CN214222386U - Straight pipe pressure balance type corrugated compensator - Google Patents

Abstract

The utility model relates to the technical field of pipeline construction, in particular to a straight pipe pressure balance type corrugated compensator, which comprises a balance corrugated pipe, wherein a connector is fixedly arranged on the balance corrugated pipe, a transition pipe is fixedly arranged on the connector, a telescopic shield is fixedly connected on the transition pipe and is fixedly connected on an external pipe, an inner retainer ring and a support ring are fixedly arranged on the external pipe, a support is fixedly arranged on the connector, a compensation spring is fixedly connected on the support, an adjusting screw rod is connected on the support in a threaded manner, a pre-tightening spring is fixedly connected on the external pipe, and a shield cover is fixedly arranged on the pre-tightening spring; the main body structure of the compensator is the balance corrugated pipe, the axial displacement compensation effect can be achieved, the telescopic blocking cover with certain flexibility is connected with the outer connecting pipe, the supporting ring and the compensation spring generate reaction force, and the transverse displacement compensation can be achieved.

Description

Straight pipe pressure balance type corrugated compensator

Technical Field

The utility model relates to a pipeline processing technology field specifically is a straight tube pressure balance type corrugated compensator.

Background

At present, two types of axial compensators for absorbing axial displacement of a pipeline mainly comprise a general compensator and a straight pipe pressure balance compensator, which can effectively absorb axial displacement, but still have certain limitations, for example, the general compensator is used in general occasions, namely, the position of a pipeline is lower, the arrangement is good, when a main fixing bracket is easier to set, the general compensator is often more economical and practical, but in other occasions, when the pressure of the pipeline is higher, the cost of the main fixing bracket is greatly improved because the internal pressure thrust borne by the main fixing bracket is possibly higher, in addition, in some high-altitude and high-pressure pipelines, the main fixing bracket is very difficult to set, sometimes even impossible, at the moment, the general compensator can not meet the design requirements, the other type of the existing compensator, namely, the straight pipe pressure balance compensator at present can only compensate axial displacement, lateral displacement cannot be compensated, and in some occasions, the compensator can be subjected to directional normal pressure, but the existing balance type compensator has no prestress, is relatively fast to reach the limit state and has limited service life. In view of this, we propose a straight pipe pressure balanced type ripple compensator.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a straight tube pressure balance type ripple compensator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a straight tube pressure balance type ripple compensator, includes balanced bellows, fixed mounting has the connector on the balanced bellows, and fixed mounting has the transition pipe on the connector, fixedly connected with flexible fender cover on the transition pipe, and flexible fender cover fixed connection is on taking over outward, take over outward and go up fixed mounting and have interior retaining ring and lock ring, fixed mounting has the support on the connector, and fixedly connected with compensating spring on the support, threaded connection has adjusting screw on the support, and takes over fixedly connected with pretension spring outward, the last fixed mounting of pretension spring has the fender lid.

Preferably, the balance corrugated pipe is of a straight pipe type structure, the connector is of a flange connection structure, and the transition pipe is communicated with the balance corrugated pipe.

Preferably, the telescopic blocking cover is of a corrugated structure and is connected between the transition pipe and the outer connecting pipe, the telescopic blocking cover is located at the front end of the outer connecting pipe, and the inner check ring is located on the side face of the telescopic blocking cover.

Preferably, the support is annularly and symmetrically arranged on the side surface of the connector and is not less than 6, the support ring is arranged between the support and the outer connecting pipe, and the compensation spring is connected between the support and the outer connecting pipe.

Preferably, the bracket is provided with a threaded hole, and the adjusting screw is installed in the threaded hole.

Preferably, the number of the pre-tightening springs and the number of the compensation springs are the same as that of the supports, the blocking cover is installed at the end part of the pre-tightening springs, and the adjusting screw is connected to the blocking cover in a pressing mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the balance corrugated pipe is used as a main body structure of the compensator and can play a role of compensating axial displacement, the transition pipe on one side of the balance corrugated pipe is used for guiding fluid in the external pipe into the balance compensating pipe and is connected with the external pipe through a telescopic shield with certain flexibility, the external pipe can move, the support is used as a limiting structure of the external pipe, the external pipe is installed through the flexible support ring and the compensating spring and is kept in a certain range, and the support ring and the compensating spring generate reaction force through elastic structures such as the support ring and the compensating spring, so that the support can play a role of resetting while absorbing transverse displacement acting force and can compensate for transverse displacement;

2. the utility model discloses an be connected with the pretension spring on taking over outward, the pressure that uses adjusting screw to produce is through keeping off the lid and being used on the pretension spring to produce elasticity effect through the pretension spring and take over outward, before the compensator installation, can be respectively the adjusting screw of outer harmony interior accent symmetry both sides, produce unbalanced power in the both sides of taking over outward, make take over outward to one side deflection production prestressing force, in order to adapt to the installation environment, keep the compensator to be in balanced state, guarantee horizontal compensation effect.

Drawings

Fig. 1 is a front view of the structure of the present invention;

fig. 2 is an enlarged schematic view of the area a in fig. 1.

In the figure: the balance corrugated pipe comprises a balance corrugated pipe 1, a connector 2, a transition pipe 3, a telescopic blocking cover 4, an external connecting pipe 5, an internal check ring 6, a support ring 7, a support 8, a compensation spring 9, an adjusting screw rod 10, a pre-tightening spring 11 and a blocking cover 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a technical solution: the utility model provides a straight tube pressure balance type ripple compensator, including balanced bellows 1, fixed mounting has connector 2 on the balanced bellows 1, and fixed mounting has transition pipe 3 on the connector 2, the flexible cover 4 that keeps off of fixedly connected with on the transition pipe 3, and flexible cover 4 fixed connection that keeps off is on external pipe 5, go up fixed mounting and have interior retaining ring 6 and lock ring 7 on the external pipe 5, fixed mounting has support 8 on the connector 2, and fixedly connected with compensating spring 9 on the support 8, threaded connection has adjusting screw 10 on the support 8, and fixedly connected with pretension spring 11 on the external pipe 5, fixed mounting has fender lid 12 on the pretension spring 11.

The balance corrugated pipe 1 is of a straight pipe type structure, the connector 2 is of a flange connection structure, the transition pipe 3 is communicated with the balance corrugated pipe 1, the balance corrugated pipe 1 is of a main body structure of the compensator and can play a role in compensating axial displacement, one end of the balance compensating pipe 1 is connected with the pipeline main body, and the other end of the balance compensating pipe 1 is connected with the transition pipe 3 through the connector 2;

the telescopic blocking cover 4 is of a corrugated structure and is connected between the transition pipe 3 and the outer connecting pipe 5, the telescopic blocking cover 4 is positioned at the front end of the outer connecting pipe 5, the inner blocking ring 6 is positioned on the side surface of the telescopic blocking cover 4, the transition pipe 3 is used for guiding fluid in the outer connecting pipe 5 into the balance compensating pipe 1, the telescopic blocking cover 4 plays a role in sealing connection, and the telescopic blocking cover 4 is of a flexible structure and has certain flexibility, so that the outer connecting pipe 5 can compensate for transverse displacement, and the inner blocking ring 6 can block the telescopic blocking cover 4 to prevent the telescopic blocking cover 4 from being directly impacted by the fluid;

at least 6 support rings 8 are annularly and symmetrically arranged on the side surface of the connector 2, the support rings 7 are arranged between the support rings 8 and the outer connecting pipe 5, the compensating springs 9 are connected between the support rings 8 and the outer connecting pipe 5, the support rings 8 are used as limiting structures of the outer connecting pipe 5, the outer connecting pipe 5 is arranged through the flexible support rings 7 and the compensating springs 9, the flexible support rings 7 and the compensating springs 9 are kept in a certain range, and the support rings 7, the compensating springs 9 and other elastic structures generate reaction force to absorb transverse displacement acting force and play a role of resetting;

a threaded hole is formed in the bracket 8, the adjusting screw 10 is installed in the threaded hole, and the adjusting screw 10 can rotate to adjust the position, so that the blocking cover 12 is extruded and pushed;

the number of the pre-tightening springs 11 and the number of the compensation springs 9 are the same as that of the supports 8, the blocking covers 12 are installed at the end portions of the pre-tightening springs 11, the adjusting screw rods 10 are tightly connected to the blocking covers 12, pressure generated by the adjusting screw rods 11 acts on the pre-tightening springs 11 through the blocking covers 12, so that elastic force generated by the pre-tightening springs 11 acts on the external connection pipe 5, when the external connection pipe is used, the adjusting screw rods 11 on the two symmetrical sides can be respectively adjusted outwards and inwards, unbalanced force is generated on the two sides of the external connection pipe 5, the external connection pipe 5 deflects towards one side to generate prestress, the installation environment is adapted, a balanced state is maintained, and a transverse compensation effect is guaranteed;

the working principle is as follows: firstly, the balance bellows 1 is the main structure of the compensator and can play a role of compensating axial displacement, one end of the balance compensation pipe 1 is connected with the pipeline main body, the other end of the balance compensation pipe is connected with the transition pipe 3 through the connector 2, the transition pipe 3 is used for guiding fluid in the external pipe 5 into the balance compensation pipe 1, the telescopic shield 4 plays a role of sealing connection, the telescopic shield 4 is a flexible structure and has certain flexibility, so that the external pipe 5 can move and compensate transverse displacement, the inner retainer ring 6 can block the telescopic shield 4 and prevent the telescopic shield from being directly impacted by the fluid, the bracket 8 is the limit structure of the external pipe 5, the external pipe 5 is installed through the flexible support ring 7 and the compensation spring 9 to keep the external pipe within a certain range, and reaction force is generated through elastic structures such as the support ring 7 and the compensation spring 9, absorb the effect that plays the effect that resets when the lateral displacement effort, make the whole function that has the compensation lateral displacement of device, meanwhile, the pressure that adjusting screw 11 produced passes through fender lid 12 and acts on pretension spring 11, thereby produce the elasticity effect on takeover 5 through pretension spring 11, before carrying out the piping erection, can be respectively outer and interior adjusting screw 11 of adjusting the symmetry both sides, take over 5 both sides at outer and produce unbalanced power, make takeover 5 to one side deflection and produce prestressing force, with adaptation installation environment, keep in balanced state, guarantee the lateral compensation effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a straight tube pressure balance type corrugated compensator, includes balanced bellows (1), its characterized in that: fixed mounting has connector (2) on balanced bellows (1), and fixed mounting has transition pipe (3) on connector (2), fixedly connected with flexible fender cover (4) on transition pipe (3), and flexible fender cover (4) fixed connection is on outer pipe (5), outer pipe (5) are gone up fixed mounting and are gone up retaining ring (6) and lock ring (7), fixed mounting has support (8) on connector (2), and fixedly connected with compensating spring (9) on support (8), threaded connection has adjusting screw (10) on support (8), and outer pipe (5) go up fixedly connected with pretension spring (11), fixed mounting has fender lid (12) on pretension spring (11).

2. The straight pipe pressure balanced type corrugated compensator according to claim 1, characterized in that: the balance corrugated pipe (1) is of a straight pipe type structure, the connector (2) is of a flange connection structure, and the transition pipe (3) is communicated with the balance corrugated pipe (1).

3. The straight pipe pressure balanced type corrugated compensator according to claim 1, characterized in that: the telescopic blocking cover (4) is of a corrugated structure and is connected between the transition pipe (3) and the outer pipe (5), the telescopic blocking cover (4) is located at the front end of the outer pipe (5), and the inner check ring (6) is located on the side face of the telescopic blocking cover (4).

4. The straight pipe pressure balanced type corrugated compensator according to claim 1, characterized in that: support (8) are at the side of connector (2) the annular symmetry install be no less than 6, and lock ring (7) are installed between support (8) and external pipe (5), compensating spring (9) are connected between support (8) and external pipe (5).

5. The straight pipe pressure balanced type corrugated compensator according to claim 1, characterized in that: the support (8) is provided with a threaded hole, and the adjusting screw (10) is installed in the threaded hole.

6. The straight pipe pressure balanced type corrugated compensator according to claim 1, characterized in that: the number of the pre-tightening springs (11) and the number of the compensation springs (9) are the same as that of the brackets (8), the blocking cover (12) is arranged at the end part of the pre-tightening springs (11), and the adjusting screw rod (10) is tightly connected to the blocking cover (12).

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