CN220668756U - Pipeline shock absorber - Google Patents
Pipeline shock absorber Download PDFInfo
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- CN220668756U CN220668756U CN202320931906.XU CN202320931906U CN220668756U CN 220668756 U CN220668756 U CN 220668756U CN 202320931906 U CN202320931906 U CN 202320931906U CN 220668756 U CN220668756 U CN 220668756U
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- pipeline
- pipe
- sealing
- damper
- limiter
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- 230000035939 shock Effects 0.000 title abstract description 22
- 239000006096 absorbing agent Substances 0.000 title abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 238000005192 partition Methods 0.000 claims abstract description 20
- 230000001960 triggered effect Effects 0.000 claims abstract description 7
- 238000000638 solvent extraction Methods 0.000 claims abstract description 3
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000013016 damping Methods 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 238000013017 mechanical damping Methods 0.000 description 3
- 208000024891 symptom Diseases 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The application discloses a pipeline damping device, which comprises a closed chamber, a sealing and isolating device, an inductor and an adjusting mechanism; the sealing partition device is arranged in the sealing chamber and is used for partitioning the sealing chamber into a first sealing space and a second sealing space, the position state of the sealing chamber is changeable, and the second sealing chamber is communicated with the pipeline; the adjusting mechanism is triggered by the vibration signal and is used for adjusting the position state of the partition device; the inductor is arranged on the outer wall of the pipeline and is used for collecting vibration signals of the pipeline. Compared with the prior art, the pipeline shock absorber provided by the utility model has a simple and compact structure, and can eliminate a vibration source from the root by adjusting the pipeline, so that the active shock absorption of the pipeline is realized.
Description
Technical Field
The utility model relates to the field of damping devices, in particular to a pipeline damper.
Background
With the promotion of sustainable development, the state advocates energy conservation and emission reduction, the comprehensive utilization technology of related gases rapidly develops, and the current equipment develops towards the direction of intellectualization and refinement, so that high requirements are provided for the stability of the production and transmission states of air sources.
In the gas transmission process, due to the change of the outlet pressure of the reciprocating compressor, pulse properties or resonance frequency are formed, and when the frequency of the pulsating force in the pipeline transmission process is close to or equal to the vibration frequency of the pipeline, and the force magnitude group can enable the pipeline and the support and hanger to deform more, vibration is generated. This will be fully reflected at the pipe section change, at the elbow. Because of vibration, larger damage and phenomena can be generated at the weak parts of the pipeline and the support and hanger.
In the prior art, a device for stabilizing pipeline transmission in the field of gas transmission is a mechanical damping device, and damping is realized by a fixed pipeline or a spring buffer mode; the mode is simple in structure, but the mode can only passively absorb shock, and the mode can treat symptoms and root causes. Often requiring extensive installation in pipeline transportation, initial costs are high.
Disclosure of Invention
Aiming at the technical problems that a tobacco sheet shredder for pipe shock absorption in the prior art can only passively absorb shock, can not eradicate a shock source and can not treat the symptoms and root causes, the utility model provides the pipe shock absorber which has the advantages of simple structure, convenience in maintenance and capability of realizing active shock absorption.
A pipe damper, comprising:
the closed chamber is communicated with the pipeline;
the sensor is arranged on the outer wall of the pipeline and is used for collecting vibration signals of the pipeline;
the sealing and isolating device is arranged in the closed chamber and used for isolating the closed chamber into a first closed space and a second closed space, the position state of the sealing and isolating device is changeable, and the second closed chamber is communicated with the pipeline;
the adjusting mechanism is triggered by the vibration signal and is used for adjusting the position state of the partition device.
Preferably, the adjusting mechanism includes:
the first closed space is provided with a first medium exchange end, the executing mechanism is provided with a second medium exchange end, and the first medium exchange end is communicated with the second medium exchange end.
Preferably, the first medium exchange end includes: the first air inlet end and the first air outlet end;
the second medium exchange end comprises: the second air inlet end and the second air outlet end;
the first air inlet end is connected with the second air inlet end through an air inlet pipe;
the first air outlet end is connected with the second air outlet end through an air outlet pipe.
Preferably, the sealing and isolating device is a metal piston, and the metal piston is transversely arranged in the closed chamber.
Preferably, the first closed space is provided with a first limiter, so that the metal piston moves at one side of the first limiter, which is close to the pipeline;
the second airtight space is provided with a second limiter, so that the metal piston moves at one side of the second limiter, which is far away from the pipeline.
Preferably, the first limiter is the air inlet pipe or the air outlet pipe.
Preferably, the limiter of the second closed space is the pipeline.
Preferably, the seal-off device is a shape-variable seal film.
