Auxiliary device for assembling and positioning super-long and super-wide prefabricated steel box girder

Abstract

The utility model belongs to the technical field of assembling of steel box girders, and relates to an auxiliary device for assembling and positioning an ultra-long and ultra-wide prefabricated steel box girder. The device comprises a U-shaped mounting frame, the vertical inner wall of the U-shaped mounting frame is evenly and fixedly connected with a plurality of fixing shafts, the fixing shafts are all rotationally sleeved with supporting rollers, the upper sides of the supporting rollers are located outside the U-shaped mounting frame, the vertical outer wall of the U-shaped mounting frame is evenly and fixedly connected with a plurality of inserting plates, and the inserting plates are arranged on the upper sides of the supporting rollers. Supporting columns are movably arranged outside the multiple inserting plates in a sleeving mode, inserting holes are formed in the vertical side walls, close to the upper ends, of the supporting columns, the inserting plates penetrate through the supporting columns through the inserting holes, inserting pin holes are formed in the multiple inserting plates, and the same inserting pin rod is movably inserted into the inserting pin holes located in the same side; and one end of the bolt rod is fixedly connected with a limiting plate. The device is easy and convenient to operate, and the convenience and accuracy of splicing and positioning of the ultra-long and ultra-wide prefabricated steel box girder are effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel box girder assembly, and relates to an assembly positioning auxiliary device for an extra-long and extra-wide prefabricated steel box girder. Background Art

[0002] Prefabricated steel box girders are a type of structural component commonly used in construction. They are generally used on bridges with larger spans. When in use, multiple prefabricated steel box girders need to be spliced ​​together to form a complete bridge structure. Prefabricated steel box girders are pre-welded and then transported to the construction site for assembly, which can improve the convenience of transportation.

[0003] When existing extra-long and extra-wide prefabricated steel box girders are spliced, the overall weight and volume of the steel box girders are large, which makes it very inconvenient to operate the splicing, resulting in reduced construction efficiency of the steel box girders. Utility Model Content

[0004] The purpose of the utility model is to provide an auxiliary device for assembling and positioning an extra-long and extra-wide prefabricated steel box girder in order to solve the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The cam is fixedly mounted on a U-shaped frame, and the cam is secured to the frame by means of a screw thread and a screw thread which is fixed to the frame by means of a screw thread.

[0007] In the above-mentioned extra-long and extra-wide prefabricated steel box girder assembly positioning auxiliary device, the upper ends of the support columns on the same side are fixedly connected to the same mounting plate, and a mounting groove is provided on the side of the mounting plate away from the support column, and a plurality of rotating rollers are evenly mounted in the mounting groove.

[0008] In the above-mentioned extra-long and extra-wide prefabricated steel box girder assembly and positioning auxiliary device, slots are provided at the lower ends of the plurality of support columns, and rods are movably inserted into the slots. The lower ends of the plurality of rods located on the same side are fixedly connected to the same support seat, and a reinforcement mechanism is connected between the two support seats.

[0009] In the above-mentioned extra-long and extra-wide prefabricated steel box girder assembly positioning auxiliary device, a same triangular rib is fixedly connected between the side wall of the lower side of the U-shaped mounting frame and the vertical side wall of the support column.

[0010] In the above-mentioned extra-long and extra-wide prefabricated steel box girder assembly and positioning auxiliary device, the reinforcement mechanism includes two T-slots symmetrically opened on the side walls on the opposite sides of the two support seats, and T-plates are movably inserted in the two T-slots, and the same reinforcement plate is fixedly connected between the two T-plates.

[0011] In the above-mentioned extra-long and extra-wide prefabricated steel box girder assembly positioning auxiliary device, the screw rod includes a threaded rod movably inserted into the pin hole, one end of the threaded rod is fixedly connected to a stopper, and the diameter of the stopper is larger than the diameter of the pin hole.

[0012] In the above-mentioned extra-long and extra-wide prefabricated steel box girder assembly positioning auxiliary device, the specific shapes of the latch rod and the latch hole are both square.

[0013] In the above-mentioned extra-long and extra-wide prefabricated steel box girder assembly positioning auxiliary device, a plurality of the triangular ribs are provided with hollow holes, and the hollow holes are located in the middle of the triangular ribs.

[0014] In the above-mentioned extra-long and extra-wide prefabricated steel box girder assembly positioning auxiliary device, the two mounting plates are both inclined, and the two mounting plates are distributed in an inverted figure eight shape.

[0015] In the above-mentioned extra-long and extra-wide prefabricated steel box girder assembly positioning auxiliary device, the specific shapes of the insertion rod and the slot are both rectangular, and the lower end of the insertion rod extends out of the slot.

