Automatic waste oil discharge device based on sealing rings
A discharge device and sealing ring technology, which is applied in the direction of engine sealing, engine components, mechanical equipment, etc., can solve the problem of not being able to discharge grease, and achieve the effect of ensuring the amount of grease retained and avoiding deposition
Active Publication Date: 2016-10-12
HUBEI XINZHI TECH CO LTD
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Problems solved by technology
Second, in the process of degreasing, the discharged grease should preferably be waste and old grease or a mixture of old and new grease, and the newly added grease cannot be discharged, and the current sealing device for automatically draining waste grease cannot meet the above requirements
Method used
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[0010] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0011] The overall structure of the waste fat automatic draining device provided by the invention is as follows: figure 1 As shown, it includes an equipment end cover 1, a rotating shaft 2, a moving ring and a static ring. The static ring is installed and fixed on the equipment end cover 1 by bolts, and the moving ring is fixed on the rotating shaft 2 by a top screw 3. And rotate with the rotating shaft, described moving ring is made up of inner moving ring 4, outer moving ring 5, connecting ring, inner moving ring 4 is sleeved on the rotating shaft along the axial direction, outer moving ring 5 is sleeved on the inner moving ring, The connecting ring is fixed on the right end of the inner moving ring and the outer moving ring and the inner moving ring and the outer moving ring are fixed into an integrated structure, and the outer circular surface of the left end of ...
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The invention provides an automatic waste oil discharge device based on sealing rings. The device at least comprises an equipment end cap, a rotary shaft, a movable ring and a static ring. The movable ring is composed of an inner movable ring body, an outer movable ring body and a connection ring, the rotary shaft is axially sleeved with the inner movable ring body, the inner movable ring is sleeved with the outer movable ring, an axial flow guide stair is distributed on the outer circumference of the left end of the outer movable ring body, and a stirring stair is evenly distributed on the outer circumference of the right end of the outer movable ring body. The static ring is composed of an inner static ring body, an outer static ring body, a fixing ring and an isolation ring, the isolation ring is fixed to the inner circumference of the right end of the outer static ring body and located between the flow guide stair and the stirring stair, the inner static ring body is located between the inner movable ring body and the outer movable ring body, an axial through oil discharge channel is formed in the isolation ring and located above the axis of the rotary shaft, and an oil discharge hole is formed in the position, corresponding to the flow guide stair, at the bottom of the fixing ring. By means of the automatic waste oil discharge device, automatic oil discharge can be achieved, and meanwhile the holding volume of oil in a sealing cavity is guaranteed.
Description
technical field [0001] The invention provides a sealing device used in a rotating shaft or a gear box, in particular relates to a waste grease automatic draining sealing device used in a large-diameter rotating shaft, which belongs to the technical field of sealing. Background technique [0002] The labyrinth seal is to set a number of annular sealing teeth arranged in sequence around the rotating shaft. A series of interception gaps and expansion cavities are formed between the teeth. device for the purpose. Because there is a gap between the rotor and the casing of the labyrinth seal, there is no solid contact, and thermal expansion is allowed, so it is suitable for high temperature, high pressure, and high speed frequency occasions. This sealing form is widely used in steam turbines, gas turbines, compressors, and blowers. The shaft end and the seal between stages. However, in some specific working conditions, the lubricating grease in the sealing cavity is required to ...
Claims
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IPC IPC(8): F16J15/3284F16J15/324
CPCF16J15/324F16J15/3284
Inventor 刘丽霞
Owner HUBEI XINZHI TECH CO LTD