Hydraulic control clamping and overturning system for large-power diesel engine cylinder cover air valve assembling
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A high-power diesel engine and hydraulic technology, applied in the direction of manufacturing tools, mechanical equipment, fluid pressure actuators, etc., can solve the problems of unguaranteed installation consistency and uncontrollable installation effect, so as to improve installation efficiency and ensure safety The effect of stability and concise structure
Inactive Publication Date: 2018-06-22
HUDONG HEAVY MACHINERY
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At present, when the valve assembly is assembled in the assembly workshop, it is widely used to manually use the driving pressure to complete the spring installation of the air valve assembly and the seating of the conical block. The installation effect cannot be controlled, and the installation consistency cannot be guaranteed.
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[0038] The hydraulically controlled clamping and turning system for assembling the cylinder head valve of a high-power diesel engine according to the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but this should not limit the protection scope of the present invention.
[0039] see figure 1 , the hydraulically controlled clamping and flipping system for assembling the cylinder head valve of a high-power diesel engine according to the present invention includes a hydraulic supply circuit, a hydraulic motor control mechanism, a hydraulic arm clamping mechanism and a hydraulic cylinder stroke control mechanism, and the hydraulic supply circuits are respectively connected to Hydraulic motor control mechanism, hydraulic arm clamping mechanism and hydraulic cylinder stroke control mechanism. The hydraulically controlled clamping and turning system only uses hydraulic oil as a liquid medium, and is c...
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Abstract
A hydraulic control clamping and overturning system for large-power diesel engine cylinder cover air valve assembling comprises a hydraulic supply loop, a hydraulic motor control mechanism, a hydraulic arm clamping mechanism and a hydraulic cylinder stroke control mechanism. The hydraulic supply loop comprises an oil tank, a flow meter, an oil injection filter, a filter with a pressure meter and aspring check valve, a motor, a hydraulic pump, the pressure meter, a pressure reduction safety valve and a two-position two-way electromagnetic valve. The hydraulic motor control mechanism comprisesa three-position four-way electromagnetic valve, a mutual control type double hydraulic control one-way valve, a pressure reduction safety valve and a hydraulic motor. The hydraulic arm clamping mechanism comprises a three-position four-way electromagnetic valve, a mutual control type double hydraulic control one-way valve, a duplex one-way speed adjusting valve, a pressure accumulator, a stop valve capable of being opened and closed, a pressure reduction safety valve, a plunger hydraulic cylinder and a pressure relay, and the plunger hydraulic cylinder is provided with a hydraulic arm. The hydraulic cylinder stroke control mechanism comprises a three-position four-way electromagnetic valve, a mutual control type double hydraulic control one-way valve, a one-way speed adjusting valve withelectromagnetic releasing, a pressure relay and a plunger hydraulic cylinder. The hydraulic control clamping and overturning system is high in automation degree and functionality, the operation efficiency is improved, the installing precision is improved, and safety and stability are achieved.
Description
technical field [0001] The invention relates to a mechanical hydraulic control device, in particular to a hydraulically controlled clamping and flipping system for assembling a cylinder head valve of a high-power diesel engine, which belongs to the technical field of diesel engine manufacturing. Background technique [0002] Each working cycle in the working process of a diesel engine goes through four strokes of intake, compression, power and exhaust. [0003] In the thermal process, only the "working medium" has the ability to work when it expands, and we require the engine to continuously produce mechanical work, so the working medium must be expanded repeatedly. Therefore, it is necessary to try to restore the working medium to its original state before expanding it. Therefore, the diesel engine must go through the four thermal processes of intake, compression, expansion, and exhaust before it can return to the initial state, so that the diesel engine can continuously g...
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