CN206352511U - One kind expansion high resistant recoverable anchor rod - Google Patents
One kind expansion high resistant recoverable anchor rod Download PDFInfo
- Publication number
- CN206352511U CN206352511U CN201720011201.0U CN201720011201U CN206352511U CN 206352511 U CN206352511 U CN 206352511U CN 201720011201 U CN201720011201 U CN 201720011201U CN 206352511 U CN206352511 U CN 206352511U
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- CN
- China
- Prior art keywords
- expansion tube
- expansion
- pallet
- tube
- anchor
- 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
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Abstract
High resistant recoverable anchor rod is expanded the utility model discloses one kind, including anchor pole, expansion tube and pallet, the expansion tube is sleeved on anchor pole and is connected with spiral thread on anchor bolt, expansion tube top is arranged with pallet, spring washer, clamp nut successively from top to bottom on outer ring, pallet is fixed on expansion tube with clamp nut, along its length provided with some groovings, the tube wall of grooving insertion expansion tube on the outer ring of expansion tube bottom.The expansive force that the utility model is produced when being loaded into expansion tube using anchor pole closely contacts expansion tube with country rock, and it is raised provided with resistance is increased on the outer wall of expansion tube bottom, increase the raised rock mass with around the embedded expansion tube of the increase of expansive force of resistance, the resistance of expansion tube and country rock can be increased, to reach more preferable anchoring effect, anchor bar body can also easily be taken out when country rock no longer needs anchoring, now, the expansive force of expansion tube just reduces, expansion tube is can be taken off, the purpose for reclaiming anchor pole is reached.
Description
Technical field
The utility model is related to anchor rod anchored field, more particularly to a kind of expansion high resistant recoverable anchor rod.
Background technology
The region that the Geotechnical Engineering such as mining area, tunnel, side slope field is related to generally is reinforced using anchor pole at present, is being reinforced
During country rock, anchor hole is bored on country rock body first, resin anchoring agent is then filled in into anchor hole, then anchor pole is inserted into anchor hole, it is quick to turn
Dynamic anchor pole causes the inside and outside medicament of resin anchoring agent sufficiently uniformly to mix, and reaches and is anchored at anchor pole and the country rock on anchor pole periphery
Purpose together.Mode using anchor pole and resin anchoring agent anchoring country rock body has end anchorage and full length fastening, this anchoring
Mode is it cannot be guaranteed that medicament is sufficiently mixed, so slip accident easily occurs in the case of undercompounding.
There is slip casting anchorage style in addition, this kind of mode is exactly the slip casting into hole after anchor pole is put into anchor hole, utilizes slurry
Solidification cementation anchor country rock, reach the purpose of anchoring country rock;The anchoring time needed for slip casting anchoring is long, constructs cumbersome.
Pallet is housed in the outer end of anchoring, the effect of pallet is that the pulling force of anchor rod body is passed into country rock, just anchor-hold is produced, while can
The pressure transmission that country rock is produced produces working resistance, country rock is reinforced jointly to anchor pole itself.Existing pallet due to size too
Small, self-strength is too low, and the supporting scope to country rock is too small, pallet will be made to deform when pressure from surrounding rock is excessive, caused
Pallet loses due effect.
The content of the invention
In order to solve the above-mentioned technical problem, a kind of simple in construction, anchoring effect of the utility model offer is good, applied widely
Expansion high resistant recoverable anchor rod.
The technical scheme that the utility model solves the above problems is:One kind expansion high resistant recoverable anchor rod, including it is anchor pole, swollen
Tube expansion and pallet, the expansion tube are sleeved on anchor pole and are connected with spiral thread on anchor bolt, on the outer ring of expansion tube top from top to bottom according to
Secondary to be arranged with pallet, spring washer, clamp nut, pallet is fixed on expansion tube with clamp nut, on the outer ring of expansion tube bottom
Along its length provided with some groovings, the tube wall of grooving insertion expansion tube.
In above-mentioned expansion high resistant recoverable anchor rod, the expansion tube bottom is provided with multiple Zeng Zu mechanisms, each Zeng Zu mechanisms
Increase that resistance is raised including 4,4 increase resistance projection and are laid in a ring in expansion pipe outer wall, multiple Zeng Zu mechanisms are from top to bottom successively
It is laid on expansion tube.
