A damping assembly for controlling radial and axial vibrations of a pipe

Abstract

The application discloses a kind of damping combination devices for controlling pipeline radial and axial vibration, comprising: two or more damping support mechanisms, each damping support mechanism includes first fixed shell, damping pipe clamp, damping and load-bearing pipe clamp and damping load-bearing support seat, first fixed shell and damping load-bearing support seat are connected by fastener as a unified whole, damping pipe clamp is installed in first fixed shell, damping and load-bearing pipe clamp is installed in damping load-bearing support seat, damping and load-bearing pipe clamp and damping pipe clamp jointly define the fixed clamping space of pipeline, and damping and load-bearing pipe clamp and damping pipe clamp can move along the radial direction of pipeline, to control the radial vibration of pipeline;Damping base mechanism, including damping base, damping load-bearing support seat is embedded in damping base and can move along the axial direction of pipeline, to control the axial vibration of pipeline.The application can effectively control the vibration generated by pipeline axial and radial, and further guarantee the reliability and safety of pipeline system operation.

Description

Technical Field

[0001] This invention relates to the field of pipeline vibration reduction technology, specifically to a combined vibration reduction device for controlling radial and axial vibrations of pipelines. Background Technology

[0002] Pipeline systems are widely used in industrial production such as petroleum, chemical, and coal, and vibration is a common problem encountered during pipeline transportation. Long-term vibration can cause pipeline fatigue failure, damage to measuring instruments, and malfunction of control systems; strong vibration can loosen and crack the connection between pipelines and equipment, causing safety accidents and huge economic losses.

[0003] Currently, rigid components such as pipe supports are often used in practical engineering to control pipe vibration, but the expected results are not ideal. On the one hand, prolonged vibration can cause the supports to loosen, reducing their constraint effect on the pipe; on the other hand, these rigid components can usually only control radial vibration of the pipe, while radial and axial vibrations often occur simultaneously in actual operation. Summary of the Invention

[0004] This invention aims to at least solve one of the technical problems existing in the prior art. To this end, this invention provides a vibration damping combination device for controlling radial and axial vibrations of pipelines, which aims to effectively control the axial and radial vibrations generated in pipelines, thereby ensuring the reliability and safety of pipeline system operation.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a vibration damping combination device for controlling radial and axial vibration of a pipeline, comprising: two or more vibration damping support mechanisms, each of the vibration damping support mechanisms comprising a first fixed outer shell, a vibration damping pipe clamp, a vibration damping and load-bearing pipe clamp, and a vibration damping load-bearing support base, wherein the first fixed outer shell and the vibration damping load-bearing support base are connected as a unified whole by fasteners, the vibration damping pipe clamp is installed inside the first fixed outer shell, the vibration damping and load-bearing pipe clamp is installed inside the vibration damping load-bearing support base, the vibration damping and load-bearing pipe clamp and the vibration damping pipe clamp together define the fixed clamping space of the pipeline, and the vibration damping and load-bearing pipe clamp and the vibration damping pipe clamp can move radially along the pipeline to control the radial vibration of the pipeline; a vibration damping base mechanism, comprising a vibration damping base, wherein the vibration damping load-bearing support base is embedded in the vibration damping base and can move axially along the pipeline to control the axial vibration of the pipeline.

[0006] Preferably, the vibration damping combination device further includes an axial vibration damping spring and a limiting partition plate. The limiting partition plate is installed on the vibration damping base. A spring fixing groove is provided on the side of the limiting partition plate near the vibration damping load-bearing bracket. One end of the axial vibration damping spring is fixedly installed on the vibration damping load-bearing bracket, and the other end of the axial vibration damping spring is fixedly installed in the spring fixing groove.

[0007] Preferably, the vibration damping assembly further includes particle damping in the vibration damping base mechanism. The limiting partitions of two adjacent vibration damping base mechanisms together with the vibration damping base define the partition chamber, and the limiting partitions can move slightly on the vibration damping base. The particle damping is sealed and filled in the partition chamber.

[0008] Preferably, the vibration damping assembly includes: a welding seat fixed inside the first fixing housing, wherein the welding seat has a cavity with an opening facing the pipe; a pipe clamping piece, wherein one end of the pipe clamping piece near the pipe is a concave arc-shaped piece for fixing and clamping the pipe, and the other end of the pipe clamping piece away from the pipe is a convex variable-diameter solid cylinder fitted and built into the cavity of the welding seat, wherein the convex variable-diameter solid cylinder of the pipe clamping piece can move radially along the pipe within the welding seat; and a first radial damping spring placed in the cavity of the welding seat, wherein one end of the first radial damping spring is fixedly installed on the welding seat, and the other end of the first radial damping spring freely abuts against the bottom of the convex variable-diameter solid cylinder of the pipe clamping piece.

[0009] Preferably, the vibration damping assembly consists of three vibration damping tubes wound around the pipe at 90° intervals, arranged in a circular array perpendicular to the pipe and installed inside the first fixed housing.

[0010] Preferably, the vibration damping assembly includes: a second fixed outer shell comprising two inferior arc-shaped plates with a gap between them; a support cavity integrally formed at the bottom of the two inferior arc-shaped plates; a solid sliding seat integrally formed at the bottom of the support cavity, one end of the axial damping spring being fixedly connected to the solid sliding seat; and a second radial damping spring placed vertically within the support cavity, with its bottom end abutting against the solid sliding seat.

[0011] Preferably, in the vibration damping assembly, the end of the vibration damping and load-bearing pipe clamp near the pipe is a concave arc-shaped piece used to clamp and support the pipe; the middle part of the vibration damping and load-bearing pipe clamp is a solid transition cylinder, and the lower part of the vibration damping and load-bearing pipe clamp is a solid frustum with a gradually increasing radius. The solid frustum is embedded in the internal cavity of the vibration damping load-bearing support seat. The root of the solid frustum is an enlarged cylinder used to contact the second radial vibration damping spring. The vibration damping and load-bearing pipe clamp can move up and down in the vertical direction.

[0012] Preferably, in the vibration damping assembly, the fasteners consist of matching locking bolts and locking nuts. The first fixed housing is an arc-shaped plate. Both ends of the first and second fixed housings have connecting plates. The connecting plates are respectively provided with screw holes for assembling the locking bolts. The locking bolts pass through the corresponding two connecting plates and are threadedly connected to the locking nuts to connect the first and second fixed housings into a unified whole.

[0013] Preferably, in the vibration damping assembly, the vibration damping base has a groove extending along the pipe axis, the solid sliding seat is placed in the groove of the vibration damping base, and the two sides and bottom of the solid sliding seat are completely wrapped by the vibration damping base, and the solid sliding seat can slide along the pipe axis on the vibration damping base.

[0014] Preferably, the vibration damping assembly has sliding baffles at both ends of the vibration damping base, so that the vibration damping support mechanism can only slide in a single direction along the slide groove towards the pipe axis.

[0015] The present invention has the following advantages due to the adoption of the above technical solutions:

[0016] 1. The present invention can reduce and control the radial vibration generated by the pipeline by using a multi-directional radial vibration damping pipe clamp built into a single vibration damping support mechanism.

[0017] 2. The present invention can reduce and control the axial vibration generated by the pipeline through the cooperation of multiple vibration damping support mechanisms and vibration damping base mechanisms.

[0018] 3. The pipeline vibration reduction combination device of the present invention has a simple structure and is easy to assemble. It can effectively suppress the axial and radial vibration of the pipeline and ensure the long-term stable operation of the pipeline. Attached Figure Description

[0019] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the invention. Throughout the drawings, the same reference numerals denote the same parts. In the drawings:

[0020] Figure 1 This is a three-dimensional structural schematic diagram of a vibration damping assembly provided in an embodiment of the present invention;

[0021] Figure 2 This is a cross-sectional view of the overall structure of the vibration damping assembly provided in this embodiment of the present invention;

[0022] Figure 3 This is a schematic diagram of the vibration damping support mechanism provided in an embodiment of the present invention;

[0023] Figure 4 This is a schematic diagram of the structure of a vibration damping base provided in an embodiment of the present invention;

[0024] Figure 5 This is a structural cross-sectional view of a vibration damping support mechanism provided in an embodiment of the present invention;

[0025] Figure 6 This is a cross-sectional view of the vibration damping pipe clamp provided in an embodiment of the present invention.

