CN215200439U - Large-span box girder construction equipment child membrane - Google Patents
Large-span box girder construction equipment child membrane Download PDFInfo
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- CN215200439U CN215200439U CN202121654896.7U CN202121654896U CN215200439U CN 215200439 U CN215200439 U CN 215200439U CN 202121654896 U CN202121654896 U CN 202121654896U CN 215200439 U CN215200439 U CN 215200439U
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Abstract
The utility model discloses a large-span box girder construction equipment fetal membrane, including base and location profiling device, the location profiling device is located the base, and the location profiling device is including location profiling bottom plate, first web activity profiling, second web activity profiling and jack, and first web activity profiling and the perpendicular both sides that set up at location profiling bottom plate of second web activity profiling, location profiling bottom plate fixed mounting are on the base, and second web activity profiling is connected with the jack, advances the adjustment to the position of second web activity profiling on location profiling bottom plate through the jack. The utility model discloses a straightness and depth of parallelism between each plate when the device guarantees box girder assembly welding to ensure the plane degree and the straightness accuracy of box girder after the welding, improve actual welding quality, effective control welding deformation, overall structure design is simple reasonable, and the practicality is strong, and the installation is dismantled conveniently, and construction period is short, implements the easy operation, easily promotes.
Description
Technical Field
The utility model belongs to the technical field of the equipment of large-span box girder structure, concretely relates to large-span box girder structure equipment fetal membrane.
Background
The cross section of the existing box beam is the same as that of a common box, so the box beam is called. Generally consisting of a cover plate, a web, a base plate and a spacer. Refers to a beam with a box-shaped cross section. When the span of the bridge is large, the box beam is the best structure form, and the torsional rigidity of the closed thin-wall section of the box beam is large, so that the box beam is particularly favorable for a bent bridge and a bridge constructed by adopting a cantilever. The top and bottom plates have large areas, can effectively resist positive and negative bending moments and meet the reinforcement requirement, and have good dynamic characteristics and small shrinkage deformation values. In order to reduce deformation, the small pieces are assembled and welded into small pieces as much as possible, and are corrected so as to eliminate internal force generated by welding as much as possible, and then the small pieces are assembled into an integral component. However, the long-span large-tonnage steel box girder has long part length which is basically more than 10 meters, and has extremely high requirements on flatness and straightness. The traditional large-scale assembly tire membrane is adopted, only an angle square is used for straightening, the equipment investment is high, the size control is difficult to grasp, the deformation amount cannot be predicted, the correction workload is large after welding, and the rework rate is high.
Disclosure of Invention
The utility model aims to provide a technical scheme of large-span box girder construction equipment fetal membrane to the not enough of prior art existence, straightness and depth of parallelism between each plate when guaranteeing box girder equipment welding through the device to ensure the plane degree and the straightness accuracy of box girder after the welding, improve actual welding quality, effective control welding deformation, overall structure design is simple reasonable, and the practicality is strong, and the installation is dismantled conveniently, and construction period is short, implements the easy operation, easily promotes.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a large-span box girder construction equipment fetal membrane, including base and location profiling device, the location profiling device is located the base, the location profiling device is including location profiling bottom plate, first web activity profiling, second web activity profiling and jack, first web activity profiling and the perpendicular both sides that set up at location profiling bottom plate of second web activity profiling, location profiling bottom plate fixed mounting is on the base, second web activity profiling is connected with the jack, advance the adjustment to the position of second web activity profiling on location profiling bottom plate through the jack.
Further, the base includes stand and crossbeam, stand and crossbeam fixed connection, through stand supporting beam, the stand is fixed in the bottom of crossbeam, and the number of stand is indefinite, can set up the radical according to actual engineering adjustment, supports firm crossbeam through the stand, ensures the whole steadiness and the fastness of base to the height of stand can provide the high space for the below, guarantees the construction operation of below.
Further, the both ends of location profiling bottom plate all are provided with the draw-in groove, the location profiling bottom plate passes through the draw-in groove and matches the joint on the crossbeam, and the location profiling bottom plate passes through bolt and crossbeam fixed connection, structural design is ingenious reasonable, design through the draw-in groove of both ends makes the location profiling bottom plate just in time can the joint on the crossbeam, the further fixed erection joint fastness of ensureing between location profiling bottom plate and the crossbeam of rethread bolt, guarantee that the installation of location profiling device on the base places the steadiness, make overall structure safe and reliable more, the installation is dismantled conveniently simply, the equipment of being convenient for.
Further, be provided with first stiffening plate on the first web activity profiling, the overall structure steadiness of first web activity profiling can be improved in the design of first stiffening plate to stability and connectivity when improving follow-up panel welding improve welding quality.
Further, be provided with the tight bolt in top on the first web activity profiling, the bolt hole has been seted up on the first web activity profiling, the tight bolt in top is installed in the bolt hole, can push up tightly spacing between baffle and the web on the box girder when follow-up welding through the tight bolt in top, be convenient for accurate location between the two to the actual welded fastening of being more convenient for ensures welding quality, and the aperture of bolt hole will be greater than the length of the stiffening rib on the box girder, avoids the aperture undersize, influences actual equipment welding operation.
Furthermore, be provided with spacing frame on the second web activity profiling, the tip matching of jack is installed in spacing frame, realizes the accurate installation location between jack and the second web activity profiling through the design of spacing frame, ensures follow-up jack and pushes away the removal operation to the top of second web activity profiling, and structural design is ingenious reasonable.
Further, spacing frame includes spacing bottom plate, spacing curb plate and spacing roof, spacing roof is located spacing bottom plate's top, the both ends of spacing roof are connected with the both ends one-to-one of spacing roof respectively, it is provided with spacing curb plate to connect between the corresponding tip of spacing roof and spacing bottom plate, spacing bottom plate passes through spacing curb plate and realizes and spacing roof between be connected fixedly, thereby assemble into a spacing frame of taking the cell body, make the tip of jack can match and install in the cell body of spacing frame, thereby be more convenient for the top of jack to second web activity profiling to push away the operation, guarantee the stationarity of top push in-process, the operation safety performance is improved.
Further, the jack passes through counter-force support and location profiling bottom plate fixed connection, and the counter-force support includes the counter-force support end plate, and jack fixed mounting is on the counter-force support end plate, and counter-force support end plate fixed mounting is on the location profiling bottom plate, through the fixed jack of counter-force support end plate installation, again with counter-force support end plate welded fastening to the location profiling bottom plate on, guarantee overall structure fastness, and reasonable in design, the installation is dismantled conveniently simply.
Further, the counterforce support lateral stiffening plates are arranged on the counterforce support end plates, the structural strength of the whole counterforce support can be improved through the design of the counterforce support lateral stiffening plates, at least one counterforce support lateral stiffening plate is arranged, the installation number of the counterforce support lateral stiffening plates can be selected according to actual requirements, and therefore the structural stability and the reliability of the whole counterforce support are guaranteed.
The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:
the utility model provides a material, size, cross-section model etc. of each spare part all confirm the preparation according to the engineering actual conditions, purchase the current product on the market between the jack, during actual installation: (1) welding and fixing the upright columns and the cross beams to form a base, and uniformly arranging the base on a set position; (2) the positioning profiling bottom plate and the first web plate movable profiling are provided with threaded holes with set sizes, the first stiffening plate and the first web plate movable profiling are welded and fixed to form a combination, and the combination is integrally and vertically welded to a set position of the positioning profiling bottom plate; (3) assembling a limit frame, temporarily fixing a limit bottom plate on the assembling jig frame, respectively welding two limit side plates at two ends of the limit bottom plate, and welding a limit top plate above the two limit side plates to form the limit frame; (4) welding and fixing the end plate of the counter-force support and the lateral stiffening plate of the counter-force support to form the counter-force support; (5) welding and connecting the second web plate movable explorator, the limiting frame, the jack and the counter-force support into a whole, and vertically welding the whole to a set position of the positioning explorator bottom plate, wherein the second web plate movable explorator is not welded and fixed with the positioning explorator bottom plate and is only vertically placed on the positioning explorator bottom plate; (6) the positioning profiling bottom plate is clamped to the cross beam through the clamping groove, and then is further connected and fixed with the cross beam through the bolt to form a whole.
The utility model discloses during the in-service use: (1) firstly, placing a bottom plate of the box girder on a positioning explorator bottom plate, and fixing the bottom plate by using a clamp; (2) welding the partition plate to the designed position of the positioning explorator bottom plate according to the designed layout; (3) the first web plate is abutted against the first web plate movable explorator and the positioning explorator bottom plate, the first web plate and the partition plate are tightly jacked through a jacking bolt on the first web plate movable explorator, and the first web plate and the partition plate are well positioned by electric welding; (4) abutting the second web plate against the second web plate movable explorator and the positioning explorator bottom plate, and then pushing the second web plate movable explorator by a jack so that the second web plate and the partition plate are tightly connected and well positioned by electric welding; (5) abutting the top plate against the partition plate, the first web plate and the second web plate for welding; (6) and loosening the puller bolt on the first web plate movable profiling to finish the primary welding of the large box girder.
The utility model discloses straightness and depth of parallelism between each plate when can guaranteeing the welding, make welding deformation little, accomplish the frock location and press from both sides tightly, one step put the size dress in place, thereby the precision of taking one's place of control box roof beam better, and the plane degree and the straightness accuracy of dress welded box roof beam all accept qualifiedly, improve welding quality, and this large-span box roof beam structure equipment fetal membrane all adopts green steel, can also secondary recycle after scrapping, whole consumptive material is little, be convenient for transport, easy dismounting is simple, and saves cost, the reduction of erection time, implement easy operation, and control requirement is general, and easy popularization. The utility model discloses the formation base is connected with the crossbeam to the center pillar, and location profiling device sets up on the crossbeam, and the buckle type is made to location profiling device to guarantee overall structure fastness and steadiness on the crossbeam through the bolt fastening, the box girder is placed on location profiling device, and one side is fixed through first web activity profiling location and cooperation puller bolt, and the opposite side pushes away second web activity profiling through the jack and fixes, and stability and connectivity when guaranteeing the welding improve welding precision and welding quality.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic view of a position structure between a first web movable explorator and a box girder in the utility model;
fig. 2 is a schematic view of the position structure between the second web movable explorator and the box girder;
FIG. 3 is a schematic view of the installation structure of the middle positioning explorator bottom plate and the cross beam;
fig. 4 is a schematic structural diagram of the position of the box beam on the assembled tire membrane of the large-span box beam structure of the present invention;
FIG. 5 is a schematic structural view of the base of the present invention;
fig. 6 is a schematic structural view of a middle positioning profiling device of the present invention;
fig. 7 is a schematic structural view of the middle position-limiting frame of the present invention;
fig. 8 is a schematic structural view of the middle reaction force support of the present invention.
In the figure: 1-a base; 2-positioning a profiling device; 3-positioning a profiling baseplate; 4-a first web plate movable profile modeling; 5-a second web plate movable profiling; 6-a jack; 7-upright post; 8-a cross beam; 9-a card slot; 10-bolt; 11-a first stiffener; 12-tightening the bolt; 13-a limit frame; 14-a top plate for limiting; 15-limiting side plates; 16-a limit bottom plate; 17-a counter-force support; 18-reaction abutment end plate; 19-a counter-force support lateral stiffening plate; 20-a base plate; 21-a top plate; 22-a first web; 23-a second web; 24-a separator; 25-box beam.
Detailed Description
As shown in fig. 1 to 8, do the utility model relates to a large-span box girder construction equipment fetal membrane, including base 1 and location profiling device 2, location profiling device 2 is located base 1, location profiling device 2 is including location profiling bottom plate 3, first web activity profiling 4, second web activity profiling 5 and jack 6, first web activity profiling 4 and second web activity profiling 5 set up the both sides at location profiling bottom plate 3 perpendicularly, location profiling bottom plate 3 fixed mounting is on base 1, second web activity profiling 5 is connected with jack 6, advance the adjustment to the position of second web activity profiling 5 on location profiling bottom plate 3 through jack 6.
Both ends of location profiling bottom plate 3 all are provided with draw-in groove 9, location profiling bottom plate 3 matches the joint on crossbeam 8 through draw-in groove 9, and location profiling bottom plate 3 passes through bolt 10 and crossbeam 8 fixed connection, structural design is ingenious reasonable, design through both ends draw-in groove 9 makes location profiling bottom plate 3 just in time can the joint on crossbeam 8, the further fixed erection joint fastness of ensureing between location profiling bottom plate 3 and the crossbeam 8 of rethread bolt 10, guarantee that the installation of location profiling device 2 on base 1 places the steadiness, make overall structure safe and reliable more, the installation is dismantled conveniently simply, and the equipment of being convenient for.
Be provided with first stiffening plate 11 on the first web activity profiling 4, the overall structure steadiness of first web activity profiling 4 can be improved in the design of first stiffening plate 11 to stability and connectivity when improving follow-up panel welding improve welding quality.
Be provided with the tight bolt 12 in top on the first web activity profiling 4, the bolt hole has been seted up on the first web activity profiling 4, the tight bolt 12 in top is installed in the bolt hole, can push up tightly spacing between baffle 24 and the web on the box girder 25 when follow-up welding through the tight bolt 12 in top, be convenient for accurate location between the two, thereby the actual welded fastening of being more convenient for, ensure welding quality, and the aperture of bolt hole will be greater than the stiffening rib's on the box girder 25 length, avoid the aperture undersize, influence actual equipment welding operation.
Be provided with spacing frame 13 on the second web activity profiling 5, the tip matching of jack 6 is installed in spacing frame 13, realizes the accurate installation location between jack 6 and the second web activity profiling 5 through the design of spacing frame 13, ensures that follow-up jack 6 removes the operation to the top of second web activity profiling 5, and structural design is ingenious reasonable.
Jack 6 is through reaction support 17 and location profiling bottom plate 3 fixed connection, reaction support 17 includes reaction support end plate 18, 6 fixed mounting of jack is on reaction support end plate 18, 18 fixed mounting of reaction support end plate are on location profiling bottom plate 3, through 18 installation fixed jack 6 of reaction support end plate, again with 18 welded fastening of reaction support end plate to location profiling bottom plate 3 on, guarantee overall structure fastness, and reasonable in design, the installation is dismantled conveniently simply.
The reaction support end plate 18 is provided with the reaction support lateral stiffening plates 19, the design of the reaction support lateral stiffening plates 19 can improve the structural strength of the whole reaction support 17, at least one reaction support lateral stiffening plate 19 is arranged, the installation number of the reaction support 17 lateral stiffening plates can be selected according to actual requirements, and therefore the structural stability and reliability of the whole reaction support 17 are guaranteed.
The utility model discloses straightness and depth of parallelism between each plate when can guaranteeing the welding, make welding deformation little, accomplish the frock location and press from both sides tightly, one step put the size dress in place, thereby the precision of taking one's place of control box girder 25 better, and the dress welds the flatness and the straightness accuracy of box girder 25 and all accept qualifiedly, improve welding quality, and this large-span box girder structure equipment fetal membrane all adopts green steel, can also secondary recycle after scrapping, whole consumptive material is little, be convenient for transport, easy dismounting is simple, and saves cost, the reduction of erection time, implement easy operation, and control requirement is general, easily popularization. The utility model discloses the formation base 1 is connected with crossbeam 8 to the center pillar 7, the setting of location profiling device is on crossbeam 8, the buckle type is made to the location profiling device, and fix on crossbeam 8 through bolt 10 and guarantee overall structure fastness and steadiness, box girder 25 is placed on the location profiling device, one side is fixed through first web activity profiling 4 location and cooperation puller bolt 12, the opposite side pushes away second web activity profiling 5 through 6 top of jack and fixes, stability and connectivity when guaranteeing the welding, improve welding precision and welding quality.
The utility model discloses during the in-service use: (1) firstly, placing the bottom plate 20 of the box beam 25 on the positioning explorator bottom plate 3, and fixing by using a clamp; (2) welding the partition plate 24 to the designed position of the positioning explorator bottom plate 3 according to the designed layout; (3) the first web plate 22 is abutted against the first web plate movable explorator 4 and the positioning explorator bottom plate 3, the first web plate 22 and the partition plate 24 are tightly jacked through the jacking bolt 12 on the first web plate movable explorator 4, and the electric welding positioning is carried out; (4) abutting a second web plate 23 against a second web plate movable profiling 5 and a positioning profiling bottom plate 3, and then pushing the second web plate movable profiling 5 through a jack 6, so that the second web plate 23 is tightly connected with a partition plate 24 and is well positioned by electric welding; (5) welding the top plate 21 against the partition plate 24, the first web 22 and the second web 23; (6) and loosening the puller bolt 12 on the first web plate movable profiling 4 to finish the primary welding of the large box girder 25.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to achieve substantially the same technical effects are all covered by the scope of the present invention.
Claims (9)
1. The utility model provides a large-span box girder construction equipment fetal membrane which characterized in that: including base and location profiling device, the location profiling device is located on the base, the location profiling device is including location profiling bottom plate, first web activity profiling, second web activity profiling and jack, first web activity profiling with second web activity profiling sets up perpendicularly the both sides of location profiling bottom plate, location profiling bottom plate fixed mounting is in on the base, second web activity profiling with the jack is connected, through the jack is right second web activity profiling is in adjustment is advanced to the position on the location profiling bottom plate.
2. The large-span box girder structure assembly tire membrane of claim 1, wherein: the base comprises an upright post and a cross beam, the upright post is fixedly connected with the cross beam, and the cross beam is supported by the upright post.
3. The large-span box girder structure assembly tire membrane of claim 2, wherein: the two ends of the positioning profiling bottom plate are provided with clamping grooves, the positioning profiling bottom plate is connected to the cross beam in a matched and clamped mode through the clamping grooves, and the positioning profiling bottom plate is fixedly connected with the cross beam through bolts.
4. The large-span box girder structure assembly tire membrane of claim 1, wherein: and a first stiffening plate is arranged on the first web plate movable profiling.
5. The large-span box girder structure assembly tire membrane of claim 1, wherein: and the first web plate movable explorator is provided with a puller bolt.
6. The large-span box girder structure assembly tire membrane of claim 1, wherein: and a limiting frame is arranged on the second web plate movable explorator, and the end part of the jack is installed in the limiting frame in a matching manner.
7. The large-span box beam structure assembly tire membrane of claim 6, wherein: the limiting frame comprises a limiting bottom plate, limiting side plates and a limiting top plate, the limiting top plate is located above the limiting bottom plate, two ends of the limiting top plate are connected with two ends of the limiting top plate in a one-to-one correspondence mode respectively, and the limiting top plate and corresponding end portions of the limiting bottom plate are connected and provided with the limiting side plates.
8. The large-span box girder structure assembly tire membrane of claim 1, wherein: the jack pass through the counter-force support with location profiling bottom plate fixed connection, the counter-force support includes the counter-force support end plate, jack fixed mounting be in on the counter-force support end plate, counter-force support end plate fixed mounting be in on the location profiling bottom plate.
9. The large-span box beam structure assembly tire membrane of claim 8, wherein: and a counter-force support lateral stiffening plate is arranged on the counter-force support end plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121654896.7U CN215200439U (en) | 2021-07-20 | 2021-07-20 | Large-span box girder construction equipment child membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121654896.7U CN215200439U (en) | 2021-07-20 | 2021-07-20 | Large-span box girder construction equipment child membrane |
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| Publication Number | Publication Date |
|---|---|
| CN215200439U true CN215200439U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121654896.7U Active CN215200439U (en) | 2021-07-20 | 2021-07-20 | Large-span box girder construction equipment child membrane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309946A (en) * | 2022-01-24 | 2022-04-12 | 大匠激光科技(苏州)有限公司 | Box body welding method and storage medium |
-
2021
- 2021-07-20 CN CN202121654896.7U patent/CN215200439U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309946A (en) * | 2022-01-24 | 2022-04-12 | 大匠激光科技(苏州)有限公司 | Box body welding method and storage medium |
| CN114309946B (en) * | 2022-01-24 | 2024-02-06 | 大匠激光科技(苏州)有限公司 | Box welding method and storage medium |
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Address after: 311400 No.18, Changkou East Street, Changkou Town, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Zhongnan Lvjian Technology Group Co.,Ltd. Address before: 311400 No.18, Changkou East Street, Changkou Town, Fuyang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG ZHONGNAN CONSTRUCTION GROUP STEEL STRUCTURE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |