CN105313221A - Box girder web reinforcing bar positioning device and construction method thereof - Google Patents

Box girder web reinforcing bar positioning device and construction method thereof Download PDF

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Publication number
CN105313221A
CN105313221A CN201510789764.8A CN201510789764A CN105313221A CN 105313221 A CN105313221 A CN 105313221A CN 201510789764 A CN201510789764 A CN 201510789764A CN 105313221 A CN105313221 A CN 105313221A
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CN
China
Prior art keywords
reinforcing bar
box girder
girder web
floor
positioning device
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Granted
Application number
CN201510789764.8A
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Chinese (zh)
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CN105313221B (en
Inventor
宋乃虎
李飞翔
苏连军
夏扬帆
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China Civil (Beijing) Technology Inspection Co., Ltd.
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China Construction Civil Engineering Co Ltd
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Priority to CN201510789764.8A priority Critical patent/CN105313221B/en
Publication of CN105313221A publication Critical patent/CN105313221A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members

Abstract

The invention discloses a box girder web reinforcing bar positioning device and a construction method thereof. The box girder web reinforcing bar positioning device comprises floor support frames and a reinforcing bar binding and positioning frame, wherein a group of floor support frames are arranged in the direction of a vertical beam at intervals, at least one limiting sleeve with a horizontal opening in the direction of a cross beam is connected to one side of the floor support frames, and the suspended reinforcing bar binding and positioning frame is connected to the side of the floor support frames; the reinforcing bar binding and positioning frame is a comb-like frame which is composed of comb back rods and a group of comb-tooth-shaped reinforcing bar binding support rods horizontally connected to the comb back rods, and the distance between the reinforcing bar binding support rods is matched with the distance between box girder web reinforcing bars; at least one limiting rod with the number, size and connecting position matched with those of the limiting sleeves is arranged in the reinforcing bar binding support rods, and the limiting rods are connected to the interiors of the limiting sleeves correspondingly in a horizontally retractable mode. By the adoption of the box girder web reinforcing bar positioning device and the construction method thereof, reinforcing bars can be positioned accurately, operation is easy, the positions of the reinforcing bars are accurate, reinforcing bar framework installation quality can be guaranteed, construction difficulty is reduced, quick hoisting is achieved, and time and labor are saved.

Description

A kind of box girder web bar reinforcement positioning device and construction method thereof
Technical field
The present invention relates to a kind of construction appurtenance and construction method thereof, the positioner of particularly a kind of assembling reinforcement and construction method thereof.
Background technology
It is shaping that existing box girder web reinforcing bar needs the particular stent on precast beam field to be carried out colligation before lifting.Existing positioner generally bears support and the positioning action of assembling reinforcement simultaneously, and support portion is fixedly connected with location division, and resistance to overturning is poor, easily cause locate during box girder web colligation inaccurate, the technical problem of time-consuming work consuming.And after reinforcing bar binding completes, because support body is for being fixedly connected with, reinforcing bar dismounting is loaded down with trivial details, cannot realize the fast hoisting of steel reinforcement cage.
Summary of the invention
The object of this invention is to provide a kind of box girder web bar reinforcement positioning device and construction method thereof, making of solving that existing steel bar positioning frame exists locate during box girder web colligation inaccurate, resistance to overturning is poor, the dismounting of time-consuming work consuming, reinforcing bar is loaded down with trivial details and cannot realize the technical problem of fast hoisting of steel reinforcement cage.
For achieving the above object, the present invention adopts following technical scheme:
A kind of box girder web bar reinforcement positioning device, comprise supporting and location shelving, described supporting and location shelving comprise be placed in beam to box girder web reinforcing bar outside floor-type support frame and crossbeam to reinforcing bar binding locating rack, described floor-type support frame is along beam to being arranged at intervals with one group, the side of floor-type support frame is connected with at least one open horizontal, be oriented crossbeam to spacing collar, this side floor-type support frame is also connected with unsettled reinforcing bar binding locating rack, described reinforcing bar binding locating rack is combed support body, the reinforcing bar binding pressure pin that this combed support body is comb teeth-shaped by comb back bar and a group of being horizontally connected on comb back bar forms, the spacing of reinforcing bar binding pressure pin and the spacing of box girder web reinforcing bar adapt, the number with spacing collar is provided with in reinforcing bar binding pressure pin, at least one gag lever post that size and link position adapt, described gag lever post level can pull and push and be connected within corresponding spacing collar.
Described floor-type support frame be crossbeam to plane trigonometry frame, be by montant, with montant bottom vertical and the crossbeam be connected to cross bar and the hound connecting cross bar and montant.
Support body bracing piece is also connected with between described floor-type support frame, comprise the first bracing piece and the second bracing piece, the bottom of described first bracing piece is connected on cross bar, the inner side of hound, the length of described first bracing piece is longer than hound, the top of the first bracing piece be all connected with beam to, the top of the first bracing piece is linked as the second overall bracing piece.
Described spacing collar is nut or short steel pipes, and described spacing collar is welded in the side of hound or is welded in the common side of hound and the first bracing piece.
Described comb back bar and the angled setting of horizontal plane, this angle and box girder web reinforcing bar adapt along the default layout outside case beam.
Described spacing collar is interval with 2-4 along the short transverse of hound.
Described floor-type support frame is made up of shaped steel, steel pipe or both Combination Welding.
Described reinforcing bar binding locating rack is made up of shaped steel, steel pipe or both Combination Welding.
The diameter of described gag lever post is greater than the diameter of all the other reinforcing bar binding pressure pins.
Described support body bracing piece is shaped steel, steel pipe or both combinations.
The construction method of this box girder web bar reinforcement positioning device, construction procedure is as follows:
Step one, carries out selecting of pole stock to floor-type support frame and support body bracing piece and makes;
Step 2, by floor-type support frame along beam to arranging successively, described first bracing piece is soldered on floor-type support frame, and uses the second bracing piece to be connected successively by the first bracing piece, makes each floor-type support frame along beam to being linked to be entirety;
Step 3, calculates the load on the positioning device of box girder web reinforcing bar, each floor-type support frame welds the spacing collar that a group can be born this load;
Step 4, carries out selecting of pole stock to reinforcing bar binding locating rack and makes, and the gag lever post in reinforcing bar binding locating rack and the number of spacing collar, size and link position adapt;
Step 5, inserts the gag lever post of reinforcing bar binding locating rack in spacing collar, reinforcing bar binding locating rack is fixed on floor-type support frame by spacing collar 3 is unsettled, completes the assembling of box girder web bar reinforcement positioning device;
Step 6, reinforcing bar binding locating rack carries out the colligation of box girder web reinforcing bar;
Step 7, after completing colligation, extracts out gag lever post from spacing collar, and reinforcing bar binding locating rack is separated with floor-type support frame;
Step 8, the box girder web reinforcing bar that colligation is good unloads on box girder web bar reinforcement positioning device, carries out lifting work subsequently to box girder web reinforcing bar.
Compared with prior art the present invention has following characteristics and beneficial effect:
Box girder web bar reinforcement positioning device of the present invention, compared to existing technology support portion and location division are separated, floor-type support frame is plane trigonometry frame firm supporting, location division and reinforcing bar binding locating rack are comb steel bar colligation locating rack, can use together with support portion freely or separate dismounting, support portion and location division can make different models with the use of.
Spacing collar in the present invention is connected directly between on floor-type support frame, sleeve pipe is born the spacing of reinforcing bar binding locating rack and the effect of transmitting reinforcing bar load simultaneously, the gag lever post size inserted in sleeve pipe is greater than all the other reinforcing bar binding pressure pins, better to transmit reinforcing bar load.
Support body bracing piece also set up by floor-type support frame of the present invention, has ensured the stability between multiple floor-type support frame, better transmitted reinforcing bar load simultaneously.
Comb back bar of the present invention and the angled setting of horizontal plane, to ensure the colligation angle of web reinforcement.
Box girder web bar reinforcement positioning device of the present invention, can accurate spacer bar, and the even standard of bar spacing, simple to operate, reinforcement location is accurate, and can adjust in real time support body as required, framework of steel reinforcement installation quality can be guaranteed.After reinforcing bar binding completes, after floor-type support frame is extracted out reinforcing bar binding locating rack, reinforcing bar can unload, and reduces difficulty of construction, and speed of application is fast, simple to operate, realizes lifting rapidly, time saving and energy saving less manpower.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is the structural representation of floor-type support frame.
Fig. 2 is the structural representation that support body bracing piece is connected on floor-type support.
Fig. 3 is the structural representation of reinforcing bar binding locating rack.
Fig. 4 is using state schematic diagram of the present invention.
Fig. 5 is the plan structure schematic diagram of Fig. 4.
Reference numeral: 1-floor-type support frame, 1.1-montant, 1.2-cross bar, 1.3-hound, 2-reinforcing bar binding locating rack, 2.1-comb back bar, 2.2-reinforcing bar binding pressure pin, 2.21-gag lever post, 3-spacing collar, 4-box girder web reinforcing bar, 5-support body bracing piece, 5.1-first bracing piece, 5.2-second bracing piece.
Detailed description of the invention
Embodiment is see shown in Fig. 1-5, and beam is to being A, and crossbeam is to being B.A kind of box girder web bar reinforcement positioning device, comprise supporting and location shelving, this supporting and location shelving comprise be placed in beam to box girder web reinforcing bar 4 outside floor-type support frame 1 and crossbeam to reinforcing bar binding locating rack 2, described floor-type support frame is along beam to being arranged at intervals with one group, the side of floor-type support frame 1 is connected with at least one open horizontal, be oriented crossbeam to spacing collar 3, this side floor-type support frame is also connected with unsettled reinforcing bar binding locating rack 2, described reinforcing bar binding locating rack is combed support body, the reinforcing bar binding pressure pin 2.2 that this combed support body is comb teeth-shaped by comb back bar 2.1 and a group of being horizontally connected on comb back bar 2.1 forms, the spacing of reinforcing bar binding pressure pin 2.2 and the spacing of box girder web reinforcing bar 4 adapt, the number with spacing collar 3 is provided with in reinforcing bar binding pressure pin 2.2, at least one gag lever post 2.21 that size and link position adapt, described gag lever post 2.21 level can pull and push and be connected within corresponding spacing collar 3.
Described floor-type support frame 1 be crossbeam to plane trigonometry frame, be by montant 1.1, with montant bottom vertical and the crossbeam be connected to cross bar 1.2 and the hound 1.3 connecting cross bar and montant.
Support body bracing piece 5 is also connected with between described floor-type support frame 1, comprise the first bracing piece 5.1 and the second bracing piece 5.2, the bottom of described first bracing piece 5.1 is connected on cross bar 1.2, the inner side of hound 1.3, the length of described first bracing piece 5.1 is longer than hound 1.3, the top of the first bracing piece 5.1 be all connected with beam to, the top of the first bracing piece is linked as the second overall bracing piece 5.2.
Described spacing collar 3 is nut or short steel pipes, and described spacing collar 3 is welded in the side of hound 1.3 or is welded in the common side of hound 1.3 and the first bracing piece 5.1.Spacing collar 3 is interval with 2-4 along the short transverse of hound 1.3.Be two nuts in this example, be arranged at the common side being welded in hound 1.3 and the first bracing piece 5.1.
Described comb back bar 2.1 is arranged with the angled a of horizontal plane, and this angle and box girder web reinforcing bar 4 adapt along the default layout outside case beam.
Described floor-type support frame 1 is made up of shaped steel, steel pipe or both Combination Welding.Steel pipe can be used in the present embodiment to weld.
Described reinforcing bar binding locating rack 2 is made up of shaped steel, steel pipe or both Combination Welding.The diameter of described gag lever post 2.21 is greater than the diameter of all the other reinforcing bar binding pressure pins.In the present embodiment, comb back bar 2.1 is steel pipe, and spiral is as reinforcing bar binding pressure pin 2.2, and gag lever post 2.21 is steel pipe.
Described support body bracing piece 5 is shaped steel, steel pipe or both combinations.Steel pipe can be used in the present embodiment to weld.
The construction procedure using box girder web bar reinforcement positioning device of the present invention to carry out reinforcing bar binding is as follows:
Step one, carries out selecting of pole stock to floor-type support frame and support body bracing piece and makes;
Step 2, by floor-type support frame 1 along beam to arranging successively, described first bracing piece 5.1 is soldered on floor-type support frame, and uses the second bracing piece 5.2 to be connected successively by first bracing piece 5.1, makes each floor-type support frame 1 along beam to being linked to be entirety.
Step 3, calculates the load on the positioning device of box girder web reinforcing bar, each floor-type support frame 1 welds the spacing collar 3 that a group can be born this load.
Step 4, carries out selecting of pole stock to reinforcing bar binding locating rack and makes, and the gag lever post 2.21 in reinforcing bar binding locating rack and the number of spacing collar 3, size and link position adapt.
Step 5, inserts in spacing collar by the gag lever post 2.21 of reinforcing bar binding locating rack, reinforcing bar binding locating rack 2 is fixed on floor-type support frame by spacing collar 3 is unsettled, completes the assembling of box girder web bar reinforcement positioning device;
Step 6, reinforcing bar binding locating rack carries out the colligation of box girder web reinforcing bar 4.
Step 7, after completing colligation, extracts out gag lever post 2.21 from spacing collar, reinforcing bar binding locating rack 2 is separated with floor-type support frame 1.
Step 8, the box girder web reinforcing bar that colligation is good unloads on box girder web bar reinforcement positioning device, carries out lifting work subsequently to box girder web reinforcing bar.

