CN220312235U - Bed-jig structure for manufacturing steel box girder - Google Patents
Bed-jig structure for manufacturing steel box girder Download PDFInfo
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- CN220312235U CN220312235U CN202320662898.3U CN202320662898U CN220312235U CN 220312235 U CN220312235 U CN 220312235U CN 202320662898 U CN202320662898 U CN 202320662898U CN 220312235 U CN220312235 U CN 220312235U
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- box girder
- jig frame
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 22
- 239000010959 steel Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 210000001503 joint Anatomy 0.000 claims description 20
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 6
- 238000003032 molecular docking Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a jig frame structure for manufacturing a steel box girder, which is provided with a box girder frame arranged on a bottom plate, wherein the box girder frame is provided with a supporting plate fixedly arranged on the bottom plate and baffle plates rotatably arranged on two sides of the supporting plate, an angle adjusting structure for adjusting an included angle between the baffle plates is arranged between the outer side wall of the baffle plates and the bottom plate, the bottom plate is adjustably arranged on a base through a position adjusting structure, two adjacent bases are locked through a clamp and a structure fixedly arranged on the base, the clamp and the structure are arranged on the side wall of the base vertical to the through length direction of the baffle plates, and the number of the bases connected through the clamp and the structure and the length of the box girder frame arranged on the bottom plate after being spliced are adjusted. Therefore, the box girder frame is adjusted through the clamp, the structure and the angle adjusting structure, so that the box girder frame is suitable for mounting box girders with different sizes. The utility model is suitable for the technical field of bridge engineering.
Description
Technical Field
The utility model relates to a jig frame structure for manufacturing a steel box girder. The method is suitable for the technical field of bridge engineering.
Background
The steel structure bridge is an overhead road building with bearing capacity and generally consists of the following parts: bridge span structure, bridge abutment, foundation, superstructure, support, taper slope protection, the steel structure bridge structure road bridge is the integral of inseparable in the transportation system, the quality of highway bridge directly influences the operation guarantee and the quality of whole highway, the bed-jig is a mould, refer to the scaffold that mainly plays the bearing atress effect, it is a special technological equipment that is convenient for mechanical equipment assembly and welding, it is extensive to use in template engineering, steel structure installation engineering, bridge engineering; different from the common single-double-row scaffold, the scaffold has large design difference due to large supporting structural form and weight difference; different equipment and different processes and different forms of the jig frame.
In the existing bridge construction engineering, the box girder is usually installed on a bridge after being hoisted to a bridge construction area after being prefabricated on a construction site. Then, in the process of manufacturing the box girder, a box girder jig frame is often required to be manufactured first, and concrete is manufactured in the jig frame after reinforcing steel bars are paved on the box girder jig frame. The box girder used by different bridge structures has inconsistent dimensions. Building the jig frame according to the required box girder size on the construction site can greatly influence the construction process.
Disclosure of Invention
The utility model aims to solve the technical problems that: in order to solve the technical problems, the utility model provides a jig frame structure for manufacturing a steel box girder.
The technical scheme adopted by the utility model is as follows: a bed-jig structure for steel case roof beam preparation, its characterized in that: the box girder frame is arranged on the bottom plate, the box girder frame is provided with a supporting plate fixedly arranged on the bottom plate and baffle plates rotatably arranged on two sides of the supporting plate, an angle adjusting structure used for adjusting an included angle between the baffle plates and the supporting plate is arranged between the outer side wall of the baffle plates and the bottom plate, the bottom plate is adjustably arranged on the base through the position adjusting structure, two adjacent bases are locked through a clamp and a structure fixedly arranged on the base, the clamp and the structure are arranged on the side wall of the base perpendicular to the through length direction of the baffle plates, and the quantity of the bases connected through the clamp and the structure are adjusted and the length of the box girder frame is arranged on the bottom plate after being spliced. Therefore, the cross section of the box girder frame is adjusted by adjusting the included angle between the angle adjusting structure adjusting baffle plate and the supporting plate, the lengths of the box girder frames which are arranged on the bottom plates and spliced by the clamping blocks and the structures which are arranged on the base are adjusted and installed structurally by the different numbers of the jig frames, and finally the jig frame structures are applied to manufacturing of steel box girders with different sizes; the position of the bottom plate on the base is adjusted through the position adjusting structure, so that the position of the bottom plate on the base is conveniently adjusted when a plurality of bases are connected through the clamp and the structure, and the bottom plate and the baffle are moved to the position matched with the box girder frame.
The angle adjusting structure is provided with an adjusting cylinder arranged between the outer side wall of the baffle and the bottom plate, the telescopic end of the adjusting cylinder is rotatably connected with the baffle through a hinge structure, and the fixed end of the adjusting cylinder is rotatably connected with the bottom plate through a hinge structure. Therefore, the relative rotation between the baffle and the supporting plate can be controlled by adjusting the air inlet proportion of the air cylinder, the air inlet proportion of the air cylinder is controlled to be stable, the air cylinder is also kept in the state, and finally the angle between the baffle and the supporting plate is kept stable.
The clamp and the structure are provided with a butt joint frame and a butt joint block which are respectively and fixedly installed on two side walls of the base, and mounting holes for mounting the pin rods are respectively formed in the butt joint block and the butt joint frame at corresponding positions. Therefore, after the rear tire frame structure is moved to the position corresponding to the butt joint block on the rear tire frame structure and the butt joint frame on the front tire frame structure, and the butt joint block on the rear tire frame structure is moved to the position matched with the butt joint frame on the front tire frame structure, the pin rod is inserted into the butt joint block on the rear tire frame structure and the butt joint frame on the front tire frame structure, and the connection between the front tire frame structure and the rear tire frame structure is realized.
The position adjusting structure is provided with a sliding rail which is arranged on the base along the passing direction of the baffle plate, a sliding block is slidably arranged on the sliding rail, the bottom plate is fixedly arranged on the sliding block, and a guide wheel which is in rolling fit with the surface of the base is further arranged on the bottom surface of the bottom plate. Thus, the position of the bottom plate on the base is convenient to adjust.
A plurality of moving wheels are uniformly arranged on the bottom surface of the base. Thus, the jig frame structure is convenient to move.
The base bottom surface is evenly provided with a plurality of hydraulic cylinders along the direction vertical to the bottom surface of the base, the fixed ends of the hydraulic cylinders are fixed on the base bottom surface, and the telescopic ends of the hydraulic cylinders are contacted with the ground below the base after extending out and stably support the base on the ground. When the jig frame structure needs to be moved, the telescopic end of the hydraulic cylinder is retracted, so that the moving wheel is in contact with the ground; when the jig frame structure does not need to be moved, the telescopic end of the hydraulic cylinder is extended, so that the telescopic end of the hydraulic cylinder is contacted with the ground, the jig frame structure and the movable wheels arranged below the jig frame structure are lifted under the action of the hydraulic cylinder, the contact between the movable wheels and the ground is canceled, and the hydraulic cylinder supports the jig frame structure on the ground.
The base is fixed with a plurality of fixed blocks all around, is equipped with the installation through-hole along vertical direction on the fixed block, installs on the fixed block with installation through-hole screw thread fit's gim peg. Therefore, after the jig frame structure is moved to the position to be installed, the fixing bolt is rotated to downwards move to be screwed into the ground, so that the jig frame structure is stably installed on the ground, and the jig frame structure is prevented from sliding on the ground.
The top end of the fixing bolt is fixedly provided with a rotating block, and the side wall of the rotating block is uniformly provided with notches. Thus, the personnel can conveniently screw the fixing bolt.
A telescopic rod is further arranged between the outer side wall of the baffle and the bottom plate, the telescopic rod is provided with an auxiliary cylinder and an auxiliary rod, the first end of the auxiliary cylinder is rotatably mounted on the bottom plate through a hinge structure, the second end of the auxiliary cylinder is sleeved on the first end of the auxiliary rod, and the second end of the auxiliary rod is rotatably mounted on the outer side wall of the baffle through a hinge structure. So, through the telescopic link that sets up, improved the stability of baffle in the use.
The inner wall of the auxiliary cylinder is provided with a limit wheel in rolling fit with the auxiliary rod, and the second end of the auxiliary cylinder is provided with a limit ring sleeved outside the auxiliary rod through the limit rod.
The beneficial effects of the utility model are as follows: the box girder frames on the different numbers of jig frame structures are spliced through the clamps and the structures arranged on the base, so that the length of the box girder in the box girder frames is adjusted; the angle between the baffle and the supporting plate is adjusted by controlling the expansion and contraction of the adjusting cylinder, so that the section of the box girder in the box girder frame is adjusted, and the jig frame structure is used for installing box girders with different sizes. The movable wheels arranged at the bottom of the base are convenient for personnel to move the jig frame structure; the hydraulic cylinder arranged at the bottom of the base is convenient to retract when the jig frame structure needs to be moved, so that the movable wheel is contacted with the ground to drive the jig frame structure to move on the ground; when the jig frame structure does not need to be moved, the hydraulic cylinders are extended, so that the moving wheels are in contact with the ground, and meanwhile, the box girder frame on the jig frame structure can be kept horizontal when the jig frame structure is moved to the non-horizontal ground according to the telescopic quantity of the different hydraulic cylinders. After the jig frame structure is moved to a proper position, the fixed bolts arranged on the fixing blocks on the outer side of the base are screwed into the ground, so that the fixed connection between the jig frame structure and the ground is realized, and the sliding of the jig frame structure on the ground is avoided. Therefore, after the jig frame structure is transported to a construction site, the jig frame structure can be adapted to the sizes of different box girders on different bridges by adjusting the connection quantity of the jig frame structure and the expansion quantity of the air cylinders.
Drawings
FIG. 1 is a schematic view of a structure of a preferred embodiment of a jig frame structure for manufacturing a steel box girder according to the present utility model;
FIG. 2 is a schematic view of a position adjustment structure according to the present utility model;
FIG. 3 is a schematic view of the structure of the box girder frame of the present utility model;
FIG. 4 is a schematic view of the internal structure of the auxiliary cartridge of the present utility model;
FIG. 5 is a schematic view of the bottom structure of the base of the present utility model;
fig. 6 is an enlarged schematic view of the structure at a of the present utility model.
Reference numerals in the drawings: 1. a base; 2. a moving wheel; 3. a hydraulic cylinder; 4. a butt joint frame; 5. a butt joint block; 6. a position adjustment structure; 601. a slide rail; 602. a slide block; 603. a bottom plate; 7. a box girder frame; 701. a support plate; 702. a baffle; 703. a cylinder; 8. a guide wheel; 9. an auxiliary lever; 10. an auxiliary cylinder; 11. a limit rod; 12. a limiting ring; 13. a limiting wheel; 14. a reinforcing plate; 15. an auxiliary plate; 16. a fixed block; 17. a fixing bolt; 18. a rotating block; 19. notch.
Detailed Description
The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.
The present embodiment is a jig frame structure for manufacturing a steel box girder, having a box girder frame 7 and a base plate 603 for mounting the box girder frame 7.
In this embodiment, the box girder 7 has a support plate 701 mounted on the top surface of the bottom plate 603, wherein the left and right ends of the bottom plate 603 extend to the left and right ends of the support plate 701, and a baffle 702 is rotatably mounted on the front and rear ends of the support plate 701 through a hinge structure, and the left and right ends of the baffle 702 extend to the left and right ends of the support plate 701. An air cylinder 703 for controlling the rotation of the baffle 702 is arranged between the baffle 702 and the bottom plate 603, the fixed end of the air cylinder 703 is rotatably arranged on the bottom plate 603 through a hinge structure, and the telescopic end of the air cylinder 703 is rotatably arranged on the outer side wall of the baffle 702 through a hinge structure. In this way, by adjusting the air intake ratio of the air cylinder 703, the rotation angle between the baffle 702 and the support plate 701 is adjusted, so that the box girder frame 7 is used for mounting box girders of different cross sections.
In this embodiment, a telescopic rod is further disposed between the outer side wall of the baffle 702 and the bottom plate 603, the telescopic rod has an auxiliary cylinder 10 and an auxiliary rod 9, a first end of the auxiliary cylinder 10 is rotatably mounted on the bottom plate 603 through a hinge structure, a second end of the auxiliary cylinder 10 is sleeved on the first end of the auxiliary rod 9, and a second end of the auxiliary rod 9 is rotatably mounted on the outer side wall of the baffle 702 through a hinge structure. A limiting wheel 13 in rolling fit with the auxiliary rod 9 is arranged on the inner wall of the auxiliary cylinder 10, and a limiting ring 12 sleeved outside the auxiliary rod 9 is arranged on the second end of the auxiliary cylinder 10 through a limiting rod 11. Through setting up auxiliary rod 9 and supplementary section of thick bamboo 10, improved the stability of baffle 702 in the use, through setting up gag lever post 11 and spacing ring 12, can carry out spacingly to auxiliary rod 9, improved the stability when auxiliary rod 9 removes, through setting up spacing wheel 13, auxiliary rod 9 of being convenient for removes, changes the sliding friction between auxiliary rod 9 and the supplementary section of thick bamboo 10 into rolling friction, slides for making things convenient for auxiliary rod 9 and supplementary section of thick bamboo 10, reduces the friction, conveniently slides.
In this embodiment, the base plate 603 is mounted on the base 1 by a position adjusting structure 6. The position adjusting structure 6 is provided with a sliding rail 601 which is arranged on the base 1 along the passing direction of the baffle 702, a sliding block 602 is slidably arranged on the sliding rail 601, the bottom plate 603 is fixedly arranged on the sliding block 602, and a guide wheel 8 which is in rolling fit with the surface of the base 1 is also arranged on the bottom surface of the bottom plate 603.
In this embodiment, the end surfaces of the left and right ends of the base 1 are respectively and fixedly provided with a docking frame 4 and a docking block 5, the docking frame 4 is matched with the docking block 5 in shape, and the docking frame 4 and the docking block 5 are respectively provided with mounting holes for mounting the pin rods at corresponding positions. After the butt joint block 5 on the latter base 1 is inserted into the butt joint frame 4 on the former base 1, the two jig frame structures are connected by inserting the pin rod into the mounting hole at the corresponding position of the butt joint block 5 and the butt joint frame 4. The two box girder frames 7 on the connected jig frame structures are spliced to form a longer box girder frame 7. The length of the box girder frame 7 after splicing is adjusted by adjusting the number of the connected jig frame structures, so that the box girder frame is used for manufacturing steel box girders with different lengths.
In this embodiment, moving wheels 2 are mounted on the bottom surface around the base 1, so as to facilitate the movement of the jig frame structure on the ground.
In this embodiment, hydraulic cylinders 3 are installed on the bottom surfaces around the base 1 along the direction perpendicular to the bottom surface of the bottom plate 603. When the telescopic end of the hydraulic cylinder 3 is retracted, the moving wheel 2 mounted on the bottom surface of the bottom plate 603 is in contact with the bottom surface, so that the jig frame structure can be conveniently moved by the moving wheel 2. After the telescopic end of the hydraulic cylinder 3 is extended, the telescopic end of the hydraulic cylinder 3 is supported on the ground and plays a role in lifting the jig frame structure, so that the jig frame structure is lifted, and the contact between the moving wheel 2 on the bottom surface of the bottom plate 603 and the bottom surface is canceled. By adjusting the amount of expansion and contraction of each hydraulic cylinder 3, the support plate 701 mounted on the bottom plate 603 is kept in a horizontal state when the jig frame structure is moved to a non-horizontal ground.
In this embodiment, fixed blocks 16 are fixedly mounted on the side walls of the front and rear sides of the base 1, mounting through holes are formed in the fixed blocks 16 along the vertical direction, fixing bolts 17 in threaded fit with the mounting through holes are mounted in the mounting through holes in the fixed blocks 16, rotating blocks 18 are fixedly mounted on the top ends of the fixing bolts 17, and notches 19 are uniformly formed in the side walls of the rotating blocks 18. So, after moving the bed-jig structure to the suitable position to through card and structural connection with other bed-jig structures, drive the dead bolt 17 through rotating the turning block 18 and rotate, make dead bolt 17 move and finally rotate into ground downwards, realize fixing the bed-jig structure subaerial, avoid taking place the position offset in the case roof beam manufacturing process, in the in-process of rotating turning block 18, notch 19 that sets up on the lateral wall of turning block 18 has increased the frictional force when twisting turning block 18.
In the present embodiment, the reinforcing plate 14 and the auxiliary plates 15 are fixedly mounted on the bottom surface of the base 1, and the two auxiliary plates 15 are respectively disposed at both end positions of the reinforcing plate 14.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (9)
1. A bed-jig structure for steel case roof beam preparation, its characterized in that: the box girder frame (7) is arranged on the bottom plate (603), the box girder frame (7) is provided with a supporting plate (701) fixedly arranged on the bottom plate (603) and baffle plates (702) rotatably arranged on two sides of the supporting plate (701), an angle adjusting structure for adjusting an included angle between the baffle plates (702) and the supporting plate (701) is arranged between the outer side wall of the baffle plates (702) and the bottom plate (603), the bottom plate (603) is adjustably arranged on the base (1) through a position adjusting structure (6), two adjacent bases (1) are locked through a clamp and a structure fixedly arranged on the base (1), the clamp and the structure are arranged on the side wall of the base (1) which is perpendicular to the through length direction of the baffle plates (702), and the number of the bases (1) connected through the clamp and the structure are adjusted and the length of the box girder frame (7) arranged on the bottom plate (603) after being spliced;
a plurality of fixed blocks (16) are fixedly arranged on the outer side of the base (1), mounting through holes are formed in the fixed blocks (16) along the vertical direction, and fixing bolts (17) in threaded fit with the mounting through holes are arranged on the fixed blocks (16).
2. A jig frame structure for manufacturing a steel box girder according to claim 1, wherein: the angle adjusting structure is provided with an adjusting cylinder (703) arranged between the outer side wall of the baffle plate (702) and the bottom plate (603), the telescopic end of the adjusting cylinder (703) is rotatably connected with the baffle plate (702) through a hinge structure, and the fixed end of the adjusting cylinder (703) is rotatably connected with the bottom plate (603) through a hinge structure.
3. A jig frame structure for manufacturing a steel box girder according to claim 1, wherein: the clamp and the structure are provided with a butt joint frame (4) and a butt joint block (5) which are respectively and fixedly arranged on two side walls of the base (1), and mounting holes for mounting the pin rods are respectively formed in the butt joint block (5) and the butt joint frame (4) at corresponding positions.
4. A jig frame structure for manufacturing a steel box girder according to claim 1, wherein: the position adjusting structure (6) is provided with a sliding rail (601) which is arranged on the base (1) along the through length direction of the baffle plate (702), a sliding block (602) is slidably arranged on the sliding rail (601), the bottom plate (603) is fixedly arranged on the sliding block (602), and a guide wheel (8) which is in rolling fit with the surface of the base (1) is further arranged on the bottom surface of the bottom plate (603).
5. A jig frame structure for manufacturing a steel box girder according to claim 1, wherein: a plurality of moving wheels (2) are uniformly arranged on the bottom surface of the base (1).
6. The jig frame structure for manufacturing steel box girders as set forth in claim 5, wherein: a plurality of hydraulic cylinders (3) are uniformly arranged on the bottom surface of the base (1) along the direction perpendicular to the bottom surface of the base (1), the fixed ends of the hydraulic cylinders (3) are fixed on the bottom surface of the base (1), and the telescopic ends of the hydraulic cylinders (3) are contacted with the ground below the bottom plate (603) after extending out and stably support the base (1) on the ground.
7. A jig frame structure for manufacturing a steel box girder according to claim 1, wherein: a rotating block (18) is fixedly arranged at the top end of the fixed bolt (17), and notches (19) are uniformly arranged on the side wall of the rotating block (18).
8. A jig frame structure for manufacturing a steel box girder according to claim 2, wherein: a telescopic rod is further arranged between the outer side wall of the baffle plate (702) and the bottom plate (603), the telescopic rod is provided with an auxiliary cylinder (10) and an auxiliary rod (9), the first end of the auxiliary cylinder (10) is rotatably mounted on the bottom plate (603) through a hinge structure, the second end of the auxiliary cylinder (10) is sleeved on the first end of the auxiliary rod (9), and the second end of the auxiliary rod (9) is rotatably mounted on the outer side wall of the baffle plate (702) through a hinge structure.
9. The jig frame structure for manufacturing steel box girders as set forth in claim 8, wherein: a limiting wheel (13) in rolling fit with the auxiliary rod (9) is arranged on the inner wall of the auxiliary cylinder (10), and a limiting ring (12) sleeved outside the auxiliary rod (9) is arranged at the second end of the auxiliary cylinder (10) through a limiting rod (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320662898.3U CN220312235U (en) | 2023-03-27 | 2023-03-27 | Bed-jig structure for manufacturing steel box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320662898.3U CN220312235U (en) | 2023-03-27 | 2023-03-27 | Bed-jig structure for manufacturing steel box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220312235U true CN220312235U (en) | 2024-01-09 |
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ID=89420789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320662898.3U Active CN220312235U (en) | 2023-03-27 | 2023-03-27 | Bed-jig structure for manufacturing steel box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220312235U (en) |
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2023
- 2023-03-27 CN CN202320662898.3U patent/CN220312235U/en active Active
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