Steel box girder splicing and positioning device

Abstract

The utility model provides a steel box girder splicing and positioning device, which relates to the technical field of steel box girders and comprises a moving component, a positioning component and a positioning component. The positioning assembly comprises two workbenches and two steel box girder bodies, the rear surfaces of the two workbenches are fixedly connected with first motors, the output ends of the two first motors movably penetrate through the rear surfaces of the two workbenches and extend to the inner sides, and the output ends of the two first motors are fixedly connected with two-way lead screws. According to the steel box girder body splicing device, the first motor, the two-way lead screw, the guide rod, the moving block, the positioning block, the supporting rod, the pressing block, the hydraulic rod and the mounting plate are used in cooperation, steel box girder bodies of different sizes can be clamped and positioned conveniently, and therefore the steel box girder bodies can be positioned conveniently, and the splicing efficiency of the steel box girder bodies is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel box girders, in particular to a steel box girder splicing and positioning device. Background Art

[0002] Steel box girder, also known as steel plate box girder, is a commonly used structural form for large-span bridges. It is generally made of top plate, bottom plate, web plate, transverse diaphragm, longitudinal diaphragm and stiffening ribs connected by full welding.

[0003] In the prior art, for example, Chinese patent publication number CN217839721U discloses a steel box girder splicing positioning device, which includes a support platform and a positioning upright rod relatively arranged on the top surface of the support platform, the positioning upright rod is used to position the horizontal position of the steel box girder; the top surface of the support platform is provided with a positioning groove between the positioning upright rod, the positioning groove is used to position the steel box girder along the moving direction of the support platform; the positioning upright rod is longitudinally provided with a lower pressing piece which can be lifted and lowered, and the lower pressing piece is used to position the longitudinal position of the steel box girder. The present application has the effect of improving the convenience of positioning and assembling the steel box girder.

[0004] In the above patent, although the convenience of positioning and assembling steel box girders can be improved, when positioning steel box girders of different sizes, it is necessary to unscrew the bolts and then adjust the position of the positioning slide, which is inconvenient and reduces work efficiency. Therefore, a steel box girder splicing and positioning device is proposed. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the above patent that although the convenience of positioning and assembling steel box girders can be improved, when positioning steel box girders of different sizes, it is necessary to unscrew the bolts and then adjust the position of the positioning slide, which is inconvenient and reduces the work efficiency. A steel box girder splicing and positioning device is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a steel box girder splicing and positioning device, comprising: a moving component, a positioning component is arranged on the upper surface of the moving component; the positioning component comprises two workbenches and two steel box girder bodies, the rear surfaces of the two workbenches are fixedly connected with a first motor, and the output ends of the two first motors are movably penetrated through the rear surfaces of the two workbenches and extend to the inner side, the output ends of the two first motors are fixedly connected with a bidirectional screw rod, the outer surfaces of the two bidirectional screw rods are symmetrically threaded with moving blocks, the tops of the multiple moving blocks are fixedly connected with positioning blocks, the tops of the multiple positioning blocks are symmetrically fixedly connected with support rods, the multiple support rods are divided into four groups, the tops of the four groups of support rods are fixedly connected with mounting plates, the tops of the four mounting plates are fixedly connected with hydraulic rods, the driving ends of the four hydraulic rods are movably penetrated through the outer surface of the mounting plate, and the driving ends of the four hydraulic rods are fixedly connected with pressure blocks.

[0007] Preferably, the bottom center positions of the two steel box girder bodies are fixedly connected to limiting blocks, the tops of the two workbenches are provided with limiting grooves, the two limiting grooves are matched with the two limiting blocks, and the ends of the two bidirectional screw rods away from the first motor are rotatably connected to the inner walls of one side of the two workbenches.

[0008] Preferably, the inner surfaces of the two workbenches are fixedly connected with guide rods, and the outer surfaces of the two guide rods are movably penetrated with the outer surfaces of the plurality of moving blocks respectively.

[0009] Preferably, the moving component includes a support table, and a second motor is fixedly connected to an outer surface of one side of the support table, and the second motor movably penetrates the outer surface of the support table and extends to the inner side.

[0010] Preferably, the output end of the second motor is fixedly connected to a threaded rod, and the outer surface of the threaded rod is threadedly connected to a movable seat.

[0011] Preferably, auxiliary rods are symmetrically fixedly connected to the inner surface of the support platform, and the two auxiliary rods are movably penetrated by the movable seat. The four corners of the bottom of the support platform are fixedly connected to the base, and the end of the threaded rod away from the second motor is rotatably connected to the inner wall of one side of the support platform.

[0012] Preferably, the bottom of one of the workbenches is fixedly connected to the top of the support platform, and the bottom of the other workbench is fixedly connected to the top of the movable seat.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, by using the first motor, the bidirectional screw rod, the guide rod, the moving block, the positioning block, the support rod, the pressure block, the hydraulic rod and the mounting plate in combination, it is convenient to clamp and position the steel box girder bodies of different sizes, thereby facilitating the positioning of the steel box girder bodies and improving the splicing efficiency of the steel box girder bodies.

[0015] 2. In the utility model, the second motor, the threaded rod, the auxiliary rod and the movable seat are used in combination to facilitate the docking of the two steel box girder bodies, and then the two steel box girder bodies are welded and fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A stereoscopic diagram of a steel box girder splicing and positioning device is proposed for the utility model;

[0017] Figure 2 A partial structural development diagram of a steel box girder splicing and positioning device is proposed for the utility model;

[0018] Figure 3 A schematic diagram of the working table structure of a steel box beam splicing and positioning device is provided for the utility model;

[0019] Figure 4 The utility model provides a structural schematic diagram of a moving component of a steel box girder splicing and positioning device.

[0020] Legend: 1. Positioning assembly; 101. Support rod; 102. Pressure block; 103. Hydraulic rod; 104. Mounting plate; 105. Positioning block; 106. Workbench; 107. Steel box girder body; 108. Limit block; 109. Limit groove; 110. Bidirectional screw rod; 111. First motor; 112. Moving block; 113. Guide rod; 2. Moving assembly; 201. Support table; 202. Second motor; 203. Base; 204. Moving seat; 205. Auxiliary rod; 206. Threaded rod. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] Embodiment 1, as Figure 1-Figure 4As shown, the utility model provides a steel box beam splicing positioning device, comprising: a moving component 2, a positioning component 1 is arranged on the upper surface of the moving component 2; the positioning component 1 comprises two workbenches 106 and two steel box beam bodies 107, the rear surfaces of the two workbenches 106 are fixedly connected with first motors 111, and the output ends of the two first motors 111 are movably penetrated through the rear surfaces of the two workbenches 106 and extend to the inner side, the output ends of the two first motors 111 are fixedly connected with bidirectional screw rods 110, the outer surfaces of the two bidirectional screw rods 110 are symmetrically threaded with moving blocks 112, the tops of the multiple moving blocks 112 are fixedly connected with positioning blocks 105, the tops of the multiple positioning blocks 105 are symmetrically fixedly connected with support rods 101, and the multiple support rods 101 are divided into four groups, and the four groups of support rods 101 The tops of the four mounting plates 104 are fixedly connected with mounting plates 104, the tops of the four mounting plates 104 are fixedly connected with hydraulic rods 103, the driving ends of the four hydraulic rods 103 are movably penetrated with the outer surface of the mounting plate 104, the driving ends of the four hydraulic rods 103 are fixedly connected with pressure blocks 102, the bottom center positions of the two steel box girder bodies 10707 are fixedly connected with limiting blocks 108, the tops of the two workbenches 106 are provided with limiting grooves 109, the two limiting grooves 109 are matched with the two limiting blocks 108, the ends of the two bidirectional screw rods 110 away from the first motor 111 are rotatably connected with the inner walls of one side of the two workbenches 106, the inner surfaces of the two workbenches 106 are fixedly connected with guide rods 113, and the outer surfaces of the two guide rods 113 are movably penetrated with the outer surfaces of multiple moving blocks 112 respectively.

[0024] The effect achieved by the entire embodiment 1 is that when the steel box girder body 107 needs to be welded and spliced, one of the steel box girder bodies 107 is placed on the workbench 106, and the limit block 108 is accurately inserted into the limit groove 109, the steel box girder body 107 is placed on the workbench 106, and then the first motor 111 is started to rotate the bidirectional screw rod 110, and the guide rod 113 is used to make the two moving blocks 112 move synchronously relative to each other due to the rotation of the bidirectional screw rod 110, so that the two positioning blocks 105 move, and the two moving blocks 112 are connected to the workbench 106. The two sides of the steel box girder body 107 are clamped and positioned by two positioning blocks 105, and then the hydraulic rod 103 is started to move the driving end of the hydraulic rod 103 downward, so that the two pressing blocks 102 move downward, and the top of the steel box girder body 107 is moved downward by the two pressing blocks 102, and the top of the steel box girder body 107 is pressed and positioned, and then the other steel box girder body 107 is fixed on another workbench 106 according to the above operation to complete the positioning, thereby facilitating the positioning of steel box girder bodies 107 of different sizes, and having high practicality.

[0025] Embodiment 2, as Figure 1-Figure 4As shown, the moving component 2 includes a support table 201, a second motor 202 is fixedly connected to the outer surface of one side of the support table 201, and the second motor 202 and the outer surface of the support table 201 are movably penetrated and extended to the inner side, the output end of the second motor 202 is fixedly connected to a threaded rod 206, the outer surface of the threaded rod 206 is threadedly connected to a moving seat 204, the inner surface of the support table 201 is symmetrically fixedly connected to auxiliary rods 205, and the two auxiliary rods 205 are movably penetrated with the moving seat 204, the four corners of the bottom of the support table 201 are fixedly connected to the base 203, and one end of the threaded rod 206 away from the second motor 202 is rotatably connected to the inner wall of one side of the support table 201, the bottom of one workbench 106 is fixedly connected to the top of the support table 201, and the bottom of the other workbench 106 is fixedly connected to the top of the moving seat 204.

[0026] The effect achieved by the entire embodiment 2 is that when the two steel box girder bodies 107 are fixed on the two workbenches 106, the second motor 202 can be started to rotate the threaded rod 206, so as to cooperate with the auxiliary rod 205 to make the movable seat 204 move horizontally along the threaded rod 206, thereby driving one of the workbenches 106 to move, so that the two steel box girder bodies 107 are connected, and then the two steel box girder bodies 107 are welded and fixed.

[0027] Working principle: When the steel box girder body 107 needs to be welded and spliced, one of the steel box girder bodies 107 is placed on the workbench 106, and the limit block 108 is accurately inserted into the limit groove 109, and the steel box girder body 107 is placed on the workbench 106, and then the first motor 111 is started to rotate the bidirectional screw rod 110, and used in conjunction with the guide rod 113, so that the two moving blocks 112 are synchronously moved relative to each other due to the rotation of the bidirectional screw rod 110, so that the two positioning blocks 105 are moved, and the two sides of the steel box girder body 107 are clamped and positioned by the two positioning blocks 105, and then the hydraulic rod 103 is started to make the hydraulic rod 103 move. The driving end of 3 moves downward, so that the two pressing blocks 102 move downward, and the top of the steel box beam body 107 is moved downward by the two pressing blocks 102, and the top of the steel box beam body 107 is pressed and positioned, and then the other steel box beam body 107 is fixed on another workbench 106 according to the above operation, and the positioning is completed, and the second motor 202 can be started to rotate the threaded rod 206, so as to cooperate with the auxiliary rod 205 to make the moving seat 204 move horizontally along the threaded rod 206, thereby driving one of the workbenches 106 to move, so that the two steel box beam bodies 107 are connected, and then the two steel box beam bodies 107 are welded and fixed.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A steel box girder splicing positioning device, characterized in that: include: A moving component (2), wherein a positioning component (1) is arranged on an upper surface of the moving component (2); The positioning assembly (1) comprises two workbenches (106) and two steel box beam bodies (107); the rear surfaces of the two workbenches (106) are fixedly connected to first motors (111); the output ends of the two first motors (111) are movably connected to the rear surfaces of the two workbenches (106) and extend to the inner side; the output ends of the two first motors (111) are fixedly connected to bidirectional screw rods (110); the outer surfaces of the two bidirectional screw rods (110) are symmetrically threadedly connected to moving blocks (112); and the plurality of moving blocks (112) are connected to the plurality of moving blocks (112). The tops of the plurality of positioning blocks (105) are fixedly connected thereto, the tops of the plurality of positioning blocks (105) are symmetrically fixedly connected thereto with support rods (101), the plurality of support rods (101) are divided into four groups, the tops of the four groups of support rods (101) are fixedly connected thereto with mounting plates (104), the tops of the four mounting plates (104) are fixedly connected thereto with hydraulic rods (103), the driving ends of the four hydraulic rods (103) are movably penetrated through the outer surface of the mounting plate (104), and the driving ends of the four hydraulic rods (103) are fixedly connected thereto with pressure blocks (102).

2. The steel box girder splicing and positioning device according to claim 1 is characterized in that: The bottom center positions of the two steel box girder bodies (107) are fixedly connected to limit blocks (108), the tops of the two workbenches (106) are provided with limit grooves (109), the two limit grooves (109) and the two limit blocks (108) are matched with each other, and the ends of the two bidirectional screw rods (110) away from the first motor (111) are rotatably connected to the inner walls of one side of the two workbenches (106).

3. The steel box girder splicing and positioning device according to claim 2 is characterized in that: The inner surfaces of the two workbenches (106) are fixedly connected with guide rods (113), and the outer surfaces of the two guide rods (113) are movably connected with the outer surfaces of the plurality of moving blocks (112).

4. The steel box girder splicing and positioning device according to claim 3 is characterized in that: The moving component (2) comprises a support platform (201), a second motor (202) being fixedly connected to an outer surface of one side of the support platform (201), and the second motor (202) movably penetrates the outer surface of the support platform (201) and extends to the inner side.

5. The steel box girder splicing and positioning device according to claim 4 is characterized in that: The output end of the second motor (202) is fixedly connected to a threaded rod (206), and the outer surface of the threaded rod (206) is threadedly connected to a moving seat (204).

6. The steel box girder splicing and positioning device according to claim 5, characterized in that: The inner surface of the support platform (201) is symmetrically fixedly connected with auxiliary rods (205), and the two auxiliary rods (205) are movably connected with the movable seat (204). The four corners of the bottom of the support platform (201) are fixedly connected with a base (203), and one end of the threaded rod (206) away from the second motor (202) is rotatably connected to the inner wall of one side of the support platform (201).

7. The steel box girder splicing and positioning device according to claim 6, characterized in that: The bottom of one of the workbenches (106) is fixedly connected to the top of the support platform (201), and the bottom of the other workbench (106) is fixedly connected to the top of the moving seat (204).

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