Separating plate for parallel hydraulic retarders
A hydraulic retarder and isolation plate technology, applied in the direction of liquid resistance brakes, brake components, brake types, etc., can solve the problems of air leakage into the working chamber and affect the work of the hydraulic retarder, and achieve structural optimization Effect
Inactive Publication Date: 2016-11-09
NINGBO HUASHENG AUTOMOBILE PARTS
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Problems solved by technology
When the oil in the fuel tank is pressed into the working cavity by high-pressure air, the hydraulic retarder works. When the high-pressure air in the fuel tank is discharged, the oil returns to the oil tank and the hydraulic retarder stops working, while the hydraulic retarder in the prior art When the oil tank for the hydraulic retarder is insufficient, part of the air will leak into the working chamber, which will affect the work of the hydraulic retarder
Method used
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Embodiment 1
[0015] Such as figure 1 , 2 As shown, the present invention discloses a separation plate for parallel hydraulic retarder. The separation plate is arranged between the cover of the retarder and the cover of the oil chamber of the retarder. Through hole 4, oil outlet through hole 5 and bolt through hole 6, the curved groove is set in the middle of the isolation plate, the oil inlet through hole 4 is opened on the side of the curved groove, and the oil outlet through hole 5 is set at one end of the curved groove , Bolt through holes 6 are scattered on the isolation plate, and are used for bolting with the retarder cover and the retarder oil chamber cover.
[0016] The curved groove is connected by the first arc groove 1 and the second arc groove 2 to form a wave structure. The arc radius of the first arc groove 1 is 4 times the arc radius of the second arc groove 2. Through the transition arc groove 3 Make a transition connection. The bending groove is vertically opened on the...
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The invention relates to the field of mechanical design and manufacturing and discloses a separating plate for parallel hydraulic retarders. The separating plate is arranged between a retarder cover and a retarder oil chamber cover, integrates fixation, gas exhausting and pressure maintenance functions through structural optimization design and is fixed on the retarder oil chamber cover by the aid of bolts to extrude a seal pad placed below, so that good sealing effects can be realized when the separating plate is used for separating all functional areas; and bent grooves in the separating plate are filled with gas in the working process of the retarder, pressure is maintained, and the phenomenon of mixing of incoming oil and outgoing oil due to the fact that oil in an oil inlet channel directly flows into a transition area for the outgoing oil of the retarder and the incoming oil of a heat exchanger without passing through a working cavity is avoided.
Description
technical field [0001] The invention relates to the field of mechanical design and manufacture, in particular to a separating plate for a parallel hydraulic retarder. Background technique [0002] Hydraulic retarder is also called hydraulic deceleration device. Cars use exhaust brake when going down a long slope. Although they can receive a good braking effect, for heavy vehicles with a larger tonnage, the exhaust brake effect is limited. Therefore, hydraulic deceleration retarders are installed on heavy vehicles equipped with hydromechanical transmission. [0003] The hydraulic retarder is a reducer for large trucks. It converts the kinetic energy of the transmission shaft into the internal energy of the oil through the agitation of the oil, and then dissipates heat through the heat exchanger to achieve the retarding effect. When the oil in the fuel tank is pressed into the working chamber by the high-pressure air, the hydraulic retarder works. When the high-pressure air ...
Claims
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IPC IPC(8): F16D57/00F16D65/00
CPCF16D57/00F16D65/00
Inventor 魏少辉李维彪陈江波
Owner NINGBO HUASHENG AUTOMOBILE PARTS