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Method for welding combined shaft with carriage bottom plate hinged support

A technology of a carriage floor and a combined shaft, which is applied in the field of machinery, can solve the problem that the hinge seat of the carriage floor is difficult to be coaxial, and achieve the effect of simple structure

Inactive Publication Date: 2015-01-14
SANY HEAVY EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention provides a welding method for the combined shaft and the hinged seat of the carriage floor to solve the problem that the welding of the hinged seat of the carriage floor is difficult to be coaxial

Method used

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  • Method for welding combined shaft with carriage bottom plate hinged support
  • Method for welding combined shaft with carriage bottom plate hinged support
  • Method for welding combined shaft with carriage bottom plate hinged support

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Embodiment Construction

[0023] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0024] Such as Figure 1 to Figure 4 As shown, when the left hinge seat 20 and the right hinge seat 21 on the compartment floor 3 are welded, in order to make the inner holes of the left hinge seat 20 and the right hinge seat 21 coaxial, they need to be pre-installed on the left hinge seat 20 through the combined shaft 1 And on the right hinge seat 21.

[0025] Combined shaft 1 comprises intermediate shaft 10, left positioning sleeve 11, right positioning sleeve 12, left positioning sleeve 11 is installed on the left end of intermediate shaft 10, right positioning sleeve 12 is installed on the right end of intermediate shaft 10. The intermediate shaft 10 is a hollow steel pipe, and the two ends...

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Abstract

The invention discloses a method for welding a combined shaft with a carriage bottom plate hinged support. The invention discloses a combined shaft which comprises an intermediate shaft, a left positioning sleeve and a right positioning sleeve, wherein the left positioning sleeve is arranged at the left end of the intermediate shaft; the right positioning sleeve is arranged at the right end of the intermediate shaft; both the left positioning sleeve and the right positioning sleeve comprise first outer circles and second outer circles; the diameters of the first outer circles are larger than those of the second outer circles; the first outer circle of the left positioning sleeve is coaxial with the first outer circle of the right positioning sleeve; and the second outer circle of the left positioning sleeve is coaxial with the second outer circle of the right positioning sleeve. The combined shaft is simple in structure, high in positioning accuracy and convenient to operate.

Description

technical field [0001] The invention relates to the field of machinery, in particular to a welding method for a combined shaft and a hinged seat of a carriage floor. Background technique [0002] At present, the electric wheel dump truck compartment is a large welded structural part. The left and right hinge seats on the bottom plate of the compartment are two relatively large parts, which are symmetrically distributed in the center of the bottom plate of the compartment and fixed on the bottom plate of the vehicle by welding. The seat is connected with the vehicle frame through a pin shaft, and there are two holes on it, the outer hole is larger, the inner hole is smaller, the hole depth is shallow, and it is stepped, and the holes are required to be coaxial. [0003] The four inner holes of the left hinge seat and the right hinge seat are required to be coaxial. During welding, the diameter of the four holes is large, the mandrel is thick, and the operation is difficult; ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16C11/04B23K31/02
Inventor 高文德王双全邢一民
Owner SANY HEAVY EQUIP CO LTD