CN203809027U - Active-passive expansion hook-type anchoring rod - Google Patents
Active-passive expansion hook-type anchoring rod Download PDFInfo
- Publication number
- CN203809027U CN203809027U CN201420193935.1U CN201420193935U CN203809027U CN 203809027 U CN203809027 U CN 203809027U CN 201420193935 U CN201420193935 U CN 201420193935U CN 203809027 U CN203809027 U CN 203809027U
- Authority
- CN
- China
- Prior art keywords
- expansion
- passive
- hook
- passive expansion
- sleeve
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model provides an active-passive expansion hook-type anchoring rod. The active-passive expansion hook-type anchoring rod is characterized in that a sleeve body is arranged on the outer side of a rod body in a sleeved mode, a tray and a nut are arranged at the head, the tray can transmit screwing-down force of the nut to the sleeve body and rock and earth masses on the periphery of a drilled hole, the nut is connected with the rod body through threads, and in the nut screwing-down process, the rod body will move towards the nut relative to the sleeve body. Two sleeve notches and two passive expansion wings are arranged at the tail of the sleeve body, the depths of the sleeve notches are coincident with the lengths of the passive expansion wings, active expansion supporting arcs are arranged at the positions, located on the outer side of the sleeve body, of the notch bottoms of the sleeve notches, and passive expansion wing arcs are arranged on the inner sides of the tails of the passive expansion wings. Two active expansion hooks and two passive expansion heads are arranged at the tail of the rod body, active expansion hook arcs are arranged on the inner sides of the hook heads of the active expansion hooks, the arc lengths of the active expansion hooks are coincident with the arc lengths of the sleeve notches, the radians of the active expansion hooks are coincident with the radians of the sleeve notches, the radians of the passive expansion heads are coincident with the radians of the passive expansion wings, and the maximum arc lengths of the passive expansion heads are coincident with the arc lengths of the passive expansion wings. The rod body and the sleeve body are arranged together in the sleeved mode, the sleeve notches are just filled with the active expansion hooks before the nut is screwed down, and the passive expansion heads are in contact with the passive expansion wing arcs.
Description
Affiliated technical field
The utility model patent is a kind of Rock And Soil supporting setting, and especially a kind of main quilt is moved expansion hook-type anchor pole.
Background technology
Along with the construction of increasing underground construction, it is particularly important that its supporting seems, anchor pole because of its supporting effect good, economic and practical, and as conventional support apparatus.
In order to increase the contact force of anchor pole and Rock And Soil, improve supporting effect, various dilatancy anchor poles arise at the historic moment, but dilatancy anchor pole is all passive expansion mostly, be that expansion tube is extruded while outwards moving because of countersunk head crab-bolt and expands and Rock And Soil produces friction, thereby reach anchoring effect.As publication number is: CN 103103989 A, open day is the termination intumescent recoverable anchor rod of 2013.5.15.This passive expansion fashion is because of first extrusion expansion pipe of countersunk head crab-bolt, and expansion tube self just produces friction with Rock And Soil after expanding, and requires the expenditure of energy because expansion tube self expands, the inevitable anchoring effect that reduces to a certain extent.And, after in passive expansion fashion, expansion tube expands, the inflation openings direction of expansion tube is towards boring inner side, in this case, if Rock And Soil generation moderate finite deformation, may cause the extruding force deficiency of countersunk head crab-bolt or disappear, the rubbing action of expansion tube and Rock And Soil is not enough or disappearance thereupon also.And the mode of action of expansion tube and Rock And Soil does not have other mode of action except rubbing.So when above-mentioned situation occurs, whole anchor pole can take out from boring, loses anchoring effect completely, has a strong impact on anchoring effect and safety.
