CN203229865U - Clamping-groove type bridge pier shaft steel bar positioning device - Google Patents

Clamping-groove type bridge pier shaft steel bar positioning device Download PDF

Info

Publication number
CN203229865U
CN203229865U CN 201320210451 CN201320210451U CN203229865U CN 203229865 U CN203229865 U CN 203229865U CN 201320210451 CN201320210451 CN 201320210451 CN 201320210451 U CN201320210451 U CN 201320210451U CN 203229865 U CN203229865 U CN 203229865U
Authority
CN
China
Prior art keywords
pier shaft
reinforcing bar
detent
positioning
clamping
Prior art date
Application number
CN 201320210451
Other languages
Chinese (zh)
Inventor
吴建峰
李友清
杨洪磊
郭铁春
唐宏
柴伟
刘怀刚
阳征夫
傅荣华
Original Assignee
中交路桥华南工程有限公司
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 中交路桥华南工程有限公司 filed Critical 中交路桥华南工程有限公司
Priority to CN 201320210451 priority Critical patent/CN203229865U/en
Application granted granted Critical
Publication of CN203229865U publication Critical patent/CN203229865U/en

Links

Abstract

The utility model discloses a clamping-groove type bridge pier shaft steel bar positioning device comprising a positioning mechanism used for positioning and mounting pier shaft steel bars. The clamping-groove type bridge pier shaft steel bar positioning device is characterized in that the positioning mechanism comprises a lower positioning mechanism mounted on the top surface of a bearing platform and an upper positioning mechanism mounted at a top opening of a pier shaft formwork, each of the lower positioning mechanism and the upper positioning mechanism comprises a positioning steel plate arranged on a mounting surface through fixing bolts, a plurality of notches fitting the pier shaft steel bars are formed in the inner edge of each positioning steel plate according to measuring and lofting positions of the pier shaft steel bars, the inner edge of the positioning steel plate of the upper positioning mechanism is over the inner edge of the top opening of the pier shaft formwork, the notches of the lower positioning mechanism and the upper positioning mechanism are opposite in up-down position, and each pier shaft steel bar of a bridge is positioned and mounted in a pair of opposite notches. The clamping-groove type bridge pier shaft steel bar positioning device is capable of improving mounting and positioning precision of the pier shaft steel bars and reducing control difficulty of a steel bar protective layer, and has the advantages of convenience in mounting and demounting, simplicity and feasibility.

