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Camshaft timing tooling

A technology of timing workers and camshafts, which is applied in metal processing, manufacturing tools, metal processing equipment, etc., can solve the problems of large clearance, affecting the timing accuracy of the gas distribution mechanism, and affecting the accuracy of the camshaft, so as to eliminate the fit clearance , prevent jumping, and improve assembly efficiency

Inactive Publication Date: 2016-08-03
SAIC MOTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the pin-hole (or insert-slot) fit must use a clearance fit, it may be due to machining errors and other reasons that the clearance of the pin-hole (or insert-slot) fit is relatively large, which will affect The accuracy of camshaft installation and assembly further affects the timing accuracy of the valve train

Method used

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  • Camshaft timing tooling
  • Camshaft timing tooling
  • Camshaft timing tooling

Examples

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Embodiment Construction

[0022] Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0023] figure 1 A schematic structural diagram of a camshaft timing tool according to the present invention is shown. exist figure 1 Among them, the reference numeral 1 represents the positioning rod, 2 represents the timing pin, 3 represents the return spring, 4 represents the fixing nut, 5 represents the first fixing bolt, 6 represents the second fixing bolt, 7 represents the tooling plate, and 8 represents the to-be-installed The camshaft, 9 represents each cam on the camshaft.

[0024] As can be seen from the figure, the camshaft timing tool according to this embodiment of the present invention can be composed of a positioning rod 1, a timing pin 2, a return spring 3, a fixing nut 4, a first fixing bolt 5 and a second fixing bolt 6 And tooling plate 7 is formed. Since the accompanying drawings are only exemplary and do not limit the spec...

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Abstract

The invention relates to a cam shaft time correcting tool used for assembling an engine. The time correcting tool comprises a tool body, a positioning element, fastening elements and time correcting pins, wherein the positioning element, the fastening elements and the time correcting pins are arranged on the tool body. The positioning element is suitable for positioning the time correcting tool on a cylinder cover of the engine. The fastening elements are suitable for fastening the time correcting tool on the cylinder cover of the engine. The pin tail ends of the time correcting pins are suitable for being matched with time correcting holes in a cam shaft so that time correcting and positioning of the cam shaft can be achieved. The pin tail ends of the time correcting pins and the time correcting holes of the cam shaft are all arranged to be in a truncated cone shape. The taper of the pin tail ends is larger than the taper of the time correction holes. According to the cam shaft time correcting tool, the assembly accuracy and the assembly efficiency of a time correction system of the engine can be improved.

Description

technical field [0001] The invention relates to the technical field of engine assembly; more specifically, the invention relates to an engine camshaft timing tool. Background technique [0002] As we all know, the camshaft is one of the key components of the engine valve train, which is mainly used to control the valve timing. In order to ensure the normal operation of the gas distribution mechanism, there are strict requirements on the angular position of the cam on the camshaft to ensure each gas distribution phase in the working cycle. In this way, the accuracy of the camshaft installation plays a key role. [0003] Usually, special auxiliary tools are selected when installing the camshaft, for example, the camshaft timing tool is a tool specially used for assembling and positioning the camshaft. Camshaft timing tooling can make the assembled camshaft more meet the timing requirements of the engine. Today, with the improvement of automobile manufacturing and assembly t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P19/10
CPCB23P19/10
Inventor 李伟军李树铭王珏张迪煌
Owner SAIC MOTOR