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H-type rotary joint

A technology of rotary joint and main body, applied in the direction of pipe/pipe joint/pipe fitting, adjustable connection, mechanical equipment, etc., can solve the problems of short service life, poor sealing, heavy weight, etc., to ensure reliability, low friction, light weight effect

Inactive Publication Date: 2013-01-30
YANGZHOU HONGCHENG METALLURGICAL EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing rotary joints are large in size, heavy in weight, poor in sealing performance, prone to leakage accidents, and have a short service life

Method used

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  • H-type rotary joint

Examples

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Effect test

Embodiment 1

[0011] An H-shaped rotary joint, comprising a joint main body 1, a spacer ring 7, a hollow shaft 8, an inner water pipe 9, a circlip 10 for holes, a bearing 11, and a circlip 12 for a shaft. The inner water pipe 9 is arranged on the joint In the main body 1, the joint also includes a spring compensating assembly and a sealing assembly connected to each other. The spring compensating assembly and the sealing assembly are arranged at the rear of the hollow shaft 8. The spring compensating device includes a spring 2, a gasket 3 and an O-ring 4, one end of the spring 2 is set in the inner hole of the joint body 1, and the other end is connected to the gasket 3 and the O-ring 4 in turn; the sealing assembly includes a silicon carbide seal 13 and The cylindrical pin 5 is arranged in the hole on the outer surface of the silicon carbide seal 13. The joint main body 1 is also provided with an oil cup 6 and an observation hole. The oil outlet of the oil cup 6 is connected to the bearing ...

Embodiment 2

[0013] An H-type rotary joint, including a joint body 1, a spacer ring 7, a hollow shaft 8, a circlip 10 for a hole, a bearing 11, and a circlip 12 for a shaft, and the joint also includes interconnected spring compensation components and The sealing assembly, the spring compensation assembly and the sealing assembly are arranged at the rear of the hollow shaft 8, the spring compensation device includes a spring 2, a gasket 3 and an O-ring 4, and one end of the spring 2 is arranged at the joint In the inner hole of the main body 1, the other end is connected to the gasket 3 and the O-ring 4 in turn; the sealing assembly includes a silicon carbide seal 13 and a cylindrical pin 5, and the cylindrical pin 5 is arranged on the outer surface of the silicon carbide seal 13 In the hole, the joint main body 1 is also provided with an oil cup 6 and an observation hole, and the oil outlet of the oil cup 6 communicates with the bearing 11 . Any one of the water inlet and outlet on the jo...

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Abstract

The invention relates to an H-type rotary joint which comprises a joint body, a space ring, a hollow shaft, an inner water pipe, an internal circlip, a bearing, an external circlip, a spring compensating component and a sealing component, wherein the inner water pipe is arranged in the joint body, and the spring compensating component and the sealing component are connected mutually and are arranged in the rear of the hollow shaft. The H-type rotary joint is small in size, lightweight, more reliable in sealability, less in friction force and longer in service life, and working stability and the service lives of rollers of a continuous casting machine are further guaranteed.

Description

technical field [0001] The invention relates to a roller cooling device on a continuous casting machine, in particular to an H-type rotary joint. Background technique [0002] Controlling the temperature of continuous caster rolls is key to extending uptime and reducing maintenance costs. Active control of liquid flow and temperature is important to avoid defects in the continuous casting process and to ensure product stability. The swivel joints allow cooling water to flow into and out of the caster rolls in order to control the temperature of the rolls and bearings and prevent bearing failure. The existing rotary joint has large volume, heavy weight, poor sealing performance, prone to leakage accidents and short service life. Contents of the invention [0003] In order to solve the above problems, the present invention provides an H-shaped rotary joint with simple structure, convenient use, good sealing performance and long service life. [0004] The technical solutio...

Claims

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Application Information

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IPC IPC(8): F16L27/087F16J15/16B22D11/14
Inventor 周红梅陈长东蒋丽萍王军
Owner YANGZHOU HONGCHENG METALLURGICAL EQUIP
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