Assembly adjusting method for diesel engine hydraulic governor slide valve couple parts
A technology of hydraulic governor and diesel engine, applied in machine/engine, mechanical equipment, engine control and other directions, can solve the problems of difficult to ensure the accuracy of the assembly position, complicated assembly adjustment process, and high labor intensity of operators.
Active Publication Date: 2009-06-03
CHONGQING HONGJIANG MACHINERY CO LTD
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Problems solved by technology
[0010] It can be seen that the traditional method is to pay special attention to the assembly size of the control port of the spool valve assembly during assembly, but the assembly adjustment process is very complicated, and it is difficult to ensure the accuracy of the assembly position
Once the cumulative error of the parts is too large and the performance indicators cannot meet the product requirements, it is necessary to repeat the previous assembly process to make repeated adjustments, so that the labor intensity of the operators is high.
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Embodiment Construction
[0020] The method is illustrated below in conjunction with the accompanying drawings:
[0021] It can be seen from Figure 1 that the spool valve 4 of the hydraulic governor cooperates with the valve sleeve 3, and the spool valve 4 is connected with the lever 5, the guide rod 6, and the self-locking nut 9, so adjusting the self-locking nut 9 directly changes the The installation position of the spool valve 4 and the control port 2 of the sleeve. As long as the control port 2 is not completely closed, the performance index of the hydraulic governor during the test will not meet the product requirements, so the installation position of the slide valve must be adjusted.
[0022] Before the adjustment, it is necessary to measure the instantaneous rate difference range of the same type of standard hydraulic governor. When unloading the instantaneous rate of regulation, the difference of the instantaneous rate of regulation of this type of hydraulic governor can be obtained by subtr...
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The present invention relates to an assembly adjusting method to protect the slide valve matching part of the hydraulic pressure speed governor of a diesel engine. During the installation, the locknut initially sets the initial balance position of the control port of the slide valve matching part according to the assembly request (basically closed) without much nicety. When the hydraulic pressure speed governor is doing the produce performance test, final balance position of the slide valve is confirmed according to the difference value of the instantaneous timing rate of the sudden load and unload of the diesel engine. If the instantaneous timing rate does not achieve the test request, the assembly position of the locknut can be adjusted according to specific situation till the difference value of the instantaneous timing rate of the hydraulic pressure speed governor achieves the request. The method takes the instantaneous timing rate of the hydraulic pressure speed governor as the adjective basis of the control port of the slide valve matching part, thereby not only guaranteeing the perform index of the hydraulic pressure speed governor with simple and convenient operation, but also greatly reducing the work intension of the operators.
Description
technical field [0001] The invention belongs to the field of diesel engines and is suitable for hydraulic governors of high-power diesel engines within 9000KW, and specifically relates to series hydraulic governors such as YT111, YT111G, YT555G and YT7 and series hydraulic governors such as UG and PSG. Background technique [0002] The hydraulic governor is a precise key part of the diesel engine. It controls the speed of the diesel engine. Its structure is complex, there are many parts, and the assembly and debugging process is also cumbersome. The hydraulic governor mainly includes important parts such as intermediate body, power piston, spool valve coupling (including spool valve and valve sleeve), speed regulating spring, rotor parts, feedback parts (mainly including feedback piston and spring), etc. During the assembly process of the speed governor, the assembly of various important parts is crucial to the performance of the hydraulic speed governor. In particular, the...
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IPC IPC(8): F02D1/12
Inventor 杨恩志毛贻林雷和练
Owner CHONGQING HONGJIANG MACHINERY CO LTD