[0016] Compared with the existing technology, the advantages of this utility model are:

[0017] 1. The utility model provides a U-shaped mounting frame, a fixed shaft, a support roller, a plug plate, a support column, a plug hole, a pin hole, a pin rod, a limit plate, a pin hole, a screw and an anti-slip nut. When splicing steel box girders, multiple support columns are put on multiple plug plates, and the support columns are fixed by the pin rod and the screw, thereby completing the rapid assembly of the splicing positioning auxiliary device, hoisting two steel box girders onto the splicing positioning auxiliary device, and pushing the two steel box girders. The multiple support rollers provided can reduce the resistance to the movement of the steel box girders, thereby enabling the two steel box girders to be quickly and accurately docked. The operation is simple and convenient, and effectively improves the convenience and accuracy of splicing and positioning of extra-long and extra-wide prefabricated steel box girders.

[0018] 2. The utility model sets multiple rotating rollers, which can limit and guide the two sides of the steel box girder during splicing without hindering the splicing of the steel box girder, thereby effectively improving the positioning accuracy of the steel box girder during splicing.

[0019] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model when combined with a steel box beam.

[0021] Figure 2 It is a structural diagram of the present utility model.

[0022] Figure 3 It is a structural diagram of the utility model in another direction.

[0023] Figure 4 yes Figure 1 Schematic diagram of the connection structure between the middle U-shaped mounting frame and the mounting plate.

[0024] Figure 5 for Figure 1 Schematic diagram of the connection structure between the middle U-shaped mounting frame and the plug-in board.

[0025] Figure 6 for Figure 1 Schematic diagram of the connection structure between the middle plug plate and the latch rod.

[0026] Figure 7 for Figure 2 Schematic diagram of the structure of the middle latch rod.

[0027] Figure 8 for Figure 1 Schematic diagram of the structure of the middle support column.

[0028] In the figure: 1. U-shaped mounting frame; 2. Fixed shaft; 3. Support roller; 4. Insert plate; 5. Support column; 6. Insert hole; 7. Pin hole; 8. Pin rod; 9. Limit plate; 10. Pin hole; 11. Screw; 12. Anti-slip nut; 13. Mounting plate; 14. Mounting slot; 15. Rotating roller; 16. Slot; 17. Insert rod; 18. Support seat; 19. Triangular rib; 20. T-slot; 21. T-plate; 22. Reinforcement plate; 23. Threaded rod; 24. Stopper; 25. Hollow hole. DETAILED DESCRIPTION

[0029] The present invention will be further described below with reference to the accompanying drawings.

[0030] like Figure 1-8As shown, an auxiliary device for assembling and positioning an extra-long and extra-wide prefabricated steel box girder comprises a U-shaped mounting frame 1, the vertical inner wall of the U-shaped mounting frame 1 is evenly fixedly connected with a plurality of fixed shafts 2, and the outer sides of the plurality of fixed shafts 2 are rotatably sleeved with support rollers 3, the upper sides of the support rollers 3 are located outside the U-shaped mounting frame 1, and the vertical outer wall of the U-shaped mounting frame 1 is evenly fixedly connected with a plurality of plugging plates 4, and the outer sides of the plurality of plugging plates 4 are movably sleeved with support columns 5, and the vertical side walls of the support columns 5 near the upper ends are provided with insertion holes 6, and the plugging plates 4 pass through the support columns 5 through the insertion holes 6, and the plurality of plugging plates 4 are provided with latch holes 7, and the same latch rod 8 is movably inserted into the plurality of latch holes 7 located on the same side, and one end of the latch rod 8 is fixedly connected to a limiting plate 9, and the other end of the latch rod 8 is provided with a pin hole 10, and a screw rod 11 is movably inserted into the pin hole 10, and the rod wall thread sleeve of the screw rod 11 is provided with an anti-slip nut 12.

[0031] In this embodiment, when splicing steel box girders, multiple support columns 5 are put on multiple plug plates 4, and the support columns 5 are fixed by the latch rods 8 and the screws 11, thereby completing the rapid assembly of the splicing positioning auxiliary device, and the two steel box girders are hoisted onto the splicing positioning auxiliary device, and the two steel box girders are pushed. The multiple support rollers 3 provided can reduce the resistance to the movement of the steel box girders, thereby enabling the two steel box girders to be quickly and accurately docked. The operation is simple and convenient, and effectively improves the convenience and accuracy of the splicing and positioning of the extra-long and extra-wide prefabricated steel box girders.

[0032] The upper ends of the support columns 5 on the same side are fixedly connected to a same mounting plate 13 , and a mounting groove 14 is formed on a side of the mounting plate 13 away from the support columns 5 , in which a plurality of rotating rollers 15 are uniformly mounted.

