CN110055961A - A kind of seperated assembled centering bracket and anchor pole for anchor pole - Google Patents

A kind of seperated assembled centering bracket and anchor pole for anchor pole Download PDF

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Publication number
CN110055961A
CN110055961A CN201910249879.6A CN201910249879A CN110055961A CN 110055961 A CN110055961 A CN 110055961A CN 201910249879 A CN201910249879 A CN 201910249879A CN 110055961 A CN110055961 A CN 110055961A
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CN
China
Prior art keywords
bracket
muscle
lock ring
anchor pole
lock
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Granted
Application number
CN201910249879.6A
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Chinese (zh)
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CN110055961B (en
Inventor
涂兵雄
贾金青
蔡燕燕
刘士雨
俞缙
程继宝
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Huaqiao University
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Huaqiao University
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Priority to CN201910249879.6A priority Critical patent/CN110055961B/en
Publication of CN110055961A publication Critical patent/CN110055961A/en
Application granted granted Critical
Publication of CN110055961B publication Critical patent/CN110055961B/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74Means for anchoring structural elements or bulkheads

Abstract

The present invention relates to a kind of seperated assembled centering brackets for anchor pole, a kind of seperated assembled centering bracket for anchor pole, including T-type plug, bracket and lock ring, the tapered end and stick harness that T-type plug is made of support muscle body with taper lock tongue form, it holds in the palm and forms annular eyelet between muscle body and taper lock tongue, lock ring is set in threadably outside taper lock tongue, T shape card slot is equipped on the stick harness, T shape card slot extends to the other end from one end of the stick harness axial direction, and the T shape card slot extends from the outer wall of stick harness to center, bracket includes two half tubular shape brackets, T shape clamp rail is equipped in the inner wall of bracket, T shape clamp rail is matched with the T shape card slot on the stick harness, one end of bracket axial direction is equipped with guide plate.T-type plug of the invention, bracket and lock ring take seperated fabricated construction, and site operation efficiency greatly improves, install it is very convenient, can modularization, standardization, can batch machining production.

Description

A kind of seperated assembled centering bracket and anchor pole for anchor pole
Technical field
The present invention relates to a kind of seperated assembled centering brackets and anchor pole for anchor pole.
Background technique
Bolt support technology is widely used to building, water conservancy, mining industry, friendship as a kind of support technology efficiently, economic In the engineering constructions such as logical, urban infrastructure and hazards control, and play extremely important effect.With traditional tension type It for anchor pole, is made of free segment and anchoring section, wherein anchoring section is to rely on the cementation of anchor pole muscle body and the body that is in the milk will Load further passes to the interface of grouting body and the soil body, to guarantee the anti-pulling capacity of anchor pole.But in the construction process, Existing anchor pole mostly use greatly diameter 6mm plain bar welding centering bracket (the reinforcing bar body of rod using in the majority) or using plastics chuck into Row centering (the steel strand wires body of rod uses in the majority), so that anchor pole exists in the construction process with potential risk: (1) plain bar welds Centering bracket is due to being to lean on steel support pole body weight, when soil moisture in layer is reached a certain level or is drilled using non-dry operation, Steel bar rack easily depression enters the hole wall soil body, it is difficult to guarantee that the body of rod is placed in the middle, even result in the body of rod and be attached on hole wall, cause the body of rod without Method and grouting body are well-bonded, and bearing capacity substantially reduces, and welded reinforcement bracket needs a large amount of reinforcing bar cutting, bending and weldering Connect workload;(2) plastic clip disc carrier thickness only 3-5mm, intensity and hardness are extremely limited, under body of rod Gravitative Loads, easily Bending deformation causes the body of rod close to even close to the hole wall soil body.Above-mentioned construction phenomenon can make anchor rod body substantial deviation drill Center, or even be attached on borehole wall, cause anchor rod body and the cohesive force for the body that is in the milk to significantly reduce, anchor pole easily occurs The breakoff phenomenon that the body of rod is pulled out.
And for the tension and compression composite anchor-rod with significant bearing capacity advantage (such as the patent No.: ZL201420450678.5 institute It is open), because there is fixed pressure-bearing steel plate (steel plate diameter is less than armature boring diameter) design on anchor rod body, in work progress If not can guarantee anchor rod body centering, necessarily cause pressure-bearing steel plate can not be placed in the middle in drilling, many construction problems can be caused. For example, because anchor rod body misaligns, pressure-bearing steel plate can sink down into the hole wall at drilling bottom, anchor rod body in decentralization boring procedure, It will lead to pressure-bearing steel plate and cut the hole wall soil body, generate a large amount of native slag and be deposited in bearing plate two sides, it is difficult during later period slip casting Effectively to remove the native slag before and after bearing plate completely, when directly resulting in anchor pole bearing load, pressure-bearing anchoring section (is located at bearing plate Before) injecting cement paste compression bearing deficiency occurs because of folder soil folder mud, tension anchoring section (be located at bearing plate after) injecting cement paste is because of folder soil folder The bond stress of mud and anchor rod body reduces, and then anchor pole bearing capacity is caused to be unable to satisfy design requirement, brings to engineering serious Security risk.
Therefore, seek can effective guarantee anchor rod body is placed in the middle and the convenient and fast centering bracket of construction, to the construction efficiency of anchor pole And engineering safety is of crucial importance.In-depth study is carried out to the above problem based on problem above and the present inventor, there is this case production then It is raw.
Summary of the invention
The present invention for existing anchor pole centering bracket can not the centering of the strict guarantee body of rod and cause anchor rod body and grouting body Interface Lack of support and the cumbersome problem for leading to construction trouble of centering method, main purpose are to provide a kind of energy fission Bracket in anchor rod body seperated assembled pair placed in the middle in drilling is effectively ensured in processing, quick assembling.The present invention, which also resides in, to be mentioned A kind of anchor pole using the centering bracket out.
In order to achieve the above object, the present invention uses such technical solution:
A kind of seperated assembled centering bracket for anchor pole, including T-type plug, bracket and lock ring, T-type plug by support muscle body with Taper lock tongue constitute tapered end and stick harness composition, taper lock tongue be formed in support muscle body or stick harness on, support muscle body and taper lock tongue it Between form annular eyelet, lock ring is set in threadably outside taper lock tongue, radial eyelet is equipped on taper lock tongue, Radial eyelet is through to annular eyelet from the outer wall of taper lock tongue, holds in the palm to be additionally provided on muscle body and sets muscle slot, taper lock tongue be equipped with That sets the connection of muscle slot sets muscle mouth, sets muscle slot and sets muscle mouth and extend to the other end from one end of tapered end axial direction.It is equipped on stick harness Muscle slot and plug muscle mouth are filled in, plug muscle mouth is equipped with Grouting Pipe bracket, and the plug muscle slot, the plug muscle mouth and Grouting Pipe drag slot from institute The axial one end for stating stick harness extends to the other end, and fills in muscle mouth and extend from the outer wall of the stick harness to center;Ring is set on stick harness There is T shape card slot, T shape card slot extends to the other end from one end of stick harness axial direction, and T shape card slot prolongs from the outer wall of stick harness to center It stretches.Bracket includes two half tubular shape brackets, is equipped with T shape clamp rail, T shape clamp rail and the T shape card slot phase on stick harness in the inner wall of bracket One end of cooperation, bracket axial direction is equipped with guide plate.
As a kind of preferred embodiment of the invention, lock ring includes the male lock ring and female lock ring of mutually matched semiannular shape, Male lock ring and female lock ring inner wall are provided with internal screw thread, and internal screw thread is matched with the external screw thread of taper lock tongue outer wall, public lock ring It is provided with trapezoidal lock rail in annular wall, the trapezoidal locked groove matched with trapezoidal lock rail is provided on female lock ring.
As a kind of preferred embodiment of the invention, the male lock ring and female lock ring inner wall are provided with the interior spiral shell Line.
As a kind of preferred embodiment of the invention, the trapezoidal locked groove of the trapezoidal lock rail of the male lock ring and female lock ring Axial length is identical.
As a kind of preferred embodiment of the invention, the axial length of the trapezoidal lock rail and the trapezoidal locked groove is than the public affairs The short 5-10mm of axial length of lock ring and female lock ring.
As a kind of preferred embodiment of the invention, the ring lock slit width degree is in 5-15mm, the width of the radial direction eyelet In 4-10mm, the width for setting muscle mouth is identical as the diameter for setting muscle slot.
As a kind of preferred embodiment of the invention, plug muscle slot and plug muscle mouth, plug muscle slot and plug muscle are additionally provided on the stick harness Mouth extends to the other end from one end of the stick harness axial direction, and plug muscle mouth extends to plug muscle slot from the outer wall of stick harness.
As a kind of preferred embodiment of the invention, the inner wall of the bracket is equipped with the limitation T-type plug and moves to guide plate Stop collar, stop collar be arranged between the stick harness and the guide plate.
As a kind of preferred embodiment of the invention, the thickness of the stop collar is in 5-15mm.
As a kind of preferred embodiment of the invention, the length of the T shape clamp rail is 10-30mm bigger than the thickness of the stick harness.
As a kind of preferred embodiment of the invention, two brackets are set to male bracket and female bracket, and public bracket is set Have for clamp, female bracket is equipped with the bayonet cooperated with clamp.
The present invention also proposes a kind of anchor pole, including anchor rod body and the centering bracket for being set in anchor rod body, the centering Bracket uses above-mentioned centering bracket.
Seperated assembled centering bracket of the invention, two half tubular shape brackets form circular ring shape support, with hole wall contact surface Product is big, and contact pressure is small, will not depression enter in the hole wall soil body, can guarantee that anchor rod body is in lean-with always in work progress It sets, guarantees the cohesive force of anchor rod body and injecting cement paste, and bracket outer diameter can be customized according to boring aperture demand, can guarantee anchor pole bar The accurate centering of body;Guide plate of the invention can be such that anchor rod body is put into boring procedure, it is easy to slide into drilling, no The hole wall soil body will not only be cut and generate native slag, certain compaction can be played to borehole wall instead, further increase anchor The bearing capacity of club shaft and injecting cement paste;T-type plug of the invention, which is taken, is mounted laterally anchor rod body and Grouting Pipe, directly in anchor pole bar Anchor rod body is caught in T-type plug, install convenient from plug muscle mouth by body design position, and site operation efficiency greatly improves;This hair Bright lock ring takes split type male lock ring and female lock ring, passes through the trapezoidal lock rail of male lock ring and matching for the trapezoidal locked groove of female lock ring It closes, anchor rod body can be inserted in lock ring outside anchor rod body, T-type plug can be fixed by being screwed on taper lock tongue, be avoided The cumbersome of closed type lock ring, install convenient are penetrated on anchor rod body, site operation efficiency greatly improves.Bracket packet of the invention Bracket installation can be completed by being caught in the matched T-type card slot of T-type plug in clamp rail containing T-type, and construction efficiency greatly improves.Fission dress With formula centering bracket by T-type plug, bracket and lock ring composition, due to taking seperated fabricated construction, anchor can be not only greatly improved The construction efficiency of club shaft centering, and can modularization, standardization, can batch machining production.
Detailed description of the invention
Fig. 1 is assembled guiding cap scheme of installation of the present invention.
Fig. 2 is A-A sectional view in Fig. 1 of the invention.
Fig. 3 is cock body longitudinal sectional drawing of the invention.
Fig. 4 is B-B sectional view in Fig. 3 of the invention.
Fig. 5 is C-C sectional view in Fig. 4 of the invention.
Fig. 6 is limit body longitudinal sectional drawing of the invention.
Fig. 7 is the left view of Fig. 6 of the invention.
Fig. 8 is the right view of Fig. 6 of the invention.
Fig. 9 is D-D sectional view in Fig. 6 of the invention.
Figure 10 is E-E sectional view in Fig. 6 of the invention.
Figure 11 is lock ring section sectional view of the invention.
Figure 12 is lock ring longitudinal sectional drawing of the invention.
Figure 13 is assembled guiding cap longitudinal sectional drawing of the invention.
Figure 14 is the left view of Figure 13 of the invention.
Figure 15 is the right view of Figure 13 of the invention.
Figure 16 is F-F sectional view in Figure 13 of the invention.
Figure 17 is G-G sectional view in Figure 13 of the invention.
Figure 18 is the tension and compression composite anchor-rod schematic diagram of installation enhancing slip casting tube coupling.
Figure 19 is that enhancing slip casting tube coupling installs sectional view at bearing plate.
Figure 20 is bearing plate sectional view of the invention.
Figure 21 is A-A sectional view in Figure 20 of the invention.
Figure 22 is that enhancing slip casting tube coupling of the invention connect sectional view with bearing plate.
Figure 23 is that double end of the invention is spirally connected pipe longitudinal sectional drawing.
