CN111622129A - Locking anchor bolt and cliff abutment construction method applying same - Google Patents
Locking anchor bolt and cliff abutment construction method applying same Download PDFInfo
- Publication number
- CN111622129A CN111622129A CN202010513077.4A CN202010513077A CN111622129A CN 111622129 A CN111622129 A CN 111622129A CN 202010513077 A CN202010513077 A CN 202010513077A CN 111622129 A CN111622129 A CN 111622129A
- Authority
- CN
- China
- Prior art keywords
- locking
- hole
- groove
- screw rod
- prefabricated steel
- 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.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/10—Cantilevered erection
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
Abstract
The invention relates to a locking anchor bolt and a construction method of a cliff abutment applying the same, wherein the locking anchor bolt comprises a body, one end of the body is provided with a chute, the other end of the body is fixedly connected to prefabricated steel bars, a locking block is connected in the chute in a sliding manner, the side wall of the locking block is circumferentially provided with an annular groove, a plurality of locking pieces are hinged in the annular groove, a first spring is fixedly connected between each locking piece and the bottom of the annular groove, and a driving piece for driving the locking block to protrude out of the chute opening so as to enable the locking pieces to pop out and be embedded into the wall of a through hole. The invention can lock the prefabricated steel bar penetrating into the through hole, reduce the trend that the prefabricated steel bar moves outwards in the through hole and improve the connection tightness between the prefabricated steel bar and the foundation pit.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a locking anchor bolt and a construction method of a cliff abutment applying the same.
Background
The bridge generally consists of an upper structure, a lower structure and an auxiliary structure, wherein the upper structure mainly refers to a bridge span structure and a support system; the substructure includes a bridge abutment, a pier and a foundation.
In the prior art, on cliff walls of two mountains in a scenic area, a bridge is usually erected for visitors to pass through, and in the process of bridging, a foundation pit 1 for placing an abutment as shown in fig. 1 is usually formed on the cliff walls, and then a plurality of through holes 11 are formed in the bottom and the side walls of the foundation pit 1 so as to be used for penetrating prefabricated steel bars 12, the end parts of the prefabricated steel bars 12 are abutted against the bottom of the through holes 11, and then the openings of the through holes 11 are filled with concrete so as to fix the prefabricated steel bars 12.
The above prior art solutions have the following drawbacks: in the process of inserting the ends of the precast reinforcing bars 12 into the through holes 11 and fixing the precast reinforcing bars with concrete, since the number of the precast reinforcing bars 12 to be inserted is large, in the construction process, all the prefabricated steel bars 12 are usually inserted into the through holes 11 and then fixed by concrete, in this process, there is a problem that a constructor touches the precast reinforcing bars 12, so that a part of the precast reinforcing bars 12 is loosened from the through-holes 11, particularly, when the rock which meets the cliff wall is the rhytidome rock, the rhytidome rock is internally provided with a cavity, has uneven hardness and is softer, the prefabricated steel bars 12 positioned in the through holes 11 are easy to move outwards, the length of the part of the prefabricated steel bars 12 positioned in the through holes 11 is reduced, and once the prefabricated steel bars are fixed by concrete, the connection tightness between the reinforcing bars of this portion and the foundation pit 1 is reduced as compared with other reinforcing bars, and needs to be improved.
Disclosure of Invention
Aiming at the defects in the prior art, one of the purposes of the invention is to provide a locking anchor bolt which can lock a prefabricated steel bar penetrating into a through hole, reduce the outward movement of the prefabricated steel bar in the through hole and improve the connection tightness between the prefabricated steel bar and a foundation pit.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a locking anchor bolt, includes the body, the spout has been seted up to the one end of body, and other end fixed connection is on prefabricated reinforcing bar, the spout internal slip is connected with the locking block, the annular has been seted up to circumference on the lateral wall of locking block, it has a plurality of locking plates to articulate in the annular, the locking plate with the first spring of fixedly connected with between the tank bottom of annular, this internal drive that still is equipped with the locking block protrusion in spout notch, messenger the locking plate pops out and imbeds driving piece in the through-hole pore wall.
Through adopting above-mentioned technical scheme, wear to establish the precast reinforcement to the through-hole when inside, the accessible will have the precast reinforcement one end of locking crab-bolt and insert to the through-hole in, the rethread starts the driving piece, in order to promote the notch of locking piece protrusion in the spout, the constraint of the cell wall to first spring of spout is relieved this moment, make first spring restore by the contraction state, and at the in-process produced elasticity drive locking piece back to the motion of locking piece that restores, and make the locking piece keep away from the tip embedding of pin joint to the pore wall of through-hole in, and then can strengthen the fastening of being connected between locking crab-bolt and the through-hole pore wall, and then make the precast reinforcement wear to establish to the through-hole inside after, reduce the tendency that the outward movement appears in the through-hole in the precast reinforcement, be favorable to improving the fastening of.
The present invention in a preferred example may be further configured to: the groove bottom of spout has seted up logical groove, the driving piece include fixed connection in the groove bottom of logical groove with the second spring between the locking block, compress the second spring and restrict the locking block in the locating part in the spout.
Through adopting above-mentioned technical scheme, when needs promote the notch of locking piece protrusion in the spout, through removing the locating part to remove the fixed to the locking piece, and then make the second spring restore by compression state, and promote the locking piece back to the body motion until the locking piece protrusion in the notch of spout.
The present invention in a preferred example may be further configured to: the locking piece orientation the thread groove has been seted up on the lateral wall of second spring, the locating part include threaded connection in screw rod, coaxial coupling in the thread groove are in screw rod, coaxial coupling are kept away from the screw rod the pivot of locking plate one end, be equipped with the rotation hole that runs through the prefabricated steel lateral wall in the prefabricated steel, the pivot is kept away from the one end protrusion of spout in the drill way of through-hole and wear to establish extremely in the rotation hole.
Through adopting above-mentioned technical scheme, when needs relieved spacing to the locking piece, the accessible stretches into the downthehole rotation pivot of rotation with hand or rotation instrument to drive the screw rod at the thread groove internal rotation, make the screw rod break away from the thread groove gradually, and then contactable is fixed to the locking piece.
The present invention in a preferred example may be further configured to: the locking piece is connected with a pull wire, one end of the pull wire, which is far away from the locking piece, penetrates through the locking block and is fixedly connected to the bottom of the through groove, a cutting piece for cutting off the pull wire is arranged between the screw rod and the bottom of the through groove, and the second spring is positioned on one side, back to the screw rod, of the cutting piece.
Through adopting above-mentioned technical scheme, act as go-between through the setting to strengthen the power to the locking plate to the locking piece direction, in order to overcome the outside motive force of first spring to the locking plate, in order to reduce the locking plate under first spring action and the spout cell wall between the friction, and rotate the in-process that breaks away from the thread groove at the screw rod, sever through the cutting piece and act as go-between, in order to relieve the pulling force to the locking plate, and then can make the locking plate pop out behind the notch that makes the locking piece protrusion spout.
The present invention in a preferred example may be further configured to: the cutting part comprises a cutting blade connected in the inner groove in a sliding manner and a driving ring arranged on the screw rod, the pull wire is fixed at the bottom of the inner groove of the screw rod, the cutting blade is back to the bottom of the inner groove of the screw rod, and the driving ring is used for pushing the cutting blade to move towards the pull wire and cutting off the pull wire.
Through adopting above-mentioned technical scheme, when the screw rod rotates the in-process that breaks away from the thread groove, the drive ring on the screw rod moves and contacts the cutting piece to cutting piece direction, and at the same time at the screw rod and last along the in-process that breaks away from the thread groove direction motion, the drive ring promotes the cutting piece and to the motion of acting as go-between and cut off the acting as go-between.
The present invention in a preferred example may be further configured to: the cutting piece orientation be equipped with the direction inclined plane on the lateral wall of screw rod, direction inclined plane is followed the screw rod to locking plate direction is the slope and upwards sets up.
Through adopting above-mentioned technical scheme, through setting up the direction inclined plane to it is faster when making the drive ring promote the motion of cutting piece, and then can accelerate the cutting of cutting piece to acting as go-between.
