shaped bracket (1) and the diameter of the circular port at backing plate (2) center are 28-30mm.
3. a kind of raising anchor system elongation percentage anchor cable pallet as claimed in claim 1, it is characterised in that: described anti-attrition pad (3), it is symmetrically distributed in the circular hole both sides of backing plate (2), and connects with the rib (4) of backing plate (2) edge protuberance.
4. a kind of raising anchor system elongation percentage anchor cable pallet as claimed in claim 1, it is characterised in that: described anti-attrition pad (3) is formed by mining waste old materials processing, is embedded in the groove of backing plate (2).
5. a kind of raising anchor system elongation percentage anchor cable pallet as claimed in claim 1, it is characterised in that: the two-arm end of described arc pallet (1) and anti-attrition pad (3) are close together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520755965.1U CN205277462U (en) | 2015-09-28 | 2015-09-28 | Improve anchor system percentage elongation anchor rope tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520755965.1U CN205277462U (en) | 2015-09-28 | 2015-09-28 | Improve anchor system percentage elongation anchor rope tray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205277462U true CN205277462U (en) | 2016-06-01 |
Family
ID=56062045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520755965.1U Expired - Fee Related CN205277462U (en) | 2015-09-28 | 2015-09-28 | Improve anchor system percentage elongation anchor rope tray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205277462U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114770657A (en) * | 2022-04-11 | 2022-07-22 | 大连大学 | Be applied to pre-installation liner cutting device in colliery recovery anchor net supporting roadway |
| WO2022257864A1 (en) * | 2021-06-07 | 2022-12-15 | 河南理工大学 | Shear-resistant anchor cable support structure used for large-deformation roadway and support method |
-
2015
- 2015-09-28 CN CN201520755965.1U patent/CN205277462U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022257864A1 (en) * | 2021-06-07 | 2022-12-15 | 河南理工大学 | Shear-resistant anchor cable support structure used for large-deformation roadway and support method |
| CN114770657A (en) * | 2022-04-11 | 2022-07-22 | 大连大学 | Be applied to pre-installation liner cutting device in colliery recovery anchor net supporting roadway |
| CN114770657B (en) * | 2022-04-11 | 2024-01-23 | 大连大学 | Pre-installed liner cutting device applied to coal mine stoping anchor net supporting roadway |
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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: 20160601 Termination date: 20160928 |