In above-mentioned expansion high resistant recoverable anchor rod, the grooving is located at adjacent in each Zeng Zu mechanisms two and increases resistance projection
Between, the quantity of grooving is 4 and is laid in a ring on expansion tube wall.
In above-mentioned expansion high resistant recoverable anchor rod, the resistance projection that increases is up big and down small wedge structure.
In above-mentioned expansion high resistant recoverable anchor rod, the pallet top is provided with 4 reinforcements.
The beneficial effects of the utility model are:
1st, expansion tube is sleeved on anchor pole and is connected with spiral thread on anchor bolt by the utility model, it is possible to use anchor pole is loaded into swollen
The expansive force produced during tube expansion closely contacts expansion tube with country rock, and expansion tube bottom is swollen to ensure provided with four groovings
Tube expansion can successfully expand when anchor bar body loads;And it is raised provided with resistance is increased on the outer wall of expansion tube bottom, increase resistance it is raised with
The rock mass around the embedded expansion tube of increase of expansive force, by increasing capacitance it is possible to increase the resistance of expansion tube and country rock, to reach preferably
Anchoring effect, can also easily take out anchor bar body when country rock no longer needs anchoring, now, the expansive force of expansion tube just subtracts
It is small, you can to take out expansion tube, reach the purpose for reclaiming anchor pole.
2nd, the utility model suitably increases the pallet dimension of anchor pole, can be to enclosing in larger scope around anchor hole mouthful
Rock is reinforced, it is contemplated that the intensity of pallet, and four reinforcements are added on the outside of pallet to ensure pallet in anchoring mesopodium
Enough intensity.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the overlooking the structure diagram of pallet.
Fig. 3 is the I-I sectional views in Fig. 1.
Fig. 4 is Fig. 1 top view.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As Figure 1-Figure 4, the utility model includes anchor pole 1, expansion tube 2, clamp nut 3, pallet 4, Zeng Zu mechanisms, institute
State expansion tube 2 to be sleeved on anchor pole 1 and be threadedly coupled with anchor pole 1, the top of anchor pole 1 is extend out to outside expansion tube 2, the top of expansion tube 2
It is arranged with pallet 4, spring washer 6, clamp nut 3 on outer ring successively from top to bottom, pallet 4 is fixed on expansion with clamp nut 3
On pipe 2, for enhancing anchoring effect, the size of pallet 4 is increased, while being the enough anchoring strengths of guarantee pallet 4, in pallet 4
Top is provided with 4 reinforcements 7, the bottom outer ring of expansion tube 2 along its length provided with 4 groovings 8, the insertion expansion tube 2 of grooving 8
Tube wall, for ensure expansion tube 2 anchor pole 1 radial direction external support force effect under successfully expand.
The bottom of expansion tube 2 is provided with 3 Ge Zengzu mechanisms, and each Zeng Zu mechanisms include 4 and increase resistance projection 5, increase resistance projection 5
For up big and down small wedge structure, 4 increase resistance projection 5 and are laid in a ring on the outer wall of expansion tube 2,3 Ge Zengzu mechanisms from it is lower to
On be laid in successively on expansion tube 2, the quantity of grooving 8 is 4 and is laid in a ring on the tube wall of expansion tube 2, every grooving 8
In each Zeng Zu mechanisms between adjacent two increasing resistance projections 5.
Operation principle of the present utility model is:First expansion tube 2 is loaded in the anchor hole spudded in, then by anchor pole 1
Load expansion tube 2, effect of the projection 5 in radial direction external support force is hindered in the increasing during the loading expansion tube 2 of anchor pole 1 on expansion tube 2
In the rock of lower embedded anchor hole wall, then pallet 4 is installed to the tail end of anchor pole 1(Top is illustrated as in figure), continue to loosen dynamic
Spring washer 6 is installed, and is finally fixed spring washer 6 and pallet 4 with clamp nut 3., first will be tight when anchor pole 1 is reclaimed
Gu nut 3 is removed, then spring washer 6 and pallet 4 are removed, then anchor pole 1 is screwed out, now to lose footpath outside for expansion tube 2
Increasing resistance projection 5 on the effect of support force, expansion tube 2 just inwardly receive by footpath, is exited out of anchor hole wall rock mass, now expansion tube 2 loses
Big frictional resistance, you can easily take out expansion tube 2, is finally reached the purpose of the recovery of anchor pole 1.
The utility model to country rock when anchoring, it is not necessary to slip casting is carried out to anchor hole or using resin explosive roll enhancing friction resistance
Power, construction more facilitates, and more saves the time, improves the anchoring efficiency to rock mass, enhance anchoring effect, it is adaptable to mine
The reinforcing engineering of all kinds of ground classes such as tunnel, vcehicular tunnel and slope of highway.
Claims (5)
1. one kind expansion high resistant recoverable anchor rod, it is characterised in that:Including anchor pole, expansion tube and pallet, the expansion tube suit
It is connected on anchor pole and with spiral thread on anchor bolt, expansion tube top is arranged with pallet, spring washer, fastening successively from top to bottom on outer ring
Nut, pallet is fixed on expansion tube with clamp nut, along its length provided with some groovings on the outer ring of expansion tube bottom,
The tube wall of grooving insertion expansion tube.
2. expansion high resistant recoverable anchor rod according to claim 1, it is characterised in that:The expansion tube bottom is provided with multiple
Zeng Zu mechanisms, each Zeng Zu mechanisms include 4 and increase resistance projection, and 4 increase resistance projection and are laid in a ring in expansion pipe outer wall, multiple
Zeng Zu mechanisms are laid on expansion tube successively from top to bottom.
3. expansion high resistant recoverable anchor rod according to claim 2, it is characterised in that:The grooving is located at each increasing resistance machine
Between adjacent two increasing resistances are raised in structure, the quantity of grooving is 4 and is laid in a ring on expansion tube wall.
4. expansion high resistant recoverable anchor rod according to claim 2, it is characterised in that:The resistance projection that increases is up big and down small
Wedge structure.
5. expansion high resistant recoverable anchor rod according to claim 1, it is characterised in that:The pallet top adds provided with 4
Strengthening tendons.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720011201.0U CN206352511U (en) | 2017-01-05 | 2017-01-05 | One kind expansion high resistant recoverable anchor rod |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720011201.0U CN206352511U (en) | 2017-01-05 | 2017-01-05 | One kind expansion high resistant recoverable anchor rod |
Publications (1)
Publication Number | Publication Date |
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CN206352511U true CN206352511U (en) | 2017-07-25 |
Family
ID=59348176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201720011201.0U Expired - Fee Related CN206352511U (en) | 2017-01-05 | 2017-01-05 | One kind expansion high resistant recoverable anchor rod |
Country Status (1)
Country | Link |
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CN (1) | CN206352511U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109869394A (en) * | 2019-04-10 | 2019-06-11 | 罗定市麟千五金科技有限公司 | Setscrew |
CN110206573A (en) * | 2019-04-10 | 2019-09-06 | 广东工业大学 | A kind of multifunctional expanded formula recoverable anchor rod |
CN111577358A (en) * | 2020-03-27 | 2020-08-25 | 铜陵市弘润机电有限责任公司 | Expansion anchor rod |
CN112879058A (en) * | 2021-01-21 | 2021-06-01 | 北京科技大学 | Radial internal expansion resistance-increasing anchor rod cable supporting device and method |
-
2017
- 2017-01-05 CN CN201720011201.0U patent/CN206352511U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109869394A (en) * | 2019-04-10 | 2019-06-11 | 罗定市麟千五金科技有限公司 | Setscrew |
CN110206573A (en) * | 2019-04-10 | 2019-09-06 | 广东工业大学 | A kind of multifunctional expanded formula recoverable anchor rod |
CN111577358A (en) * | 2020-03-27 | 2020-08-25 | 铜陵市弘润机电有限责任公司 | Expansion anchor rod |
CN112879058A (en) * | 2021-01-21 | 2021-06-01 | 北京科技大学 | Radial internal expansion resistance-increasing anchor rod cable supporting device and method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170725 Termination date: 20200105 |
|
CF01 | Termination of patent right due to non-payment of annual fee |