CN108457684A - One kind can extend anchor pole - Google Patents
One kind can extend anchor pole Download PDFInfo
- Publication number
- CN108457684A CN108457684A CN201810198898.6A CN201810198898A CN108457684A CN 108457684 A CN108457684 A CN 108457684A CN 201810198898 A CN201810198898 A CN 201810198898A CN 108457684 A CN108457684 A CN 108457684A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- anchor
- anchor pole
- extension
- rubber ring
- 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
- 230000000694 effects Effects 0.000 claims abstract description 8
- 230000001186 cumulative effect Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000007373 indentation Methods 0.000 claims description 4
- 239000011435 rock Substances 0.000 abstract description 47
- 238000006073 displacement reaction Methods 0.000 abstract description 16
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D21/0053—Anchoring-bolts in the form of lost drilling rods
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D21/0046—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts formed by a plurality of elements arranged longitudinally
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D21/0073—Anchoring-bolts having an inflatable sleeve, e.g. hollow sleeve expanded by a fluid
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention, which provides one kind, can extend anchor pole, and the anchor rod body includes the extension for connecting anchor tail;The extension is with anchor tail sleeve equipped with the extension device that can be moved relative to the body of rod, the extension device includes sleeve and rubber ring, sleeve includes the movable end that can be used to relatively move with the body of rod, rubber ring is located at sleeve movable end tail portion, and rubber ring inner headed face is tightly attached to extension periphery, the activity of rubber ring to be limited to the axial linear movement between sleeve movable end and anchor tail;Anchor pole further includes pallet, and pallet is mounted at sleeve.Beneficial effects of the present invention are embodied in, and when extending the setting of device and realizing that certain deformation occurs for country rock, rock-bolt length is extended, and deformation energy in country rock is made to be released, and increases the working resistance of anchor pole, maintains the stabilization of country rock again;Sleeve movable end is equipped with extension rubber ring, realizes that country rock deforms time delay growth device therewith with body of rod generation relative displacement to which suitable for surrounding rock deforms.
Description
Technical field
The present invention relates to the protective equipment technologies of civil engineering, and in particular to one kind can extend anchor pole, can be applied to tunnel,
The support engineerings such as side slope
Background technology
Anchorage technology in geotechnical engineering is reinforced to rock mass using anchor pole or anchor cable, it fully plays Rock And Soil
The stabilizing power of itself is that a kind of to disturb small, speed of application to protolith fast, safe and reliable and be cost-effective reinforcement technique.
Anchor pole can actively reinforce Rock And Soil, effectively control its deformation, prevent the fall damage of Rock And Soil, bolt support technology it is many excellent
More property makes bolt support technology have become the main support pattern in geotechnical engineering field.
However, as deep tunnel or deep laneway surrounding rock potential deformation can be very big, under country rock condition of high ground stress, usually table
The characteristics of revealing " large deformation " is embodied in soft rock large deformation, rock burst large deformation, impact large deformation, Gas Outburst large deformation.
And anchor rod ultimate tensile elongation in the prior art is small, when larger deformation occurs for underground engineering wall rock, anchor pole tends not to
It is applicable in the large deformation of country rock and the destructions such as anchor head fails, anchor pole is broken occurs, and then cause the accidents such as landslide, roof fall, or even make
At the forfeiture of underground engineering function.Anchor pole itself inflexibility, with country rock frictional force it is small etc. due to, cannot reach ideal
Anchoring effect.When surrouding rock deformation gradually increases, due to common bolt extensional rigidity is big, shear resistance is poor, cannot provide
Enough flexible deformations eventually lead to the branch such as anchor pole the problems such as generating anchor pole and country rock pulls, anchor pole is pulled off, tray failure
Equipment failure is protected, unpredictable damage is brought to engineering, serious accident perhaps can be caused when serious.
Since the rate elongation of anchor pole reinforcing bar itself is low, small deformation occurs under limit stress and is just possible to be pulled off,
And anchor pole is once pulled off, then entire Bolt System will fail.Therefore, to avoid the generation of above-mentioned geological disaster, such as
What provide one kind can when country rock deforms, can in a certain range suitable for surrounding rock deformation anchor pole, so that it is played good
Supporting effect is the important technological problems for needing to solve.
Invention content
For problems of the prior art, the technical problem to be solved in the invention, which is to provide one kind, can extend anchor
Bar can be improved the ability of anchor pole suitable for surrounding rock deformation, avoid anchor pole from failing, to be provided with when country rock finds to deform
The suspension roof support of effect.
The technical scheme is that anchor pole can be extended by providing one kind, the anchor rod body includes the extension for connecting anchor tail
Section;For the extension with anchor tail sleeve equipped with the extension device that can be moved relative to the body of rod, the extension device includes sleeve and rubber
Ring, sleeve include the movable end that can be used to relatively move with the body of rod, and rubber ring is located at sleeve movable end tail portion, and rubber ring inner circle
Extension periphery is tightly attached in face, the activity of rubber ring is limited to the fortune of the axial straight line between sleeve movable end and anchor tail
It is dynamic;The anchor pole further includes pallet, and pallet is mounted at sleeve, and pallet is pressed on anchor pole in anchor rod anchored finish and inserts
The palisades entered.
Preferred embodiment, the sleeve movable end are the hollow cylinder structure of a trepanning, the hole internal diameter and shank diameter phase
Deng sleeve movable end tail portion is tightly attached in the rubber ring front end, and rubber ring periphery is tightly attached to the sleeve inner headed face.
Preferred embodiment, the extension diameter are cumulative along anchor tail direction.
Preferred embodiment, the rubber ring inner headed face are equipped with indentation.
Preferred embodiment, the extension periphery are equipped with protrusion structure.
The bearing capacity of preferred embodiment, the protrusion structure is cumulative to anchor tail direction along the extension.
Preferred embodiment, the protrusion structure are screw thread.
Preferred embodiment, the protrusion structure are the cyclic annular column structure along the body of rod periphery.
Preferred embodiment, the anchor tail are cylindrical structure, and the cylindrical structure diameter is more than the sleeve activity stomidium
Internal diameter.
Preferred embodiment, the sleeve other end are equipped with capping.
Preferred embodiment, the sleeve include regulating device, to adjust anchor rod anchored rear distance of the pallet between palisades.
Preferred embodiment, the tray bottom are equipped with the through-hole being adapted to the sleeve outer diameter;The regulating device includes spiral shell
Mother, the sleeve are equipped with the screw thread being adapted to the nut, and in when screwing end state, pallet is pressed on described the nut
The palisades that anchor pole is inserted into.
Beneficial effects of the present invention are embodied in, and anchor pole can be extended by providing one kind, and when country rock finds to deform, anchor pole can be improved
The ability of suitable for surrounding rock deformation, avoids anchor pole from failing, to provide effective suspension roof support.By extending setting for device
It sets, realizes that the length of anchor pole is extended, and so that the deformation energy in country rock is released, anchor pole when certain deformation occurs for country rock
After extension, the working resistance of anchor pole can be increased, maintain the stabilization of country rock again;The sleeve movable end and extension rubber
Ring is equipped with, and realizes that country rock deforms time delay growth device therewith with body of rod generation relative displacement to which suitable for surrounding rock becomes
Shape provides the structural support of the further supporting of anchor pole while not damaging body of rod bearing capacity;Extension style characteristic and convex
The setting of portion's structure can increase the resistance extended when device generates relative displacement with the body of rod;The setting of sleeve capping, can effectively prevent
Sealing point and sundries enter sleeve inner;The setting of sleeve regulating device can be conducive to adjust anchor rod anchored rear pallet apart from palisades
Between distance.
Description of the drawings:
Fig. 1, which is one kind of the embodiment of the present invention, can extend anchor structure schematic diagram;
Fig. 2 is to extend apparatus structure schematic diagram described in the embodiment of the present invention;
Fig. 3 is to extend another structural schematic diagram of device described in the embodiment of the present invention.
Reference sign
1. the body of rod, 10. extensions, 11. anchor tails, 2. extension devices, 20. sleeves, 21. rubber rings, 201. movable ends, 202.
Capping, 203. movable end tail portions, 3. pallets, 4. nuts.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1 shown in -3, specific embodiment provided by the invention is as follows:
One kind of the present embodiment can extend anchor pole, and the anchor rod body 1 includes the extension 10 of connection anchor tail 11;It is described to prolong
Being set with outside long section 10 and anchor tail 11 can include 20 He of sleeve with respect to the extension device 2 that the body of rod moves axially, the extension device 2
Rubber ring 21, sleeve 20 include the movable end 201 that can be used to relatively move with the body of rod, and rubber ring 21 is located at sleeve movable end tail portion
203, and rubber ring inner headed face is tightly attached to extension periphery, to by the activity of rubber ring be limited to sleeve movable end 201 with
Axial linear movement between anchor tail 11;The anchor pole further includes pallet 3, and pallet 3 is mounted at sleeve 20, and pallet is in anchor
Bar anchoring is pressed on the palisades of anchor pole insertion when finishing.In the prior art, the rate elongation for being typically due to rigid anchor pole itself is low,
Small deformation occurs under limit stress to be just possible to be pulled off, and anchor pole is once pulled off, then entire Bolt System will
It can fail.Therefore, using the technical solution that suitable for surrounding rock deforms by extending rock-bolt length in the present embodiment, and with
In surrouding rock deformation progression, ensure that anchor pole provides gradually increased working resistance.Anchor pole described in the present embodiment is being anchored
When, anchor rod anchored section is anchored in massif or rock stratum, will extend device and is set on body of rod extension, pallet is anchor rod anchored complete
The palisades of anchor pole insertion are pressed on when complete.When static, extend device tightly be set in the body of rod, when the axial tension that the body of rod is subject to
When less than extending the stiction between device and the body of rod, extending device and being in relative static conditions with the body of rod;When the body of rod by
Axial tension be more than when extending the stiction between device and the body of rod, opposite position will be occurred by extending between device and the body of rod
Move, during the relative displacement occurs, extend between device and the body of rod and keep gradual increased working resistance, when the body of rod by
To axial tension be decreased to extend the frictional force between device and the body of rod when, the two will no longer occur relative displacement and be in phase
To stationary state.Specifically, under stable state, extend device being set on the body of rod tightly, sleeve movable end at the body of rod
In relative static conditions;When country rock deforms, the deformation energy at initial stage is larger, can be held if the deformation energy of country rock is more than anchor pole
The range received, movable end will squeeze and drive rubber ring to move along anchor tail direction (arrow direction is the movable end in Fig. 1
Moving direction extends moving direction of the device relative to the body of rod), it shows as generating relative displacement with the body of rod;Country rock around here
Deformation energy is released, and deformation tends to terminate, and movable end no longer generates displacement and return to stable state with the body of rod, extends device again
Secondary being set on the body of rod tightly.Using the above scheme, when certain deformation occurs for country rock, due to extending the setting of device, anchor
Pole length is extended, and the deformation energy in country rock is made to be released, and after anchor pole extends, is maintained to enough work resistances
Power maintains the stabilization of country rock again.
Preferred embodiment scheme, the sleeve movable end are the hollow cylinder structure of a trepanning, the hole internal diameter and the body of rod
Diameter is equal, and (front-end and back-end are relative concept, to be known as rear extreme direction, the back of the body towards the direction of anchor tail for the rubber ring front end
Direction from anchor tail is then preceding extreme direction) it is tightly attached to sleeve movable end tail portion, rubber ring periphery is tightly attached to the sleeve inner circle
Face.For the benefit of extend device and be set in the body of rod, movable end is set as to the hollow cylinder structure of a trepanning, institute in the present embodiment
It is equal with shank diameter to state hole internal diameter, is conducive to movable end inner headed face and is tightly attached to body of rod periphery.
Preferred embodiment scheme, as shown in figure 3, the extension diameter is cumulative along anchor tail direction.When the change of country rock
After shape can exceed that the range that anchor pole can bear, movable end will squeeze and rubber ring driven to generate relative displacement with the body of rod, if setting
The diameter of meter extension gradually increases along anchor tail direction, during with the body of rod relative displacement friction occurs for rubber ring, while
The minute elastic deformation along body of rod axial expansion will be shown in favor of the relative displacement occurs.Around here, the rubber deformed upon
Ring has certain deformation energy, increases anchor pole working resistance, and with the increase of the relative displacement, due to extension diameter by
As low as big variation, the minute elastic deformation that rubber ring occurs increase therewith, which can also increase.
Preferred embodiment scheme, the rubber ring inner headed face are equipped with indentation.Indentation on rubber ring inner headed face in the present embodiment
Setting, resistance when rubber ring and the body of rod generate relative displacement can be increased.It further, can be according to body of rod stress and reality
Use demand, customization use the rubber ring of dual extension-compression modulus.
Preferred embodiment scheme, the extension periphery are equipped with protrusion structure.In extension periphery in the present embodiment
One group of protrusion structure is set, resistance when rubber ring generates relative displacement with the body of rod can be further increased.
The bearing capacity of preferred embodiment scheme, the protrusion structure is cumulative to anchor tail direction along the extension.This reality
Apply it is anchor rod anchored in example after, if country rock deforms, more than the range that anchor pole can bear, movable end will be moved along anchor tail direction
It is dynamic, drive rubber ring to generate relative displacement with the body of rod, the deformation energy of country rock release around here comes back to stable state.When country rock again
It deforms, to further enhance the resistance for extending device and body of rod relative movement, is designed in the present embodiment convex on extension
Portion's structure is cumulative to anchor tail direction along the body of rod extension, and realization deforms again when country rock, enhances rubber ring and the body of rod
Generate the resistance of relative displacement.
Preferred embodiment scheme, the protrusion structure are screw thread.
Preferred embodiment scheme, the protrusion structure are the cyclic annular column structure along the body of rod periphery.
Preferred embodiment scheme, the anchor tail are cylindrical structure, and the cylindrical structure diameter is lived more than the sleeve
The internal diameter in moved end hole.With country rock TERM DEFORMATION, movable end will be moved along anchor tail direction generates relative displacement with the body of rod, finally will
To maintenance equilibrium state at anchor tail, limitation movable end finally is continued to move by anchor tail.
Preferred embodiment scheme, 20 other end of the sleeve are equipped with capping 202.In the other end of sleeve in the present embodiment
(i.e. the opposite other end of movable end) setting capping, on the one hand, can prevent moisture from entering when anchor pole works in wet condition and prolong
Growth device and cause the junction for extending device and the body of rod that corrosion occurs, on the other hand, can also prevent the sundries such as silt or stone
Into sleeve inner.
Preferred embodiment scheme, the sleeve include regulating device, to adjust anchor rod anchored rear pallet between palisades
Distance.It is anchored in massif or rock stratum when anchor rod anchored section, device will be extended and be set on body of rod extension, filled by adjusting
It sets, tray can be made to be pressed on the palisades of anchor pole insertion in anchor rod anchored finish.
Preferred embodiment scheme, 3 bottom of the pallet are equipped with the through-hole being adapted to 20 outer diameter of the sleeve;The adjusting dress
It sets including nut, the sleeve 20 is equipped with the screw thread being adapted to the nut 4, and the nut is held in the palm in when screwing end state
Disk is pressed on the palisades that the anchor pole is inserted into.Specifically, the tray bottom passes through sleeve, by nut driving in sleeve, from
And distance of the pallet between palisades is adjusted, after nut driving, pallet is pressed on the palisades of anchor pole insertion.Another party
Face, when country rock deforms, load action transfers the load to anchor rod body in pallet, by pallet, and then realizes that anchor pole becomes
Shape and deformation controlling for rock surrounding gateways.
In the description of the embodiment of the present invention, it is to be understood that term "upper", "lower", "front", "rear", " left side ",
The fingers such as " right side ", " hard straight ", "horizontal", "center", "top", "bottom", " top ", " bottom ", "inner", "outside", " inside ", " outside "
The orientation or positional relationship shown is to be based on the orientation or positional relationship shown in the drawings, merely to making in the description present invention and simplifying
Description, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and behaviour
Make, therefore is not considered as limiting the invention.Wherein, " inboard " refers to inside or the region or space that fence up.It is " outer
Enclose " refer to region around certain particular elements or specific region.
In the description of the embodiment of the present invention, term " first ", " second ", " third ", " the 4th " are only describing mesh
, it is not understood to indicate or imply relative importance or implicitly indicates the quantity of indicated technical characteristic.It limits as a result,
There are the feature of " first ", " second ", " third ", " the 4th " to can explicitly or implicitly include one or more spy surely
Sign.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the embodiment of the present invention, it should be noted that unless otherwise clearly defined and limited, term
" installation ", " connected ", " connection ", " assembling " shall be understood in a broad sense, and can also be detachably to connect for example, it may be being fixedly connected
It connects, or is integrally connected;It can be directly connected, can also can be indirectly connected through an intermediary inside two elements
Connection.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition
Meaning.
In the description of the embodiment of the present invention, particular features, structures, materials, or characteristics can at any one or
It can be combined in any suitable manner in multiple embodiments or example.
In the description of the embodiment of the present invention, it is to be understood that "-" and "~" indicated is that two values are same
Range, and the range includes endpoint.Such as:" A-B " indicates to be greater than or equal to A, and the range less than or equal to B." A~B "
It indicates to be greater than or equal to A, and the range less than or equal to B.
In the description of the embodiment of the present invention, the terms "and/or", only it is a kind of description affiliated partner pass
Connection relationship indicates may exist three kinds of relationships, for example, A and/or B, can indicate:Individualism A exists simultaneously A and B, individually
There are these three situations of B.In addition, character "/" herein, it is a kind of relationship of "or" to typically represent forward-backward correlation object.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. one kind can extend anchor pole, which is characterized in that the anchor rod body includes the extension for connecting anchor tail;The extension with
For anchor tail sleeve equipped with the extension device that can be moved relative to the body of rod, the extension device includes sleeve and rubber ring, and sleeve includes available
With the movable end relatively moved with the body of rod, rubber ring is located at sleeve movable end tail portion, and rubber ring inner headed face is tightly attached to extension
Periphery, the activity of rubber ring to be limited to the axial linear movement between sleeve movable end and anchor tail;The anchor pole also wraps
Pallet is included, pallet is mounted at sleeve, and pallet is pressed on the palisades of anchor pole insertion in anchor rod anchored finish.
2. one kind according to claim 1 can extend anchor pole, which is characterized in that the sleeve movable end is the sky of a trepanning
Heart cylindrical structure, the hole internal diameter is equal with shank diameter, and sleeve movable end tail portion, rubber ring are tightly attached in the rubber ring front end
Periphery is tightly attached to the sleeve inner headed face.
3. one kind according to claim 1 can extend anchor pole, which is characterized in that the extension diameter is along the anchor tail side
To cumulative.
4. one kind according to claim 1 can extend anchor pole, which is characterized in that the rubber ring inner headed face is equipped with indentation.
5. anchor pole can be extended according to claim 1-4 any one of them one kind, which is characterized in that the extension periphery is set
There is protrusion structure.
6. one kind according to claim 5 can extend anchor pole, which is characterized in that the bearing capacity of the protrusion structure is along institute
It is cumulative to anchor tail direction to state extension.
7. one kind according to claim 5 can extend anchor pole, which is characterized in that the protrusion structure is screw thread.
8. one kind according to claim 1 or 6 can extend anchor pole, which is characterized in that the anchor tail is cylindrical structure, institute
State the internal diameter that cylindrical structure diameter is more than the sleeve activity stomidium.
9. one kind according to claim 8 can extend anchor pole, which is characterized in that the sleeve other end is equipped with capping.
10. one kind according to claim 1 can extend anchor pole, which is characterized in that the sleeve includes regulating device, to
Adjust anchor rod anchored rear distance of the pallet between palisades;The tray bottom is equipped with the through-hole being adapted to the sleeve outer diameter;
The regulating device includes nut, and the sleeve is equipped with the screw thread being adapted to the nut, and the nut is in and screws end shape
When state, pallet is pressed on the palisades that the anchor pole is inserted into.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810198898.6A CN108457684A (en) | 2018-03-12 | 2018-03-12 | One kind can extend anchor pole |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810198898.6A CN108457684A (en) | 2018-03-12 | 2018-03-12 | One kind can extend anchor pole |
Publications (1)
Publication Number | Publication Date |
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CN108457684A true CN108457684A (en) | 2018-08-28 |
Family
ID=63219932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810198898.6A Pending CN108457684A (en) | 2018-03-12 | 2018-03-12 | One kind can extend anchor pole |
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CN (1) | CN108457684A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109339840A (en) * | 2018-11-13 | 2019-02-15 | 重庆大学 | A kind of antitorque large deformation anchor rod |
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CN2707966Y (en) * | 2004-07-02 | 2005-07-06 | 淮南矿业集团兴科计量技术服务有限责任公司 | Resistance increasing high strength pressured anchor |
CN201924947U (en) * | 2010-11-17 | 2011-08-10 | 江苏省矿业工程集团有限公司建井工程处 | Extendable anchor rod |
CN202866845U (en) * | 2012-09-02 | 2013-04-10 | 山东科技大学 | Deformation resisting anchor rope/anchor rod capable of detecting anchoring quality timely |
CN204591323U (en) * | 2015-05-07 | 2015-08-26 | 山东科技大学 | Large elongation is anti-corrosion anchor pole |
CN106193031A (en) * | 2016-07-19 | 2016-12-07 | 成都鹏程路桥机械有限公司 | A kind of dust-proof anchorage |
CN206769932U (en) * | 2017-03-24 | 2017-12-19 | 山东天景工程设计有限公司 | A kind of pressure-relieving achor bar |
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2018
- 2018-03-12 CN CN201810198898.6A patent/CN108457684A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2707966Y (en) * | 2004-07-02 | 2005-07-06 | 淮南矿业集团兴科计量技术服务有限责任公司 | Resistance increasing high strength pressured anchor |
CN201924947U (en) * | 2010-11-17 | 2011-08-10 | 江苏省矿业工程集团有限公司建井工程处 | Extendable anchor rod |
CN202866845U (en) * | 2012-09-02 | 2013-04-10 | 山东科技大学 | Deformation resisting anchor rope/anchor rod capable of detecting anchoring quality timely |
CN204591323U (en) * | 2015-05-07 | 2015-08-26 | 山东科技大学 | Large elongation is anti-corrosion anchor pole |
CN106193031A (en) * | 2016-07-19 | 2016-12-07 | 成都鹏程路桥机械有限公司 | A kind of dust-proof anchorage |
CN206769932U (en) * | 2017-03-24 | 2017-12-19 | 山东天景工程设计有限公司 | A kind of pressure-relieving achor bar |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109339840A (en) * | 2018-11-13 | 2019-02-15 | 重庆大学 | A kind of antitorque large deformation anchor rod |
CN109339840B (en) * | 2018-11-13 | 2024-03-05 | 重庆大学 | Anti-torsion large-deformation anchor rod |
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Application publication date: 20180828 |
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