CN208816156U - A kind of self-feeding anchor pile and anchor pile - Google Patents

A kind of self-feeding anchor pile and anchor pile Download PDF

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Publication number
CN208816156U
CN208816156U CN201821182286.XU CN201821182286U CN208816156U CN 208816156 U CN208816156 U CN 208816156U CN 201821182286 U CN201821182286 U CN 201821182286U CN 208816156 U CN208816156 U CN 208816156U
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rod
anchor pile
self
connector sleeve
installing pipe
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CN201821182286.XU
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张连军
张伟琪
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Beijing Tunnel Shield Municipal Construction Co Ltd
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Beijing Tunnel Shield Municipal Construction Co Ltd
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Abstract

The utility model discloses a kind of self-feeding anchor pile, major design main points are, including the hollow body of rod, external screw thread is provided on the body of rod, connector sleeve are provided between the body of rod and the body of rod, and the end thread of connector sleeve is connected on the body of rod;The body of rod one end to link together is equipped with drill bit, is successively cased with stop grouting plug, backing plate and nut on one end far from drill bit;Chisel edge offers injected hole, injected hole is connected to the body of rod, nut is threadedly coupled with the body of rod, installing pipe is provided on the outer wall of the connector sleeve, the length direction of installing pipe and the length direction of the body of rod are parallel, installing pipe is fixed on connector sleeve, and exhaust pipe is inserted in installing pipe, and exhaust pipe extends across stop grouting plug and backing plate from connector sleeve to stop grouting plug direction.Exhaust is more unobstructed when the utility model has the advantages that for deep hole bolt grouting.

Description

A kind of self-feeding anchor pile and anchor pile
Technical field
The utility model relates to anchor bolt construction field, in particular to a kind of self-feeding anchor pile and anchor pile.
Background technique
For anchor pole using relatively broad in existing engineering construction, anchor pole is chiefly used in suspension roof support, by suspension roof support plus Gu earth's surfaces engineerings such as side slope, ground deep basal pits;It is also applied to the construction of the underground chambers such as tunnel, stope, anchor pole generally requires on side It drills on slope or ground, is inserted into anchor pole and exhaust pipe, filling concrete is starched around anchor pole, and cement slurry generally uses water The mixed liquor of mud and waterglass.
The anchor pole of self-advancing type includes drill bit and hollow rod piece, and drill bit is mounted on the end of rod piece, uses rotary rock drill It is rotated with the body of rod, so that one end with drill bit drill on ground, then the dust in cleaning eye after drilling is completed, then Cement slurry is poured into from the end Xiang Kongzhong of rod piece.
But the anchor pole of self-advancing type is not needed to extract, but cement grouting is directly carried out, so in installation exhaust pipe When, exhaust pipe is placed only in aperture, after rock-bolt length lengthens, when drilling depth is larger, be easy to cause exhaust unsmooth.
Utility model content
In view of the deficienciess of the prior art, having the purpose of this utility model is to provide a kind of self-feeding anchor pile More unobstructed advantage is vented when for deep hole bolt grouting.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of self-feeding anchor pile is provided with external screw thread, is provided between the body of rod and the body of rod including the hollow body of rod on the body of rod Connector sleeve, and the end thread of connector sleeve is connected on the body of rod;The body of rod one end to link together is equipped with drill bit, far from drill bit One end on be successively cased with stop grouting plug, backing plate and nut;Chisel edge offers injected hole, and injected hole is connected to the body of rod, nut It is threadedly coupled with the body of rod, installing pipe, the length direction of installing pipe and the length side of the body of rod is provided on the outer wall of the connector sleeve To parallel, installing pipe is fixed on connector sleeve, and exhaust pipe is inserted in installing pipe, and exhaust pipe extends from connector sleeve to stop grouting plug direction And pass through stop grouting plug and backing plate.
By using above-mentioned technical proposal, in use, staff is during drilling, in the installing pipe of connector sleeve It is inserted with exhaust pipe, if connecting multiple connector sleeves, exhaust pipe is inserted into each installing pipe, after the length of the body of rod is enough, drilling It completes, successively installs the nut of stop grouting plug, backing plate in the end of the body of rod, exhaust pipe also passes through stop grouting plug and backing plate, then exists When pouring into cement slurry into the body of rod, the gas in drilling is flowed out out of gas vent, when cement slurry reaches first connector sleeve, outward Exhaust pipe is drawn, until cement slurry is full of entire drilling, so that exhaust when deep hole bolt grouting be made to be easier.
The utility model is further arranged to: the exhaust pipe is the plastic tube of elasticity, and the internal diameter of installing pipe is less than exhaust The outer diameter of pipe.
By using above-mentioned technical proposal, the outer diameter of exhaust pipe is greater than the internal diameter of installing pipe, and exhaust pipe is inserted into installing pipe When interior, exhaust pipe is extruded in exhaust pipe in installing pipe, so that it is stronger so that exhaust pipe is stuck in installing pipe internal ratio by deformation.
The utility model is further arranged to: the installing pipe is uniformly arranged at least on the circumferencial direction of connector sleeve outer wall Three.
By using above-mentioned technical proposal, installing pipe is uniformly arranged on the outer wall of connector sleeve, on the one hand multiple in installation When connector sleeve, installing pipe can be quickly corresponded to, keeps exhaust pipe straightness more preferable, on the other hand multiple installing pipes can make the body of rod Relatively good to neutrality, vent ratio is smoother.
The utility model is further arranged to: the installing pipe is wholely set to be formed with connector sleeve.
By using above-mentioned technical proposal, installing pipe is integrally disposed upon on connector sleeve, can make installing pipe and connector sleeve one Body casts to be formed, and forming is fairly simple, and in addition intensity is relatively high, reduces installing pipe and falls from connector sleeve.
The utility model is further arranged to: the plate face of the backing plate arches upward, and direction of arching upward is towards nut.
By using above-mentioned technical proposal, backing plate arches upward and towards the side of nut, and stop grouting plug is made to be located at the arch of backing plate Shape bottom, it is preferable to the sealing effect of stop grouting plug when being sealed aperture.
The utility model is further arranged to: the front end of the drill bit is cross.
By using above-mentioned technical proposal, the front end of drill bit is cross, thus make drill bit when being drilled, it is relatively more flat Surely.
The utility model is further arranged to: the stop grouting plug is truncated cone-shaped, and the major part of stop grouting plug is towards nut.
By using above-mentioned technical proposal, stop grouting plug is arranged to truncated cone-shaped, is located in hole by the small end of stop grouting plug, and The big end of stop grouting plug is located at outside hole, and the leakproofness by the conical surface device to hole of stop grouting plug is relatively good.
The utility model is further arranged to: the stop grouting plug is made of the plastic material of elasticity.
By using above-mentioned technical proposal, stop grouting plug is arranged to elasticity, and is the material of plastics, and stop grouting plug is made to pass through change Shape squeezes the leakproofness for making stop grouting plug further increase device to hole in aperture.
A kind of anchor pile is located in soil layer, including self-feeding anchor pile;Self-feeding anchor pile includes the hollow body of rod, on the body of rod It is provided with external screw thread, connector sleeve is provided between the body of rod and the body of rod, and the end thread of connector sleeve is connected on the body of rod;It is connected to Body of rod one end together is equipped with drill bit, is successively cased with stop grouting plug, backing plate and nut on one end far from drill bit;Chisel edge is opened Equipped with injected hole, injected hole is connected to the body of rod, and nut is threadedly coupled with the body of rod, and installation is provided on the outer wall of the connector sleeve Pipe, the length direction of installing pipe and the length direction of the body of rod are parallel, and installing pipe is fixed on connector sleeve, and exhaust is inserted in installing pipe Pipe, exhaust pipe extend across stop grouting plug and backing plate from connector sleeve to stop grouting plug direction;Stake holes, self-advancing type anchor are offered on soil layer Bar is inserted into stake holes;Anchor pile further includes the cement slurry being set between self-feeding anchor pile and stake holes inner wall.
By using above-mentioned technical proposal, starches, be exhausted out of exhaust pipe, cement slurry in the middle part casting cement of the body of rod It is filled between self-feeding anchor pile and the inner wall of stake holes, forms anchor pile after final cement slurry solidification.
In conclusion the utility model has the following beneficial effects:
1. installing pipe is located on connector sleeve, the exhaust pipe energy being inserted into installing pipe by the way that installing pipe is arranged on the body of rod Enough make the position of exhaust at a distance from cement injection in the length range of a body of rod, the patency of the exhaust of raising;
2. being greater than the internal diameter of installing pipe by the outer diameter of rubber material and exhaust pipe that exhaust pipe is elasticity, make exhaust pipe Installation in installing pipe is more convenient.
Detailed description of the invention
Fig. 1 is the perspective view of self-feeding anchor pile;
Fig. 2 is the cross-sectional view in the direction Figure 1A-A;
Fig. 3 is the structural schematic diagram of anchor pile.
Appended drawing reference: the 1, body of rod;2, drill bit;21, injected hole;3, connector sleeve;4, installing pipe;5, exhaust pipe;6, stop grouting plug; 7, backing plate;8, nut;9, relief hole;10, soil layer;11, stake holes.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to It is the direction in attached drawing 1, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry The direction at center.
A kind of self-feeding anchor pile, with reference to Fig. 1, including the body of rod 1, the body of rod 1 is tubulose, and external screw thread is provided with outside the body of rod 1.It uses When, 1 one end of the body of rod is provided with drill bit 2, drives the body of rod 1 to rotate by rock drill, the drill bit 2 of 1 end of the body of rod is with 1 turn of the body of rod It is dynamic.In conjunction with Fig. 3, drill bit 2 carries out drilling against soil layer 10 and forms stake holes 11, and soil layer 10 can be selected at side slope or rock-soil layer.
With reference to Fig. 1, the length of the body of rod 1 is generally insufficient, so the body of rod 1 needs to connect when designing deeper anchoring wall, So being equipped with connector sleeve 3 far from one end of drill bit 2 in the body of rod 1, connector sleeve 3 is threadedly coupled with the body of rod 1, connector sleeve 3 it is another End connects another body of rod 1, so that two bodies of rod 1 is linked together by connector sleeve 3, and the axis collinear of two bodies of rod 1, thus Increase the depth of stake holes 11.
With reference to Fig. 2, drill bit 2 generally uses alloy bit 2, and across is arranged in the end of drill bit 2, and 2 diameter of drill bit is greater than The diameter of the body of rod 1, so that the size of drill bit 2 determines the size of stake holes 11.2 end of drill bit offers injected hole 21, injected hole 21 Lead to the middle part of the body of rod 1.During drilling, be passed through gas into the body of rod 1, from injected hole 21 flow out gas device to hole in into Enter cleaning, reduce soil dust, improves the setting strength of casting cement slurry.
With reference to Fig. 1 and Fig. 2, after rock-bolt length lengthening, the depth of drilling can also be improved, in the slip casting into hole, in hole Air need to be discharged, when in order to keep 11 depth of stake holes deeper, the gas in hole is also easily drained, on the outer wall of connector sleeve 3 Be wholely set installing pipe 4, there are three installing pipe 4 is arranged on the circumferencial direction of connector sleeve 3, the length direction of installing pipe 4 with The length direction of connector sleeve 3 is parallel, and exhaust pipe 5 is inserted in one of installing pipe 4, and exhaust pipe 5 prolongs to the direction far from drill bit 2 It stretches.
With reference to Fig. 2, exhaust pipe 5 is made of the plastic material of elasticity, and the internal diameter of installing pipe 4 is less than the outer of exhaust pipe 5 Diameter makes exhaust pipe 5 when being inserted into installing pipe 4, and exhaust pipe 5 can squeeze in installing pipe 4, has certain consolidate to exhaust pipe 5 It is set for using.
With reference to Fig. 2,1 one end of the body of rod to be linked together by connector sleeve 3 is drill bit 2, and one end far from drill bit 2 successively covers There are stop grouting plug 6, backing plate 7 and nut 8, nut 8 is threadedly coupled with the body of rod 1, offers relief hole on stop grouting plug 6 and backing plate 7 9, exhaust pipe 5 is inserted in relief hole 9 through stop grouting plug 6 and backing plate 7.The plate face setting of backing plate 7 is arched, and backing plate 7 is to nut 8 Side arch upward.Truncated cone-shaped is arranged to for stop grouting plug 6, the major part of stop grouting plug 6 is towards nut 8, and stop grouting plug 6 is elastic Plastic material is made, and stop grouting plug 6 is enable to play good plugging action when being located at aperture.
A kind of forming process of anchor pile:
1. installation drill bit 2 carries out drilling on soil layer 10 and forms stake holes 11 in the end of the body of rod 1, increase bar with connector sleeve 3 The length of body 1, and be through in the installing pipe 4 of each connector sleeve 3 with exhaust pipe 5;
2. successively covering stop grouting plug 6, backing plate 7 and nut 8 in one end far from drill bit 2, and exhaust pipe 5 is inserted in relief hole The outside in hole is reached in 9;
3. being flowed out in the injected hole 21 of drill bit 2, the gas in hole passes through row by being passed through cement slurry at the middle part of the body of rod 1 Tracheae 5 is discharged, and when cement slurry reaches the end of exhaust pipe 5, is pulled outwardly exhaust pipe 5 and arrives down outside installing pipe 4 once, continues water-filling Mud finally makes cement slurry be full of entire stake holes 11, forms anchor pile after cement slurry sets.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (9)

1. a kind of self-feeding anchor pile, including the hollow body of rod (1), it is provided with external screw thread on the body of rod (1), the body of rod (1) and the body of rod (1) Between be provided with connector sleeve (3), and the end thread of connector sleeve (3) is connected on the body of rod (1);The body of rod (1) to link together One end is equipped with drill bit (2), is successively cased with stop grouting plug (6), backing plate (7) and nut (8) on one end far from drill bit (2);Drill bit (2) front end offers injected hole (21), and injected hole (21) is connected to the body of rod (1), and nut (8) is threadedly coupled with the body of rod (1), special Sign is: being provided with installing pipe (4) on the outer wall of the connector sleeve (3), the length direction of installing pipe (4) and the length of the body of rod (1) Degree direction is parallel, and installing pipe (4) is fixed on connector sleeve (3), is inserted with exhaust pipe (5) in installing pipe (4), and exhaust pipe (5) is from even Female connector (3) extends across stop grouting plug (6) and backing plate (7) to stop grouting plug (6) direction.
2. a kind of self-feeding anchor pile according to claim 1, it is characterised in that: the exhaust pipe (5) is the plastics of elasticity Pipe, the internal diameter of installing pipe (4) are less than the outer diameter of exhaust pipe (5).
3. a kind of self-feeding anchor pile according to claim 1, it is characterised in that: the installing pipe (4) connector sleeve (3) outside At least three are uniformly arranged on the circumferencial direction of wall.
4. a kind of self-feeding anchor pile according to claim 3, it is characterised in that: the installing pipe (4) and connector sleeve (3) one Body is arranged to be formed.
5. a kind of self-feeding anchor pile according to claim 1, it is characterised in that: the plate face of the backing plate (7) arches upward, and Direction arch upward towards nut (8).
6. a kind of self-feeding anchor pile according to claim 1, it is characterised in that: the front end of the drill bit (2) is cross.
7. a kind of self-feeding anchor pile according to claim 1, it is characterised in that: the stop grouting plug (6) is truncated cone-shaped, and only The major part of slurry plug (6) is towards nut (8).
8. a kind of self-feeding anchor pile according to claim 7, it is characterised in that: the stop grouting plug (6) is the plastics of elasticity Material is made.
9. a kind of anchor pile is located in soil layer (10), which is characterized in that including self-feeding anchor pile described in claim 1, soil layer (10) it is offered on stake holes (11), self-feeding anchor pile is inserted into stake holes (11);Anchor pile further include be set in self-feeding anchor pile with Cement slurry between stake holes (11) inner wall.
CN201821182286.XU 2018-07-24 2018-07-24 A kind of self-feeding anchor pile and anchor pile Active CN208816156U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821182286.XU CN208816156U (en) 2018-07-24 2018-07-24 A kind of self-feeding anchor pile and anchor pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821182286.XU CN208816156U (en) 2018-07-24 2018-07-24 A kind of self-feeding anchor pile and anchor pile

Publications (1)

Publication Number Publication Date
CN208816156U true CN208816156U (en) 2019-05-03

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CN201821182286.XU Active CN208816156U (en) 2018-07-24 2018-07-24 A kind of self-feeding anchor pile and anchor pile

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112253198A (en) * 2020-09-25 2021-01-22 中铁隆昌铁路器材有限公司 Composite hollow anchor rod assembly and mounting method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112253198A (en) * 2020-09-25 2021-01-22 中铁隆昌铁路器材有限公司 Composite hollow anchor rod assembly and mounting method thereof
CN112253198B (en) * 2020-09-25 2022-08-26 中铁隆昌铁路器材有限公司 Composite hollow anchor rod assembly and mounting method thereof

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