[0033] In the above embodiment, during splicing, the multiple rotating rollers 15 can limit and guide the two sides of the steel box girder without hindering the splicing of the steel box girder, thereby effectively improving the positioning accuracy of the steel box girder during splicing.

[0034] The lower ends of the multiple support columns 5 are each provided with a slot 16, in which an insertion rod 17 is movably inserted. The lower ends of the multiple insertion rods 17 located on the same side are fixedly connected to the same support seat 18, and a reinforcement mechanism is connected between the two support seats 18.

[0035] In the above embodiment, when in use, the insertion rod 17 on the support base 18 is inserted into the slot 16. The provision of the support base 18 can improve the stability of the device placement.

[0036] A triangular rib 19 is fixedly connected between the side wall of the lower side of the U-shaped mounting frame 1 and the vertical side wall of the support column 5 .

[0037] In the above embodiment, the triangular ribs 19 can improve the stability of the connection between the support column 5 and the U-shaped mounting frame 1 .

[0038] The reinforcement mechanism includes two T-slots 20 symmetrically opened on the side walls of the two support seats 18 on opposite sides. A T-plate 21 is movably inserted into each of the two T-slots 20 , and a reinforcement plate 22 is fixedly connected between the two T-plates 21 .

[0039] In this embodiment, when in use, the two T-shaped plates 21 on the reinforcing plate 22 are inserted into the two T-shaped slots 20 , thereby improving the stability of the connection between the two support seats 18 and improving the structural stability of the support seats 18 .

[0040] The screw rod 11 includes a threaded rod 23 movably inserted into the pin hole 10 . One end of the threaded rod 23 is fixedly connected to a stopper 24 . The diameter of the stopper 24 is larger than the diameter of the pin hole 10 .

[0041] In the above embodiment, the threaded rod 23 and the stopper 24 cooperate with each other to prevent the screw rod 11 from falling out of the pin hole 10 .

[0042] The specific shapes of the latch rod 8 and the latch hole 7 are both square, which can improve the matching effect between the latch rod 8 and the latch hole 7.

[0043] A plurality of triangular ribs 19 are each provided with a hollow hole 25 , and the hollow hole 25 is located in the middle of the triangular rib 19 .

[0044] In the above embodiment, the hollow holes 25 can reduce the cost of the triangular ribs 19 .

[0045] The two mounting plates 13 are both tilted and arranged in an inverted figure eight shape.

[0046] In this embodiment, the inverted figure-eight mounting plate 13 can improve the limiting and guiding effect of the rotating roller 15 on the steel box girder, effectively improving the stability and positioning accuracy of the steel box girder during splicing.

[0047] The specific shapes of the insertion rod 17 and the slot 16 are both rectangular, and the lower end of the insertion rod 17 extends out of the slot 16.

[0048] In the above embodiment, the rectangular insertion rod 17 cooperates with the slot 16 , which can improve the cooperation effect between the insertion rod 17 and the slot 16 .

[0049] The working principle of this utility model is:

[0050] When splicing steel box girders, multiple support columns 5 are sleeved on multiple plug plates 4, and the support columns 5 are fixed by the latch rods 8 and the screws 11, thereby completing the rapid assembly of the splicing positioning auxiliary device. The two steel box girders are hoisted onto the splicing positioning auxiliary device, and the two steel box girders are pushed. The multiple support rollers 3 provided can reduce the resistance to the movement of the steel box girders, thereby enabling the two steel box girders to be quickly and accurately docked. The operation is simple and convenient, and effectively improves the convenience and accuracy of splicing and positioning of ultra-long and ultra-wide prefabricated steel box girders.

[0051] During splicing, the multiple rotating rollers 15 can limit and guide the two sides of the steel box beam without hindering the splicing of the steel box beam, thereby effectively improving the positioning accuracy of the steel box beam during splicing.

[0052] After the injection molding is completed, the ejector rod fixing plate 20 is moved, and the ejector rod 21 is driven by the ejector rod 21 to eject the plastic part. During the movement of the ejector rod fixing plate 20, the sliding cooperation between the ejector rod fixing plate 20 and the anti-deflection iron 22 limits the ejector rod fixing plate 20, thereby preventing the ejector rod fixing plate 20 from angular deviation and improving the accuracy of ejection.

[0053] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described, or replace them with similar methods, without departing from the spirit of the present invention.

[0054] Although this document frequently uses terms such as injection lower mold 1, injection upper mold 2, mold locating member 3, molded part cavity 4, molded part protrusion 5, side self-demolding clip assembly 6, side horizontal slider 7, clip groove forming plate 8, slider driving unit 9, linear actuator 10, through-type clip groove forming member 11, fixed abutment seat 12, through-type clip groove forming plate 13, mold locating rod 14, mold locating hole 15, injection molding plate 16, injection molding main hole 17, cooling water pipe 18, fixed plate base 19, ejector rod fixed plate 20, ejector rod 21, anti-deflection iron 22, etc., it does not exclude the possibility of using other terms. The use of these terms is only for the purpose of more conveniently describing and explaining the essence of the present invention. Interpreting them as any additional restrictions is contrary to the spirit of the present invention.

Claims

1. An auxiliary device for assembling and positioning an extra-long and extra-wide prefabricated steel box girder, comprising a U-shaped mounting frame (1), characterized in that: The vertical inner wall of the U-shaped mounting frame (1) is evenly fixedly connected to a plurality of fixed shafts (2), and the plurality of fixed shafts (2) are rotatably sleeved with support rollers (3), and the upper side of the support rollers (3) is located outside the U-shaped mounting frame (1). The vertical outer wall of the U-shaped mounting frame (1) is evenly fixedly connected to a plurality of plug-in plates (4), and the plurality of plug-in plates (4) are movably sleeved with support columns (5), and the vertical side wall of the support column (5) near the upper end is provided with a socket (6), and the plug-in plates ( 4) The support column (5) is penetrated through the insertion hole (6), and a plurality of the plug plates (4) are provided with a pin hole (7), and a same pin rod (8) is movably inserted into the plurality of the pin holes (7) located on the same side, one end of the pin rod (8) is fixedly connected to the limit plate (9), and the other end of the pin rod (8) is provided with a pin hole (10), and a screw rod (11) is movably inserted into the pin hole (10), and a screw rod (11) is provided with an anti-slip nut (12) on the rod wall thread sleeve.

2. The super-long and super-wide prefabricated steel box girder assembly positioning auxiliary device according to claim 1 is characterized in that: The upper ends of the support columns (5) on the same side are fixedly connected to a same mounting plate (13), a mounting groove (14) is provided on a side of the mounting plate (13) away from the support columns (5), and a plurality of rotating rollers (15) are uniformly mounted in the mounting groove (14).

3. The super-long and super-wide prefabricated steel box girder assembly positioning auxiliary device according to claim 2 is characterized in that: The lower ends of the plurality of support columns (5) are each provided with a slot (16), an insertion rod (17) is movably inserted into the slot (16), the lower ends of the plurality of insertion rods (17) located on the same side are fixedly connected to the same support seat (18), and a reinforcement mechanism is connected between the two support seats (18).

4. The super-long and super-wide prefabricated steel box girder assembly positioning auxiliary device according to claim 3 is characterized in that: A common triangular rib (19) is fixedly connected between the side wall on the lower side of the U-shaped mounting frame (1) and the vertical side wall of the support column (5).

5. The super-long and super-wide prefabricated steel box girder assembly positioning auxiliary device according to claim 4 is characterized in that: The reinforcing mechanism comprises two T-shaped slots (20) symmetrically arranged on the side walls of the two supporting seats (18) on opposite sides, a T-shaped plate (21) being movably inserted into each of the two T-shaped slots (20), and a same reinforcing plate (22) being fixedly connected between the two T-shaped plates (21).

6. The super-long and super-wide prefabricated steel box girder assembly positioning auxiliary device according to claim 5 is characterized in that: The screw rod (11) comprises a threaded rod (23) movably inserted into the pin hole (10), one end of the threaded rod (23) is fixedly connected to a stopper (24), and the diameter of the stopper (24) is larger than the diameter of the pin hole (10).

7. The super-long and super-wide prefabricated steel box girder assembly positioning auxiliary device according to claim 6 is characterized in that: The specific shapes of the latch rod (8) and the latch hole (7) are both square.

8. The super-long and super-wide prefabricated steel box girder assembly positioning auxiliary device according to claim 7 is characterized in that: A plurality of the triangular ribs (19) are each provided with a hollow hole (25), and the hollow hole (25) is located in the middle of the triangular rib (19).

9. The super-long and super-wide prefabricated steel box girder assembly positioning auxiliary device according to claim 8, characterized in that: The two mounting plates (13) are both arranged at an angle, and the two mounting plates (13) are distributed in an inverted figure eight shape.

10. The super-long and super-wide prefabricated steel box girder assembly positioning auxiliary device according to claim 9, characterized in that: The specific shapes of the insertion rod (17) and the slot (16) are both rectangular, and the lower end of the insertion rod (17) extends out of the slot (16).

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