CN202348300U - Mine anchor cable - Google Patents
Mine anchor cable Download PDFInfo
- Publication number
- CN202348300U CN202348300U CN2011204789776U CN201120478977U CN202348300U CN 202348300 U CN202348300 U CN 202348300U CN 2011204789776 U CN2011204789776 U CN 2011204789776U CN 201120478977 U CN201120478977 U CN 201120478977U CN 202348300 U CN202348300 U CN 202348300U
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- China
- Prior art keywords
- anchor cable
- anchor
- shrinkage strain
- cable
- mine
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Abstract
The utility model discloses a mine anchor cable. The mine anchor cable comprises an anchor cable body which is made of stranded steel wires; the end of the exposed part of the anchor cable body is provided with a contraction distortion device; the contraction distortion device comprises a base plate; the lower part of the base plate is provided with a contraction distortion ring; the lower part of the contraction distortion ring is provided with a tray; an anchor cable lock is arranged on the lower part of the tray; and yielding grooves are formed on the circumferential surface of the outer circle of the contraction distortion ring. The tray is a tray with a groove. According to the mine anchor cable, the contraction distortion ring with the yielding grooves is used as a stressing distortion element. When wall rock of a roadway, a chamber and a tunnel is supported by using the anchor cable, the contraction distortion ring can be contracted to be distorted in the stressing direction along with the stressing of the anchor cable, so elongation of the anchor cable is improved. The elongation of the anchor cable is matched with that of the anchor rod, the conditions of matched distortion and bearing with the anchor rod can be met, the support of the anchor cable can be perfected further, and strength of wall rock is improved; and the anchor cable has a simple structure, and is convenient to operate and economic and practical.
Description
Technical field
The utility model relates to a kind of supporting of country rocks such as tunnels such as ground, geology, mine, chamber, tunnel, Mine anchorage cable that reinforcing is used of being used for, and belongs to field of engineering technology.
Background technology
Cable bolting is one of main supporting means of country rocks such as deep tunnel, chamber, tunnel; 1934; Algeria uses prestress anchorage cable first in dam engineering; Along with the appearance of high strength steel and steel wire and the development of boring and anchoring, external Anchor Cable Technique development becomes the at first measure of underground construction reinforcing rapidly.
China begins to utilize anchor cable to carry out the supporting and the reinforcing of tunnel support, geology landslide control, the dark basic chamber of building and side slope from the sixties, in well lane engineering, widely applies the anchor cable of steel hinge line processing that roadway surrounding rock is carried out supporting and reinforcing recently.
But because deep wall rock makes anchor cable and anchor pole in the deep wall rock supporting, show the defective that can not carry jointly, coordinate supporting in the heavily stressed rheological behavior that shows down, its main cause be the elongation per unit length of anchor pole and anchor cable different due to.The elongation per unit length of anchor pole is far longer than the elongation per unit length of anchor cable, has only the elongation per unit length that improves anchor cable could satisfy the condition of anchor cable and anchor pole compatible deformation, common carrying.And the elongation per unit length of steel hinge line self of processing anchor cable is lower, and the raising of himself elongation per unit length is limited, therefore designs and develops the coordination supporting that the anchor cable of high-elongation can improve mine anchor cable and anchor pole, will help further to improve cable bolting, raising country rock intensity.
The utility model content
In order to overcome the defective that existing Mine anchorage cable and anchor pole can not carry jointly, coordinate supporting; The utility model provides a kind of novel Mine anchorage cable; The elongation per unit length of this anchor cable and the elongation per unit length of anchor pole are suitable; Satisfy and anchor pole compatible deformation, common condition of carrying, help further to improve cable bolting, improve country rock intensity.
To achieve these goals, the technical scheme of the utility model is: a kind of Mine anchorage cable comprises the anchor cable body of processing with steel hinge line; The end position of said anchor cable body exposed portions serve is provided with the shrinkage strain device; Described shrinkage strain device comprises backing plate, and the shrinkage strain circle is set under the described backing plate, and the shrinkage strain circle is divided into tray; The anchor cable lockset is set under the described pallet, and said anchor cable lockset is fixed on the anchor cable body.
Further, the setting of described shrinkage strain circle outer circumference surface lets indent.
Further, described pallet upper surface is provided with groove, is the groove pallet.
Further, described backing plate is foursquare steel plate.
Further, described anchor cable lockset is made up of locking clip and snap close.
The beneficial effect of the utility model is: Mine anchorage cable adopts to have and lets the shrinkage strain circle of indent make the stress deformation element; When carrying out surrounding rock supportings such as tunnel, chamber, tunnel at anchor cable; The shrinkage strain circle can be with anchor cable stressed to letting indent carry out shrinkage strain, to improve the anchor cable elongation per unit length.The elongation per unit length of this anchor cable and the elongation per unit length of anchor pole are suitable, satisfy and anchor pole compatible deformation, common condition of carrying, and help further to improve cable bolting, improve country rock intensity.This anchor cable structure is simple, easy to operate, economical and practical.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Below in conjunction with concrete embodiment the utility model is done explanation further.
As shown in Figure 1, the Mine anchorage cable of the utility model comprises the anchor cable body of processing with steel hinge line 1, and the end position of said anchor cable body 1 exposed portions serve is provided with the shrinkage strain device, and described shrinkage strain device comprises backing plate 2, is foursquare steel plate; Described backing plate is provided with shrinkage strain circle 32 times, and described shrinkage strain circle 3 outer circumference surface settings let indent 7; Described shrinkage strain circle 3 is divided into tray 4, and pallet 4 upper surfaces are provided with groove, is the groove pallet; Described pallet is provided with the anchor cable lockset 4 times, and said anchor cable lockset is fixed on the anchor cable body 1, is made up of locking clip 5 and snap close 6.
The anchor cable of present embodiment is provided with the shrinkage strain device at 30～50cm place, end of anchor cable body 1 exposed portions serve that steel hinge line is processed; Backing plate 2, shrinkage strain circle 3, pallet 4 composition shrinkage strain devices are installed after anchor cable body 1 is squeezed in the country rock successively, locking clip 5 and snap close 6 are set under the anamorphic attachment for cinemascope.The shrinkage strain device that backing plate 2, shrinkage strain circle 3 and pallet 4 are formed contacts intact, applies the anchor cable pretightning force, and reaches ordinance load.When anchor cable is stressed; The shrinkage strain circle will produce different shrinkage strains under different pressure effects; Shrinkage strain circle 3 is iron annular ring, and iron annular ring periphery middle part is provided with and lets indent 7, to shrinkage strain circle 3 the shrinkage strain space is provided to realize that anchor cable is stressed when big.Pallet 4 is the groove pallet, and there is circular groove at the pallet middle part, after anchor cable is stressed, also can produce shrinkage strain, with the elongation per unit length of further raising anchor cable.
Operator's anchoring agent of at first in the country rock installing hole, packing into; In installing hole, squeeze into anchor cable body 1 afterwards and be rotated anchoring; Place, the end of anchor cable body 1 exposed portions serve is provided with the backing plate 2 that the center is provided with pilot hole after anchoring, and backing plate 2 and country rock surface can be contacted preferably, afterwards shrinkage strain circle 3 is installed on the anchor cable through pilot hole; And shrinkage strain circle 3 stressed contact surfaces are closely contacted with backing plate 2; Afterwards, on anchor cable body 1, pass through the centre pilot hole mount grooves pallet 4 of groove pallet 4 again, and require groove pallet 4 to contact intact with shrinkage strain circle 3 stressed contact surfaces.The centre pilot bore dia of backing plate 2 and groove pallet 4 is all greater than the diameter of anchor cable body 1, and the center of pilot hole center and shrinkage strain circle 3 pilot holes that requires backing plate 2 and groove pallet 4 after the installation is on same axis.Locking clip 5 with the anchor cable lockset is installed on the end of anchor cable exposed portions serve with snap close 6 at last, and applies pretightning force for the anchor cable body, accomplishes the installation to whole Mine anchorage cable.The Mine anchorage cable of this structure is simple in structure, easy construction, economical and practical.
The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, and every technology distortion of making according to the technical scheme of the utility model all falls within the protection domain of the utility model.
Claims (5)
1. Mine anchorage cable; Comprise the anchor cable body of processing with steel hinge line, base is characterised in that: said anchor cable body is provided with the shrinkage strain device near the position of end, and described shrinkage strain device comprises backing plate; The shrinkage strain circle is set under the described backing plate; Described shrinkage strain circle is divided into tray, and the anchor cable lockset is set under the described pallet, and said anchor cable lockset is fixed on the anchor cable body.
2. Mine anchorage cable according to claim 1 is characterized in that: the setting of described shrinkage strain circle outer circumference surface lets indent.
3. Mine anchorage cable according to claim 1 is characterized in that: described pallet upper surface is provided with groove, is the groove pallet.
4. Mine anchorage cable according to claim 1 is characterized in that: described backing plate is foursquare steel plate.
5. according to each described Mine anchorage cable of claim 1 to 4, it is characterized in that: described anchor cable lockset is made up of locking clip and snap close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204789776U CN202348300U (en) | 2011-11-28 | 2011-11-28 | Mine anchor cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204789776U CN202348300U (en) | 2011-11-28 | 2011-11-28 | Mine anchor cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202348300U true CN202348300U (en) | 2012-07-25 |
Family
ID=46537309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204789776U Expired - Fee Related CN202348300U (en) | 2011-11-28 | 2011-11-28 | Mine anchor cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202348300U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817625A (en) * | 2012-08-25 | 2012-12-12 | 永城煤电控股集团有限公司 | Anchor cable loader transporter |
| CN103244162A (en) * | 2013-05-27 | 2013-08-14 | 湖南科技大学 | Compressible base plate device and anchor cable anchorage method by device |
| CN103244161A (en) * | 2013-05-23 | 2013-08-14 | 湖南科技大学 | Yielding type backing plate device |
| CN110005459A (en) * | 2019-04-30 | 2019-07-12 | 中铁第四勘察设计院集团有限公司 | The connection structure and pressure-relieving achor bar support system of vcehicular tunnel steel band |
-
2011
- 2011-11-28 CN CN2011204789776U patent/CN202348300U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817625A (en) * | 2012-08-25 | 2012-12-12 | 永城煤电控股集团有限公司 | Anchor cable loader transporter |
| CN102817625B (en) * | 2012-08-25 | 2015-01-07 | 永城煤电控股集团有限公司 | Anchor cable loader transporter |
| CN103244161A (en) * | 2013-05-23 | 2013-08-14 | 湖南科技大学 | Yielding type backing plate device |
| CN103244162A (en) * | 2013-05-27 | 2013-08-14 | 湖南科技大学 | Compressible base plate device and anchor cable anchorage method by device |
| CN110005459A (en) * | 2019-04-30 | 2019-07-12 | 中铁第四勘察设计院集团有限公司 | The connection structure and pressure-relieving achor bar support system of vcehicular tunnel steel band |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20131128 |