Claims (10)

1. a box girder web bar reinforcement positioning device, comprise supporting and location shelving, it is characterized in that: described supporting and location shelving comprise be placed in beam to box girder web reinforcing bar (4) outside floor-type support frame (1) and crossbeam to reinforcing bar binding locating rack (2), described floor-type support frame is along beam to being arranged at intervals with one group, the side of floor-type support frame (1) is connected with at least one open horizontal, be oriented crossbeam to spacing collar (3), this side floor-type support frame is also connected with unsettled reinforcing bar binding locating rack (2), described reinforcing bar binding locating rack is combed support body, the reinforcing bar binding pressure pin (2.2) that this combed support body is comb teeth-shaped by comb back bar (2.1) and a group of being horizontally connected on comb back bar (2.1) forms, the spacing of reinforcing bar binding pressure pin (2.2) and the spacing of box girder web reinforcing bar (4) adapt, the number with spacing collar (3) is provided with in reinforcing bar binding pressure pin (2.2), at least one gag lever post (2.21) that size and link position adapt, described gag lever post (2.21) level can pull and push and be connected within corresponding spacing collar (3).
2. box girder web bar reinforcement positioning device according to claim 1, it is characterized in that: described floor-type support frame (1) for crossbeam to plane trigonometry frame, be by montant (1.1), with montant bottom vertical and the crossbeam that is connected to cross bar (1.2) and the hound (1.3) connecting cross bar and montant.
3. box girder web bar reinforcement positioning device according to claim 2, it is characterized in that: between described floor-type support frame (1), be also connected with support body bracing piece (5), comprise the first bracing piece (5.1) and the second bracing piece (5.2), the bottom of described first bracing piece (5.1) is connected on cross bar (1.2), the inner side of hound (1.3), the length of described first bracing piece (5.1) is longer than hound (1.3), the top of the first bracing piece (5.1) be all connected with beam to, the top of the first bracing piece is linked as overall the second bracing piece (5.2).
4. box girder web bar reinforcement positioning device according to claim 3, it is characterized in that: described spacing collar (3) is nut or short steel pipes, described spacing collar (3) is welded in the side of hound (1.3) or is welded in the common side of hound (1.3) and the first bracing piece (5.1).
5. box girder web bar reinforcement positioning device according to claim 1, is characterized in that: described comb back bar (2.1) and the angled setting of horizontal plane, this angle and box girder web reinforcing bar (4) adapt along the default layout outside case beam.
6. box girder web bar reinforcement positioning device according to claim 4, is characterized in that: described spacing collar (3) is interval with 2-4 along the short transverse of hound (1.3).
7. box girder web bar reinforcement positioning device according to claim 1, it is characterized in that: described floor-type support frame (1) is made up of shaped steel, steel pipe or both Combination Welding, described reinforcing bar binding locating rack (2) is made up of shaped steel, steel pipe or both Combination Welding.
8. box girder web bar reinforcement positioning device according to claim 1 or 8, is characterized in that: the diameter of described gag lever post (2.21) is greater than the diameter of all the other reinforcing bar binding pressure pins.
9. box girder web bar reinforcement positioning device according to claim 4, is characterized in that: described support body bracing piece (5) is shaped steel, steel pipe or both combinations.
10. a construction method for the box girder web bar reinforcement positioning device according to claim 1-9 any one, it is characterized in that, construction procedure is as follows:
Step one, carries out selecting of pole stock to floor-type support frame and support body bracing piece and makes;
Step 2, by floor-type support frame (1) along beam to arranging successively, described first bracing piece (5.1) is soldered on floor-type support frame, and uses the second bracing piece (5.2) to be connected successively by the first bracing piece (5.1), makes each floor-type support frame (1) along beam to being linked to be entirety;
Step 3, calculates the load on the positioning device of box girder web reinforcing bar, can bear the spacing collar (3) of this load in the upper welding one group of each floor-type support frame (1);
Step 4, carries out selecting of pole stock to reinforcing bar binding locating rack and makes, and the number of the gag lever post (2.21) in reinforcing bar binding locating rack and spacing collar (3), size and link position adapt;
Step 5, inserts the gag lever post (2.21) of reinforcing bar binding locating rack in spacing collar, reinforcing bar binding locating rack (2) is fixed on floor-type support frame by spacing collar (3) is unsettled, completes the assembling of box girder web bar reinforcement positioning device;
Step 6, reinforcing bar binding locating rack carries out the colligation of box girder web reinforcing bar (4);
Step 7, after completing colligation, extracts out gag lever post (2.21) from spacing collar, reinforcing bar binding locating rack (2) is separated with floor-type support frame (1);
Step 8, the box girder web reinforcing bar that colligation is good unloads on box girder web bar reinforcement positioning device, carries out lifting work subsequently to box girder web reinforcing bar.
CN201510789764.8A 2015-11-17 2015-11-17 A kind of box girder web bar reinforcement positioning device and its construction method Active CN105313221B (en)

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CN106320612A (en) * 2016-08-24 2017-01-11 中天建设集团有限公司天津分公司 Poisoning reinforcement calibration welding tool and using method thereof
CN108193602A (en) * 2018-02-07 2018-06-22 中交公局第二工程有限公司 A kind of adjustable web hooping mounting and positioning device
CN108555867A (en) * 2018-06-21 2018-09-21 上海欣庆机械有限公司 Web positioning storage tooling
CN115446974A (en) * 2022-09-13 2022-12-09 山东高速德建集团有限公司 Diamond-section concrete super-heavy beam side support frame and using method thereof

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CN108555867A (en) * 2018-06-21 2018-09-21 上海欣庆机械有限公司 Web positioning storage tooling
CN115446974A (en) * 2022-09-13 2022-12-09 山东高速德建集团有限公司 Diamond-section concrete super-heavy beam side support frame and using method thereof

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Inventor after: Song Naihu

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