CN105937403A - Flexible anchor rod - Google Patents
Flexible anchor rod Download PDFInfo
- Publication number
- CN105937403A CN105937403A CN201610396671.3A CN201610396671A CN105937403A CN 105937403 A CN105937403 A CN 105937403A CN 201610396671 A CN201610396671 A CN 201610396671A CN 105937403 A CN105937403 A CN 105937403A
- Authority
- CN
- China
- Prior art keywords
- steel strand
- nut
- strand wires
- pallet
- latch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
- E21D21/0033—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts having a jacket or outer tube
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
- E21D21/004—Bolts held in the borehole by friction all along their length, without additional fixing means
Abstract
The invention provides a flexible anchor rod. The flexible anchor rod is characterized by comprising a steel strand (1); the steel strand (1) is sleeved with a sleeve (2), a correspondingly matched nut (2a) is further arranged on the sleeve (2), a tray (3) is arranged at the position, at one side of the sleeve (2), of the steel strand (1) in a penetrating mode, and a locking plate (4) is arranged on one side of the tray (3). The flexible anchor rod has the advantages that the structure is simple, use is convenient, self strength is high, bearing performance is high, a rod body does not ratate when the nut is screwed down, locking is reliable, and slipping is avoided.
Description
Technical field:
The present invention designs the anchor pole that a kind of colliery tunnel support uses, and is exactly a kind of flexible roof bolt specifically.
Background technology:
The anchor pole product that existing colliery tunnel support uses generally uses to be made without vertical muscle spiral, there is comprcssive strength
The shortcomings such as low, weight is relatively big, can not bend, relatively costly, although and the flexible roof bolt intensity that uses steel strand wires to make is high, weight
Gently, the advantage such as flexible, length is unrestricted, but be flexible to there will be torsion phenomenon when top nut because of the body of rod, cause spiral shell
Mother cannot tighten, and the body of rod the most just cannot produce certain pretightning force, it is impossible to tunnel produces supporting timely and effectively, makes flexible anchor
Promoting the use of of bar is restricted.
Summary of the invention:
The present invention overcomes deficiency of the prior art for individual exactly, it is provided that one has simple in construction, easy to use, self-strength
Height, load is big, the flexible roof bolt device of the advantages such as during fastening nut, the body of rod does not rotates, reliable lock, non-slip.
The present invention provides techniques below scheme:
A kind of flexible roof bolt, it is characterised in that: it includes steel strand wires, is arranged with sleeve pipe, is additionally provided with on sleeve pipe on steel strand wires
The nut of corresponding matching, is equipped with pallet on the steel strand wires of sleeve pipe side, is additionally provided with one on the steel wire rope of pallet side
Latch, the circle centre position at described latch is provided with the cross section corresponding matching plum blossom-shaped through hole of and steel strand wires.
On the basis of above-mentioned art scheme, it is also possible to have a technical scheme further below:
Described latch is rectangle, and is additionally provided with the pin of and latch end face corresponding matching on pallet.
Being provided with a circular arch protruding to side on pallet, it is logical that the circle centre position of circular arch is provided with sleeve pipe corresponding matching
Hole.
Described nut is spherical crown regulation of mental activities nut, and spherical crown one end of described spherical crown regulation of mental activities nut and pallet opposite side table
Face is corresponding.
Beneficial effects of the present invention:
The present invention is compared with common bolt, flexible roof bolt, and installation is convenient, and lever strength high-bearing capacity is big, fastening nut
Time the body of rod do not rotate, can reach design torsional forces requirement, exposed junction reliable lock, non-slip, occur without spark and expose length
Spend little, do not affect the effective depth in tunnel.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the structural representation of latch 4 in the present invention；
Fig. 3 is the structural representation of the embodiment of the present invention 2.
Detailed description of the invention:
Embodiment 1:
As shown in Figure 1, 2, a kind of flexible roof bolt, it is characterised in that: it includes steel strand wires 1, does not shows on steel strand wires 1 in cooperation figure
Sleeve pipe 2 is fixed on steel strand wires 1 by the method that the Extruding spring hydraulic pressure shown press-fits.Described Extruding spring is that triangular shape is transversal
The helical spring in face.
