CN214264490U - Anti-deformation jig frame for steel box girder plate unit - Google Patents
Anti-deformation jig frame for steel box girder plate unit Download PDFInfo
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- CN214264490U CN214264490U CN202023040694.1U CN202023040694U CN214264490U CN 214264490 U CN214264490 U CN 214264490U CN 202023040694 U CN202023040694 U CN 202023040694U CN 214264490 U CN214264490 U CN 214264490U
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Abstract
The application relates to a steel case beam slab unit anti-deformation bed-jig belongs to the field of construction technology, and it includes the base and sets up a plurality of arcs on the base, and is a plurality of the arc distributes, every along the length direction of base the length direction's of arc both ends extend towards the direction of base, the base with be provided with coupling mechanism between the arc. When the steel box girder bottom plate and the U-shaped ribs are welded, the steel box girder bottom plate is placed on the arc-shaped plate, sub-ship-shaped welding is formed between the U-shaped ribs and the steel box girder plate, namely, proper reversible deformation is applied to the steel box girder bottom plate before welding, so that the angular deformation generated in the welding of the steel box girder plate unit is reduced, the welding strength between the U-shaped ribs and the steel box girder bottom plate is increased, the use strength of the bridge is improved, and the service life of the bridge is prolonged.
Description
Technical Field
The application relates to the field of building construction technology, in particular to a steel box girder plate unit anti-deformation jig frame.
Background
The steel box girder is a common structural form of a long-span bridge.
In the related art, a plurality of U-shaped ribs need to be welded on the top plate or the bottom plate of the steel box girder to play a role in reinforcement.
The inventor thinks that after the steel box girder is welded, the welding stress accumulation formed by the top and bottom plate units cannot be effectively released, and the welding stress accumulation forms quality hidden troubles for the service strength, the service life and the like of the bridge.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the welding stress accumulation formed by the top bottom plate cannot be effectively released after the welding of the steel box girder is finished, and the quality hidden danger is formed to the service strength, the service life and the like of a bridge, the application provides a steel box girder plate unit anti-deformation jig frame.
The application provides a pair of steel case beam slab unit anti-deformation bed-jig adopts following technical scheme:
the anti-deformation jig frame comprises a base and a plurality of arc-shaped plates arranged on the base, wherein the arc-shaped plates are distributed along the length direction of the base, two ends of each arc-shaped plate in the length direction extend towards the base, and a connecting mechanism is arranged between the base and each arc-shaped plate.
By adopting the technical scheme, when the steel box girder bottom plate and the U-shaped ribs are welded, the steel box girder bottom plate is placed on the arc-shaped plate, the sub-ship-shaped welding is formed between the U-shaped ribs and the steel box girder plate, namely, the steel box girder bottom plate is applied with proper reversible deformation before welding, so that the angular deformation generated by the steel box girder plate unit in the welding process is reduced, the welding strength between the U-shaped ribs and the steel box girder bottom plate is increased, the use strength of the bridge is improved, and the service life of the bridge is prolonged.
Optionally, the connecting mechanism includes a plurality of connecting rods and a plurality of connecting plates;
the connecting rods are arranged between each arc-shaped plate and the base, and a fan shape is formed between each connecting rod and each arc-shaped plate;
the connecting plates are arranged among the arc plates, and each connecting plate is connected with the connecting rod on each arc plate;
be provided with swing subassembly and rotation supporting component between connecting rod and the base, swing subassembly is used for driving a plurality of arcs to swing, rotation supporting component supports a plurality of arcs.
Through adopting above-mentioned technical scheme, fix between arc and the base through the connecting rod, then connect between a plurality of arcs through the connecting plate. The arrangement of the swing assembly and the rotary supporting assembly can facilitate the welding between the steel box girder bottom plate and the U-shaped ribs. When the arc-shaped plate is inclined at one side of the bottom plate and correspondingly welds the bottom plate of the steel box girder and one side of the U rib, the arc-shaped plate is inclined at the other side, and then the other sides of the bottom plate of the steel box girder and the U rib can be correspondingly welded.
Optionally, the swing assembly includes a screw, a first moving block and a second moving block, the screw is rotatably disposed on the base, limit members are disposed between the first moving block and the base and between the second moving block and the base, and the first moving block and the second moving block are both threadedly sleeved on the screw;
a driving piece is arranged at the end part of the screw rod and fixed on the base;
when the arc-shaped plate moves towards the direction of the first moving block, the connecting plate is abutted against the first moving block;
when the arc-shaped plate moves towards the direction of the second moving block, the connecting plate is abutted against the second moving block.
By adopting the technical scheme, the screw is driven to rotate by the driving piece, when the screw rotates, the first moving block and the second moving block can be driven to rotate in the same direction along the axis direction of the screw, and when the first moving block and the second moving block move towards the direction of the first moving block, the second moving block pushes the arc-shaped plate to move towards the direction of the first moving block until the arc-shaped plate is inclined on the first moving block. When the first moving block and the second moving block move towards the direction of the second moving block, the first moving block pushes the arc-shaped plate to move towards the direction of the second moving block until the arc-shaped plate is inclined on the second moving block.
Optionally, the first moving block and the second moving block are both rotatably provided with supporting plates towards the top corners of the arc-shaped plate.
Through adopting above-mentioned technical scheme, the area of contact between first movable block and the arc can be increased in the setting of backup pad to and the area of contact between second movable block and the arc, can be convenient for carry out the propelling movement to the arc on the one hand, and on the other hand can protect the arc, reduces the fish tail on arc board surface.
Optionally, a first pull rope is fixed at a position, facing the top corner of the arc-shaped plate, of the first moving block, and one end, far away from the first moving block, of the first pull rope is fixed with a connecting plate, facing the first moving block, of the arc-shaped plate;
and a second pull rope is fixed at the vertex angle of the second moving block towards the arc-shaped plate, and one end of the second pull rope, which is far away from the second moving block, is fixed with a connecting plate of the arc-shaped plate, which faces the second moving block.
By adopting the technical scheme, when the first moving block and the second moving block move towards the direction of the first moving block, the arc-shaped plate is required to incline towards the direction of the first moving block, and the first pull rope can apply a pulling force to the arc-shaped plate towards the direction of the first moving block, so that the arc-shaped plate can quickly incline to one side of the first moving block. The second pull rope has the same function as the first pull rope, namely, the first pull rope can apply a pulling force to the arc-shaped plate towards the second moving block, so that the arc-shaped plate can quickly incline to one side of the second moving block.
Optionally, the rotating support assembly includes a first telescopic rod and a second telescopic rod;
one end of the first telescopic rod is fixed with the base, the other end of the first telescopic rod is connected with the connecting plate in a sliding mode, one end of the second telescopic rod is fixed with the base, and the other end of the second telescopic rod is connected with the connecting plate in a sliding mode.
Through adopting above-mentioned technical scheme, wholly supporting the arc through first telescopic link and second telescopic link, when the arc slope in the position of first telescopic link, can support the arc through first telescopic link, when the position of the second telescopic link of arc slope, can support the arc through the second telescopic link.
Optionally, every a plurality of mounting holes have all been seted up to the length direction of arc, every adjacent two all be provided with the mounting panel between the arc, be provided with the bolt between mounting panel and the arc, the bolt is worn to locate in the mounting hole, a plurality of spacing holes have been seted up on the mounting panel.
Through adopting above-mentioned technical scheme, the setting of mounting panel can be convenient for fix the steel box girder bottom plate. The installation between the steel box girder bottom plate and the mounting panel of different specifications can be convenient for in the setting of a plurality of mounting holes.
Optionally, the limiting member is a clamping block, the clamping block is fixed to one surface of the first moving block close to the base and one surface of the second moving block close to the base, a clamping groove is formed in the base, and the clamping block is slidably disposed in the clamping groove.
Through adopting above-mentioned technical scheme, the setting of fixture block and draw-in groove can prescribe a limit to the position of first movable block and second movable block to can be convenient for first movable block and second movable block and remove along the axis direction of screw rod.
In summary, the present application includes at least one of the following beneficial technical effects:
1. due to the arrangement of the arc-shaped plates, proper reversible deformation can be applied to the steel box girder bottom plate before welding, the angular deformation generated in the welding process of the steel box girder plate unit is reduced, the welding strength between the U rib and the steel box girder bottom plate is increased, the use strength of the bridge is improved, and the service life of the bridge is prolonged;
2. through the arrangement of the swing assembly and the rotary support assembly, the effect of facilitating welding between the steel box girder bottom plate and the U ribs can be achieved;
3. through the setting of backup pad, not only can be convenient for carry out the propelling movement to the arc board, can protect the arc board moreover, reduce the fish tail on arc board surface.
Drawings
FIG. 1 is a schematic overall structure diagram of the connection of a reversible deformation jig frame and a steel box girder in the embodiment of the application;
FIG. 2 is a schematic overall structure diagram of an anti-deformation jig frame in the embodiment of the application;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is an enlarged schematic view of a portion B in fig. 1.
Description of reference numerals: 1. a base; 2. an arc-shaped plate; 3. a connecting mechanism; 31. a connecting rod; 32. a connecting plate; 321. a limiting groove; 4. a swing assembly; 41. a screw; 42. a first moving block; 421. a first pull cord; 43. a second moving block; 431. a support plate; 432. a second pull cord; 44. a limiting member; 441. a clamping block; 442. a card slot; 45. a drive member; 5. rotating the support assembly; 52. a first telescopic rod; 53. a second telescopic rod; 54. mounting holes; 55. mounting a plate; 551. a fixing lug; 56. a bolt; 57. a limiting hole; 51. a limiting column; 6. a steel box girder bottom plate; 7. a U-rib; 8. and (4) supporting the base.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses steel case beam slab unit anti-deformation bed-jig. Referring to fig. 1, the steel box girder unit anti-deformation jig comprises a base 1 and a plurality of arc-shaped plates 2, wherein the arc-shaped plates 2 are distributed along the length direction of the base 1, the arc-shaped plates 2 are arranged in parallel, and each arc-shaped plate 2 is bent towards the base 1. When the steel box girder bottom plate 6 and the U rib 7 are welded, the steel box girder bottom plate 6 is placed on the arc-shaped plate 2, and then the U rib 7 is welded on the steel box girder bottom plate 6.
Referring to fig. 2 and 3, a plurality of mounting holes 54 have all been seted up to the length direction of every arc 2, a plurality of mounting holes 54 one-to-one coaxial setting on every two adjacent arcs 2, all be provided with mounting panel 55 between every two adjacent arcs 2, all be provided with a pair of fixed lug 551 at the length direction's of every mounting panel 55 both ends, be provided with bolt 56 between fixed lug 551 on the mounting panel 55 and the arc 2, lock between fixed lug 551 and the arc 2 through bolt 56, thereby can fix mounting panel 55 between two adjacent arcs 2.
Referring to fig. 1 and 3, a plurality of limiting holes 57 are formed in the mounting plate 55 and the steel box girder bottom plate 6, and the limiting posts 51 are inserted into the limiting holes 57, so that the steel box girder bottom plate 6 can be fixed on the mounting plate 55, and the steel box girder bottom plate 6 and the U-shaped ribs 7 can be welded.
Referring to fig. 3, a connection mechanism 3 is disposed between the base 1 and the arc plate 2, and the connection mechanism 3 includes a plurality of connection rods 31 and a plurality of connection plates 32. A plurality of connecting rods 31 all set up between every arc 2 and base 1, form fan-shaped between a plurality of connecting rods 31 and the arc 2. In this embodiment, each arc plate 2 is matched with three connecting rods 31 to enhance the supporting strength of the arc plate 2. A plurality of connecting plates 32 are used for connecting a plurality of arcs 2, and in this embodiment, connecting plate 32 sets up to two, and two connecting plates 32 one-to-one are fixed in on the connecting rod 31 of arc 2 both sides.
Referring to fig. 1 and 4, a swing assembly 4 is disposed between the connecting rod 31 and the base 1, the swing assembly 4 includes a plurality of screws 41, and a first moving block 42 and a second moving block 43 sleeved on each screw 41, a plurality of pairs of supporting seats 8 are fixed on the base 1, the plurality of screws 41 are connected with the plurality of pairs of supporting seats 8 in a one-to-one correspondence manner, and the bolts 56 are rotatably connected with the supporting seats 8. A driving part 45 is fixed on the base 1, in this embodiment, the driving part 45 is a motor, an output shaft of the motor is connected to an end of the screw rod 41, a limiting part 44 is disposed between the first moving block 42 and the second moving block 43 and the base 1, and a locking slot 442 is disposed on the base 1.