[0026] The labels for the attached figures are as follows:

[0027] 1-First fixed outer shell; 2-Vibration damping pipe clamp; 201-Pipe clamping plate; 202-First radial vibration damping spring; 203-Welding seat; 3-Vibration damping and load-bearing pipe clamp; 4-Bolt fastener; 5-Vibration damping load-bearing bracket seat; 501-Second fixed outer shell; 502-Support cavity; 503-Second radial vibration damping spring; 504-Solid sliding seat; 6-Vibration damping base; 601-Sliding baffle; 7-Axial vibration damping spring; 8-Limiting partition; 801-Spring fixing groove; 9-Particle damping; 10-Pipe. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0029] In the description of this invention, it should be noted that the terms "at 90° intervals," "circular array," "vertical," and similar expressions are all relative to the pipe. The terms "upper," "lower," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the system or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the use of terms such as "first," "second," etc., to define components is merely for the convenience of distinguishing the aforementioned components; unless otherwise stated, these terms have no special meaning and should not be construed as indicating or implying relative importance.

[0030] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "setting," and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0031] The present invention provides a vibration damping assembly for controlling radial and axial vibrations of pipelines, comprising: two or more vibration damping support mechanisms, each vibration damping support mechanism including a first fixed outer shell, a vibration damping pipe clamp, a vibration damping and load-bearing pipe clamp, and a vibration damping load-bearing support base. The first fixed outer shell and the vibration damping load-bearing support base are connected as a unified whole by fasteners. The vibration damping pipe clamp is installed inside the first fixed outer shell, and the vibration damping and load-bearing pipe clamp is installed inside the vibration damping load-bearing support base. The vibration damping and load-bearing pipe clamp and the vibration damping pipe clamp together define the fixed clamping space of the pipeline, and both the vibration damping and load-bearing pipe clamp and the vibration damping pipe clamp can move radially along the pipeline to control the radial vibration of the pipeline; and a vibration damping base mechanism including a vibration damping base, in which the vibration damping load-bearing support base is embedded and can move axially along the pipeline to control the axial vibration of the pipeline. The present invention can effectively control the axial and radial vibrations of pipelines, thereby ensuring the reliability and safety of pipeline system operation.

[0032] The vibration reduction combination device for controlling radial and axial vibration of pipelines provided in the embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0033] Please see Figure 1 , Figure 2 This invention provides a vibration damping assembly for controlling radial and axial vibrations of a pipeline, comprising two identical vibration damping support mechanisms (this is only an example and not limited to) and a vibration damping base mechanism. The vibration damping support mechanism mainly consists of a first fixed housing 1, vibration damping pipe clamps 2, vibration damping and load-bearing pipe clamps 3, and a vibration damping load-bearing support seat 5. The first fixed housing 1 and the vibration damping load-bearing support seat 5 are connected as a unified whole by bolts and fasteners 4. The vibration damping pipe clamps 2 are installed inside the first fixed housing 1, and the vibration damping and load-bearing pipe clamps 3 are installed inside the vibration damping load-bearing support seat 5. The vibration damping and load-bearing pipe clamps 3 and 2 together define the fixing and clamping space of the pipeline 10, and both the vibration damping and load-bearing pipe clamps 3 and 2 can move radially along the pipeline 10 to control the radial vibration of the pipeline 10. The vibration damping base mechanism includes a vibration damping base 6, and the vibration damping load-bearing support seat 5 is embedded in the vibration damping base 6 and can move axially along the pipeline 10 to control the axial vibration of the pipeline 10.

[0034] In the above embodiments, preferably, please continue to refer to... Figure 1 , Figure 2 , Figure 4The vibration damping base mechanism also includes an axial damping spring 7 and a limiting partition 8. The limiting partition 8 is embedded in the vibration damping base 6. Two spring fixing grooves 801 are opened on the side of the limiting partition 8 near the vibration damping load-bearing bracket 5. One end of the axial damping spring 7 is fixedly installed on the vibration damping load-bearing bracket 5, and the other end of the axial damping spring 7 is fixedly installed in the spring fixing groove 801. Through the above arrangement, the two vibration damping bracket mechanisms and the vibration damping base mechanism are combined to form an overall device for controlling the axial vibration of the pipeline. When the pipeline 10 vibrates axially, the impact load is reduced by the axial damping spring 7, thereby achieving the effect of controlling the axial vibration of the pipeline 10. Furthermore, the vibration damping base mechanism also includes a particle damper 9. The limiting partitions 8 of two adjacent vibration damping base mechanisms and the vibration damping base 6 together define the partition chamber, and the limiting partition 8 can move slightly on the vibration damping base 6. The particle damper 9 is sealed and filled in the partition chamber so that the particle damper 9 can deform but will not overflow the partition chamber. With the above settings, the impact load will be transmitted to the limiting baffle 8 through the axial damping spring 7, pushing the limiting baffle 8 to move slightly, thereby squeezing the particle damping 9 to produce deformation. In this way, the axial vibration of the pipeline 10 is reduced step by step through the axial damping spring 7 and the particle damping 9, further enhancing the vibration absorption effect.

[0035] In the above embodiments, preferably, please refer to Figure 5 , Figure 6 Three vibration-damping pipe clamps 2 are installed in a circular array perpendicular to the pipe, spaced at 90° intervals, inside the first fixed housing 1. Specifically, each vibration-damping pipe clamp 2 includes a pipe clamping piece 201, a first radial vibration-damping spring 202, and a welding seat 203. The welding seat 203 is welded inside the first fixed housing 1 and has a cavity with an opening facing the pipe. The pipe clamping piece 201 has a concave arc-shaped piece at one end near the pipe for fixing and clamping the pipe, and a convex variable-diameter solid cylinder at the other end away from the pipe, which fits and is built into the cavity of the welding seat 203. The convex variable-diameter solid cylinder of the pipe clamping piece 201 can move radially along the pipe within the welding seat 203. The first radial damping spring 202 is placed in the cavity of the welding seat 203, with one end of the first radial damping spring 202 fixedly mounted on the welding seat 203, and the other end freely abutting against the bottom of the convex variable-diameter solid cylinder of the pipe clamping piece 201. With this arrangement, when the pipe experiences significant radial vibration, the vibration impact is transmitted to the first radial damping spring 202 through the pipe clamping piece 201. The radial vibration of the pipe is controlled by compressing the first radial damping spring 202 to counteract the excitation force.

[0036] In the above embodiments, preferably, please refer to Figure 5The vibration damping load-bearing support 5 includes a second fixed outer shell 501, a support cavity 502, a second radial vibration damping spring 503, and a solid sliding seat 504. The second fixed outer shell 501 includes two inferior arc-shaped plates with a gap between them. The support cavity 502 is integrally formed at the bottom of the two inferior arc-shaped plates. The solid sliding seat 504 is integrally formed at the bottom of the support cavity 502. The second radial vibration damping spring 503 is placed vertically inside the support cavity 502, and the bottom end of the second radial vibration damping spring 503 abuts against the solid sliding seat 504. One end of the axial vibration damping spring 7 is fixedly connected to the solid sliding seat 504.

[0037] In the above embodiments, preferably, please refer to Figure 3 , Figure 5 The vibration-damping and load-bearing pipe clamp 3 has a concave arc-shaped piece at one end near the pipe for clamping and supporting the pipe. The middle part of the clamp 3 is a solid transition cylinder, and the lower part is a solid frustum with gradually increasing radius. This frustum is embedded in the internal cavity 502 of the vibration-damping load-bearing support 5. The root of the frustum is an expanded-diameter cylinder for contacting the second radial damping spring 503. The clamp 3 can move vertically up and down. Through this configuration, the clamp 3 and the support 5 together constitute a load-bearing vibration damping device, used to bear the weight of the pipe itself and other loads, while controlling the radial vibration of the pipe in the vertical direction.

[0038] In the above embodiments, preferably, please continue to refer to... Figure 3 , Figure 5 The bolt fastener 4 consists of matching locking bolts and locking nuts. The first fixed housing 1 is an arc-shaped plate. Both ends of the first fixed housing 1 and the second fixed housing 501 have connecting plates. The connecting plates are respectively provided with screw holes for mounting locking bolts. The locking bolts pass through the corresponding two connecting plates and are threadedly connected to the locking nuts to connect the first fixed housing 1 and the second fixed housing 501 into a unified whole.

[0039] In the above embodiments, preferably, please refer to Figure 2 , Figure 4 The vibration damping base 6 has a groove extending along the axial direction of the pipe 10. The solid sliding seat 504 is placed in the groove of the vibration damping base 6, and the two sides and bottom of the solid sliding seat 504 are completely wrapped by the vibration damping base 6. The solid sliding seat 504 can slide along the axial direction of the pipe 10 on the vibration damping base 6.

[0040] In the above embodiments, preferably, please refer to Figure 4 Sliding baffles 601 are provided at both ends of the vibration damping base 6 so that the vibration damping support mechanism can only slide in a single direction along the groove towards the axial direction of the pipe 10.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A vibration damping assembly for controlling radial and axial vibrations of a pipeline, characterized in that, include: Two or more vibration damping support mechanisms are provided. Each vibration damping support mechanism includes a first fixed shell, a vibration damping pipe clamp, a vibration damping and load-bearing pipe clamp, and a vibration damping load-bearing support base. The first fixed shell and the vibration damping load-bearing support base are connected as a whole by fasteners. The vibration damping pipe clamp is installed in the first fixed shell, and the vibration damping and load-bearing pipe clamp is installed in the vibration damping load-bearing support base. The vibration damping and load-bearing pipe clamp and the vibration damping pipe clamp together define the fixed clamping space of the pipe, and the vibration damping and load-bearing pipe clamp and the vibration damping pipe clamp can move radially along the pipe to control the radial vibration of the pipe. A vibration damping base mechanism includes a vibration damping base, wherein the vibration damping load-bearing support is embedded in the vibration damping base and can move along the pipeline axial direction to control the axial vibration of the pipeline. The vibration damping base mechanism also includes an axial vibration damping spring and a limiting partition. The limiting partition is installed on the vibration damping base. A spring fixing groove is provided on the side of the limiting partition near the vibration damping load-bearing bracket. One end of the axial vibration damping spring is fixedly installed on the vibration damping load-bearing bracket, and the other end of the axial vibration damping spring is fixedly installed in the spring fixing groove. The vibration damping base mechanism also includes particle damping. The limiting partitions of two adjacent vibration damping base mechanisms together with the vibration damping base define the partition chamber, and the limiting partitions can move slightly on the vibration damping base. The particle damping is sealed and filled in the partition chamber.

2. The vibration damping assembly according to claim 1, characterized in that, The vibration damping tube clamp includes: A welding seat is fixed inside the first fixed housing, and the welding seat has a cavity with an opening facing the side of the pipe; The pipe clamping piece has a concave arc-shaped end near the pipe for fixing and clamping the pipe, and a convex variable-diameter solid cylinder at the end away from the pipe that fits and is built into the cavity of the welding seat. The convex variable-diameter solid cylinder of the pipe clamping piece can move radially along the pipe within the welding seat. A first radial damping spring is placed in the cavity of the welding seat, and one end of the first radial damping spring is fixedly installed on the welding seat, while the other end of the first radial damping spring freely abuts against the bottom of the convex variable diameter solid cylinder of the pipe clamping piece.

3. The vibration damping assembly according to claim 2, characterized in that, The three vibration damping tubes are wound around the pipe at 90° intervals and installed in a circular array perpendicular to the pipe inside the first fixed housing.

4. The vibration damping assembly according to claim 1, characterized in that, The vibration damping load-bearing support base includes: The second fixed outer shell includes two inferior arc-shaped plates, and there is a gap between the two inferior arc-shaped plates; The support cavity is integrally formed at the bottom of the two sections of the inferior arc-shaped circular plate; A solid sliding seat is integrally formed at the bottom of the support cavity, and one end of the axial damping spring is fixedly connected to the solid sliding seat; The second radial damping spring is placed vertically inside the support cavity, and the bottom end of the second radial damping spring abuts against the solid sliding seat.

5. The vibration damping assembly according to claim 4, characterized in that, The end of the vibration damping and load-bearing pipe clamp near the pipe is a concave arc-shaped piece used to clamp and support the pipe; the middle part of the vibration damping and load-bearing pipe clamp is a solid transition cylinder, and the lower part of the vibration damping and load-bearing pipe clamp is a solid frustum with a gradually increasing radius. The solid frustum is embedded in the internal cavity of the vibration damping and load-bearing support seat. The root of the solid frustum is an enlarged cylinder used to contact the second radial vibration damping spring. The vibration damping and load-bearing pipe clamp can move up and down in the vertical direction.

6. The vibration damping assembly according to claim 4, characterized in that, The fastener consists of matching locking bolts and locking nuts. The first fixed housing is an arc-shaped plate. Both ends of the first and second fixed housings have connecting plates. The connecting plates are respectively provided with screw holes for assembling the locking bolts. The locking bolts pass through the corresponding two connecting plates and are threadedly connected to the locking nuts to connect the first and second fixed housings into a unified whole.

7. The vibration damping assembly according to claim 4, characterized in that, The vibration damping base has a groove extending along the pipe axis. The solid sliding seat is placed in the groove of the vibration damping base, and the two sides and bottom of the solid sliding seat are completely covered by the vibration damping base. The solid sliding seat can slide along the pipe axis on the vibration damping base.

8. The vibration damping assembly according to any one of claims 1 to 7, characterized in that, Sliding baffles are provided at both ends of the vibration damping base so that the vibration damping support mechanism can only slide in a single direction along the slide groove towards the pipe axis.

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