CN116773385A - Totally-enclosed electromagnetic loading type deep sea high-pressure friction testing machine - Google Patents
Totally-enclosed electromagnetic loading type deep sea high-pressure friction testing machine Download PDFInfo
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- CN116773385A CN116773385A CN202310496259.9A CN202310496259A CN116773385A CN 116773385 A CN116773385 A CN 116773385A CN 202310496259 A CN202310496259 A CN 202310496259A CN 116773385 A CN116773385 A CN 116773385A
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 210000004907 gland Anatomy 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 3
- 238000001816 cooling Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 6
- 239000000110 cooling liquid Substances 0.000 claims description 4
- 238000004088 simulation Methods 0.000 abstract description 4
- 239000013535 sea water Substances 0.000 description 15
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/023—Pressure
- G01N2203/0232—High pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The application discloses a totally-enclosed electromagnetic loading type deep sea high-pressure friction testing machine in the technical field of friction and wear, which comprises a frame, wherein a driving assembly is arranged on the frame, and an output shaft of the driving assembly is connected with a main shaft through a belt conveying mechanism; the upper part of the main shaft is sleeved with a gland, the lower part of the gland is fixedly connected with a main sleeve, and the lower part of the main shaft is fixedly connected with a pin sample mounting plate; the lower part of the main sleeve is provided with a compression assembly, the compression assembly comprises a sealing block, a force transmission shaft is coaxially and fixedly connected to the sealing block, a friction auxiliary disc is fixedly connected to the force transmission shaft, a pressure sensor is fixedly arranged at the lower part of the force transmission shaft, a spring sleeve is fixedly arranged at the lower part of the pressure sensor, and an elastic piece is arranged between the spring sleeve and the main sleeve; the driving assembly is electrically connected with a signal monitoring system, and the pressure sensor is electrically connected with a pressure monitoring system. The application can realize the simulation of the deep sea high-pressure environment by the full-closed electromagnetic loading, and can achieve the accurate assessment of the friction and wear performance of the pin sample and the auxiliary disk.
Description
Technical Field
The application belongs to the technical field of friction and wear, and particularly relates to a fully-closed electromagnetic loading type deep sea high-pressure friction testing machine.
Background
The existing seawater friction wear testing machine is normal-pressure seawater, deep-sea environment simulation under high pressure cannot be realized, and the influence of pressure on friction wear performance under the high-pressure deep-sea environment is ignored in the pin disc friction wear performance test, so that performance evaluation is incomplete;
the existing deep sea environment test is directly carried out by diving into a fixed depth below the sea level in a model machine mode, so that the method has great uncertainty and safety risk, simultaneously causes great cost waste and time consumption, and in addition, when the depth is reached, the deep sea friction test cannot be realized due to overlarge pressure and incapability of operation.
The friction and wear performance test is carried out by preparing artificial seawater or taking samples of seawater samples in the normal-pressure seawater environment, has the advantages of low cost, simple loading and detection, suitability for sea surface test, and success in various seawater friction and wear tests, such as a vertical universal friction and wear tester, a high-speed ring friction and wear tester and the like. The research of the deep sea high-pressure environment is carried out later than the shallow sea normal pressure environment, the closed high-pressure sea water environment is simulated, and the method has obvious advantages in the occasion that the artificial sea water corresponding to the sea depth of the sea area is prepared at different sea depths to carry out the friction and wear test under the high-pressure sea water environment.
Disclosure of Invention
The application aims to provide a totally-enclosed electromagnetic loading type deep sea high-pressure friction testing machine which is used for simulating a high-pressure deep sea environment and measuring friction and wear properties of two or the same materials in the deep sea high-pressure environment.
In order to achieve the above object, the technical scheme of the present application is as follows: a totally-enclosed electromagnetic loading type deep sea high-pressure friction testing machine comprises a frame, wherein a driving assembly is arranged on the frame, and an output shaft of the driving assembly is connected with a main shaft through a belt conveying mechanism;
the upper part of the main shaft is sleeved with a gland which is rotationally connected with the main shaft, the lower part of the gland is fixedly connected with a main sleeve which is fixedly connected with the frame, and the lower part of the main shaft is fixedly connected with a pin sample mounting disc;
the main sleeve is provided with a plurality of water filling ports communicated with the main sleeve, and a pressure gauge is arranged on any one water filling port;
the lower part of the main sleeve is provided with a compression assembly, the compression assembly comprises a sealing block, a force transmission shaft is coaxially and fixedly connected to the sealing block, a friction auxiliary disc is fixedly connected to the force transmission shaft, a pressure sensor is fixedly arranged at the lower part of the force transmission shaft, a spring sleeve is fixedly arranged at the lower part of the pressure sensor, and an elastic piece is arranged between the spring sleeve and the main sleeve;
the outer side of the main sleeve is sleeved with a plurality of cooling cavities fixedly connected with the main sleeve, electromagnetic coils are arranged in the cooling cavities, the electromagnetic coils are sleeved on the main sleeve, and cooling liquid is arranged in the cooling cavities;
the driving assembly is electrically connected with a signal monitoring system, and the pressure sensor is electrically connected with a pressure monitoring system.
Further, the driving assembly comprises a servo motor support and a servo motor arranged on the servo motor support, a first toothed belt wheel is coaxially and fixedly connected to an output shaft of the servo motor, a second toothed belt wheel is coaxially and fixedly connected to the upper end of the main shaft, and toothed belts are sleeved on the first toothed belt wheel and the second toothed belt wheel.
Further, the plurality of cooling cavities includes at least a first cooling cavity and a second cooling cavity.
Further, a first sealing ring is arranged between the main shaft and the gland, and the first sealing ring is sleeved on the main shaft.
Further, the upper part of the main shaft is sleeved with a bearing, an inner ring of the bearing is coaxially and fixedly connected with the main shaft, and an outer ring of the bearing is fixedly connected with the gland.
Further, a sealing gasket is arranged between the gland and the main sleeve.
Further, the bottom of the main sleeve is provided with a pressure discharging hole, and a pressure discharging part in threaded connection with the main sleeve is arranged in the pressure discharging hole.
Further, the friction fit auxiliary disc is mounted on the force transmission shaft through a friction disc positioning pin.
The principle of the scheme and the beneficial effects are adopted:
the application adopts an electromagnetic coil loading mode to realize totally-enclosed non-contact loading; the magnitude of the friction forward pressure value of the pin disc can be controlled by controlling the magnitude of the input current of the coil, and then the pressure value can be monitored by the pressure sensor from time to time, so that the purpose of accurate loading is achieved;
the application adopts a high-precision servo motor to drive the main rotating shaft to rotate in a toothed belt transmission mode. Semi-closed loop control of input and output current signals of the servo motor is realized, and current change is monitored constantly, so that the current change is converted into a friction force value signal, and a friction coefficient value is obtained;
injecting seawater into the fully-closed cavity, pressurizing and monitoring the pressure value of the seawater through the pressure gauge, so as to realize simulation of the ocean depth with high compliance, wherein the pressure value represents the ocean depth;
the application integrally realizes the accurate evaluation of the friction and wear test of the pin disc in the high-compliance deep sea high-pressure environment, and provides the totally-enclosed electromagnetic loading type deep sea high-pressure friction testing machine which has high reliability, greatly saves test cost and shortens the research and development period of the deep sea friction material for the friction and wear evaluation test in the deep sea environment.
Drawings
FIG. 1 is an isometric view of the present application;
FIG. 2 is a cross-sectional view of the present application;
fig. 3 is a schematic view of the pin sample mounting plate structure.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: the gear type hydraulic machine comprises a first toothed belt wheel 1, a toothed belt 2, a servo motor bracket 3, a servo motor 4, a bench platform 5, a first cooling oil cavity 6, a second cooling oil cavity 7, a second toothed belt wheel 8, a main shaft 9, a pressure gauge 10, a main sleeve 11, a water injection 12, a sealing ring 13, a pin sample mounting 14, a friction pin sample 15, a friction fit auxiliary disc 16, high-pressure seawater 17, a force transmission shaft 18, a frame 19, cooling oil 20, an electromagnetic coil 21, a gland 22, a bearing 23, a sealing gasket 24, a first stud 25, a second stud 26, a friction disc locating pin 27, a sealing block 28, a sealing ring 29, a pressure sensor 30, a spring sleeve 31, a spring 32, a spring cushion 33, a pressure discharge bolt 34 and a set screw 35.
Basically as shown in fig. 1, fig. 2 and fig. 3, the application provides a totally-enclosed electromagnetic loading type deep sea high-pressure friction testing machine, which comprises a rack 19 and a rack platform 5 fixed on the rack 19 by bolts, wherein a driving assembly is arranged on the right side of the rack platform 5 and comprises a servo motor bracket 3 fixed on the rack platform 5 by bolts, a servo motor 4 is fixedly arranged on the servo motor bracket 3 by bolts, the servo motor 4 is vertically arranged, a first toothed belt wheel 1 is coaxially and fixedly connected on an output shaft of the servo motor 4, and further comprises a second toothed belt wheel 8, and toothed belts 2 are sleeved on the first toothed belt wheel 1 and the second toothed belt wheel 8.
The first toothed belt wheel 1 is coaxially and fixedly connected with a main shaft 9, the upper part of the main shaft 9 is connected with a gland 22 through a bearing 23, the inner ring of the bearing 23 is coaxially and fixedly connected with the main shaft 9, the outer ring of the bearing 23 is fixedly connected with the gland 22, the lower part of the main shaft 9 is sleeved with a sealing ring 13, the sealing ring 13 is positioned between the gland 22 and the main shaft 9, the bottom of the main shaft 9 is coaxially and fixedly connected with a pin shaft sample mounting plate, and a friction pin sample 15 is mounted on one side wall of the pin shaft sample mounting plate through a set screw 35.
The lower part of the gland 22 is provided with a main sleeve 11 which is fixedly arranged on the bench platform 5 by bolts, a sealing gasket 24 is arranged between the main sleeve 11 and the gland 22, and the gland 22 is locked on the main sleeve 11 by a first bolt column and a second bolt column. In this embodiment, the main sleeve 11 is provided with a plurality of water injection ports 12 along the side wall thereof, the plurality of water injection ports 12 are arranged in the circumferential direction of the main sleeve 11, and a pressurizing gauge is mounted on any one of the water injection ports 12. Of course, one water injection port 12 may be filled with seawater by a booster pump, and the other water injection ports 12 may be closed.
The lower part in the main sleeve 11 is provided with compression assembly, compression assembly includes the sealing block 28 with main sleeve 11 fixed connection, coaxial fixedly connected with biography power axle 18 on the sealing block 28, the upper end of biography power axle 18 is through friction disc locating pin 27 fixedly connected with friction pair auxiliary disc 16, the lower part fixed mounting of biography power axle 18 has pressure sensor 30, the lower part fixed mounting of pressure sensor 30 has spring sleeve 31, the lower part fixed mounting of spring sleeve 31 has the elastic component, the elastic component is spring 32, the lower extreme fixedly connected with spring cushion 33 of spring 32, spring cushion 33 and main sleeve 11 bottom inside wall fixed connection. The lower part of the spring cushion block 33 is provided with a pressure discharge hole positioned on the main sleeve 11, a pressure discharge part in threaded connection with the main sleeve 11 is arranged in the pressure discharge hole, and the pressure discharge part is a pressure discharge bolt 34.
The outer side wall of the main sleeve 11 is sleeved with a plurality of cooling cavities, each cooling cavity at least comprises a first cooling cavity and a second cooling cavity positioned below the corresponding first cooling cavity, cooling liquid is filled in each of the first cooling cavity and the second cooling cavity, the cooling liquid is cooling oil 20, electromagnetic coils 21 are arranged in each of the first cooling cavity and the second cooling cavity, and the electromagnetic coils 21 are sleeved on the main sleeve 11.
In this embodiment, the pressure monitoring system is further electrically connected to the pressure sensor 30, and the servo motor 4 is electrically connected to the signal monitoring system.
The specific implementation process is as follows:
checking the state of the equipment and correcting the zero point of the equipment. Weighing the initial weight M of the sample of the pin sample 15 0 ;
Starting the electromagnetic coil 21 to supply current to the power supply, and exerting electromagnetic force in the Z-axis downward direction on the spring sleeve 31, so that the spring 32 is in a compressed state, and simultaneously the sealing block 28, the pressure sensor 30 and the force transmission shaft 18 move downwards;
taking out the main shaft 9, mounting a fixed pin sample mounting 14 disc and a friction pin sample 15 at the lower end of the main shaft 9, and mounting the main shaft 9 and a bearing 23 into a gland 22, wherein the friction pin sample 15 and the friction fit auxiliary disc 16 are in a non-contact state; the servo motor 4 is connected with a main shaft 9 through a toothed belt 2, a first toothed belt wheel 1 and a second toothed belt wheel 8; and the first stud 25 and the second stud 26 which are used for tightly connecting the main sleeve 11 and the gland 22 are screwed down to be fixed; starting to inject artificial seawater into the water injection port 12 until the water level at the position of the pressure gauge 10 shows the height; gradually adjusting the current input to the solenoid 21 to gradually relax the spring 32, and transmitting a signal indicating a force value through the pressure sensor 30 to indicate that the friction fit auxiliary plate 16 is in contact with the friction pin sample 15; at the moment, the water injection port 12 is pressed into the main sleeve 11 by a manual pressure testing pump until the pressure is slightly smaller than the set pressure, and the pressure value is read by the pressure gauge 10; and then the current of the electromagnetic coil 21 is continuously reduced, the friction fit auxiliary plate 16 moves upwards under the action of the elastic force of the spring 32, the pressure value N of the pressure sensor 30 is transmitted to a computer display (pressure monitoring system), so that the contact pressure of the friction pin sample 15 and the friction fit auxiliary plate 16 reaches a specified pressure value, meanwhile, the sea water pressure in the main sleeve 11 reaches a set pressure value, at the moment, the contact pressure of the friction fit auxiliary plate 16 reaches a set, the deep sea high pressure environment reaches a set, and the high pressure environment simulation of the deep sea friction test is completed.
The high-precision servo motor 4 driving and monitoring system is started, the main shaft 9 starts to rotate at a set rotating speed under the action of the conventional system of the toothed belt 2, the friction pin sample 15 takes the axis of the main shaft 9 as a rotating shaft, the pin sample mounting 14 disc mounting radius r as a radius, the servo motor 4 drives the rotating speed n to rotate, and the friction pin sample 15 starts to do circumferential friction motion on the friction fit auxiliary disc 16.
When the servo motor 4 is driven at a constant rotation speed, the current of the servo motor can change along with the change of the friction load, the change of a current signal reflects the magnitude of the friction force, and the current signal is collected and converted into a friction force value f and a friction coefficient mu through a signal collection converter.
After the specified test duration t is over, the equipment stops running, the pressure is relieved through the connecting pipe of the pressure gauge 10, the toothed belt 2 is disassembled to take out the main shaft 9, the friction pin sample 15 is disassembled, the sample is dried at the specified temperature and duration, and then the weight M of the sample after the test is weighed 1 The total wear of the pin sample is Δm.
During the experiment, the heat generated by the electromagnetic coil 21 is dissipated by the cooling oil 20 through the cooling oil 20 cavity. After the experiment is finished, directly reading a friction force value f and a friction coefficient mu in the whole friction test period, and obtaining an average friction force f and an average friction coefficient mu;
the wear rate W of the friction pin sample 15 can be calculated from the test weighing data as follows:
W=(M 0 -M 1 )/2πrtnN
in the embodiment, the friction fit auxiliary disc 16 is radially positioned in a counter bore of the force transmission shaft 18 through a pin, 5 degrees of freedom of the friction fit auxiliary disc 16 are limited, and the degree of freedom of movement in the Z-axis direction is constrained by the pressure of the friction pin sample 15; the friction fit auxiliary plate 16 material can be replaced to realize friction abrasion test in deep sea high pressure environment.
The foregoing is merely exemplary of the present application and the specific structures and/or characteristics of the present application that are well known in the art have not been described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present application, and these should also be considered as the scope of the present application, which does not affect the effect of the implementation of the present application and the utility of the patent. The protection scope of the present application is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (9)
1. A totally-enclosed electromagnetic loading type deep sea high-pressure friction testing machine is characterized in that: the device comprises a frame, wherein a driving assembly is arranged on the frame, and an output shaft of the driving assembly is connected with a main shaft through a belt conveying mechanism;
the upper part of the main shaft is sleeved with a gland which is rotationally connected with the main shaft, the lower part of the gland is fixedly connected with a main sleeve which is fixedly connected with the frame, and the lower part of the main shaft is fixedly connected with a pin sample mounting disc;
the main sleeve is provided with a plurality of water filling ports communicated with the main sleeve, and a pressure gauge is arranged on any one water filling port;
the lower part of the main sleeve is provided with a compression assembly, the compression assembly comprises a sealing block, a force transmission shaft is coaxially and fixedly connected to the sealing block, a friction auxiliary disc is fixedly connected to the force transmission shaft, a pressure sensor is fixedly arranged at the lower part of the force transmission shaft, a spring sleeve is fixedly arranged at the lower part of the pressure sensor, and an elastic piece is arranged between the spring sleeve and the main sleeve;
the outer side of the main sleeve is sleeved with a plurality of cooling cavities fixedly connected with the main sleeve, electromagnetic coils are arranged in the cooling cavities, the electromagnetic coils are sleeved on the main sleeve, and cooling liquid is arranged in the cooling cavities;
the driving assembly is electrically connected with a signal monitoring system, and the pressure sensor is electrically connected with a pressure monitoring system.
2. The totally enclosed electromagnetic loading type deep sea high pressure friction testing machine according to claim 1, wherein: the driving assembly comprises a servo motor support and a servo motor arranged on the servo motor support, a first toothed belt wheel is coaxially and fixedly connected to an output shaft of the servo motor, a second toothed belt wheel is coaxially and fixedly connected to the upper end of the main shaft, and toothed belts are sleeved on the first toothed belt wheel and the second toothed belt wheel.
3. The totally enclosed electromagnetic loading type deep sea high pressure friction testing machine according to claim 2, wherein: the plurality of cooling cavities at least comprises a first cooling cavity and a second cooling cavity.
4. A totally enclosed electromagnetic loading type deep sea high pressure friction testing machine according to claim 3, characterized in that: a first sealing ring is arranged between the main shaft and the gland, and the first sealing ring is sleeved on the main shaft.
5. The totally enclosed electromagnetic loading type deep sea high pressure friction testing machine according to claim 4, wherein: the upper part of the main shaft is sleeved with a bearing, an inner ring of the bearing is coaxially and fixedly connected with the main shaft, and an outer ring of the bearing is fixedly connected with the gland.
6. The totally enclosed electromagnetic loading type deep sea high pressure friction testing machine according to claim 5, wherein: a sealing gasket is arranged between the gland and the main sleeve.
7. The totally enclosed electromagnetic loading type deep sea high pressure friction testing machine according to claim 6, wherein: the bottom of the main sleeve is provided with a pressure discharging hole, and a pressure discharging piece in threaded connection with the main sleeve is arranged in the pressure discharging hole.
8. The fully enclosed electromagnetic loading type deep sea high pressure friction testing machine according to claim 7, wherein: the friction fit auxiliary disc is arranged on the power transmission shaft through a friction disc locating pin.
9. The totally enclosed electromagnetic loading type deep sea high pressure friction testing machine according to claim 8, wherein: the pin sample is fixed to the sample mounting plate by a set screw.
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CN202310496259.9A CN116773385A (en) | 2023-05-05 | 2023-05-05 | Totally-enclosed electromagnetic loading type deep sea high-pressure friction testing machine |
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CN202310496259.9A CN116773385A (en) | 2023-05-05 | 2023-05-05 | Totally-enclosed electromagnetic loading type deep sea high-pressure friction testing machine |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN117589621A (en) * | 2023-11-29 | 2024-02-23 | 兰州中科凯华科技开发有限公司 | Pin-disk type rotary friction wear testing system for deep sea high-pressure low-temperature environment |
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CN106370542A (en) * | 2016-10-31 | 2017-02-01 | 华中科技大学 | Sealing and cooling system for full-bathymetric abrasion and corrosion simulating test bench |
CN109883870A (en) * | 2019-03-15 | 2019-06-14 | 自然资源部天津海水淡化与综合利用研究所 | A kind of frictional wear test device under high pressure sea water environment |
CN215374930U (en) * | 2021-04-21 | 2021-12-31 | 清华大学 | Friction wear device |
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2023
- 2023-05-05 CN CN202310496259.9A patent/CN116773385A/en active Pending
Patent Citations (3)
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CN106370542A (en) * | 2016-10-31 | 2017-02-01 | 华中科技大学 | Sealing and cooling system for full-bathymetric abrasion and corrosion simulating test bench |
CN109883870A (en) * | 2019-03-15 | 2019-06-14 | 自然资源部天津海水淡化与综合利用研究所 | A kind of frictional wear test device under high pressure sea water environment |
CN215374930U (en) * | 2021-04-21 | 2021-12-31 | 清华大学 | Friction wear device |
Non-Patent Citations (1)
Title |
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Cited By (1)
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CN117589621A (en) * | 2023-11-29 | 2024-02-23 | 兰州中科凯华科技开发有限公司 | Pin-disk type rotary friction wear testing system for deep sea high-pressure low-temperature environment |
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