Front wall skin seam allowance tool for hydrogen fuel passenger car
By designing the front circumference skin stop tooling for hydrogen-fuel passenger buses, using the welding of the skin stop to the body frame and the installation of arc-shaped fixing plates, the problems of difficulty and low efficiency of welding of the front circumference skin stop of hydrogen-fuel passenger buses are solved, and more efficient welding and installation are achieved.
Patent Information
- Application Number
- CN202421077658.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-03-28
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The welding of the front circumference skin stop of hydrogen-fuel passenger cars is difficult and inefficient, and it is difficult to effectively fix the tooling of the body skin stop beam with curvature.
A hydrogen-fuel passenger bus front circumference skin stop workpiece is designed, and the body frame is welded through the skin stop, and an arc-shaped fixing plate is installed as the front circumference skin stop workpiece at the gap of the body frame, and the front circumference skin is fixed to ensure that it is close to the skin stop and tooling.
The welding speed and installation accuracy are improved, and the problems of welding difficulty and low efficiency in the prior art are overcome, ensuring that the skin stop is not easy to fall off.
Smart Images

Figure CN222682568U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bus production, in particular to a front wall skin stop tooling for a hydrogen fuel bus. Background Art
[0002] Hydrogen fuel bus is a purely environmentally friendly new energy vehicle. It generally generates electricity through the reaction of hydrogen fuel cells to charge the power battery, and then uses the electricity to drive the vehicle. It has low noise, high driving stability, and achieves zero emissions. It has been increasingly widely used in major cities.
[0003] The main engine factory mass-produces hydrogen fuel bus. When welding the front skin stop of the hydrogen fuel bus, it is necessary to draw lines on the installation size of the body frame and weld. Because the stop beams for fixing the body skin are all curved, it is difficult and inefficient for workers to weld. Therefore, a hydrogen fuel bus front skin stop tooling is now provided. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a hydrogen fuel bus front panel skin stop tooling, which fixes the front panel skin with the skin stop and the front panel skin stop tooling, so that the front panel skin is tightly attached to the skin stop and the front panel skin stop tooling; since the vehicle body frame below the skin stop is connected by welding, the vehicle body frame below the skin stop tightly fixes the front panel skin, which is not easy to fall off, thereby improving the welding speed and installation accuracy, overcoming the deficiencies in the prior art, and effectively solving the problem that the existing fixed vehicle body skin stop beams are all curved, which makes welding difficult and inefficient for workers.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A front cowl skin stop tooling of a hydrogen fuel bus comprises a skin stop and a vehicle body frame, wherein the skin stop is welded to the vehicle body frame, a front cowl skin stop tooling is welded at a gap of the vehicle body frame, and a front cowl skin is fixed between the front cowl skin stop tooling and the skin stop.
[0007] Preferably, the front panel stopper tooling is an arc-shaped fixing plate welded to the vehicle body frame, and a positioning installation hole is opened on the arc-shaped fixing plate.
[0008] Preferably, the surface of the arc-shaped fixing plate is plated with an anti-rust coating, and the arc-shaped fixing plate fits tightly with the vehicle body frame.
[0009] Preferably, the vehicle body frame on one side of the dash skin and the vehicle body frame on the other side of the vehicle body frame on one side of the dash skin are staggered, and the dash skin is in a bent state.
[0010] Preferably, fixing bolts are inserted into the vertical section of the skin stop, the cowl skin and the cowl skin stop tooling on one side of the cowl skin, and nuts are threadedly connected to the fixing bolts.
[0011] Preferably, the skin stop is L-shaped, and the horizontal section of the skin stop is welded to the vehicle body frame on the other side of the front cowl skin.
[0012] The beneficial effects of the utility model are:
[0013] To summarize, the skin stop and the cowl skin stop tooling are used to fix the cowl skin so that the cowl skin fits tightly against the skin stop and the cowl skin stop tooling. Since the vehicle body frame below the skin stop is connected by welding, the vehicle body frame below the skin stop holds the cowl skin tightly and does not fall off easily, thereby improving the welding speed and installation accuracy. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 The utility model is a schematic diagram of the side cross-sectional structure of a hydrogen fuel bus front panel stop tooling.
[0015] Figure 2 The utility model is a schematic diagram of the side structure of a hydrogen fuel bus front panel stop tooling.
[0016] Figure 3 The utility model is a partial three-dimensional structural schematic diagram of a hydrogen fuel bus front panel stop tooling.
[0017] In the figure: 1. Skin stop; 2. Front panel skin; 3. Front panel skin stop tooling; 4. Vehicle body frame. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0019] Example 1, reference Figure 1-3 A front cowl skin stopper tooling of a hydrogen fuel bus comprises a skin stopper 1 and a body frame 4, the skin stopper 1 is welded to the body frame 4, a front cowl skin stopper tooling 3 is welded at a gap of the body frame 4, and a front cowl skin 2 is fixed between the front cowl skin stopper tooling 3 and the skin stopper 1;
[0020] The front panel skin stopper tooling 3 is an arc-shaped fixing plate welded on the vehicle body frame 4, and a positioning installation hole is opened on the arc-shaped fixing plate;
[0021] The surface of the arc-shaped fixing plate is plated with an anti-rust coating, and the arc-shaped fixing plate is closely fitted to the vehicle body frame 4;
[0022] The vehicle body frame 4 on one side of the front cowl skin 2 is staggered with the vehicle body frame 4 on the other side of the vehicle body frame 4 on one side of the front cowl skin 2, and the front cowl skin 2 is in a bent state;
[0023] The vertical section of the skin stop 1, the cowl skin 2 and the cowl skin stop tooling 3 on one side of the cowl skin 2 are plugged with fixing bolts, and nuts are threaded on the fixing bolts. The skin stop 1 is L-shaped, and the horizontal section of the skin stop 1 is welded to the vehicle body frame 4 on the other side of the cowl skin 2.
[0024] Working principle: Insert the fixing bolts into the vertical section of the skin stop 1, the front skin 2 and the body frame 4 on one side of the front skin 3, and tighten the nuts and fixing bolts. The insertion position of the fixing bolts is the positioning and mounting hole on the front skin stop tooling 3, and then the front skin 2 is fixed. Since the body frame 4 below the skin stop 1 is connected by welding, the body frame 4 below the skin stop 1 presses and fixes the front skin 2, which is not easy to fall off, thereby improving the welding speed and installation accuracy.
[0025] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.
Claims
1. A hydrogen fuel cell bus front panel cover stopper tooling, comprising a cover cover stopper (1) and a vehicle body frame (4), characterized in that: The skin stop (1) is welded to the vehicle body frame (4), a cowl skin stop tooling (3) is welded at a gap of the vehicle body frame (4), and a cowl skin (2) is fixed between the cowl skin stop tooling (3) and the skin stop (1).
2. The hydrogen fuel bus front panel skin stopper tooling according to claim 1 is characterized in that: The front panel skin stop tooling (3) is an arc-shaped fixing plate welded to the vehicle body frame (4), and a positioning installation hole is provided on the arc-shaped fixing plate.
3. The hydrogen fuel bus front panel skin stopper tooling according to claim 2 is characterized in that: The surface of the arc-shaped fixing plate is plated with an anti-rust coating, and the arc-shaped fixing plate is tightly fitted to the vehicle body frame (4).
4. The hydrogen fuel bus front panel cover stopper tooling according to claim 1, characterized in that: The vehicle body frame (4) on one side of the front wall skin (2) and the vehicle body frame (4) on the other side of the vehicle body frame (4) on one side of the front wall skin (2) are staggered, and the front wall skin (2) is in a bent state.
5. The hydrogen fuel bus front panel cover stopper tooling according to claim 4, characterized in that: Fixing bolts are inserted into the vertical section of the skin stop (1), the cowl skin (2) and the cowl skin stop tooling (3) on one side of the cowl skin (2), and nuts are threaded onto the fixing bolts.
6. The hydrogen fuel bus front panel skin stopper tooling according to claim 5, characterized in that: The skin stop (1) is L-shaped, and the horizontal section of the skin stop (1) is welded to the vehicle body frame (4) on the other side of the front cowl skin (2).