CN218954327U

CN218954327U - Spherical compensator for pipeline

Info

Publication number: CN218954327U
Application number: CN202223518344.0U
Authority: CN
Inventors: 罗丽; 曹家斌; 苏宇翔; 罗亮
Original assignee: Yibin Sanjiang Machinery Co Ltd
Current assignee: Yibin Sanjiang Machinery Co Ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-02
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a spherical compensator for a pipeline, relates to the technical field of pipeline compensators, and is mainly used for solving the problem that the existing spherical compensator can only meet unidirectional angle compensation and does not have axial compensation and bidirectional angle compensation functions. The main structure is as follows: the axial compensation device comprises an axial compensation component capable of axially stretching and contracting, and angle compensation components are arranged at two ends of the axial compensation component. The spherical compensator for the pipeline can simultaneously meet the angle compensation requirement and the axial compensation requirement caused by the problem of thermal expansion of the pipeline.

Description

Spherical compensator for pipeline

Technical Field

The utility model relates to the technical field of pipeline compensators, in particular to a spherical compensator for a pipeline.

Background

As the pipeline connecting piece and the pipeline connecting application field become wider and wider, the pipeline compensator is often adopted to solve the problem of thermal expansion caused by the high-temperature pipeline environment. Currently, common pipe compensators are: natural compensators, square compensators, sleeve compensators, stainless steel bellows compensators, ball-type compensators, and the like. The spherical compensator digests, absorbs or compensates the angular offset and the linear displacement on the heat pipeline mainly through the rotation of the sphere in the spherical assembly, thereby achieving the purpose of the compensator and having the advantages of large compensation capacity, small fluid resistance, small deformation stress, no blind plate force, small acting force on the fixed support and the like.

However, the existing spherical compensator can only meet the unidirectional angle compensation function, and does not have the axial compensation function and the bidirectional angle compensation function.

Disclosure of Invention

The utility model aims to provide a spherical compensator for a pipeline, which can simultaneously meet the angle compensation requirement and the axial compensation requirement caused by the problem of thermal expansion of the pipeline.

In order to achieve the above purpose, the utility model provides a spherical compensator for a pipeline, which comprises an axial compensation component capable of axially stretching and retracting, wherein both ends of the axial compensation component are provided with an angle compensation component, and medium channels communicated with the axial compensation component and the angle compensation component are arranged in the axial compensation component.

As a further improvement of the utility model, the axial compensation component comprises an axially arranged pipe shaft, a pipe body is sleeved outside the pipe shaft, and the pipe shaft is in axial sliding sealing fit with the pipe body.

As a further improvement of the utility model, a plurality of sealing grooves which are sequentially arranged along the axial direction of the pipe shaft are arranged on the outer wall of the pipe shaft, the sealing grooves are arranged around the axis of the pipe shaft, and axial compensation sealing rings are arranged in the sealing grooves.

As a further improvement of the utility model, the outer wall of the pipe shaft is also provided with a limit groove extending along the axial direction of the pipe shaft, and the pipe body is provided with a hexagon head screw penetrating through the side wall of the pipe body and extending into the limit groove on the pipe shaft.

As a further improvement of the utility model, one end of the pipe shaft, which is far away from the pipe body, is provided with an angle compensation component, the angle compensation component comprises a spherical pipe body coaxially arranged on the pipe shaft and the end part of the pipe body, the spherical pipe body is connected with a mounting sleeve with the inner wall matched with the shape of the outer wall of the spherical pipe body, and the mounting sleeve is matched with the spherical pipe body in a universal sealing way.

As a further improvement of the utility model, the inner wall of the installation sleeve close to one end of the spherical pipe body is provided with an installation step which is arranged around the axis of the installation sleeve, the installation step is provided with an angle compensation sealing ring which is arranged around the axis of the installation sleeve, one side of the angle compensation sealing ring close to the end face of the installation sleeve is also provided with a positioning compression ring which is arranged around the axis of the installation sleeve, and the outer wall of the installation sleeve close to one end of the spherical pipe body is in threaded connection with a jacknut which is used for compressing the positioning compression ring.

As a further improvement of the utility model, two angle compensation sealing rings are arranged on the mounting step along the extending direction of the mounting sleeve; an intermediate sealing ring which is arranged around the axle center of the mounting sleeve is also arranged between the two angle compensation sealing rings.

As a further improvement of the utility model, the shape of the inner ring side of the positioning compression ring is matched with the shape of the outer wall of the spherical pipe body.

As a further improvement of the utility model, the jacketing nut is provided with a set screw penetrating through the side wall of the jacketing nut and in threaded connection with the side wall of the mounting sleeve.

As a further improvement of the utility model, a flange is arranged on one end of the mounting sleeve, which is far away from the spherical pipe body.

Compared with the prior art, the spherical compensator for the pipeline has the advantages that:

1. by arranging the ball compensator between the conduits or between the conduits and the product, the fluid medium can be normally transported by means of the medium channels in the axial compensation assembly and the angle compensation assembly. In the process of conveying the fluid medium, the axial compensation requirement generated by the thermal expansion problem of the pipeline can be met through the axial expansion of the axial compensation component; meanwhile, the angle compensation assembly can meet the angle compensation requirement generated by the problem of thermal expansion of the pipeline. Therefore, compared with the existing spherical compensator, the spherical compensator can have both a bidirectional angle compensation function and an axial compensation function. And because the two ends of the axial compensation component are provided with the angle compensation components, the guide pipes/products with the two ends connected by the angle compensation components can randomly rotate along the central axial direction of the axial compensation component, thereby realizing the large-angle compensation requirement.

2. The sealing groove of the multi-strip axial compensation sealing ring is arranged on the outer wall of the pipe shaft, so that the sealing effect between the pipe shaft and the pipe body can be ensured. Meanwhile, the expansion and contraction redundancy of the axial compensation function can be improved.

3. Through the cooperation of spacing groove and hex head screw on the spool, can prevent that the spool from deviating from in the body.

4. Set up through the holding screw that runs through the holding nut lateral wall and with installation sleeve lateral wall threaded connection on the holding nut, can prevent that the holding nut from coming off from the installation sleeve to make the holding nut can compress tightly the location clamping ring, and then can jack up tight angle compensation sealing ring, guaranteed the leakproofness between bulb body and the installation sleeve.

The utility model will become more apparent from the following description taken in conjunction with the accompanying drawings which illustrate embodiments of the utility model.

Drawings

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

FIG. 1 is a half cross-sectional view of the present utility model;

fig. 2 is a cross-sectional view of the present utility model.

Wherein: 1-a tube body; 11-hex head screw; 2-tube shaft; 21-sealing the groove; 22-an axial compensating seal ring; 23-a limit groove; 3-spherical pipe body; 4-installing a sleeve; 41-a flange plate; 42-mounting steps; 43-angle compensating seal ring; 44-an intermediate sealing ring; 45-positioning a compression ring; 5-sheathing the nut; 51-set screw.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present utility model, "plurality" means at least 3.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Embodiments of the present utility model will now be described with reference to the accompanying drawings.

Examples

The embodiment of the utility model is shown in fig. 1-2, and the spherical compensator for the pipeline comprises an axial compensation component which can axially stretch and retract, wherein two ends of the axial compensation component are provided with an angle compensation component. The axial compensation component and the angle compensation component are internally provided with communicated medium channels. Specifically, the axial compensation component comprises an axially arranged pipe shaft 2, a pipe body 1 is sleeved outside the pipe shaft 2, and the pipe shaft 2 is in axial sliding sealing fit with the pipe body 1. Meanwhile, one end of the pipe shaft 2 far away from the pipe body 1 is provided with an angle compensation component, and one end of the pipe body 1 far away from the pipe shaft 2 is provided with an angle compensation component. The angle compensation component comprises a spherical pipe body 3 coaxially arranged on the end parts of the pipe shaft 2 and the pipe body 1, and the spherical pipe body 3 is respectively connected with a mounting sleeve 4 with the inner wall being matched with the shape of the outer wall of the spherical pipe body 3. The outer wall of the spherical pipe body 3 is spherical, and the inner wall of the installation sleeve 4 is matched with the outer wall of the spherical pipe body 3 in shape, namely, the installation sleeve 4 is matched with the spherical pipe body 3 in a universal sealing mode.

When the device is used, the spherical compensator is arranged between the guide pipes or between the guide pipes and the products, and the connection of the device and the guide pipes/the products is completed by utilizing an angle compensation component. The fluid medium can be normally conveyed by using medium channels in the axial compensation component and the angle compensation component. In the process of conveying the fluid medium, axial expansion and contraction are formed through axial sliding sealing fit between the tube shaft 2 and the tube body 1 of the axial compensation component, so that the axial compensation requirement generated by the problem of thermal expansion of the pipeline can be met. Meanwhile, the spherical pipe body 3 of the angle compensation component is in universal sealing fit with the installation sleeve 4, so that the angle compensation requirement generated by the problem of thermal expansion of the pipeline can be met.

Therefore, compared with the existing spherical compensator, the spherical compensator can have both an angle compensation function and an axial compensation function. And because the two ends of the axial compensation component are provided with the angle compensation components, the guide pipes/products with the two ends connected by the angle compensation components can randomly rotate along the central axial direction of the axial compensation component, thereby realizing the large-angle compensation requirement.

Regarding the sliding seal fit between the tube shaft 2 and the tube body 1, a plurality of seal grooves 21 are provided on the outer wall of the tube shaft 2, which are sequentially arranged in the axial direction thereof. The seal groove 21 is provided around the axial center of the pipe shaft 2, and an axial compensation seal ring 22 is provided in the seal groove 21. In the present embodiment, there are 10 seal grooves 21 sequentially arranged in the axial direction of the pipe shaft, and among the 4 seal grooves 21 located on both sides, only one axial compensation seal ring 22 is provided. By providing the seal groove 21 of the multi-strip axial compensation seal ring 22 on the outer wall of the tube shaft 2, the sealing effect between the tube shaft 2 and the tube body 1 can be ensured. Meanwhile, the expansion and contraction redundancy of the axial compensation function can be improved.

Meanwhile, a limiting groove 23 extending along the axial direction of the pipe shaft 2 is further formed in the outer wall of the pipe shaft 2, and a hexagon head screw 11 penetrating through the side wall of the pipe body 1 and extending into the limiting groove 23 on the pipe shaft 2 is arranged on the pipe body 1. The pipe shaft 2 can be prevented from being separated from the pipe body 1 by the cooperation of the limit groove 23 and the hexagon head screw 11. In this embodiment, the limiting groove 23 is a step groove and circumferentially distributed around the tube shaft 2, so that 3 hexagon head screws 11 are correspondingly matched with the limiting groove 23.

Regarding the universal sealing fit between the spherical pipe body 3 and the mounting sleeve 4, a mounting step 42 arranged around the axis of the mounting sleeve 4 is arranged on the inner wall of the mounting sleeve 4 near one end of the spherical pipe body 3. The mounting step 42 is provided with an angle compensating sealing ring 43 arranged around the axis of the mounting sleeve 4. The side of the angle compensation sealing ring 43, which is close to the end face of the mounting sleeve 4, is also provided with a positioning pressure ring 45 which is arranged around the axis of the mounting sleeve 4. The outer wall of the installation sleeve 4, which is close to one end of the spherical pipe body 3, is in threaded connection with an outer sleeve nut 5 for compressing the positioning compression ring 45. The positioning compression ring 45 acts on the angle compensation sealing ring 43 through the threaded connection of the mounting sleeve 4 and the outer sleeve nut 5, and the positioning compression ring 45 and the inner ring side of the angle compensation sealing ring 43 are respectively provided with a spherical groove shape which is matched with the spherical shape of the spherical pipe body 3 to form universal sealing fit, so that the sealing effect is realized. .

In the present embodiment, there are two angle compensation seal rings 43, and the two angle compensation seal rings 43 are designed on the mounting step 42 along the extending direction of the mounting sleeve 4. An intermediate sealing ring 44 is also arranged between the two angle-compensating sealing rings 43, which is arranged around the axis of the mounting sleeve 4. The angle compensation seal ring 43 is a slit seal ring, and the intermediate seal ring 44 is a non-slit seal ring.

Meanwhile, the sleeve nut 5 is provided with a set screw 51 penetrating through the side wall of the sleeve nut 5 and in threaded connection with the side wall of the mounting sleeve 4. Set up through the jacknut 5 lateral wall and with installation sleeve 4 lateral wall threaded connection's holding screw 51 on jacknut 5, can prevent that jacknut 5 from coming off from installation sleeve 4 to make jacknut 5 can jack up tight location clamping ring 45, and then can jack up tight angle compensation sealing ring 43, guaranteed the leakproofness between bulb body 3 and the installation sleeve 4. In this embodiment, the set screw 51 has a plurality and the set screws 51 are circumferentially distributed around the jacknut 5.

In addition, in order to realize an angle compensation assembly to complete the connection of the device to the catheter/product, the mounting sleeve 4 is provided with a flange 41 at the end remote from the bulb 3.

The utility model has been described in connection with the preferred embodiments, but the utility model is not limited to the embodiments disclosed above, but it is intended to cover various modifications, equivalent combinations according to the essence of the utility model.

Claims

1. The spherical compensator for the pipeline is characterized by comprising an axial compensation component capable of axially stretching and contracting, wherein angle compensation components are arranged at two ends of the axial compensation component, and a medium channel communicated with the axial compensation component is arranged in the angle compensation component.

2. The spherical compensator for the pipeline according to claim 1, wherein the axial compensation assembly comprises an axially arranged pipe shaft (2), a pipe body (1) is sleeved outside the pipe shaft (2), and the pipe shaft (2) is in axially sliding sealing fit with the pipe body (1).

3. The spherical compensator for the pipeline according to claim 2, wherein a plurality of sealing grooves (21) which are sequentially arranged along the axial direction of the outer wall of the pipeline shaft (2) are formed in the outer wall of the pipeline shaft (2), the sealing grooves (21) are arranged around the axial center of the pipeline shaft (2), and axial compensation sealing rings (22) are arranged in the sealing grooves (21).

4. A spherical compensator for a pipeline according to claim 3, characterized in that the outer wall of the pipe shaft (2) is further provided with a limit groove (23) extending along the axial direction of the pipe shaft, and the pipe body (1) is provided with a hexagon head screw (11) penetrating through the side wall of the pipe body (1) and extending into the limit groove (23) on the pipe shaft (2).

5. The spherical compensator for the pipeline according to any one of claims 2 to 4, wherein one end of the pipe shaft (2) far away from the pipe body (1) is provided with angle compensation components, each of the ends of the pipe body (1) far away from the pipe shaft (2) is provided with a spherical pipe body (3) coaxially arranged on the pipe shaft (2) and the end part of the pipe body (1), each spherical pipe body (3) is connected with a mounting sleeve (4) with the shape of the inner wall being matched with that of the outer wall of the spherical pipe body (3), and the mounting sleeve (4) is matched with the spherical pipe body (3) in a universal sealing mode.

6. The spherical compensator for the pipeline according to claim 5, wherein an installation step (42) which is arranged around the axle center of the installation sleeve (4) is arranged on the inner wall of the installation sleeve (4) close to one end of the spherical pipe body (3), an angle compensation sealing ring (43) which is arranged around the axle center of the installation sleeve (4) is arranged on the installation step (42), a positioning compression ring (45) which is arranged around the axle center of the installation sleeve (4) is further arranged on one side of the angle compensation sealing ring (43) close to the end face of the installation sleeve (4), and an outer sleeve nut (5) which is used for compressing the positioning compression ring (45) is connected to the outer wall of the installation sleeve (4) close to one end of the spherical pipe body (3) in a threaded manner.

7. A spherical compensator for a pipeline according to claim 6, characterized in that there are two angle compensation sealing rings (43), and that the two angle compensation sealing rings (43) are arranged on the mounting step (42) along the extension direction of the mounting sleeve (4); an intermediate sealing ring (44) which is arranged around the axle center of the mounting sleeve (4) is also arranged between the two angle compensation sealing rings (43).

8. A spherical compensator for pipeline according to claim 6, characterized in that the inner ring side shape of the positioning pressure ring (45) is adapted to the outer wall shape of the spherical pipe body (3).

9. The spherical compensator for the pipeline according to claim 6, wherein the sleeve nut (5) is provided with a set screw (51) penetrating through the side wall of the sleeve nut (5) and in threaded connection with the side wall of the mounting sleeve (4).

10. A spherical compensator for pipeline according to claim 5, characterized in that the end of the mounting sleeve (4) remote from the spherical pipe body (3) is provided with a flange (41).