Steel plate welding device for steel box girder construction

Abstract

The utility model particularly relates to a steel plate welding device for steel box girder construction, which belongs to the technical field of steel plate welding equipment and comprises a welding workbench, steel plate supporting blocks are arranged on the upper surfaces of two ends of the welding workbench, steel plate bodies are arranged on the upper surfaces of the steel plate supporting blocks, and welding supporting plates are symmetrically arranged on two sides of the upper surface of the welding workbench. A clamping supporting plate is arranged between the welding supporting plates, one end of a steel plate body is arranged on the upper surface of the clamping supporting plate, clamping plates used for clamping the steel plate body are arranged at the two ends of the clamping supporting plate correspondingly, grinding grooves are formed in the surfaces of one sides of the welding supporting plates on the two sides correspondingly, and rolling grinding assemblies are jointly arranged in the grinding grooves in an inserted mode. According to the device, the steel plate can be tightly welded, so that the stability of a worker during welding is improved, meanwhile, the welding part of the steel plate can be efficiently polished, and the welding efficiency of the worker is improved.

Description

Technical Field

[0001] The utility model specifically relates to a steel plate welding device for steel box girder construction, belonging to the technical field of steel plate welding equipment. 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 used on bridges with larger spans. It is called a steel box girder because it looks like a box. When splicing steel plates, a steel plate welding device is required.

[0003] In the prior art, when welding steel plates, workers need to hold welding equipment to press and weld the steel plates. However, when the workers weld the steel plates, if the steel plates are not tightly butted, the welding gap of the steel plates may be larger, resulting in poor welding effect. At the same time, when the workers weld the steel plates, if the surface of the steel plates is rusted, it may affect the workers' welding efficiency. Therefore, in view of the above problems, a steel plate welding device for steel box girder construction is proposed. Utility Model Content

[0004] The utility model aims to solve the deficiencies of the prior art and provide a steel plate welding device for steel box girder construction, so as to achieve the purpose of pressing and butting the steel plates when welding them and polishing the rusty surfaces of the steel plates at the same time.

[0005] The utility model achieves the above-mentioned purpose through the following technical scheme: a steel plate welding device for steel box girder construction, comprising a welding workbench, steel plate support blocks are arranged on the upper surfaces of both ends of the welding workbench, and steel plate bodies are arranged on the upper surfaces of the steel plate support blocks. Welding support plates are symmetrically arranged on both sides of the upper surface of the welding workbench, and clamping support plates are arranged between the welding support plates. One end of the steel plate body is arranged on the upper surface of the clamping support plate, and clamping plates for clamping the steel plate body are arranged on both ends of the clamping support plate. Grinding grooves are opened on one side surface of the welding support plates on both sides, and rolling grinding assemblies are commonly inserted in the grinding grooves, and the rolling grinding assembly includes a grinding roller. A welding frame is fixedly installed between the welding support plates on both sides, and a retractable and movable welding machine body is arranged below the welding frame.

[0006] Furthermore, in order to limit one end of the steel plate body, the upper surface of the steel plate support block is evenly provided with end stabilizing grooves, and a stabilizing plate is inserted in the end stabilizing groove, and the stabilizing plate and one end of the steel plate body are tightly fitted to each other.

[0007] Furthermore, in order to enable the clamping bidirectional screw to rotate, a clamping groove is provided on the upper surface of the clamping support plate, and a clamping bidirectional screw rotates in the clamping groove. The clamping plates are symmetrically arranged at both ends of the clamping groove, and a threaded hole is provided on the lower end surface of the clamping plate. The clamping plate and the clamping bidirectional screw are meshed with each other, and a clamping motor is fixedly installed at one end of the clamping bidirectional screw, and the clamping motor is fixedly installed on the outer wall of the bottom end of one side of the welding support plate.

[0008] Furthermore, in order to limit the disassembly frame, the rolling grinding assembly also includes a disassembly frame, both ends of the disassembly frame are inserted into the grinding groove, a spring groove is provided on the top wall of the grinding groove, a positioning spring is provided in the spring groove, a wedge-shaped clamping block is provided at one end of the positioning spring, and positioning grooves are provided on the top surfaces of both ends of the disassembly frame.

[0009] Furthermore, in order to rotate the rolling gear, a rolling rack is provided in the disassembly frame, a rolling gear is provided below one end of the disassembly frame, the rolling gear and the rolling rack are meshed with each other, and a rolling hub motor is inserted in the rolling gear.

[0010] Furthermore, in order to limit the rolling hub motor, limiting rods are fixedly installed at both ends of the central axis of the rolling hub motor, and limiting grooves are provided on both side outer walls of the disassembly frame, and the limiting rods and the limiting grooves are slidably engaged with each other.

[0011] Furthermore, in order to limit the grinding roller, grinding frames are fixedly installed at both ends of the central axis of the rolling hub motor, and a grinding hub motor with a circumferential outer surface sleeved with the grinding roller is fixedly installed between the grinding frames.

[0012] Furthermore, in order to be able to perform mobile welding on the gaps between the symmetrically arranged steel plate bodies of the device, a reciprocating screw is rotatably installed in the welding frame, one end of the reciprocating screw passes through one end of the welding support plate along one end of the welding frame and is fixedly installed with an adjusting motor, the adjusting motor is fixedly installed on one side outer wall of the welding support plate, a moving frame is sleeved and meshed on the outer surface of the reciprocating screw, a telescopic cylinder is arranged in the moving frame, and one end of the telescopic cylinder is fixedly connected to the welding machine body.

[0013] The beneficial effects of the utility model are as follows: the device can increase the stability of the steel plates during welding, and at the same time, the welding parts of the steel plate body can be pre-grinded through the cooperation of the structure inside the rolling grinding assembly, thereby improving the welding efficiency of the staff. At the same time, the device can replace manual welding of steel plates, and the welding efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the position of the clamping bidirectional lead screw of the utility model;

[0016] Figure 3 It is a schematic diagram of the position of the rolling hub motor of the utility model;

[0017] Figure 4 It is a schematic diagram of the position of the positioning groove of the utility model;

[0018] Figure 5 for Figure 2 A magnified view of the structure at center A;

[0019] Figure 6 for Figure 2 A magnified view of the structure at point B.

[0020] In the figure: 1. welding workbench; 2. steel plate support block; 3. steel plate body; 4. welding support plate; 5. clamping support plate; 6. clamping plate; 7. grinding groove; 8. rolling grinding assembly; 801. grinding roller; 802. disassembly frame; 803. positioning groove; 804. rolling rack; 805. rolling gear; 806. rolling hub motor; 807. limit rod; 808. grinding frame; 809. grinding hub motor; 9. welding frame; 10. welding machine body; 11. stabilizing plate; 12. clamping bidirectional screw; 13. clamping motor; 14. positioning spring; 15. wedge-shaped clamping block; 16. reciprocating screw; 17. adjusting motor; 18. moving frame; 19. telescopic cylinder. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 6As shown, a steel plate welding device for steel box girder construction includes a welding workbench 1, steel plate support blocks 2 are arranged on the upper surfaces of both ends of the welding workbench 1, and steel plate bodies 3 are arranged on the upper surfaces of the steel plate support blocks 2. Welding support plates 4 are symmetrically arranged on both sides of the upper surface of the welding workbench 1, and clamping support plates 5 are arranged between the welding support plates 4. One end of the steel plate body 3 is arranged on the upper surface of the clamping support plate 5, and clamping plates 6 for clamping the steel plate body 3 are arranged on both ends of the clamping support plate 5. Grinding grooves 7 are opened on one side surface of the welding support plates 4 on both sides, and rolling grinding assemblies 8 are commonly inserted in the grinding grooves 7. The rolling grinding assembly 8 includes a grinding roller 801. A welding frame 9 is fixedly installed between the welding support plates 4 on both sides, and a retractable and movable welding machine body 10 is arranged below the welding frame 9.

[0023] like Figure 1 and Figure 2 As shown, the upper surface of the steel plate support block 2 is evenly provided with end stabilizing grooves, and a stabilizing plate 11 is inserted in the end stabilizing groove. The stabilizing plate 11 and one end of the steel plate body 3 are tightly fitted with each other. The upper surface of the clamping support plate 5 is provided with a clamping groove, and a clamping bidirectional lead screw 12 is rotated in the clamping groove. The clamping plates 6 are symmetrically arranged at both ends of the clamping groove, and threaded holes are provided on the lower end surface of the clamping plates 6. The clamping plates 6 and the clamping bidirectional lead screw 12 are meshed with each other. A clamping motor 13 is fixedly installed at one end of the clamping bidirectional lead screw 12. The machine 13 is fixedly installed on the outer wall of the bottom end of one side of the welding support plate 4, so that the staff can place the steel plate body 3 symmetrically on the steel plate support block 2. At this time, the staff turns on the clamping motor 13 to drive the clamping bidirectional screw 12 to rotate, and then moves the clamping plates 6 symmetrically arranged on the surface of the clamping bidirectional screw 12 towards each other to clamp the two sides of the steel plate body 3. At this time, the staff inserts the stabilizing plate 11 into the end stabilizing groove in the steel plate support block 2 to limit one end of the steel plate body 3.

[0024] like Figure 3As shown, the rolling grinding assembly 8 also includes a disassembly frame 802, both ends of the disassembly frame 802 are inserted into the grinding groove 7, the upper top wall of the grinding groove 7 is provided with a spring groove, a positioning spring 14 is provided in the spring groove, one end of the positioning spring 14 is provided with a wedge-shaped clamping block 15, and both ends of the disassembly frame 802 The top surface is provided with a positioning groove 803, a rolling rack 804 is provided in the disassembly frame 802, and a rolling gear 805 is provided below one end of the disassembly frame 802. The rolling gear 805 and the rolling rack 804 are meshed with each other. A rolling hub motor 806 is inserted in the rolling gear 805, and both ends of the central axis of the rolling hub motor 806 are fixedly installed with a limiting rod 807. The side outer walls are provided with limit grooves, and the limit rods 807 are slidably engaged with the limit grooves. Grinding frames 808 are fixedly installed at both ends of the central axis of the rolling hub motor 806, and a grinding hub motor 809 with a grinding roller 801 on the circumferential outer surface is fixedly installed between the grinding frames 808, so that the staff can start the rolling hub motor 806 and the grinding hub motor 809 at the same time, and the rolling gear 805 is driven to rotate by the rolling hub motor 806, and the rolling gear 805 is meshed with the rolling rack 804, and then the grinding roller 801 is driven to rotate by the grinding hub motor 809, so as to realize the pre-grinding of the welding position between the steel plate bodies 3, thereby improving the welding efficiency.

[0025] like Figure 2 and Figure 6 As shown, a reciprocating screw 16 is rotatably installed in the welding frame 9, one end of the reciprocating screw 16 passes through one end of the welding support plate 4 along one end of the welding frame 9 and is fixedly installed with an adjusting motor 17, the adjusting motor 17 is fixedly installed on one side outer wall of the welding support plate 4, the outer surface of the reciprocating screw 16 is sleeved and meshed with a moving frame 18, a telescopic cylinder 19 is arranged in the moving frame 18, one end of the telescopic cylinder 19 is fixedly connected to the welding machine body 10, so that after the staff pulls the rolling grinding assembly 8 out of the grinding groove 7, by turning on the adjusting motor 17 and the telescopic cylinder 19, the reciprocating screw 16 is driven to rotate by the adjusting motor 17, and then the welding body is driven by the telescopic cylinder 19 to weld the welding position between the steel plate bodies 3, and then under the drive of the adjusting motor 17, the welding position is moved for welding.

[0026] When the utility model is in use, the staff connects the device to the power supply, and then the staff takes the two steel plate bodies 3 to be welded, and then the staff places the two steel plate bodies 3 on the steel plate support block 2, and then closely connects one end of the two steel plate bodies 3, so as to facilitate welding. At this time, the staff inserts the stabilizing plate 11 into the end stabilizing groove on the steel plate support block 2 at one end of the steel plate body 3, so that the two steel plate bodies 3 can be closely attached. At this time, the staff turns on the clamping motor 13, and the clamping bidirectional screw 12 is driven to rotate by the clamping motor 13, so that the clamping plate 6 can clamp and fix the two sides of the steel plate body 3. At this time, the staff inserts the disassembly frame 802 in the rolling grinding assembly 8 into the grinding groove 7, and then pre-grinds the welding position of the steel plate body 3 through the grinding roller 801, and then moves the welding position through the welding machine body 10 to achieve efficient welding of the device.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0028] 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. A steel plate welding device for steel box girder construction, comprising a welding workbench (1), wherein the upper surfaces of both ends of the welding workbench (1) are provided with steel plate support blocks (2), the upper surfaces of the steel plate support blocks (2) are provided with steel plate bodies (3), and welding support plates (4) are symmetrically provided on both sides of the upper surface of the welding workbench (1), wherein the welding support plates (4) are characterized in that: A clamping support plate (5) is arranged between the welding support plates (4), one end of the steel plate body (3) is arranged on the upper surface of the clamping support plate (5), and clamping plates (6) for clamping the steel plate body (3) are arranged at both ends of the clamping support plate (5). A grinding groove (7) is opened on one side surface of the welding support plates (4) on both sides, and a rolling grinding assembly (8) is inserted into the grinding groove (7), and the rolling grinding assembly (8) includes a grinding roller (801). A welding frame (9) is fixedly installed between the welding support plates (4) on both sides, and a retractable and movable welding machine body (10) is arranged below the welding frame (9).

2. The steel plate welding device for steel box girder construction according to claim 1, characterized in that: The upper surface of the steel plate support block (2) is evenly provided with end stabilizing grooves, in which a stabilizing plate (11) is inserted, and the stabilizing plate (11) and one end of the steel plate body (3) are tightly fitted to each other.

3. The steel plate welding device for steel box girder construction according to claim 1, characterized in that: A clamping groove is provided on the upper surface of the clamping support plate (5), and a clamping bidirectional lead screw (12) rotates in the clamping groove. The clamping plate (6) is symmetrically arranged at both ends of the clamping groove. A threaded hole is provided on the lower end surface of the clamping plate (6). The clamping plate (6) and the clamping bidirectional lead screw (12) are meshed with each other. A clamping motor (13) is fixedly installed at one end of the clamping bidirectional lead screw (12), and the clamping motor (13) is fixedly installed on the outer wall of the bottom end of one side of the welding support plate (4).

4. The steel plate welding device for steel box girder construction according to claim 1, characterized in that: The rolling grinding assembly (8) also includes a disassembly frame (802), both ends of which are inserted into the grinding groove (7), a spring groove is provided on the top wall of the grinding groove (7), a positioning spring (14) is provided in the spring groove, a wedge-shaped clamping block (15) is provided at one end of the positioning spring (14), and positioning grooves (803) are provided on the top surfaces of both ends of the disassembly frame (802).

5. The steel plate welding device for steel box girder construction as claimed in claim 4, characterized in that: A rolling rack (804) is arranged in the disassembly frame (802), a rolling gear (805) is arranged below one end of the disassembly frame (802), the rolling gear (805) and the rolling rack (804) are meshed with each other, and a rolling hub motor (806) is inserted in the rolling gear (805).

6. The steel plate welding device for steel box girder construction according to claim 5, characterized in that: Limiting rods (807) are fixedly mounted on both ends of the central axis of the rolling hub motor (806), and limiting grooves are provided on both side outer walls of the disassembly frame (802), and the limiting rods (807) and the limiting grooves are slidably engaged with each other.

7. The steel plate welding device for steel box girder construction according to claim 6, characterized in that: Grinding frames (808) are fixedly mounted on both ends of the central axis of the rolling hub motor (806), and a grinding hub motor (809) with a grinding roller (801) sleeved on its circumferential outer surface is fixedly mounted between the grinding frames (808).

8. The steel plate welding device for steel box girder construction according to claim 1, characterized in that: A reciprocating screw (16) is rotatably installed in the welding frame (9), one end of the reciprocating screw (16) passes through one end of the welding support plate (4) along one end of the welding frame (9) and is fixedly installed with an adjusting motor (17), the adjusting motor (17) is fixedly installed on one side outer wall of the welding support plate (4), a moving frame (18) is sleeved and meshed on the outer surface of the reciprocating screw (16), a telescopic cylinder (19) is arranged in the moving frame (18), and one end of the telescopic cylinder (19) is fixedly connected to the welding machine body (10).

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