CN215202669U - Steel bar binding jig frame of variable-section concrete box girder - Google Patents
Steel bar binding jig frame of variable-section concrete box girder Download PDFInfo
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- CN215202669U CN215202669U CN202120197680.6U CN202120197680U CN215202669U CN 215202669 U CN215202669 U CN 215202669U CN 202120197680 U CN202120197680 U CN 202120197680U CN 215202669 U CN215202669 U CN 215202669U
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- box girder
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Abstract
A steel bar binding jig frame of a variable cross-section concrete box girder comprises a supporting frame with an opening on the top surface, end face supports are symmetrically and fixedly connected to two opposite side walls in the supporting frame, which are opposite to the extending direction of the box girder, and a plurality of inclination angle positioning rods are adjusted and hung on the supporting frame in the covering range of the end face supports along the extending direction of the box girder; the end face support comprises a top plate beam, a web plate beam and a pipeline support beam, the pipeline support beam is horizontally and fixedly arranged in the middle of the support frame, and the top plate beam and the web plate beam are symmetrically and fixedly connected to the two ends of the pipeline support beam in a midspan manner; the middle part of the web beam is connected with a first bracket by bolts, and the web beam is fixedly connected with a steel bar positioning beam along the extension direction of the box girder; the first bracket is provided with a supporting reference positioning rod which is adjusted along the extending direction of the box girder. This steel bar binding bed-jig can carry out accurate location to roof, bottom plate, web and the prestressing force pipeline of case roof beam reinforcing bar, is obviously superior to prior art in the adjustable bearing structure and the calibration structure of reinforcing bar bottom plate very much, and simple structure, and the location is adjusted conveniently.
Description
Technical Field
The utility model relates to a bridge construction technical field especially relates to a become reinforcement bed-jig of cross section concrete box girder.
Background
At present, two parts of precast concrete box girder steel reinforcement cage divide into end web steel reinforcement cage and roof steel reinforcement cage are ligatured respectively, when web steel reinforcement cage at the bottom of the ligature, make end web steel reinforcement location bed-jig earlier, recycle end web steel reinforcement location bed-jig ligature end web steel reinforcement cage, when ligature roof steel reinforcement cage, utilize the box girder template to ligature on prefabricated pedestal usually, and at last, hoist respectively the end web steel reinforcement cage that accomplishes the ligature and the roof steel reinforcement cage that accomplishes, and accomplish being connected between end web steel reinforcement cage and the roof steel reinforcement cage on the system roof beam pedestal.
In the actual use process, the following defects exist: 1. the bottom supporting inclined plane of the positioning rack is of a fixed structure, so that the inclination angle of the bound reinforcing steel bar bottom plate cannot be adjusted; 2. the positioning accuracy of the bottom web plate steel bars and the top plate steel bars is poor, and a prestressed pipeline positioning structure is not provided; 3. the construction efficiency is low, and the labor intensity is high.
Therefore, how to design a novel reinforcement bed-jig, be exclusively used in the ligature processing of variable cross section concrete box girder reinforcing bar is the technical problem that technical personnel in the field need to solve urgently.
Through published patent searches, the following comparison documents were found:
CN 201822183320.1-discloses whole ligature location bed-jig of precast concrete case beam steel reinforcement cage, including outer bed-jig and the interior bed-jig of setting in outer bed-jig inboard, outer bed-jig includes the bottom web steel reinforcement location bed-jig that is used for ligature location bottom web steel reinforcement cage and two symmetries set up the roof steel reinforcement support frame in bottom web steel reinforcement location bed-jig top outside, bottom web steel reinforcement location bed-jig includes that a plurality of length direction along bottom web steel reinforcement cage lay transverse orientation pole, a plurality of and transverse orientation pole interweave the longitudinal orientation pole of laying, transverse orientation pole be with the bottom web transverse orientation pole of bottom web steel reinforcement cage bend the trend assorted combination pole. The utility model discloses can realize the purpose of the whole ligature of case roof beam steel reinforcement cage to can guarantee the accuracy of end web reinforcing bar and roof reinforcing bar location, improve the wholeness of case roof beam steel reinforcement cage, need not occupy prefabricated pedestal and case roof beam template.
Through analysis, the banding positioning bed-jig in the above-mentioned patent that discloses all has great difference with this application in structure and function, consequently does not influence the novelty of this application.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide a become reinforcement bed-jig of cross-section concrete box girder, can carry out accurate location to roof, bottom plate, web and the prestressing force pipeline of case roof beam reinforcing bar, be particularly obviously superior to prior art on reinforcing bar bottom's adjustable bearing structure and calibration structure, and simple structure, the location is adjusted conveniently.
The utility model aims at realizing through the following technical scheme:
a steel bar binding jig frame of a variable cross-section concrete box girder comprises a supporting frame with an opening on the top surface, wherein end face supports are symmetrically and fixedly connected to two opposite side walls in the supporting frame, which are opposite to the extending direction of the box girder, and a plurality of inclination angle positioning rods are adjusted and hung on the supporting frame in the covering range of the end face supports along the extending direction of the box girder; the end face support comprises a top plate beam, a web plate beam and a pipeline support beam, wherein the pipeline support beam is horizontally and fixedly arranged in the middle of the support frame, and the top plate beam and the web plate beam are symmetrically and fixedly connected to the two ends of the pipeline support beam in a midspan manner; the middle part of the web beam is connected with a first bracket by bolts, and the web beam is fixedly connected with a steel bar positioning beam along the extension direction of the box girder; the first bracket is provided with a supporting reference positioning rod which is adjusted along the extending direction of the box girder.
Moreover, a plurality of vertically arranged end face vertical rods are symmetrically and fixedly connected to two opposite side walls in the supporting frame, which are opposite to the extending direction of the box girder, the upper parts of the end face vertical rods are fixedly connected with the pipeline supporting beam, and the lower parts of the end face vertical rods are fixedly connected with a plurality of second brackets; the second bracket movably supports the inclination angle positioning rod along the extending direction of the box girder.
And the pipeline supporting beam is provided with a through prestressed pipeline positioning hole along the extension direction of the beam box.
And a plurality of uniformly distributed steel bar slots are formed in the side wall of the steel bar positioning beam.
The utility model has the advantages and the technical effect be:
the utility model discloses a steel bar binding bed-jig of variable cross section concrete box girder, provide the main part through the braced frame inner wall and support, the open-top of braced frame is used for hanging the reinforcement cage that is bound out of the bed-jig, the terminal surface support on the braced frame inner wall is used for in the prestressing force pipeline in roof, bottom plate, web and the box girder of both ends location binding reinforcing bar; the end face upright posts on two sides of the supporting frame are used for fixedly connecting a plurality of second brackets with different heights, the second brackets with proper heights are selected according to the required inclination angle of the bottom plate, and two ends of the inclination angle positioning rod are placed on the second brackets for realizing the inclination angle adjustment support of the bottom plate; and finally, the web beam is connected with the first brackets through bolts, the two first brackets on the two sides of the supporting frame are used for adjusting and supporting the reference positioning rod, and the inclination of the inclination positioning rod on the second bracket is further checked through the supporting inclination of the reference positioning rod.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a side sectional view of the present invention;
fig. 3 is a top view of the reinforcing steel bar positioning beam of the present invention;
in the figure: 1-a support frame; 2-a roof beam; 3-web beam; 4-pipeline support beams; 5-a second bracket; 6-a reference positioning rod; 7-a first carrier; 8-dip angle positioning rod; 9-a steel bar positioning beam; 10-a steel bar slot; 11-prestressed pipe locating holes; 12-end face vertical rod.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.
A steel bar binding jig frame of a variable cross-section concrete box girder comprises a supporting frame 1 with an opening on the top surface, two opposite side walls in the supporting frame, which are opposite to the extending direction of the box girder, are symmetrically and fixedly connected with end surface supports, wherein a plurality of inclination angle positioning rods 8 are adjusted and hung on the supporting frame in the covering range of the end surface supports along the extending direction of the box girder; the end face support comprises a top plate beam 2, a web plate beam 3 and a pipeline support beam 4, wherein the pipeline support beam is horizontally and fixedly arranged in the middle of the support frame, and the top plate beam and the web plate beam are symmetrically and fixedly connected to the two ends of the pipeline support beam in a midspan manner; the middle part of the web beam is connected with a first bracket 7 by bolts, and the web beam is fixedly connected with a steel bar positioning beam 9 along the extension direction of the box girder; the first bracket is provided with a supporting reference positioning rod 6 which is adjusted along the extending direction of the box girder.
Moreover, a plurality of vertically arranged end face vertical rods 12 are symmetrically and fixedly connected to two opposite side walls in the supporting frame, which are opposite to the extending direction of the box girder, the upper parts of the end face vertical rods are fixedly connected with the pipeline supporting beam, and the lower parts of the end face vertical rods are fixedly connected with a plurality of second brackets 5; the second bracket movably supports the inclination angle positioning rod along the extending direction of the box girder.
Furthermore, the pipeline supporting beam is provided with a through prestressed pipe positioning hole 11 along the extension direction of the beam box.
And, set up the reinforcing bar slot 10 that a plurality of equipartitions set up on the lateral wall of reinforcing bar locating beam.
Additionally, the utility model discloses it is preferred, first bracket adopts the ripe technical means among the prior art with the bolted connection mode of being connected height-adjustable of web beam.
To illustrate the specific use of the present invention more clearly, an example is provided below:
the utility model discloses a steel bar binding jig frame of a variable cross-section concrete box girder, before binding steel bars, the supporting heights of two first brackets are positioned according to the required inclination angle of a steel bar bottom plate, and then a reference positioning rod is placed on the first brackets; then selecting two second brackets with the closest height and inclination angles according to the inclination of the reference positioning rod, and placing the inclination angle positioning rod on the second brackets; then, steel bar binding construction is started, a bottom plate positioning frame of the steel bar is arranged in an inclined plane formed by a plurality of inclination angle positioning rods and a reference positioning rod, and a web plate of the steel bar is spliced and positioned by a steel bar positioning beam and a steel bar slot; the top plate of the steel bar is positioned and supported by the top plate beam, and finally the end part of the prestressed pipeline penetrates through the pipeline positioning hole of the pipeline supporting beam to realize the end part hanging connection of the prestressed pipeline.
Finally, the utility model discloses preferably, the not part of the utility model discloses a mature product and ripe technical means among the prior art all adopt to the greatest extent.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (4)
1. The utility model provides a become reinforcement bed-jig of cross-section concrete box girder which characterized in that: the box girder extension device comprises a support frame with an opening on the top surface, wherein end face supports are symmetrically and fixedly connected to two opposite side walls in the support frame, which are opposite to the extension direction of a box girder, and a plurality of inclination angle positioning rods are adjusted and hung on the support frame in the coverage range of the end face supports along the extension direction of the box girder; the end face support comprises a top plate beam, a web plate beam and a pipeline support beam, wherein the pipeline support beam is horizontally and fixedly arranged in the middle of the support frame, and the top plate beam and the web plate beam are symmetrically and fixedly connected to the two ends of the pipeline support beam in a midspan manner; the middle part of the web beam is connected with a first bracket through bolts, and the web beam is fixedly connected with a steel bar positioning beam along the extension direction of the box girder; and the first bracket adjusts and supports the reference positioning rod along the extending direction of the box girder.
2. A steel bar binding jig frame of a variable cross-section concrete box girder according to claim 1, characterized in that: a plurality of vertically arranged end face vertical rods are symmetrically and fixedly connected to two opposite side walls in the supporting frame, which are opposite to the extending direction of the box girder, the upper parts of the end face vertical rods are fixedly connected with the pipeline supporting beam, and the lower parts of the end face vertical rods are fixedly connected with a plurality of second brackets; and the second bracket movably supports the inclination angle positioning rod along the extension direction of the box girder.
3. A steel bar binding jig frame of a variable cross-section concrete box girder according to claim 1, characterized in that: and the pipeline supporting beam is provided with a through prestressed pipeline positioning hole along the extension direction of the beam box.
4. A steel bar binding jig frame of a variable cross-section concrete box girder according to claim 1, characterized in that: and a plurality of uniformly distributed steel bar slots are formed in the side wall of the steel bar positioning beam.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120197680.6U CN215202669U (en) | 2021-01-25 | 2021-01-25 | Steel bar binding jig frame of variable-section concrete box girder |
| AU2021105952A AU2021105952A4 (en) | 2021-01-25 | 2021-08-19 | Reinforcing steel bar binding jig for variable cross-section concrete box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120197680.6U CN215202669U (en) | 2021-01-25 | 2021-01-25 | Steel bar binding jig frame of variable-section concrete box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215202669U true CN215202669U (en) | 2021-12-17 |
Family
ID=78179589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120197680.6U Active CN215202669U (en) | 2021-01-25 | 2021-01-25 | Steel bar binding jig frame of variable-section concrete box girder |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN215202669U (en) |
| AU (1) | AU2021105952A4 (en) |
-
2021
- 2021-01-25 CN CN202120197680.6U patent/CN215202669U/en active Active
- 2021-08-19 AU AU2021105952A patent/AU2021105952A4/en not_active Ceased
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| Publication number | Publication date |
|---|---|
| AU2021105952A4 (en) | 2021-10-28 |
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