CN218628889U - Fatigue life checking test platform for elastic ring type squeeze film damper - Google Patents
Fatigue life checking test platform for elastic ring type squeeze film damper Download PDFInfo
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- CN218628889U CN218628889U CN202222467220.8U CN202222467220U CN218628889U CN 218628889 U CN218628889 U CN 218628889U CN 202222467220 U CN202222467220 U CN 202222467220U CN 218628889 U CN218628889 U CN 218628889U
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Abstract
The utility model discloses elasticity ring type squeeze film damper fatigue life examination test platform relates to equipment life test device technical field, especially relates to elasticity ring type squeeze film damper's fatigue life examination test device. The utility model discloses a vibration platform is integrated and arranged on the upper part of a basic platform; the vibration exciter is arranged at the upper part of the basic platform, is positioned at one side of the vibration platform assembly and is connected with the vibration platform assembly through a screw rod; the oil supply system is connected with the vibration platform through an oil pipe in an integrated manner; the monitoring and control system is integrated with the air pipe, the vibration exciter and the vibration platform through a data line to be remotely connected. The technical scheme of the utility model solves the problems that the excitation table type test bed in the prior art is difficult to simulate the actual working condition of the elastic ring by loading the load in a basic excitation mode, and the precision of the experimental result can not be ensured; the rotor type test bed can better simulate the actual working condition through a rotor with high rotating speed, but has the problems of high precision requirement on the test bed, high cost, difficulty in ensuring safety and the like.
Description
Technical Field
The utility model discloses elasticity ring type squeeze film damper fatigue life examination test platform relates to equipment life test device technical field, especially relates to elasticity ring type squeeze film damper's fatigue life examination test device.
Background
The rotating machine is a widely applied mechanical structure, and is characterized by high-efficiency transmission and conversion of mechanical power, simple structure, mature manufacturing process, safety and reliability. Therefore, the method is widely applied to various fields such as industrial production, aerospace and the like. Moreover, many functions that the rotary machine can perform are difficult to replace by other mechanical structures.
With the development of science and technology, the design and manufacturing process of various rotating mechanical structures gradually mature. Along with the improvement of structural design and manufacturing process technology, the performance requirement of the rotating machinery is correspondingly improved. Rotary machines are gradually moving toward high rotational speeds, high reliability, and long life. However, various problems to be solved are also accompanied, one of which is the vibration problem of the rotating machine.
In the process of high-speed rotation of the rotary machine, when the rotating speed just reaches the critical rotating speed of the mechanical structure, the rotary machine can generate violent vibration, and the damage of the vibration of the mechanical structure cannot be ignored at a higher rotating speed. The vibration not only can influence the stability of structure, can produce destruction to the structure in the serious condition and even influence the normal operating of structure, not only causes economic loss, more likely causes the threat to operator's safety.
The existing solution to the vibration problem of rotating machinery mainly comprises an elastic support and a damper, wherein the elastic ring type squeeze film damper can provide elastic support and damping, and effectively reduces the vibration hazard of the mechanical structure. However, along with the high-frequency vibration, the performance and the reliability of the damper are very important, and one of the important performance indexes is the fatigue strength of the elastic ring, so that the optimization of the structure and the manufacturing process of the elastic ring is very important, and the fatigue life examination of the elastic ring is also an important measure for judging the fatigue life and the reliability of the elastic ring.
At present, the fatigue life of an elastic ring type squeeze film damper is generally checked by the prior art through an excitation table or a rotor type test table. The excitation platform loads in a basic excitation mode, the actual working condition of the elastic ring type squeeze film damper is difficult to simulate in the mode, and the precision of an experimental result cannot be guaranteed; the rotor type test bed can better simulate the actual working condition through a rotor with high rotating speed, but has higher precision requirement on the test bed, high cost and difficult guarantee of safety.
Aiming at the problems in the prior art, a novel fatigue life assessment test platform for the elastic ring type squeeze film damper is researched and designed, so that the problem in the prior art is very necessary to be overcome.
Disclosure of Invention
The excitation table type test bed provided by the prior art loads in a basic excitation mode, so that the actual working condition of the elastic ring is difficult to simulate, and the precision of an experimental result cannot be guaranteed; the rotor type test bed can better simulate the actual working condition through a high-rotating-speed rotor, but has high precision requirement on the test bed, high cost and difficult safety guarantee, and the like, thereby providing the fatigue life examination test platform for the elastic ring type squeeze film damper, which has the characteristics of novel structure, convenience in installation and maintenance, accurate measurement data, high reliability, high automation degree, high operation safety and the like.
The utility model discloses a technical means as follows:
a fatigue life examination test platform for an elastic ring type squeeze film damper comprises: the system comprises a basic platform, a vibration exciter, a vibration platform integration system, an oil supply system and a monitoring and control system;
further, the vibration platform is integrally arranged at the upper part of the basic platform;
furthermore, the vibration exciter is arranged at the upper part of the basic platform, is positioned at one integrated side of the vibration platform and is connected with the vibration platform through a screw rod;
further, the oil supply system is connected with the vibration platform in an integrated manner through an oil pipe;
further, the monitoring and control system is integrated with the air pipe, the vibration exciter and the vibration platform through a data line to be remotely connected.
Furthermore, a plurality of parallel inverted T-shaped assembly slideways are arranged on the top end face of the basic platform, and T-shaped sliding blocks are arranged in the slideways and used for assembling the vibration platform assembly and the vibration exciter.
Further, the vibration platform assembly comprises: the device comprises a cylinder, a force sensor, an oil baffle plate bracket, an oil baffle plate, an inner supporting ring, an elastic ring, a displacement sensor, an outer supporting ring, a displacement sensor bracket, an inner supporting ring bracket, a lateral upright post, a squirrel-cage elastic support, a protective cover, an oil baffle ring, a bottom plate and a T-shaped sliding block;
furthermore, the bottom plate is connected with the T-shaped sliding block through a bolt, and the vibration platform is integrally arranged at the upper part of the basic platform;
further, the inner support ring is fixedly arranged at the top of the inner support ring bracket through bolts;
furthermore, the inner supporting ring bracket is arranged at the upper part of the bottom plate and is fixed through bolts;
furthermore, the squirrel-cage elastic support is arranged on the outer side of the inner support ring bracket, is coaxially fixed with the inner support ring bracket, and is fixedly provided with an outer support ring at the upper part through a bolt;
furthermore, the elastic ring is arranged between the inner supporting ring and the outer supporting ring and is positioned by a pin;
furthermore, an oil baffle plate bracket is fixedly arranged at the upper part of the inner supporting ring through bolts, and an oil baffle plate is arranged at the upper part of the oil baffle plate bracket;
furthermore, the oil deflector ring is arranged outside the squirrel-cage elastic support, is fixedly arranged on the upper part of the bottom plate through bolts, and is provided with a sealing ring at the joint of the oil deflector ring and the bottom plate.
Further, the protective cover is arranged between the squirrel-cage elastic support and the oil deflector ring;
furthermore, the lateral upright post is arranged on the outer side of the oil deflector ring and fixedly arranged on the bottom plate through a bolt;
further, the cylinder is arranged on the lateral upright post, is connected with the outer support ring through a screw rod and is used for applying radial force to the elastic ring;
furthermore, the displacement sensor bracket is arranged on the opposite lateral upright posts of the air cylinder, and is provided with a displacement sensor for acquiring displacement data in the test process;
furthermore, the force sensors are arranged at the connection part of the vibration exciter and the outer support ring and the connection part of the air cylinder and the outer support ring and used for acquiring force data in the test process.
Further, the monitoring and control system includes: the system comprises a control system, a power amplifier, a pressure regulating valve, an air compressor, a detection system and a data acquisition card;
furthermore, the detection system is respectively connected with the force sensor and the displacement sensor through a data acquisition card;
furthermore, the control system is connected with the vibration exciter through a power amplifier;
further, the air compressor is connected with the cylinder through a pressure regulating valve.
Furthermore, the number of the vibration exciters is two, and the vibration exciters are distributed at the radial position of the elastic ring.
Furthermore, two cylinders are arranged on two adjacent lateral upright columns;
furthermore, two displacement sensors are arranged on the lateral upright columns at opposite positions of the air cylinder and are arranged opposite to the air cylinder.
Furthermore, the oil supply system is integrally connected with the vibration platform through an oil pipe, and oil grooves formed in the inner supporting ring and the outer supporting ring supply oil to the elastic ring.
Further, the lateral upright post and the oil deflector ring are both provided with lifting bolts for carrying and installing the test bed.
The utility model discloses an experimentation does:
the inner boss of the elastic ring is matched with the inner support ring, and the outer boss is matched with the outer support ring. In the test process, an excitation force with the direction of 90 degrees is applied to the outer supporting ring through the vibration exciter, so that the vibration excitation effect on the elastic ring is realized. And a cylinder fixed on the lateral upright post applies radial force to the outer supporting ring, so that the radial force of the elastic ring is realized. The natural frequency of the excitation table can be controlled through the structural adjustment of the squirrel-cage elastic support, so that the vibration frequency in the excitation process is controlled. The oil groove has been seted up to the inner support ring, carries out the fuel feeding to the elastic ring through oil feeding system to form the oil film, satisfy the operational environment of elastic ring. The experimental process of elastic rings with more size types can be met by adjusting the sizes of the inner supporting ring and the outer supporting ring.
The utility model discloses monitoring and control system experimentation does:
a force sensor is arranged between the cylinder and the outer support ring, and a time domain signal of the cylinder tension is detected in real time through the force sensor; a force sensor is also arranged between the vibration exciter and the force sensor bracket, and the force sensor is used for detecting an exciting force time domain signal in real time; through the displacement sensor, the displacement characteristic of the upper part of the elastic ring under the combined action of the exciting force and the static force loaded by the cylinder can be obtained; the amplitude, the frequency and the phase of the exciting force of the vibration exciter are adjusted in real time through monitoring data fed back by a monitoring system and a control system, so that the vibration environment of the elastic ring is simulated; the pressure can be controlled by a pressure regulating valve to regulate the loading force of the cylinder; the experimental state of the elastic ring can be monitored in real time through data fed back by the detection system, the service life strength of the elastic ring is analyzed, the reliability of a test piece is verified, or the elastic ring is further optimized and improved by combining with the test data.
Compared with the prior art, the utility model has the advantages of it is following:
1. the utility model provides a test platform for checking the fatigue life of an elastic ring type squeeze oil film damper, wherein the test platform adopts an adjustable supporting part, so that the adaptability to test pieces with various sizes can be realized, and the application range of the test platform is wider;
2. the utility model provides a test platform for checking fatigue life of elastic ring type squeeze film damper, the loading of the test platform adopts radial loading, the exciting force and the static force act on the elastic ring through the outer supporting ring, the stress of the elastic ring can be more uniform, and the actual working condition of the elastic ring type squeeze film damper can be better simulated;
3. the utility model provides a pair of elastic ring formula squeeze film damper fatigue life examination test platform sets up the interior sensor at the radial atress position of outer supporting ring to be provided with the displacement sensor that the vertical direction distributes at radial position, thereby realize the monitoring to the comprehensive high accuracy of experimentation.
4. The utility model provides a fatigue life examination test platform for elastic ring type squeeze film damper, further accurately regulating and controlling the loading state of a test piece through a control system and a pressure regulating valve, and realizing the high automation of a test bed;
5. the utility model provides a pair of elastic ring formula squeeze film damper fatigue life examination test platform, the loading of test bench passes through vibration exciter and the loaded mode realization of cylinder, and vibration platform is integrated and monitoring and control system separation to realize test platform's higher security.
In conclusion, the technical scheme of the utility model solves the problems that the excitation table type test bed in the prior art loads in a basic excitation mode, the actual working condition of the elastic ring is difficult to simulate, and the precision of the experimental result cannot be guaranteed; the rotor type test bed can better simulate the actual working condition through a rotor with high rotating speed, but has the problems of high precision requirement on the test bed, high cost, difficulty in ensuring safety and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is the schematic view of the connection structure of the monitoring and control system and the oil supply system of the present invention.
In the figure: 1. the device comprises a basic platform 2, a cylinder 3, a vibration exciter 4, a force sensor 5, an oil baffle plate bracket 6, an oil baffle plate 7, an inner supporting ring 8, an elastic ring 9, a displacement sensor 10, an outer supporting ring 11, a displacement sensor bracket 12, an inner supporting ring bracket 13, a lateral upright post 14, a squirrel-cage elastic support 15, a protective cover 16, an oil baffle ring 17, a bottom plate 18, a T-shaped sliding block 19, a control system 20, a power amplifier 21, a pressure regulating valve 22, an air compressor 23, a monitoring system 24, a data acquisition card 25 and an oil supply system.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
For ease of description, spatially relative terms such as "over … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
As shown in fig. 1, the utility model provides an elastic ring formula squeeze oil film damper fatigue life examination test platform includes: the vibration exciter comprises a basic platform 1, a vibration exciter 3, a vibration platform integration system, an oil supply system and a monitoring and control system;
the top end face of the basic platform 1 is provided with a plurality of parallel inverted T-shaped assembly slideways, and T-shaped sliding blocks 18 are arranged in the slideways and used for assembling the vibration platform integration and vibration exciter 3.
The vibration exciter 3 is arranged at the upper part of the basic platform, is positioned at one side of the vibration platform assembly and is connected with the vibration platform assembly through a screw rod;
the vibration platform assembly comprises: the device comprises an air cylinder 2, a force sensor 4, an oil baffle plate bracket 5, an oil baffle plate 6, an inner support ring 7, an elastic ring 8, a displacement sensor 9, an outer support ring 10, a displacement sensor bracket 11, an inner support ring bracket 12, a lateral upright post 13, a squirrel-cage elastic support 14, a protective cover 15, an oil baffle ring 16, a bottom plate 17 and a T-shaped sliding block 18; the bottom plate 17 is connected with a T-shaped sliding block 18 through a bolt, and the vibration platform is integrally arranged at the upper part of the basic platform 1; the inner supporting ring 7 is fixedly arranged at the top of the inner supporting ring bracket 12 through bolts; the inner support ring bracket 12 is arranged on the upper part of the bottom plate 17 and fixed by bolts; the squirrel-cage elastic support 14 is arranged at the outer side of the inner support ring bracket 12, is coaxially fixed with the inner support ring bracket 12, and is fixedly provided with an outer support ring 10 at the upper part thereof through bolts; the elastic ring 8 is arranged between the inner supporting ring 7 and the outer supporting ring 10 and is positioned by pins; two elastic rings 8 are arranged at radial positions; the oil baffle plate bracket 5 is fixedly arranged at the upper part of the inner supporting ring 7 through bolts, and an oil baffle plate 6 is arranged at the upper part of the oil baffle plate bracket; the oil deflector ring 16 is arranged at the outer side of the squirrel-cage elastic support 14, is fixedly arranged at the upper part of the bottom plate 17 through bolts, and is provided with a sealing ring at the joint of the bottom plate 17 and the oil deflector ring; the protective cover 15 is arranged between the squirrel-cage elastic support 14 and the oil deflector ring 16; the lateral upright column 13 is arranged on the outer side of the oil deflector ring 16 and fixedly arranged on the bottom plate 17 through bolts; lifting bolts are arranged on the lateral upright post 13 and the oil deflector ring 16 and are used for carrying and installing the test bed; the two cylinders 2 are arranged on the lateral upright posts 13, are connected with the outer support ring 10 through screws and are used for applying radial force to the elastic ring 8; the displacement sensor supports 11 are arranged on opposite lateral upright columns 13 of the air cylinder 2, the displacement sensors 9 are arranged on the displacement sensor supports, the number of the displacement sensors 9 is two, the displacement sensors are arranged on the lateral upright columns 13 at opposite positions of the air cylinder 2, the displacement sensors are arranged opposite to the air cylinder 2 and are used for collecting displacement data in the test process; the force sensors 4 are arranged at the joint of the vibration exciter 3 and the outer support ring 10 and the joint of the cylinder 2 and the outer support ring 10 and used for acquiring force data in the test process.
As shown in fig. 2, the oil supply system 25 is integrally connected to the vibration platform through an oil pipe, and oil is supplied to the elastic ring 8 through oil grooves formed in the inner support ring 7 and the outer support ring 10.
As shown in fig. 2, the monitoring and control system is integrated with the air pipe, the vibration exciter 3 and the vibration platform through data lines for remote connection. The monitoring and control system comprises: the system comprises a control system 19, a power amplifier 20, a pressure regulating valve 21, an air compressor 22, a detection system 23 and a data acquisition card 24; the detection system 23 is respectively connected with the force sensor 4 and the displacement sensor 9 through a data acquisition card 24; the control system 19 is connected with the vibration exciter 23 through a power amplifier 20; the air compressor 22 is connected to the cylinder 2 through a pressure regulating valve 21.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. The utility model provides an elastic ring formula squeeze oil film attenuator fatigue life examination test platform which characterized in that:
the elastic ring type squeeze oil film damper fatigue life assessment test platform comprises: the vibration exciter comprises a basic platform (1), a vibration exciter (3), a vibration platform integration system, an oil supply system and a monitoring and control system;
the vibration platform is integrated on the upper part of the basic platform (1);
the vibration exciter (3) is arranged at the upper part of the basic platform, is positioned at one integrated side of the vibration platform and is connected with the vibration platform through a screw rod;
the oil supply system (25) is connected with the vibration platform through an oil pipe in an integrated manner;
the monitoring and control system is integrated with the air pipe, the vibration exciter (3) and the vibration platform through a data line to be remotely connected.
2. The elastic ring type squeeze oil film damper fatigue life assessment test platform of claim 1, characterized in that:
the top end face of the basic platform (1) is provided with a plurality of parallel inverted T-shaped assembly slideways, and T-shaped sliding blocks (18) are arranged in the slideways and used for assembling the vibration platform assembly and the vibration exciter (3).
3. The elastic ring type squeeze oil film damper fatigue life assessment test platform of claim 1, characterized in that:
the vibration platform assembly comprises: the device comprises a cylinder (2), a force sensor (4), an oil baffle plate bracket (5), an oil baffle plate (6), an inner support ring (7), an elastic ring (8), a displacement sensor (9), an outer support ring (10), a displacement sensor bracket (11), an inner support ring bracket (12), a lateral upright post (13), a squirrel-cage elastic support (14), a protective cover (15), an oil baffle ring (16), a bottom plate (17) and a T-shaped sliding block (18);
the bottom plate (17) is connected with a T-shaped sliding block (18) through a bolt, and the vibration platform is integrally arranged at the upper part of the basic platform (1);
the inner support ring (7) is fixedly arranged at the top of the inner support ring bracket (12) through bolts;
the inner supporting ring bracket (12) is arranged at the upper part of the bottom plate (17) and is fixed through bolts;
the squirrel-cage elastic support (14) is arranged on the outer side of the inner support ring bracket (12), is coaxially fixed with the inner support ring bracket (12), and is fixedly provided with an outer support ring (10) at the upper part through a bolt;
the elastic ring (8) is arranged between the inner supporting ring (7) and the outer supporting ring (10) and is positioned by a pin;
the oil baffle plate bracket (5) is fixedly arranged at the upper part of the inner supporting ring (7) through bolts, and an oil baffle plate (6) is arranged at the upper part of the oil baffle plate bracket;
the oil slinger (16) is arranged outside the squirrel-cage elastic support (14), is fixedly arranged at the upper part of the bottom plate (17) through bolts, and is provided with a sealing ring at the joint of the bottom plate (17) and the oil slinger;
the protective cover (15) is arranged between the squirrel-cage elastic support (14) and the oil baffle ring (16);
the lateral upright post (13) is arranged on the outer side of the oil deflector ring (16) and fixedly arranged on the bottom plate (17) through a bolt;
the cylinder (2) is arranged on the lateral upright post (13), is connected with the outer supporting ring (10) through a screw rod and is used for applying radial force to the elastic ring (8);
the displacement sensor bracket (11) is arranged on a lateral upright post (13) opposite to the cylinder (2), and is provided with a displacement sensor (9) for acquiring displacement data in the test process;
the force sensor (4) is arranged at the joint of the vibration exciter (3) and the outer support ring (10) and the joint of the air cylinder (2) and the outer support ring (10) and is used for acquiring force data in the test process.
4. The elastic ring type squeeze oil film damper fatigue life assessment test platform of claim 1, characterized in that:
the monitoring and control system comprises: the device comprises a control system (19), a power amplifier (20), a pressure regulating valve (21), an air compressor (22), a detection system (23) and a data acquisition card (24);
the detection system (23) is respectively connected with the force sensor (4) and the displacement sensor (9) through a data acquisition card (24);
the control system (19) is connected with the vibration exciter (3) through a power amplifier (20);
the air compressor (22) is connected with the cylinder (2) through a pressure regulating valve (21).
5. The elastic ring type squeeze oil film damper fatigue life assessment test platform of claim 3, characterized in that:
the two vibration exciters (3) are distributed at the radial position of the elastic ring (8).
6. The elastic ring type squeeze oil film damper fatigue life assessment test platform of claim 3, characterized in that:
the two cylinders (2) are arranged on two adjacent lateral upright columns (13);
the two displacement sensors (9) are arranged on the lateral upright posts (13) at opposite positions of the cylinder (2) and are opposite to the cylinder (2).
7. The elastic ring type squeeze oil film damper fatigue life assessment test platform according to claim 1, characterized in that:
the oil supply system (25) is integrally connected with the vibration platform through an oil pipe, and oil is supplied to the elastic ring (8) through oil grooves formed in the inner support ring (7) and the outer support ring (10).
8. The elastic ring type squeeze oil film damper fatigue life assessment test platform of claim 3, characterized in that:
and the lateral upright post (13) and the oil deflector ring (16) are respectively provided with an eyebolt for carrying and installing the test bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222467220.8U CN218628889U (en) | 2022-09-15 | 2022-09-15 | Fatigue life checking test platform for elastic ring type squeeze film damper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222467220.8U CN218628889U (en) | 2022-09-15 | 2022-09-15 | Fatigue life checking test platform for elastic ring type squeeze film damper |
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| CN218628889U true CN218628889U (en) | 2023-03-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116050193A (en) * | 2023-04-03 | 2023-05-02 | 中国航发四川燃气涡轮研究院 | Damping hole layout method for improving high cycle fatigue life of elastic ring |
-
2022
- 2022-09-15 CN CN202222467220.8U patent/CN218628889U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116050193A (en) * | 2023-04-03 | 2023-05-02 | 中国航发四川燃气涡轮研究院 | Damping hole layout method for improving high cycle fatigue life of elastic ring |
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