CN107237645A - A kind of improved Self-propelled grouting anchoring-bolt - Google Patents

A kind of improved Self-propelled grouting anchoring-bolt Download PDF

Info

Publication number
CN107237645A
CN107237645A CN201710390396.9A CN201710390396A CN107237645A CN 107237645 A CN107237645 A CN 107237645A CN 201710390396 A CN201710390396 A CN 201710390396A CN 107237645 A CN107237645 A CN 107237645A
Authority
CN
China
Prior art keywords
anchor pole
magnetic
monomer
fastenedly connected
anticreep
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Withdrawn
Application number
CN201710390396.9A
Other languages
Chinese (zh)
Inventor
赵正杨
郑翔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Haichuan New Mstar Technology Ltd
Original Assignee
Jiangsu Haichuan New Mstar Technology Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Haichuan New Mstar Technology Ltd filed Critical Jiangsu Haichuan New Mstar Technology Ltd
Priority to CN201710390396.9A priority Critical patent/CN107237645A/en
Publication of CN107237645A publication Critical patent/CN107237645A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00Setting anchoring-bolts
    • E21D20/02Setting anchoring-bolts with provisions for grouting
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/008Anchoring or tensioning means

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)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The invention discloses a kind of improved Self-propelled grouting anchoring-bolt, anchor pole includes drill bit anchor pole end and pallet anchor pole end, it is fastenedly connected and is formed by anti-rotation fastening connection piece between drill bit anchor pole end and pallet anchor pole end, drill bit anchor pole end includes anchor pole monomer one and drill bit, the leading section of anchor pole monomer one is machined with anticreep end, it is machined with drill bit and is fastenedly connected end, anticreep end is fastenedly connected with being fastenedly connected end;Pallet anchor pole end includes anchor pole monomer two, pallet and magnetic-type only slurry end, and pallet is socketed in the position close to end on anchor pole monomer two, and magnetic-type only slurry end is set in the end of anchor pole monomer two;The self drilling anchor so not only meets the supporting demand of different length by the way of anticreep, anti-rotation combination, and its connected mode is simple, and steadiness is good, and Installation Flexibility is high, uses process stabilization.

Description

A kind of improved Self-propelled grouting anchoring-bolt
Technical field
The present invention relates to a kind of improved Self-propelled grouting anchoring-bolt.
Background technology
Anchor pole is the superior structural reinforced for Rock And Soil, and suspension roof support is in earth's surface engineerings such as side slope, ground deep basal pits And a kind of its support reinforcement mode used in the construction of the underground chamber such as tunnel, stope.It is made of metalwork, wooden piece, polymer member Roofbolt, is squeezed into earth's surface rock mass or the pre-drilled hole of chamber surrounding rock body, utilizes its head, the special tectonic and afterbody of the body of rod Supporting plate, or country rock and rock mass stability are combined together dependent on cohesive action and suspension effectiveness, combination beam effect, reinforcement is produced Effect, to reach the purpose of supporting.With cost is low, supporting effect is good, easy to operate, few using flexible, occupancy construction headroom The advantages of.
Self drilling anchor is applied the advance support in tunnel in large quantities as a kind of effective anchoring means, radial direction supporting, The sick training works in slope reinforcement, subgrade strengthening and tunnel.Slip casing by pressure is carried out to anchor pole by hollow lever, consolidation is can reach Fragmented rock body, cut-off underground water and body of rod corrosion-resistant purpose, can quickly form supporting power, control the stabilization of country rock.Hollow slip casting Anchor pole is applied to railway, highway, tunnel, mine, key water control project, side slope, dykes and dams, abutment, Jiang Haihu river banks, Tall Building Foundation And the engineering such as building strengthening.
Self drilling anchor, which is typically necessary, sets connector in centre, and existing connector also has connection in connection procedure Stability is long, and anti-rotation, the effect of anticreep are poor during from brill;In addition, drill bit is typically using individually connection or overall Mainly also there is drill bit and connect not firm in the mode of casting, the mode individually connected, drill bit is easily damaged from during boring Problem.
The content of the invention
For above-mentioned problem, the present invention is intended to provide a kind of improved Self-propelled grouting anchoring-bolt, the self drilling anchor By the way of anticreep, anti-rotation combination, the supporting demand of different length is so not only met, and its connected mode is simple, Steadiness is good, and Installation Flexibility is high, uses process stabilization.
To achieve these goals, the technical solution adopted in the present invention is as follows:
A kind of improved Self-propelled grouting anchoring-bolt, the anchor pole includes drill bit anchor pole end and pallet anchor pole end, the drill bit anchor It is fastenedly connected and is formed by anti-rotation fastening connection piece between rod end and the pallet anchor pole end, the drill bit anchor pole end includes anchor pole Monomer one and drill bit, the leading section of anchor pole monomer one, which is machined with to be machined with anticreep end, the drill bit, is fastenedly connected end, institute Anticreep end is stated to be fastenedly connected with the end that is fastenedly connected;The pallet anchor pole end includes anchor pole monomer two, pallet and magnetic-type End is only starched, the pallet is socketed in the position close to end on the anchor pole monomer two, set in the end of anchor pole monomer two The magnetic-type only slurry end.
Preferably, the rear end of the anchor pole monomer one and the front end of the anchor pole monomer two process the anti-rotation company that is magnetic Connect end.
Preferably, the Anti-rotary block of isosceles trapezoidal structure is enclosed in processing one on the magnetic anti-rotation connection end end face periphery, often Connecting hole is machined between two Anti-rotary blocks.
Preferably, the magnetic anti-rotation connection end end face of the anchor pole monomer one is provided with magnetic docking ring one, the anchor pole The magnetic anti-rotation connection end end face of monomer two is provided with magnetic docking ring two, the magnetic docking ring one and the magnetic docking ring two It is attracting.
Preferably, the anti-rotation fastening connection piece inwall is provided with the circle fastening corresponding with each Anti-rotary block Groove, and the fastener hole connected with each connecting hole is machined between binding groove described in each two.
Preferably, passing through a circle fastening bolt spiral shell between the magnetic anti-rotation connection end and the anti-rotation fastening connection piece Line is connected.
One is set to enclose anticreep projection on perforation, periphery preferably, being set in the anticreep end.
Preferably, described be fastenedly connected in end sets the circle of setting one and anticreep projection one-to-one corresponding on perforation, inwall Anticreep groove, the anticreep end and it is described be fastenedly connected end between also by one circle fastening bolt be fastenedly connected.
Preferably, the magnetic-type only slurry end includes setting perforation, institute in only stock tank and stop grouting plug, the only stock tank State on the only groove face of stock tank one layer of magnetic adsorption plate of setting, the stop grouting plug with also being provided with the side that stock tank is combined described only and The attracting flat thin magnet of the magnetic adsorption plate.
The beneficial effects of the invention are as follows:Compared with prior art, of the invention to the improvement is that, the present invention is will be existing Self drilling anchor anti-rotation structure be combined, the fastening effect being so fastenedly connected by anti-rotation can be quick by anchor pole monomer And it is stable be combined, the steadiness with reference to after in use it is good, anti-rotation effect is good, tension;
Secondly, in order to ensure the fixing after the independent connection of drill bit, the present invention is attached using disconnecting prevention structure, is coordinated and is used tight Fixing bolt, dual fastening effect, not only good anti-drop effect, and also it is firm, stably from drill-through journey, usage cycles are long.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the enlarged drawing of D parts in Fig. 1.
Fig. 3 is the schematic cross-section that magnetic anti-rotation connection end of the present invention is connected with anti-rotation fastening connection piece.
Fig. 4 is the sectional view of anti-rotation fastening connection piece of the present invention.
Wherein:1- anchor poles monomer one, 2- magnetic anti-rotations connection end, 3- Anti-rotary blocks, 4- connecting holes, 5- magnetic docking ring one, 6- magnetic docking ring two, 7- anti-rotation fastening connection pieces, 8- binding grooves, 9- fastener holes, 10- fastening bolts, 11- injected holes, 12- anchors Bar monomer two, 13- anticreeps end, 14- is fastenedly connected end, 15- pallets, and 16- stops stock tank, and 17- stop grouting plugs, 18- magnetic adsorption plates, 19- is bored Head, 20- hex nuts.
Embodiment
In order that one of ordinary skill in the art is better understood on technical scheme, below in conjunction with the accompanying drawings and Embodiment is further described to technical scheme.
A kind of improved Self-propelled grouting anchoring-bolt shown in 1-4 referring to the drawings, the anchor pole include the anchor pole end of drill bit 19 with And the anchor pole end of pallet 15, fastened between the anchor pole end of drill bit 19 and the anchor pole end of the pallet 15 by anti-rotation fastening connection piece 7 It is formed by connecting, the anchor pole end of drill bit 19 includes also being machined with slip casting aperture on anchor pole monomer 1 and drill bit 19, drill bit 19, The leading section of anchor pole monomer 1, which is machined with to be machined with anticreep end 13, the drill bit 19, is fastenedly connected end 14, the anticreep end 13 are fastenedly connected with the end 14 that is fastenedly connected, and perforation is set in the anti-rotation fastening connection piece 77;The anchor pole end of pallet 15 bag Anchor pole monomer 2 12, pallet 15 and magnetic-type only slurry end are included, the pallet 15 is socketed in close on the anchor pole monomer 2 12 The position of end, anchor pole monomer 2 12 is additionally provided with hex nut 20 close to terminal position, is set in the end of anchor pole monomer 2 12 Put the magnetic-type only slurry end;Anchor pole monomer 1 is with setting injected hole 11, anchor pole monomer 1 and anchor pole list in anchor pole monomer 2 12 The surface of body 2 12 be provided with screw thread, the screw thread can be right-handed thread or left hand thread, pitch 9.8-10.2mm, height 2.5mm, Anchor pole monomer 1 is made of glass steel material, and the external diameter of anchor pole monomer 1 is 27.7-28.3mm, and internal diameter is 12mm, and wall thickness is 15.7 -16.3mm。
In the present invention, the rear end of the anchor pole monomer 1 and the front end of the anchor pole monomer 2 12 process and are magnetic Processing one on perforation, the end face periphery of magnetic anti-rotation connection end 2 is set in anti-rotation connection end 2, magnetic anti-rotation connection end 2 and encloses isosceles Connecting hole 4 is machined between the Anti-rotary block 3 of trapezium structure, Anti-rotary block 3 described in each two, connecting hole 4 is screwed hole, sets interior spiral shell Line, described two adjacent end faces of magnetic anti-rotation connection end 2 are respectively equipped with magnetic docking ring 1 and magnetic docking ring 26, described Magnetic docking ring 1 and the magnetic docking ring 26 are attracting, when two anchor pole monomers progress fastenings are combined, magnetic docking ring One 5 play a part of auxiliary with magnetic docking ring 26 is fastenedly connected, and combines rear better tightness.
In the present invention, the inwall of anti-rotation fastening connection piece 7 is provided with a circle and each corresponding tight of the Anti-rotary block 3 Gu groove 8, the cross section of binding groove 8 is also isosceles trapezoidal structure, with reference to when, Anti-rotary block 3, which needs to correspond binding groove 8, is stuck in one Rise, and the fastener hole 9 connected with each connecting hole 4 is machined between binding groove described in each two 8, fastener hole 9 is Threaded fastening hole 9, sets internal thread, tight by a circle between the magnetic anti-rotation connection end 2 and the anti-rotation fastening connection piece 7 Fixing bolt 10 is threadedly coupled, and fastener hole 9 is corresponded with connecting hole 4, for passing through connecting hole 4, fastener hole 9 and fastening bolt 10 are integrally fastenedly connected anti-rotation fastening connection piece 7 and magnetic anti-rotation connection end 2.
Anabolic process is first to be connected anti-rotation fastening connection piece 7 with the magnetic anti-rotation connection end 2 of anchor pole monomer 1, connection During Anti-rotary block 3 and binding groove 8 correspond clamping, connect after anchor pole monomer 1, then by the magnetic of anchor pole monomer 2 12 Anti-rotation connection end 2 is again coupled to anti-rotation fastening connection piece 7, because the cross section of Anti-rotary block 3 and binding groove 8 in the present invention is used Be isosceles trapezoidal structure, isosceles trapezoidal structure ensure upon connection anchor pole monomer be not present with anti-rotation fastening connection piece 7 it is relative Rotate, anti-rotation effect and clamping effect are good, in addition in order to improve the tensile property of bolt body after connection, therefore pass through fastening Bolt 10, which is connected through a screw thread, is again fastenedly connected anti-rotation fastening connection piece 7 and magnetic anti-rotation connection end 2, can so carry Overall tensile property during high anchor pole use.
In the present invention, set in the anticreep end 13 and set one to enclose anticreep projection on perforation, periphery, it is described to be fastenedly connected end Set in 14 and a circle and the anticreep projection one-to-one anticreep groove be set on perforation, inwall, the anticreep end 13 with it is described tight It is solidly connected between end 14 and is also fastenedly connected by a circle fastening bolt 10, the cross section of anticreep projection and anticreep groove is isosceles ladder Shape structure, anticreep end 13, the connected mode for being fastenedly connected end 14 and anti-rotation fastening connection piece 7 recited above, magnetic anti-rotation company The connected mode for connecing end 2 is identical, can be good at solving in the drill bit from during boring by the clamping effect of isosceles trapezoidal structure 19 have the problem of rotating obscission, greatly improve the stability of the drill bit 19 from during boring.
In the present invention, the magnetic-type only slurry end includes setting in only stock tank 16 and stop grouting plug 17, the only stock tank 16 Put and one layer of magnetic adsorption plate 18 is set on perforation, the only groove face of stock tank 16, the stop grouting plug 17 is combined with the only stock tank 16 The side on also be provided with the flat thin magnet attracting with the magnetic adsorption plate 18;It can be good at raising by the setting of magnetic adsorption plate 18 to stop The only slurry effect, and good airproof performance of slurry plug 17, slurries in the drilling of injection rock-soil layer, make rock-soil layer space out of injected hole 11 Or slurries are full of between hole, stop grouting plug 17 is blocked after the completion of slip casting.
The anti-rotation fastening connection piece 7 of the present invention, the connected mode of magnetic anti-rotation connection end 2, can also be drilled into drill bit 19 Desired depth, if depth can not enough be filled again by the connection function of anti-rotation fastening connection piece 7, magnetic anti-rotation connection end 2 Upper multiple anchor pole monomers are operated.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (9)

1. a kind of improved Self-propelled grouting anchoring-bolt, the anchor pole includes drill bit anchor pole end and pallet anchor pole end, its feature exists In:It is fastenedly connected and is formed by anti-rotation fastening connection piece between the drill bit anchor pole end and the pallet anchor pole end, the drill bit Anchor pole end includes anchor pole monomer one and drill bit, and the leading section of anchor pole monomer one is machined with anticreep end, the drill bit and processed End is fastenedly connected, the anticreep end is fastenedly connected with the end that is fastenedly connected;The pallet anchor pole end include anchor pole monomer two, Pallet and magnetic-type only slurry end, the pallet is socketed in the position close to end on the anchor pole monomer two, in the anchor pole The end of monomer two sets the magnetic-type only slurry end.
2. a kind of improved Self-propelled grouting anchoring-bolt according to claim 1, it is characterised in that:The anchor pole monomer one Rear end and the front end of the anchor pole monomer two process the anti-rotation connection end that is magnetic.
3. a kind of improved Self-propelled grouting anchoring-bolt according to claim 2, it is characterised in that:The magnetic anti-rotation connection Hold and be machined with connecting hole between the Anti-rotary block of the circle of processing one isosceles trapezoidal structure on end face periphery, Anti-rotary block described in each two.
4. a kind of improved Self-propelled grouting anchoring-bolt according to claim 3, it is characterised in that:The anchor pole monomer one Magnetic anti-rotation connection end end face is provided with magnetic docking ring one, and the magnetic anti-rotation connection end end face of the anchor pole monomer two is provided with magnetic Docking ring two, the magnetic docking ring one and the magnetic docking ring two are attracting.
5. a kind of improved Self-propelled grouting anchoring-bolt according to claim 4, it is characterised in that:The anti-rotation is fastenedly connected Part inwall provided with the circle binding groove corresponding with each Anti-rotary block, and be machined between binding groove described in each two and The fastener hole that each connecting hole connects.
6. a kind of improved Self-propelled grouting anchoring-bolt according to claim 5, it is characterised in that:The magnetic anti-rotation connection End between the anti-rotation fastening connection piece by a circle fastening bolt with being threadedly coupled.
7. a kind of improved Self-propelled grouting anchoring-bolt according to claim 1, it is characterised in that:Set and pass through in the anticreep end One is set to enclose anticreep projection on hole, periphery.
8. a kind of improved Self-propelled grouting anchoring-bolt according to claim 7, it is characterised in that:It is described to be fastenedly connected in end One circle and the one-to-one anticreep groove of the anticreep projection are set if perforation, on inwall, and the anticreep end is fastenedly connected with described Also it is fastenedly connected between end by a circle fastening bolt.
9. a kind of improved Self-propelled grouting anchoring-bolt according to claim any one of 1-8, it is characterised in that:The magnetic Formula, which stops slurry end, to be included setting one layer on setting perforation in only stock tank and stop grouting plug, the only stock tank, the only groove face of stock tank Magnetic adsorption plate, the stop grouting plug in the side that stock tank is combined described only with also being provided with the flat thin magnet attracting with the magnetic adsorption plate.
CN201710390396.9A 2017-05-27 2017-05-27 A kind of improved Self-propelled grouting anchoring-bolt Withdrawn CN107237645A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710390396.9A CN107237645A (en) 2017-05-27 2017-05-27 A kind of improved Self-propelled grouting anchoring-bolt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710390396.9A CN107237645A (en) 2017-05-27 2017-05-27 A kind of improved Self-propelled grouting anchoring-bolt

Publications (1)

Publication Number Publication Date
CN107237645A true CN107237645A (en) 2017-10-10

Family

ID=59984600

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710390396.9A Withdrawn CN107237645A (en) 2017-05-27 2017-05-27 A kind of improved Self-propelled grouting anchoring-bolt

Country Status (1)

Country Link
CN (1) CN107237645A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108071411A (en) * 2017-12-15 2018-05-25 杭州富阳鸿祥技术服务有限公司 A kind of top opening type falling-proof type anchor pole
CN108775254A (en) * 2018-07-06 2018-11-09 石家庄铁路职业技术学院 It is a kind of to reinforce the anchor pole for facing combination forever for tunnel structure
CN109751067A (en) * 2019-03-16 2019-05-14 李静娴 A method of improving the pre- pulling capacity of anchor pole

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4477209A (en) * 1982-05-03 1984-10-16 H & S Machine & Supply Co., Inc. Anchor bolt assembly
US5375946A (en) * 1992-02-06 1994-12-27 F. M. Locotos Equipment & Design Co. Mine roof support apparatus and method
CN202991077U (en) * 2012-11-30 2013-06-12 上海旭尧玻璃钢制品有限公司 Automatic drilling type hollow grouting anchor rod
CN103643977A (en) * 2013-11-21 2014-03-19 中国矿业大学 Full-anchor partition pressure transferring grouting anchor rod and application method thereof
CN102505687B (en) * 2011-12-13 2014-08-06 江苏建筑职业技术学院 Pre-explosion drilling, grouting and anchoring integrated anchor rod and construction method thereof
CN204877514U (en) * 2015-08-04 2015-12-16 天津市永伟管业有限公司 Modular cavity slip casting stock
CN105888709A (en) * 2016-04-28 2016-08-24 中国矿业大学(北京) Self-drilling grouted rock bolt
CN206110128U (en) * 2016-07-29 2017-04-19 上海宝冶集团有限公司 But anchor cable structure that unblock was retrieved

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4477209A (en) * 1982-05-03 1984-10-16 H & S Machine & Supply Co., Inc. Anchor bolt assembly
US5375946A (en) * 1992-02-06 1994-12-27 F. M. Locotos Equipment & Design Co. Mine roof support apparatus and method
CN102505687B (en) * 2011-12-13 2014-08-06 江苏建筑职业技术学院 Pre-explosion drilling, grouting and anchoring integrated anchor rod and construction method thereof
CN202991077U (en) * 2012-11-30 2013-06-12 上海旭尧玻璃钢制品有限公司 Automatic drilling type hollow grouting anchor rod
CN103643977A (en) * 2013-11-21 2014-03-19 中国矿业大学 Full-anchor partition pressure transferring grouting anchor rod and application method thereof
CN204877514U (en) * 2015-08-04 2015-12-16 天津市永伟管业有限公司 Modular cavity slip casting stock
CN105888709A (en) * 2016-04-28 2016-08-24 中国矿业大学(北京) Self-drilling grouted rock bolt
CN206110128U (en) * 2016-07-29 2017-04-19 上海宝冶集团有限公司 But anchor cable structure that unblock was retrieved

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108071411A (en) * 2017-12-15 2018-05-25 杭州富阳鸿祥技术服务有限公司 A kind of top opening type falling-proof type anchor pole
CN109139070A (en) * 2017-12-15 2019-01-04 杭州富阳飞尚装饰工程有限公司 A kind of falling-proof type anchor pole
CN109139071A (en) * 2017-12-15 2019-01-04 杭州富阳飞尚装饰工程有限公司 A kind of opening type falling-proof type anchor pole
CN109296391A (en) * 2017-12-15 2019-02-01 杭州富阳飞尚装饰工程有限公司 A kind of falling-proof type anchor pole mechanism
CN109296391B (en) * 2017-12-15 2020-06-30 杭州富阳飞尚装饰工程有限公司 Anti-drop formula stock mechanism
CN109139071B (en) * 2017-12-15 2020-07-14 晋城宏圣科威矿用材料有限公司 Open formula anti-drop formula stock
CN109139070B (en) * 2017-12-15 2021-01-01 杭州富阳飞尚装饰工程有限公司 Anti-drop formula stock
CN108775254A (en) * 2018-07-06 2018-11-09 石家庄铁路职业技术学院 It is a kind of to reinforce the anchor pole for facing combination forever for tunnel structure
CN108775254B (en) * 2018-07-06 2023-05-23 石家庄铁路职业技术学院 Anchor rod for strengthening tunnel structure and combining permanent faces
CN109751067A (en) * 2019-03-16 2019-05-14 李静娴 A method of improving the pre- pulling capacity of anchor pole
CN109751067B (en) * 2019-03-16 2020-10-23 安徽航睿电子科技有限公司 Method for improving pre-pulling force of anchor rod

Similar Documents

Publication Publication Date Title
CN2878511Y (en) Tensile compression combined self-anchored rock anchor rod
CN204511478U (en) A kind of self-feeding anchor pile structure
CN110410123B (en) Novel high-strength anchor rod supporting equipment for coal mine
CN101915108A (en) Method for controlling floor heave of dynamic pressure tunnel
CN208793021U (en) A kind of shield tunnel anti-floating control structure
CN107237645A (en) A kind of improved Self-propelled grouting anchoring-bolt
CN101509383A (en) Tunnel footing anchor pouring reinforcement anti bottom expanding method and construction technique
CN104033169A (en) Impact-resistant constant-resistance anchor cable
CN210599052U (en) Self-drilling anchoring type metal anchor rod for soft rock bottom plate
CN207278276U (en) Cross the shallow-depth-excavation tunnel supporting construction of ground fissure crushed zone
CN204370418U (en) A kind of hydraulic buckling anchor pole
CN109026057A (en) A kind of tunnel combined support structure suitable for drift-sand stratum
CN202338349U (en) Bamboo-joint type high-strength anchor rod
CN103670466B (en) A kind of constant-resistance deformer and using method thereof
CN106703850A (en) Novel hydraulic expanded recyclable anchor rod
CN206887949U (en) A kind of assembled pressure-adjustable enlarging anchor rod structure
CN205297608U (en) Novel recoverable stock of hydraulic pressure inflation formula
CN209228378U (en) A kind of tunnel combined support structure suitable for drift-sand stratum
CN103276724B (en) Anti-floating pile with built-in non-metallic reinforcement
CN203189049U (en) Anchorage top-pouring pre-stressed anchor cable strengthening device of mine roadway bottom plate
CN202882968U (en) Multi-anchoring-point anchor rod without resin
CN205012333U (en) Recoverable FRP stock with enlarged footing
CN102400699A (en) Bamboo-joint type high-strength anchor rod
CN204267057U (en) A kind of nested type pipe seam anchor bar
CN204023569U (en) A kind of bellows enlarged footing anchor bolt support

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20171010

WW01 Invention patent application withdrawn after publication