Summary of the invention
The utility model provides a kind of main quilt to move expansion hook-type anchor pole, sleeve body of the present utility model is placed on body of rod body outside, be provided with pallet and nut at head, pallet can pass to nut screwing clamping power sleeve body and boring Rock And Soil around, nut is connected with body of rod body by screw thread, in the process of nut screwing clamping, the body of rod is originally known from experience relative to sleeve body and is moved to nut direction.Be provided with two sleeve pipe breach and two passive expansion wings at sleeve body afterbody, the degree of depth of described sleeve pipe breach is consistent with the length of passive expansion wing, mouth bottom at sleeve pipe breach is provided with in sleeve body outside the supporting arc that initiatively expands, and is provided with passive expansion wing arc in passive expansion wing afterbody inner side.Body of rod body afterbody is provided with two initiatively expand hook and two passive expansion-head, initiatively expanding, hook gib head inner side is provided with the hook arc that initiatively expands, arc length, the radian of hook of wherein initiatively expanding is consistent with arc length, the radian of sleeve pipe breach, and radian, the maximum arc length of passive expansion-head are consistent with radian, the arc length of passive expansion wing.Together with body of rod body is placed on sleeve body and not, before fastening nut, the hook that initiatively expands does not fill up sleeve pipe breach just, and passive expansion-head contacts with passive expansion wing arc.
The beneficial effects of the utility model are, the utility model is installed on and needs the boring of anchoring slip casting to solidify rear beginning fastening nut, in nut screwing clamping process, this cognition of the body of rod moves to nut direction with respect to sleeve body, in moving process, passive expansion-head can be pushed passive expansion wing, and passive expansion wing can start to expand and produce friction with Rock And Soil under the effect of extruding force, can make the utility model produce certain passive anchored force.Meanwhile, when body of rod body is in the time that sleeve body moves to nut direction, the hook arc that initiatively expands can contact and push with the supporting arc that initiatively expands, and the hook that initiatively expands can produce to expand and open, produce friction with Rock And Soil, can make the utility model produce again certain active anchored force.And the hook that initiatively expands is to open in the active under supporting arc squeezing action of initiatively expanding, and compares because of the extruding passive open of passive expansion-head with passive expansion wing, can produce larger frictional force and active anchored force.After initiatively expanding that being hooked in expands and opening, not only can produce frictional force with Rock And Soil, himself can be inserted in ground, hooks Rock And Soil and produces hook power, can make the utility model produce Part III anchored force.Under extreme case, Rock And Soil can produce moderate finite deformation, and the utility model also can produce certain distortion thereupon, after distortion, there is the possibility that weakens or disappear in the frictional force of passive expansion wing, but because the hook that initiatively expands has inserted Rock And Soil, can continue the anchored force that remains certain.In these cases, the utility model can all not lose efficacy, and also contributes to ensure anchoring effect and safety.
As improvement, described sleeve pipe breach, passive expansion wing, initiatively expand hook, the corresponding central angle of passive expansion-head is 90 degree, be that above-mentioned member is uniformly distributed in circumference range, passive anchored force and initiatively anchoring force rate are more balanced, contribute to strengthen compliance of the present utility model.
As improvement, sleeve body inward flange at the supporting arc place of initiatively expanding is set up compression ring, in the time that initiatively expand hook arc and the supporting arc that initiatively expands push mutually, can provide larger support force to the supporting arc that initiatively expands, contribute to improve the frictional force that initiatively expands between hook and rock mass, and contribute to improve the ability of hook insertion Rock And Soil of initiatively expanding.
Brief description of the drawings
Fig. 1 sectional drawing of the present utility model
The A-A sectional drawing of Fig. 2 Fig. 1
Fig. 3 quill mapping
The B-B sectional drawing of Fig. 4 Fig. 1 and Fig. 2
The fragmentary detail view of Fig. 5 compression ring
Specific as follows:
Body of rod body 1, injected hole 11, the hook 12 that initiatively expands, the hook arc 13 that initiatively expands, passive expansion-head 14, compression ring 15, nut 2, pallet 3, sleeve body 4, sleeve pipe breach 41, the supporting arc 42 that initiatively expands, passive expansion wing 43, passive expansion wing arc 44.
Detailed description of the invention
With reference to the accompanying drawings, sleeve body 4 of the present utility model is placed on body of rod body 1 outside, be provided with pallet 3 and nut 2 at head, pallet 3 can pass to nut 2 screwing forces sleeve body 4 and boring Rock And Soil around, nut 2 is connected with body of rod body 1 by screw thread, in the process of tightening at nut 2, body of rod body 1 can move to nut 2 directions relative to sleeve body 4.Be provided with two sleeve pipe breach 41 and two passive expansion wings 43 at sleeve body 4 afterbodys, the degree of depth of described sleeve pipe breach 41 is consistent with the length of passive expansion wing 43, mouth bottom at sleeve pipe breach 41 is provided with in sleeve body 4 outsides the supporting arc 42 that initiatively expands, and is provided with passive expansion wing arc 44 in passive expansion wing 43 afterbody inner sides.Body of rod body 1 afterbody is provided with two initiatively expand hook 13 and two passive expansion-head 14, initiatively expanding, hook 12 gib head inner sides are provided with the hook arc 13 that initiatively expands, arc length, the radian of hook 12 of wherein initiatively expanding is consistent with arc length, the radian of sleeve pipe breach 41, and radian, the maximum arc length of passive expansion-head 14 are consistent with radian, the arc length of passive expansion wing 43.Together with body of rod body 1 is placed on sleeve body 4 and not, before fastening nut, the hook 12 that initiatively expands does not fill up sleeve pipe breach 41 just, and passive expansion-head 14 contacts with passive expansion wing arc 44.
When the utility model uses, first be installed on and need the boring of anchoring slip casting to solidify rear beginning fastening nut 2, in nut 2 rundown process, body of rod body 1 can move to nut 2 directions with respect to sleeve body 4, in moving process, passive expansion-head 14 can be pushed passive expansion wing 43, and passive expansion wing 43 can start to expand and produce friction with Rock And Soil under the effect of extruding force, can make the utility model produce certain passive anchored force.Meanwhile, when body of rod body 1 is in the time that sleeve body 4 moves to nut 2 directions, the hook arc 13 that initiatively expands can contact and push with the supporting arc 42 that initiatively expands, and the hook 12 that initiatively expands can produce to expand to be opened, produce friction with Rock And Soil, can make the utility model produce again certain active anchored force.And the hook 12 that initiatively expands is to open in the active under supporting arc 42 squeezing actions of initiatively expanding, and compares because of the extruding passive open of passive expansion-head 14 with passive expansion wing 43, can produce larger frictional force and active anchored force.Initiatively expand hook 12 after expansion is opened, not only can produce frictional force with Rock And Soil, himself can be inserted in ground, hooks Rock And Soil and produces hook power, can make the utility model produce Part III anchored force.Under extreme case, Rock And Soil can produce moderate finite deformation, and the utility model also can produce certain distortion thereupon, after distortion, there is the possibility that weakens or disappear in the frictional force of passive expansion wing 43, but because the hook 12 that initiatively expands has inserted Rock And Soil, can continue the anchored force that remains certain.In these cases, the utility model can all not lose efficacy, and also contributes to ensure anchoring effect and safety.Sleeve body 4 inward flanges at supporting arc 42 places of initiatively expanding are set up compression ring 15, in the time that initiatively expand hook arc 13 and the supporting arc 42 that initiatively expands push mutually, can provide larger support force to the supporting arc 42 that initiatively expands, contribute to improve the frictional force that initiatively expands between hook 12 and rock mass, and contribute to the raising hook 12 that initiatively expands to insert the ability of Rock And Soil.
Claims (3)
1. the moving expansion hook-type anchor pole of main quilt, it is characterized in that: sleeve body (4) is placed on body of rod body (1) outside, be provided with pallet (3) and nut (2) at head, nut (2) is connected with body of rod body (1) by screw thread, be provided with two sleeve pipe breach (41) and two passive expansion wings (43) at sleeve body (4) afterbody, the degree of depth of described sleeve pipe breach (41) is consistent with the length of passive expansion wing (43), mouth bottom at sleeve pipe breach (41) is provided with the supporting arc that initiatively expands (42) in sleeve body (4) outside, be provided with passive expansion wing arc (44) in passive expansion wing (43) afterbody inner side, body of rod body (1) afterbody is provided with two initiatively expand hook (12) and two passive expansion-head (14), be provided with in the hook that initiatively expands (12) gib head inner side the hook arc (13) that initiatively expands, arc length, the radian of hook (12) of wherein initiatively expanding is consistent with arc length, the radian of sleeve pipe breach (41), and radian, the maximum arc length of passive expansion-head (14) are consistent with radian, the arc length of passive expansion wing (43).
2. the moving expansion hook-type anchor pole of a kind of main quilt as claimed in claim 1, is characterized in that: described sleeve pipe breach (41), passive expansion wing (43), initiatively expand hook (12), the corresponding central angle of passive expansion-head (14) is 90 degree.
3. the moving expansion hook-type anchor pole of a kind of main quilt as claimed in claim 1, is characterized in that: sleeve body (4) inward flange of locating at the supporting arc that initiatively expands (42) is also provided with compression ring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420193935.1U CN203809027U (en) | 2014-04-21 | 2014-04-21 | Active-passive expansion hook-type anchoring rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420193935.1U CN203809027U (en) | 2014-04-21 | 2014-04-21 | Active-passive expansion hook-type anchoring rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203809027U true CN203809027U (en) | 2014-09-03 |
Family
ID=51447798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420193935.1U Withdrawn - After Issue CN203809027U (en) | 2014-04-21 | 2014-04-21 | Active-passive expansion hook-type anchoring rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203809027U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939119A (en) * | 2014-04-21 | 2014-07-23 | 山东科技大学 | Active-passive expansion hook type anchor rod |
-
2014
- 2014-04-21 CN CN201420193935.1U patent/CN203809027U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939119A (en) * | 2014-04-21 | 2014-07-23 | 山东科技大学 | Active-passive expansion hook type anchor rod |
| CN103939119B (en) * | 2014-04-21 | 2016-03-02 | 山东科技大学 | A kind of main passive expansion hook-type anchor pole |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109184767B (en) | Tension expansion type hollow grouting anchor rod structure | |
| US3065659A (en) | Expansion bolt | |
| CN204591320U (en) | A kind of anchoring of expansion automatically tooth post anchor pole | |
| CN204457826U (en) | A kind of expansion antiskid anchor pole | |
| CN105934591A (en) | Post-installed anchor, post-installed anchor implementation method, post-installed anchor system and rotation-stopping tool | |
| CN103967418A (en) | Reamer bit and anchoring method for anchor rod | |
| CN202391892U (en) | Combined hanging anchor bolt | |
| CN104818723A (en) | Anti-sliding pile for slope support | |
| CN203809027U (en) | Active-passive expansion hook-type anchoring rod | |
| CN207687141U (en) | Internal expansion type Multisection expansion bolt | |
| CN110566257B (en) | Flexible anchor rod | |
| CN113622623A (en) | Screw-in back bolt and panel installation method thereof | |
| CN207261027U (en) | A kind of Novel threaded anchor pole hangnail device | |
| CN103696792A (en) | Multi-stage conical synchronous expansion anchor rod | |
| CN203784049U (en) | Locking type expansion bolt | |
| CN203962011U (en) | A kind of rock bolt of segmentation anchoring | |
| CN207879800U (en) | The anti-de- plug of one kind | |
| CN204663556U (en) | A kind of resin anchoring agent push away resistive fastening devices | |
| CN103939119A (en) | Active-passive expansion hook type anchor rod | |
| CN204082188U (en) | A kind of extruding, friction-type energy-absorption anchor rod | |
| CN201851448U (en) | Inverted stubble expansion bolt | |
| CN203730032U (en) | Expansion anchor rod capable of inversely hooking surrounding rock | |
| CN203189456U (en) | Plastic expansion head | |
| CN206495421U (en) | It is anti-to burst out anchorage | |
| CN204831044U (en) | It tightly fills in formula detonator big gun line fixing device to rise |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140903 Effective date of abandoning: 20160302 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |