CN110542556B - A tilting pad sliding bearing test box, test bench and test method - Google Patents
A tilting pad sliding bearing test box, test bench and test method Download PDFInfo
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- CN110542556B CN110542556B CN201910954115.7A CN201910954115A CN110542556B CN 110542556 B CN110542556 B CN 110542556B CN 201910954115 A CN201910954115 A CN 201910954115A CN 110542556 B CN110542556 B CN 110542556B
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- 238000012360 testing method Methods 0.000 title claims abstract description 91
- 238000010998 test method Methods 0.000 title claims abstract description 7
- 239000003921 oil Substances 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 239000010687 lubricating oil Substances 0.000 claims abstract description 7
- 230000001052 transient effect Effects 0.000 claims abstract description 7
- 238000007667 floating Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 238000000034 method Methods 0.000 claims 2
- 238000002474 experimental method Methods 0.000 description 9
- 239000000243 solution Substances 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a tilting pad sliding bearing test box, a test bench and a test method, which comprises a bearing test box, wherein the bearing test box comprises a box body, a hollow input shaft supported on the box body, a sliding bearing seat fixed in the box body through a fixed steel cable, a tilting pad sliding bearing arranged on the sliding bearing seat and sleeved outside the hollow input shaft, a hydraulic loader for applying load to the sliding bearing seat, a strain gauge film embedded on the outer circular wall of the hollow input shaft, a wireless strain node fixed in the hollow input shaft and connected with the strain gauge film through a wire, and an oiling device for injecting lubricating oil into the sliding bearing seat. The test bench comprises a hydraulic controller, a high-frequency collector, a rotation speed measuring device, a frequency converter, a test computer, a driving motor, a torque meter, a speed increasing box and a bearing test box which are sequentially connected in a transmission way, and can realize the transient pressure and distribution of oil films of tilting pad sliding bearings under different rotation speeds and load working conditions.
Description
Technical Field
The invention belongs to the technical field of test tables, and particularly relates to a tilting pad sliding bearing test box, a test table and a test method.
Background
The sliding bearing test bed can be divided into a forward type and a reverse type in terms of installation mode.
The test bearing is used as a main shaft, two ends of the test bearing are used as supporting bearings, an auxiliary rolling bearing is used as a middle loading bearing, and the purpose of the test bearing is to simulate the vibration response characteristic of an actual engineering environment test bearing, and meanwhile, the vibration damping performance of the test bearing is further tested by comparing with a common round bearing. Firstly, a working environment of a rotating main shaft which runs stably is built, secondly, the motion of an experimental bearing relative to the main shaft is controlled through a loading device to realize the generation of oil film bearing capacity, and then, the load and the rotating speed are controlled to meet different experimental working condition demands, so that the performances of oil film temperature rise, oil film pressure, rigidity coefficient, damping coefficient and the like of the experimental bearing are researched.
The inversion type experiment table uses an experiment bearing as a loading bearing, an auxiliary rolling bearing is a supporting bearing at two ends of a main shaft, and the inversion type experiment table aims at testing basic performances of the experiment bearing, such as a bearing coefficient, temperature rise, eccentricity, rigidity coefficient, damping coefficient and the like. The experimental bench simulates an industrial large-scale rotary mechanical structure to build a floating support rotor system, then controls a rolling loading bearing to load a main shaft so as to realize the generation of bearing capacity, and then controls the load and the rotating speed to meet different experimental working condition requirements, so that the dynamic characteristics of the rotor system and the vibration reduction performance of two experimental bearings are researched and detected.
The two types of experiment tables are the sliding bearing experiment tables common at present, the difference is mainly whether the experiment bearings are arranged at two ends or in the middle of the experiment tables, the two types of experiment tables are similar in the mode of arranging the pressure sensor at present and are arranged on the tile of the sliding bearing, and the mode can meet the test requirement for the sliding bearing of the fixed tile. However, there are problems in applying the tilting pad sliding bearing, because the tile of the tilting pad sliding bearing is floating, the signal line of the pressure sensor can influence the motion state of the tile, and the thickness of the oil film is changed, so that the tested oil film pressure is disturbed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a tilting pad sliding bearing test box, a test bench and a test method, which are used for measuring the transient pressure and distribution of an oil film of the tilting pad sliding bearing under different rotating speeds and load working conditions.
The technical scheme includes that the tilting pad sliding bearing testing box comprises a bearing testing box body, a hollow input shaft supported on the box body, a sliding bearing seat fixed in the box body through a fixed steel cable, a tilting pad sliding bearing mounted on the sliding bearing seat and sleeved outside the hollow input shaft, a hydraulic loader for applying load to the sliding bearing seat, a strain gauge film embedded on the outer circular wall of the hollow input shaft, a wireless strain node fixed in the hollow input shaft and connected with the strain gauge film through a wire, and an oiling device for injecting lubricating oil into the sliding bearing seat.
Further, the base of the hydraulic loader is fixed on the box body, and the loading end of the hydraulic loader is fixedly connected with the top of the sliding bearing seat.
Furthermore, the oiling device is a hydraulic pump, and the hydraulic pump injects lubricating oil into the sliding bearing seat through an oil pipe.
Further, the device also comprises a rotating speed measuring device for detecting the rotating speed of the hollow input shaft.
Further, the rotating speed measuring device comprises a gear and a Hall sensor for sensing the rotating speed of the gear, and the gear is arranged at the rear end of the hollow input shaft.
The invention provides a tilting pad sliding bearing test bench which comprises a hydraulic controller, a high-frequency collector, a rotating speed measuring device, a frequency converter, a test computer, a driving motor, a torque meter, a speed increasing box and a bearing test box which are sequentially connected in a transmission mode, wherein the bearing test box is the tilting pad sliding bearing test box, the hydraulic controller is connected with a hydraulic loader, the high-frequency collector is respectively connected with the torque meter and the rotating speed measuring device, the frequency converter is connected with the driving motor, and the hydraulic controller, the high-frequency collector and the frequency converter are all connected with the test computer and are connected with a wireless strain node and the test computer through wireless signals.
The speed increasing box comprises a speed increasing box body, an input shaft, a first large gear, a first small gear, a first rotating shaft, a second large gear, a second small gear, a second rotating shaft, a third small gear and an output shaft, wherein the input shaft, the first rotating shaft, the second rotating shaft and the output shaft are all supported on the speed increasing box body, the input shaft and the output shaft are coaxially arranged, the first large gear is fixedly arranged on the input shaft, the first small gear and the second large gear are fixedly arranged on the first rotating shaft, the second small gear is sleeved on the second rotating shaft, the third small gear is fixedly arranged on the output shaft, the first large gear and the first small gear are meshed for transmission, and the second large gear, the second small gear and the third small gear are sequentially meshed for transmission.
Further, the driving motor is connected with the torque meter through a first coupler, the torque meter is connected with the speed increasing box through a second coupler, and the hollow input shaft is connected with the speed increasing box through a third coupler.
Further, the rotating speed measuring device comprises a gear and a Hall sensor for sensing the rotating speed of the gear, and the gear is arranged at the rear end of the hollow input shaft.
The third object of the present invention is to provide a testing method of a tilting pad sliding bearing testing test stand, which is implemented in the above test stand, and which comprises the following steps:
(1) The test computer controls the rotating speed of the driving motor through the frequency converter, and the power of the driving motor is finally input to the hollow input shaft of the bearing test box through the torque meter and the speed increasing box in sequence;
(2) The torque meter collects output torque data of the driving motor in real time, the rotating speed measuring device collects real-time rotating speed data of the hollow input shaft in real time, the torque meter and the rotating speed measuring device transmit the collected data to the high-frequency collector, and the high-frequency collector transmits the data to the test computer;
(3) The test computer controls the hydraulic loader through the hydraulic controller, and the hydraulic loader applies load to the sliding bearing seat, so that the transient pressure and distribution of the tilting pad sliding bearing oil film under different rotating speeds and load working conditions are realized.
Compared with the prior art, the invention has the following beneficial effects:
1. The tile of the tilting pad sliding bearing is in a floating state, so that the installation of the pressure sensor is not facilitated, the strain gauge film is embedded on the outer circular wall of the hollow input shaft, the strain gauge film is connected with a wireless strain node through a wire, the wireless strain node is implanted into the hollow input shaft, strain data generated by oil film pressure are transmitted to a test computer through a wireless signal, and the transient pressure value and the pressure distribution state of the oil film are tested through calibration and conversion.
2. According to the invention, the speed increasing box design is utilized to increase the rotation speed of the driving motor to a high rotation speed required by test, the torque meter, the gear and the Hall sensor are utilized to monitor the output torque of the driving motor and the real-time rotation speed value of the hollow input shaft, and the hydraulic controller and the hydraulic loader are utilized to realize accurate load loading.
