CN106638664A - Foundation bolt fixing apparatus and positioning method - Google Patents

Foundation bolt fixing apparatus and positioning method Download PDF

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Publication number
CN106638664A
CN106638664A CN201611157189.0A CN201611157189A CN106638664A CN 106638664 A CN106638664 A CN 106638664A CN 201611157189 A CN201611157189 A CN 201611157189A CN 106638664 A CN106638664 A CN 106638664A
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CN
China
Prior art keywords
bolt
square
foundation bolt
steel plate
framework
Prior art date
Application number
CN201611157189.0A
Other languages
Chinese (zh)
Inventor
刘建涛
季清
姜捷
徐平飞
方晓雯
冯瑞敏
姜涛
成磊
Original Assignee
上海建工集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海建工集团股份有限公司 filed Critical 上海建工集团股份有限公司
Priority to CN201611157189.0A priority Critical patent/CN106638664A/en
Publication of CN106638664A publication Critical patent/CN106638664A/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/42Foundations for poles, masts or chimneys

Abstract

The invention provides a foundation bolt fixing apparatus and positioning method, and is intended to solve the problem that an existing foundation bolt placing method is poor in reliability and stability. Steel angles are welded to form a square table frame; as the square table frame is composed of steel angles, all the steel angles are connected and absolutely reliable, overall system rigidity is absolutely guaranteed, the square table frame is connected to a ground via corner protectors and expansion bolts after casting of concrete floor, the square table frame is connected with the foundation bolts through steel plates, the foundation bolts are inserted into holes made correspondingly in the steel plate, the positioning and fixing problems in building foundation bolts can be solved, foundation bolts can be precisely positioned and can be reliably free of shifting during construction, and the foundation bolts can be fixed just by removing the steel plate and cutting off the steel angles after concrete coagulates and hardens, and the top steel plate is reusable, suitable for cyclic use, simple to perfume, and high in feasibility and low in price.

Description

Foundation bolt fixing device and localization method
Technical field
The present invention relates to a kind of foundation bolt fixing device and localization method.
Background technology
With the continuous improvement of living standards of the people, the requirement to building is also improved constantly, directly and concrete floor Also more and more extensively, the accuracy requirement that designer positions to it is also increasingly for the application of the steel column connected by foundation bolt It is high.To guarantee being accurately positioned for steel column, placement of the foundation bolt before concrete cast, position it is increasingly important.
Foundation bolt is generally used for fixing heavy mechanical equipment or structural elements, and one is cast on concrete floor, and one Head is screw screw thread fixed structural member or plant equipment.
Because the embedding precision of foundation bolt directly influences the installation accuracy of later stage steel column and whole structural steelwork Installation accuracy, so the slight error that positions during embedded of foundation bolt or rocking and all can cause serious consequence.Therefore, How to design a kind of both easy to operate, the device that can be accurately positioned to foundation bolt again and be fixed becomes art technology The difficult problem that personnel face.
Traditional foundation bolt is typically directly positioned on the reinforcing bar of concrete floor, and this laying method cannot securely be consolidated Determine foundation bolt, during casting and compacting of concrete, easily cause the displacement of foundation bolt, and then affect the installation of later stage steel column to consolidate It is fixed.
The content of the invention
It is an object of the invention to provide a kind of foundation bolt fixing device and localization method, can solve the problem that foundation bolt exists Bury the positioning and fixation problem in putting.
To solve the above problems, the present invention provides a kind of foundation bolt fixing device, including:
Square table framework, is welded by many many angle steel, and the surrounding of the top surface of the square table framework is provided with the first V-type Notch;
The corner brace of the bottom of the square table framework is connected to, in the corner brace hole for the expansion bolt is provided with;
Expansion bolt, the expansion bolt is by being connected the corner brace with ground through the hole for the expansion bolt;
The steel plate of the top surface of the square table framework is arranged at, the surrounding of the steel plate is provided with embedded first V-groove Second V-groove mouth of mouth, on the steel plate anchor (bolt) hole is offered;
Foundation bolt, the foundation bolt is by being inserted in the anchor (bolt) hole, and what is be positioned on ground is to be fixed Position.
Further, in said apparatus, the steel plate passes through self-drilling connection with the top surface of the square table framework.
Further, in said apparatus, the foundation bolt fixing device also includes being sheathed on the foundation bolt Foundation bolt cap, the foundation bolt is fixed on the steel plate by foundation bolt nut.
Further, in said apparatus, the hole for the expansion bolt is mounting hole.
Further, in said apparatus, the corner brace is connected with the bottom welding of square table framework.
A kind of another side of the invention, there is provided foundation bolt fixing means, including:
Many angle steel are welded into into square table framework, the first V-groove mouth is set in the surrounding of the top surface of the square table framework;
In the bottom connecting corner yard of the square table framework, hole for the expansion bolt is set in the corner brace;
The second V-groove mouth is set in the surrounding of one block of steel plate, anchor (bolt) hole is opened up on the steel plate, by the steel plate Be positioned over the top surface of the square table framework, the second V-groove mouth on the steel plate is embedded in the square table framework top surface four The first V-groove mouth that week is arranged;
According to the relative position of hole for the expansion bolt in anchor (bolt) hole on the steel plate and the corner brace, bullet at the construction field (site) Line positions the installation site of the corner brace, and according to the installation site in ground plane apertures;
By the expansion bolt through the hole for the expansion bolt in the corner brace, the corner brace and the perforate of ground institute are connected Connect;
By the way that foundation bolt is inserted in the anchor (bolt) hole, treat solid by what the foundation bolt was positioned on ground Positioning is put;
In the following position casting concrete terrace of the steel plate, the concrete floor coats the side below the steel plate Table framework and foundation bolt part;
After the completion of concrete floor is poured, the steel plate is removed, and cut away the square table frame remained on concrete floor Frame.
Further, in the above-mentioned methods, the second V-groove mouth on the steel plate is embedded in the top surface of the square table framework Surrounding arrange the first V-groove mouth after, also include:
The steel plate is passed through into self-drilling connection with the top surface of the square table framework.
Further, in the above-mentioned methods, after foundation bolt is inserted in the anchor (bolt) hole, also include:
By foundation bolt cap sleeve on the foundation bolt, the foundation bolt is fixed on by foundation bolt nut On the steel plate.
Further, in the above-mentioned methods, the hole for the expansion bolt is mounting hole.
Further, in the above-mentioned methods, in the bottom connecting corner yard of the square table framework, including:
The corner brace is connected with the bottom welding of square table framework.
Compared with prior art, the present invention for existing foundation bolt laying method it is unreliable, it is unstable the characteristics of, pass through A square table framework is welded between angle steel, because square table framework is combined by angle steel, all connection is again definitely reliable, so The rigidity of whole system has just obtained absolute guarantee, it is ensured that after concrete floor cast, foundation bolt can be used in steel for it The installation of post, square table framework is connected with ground corner brace and expansion bolt, and square table framework passes through one piece of steel plate phase with foundation bolt Connection, after the perforate of steel plate relevant position foundation bolt is inserted, and can solve the problem that foundation bolt is asked in the positioning and fixation buried in putting Topic, can either allow foundation bolt to be accurately positioned, and can reliably guarantee that foundation bolt will not be shifted in construction working again, in reality There is higher using value in construction, after concrete coagulation hardening, only need to remove steel plate, cut off after angle steel, just can be by lower margin Bolt is fixed, and the present invention is conventional material from raw material, and top steel plate can be reused, recycled, easy to operate, Feasibility is high, cheap, foundation bolt accurate positioning, and position fixes, reliable, stable.
Description of the drawings
Fig. 1 is the structure chart of the square table framework of the foundation bolt fixing device of one embodiment of the invention;
Fig. 2 is the overall structure figure of the foundation bolt fixing device of one embodiment of the invention;
Fig. 3 is the following position casting concrete terrace schematic diagram in the steel plate of one embodiment of the invention;
Fig. 4 is the schematic diagram for cutting away the square table framework remained on concrete floor of one embodiment of the invention;
Wherein, 1, angle steel 2, corner brace 3, expansion bolt 4, steel plate 5, the first V-groove mouth 6, foundation bolt 7, lower margin The concrete floor of bolt nut 8, after-pouring.
Specific embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent from, it is below in conjunction with the accompanying drawings and concrete real The present invention is further detailed explanation to apply mode.
Referring to Fig. 1 to 4, foundation bolt fixing device is including some angle steel 1, for fix on the ground whole device Some corner brace parts 2,3, one piece of expansion bolt for being connected whole device with ground by corner brace part 2 are for fixing foundation bolt Steel plate 4 with the second V-groove mouth, foundation bolt 6;Connect to form square table framework using full weld between described all angle steel 1, institute The surrounding for stating the top surface of square table framework is provided with the first V-groove mouth 5 coordinated with the second V-groove mouth, described angle steel 1 with Connected with full weld between corner brace 2;The whole foundation bolt fixing device is connected by expansion bolt 3 with ground;The steel plate 4 Pass through screw connection between angle steel 1.
As shown in Figures 1 to 4, the present invention provides a kind of foundation bolt fixing device, including:
Square table framework, is welded by many many angle steel 1, and the surrounding of the top surface of the square table framework is provided with a V Type groove mouth 5;Here, a square table framework is welded between angle steel, full weld connection between angle steel;
The corner brace 2 of the bottom of the square table framework is connected to, in the corner brace 2 hole for the expansion bolt is provided with;
Expansion bolt 3, the expansion bolt is by being connected the corner brace 3 with ground through the hole for the expansion bolt;Side The corner brace of the bottom of table framework is connected with ground with expansion bolt, needs to use impact drill perforate on the ground, before perforate, must It is accurately positioned, after system is in place, the hole perforate in corner brace, to ensure that hole position is accurate;
The steel plate 4 of the top surface of the square table framework is arranged at, the surrounding of the steel plate is provided with embedded first V-groove Second V-groove mouth of mouth, on the steel plate anchor (bolt) hole is offered;Here, to ensure the accurate of foundation bolt positioning, need to be Steel plate surrounding cut with the angle steel relevant position of the top surface of square table framework together with V-groove mouth, so as to enter to the position that steel plate enters Row is fixed, and is accurately positioned the anchor (bolt) hole on steel plate, and then the foundation bolt essence for making to be inserted in the anchor (bolt) hole It is determined that position;
Foundation bolt 6, the foundation bolt is by being inserted in the anchor (bolt) hole, and what is be positioned on ground is to be fixed Position.The present invention for existing foundation bolt laying method it is unreliable, it is unstable the characteristics of, by being welded into one between angle steel Square table framework, because square table framework is combined by angle steel, all connection is again definitely reliable, so the rigidity of whole system must Arrived absolute guarantee, it is ensured that after concrete floor cast, foundation bolt can be used in the installation of steel column for it, square table framework with Ground corner brace and expansion bolt connect, and square table framework is connected with foundation bolt by one block of steel plate, in steel plate relevant position Foundation bolt is inserted after perforate, foundation bolt is can solve the problem that burying positioning and fixation problem in putting, foundation bolt can either be allowed It is accurately positioned, can reliably guarantees that foundation bolt will not be shifted in construction working, there is higher application in practice of construction again Value, after concrete coagulation hardening, only need to remove steel plate, cut off after angle steel, just can fix foundation bolt, and the present invention is selected Raw material are conventional material, and top steel plate can be reused, recycled, easy to operate, and feasibility is high, cheap, Foundation bolt accurate positioning, position fixes, reliable, stable.
In one embodiment of the invention, the steel plate passes through self-drilling connection with the top surface of the square table framework, so as to right The position that steel plate enters is fixed, and the anchor (bolt) hole on steel plate is more accurately positioned, and then makes to be inserted in the foundation bolt Foundation bolt in hole is more accurately positioned.
In one embodiment of the invention, the foundation bolt fixing device also includes the lower margin being sheathed on the foundation bolt Nuts 7, the foundation bolt 6 is fixed on the steel plate 4 by foundation bolt nut 7, further ensures that foundation bolt exists Will not shift in construction working.
In one embodiment of the invention, the hole for the expansion bolt is mounting hole, during so as to facilitating corner brace to be connected with ground, is carried out The fine setting of link position.
In one embodiment of the invention, the corner brace is connected with the bottom welding of square table framework, to ensure bonding strength.
Another side of the invention, as shown in figures 1-4, also provides a kind of localization method of foundation bolt, including:
Many angle steel 1 are welded into into square table framework, the first V-groove mouth 5 is set in the surrounding of the top surface of the square table framework; Here, a square table framework can be welded between factory, angle steel, full weld connection between angle steel;
In the bottom connecting corner yard 2 of the square table framework, hole for the expansion bolt is set in the corner brace;
Second V-groove mouth is set in the surrounding of one block of steel plate 4, anchor (bolt) hole is opened up on the steel plate, by the steel Plate 4 is positioned over the top surface of the square table framework, and the second V-groove mouth on the steel plate is embedded in the top surface of the square table framework The first V-groove mouth that surrounding is arranged, is put into foundation bolt so as to after;Here, to ensure the accurate of foundation bolt positioning, need to be Steel plate surrounding cut with the angle steel relevant position of the top surface of square table framework together with V-groove mouth, so as to enter to the position that steel plate enters Row is fixed, and is accurately positioned the anchor (bolt) hole on steel plate, and then the foundation bolt essence for making to be inserted in the anchor (bolt) hole It is determined that position, in the factory can be aligned steel plate with the surrounding of the top surface of square table framework, it is ensured that notch is corresponding with notch;