Figure 24 is B-B sectional view in Figure 23 of the invention.
Figure 25 is pressure-bearing section tube coupling longitudinal sectional drawing of the invention.
Figure 26 is tension section tube coupling longitudinal sectional drawing of the invention.
Figure 27 is C-C sectional view in Figure 25 and Figure 26 of the invention.
Figure 28 is pressure-bearing section tube coupling elevation of the invention.
Figure 29 is tension section tube coupling elevation of the invention.
Figure 30 is the split type centering plug assembling schematic diagram of the present invention.
Figure 31 is bracket longitudinal sectional drawing of the invention.
Figure 32 is F-F sectional view in Figure 31 of the invention.
Figure 33 is G-G sectional view in Figure 31 of the invention.
Figure 34 is H-H sectional view in Figure 31 of the invention.
Figure 35 is I-I sectional view in Figure 31 of the invention.
Figure 36 is J-J sectional view in Figure 31 of the invention.
Figure 37 is the clamp sectional view of public bracket of the invention.
Figure 38 is the bayonet sectional view of female bracket of the invention.
Figure 39 is quick-mounting type centering bracket scheme of installation of the present invention.
Figure 40 is T-type plug sectional view of the invention.
Figure 41 is A-A sectional view in Figure 40 of the invention.
Figure 42 is B-B sectional view in Figure 40 of the invention.
Figure 43 is assembled lock ring longitudinal sectional drawing of the invention.
Figure 44 is K-K sectional view in Figure 43 of the invention.
Figure 45 is L-L sectional view in Figure 43 of the invention.
Figure 46 is the public lock ring front view of assembled lock ring of the invention.
Figure 47 is female lock ring front view of assembled lock ring of the invention.
Figure 48 is the public lock ring side view of assembled lock ring of the invention.
Figure 49 is female lock ring side view of assembled lock ring of the invention.
Figure 50 is the split type support plate another kind structural schematic diagram of the present invention.
Figure 51 is the structural schematic diagram that the split type support plate another kind structure of the present invention cooperates cock body.
In figure:
10 casing 11 of anchor rod body
20 centre bore 21 of cock body
It wears muscle hole 22 and fills in muscle slot 23
Fill in 24 T shape card slot 25 of muscle mouth
26 Grouting Pipe bracket 27 of limiting slot
30 guide cylinder 31 of guiding cap
32 T shape clamp rail 33 of ball
40 support muscle body 41 of limit body
The annular eyelet 43 of taper lock tongue 42
Radial eyelet 49 sets muscle slot 44
Set 45 limited cap 46 of muscle mouth
47 limiting card 48 of external screw thread
50 internal screw thread 51 of lock ring
The public lock ring 501 of T-type plug 52
The trapezoidal lock rail 503 of female lock ring 502
Trapezoidal 504 first bearing surface 505 of locked groove
Second bearing surface, 506 stick harness 521
60 tube coupling hole 61 of bearing plate
Double end is spirally connected 71 pressure-bearing section tube coupling 72 of pipe
73 threaded portion 74 of tension section tube coupling
75 gasket 76 of connection screw thread
77 head plate 78 of eyelet
80 guide plate 81 of bracket
The public bracket 801 of stop collar 82
Female bracket 802 pricks muscle 803
804 bayonet 805 of clamp
Drag the trapezoidal clamp rail of 806 807- of panel
The trapezoidal card slot 809- locking screw of 808-
90 injecting cement paste 91 of Grouting Pipe
Rock And Soil 92 enhances Grouting Pipe 93
Specific embodiment
In order to further explain the technical solution of the present invention, 1-51 is described in detail with reference to the accompanying drawing.For convenience Viewing is of the invention, is exaggerated in attached drawing to part.
Embodiment one
Referring to figs. 1 to Figure 17, a kind of assembled guiding cap for anchor pole, including anchor rod body 10, it is set in anchor pole bar Cock body 20 on body 10, for fixing the limit body 40 and lock ring 50 of cock body 20, and the guiding cap 30 being connected on cock body 20.This Inventing the anchor rod body 10 being related to can be reinforcing bar, or steel strand wires.Plug muscle slot 23 and plug muscle mouth are equipped on cock body 20 24, plug muscle mouth 24 is equipped with Grouting Pipe bracket 27, and plug muscle slot 23, plug muscle mouth 24 and Grouting Pipe drag axial direction of the slot 27 from cock body 20 One end extend to the other end, and fill in muscle slot 23, plug muscle mouth 24 and Grouting Pipe and slot 27 dragged to extend from the outer wall of cock body 20 to center; T shape card slot 25 is equipped on cock body 20, T shape card slot 25 extends to the other end, and T shape card slot 25 from axial one end of cock body 20 Extend from the outer wall of the cock body 20 to center;The axial both ends of cock body 20 are provided with limiting slot 26.The limit at 20 both ends of cock body Identical limit body 40 and lock ring 50 are symmetrically arranged at slot 26, limit body 40 includes support muscle body 41 and is formed on support muscle body 41 Taper lock tongue 42, hold in the palm and form annular eyelet 43 between muscle body 41 and taper lock tongue 42, radial lock is equipped on taper lock tongue 42 Seam 49, radial eyelet 49 is through to annular eyelet 43 from the outer wall of taper lock tongue 42, and in embodiment, radial eyelet 49 is more A, multiple radial direction eyelets 49 are laid along the circumferential direction of taper lock tongue 42, can assist taper lock tongue 42 by the way that radial eyelet 49 is arranged Scaling.It is additionally provided on the support muscle body 41 and sets muscle slot 44, the taper lock tongue 42, which is equipped with, sets muscle with set that muscle slot 44 is connected to Mouthfuls 45, it sets muscle slot 44 and sets muscle mouth 45 and extend to the other end from axial one end of the limit body 40, set muscle slot 44 and plug Plug muscle slot 23 on body 20 is connected, and is additionally provided with external screw thread 47 in 42 outer wall of taper lock tongue, 50 inner wall of lock ring is equipped with and taper lock The internal screw thread 51 that the external screw thread 47 of tongue 42 matches, lock ring 50 are set in threadably outside taper lock tongue 42.Limit Body 40 further includes the limited cap 46 that support muscle body is arranged in, and limited cap 46 is used in conjunction with each other with the limiting slot 26 on cock body 20.? In embodiment, set muscle slot 44 and set muscle mouth 45 be it is multiple, it is multiple set muscle slots 44 circumferentially it is uniformly distributed support muscle body 41 on, it is more It is a that set muscle mouth 45 circumferentially uniformly distributed on taper lock tongue 42.In the present invention, guiding cap 30 is connected on the cock body 20, institute The ball 32 that guiding cap 30 includes guide cylinder 31 and is formed on one end of guide cylinder 31 is stated, in the inner wall of the guide cylinder 31 Equipped with T shape clamp rail 33, the T shape clamp rail 33 is arranged along the axial direction of the guide cylinder 31, the T shape clamp rail 33 and the cock body 20 On the T shape card slot 25 be used in combination.
As a kind of preferred embodiment of the invention, 43 width of the annular eyelet (i.e. in radial extended distance) is in 5- 15mm, the width (i.e. in circumferential extended distance) of the radial direction eyelet 49 is in 4-10mm.Preferably, the width for setting muscle mouth 45 It spends identical as the diameter for setting muscle slot 44.
As a kind of preferred embodiment of the invention, the T shape clamp rail 33 be it is multiple, multiple T shape clamp rails 33 are circumferentially It is uniformly distributed in the guide cylinder 31.As a kind of preferred embodiment of the invention, the T shape clamp rail 33 stretches out the guide cylinder 31 end, extension elongation is in 10-30mm.As a kind of preferred embodiment of the invention, the external end head thickness of the T shape clamp rail 33 Width than the T shape card slot 25 is 1-2mm small, and the inner termination thickness of the T shape clamp rail 33 is bigger than the width of the T shape card slot 25 2-3mm, and the width of the T shape clamp rail 33 is from external end head even variation to inner termination.
Technical solution of the present invention is used as carrier using cock body 20, and limit body 40 can be used in cock body 20 and lock ring 50 is quickly solid It is fixed, then the T shape clamp rail 33 of guiding cap 30 is inserted directly into installation can be completed in the T shape card slot 25 of cock body 20, assembly is constructed It is convenient, and ultrahigh in efficiency;30 end of guiding cap of the invention is provided with ball 32, and very easy decentralization is advanced in drilling, And 30 structure of guiding cap is simple, is easy to standardize batch production.
Construction procedure of the present invention is as follows: (1) being first inserted in a lock ring 50 to appropriate location from the bottom of anchor rod body 10;Again It is caught in limit body 40 from bottom, anchor rod body 10 is tucked into and is set in muscle slot 44 from the muscle mouth 45 of setting of limit body 40;(2) then from Bottom is caught in cock body 20, and anchor rod body 10 is tucked into muscle slot 23 from the plug muscle mouth 24 of cock body 20;(3) again from anchor rod body 10 bottoms are caught in a limit body 40 to cock body 20, are tucked into from the muscle mouth 45 of setting of limit body 40 and set muscle slot 44 anchor rod body 10 After interior, then from the bottom of anchor rod body 10 it is inserted in a lock ring 50;(4) limit body 40 of mobile 20 two sides of cock body is respectively to two sides Limiting slot 26 at, after appropriate adjustment cock body 20 is at a distance from two sides limit body 40 to 10 bottom of anchor rod body, by limit body 40 Limited cap 46 be directed at 26 clamping of limiting slot of cock body 20, then move the lock rings 50 of 20 two sides of limit body respectively to limit body 40 Place is screwed to tight, the i.e. installation and fixation of completion cock body 20;(5) end of Grouting Pipe 90 is filled in from the plug muscle mouth 24 of cock body On Grouting Pipe bracket 27, and clamping;(6) the T shape clamp rail 33 of guiding cap 30 is directed at the T shape card slot 25 in cock body 20, is inserted into T In shape card slot 25, and until clamping;Complete the installation of guiding cap 30.
Embodiment two
Referring to Fig.1 8 to 29, the present invention also propose it is a kind of can enhancing front and back injecting cement paste combination bearing plate, including bearing plate 60, be equipped on bearing plate and centre bore 21 and wear muscle hole 22, wear muscle hole 22 be it is multiple, multiple 22 rings of muscle hole of wearing are located at centre bore 21 All edges.The invention also includes the tube coupling hole 61 being arranged on the bearing plate 60, it is equipped with double end in tube coupling hole 61 and is spirally connected pipe 71, the double end pipe 71 that is spirally connected along axial both ends is set as first end and second end, and first end is bolted with pressure-bearing section tube coupling 72, second end Upper screw pitch has a tension section tube coupling 73, and pressure-bearing section tube coupling 72 and tension section tube coupling 73 set up separately in the two sides of the bearing plate 60, described The side wall of pressure-bearing section tube coupling 72 is equipped with the eyelet 77 being connected to the inner wall of the pressure-bearing section tube coupling 72, the tension section tube coupling 73 Side wall be equipped with the eyelet 77 that is connected to the inner wall of the tension section tube coupling 73, the tension section tube coupling 73 is spirally connected far from double end One end of pipe 71 is equipped with head plate 78, and the pressure-bearing section tube coupling 72 is connected with enhancing Grouting Pipe far from be spirally connected one end of pipe 71 of double end 93。
As a kind of preferred embodiment of the invention, the distance between the tube coupling hole 61 and the outer wall of the bearing plate 60 exist 5-15mm.As a kind of preferred embodiment of the invention, the be spirally connected both ends of pipe 71 of the double end are equipped with length in the spiral shell of 10-20mm Line portion 74, the double end be spirally connected pipe 71 length it is 20-40mm bigger than 60 thickness of bearing plate.In pressure-bearing section tube coupling 72 and tension Threaded portion 74 is corresponded in Duan Guanjie 73 equipped with connection screw thread 75.
As a kind of preferred embodiment of the invention, gasket is equipped between the pressure-bearing section tube coupling 72 and the bearing plate 60 76, gasket 76 is equipped between the tension section tube coupling 73 and the bearing plate 60, the outer diameter of the gasket 76 is than the tube coupling hole The length of the big 3-6mm of 61 diameter, the pressure-bearing section tube coupling 72 and the tension section tube coupling 73 is 60 diameter of bearing plate 2-6 times.
As a kind of preferred embodiment of the invention, the eyelet 77 of the pressure-bearing section tube coupling 72 is along the pressure-bearing section tube coupling 72 length direction is laid, and the eyelet 77 of the tension section tube coupling 73 is laid along 73 length direction of tension section tube coupling, described The horizontal space of the adjacent eyelet 77 is in 80-100mm.As a kind of preferred embodiment of the invention, the eyelet 77 is along pressure-bearing The side wall of Duan Guanjie 72 and tension section tube coupling 73 is in quincuncial arrangement.
A kind of anchor pole, including anchor rod body 10 and the bearing plate 60 for being set in anchor rod body 10, anchor rod body 10 is in pressure-bearing Plate 60 is arranged with casing 11 axially adjacent to one end of anchor head, and anchor rod body 10 is in bearing plate 60 axially adjacent to the another of anchor pole bottom End is equipped with limiting card 48, and the bearing plate 60 is using a kind of above-mentioned combination bearing plate that can enhance front and back injecting cement paste.
Using technical solution of the present invention, by the pressure-bearing section tube coupling 72 and tension section tube coupling that are mounted on 60 front and back of bearing plate 73 carry out slip casting, and slurries are persistently flowed out from eyelet 77, can purify soil bits or native slag in 60 antero-posterior extent of bearing plate, effectively solve The injecting cement paste 91 of 60 front and back of bearing plate occurs pressing from both sides mud problem in engineering, greatly improves the intensity of 60 front and back injecting cement paste 91 of bearing plate; Since 60 front and back injecting cement paste of bearing plate, 91 intensity is effectively ensured, pressure-bearing anchoring section and tension anchoring section can cooperate with carrying, hold Power is carried to greatly improve.
A kind of construction procedure for the combination bearing plate that can enhance front and back injecting cement paste is as follows: (1) penetrating anchor rod body 10 and hold Pressing plate 60;After bearing plate 60 is moved to design position, it is fixed using limiting card 48;In bearing plate 60 to anchor pole between anchor head Casing 11 is arranged on the body of rod 10;Grouting Pipe 90 is penetrated from the centre bore 21 of bearing plate 60 to projected depth;(2) by double end spiral shell Adapter tube 71 penetrates tube coupling hole 61, then is inserted in gasket 76 respectively from both ends, and adjustment double end is spirally connected pipe 71, keeps exposed end all double Head outside nut;(3) in 48 side of limiting card, tension section tube coupling 73 is screwed into double end and is spirally connected on the threaded portion 74 of pipe 71, until contact Gasket 76 stops;(4) in anchor head side, pressure-bearing section tube coupling 72 is screwed into double end and is spirally connected on the threaded portion 74 of pipe 71, until contact pins 76 stop;(5) in 60 two sides of bearing plate, while opposite direction screws pressure-bearing section tube coupling 72 and tension section tube coupling 73 to tight;(6) it is held separate On the end of the pressure-bearing section tube coupling 72 of pressing plate 60 after socket enhancing Grouting Pipe 93, anchor rod body is put into armature boring;(7) lead to The slip casting since bottom hole of Grouting Pipe 90 is crossed, when cement slurry flows at bearing plate 60, opens enhancing Grouting Pipe 93;When aperture is opened When beginning to flow out cement slurry, stop 90 slip casting of Grouting Pipe, and extract Grouting Pipe 90 out;When aperture, continuous overflow goes out cement slurry, then stop Only enhance 93 slip casting of Grouting Pipe, and extract enhancing Grouting Pipe 93 out, is i.e. the slip casting work of completion anchor pole.
Embodiment three
Referring to Fig. 3 to Figure 12, Figure 30 to 38, the present invention also proposes a kind of split type centering plug for anchor pole centering, wraps Cock body 20 is included, cock body 20 is equipped with position-limit mechanism along axial two sides, and cock body 20 is equipped with plug muscle mouth 24 and plug muscle slot 23, further includes Two half tubular shape brackets 80 are equipped with T shape clamp rail 33 in the inner wall of bracket 80, are correspondingly provided on the cock body 20 and T shape clamp rail The T shape card slots 25 of 33 cooperations, T shape card slot 25 extend from axial one end of the cock body 20 to the other end, and T shape card slot 25 is from institute The outer wall for stating cock body 20 extends to center, and the axial one end of bracket 80 is equipped with guide plate 81, is equipped with limitation in the inner wall of bracket 80 The locating part that the cock body 20 is moved to guide plate 81.
As a kind of preferred embodiment of the invention, the locating part is stop collar 82.
As a kind of preferred embodiment of the invention, the position-limit mechanism includes limit body 40 and lock ring 50, and limit body 40 wraps The taper lock tongue 42 for including support muscle body 41 and being formed on support muscle body 41 holds in the palm and forms annular eyelet between muscle body 41 and taper lock tongue 42 43, lock ring 50 is set in threadably outside taper lock tongue 42, and radial eyelet 49 is equipped on taper lock tongue 42, radial Eyelet 49 is through to annular eyelet 43 from the outer wall of taper lock tongue 42, is additionally provided on the support muscle body 41 and sets muscle slot 44, the cone Shape lock tongue 42, which is equipped with, sets muscle mouth 45 with set that muscle slot 44 be connected to, sets muscle slot 44 and sets muscle mouth 45 from 40 axial direction of limit body One end extend to the other end.
As a kind of preferred embodiment of the invention, annular 43 width of eyelet in 5-15mm, the radial direction eyelet 49 For width in 4-10mm, the width for setting muscle mouth 45 is identical as the diameter for setting muscle slot 44.
It can be in institute when 90 diameter of Grouting Pipe is greater than 10 diameter of anchor rod body as a kind of preferred embodiment of the invention It states and the Grouting Pipe bracket 27 that width directly matches with Grouting Pipe 90 is set in the middle part of the plug muscle mouth 24 of cock body 20.
As a kind of preferred embodiment of the invention, it is additionally provided with plug muscle slot 23 and plug muscle mouth 24 on the cock body 20, fills in muscle slot 23 extend to the other end from the axial one end of the cock body 20 with plug muscle mouth 24, and plug muscle mouth 24 is extended to from the outer wall of cock body 20 Fill in muscle slot 23.As a kind of preferred embodiment of the invention, it is equipped with limiting slot 26 along axial both ends on the cock body 20, it is described The end of limit body 40 sets the limited cap 46 for being correspondingly provided with and cooperating with limiting slot 26.The present invention also proposes a kind of anchor pole, including anchor Club shaft 10 and the cock body 20 for being set in anchor rod body 10, the cock body 20 use above-mentioned cock body 20, and the anchor rod body 10 is worn It is located at the plug muscle slot 23 of the cock body 20 and the described of the limit body 40 is set in muscle slot 44.
In the present invention, the structure of cock body 20 and position-limit mechanism can be identical as the counter structure of embodiment one.
After technical solution of the present invention, using two half tubular shape brackets 80, bracket 80 is directly connected on cock body 20, It is very convenient to install, and construction efficiency is high;And simple shape, it is easy to standardize batch machining production, and widely popularize application.
A kind of split type quick-mounting centering plug for anchor pole centering bracket is constructed the following steps are included: (1) anchor rod body 10 Cutting processing and put it is neat after, be first nearby inserted in first lock ring 50 to the design position of anchor rod body 10;(2) in anchor pole bar At the design position of body 10, cock body 20 is filled in, and anchor rod body 10 is tucked into muscle slot 23 from the plug muscle mouth 24 of cock body 20; Two limit bodies 40 are filled in respectively in 20 two sides of cock body again, and respectively fill in anchor rod body 10 from the muscle mouth 45 of setting of limit body 40 To setting in muscle slot 44;(3) limiting slot 26 of two limit bodies 40 to 20 two sides of cock body is moved respectively, and makes the limit of limit body 40 26 clamping of limiting slot of cap 46 and 20 corresponding side of cock body;(4) it on mobile first lock ring 50 to the limit body 40 of respective end, will lock Ring 50 is inserted on lock tongue 42, screws to tight, first limit body 40 is fixed on anchor rod body 10;(5) again to anchor rod body It is inserted in second lock ring 50 on 10, is moved on second limit body 40, lock ring 50 is inserted on lock tongue 42, screws to tight, general Second limit body 40 is fixed on anchor rod body 10, that is, completes the installation of split type centering plug;(6) by Grouting Pipe 90 from cock body 20 plug muscle mouth 45 is caught in Grouting Pipe bracket 27;(7) guide plate 81 of two brackets 80 is respectively directed to muscle body bottom, then by T Shape clamp rail 33 is directed at the T shape card slot 25 in cock body 20, is inserted into the abutting cock body 20 of stop collar 82 and stops;Complete the peace of centering bracket Dress.
Example IV
Referring to Figure 31 to 42, the invention proposes a kind of sides to fill T-type plug, including T-type plug 52, bracket 80 and lock ring 50, T-type The tapered end and plunger 521 that plug 52 is made of support muscle body 41 with taper lock tongue 42 form, and taper lock tongue 42 is formed on support muscle body 41 Or be formed on plunger 521, it holds in the palm and forms annular eyelet 43 between muscle body 41 and taper lock tongue 42, what lock ring 50 was threadedly coupled Mode is set in outside taper lock tongue 42, is equipped with radial eyelet 49 on taper lock tongue 42, and radial eyelet 49 is from taper lock tongue 42 Outer wall is through to annular eyelet 43, holds in the palm to be additionally provided on muscle body 41 and sets muscle slot 44, and taper lock tongue 42 is equipped with and sets muscle slot 44 and be connected to Set muscle mouth 45, set muscle slot 44 and set muscle mouth 45 and extend to the other end from one end of tapered end axial direction.Plug is equipped on stick harness 521 Muscle slot 23 and plug muscle mouth 24, plug muscle mouth 24 are equipped with Grouting Pipe bracket 27, the plug muscle slot 23, the plug muscle mouth 24 and Grouting Pipe It drags slot 27 to extend to the other end from axial one end of the stick harness 521, and fills in muscle mouth 24 from the outer wall of stick harness 521 to center Extend.
As a kind of preferred embodiment of the invention, it is equipped with T shape card slot 25 on stick harness 521, T shape card slot 25 is from stick harness 521 Axial one end extends to the other end, and T shape card slot 25 extends from the outer wall of stick harness 521 to center.In embodiment, the lock It is first body formed on the plunger 521.
A kind of dress T-type plug construction of side the following steps are included: 10 cutting processing of (1) anchor rod body and put it is neat after, in anchor At the design position of club shaft 10, anchor rod body 10 is tucked into muscle slot 23 from the plug muscle mouth 24 of cock body 20, while anchor pole bar Body 10 sets muscle slot 44 from muscle mouth 45 is set;(2) lock ring 50 is inserted on lock tongue 42, is screwed to tight;(3) by Grouting Pipe 90 from plug The plug muscle mouth 45 of body 20 is caught in Grouting Pipe bracket 27;(4) guide plate 81 of two brackets 80 is respectively directed to muscle body bottom, then will T shape clamp rail 33 is directed at the T shape card slot 25 in cock body 20, is inserted into the abutting cock body 20 of stop collar 82 and stops;Complete centering bracket Installation.
Embodiment five
Referring to Figure 31 to 38, Figure 50 to 51, the present invention also proposes a kind of split type support plate, the public bracket including half tubular shape 801 and half tubular shape female bracket 802, male bracket 801 forms bracket 80 with female bracket 802, and male bracket 801 and female bracket 802 are logical Cross clamping mechanism and be butted into cylinder, in male bracket 801 be equipped with the company connecting with the cock body to middle bracket in female bracket 802 Connection mechanism.
Referring to 31 to 38, as a kind of preferred embodiment of the invention, the clamping mechanism is setting in the public bracket 801 Clamp 804 and the bayonet 805 of female bracket 802 is set, axially extending, bayonet of the clamp 804 along the public bracket 801 805 along the axially extending of female bracket 802, and the card of clamp 804 leans against on bayonet 805.
As a kind of preferred embodiment of the invention, the bindiny mechanism is the T-type that the inner wall of the public bracket 801 is arranged in Clamp rail 33 and the T-type clamp rail 33 that female bracket 802 is arranged in, T-type clamp rail 33 are axially extending along the cylinder.It is using When, which can cooperate with the T-type card slot 25 in example IV.
As a kind of preferred embodiment of the invention, the inner wall of the inner wall of the male bracket 801 and female bracket 802 is all provided with The axial one end of the T-type clamp rail 33 along the cylinder is arranged in restraining position ring block 82, stop collar 82.
Referring to Figure 50 and Figure 51, as another preferred embodiment of the invention, the clamping mechanism is to be arranged in the public affairs Trapezoidal clamp rail 807 on bracket 801 and the trapezoidal card slot 808 being arranged on female bracket 802, trapezoidal clamp rail 807 is along described Public bracket 801 it is axially extending, trapezoidal card slot 808 is axially extending along female bracket 802.
As a kind of preferred embodiment of the invention, the lock of docking is equipped on the male bracket 801 and female bracket 802 Tight screw thread 809.The split type support plate of this structure can be used cooperatively with externally threaded cock body.
As a kind of preferred embodiment of the invention, the public affairs bracket 801 is equipped with along axial one end for guiding the cylinder Body is equipped with along axial one end for guiding the cylinder boring in the guide plate 81 of smooth sliding that drills, mother's bracket 802 The guide plate 81 of the smooth sliding in hole, guide plate 81 are arc panel.
Embodiment six
Referring to Figure 43 to 49, the present invention also proposes that a kind of split type lock ring, lock ring 50 include mutually matched semiannular shape Male lock ring 501 and female lock ring 502, male lock ring 501 and female 502 inner wall of lock ring are provided with internal screw thread 51, internal screw thread 51 and cone The external screw thread 47 of 42 outer wall of shape lock tongue matches, and is equipped with lock rail on public affairs 501 rings of lock, is equipped on female lock ring 502 and lock rail clip The locked groove of conjunction, male lock ring 501 and female lock ring 502 are by lock rail and locked groove engaging at cylinder.Preferably, the lock rail is trapezoidal lock Rail 503, trapezoidal lock rail 503 is trapezoidal along the circumferential section of the public lock ring 501, and the locked groove is trapezoidal locked groove 504, trapezoidal Locked groove 504 is trapezoidal along the circumferential section of female lock ring 502, and trapezoidal lock rail 503 prolongs along the axial direction of the public lock ring 501 It stretches, trapezoidal locked groove 504 is axially extending along female lock ring.
As a kind of preferred embodiment of the invention, the trapezoidal lock rail 503 of the male lock ring 501 and female lock ring 502 The axial length of trapezoidal locked groove 504 is identical.As a kind of preferred embodiment of the invention, the trapezoidal lock rail 503 and described trapezoidal The axial length of locked groove 504 is 5-10mm shorter than the axial length of the male lock ring 501 and female lock ring 502.
As a kind of preferred embodiment of the invention, the end of the public affairs lock ring 501 circumferentially has the first bearing surface 505, The end of mother's lock ring 502 circumferentially has the second bearing surface 506 cooperated with the first bearing surface 505, the trapezoidal lock rail 503 are formed in the first bearing surface 505, and the trapezoidal locked groove 504 is formed on second bearing surface 506.It is proposed by the present invention Split type lock ring can be used as individual accessory production and sell, and can be used in the anchor pole of various structures, such as one He of embodiment It in the anchor pole of example IV, is used in anchor pole, without need to only design by being slid into taper lock tongue in anchor rod body 10 Position after being surrounded anchor rod body 10 with male lock ring 501 and female lock ring 502, is blocked by trapezoidal lock rail 503 with trapezoidal locked groove 504 The assembly that lock ring 50 can be completed is connect, is had the advantages that quick and easy for installation.
Embodiment seven
The present invention also proposes a kind of seperated assembled centering bracket, by the split type support plate of embodiment five and implementation four Side dress T-type plug is combined together as centering bracket, it is preferable that this in middle bracket, lock ring is using the fission implemented in six Formula lock ring.
T-type plug 52 of the invention can be using the cock body 20 and limit body 40 with embodiment one.Preferably, 40 He of limit body Cock body 20 is integrated.
The present invention also proposes a kind of anchor pole, described including anchor rod body 10 and the centering bracket for being set in anchor rod body 10 Centering bracket uses above-mentioned centering bracket.Seperated assembled centering bracket of the invention, two half tubular shape brackets 80 form annulus Shape support, big with hole wall contact area, contact pressure is small, will not depression enter in the hole wall soil body, can guarantee anchor pole in work progress The body of rod 10 is in middle position always, guarantees the cohesive force of anchor rod body 10 and injecting cement paste 91, and 80 outer diameter of bracket can be according to brill The customization of hole aperture demand, can guarantee the accurate centering of anchor rod body 10;Guide plate 81 of the invention, can make anchor rod body 10 be put into brill During hole, it is easy to it slides into drilling, will not only cut the hole wall soil body and generate native slag, it instead can be to borehole wall Certain compaction is played, the bearing capacity of anchor rod body 10 Yu injecting cement paste 91 is further increased;T-type plug 52 of the invention is taken It is mounted laterally anchor rod body 10 and Grouting Pipe 90, directly blocks anchor rod body 10 from plug muscle mouth 24 in 10 design position of anchor rod body Enter T-type plug 52, install convenient, site operation efficiency greatly improves;Lock ring 50 of the invention takes split type public lock ring 501 It can be from anchor by the cooperation of the trapezoidal locked groove 504 of the trapezoidal lock rail 503 and female lock ring 502 of male lock ring 501 with female lock ring 502 Anchor rod body 10 is inserted in lock ring 50 outside club shaft 10, T-type plug 52 can be fixed by being screwed on taper lock tongue 42, be avoided The cumbersome of closed type lock ring 50, install convenient are penetrated on anchor rod body 10, site operation efficiency greatly improves.Bracket of the invention 80 include T-type clamp rail 33, the installation of bracket 80 can be completed by being caught in the matched T-type card slot 25 of T-type plug 52, construction efficiency is significantly It improves.Seperated assembled centering bracket is made of T-type plug 52, bracket 80 and lock ring 50, due to taking seperated fabricated construction, no Can only greatly improve the construction efficiency of 10 centering of anchor rod body, and can modularization, standardization, can batch machining production.
A kind of split type quick-mounting type centering bracket for anchor pole, construction the following steps are included:
(1) it is put after processing anchor rod body 10 and Grouting Pipe 90 by design length neat;(2) it is set on anchor rod body 10 At the centering backing positions of meter, anchor rod body 10 is caught in plug muscle slot 23 from the plug muscle mouth 24 of T-type plug 52, while by anchor pole bar Body 10 sets muscle slot 44 from setting muscle mouth 45 and be caught in, and Grouting Pipe 90 is caught in Grouting Pipe bracket 27 from the plug muscle mouth 24 of T-type plug 52; (3) in 42 side of taper lock tongue of T-type plug 52, anchor rod body 10 is inserted in lock ring 50 with male lock ring 501 and female lock ring 502, and The trapezoidal lock rail 503 of male lock ring 501 is caught in the trapezoidal locked groove 504 of female lock ring 502, then combined lock ring 50 is inserted in taper On the external screw thread 47 of lock tongue 42, screws to tight, T-type plug 52 is fixed on anchor rod body 10;(4) by the guide plate 81 of bracket 80 It is directed toward 10 bottom of anchor rod body, the T shape clamp rail 33 of public bracket 801 is directed at the T shape card slot 25 in T-type plug 52, is inserted into and is tightly Only;Same procedure is taken, female bracket 802 is inserted on T-type plug 52, and the clamp 804 of male bracket 801 is made to be caught in female bracket In 802 bayonet 805, that is, complete the installation of seperated assembled centering bracket.It (6), can be in the stick harness 521 of T-type plug as supplement Side bundlees anchor rod body 10 using muscle 803 is pricked.
In the present invention, the bearing plate 60 of embodiment two can be used in the anchor pole of embodiment one, three, four.Embodiment one Guiding cap 30 can also be used in the anchor pole of embodiment two, three, four.Bracket in multiple pairs can be set in anchor rod body 10, Multiple centering brackets are laid along the axial direction of anchor rod body 10.
In the present invention, icon 92 indicates Rock And Soil 92.
Product form of the invention is not limited to this case diagram and embodiment, anyone carries out the appropriate of similar thinking to it Changes or modifications all should be regarded as not departing from patent category of the invention.

Claims (9)

1. a kind of seperated assembled centering bracket for anchor pole, including T-type plug, bracket and lock ring, it is characterised in that: the T The tapered end and stick harness that type plug is made of support muscle body with taper lock tongue form, the taper lock tongue be formed on the support muscle body or Annular eyelet is formed on plunger, between the support muscle body and the taper lock tongue, the lock ring is arranged threadably Outside the taper lock tongue, radial eyelet is equipped on the taper lock tongue, the radial direction eyelet is outside the taper lock tongue Wall is through to annular eyelet, is additionally provided on the support muscle body and sets muscle slot, and the taper lock tongue is equipped with to be set with set that muscle slot is connected to Muscle mouth sets muscle slot and sets muscle mouth and extend to the other end from one end of tapered end axial direction, is equipped on the stick harness and fills in muscle slot With plug muscle mouth, the plug muscle mouth equipped with Grouting Pipe bracket, the plug muscle slot, the plug muscle mouth and the Grouting Pipe drag slot from Axial one end of the stick harness extends to the other end, and the plug muscle mouth extends from the outer wall of the stick harness to center;It is described T shape card slot is equipped on stick harness, the T shape card slot extends to the other end, and the T shape card slot from one end of the stick harness axial direction Extend from the outer wall of the stick harness to center, the bracket includes two half tubular shape brackets, is equipped with T shape in the inner wall of the bracket Clamp rail, the T shape clamp rail are matched with the T shape card slot on the stick harness, and one end of the bracket axial direction is equipped with guide plate.
2. a kind of seperated assembled centering bracket for anchor pole as described in claim 1, it is characterised in that: the lock ring packet The male lock ring and female lock ring of mutually matched semiannular shape are included, the male lock ring and female lock ring inner wall are provided with interior spiral shell Line, the internal screw thread are matched with the external screw thread of the taper lock tongue outer wall, are provided in the annular wall of the public affairs lock ring Trapezoidal lock rail, is provided on mother's lock ring and the trapezoidal trapezoidal locked groove that matches of lock rail, trapezoidal lock rail and trapezoidal locked groove Along the axially extending of the lock ring.
3. a kind of seperated assembled centering bracket for anchor pole as described in claim 1, it is characterised in that: the public affairs lock ring Identical with female axial length of lock ring, the trapezoidal lock rail is identical as the axial length of the trapezoidal locked groove.
4. a kind of seperated assembled centering bracket for anchor pole as described in claim 1, it is characterised in that: the trapezoidal lock Axial length of the axial length of rail and the trapezoidal locked groove than the male lock ring and female lock ring is 5-10mm short.
5. a kind of seperated assembled centering bracket for anchor pole as described in claim 1, it is characterised in that: the ring lock Slit width degree is in 5-15mm, and the width of the radial direction eyelet is in 4-10mm, the width for setting muscle mouth and the diameter for setting muscle slot It is identical.
6. a kind of seperated assembled centering bracket for anchor pole as described in claim 1, it is characterised in that: two supports Frame is set to male bracket and female bracket, and public bracket is equipped with clamp, and female bracket is equipped with the bayonet cooperated with clamp.
7. a kind of seperated assembled centering bracket for anchor pole as described in claim 1, it is characterised in that: the T shape card The length of rail is 10-30mm bigger than the thickness of the T-type plug.
8. a kind of seperated assembled centering bracket for anchor pole as described in claim 1, it is characterised in that: the bracket Inner wall, which is equipped with, limits the stop collar that the T-type plug move to guide plate, stop collar setting the cock body and the guide plate it Between, the thickness of the stop collar is in 5-15mm.
9. a kind of anchor pole, including anchor rod body and the centering bracket for being set in anchor rod body, it is characterised in that: the centering bracket Using a kind of described in any item seperated assembled centering brackets for anchor pole of claim 1 to 8.
CN201910249879.6A 2019-03-29 2019-03-29 Split assembled centering support for anchor rod and anchor rod Active CN110055961B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102304919A (en) * 2011-07-12 2012-01-04 曾庆义 Device and anchor rod capable of being arranged on anchor rod anchoring section or/ and free-section rod body
CN104164874A (en) * 2013-05-16 2014-11-26 建研地基云南有限公司 Expansive soil anchor rope stop-grouting plug, and anchor rope structure using same and construction method thereof
CN207314335U (en) * 2017-09-22 2018-05-04 成都四海岩土工程有限公司 A kind of lithostratigraphy multistage enlarging anchor rod
CN207553094U (en) * 2017-10-25 2018-06-29 中国电建集团华东勘测设计研究院有限公司 A kind of anchor pole centering stent
CN210395334U (en) * 2019-03-29 2020-04-24 华侨大学 Split assembly type centering support for anchor rod and anchor rod

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102304919A (en) * 2011-07-12 2012-01-04 曾庆义 Device and anchor rod capable of being arranged on anchor rod anchoring section or/ and free-section rod body
CN104164874A (en) * 2013-05-16 2014-11-26 建研地基云南有限公司 Expansive soil anchor rope stop-grouting plug, and anchor rope structure using same and construction method thereof
CN207314335U (en) * 2017-09-22 2018-05-04 成都四海岩土工程有限公司 A kind of lithostratigraphy multistage enlarging anchor rod
CN207553094U (en) * 2017-10-25 2018-06-29 中国电建集团华东勘测设计研究院有限公司 A kind of anchor pole centering stent
CN210395334U (en) * 2019-03-29 2020-04-24 华侨大学 Split assembly type centering support for anchor rod and anchor rod

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