Preferably, the method further comprises: the pressure monitoring end is arranged in the first airtight space and is connected with a pressure gauge.
Preferably, the device further comprises fixing means for fixing the inductor to the pipe.
Compared with the prior art, the pipeline shock absorber provided by the utility model comprises a closed chamber, a sealing and isolating device, an inductor and an adjusting mechanism; the sealing partition device is arranged in the sealing chamber and is used for partitioning the sealing chamber into a first sealing space and a second sealing space, the position state of the sealing chamber is changeable, and the second sealing chamber is communicated with the pipeline; the adjusting mechanism is triggered by the vibration signal and is used for adjusting the position state of the partition device; the inductor is arranged on the outer wall of the pipeline and is used for collecting vibration signals of the pipeline. The pipeline damper extracts the medium in the first airtight space through the adjusting mechanism, the isolating device moves to one side far away from the pipeline, the airflow direction in the pipeline is adjusted, and the vibration value is forced to be reduced. When the inductor induces the elimination of the vibration of the pipeline, the adjusting mechanism punches towards the first closed space again, the partition device moves towards one side close to the pipeline, and the pipeline returns to be normal. Pipeline shock absorber has realized pipeline shock attenuation through the mode that regulation pipeline pressure changed the air current direction, has cancelled high accuracy control valve and the mechanical damping device that adopts among the prior art, lets the cost lower, and the suitability is stronger, eliminates the vibrations source from the root simultaneously, realizes initiative shock attenuation.
Drawings
In order to more clearly illustrate the embodiments of the present application 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 below, it being obvious that the drawings in the following description are only some embodiments of the present application, 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 schematic diagram of a pipeline damper according to one embodiment;
FIG. 2 operating condition of the pipeline damper when the pipeline is operating smoothly;
FIG. 3 is a view showing an operating state of the pipe damper when the pipe is in a vibration state;
Detailed Description
In order to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
It will be understood that when an element is referred to as being "mounted," "mounted," or "disposed" on another element, it can be directly on the other element or be indirectly on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present disclosure, since any structural modifications, proportional changes, or dimensional adjustments made by those skilled in the art should not be made in the present disclosure without affecting the efficacy or achievement of the present disclosure.
The utility model provides a pipeline shock absorber, which comprises a closed chamber, an inductor, a partition device and an adjusting mechanism, wherein the closed chamber is arranged on the inductor; the closed chamber is communicated with the pipeline, and the partition device is arranged in the closed chamber and divides the closed chamber into a first closed space and a second closed space; the sensor is arranged on the outer wall of the pipeline and used for collecting vibration signals of the pipeline; the adjusting mechanism is triggered by vibration signals to adjust the position state of the partition device. Pipeline shock absorber has realized pipeline shock attenuation through the mode that regulation pipeline pressure changed the air current direction, has cancelled high accuracy control valve and the mechanical damping device that adopts among the prior art, lets the cost lower, and the suitability is stronger, eliminates the vibrations source from the root simultaneously, realizes initiative shock attenuation.
Please refer to fig. 1, fig. 2, fig. 3 in combination. The embodiment provides a pipeline damper which is arranged on the outer wall of a pipeline. The pipeline shock absorber is used for collecting pipeline vibration information, and is triggered by vibration signals, and the air flow direction is adjusted by changing the pipeline pressure so as to eliminate pipeline vibration. Specifically, the pipeline shock absorber is used for absorbing shock of a fluid transmission pipeline. More specifically, in this embodiment, the pipe damper is used for damping the gas transmission pipe.
The pipeline shock absorber 100 comprises a closed chamber 10, a partition device 20, an inductor 30 and an adjusting mechanism 40, wherein the closed chamber 10 is communicated with the pipeline 101; the isolating device 20 is disposed in the closed chamber 10, and divides the closed chamber 10 into a first closed space 11 and a second closed space 12, wherein the first closed space is located at a side far away from the pipeline and is used for storing a pressure medium, and the second closed space is located at a side near to the pipeline and is communicated with the pipeline 101. The sensor 30 is disposed on the outer wall of the pipeline 101, and is configured to collect a vibration signal of the pipeline 101; the adjusting mechanism 40 is triggered by the vibration signal and is used for adjusting the position state of the isolating device 20. Wherein, the position state refers to: the position state of the partition device 20 changes due to its own movement or shape change. Namely, the blocking device 20 is not fixedly connected with the closed chamber 10, and can move up and down in the closed chamber 10 under the action of the adjusting mechanism 40, so that the position state is changed; or the blocking device 20 is fixed on the inner wall of the closed chamber 10, and is deformed by the adjusting mechanism 40, thereby changing the position state.
In this embodiment, during normal operation, the first closed space 11 is filled with pressurized gas, and the specific pressure depends on the pressure of the pipe 101 at the time, and the gas in the pipe 101 flows normally. When the air flow in the pipe 101 resonates and vibrates, the sensor 30 senses a vibration signal and transmits the collected vibration signal to the adjusting mechanism 40, the adjusting mechanism 40 pumps a part of the pressurized air in the first enclosed space 11, and the amount of the pumped air depends on the vibration amount. The shut-off device 20 will move upwards, thus changing the direction of the airflow action, forcing the vibration value to decrease. When the sensor 30 senses that the vibration is recovered, a recovery signal is transmitted to the adjusting mechanism 40, the adjusting mechanism 40 pressurizes the first closed space, and the pipeline is recovered to be normal.
It can be understood that in the prior art, the damping treatment for pipeline transportation for pipeline damping is usually a mechanical fixing device or a high-precision control valve, the former can only realize passive damping, the symptoms and the root cause are not cured, and the latter has the disadvantages of high cost and low applicability.
While the pipe damper provided in the present embodiment adjusts the pressure of the pipe 101 by the cooperation of the closed chamber 10, the blocking device 20, the inductor 30 and the adjusting mechanism 40, disturbing the direction of the air flow. The vibration source is eliminated from the root through a simple and efficient structure, and active vibration absorption is realized. Meanwhile, the type of the pressure medium in the closed chamber 10 is changed, so that the device is also suitable for pipeline transportation in different fields.
Preferably, the adjusting mechanism 40 is an actuating mechanism 41, the actuating mechanism 41 is provided with a second medium exchange end 410, the first closed space is provided with a first medium exchange end 110, and the first medium exchange end 110 is communicated with the second medium exchange end 410; it should be noted that, in order to adapt to different scenes, the communication may be direct or indirect; either single or dual channel. The actuator 41 may pressurize or depressurize the medium in the first enclosed space 11 according to the vibration condition. The second medium exchange end 410 and the first medium exchange end 110 are medium exchange channels between the first enclosed space 10 and the actuator 41.
Preferably, in this embodiment, the actuator 41 is a receiving-end pneumatic actuator, and is configured to adjust the air pressure in the first enclosed space 11; further, when the pipe damper 100 is applied to oil transportation, the actuator 41 may be a hydraulic cylinder.
Preferably, the first medium exchange end 110 includes a first air inlet end 111 and a first air outlet end 112, and the second medium exchange end 410 includes a second air inlet end 411 and a second air outlet end 412; the first air inlet end 111 and the second air inlet end 411 are communicated through an air inlet pipe 51, and the first air outlet end 112 and the second air outlet end 412 are communicated through an air outlet pipe 52; the bidirectional exchange end is arranged to better ensure the stability of medium exchange, the connection position limitation among different components can be reduced through pipeline connection between the exchange ends, and the applicability and convenience of installation are better improved.
Preferably, the blocking device 20 is a metal piston, and the metal piston is transversely disposed in the closed chamber 10. The outer periphery of the metal piston is tightly attached to the inner wall of the closed chamber to divide the closed chamber into a first closed space 11 and a second closed space 12, and the metal piston can move up and down in the closed chamber 10 under the adjustment of the actuating mechanism 41. The pressure of the pipeline 101 can be flexibly regulated, and meanwhile, the pipeline is separated from an external space, so that the reliability of the pipeline damper 100 in the operation process is better ensured.
Preferably, a first limiter 1101 is disposed in the first closed space 11, the first limiter 1101 is disposed on one side of the first medium exchange end 110 and the pressure exchange end 60, which is close to the pipe 101, so as to limit the movement of the metal piston on one side of the limiter 1101, which is close to the pipe 101, thereby avoiding affecting the medium exchange between the first closed space 11 and the adjusting mechanism 40 and the normal operation of the pressure gauge 61, and guaranteeing the operation reliability of the device.
Preferably, a second limiter 1201 is disposed in the second airtight space 12, and the second limiter 1201 is located at a joint between the second airtight space 12 and the pipeline 101, so that when the metal piston moves on a side of the second limiter 1201 away from the pipeline 101, the metal piston can be prevented from entering the pipeline 101 to cause a potential safety hazard, thereby better ensuring the operation stability of the pipeline damper 100.
Preferably, in other embodiments, the first limiter 1101 may be composed of the air inlet pipe 51, the air outlet pipe 52 or the pressure monitoring end 60. Wherein when the air inlet pipe 51 enters the first closed chamber 11, the protruding portion thereof can also function as a stopper. The outlet tube 52 or pressure monitoring end 60 is the same. Compared with the method of additionally arranging a limiter, the method fully utilizes the original structure and reduces the production cost.
Preferably, in other embodiments, the second stop 1201 may be replaced by the conduit 101. Wherein, at the connection of the pipe 101 and the closed chamber 10, when the inner diameter of the opening of the pipe 101 is smaller than the inner diameter of the closed chamber 10, the pipe 101 itself can act as a stopper. Compared with the method of additionally arranging a limiter, the method fully utilizes the original structure and reduces the cost.
Preferably, in other embodiments, the blocking device 20 may be a shape-variable blocking film. Wherein the partition film is fixed to the closed chamber 10. The shape of the partition film changes with the pressure difference between the first sealed space 11 and the second sealed space 12. When the pressure of the first closed space 11 is equal to the pressure of the second closed space 12, the shape of the partition film is kept unchanged; when the pressure of the first closed space 11 is greater than that of the second closed space 12, the partition film is convexly deformed in a direction approaching to the pipeline; when the pressure of the first closed space 11 is smaller than that of the second closed space 12, the partition film is convexly deformed in a direction away from the pipeline. The application of the partition film can meet different scene requirements, so that the overall structure is simplified, and meanwhile, the application range of the pipeline damper 100 is improved.
Preferably, the first closed space 11 is provided with a pressure monitoring end 60, and the pressure monitoring end is provided with a pressure gauge 61. Thereby, the pressure in the first closed chamber 11 can be intuitively observed by a worker, and the working state of the pipeline damper 100 can be timely adjusted according to some special situations.
Preferably, a fixing device 70 for fixing the inductor 30 to the pipe 101 is also provided. Thereby ensuring that the sensor 30 is still in a fixed position during severe vibration, and stably and timely collecting vibration information on the pipeline 101, and ensuring the running stability of the pipeline damper 100.
Preferably, in this embodiment, the fixing device 70 is a ring-shaped hoop. The annular hoops are variable in size, so that the inductors 30 can be conveniently fixed on pipelines with different sizes, and the applicability of the pipeline damper 100 is improved.
Preferably, in other embodiments, the fixing device 70 may be an adhesive with strong adhesion, so as to fixedly adhere the inductor 30 to the outer wall of the pipe with different sizes.
While the utility model has been described with respect to the above embodiments, it should be noted that modifications can be made by those skilled in the art without departing from the inventive concept, and these are all within the scope of the utility model.
Claims (10)
1. A pipe damper, comprising:
the closed chamber is communicated with the pipeline;
the sealing partition device is arranged in the closed chamber and used for partitioning the closed chamber into a first closed space and a second closed space, the position state of the sealing partition device is changeable, and the second closed space is communicated with the pipeline;
the sensor is arranged on the outer wall of the pipeline and is used for collecting vibration signals of the pipeline;
the adjusting mechanism is triggered by the vibration signal and is used for adjusting the position state of the partition device.
2. The pipe damper of claim 1, wherein,
the adjustment mechanism includes:
the first closed space is provided with a first medium exchange end, the executing mechanism is provided with a second medium exchange end, and the first medium exchange end is communicated with the second medium exchange end.
3. The pipe damper of claim 2, wherein,
the first medium exchange end comprises: the first air inlet end and the first air outlet end;
the second medium exchange end comprises: the second air inlet end and the second air outlet end;
the first air inlet end is connected with the second air inlet end through an air inlet pipe;
the first air outlet end is connected with the second air outlet end through an air outlet pipe.
4. The pipe damper of claim 3, wherein,
the sealing and isolating device is a piston, and the piston is transversely arranged in the closed chamber.
5. The pipeline damper of claim 4, wherein,
the first closed space is provided with a first limiter, and the piston is limited to move at one side of the first limiter, which is close to the pipeline;
the second airtight space is provided with a second limiter, and the piston is limited to move at one side, far away from the pipeline, of the second limiter.
6. The pipe damper of claim 5, wherein,
the first limiter is the air inlet pipe or the air outlet pipe.
7. The pipe damper of claim 5, wherein,
the second limiter is the pipeline.
8. The pipe damper of claim 1, wherein,
the sealing and isolating device is a sealing film with a changeable shape.
9. The pipe damper of claim 1 or 5, further comprising:
the pressure monitoring end is arranged in the first airtight space and is connected with a pressure gauge.
10. The pipe damper of claim 9, wherein,
and a fixing device for fixing the inductor on the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320931906.XU CN220668756U (en) | 2023-04-23 | 2023-04-23 | Pipeline shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320931906.XU CN220668756U (en) | 2023-04-23 | 2023-04-23 | Pipeline shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220668756U true CN220668756U (en) | 2024-03-26 |
Family
ID=90340997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320931906.XU Active CN220668756U (en) | 2023-04-23 | 2023-04-23 | Pipeline shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220668756U (en) |
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2023
- 2023-04-23 CN CN202320931906.XU patent/CN220668756U/en active Active
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