According to the relative position of hole for the expansion bolt in anchor (bolt) hole on the steel plate and the corner brace 2, at the construction field (site) Snap the line positions the installation site of the corner brace, and according to the installation site in ground plane apertures;
By the expansion bolt through the hole for the expansion bolt in the corner brace, the corner brace 2 and the perforate of ground institute are connected Connect;The corner brace of the bottom of square table framework is connected with ground with expansion bolt, needs to use impact drill perforate on the ground, perforate it Before, must be accurately positioned, after whole device is in place, the hole for the expansion bolt in corner brace in ground plane apertures, to ensure hole position essence Really, meanwhile, foundation bolt after concrete floor is poured, accurate positioning;
By the way that foundation bolt 6 is inserted in the anchor (bolt) hole, by treating that the foundation bolt 6 is positioned on ground Fixed position;
In the following position casting concrete terrace 8 of the steel plate 4, the concrete floor 8 is coated below the steel plate Square table framework and the part of foundation bolt 6;
After the completion of concrete floor is poured, the steel plate 4 is removed, and cut away the square table frame remained on concrete floor Frame.Here, all welding are completed in factory, at the construction field (site), it is only necessary to by the square table framework being welded and ground expanding screw Bolt is fixed, square table framework again with steel plate screw connection, after the completion for the treatment of that concrete floor is poured, remove steel plate so as to after Recycle, cut away the angle steel remained on concrete floor.The present invention for existing foundation bolt laying method it is unreliable, Unstable the characteristics of, by being welded into a square table framework between angle steel, because square table framework is combined by angle steel, all connect Connect and definitely reliable, so the rigidity of whole system has just obtained absolute guarantee, it is ensured that its after concrete floor cast, ground Foot bolt can be used in the installation of steel column, and square table framework is connected with ground corner brace and expansion bolt, square table framework and lower margin spiral shell Bolt is connected by one block of steel plate, and after the perforate of steel plate relevant position foundation bolt is inserted, and can solve the problem that foundation bolt is put burying In positioning and fixation problem, foundation bolt can either be allowed to be accurately positioned, can reliably guarantee foundation bolt in construction working again In will not shift, have higher using value in practice of construction, after concrete coagulation hardening, only need to remove steel plate, cut off After angle steel, just foundation bolt can be fixed, the present invention is conventional material from raw material, top steel plate can reuse, Recycle, easy to operate, feasibility is high, cheap.
In one embodiment of the invention, the second V-groove mouth on the steel plate is embedded in the square table framework top surface four After the first V-groove mouth that week is arranged, also include:
The steel plate 4 is passed through into self-drilling connection with the top surface of the square table framework, so as to enter to the position that steel plate enters Row is fixed, and the anchor (bolt) hole on steel plate is more accurately positioned, and then makes the foundation bolt being inserted in the anchor (bolt) hole More it is accurately positioned.
In one embodiment of the invention, after foundation bolt is inserted in the anchor (bolt) hole, also include:
Foundation bolt cap 7 is sheathed on the foundation bolt 6, the foundation bolt is fixed by foundation bolt nut On the steel plate 4, further ensure that foundation bolt will not be shifted in construction working.
In one embodiment of the invention, the hole for the expansion bolt is mounting hole, during so as to facilitating corner brace to be connected with ground, is carried out The fine setting of link position.
In one embodiment of the invention, in the bottom connecting corner yard of the square table framework, including:
The corner brace 2 is connected with the bottom welding of square table framework.
In sum, the present invention for existing foundation bolt laying method it is unreliable, it is unstable the characteristics of, by angle steel it Between be welded into a square table framework, because square table framework is combined by angle steel, all connection is again definitely reliable, so whole body The rigidity of system has just obtained absolute guarantee, it is ensured that after concrete floor cast, foundation bolt can be used in the peace of steel column for it Dress, square table framework is connected with ground corner brace and expansion bolt, and square table framework is connected with foundation bolt by one block of steel plate, Foundation bolt is inserted after the perforate of steel plate relevant position, can solve the problem that foundation bolt is burying positioning and fixation problem in putting, can Enough allow foundation bolt to be accurately positioned, can reliably guarantee that foundation bolt will not be shifted in construction working again, in practice of construction There is higher using value, after concrete coagulation hardening, only need to remove steel plate, cut off after angle steel, just foundation bolt can be consolidated Fixed, the present invention is conventional material from raw material, and top steel plate can be reused, recycled, easy to operate, feasibility Height, cheap, foundation bolt accurate positioning, position fixes, reliable, stable.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Professional further appreciates that, with reference to the unit of each example of the embodiments described herein description And algorithm steps, can with electronic hardware, computer software or the two be implemented in combination in, in order to clearly demonstrate hardware and The interchangeability of software, according to function has generally described the composition and step of each example in the above description.These Function is performed with hardware or software mode actually, depending on the application-specific and design constraint of technical scheme.Specialty Technical staff can use different methods to realize described function to each specific application, but this realization should not Think beyond the scope of this invention.
Obviously, those skilled in the art can carry out the spirit of various changes and modification without deviating from the present invention to invention And scope.So, if these modifications of the present invention and modification belong to the claims in the present invention and its equivalent technologies scope it Interior, then the present invention is also intended to including including these changes and modification.

Claims (10)

1. a kind of foundation bolt fixing device, it is characterised in that include:
Square table framework, is welded by many many angle steel, and the surrounding of the top surface of the square table framework is provided with the first V-groove Mouthful;
The corner brace of the bottom of the square table framework is connected to, in the corner brace hole for the expansion bolt is provided with;
Expansion bolt, the expansion bolt is by being connected the corner brace with ground through the hole for the expansion bolt;
The steel plate of the top surface of the square table framework is arranged at, the surrounding of the steel plate is provided with the embedded first V-groove mouth Second V-groove mouth, on the steel plate anchor (bolt) hole is offered;
Foundation bolt, the foundation bolt by being inserted in the anchor (bolt) hole, the position to be fixed being positioned on ground.
2. foundation bolt fixing device as claimed in claim 1, it is characterised in that the top of the steel plate and the square table framework Face passes through self-drilling connection.
3. foundation bolt fixing device as claimed in claim 1, it is characterised in that the foundation bolt fixing device also includes The foundation bolt cap being sheathed on the foundation bolt, the foundation bolt is fixed on the steel plate by foundation bolt nut On.
4. foundation bolt fixing device as claimed in claim 1, it is characterised in that the hole for the expansion bolt is mounting hole.
5. the foundation bolt fixing device as described in any one of Claims 1-4, it is characterised in that the corner brace and square table frame The bottom welding connection of frame.
6. a kind of localization method of foundation bolt, it is characterised in that include:
Many angle steel are welded into into square table framework, the first V-groove mouth is set in the surrounding of the top surface of the square table framework;
In the bottom connecting corner yard of the square table framework, hole for the expansion bolt is set in the corner brace;
The second V-groove mouth is set in the surrounding of one block of steel plate, on the steel plate anchor (bolt) hole is opened up, the steel plate is placed In the top surface of the square table framework, the surrounding of the top surface that the second V-groove mouth on the steel plate is embedded in into the square table framework sets The the first V-groove mouth put;
According to the relative position of hole for the expansion bolt in anchor (bolt) hole on the steel plate and the corner brace, at the construction field (site) snap the line is fixed The installation site of the position corner brace, and according to the installation site in ground plane apertures;
By the expansion bolt through the hole for the expansion bolt in the corner brace, the corner brace is connected with ground institute perforate;
By the way that foundation bolt is inserted in the anchor (bolt) hole, the position to be fixed that the foundation bolt is positioned on ground Put;
In the following position casting concrete terrace of the steel plate, the concrete floor coats the square table frame below the steel plate Frame and foundation bolt part;
After the completion of concrete floor is poured, the steel plate is removed, and cut away the square table framework remained on concrete floor.
7. the localization method of foundation bolt as claimed in claim 6, it is characterised in that by the second V-groove on the steel plate Mouth is embedded in after the first V-groove mouth that the surrounding of the top surface of the square table framework is arranged, and is also included:
The steel plate is passed through into self-drilling connection with the top surface of the square table framework.
8. the localization method of foundation bolt as claimed in claim 6, it is characterised in that foundation bolt is inserted in into the lower margin After in bolt hole, also include:
By foundation bolt cap sleeve on the foundation bolt, the foundation bolt is fixed on described by foundation bolt nut On steel plate.
9. the localization method of foundation bolt as claimed in claim 6, it is characterised in that the hole for the expansion bolt is mounting hole.
10. the localization method of the foundation bolt as described in any one of claim 6 to 9, it is characterised in that in the square table framework Bottom connecting corner yard, including:
The corner brace is connected with the bottom welding of square table framework.
CN201611157189.0A 2016-12-15 2016-12-15 Foundation bolt fixing apparatus and positioning method CN106638664A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611157189.0A CN106638664A (en) 2016-12-15 2016-12-15 Foundation bolt fixing apparatus and positioning method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611157189.0A CN106638664A (en) 2016-12-15 2016-12-15 Foundation bolt fixing apparatus and positioning method

