CN113524427A - Manufacturing method of adjustable box girder bottom web framework rapid positioning device - Google Patents
Manufacturing method of adjustable box girder bottom web framework rapid positioning device Download PDFInfo
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- CN113524427A CN113524427A CN202110717725.2A CN202110717725A CN113524427A CN 113524427 A CN113524427 A CN 113524427A CN 202110717725 A CN202110717725 A CN 202110717725A CN 113524427 A CN113524427 A CN 113524427A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000010276 construction Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 11
- 238000009826 distribution Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 abstract description 8
- 230000002787 reinforcement Effects 0.000 abstract description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
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- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
A manufacturing method of an adjustable box girder bottom web framework quick positioning device is characterized by comprising the following steps: a. the positioning device adopts a plurality of supporting legs, horizontal roof beam of top horizontal installation at the landing leg, b, install horizontal and vertical spout in bottom, c, after vertical and horizontal spout and bottom locating piece installation are accomplished, install triangle-shaped positioner landing leg on horizontal roof beam in bottom, d, adopt angle 50 x 50mm angle steel longitudinal fixation landing leg on the landing leg after the landing leg installation is accomplished, e, install case roof beam distribution reinforcing bar location sleeve on the triangle-shaped landing leg, the sleeve lug weld is on the triangle-shaped landing leg, adopt the round steel to alternate in the pipe, the round steel adopts different length according to case roof beam web slope. The manufacturing method of the adjustable box girder bottom web framework quick positioning device has the advantages of high construction efficiency, real-time adjustment according to actual conditions on site, accurate positioning, suitability for construction of box girder frameworks of various types, great material saving and steel reinforcement framework installation site saving.
Description
Technical Field
The invention relates to a positioning device, in particular to a manufacturing method of an adjustable box girder bottom web framework quick positioning device.
Background
Prefabricated box girder is a ripe construction process in bridge construction, and the large tracts of land is used in highway bridge construction, probably has the prefabricated box girder that the top bottom plate width, length, height, web slope are different in the middle of actual construction, and the more common box girder skeleton positioner is the not adjustable framework of steel reinforcement installation device of a design according to design drawing reinforcing bar interval processing usually at present, will process many sets when meetting multiple model box girder usually, and box girder reinforcing bar process velocity is slow, inefficiency.
Known non-adjustable rebar grid installations therefore suffer from the inconveniences and problems described above.
Disclosure of Invention
The invention aims to provide a safe and reliable manufacturing method of a quick positioning device for an adjustable box girder bottom web framework.
In order to achieve the purpose, the technical solution of the invention is as follows:
a manufacturing method of an adjustable box girder bottom web framework quick positioning device is characterized by comprising the following steps:
a. the positioning device adopts a plurality of supporting legs with the diameter of 28mm, the height of the supporting legs is 300mm, and the distance between every two adjacent supporting legs is 1000 mm; horizontally mounting a transverse beam at the top end of the supporting leg, wherein the length of the transverse beam is 1800mm, the transverse beam is made of angle steel with the angle of 50 x 50mm, and the supporting leg and the transverse beam are fixed by welding;
b. after the supporting legs and the transverse beam are installed, installing bottom transverse and longitudinal sliding grooves, welding the bottom longitudinal and transverse sliding grooves and the transverse beam, wherein the transverse sliding grooves are made of 50 x 50mm square steel, grooves with the diameter of 20 x 20mm are formed in the square steel, the grooves are smooth to facilitate sliding of the longitudinal sliding grooves, the longitudinal sliding grooves can be fixed and do not move after positioning, the longitudinal sliding grooves are made of the same material as the transverse sliding grooves, the ends of the longitudinal sliding grooves are made of ends with the diameter of 20mm and are embedded into the transverse sliding grooves, arc-shaped grooves are formed in the longitudinal sliding grooves, a positioning block is made into an upper 50 x 50mm square shape, and the lower portion of the positioning block is a convex block matched with the shape of the longitudinal grooves;
c. after the longitudinal and transverse chutes and the bottom positioning block are installed, mounting supporting legs of a triangular positioning device on a bottom transverse beam, wherein the height of the triangular supporting legs is 2000mm, the supporting legs are welded on the bottom transverse beam, the height of the supporting legs meets the height of most of box girder web plate steel bars, and the supporting leg material adopts angle steel with the angle of 50 x 50 mm;
d. after the installation of the supporting legs is finished, angle steel with the size of 50 x 50mm is adopted to longitudinally fix the supporting legs, the longitudinal beams are welded with the supporting legs, meanwhile, top transverse sliding chutes and longitudinal sliding chutes are installed on the top longitudinal beams, the length of the top transverse sliding chutes is 300mm, the shapes of the used materials and the used grooves are the same as those of the bottom transverse sliding chutes, the materials of the top longitudinal sliding chutes are the same as those of the bottom transverse sliding chutes, and the materials and the shapes of the top positioning blocks are the same as those of the bottom positioning blocks;
e. install case roof beam distribution steel bar positioning sleeve on triangle-shaped landing leg, sleeve lug weld is on the triangle-shaped landing leg, and positioning sleeve is hollow pipe, and the external diameter is 50mm, and length is 300mm, adopts the round steel to alternate in the pipe, and the round steel adopts different length according to case roof beam web slope.
The manufacturing method of the adjustable box girder bottom web framework quick positioning device can be further realized by adopting the following technical measures.
The method of the preceding, wherein the transverse beam spacing is consistent with the leg spacing.
In the method, the upper and lower positioning blocks of the positioning device are fixed after being adjusted according to the space between the box girder and the steel bars, and the positions of the positioning blocks are periodically checked in the construction process, so that the size deviation of the framework after the positioning blocks are moved is prevented.
In the method, the positioning device framework is integrally of a flexible structure and is easy to deform, and the self-made shoulder pole beam is required to move when the positioning device framework is integrally moved after being processed.
After the technical scheme is adopted, the manufacturing method of the adjustable box girder bottom web framework quick positioning device has the following advantages:
1. the construction efficiency is high, and the real-time adjustment can be carried out according to the actual conditions on site.
2. The positioning is accurate, and the method is suitable for the construction of box girder frameworks of various models.
3. Greatly saving materials and saving the installation site of the steel reinforcement framework.
Drawings
FIG. 1 is a schematic plan view of a positioning device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an elevational structure of a positioning device according to an embodiment of the invention;
FIG. 3 is a schematic view of a positioning block according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a chute according to an embodiment of the invention;
FIG. 5 is a schematic view of a positioning block and a chute assembly according to an embodiment of the present invention;
fig. 6 is a schematic perspective view of a positioning device according to an embodiment of the present invention.
In the figure: 1 bottom landing leg, 2 bottom horizontal spouts, 3 bottom vertical spouts, 4 bottom plate reinforcing bar locating pieces, 5 bottom horizontal roof beams, 6 first vertical triangle landing legs, 7 vertical triangle landing legs of second, 8 top vertical roof beams, 9 top horizontal spouts, 10 top vertical spouts, 11 top web reinforcing bar locating pieces, 12 web distribution muscle locating sleeve.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
Example 1
Referring to fig. 6, fig. 6 is a schematic perspective view of a positioning device according to an embodiment of the present invention. As shown in the figure, the positioning device mainly comprises a bottom support leg 1, a bottom transverse sliding groove 2, a bottom longitudinal sliding groove 3, a bottom plate steel bar positioning block 4, a bottom transverse beam 5, a first vertical triangular support leg 6, a second vertical triangular support leg 7, a top longitudinal beam 8, a top transverse sliding groove 9, a top longitudinal sliding groove 10, a top web steel bar positioning block 11, a web distribution steel bar positioning sleeve 12 and the like.
The invention discloses a manufacturing method of an adjustable box girder bottom web framework quick positioning device, which comprises the following steps:
a. the positioning device adopts supporting legs with the diameter of 28mm, the height of the supporting legs is 300mm, and the distance is 1000 mm. Mounting a transverse beam on the supporting leg, wherein the length of the transverse beam is 1800mm, and the transverse beam is made of angle steel with the angle of 50 x 50 mm; fig. 1 is a schematic plan view of a positioning device according to an embodiment of the present invention.
b. After the supporting legs and the transverse beam are installed, the transverse sliding groove and the longitudinal sliding groove at the bottom are installed, the transverse sliding groove is made of 50 multiplied by 50mm square steel, a groove with the size of 20 multiplied by 20mm is formed in the square steel, the groove is smooth to facilitate the sliding of the longitudinal sliding groove, the longitudinal sliding groove can be fixed and does not move after the positioning is finished, the longitudinal sliding groove is made of the same material as the transverse sliding groove, an arc-shaped groove is formed in the longitudinal sliding groove, a positioning block is made into a square shape with the size of 50 multiplied by 50mm at the upper part, and a convex block matched with the shape of the longitudinal groove is arranged at the lower part; fig. 2 is a schematic elevation structure diagram of a positioning device according to an embodiment of the present invention.
c. After the longitudinal and transverse chutes and the bottom positioning block are installed, mounting supporting legs of a triangular positioning device on the bottom transverse beam, wherein the height of each triangular supporting leg is 2000mm, the height of each supporting leg meets the height of most box girder web plate steel bars, and the supporting leg material adopts angle steel with the angle of 50 x 50 mm; fig. 3 is a schematic view of a positioning block according to an embodiment of the present invention, fig. 4 is a schematic view of a cross section of a sliding chute according to an embodiment of the present invention, and fig. 5 is a schematic view of a combination of a positioning block and a sliding chute according to an embodiment of the present invention.
d. After the installation of the supporting legs is finished, angle steel vertical fixing supporting legs of 50 multiplied by 50mm are adopted on the supporting legs, meanwhile, top transverse sliding chutes and top longitudinal sliding chutes are installed on the top longitudinal beams, the length of the top transverse sliding chutes is 300mm, the shapes of multipurpose materials and grooves are the same as those of bottom transverse sliding chutes, the shapes of the top longitudinal sliding chutes are the same as those of the bottom transverse sliding chutes, and the shapes of top positioning blocks are the same as those of bottom positioning blocks.
e. Install case roof beam subsection reinforcing bar position sleeve on triangle-shaped landing leg, position sleeve is hollow pipe, and the external diameter is 50mm, and length is 300mm, adopts the round steel to alternate in the pipe, and the round steel adopts different length according to case roof beam web slope.
The adjustable box girder bottom web framework rapid positioning device has substantive characteristics and obvious technical progress, positioning blocks with adjustable intervals are arranged on the bottom surface and the side surface, positioning blocks with adjustable intervals of bottom plate reinforcing steel bars are arranged at the bottom, and the side surfaces are adjusted by the positioning blocks arranged on the side surfaces when the web reinforcing steel bars are arranged on the side surfaces. When the box girder that same engineering has the multiple model difference, can carry out quick adjustment to bottom plate reinforcing bar length, interval, web reinforcing bar slope according to the design conditions, effectively practiced thrift the job site place for box girder bottom web skeleton installation rate has practiced thrift the positioner material simultaneously. The manufacturing method of the adjustable box girder bottom web framework quick positioning device effectively solves the problem that a plurality of sets of traditional positioning frameworks are required to be manufactured in the process of machining the box girder bottom web reinforcements of various models of design drawings, solves the problems of low machining precision of the box girder framework and inaccurate control of the thickness of the protective layer, greatly reduces the labor intensity of workers, effectively improves the construction efficiency and saves the mechanical cost.
The manufacturing method of the adjustable box girder bottom web framework quick positioning device is applied to a reconstruction project in a G234 city section of leaf county, the reconstruction project is designed to be an I-level road, the length of the whole line is 25Km, 4 bridges, 10 bridges and 55 culverts are arranged on the whole line, steel bars are mechanically connected, the construction speed of the box girder on site is greatly accelerated, the processing precision of the box girder framework is improved, and the construction unit, the supervision unit and the quality supervision station are fully determined.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention. Accordingly, all equivalents are intended to fall within the scope of the invention, which is defined in the claims.
Claims (4)
1. A manufacturing method of an adjustable box girder bottom web framework quick positioning device is characterized by comprising the following steps:
a. the positioning device adopts a plurality of supporting legs with the diameter of 28mm, the height of the supporting legs is 300mm, and the distance between every two adjacent supporting legs is 1000 mm; horizontally mounting a transverse beam at the top end of the supporting leg, wherein the length of the transverse beam is 1800mm, the transverse beam is made of angle steel with the angle of 50 x 50mm, and the supporting leg and the transverse beam are fixed by welding;
b. after the supporting legs and the transverse beam are installed, installing bottom transverse and longitudinal sliding grooves, welding the bottom longitudinal and transverse sliding grooves and the transverse beam, wherein the transverse sliding grooves are made of 50 x 50mm square steel, grooves with the diameter of 20 x 20mm are formed in the square steel, the grooves are smooth to facilitate sliding of the longitudinal sliding grooves, the longitudinal sliding grooves can be fixed and do not move after positioning, the longitudinal sliding grooves are made of the same material as the transverse sliding grooves, the ends of the longitudinal sliding grooves are made of ends with the diameter of 20mm and are embedded into the transverse sliding grooves, arc-shaped grooves are formed in the longitudinal sliding grooves, a positioning block is made into an upper 50 x 50mm square shape, and the lower portion of the positioning block is a convex block matched with the shape of the longitudinal grooves;
c. after the longitudinal and transverse chutes and the bottom positioning block are installed, mounting supporting legs of a triangular positioning device on a bottom transverse beam, wherein the height of the triangular supporting legs is 2000mm, the supporting legs are welded on the bottom transverse beam, the height of the supporting legs meets the height of most of box girder web plate steel bars, and the supporting leg material adopts angle steel with the angle of 50 x 50 mm;
d. after the installation of the supporting legs is finished, angle steel with the size of 50 x 50mm is adopted to longitudinally fix the supporting legs, the longitudinal beams are welded with the supporting legs, meanwhile, top transverse sliding chutes and longitudinal sliding chutes are installed on the top longitudinal beams, the length of the top transverse sliding chutes is 300mm, the shapes of the used materials and the used grooves are the same as those of the bottom transverse sliding chutes, the materials of the top longitudinal sliding chutes are the same as those of the bottom transverse sliding chutes, and the materials and the shapes of the top positioning blocks are the same as those of the bottom positioning blocks;
e. install case roof beam distribution steel bar positioning sleeve on triangle-shaped landing leg, sleeve lug weld is on the triangle-shaped landing leg, and positioning sleeve is hollow pipe, and the external diameter is 50mm, and length is 300mm, adopts the round steel to alternate in the pipe, and the round steel adopts different length according to case roof beam web slope.
2. The method for manufacturing an adjustable quick positioning device for a bottom web frame of a box girder according to claim 1, wherein the distance between the transverse beams is consistent with the distance between the legs.
3. The method for manufacturing an adjustable quick positioning device for a box girder bottom web framework according to claim 1, wherein the upper and lower positioning blocks of the positioning device are fixed after the position of the positioning device is adjusted according to the distance between the steel bars of the box girder, and the position of the positioning blocks is periodically checked during the construction process to prevent the dimension of the framework from deviating after the positioning blocks are moved.
4. The method for manufacturing an adjustable quick positioning device for a box girder bottom web framework as claimed in claim 1, wherein the positioning device framework is a flexible structure in integrity and is easy to deform, and the self-made carrying pole beam is required to move when the whole positioning device framework is moved after the processing is finished.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110717725.2A CN113524427A (en) | 2021-06-28 | 2021-06-28 | Manufacturing method of adjustable box girder bottom web framework rapid positioning device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110717725.2A CN113524427A (en) | 2021-06-28 | 2021-06-28 | Manufacturing method of adjustable box girder bottom web framework rapid positioning device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002275834A (en) * | 2001-03-16 | 2002-09-25 | Sumitomo Constr Co Ltd | Steel web joining assisting tool and steel web joining method |
| CN104175398A (en) * | 2014-08-28 | 2014-12-03 | 中国建筑土木建设有限公司路桥分公司 | Manufacturing mould and method of reinforcement cage of precast box beam |
| CN207044388U (en) * | 2017-07-12 | 2018-02-27 | 上海建工集团股份有限公司 | Bar reinforcement positioning device |
| CN212288134U (en) * | 2020-05-05 | 2021-01-05 | 中铁十一局集团第一工程有限公司 | Prefabricated case roof beam bottom web steel bar ligature bed-jig |
| CN213015013U (en) * | 2020-08-21 | 2021-04-20 | 中冶建工集团有限公司 | Steel bar distribution positioning device |
-
2021
- 2021-06-28 CN CN202110717725.2A patent/CN113524427A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002275834A (en) * | 2001-03-16 | 2002-09-25 | Sumitomo Constr Co Ltd | Steel web joining assisting tool and steel web joining method |
| CN104175398A (en) * | 2014-08-28 | 2014-12-03 | 中国建筑土木建设有限公司路桥分公司 | Manufacturing mould and method of reinforcement cage of precast box beam |
| CN207044388U (en) * | 2017-07-12 | 2018-02-27 | 上海建工集团股份有限公司 | Bar reinforcement positioning device |
| CN212288134U (en) * | 2020-05-05 | 2021-01-05 | 中铁十一局集团第一工程有限公司 | Prefabricated case roof beam bottom web steel bar ligature bed-jig |
| CN213015013U (en) * | 2020-08-21 | 2021-04-20 | 中冶建工集团有限公司 | Steel bar distribution positioning device |
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Application publication date: 20211022 |
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