Rear wall lap joint assembling and welding foot board

Abstract

The utility model discloses a rear wall lap joint assembling and welding foot board which comprises a first foot board, a second foot board and a third foot board, the first foot board comprises a bottom frame placed on the ground, a step is fixed on the front side of the bottom frame, a pedal on the topmost portion of the step is located above the rear side of the bottom frame, and the third foot board is fixed on the bottom frame. A guardrail is fixed on the rear side of the footboard at the topmost part of the ladder; the structures of the second foot board and the third foot board are the same as the structure of the first foot board; the first foot board, the second foot board and the third foot board are located on the rear side of the tail of the passenger car framework, the position, close to the tail, of the side where a car door of the passenger car framework is located, and the position, close to the tail, of the side, away from the car door, of the passenger car framework. According to the utility model, the special foot board is designed aiming at the lap-joint assembly welding of the passenger car rear wall, so that a worker can conveniently operate the lap-joint assembly welding of the passenger car rear wall, and the lap-joint assembly welding precision of the passenger car rear wall can be improved, thereby improving the overall welding quality of the passenger car.

Description

Technical Field

[0001] The utility model relates to a rear enclosure lapping and welding platform, belonging to the technical field of bus processing auxiliary equipment. Background Art

[0002] The rear enclosure of a bus refers to the enclosing part at the rear of the bus, and the rear enclosure of the bus is an important part of the bus skeleton. The torsional stiffness of the rear enclosure of the bus directly affects the torsional stiffness of the bus skeleton. Therefore, the welding quality of the rear enclosure of the bus is related to the overall welding quality of the bus.

[0003] In the prior art, after the rear enclosure of the bus is processed in advance, the rear enclosure of the bus is fixed on the bus skeleton by means of lapping and welding.

[0004] However, due to the high height of the bus, it is inconvenient for workers to operate during the lapping and welding of the rear enclosure of the bus, which affects the accuracy of lapping and welding, and ultimately affects the overall welding quality of the bus. Content of the Utility Model

[0005] The technical problem to be solved by the utility model is: to provide a rear enclosure lapping and welding platform to solve the technical problems existing in the above prior art.

[0006] The technical solution adopted by the utility model is: a rear enclosure lapping and welding platform, including a first platform, a second platform and a third platform. The first platform includes a chassis placed on the ground. A ladder is fixed on the front side of the chassis. The pedal at the top of the ladder is located above the rear side of the chassis. A guardrail is fixed on the rear side of the pedal at the top of the ladder. The structures of the second platform and the third platform are the same as that of the first platform. The first platform, the second platform and the third platform are respectively located at the rear side of the tail of the bus skeleton, at the position near the tail on the side where the door of the bus skeleton is located, and at the position near the tail on the side of the bus skeleton far from the door.

[0007] Preferably, the ladder includes a pedal and a riser. The pedal is arranged horizontally, the riser is arranged vertically. The riser is a steel plate, and the pedal is a diamond plate.

[0008] Preferably, a column is fixed at each of the left and right ends of the rear side of each pedal. The lower end of the column is fixed to the chassis, and a cross bar is fixed between two adjacent columns.

[0009] Preferably, an angle steel extending horizontally in the left and right direction is fixed below the connection between the pedal and the riser. The two ends of the angle steel are fixed to the columns.

[0010] Preferably, the size of the first tread is 2000 - 2500 * 1100 - 1500 * 1600 - 1800 mm.

[0011] Preferably, the size of the second tread is 4000 - 4500 * 1100 - 1500 * 1600 - 1800 mm.

[0012] Preferably, the size of the third tread is 6000 - 6500 * 1100 - 1500 * 1600 - 1800 mm.

[0013] The beneficial effects of the present utility model: Compared with the prior art, the present utility model designs a special tread for the butt joint welding of the rear body of a bus, including a first tread, a second tread, and a third tread. During the process of butt joint welding of the rear body of the bus, the operation is convenient for workers, which can improve the precision of the butt joint welding of the rear body of the bus, thereby enhancing the overall welding quality of the bus. Description of the Drawings

[0014] Figure 1 is a perspective view of the first tread.

[0015] Figure 2 is a perspective view of the second tread.

[0016] Figure 3 is a perspective view of the third tread.

[0017] The reference numerals in the drawings of the specification include: the first tread 10, the longitudinal beam 11, the cross beam 12, the vertical plate 13, the pedal 14, the angle steel 15, the column 16, the cross bar 17, the guardrail 18, the second tread 20, and the third tread 30. Detailed Embodiments

[0018] The present utility model will be further introduced below in conjunction with the drawings and specific embodiments.

[0019] Embodiment 1:

[0020] A tread for butt joint welding of the rear body, as Figures 1 - 3As shown in the figure, it includes a first tread platform 10, a second tread platform 20 and a third tread platform 30. The first tread platform 10 includes a chassis placed on the ground. The chassis includes a cross beam 12 that horizontally extends in the left-right direction. At the front sides of the left and right ends of the cross beam 12, a longitudinal beam 11 that horizontally extends in the front-rear direction is fixed; at the upper front sides of the two longitudinal beams 11, a staircase is fixed. There are a total of 5 steps in the staircase. The tread board 14 at the top of the staircase is located above the rear side of the chassis. Above the rear side of the tread board 14 at the top of the staircase, a guardrail 18 is fixed; the staircase includes a tread board 14 and a riser 13. The tread board 14 is arranged horizontally, and the riser 13 is arranged vertically. The riser 13 is made of steel plate, and the tread board 14 is made of diamond plate; at the left and right ends of the rear side of each tread board 14, a column 16 that is arranged vertically is respectively fixed. The lower end of the column 16 is fixed to the longitudinal beam 11, and a cross bar 17 is fixed between two adjacent columns 16; below the connection part of each tread board 14 and the riser 13, an angle steel 15 that horizontally extends in the left-right direction is fixed. The two ends of the angle steel 15 are fixed to the column 16. The size of the first tread platform 10 is 2000*1100*1600mm.

[0021] The structure of the second tread platform 20 is basically the same as that of the first tread platform 10. The difference between the second tread platform 20 and the first tread platform 10 is that: the size of the second tread platform 20 is 4000*1100*1600mm.

[0022] The structure of the third tread platform 30 is basically the same as that of the first tread platform 10. The difference between the third tread platform 30 and the first tread platform 10 is that: the size of the third tread platform 20 is 6000*1100*1600mm.

[0023] When in use, the first tread platform 10, the second tread platform 20 and the third tread platform 30 are respectively placed at the rear side of the tail of the passenger car skeleton, at the position near the tail on the side where the door of the passenger car skeleton is located, and at the position near the tail on the side of the passenger car skeleton far from the door. Three people operate simultaneously. One person stands on the second tread platform 20 to operate, one person stands on the third tread platform 30 to cooperate, and another person stands on the first tread platform 10 to operate. The three people cooperate to fix and lap-weld the rear enclosure of the passenger car.

[0024] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of changes or substitutions, which should all be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claimed rights.

Claims

1. A rear lap-welded step, characterized in that: It includes a first step, a second step and a third step. The first step includes a base frame placed on the ground, a ladder is fixed on the front side of the base frame, the top pedal of the ladder is located above the rear side of the base frame, and a guardrail is fixed on the rear side of the top pedal of the ladder; the structures of the second step and the third step are the same as that of the first step; the first step, the second step and the third step are respectively located at the rear side of the rear of the bus frame, a position close to the rear of the side where the door of the bus frame is located, and a position close to the rear of the side away from the door of the bus frame.

2. The rear lap-welded step according to claim 1, characterized in that: The stairs include pedals and uprights, the pedals are arranged in a horizontal direction, the uprights are arranged in a vertical direction, the uprights are steel plates, and the pedals are patterned steel plates.

3. The rear lap-welded step according to claim 2, characterized in that: A column is fixed to the left and right ends of the rear side of each pedal respectively, the lower end of the column is fixed to the base frame, and a cross bar is fixed between two adjacent columns.

4. The rear lap-welded step according to claim 3, characterized in that: An angle steel extending horizontally in the left-right direction is fixed below the connection between the pedal and the upright plate, and both ends of the angle steel are fixed to the upright column.

5. The rear lap-welded step according to claim 1, characterized in that: The size of the first step is 2000-2500*1100-1500*1600-1800mm.

6. The rear lap-welded step platform according to claim 1, characterized in that: The size of the second step is 4000-4500*1100-1500*1600-1800mm.

7. The rear lap-welded step according to claim 1, characterized in that: The size of the third step is 6000-6500*1100-1500*1600-1800mm.

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