CN220379173U - Pipeline compensator structure - Google Patents

Abstract

The utility model discloses a pipeline compensator structure, which belongs to the technical field of natural ventilation direct air cooling systems and comprises: a telescoping tube assembly; the two ends of the telescopic pipe assembly are respectively connected with a first corrugated pipe and a second corrugated pipe; the first corrugated pipe and the second corrugated pipe are respectively connected with ports of ventilation pipes at the joint of the two sections of ventilation pipes; and the two sections of the positioning assembly are respectively connected with the shells of the first corrugated pipe and the second corrugated pipe. The length of the compensator can be adjusted by the mutual matching of the telescopic pipe assembly and the positioning assembly, so that the ventilation pipe connection among different intervals can be realized; the corrugated pipe can absorb the transverse displacement of a single plane or multiple planes of the pipeline, and the tension rod can bear the effects of pressure, thrust and other additional external forces, so that the compensator can limit the deformation after working deformation, and the corrugated pipe is protected.

Description

Pipeline compensator structure

Technical Field

The utility model relates to the technical field of natural ventilation direct air cooling systems, in particular to a pipeline compensator structure.

Background

Compared with the common mechanical ventilation direct air cooling system, the natural ventilation direct air cooling system has larger pipe diameter of the steam exhaust pipeline and longer pipeline, so that the expansion amount of the steam exhaust pipeline is larger. In order to absorb the expansion of the pipeline and achieve the aim of safe operation, a pipeline compensator is arranged on the steam exhaust pipeline to achieve the aim of absorbing the expansion of the pipeline.

At present, a hinge type compensator and a lateral compensator are commonly used in a natural ventilation direct air cooling system to eliminate the expansion of a pipeline, wherein the lateral compensator mainly comprises two corrugated pipes and a middle pipe, and the expansion of the ventilation pipeline is absorbed by respectively installing the corrugated pipes at two ends of the middle pipe and then connecting the corrugated pipes with the ventilation pipeline.

However, the length of the side compensator is limited, and the side compensator with a proper length is needed to be installed for the ventilation pipes with different distances, so that when the distance between the ventilation pipes is changed, the length of the side compensator needs to be correspondingly changed, and thus, the limitation of the side compensator in use is obvious.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a pipeline compensator structure, which comprises a telescopic pipe assembly, a telescopic pipe assembly and a telescopic pipe, wherein the telescopic pipe assembly is used for adjusting the length of a compensator;

the two ends of the telescopic pipe assembly are respectively connected with a first corrugated pipe and a second corrugated pipe;

angular deflection of the first bellows and the second bellows may absorb lateral displacement of the conduit in one or more planes;

the first corrugated pipe and the second corrugated pipe are respectively connected with ports of ventilation pipes at the joint of the two sections of ventilation pipes;

the positioning assembly is used for limiting the moving distance of the telescopic pipe assembly;

and two ends of the positioning component are respectively connected with the shells of the first corrugated pipe and the second corrugated pipe.

Further, the extension tube assembly includes: an outer tube and an inner tube;

one end of the outer tube is connected with the tube orifice of the first corrugated tube, and the other end of the outer tube is provided with an inward first annular bulge;

one end of the inner tube extends into the outer tube, the port of the inner tube positioned in the outer tube is provided with a second annular bulge which is outwards,

the second annular projection is sized to match the first annular projection,

the other end of the inner tube is connected with the tube orifice of the second corrugated tube;

the inner tube is movable along an inner wall of the outer tube.

Further, an elastic sealing component is arranged between the first annular bulge and the second annular bulge and is used for preventing the medium in the ventilating duct from overflowing from the joint of the inner pipe and the outer pipe in a large area;

the elastic sealing component is sleeved on the inner pipe.

Further, the elastic sealing assembly includes: a spring and a sealing washer;

the spring and the sealing washer are sleeved on the inner tube,

the sealing gasket is closely attached to the bottom end face of the second annular protrusion.

Further, an annular groove is formed in the bottom of the sealing gasket; the annular groove is used for limiting the upper end of the spring.

Further, the positioning assembly includes: end plates and tie rods;

the end plates are respectively arranged on the shells of the first corrugated pipe and the second corrugated pipe, and are symmetrically distributed in the circumferential direction of the shells, and the end plates on the shells of the first corrugated pipe and the second corrugated pipe are correspondingly arranged;

the pull rod is arranged between the two end plates which are correspondingly arranged;

the end plates are provided with through adjusting notches, two ends of the pull rod respectively pass through the adjusting notches on the end plates on the same side,

and the pull rod is also provided with positioning nuts, the positioning nuts are positioned on two sides of the end plate, which are opposite to each other, and when the positioning nuts are in a unscrewed state, the pull rod can slide along the adjusting notch.

Further, the adjusting notch is an elongated slot notch.

The utility model has the beneficial effects that:

the length of the compensator can be adjusted by the mutual matching of the telescopic pipe assembly and the positioning assembly, so that the ventilation pipe connection among different intervals can be realized; the corrugated pipe can absorb the transverse displacement of a single plane or multiple planes of the pipeline, and the tension rod can bear the effects of pressure, thrust and other additional external forces, so that the compensator can limit the deformation after working deformation, and the corrugated pipe is protected.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the joint of the inner tube and the outer tube in a cut-away structure.

Reference numerals: 1 is a first corrugated pipe, 2 is a second corrugated pipe, 3 is an outer pipe, 4 is an inner pipe, 5 is a first annular bulge, 6 is a second annular bulge, 7 is a spring, 8 is a sealing gasket, 9 is an end plate, and 10 is a pull rod.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the embodiments of the present utility model will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-2, a duct compensator structure includes: the telescopic pipe assembly is used for adjusting the length of the compensator;

the two ends of the telescopic pipe assembly are fixedly connected with a first corrugated pipe 1 and a second corrugated pipe 2 respectively;

angular deflection of the first bellows 1 and the second bellows 2 absorbs transverse displacement of the pipe in one or more planes;

the first corrugated pipe 1 and the second corrugated pipe 2 are respectively fixedly connected with ports of ventilation pipes at the joint of the two sections of ventilation pipes;

the positioning assembly is used for limiting the moving distance of the telescopic pipe assembly;

the two ends of the positioning component are fixedly connected with the shells of the first corrugated pipe 1 and the second corrugated pipe 2 respectively.

It should be noted that, the main utility model point of this scheme lies in that through the flexible pipe subassembly that sets up can adjust the interval between first bellows and the second bellows to realize adjusting the length of compensator, then utilize locating component to inject the position after adjusting the interval, avoid when using the interval of first bellows of pipe and second bellows to change.

In some embodiments, the extension tube assembly comprises: an outer tube 3 and an inner tube 4;

one end of the outer tube 3 is fixedly connected with the tube orifice of the first corrugated tube 1, and the other end of the outer tube 3 is fixedly provided with an inward first annular bulge 5;

one end of the inner tube 4 extends into the outer tube 3, and an outward second annular protrusion 6 is fixedly arranged at the port of the inner tube 4 positioned in the outer tube 3, wherein the second annular protrusion is contacted with the inner wall of the outer tube, and only slight friction exists between the second annular protrusion and the inner wall of the outer tube;

the second annular projection 6 is matched in size to the first annular projection 5,

the other end of the inner tube 4 is fixedly connected with the tube orifice of the second corrugated tube 2;

the inner tube 4 is movable along the inner wall of the outer tube 3; wherein when a force is applied to the inner tube and/or the outer tube, sliding is generated between the inner tube and the outer tube.

In some embodiments, an elastic sealing assembly is arranged between the first annular bulge 5 and the second annular bulge 6, so as to prevent the medium in the ventilation pipeline from overflowing from the joint of the inner pipe 4 and the outer pipe 3 in a large area;

the elastic sealing component is sleeved on the inner pipe 4; the elastic sealing component can elastically deform along with the approach of the first annular bulge and the second annular bulge, so that the elastic sealing component can play a role in buffering when the inner pipe and the outer pipe radially move, and the problem of direct collision between the first annular bulge and the second annular bulge is avoided.

In some embodiments, the elastomeric seal assembly includes: a spring 7 and a sealing washer 8;

the spring 7 and the sealing washer 8 are sleeved on the inner tube 4,

the sealing gasket 8 is fixedly arranged close to the bottom end face of the second annular bulge 6.

The spring is used for buffering acting force generated when the inner pipe and the outer pipe move, and simultaneously, an elastic force is applied to the sealing gasket all the time.

The sealing gasket has the function of preventing the medium in the ventilation pipe from overflowing from the gap at the joint of the inner pipe and the outer pipe, and in addition, the sealing gasket adopts an elastic pad, such as a rubber pad, and the like, and the sealing gasket can slightly elastically deform due to the acting force of a spring, so that the acting force between the end face of the outer ring of the sealing gasket and the inner wall of the outer pipe can be increased, and the medium overflowing preventing effect is better.

In some embodiments, the bottom of the sealing gasket 8 is provided with an annular groove; the annular groove is used for limiting the upper end of the spring 7. The annular groove is favorable for the spring to apply uniform acting force to the sealing gasket, so that the deformation caused by unbalanced stress of the sealing gasket is avoided, and the effect of preventing medium from overflowing is reduced.

In some embodiments, the positioning assembly comprises: an end plate 9 and a tie rod 10; threads are arranged on the surface of the pull rod;

the end plates 9 are at least provided with three pairs and are symmetrically and fixedly arranged on the shells of the first corrugated pipe 1 and the second corrugated pipe 2; the end plates 9 are respectively arranged on the shells of the first corrugated pipe 1 and the second corrugated pipe 2, the end plates 9 are symmetrically distributed in the circumferential direction of the shells, and the end plates 9 on the shells of the first corrugated pipe 1 and the second corrugated pipe 2 are correspondingly arranged;

the number of the pull rods 10 is half of that of the end plates 9, and the pull rods 10 are arranged between the two end plates 9 which are correspondingly arranged;

the end plates 9 are provided with through adjusting notches, two ends of the pull rod 10 respectively pass through the adjusting notches on the end plates 9 on the same side,

the pull rod 10 is also screwed with positioning nuts, the positioning nuts are positioned on two sides of the end plate opposite to each other, and when the positioning nuts are in a unscrewed state, the pull rod 10 can slide along the adjusting notch; the adjusting notch is a long groove type notch, wherein the notch is provided with a semicircular notch and a rectangular notch which are integrally formed.

The positioning assembly has the effects that the length of the compensator is regulated and then is limited, when the length of the compensator is shortened, the positioning nut is unscrewed, then the pull rod is moved to one side of the regulating notch, then opposite radial acting force is applied to the first corrugated pipe and the second corrugated pipe, in the process of continuously applying the acting force, the part of the inner pipe extending into the outer pipe is increased, when the length of the compensator reaches the required length, the acting force is stopped, then the pull rod is moved to the other side of the regulating notch, and then the positioning nut is screwed.

When the length of the compensator is extended, the direction of the force applied by the process is opposite to that of the force applied by the process, the part of the inner tube extending out of the outer tube is increased in the process of continuously applying the force, when the length of the compensator reaches the required length, the force is stopped, then the pull rod is moved to adjust the other side of the notch, and then the positioning nut is screwed.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (7)

1. A pipe compensator structure comprising:

the telescopic pipe assembly is used for adjusting the length of the compensator;

the two ends of the telescopic pipe assembly are respectively connected with a first corrugated pipe and a second corrugated pipe;

angular deflection of the first bellows and the second bellows may absorb lateral displacement of the conduit in one or more planes;

the first corrugated pipe and the second corrugated pipe are respectively connected with ports of ventilation pipes at the joint of the two sections of ventilation pipes;

the positioning assembly is used for limiting the moving distance of the telescopic pipe assembly;

and two ends of the positioning component are respectively connected with the shells of the first corrugated pipe and the second corrugated pipe.

2. The pipe compensator structure of claim 1 wherein the extension pipe assembly comprises: an outer tube and an inner tube;

one end of the outer tube is connected with the tube orifice of the first corrugated tube, and the other end of the outer tube is provided with an inward first annular bulge;

one end of the inner tube extends into the outer tube, the port of the inner tube positioned in the outer tube is provided with a second annular bulge which is outwards,

the second annular projection is sized to match the first annular projection,

the other end of the inner tube is connected with the tube orifice of the second corrugated tube;

the inner tube is movable along an inner wall of the outer tube.

3. A pipe compensator structure according to claim 2, wherein an elastic sealing member is provided between the first annular projection and the second annular projection for preventing medium in the ventilation pipe from overflowing over a large area from the junction of the inner pipe and the outer pipe;

the elastic sealing component is sleeved on the inner pipe.

4. A pipe compensator structure according to claim 3, wherein the resilient seal assembly comprises: a spring and a sealing washer;

the spring and the sealing washer are both sleeved on the inner tube,

the sealing gasket is closely attached to the bottom end face of the second annular protrusion.

5. A pipe compensator structure according to claim 4, wherein the bottom of the sealing gasket is provided with an annular groove; the annular groove is used for limiting the upper end of the spring.

6. A pipe compensator structure as claimed in claim 1, wherein said positioning assembly comprises: end plates and tie rods;

the end plates are respectively arranged on the shells of the first corrugated pipe and the second corrugated pipe, and are symmetrically distributed in the circumferential direction of the shells, and the end plates on the shells of the first corrugated pipe and the second corrugated pipe are correspondingly arranged;

the pull rod is arranged between the two end plates which are correspondingly arranged;

the end plates are provided with through adjusting notches, two ends of the pull rod respectively pass through the adjusting notches on the end plates on the same side,

and the pull rod is also provided with positioning nuts, the positioning nuts are positioned on two sides of the end plate, which are opposite to each other, and when the positioning nuts are in a unscrewed state, the pull rod can slide along the adjusting notch.

7. The duct compensator structure of claim 6 wherein the adjustment slot is an elongated slot.