Description

Card slot type bridge pier shaft reinforcing bar positioner
Technical field
The utility model relates to a kind of reinforcing bar positioner, specifically a kind of card slot type bridge pier shaft reinforcing bar positioner.
Background technology
Bridge pier is the main support thing of bridge, and it mainly is made up of the cushion cap, pier shaft, pier shaft reinforcing bar and the Liang Gai that build on the basis.In the present Bridge Pier Construction, the pier shaft reinforcing bar divides two stages to install, first stage is to carry out reinforcing bar to locate pre-buried when bearing platform construction, second stage be when pier construction in pier shaft location and installation pier stud reinforcing bar, and the embedded bar in this pier stud reinforcing bar and the cushion cap connects to form the pier shaft reinforcing bar of bridge bottom.
In the prior art; above-mentioned pier shaft reinforcing bar adopts manual mode to position installation; make installation and the positioning accuracy deficiency of reinforcing bar; thereby make the construction qualification rate of pier shaft topping lower; the pier shaft concrete bursts apart easily; the bridge force-bearing structure is affected, and causes the lost of life of bridge, maintenance cost to increase.
Flourish along with bridge construction in all parts of the country; increasing bridge engineering drops into construction; installation and the low low problem of pier shaft topping qualification rate that causes of positioning accuracy by reinforcing bar more and more come into one's own; for the influence of avoiding this problem continues extension, need a kind of device that can improve pier shaft reinforcement installation positioning accuracy badly.
The utility model content
The purpose of this utility model provides a kind of card slot type bridge pier shaft reinforcing bar positioner, can improve the installation positioning accuracy of pier shaft reinforcing bar.
The purpose of this utility model is to realize by following technical measures:
A kind of card slot type bridge pier shaft reinforcing bar positioner, comprise for the detent mechanism of location and installation pier shaft reinforcing bar, it is characterized in that: described detent mechanism is made up of the below detent mechanism that is installed in the cushion cap end face and the top detent mechanism that is installed in pier stud template top mouth; Described below detent mechanism and top detent mechanism include the fixing steel plate that is arranged on installed surface by set bolt, the interior edge of this fixing steel plate has the suitable notch of several and pier shaft reinforcing bar according to the measurement setting-out position of pier shaft reinforcing bar, the edge exceeds the interior edge of top mouth of pier stud template in the fixing steel plate of wherein said top detent mechanism, each notch upper-lower position of described below detent mechanism and top detent mechanism is oppositely arranged, and each pier shaft reinforcing bar difference location and installation of bridge is on the notch of pair of opposing.
As a kind of improvement of the present utility model, described below detent mechanism and top detent mechanism all have additional outside clamping element, inboard clamping element and connecting bolt; Described outside clamping element is positioned at the pier shaft reinforcing bar outside and is arranged on the end face of fixing steel plate by described set bolt, it is inboard and be connected with outside clamping element by connecting bolt that described inboard clamping element is positioned at the pier shaft reinforcing bar, and each pier shaft reinforcing bar of bridge is clamped between inboard clamping element and the fixing steel plate.Make the firm location and installation of pier shaft reinforcing bar in notch.
As a kind of improvement of the present utility model, the outside clamping element of described below detent mechanism is connected with cushion cap template on being arranged on cushion cap by standing screw.
A kind of embodiment of the present utility model, described outside clamping element and inboard clamping element are the angle steel that specification is ∠ 50 * 5mm, and the thickness of described fixing steel plate is 10mm.
A kind of improvement of the present utility model, described notch are semicircular notch.
A kind of embodiment of the present utility model, described fixing steel plate are by four block length square plates and four blocks of ring-type steel plates that the curved plate splicing is formed; Described four block length square plates and four curved plates are along pier stud template top mouthful layout, and four block length square plates lay respectively on four limits of pier stud template top mouth, and four curved plates lay respectively between the two adjacent block length square plates.
Compared with prior art, the utlity model has following technique effect:
First, the utility model arranges detent mechanism at cushion cap end face and pier stud template top mouth respectively, each pier shaft reinforcing bar difference location and installation of bridge is on the notch of the pair of opposing of positioner, the problem that the pier shaft embedded bar easily is shifted when having solved cushion cap concreting in the past, improved the pier shaft reinforcing bar, the positioning accuracy that comprises embedded bar and pier stud reinforcing bar, the while has also been reduced the control difficulty of reinforcement cover;
The second, positioner peace of the present utility model is torn open conveniently, and is simple, greatly accelerated the installation rate of pier shaft reinforcing bar;
The 3rd, application of the present utility model makes and installation codeization, the mold of pier shaft reinforcing bar has improved operating efficiency, has saved operating expenses, has brought considerable economic and social benefit.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is the vertical view of the utility model positioner;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the laying schematic diagram of the utility model positioner;
Fig. 4 utilizes the utility model the pier shaft reinforcing bar to be positioned the flow chart of installation.
Among the figure, the 1-fixing steel plate; The 1a-notch; 101-rectangle steel plate; The 102-curved plate; 2-outside clamping element; The inboard clamping element of 3-; The 4-standing screw; The 5-connecting bolt; The 6-set bolt; 7-pier shaft reinforcing bar; 7a-pier stud reinforcing bar; The 7b-embedded bar; The 8-cushion cap; 9-cushion cap template; 10-below detent mechanism; 11-pier stud template; 12-top detent mechanism.
The specific embodiment
