CN221350528U - Water lubrication bearing performance test bed - Google Patents
Water lubrication bearing performance test bed Download PDFInfo
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- CN221350528U CN221350528U CN202323379776.2U CN202323379776U CN221350528U CN 221350528 U CN221350528 U CN 221350528U CN 202323379776 U CN202323379776 U CN 202323379776U CN 221350528 U CN221350528 U CN 221350528U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 131
- 238000005461 lubrication Methods 0.000 title claims abstract description 96
- 238000011056 performance test Methods 0.000 title claims abstract description 29
- 238000012360 testing method Methods 0.000 claims abstract description 92
- 238000000034 method Methods 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 claims abstract description 11
- 238000010168 coupling process Methods 0.000 claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000009826 distribution Methods 0.000 claims abstract description 7
- 239000000498 cooling water Substances 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 19
- 230000008859 change Effects 0.000 claims description 18
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 6
- 238000005299 abrasion Methods 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000012795 verification Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 18
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 101000983970 Conus catus Alpha-conotoxin CIB Proteins 0.000 description 2
- 101000932768 Conus catus Alpha-conotoxin CIC Proteins 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to a water lubrication bearing performance test bed which comprises a variable frequency motor, a gear box, a torque tachometer, a universal coupling, a loading device, a tested water lubrication bearing, a mounting assembly, an axial limiting device, a support and a mounting platform, wherein the loading device is arranged on the variable frequency motor; the variable frequency motor is connected with a tested water lubrication bearing and a test shaft in the installation assembly through a gear box and a universal coupling, and is used for driving the test shaft to operate according to a set rotating speed, and the other end of the test shaft is connected with an axial limiting device; the two loading devices are respectively arranged at two ends of the test shaft and are used for applying load to the test shaft to simulate the running load of the water lubrication bearing and testing and analyzing the friction characteristics of the water lubrication bearing through the tension pressure sensor and the torque rotating speed instrument. The test bed realizes the loading function of the transmission shaft on the water lubrication bearing in the practical application process, can simulate the different load distribution and the loading requirement of the water lubrication bearing in the axial direction, and realizes the equipment performance test and verification requirement of the water lubrication bearing under different loads.
Description
Technical Field
The utility model relates to a stern bearing of a ship power propulsion system, in particular to a water lubrication bearing performance test platform.
Background
With the attention of world countries to international convention of preventing offshore oil pollution, more and more ship stern bearings select water lubrication bearings, and natural water is used for replacing mineral oil as a lubrication medium, so that the environmental protection problem is solved. With the wider and wider application of the water-lubricated bearing, the performance requirement on the water-lubricated bearing is higher and higher, and the performance test and verification are required to be carried out through a test platform, so that the design of the water-lubricated bearing is optimized, and the occurrence of the failure of the water-lubricated bearing in the application of a real ship is reduced. The water lubrication bearing of the ship stern shaft bears radial load, does not bear axial load, and needs to detect the performance characteristics of the water lubrication bearing under the radial load. The current water lubrication bearing test bed comprises a water lubrication bearing and transmission system comprehensive performance test platform (publication number CN 102269654B), a water lubrication bearing comprehensive performance test bed (publication number CN 108709743B) and a water lubrication bearing test device (publication number CN 110470473B) which are disclosed, and the performance simulation test under the radial loading working condition of the water lubrication bearing is carried out by applying load on an external fixing device of the tested water lubrication bearing, so that the performance simulation test is different from the actual working condition that the radial load is applied to the water lubrication bearing by a ship stern shaft water lubrication bearing through a transmission shaft, and the service conditions of different ship stern shaft water lubrication bearing load distribution at different installation positions cannot be better simulated; the disclosed test device for the ship water lubrication stern bearing (publication No. CN 201096619Y) realizes the single-end loading working condition of the transmission shaft in the water lubrication bearing, but cannot realize the control of the radial load of the water lubrication bearing along different axial distributions.
Aiming at the load characteristics of the ship stern shaft water lubrication bearing, a water lubrication bearing performance test bed is required to be designed, so that the loading function of a transmission shaft in the water lubrication bearing is realized, the loading function of different load distribution in the axial direction of the water lubrication bearing can be realized, and the verification requirement of the equipment performance of the ship stern shaft water lubrication bearing under different loads is met.
Disclosure of Invention
The utility model provides a water lubrication bearing performance test bed, which is used for simulating the actual load of a ship stern shaft water lubrication bearing and completing the performance test of the water lubrication bearing on a test bed.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: a water lubrication bearing performance test bed comprises a variable frequency motor, a gear box, a torque tachometer, a universal coupling, a loading device, a tested water lubrication bearing, a mounting assembly, an axial limiting device, a support and a mounting platform; the variable frequency motor is connected with a tested water lubrication bearing and a test shaft in the installation assembly through a gear box and a universal coupling, and is used for driving the test shaft to operate according to a set rotating speed, and the other end of the test shaft is connected with an axial limiting device; the two loading devices are respectively arranged at two ends of the test shaft and are used for applying load to the test shaft to simulate the running load of the water lubrication bearing, and the friction characteristics of the water lubrication bearing are tested and analyzed through the tension pressure sensor and the torque tachometer, so that the test of the friction characteristics of the water lubrication bearing under the simulated running working conditions of different rotation speeds and load distribution is completed.
Further, the loading device comprises a bearing seat, a loading bearing, a tension pressure sensor, a connecting rod, a loading oil cylinder, a shaft pin and a loading device support; the loading oil cylinder is arranged on the loading device support, is connected with the bearing seat and the loading bearing through the connecting rod, and is used for loading the load of the water lubrication bearing to be tested on the test shaft through the loading bearing by the output acting force of the loading oil cylinder, and the load is measured by the tension pressure sensor.
Further, the ball-bearing hinge ear ring is arranged in the loading oil cylinder and hinged with the loading device support through the shaft pin, so that the requirement of angular displacement of the loading oil cylinder in a certain range in the test process is met, and the problem that the stability of loading load is influenced due to the fact that the output shaft of the loading oil cylinder is restrained is avoided.
Furthermore, the loading cylinders of the two loading devices are connected with a hydraulic control system, the hydraulic control system controls the output force of the loading cylinders, and synchronous loading control of the two loading devices is realized through the same servo valve, or the two loading devices are independently controlled by different servo valves, so that the requirements of various loading loads of the tested water lubrication bearing are finally met.
Further, the hydraulic control system comprises a servo valve and a ball valve, wherein the servo valve is connected with the loading oil cylinders through the ball valve, and the two loading oil cylinders are connected through the ball valve.
Further, the tested water lubrication bearing and mounting assembly comprises a displacement sensor, an inlet temperature sensor, a cooling water inlet joint, a sealing device, a water cabin, a water lubrication bearing mounting support, a cooling water outlet joint and an outlet temperature sensor, wherein a test shaft is mounted in the water lubrication bearing mounting support through the tested water lubrication bearing, the water cabins are arranged on two sides of the water lubrication bearing mounting support, the displacement sensor is arranged on each water cabin, the cooling water inlet joint and the cooling water outlet joint are respectively arranged on the two water cabins, the sealing device is arranged between the water cabin and the test shaft, cooling water is continuously supplied to the cooling water of the tested water lubrication bearing through the cooling water joint on the water cabin, and the temperature sensor is arranged on the cooling water inlet and outlet joint to detect the inlet and outlet cooling water temperature.
Further, the sealing device is provided with an axial elastic sealing device and is used for sealing the axial end face of cooling water in the running process of the test shaft, and meanwhile, the sealing device has certain axial centering and resetting functions on the test shaft; and detecting the change of the abrasion loss in the water lubrication bearing test process through a displacement sensor.
Further, axial stop device includes spacing axle, thrust bearing, stopper, locking ring, fixing base, spherical axle bush, and axial stop device passes through spacing axle connection test axle, and spacing axle is connected through two thrust bearing and stopper, and stopper fixed connection is in two fixing bases, and the tail end is fixed with the locking ring, sets up spherical axle bush in the stopper for the axial slope that the uneven friction of water lubricated bearing caused in the adaptation test process avoids test axle and spacing axle to be retrained and produces additional friction and lead to whole test system water lubricated bearing friction moment to detect inaccurately.
Further, a waist-shaped hole is formed in the fixing seat and used for achieving an axial position adjusting function during installation of the test bed.
Further, the gear box adopts a multistage speed change gear box with a low speed and a large reduction ratio and a high speed and a small reduction ratio.
The beneficial effects of the utility model are that
The water lubrication bearing performance test bed adopts a driving device composed of a variable frequency motor, a multi-stage speed change gear box, a coupler and other parts, realizes the control of the test rotating speed of the water lubrication bearing, can output driving torque capacity matched with the operation requirement under different operation rotating speeds, and maximally utilizes the performance of the driving device such as the motor; the test bed adopts a loading device and a hydraulic control system, so that the functions of distributing and loading different loads in the axial direction of the water lubrication bearing are realized, and the verification requirement of the equipment performance of the ship stern shaft water lubrication bearing under different loads is met; the universal coupler and the axial limiting device are adopted in the test bed, so that the requirement of dynamic change of the test shaft position in the running process of the test shaft is met, and the problem of inaccurate detection of the friction moment of the water lubrication bearing of the whole test system caused by the additional friction force generated by the restrained dynamic change of the test shaft is solved; the test bed adopts a water tank and a sealing device, so that the supply of cooling water of the water lubrication bearing is realized, and the elastic sealing device has certain axial centering and resetting functions on the test shaft; the test bed adopts detection elements such as a torque tachometer, a force sensor, a temperature sensor, a displacement sensor and the like to test and analyze the performances such as the friction characteristics of the water lubrication bearing.
Drawings
FIG. 1 is a schematic diagram of a water lubricated bearing performance test stand of the present utility model;
FIG. 2 is a schematic view of the loading apparatus of FIG. 1;
FIG. 3 is a schematic illustration of the water lubricated bearing and mounting assembly of FIG. 1;
FIG. 4 is a schematic view of the axial stop device of FIG. 1;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
FIG. 6 is a schematic diagram of a one-to-one hydraulic control system for a loading device in a water lubricated bearing performance test stand of the present utility model;
FIG. 7 is a schematic diagram of a one-to-two hydraulic control system for a loading device in a water lubricated bearing performance test stand of the present utility model.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
As shown in fig. 1 to 7, the water lubrication bearing test bed of the utility model is composed of a variable frequency motor 1, a first coupler 2, a gear box 3, a second coupler 4, a torque tachometer 5, a universal coupler 6, loading devices 7a and 7b, a tested water lubrication bearing and mounting assembly 8, an axial limiting device 9, a support 10, a mounting platform 11 and the like. Starting from the characteristics of the use working conditions of the ship stern shaft water lubrication bearing, the requirement of dynamic change of the test shaft position in the running process of the test shaft is met, and the performance test of the friction characteristics and the like of the water lubrication bearing under the simulated running working conditions of different rotating speeds and load distribution can be completed.
