Assembly jig frame for reinforced concrete box girder

Abstract

The utility model discloses a steel-concrete box girder assembly jig frame, which relates to the technical field of steel-concrete box girder assembly and is characterized in that the top of a support frame is connected with a plurality of groups of limiting frames in a sliding manner, a plurality of groups of jacks are respectively positioned on the periphery of the support frame, the top ends of the jacks are fixedly connected with guide rods, and the top ends of the guide rods are fixedly connected with the support frame; the multiple sets of supporting columns are fixedly connected with the bottom end of the jack. The jack drives the guide rod to vertically move upwards so as to abut against the supporting frame to move to the position with the appropriate elevation of the steel-concrete box girders, and when the two steel-concrete box girders are placed on the supporting frame, the phenomenon that the height of the supporting frame is reduced due to the fact that the height of a ship is reduced is avoided; therefore, it is guaranteed that the reinforced concrete box girder is located at the designed elevation position when placed on the supporting frame, then the assembling accuracy of the reinforced concrete box girder is guaranteed, the periphery of the supporting frame can be adjusted through the four sets of jacks, and therefore the supporting frame is located at the horizontal position.

Description

Technical Field

[0001] This utility model relates to the field of steel-concrete box girder assembly technology, specifically to a steel-concrete box girder assembly jig. Background Technology

[0002] Steel-concrete box girder is a new type of structure developed on the basis of steel structure and concrete structure. It mainly uses shear connectors between steel beams and concrete flanges to resist the lifting and relative slippage of the two at the interface, so that they can work together as a whole.

[0003] In existing technology, when steel-concrete box girders are assembled on a river, a prefabricated jig is fixed to the ship's deck with bolts. Two steel-concrete box girders are placed and aligned on the jig, and then workers weld the two steel-concrete box girders together to complete the assembly of the steel-concrete box girder.

[0004] However, when the steel-concrete box girder is placed on the jig, since the jig is prefabricated, and the ship's height will decrease due to the drop in river elevation, the elevation of the steel-concrete box girder will decrease when placed on the jig, thus affecting the normal assembly of the steel-concrete box girder. Utility Model Content

[0005] The purpose of this utility model is to provide a steel-concrete box girder assembly jig to solve the technical problem in the prior art where, when the steel-concrete box girder is placed on the jig, the jig is prefabricated, and the height of the ship will decrease due to the drop in river elevation, resulting in a decrease in the elevation of the steel-concrete box girder when it is placed on the jig, thus affecting the normal assembly of the steel-concrete box girder.

[0006] The technical problem to be solved by this utility model can be achieved through the following technical solution:

[0007] A steel-concrete box girder assembly jig, comprising:

[0008] The support frame has several sets of limiting frames slidably connected to its top;

[0009] The jacks are provided in several groups and are located around the support frame. A guide rod is fixedly connected to the top of the jacks and the top of the guide rod is fixedly connected to the support frame.

[0010] The support column is provided in several groups and is fixedly connected to the bottom end of the jack.

[0011] As a further embodiment of this utility model: a sliding groove is provided on the top of the support frame, a sliding seat is slidably connected to the inner wall of the sliding groove, and the top of the sliding seat is fixedly connected to the limiting frame.

[0012] As a further embodiment of this utility model, the slide block is engaged with the inner wall of the slide groove.

[0013] As a further embodiment of this utility model: a driver is provided at the side end of the slide groove, the driver is fixedly connected to the side end of the support frame, and a telescopic rod is provided between the driver and the slide, with both ends of the telescopic rod being fixedly connected to the driver and the slide respectively.

[0014] As a further embodiment of this utility model, the limiting frame is triangular in shape.

[0015] As a further embodiment of this utility model: a connecting rod is provided between the support column and the support frame, and the upper and lower ends of the connecting rod are respectively hinged to a connecting seat and a fixing seat.

[0016] As a further embodiment of this utility model, the fixing seat is fixedly connected to the side end of the support column.

[0017] As a further embodiment of this utility model: a limiting plate is fixedly connected to the top of the connecting seat, a limiting groove is opened at the bottom of the support frame, and the limiting plate is slidably connected to the inner wall of the limiting groove.

[0018] As a further embodiment of this utility model: the inner wall of the limiting groove is engaged with the limiting plate.

[0019] As a further embodiment of this utility model: fixed seats are respectively provided at both ends of the limiting plate, and bolts are threadedly connected to the inner wall of the fixed seats; connecting grooves are respectively provided at both ends of the support frame, the connecting grooves are interconnected with the limiting grooves, and the bolts pass through the connecting grooves and their side ends are abutted and connected to the support frame.

[0020] The beneficial effects of this utility model are:

[0021] 1. When assembling reinforced concrete box girders on a river, the support columns are fixed to the boat. Jacks fixed at the top of the support columns support the support frame via guide rods. The jacks move vertically upward by driving the guide rods, thereby moving the support frame to the appropriate elevation of the reinforced concrete box girder. When two reinforced concrete box girders are placed on the support frame, this prevents the support frame from lowering due to the boat's reduced height, thus ensuring that the reinforced concrete box girder is placed at the design elevation, thereby ensuring the accuracy of the reinforced concrete box girder assembly. The four sets of jacks can adjust the four sides of the support frame to keep it in a horizontal position.

[0022] 2. To ensure the accuracy of the horizontal position of the reinforced concrete box girder on the support frame, a limiting frame can be moved on the support frame before the box girder is placed on it. Four sets of limiting frames can be set, located on both sides of the support frame. Two sets of limiting frames are set on one side for alignment. The two sets of limiting frames can be moved to a suitable position for the reinforced concrete box girder in advance according to its width. When the reinforced concrete box girder is placed on the support frame along the limiting frames for assembly and welding, the limiting frames can limit and support the two sides of the box girder, thereby ensuring that the box girder will not shift during welding and assembly, thus ensuring the accuracy of the assembly and welding of the reinforced concrete box girder. Attached Figure Description

[0023] The present invention will be further described below with reference to the accompanying drawings.

[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0025] Figure 2 This is a top view of the overall structure of this utility model;

[0026] Figure 3 This is a cross-sectional view (AA) of the overall structure of this utility model;

[0027] Figure 4 This is a cross-sectional view of the overall structure of this utility model (BB).

[0028] Figure 5 For the present utility model Figure 4 Enlarged schematic diagram of the structure at point A;

[0029] Figure 6 This is a schematic diagram showing the position of the connecting rod structure of this utility model.

[0030] In the diagram: 1. Support frame; 2. Driver; 3. Limiting frame; 5. Connecting seat; 6. Connecting rod; 7. Fixed seat; 8. Support column; 9. Jack; 10. Telescopic rod; 11. Slide; 12. Slide groove; 13. Connecting groove; 14. Limiting groove; 15. Limiting plate; 16. Guide rod; 17. Threaded hole; 18. Bolt. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0032] like Figures 1-6As shown, a steel-concrete box girder assembly jig includes: a support frame 1, jacks 9, and support columns 8.

[0033] Several sets of limiting frames 3 are slidably connected to the top of the support frame 1. Several sets of jacks 9 are provided and are located around the support frame 1. A guide rod 16 is fixedly connected to the top of the jack 9. The top of the guide rod 16 is fixedly connected to the support frame 1. Several sets of support columns 8 are provided and are fixedly connected to the bottom of the jacks 9. When the steel-concrete box girder is assembled on the river, the support columns 8 are fixed to the boat. The jacks 9 fixed to the top of the support columns 8 support the support frame 1 through the guide rod 16. The jacks 9 move vertically upward by driving the guide rod 16, thereby supporting the support frame 1 to move to the appropriate elevation position of the steel-concrete box girder. When two steel-concrete box girders are placed on the support frame 1, the phenomenon of the height of the support frame 1 decreasing due to the decrease in the height of the boat is avoided, thereby ensuring that the steel-concrete box girder is placed at the design elevation position when placed on the support frame 1, thus ensuring the accuracy of the steel-concrete box girder assembly. Among them, four sets of jacks 9 can adjust the four sides of the support frame 1, thereby keeping the support frame 1 in a horizontal position.

[0034] To ensure the accuracy of the horizontal position of the steel-concrete box girder on the support frame 1, the limiting frame 3 can be moved on the support frame 1 before the steel-concrete box girder is placed on the support frame 1. Four sets of limiting frames 3 can be set, located on both sides of the support frame 1. Two sets of limiting frames 3 are set on one side for alignment. The two sets of limiting frames 3 can be moved to a suitable position for the steel-concrete box girder in advance according to the width of the steel-concrete box girder. When the steel-concrete box girder is placed on the support frame 1 along the limiting frame 3 for assembly and welding, the limiting frame 3 can limit and support both sides of the steel-concrete box girder, thereby ensuring that the steel-concrete box girder will not shift during welding and assembly, thus ensuring the accuracy of the steel-concrete box girder assembly and welding.

[0035] In some specific implementations, the top of the support frame 1 is provided with a sliding groove 12, and a sliding seat 11 is slidably connected to the inner wall of the sliding groove 12. The top of the sliding seat 11 is fixedly connected to the limiting frame 3, and the sliding seat 11 is engaged with the inner wall of the sliding groove 12. When the limiting frame 3 needs to slide on the support frame 1, the sliding seat 11 slides along the inner wall of the sliding groove 12. The sliding seat 11 carries the limiting frame 3 to move. The sliding seat 11 provides limiting support for the limiting frame 3 by engaging with the inner wall of the sliding groove 12.

[0036] In some specific embodiments, a driver 2 is provided on the side of the slide 12. The driver 2 is fixedly connected to the side of the support frame 1. A telescopic rod 10 is provided between the driver 2 and the slide 11. The two ends of the telescopic rod 10 are fixedly connected to the driver 2 and the slide 11 respectively. In order to provide a driving force for the slide 11 to move on the inner wall of the slide 12, the driver 2 is operated, and the driver 2 drives the telescopic rod 10 to move in extension and retraction. The telescopic rod 10 abuts against the slide 11 to move.

[0037] In some specific implementation schemes, the limiting frame 3 is triangular in shape. The shape of the limiting frame 3 can ensure that when the limiting frame 3 supports the steel-concrete box girder, the limiting frame 3 will not deform due to the assembly and welding of the steel-concrete box girder.

[0038] In some specific implementations, a connecting rod 6 is provided between the support column 8 and the support frame 1. The upper and lower ends of the connecting rod 6 are respectively hinged to the connecting seat 5 and the fixed seat 7. When the support frame 1 is height adjusted, the two ends of the connecting rod 6 will rotate on the fixed seat 7 and the connecting seat 5 respectively as the support frame 1 moves.

[0039] In some specific implementations, the fixing seat 7 is fixedly connected to the side end of the support column 8, and the fixing seat 7 fixes the bottom end of the connecting rod 6 by fixing it to the support column 8.

[0040] In some specific implementations, the top of the connecting seat 5 is fixedly connected to a limiting plate 15, and the bottom of the support frame 1 is provided with a limiting groove 14. The limiting plate 15 is slidably connected to the inner wall of the limiting groove 14, and the inner wall of the limiting groove 14 is engaged with the limiting plate 15. When the top of the connecting rod 6 and the connecting seat 5 rotate, the connecting seat 5 will slide along the inner wall of the limiting groove 14 with the limiting plate 15. The engagement between the inner wall of the limiting groove 14 and the limiting plate 15 can provide limiting support for the connecting seat 5.

[0041] In some specific implementations, the limiting plate 15 has fixing seats 7 at both ends, and bolts 18 are threadedly connected to the inner wall of the fixing seats 7. The support frame 1 has connecting grooves 13 at both ends, and the connecting grooves 13 are connected to the limiting grooves 14. The bolts 18 pass through the connecting grooves 13 and their side ends are abutted against the support frame 1. When the height of the support frame 1 is adjusted, the bolts 18 are passed through the connecting grooves 13 and then connected to the threaded holes 17 by rotation. The bolts 18 fix the limiting plate 15 by abutting against the support frame 1. The limiting plate 15 fixes the top of the connecting rod 6 through the connecting seats 5. The support frame 1, the connecting rod 6 and the support column 8 form a triangle, thereby ensuring the stability of the support frame 1.

[0042] The foregoing has described several embodiments of this utility model in detail, but these embodiments are not limited thereto and should not be considered as limiting the scope of this utility model. All equivalent changes and improvements made within the scope of the claims of this utility model should still fall within the patent coverage of this utility model.

Claims

1. A steel-concrete box girder assembly jig, characterized in that, include: Support frame (1), the top of which is slidably connected with several sets of limiting frames (3); Jack (9), the jack (9) is provided in several groups and is located around the support frame (1) respectively. A guide rod (16) is fixedly connected to the top of the jack (9), and the top of the guide rod (16) is fixedly connected to the support frame (1). Support column (8), the support column (8) is provided in several groups and is fixedly connected to the bottom end of the jack (9).

2. The steel-concrete box girder assembly frame according to claim 1, characterized in that, The support frame (1) has a sliding groove (12) on its top, and a sliding seat (11) is slidably connected to the inner wall of the sliding groove (12). The top of the sliding seat (11) is fixedly connected to the limiting frame (3).

3. The steel-concrete box girder assembly frame according to claim 2, characterized in that, The slide block (11) is engaged with the inner wall of the slide groove (12).

4. The steel-concrete box girder assembly frame according to claim 2, characterized in that, The slide (12) is provided with a driver (2) at one end. The driver (2) is fixedly connected to the side of the support frame (1). A telescopic rod (10) is provided between the driver (2) and the slide (11). The two ends of the telescopic rod (10) are fixedly connected to the driver (2) and the slide (11) respectively.

5. The steel-concrete box girder assembly frame according to claim 2, characterized in that, The limiting frame (3) is triangular in shape.

6. The steel-concrete box girder assembly frame according to claim 1, characterized in that, A connecting rod (6) is provided between the support column (8) and the support frame (1), and the upper and lower ends of the connecting rod (6) are respectively hinged to a connecting seat (5) and a fixing seat (7).

7. The steel-concrete box girder assembly frame according to claim 6, characterized in that, The fixed base (7) is fixedly connected to the side end of the support column (8).

8. The steel-concrete box girder assembly frame according to claim 6, characterized in that, The top of the connecting seat (5) is fixedly connected to a limiting plate (15), and the bottom of the support frame (1) is provided with a limiting groove (14). The limiting plate (15) is slidably connected to the inner wall of the limiting groove (14).

9. A steel-concrete box girder assembly frame according to claim 8, characterized in that, The inner wall of the limiting groove (14) is engaged with the limiting plate (15).

10. A steel-concrete box girder assembly frame according to claim 8, characterized in that, The limiting plate (15) has a fixing seat (7) at both ends. The fixing seat (7) has a bolt (18) threadedly connected to its inner wall. The support frame (1) has a connecting groove (13) at both ends. The connecting groove (13) is connected to the limiting groove (14). The bolt (18) passes through the connecting groove (13) and its side end is abutted against the support frame (1).

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