CN2364317Y

CN2364317Y - Bellows ball compensator

Info

Publication number: CN2364317Y
Application number: CN 99223518
Authority: CN
Inventors: 洪晓波
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-04-20
Filing date: 1999-04-20
Publication date: 2000-02-16
Anticipated expiration: 2009-04-20

Abstract

The utility model relates to a corrugated pipe spherical compensator, which adopts a corrugated pipe and can be welded with a connection pipe via a connection disc so as to form a fluid channel. A couple of convex and concave spherical surface pairs are welded on one side connection pipe, the other side connection pipe is welded with a balance disc, and the balance disc is connected with a pulling force rod with the concave spherical surface so as to bear the internal pressure thrust of the corrugated pipe. Therefore, the axial and transverse freedom of the corrugated pipe is limited, and the corrugated pipe can only bend around an axial cord midpoint of the corrugated pipe. The utility model has the characteristics of little bending resistance and small reverse supporting force of pipeline support brackets.

Description

The bellows ball compensator

The utility model relates to a kind of pipe, pipe joint or pipe fitting, particularly a kind of bellows ball compensator.

Ball compensator can make two coupled pipeline sections do the angular displacement of any direction, to satisfy the temperature difference compensation of complex space piping, is the main compensating form of space piping, is widely used in heating power and process pipe.The problem of its existence of tradition ball compensator is the manufacturing process complexity, requires the part processing precision height, and duration of work will regularly add the notes sealing compound, not only use inconvenience, and seal unreliable, because of the contact pressure height, frictional force is big, and rotational resistance torque is also big, and the support of pipelines counter-force also increases thereupon.The utility model has been established a kind of bellows ball compensator for overcoming the problems referred to above meter, and it is little that this compensator has a bending resistance, without any need for the characteristics of safeguarding.

The purpose of this utility model provides a kind of bellows ball compensator that need not add the notes sealing compound.

The utility model is achieved in that the core of bellows ball compensator partly is a bellows, it is by connecing dish and taking over welding, form the fluid passage of a flexibility, therefore there is not sealing problem, a pair of negative and positive ball ring is welded on the pipe nipple, opposite side then is welded with Balance disc on taking over, and Balance disc is connected with stayed mast with cloudy ball ring, to bear the interior pressure thrust of bellows.And placed restrictions on bellows thus in axial and horizontal degrees of freedom, making it can only be around the bending of bellows axis mid point.Establish the water conservancy diversion cover in the bellows chamber, both also are that the centre of sphere is the ball ring of " O ", can rotate around " O " point with the outer spherical surface pad.Can lay heat-resisting, corrosion-resistant, anti abrasive lining according to medium character in the water conservancy diversion cover.

Compared with the prior art the utility model has and does not rely on the contact of working surface to reach sealing, and therefore low to the requirement on machining accuracy of component, manufacturing process is simple.As long as the design strength and the fatigue life of metal bellows are enough, between the later stage any sewing can not taken place, do not need any maintenance yet.And also have bending resistance little, the characteristics that the support reaction of support of pipelines is also little.

Concrete structure of the present utility model and embodiment are provided by the following drawings.

What accompanying drawing provided is general structure schematic representation of the present utility model.

Below in conjunction with accompanying drawing embodiment of the present utility model is done with further instruction.

See shown in the accompanying drawing: the bellows ball compensator is to adopt bellows 6; have at the two ends of bellows 6 and to connect dish 7; connect dish 7 and take over 1 welding; form the fluid passage of a flexibility; taking over welding Balance disc 3 on 1; the positive ball ring 9 of weldering in the adapter 1 of opposite side; 8 of cloudy ball rings that is complementary with positive ball ring 9 link to each other with Balance disc 3 with stayed mast 4; its outside also is surrounded by protecting jacket 5; in bellows 6 and taking over a pair of negative and positive sphere water conservancy diversion cover 2,10 of welding on 1, have 12,11 linings in negative and positive sphere water conservancy diversion cover 2,10 inboards.

Claims

1; a kind of bellows ball compensator; it is characterized in that: have at the two ends of bellows (6) and connect dish (7); connect dish (7) and take over (1) welding; constitute the fluid passage; taking over (1) upward welding Balance disc (3); weldering positive ball ring (9) is gone up in the adapter of opposite side (1); then use stayed mast (4) to link to each other with the cloudy ball ring (8) that positive ball ring (9) is complementary with Balance disc (3); its outside also has protecting jacket (5); in bellows (6) and in adapter (1), go up welding a pair of negative and positive sphere water conservancy diversion cover (2); (10), at negative and positive sphere water conservancy diversion cover (2); (10) inboard has (12); (11) lining.