Publications (1)

Publication Number Publication Date
CN106638664A true CN106638664A (en) 2017-05-10

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Application Number Title Priority Date Filing Date
CN201611157189.0A CN106638664A (en) 2016-12-15 2016-12-15 Foundation bolt fixing apparatus and positioning method

Country Status (1)

Country Link
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102425186A (en) * 2011-08-26 2012-04-25 中建钢构有限公司 Foundation bolt stock and manufacture method thereof
CN103437374A (en) * 2013-09-06 2013-12-11 中国十九冶集团有限公司 Positioning device for installing groups of foundation bolts and installation method thereof
CN203891058U (en) * 2014-05-06 2014-10-22 浙江广厦建设职业技术学院 Built-in foundation bolt positioning tool for fixed type tower crane foundation
CN204040056U (en) * 2014-06-26 2014-12-24 中国建筑第八工程局有限公司 A kind of location and installation support of pre-embedded anchoring bolts
CN205421322U (en) * 2015-12-01 2016-08-03 中国建筑第八工程局有限公司 Pre -buried rag bolt crowd's positioning tool
CN206376273U (en) * 2016-12-15 2017-08-04 上海建工集团股份有限公司 Foundation bolt fixing device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102425186A (en) * 2011-08-26 2012-04-25 中建钢构有限公司 Foundation bolt stock and manufacture method thereof
CN103437374A (en) * 2013-09-06 2013-12-11 中国十九冶集团有限公司 Positioning device for installing groups of foundation bolts and installation method thereof
CN203891058U (en) * 2014-05-06 2014-10-22 浙江广厦建设职业技术学院 Built-in foundation bolt positioning tool for fixed type tower crane foundation
CN204040056U (en) * 2014-06-26 2014-12-24 中国建筑第八工程局有限公司 A kind of location and installation support of pre-embedded anchoring bolts
CN205421322U (en) * 2015-12-01 2016-08-03 中国建筑第八工程局有限公司 Pre -buried rag bolt crowd's positioning tool
CN206376273U (en) * 2016-12-15 2017-08-04 上海建工集团股份有限公司 Foundation bolt fixing device

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