3. According to the invention, the sliding bearing seat is arranged in the bearing test box by using the fixed steel cable, and the steel cable has good flexibility, so that high-frequency vibration generated by a transmission system can be eliminated, the change of the thickness of the sliding bearing oil film caused by vibration is avoided, and the accuracy of oil film pressure test is ensured.
4. The invention gathers the signals of the frequency converter, the high-frequency acquisition instrument and the hydraulic controller in a test computer, is convenient for carrying out the same-platform processing on the information of the driving motor, the hydraulic loader, the torque instrument, the Hall sensor and the wireless strain node, and ensures the consistency of the information.
Drawings
FIG. 1 is a schematic diagram of a bearing test case;
FIG. 2 is a schematic diagram of a wireless strain node installation;
FIG. 3 is a schematic view of the structure of the test stand of the present invention;
FIG. 4 is a block diagram of a speed increasing box;
In the figure, a driving motor 1, a first coupler 2, a torque meter 3, a second coupler 4, a speed increasing box 5, a third coupler 6, a hollow input shaft 7, a hydraulic loader 8, a fixed steel cable 9, a wireless strain node 10, a gear 11, a Hall sensor 12, a tilting pad sliding bearing 13, a sliding bearing seat 14, a bearing test box 15, a hydraulic pump 16, a hydraulic controller 17, a high-frequency collector 18, a test computer 19 and a frequency converter 20, an input shaft 21, a first large gear 22, a first small gear 23, a first rotating shaft 24, a second large gear 25, a second small gear 26, a second rotating shaft 27, a third small gear 28, an output shaft 29, a strain gauge film 30, lubricating oil 31 and a wire 32.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. In the following description and drawings, the same reference numerals in different drawings denote the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the application. Rather, they are merely examples of apparatus consistent with aspects of the application as detailed in the accompanying claims. Various embodiments of the present description are described in a progressive manner.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear are used in the embodiments of the present application) are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.
Example 1:
As shown in fig. 1 and 2, the present invention provides a tilting pad sliding bearing test box, comprising a bearing test box 15, wherein the bearing test box 15 comprises a box body, a hollow input shaft 7 supported on the box body, a sliding bearing seat 14 fixed in the box body through a fixed steel cable 9, a tilting pad sliding bearing 13 installed on the sliding bearing seat 14 and sleeved outside the hollow input shaft 7, a hydraulic loader 8 for loading the sliding bearing seat 14, a strain gauge film 30 embedded on the outer circumferential wall of the hollow input shaft 7, a wireless strain node 10 fixed in the hollow input shaft 7 and connected with the strain gauge film 30 through a wire 32, and an oiling device for injecting lubricating oil 31 into the sliding bearing seat 14.
Because the fixed steel cable 9 has good flexibility, high-frequency vibration generated by a transmission system can be eliminated, and the change of the oil film thickness of the tilting pad sliding bearing 13 caused by vibration is avoided, so that the accuracy of oil film pressure test is ensured.
The strain gauge film 30 is embedded in the outer circumferential wall of the hollow input shaft 7 (i.e. a groove is first drilled on the outer circumferential wall of the hollow input shaft 7, a hole is drilled in the groove, the hole penetrates through the side wall of the hollow input shaft 7 for the lead 32 to penetrate through, and then the strain gauge film 30 is stuck in the groove), so that the pressure distribution of the oil film around the tilting pad sliding bearing 13 can be measured through the strain gauge film 30.
The wireless strain node 10, which is secured within the hollow input shaft 7 and is connected to the strain gage film 30 by a wire 32, facilitates wireless transmission of the strain gage film 30 signal to the test computer 19 when the hollow input shaft 7 is rotated at high speeds. The wireless strain node 10 may be, but not limited to, SG403/SG404 of beijing bidi technologies limited.
In the embodiment of the application, the base of the hydraulic loader 8 is fixed on the box body, the hydraulic loader 8 is integrated by a hydraulic pump and a hydraulic cylinder, the loading end of the hydraulic loader 8 is fixedly connected with the top of the sliding bearing seat 14, and the loading of the sliding bearing seat 14 is realized through the hydraulic loader 8.
In the embodiment of the present application, the oil injection device is a hydraulic pump 16, and the hydraulic pump 16 injects the lubricating oil 31 into the sliding bearing seat 14 through an oil pipe.
In the embodiment of the application, the device also comprises a rotating speed measuring device for detecting the rotating speed of the hollow input shaft 7. Further, the rotation speed measuring device comprises a gear 11 and a Hall sensor 12 for sensing the rotation speed of the gear, and the gear 11 is arranged at the rear end of the hollow input shaft 7.
Example 2:
As shown in fig. 3, the invention further provides a test stand for the tilting pad sliding bearing 13, which comprises a hydraulic controller 17, a high-frequency collector 18, a rotation speed measuring device, a frequency converter 20, a test computer 19, and a driving motor 1, a torque meter 3, a speed increasing box 5 and a bearing test box 15 which are sequentially connected in a transmission manner, wherein the bearing test box 15 is the test box for the tilting pad sliding bearing 13 of the embodiment 1, the hydraulic controller 17 is connected with the hydraulic loader 8, the high-frequency collector 18 is respectively connected with the torque meter 3 and the rotation speed measuring device, the frequency converter 20 is connected with the driving motor 1, and the hydraulic controller 17, the high-frequency collector 18 and the frequency converter 20 are connected with the test computer 19, and the wireless strain node 10 and the test computer 19 are connected through wireless signals.
In the embodiment of the application, the speed increasing box 5 is designed to increase the rotation speed of the driving motor 1 to a high rotation speed required by test, as shown in fig. 4, the speed increasing box 5 comprises a speed increasing box 5 body, an input shaft 21, a first large gear 22, a first small gear 23, a first rotating shaft 24, a second large gear 25, a second small gear 26, a second rotating shaft 27, a third small gear 28 and an output shaft 29, wherein the input shaft 21, the first rotating shaft 24, the second rotating shaft 27 and the output shaft 29 are all supported on the speed increasing box 5 body, the input shaft 21 and the output shaft 29 are coaxially arranged, the first large gear 22 is fixedly arranged on the input shaft 21, the first small gear 23 and the second large gear 25 are fixedly arranged on the first rotating shaft 24, the second small gear 26 is sleeved on the second rotating shaft 27, the third small gear 28 is fixedly arranged on the output shaft 29, the first large gear 22 and the first small gear 23 are in meshed transmission, and the second large gear 25, the second small gear 26 and the third small gear 28 are sequentially in meshed transmission.
In the embodiment of the application, the driving motor 1 is connected with the torque meter 3 through the first coupler 2, the torque meter 3 is connected with the speed increasing box 5 through the second coupler 4, and the hollow input shaft 7 is connected with the speed increasing box 5 through the third coupler 6, so that the equipment is convenient to install, debug and maintain.
In the embodiment of the application, the rotating speed measuring device comprises a gear and a Hall sensor 12 for sensing the rotating speed of the gear, and the gear is arranged at the rear end of the hollow input shaft 7.
The invention also provides a test method of the tilting pad sliding bearing 13 test bed, which is realized in the test bed, and comprises the following steps:
(1) The test computer 19 controls the rotating speed of the driving motor 1 through the frequency converter 20, and the power of the driving motor 1 is sequentially input to the hollow input shaft 7 of the bearing test box 15 through the torque meter 3 and the speed increasing box 5;
(2) The torque meter 3 collects the output torque data of the driving motor 1 in real time, the rotating speed measuring device collects the real-time rotating speed data of the hollow input shaft 7 in real time, the torque meter 3 and the rotating speed measuring device transmit the collected data to the high-frequency collector 18, and the high-frequency collector 18 transmits the data to the test computer 19;
(3) The test computer 19 controls the hydraulic loader 8 through the hydraulic controller 17, and the hydraulic loader 8 applies accurate load to the sliding bearing seat 14, so that the transient pressure and distribution of the oil film of the tilting pad sliding bearing 13 under different rotating speeds and load working conditions are realized.
The foregoing detailed description is provided to illustrate the present invention and not to limit the invention, and any modifications and changes made to the present invention within the spirit of the present invention and the scope of the appended claims fall within the scope of the present invention.
Claims (10)
1. The tilting pad sliding bearing test box is characterized by comprising a bearing test box body, a hollow input shaft supported on the box body, a sliding bearing seat fixed in the box body through a fixed steel cable, a tilting pad sliding bearing installed on the sliding bearing seat and sleeved outside the hollow input shaft, a hydraulic loader for applying load to the sliding bearing seat, a strain gauge film embedded on the outer circular wall of the hollow input shaft, a wireless strain node fixed in the hollow input shaft and connected with the strain gauge film through a wire, and an oiling device for injecting lubricating oil into the sliding bearing seat, wherein the tile of the tilting pad sliding bearing is in a floating state and is required to be embedded on the outer circular wall of the hollow input shaft through the strain gauge film, the strain gauge film is connected with the wireless strain node through the wire, the wireless strain node is implanted into the hollow input shaft, strain data generated by oil film pressure are transmitted to a test computer through a wireless signal, and the transient pressure value and the pressure distribution state are calibrated and converted.
2. The tilting pad slide bearing testing box according to claim 1 wherein the base of the hydraulic loader is secured to the box and the loading end of the hydraulic loader is secured to the top of the slide bearing mount.
3. The tilting pad plain bearing test housing according to claim 1, wherein the oiling device is a hydraulic pump.
4. A tilting pad plain bearing test housing according to claim 1, further comprising rotational speed measuring means for detecting rotational speed of the hollow input shaft.
5. The tilting pad slide bearing testing housing according to claim 4 wherein the rotational speed measuring device includes a gear and a hall sensor for sensing rotational speed of the gear, the gear being mounted on a rear end of the hollow input shaft.
6. The tilting pad sliding bearing test bench is characterized by comprising a hydraulic controller, a high-frequency collector, a rotating speed measuring device, a frequency converter, a test computer, a driving motor, a torque meter, a speed increasing box and a bearing test box which are sequentially connected in a transmission mode, wherein the bearing test box is the tilting pad sliding bearing test box according to any one of claims 1-3, the hydraulic controller is connected with a hydraulic loader, the high-frequency collector is respectively connected with the torque meter and the rotating speed measuring device, the frequency converter is connected with the driving motor, the hydraulic controller, the high-frequency collector and the frequency converter are connected with the test computer, and a wireless strain node and the test computer are connected through wireless signals.
7. The tilting pad sliding bearing test bench according to claim 6, wherein the speed increasing box comprises a speed increasing box body, an input shaft, a first large gear, a first small gear, a first rotating shaft, a second large gear, a second small gear, a second rotating shaft, a third small gear and an output shaft, wherein the input shaft, the first rotating shaft, the second rotating shaft and the output shaft are all supported on the speed increasing box body, the input shaft and the output shaft are coaxially arranged, the first large gear is fixedly mounted on the input shaft, the first small gear and the second large gear are fixedly mounted on the first rotating shaft, the second small gear is sleeved on the second rotating shaft, the third small gear is fixedly mounted on the output shaft, the first large gear and the first small gear are in meshed transmission, and the second large gear, the second small gear and the third small gear are in meshed transmission in sequence.
8. The tilting pad slide bearing test stand according to claim 6 wherein the drive motor is coupled to the torque meter via a first coupling, the torque meter is coupled to the speed increasing housing via a second coupling, and the hollow input shaft is coupled to the speed increasing housing via a third coupling.
9. The tilting pad sliding bearing test stand according to claim 6 wherein the rotational speed measuring means comprises a gear and a hall sensor sensing the rotational speed of the gear, the gear being mounted at the rear end of the hollow input shaft.
10. A method of testing a tilting pad plain bearing test stand, the method being implemented in the stand of claim 6, the method comprising the steps of:
(1) The test computer controls the rotating speed of the driving motor through the frequency converter, and the power of the driving motor is finally input to the hollow input shaft of the bearing test box through the torque meter and the speed increasing box in sequence;
(2) The torque meter collects output torque data of the driving motor in real time, the rotating speed measuring device collects real-time rotating speed data of the hollow input shaft in real time, the torque meter and the rotating speed measuring device transmit the collected data to the high-frequency collector, and the high-frequency collector transmits the data to the test computer;
(3) The test computer controls the hydraulic loader through the hydraulic controller, and the hydraulic loader applies load to the sliding bearing seat, so that the transient pressure and distribution of the tilting pad sliding bearing oil film under different rotating speeds and load working conditions are realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910954115.7A CN110542556B (en) | 2019-10-09 | 2019-10-09 | A tilting pad sliding bearing test box, test bench and test method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910954115.7A CN110542556B (en) | 2019-10-09 | 2019-10-09 | A tilting pad sliding bearing test box, test bench and test method |
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| CN110542556B true CN110542556B (en) | 2025-04-25 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426475B (en) * | 2020-05-06 | 2021-09-17 | 湖南汉能科技有限公司 | Main shaft bearing impact test platform |
| CN112595513B (en) * | 2020-12-28 | 2022-11-18 | 湖南崇德科技股份有限公司 | Integrated bearing test bench |
| CN114001960B (en) * | 2021-10-29 | 2023-12-12 | 浙江申发轴瓦股份有限公司 | Inverted tilting pad sliding bearing test bed |
| CN114061950B (en) * | 2021-11-11 | 2024-02-13 | 浙江申发轴瓦股份有限公司 | Positive fluid bearing tilting pad sliding bearing test bed |
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