Efficient oil mist sealing device and sealing method

A sealing device and oil mist technology, which is applied to the sealing of the engine, engine components, mechanical equipment, etc., can solve the problems of safe and stable operation of the unit, increase the flow resistance, and the effect is not significant, and achieve good elasticity and wear resistance , increase sealing performance, prevent static electricity effect

Pending Publication Date: 2020-10-02
ZHEJIANG YIPU LUBRICATION EQUIP MFGCO
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Problems solved by technology

[0002] It is a relatively common phenomenon that oil mist appears in bearings during the operation of hydropower units, but the problem of oil mist will bring huge safety hazards to the safe and stable operation of the unit
At present, there are two main types of oil mist sealing devices in hydropower units. One is non-contact sealing, and its structure is mainly a labyrinth seal. A single labyrint

Method used

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  • Efficient oil mist sealing device and sealing method
  • Efficient oil mist sealing device and sealing method
  • Efficient oil mist sealing device and sealing method

Examples

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Example Embodiment

[0025] Below we combine Figure 1-4 The high-efficiency oil mist sealing device and the use method of the present invention will be further explained.

[0026] See attached Figure 1-2 As shown, a high-efficiency oil mist sealing device of this embodiment includes: a bracket 1, a labyrinth seal ring 2 mounted on the bracket 1, a seal 4 mounted on the labyrinth seal ring 2, and a seal 4 mounted on the seal 4 The brush holder 5, the sealing plate 8 installed on the brush holder 5, the pressure plate 6 installed on the sealing plate 8, the brush holder 5 is equipped with a sealing brush 7, and the sealing brush 7 includes a base 703 and a bristle assembly 704 mounted on the base , Through the non-contact seal of the labyrinth seal ring 2 and the contact seal of the seal brush 7, the oil mist generated during the operation of the equipment can be sealed twice to improve the sealing performance and achieve the purpose of preventing oil mist leakage.

[0027] See attached Figure 2-3 As...

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Abstract

The invention discloses an efficient oil mist sealing device. The efficient oil mist sealing device comprises a bracket, a labyrinth sealing ring mounted on the bracket, a sealing gasket mounted on the labyrinth sealing ring, a brush holder mounted on the sealing gasket, a sealing plate mounted on the brush holder, and a pressing plate mounted on the sealing plate, the efficient oil mist sealing device is characterized in that a sealing brush is mounted on the brush holder, and the sealing brush comprises a base and a bristle assembly mounted on the base. The efficient oil mist sealing deviceis simple in structure, oil mist leakage can be effectively prevented through non-contact sealing of the labyrinth sealing ring and contact sealing of the sealing brush, the nylon-material made sealing brush which is good in elasticity and resistant to abrasion is adopted, meanwhile, the sealing brush is coated with a adhesive sticker and a silicone oil, the lubricity of the sealing brush is improved, the sealing performance of the sealing device is improved, and due to the detachable structural design of a bolt, the device is convenient to mount and dismount.

Description

technical field [0001] The invention relates to the field of sealing, in particular to a high-efficiency oil mist sealing device. Background technique [0002] It is a common phenomenon that oil mist appears in bearings during the operation of hydropower units, but the problem of oil mist will bring huge safety hazards to the safe and stable operation of the unit. At present, there are two main types of oil mist sealing devices in hydropower units. One is non-contact sealing, and its structure is mainly a labyrinth seal. A single labyrinth seal only increases the flow resistance, and the effect of preventing oil mist leakage is not significant; the other One type is contact seal, mainly felt seal, or high polymer material as the friction pair for sealing, but there are also disadvantages such as poor lubricity and serious friction and wear. Therefore, a high-efficiency oil mist sealing device and sealing method are proposed. Contents of the invention [0003] The object o...

Claims

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Application Information

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IPC IPC(8): F16J15/447F16J15/3288
CPCF16J15/3288F16J15/4472
Inventor 何宇锋陈梁孙刚
Owner ZHEJIANG YIPU LUBRICATION EQUIP MFGCO
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