CN115077830B - Method for testing metal damping vibration isolation of steam pipeline - Google Patents
Method for testing metal damping vibration isolation of steam pipeline Download PDFInfo
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- CN115077830B CN115077830B CN202210733100.XA CN202210733100A CN115077830B CN 115077830 B CN115077830 B CN 115077830B CN 202210733100 A CN202210733100 A CN 202210733100A CN 115077830 B CN115077830 B CN 115077830B
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- 238000002955 isolation Methods 0.000 title claims abstract description 63
- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 238000013016 damping Methods 0.000 title claims abstract description 43
- 239000002184 metal Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title description 5
- 230000005284 excitation Effects 0.000 claims abstract description 30
- 238000010998 test method Methods 0.000 claims abstract description 6
- 229920001967 Metal rubber Polymers 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/022—Vibration control arrangements, e.g. for generating random vibrations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a test method for metal damping vibration isolation of a steam pipeline, which comprises a base, wherein test benches are respectively arranged on two sides of the base, metal damping vibration isolation devices for connecting the steam pipeline are arranged on the test benches, an output force sensor is arranged on one of the test benches, the steam pipeline is connected with a high-temperature steam generator, an electromagnetic excitation device for applying excitation to the steam pipeline is arranged between the two test benches, an input force sensor is arranged on the electromagnetic excitation device, and the input force sensor and the output force sensor are respectively connected with a computer through a data collector. The vibration isolation system can simulate the actual working condition of the steam pipeline and measure the vibration isolation performance of the steam pipeline in real time.
Description
Technical Field
The invention relates to a test method for metal damping vibration isolation of a steam pipeline.
Background
The steam pipeline is used as a medium transmission and energy transmission carrier, is widely applied to the field of ships and is an indispensable component in a ship system. The arrangement of the ship system equipment is complex and dispersed, and the steam pipeline is inevitably complex and changeable when being installed and used. The traditional method is to directly weld the pipeline and some wall surfaces to carry out rigid connection, and then install a vibration isolation device at a proper position. Due to the mechanical excitation of fluid flow, pumps, valves and the like, the steam pipeline can vibrate and is directly transmitted to the wall surface through the traditional welded ship structure, and then transmitted to other systems and equipment, so that the performance and service life of certain equipment in the ship system are seriously affected. Meanwhile, the comfort level of the cabin can be reduced due to the vibration of the steam pipeline, and the environment is polluted.
In addition, the steam line vibration isolation apparatus has the following problems and drawbacks:
1) The vibration isolation performance of the existing steam pipeline system is tested less at high temperature and high pressure, and when the vibration isolation performance of the pipeline system is tested, the pipeline is firstly communicated with high temperature and high pressure steam and then tested, the actual working condition cannot be simulated, the test result and the actual working condition result have great difference, and the accuracy of the test result is difficult to ensure.
2) Most of the existing steam pipeline vibration isolation devices adopt rubber vibration isolation devices, are seriously influenced by factors such as temperature, pressure and the like, and are easy to deform and lose efficacy at high temperature and high pressure, so that the vibration isolation effect is influenced.
3) The damping elements adopted by the conventional vibration isolation device are used for isolating vibration in one direction, the deformation is small, the damping effect is not ideal, and the requirement of multi-direction vibration isolation under complex working conditions cannot be met.
Disclosure of Invention
The invention aims to provide a steam pipeline metal damping vibration isolation system and a testing method.
The technical scheme of the invention is as follows: the utility model provides a steam line metal damping vibration isolation system, includes the base, the test bench is installed respectively to the base both sides, all install the metal damping vibration isolation device that is used for connecting steam line on the test bench, and install output force sensor on one of them test bench, steam line is connected with high temperature steam generator, is located and is provided with the electromagnetic excitation device that is used for applying the excitation to steam line between two test benches, be provided with input force sensor on the electromagnetic excitation device, input force sensor and output force sensor are connected with the computer through data acquisition ware respectively.
Further, the metal damping vibration isolation device comprises a pair of connecting thin plates connected with the test bed, mounting frames are arranged on the lower sides of the connecting thin plates, conical metal rubber is arranged on the upper frame portion and the lower side of the mounting frames, conical springs are sleeved outside the conical metal rubber, the conical metal rubber and the conical springs are connected with the locking gaskets and then connected with the connecting thin plates, and a connecting clamping ring used for connecting steam pipelines is arranged between the lower frame portions of the two mounting frames.
Further, the lower end of the conical spring positioned at the lower side is provided with a locking gasket, the upper end of the conical spring positioned at the upper side is provided with a locking gasket, and the connecting sheet is provided with bolts which sequentially penetrate through the locking gasket, the two conical metal rubbers and the mounting frame and are connected with the connecting sheet.
Further, the electromagnetic excitation device comprises a mounting rack capable of being adjusted in a lifting mode, an electromagnetic vibration exciter is mounted at the upper end of the mounting rack, an input force sensor is mounted at the upper end of the electromagnetic vibration exciter, and an excitation rod used for being in contact with the lower side face of the steam pipeline is mounted on the input force sensor.
Further, the lower end of the installation rack is fixedly connected with the base through bolts, and the upper portion of the installation rack is in threaded connection with a seat plate for installing the electromagnetic vibration exciter.
Further, the electromagnetic vibration exciter is in threaded connection with the input force sensor, and the input force sensor is in threaded connection with the vibration excitation rod.
Further, the computer is connected with a power amplifier through a data connecting wire, the power amplifier is connected with an electromagnetic vibration exciter through a data connecting wire, the input force sensor and the output force sensor are connected with a data collector through the data connecting wire, and the data collector and the computer transmit data through the data connecting wire.
Further, the test bed is inverted U-shaped and is detachably connected with the base through bolts; the metal damping vibration isolation device and the output force sensor are connected with the upper part of the test bench through bolts.
Further, two ends of the steam pipeline are connected with the high-temperature steam generator through a steam transmission hose.
A test method of metal damping vibration isolation of a steam pipeline comprises the following steps of:
(1) The test system is built, the height of the electromagnetic vibration exciter is adjusted, and when the vibration exciting rod is in complete contact with the steam pipeline, the positions of the electromagnetic vibration exciter and the vibration exciting rod are centered and adjusted;
(2) Generating steam through a high-temperature steam generator, and filling flowing steam into a steam pipeline;
(3) When the surface of the steam pipeline reaches a set temperature and the pressure in the steam pipeline reaches a set pressure, exciting at a fixed frequency or rated load is applied to the central position of the steam pipeline;
(4) The input force sensor monitors the input force in real time, the output force sensor monitors the output force in real time, the received signals are transmitted to the data acquisition device for data acquisition, the acquired data are transmitted to the computer for subsequent data identification and data processing, and then the vibration reduction and isolation effect of the pipeline vibration isolation system is judged.
Compared with the prior art, the invention has the following advantages:
1. the steam pipeline metal damping vibration isolation system and the testing method can simulate the actual working condition of the steam pipeline, can measure the vibration isolation performance of the steam pipeline metal damping vibration isolation system at the temperature of 300 ℃ and below 2MPa in real time, can adjust the working temperature and the working pressure through the high-temperature steam generator, simulate the specific working state of the steam pipeline, and further perform performance test.
2. The method has the advantages that the actual vibration isolation requirements can be simulated, the installation span of the metal damping vibration isolation device on the steam pipeline is changed, the vibration isolation performance of the metal damping vibration isolation device of the steam pipeline under different spans is measured, the excitation position of the electromagnetic vibration exciter is changed, the vibration isolation performance of the steam pipeline vibration isolation system when excited under different directions is measured, the cost is greatly saved, and a reference basis is provided for engineering application of the steam pipeline vibration isolation system.
3. The metal damping vibration isolation device is manufactured by adopting a pure metal material. Because the metal damping vibration isolation systems are all manufactured by pure metal processing, deformation and failure cannot occur when the metal damping vibration isolation systems work at high temperature and high pressure, and therefore vibration isolation using requirements of a steam pipeline during work are met.
4. The conical metal rubber and the conical spring are symmetrically arranged around the mounting frame after being connected in parallel, and the damping and rigidity combined type damper has the advantages of being high in damping and rigidity. The metal rubber adopts a conical structure, can resist three-way large deformation, and has a three-way vibration isolation effect. The conical metal rubber is an elastic porous material, the internal pores are uniform and regular, and the internal porosity can be changed by changing the density of the metal rubber so as to adapt to the vibration reduction requirements of different degrees.
Drawings
FIG. 1 is a schematic diagram of a vapor line metal damping vibration isolation system of the present invention;
FIG. 2 is an enlarged view of region A of FIG. 1 (an enlarged view of an electromagnetic exciter) in accordance with the present invention;
FIG. 3 is an enlarged view of an output force sensor of the present invention;
FIG. 4 is a schematic diagram of a metallic damping vibration isolation device according to the present invention;
FIG. 5 is an enlarged view of region B of FIG. 4 in accordance with the present invention;
in the figure: the test bed comprises a base 20, a test bed 30, a metal damping vibration isolation device 31, a connecting sheet 32, a mounting frame 33, conical metal rubber 34, a conical spring 35, a connecting clamping ring 36, a locking gasket 40, a steam pipeline 41, a high-temperature steam generator 50, an electromagnetic excitation device 51, a mounting bed 52, an electromagnetic exciter 53, an excitation rod 54, a seat board 60, a computer 61, an output force sensor 62, an input force sensor 63, a data collector 64, a power amplifier 65 and a frame plate.
Detailed Description
In order to make the above features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.
Referring to fig. 1 to 5
The utility model provides a steam line metal damping vibration isolation system, includes base 10, test bench 20 is installed respectively to the base both sides, all install the metal damping vibration isolation device 30 that is used for connecting steam line 40 on the test bench, and install output force sensor 61 on one of them test bench, steam line is connected with high temperature steam generator 41, is located and is provided with the electromagnetic excitation device 50 that is used for applys the excitation to steam line's downside between two test benches, be provided with input force sensor 62 on the electromagnetic excitation device, input force sensor and output force sensor are connected with computer 60 through data collection ware 63 respectively to the data transmission that input force sensor and output force sensor gathered carries out analysis processing in the computer.
In this embodiment, the metal damping vibration isolation device includes a pair of connection sheet metal 31 that passes through bolt and test bench fixed connection, the downside of connection sheet metal all is provided with installing frame 32, the upper and lower side of the upper frame portion of installing frame all is provided with toper metal rubber 33, toper metal rubber overcoat has been put cone spring 34, toper metal rubber, cone spring link to each other with the locking gasket earlier and then are connected with the connection sheet metal. The conical metal rubber, the conical spring and the locking gasket are symmetrically arranged about the upper frame of the mounting frame, and the symmetrical arrangement can ensure that the metal damping vibration isolation device has larger rigidity and damping effect, thereby better realizing the vibration isolation requirement of the pipeline system. A connecting clamping ring 35 for connecting a steam pipeline is detachably arranged between the lower frame parts of the two mounting frames through bolts. The connecting clamping ring consists of a pair of semicircular rings, and the steam pipeline is fixed by locking the two semicircular rings so as to finish the installation of the steam pipeline and the metal damping vibration isolation device.
In this embodiment, the lower end of the conical spring located at the lower side is provided with a locking gasket 36, and the connecting sheet is provided with bolts sequentially penetrating through the locking gasket, the two conical metal rubbers and the mounting frame to be connected with the connecting sheet, so that fixation is achieved.
In the embodiment, 65Mn is selected as a raw material of the conical spring, and the conical metal rubber is formed by spirally winding stainless steel wires and cold stamping after blank winding, wherein the wire diameter is 0.3 mm. Preferably, the metal rubber is formed by pre-pressing and then stamping to ensure uniform density of the sample. The locking gasket and the conical metal rubber snap ring are processed by adopting stainless steel raw materials.
In this embodiment, a frame plate 65 sleeved on the upper portion of the test stand is installed at the upper end of one of the metal damping vibration isolation devices, that is, the connecting thin plate of one of the metal damping vibration isolation devices is connected with the lower end face of the frame plate through bolts, the output force sensor is fixed on the upper end face of the test stand, and the upper end of the output force sensor is connected with the lower side face of the upper frame portion of the frame plate so as to monitor output force. The upper end of the other metal damping vibration isolation device is connected with the lower end face of a frame plate arranged on the upper part of the test bed.
In this embodiment, the electromagnetic excitation device includes a mounting rack 51 capable of lifting and adjusting, an electromagnetic exciter 52 is mounted at the upper end of the mounting rack, an input force sensor is mounted at the upper end of the electromagnetic exciter, and an excitation rod 53 for contacting with the lower side surface of the steam pipeline is mounted on the input force sensor. In order to facilitate disassembly and assembly, the electromagnetic vibration exciter is in threaded connection with the input force sensor, and the input force sensor is in threaded connection with the vibration excitation rod.
In this embodiment, in order to facilitate disassembly and assembly, the lower end of the installation rack is fixedly connected with the base through a bolt and a nut, and the upper portion of the installation rack is in threaded connection with a seat plate 54 for installing the electromagnetic vibration exciter, so that the height of the vibration exciter can be adjusted according to actual needs.
In this embodiment, the computer is connected to the power amplifier 64 through a data connection line, so that the vibration analysis software on the computer generates a signal source, and the signal source is amplified by the power amplifier and then transmitted to the electromagnetic vibration exciter. The power amplifier is connected with the electromagnetic vibration exciter through a data connecting wire, the input force sensor and the output force sensor are connected with the data acquisition device through the data connecting wire, and the data acquisition device and the computer transmit data through the data connecting wire, so that data transmission is realized through the data connecting wire.
In this embodiment, in order to facilitate the disassembly and assembly of each component, the base and the test stand are both provided with through holes capable of fixedly connecting the components, and the test stand is in an inverted U shape and is detachably connected with the base through bolts; the metal damping vibration isolation device and the output force sensor are connected with the upper part of the test bench through bolts.
In this embodiment, for better steam transmission, the two ends of the steam pipeline are connected to the high-temperature steam generator through a steam transmission hose.
In this embodiment, the test bench and the electromagnetic excitation device may be mounted on one base, respectively, or may be mounted on one large base together.
A test method of metal damping vibration isolation of a steam pipeline comprises the following steps of:
(1) And (3) completing the construction of a test system:
(1.1) the base is fixedly connected with the test platform through bolts, the test platform is fixedly connected with the metal damping vibration isolation device through bolts, the metal damping vibration isolation device is fixedly connected with the connecting clamping ring and the steam pipeline through bolts, the mounting bench is fixedly connected with the base through bolts, the adjustable electromagnetic vibration exciter mounting bench is fixedly connected with the electromagnetic vibration exciter through bolts, and the height of the electromagnetic vibration exciter can be adjusted by rotating the upper seat plate of the mounting bench. When the excitation rod is in complete contact with the steam pipeline, the positions of the electromagnetic vibration exciter and the excitation rod are required to be centered and adjusted, and the mounting rack is locked through nuts or bolts after centering is completed;
(1.2) connecting a computer, a power amplifier, an electromagnetic vibration exciter, an input force sensor, a data acquisition unit and an output force sensor through a data connecting wire;
(1.3) connecting the steam pipeline and the high-temperature steam device through a steam transmission hose;
and (1.4) after the whole test system is built, checking the test system to confirm whether the conditions of missing installation, missing connection and the like exist.
(2) And starting the high-temperature steam generator to generate steam, and filling flowing steam into the steam pipeline.
(3) When the surface of the steam pipeline reaches a set temperature and the pressure in the steam pipeline reaches a set pressure, exciting at a fixed frequency or rated load is applied to the central position of the steam pipeline; the specific excitation mode is as follows: a signal source is generated by vibration analysis software installed on a computer, the signal source is amplified by a power amplifier and then is transmitted to an electromagnetic vibration exciter, and the electromagnetic vibration exciter excites a steam pipeline after receiving the amplified signal.
(4) In the vibration excitation process, an input force sensor monitors input force in real time, an output force sensor monitors output force in real time, a received signal is transmitted to a data acquisition device for data acquisition, acquired data are transmitted to a computer for subsequent data identification and data processing, and then vibration reduction and isolation effects of a pipeline vibration isolation system are judged.
The foregoing is only illustrative of the present invention, and it will be apparent to those skilled in the art from this disclosure that, based upon the teachings herein, a vapor circuit metal damping vibration isolator system and method of testing in a different manner may be devised without the need for inventive faculty, and that all such equivalent changes, modifications, substitutions and alterations can be made herein without departing from the spirit and scope of the invention.
Claims (1)
1. The test method for the metal damping vibration isolation of the steam pipeline comprises a base, and is characterized in that test benches are respectively arranged on two sides of the base, a metal damping vibration isolation device for connecting the steam pipeline is arranged on each test bench, an output force sensor is arranged on one test bench, the steam pipeline is connected with a high-temperature steam generator, an electromagnetic excitation device for applying excitation to the steam pipeline is arranged between the two test benches, an input force sensor is arranged on the electromagnetic excitation device, and the input force sensor and the output force sensor are respectively connected with a computer through a data collector; the metal damping vibration isolation device comprises a pair of connecting thin plates connected with a test bed, wherein the lower sides of the connecting thin plates are respectively provided with a mounting frame, the upper side and the lower side of the upper frame part of each mounting frame are respectively provided with conical metal rubber, conical springs are sleeved outside the conical metal rubber, the conical metal rubber and the conical springs are connected with locking gaskets firstly and then are connected with the connecting thin plates, and a connecting clamping ring for connecting a steam pipeline is arranged between the lower frame parts of the two mounting frames; the connecting clamping ring consists of a pair of semicircular rings which are arranged up and down; the lower end of the conical spring positioned at the lower side is provided with a locking gasket, the upper end of the conical spring positioned at the upper side is provided with a locking gasket, and the connecting sheet is provided with a bolt which sequentially penetrates through the locking gasket, the two conical metal rubbers and the mounting frame and is connected with the connecting sheet; the electromagnetic excitation device comprises a mounting rack capable of being adjusted in a lifting mode, an electromagnetic vibration exciter is mounted at the upper end of the mounting rack, an input force sensor is mounted at the upper end of the electromagnetic vibration exciter, and an excitation rod used for being in contact with the lower side face of the steam pipeline is mounted on the input force sensor; the lower end of the mounting rack is fixedly connected with the base through a bolt, and the upper part of the mounting rack is in threaded connection with a seat plate for mounting the electromagnetic vibration exciter; the electromagnetic vibration exciter is in threaded connection with the input force sensor, and the input force sensor is in threaded connection with the vibration excitation rod; the computer is connected with a power amplifier through a data connecting wire, the power amplifier is connected with the electromagnetic vibration exciter through a data connecting wire, the input force sensor and the output force sensor are connected with a data acquisition device through a data connecting wire, and the data acquisition device and the computer transmit data through the data connecting wire; the test bed is of an inverted U shape and is detachably connected with the base through bolts; the metal damping vibration isolation device and the output force sensor are connected with the upper part of the test bed through bolts; the two ends of the steam pipeline are connected with the high-temperature steam generator through a steam transmission hose; the testing method comprises the following steps:
(1) The test system is built, the height of the electromagnetic vibration exciter is adjusted, and when the vibration exciting rod is in complete contact with the steam pipeline, the positions of the electromagnetic vibration exciter and the vibration exciting rod are centered and adjusted;
(2) Generating steam through a high-temperature steam generator, and filling flowing steam into a steam pipeline;
(3) When the surface of the steam pipeline reaches a set temperature and the pressure in the steam pipeline reaches a set pressure, exciting at a fixed frequency or rated load is applied to the central position of the steam pipeline;
(4) The input force sensor monitors the input force in real time, the output force sensor monitors the output force in real time, the received signals are transmitted to the data acquisition device for data acquisition, the acquired data are transmitted to the computer for subsequent data identification and data processing, and then the vibration reduction and isolation effect of the pipeline vibration isolation system is judged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210733100.XA CN115077830B (en) | 2022-06-27 | 2022-06-27 | Method for testing metal damping vibration isolation of steam pipeline |
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| CN202210733100.XA CN115077830B (en) | 2022-06-27 | 2022-06-27 | Method for testing metal damping vibration isolation of steam pipeline |
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| CN115077830B true CN115077830B (en) | 2023-11-03 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090126442A (en) * | 2008-06-04 | 2009-12-09 | 현대자동차주식회사 | Apparatus for testing dynamic vibration damping type active vibration-proof apparatus |
| CN202125552U (en) * | 2011-06-24 | 2012-01-25 | 东北石油大学 | Metal-rubber vibration isolator with composite rigidity for oil rig |
| CN103697241A (en) * | 2013-12-11 | 2014-04-02 | 上海交通大学 | Metal rubber-disc spring full metal composite hanging bracket for vibration isolation and impact resistance of pipeline |
| CN107940113A (en) * | 2017-11-28 | 2018-04-20 | 福州大学 | High temperature conduit system three-dimensional shock resistance stent |
| CN109210276A (en) * | 2018-11-29 | 2019-01-15 | 福州大学 | A kind of vibration shock isolation based on metal-rubber hits hanger and its working method |
| CN109261852A (en) * | 2018-09-30 | 2019-01-25 | 福州大学 | Hollow round table metal-rubber component preparation process based on spiral metal wire winding |
| CN109282087A (en) * | 2018-11-29 | 2019-01-29 | 福州大学 | A kind of three-dimensional vibration shock isolation based on metal-rubber hits hanger and its working method |
| CN209229148U (en) * | 2018-11-29 | 2019-08-09 | 福州大学 | A kind of vibration shock isolation based on metal-rubber hits hanger |
| CN209229149U (en) * | 2018-11-29 | 2019-08-09 | 福州大学 | A kind of three-dimensional vibration shock isolation based on metal-rubber hits hanger |
| CN210739704U (en) * | 2019-09-17 | 2020-06-12 | 福州大学 | Pipeline gallows based on metal rubber three-dimensional damping |
| CN217738604U (en) * | 2022-06-27 | 2022-11-04 | 福州大学 | Metal damping vibration isolation system for steam pipeline |
-
2022
- 2022-06-27 CN CN202210733100.XA patent/CN115077830B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090126442A (en) * | 2008-06-04 | 2009-12-09 | 현대자동차주식회사 | Apparatus for testing dynamic vibration damping type active vibration-proof apparatus |
| CN202125552U (en) * | 2011-06-24 | 2012-01-25 | 东北石油大学 | Metal-rubber vibration isolator with composite rigidity for oil rig |
| CN103697241A (en) * | 2013-12-11 | 2014-04-02 | 上海交通大学 | Metal rubber-disc spring full metal composite hanging bracket for vibration isolation and impact resistance of pipeline |
| CN107940113A (en) * | 2017-11-28 | 2018-04-20 | 福州大学 | High temperature conduit system three-dimensional shock resistance stent |
| CN109261852A (en) * | 2018-09-30 | 2019-01-25 | 福州大学 | Hollow round table metal-rubber component preparation process based on spiral metal wire winding |
| CN109210276A (en) * | 2018-11-29 | 2019-01-15 | 福州大学 | A kind of vibration shock isolation based on metal-rubber hits hanger and its working method |
| CN109282087A (en) * | 2018-11-29 | 2019-01-29 | 福州大学 | A kind of three-dimensional vibration shock isolation based on metal-rubber hits hanger and its working method |
| CN209229148U (en) * | 2018-11-29 | 2019-08-09 | 福州大学 | A kind of vibration shock isolation based on metal-rubber hits hanger |
| CN209229149U (en) * | 2018-11-29 | 2019-08-09 | 福州大学 | A kind of three-dimensional vibration shock isolation based on metal-rubber hits hanger |
| CN210739704U (en) * | 2019-09-17 | 2020-06-12 | 福州大学 | Pipeline gallows based on metal rubber three-dimensional damping |
| CN217738604U (en) * | 2022-06-27 | 2022-11-04 | 福州大学 | Metal damping vibration isolation system for steam pipeline |
Non-Patent Citations (3)
| Title |
|---|
| 肖坤.高温环境管路包覆金属橡胶阻尼结构设计及性能分析.《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》.2022,(第03期),正文第51-54页. * |
| 高温环境管路包覆金属橡胶阻尼结构设计及性能分析;肖坤;《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》(第03期);正文第51-54页 * |
| 高温管路包覆金属橡胶耗能特性及参数识别;肖坤 等;《兵器材料科学与工程》;第42卷(第1期);第11-17页 * |
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