CN200940740Y

CN200940740Y - Improved rotary compensator

Info

Publication number: CN200940740Y
Application number: CN 200620091582
Authority: CN
Inventors: 卢秉威; 白光
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-06-16
Filing date: 2006-06-16
Publication date: 2007-08-29
Anticipated expiration: 2016-06-16

Abstract

Disclosed is an improved rotary compensator including an inner sleeve, an outer sleeve and a sealing base, the improved rotary compensator features that two O-shaped rings and a V-shaped fabric reinforced type seal ring are disposed on a sealing groove located on the outer sleeve, the contact rotary surface located between the inner sleeve and the sealing base is lined with a wear copper ring. The advantage of the utility model is that the new product has no internal pressure thrust (blind plate force), thereby the fixed bracket located on two ends of the compensator can be very small. The compensator installed without any extra fixed bracket has no unstable phenomenon. During heat conservation, there is no need to leave thermal expansion, thus the heat loss in pipeline can be reduced, in particular the seal ring uses the V-shaped fabric reinforced type seal ring which is suitable for all working conditions that the pressure of liquid dielectrics is less than 50Mpa, the rotary worn surface uses contact surface lined with a copper ring, thus the problem that former contact surface is easily worn can be overcome, meanwhile, the compensation ability of the improved rotary compensator can be increased substantially compared to that of common compensator.

Description

Improved rotary compensator

Technical field

The utility model belongs to a kind of heat distribution pipeline compensator, particularly a kind of improved rotary compensator.

Technical background

In the heat supply network design, often can run into the absolute altitude of continuous variation and change the pipeline that moves towards, move towards the pipeline section that pipeline section different and that crow flight distance is not long is formed by the high difference of many segment marks like this, if will rely on existing sleeve, wave mode compensator or door type compensator to compensate, they have presses thrust (being blind plate power) in use can producing, thereby bigger fixed support will be installed in the compensator two ends.Owing to prevent the damage of sleeve and wave mode compensator, need during installation therefore need set up guiding trestle during strictness looks for.And for common whirl compensator, the surface of contact at its sealing position very easily weares and teares, and influences the working life of compensator.

The model utility content

The purpose of this utility model provides a kind of improved rotary compensator, presses thrust (being blind plate power) in not producing, and fixed support is little, do not have unstable phenomenon, guiding trestle need be installed, reduce the pipeline heat loss, the surface of contact of sealing part does not have wearing and tearing, significantly improves compensation ability.

The purpose of this utility model is achieved by the following technical solution: it comprises inner sleeve, outer sleeve, sealing seat, it is characterized in that: the seal ring of twice O-ring seals with V-arrangement folder textile type is set on the seal groove on the inner sleeve, between inner sleeve and sealing seat, contacts the wear-resisting copper ring of lining on the surface of revolution.

The utility model has the advantages that: press thrust (being blind plate power) in this new product does not produce, thereby the fixed support at compensator two ends can be done very for a short time.This kind compensator does not have the phenomenon of unstability, and its installation need not increase extra guiding trestle.Needn't reserve hot extending amount during insulation, can reduce the pipeline heat loss, especially seal ring adopts and is suitable for the V-arrangement folder fabric seal ring of all liq pressure medium less than the 50Mpa operating mode, sealing is reliable, adopt the true face that connects of lining copper ring at rotation wear surface place, overcome the situation that true face very easily weares and teares that in the past connects like this, compensation ability significantly improves than common compensator simultaneously.Installation form is various, wide adaptability, and installation and maintenance are convenient.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Embodiment

See Fig. 1, concrete structure is as follows: suit outer sleeve 7 outside inner sleeve 1, the three seals groove is set on inner sleeve 1, and the seal ring 6 of one V-arrangement folder of assembling textile type is provided with twice O-ring seals 5 on the middle seal groove on the seal groove of both sides.Connect sealing seats 2 in the end of outer sleeve 7 by lock bolt 3, between inner sleeve 1 and sealing seat 2, contact the wear-resisting copper ring 4 of lining on the surface of revolution, but wear-resisting copper ring 4 linings both one of the contact surface of revolution on.

The utility model is assembled in twice O-ring seals 5 on the inner sleeve 1 with the seal ring 6 of V-arrangement folder textile type, and between inner sleeve 1 and sealing seat 2, contact the wear-resisting copper ring 4 of lining on the surface of revolution, when making the temperature variation generation thermal compensation of heat distribution pipeline, inner sleeve 1 can be free to slide rotation, and compensation rate is big.

Claims

1, a kind of improved rotary compensator, it comprises inner sleeve, outer sleeve, sealing seat, it is characterized in that: the seal ring of twice O-ring seals with V-arrangement folder textile type is set on the seal groove on the inner sleeve, between inner sleeve and sealing seat, contacts the wear-resisting copper ring of lining on the surface of revolution.