Asynchronous construction hanging basket structure for combined box girder bridge of expressway

Abstract

The utility model provides an expressway combined box girder bridge asynchronous construction hanging basket structure, which comprises a guide rail, the cross section of the guide rail is I-shaped, the two ends of the guide rail are provided with assembling mechanisms, and each assembling mechanism comprises a first inserting block and a second inserting block. Through mutual insertion connection between a first insertion block and a first insertion groove and mutual insertion connection between a second insertion block and a second insertion groove, the guide rails can be conveniently spliced, the guide rails can be fixedly installed on a solidified bridge section through fixing holes, bolts and the like according to the construction position, so that the movable frame can move along the guide rails under the action of a servo motor, a gear and a rack, and the construction efficiency is improved. The movable frame drives the supporting frame, the inhaul cable and the hanging frame to move and be adjusted to the construction position, the whole structure does not need to be disassembled and then assembled, operation is convenient, and therefore the use efficiency of the box girder bridge can be improved; and the stability between the guide rails can be improved by installing pins in the pin holes, and the racks can be conveniently spliced.

Description

Technical Field

[0001] The utility model relates to the technical field of asynchronous construction hanging baskets, in particular to an asynchronous construction hanging basket structure for a combined box beam bridge of a highway. Background Art

[0002] During the construction of expressways, if a bridge is needed across a river, the expressway can be extended. The bridges used in expressways are usually composite box girder bridges, which have light weight, high bending and torsional stiffness, and high load-bearing capacity. The asynchronous construction hanging basket is a device used in the construction of box girder bridges. It is usually used to cast the No. 0 bridge section on the piers, and then install the asynchronous construction hanging basket at both ends of the No. 0 bridge section to extend the No. 0 bridge section to both ends.

[0003] The Chinese utility model patent with announcement number CN217266979U proposes a combined asynchronous construction hanging basket, including a base and a support frame, the front and rear ends of the base are both provided with moving grooves, the upper end of the base is provided with a slider, the upper end of the slider is slidably connected with an adjustment frame, and the upper end of the adjustment frame is provided with an adjustment groove; the motor at the base drives the lead screw to rotate, so that the connecting plate at the moving block drives the adjustment frame to move on the slider, so as to relatively adjust the use position of the support frame, so as to improve the convenience of operation, reduce the construction intensity, and improve the construction efficiency. However, during the construction of the box girder bridge, the construction will gradually extend to both sides of the No. 0 bridge section. The moving distance of this asynchronous construction hanging basket is limited. During the construction of the farther bridge section, it needs to be disassembled and fixed, which is inconvenient to operate and reduces the construction efficiency of the box girder bridge.

[0004] To this end, the utility model provides an asynchronous construction hanging basket structure for a combined box girder bridge of a highway. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model aims to provide an asynchronous construction hanging basket structure for a combined box girder bridge on a highway to solve the problems raised in the above-mentioned background technology. The utility model arranges guide rails that can be spliced ​​with each other, and can install the guide rails on the solidified bridge section according to the construction position, so that the movable frame can move along the guide rails under the action of the servo motor, gears and racks, and there is no need to disassemble and reinstall the entire structure, thereby improving the utilization efficiency of the box girder bridge.

[0006] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: an asynchronous construction hanging basket structure of a highway composite box girder bridge, including a guide rail, the cross-sectional shape of the guide rail is an I-shape, and an assembling mechanism is arranged at both ends of the guide rail, and the assembling mechanism includes a first plug block and a second plug block, the first plug block and the second plug block are fixedly arranged at the top and bottom of one end of the guide rail, and the top and the bottom of the other end of the guide rail are respectively provided with a first slot and a second slot, and a moving frame is arranged at the top of the guide rail through a driving mechanism, and the cross-sectional shape of the moving frame is a "U" shape, and the two ends of the moving frame are arranged on both sides of the guide rail, and a supporting frame is fixedly arranged at the top of the moving frame.

[0007] Furthermore, the two guide rails are spliced ​​and installed with each other through an assembling mechanism, the first plug-in block is plug-in installed inside the first slot, and the second plug-in block is plug-in installed inside the second slot.

[0008] Furthermore, a pin hole is vertically opened inside the first slot, a pin hole is opened inside the first insert block, and a pin is installed inside the pin hole.

[0009] Furthermore, the driving mechanism includes a servo motor, a gear and a rack, and the rack is fixedly arranged at the bottom of the inner side of the guide rail.

[0010] Furthermore, the servo motor is fixedly arranged on the outer wall of one end of the moving frame, and the gear is fixedly mounted on the output shaft of the servo motor.

[0011] Furthermore, the gear is meshed and arranged on the top of the rack, and the gear is arranged inside the moving frame.

[0012] Furthermore, fixing holes are symmetrically provided on both sides of the bottom end of the guide rail, and a cross bar is fixedly installed between the two ends of the movable frame.

[0013] Furthermore, a support rod is fixedly installed between one end of the support frame and the mobile frame, one end of the support frame is arranged parallel to the mobile frame, cables are fixedly arranged on both sides of one end of the support frame, and a hanging bracket is fixedly arranged at the bottom end of the cable.

[0014] The beneficial effects of the utility model: the utility model is an asynchronous construction hanging basket structure of a combined box girder bridge on a highway, which is mutually plugged in through the first plug block and the first slot, and the second plug block and the second slot, so that the guide rails can be conveniently spliced, and the guide rails can be fixedly installed on the solidified bridge section through fixing holes and bolts according to the construction position, so that the movable frame can move along the guide rails under the action of the servo motor, gears and racks, and the movable frame drives the support frame, cables and hanging frame to move and adjust to the construction position, and there is no need to disassemble and reinstall the entire structure, which is easy to operate, thereby improving the use efficiency of the box girder bridge; by installing pins inside the pin holes, the stability between the guide rails can be improved, and the splicing between the racks is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of an asynchronous construction hanging basket structure for a combined box girder bridge on a highway according to the utility model;

[0016] Figure 2 It is a front cross-sectional view of an asynchronous construction hanging basket structure of a combined box girder bridge on a highway according to the utility model;

[0017] Figure 3 This is a guide rail structure diagram of an asynchronous construction hanging basket structure of a combined box girder bridge on a highway of the utility model;

[0018] In the figure: 1. guide rail; 2. movable frame; 3. support frame; 4. cross bar; 5. support rod; 6. cable; 7. hanger; 8. servo motor; 9. gear; 10. rack; 11. first plug-in block; 12. second plug-in block; 13. first slot; 14. second slot; 15. fixing hole. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] See also Figures 1 to 3The utility model provides a technical solution: an asynchronous construction hanging basket structure of a combined box girder bridge of a highway, comprising a guide rail 1, the cross-sectional shape of the guide rail 1 is an I-shaped, and an assembling mechanism is arranged at both ends of the guide rail 1, the assembling mechanism comprises a first plug block 11 and a second plug block 12, the first plug block 11 and the second plug block 12 are fixedly arranged at the top and the bottom of one end of the guide rail 1, and the top and the bottom of the other end of the guide rail 1 are respectively provided with a first slot 13 and a second slot 14, and a moving frame 2 is arranged at the top of the guide rail 1 through a driving mechanism, and the cross-sectional shape of the moving frame 2 is a "U" shape, and the two ends of the moving frame 2 are arranged at both sides of the guide rail 1, and a supporting frame 3 is fixedly arranged at the top of the moving frame 2, and the first plug block 11 and the first slot 13, the second plug block 12 and the second slot 14 are mutually plugged in, so that the guide rails 1 can be spliced ​​and installed at the top of the bridge section after construction, so that the moving frame 2 is driven by the driving mechanism to move, and there is no need to disassemble and move the structure, which is convenient to operate and has high practicality.

[0021] In this embodiment, the two guide rails 1 are connected and installed with each other through an assembly mechanism, the first plug block 11 is plugged and installed in the first slot 13, and the second plug block 12 is plugged and installed in the second slot 14. A pin hole is vertically opened inside the first slot 13, and a pin hole is opened inside the first plug block 11. A pin is installed inside the pin hole. The first plug block 11, the first slot 13, the second plug block 12, and the second slot 14 can be plugged and fixed to each other, which is convenient for splicing and fixing the guide rails 1. At the same time, the guide rails 1 can be positioned to facilitate the subsequent splicing of the racks 10.

[0022] In this embodiment, the driving mechanism includes a servo motor 8, a gear 9 and a rack 10, the rack 10 is fixedly arranged at the bottom of the inner side of the guide rail 1, the servo motor 8 is fixedly arranged on the outer wall of one end of the mobile frame 2, the gear 9 is fixedly installed on the output shaft of the servo motor 8, the gear 9 is meshingly arranged at the top of the rack 10, and the gear 9 is arranged inside the mobile frame 2. The servo motor 8 drives the gear 9 to rotate, and the meshing action of the gear 9 and the rack 10 can drive the mobile frame 2 to move on the top of the guide rail 1, which is convenient for the subsequent movement of the cable 6 and the bracket 7 through the support frame 3.

[0023] In this embodiment, fixing holes 15 are symmetrically provided on both sides of the bottom end of the guide rail 1, a cross bar 4 is fixedly installed between the two ends of the mobile frame 2, a support rod 5 is fixedly installed between one end of the support frame 3 and the mobile frame 2, one end of the support frame 3 is arranged parallel to the mobile frame 2, and cables 6 are fixedly provided on both sides of one end of the support frame 3, and a hanger 7 is fixedly provided at the bottom end of the cable 6. The fixing holes 15 are used to facilitate fixing of the guide rail 1, which can improve the stability of the guide rail 1, and the support for the support frame 3 can be increased through the support rod 5 to improve its stability.

[0024] When the asynchronous construction hanging basket structure of the combined box girder bridge of the expressway is used, holes are opened at the corresponding positions at both ends of the top of the No. 0 bridge section, and the guide rail 1 is fixed to the top of the No. 0 bridge section through bolts and fixing holes 15, and the mobile frame 2 is installed on the top of the guide rail 1. The mobile frame 2 drives the support frame 3, the cable 6 and the hanging frame 7 to be set at both ends of the No. 0 bridge section. According to the shape of the designed box girder bridge, a template of a corresponding shape is installed on the hanging frame 7 and cast and molded. After the cast bridge section solidifies, the two guide rails 1 are taken and plugged into each other through the first plug block 11 and the first slot 13, and the second plug block 12 and the second slot 14, so that the guide rails 1 can be connected. They are spliced ​​with each other and pins are installed inside the pin holes, so that the guide rails 1 can be fixed. The two guide rails 1 are fixed to the top of the newly cast bridge section through the fixing holes 15 and bolts. The racks 10 between the guide rails 1 are in the same straight line. The servo motor 8 is energized, and the servo motor 8 drives the gear 9 to rotate. Since the gear 9 and the rack 10 are meshed, the movable frame 2 is driven to move on the guide rail 1 through the action of the gear 9 and the rack 10. The movable frame 2 drives the support frame 3, the cable 6 and the hanger 7 to move and adjust to the construction position. There is no need to disassemble and reinstall the entire structure, and the operation is convenient, thereby improving the utilization efficiency of the box girder bridge.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An asynchronous construction hanging basket structure for a highway composite box girder bridge, comprising a guide rail (1), characterized in that: The guide rail (1) has an I-shaped cross section. Both ends of the guide rail (1) are provided with an assembly mechanism, the assembly mechanism comprising a first plug-in block (11) and a second plug-in block (12). The first plug-in block (11) and the second plug-in block (12) are fixedly arranged at the top and bottom of one end of the guide rail (1). The top and the bottom of the other end of the guide rail (1) are respectively provided with a first slot (13) and a second slot (14). The top of the guide rail (1) is provided with a moving frame (2) through a driving mechanism. The moving frame (2) has a "U"-shaped cross section. Both ends of the moving frame (2) are arranged on both sides of the guide rail (1). A support frame (3) is fixedly arranged on the top of the moving frame (2).

2. The asynchronous construction hanging basket structure of a highway composite box girder bridge according to claim 1, characterized in that: The two guide rails (1) are connected and installed with each other through an assembly mechanism, the first plug-in block (11) is plug-in installed inside the first slot (13), and the second plug-in block (12) is plug-in installed inside the second slot (14).

3. The asynchronous construction hanging basket structure of a highway composite box girder bridge according to claim 2, characterized in that: A pin hole is vertically opened inside the first slot (13), a pin hole is opened inside the first insert block (11), and a pin is installed inside the pin hole.

4. The asynchronous construction hanging basket structure for a highway composite box girder bridge according to claim 1, characterized in that: The driving mechanism comprises a servo motor (8), a gear (9) and a rack (10), and the rack (10) is fixedly arranged at the bottom of the inner side of the guide rail (1).

5. The asynchronous construction hanging basket structure for a highway composite box girder bridge according to claim 4, characterized in that: The servo motor (8) is fixedly arranged on the outer wall of one end of the moving frame (2), and the gear (9) is fixedly mounted on the output shaft of the servo motor (8).

6. The asynchronous construction hanging basket structure for a highway composite box girder bridge according to claim 5, characterized in that: The gear (9) is meshed with the top of the rack (10), and the gear (9) is arranged inside the moving frame (2).

7. The asynchronous construction hanging basket structure for a highway composite box girder bridge according to claim 1, characterized in that: Fixing holes (15) are symmetrically provided on both sides of the bottom end of the guide rail (1), and a cross bar (4) is fixedly installed between the two ends of the movable frame (2).

8. The asynchronous construction hanging basket structure for a highway composite box girder bridge according to claim 7, characterized in that: A support rod (5) is fixedly installed between one end of the support frame (3) and the movable frame (2); one end of the support frame (3) is arranged parallel to the movable frame (2); cables (6) are fixedly arranged on both sides of one end of the support frame (3); and a hanging bracket (7) is fixedly arranged at the bottom end of the cables (6).

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