Referring to fig. 4, the supporting plates 431 are rotatably disposed at the top corners of the first moving block 42 and the second moving block 43 facing the arc-shaped plate 2, and in order to facilitate rapid rotation and deflection of the arc-shaped plate 2, a first pulling rope 421 is fixed to the supporting plate 431 of the first moving block 42, and one end of the first pulling rope 421 away from the first moving block 42 is fixed to the connecting plate 32 of the arc-shaped plate 2 facing the first moving block 42. A second pull rope 432 is fixed to the support plate 431 of the second moving block 43, and one end of the second pull rope 432 away from the second moving block 43 is fixed to the connecting plate 32 of the arc plate 2 facing the second moving block 43. When the motor is started, the output shaft of the motor rotates to drive the screw rod 41 to rotate, so that the first moving block 42 and the second moving block 43 can be driven to rotate in the same direction.
Referring to fig. 4, when the first and second moving blocks 42 and 43 move in the direction of the first moving block 42, the support plate 431 on the second moving block 43 pushes the connection rod 31 on the arc plate 2 to rotate the arc plate 2 in the direction of the first moving block 42, and the support plate 431 can rotate according to the distance between the second moving block 43 and the connection rod 31, so that the contact area between the support plate 431 and the connection rod 31 is increased. When the first moving block 42 and the second moving block 43 move, the first pulling rope 421 is gradually tightened, and the second pulling rope 432 is gradually loosened, so that a pulling force can be applied to the connecting rod 31 through the first pulling rope 421, the arc-shaped plate 2 can be conveniently inclined on the first moving block 42, and after the arc-shaped plate 2 is inclined on the first moving block 42, the motor stops running. When the motor rotates reversely, the arc plate 2 can rotate reversely in the same way and is inclined on the second moving block 43.
Referring to fig. 1, still be provided with between connecting rod 31 and base 1 and rotate supporting component 5, it includes first telescopic link 52 and second telescopic link to rotate supporting component 5, spacing groove 321 has been seted up to the one side that two backup pads 431 deviate from mutually, the one end of first telescopic link 52 is fixed with base 1, the other end of first telescopic link 52 stretches into spacing inslot 321 and the lateral wall sliding connection of spacing groove 321, the one end of second telescopic link 53 is fixed with base 1, the other end of second telescopic link 53 stretches into spacing inslot 321 and the lateral wall sliding connection of spacing groove 321.
The implementation principle of the steel box beam plate unit anti-deformation jig frame in the embodiment of the application is as follows: firstly, according to the specification of the steel box girder bottom plate 6, the mounting plate 55 is fixed on the arc-shaped plates 2, then the steel box girder bottom plate 6 is placed on the plurality of arc-shaped plates 2, the limiting columns 51 are inserted into the limiting holes 57 on the mounting plate 55 and the steel box girder bottom plate 6, the position of the steel box girder bottom plate 6 is limited, and finally, the U-shaped rib 7 is welded on the steel box girder bottom plate 6.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a steel case beam slab unit anti-deformation bed-jig which characterized in that: including base (1) and set up a plurality of arcs (2) on base (1), it is a plurality of the length direction distribution of base (1) is followed in arc (2), every the direction of base (1) is extended towards the both ends of the length direction of arc (2), base (1) with be provided with coupling mechanism (3) between arc (2).
2. The steel box girder plate unit reversible deformation bed-jig of claim 1, characterized in that: the connecting mechanism (3) comprises a plurality of connecting rods (31) and a plurality of connecting plates (32);
the connecting rods (31) are arranged between each arc-shaped plate (2) and the base (1), and a sector is formed between each connecting rod (31) and each arc-shaped plate (2);
the connecting plates (32) are arranged among the arc plates (2), and each connecting plate (32) is connected with a connecting rod (31) on each arc plate (2);
be provided with between connecting rod (31) and base (1) swing subassembly (4) and rotation support assembly (5), swing subassembly (4) are used for driving a plurality of arc (2) swings, rotation support assembly (5) support a plurality of arc (2).
3. The steel box girder plate unit reversible deformation bed-jig of claim 2, characterized in that: the swing assembly (4) comprises a screw rod (41), a first moving block (42) and a second moving block (43), the screw rod (41) is rotatably arranged on the base (1), limiting pieces (44) are respectively arranged between the first moving block (42) and the base (1) and between the second moving block (43) and the base (1), and the first moving block (42) and the second moving block (43) are respectively sleeved on the screw rod (41) in a threaded manner;
a driving piece (45) is arranged at the end part of the screw rod (41), and the driving piece (45) is fixed on the base (1);
when the arc-shaped plate (2) moves towards the direction of the first moving block (42), the connecting plate (32) is abutted against the first moving block (42);
when the arc-shaped plate (2) moves towards the direction of the second moving block (43), the connecting plate (32) and the second moving block (43) are abutted.
4. The steel box girder plate unit reversible deformation bed-jig of claim 3, characterized in that: and supporting plates (431) are rotatably arranged on the top corners of the first moving block (42) and the second moving block (43) facing the arc-shaped plate (2).
5. The steel box girder plate unit reversible deformation bed-jig of claim 3, characterized in that: a first pull rope (421) is fixed at the vertex angle of the first moving block (42) facing the arc-shaped plate (2), and one end of the first pull rope (421) far away from the first moving block (42) is fixed with a connecting plate (32) of the arc-shaped plate (2) facing the first moving block (42);
a second pull rope (432) is fixed at the vertex angle of the second moving block (43) facing the arc-shaped plate (2), and one end, away from the second moving block (43), of the second pull rope (432) is fixed with a connecting plate (32) of the arc-shaped plate (2) facing the second moving block (43).
6. The steel box girder plate unit reversible deformation bed-jig of claim 2, characterized in that: the rotating support assembly (5) comprises a first telescopic rod (52) and a second telescopic rod (53);
one end of the first telescopic rod (52) is fixed with the base (1), the other end of the first telescopic rod (52) is connected with the connecting plate (32) in a sliding mode, one end of the second telescopic rod (53) is fixed with the base (1), and the other end of the second telescopic rod (53) is connected with the connecting plate (32) in a sliding mode.
7. The steel box girder plate unit reversible deformation bed-jig of claim 1, characterized in that: every a plurality of mounting holes (54) have all been seted up to the length direction of arc (2), every adjacent two all be provided with mounting panel (55) between arc (2), be provided with bolt (56) between mounting panel (55) and arc (2), bolt (56) are worn to locate in mounting hole (54), a plurality of spacing holes (57) have been seted up on mounting panel (55).
8. The steel box girder plate unit reversible deformation bed-jig of claim 3, characterized in that: the limiting piece (44) is a clamping block (441), the clamping block (441) is fixed to one surface, close to the base (1), of the first moving block (42) and one surface, close to the base (1), of the second moving block (43), a clamping groove (442) is formed in the base (1), and the clamping block (441) is slidably arranged in the clamping groove (442).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023040694.1U CN214264490U (en) | 2020-12-16 | 2020-12-16 | Anti-deformation jig frame for steel box girder plate unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023040694.1U CN214264490U (en) | 2020-12-16 | 2020-12-16 | Anti-deformation jig frame for steel box girder plate unit |
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| CN214264490U true CN214264490U (en) | 2021-09-24 |
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| CN202023040694.1U Active CN214264490U (en) | 2020-12-16 | 2020-12-16 | Anti-deformation jig frame for steel box girder plate unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114571175A (en) * | 2021-11-30 | 2022-06-03 | 甘肃博睿交通重型装备制造有限公司 | Bridge steel box girder partition plate and bottom plate assembly system |
| CN116810263A (en) * | 2023-07-19 | 2023-09-29 | 安徽省交通建设股份有限公司 | Positioning and fixing device for welding and processing U-shaped ribs of steel box girder |
| CN117464134A (en) * | 2023-12-26 | 2024-01-30 | 中铁四局集团有限公司 | Streamline flat steel box girder welding equipment and processing method thereof |
| CN117464134B (en) * | 2023-12-26 | 2024-05-24 | 中铁四局集团有限公司 | Streamline flat steel box girder welding equipment and processing method thereof |
-
2020
- 2020-12-16 CN CN202023040694.1U patent/CN214264490U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114571175A (en) * | 2021-11-30 | 2022-06-03 | 甘肃博睿交通重型装备制造有限公司 | Bridge steel box girder partition plate and bottom plate assembly system |
| CN116810263A (en) * | 2023-07-19 | 2023-09-29 | 安徽省交通建设股份有限公司 | Positioning and fixing device for welding and processing U-shaped ribs of steel box girder |
| CN116810263B (en) * | 2023-07-19 | 2024-03-01 | 安徽省交通建设股份有限公司 | Positioning and fixing device for welding and processing U-shaped ribs of steel box girder |
| CN117464134A (en) * | 2023-12-26 | 2024-01-30 | 中铁四局集团有限公司 | Streamline flat steel box girder welding equipment and processing method thereof |
| CN117464134B (en) * | 2023-12-26 | 2024-05-24 | 中铁四局集团有限公司 | Streamline flat steel box girder welding equipment and processing method thereof |
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