The outer wall of sleeve pipe 2 is provided with screw thread 2b, sleeve pipe 2 is arranged with the spherical crown regulation of mental activities nut with screw thread corresponding matching
2a, it is possible to use plain nut adds the combination of spherical washer to replace spherical crown regulation of mental activities nut 2a.
Arranging one and be provided with a circular arch 3b raised up on pallet 3 at pallet 3, the circle centre position at circular arch 3b sets
Have and the through hole of sleeve pipe 2 corresponding matching, pallet 3 lower surface is the most vertically provided with the pin 3a of a column.
Described pallet 3 is located on the steel strand wires 1 of spherical crown regulation of mental activities nut 2a spherical crown side so that spherical crown regulation of mental activities nut
2a spherical crown top forms corresponding matching with the top of the circular arch 3b of pallet 3.
Arranging a rectangle latch 4, the circle centre position at described latch 4 is provided with the cross section pair of and steel strand wires 1
Plum blossom-shaped through hole 4a should be coordinated.
Described latch 4 is located on the steel strand wires 1 of pallet 3 lower surface side so that latch 4 one side surface and torr
Dish 3 lower surface fits, and described latch 4 thickness end face forms spacing cooperation with the wherein one side on pin 3a.
Work process:
The diameter of flexible roof bolt, the length made according to steel strand wires 1 first get out corresponding armature boring with jumbolter, anchoring
Boring is put in agent, and with flexible roof bolt anchored end jacking foot of hole, then with top tool, rig is coupled together with anchor pole afterbody,
Start jumbolter stirring Anchor Agent, and allow rectangle latch 4 be close to crag, after Anchor Agent reaches setting time, then will
Pin 3a on pallet 3 is stuck on the side thickness end face of rectangle latch 4, carries out spacing to rectangle latch 4, then passes through
Instrument rotates spherical crown regulation of mental activities nut 2a so that spherical crown top is pushed against the top of the circular arch 3b of pallet 3.
At this moment, owing to rectangle latch 4 is close on crag, again latch 4 is squeezed by fastening nut pallet 3
Pressure, so adding again the frictional resistance with scar, adding the pin 3a on pallet 3 and stopping that latch 4 rotates, so further
Rear latch 4 by the plum blossom-shaped through hole being enclosed within steel strand wires 1, prevents again the flexible roof bolt body of rod be made up of steel strand wires 1
Reversing, the most do not affect body of rod stress and freely stretch, such nut just can be tightened on request and reach design torque power
Embodiment 2:
As shown in Figure 2,3, a kind of flexible roof bolt, it is characterised in that: it includes steel strand wires 1, does not shows on steel strand wires 1 in cooperation figure
Sleeve pipe 2 is fixed on steel strand wires 1 by the method that the Extruding spring hydraulic pressure shown press-fits.Described Extruding spring is that triangular shape is transversal
The helical spring in face.
The outer wall of sleeve pipe 2 is provided with screw thread 2b, sleeve pipe 2 is arranged with the spherical crown regulation of mental activities nut with screw thread corresponding matching
2a, it is possible to use plain nut adds the combination of spherical washer to replace spherical crown regulation of mental activities nut 2a.
Arranging one and be provided with a circular arch 3b raised up on pallet 3 at pallet 3, the circle centre position at circular arch 3b sets
Have and the through hole of sleeve pipe 2 corresponding matching.
Described pallet 3 is located on the steel strand wires 1 of spherical crown regulation of mental activities nut 2a spherical crown side so that spherical crown regulation of mental activities nut
2a spherical crown top forms corresponding matching with the top of the circular arch 3b of pallet 3.
Arranging a rectangle latch 4, the circle centre position at described latch 4 is provided with the cross section pair of and steel strand wires 1
Plum blossom-shaped through hole 4a should be coordinated.
Described latch 4 is located on the steel strand wires 1 of pallet 3 lower surface side so that latch 4 one side surface and torr
Dish 3 lower surface fits, and described latch 4 thickness end face forms spacing cooperation with the wherein one side on pin 3a.
Work process:
The diameter of flexible roof bolt, the length made according to steel strand wires 1 first get out corresponding armature boring with jumbolter, anchoring
Boring is put in agent, and with flexible roof bolt anchored end jacking foot of hole, then with top tool, rig is coupled together with anchor pole afterbody,
Start jumbolter stirring Anchor Agent, and allow rectangle latch 4 be close to crag, after Anchor Agent reaches setting time, then lead to
Instrument of crossing rotates spherical crown regulation of mental activities nut 2a so that spherical crown top is pushed against the top of the circular arch 3b of pallet 3.
At this moment, owing to rectangle latch 4 is close on crag, again latch 4 is squeezed by fastening nut pallet 3
Pressure, so adding again the frictional resistance with scar, latch 4, by the plum blossom-shaped through hole being enclosed within steel strand wires 1, prevents again
The torsion of the flexible roof bolt body of rod being made up of steel strand wires 1, does not the most affect body of rod stress and freely stretches, and such nut just can be pressed
Requirement is tightened and is reached design torque power.
Claims (4)
1. a flexible roof bolt, it is characterised in that: it includes steel strand wires (1), is arranged with sleeve pipe (2) on steel strand wires (1), at set
It is additionally provided with the nut (2a) of corresponding matching on pipe (2), the steel strand wires (1) of sleeve pipe (2) side are equipped with pallet (3), in torr
Be additionally provided with the latch (4) of on the steel strand wires (1) of dish (3) side, the circle centre position at described latch (4) be provided with one with
Cross section corresponding matching plum blossom-shaped through hole (4a) of steel strand wires (1).
2. according to a kind of flexible roof bolt device described in claim 1, it is characterised in that: described latch (4) is rectangle,
And on pallet (3), it is additionally provided with the pin (3a) of and latch (4) end face corresponding matching.
3. according to a kind of flexible roof bolt device described in claim 1, it is characterised in that: be provided with on pallet (3) one to
The circular arch (3b) that side is protruding, the circle centre position of circular arch (3b) is provided with the through hole with sleeve pipe (2) corresponding matching.
4. according to a kind of flexible roof bolt device described in claim 1, it is characterised in that: described nut (2a) is that spherical crown is adjusted
Heart nut, and the protruding circular arch of spherical crown one end of described spherical crown regulation of mental activities nut and pallet (3) (3b side surface is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610396671.3A CN105937403A (en) | 2016-06-07 | 2016-06-07 | Flexible anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610396671.3A CN105937403A (en) | 2016-06-07 | 2016-06-07 | Flexible anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105937403A true CN105937403A (en) | 2016-09-14 |
Family
ID=57152210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610396671.3A Pending CN105937403A (en) | 2016-06-07 | 2016-06-07 | Flexible anchor rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105937403A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538266A (en) * | 2019-01-25 | 2019-03-29 | 中国矿业大学 | A kind of flexible roof bolt |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3504498A (en) * | 1968-07-26 | 1970-04-07 | Lee Triplett | Shaft securement structure |
| CN1151490A (en) * | 1995-11-02 | 1997-06-11 | 亚瑞亚·勃朗勃威力有限公司 | Screw retention device |
| CN2502009Y (en) * | 2001-11-21 | 2002-07-24 | 邢台矿业(集团)有限责任公司东庞矿多经公司 | Rapid mounting flexible anchoring-bolt |
| CN201190722Y (en) * | 2008-05-16 | 2009-02-04 | 南京立业电力变压器有限公司 | Anti-rotating positioning device for bolt |
| CN201209455Y (en) * | 2008-06-23 | 2009-03-18 | 刘立民 | Pre-stress flexible anchoring bolt body and the anchor rod |
| CN102628473A (en) * | 2012-04-26 | 2012-08-08 | 许松林 | Anti-loosing threaded fastener |
| CN202560272U (en) * | 2012-02-15 | 2012-11-28 | 于守东 | Flexible anchor pole |
| CN203730033U (en) * | 2014-03-04 | 2014-07-23 | 中国矿业大学(北京) | Flexible anchor rod |
| CN205778967U (en) * | 2016-06-07 | 2016-12-07 | 于守东 | A kind of flexible roof bolt |
-
2016
- 2016-06-07 CN CN201610396671.3A patent/CN105937403A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3504498A (en) * | 1968-07-26 | 1970-04-07 | Lee Triplett | Shaft securement structure |
| CN1151490A (en) * | 1995-11-02 | 1997-06-11 | 亚瑞亚·勃朗勃威力有限公司 | Screw retention device |
| CN2502009Y (en) * | 2001-11-21 | 2002-07-24 | 邢台矿业(集团)有限责任公司东庞矿多经公司 | Rapid mounting flexible anchoring-bolt |
| CN201190722Y (en) * | 2008-05-16 | 2009-02-04 | 南京立业电力变压器有限公司 | Anti-rotating positioning device for bolt |
| CN201209455Y (en) * | 2008-06-23 | 2009-03-18 | 刘立民 | Pre-stress flexible anchoring bolt body and the anchor rod |
| CN202560272U (en) * | 2012-02-15 | 2012-11-28 | 于守东 | Flexible anchor pole |
| CN102628473A (en) * | 2012-04-26 | 2012-08-08 | 许松林 | Anti-loosing threaded fastener |
| CN203730033U (en) * | 2014-03-04 | 2014-07-23 | 中国矿业大学(北京) | Flexible anchor rod |
| CN205778967U (en) * | 2016-06-07 | 2016-12-07 | 于守东 | A kind of flexible roof bolt |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538266A (en) * | 2019-01-25 | 2019-03-29 | 中国矿业大学 | A kind of flexible roof bolt |
| CN109538266B (en) * | 2019-01-25 | 2023-10-03 | 中国矿业大学 | Flexible anchor rod |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205778967U (en) | A kind of flexible roof bolt | |
| CN205330701U (en) | Extensible energy -absorbing anchor | |
| CN106638319A (en) | Sleeve fastening device for finish-rolled threaded reinforcing bar anchorage device | |
| CN104295308A (en) | Anchor rod drawing device and method | |
| CN210066643U (en) | Protective structure of hydraulic and hydroelectric engineering side slope | |
| CN206467574U (en) | For finish rolling deformed bar anchorage sleeve fastener | |
| CN105937403A (en) | Flexible anchor rod | |
| CN208347807U (en) | Anchor pole is locked in tensioning | |
| CN208633856U (en) | A kind of power transmission sequence base expanding and base expanding anchor pole | |
| CN204199182U (en) | A kind of head tower construction inhaul cable anchorage structure | |
| CN203682977U (en) | Tensioning jack with tightening device | |
| CN205648811U (en) | Multi -functional anti -bird thorn device | |
| CN104482007A (en) | Pin-lift bonding anchor bolt | |
| CN106837394B (en) | A kind of anti-anchor and its construction method of breaking being adapted to roadway with large deformation country rock | |
| CN204060112U (en) | Novel steel pedestal anchor bolt | |
| CN202560272U (en) | Flexible anchor pole | |
| CN201526331U (en) | Deformed steel bar for full anchoring bolt and full anchoring bolt body | |
| CN204284138U (en) | Crab-bolt planted by a kind of post rod type glue | |
| CN110578740B (en) | Prevent wood screw of plate fracture | |
| CN103422872A (en) | Anchor rod device | |
| CN203257439U (en) | Anchor rope total-length anchoring device used for coal mine soft-rock roadway | |
| CN202914476U (en) | Expansion bolt | |
| CN217810525U (en) | Prestressed deformed steel bar tensioning and locking tool | |
| CN2851699Y (en) | Fastening ring | |
| CN203499231U (en) | Integrated lift canopy frame or scaffold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160914 |
|
| RJ01 | Rejection of invention patent application after publication |