As depicted in figs. 1 and 2, the card slot type bridge pier shaft reinforcing bar positioner of the utility model preferred embodiment is made of below detent mechanism and top detent mechanism, the below detent mechanism is installed in the cushion cap end face, the top detent mechanism is installed in pier stud template top mouth, and it is suitable for the pier shaft reinforcing bar 7 of φ 28mm is positioned.Below detent mechanism and top detent mechanism are formed by fixing steel plate 1, set bolt 6, outside clamping element 2, inboard clamping element 3 and connecting bolt 5.Wherein, fixing steel plate 1 is the ring-type steel plate of the δ 10mm thickness be made up of four block length square plates 101 and 102 splicings of four curved plates; Four block length square plates 101 and four curved plates 102 are along pier stud template top mouthful layout, four block length square plates 101 lay respectively on four limits of pier stud template top mouth, four curved plates 102 lay respectively between the two adjacent block length square plates 101, the interior edge of fixing steel plate 1 has the suitable semicircular notch 1a of several and pier shaft reinforcing bar 7 according to the measurement setting-out position of pier shaft reinforcing bar 7, should get diameter according to pier shaft reinforcing bar 7 between each notch 1a, spacing and required protective layer thickness are laid, position and spacing with control pier shaft reinforcing bar 7, wherein the fixing steel plate 1 of top detent mechanism is interior along edge in the top mouth that exceeds the pier stud template, each notch 1a upper-lower position of below detent mechanism and top detent mechanism is oppositely arranged, and each pier shaft reinforcing bar 7 difference location and installation of bridge are on the notch 1a of pair of opposing; Outside clamping element 2 is four angle steel that specification is ∠ 50 * 5mm, they are positioned at pier shaft reinforcing bar 7 outsides and are separately positioned on the end face of four block length square plates 101, offering five on fixing steel plate 1 and the outside clamping element 2 and do a rectangle bolt hole, is that the set bolt 6 of φ 16mm is fastened on the installed surface by specification; Inboard clamping element 3 also is four angle steel that specification is ∠ 50 * 5mm, they are positioned at the pier shaft reinforcing bar 7 inboard connecting bolts 5 that also pass through and are connected with outside clamping element 2, each pier shaft reinforcing bar 7 of bridge is clamped between inboard clamping element 3 and the fixing steel plate 1, makes location and installation that pier shaft reinforcing bar 7 can be firm in notch 1a.In addition, the outside clamping element 2 of below detent mechanism is connected with cushion cap template on being arranged on cushion cap by standing screw 4.
As shown in Figure 3 and Figure 4, in bridge construction process, utilize the positioner of above-described embodiment as follows to the technological process that pier shaft reinforcing bar 7 positions:
(1) at first measures setting-out at the concrete cushion end face, mark 8 four angle points of cushion cap, pier shaft axis in length and breadth respectively;
(2) the cushion cap reinforcing bar binding is carried out in setting-out and the topping cushion block is installed according to measuring;
(3) according to measuring the setting-out position cushion cap four cheek boards are installed;
(4) at the cushion cap reinforcing bar and template 9 end faces carry out the plan-position and absolute altitude is put, detent mechanism 10 below installing on cushion cap top accordingly comprises fixing steel plate 1, set bolt 6, outside clamping element 2, inboard clamping element 3, connecting bolt 5 and the standing screw 4 of above-described embodiment;
(5) by below detent mechanism 10 location and installation embedded bar 7b, namely pier shaft reinforcing bar 7 stretches into the part in the cushion cap, is exposed at outside its upper end outside the cushion cap 8, and the reinforcing bar when being convenient to pier construction connects, main pier master muscle stirrup is installed and carry out colligation, welding is fixing;
(6) build the cushion cap concrete;
(7) the cushion cap concrete is carried out the receipts face, cover geotextiles and carry out water storing conservation, treat strong, cutter hair;
(8) around cushion cap top of concrete, pier shaft embedded bar, emit pier shaft sideline and elevation data;
(9) upper end of embedded bar 7b meets pier stud reinforcing bar 7a, and pier shaft reinforcing bar 7 is formed in their colligation stirrups and inside and outside lacing wire, and is no less than the pad that 4 installation concrete pad are carried out reinforcing bar by every square metre;
(10) pier stud template 11 is installed, detent mechanism 12 above template item mouth is installed comprises fixing steel plate 1, set bolt 6, outside clamping element 2, inboard clamping element 3 and the connecting bolt 5 of above-described embodiment;
(11) adjust template and local reinforcing bar, inspect for acceptance;
(12) adopt tumbling barrel to transfer the pier shaft concrete, build and vibrate;
(13) concrete chisel hair and maintenance.
As shown in table 1 below; through evidence; application by the utility model card slot type bridge pier shaft reinforcing bar positioner; efficiently solve problems such as bridge pier shaft thickness control of protection cover of rebar difficulty and rebar spacing be inhomogeneous; make work progress standardization and standardization more; and guaranteed that bridge engineering pier shaft rebar spacing and topping quality control on construction meet the requirement of correlation technique standard; improved the construction quality of pier shaft reinforcing bar to a great extent; improved the speed of reinforcement construction; economic results in society are remarkable; the raising of rebar spacing qualification rate reaches 13%, and the raising of reinforcement cover qualification rate reaches 15%.
Steel bar quality contrast table before and after table 1 card slot type reinforcing bar positioner is used
? The rebar spacing qualification rate The reinforcement cover qualification rate
Before mould uses 85% 80%
After mould uses 98% 95%
The utility model does not limit to and the above-mentioned specific embodiment; according to foregoing; ordinary skill knowledge and customary means according to this area; do not breaking away under the above-mentioned fundamental technics thought of the utility model prerequisite; the utility model can also be made equivalent modifications, replacement or the change of other various ways, all drops among the protection domain of the present utility model.

