CN203702202U - Anchoring type anchor rod with two wedge-shaped ends - Google Patents
Anchoring type anchor rod with two wedge-shaped ends Download PDFInfo
- Publication number
- CN203702202U CN203702202U CN201320874428.XU CN201320874428U CN203702202U CN 203702202 U CN203702202 U CN 203702202U CN 201320874428 U CN201320874428 U CN 201320874428U CN 203702202 U CN203702202 U CN 203702202U
- Authority
- CN
- China
- Prior art keywords
- wedge
- anchor rod
- shaped
- sphenoid
- little
- 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.)
- Expired - Fee Related
Links
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model relates to a coal mine roadway support device, in particular to an anchoring type anchor rod with two wedge-shaped ends. The anchoring type anchor rod comprises an anchor rod body, wherein a big wedge-shaped body is arranged at one end of the anchor rod body, a small wedge-shaped body is close to the other end part of the anchor rod body, the tail end of the anchor rod body connected with the small wedge-shaped body is provided with threads, and a big wedge-shaped sleeve and a small wedge-shaped sleeve are respectively arranged on the big wedge-shaped body and the small wedge-shaped body. According to the anchoring type anchor rod, the small wedge-shaped body is additionally arranged close to the tail end of the anchor rod body and is matched with the small wedge-shaped sleeve, so that the anchor support force of the anchor rod is increased, and the anchor rod support activity is enhanced; when the anchor rod is loosened or the anchoring force is reduced, the rated anchoring force can be reached just by fastening a nut again, so that the problems of drilling and mounting after other anchor rods fail are avoided, and the anchor rod support quality is guaranteed; the anchoring type anchor rod is simple to operate, and multiple supports can be realized under the condition that drilling again is not needed, and thus time and labor are saved.
Description
Technical field
The utility model relates to a kind of coal mine tunnel suspension device, particularly a kind of two ends wedge-shaped anchoring bolt.
Background technology
At present, anchor pole is widely used in colliery tunnel support, and wherein more with the application of bond-anchorage type anchor pole, this type of anchor pole is made up of Anchor Agent, anchor bar body, pallet, nut.Due to coal measure strata complicated hydrogeological conditions, in Yu Fushui stratum, roadway surrounding rock many places, Anchor Agent is in use subject to the impact of formation water, and first anchor-hold or the anchor support force of anchor pole do not reach desired indicator, causes Bolt System to lose efficacy.Tunnel is in the time being subject to secondary mining influence, and bond-anchorage type anchor pole bonding is loosening, causes anchor support force to reduce and does not reach specified anchored force, affects the stability of Bolt System.In the time of roadway maintenance, the bond-anchorage type anchor pole of inefficacy needs perforating again to install.
Summary of the invention
The purpose of this utility model is to provide a kind of two ends wedge-shaped anchoring bolt, and this anchor pole uses wedge-shaped sleeve swelling anchorage style to replace Anchor Agent, avoids the anchoring because using Anchor Agent to lose efficacy to cause to lose efficacy, and the while also can strengthen anchor pole afterbody anchor support force.
Technical solution:
The utility model comprises: anchor bar body, anchor bar body one end is provided with large sphenoid, be provided with little sphenoid near the other end place, the anchor bar body end joining with little sphenoid is provided with screw thread, is furnished with respectively large wedge-shaped sleeve and little wedge-shaped sleeve on described large sphenoid and little sphenoid.
Inner conical surface angle [alpha]=3 of described large wedge-shaped sleeve and little wedge-shaped sleeve °～6 °; Large sphenoid male cone (strobilus masculinus) angle [alpha]=3 °～6 °, little sphenoid male cone (strobilus masculinus) angle beta=2 °～5 °, and α >=β.
Advantage of the present invention:
1) two ends wedge-shaped anchoring bolt is compared with common wedge-shaped anchoring bolt, close end at anchor bar body has increased little sphenoid, and coordinates with little wedge-shaped sleeve, and this has strengthened the anchor support force of anchor pole, having strengthened the initiative of bolt support, is a kind of reinforced end anchorage formula anchor bar suspension device.
2) in the time that anchor pole is loosening or anchored force declines, only need again clamp nut can reach specified anchored force, remove perforating and the installation question of other anchor poles because bringing after losing efficacy from, guarantee bolt support quality.
3) simple to operate, without again realizing repeatedly supporting under perforating mounting condition, time saving and energy saving.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
The large wedge-shaped sleeve structural representation of Fig. 2 utility model;
The little wedge-shaped sleeve structural representation of Fig. 3 utility model;
Fig. 4 the utility model scheme of installation.
The specific embodiment
See Fig. 1-3, the utility model comprises anchor bar body 1, pallet 7, nut 8, and anchor bar body 1 is the steel of 16～24 millimeters of a kind of Φ, and screw thread is processed in its one end, with little sphenoid 2 cast solids, and the other end and large sphenoid 3 cast solids; On described large sphenoid 3 and little sphenoid 2, be furnished with respectively large wedge-shaped sleeve 5 and little wedge-shaped sleeve 6.
Inner conical surface angle [alpha]=3 of described large wedge-shaped sleeve 5 and little wedge-shaped sleeve 6 °～6 °; Large sphenoid 3 male cone (strobilus masculinus) angle [alpha]=3 °～6 °, little sphenoid 2 male cone (strobilus masculinus) angle beta=2 °～5 °, and α >=β.
