A drive mechanism for a compression expander
A technology for a compression-expander and a driving mechanism, which is applied in the field of compression-expanders, can solve the problems of small test working condition range, complicated control of piston motion law and high cost, and achieves the effect of expanding the operating condition range.
Active Publication Date: 2019-04-09
SHANGHAI JIAOTONG UNIV
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Problems solved by technology
[0006] In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is that the control of the piston motion law in the prior art is relatively complicated, the range of test conditions is small, and the cost is high
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[0021] The following describes several preferred embodiments of the present invention with reference to the accompanying drawings, so as to make the technical content clearer and easier to understand. The present invention can be embodied in many different forms of embodiments, and the protection scope of the present invention is not limited to the embodiments mentioned herein.
[0022] In the drawings, components with the same structure are denoted by the same numerals, and components with similar structures or functions are denoted by similar numerals. The size and thickness of each component shown in the drawings are shown arbitrarily, and the present invention does not limit the size and thickness of each component. In order to make the illustration clearer, the thickness of parts is appropriately exaggerated in some places in the drawings.
[0023] like figure 1 and figure 2 As shown, this embodiment includes a flywheel cam part and a piston assembly part. The flywhee...
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The invention discloses a driving mechanism of a compression expansion machine, and relates to the field of compression expansion machines. The driving mechanism comprises a flywheel and cam part anda piston assembly. The flywheel and cam part comprises a flywheel and a cam. The cam is mounted in a small groove in the edge of the flywheel. The part of the piston assembly comprises a roller, a roller supporting part, a T-shaped sliding rail, a guide piston, guide rollers, a middle piston, a combustion cavity piston and an elastic device. The roller supporting part is used for mounting of the roller and enables the roller to horizontally move on the T-shaped sliding rail. The T-shaped sliding rail is mounted on the guide piston. The guide piston, the middle piston and the combustion cavitypiston are fixedly connected together. The guide piston and the middle piston are of hollow barrel-shaped structures. The elastic device is mounted in the middle piston and used for guaranteeing thatthe roller is in contact with the surface of the cam all the time. The driving mechanism solves the problems that piston motion rule control is relatively complex, the test work condition range is narrow, and the cost is high.
Description
technical field [0001] The invention relates to the field of compression and expansion machines, in particular to the driving mechanism of the compression and expansion machines. Background technique [0002] In recent years, as a kind of experimental research equipment for reciprocating piston engines, rapid compression expanders have attracted much attention because of their unique advantages in in-cylinder optical diagnosis, combustion and emission analysis. This equipment not only has the advantages of convenient arrangement of optical windows and control of initial conditions and boundary conditions for constant-volume incendiary bombs, but also has the advantages of optical engines that can more realistically reproduce the actual engine compression and expansion process. The research scope ranges from the study of low-temperature spontaneous combustion of fuel Characteristics, ignition delay period, etc., to knocking phenomenon, emission generation mechanism, etc. are ...
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IPC IPC(8): F04B35/01
CPCF04B35/01
Inventor 吴东远董雪许敏李雪松袁志远
Owner SHANGHAI JIAOTONG UNIV