CN210361896U - Pre-stress advanced positioning device for prefabricated box girder - Google Patents
Pre-stress advanced positioning device for prefabricated box girder Download PDFInfo
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- CN210361896U CN210361896U CN201920544294.2U CN201920544294U CN210361896U CN 210361896 U CN210361896 U CN 210361896U CN 201920544294 U CN201920544294 U CN 201920544294U CN 210361896 U CN210361896 U CN 210361896U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 69
- 239000010959 steel Substances 0.000 claims abstract description 69
- 210000003205 muscle Anatomy 0.000 claims abstract description 20
- 238000003466 welding Methods 0.000 claims abstract description 15
- 230000002787 reinforcement Effects 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 6
- 238000000151 deposition Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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Abstract
The utility model discloses a prefabricated case roof beam prestressing force advance positioner, including bellows positioning rib welding bed-jig, the categorised support and the bottom web muscle ligature bed-jig of depositing of web stirrup, install the reinforcing bar locating pin on the base steel sheet according to the coordinate of bellows positioning rib, the bellows positioning rib welding that will process the completion is behind the web stirrup, according to serial number classification leave in on the shaped steel support, bottom web muscle is at the installation location of going on the bottom web muscle ligature bed-jig, can correspond the bellows coordinate and inspect in the installation, ensures bellows positioning rib mounted position. The utility model discloses when using, bellows location muscle welding is accomplished the back and is deposited the support at the stirrup according to corresponding serial number and classify and deposit, and the web stirrup is when tying up the bed frame and installing, and the operation personnel will weld the web stirrup that has the location muscle in advance according to corresponding serial number and install in proper order, and whole process reinforcing bar processing, location and installation form digital, modularization, batch line production, and installation effectiveness and precision are showing and are improving.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction, concretely relates to prefabricated case roof beam prestressing force advance positioner.
Background
In recent years, with the continuous development of bridge engineering industry, bridge construction processes are gradually mature and diversified, and for the pre-stress construction of a precast box girder, positioning ribs are welded on a formed steel reinforcement framework to perform corrugated pipe positioning. In order to solve the problem, the utility model relates to a prestressing force advance positioner improves the installation effectiveness and the precision of prestressing force pore canal location muscle, satisfies precast beam field batch processing production.
Disclosure of Invention
In order to overcome the technical defects that the method that the welding positioning rib carries out bellows location on the fashioned steel reinforcement framework among the prior art installation rate is slow, the machining precision is low, the utility model provides a prefabricated box girder prestressing force advance positioning device.
The utility model discloses a following technical scheme realizes above-mentioned purpose, a prefabricated case roof beam prestressing force advance positioner, deposit support and bottom web reinforcement bed-jig including bellows positioning bar welding bed-jig, web stirrup classification, bellows positioning bar welding bed-jig comprises stirrup location channel-section steel, stirrup location marking line, bellows location muscle and steel sheet bed-jig base, steel sheet bed-jig base adopts long 3000mm, wide 2000mm, and thickness is 10 mm's steel sheet preparation, sets up on stirrup location channel-section steel, carves stirrup location marking line on steel sheet bed-jig base according to the coordinate of bellows positioning muscle.
The web stirrup classified storage support is composed of a support framework, a support, a pair of cross braces and color steel tiles, wherein the support framework is arranged on the support and reinforced by the pair of cross braces, and the color steel tiles are laid on the left side and the upper portion of the support framework.
Bottom web reinforcement bed-jig comprises bed-jig support, bottom plate longitudinal orientation steel sheet, bottom plate stirrup location angle steel, the longitudinal main muscle locating pin of web, lateral web support, web stirrup location angle steel, bed-jig support frame and chassis, bottom plate longitudinal orientation steel sheet has been laid to bed-jig support upper end, the longitudinal main muscle locating pin of web that the bottom plate stirrup location angle steel utilized the left and right sides is fixed a position, bottom plate longitudinal orientation steel sheet upper portion is provided with the lateral web support and is used for carrying out the categorised storage of web stirrup, the left and right sides welding of bottom plate longitudinal orientation steel sheet has web stirrup location angle steel and bed-jig support frame to utilize the chassis to consolidate the processing.
Foretell prefabricated case roof beam prestressing force advance positioner, the categorised support of depositing of web stirrup adopts shaped steel processing to form, and web stirrup processing is accomplished and can be deposited according to the serial number at depositing the support.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can reach following beneficial effect:
1. the utility model discloses a precast box girder prestressing force advance positioner, bellows location muscle welds on the web stirrup according to serial number and coordinate on the location bed-jig, and regularization batch processing, installation effectiveness and precision improve greatly;
2. the web stirrup classified storage support is characterized in that corrugated pipe positioning ribs are welded on web stirrups, the corrugated pipe positioning ribs are classified and stored on the section steel support according to numbers, and the corrugated pipe positioning ribs are stacked neatly and are convenient to accurately take in the installation process;
3. the bottom web steel bar binding jig frame is characterized in that the bottom web steel bars are installed and positioned on the steel bar binding jig frame, the corrugated pipe positioning bars are installed according to numbers, the corrugated pipe coordinates can be corresponding to in the installation process for checking, and the corrugated pipe positioning bar installation position is accurate.
Drawings
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of a positioning rib welding jig for corrugated pipes according to the present invention;
FIG. 2 is a schematic structural view of the web stirrup storage rack according to the present invention;
FIG. 3 is a schematic structural view of the bottom web reinforcement jig of the present invention;
in the figure: the method comprises the following steps of 1-stirrup positioning channel steel, 2-stirrup positioning mark lines, 3-corrugated pipe positioning ribs, 4-steel plate jig base, 5-support framework, 6-support, 7-shear support, 8-color steel tile, 9-jig support, 10-bottom plate longitudinal positioning steel plate, 11-bottom plate stirrup positioning angle steel, 12-web plate longitudinal main rib positioning pins, 13-side web plate support, 14-web plate stirrup positioning angle steel, 15-jig support frame and 16-underframe.
Detailed Description
The utility model relates to a prefabricated case roof beam prestressing force advance positioner, deposit support and bottom web reinforcing bar ligature bed-jig including bellows positioning rib welding bed-jig, web stirrup classification.
As shown in fig. 1, do the structural schematic diagram of bellows positioning rib welding bed-jig, bellows positioning rib welding bed-jig comprises stirrup location channel-section steel 1, stirrup location marker line 2, bellows location muscle 3 and steel sheet bed-jig base 4, steel sheet bed-jig base 4 adopts long 3000mm, wide 2000mm, and thickness is 10 mm's steel sheet preparation, sets up on stirrup location channel-section steel 1, carves stirrup location marker line 2 on steel sheet bed-jig base according to bellows positioning muscle 3's coordinate.
As shown in fig. 2, do the categorised structure sketch map of depositing the support of web stirrup, the categorised support of depositing of web stirrup comprises support skeleton 5, support 6, bridging 7 and various steel tile 8, support skeleton 5 sets up on support 6 to adopt bridging 7 to consolidate the processing, various steel tile 8 has been laid on the left side and the upper portion of support skeleton 5.
As shown in fig. 3, do the structural schematic diagram of end web muscle ligature bed-jig, end web muscle ligature bed-jig comprises bed-jig support 9, bottom plate longitudinal positioning steel sheet 10, bottom plate stirrup location angle steel 11, the vertical main muscle locating pin of web 12, side web support 13, web stirrup location angle steel 14, bed-jig support frame 15 and chassis 16, bottom plate longitudinal positioning steel sheet 10 has been laid to bed-jig support 9 upper end, the vertical main muscle locating pin of web 12 that bottom plate stirrup location angle steel 11 utilized the left and right sides is fixed a position, bottom plate longitudinal positioning steel sheet 10 upper portion is provided with side web support 13 and is used for carrying out the categorised storage of web stirrup, the left and right sides welding of bottom plate longitudinal positioning steel sheet 10 has web stirrup location angle steel 14 and bed-jig support frame 15 to utilize chassis 16 to consolidate the processing.
The utility model discloses using, mainly accomplishing the advance location to prefabricated case roof beam prestressing force through following use step to the realization is to the digitization, modularization, the manufacturing installation of batch of bellows location muscle 3, improves installation effectiveness and precision:
the method comprises the following steps: installing steel bar positioning pins on the steel plate jig frame base 4 according to the coordinates of the corrugated pipe positioning ribs 3, and numbering in sequence;
step two: after the machined corrugated pipe positioning ribs 3 are welded on web stirrups, the corrugated pipe positioning ribs are classified and stored on the section steel support according to numbers and stacked orderly;
step three: the bottom web steel bars are arranged and positioned on the bottom web steel bar binding jig frame, the corrugated pipe positioning bars 3 are arranged according to the numbers, the corrugated pipe coordinates can be corresponding to the corrugated pipe coordinates in the installation process, and the accuracy of the installation position of the corrugated pipe positioning bars is ensured.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (2)
1. The utility model provides a prefabricated case roof beam prestressing force advance positioner, includes that bellows location muscle welding bed-jig, web stirrup are categorised deposits support and bottom web muscle ligature bed-jig, its characterized in that:
the corrugated pipe positioning rib welding jig frame is composed of a stirrup positioning channel steel (1), a stirrup positioning mark line (2), a corrugated pipe positioning rib (3) and a steel plate jig frame base (4), wherein the steel plate jig frame base (4) is made of a steel plate with the length of 3000mm, the width of 2000mm and the thickness of 10mm, is arranged on the stirrup positioning channel steel (1), and the stirrup positioning mark line (2) is carved on the steel plate jig frame base (4) according to the coordinate of the corrugated pipe positioning rib (3);
the web stirrup classified storage support is composed of a support framework (5), a support (6), a pair of cross braces (7) and color steel tiles (8), wherein the support framework (5) is arranged on the support (6) and is reinforced by the pair of cross braces (7), and the color steel tiles (8) are laid on the left side and the upper part of the support framework (5);
end web reinforcement bed-jig comprises bed-jig support (9), bottom plate longitudinal orientation steel sheet (10), bottom plate stirrup location angle steel (11), the vertical main reinforcement locating pin of web (12), side web support (13), web stirrup location angle steel (14), bed-jig support frame (15) and chassis (16), bottom plate longitudinal orientation steel sheet (10) have been laid to bed-jig support (9) upper end, bottom plate stirrup location angle steel (11) utilize the vertical main reinforcement locating pin of web (12) of the left and right sides to fix a position, bottom plate longitudinal orientation steel sheet (10) upper portion is provided with side web support (13) and is used for carrying out the categorised storage of web stirrup, the left and right sides welding of bottom plate longitudinal orientation steel sheet (10) has web stirrup location angle steel (14) and bed-jig support frame (15) to utilize chassis (16) to consolidate the processing.
2. The pre-stressed advanced positioning device for the precast box girder of claim 1, wherein: the classified storage support for the web stirrups is formed by processing section steel, and the web stirrups can be stored according to numbers after being processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920544294.2U CN210361896U (en) | 2019-04-22 | 2019-04-22 | Pre-stress advanced positioning device for prefabricated box girder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920544294.2U CN210361896U (en) | 2019-04-22 | 2019-04-22 | Pre-stress advanced positioning device for prefabricated box girder |
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| CN210361896U true CN210361896U (en) | 2020-04-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968523A (en) * | 2019-04-22 | 2019-07-05 | 中建三局基础设施建设投资有限公司 | A kind of prefabricated box girder prestress advance positioning device and its implementation method |
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2019
- 2019-04-22 CN CN201920544294.2U patent/CN210361896U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968523A (en) * | 2019-04-22 | 2019-07-05 | 中建三局基础设施建设投资有限公司 | A kind of prefabricated box girder prestress advance positioning device and its implementation method |
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