Hydraulic control device for rotation and swing of accessory gearbox of engine
A technology for accessory casings and control devices, which is applied to combustion engines, machines/engines, fluid pressure actuators, etc., and can solve problems such as the lack of cleaning of the inner cavity of the casing and the inability to ensure the cleanliness requirements of the assembly of the accessory casing. , to achieve the effect of simple structure, meeting cleanliness requirements and reliable operation
Inactive Publication Date: 2014-12-10
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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Problems solved by technology
[0002] When the existing engine accessory casing is flushed, it can only be cleaned when the gears in the inner cavity of the casing are in a static state, so that the dead corners of the inner cavity of the casing cannot be cleaned well, and the assembly of the accessory casing cannot be guaranteed. Cleanliness requirements; in order to ensure that the dead corners in the engine accessory casing are well cleaned, it is necessary to use a type with a simpler structure, convenient operation, and high operating reliability for the rotation and swing of the engine accessory casing. new equipment
Method used
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Embodiment 1
[0023] This embodiment provides a hydraulic control device for rotating and swinging the engine accessory casing, which is characterized in that: the hydraulic control device for rotating and swinging the engine accessory casing includes a support frame 1, a positioning pin 2, a rotating Bracket 3, first screw shaft 4, transmission device 5, second screw shaft 6, shaft sleeve 7, swing cylinder 8, bolt shaft 9, hydraulic motor 10, oil tank 11, oil pump 12, filter 13, two-position three-way Solenoid valve 14, throttling speed control valve 15, pressure gauge one 16, two-position two-way solenoid valve 17, pressure gauge two 18, three-position four-way solenoid valve 19, accumulator 20, speed control valve 21, pressure reducing valve 22. Safety valve 23;
[0024] Locating pin 2 carries out positioning connection with rotating support 3 and supporting frame 1, fixes rotating supporting frame 3 and supporting frame 1 by bolt 9, the accessory case of engine is passed first screw sha...
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The invention relates to a hydraulic control device for rotation and swing of an accessory gearbox of an engine. The hydraulic control device comprises a support frame, a locating pin, a rotary bracket, a screw shaft, a transmission device, a connecting shaft sleeve, a swing cylinder, a bolt shaft, a hydraulic motor, an oil tank, an oil pump, a filter, a two-position three-way electromagnetic valve, a throttle governing valve, a pressure gauge, a two-position two-way electromagnetic valve, a three-position four-way electromagnetic valve, an energy accumulator, a speed regulation valve, a pressure reducing valve and a safety valve, wherein the hydraulic motor drives a spline shaft of the transmission device to rotate by the connecting shaft sleeve; the oil tank is sequentially connected with the oil pump, the filter and the two-position three-way electromagnetic valve; an output end of the two-position three-way electromagnetic valve is connected with the hydraulic motor; the swing cylinder is connected with the three-position four-way electromagnetic valve; and the three-position four-way electromagnetic valve is respectively connected with the oil tank and the pressure reducing valve by the speed regulation valve. The hydraulic control device has the advantages of being simple in structure and reliable in running, meeting the requirement on cleanliness of a rotation and swing test of the accessory gearbox of the engine, and being capable of improving the qualification rate of products and achieving expected effects.
Description
technical field [0001] The invention relates to the field of hydraulic control systems, in particular to a hydraulic control device for rotating and swinging an engine accessory casing. Background technique [0002] When the existing engine accessory casing is flushed, it can only be cleaned when the gears in the inner cavity of the casing are in a static state, so that the dead corners of the inner cavity of the casing cannot be cleaned well, and the assembly of the accessory casing cannot be guaranteed. Cleanliness requirements; in order to ensure that the dead corners in the engine accessory casing are well cleaned, it is necessary to use a type with a simpler structure, convenient operation, and high operating reliability for the rotation and swing of the engine accessory casing. new equipment. Contents of the invention [0003] The purpose of the present invention is to provide a hydraulic control device for rotating and swinging the casing of an engine accessory for...
Claims
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IPC IPC(8): F02B7/04F15B11/02
Inventor 刘玫龚弋飞迟艳鞠凤王风君
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION