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Device for automatic overturning, welding and clamping side wall of high-speed train body and working method thereof

A technology of high-speed trains and welding fixtures, applied in welding equipment, auxiliary devices, auxiliary welding equipment, etc., can solve problems such as additional deformation, weld cracking, and low work efficiency, and achieve reduced risks, improved reliability, and high efficiency , The effect of reducing transfer time and fixture cost

Active Publication Date: 2019-07-19
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the side wall overturning process, there is no clamp to hold it, the work efficiency is low, and it is easy to cause quality problems such as additional deformation and weld cracking. Therefore, it is necessary to develop a suitable side wall welding fixture device to overcome the current difficulties.

Method used

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  • Device for automatic overturning, welding and clamping side wall of high-speed train body and working method thereof
  • Device for automatic overturning, welding and clamping side wall of high-speed train body and working method thereof
  • Device for automatic overturning, welding and clamping side wall of high-speed train body and working method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] A high-speed train car body side wall automatic flip welding fixture device, such as figure 1 As shown, it includes an overturning fixture device 1 and an overturning lifting device 2 .

[0068] Turning fixture device 1 comprises underframe 1-1, and underframe is used for providing support for whole overturning fixture device, and underframe is provided with two supports 1-2, and two supports are fixed on the underframe by bolts, and support Between 1-2, there are positive and negative fixtures 1-9, and the positive and negative fixtures 1-9 include fixed blocks that are fixedly connected. The processed positioning surface, the fixed block is used to bear the side wall of the car body, and the front and back sides are positioned when the side wall is welded. One end of the support 1-2 is provided with a motor 1-3, the motor is connected with the positive and negative clamps, and the motor is used to control the flipping of the positive and negative clamps; one end of t...

Embodiment 2

[0075] A high-speed train car body side wall automatic flip welding jig device, its structure is as described in embodiment 1, the difference is that one end of the support 1-2 is also provided with a turbine reducer 1-5, such as figure 2 As shown, the motor 1-3 is connected to the worm reducer 1-5 through the coupling A 1-4, and the worm reducer 1-5 is connected to the positive and negative clamp shaft through the coupling B 1-6, and one end of the positive and negative clamp shaft is The bearing 1-7 is connected with the support 1-2, and the other end of the rotating shaft of the positive and negative clamp is connected with another support through the bearing.

Embodiment 3

[0077] A high-speed train car body side wall automatic flip welding jig device, its structure is as described in Embodiment 2, the difference is that the support 1-2 is provided with a horizontal support cylinder 1-11, and the positive and negative clamp sides are provided with positioning The hole is located in the positioning hole after the piston rod of the horizontal support cylinder stretches out.

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Abstract

The invention relates to a device for automatic overturning, welding and clamping a side wall of a high-speed train body and a working method thereof, and belongs to the technical field of mechanicalengineering positioning clamping devices. The device comprises an overturning clamp device and an overturning lifting device, wherein a front-and-back clamp is supported by the overturning clamp device through a bottom frame and a support; the side wall of the train body is placed on the front-and-back clamp, and then clamped by a top surface clamping device for welding; when overturning is neededafter welding, one end of the side wall is clamped by the overturning clamp device, the other end of the side wall is clamped by the overturning lifting device, and then the side wall is clamped andlifted or lowered by a top clamping jaw device of the overturning lifting device, and therefore, the front-and-back clamp is jointly overturned with the side wall through the combination of the overturning clamp device and the overturning lifting device; and a front positioning surface and a back positioning surface are integrated on one clamp body, and the front side of the side wall is overturned from the bottom to the top and positioned on the front-and-back clamp, so that the overturning reliability and the overturning efficiency are improved.

Description

technical field [0001] The invention relates to a high-speed train car body side wall automatic flip welding fixture device and its working method, in particular to a high-speed train car body side wall front and back welding process, which integrates positioning, clamping and flipping of the side wall. Technical field of positioning and clamping devices in mechanical engineering. Background technique [0002] The side wall is a key component of the high-speed train body, and its welding quality directly affects important issues such as driving safety and service life of the high-speed train. Since the side wall is more than 20 meters long, multiple sets of welding fixtures need to be arranged in the length direction during the welding process, so the welding quality of the side wall is directly affected by the welding fixtures. [0003] At present, in the welding of the side wall of the high-speed train body, two sets of fixtures are usually used to weld the welds on both ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K37/047
CPCB23K37/047Y02T30/00
Inventor 于奎刚潘龙叶
Owner SHANDONG UNIV
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