CN111060313A - Sliding bearing performance test experiment table under oil film cavitation state - Google Patents
Sliding bearing performance test experiment table under oil film cavitation state Download PDFInfo
- Publication number
- CN111060313A CN111060313A CN201911335773.4A CN201911335773A CN111060313A CN 111060313 A CN111060313 A CN 111060313A CN 201911335773 A CN201911335773 A CN 201911335773A CN 111060313 A CN111060313 A CN 111060313A
- Authority
- CN
- China
- Prior art keywords
- oil
- oil film
- main shaft
- bearing bush
- pressure sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002474 experimental method Methods 0.000 title claims abstract description 24
- 238000011056 performance test Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000003921 oil Substances 0.000 claims description 172
- 238000006073 displacement reaction Methods 0.000 claims description 22
- 239000010687 lubricating oil Substances 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 15
- 238000012360 testing method Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 9
- 239000013589 supplement Substances 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 8
- 239000002184 metal Substances 0.000 abstract description 3
- 239000011521 glass Substances 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Images
Classifications
-
- 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
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8411—Application to online plant, process monitoring
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a sliding bearing performance test experiment table under an oil film cavitation state, which comprises a main body structure and an oil-gas loop; the metal bearing bush of the sliding bearing is replaced by a transparent organic glass bearing bush in the main body structure, so that a high-speed camera can conveniently shoot the change of the air content in an oil film of the sliding bearing in real time, and the change of the performance of the sliding bearing is obtained through an additionally arranged sensor; and in order to realize the oil film cavitation condition, a set of oil-gas loop system is designed to charge the gas-containing oil liquid into the sliding bearing in the running process, so that the real-time measurement of the influence of the oil film on the performance of the sliding bearing under the cavitation condition is realized.
Description
Technical Field
The invention relates to the technical field of bearing performance testing, in particular to a test bench for testing the performance of a sliding bearing in an oil film cavitation state.
Background
The conventional sliding bearing experiment table generally fixes a shaft, a bearing bush is arranged on the sliding bearing experiment table, and the bearing bush is not fixed: lubricating oil in the bearing bush supports the starting shaft, the shaft rotates in the bearing bush under the support of the oil film, a dynamic pressure oil film is formed under the normal working condition and is in a liquid dynamic pressure lubrication state, and the dynamic pressure oil film has certain bearing capacity after being formed and is a main factor of the performance of the sliding bearing; however, when the oil film is in a cavitation state, a large number of bubbles are generated in the oil film, and when the oil film contains the bubbles, the friction power consumption and the performance of the sliding bearing in terms of load are influenced when the shaft runs. The common metal bearing bush is opaque, and the change of the gas content in the oil film cannot be dynamically observed, so that the influence of the change of the gas content in the oil film on the performance of the sliding bearing cannot be monitored in real time. In practical applications, the oil film contains air inevitably.
Disclosure of Invention
In order to solve the problems, the invention provides a sliding bearing performance test experiment table under an oil film cavitation state. The experiment table designed by the invention has the advantages that the metal bearing bush of the sliding bearing is replaced by the transparent organic glass bearing bush, so that the change of the air content in the oil film of the sliding bearing can be conveniently shot by a high-speed camera in real time, the change of the performance of the sliding bearing can be obtained by the additionally arranged sensor, in addition, in order to realize the oil film cavitation condition, a set of oil-gas loop system is designed, the oil-gas loop system is filled in the oil film of the sliding bearing in the operation process, and the real-time measurement of the influence of the oil film on.