As shown in fig. 1, the variable frequency motor 1 drives a tested water lubrication bearing and a test shaft 8.4 in an installation assembly 8 to operate according to a set rotating speed through components such as a first coupling 2, a gear box 3, a second coupling 4 and the like; aiming at the performance characteristics that the friction coefficient between the water lubrication bearing and the test shaft has larger influence along with the change of the running rotating speed of the shaft, the gear box 3 is a multi-stage speed change gear box, and the output characteristics of the gear box, namely, the low speed, the large speed, the high speed and the small torque are ensured by adopting the gear box with the low speed, the large speed and the small speed. Because the friction coefficient between the water lubrication bearing and the test shaft has a large influence along with the change of the running rotating speed of the shaft, the friction coefficient at the low-speed running stage is more than 10 times different from the friction coefficient at the high-speed running stage, and the friction torque at the same load is more than 10 times different. By adopting the design of the multistage speed change gear box, the performance of the variable frequency motor can be fully utilized, and the resource waste caused by overlarge power selection of the variable frequency motor is avoided. The driving device can output driving torque capacity matched with operation requirements under different operation speeds, and the performances of driving device components such as the variable frequency motor 1 and the like are utilized to the greatest extent; the front and rear loading devices 7a and 7b apply load to the test shaft 8.4 to simulate the running load of the water lubrication bearing, and the performances of the water lubrication bearing such as friction characteristics and the like are tested and analyzed through the detection elements such as the torque tachometer 5, the tension pressure sensor 7.3, the temperature sensors 8.2 and 8.10, the displacement sensors 8.1a and 8.1b and the like; the universal coupling 6 and the axial limiting device 9 realize meeting the requirement of dynamic change of the test shaft position in the running process of the test shaft, and solve the problem of inaccurate detection of the friction moment of the water lubrication bearing of the whole test system caused by the additional friction force generated by the restrained dynamic change of the test shaft.
The universal coupling 6 can avoid that the load is transferred to the load loaded by the tested water lubrication bearing by other parts between the variable frequency motor and the universal coupling and cannot be accurately measured; meanwhile, the requirement of the position change of the test shaft in the running process of the water lubrication bearing is met, the situation that the running of the test shaft is restrained due to the fact that the centering of the test shaft and the second output shaft of the driving end coupler of the driving end of the test bed driving device in the running process is not met is avoided, the loading of the water lubrication bearing is affected, and the running performance of the water lubrication bearing cannot be fully verified.
As shown in fig. 2, the loading devices 7a and 7b are composed of a bearing seat 7.1, a loading bearing 7.2, a tension pressure sensor 7.3, a connecting rod 7.4, a loading oil cylinder 7.5, a shaft pin 7.6, a loading device support 7.7 and the like, the loading oil cylinder 7.5 outputs acting force to load the tested water lubrication bearing on the test shaft through the loading bearing 7.2, and the load is measured by the tension pressure sensor 7.3. The spherical hinge ear ring is arranged in the loading oil cylinder 7.5, so that the requirement of angular displacement of the loading oil cylinder in a certain range in the test process can be met, and the problem that the stability of loading load is influenced due to the restraint of an output shaft of the loading oil cylinder is avoided. The front loading device and the rear loading device are arranged in the water lubrication bearing performance test bed, the output force of the loading oil cylinder 7.5 in the loading device is controlled through the hydraulic system, the synchronous loading control of the two loading devices can be realized through the same servo valve in the hydraulic system, the independent control of the two loading devices by using different servo valves can also be realized, and finally the requirements of various loading loads of the tested water lubrication bearing are met.
As shown in fig. 3, the tested water lubricated bearings and the mounting assembly are composed of displacement sensors 8.1a, 8.1b, an inlet temperature sensor 8.2, a cooling water inlet joint 8.3, a test shaft 8.4, a sealing device 8.5, water tanks 8.6a, 8.6b, a tested water lubricated bearing 8.7, a water lubricated bearing mounting support 8.8, a cooling water outlet joint 8.9, an outlet temperature sensor 8.10 and the like. The simulation of different use conditions of the tested water lubrication bearing 8.7 is completed through the control of the load and the rotation speed change on the test shaft 8.4; the cooling water finishes continuous supply of the cooling water of the tested water lubrication bearing 8.7 through cooling water inlet joints 8.3 and cooling water outlet joints 8.9 on water tanks 8.6a and 8.6b, and inlet and outlet temperature sensors 8.2 and 8.10 are arranged on the cooling water inlet and outlet joints 8.3 and 8.9 to detect the temperature of the inlet and outlet cooling water; the sealing devices 8.5a and 8.5b with axial elastic sealing force function are selected to finish the axial end face sealing function of cooling water in the running process of the test shaft, and meanwhile, the axial end face sealing device has certain axial centering and resetting functions on the test shaft; the displacement sensors 8.1a and 8.1b detect the change of the abrasion loss during the water lubrication bearing test.
As shown in fig. 4 and 5, the axial limiting device consists of a limiting shaft 9.1, thrust bearings 9.2a and 9.2b, a limiter 9.3, a locking ring 9.4, a first fixing seat 9.5, a spherical bearing bush 9.6, a bolt 9.7, a second fixing seat 9.8 and the like. The thrust bearings 9.2a and 9.2b are arranged in the axial limiting device 9, so that the influence of additional friction moment caused by small change of the axial position of the test shaft on the detection of the whole test system in the running process of the test bed is well weakened; the spherical bearing bush 9.6 is arranged in the axial limiting device 9, so that the axial inclination caused by uneven abrasion of the water lubrication bearing in the test process can be adapted, and the problem that the friction moment of the water lubrication bearing of the whole test system is inaccurate to detect due to additional friction force generated by the constraint of the test shaft and the limiting shaft is avoided; waist-shaped holes 9.9 are formed in the first fixing seat 9.5 and the second fixing seat 9.8, and the axial position adjusting function during the installation of the test bed can be achieved.
As shown in fig. 2, 6 and 7, the hydraulic control system of the loading device is composed of servo valves V1.1 and V1.2, ball valves V2.1-V2.6, cylinders C1.1 and C1.2, and the like, wherein the cylinders C1.1 and C1.2 are two loading cylinders in two sets of loading devices. The output force of a loading cylinder 7.5 in loading devices 7a and 7b is controlled through servo valves V1.1 and V1.2 in the hydraulic control system, the load of a tested water lubrication bearing 8.7 is loaded on a test shaft 8.4 through a loading bearing 7.2, and the load is measured by a pull pressure sensor 7.3. The spherical hinge ear ring is arranged in the loading oil cylinder 7.5, so that the requirement of angular displacement of the loading oil cylinder 7.5 in a certain range in the test process can be met, and the problem that the stability of loading load is influenced due to the restraint of an output shaft of the loading oil cylinder 7.5 is avoided. The water lubrication bearing performance test bed is provided with a front loading device 7a and a rear loading device 7b, and the output force of a loading cylinder in the loading device is controlled through the design of a hydraulic system; closing ball valves V2.1, V2.2 or V2.3, V2.4, and opening ball valves V2.5, V2.6, wherein synchronous loading control of two sets of loading devices can be realized through a single servo valve V1.2 or V1.1 in a hydraulic control system; closing the ball valves V2.5 and V2.6 and opening the ball valves V2.1, V2.2, V2.3 and V2.4 to realize the independent control of the servo valves V1.1 and V1.2 on the loading devices 7a and 7 b; in combination with the two sets of loading devices 7a, 7b shown in fig. 1, the distances L1, L2 are arranged to the positions of the water lubricated bearings 8.7 to be tested, so that the requirements of various loading loads of the water lubricated bearings 8.7 to be tested can be met.
Claims (10)
1. A water lubrication bearing performance test bed is characterized in that: the device comprises a variable frequency motor, a gear box, a torque tachometer, a universal coupling, a loading device, a tested water lubrication bearing, a mounting assembly, an axial limiting device, a support and a mounting platform; the variable frequency motor is connected with a tested water lubrication bearing and a test shaft in the installation assembly through a gear box and a universal coupling, and is used for driving the test shaft to operate according to a set rotating speed, and the other end of the test shaft is connected with an axial limiting device; the two loading devices are respectively arranged at two ends of the test shaft and are used for applying load to the test shaft to simulate the running load of the water lubrication bearing, and the friction characteristics of the water lubrication bearing are tested and analyzed through the tension pressure sensor and the torque tachometer, so that the test of the friction characteristics of the water lubrication bearing under the simulated running working conditions of different rotation speeds and load distribution is completed.
2. The water lubricated bearing performance test stand according to claim 1, wherein: the loading device comprises a bearing seat, a loading bearing, a tension pressure sensor, a connecting rod, a loading oil cylinder, a shaft pin and a loading device support; the loading oil cylinder is arranged on the loading device support, is connected with the bearing seat and the loading bearing through the connecting rod, and is used for loading the load of the water lubrication bearing to be tested on the test shaft through the loading bearing by the output acting force of the loading oil cylinder, and the load is measured by the tension pressure sensor.
3. The water lubricated bearing performance test stand according to claim 2, wherein: the loading oil cylinder is internally provided with the lug ring with the ball hinge and is hinged with the loading device support through the shaft pin, so that the requirement of angular displacement of the loading oil cylinder in a certain range in the test process is met, and the problem that the stability of loading load is influenced due to the fact that the output shaft of the loading oil cylinder is restrained is avoided.
4. The water lubricated bearing performance test stand according to claim 1, wherein: the loading cylinders of the two loading devices are connected with a hydraulic control system, the hydraulic control system controls the output force of the loading cylinders, and synchronous loading control of the two loading devices is realized through the same servo valve, or the two loading devices are independently controlled by different servo valves.
5. The water lubricated bearing performance test stand according to claim 4, wherein: the hydraulic control system comprises a servo valve and a ball valve, wherein the servo valve is connected with the loading oil cylinders through the ball valve, and the two loading oil cylinders are connected through the ball valve.
6. The water lubricated bearing performance test stand according to claim 1, wherein: the tested water lubrication bearing and mounting assembly comprises a displacement sensor, an inlet temperature sensor, a cooling water inlet connector, a sealing device, a water tank, a water lubrication bearing mounting support, a cooling water outlet connector and an outlet temperature sensor, wherein a test shaft is mounted in the water lubrication bearing mounting support through the tested water lubrication bearing, the water tanks are arranged on two sides of the water tank, the displacement sensor is arranged on the water tank, the cooling water inlet connector and the cooling water outlet connector are respectively arranged on the two water tanks, the sealing device is arranged between the water tank and the test shaft, cooling water is continuously supplied to the tested water lubrication bearing through the cooling water connector on the water tank, and the inlet and outlet temperature sensor is arranged on the cooling water inlet and outlet connector to detect inlet and outlet cooling water temperature.
7. The water lubricated bearing performance test stand according to claim 6, wherein: the sealing device is provided with an axial elastic sealing device and is used for sealing the axial end face of cooling water in the running process of the test shaft, and meanwhile, the sealing device has certain axial centering and resetting functions on the test shaft; and detecting the change of the abrasion loss in the water lubrication bearing test process through a displacement sensor.
8. The water lubricated bearing performance test stand according to claim 1, wherein: the axial limiting device comprises a limiting shaft, thrust bearings, limiters, locking rings, fixing seats and spherical bearing bushes, wherein the axial limiting device is connected with the test shaft through the limiting shaft, the limiting shaft is connected with the limiters through the two thrust bearings, the limiters are fixedly connected in the two fixing seats, the tail ends of the limiters are fixed through the locking rings, the spherical bearing bushes are arranged in the limiters and are used for adapting to axial inclination caused by uneven abrasion of the water lubrication bearings in the test process, and the fact that the test shaft and the limiting shaft are restrained to generate additional friction force to cause inaccurate detection of friction moment of the water lubrication bearings of the whole test system is avoided.
9. The water lubricated bearing performance test stand according to claim 8, wherein: the waist-shaped hole is arranged in the fixing seat and used for realizing the axial position adjusting function during the installation of the test bed.
10. The water lubricated bearing performance test stand according to claim 1, wherein: the gear box adopts a multistage speed change gear box with low speed and large speed reduction ratio and high speed and small speed reduction ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323379776.2U CN221350528U (en) | 2023-12-11 | 2023-12-11 | Water lubrication bearing performance test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323379776.2U CN221350528U (en) | 2023-12-11 | 2023-12-11 | Water lubrication bearing performance test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221350528U true CN221350528U (en) | 2024-07-16 |
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ID=91828746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323379776.2U Active CN221350528U (en) | 2023-12-11 | 2023-12-11 | Water lubrication bearing performance test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221350528U (en) |
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2023
- 2023-12-11 CN CN202323379776.2U patent/CN221350528U/en active Active
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