Special demounting device for cam shaft

A technology of dismantling device and camshaft, which is applied to hand-held tools, manufacturing tools, etc., can solve the problems of time-consuming and laborious, cam deformation, difficult disassembly, etc., and achieve the effects of improving product quality, uniform force, and easy observation.

Inactive Publication Date: 2015-04-29
CRRC LUOYANG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] For DF8B and DF11 diesel locomotives, when the cam bearing bush is burned out and the bearing bush is replaced, since the camshaft, the bush and the machine body are all in an interference fit, the three are tightly held together and it is difficult to disassemble. They all use a sledgehammer or a copper rod to hit the camshaft vigorously to make it slowly withdraw, which is not only time-consuming and laborious

Method used

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Examples

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Example Embodiment

[0008] Such as figure 1 As shown, in the present invention, a threaded plug 6 is fixed on one end of the lead screw 3, and a support plate 2, a hydraulic transmission device 1 and a nut 7 are sequentially installed on the other end of the lead screw 3 from left to right. The threaded plug 6 is welded Fixed on the screw 3, the diameter and external thread of the thread plug 6 match the diameter and internal thread of the threaded hole on the camshaft 5. The support plate 2 is sleeved on the screw 3. The hydraulic transmission device 1 is a hydraulic gun. The hydraulic gun is arranged between the support plate 2 and the nut 7, and the hydraulic gun is pressed on the support plate 2 through the nut 7.

[0009] Working principle: When in use, screw one end of the screw 3 with a threaded plug 6 into the threaded hole on the camshaft 5. Pay attention to it until it is tightened, insert the support plate 2 into the screw 3, the support plate 2 and the body 4 are tight fit. If you need to

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Abstract

The invention relates to a special demounting device for a cam shaft, in particular to a special demounting device for a cam shaft when a cam shoe of an internal combustion machine is replaced and mainly solves the problem that an existing operation method adopting a big hammer or copper bar to knock the cam shaft out is time and labor wasting, high in operation difficulty, easy to damage the cam shaft and low in production efficiency. A thread plug is fixed at one end of a screw, and a support plate, a hydraulic transmission device and a nut are mounted at the other end of the screw. The special demounting device combining the helical transmission and hydraulic transmission together changes manual operation into mechanical operation, and the cam shaft easy to cause accidents can be demounted under the condition of no damage to the cam shaft and the various adjacent cylinder lubricating bearings. The special demounting device is high in production efficiency, production period is shortened, labor intensity of workers is alleviated and cost is saved.

Description

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Claims

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Application Information

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Owner CRRC LUOYANG CO LTD
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