The technical scheme for solving the technical problems is as follows: the performance test experiment table for the sliding bearing in the oil film cavitation state is characterized by comprising a main structure and an oil-gas loop, wherein the main structure comprises a motor, a motor support, a torque and rotating speed sensor, a bearing bush support, a transparent bearing bush, a main shaft, a balance weight, a sliding bearing seat, a displacement sensor, a base, a control cabinet, a light supplementing lamp and a high-speed camera; the motor is fixed on one side of the base through the motor support; an output shaft of the motor is connected with one side of the torque and rotation speed sensor through a first coupler, and the other side of the torque and rotation speed sensor is connected with one end of the main shaft through a second coupler; the torque and rotating speed sensor is used for measuring the rotating speed of the main shaft and measuring the torque value of the main shaft when the performance test experiment table is started and stopped; the periphery of the main shaft is sleeved with a transparent bearing bush, and the diameter of the transparent bearing bush is larger than that of the main shaft;
the main shaft and the transparent bearing bush are coaxially arranged, two ends of the transparent bearing bush are fixed on the bearing bush support, and the bottom of the bearing bush support is fixed on the base through a bolt; the other end of the main shaft is loaded with a balance weight, the axis of the balance weight is perforated, and the balance weight and the main shaft are coaxially arranged; the tail end of the main shaft is supported by a sliding bearing seat, the main shaft can rotate on the sliding bearing seat, two displacement sensors are mounted on the end face of the tail end of the main shaft, one of the displacement sensors detects the radial displacement of the main shaft, and the other displacement sensor detects the axial displacement of the main shaft, so that the axis displacement track of the main shaft is monitored, and the eccentricity of the main shaft is measured;
the diameter of the part of the main shaft, which is provided with the transparent bearing bush, is larger than the diameters of other parts, the bearing bush support is composed of supporting separation blades, an oil groove and a supporting table, the two supporting separation blades are arranged at two ends of the oil groove in parallel, the supporting table is arranged below the oil groove and supports the oil groove, and an oil outlet is formed in the bottom of the oil groove; the bottom of the supporting table is fixed on the base; a groove matched with the diameter of the transparent bearing bush is arranged on the side surface of one side of the supporting baffle sheet contacting with the transparent bearing bush, a through hole capable of allowing a main shaft at the part to pass through is arranged on the side surface of one side far away from the transparent bearing bush, the diameter of the main shaft at the part is smaller than that of the part provided with the transparent bearing bush, and the through hole extends downwards and is communicated with the oil groove; an oil inlet is formed in the middle of the top end of the transparent bearing bush, a first oil film pressure sensor and a second oil film pressure sensor are symmetrically arranged on two sides of the oil inlet, a sixth oil film pressure sensor, a seventh oil film pressure sensor and an eighth oil film pressure sensor are respectively arranged on the bottom of the transparent bearing bush opposite to the first oil film pressure sensor, the oil inlet and the second oil film pressure sensor, a third oil film pressure sensor, a fourth oil film pressure sensor and a fifth oil film pressure sensor are arranged at the outermost end of the transparent bearing bush in the horizontal direction, and the positions of the third oil film pressure sensor, the fourth oil film pressure sensor and the fifth oil film pressure sensor after the whole body rotates 90 degrees coincide with the positions of the sixth oil film pressure sensor, the seventh oil film pressure sensor and the eighth oil film pressure sensor; the eight oil film pressure sensors are all positioned in the grooves at corresponding positions on the inner side of the transparent bearing bush, and the probes of the eight oil film pressure sensors are positioned on the curved surface where the inner surface of the transparent bearing bush is positioned;
a light supplement lamp and a high-speed camera are arranged on one side of the position with the same height as the transparent bearing bush, the high-speed camera is used for shooting the number of bubbles in the lubricating oil, and the light supplement lamp provides a light source for the high-speed camera; the control cabinet is connected with the motor;
the oil gas loop comprises an air compressor, an oil tank, an online temperature controller, a gas flowmeter, a mixing pump, a temperature sensor, a pressure sensor, a liquid flowmeter, a filter and a cooling system, wherein the gas flowmeter is arranged on a gas pipeline between the air compressor and the mixing pump, the wired temperature controller is arranged on an oil supply pipeline between the oil tank and the mixing pump, and the temperature sensor, the pressure sensor and the liquid flowmeter are sequentially arranged on an oil inlet pipeline between the mixing pump and an oil inlet of the transparent bearing bush.
Compared with the prior art, the sliding bearing has the beneficial effects that the influence of bubbles contained in lubricating oil on the running performance of the sliding bearing is generally ignored in the running process of the sliding bearing of the traditional experiment table. It has been found through research that the performance of the sliding bearing is not negligible when the lubricating oil is filled with bubbles during high-speed operation of the sliding bearing. In order to accurately obtain the influence rule of the gas-containing oil on the operation performance of the sliding bearing, the experiment table is additionally provided with an oil-gas loop system which is used for filling the gas-containing oil into the experiment bearing section, a transparent bearing bush is designed and installed, the gas content of the lubricating oil in the experiment shaft section bearing is shot in real time by a high-speed camera, and the influence rule of the gas-containing oil on the friction loss and the load performance of the sliding bearing in the operation process is obtained through the torque value measured by an additionally-installed torque rotating speed sensor and the temperature value measured by an oil inlet and an oil outlet.
Drawings
FIG. 1 is a schematic diagram of the overall assembly of one embodiment of the performance testing bench of the present invention.
FIG. 2 is a schematic diagram of a main structure of an embodiment of a performance testing bench of the present invention
Fig. 3 is a schematic structural diagram of a transparent bearing bush and a spindle according to an embodiment of a performance testing experiment table of the present invention, wherein fig. 3(a) is a schematic front view (perspective view), and fig. 3(B) is a schematic cross-sectional structural diagram along a section B-B of fig. 3 (a).
Detailed Description
The present invention is described in detail below with reference to embodiments and drawings, where the embodiments are specific implementations based on the technical solutions of the present invention, and detailed implementation manners and processes are given. The scope of the claims of the present application is not limited to the description of the embodiments below.
The invention designs a performance test experiment table (performance test experiment table for short) of a sliding bearing in an oil film cavitation state, which comprises a main structure and an oil-gas loop, wherein the main structure comprises a motor 11, a motor support, a torque and rotating speed sensor 13, a bearing support 14, a transparent bearing bush 15, a main shaft 16, a counterweight 17, a sliding bearing seat 18, a displacement sensor 19, a base 20, a control cabinet 21, a light supplement lamp 22 and a high-speed camera 23; the motor 11 is fixed on one side of the base 20 through a motor support, and the motor 11 is a high-speed motor and is provided with a frequency converter and used for stepless speed regulation of the motor 11. An output shaft of the motor 11 is connected with one side of a torque and rotation speed sensor 13 through a first coupling, and the other side of the torque and rotation speed sensor 13 is connected with one end of a main shaft 16 through a second coupling; the torque and rotation speed sensor 13 is used for measuring the rotation speed of the main shaft 16 and measuring the torque value of the main shaft 16 when the performance test experiment table is started and stopped. The periphery of the main shaft 16 is sleeved with a transparent bearing bush 15, and the diameter of the transparent bearing bush 15 is larger than that of the main shaft 16.
The main shaft 16 and the transparent bearing bush 15 are coaxially installed, two ends of the transparent bearing bush 15 are fixed on the bearing bush support 14, and the bottom of the bearing bush support 14 is fixed on the base 20 through bolts. The other end of the main shaft 16 is loaded with a counterweight 17, the axis of the counterweight 17 is perforated and is made into a detachable structure, and the counterweight 17 and the main shaft 16 are coaxially installed. The tail end of the main shaft 16 is supported by a sliding bearing seat 18, the main shaft 16 can rotate on the sliding bearing seat 18, two displacement sensors 19 are mounted on the end face of the tail end of the main shaft 16, one of the displacement sensors detects the radial displacement of the main shaft 16, and the other displacement sensor detects the axial displacement of the main shaft 16, so that the axial displacement track of the main shaft is monitored, and the eccentricity of the main shaft is measured. The counterweight 17 is used for increasing the rotation torque of the main shaft 16, so that the torque and rotation speed sensor 13 can accurately measure the torque of the main shaft 16.
The diameter of a part, provided with a transparent bearing bush 15, of the main shaft 16 is larger than the diameters of other parts, the bearing bush support 14 is composed of support baffle plates, an oil groove and a support platform, the two support baffle plates are arranged at two ends of the oil groove in parallel, the support platform is arranged below the oil groove and has a support effect on the oil groove, an oil outlet is formed in the bottom of the oil groove, the bottom of the support platform is fixed on the base 20, a groove matched with the diameter of the transparent bearing bush 15 is formed in one side face, contacting the transparent bearing bush 15, of each support baffle plate, a through hole allowing the main shaft 16 located at the position to pass through is formed in one side face, far away from the transparent bearing bush 15, of each support baffle plate, the diameter of the main shaft 16 at the position is smaller than that of the position provided with the transparent bearing bush 15, the through hole extends downwards to be communicated with the oil groove, an oil inlet is formed in the middle of the top end of the transparent bearing bush 15, a first oil film pressure sensor ① and a second oil film pressure sensor ② are symmetrically arranged at two sides of the oil film pressure sensors ①, a first oil film pressure sensor 635 and a second oil film pressure sensor ②, a sixth oil film pressure sensor ②, a seventh oil film pressure sensor 635 is arranged at the inner surface of a transparent oil film pressure sensor 632 and a fifth oil film pressure sensor 18 and a transparent probe 94 pressure sensor 18 and a transparent probe 84 which is located at the inner surface of a transparent probe 18 which is located at the inner surface of a transparent oil film pressure sensor 18 and a transparent probe 18 which is located at the position which is located horizontally and a fifth oil film.
The distributed arrangement of the oil film pressure sensors is convenient for accurately measuring the oil film pressure at the bottom and the top of the testing section of the main shaft 16, and is mainly used for observing the distribution condition of the oil film pressure of the dynamic pressure sliding bearing.
Lubricating oil is injected between the transparent bearing bush 15 and the main shaft 16 through an oil inlet at the top end of the transparent bearing bush 15, then flows into the oil groove through two ends of the transparent bearing bush 15, and then flows back to the oil tank through an oil outlet at the bottom of the oil groove. A light supplement lamp 22 and a high-speed camera 23 are arranged on one side of the transparent bearing bush 15 at the same height, the high-speed camera 23 is used for shooting the number of bubbles in lubricating oil, and the light supplement lamp 22 provides a light source for the high-speed camera 23, so that the high-speed camera 23 can shoot more clearly. The control cabinet 21 is connected to the motor 11.
The oil gas loop comprises an air compressor 1, an oil tank 9, an online temperature controller 10, a gas flowmeter 2, a mixing pump 3, a temperature sensor 4, a pressure sensor 5, a liquid flowmeter 6, a filter 7 and a cooling system 8, wherein the gas flowmeter 2 is installed on a gas pipeline between the air compressor 1 and the mixing pump 3, the wired temperature controller 10 is installed on an oil supply pipeline between the oil tank 9 and the mixing pump 3, and the temperature sensor 4, the pressure sensor 5 and the liquid flowmeter 6 are sequentially installed on an oil inlet pipeline between the mixing pump 3 and an oil inlet of a transparent bearing bush 15; a liquid flowmeter 6, a pressure sensor 5, a temperature sensor 4, a filter 7 and a cooling system 8 are sequentially arranged on a pipeline between an oil outlet at the bottom of the oil groove and an oil tank 9.
Gas generated by the air compressor 1 enters the mixing pump 3 after passing through the gas flowmeter 2, meanwhile, lubricating oil output by the oil tank 9 enters the mixing pump 3 after passing through the online temperature controller 10, the gas and the lubricating oil are mixed in the mixing pump 3 to form gas-containing oil, then the gas-containing oil is injected into a gap between the transparent bearing bush 15 and the main shaft 16 through an output pipeline, a temperature sensor 4 arranged on the output pipeline measures the oil inlet temperature, a pressure sensor 5 arranged on the output pipeline measures the oil inlet pressure, and a liquid flowmeter 6 arranged on the output pipeline measures the oil inlet flow.
The oil cooling system comprises a liquid flow meter 6, a pressure sensor 5, a temperature sensor 4, a filter 7 and a cooling system 8 which are arranged on a pipeline between an oil outlet at the bottom of the oil groove and an oil tank 9, wherein the liquid flow meter 6 measures the oil flow, the pressure sensor 5 measures the oil pressure, and the temperature sensor 4 measures the oil temperature. The lubricating oil is filtered by a filter 7, enters a cooling system 8 for cooling and then flows back to an oil tank 9.
The working principle and the working process of the performance test experiment table are as follows: the control cabinet 21 controls the motor 11 to be started, the torque and rotation speed sensor 13 and the displacement sensor 19 are started, then the eight oil film pressure sensors and the oil gas loop are started, lubricating oil enters a gap between the transparent bearing bush 15 and the main shaft 16, and the light supplement lamp 22 and the high-speed camera 23 are started; different loading conditions are realized by adding different counterweights, and the main shaft 16 generates different degrees of deviation. The formation of the hydrodynamic lubricating oil film of the radial sliding bearing is observed by a high-speed camera, and the air content of the oil film is measured.
The method comprises the steps of detecting the gas content in lubricating oil of gas-containing oil, and measuring the rotating speed of a main shaft, the torque of the main shaft, axial and radial oil film pressures (obtained through eight oil film pressure sensors), the eccentricity of the main shaft, the flow of an oil inlet and an oil outlet, the temperature of the oil inlet and the oil outlet and the pressure of the oil inlet and the oil outlet. Observing the change rule of oil film pressure when the air content, the rotating speed, the temperature and the main shaft eccentricity of the oil film are changed; measuring radial and axial oil film pressure distribution curves of the bearing in real time through data measured by the oil film pressure sensor, observing the axial pressure distribution condition of the oil film of the radial sliding bearing, and exploring the change rule of the oil film bearing capacity of the sliding bearing by drawing the radial oil film pressure curve of the radial sliding bearing; and measuring the friction torque of the sliding bearing and the temperature of the oil inlet and the oil outlet, and researching the friction loss rule of the sliding bearing.
The performance test experiment table of the invention has the advantages that when the experiment table is used, the main shaft 16 is in a static state, the friction coefficient is measured at the moment, the friction coefficient is complex, a certain calculation formula is not provided, the experiment table uses the torque and rotation speed sensor to measure the torque of the starting main shaft 16, and the friction coefficient of the sliding bearing is deduced according to a certain formula by measuring the shaft diameter of the test section of the main shaft 16 and the diameter of the balance weight.
When the main shaft 16 rotates, the oil-gas loop is connected, and oil containing gas is pumped into a gap between the transparent bearing bush 15 and the main shaft 16. The torque of the main shaft 16 is recorded at each rotational speed, the power of the motor 11 is theoretically equal to the power of the sliding bearing (i.e. the main shaft 16), and the power of the sliding bearing is related to the torque of the sliding bearing, and a friction characteristic curve of the sliding bearing is drawn according to the relation between the torque and the friction coefficient. And observing and recording the numerical value of the oil film pressure sensor in the experimental process, and drawing a sliding bearing oil film pressure distribution curve. According to the parameters measured under the condition of different gas contents in the lubricating oil, the influence of the gas contents in the lubricating oil on the performance of the sliding bearing can be obtained.
The technical solutions mentioned in the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the present invention are all within the scope of the present invention.
Nothing in this specification is said to apply to the prior art.
Claims (4)
1. A performance test experiment table for a sliding bearing in an oil film cavitation state is characterized by comprising a main structure and an oil-gas loop, wherein the main structure comprises a motor, a motor support, a torque and rotating speed sensor, a bearing bush support, a transparent bearing bush, a main shaft, a balance weight, a sliding bearing seat, a displacement sensor, a base, a control cabinet, a light supplement lamp and a high-speed camera; the motor is fixed on one side of the base through the motor support; an output shaft of the motor is connected with one side of the torque and rotation speed sensor through a first coupler, and the other side of the torque and rotation speed sensor is connected with one end of the main shaft through a second coupler; the torque and rotating speed sensor is used for measuring the rotating speed of the main shaft and measuring the torque value of the main shaft when the performance test experiment table is started and stopped; the periphery of the main shaft is sleeved with a transparent bearing bush, and the diameter of the transparent bearing bush is larger than that of the main shaft;
the main shaft and the transparent bearing bush are coaxially arranged, two ends of the transparent bearing bush are fixed on the bearing bush support, and the bottom of the bearing bush support is fixed on the base through a bolt; the other end of the main shaft is loaded with a balance weight, the axis of the balance weight is perforated, and the balance weight and the main shaft are coaxially arranged; the tail end of the main shaft is supported by a sliding bearing seat, the main shaft can rotate on the sliding bearing seat, two displacement sensors are mounted on the end face of the tail end of the main shaft, one of the displacement sensors detects the radial displacement of the main shaft, and the other displacement sensor detects the axial displacement of the main shaft, so that the axis displacement track of the main shaft is monitored, and the eccentricity of the main shaft is measured;
the diameter of the part of the main shaft, which is provided with the transparent bearing bush, is larger than the diameters of other parts, the bearing bush support is composed of supporting separation blades, an oil groove and a supporting table, the two supporting separation blades are arranged at two ends of the oil groove in parallel, the supporting table is arranged below the oil groove and supports the oil groove, and an oil outlet is formed in the bottom of the oil groove; the bottom of the supporting table is fixed on the base; a groove matched with the diameter of the transparent bearing bush is arranged on the side surface of one side of the supporting baffle sheet contacting with the transparent bearing bush, a through hole capable of allowing a main shaft at the part to pass through is arranged on the side surface of one side far away from the transparent bearing bush, the diameter of the main shaft at the part is smaller than that of the part provided with the transparent bearing bush, and the through hole extends downwards and is communicated with the oil groove; an oil inlet is formed in the middle of the top end of the transparent bearing bush, a first oil film pressure sensor and a second oil film pressure sensor are symmetrically arranged on two sides of the oil inlet, a sixth oil film pressure sensor, a seventh oil film pressure sensor and an eighth oil film pressure sensor are respectively arranged on the bottom of the transparent bearing bush opposite to the first oil film pressure sensor, the oil inlet and the second oil film pressure sensor, a third oil film pressure sensor, a fourth oil film pressure sensor and a fifth oil film pressure sensor are arranged at the outermost end of the transparent bearing bush in the horizontal direction, and the positions of the third oil film pressure sensor, the fourth oil film pressure sensor and the fifth oil film pressure sensor after the whole body rotates 90 degrees coincide with the positions of the sixth oil film pressure sensor, the seventh oil film pressure sensor and the eighth oil film pressure sensor; the eight oil film pressure sensors are all positioned in the grooves at corresponding positions on the inner side of the transparent bearing bush, and the probes of the eight oil film pressure sensors are positioned on the curved surface where the inner surface of the transparent bearing bush is positioned;
a light supplement lamp and a high-speed camera are arranged on one side of the position with the same height as the transparent bearing bush, the high-speed camera is used for shooting the number of bubbles in the lubricating oil, and the light supplement lamp provides a light source for the high-speed camera; the control cabinet is connected with the motor;
the oil gas loop comprises an air compressor, an oil tank, an online temperature controller, a gas flowmeter, a mixing pump, a temperature sensor, a pressure sensor, a liquid flowmeter, a filter and a cooling system, wherein the gas flowmeter is arranged on a gas pipeline between the air compressor and the mixing pump, the wired temperature controller is arranged on an oil supply pipeline between the oil tank and the mixing pump, and the temperature sensor, the pressure sensor and the liquid flowmeter are sequentially arranged on an oil inlet pipeline between the mixing pump and an oil inlet of the transparent bearing bush.
2. The experimental bench for testing the performance of the sliding bearing under the oil film cavitation condition as claimed in claim 1, wherein the motor is a high-speed motor and is provided with a frequency converter for stepless speed regulation of the motor.
3. The experimental bench for testing the performance of the sliding bearing under the oil film cavitation condition according to claim 1, wherein the counterweight is of a detachable structure.
4. The experiment table for testing the performance of the sliding bearing in the oil film cavitation state according to claim 1, wherein a liquid flowmeter, a pressure sensor, a temperature sensor, a filter and a cooling system are sequentially arranged on a pipeline between an oil outlet at the bottom of the oil tank and the oil tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911335773.4A CN111060313B (en) | 2019-12-23 | 2019-12-23 | Sliding bearing performance test experiment table under oil film cavitation state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911335773.4A CN111060313B (en) | 2019-12-23 | 2019-12-23 | Sliding bearing performance test experiment table under oil film cavitation state |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111060313A true CN111060313A (en) | 2020-04-24 |
| CN111060313B CN111060313B (en) | 2024-05-28 |
Family
ID=70301685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911335773.4A Active CN111060313B (en) | 2019-12-23 | 2019-12-23 | Sliding bearing performance test experiment table under oil film cavitation state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111060313B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111859769A (en) * | 2020-08-06 | 2020-10-30 | 哈尔滨工业大学 | Method for determining liquid metal cavitation threshold |
| CN113433298A (en) * | 2021-05-28 | 2021-09-24 | 浙江兆丰机电股份有限公司 | Bearing heat flow characteristic test device for drive axle and test method thereof |
| CN113959934A (en) * | 2021-10-22 | 2022-01-21 | 重庆跃进机械厂有限公司 | Bearing bush cavitation resistance testing device and testing method |
| CN114199568A (en) * | 2021-12-15 | 2022-03-18 | 清华大学 | Liquid cavitation observation device for sliding bearing |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1273334A (en) * | 2000-05-16 | 2000-11-15 | 涟源钢铁集团有限公司 | Method for improving running condition of axle in slide bearing |
| JP2005133807A (en) * | 2003-10-30 | 2005-05-26 | Mitsubishi Heavy Ind Ltd | Slide bearing monitoring device |
| JP2012068065A (en) * | 2010-09-22 | 2012-04-05 | Hino Motors Ltd | Oil-film visualization device for main bearing part of internal-combustion engine |
| CN202867583U (en) * | 2012-09-14 | 2013-04-10 | 上海申科滑动轴承有限公司 | Sliding bearing capable of viewing lubrication condition |
| CN105716864A (en) * | 2016-01-13 | 2016-06-29 | 河北科技大学 | Lubrication test measuring device of sliding bearing in lean oil state |
| CN207798688U (en) * | 2017-10-30 | 2018-08-31 | 河北科技大学 | A kind of observation experiment device of gassiness oil film Liquid Lubrication Condition |
| CN108731729A (en) * | 2017-12-28 | 2018-11-02 | 江苏核电有限公司 | A kind of generator sealing bearing bush simulated experiment rack |
| WO2019120870A1 (en) * | 2017-12-20 | 2019-06-27 | Zf Friedrichshafen Ag | Plain bearing arrangement for a heavy shaft, in particular of a wind turbine, and control system and method for supplying same with lubricating oil |
| CN211740615U (en) * | 2019-12-23 | 2020-10-23 | 河北工业大学 | Sliding bearing performance test experiment table under oil film cavitation state |
-
2019
- 2019-12-23 CN CN201911335773.4A patent/CN111060313B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1273334A (en) * | 2000-05-16 | 2000-11-15 | 涟源钢铁集团有限公司 | Method for improving running condition of axle in slide bearing |
| JP2005133807A (en) * | 2003-10-30 | 2005-05-26 | Mitsubishi Heavy Ind Ltd | Slide bearing monitoring device |
| JP2012068065A (en) * | 2010-09-22 | 2012-04-05 | Hino Motors Ltd | Oil-film visualization device for main bearing part of internal-combustion engine |
| CN202867583U (en) * | 2012-09-14 | 2013-04-10 | 上海申科滑动轴承有限公司 | Sliding bearing capable of viewing lubrication condition |
| CN105716864A (en) * | 2016-01-13 | 2016-06-29 | 河北科技大学 | Lubrication test measuring device of sliding bearing in lean oil state |
| CN207798688U (en) * | 2017-10-30 | 2018-08-31 | 河北科技大学 | A kind of observation experiment device of gassiness oil film Liquid Lubrication Condition |
| WO2019120870A1 (en) * | 2017-12-20 | 2019-06-27 | Zf Friedrichshafen Ag | Plain bearing arrangement for a heavy shaft, in particular of a wind turbine, and control system and method for supplying same with lubricating oil |
| CN108731729A (en) * | 2017-12-28 | 2018-11-02 | 江苏核电有限公司 | A kind of generator sealing bearing bush simulated experiment rack |
| CN211740615U (en) * | 2019-12-23 | 2020-10-23 | 河北工业大学 | Sliding bearing performance test experiment table under oil film cavitation state |
Non-Patent Citations (1)
| Title |
|---|
| 王丽丽;路长厚;张建川;丁捷;: "高速螺旋油楔滑动轴承空穴机理的实验研究", 振动与冲击, no. 05, 15 March 2012 (2012-03-15) * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111859769A (en) * | 2020-08-06 | 2020-10-30 | 哈尔滨工业大学 | Method for determining liquid metal cavitation threshold |
| CN113433298A (en) * | 2021-05-28 | 2021-09-24 | 浙江兆丰机电股份有限公司 | Bearing heat flow characteristic test device for drive axle and test method thereof |
| CN113959934A (en) * | 2021-10-22 | 2022-01-21 | 重庆跃进机械厂有限公司 | Bearing bush cavitation resistance testing device and testing method |
| CN113959934B (en) * | 2021-10-22 | 2023-06-16 | 重庆跃进机械厂有限公司 | Bearing bush cavitation resistance test device and test method |
| CN114199568A (en) * | 2021-12-15 | 2022-03-18 | 清华大学 | Liquid cavitation observation device for sliding bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111060313B (en) | 2024-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111060313B (en) | Sliding bearing performance test experiment table under oil film cavitation state | |
| CN110160788B (en) | Rolling bearing slipping research experiment table | |
| CN102607846B (en) | Comprehensive test stand for water-lubricated bearings for pumps | |
| CN211740615U (en) | Sliding bearing performance test experiment table under oil film cavitation state | |
| CN108519235A (en) | Air impeller drive-type birotor testing stand | |
| CN102251991B (en) | Axial force balance device and method for shield pump | |
| CN109406152A (en) | A kind of aero-engine is to turning birotor kinetic characteristics experiment porch | |
| CN206038317U (en) | Engine oil pump test bed | |
| CN108896425B (en) | High-speed heavy-load friction and wear testing device and testing method thereof | |
| CN203672621U (en) | Roller bearing oil gas lubricating apparatus | |
| CN107505108A (en) | Sealing opening ring sound state exciting force action characteristic parameter test device and method | |
| CN107328579A (en) | The experimental rig of radial journal bearing greasy property test is slided in a kind of dynamic pressure | |
| CN110160906A (en) | A kind of reciprocating friction abrasion tester of included lubrication and compound force loading system | |
| CN109342060A (en) | The test device of axial bearing foil | |
| CN107607320B (en) | Laboratory bench device and method for testing whirl characteristics of balance drum rotor | |
| CN1749722A (en) | Measuring test table for turbocharger friction power | |
| CN102749195B (en) | High-speed water bearing performance test device with air seal | |
| CN107489609B (en) | Vertical gap flow dynamic characteristic coefficient testing device | |
| CN112798276A (en) | Two-phase flow test system and method for tilting pad directional lubrication bearing | |
| Wu et al. | Theoretical calculation models and measurement of friction torque for rolling bearings: state of the art | |
| CN206960120U (en) | The experimental rig of radial journal bearing greasy property test is slided in a kind of dynamic pressure | |
| CN209102378U (en) | The test device of axial bearing foil | |
| CN104007251B (en) | Hydraulic oil stability determinator | |
| CN114878163B (en) | Dynamic and static synchronous loading testing device for high-precision dynamic pressure thrust foil bearing | |
| CN208366753U (en) | A kind of high-speed overload friction-wear detecting apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |