Assembly method of variable compression ratio drive structure
A technology of drive structure and assembly method, applied in the direction of assembly machine, machine/engine, metal processing equipment, etc., can solve the problems of difficult to guarantee assembly accuracy, complex assembly of drive structure, large overall width of the engine, etc. Facilitates reliable setup and simple structure
Active Publication Date: 2022-02-01
GREAT WALL MOTOR CO LTD
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Problems solved by technology
The existing structural form leads to a large overall width of the engine, which is not conducive to the vehicle. In addition, in the side-mounted motor structure, it is necessary to leave a motor installation space or process a motor installation bracket during the processing of the cylinder body, which also makes the cylinder body structure more complex. Complex and difficult to process
In addition, in the current variable compression ratio mechanism, the drive structure also has the problem of complicated assembly and difficult to guarantee the assembly accuracy.
Method used
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Embodiment Construction
[0047] It should be noted that the features of the present invention in the present invention may be combined with each other in the case of an unable conflict.
[0048] The present invention will be described in detail below with reference to the accompanying drawings.
[0049] This embodiment relates to an assembly method of a variable compression ratio driving structure, wherein the variable compression ratio drive structure is generally used as part of a variable compression ratio mechanism for driving an eccentric shaft in the variable compression ratio. Turn, thereby adjusting the adjustment of the engine compression ratio.
[0050] In detail, for the above variable compression ratio mechanism, it is specifically a multi-link-type variable compression ratio mechanism, and an exemplary structure of the mechanism can be figure 1 As shown in this, the variable compression ratio is specifically included in the piston 1 disposed in the engine cylinder, rotating the crankshaft ass...
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The invention provides an assembly method of a variable compression ratio drive structure, the variable compression ratio drive structure drives the eccentric shaft in the variable compression ratio mechanism to rotate, and includes a harmonic reducer fixed on the engine block unit, and the motor unit fixed on the rigid wheel in the harmonic reducer unit, the assembly method includes first installing the rigid wheel and the eccentric shaft, and then installing the flexible wheel, the wave generator, etc., and then It is put into the engine block, and then the timing cover and the motor unit are installed, and the sealing between the motor unit and the timing cover is also completed with the installation of the motor unit. The assembling method of the invention can realize the assembling of the variable compression ratio driving structure, and the assembling is relatively simple, can improve the assembling precision, and is beneficial to the reliable setting of the driving structure.
Description
Technical field [0001] The present invention relates to the field of engine technology, and more particularly to an assembler than a variable compression ratio drive structure. Background technique [0002] In order to reduce the engine displacement, improve fuel combustion efficiency and fuel economy, variable compression is born, and as variable compression is more developed, compression is increasingly more diverse. Among them, the eccentric shaft is employed with the multi-link mechanism to achieve the transmission of the engine piston on the engine piston, and the multi-link type variable compression ratio mechanism has become a numerous vehicle enterprise. The focus of research and development. [0003] In the current multi-link type variable compression ratio mechanism, the mating structure of the motor and the harmonic reducer is used as the driving source, and the driving eccentric shaft rotation is a driving form. At present, the transmission mode between the motor and ...
Claims
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IPC IPC(8): F02B75/04B23P21/00
CPCF02B75/045B23P21/00Y02P70/10
Inventor 苏旭朝刘涛杨乐张树旻尹吉渠娜刘君宇钟德华王文远姜志永
Owner GREAT WALL MOTOR CO LTD