Semitrailer longitudinal beam tailor-welding tool

By designing a welding fixture for the longitudinal beams of a semi-trailer, and utilizing clamps and movable clamping components, flexible adjustment of the main beam and crossbeams is achieved, solving the problem of time-consuming and labor-intensive manual adjustment, and improving welding efficiency and applicability.

CN223656352UActive Publication Date: 2025-12-12DALIAN YANGUANG CARGO TRANSPORTATION CO LTD
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Patent Information

Application Number
CN202520042020.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-12-12
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

During the welding process of semi-trailer longitudinal beams, manually adjusting the positions of the longitudinal and transverse beams is time-consuming and labor-intensive, resulting in low production efficiency and a high risk of fatigue and errors.

Method used

A semi-trailer longitudinal beam welding fixture was designed, comprising a platform, a fixed frame, a clamp, and a movable clamping assembly. The fixture and movable clamping assembly enable flexible adjustment and convenient clamping of the main beam and crossbeam, while the lifting cylinder and clamping cylinder are used for precise alignment and welding.

Benefits of technology

It improves the efficiency of longitudinal beam welding, enhances the applicability to beams and crossbeams of different sizes and shapes, reduces the time and effort required for manual adjustments, and lowers labor intensity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of welding tools, and discloses a semitrailer longitudinal beam tailor-welding tool which comprises a platform, a fixing frame is fixedly connected to the front side of the middle of the top of the platform, a sliding groove is formed in the rear side of the top of the fixing frame, the sliding groove extends left and right and is through, and two clamps are arranged at the top of the fixing frame and distributed left and right. The bottoms of the clamps are in sliding fit with the sliding grooves, four movable clamping assemblies are arranged on the rear side of the top of the platform and distributed in an isosceles trapezoid shape, a girder is clamped between the tops of the two movable clamping assemblies on the right side, and the rear side of the top of the fixing frame clamps the other girder through the two clamps. The tops of the two movable clamping assemblies on the left side clamp the two cross beams correspondingly, and the front ends and the rear ends of the two cross beams perpendicularly abut against the two girders correspondingly. Due to the design of the clamp and the movable clamping assembly, the positions of the girder and the cross beam can be flexibly adjusted, alignment and welding are facilitated, and the welding device can be suitable for tailor welding of girders and cross beams of different sizes and shapes.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of welding frock, concretely is a semitrailer longitudinal beam tailor welding frock. BACKGROUND

[0002] In the current semitrailer longitudinal beam welding process, the worker usually needs to manually adjust the position of the longitudinal beam and the cross beam, and then weld, which needs to consume a lot of time and energy, resulting in low production efficiency, in addition, the worker is engaged in repetitive labor for a long time, which is also easy to produce fatigue and error, affecting the work efficiency. CONTENT OF THE UTILITY MODEL

[0003] In order to overcome the above insufficient, the utility model provides a semitrailer longitudinal beam tailor welding frock.

[0004] The utility model takes the technical scheme of:

[0005] A semitrailer longitudinal beam tailor welding frock, including platform, the top middle part front side of platform is fixedly connected with fixed frame, the top rear side of fixed frame is equipped with the sliding slot, the sliding slot extends left and right and is through, the top of fixed frame has two clamps, two clamps are distributed left and right, and the bottom of clamp is slidably connected with the sliding slot, and the top rear side of platform has four mobile clamping assemblies, four mobile clamping assemblies are distributed in isosceles trapezoidal, and the top between right -hand two mobile clamping assemblies clamps girder, and the top rear side of fixed frame clamps another girder through two clamps, and the top of left -hand two mobile clamping assemblies clamps two cross beams respectively, and the front and rear ends of two cross beams are perpendicular with two girders and are in contact.

[0006] The clamp includes a sliding block, the sliding block is slidably connected with the sliding slot, the top of the sliding block is vertically fixedly connected with a stud, the outer wall of the stud is sleeved with a pressing plate, the pressing plate is slidably connected with the stud, the outer wall of the stud is threadedly connected with a nut at the top, and the bottom of the nut is in contact with the top of the pressing plate.

[0007] The mobile clamping assembly includes a mobile plate, the bottom of the mobile plate is rotatably connected with a mobile wheel at four corners, the mobile wheel is located on the top surface of the platform, the top of the mobile plate is fixedly installed with a lifting cylinder, the cylinder column top end of the lifting cylinder is fixedly connected with a mounting bracket, the lower part of the mounting bracket is in a straight plate shape, the lower part of the mounting bracket extends upward at both ends, the top of both ends of the mounting bracket is fixedly installed with a clamping cylinder, and the cylinder column opposite end of the two clamping cylinders is fixedly connected with a clamping plate.

[0008] The utility model has the advantages of:

[0009] The design of the clamp and the mobile clamping assembly makes the position of the girder and the cross beam flexible, which is convenient for alignment and welding, and improves the work efficiency.

[0010] The cooperation of the sliding groove and the moving wheel makes the movement of the clamping assembly more convenient, can be suitable for tailor welding of girders and cross beams of different sizes and shapes, and has high universality. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a structural schematic diagram of the utility model;

[0012] Figure 2 is Figure 1 is a structural schematic diagram of the rear side view angle;

[0013] Figure 3 is Figure 1 is a right view of the removal platform;

[0014] Figure 4 is Figure 3 is a section view at A-A;

[0015] Figure 5 is a structural schematic diagram of the utility model clamp;

[0016] Figure 6 is a structural schematic diagram of the utility model moving clamping assembly.

[0017] In all the drawings, the specific reference signs are as follows: 1, platform; 2, fixed frame; 3, sliding groove; 4, clamp; 5, moving plate; 6, moving wheel; 7, lifting cylinder; 8, mounting frame; 9, clamping cylinder; 10, clamping plate; 11, girder; 12, cross beam; 41, sliding block; 42, stud; 43, pressing plate; 44, nut. DETAILED DESCRIPTION

[0018] As Figures 1-6 shown: a kind of semitrailer longitudinal beam tailor welding tool, including platform 1, the top middle part front side of platform 1 is fixedly connected fixed frame 2, sliding groove 3 is set in the top rear side of fixed frame 2, sliding groove 3 extends left and right and is through, the top of fixed frame 2 has two clamps 4, two clamps 4 are distributed left and right, and the bottom of clamp 4 is slidably connected with sliding groove 3, the top rear side of platform 1 has four moving clamping assemblies, four moving clamping assemblies are distributed in isosceles trapezoidal, and the top between right side two moving clamping assemblies clamps girder 11, and the top rear side of fixed frame 2 clamps another girder 11 by two clamps 4, and the top of left side two moving clamping assemblies clamps two cross beams 12 respectively, and the front and rear ends of two cross beams 12 are respectively perpendicular to the abutment of two girders 11.

[0019] clamp 4 includes sliding block 41, and sliding block 41 is slidably connected with sliding groove 3, and the top of sliding block 41 is vertically fixedly connected with stud 42, and the outer wall of stud 42 is sleeved with pressing plate 43, and pressing plate 43 is slidably connected with stud 42, and the outer wall top of stud 42 is threadedly connected with nut 44, and the bottom of nut 44 is abutted with the top of pressing plate 43.

[0020] The movable clamping assembly includes a movable plate 5, with movable wheels 6 rotatably connected to the four bottom corners of the movable plate 5. The movable wheels 6 are located on the top surface of the platform 1. A lifting cylinder 7 is fixedly installed on the top of the movable plate 5. A mounting frame 8 is fixedly connected to the top of the cylinder column of the lifting cylinder 7. The lower part of the mounting frame 8 is in the shape of a straight plate, and both ends of the lower part of the mounting frame 8 extend upward. Clamping cylinders 9 are fixedly installed on the top of both ends of the mounting frame 8. Clamping plates 10 are fixedly connected to the opposite ends of the cylinder columns of the two clamping cylinders 9.

[0021] Place a beam 11 on top of the fixed frame 2 and behind the slide 3. Adjust the position of the two clamps 4 so that they can hold the left and right sides of the beam 11. Slide the pressure plate 43 down along the stud 42 until it contacts the beam 11. Rotate the nut 44 to press the pressure plate 43 down, thereby holding the beam 11.

[0022] Place the other beam 11 inside the top mounting bracket 8 of the two right-side movable clamping components, activate the clamping cylinders 9 of the two right-side movable clamping components until the clamping plate 10 clamps the beam 11, and activate the lifting cylinder 7 to adjust the height.

[0023] Adjust the position of the moving clamping assembly as needed to align the main beam 11 with the fixed main beam 11.

[0024] The two crossbeams 12 are placed inside the mounting brackets 8 of the two movable clamping components on the left side, respectively.

[0025] Similarly, the lifting cylinder 7 and clamping cylinder 9 of the two moving clamping components on the left are used to clamp the crossbeam 12 and adjust the position of the crossbeam 12 so that its front and rear ends are perpendicular to the two main beams 11 respectively.

[0026] After the main beam 11 and the crossbeam 12 are fixed in place, the main beam 11 and the crossbeam 12 are welded together using welding equipment. This utility model only protects the mechanical parts; the functions implemented by the software control part are not within the scope of protection of this utility model.

Claims

1. A welding fixture for longitudinal beams of a semi-trailer, characterized in that, The platform (1) is fixedly connected to the front of the top center of the platform (1). A sliding groove (3) is opened on the rear of the top of the fixed frame (2). The sliding groove (3) extends and passes through the platform (1) to the left and right. The top of the fixed frame (2) has two clamps (4). The two clamps (4) are distributed to the left and right. The bottom of the clamps (4) slides with the sliding groove (3). The rear of the top of the platform (1) has four movable clamping components. The four movable clamping components are distributed in an isosceles trapezoidal shape. The top of the two movable clamping components on the right clamps a beam (11). The rear of the top of the fixed frame (2) clamps another beam (11) through two clamps (4). The top of the two movable clamping components on the left clamps two crossbeams (12) respectively. The front and rear ends of the two crossbeams (12) are perpendicular to the two beams (11) respectively.

2. The semi-trailer longitudinal beam welding fixture according to claim 1, characterized in that, The fixture (4) includes a slider (41), which is slidably engaged with the slide groove (3). A stud (42) is vertically fixed to the top of the slider (41). A pressure plate (43) is sleeved on the outer wall of the stud (42). The pressure plate (43) is slidably engaged with the stud (42). A nut (44) is threadedly connected to the top of the outer wall of the stud (42). The bottom of the nut (44) abuts against the top of the pressure plate (43).

3. The semi-trailer longitudinal beam welding fixture according to claim 1, characterized in that, The movable clamping assembly includes a movable plate (5), with movable wheels (6) rotatably connected to the four bottom corners of the movable plate (5). The movable wheels (6) are located on the top surface of the platform (1). A lifting cylinder (7) is fixedly installed on the top of the movable plate (5). A mounting frame (8) is fixedly connected to the top of the cylinder column of the lifting cylinder (7). The lower part of the mounting frame (8) is in the shape of a straight plate. The two ends of the lower part of the mounting frame (8) extend upward. Clamping cylinders (9) are fixedly installed on the top of both ends of the mounting frame (8). Clamping plates (10) are fixedly connected to the opposite ends of the cylinder columns of the two clamping cylinders (9).