Claims (6)

1. card slot type bridge pier shaft reinforcing bar positioner, comprise for the detent mechanism of location and installation pier shaft reinforcing bar (7), it is characterized in that: described detent mechanism is made up of the below detent mechanism that is installed in the cushion cap end face and the top detent mechanism that is installed in pier stud template top mouth; Described below detent mechanism and top detent mechanism include the fixing steel plate (1) that is arranged on installed surface by set bolt (6), the interior edge of this fixing steel plate (1) has the suitable notch (1a) of several and pier shaft reinforcing bar (7) according to the measurement setting-out position of pier shaft reinforcing bar (7), the edge exceeds the interior edge of top mouth of pier stud template in the fixing steel plate (1) of wherein said top detent mechanism, each notch (1a) upper-lower position of described below detent mechanism and top detent mechanism is oppositely arranged, and each pier shaft reinforcing bar (7) difference location and installation of bridge is on the notch (1a) of pair of opposing.
2. card slot type bridge pier shaft reinforcing bar positioner according to claim 1 is characterized in that: clamping element (2), inboard clamping element (3) and connecting bolt (5) outside described below detent mechanism and top detent mechanism all have additional; Described outside clamping element (2) is positioned at pier shaft reinforcing bar (7) outside and is arranged on the end face of fixing steel plate (1) by described set bolt (6), it is inboard and be connected with outside clamping element (2) by connecting bolt (5) that described inboard clamping element (3) is positioned at pier shaft reinforcing bar (7), and each pier shaft reinforcing bar (7) of bridge is clamped between inboard clamping element (3) and the fixing steel plate (1).
3. card slot type bridge pier shaft reinforcing bar positioner according to claim 4 is characterized in that: the outside clamping element (2) of described below detent mechanism is connected with cushion cap template on being arranged on cushion cap by standing screw (4).
4. card slot type bridge pier shaft reinforcing bar positioner according to claim 3, it is characterized in that: described outside clamping element (2) and inboard clamping element (3) are the angle steel that specification is ∠ 50 * 5mm, and the thickness of described fixing steel plate (1) is 10mm.
5. according to any described card slot type bridge pier shaft reinforcing bar positioner of claim 1 to 4, it is characterized in that: described notch (1a) is semicircular notch.
6. card slot type bridge pier shaft reinforcing bar positioner according to claim 5 is characterized in that: the ring-type steel plate of described fixing steel plate (1) for being made up of four block length square plates (101) and four curved plates (102) splicing; Described four block length square plates (101) and four curved plates (102) are along pier stud template top mouthful layout, four block length square plates (101) lay respectively on four limits of pier stud template top mouth, and four curved plates (102) lay respectively between the two adjacent block length square plates (101).
CN 201320210451 2013-04-23 2013-04-23 Clamping-groove type bridge pier shaft steel bar positioning device CN203229865U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320210451 CN203229865U (en) 2013-04-23 2013-04-23 Clamping-groove type bridge pier shaft steel bar positioning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320210451 CN203229865U (en) 2013-04-23 2013-04-23 Clamping-groove type bridge pier shaft steel bar positioning device

Publications (1)

Publication Number Publication Date
CN203229865U true CN203229865U (en) 2013-10-09

Family

ID=49285998

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320210451 CN203229865U (en) 2013-04-23 2013-04-23 Clamping-groove type bridge pier shaft steel bar positioning device

Country Status (1)

Country Link
CN (1) CN203229865U (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103696573A (en) * 2013-11-29 2014-04-02 中交第二航务工程局有限公司 Quick positioning piece for steel bar binding
CN103909577A (en) * 2014-03-28 2014-07-09 中交第一航务工程局有限公司 Concrete member high-precision bearing foundation
CN103952971A (en) * 2014-05-22 2014-07-30 浙江金筑交通建设有限公司 Reinforced concrete structure hollow thin wall pier type steel frame column and construction method thereof
CN104264590A (en) * 2014-09-30 2015-01-07 中交二航局第四工程有限公司 Pier column rebar prefabricating bed-jig capable of accurately positioning main rebars and stirrups simultaneously
CN105178199A (en) * 2015-10-19 2015-12-23 中亿丰建设集团股份有限公司 Pier column construction method and pier column template
CN105437367A (en) * 2015-12-25 2016-03-30 上海建工四建集团有限公司 Steel reinforcement tire carrier and manufacturing method for steel reinforcement cage
CN105926950A (en) * 2016-06-21 2016-09-07 天元建设集团有限公司 Steel bar measurement positioning device and construction method thereof
CN109736205A (en) * 2019-01-25 2019-05-10 云南省铁路总公司 Protective layer thickness control method in pier stud work progress
CN110172902A (en) * 2019-06-06 2019-08-27 中建路桥集团有限公司 A kind of pier shaft embedded bar card slot positioning device

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103696573A (en) * 2013-11-29 2014-04-02 中交第二航务工程局有限公司 Quick positioning piece for steel bar binding
CN103696573B (en) * 2013-11-29 2016-06-29 中交第二航务工程局有限公司 The quick keeper of reinforcing bar binding
CN103909577A (en) * 2014-03-28 2014-07-09 中交第一航务工程局有限公司 Concrete member high-precision bearing foundation
CN103952971A (en) * 2014-05-22 2014-07-30 浙江金筑交通建设有限公司 Reinforced concrete structure hollow thin wall pier type steel frame column and construction method thereof
CN103952971B (en) * 2014-05-22 2015-11-04 浙江金筑交通建设有限公司 A kind of construction method of steel and concrete structure hollow thin-walled high pier type steel skeleton post
CN104264590A (en) * 2014-09-30 2015-01-07 中交二航局第四工程有限公司 Pier column rebar prefabricating bed-jig capable of accurately positioning main rebars and stirrups simultaneously
CN104264590B (en) * 2014-09-30 2016-01-20 中交二航局第四工程有限公司 A kind of prefabricated moulding bed of pier stud reinforcing bar simultaneously accurately can locating main muscle and stirrup
CN105178199A (en) * 2015-10-19 2015-12-23 中亿丰建设集团股份有限公司 Pier column construction method and pier column template
CN105437367A (en) * 2015-12-25 2016-03-30 上海建工四建集团有限公司 Steel reinforcement tire carrier and manufacturing method for steel reinforcement cage
CN105926950A (en) * 2016-06-21 2016-09-07 天元建设集团有限公司 Steel bar measurement positioning device and construction method thereof
CN109736205A (en) * 2019-01-25 2019-05-10 云南省铁路总公司 Protective layer thickness control method in pier stud work progress
CN110172902A (en) * 2019-06-06 2019-08-27 中建路桥集团有限公司 A kind of pier shaft embedded bar card slot positioning device
CN110172902B (en) * 2019-06-06 2020-05-15 中建路桥集团有限公司 Pier shaft embedded steel bar clamping groove positioning device

Similar Documents

Publication Publication Date Title
CN202266038U (en) Device for controlling flatness of concrete plate
CN105345926B (en) The precast construction method of prestressed concrete box girder
CN203821867U (en) Shear wall body assembling and aligning device
CN101413251A (en) 0 type block anti-cracking construction method of high pier large across creeping formwork
CN101886386B (en) Construction method for jointing of steel reinforcement cages of reinforced concrete drilling bored concrete pile
CN103938552B (en) Steel truss arched bridge self-balancing cantilever construction method and the spacing bearing of main pier
CN101781879B (en) Construction method of single-pylon cable-stayed bridge without dorsal cables
CN103437279B (en) Overhead cast-in-place box compression struts and construction technology thereof
CN103061265B (en) Construction method for lifting combined reinforcement cages
CN102294741B (en) Construction method for prefabricating hollow slab beams using hinged draw type steel internal mould
CN103806656A (en) Construction method of cast-in-place concrete flat slab built-in thin-wall hollow box body
CN103924784B (en) A kind of without waffle beam hollowcore slab anti-floating sidesway construction method
CN105421248B (en) Large-Span Continuous girder span building up station turns and closure construction method
CN106284079A (en) A kind of bridge break post replace classification synchronize integral jacking construction method
CN204459477U (en) A kind of pre-buried pipeline fixing bracket
CN104790302B (en) A kind of high pier continuous rigid frame bridge end bay straightway Hanging Basket coordinates bent cap support integral construction method
CN105064717A (en) Method for constructing added storey of building in jack-up manner through steel slide ways
CN103437291A (en) Integral water tank preloading construction process
CN103174068A (en) Straddle type single-rail traffic rigid frame system manufacturing construction method and linear control system
CN102535530A (en) Miniature pile model used for model tests and manufacturing method thereof
CN103882813B (en) For calf support platform and the building method thereof of bridge pier and straining beam synchronous construction
CN204781624U (en) Floor elevation and roughness controlling means
CN107905114A (en) A kind of construction method of large span Successive interference cancellation
CN102535849A (en) Constructional column top concreting method
CN104074141A (en) Construction method for small-radius curve fish belly type continuous box girder

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant