CN101487396B - Statically indeterminate equal-strength support anchor cable locking mechanism and method - Google Patents
Statically indeterminate equal-strength support anchor cable locking mechanism and method Download PDFInfo
- Publication number
- CN101487396B CN101487396B CN2009100251422A CN200910025142A CN101487396B CN 101487396 B CN101487396 B CN 101487396B CN 2009100251422 A CN2009100251422 A CN 2009100251422A CN 200910025142 A CN200910025142 A CN 200910025142A CN 101487396 B CN101487396 B CN 101487396B
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- China
- Prior art keywords
- anchor cable
- tube
- bowl
- lock sleeve
- anchor
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- Expired - Fee Related
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000011435 rock Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 claims description 2
- 230000032798 delamination Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The invention relates to statical indetermination equal-strength support anchor cable locking mechanism and a method thereof; the mechanism comprises a cylindrical bowl with a dished bottom, a lock sleeve arranged in the cylindrical bowl and clamping an anchor cable, and a spring arranged under the lock sleeve; the matching surface of the lock sleeve and the cylindrical bowl is a conical surface, and the lock sleeve is formed by the combination of four conical blocks. The cylindrical bowl, the lock sleeve and the spring of the anchor cable locking mechanism are sequentially sheathed on the anchor cable which is fixed by a stirring cartridge, the anchor cable pressed in the lock sleeve with the four conical blocks is divided and tightened along four directions so as to be connected with other anchor rods or anchor cables in the support, and when the anchor cable is broken in the high-stress area, as the lock sleeve arranged in the cylindrical bowl tightly wedges the anchor cable supported in the terrane, the top plate is prevented from delamination and collapse, the support force is greatly improved, and the safety of the underground personnel is effectively guaranteed; and the mechanism has simple structure, easy manufacturing technique, convenient use, reliable performance, good effect, and wide practicability to deep support.
Description
Technical field
The present invention relates to the rock strata support field, especially a kind of statically indeterminate equal-strength support anchor cable locking mechanism and method that is applicable to the rock stratum high stress areas.
Background technology
Along with dark increasing is adopted in the colliery, press on ground and sharply increase is pressed in the ore deposit, common anchor rete cord supporting failure phenomenon occurs in a lot of high stress areas, even take place because support anchor rod is cut off or the anchor cable part is broken, and roof delamination collapses and falls to injuring by a crashing object personnel's incident.In order to solve the generation of this type of incident, guarantee underground labour's safety, must solve the partly disconnected thigh of supporting stream line and cause the decline of anchor cable pretightning force to cause roof delamination and the problem that collapses and.
Summary of the invention
The objective of the invention is to overcome the problem that exists in the prior art, a kind of simple in structure, easy to use, dependable performance is provided, can realizes the high stress areas tunnel is carried out the statically indeterminate equal-strength support retaining mechanism and the method for effective support.
Statically indeterminate equal-strength support anchor cable locking mechanism of the present invention: by the tube bowl at the disk-shaped end, be located to clamp in the tube bowl and constitute by the lock tube of the anchor cable of steel wire strand combination and the spring that is located at the lock tube below, lock tube is the conical surface with the fitting face of tube bowl, and lock tube is combined by pintongs awl piece.
Statically indeterminate equal-strength support anchor cable locking method of the present invention: tube bowl, lock tube, the spring of anchor cable locking mechanism be enclosed within successively be stirred on the anchor cable that powder stick fixes, the anchor cable share split that is pressed in the pintongs awl piece lock tube is strained along four direction, link with other anchor pole or anchor cable in the supporting.
Beneficial effect of the present invention: owing to adopted tube bowl, lock tube and spring supporting anchorage cable retaining mechanism at the place, aperture, rock stratum that anchor cable is come in and gone out, cable bolting power is improved greatly, especially when high stress areas anchor cable occurs and is broken, owing to be located at lock tube in the tube bowl with the anchor cable of supporting in rock stratum wedging tightly, guaranteed that top board can not collapse by absciss layer, effectively guaranteed underground work personnel's safety, and provide favourable opportunity in time strengthening cable bolting.It is rational in infrastructure simple, and manufacture technology is easy, easy to use, dependable performance, effective, and the deep supporting is had practicality widely.
Description of drawings
Fig. 1 is a structural front view of the present invention.
Fig. 2 is a structure vertical view of the present invention.
Among the figure: 1-anchor cable, 2-tube bowl, 3-lock tube, 4-spring, 5-cylindrical hole, 6-bellmouth.
The specific embodiment
Below in conjunction with accompanying drawing one embodiment of the present of invention are further described:
Shown in Figure 1, supporting anchorage cable retaining mechanism of the present invention mainly is made of the tube bowl 2 at the disk-shaped end, lock tube 3 and the spring 4 clamped by the anchor cable 1 of steel wire strand combination, have cylindrical hole 5 in tube bowl 2 bottom through-holes at the disk-shaped end, cylindrical hole 5 tops have bellmouth 6, lock tube 3 is combined by pintongs awl piece, and lock tube 3 is located in the tube bowl 2, matches with bellmouth 6 in the tube bowl 2, spring 4 is located in the cylindrical hole 5 in the tube bowl 2, withstands on the bottom of lock tube 3.
Supporting anchorage cable locking method of the present invention: wait anchor cable 1 and powder stick to push and bore in the good hole and after stirring end with the anchor cable rig, tube bowl 2 with anchor cable locking mechanism, lock tube 3, spring 4 is enclosed within successively and has been stirred on the fixing anchor cable 1 of powder stick, the tube bowl 2 at the disk-shaped end is fastened in the entrance, rock stratum, begin to apply pretightning force to regulation numerical value by existing rules, to be pressed on the steel strand by the anchor cable 1 of steel wire strand combination in the pintongs awl piece lock tube 3 then splits and is divided into four parts, every part steel wire is close to the chassis of exposing of tube bowl 2, stretch along four direction, guarantee that steel wire that each direction stretches all is located at the middle part of lock tube 3 fixture blocks, then being connected fastening with adjacent other anchor cable or anchor pole is one protecting wire net.
Claims (2)
1. statically indeterminate equal-strength support anchor cable locking mechanism, it is characterized in that: mechanism mainly is made of the tube bowl (2) at the disk-shaped end, the lock tube (3) of clamping the anchor cable (1) that is made up by steel wire strand and spring (4), have cylindrical hole (5) in tube bowl (2) bottom through-hole at the disk-shaped end, cylindrical hole (5) top has bellmouth (6), lock tube (3) is combined by pintongs awl piece, lock tube (3) is located in the tube bowl (2), match with the bellmouth (6) in the tube bowl (2), spring (4) is located in the interior cylindrical hole (5) of tube bowl (2), withstands on the bottom of lock tube (3).
2. statically indeterminate equal-strength support anchor cable locking method of retaining mechanism according to claim 1, it is characterized in that: earlier with anchor cable (1) and powder stick with the anchor cable rig push bore in the good hole also stirring end after, again with the tube bowl (2) of anchor cable locking mechanism, lock tube (3), spring (4) is enclosed within successively and has been stirred on the fixing anchor cable (1) of powder stick, the tube bowl (2) at the disk-shaped end is fastened in the entrance, rock stratum, begin to apply pretightning force to regulation numerical value by existing rules, to be pressed on the steel strand by the anchor cable (1) of steel wire strand combination in the pintongs awl piece lock tube (3) then splits and is divided into four parts, every part steel wire is close to the chassis of exposing of tube bowl (2), stretch along four direction, guarantee that steel wire that each direction stretches all is located at the middle part of lock tube (3) fixture block, then being connected fastening with adjacent other anchor cable or anchor pole is one protecting wire net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100251422A CN101487396B (en) | 2009-02-16 | 2009-02-16 | Statically indeterminate equal-strength support anchor cable locking mechanism and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100251422A CN101487396B (en) | 2009-02-16 | 2009-02-16 | Statically indeterminate equal-strength support anchor cable locking mechanism and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101487396A CN101487396A (en) | 2009-07-22 |
| CN101487396B true CN101487396B (en) | 2011-08-10 |
Family
ID=40890441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100251422A Expired - Fee Related CN101487396B (en) | 2009-02-16 | 2009-02-16 | Statically indeterminate equal-strength support anchor cable locking mechanism and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101487396B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535461A (en) * | 2012-03-12 | 2012-07-04 | 陶德明 | Lock device for pressure dispersive type detachable anchor cable |
| CN102606181B (en) * | 2012-03-19 | 2014-08-20 | 中国矿业大学 | Hyperstatic scour prevention four-dimensional roadway support device and support method thereof |
| CN104594928B (en) * | 2014-12-31 | 2017-05-03 | 中国矿业大学 | Four-dimensional support large deformation anchor rod |
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2009
- 2009-02-16 CN CN2009100251422A patent/CN101487396B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101487396A (en) | 2009-07-22 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20110810 Termination date: 20180216 |