Fig. 4 is the embodiment that is arranged on the anchor pole 1 in mine laneway country rock, when work, first large wedge-shaped sleeve 5 is enclosed within on large sphenoid 3, then large wedge-shaped sleeve 5 is together inserted in rock pore 9 together with large sphenoid 3, arrive in hole behind precalculated position, outside 9 mouthfuls of rock pores, draw anchor bar body 1, make large sphenoid 3 produce pretightning force, less wedge-shaped sleeve 6 is inserted on little sphenoid 2, make it tightly to contact with rock pore 9 walls, concordant with 9 mouthfuls of rock pores.The interior wimble fraction of large wedge-shaped sleeve 5 and little wedge-shaped sleeve 6 has the seam of 2～4 1～3 millimeter vertically, evenly distending of large wedge-shaped sleeve 5 and little wedge-shaped sleeve 6 while being convenient to anchoring.Cover top tray 7 is rear with the nut 8 securing attachments bodies of rod 1, along with the increase of fastening force, large sphenoid 3 and little sphenoid 2 increase with the tension force of large wedge-shaped sleeve 5 and little wedge-shaped sleeve 6 respectively, simultaneously large wedge-shaped sleeve 5 and the external surface of little wedge-shaped sleeve 6 and the pressure of rock pore 9 inwalls increase, rely on the frictional force of its generation and rock pore 9 fixing, reach stop after specified anchored force fastening.
Claims (2)
1. two ends wedge-shaped anchoring bolt, comprise: anchor bar body (1), it is characterized in that, anchor bar body (1) end is provided with large sphenoid (3), be provided with little sphenoid (2) near the other end place, anchor bar body (1) end joining with little sphenoid (2) is provided with screw thread (4), is furnished with respectively large wedge-shaped sleeve (5) and little wedge-shaped sleeve (6) on described large sphenoid (3) and little sphenoid (2).
2. two ends according to claim 1 wedge-shaped anchoring bolt, is characterized in that, inner conical surface angle [alpha]=3 of large wedge-shaped sleeve (5) and little wedge-shaped sleeve (6) °～6 °; Large sphenoid (3) male cone (strobilus masculinus) angle [alpha]=3 °～6 °, little sphenoid (2) male cone (strobilus masculinus) angle beta=2 °～5 °, and α >=β.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320874428.XU CN203702202U (en) | 2013-12-30 | 2013-12-30 | Anchoring type anchor rod with two wedge-shaped ends |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320874428.XU CN203702202U (en) | 2013-12-30 | 2013-12-30 | Anchoring type anchor rod with two wedge-shaped ends |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203702202U true CN203702202U (en) | 2014-07-09 |
Family
ID=51052657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320874428.XU Expired - Fee Related CN203702202U (en) | 2013-12-30 | 2013-12-30 | Anchoring type anchor rod with two wedge-shaped ends |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203702202U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021022338A1 (en) * | 2019-08-06 | 2021-02-11 | Wasley Jason | "friction stabilizer" |
-
2013
- 2013-12-30 CN CN201320874428.XU patent/CN203702202U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021022338A1 (en) * | 2019-08-06 | 2021-02-11 | Wasley Jason | "friction stabilizer" |
| US11674391B2 (en) | 2019-08-06 | 2023-06-13 | Jason Wasley | Friction stabilizer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205117377U (en) | Gob entry driving fender is consolidated and is used slip casting anchor rope | |
| CN103422873B (en) | Strong-strength extendable anchor rod | |
| CN201835847U (en) | Ultralong anchor rod | |
| CN205370613U (en) | Utilize biliquid slip casting medicated roll to realize high prestressing force total length anchored stock | |
| CN203702202U (en) | Anchoring type anchor rod with two wedge-shaped ends | |
| CN206889003U (en) | A kind of roadway support anti-loosening anchor rod | |
| CN201835848U (en) | Extensible glass fiber reinforced plastic metal combined anchor rod | |
| CN204370418U (en) | A kind of hydraulic buckling anchor pole | |
| CN203308487U (en) | Expansion type recyclable anchor rod | |
| CN208280974U (en) | A kind of compatibility of deformation recoverable anchor rod | |
| CN204174638U (en) | Underground structure ruggedized construction | |
| CN204140107U (en) | A kind of high anchored force recoverable anchor rod | |
| CN204804863U (en) | From formula of boring joinable prestressing force slip casting stock | |
| CN204113316U (en) | A kind of interval screw rod body formula large deformation anchor rod | |
| CN205154208U (en) | Novel multi -functional stock | |
| CN203499724U (en) | Improved bracket for coal mine air-water pipelines | |
| CN205036299U (en) | Roof bolting bit | |
| CN2934577Y (en) | Recoverable screw thread anchor rod | |
| CN205349394U (en) | Coupling lets voltage -sharing shear does not have anchor bolt support system that exposes | |
| CN105649664A (en) | Connectable ultralong anchor rod | |
| CN204703935U (en) | Anchor pole is with stirring pin nut | |
| CN205225296U (en) | Novel can dismantle prestressed concrete stock | |
| CN205025478U (en) | Novel bolt installation(3) structure | |
| CN204572023U (en) | A kind of colliery tunnel support structure | |
| CN204532397U (en) | Novel belt rectangular ports stress concentrates the grouted anchor bar of limit collar |
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: 20140709 Termination date: 20161230 |