The present invention in a preferred example may be further configured to: the distance from the end face of the driving ring back to the screw to the bottom of the through groove is smaller than the groove depth of the thread groove.
By adopting the technical scheme, when the driving ring drives the cutting blade to start cutting the stay wire, part of the screw rod is still positioned in the thread groove, so that the cutting time of the cutting blade on the stay wire can be prolonged, and the cutting blade can smoothly cut the stay wire after the screw rod is separated from the thread groove.
Aiming at the defects in the prior art, the invention also aims to provide a construction method of the cliff abutment using the locking anchor bolt, which can lock the prefabricated steel bar penetrating into the through hole, reduce the outward movement of the prefabricated steel bar in the through hole and improve the connection tightness between the prefabricated steel bar and the foundation pit.
The above object of the present invention is achieved by the following technical solutions:
a construction method of a cliff abutment applying a locking anchor bolt comprises the following steps:
step S1, building a construction model by using a BIM technology, and determining a construction range according to the construction model;
step S2, constructing and forming a foundation pit for placing the abutment according to the measured construction range;
step S3, uniformly selecting a plurality of hole sites on the bottom and the wall of the foundation pit, and forming corresponding through holes for the prefabricated steel bars to penetrate through by a drilling machine;
step S4, fixing a locking anchor bolt at the end part of the prefabricated steel bar ready to penetrate into the through hole;
step S5, the locking anchor bolt and the prefabricated steel bar are arranged in the through hole in a penetrating mode until the locking anchor bolt contacts the bottom of the through hole, and the end portion of the prefabricated steel bar is fixed in the through hole through the locking anchor bolt;
and step S6, after the prefabricated steel bars penetrate through all the through holes, pouring concrete in the hole openings of the through holes to fix the prefabricated steel bars and the bottom and the wall of the foundation pit.
Through adopting above-mentioned technical scheme, through BIM modeling analysis construction environment confirm the shape and the size of abutment on the cliff body to in construction foundation ditch corresponding with the abutment on the cliff wall, later seted up a plurality of through-holes on the foundation ditch, later with the prefabricated reinforcing bar one end that has the locking crab-bolt penetrate in the through-hole, in order to fix prefabricated reinforcing bar in the through-hole through the locking crab-bolt, and then reducible prefabricated reinforcing bar appears the trend of outside motion in the through-hole, improve the fastening nature of being connected between prefabricated reinforcing bar and the foundation ditch.
In summary, the invention includes at least one of the following beneficial technical effects:
1. when one end of the prefabricated steel bar with the locking anchor bolt is inserted into the through hole, the driving piece can be started to push the locking block to protrude out of the notch of the sliding groove, and the elastic force generated by the first spring reduction drives the locking piece to move back to the locking block, so that the locking piece is embedded into the hole wall of the through hole, the tendency that the prefabricated steel bar moves outwards in the through hole is reduced, and the connection tightness between the prefabricated steel bar and the foundation pit is improved;
2. the stay wire is arranged to strengthen the force of the locking piece towards the direction of the locking block, so as to overcome the outward pushing force of the first spring on the locking piece and reduce the friction between the locking piece and the chute wall under the action of the first spring;
3. through setting up the direction inclined plane to it is faster when making the driving ring promote the motion of cutting piece, and then can accelerate the cutting of cutting piece to acting as go-between.
Drawings
Fig. 1 is a schematic structural diagram of a conventional foundation pit.
Fig. 2 is a schematic overall structure diagram of the first embodiment of the present invention.
Fig. 3 is a schematic cross-sectional structure diagram of the first embodiment of the present invention.
Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.
Fig. 5 is a partially enlarged schematic view of a portion B in fig. 3.
In the figure, 1, a foundation pit; 11. a through hole; 12. prefabricating a steel bar; 121. rotating the hole; 2. a body; 21. a chute; 3. a locking block; 31. a ring groove; 32. a locking piece; 33. a first spring; 34. a thread groove; 4. a drive member; 41. a second spring; 42. a limiting member; 421. a screw; 422. a rotating shaft; 5. a through groove; 51. an inner tank; 6. a pull wire; 7. cutting the piece; 71. cutting the slices; 72. a drive ring; 8. a guide slope.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 2, the locking anchor bolt disclosed by the invention comprises a cylindrical body 2, wherein the body 2 is coaxially and fixedly connected with the end part of a prefabricated steel bar 12.
Referring to fig. 2 and 3, a sliding groove 21 is formed in one end of the body 2, which is far away from the precast reinforcing steel bar 12, a locking block 3 is connected to the sliding groove 21 in a sliding manner, a circular groove 31 is formed in the side wall, which is far away from the bottom of the sliding groove 21, of the locking block 3 in the circumferential direction, a plurality of locking pieces 32 are hinged in the circular groove 31, and a hinge point between each locking piece 32 and the circular groove 31 is located on the groove wall, which is close to the precast reinforcing steel bar 12, in the circular groove 31, the number of the locking pieces 32 is preferably four, and the cross-sectional area of each locking piece 32 is; a first spring 33 is fixedly connected between the side wall of the locking piece 32 facing the groove bottom of the ring groove 31 and the groove bottom of the ring groove 31, and when the locking block 3 is positioned inside the sliding groove 21, the first spring 33 is in a contracted state and the side wall of the locking piece 32, which is back to the first spring 33, and the side wall of the locking piece 3 are positioned on the same horizontal plane.
Through groove 5 has been seted up along the axial direction of body 2 to the tank bottom of spout 21, is equipped with driving locking piece 3 protrusion in the driving piece 4 of spout 21 notch in through groove 5, behind the notch of 3 protrusion spouts 21 of locking piece, during locking plate 32 was popped out and was embedded into through-hole 11 pore wall by the produced elasticity when first spring 33 reduced, through-hole 11 was seted up in rock texture is the foundation ditch 1 of flow pattern rock in this embodiment.
The driving member 4 includes a plurality of second springs 41 fixedly connected to the bottom of the through slot 5, and a limiting member 42 compressing the second springs 41 and limiting the locking block 3 in the sliding slot 21, wherein one ends of the plurality of second springs 41 far away from the bottom of the through slot 5 are fixedly connected to the side wall of the locking block 3 facing the through slot 5, and the side wall of the locking block 3 facing the second springs 41 is provided with a threaded slot 34, and the number of the second springs 41 in this embodiment is preferably two, and the two second springs are respectively located at two sides of the threaded slot 34; the locating part 42 includes threaded rod 421 of threaded connection in thread groove 34, the pivot 422 of locking plate 32 one end is kept away from in threaded rod 421 to coaxial coupling, four locking plates 32 are two liang a set of, be located the both sides of threaded rod 421 respectively, and be the symmetry setting along threaded rod 421, set up the rotation hole 121 that supplies hand or rotary tool to stretch into in the precast reinforcement 12, the lateral wall of precast reinforcement 12 is run through to the pore wall of rotation hole 121, the one end protrusion in the drill way of through-hole 11 that the threaded rod 421 was kept away from to pivot 422, and wear to establish to rotating in the hole 121.
When the elastic block protrudes out of the notch of the sliding groove 21, a hand or a wrench or other rotating tool can be inserted into the rotating hole 121 and drive the rotating shaft 422 to rotate, so that the screw 421 rotates towards the direction of the prefabricated steel bar 12 and is separated from the thread groove 34, the limitation on the locking block 3 is removed, the second spring 41 is restored from the contracted state, the elastic force for pushing the locking block 3 out of the sliding groove 21 is generated, so that the locking block 3 protrudes out of the notch of the sliding groove 21, at the moment, the first spring 33 is also restored from the contracted state, and the generated elastic force pushes the locking piece 32 to collide with the hole wall of the through hole 11 and be embedded into the hole wall of the through hole 11, so as to enhance the tightness of the prefabricated steel bar 12 in the.
Referring to fig. 2 and 4, each locking piece 32 is fixedly connected with a stay wire 6 on the side wall facing the second spring 41, one end of the stay wire 6 far away from the locking piece 32 penetrates through the locking block 3 and is fixedly connected to the bottom of the through groove 5, a cutting part 7 for cutting off the stay wire 6 is arranged between the screw 421 and the bottom of the through groove 5, and the stay wire 6 is arranged to overcome the outward pushing force of the first spring 33 on the locking piece 32, so as to reduce the friction between the locking piece 32 and the groove wall of the chute 21 under the action of the first spring 33, and when the locking block 3 needs to be pushed out of the notch of the chute 21, the stay wire 6 can be cut off by the cutting part 7.
The groove bottom of the through groove 5 is positioned at two sides of the rotating shaft 422 and is provided with inner grooves 51, one end of the pull wire 6 far away from the locking sheet 32 is fixedly connected to the groove wall of the inner groove 51 far away from the rotating shaft 422, the cutting piece 7 comprises a cutting sheet 71 connected in the inner groove 51 in a sliding manner and a driving ring 72 fixedly sleeved on the screw 421, the distance from the end surface of the driving ring 72 back to the screw 421 to the groove bottom of the through groove 5 is smaller than the groove depth of the thread groove 34, the side wall of the cutting sheet 71 facing the rotating shaft 422 is provided with a guide inclined surface 8, the guide inclined surface 8 is arranged upwards in an inclined manner towards the direction of the locking sheet 32 along the rotating shaft 422, and in the process that the screw 421 rotates and is separated from the thread groove 34, the driving ring 72 moves towards the direction.
The implementation principle of the embodiment is as follows:
after one end of the prefabricated steel bar 12 with the locking anchor bolt is inserted into the through hole 11, a rotating tool such as a hand or a wrench can be inserted into the rotating hole 121 to drive the rotating shaft 422 to rotate, so that the screw 421 rotates toward the direction of the prefabricated steel bars 12, the driving ring 72 simultaneously moves toward the cutting blade 71 and contacts the guide slope 8, so that the cutting blade 71 moves towards the pull wire 6 and cuts the pull wire 6 to cut off the pull wire 6 until the screw 421 is separated from the thread groove 34, the restriction on the locking block 3 is released, the second spring 41 restores and pushes the locking block 3 out of the elastic force of the sliding groove 21, so that the locking block 3 protrudes out of the notch of the sliding slot 21, at this time, the first spring 33 restores and pushes the locking piece 32 to collide with the hole wall of the through hole 11 and to be embedded into the hole wall of the through hole 11, so that the locking anchor is fixed on the wall of the through hole 11 and the prefabricated steel bar 12 is inserted into the end of the through hole 11 and fixed in the through hole 11.
Example two:
a construction method of a cliff abutment applying a locking anchor bolt comprises the following steps:
step S1, building a construction model by using a BIM technology, and determining a construction range according to the construction model;
step S2, constructing and forming a foundation pit 1 for placing the abutment according to the measured construction range;
step S3, uniformly selecting a plurality of hole sites on the bottom and the wall of the foundation pit 1, and drilling corresponding through holes 11 for the prefabricated steel bars 12 to penetrate through by a drilling machine;
step S4, fixing a locking anchor bolt at the end part of the prefabricated steel bar 12 ready to penetrate into the through hole 11;
step S5, the locking anchor bolt and the prefabricated steel bar 12 are arranged in the through hole 11 in a penetrating mode until the locking anchor bolt contacts the bottom of the through hole 11, and the end portion of the prefabricated steel bar 12 is fixed in the through hole 11 through the locking anchor bolt;
step S6, after the prefabricated steel bars 12 are all inserted into all the through holes 11, concrete is poured into the openings of the through holes 11 to fix the prefabricated steel bars 12 and the bottom and the wall of the foundation pit 1.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. A locking anchor, characterized by: including body (2), spout (21) have been seted up to the one end of body (2), and other end fixed connection is on prefabricated reinforcing bar (12), spout (21) internal slipping is connected with locking block (3), annular (31) have been seted up to circumference on the lateral wall of locking block (3), articulated in annular (31) have a plurality of locking plate (32), locking plate (32) with the first spring of fixedly connected with (33) between the tank bottom of annular (31), still be equipped with the drive in body (2) locking block (3) protrusion in spout (21) notch, messenger locking plate (32) pop out and imbed driving piece (4) in through-hole (11) pore wall.
2. A locking anchor as set forth in claim 1, characterized in that: logical groove (5) have been seted up to the tank bottom of spout (21), driving piece (4) including fixed connection in the tank bottom of logical groove (5) with second spring (41), compression between locking block (3) second spring (41) and restriction locking block (3) in locating part (42) in spout (21).
3. A locking anchor as set forth in claim 2, in which: locking block (3) orientation thread groove (34) have been seted up on the lateral wall of second spring (41), locating part (42) including threaded connection in screw rod (421), coaxial coupling in thread groove (34) keep away from screw rod (421) pivot (422) of locking plate (32) one end, be equipped with rotation hole (121) that run through prefabricated reinforcing bar (12) lateral wall in prefabricated reinforcing bar (12), pivot (422) are kept away from the one end protrusion of spout (21) in the drill way of through-hole (11) and wear to establish to in rotation hole (121).
4. A locking anchor as set forth in claim 3, in which: be connected with stay wire (6) on locking plate (32), stay wire (6) are kept away from the one end of locking plate (32) runs through locking block (3) and fixed connection in the tank bottom that leads to groove (5), screw rod (421) with be provided with between the tank bottom that leads to groove (5) and cut off the cutting member (7) of stay wire (6), second spring (41) are located cutting member (7) are back to one side of screw rod (421).
5. A locking anchor as claimed in claim 4, characterized in that: the groove bottom of the through groove (5) is positioned on two sides of the screw rod (421) and is provided with an inner groove (51), the cutting piece (7) comprises a cutting blade (71) connected in the inner groove (51) in a sliding manner and a driving ring (72) arranged on the screw rod (421), the pull wire (6) is fixed at the groove bottom of the inner groove (51) of the screw rod (421), and the driving ring (72) is used for pushing the cutting blade (71) to move towards the pull wire (6) and cutting off the pull wire (6).
6. A locking anchor as claimed in claim 5, characterized in that: cutting piece (71) orientation be equipped with direction inclined plane (8) on the lateral wall of screw rod (421), direction inclined plane (8) are followed screw rod (421) to locking plate (32) direction is the slope and upwards sets up.
7. A locking anchor as claimed in claim 5, characterized in that: the distance from the end surface of the driving ring (72) back to the screw rod (421) to the bottom of the through groove (5) is smaller than the groove depth of the thread groove (34).
8. A construction method of a cliff abutment applying a locking anchor bolt is characterized by comprising the following steps: the method comprises the following steps:
step S1, building a construction model by using a BIM technology, and determining a construction range according to the construction model;
s2, constructing and forming a foundation pit (1) for placing the abutment according to the measured construction range;
step S3, uniformly selecting a plurality of hole sites on the bottom and the wall of the foundation pit (1), and forming corresponding through holes (11) for the prefabricated steel bars (12) to penetrate through by a drilling machine;
step S4, fixing a locking anchor bolt at the end part of the prefabricated steel bar (12) ready to penetrate into the through hole (11);
step S5, the locking anchor bolt and the prefabricated steel bar (12) are arranged in the through hole (11) in a penetrating mode until the locking anchor bolt contacts the bottom of the through hole (11), and the end portion of the prefabricated steel bar (12) is fixed in the through hole (11) through the locking anchor bolt;
and step S6, after the prefabricated steel bars (12) penetrate through all the through holes (11), pouring concrete at the hole openings of the through holes (11) to fix the prefabricated steel bars (12) and the pit bottom and the pit wall of the foundation pit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010513077.4A CN111622129B (en) | 2020-06-08 | 2020-06-08 | Locking anchor bolt and cliff abutment construction method applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010513077.4A CN111622129B (en) | 2020-06-08 | 2020-06-08 | Locking anchor bolt and cliff abutment construction method applying same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111622129A true CN111622129A (en) | 2020-09-04 |
| CN111622129B CN111622129B (en) | 2021-08-24 |
Family
ID=72257495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010513077.4A Active CN111622129B (en) | 2020-06-08 | 2020-06-08 | Locking anchor bolt and cliff abutment construction method applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111622129B (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2335721B (en) * | 1997-01-24 | 2001-03-07 | John Sidney Lees | Improved wheel nut assembly |
| CN1601124A (en) * | 2004-10-22 | 2005-03-30 | 无锡锡州机械有限公司 | Expansion bolt |
| CN101949151A (en) * | 2010-09-28 | 2011-01-19 | 张继红 | Recyclable locking anchor rod and construction method thereof |
| CN103696790A (en) * | 2013-02-19 | 2014-04-02 | 裴春光 | Shear type expansion anchor rod and application thereof |
| JP2017196148A (en) * | 2016-04-27 | 2017-11-02 | ヨネックス株式会社 | String set, string for warp, and string for weft |
| CN108046037A (en) * | 2017-12-28 | 2018-05-18 | 苏州鱼得水电气科技有限公司 | A kind of cloth processing ball of string fixing device |
| CN108757679A (en) * | 2018-06-20 | 2018-11-06 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of quick connection fastener and its fastening method, solution desorption method |
| CN208328666U (en) * | 2018-06-15 | 2019-01-04 | 山西省交通规划勘察设计院 | A kind of Extended chemotherapy seat-plate type bridge abutment structure with anchor pole |
| CN109372874A (en) * | 2018-12-20 | 2019-02-22 | 浙江安盛汽车零部件有限公司 | A kind of off-axis formula fluting flange nut |
| CN208992348U (en) * | 2018-08-31 | 2019-06-18 | 江苏金贸科技发展有限公司 | A kind of steel pipe notch deburred device |
| CN110230273A (en) * | 2019-05-28 | 2019-09-13 | 中铁二院工程集团有限责任公司 | A kind of safeguard structure of small-sized rockfall |
| CN209836778U (en) * | 2019-01-31 | 2019-12-24 | 武汉金思路科技发展有限公司 | Light bridge abutment |
| CN209851497U (en) * | 2019-03-18 | 2019-12-27 | 嘉兴信元精密模具科技有限公司 | Pitched roof ejecting mechanism |
| CN110792680A (en) * | 2019-09-24 | 2020-02-14 | 江苏永昊高强度螺栓有限公司 | Bolt assembly |
| CN210106353U (en) * | 2019-06-11 | 2020-02-21 | 南京福贝尔五金制品有限公司 | Combined screw capable of preventing loosening |
| CN110848223A (en) * | 2019-11-22 | 2020-02-28 | 国唐汽车有限公司 | Locking device |
| CN110984173A (en) * | 2019-11-26 | 2020-04-10 | 陕西交通职业技术学院 | Underground support anchoring equipment for building construction and construction method thereof |
| CN210484324U (en) * | 2019-09-04 | 2020-05-08 | 法施达科技有限公司 | Automatic locking anchor for fixing high-speed rail line |
-
2020
- 2020-06-08 CN CN202010513077.4A patent/CN111622129B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2335721B (en) * | 1997-01-24 | 2001-03-07 | John Sidney Lees | Improved wheel nut assembly |
| CN1601124A (en) * | 2004-10-22 | 2005-03-30 | 无锡锡州机械有限公司 | Expansion bolt |
| CN101949151A (en) * | 2010-09-28 | 2011-01-19 | 张继红 | Recyclable locking anchor rod and construction method thereof |
| CN103696790A (en) * | 2013-02-19 | 2014-04-02 | 裴春光 | Shear type expansion anchor rod and application thereof |
| JP2017196148A (en) * | 2016-04-27 | 2017-11-02 | ヨネックス株式会社 | String set, string for warp, and string for weft |
| CN108046037A (en) * | 2017-12-28 | 2018-05-18 | 苏州鱼得水电气科技有限公司 | A kind of cloth processing ball of string fixing device |
| CN208328666U (en) * | 2018-06-15 | 2019-01-04 | 山西省交通规划勘察设计院 | A kind of Extended chemotherapy seat-plate type bridge abutment structure with anchor pole |
| CN108757679A (en) * | 2018-06-20 | 2018-11-06 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of quick connection fastener and its fastening method, solution desorption method |
| CN208992348U (en) * | 2018-08-31 | 2019-06-18 | 江苏金贸科技发展有限公司 | A kind of steel pipe notch deburred device |
| CN109372874A (en) * | 2018-12-20 | 2019-02-22 | 浙江安盛汽车零部件有限公司 | A kind of off-axis formula fluting flange nut |
| CN209836778U (en) * | 2019-01-31 | 2019-12-24 | 武汉金思路科技发展有限公司 | Light bridge abutment |
| CN209851497U (en) * | 2019-03-18 | 2019-12-27 | 嘉兴信元精密模具科技有限公司 | Pitched roof ejecting mechanism |
| CN110230273A (en) * | 2019-05-28 | 2019-09-13 | 中铁二院工程集团有限责任公司 | A kind of safeguard structure of small-sized rockfall |
| CN210106353U (en) * | 2019-06-11 | 2020-02-21 | 南京福贝尔五金制品有限公司 | Combined screw capable of preventing loosening |
| CN210484324U (en) * | 2019-09-04 | 2020-05-08 | 法施达科技有限公司 | Automatic locking anchor for fixing high-speed rail line |
| CN110792680A (en) * | 2019-09-24 | 2020-02-14 | 江苏永昊高强度螺栓有限公司 | Bolt assembly |
| CN110848223A (en) * | 2019-11-22 | 2020-02-28 | 国唐汽车有限公司 | Locking device |
| CN110984173A (en) * | 2019-11-26 | 2020-04-10 | 陕西交通职业技术学院 | Underground support anchoring equipment for building construction and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111622129B (en) | 2021-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU634150B2 (en) | Drills for piles and soil stabilization | |
| US7243646B2 (en) | Apparatus and method for shearing reinforced concrete piles and metal piles and crushing reinforced concrete piles | |
| Austin et al. | Sprayed concrete: Properties, design and application | |
| EP0127221A1 (en) | Concrete foundation pile and device for driving the same into the ground | |
| JP7092288B2 (en) | Structural reinforcement method | |
| CN111622129B (en) | Locking anchor bolt and cliff abutment construction method applying same | |
| CN104563104B (en) | Pile work drilling machine is with coordinated type breast wall apparatus and use its construction method | |
| US4834582A (en) | Methods for underpinning unstable structures | |
| KR102092514B1 (en) | Ground drilling method for foundation reinforcement | |
| CN112963182B (en) | Anchoring device and motor disassembling method based on same | |
| JP2002275892A (en) | Method and device for placing steel pipe pile | |
| CN114482076A (en) | A foundation ditch enclosure equipment for bridge foundation construction | |
| JP2004285698A (en) | Deformed precast pile | |
| CN105239575B (en) | One kind drilling base expanding and base expanding grouting Static Pipe Pile Construction device and construction method | |
| JP3931298B2 (en) | Hollow pipe pile core misalignment prevention device and hollow pipe pile core misalignment prevention construction method | |
| KR0144777B1 (en) | Auger drill machine and spiral groove manufacturing method of underground hole and spiral foundation pile | |
| JP4642367B2 (en) | Deep foundation excavator for rock and deep foundation construction method using it | |
| JPS6227541Y2 (en) | ||
| CN217870520U (en) | A supporting construction for peripheral foundation ditch of existing building | |
| CN113863314B (en) | Synchronous construction method for concrete occlusion supporting pile and main engineering pile | |
| CN108798528A (en) | Abolish the drill bit of waste and old pile pile and the method abolished waste and old pile pile and new pile is perfused | |
| KR102315113B1 (en) | Helical pile and construction method for increasing peripheral friction and tip bearing capacity | |
| CN211621555U (en) | Uplift pile prefabricated with uplift block | |
| Zhou et al. | Effect of caisson-tip geometry on flow pattern of soil plug | |
| JP3123333B2 (en) | Drilling tools |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |