CN109141880B - Sliding thrust bearing performance test bench body - Google Patents
Sliding thrust bearing performance test bench body Download PDFInfo
- Publication number
- CN109141880B CN109141880B CN201811330987.8A CN201811330987A CN109141880B CN 109141880 B CN109141880 B CN 109141880B CN 201811330987 A CN201811330987 A CN 201811330987A CN 109141880 B CN109141880 B CN 109141880B
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- thrust
- thrust bearing
- sliding
- main shaft
- disc
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- 238000011056 performance test Methods 0.000 title claims abstract description 8
- 238000012360 testing method Methods 0.000 claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
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
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The invention relates to the technical field of bearing performance test, in particular to a sliding thrust bearing performance test bed body which can obtain real and reliable test data; the machine body is internally provided with a main shaft penetrating through the front end of the machine body, the main shaft is provided with a first sliding thrust bearing and a second sliding thrust bearing, the rear end of the machine body is provided with a hydraulic cylinder, and the machine body is characterized in that two independent front cavities and rear cavities are arranged in the machine body, the first sliding thrust bearing and the second sliding thrust bearing are respectively arranged in the rear cavities and the front cavities, the joint of the front cavities and the rear cavities is provided with a first radial bearing and a second radial bearing seat matched with the main shaft, and the joint of the main shaft and the front cavities is provided with a first radial bearing and a first radial bearing seat matched with the main shaft.
Description
Technical Field
The invention relates to the technical field of bearing performance test, in particular to a sliding thrust bearing performance test bed body.
Background
In many rotating machinery industries, sliding bearings are often subjected to complex alternating loads, the performance of which can greatly affect the operation of the overall mechanism. In order to understand the operation reliability of the tilting pad sliding thrust bearing in the screw compressor, the operation rule and performance of the tilting pad sliding thrust bearing are researched by collecting related parameters, and as the sliding bearings are arranged at the two ends of the main shaft, two sliding bearings need to be monitored simultaneously, the traditional test bed is easy to interfere with each other in the monitoring process, and real and reliable test data are difficult to obtain.
Disclosure of Invention
In order to solve the problem that test data monitored by the existing sliding bearing are inaccurate, the invention provides a sliding thrust bearing performance test bed body, which can obtain real and reliable test data.
The technical scheme is as follows: the test bed body for testing the performance of the sliding thrust bearing comprises a machine body, wherein a main shaft penetrating through the front end of the machine body is arranged in the machine body, a first sliding thrust bearing and a second sliding thrust bearing are arranged on the main shaft, a hydraulic cylinder is arranged at the rear end of the machine body, the test bed is characterized in that two independent front cavities and a rear cavity are arranged in the machine body, the first sliding thrust bearing and the second sliding thrust bearing are respectively arranged in the rear cavity and the front cavity, a first radial bearing and a first radial bearing seat which are matched with the main shaft are arranged at the joint of the front cavity and the rear cavity, a second radial bearing and a second radial bearing seat which are matched with the main shaft are arranged at the joint of the main shaft and the front cavity, a first thrust bearing seat is arranged in the rear cavity, one end of the first thrust bearing seat is connected with a piston rod of the hydraulic cylinder, the other end face of the other side of the first sliding thrust bearing is abutted against the first thrust bearing arranged in the first front cavity of the main shaft, the second thrust bearing seat is arranged in the second thrust disc is abutted against the first thrust bearing seat, the first thrust disc is arranged on the other side of the first thrust disc is abutted against the second thrust disc, the first thrust disc is connected with the other side of the first thrust disc is abutted against the first thrust disc is connected with the second thrust disc, the first thrust disc is abutted against the other side of the first thrust disc is respectively arranged on the other side of the first thrust disc, the first thrust disc is abutted against the first thrust disc is matched with the first thrust disc, and the first thrust disc is matched with the first thrust disc, and the first thrust disc is arranged on the thrust disc and has, an axial displacement sensor is arranged beside the first thrust disc or the second thrust disc, and temperature sensors are arranged on the bearing bushes of the first sliding thrust bearing and the second sliding thrust bearing.
The piston is further characterized in that the piston is a spherical piston, and the connecting surface of the piston and the first thrust bearing seat is in spherical contact;
the end part of a piston rod of the hydraulic cylinder is connected with the first thrust bearing seat through a transmission block;
and an oil spraying ring and a labyrinth ring are arranged between the first radial bearing seat and the main shaft and between the second radial bearing seat and the main shaft.
After the structure of the invention is adopted, the first sliding thrust bearing and the second sliding thrust bearing are respectively arranged in the independent rear cavity and the independent front cavity, and oil supply is realized by adopting a single-way oil way, so that the independent monitoring of the lubricating oil quantity of the two sliding thrust bearings is facilitated, the mutual interference can not be generated, the hydraulic cylinder pushes the first sliding thrust bearing to drive the main shaft and the second sliding thrust bearing to displace together, the axial displacement can be conveniently monitored through the axial displacement sensor, and the temperature sensor monitors the temperature of the bearing bush.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Detailed Description
Referring to fig. 1, a test stand body for testing the performance of a sliding thrust bearing comprises a machine body 1, a main shaft 2 penetrating through the front end of the machine body 1 is arranged in the machine body 1, a first sliding thrust bearing 3 and a second sliding thrust bearing 4 are arranged on the main shaft 2, a hydraulic cylinder 5 is arranged at the rear end of the machine body 1, two independent front cavities 6 and rear cavities 7 are arranged in the machine body 1, the first sliding thrust bearing 3 and the second sliding thrust bearing 4 are respectively arranged in the rear cavities 7 and the front cavities 6, a first radial bearing 8 and a first radial bearing seat 9 matched with the main shaft 2 are arranged at the joint of the front cavities 6 and the rear cavities 7, a second radial bearing 10 and a second radial bearing seat 11 matched with the main shaft 2 are arranged at the joint of the main shaft 2 and the front cavities 6, a first thrust bearing seat 12 is arranged in the rear cavities 7, one end of the first thrust bearing seat 12 is connected with a transmission block 25 on a piston rod of the hydraulic cylinder 5, the other end is connected with one side end face of the first sliding thrust bearing 3 through a spherical piston 13, the connecting face of the piston 13 and the first thrust bearing seat 12 is in spherical contact, neutrality can be improved, and relative rotation between the first thrust bearing seat 12 and the piston 13 is effectively prevented through fixed connection of an anti-rotation pin 14, the other side end face of the first sliding thrust bearing 3 is abutted against a first thrust disc 15 arranged on the main shaft 2, a second thrust bearing seat 16 is arranged in the front cavity 6, one side, close to the first radial bearing seat 9, of the second thrust bearing seat 16 is connected with one side end face connected with the second sliding thrust bearing 4, the other side end face of the second sliding thrust bearing 4 is abutted against a second thrust disc 17 arranged on the main shaft 2, a first oil injection port 18 communicated with the first sliding thrust bearing 3 is arranged on the first thrust bearing seat 12, the outer wall of the front cavity 6 is provided with a second oil filling port 19 communicated with the second sliding thrust bearing 4, the first radial bearing 8 and the second radial bearing 10, oil return ports 20 independent of each other are respectively arranged below the front cavity 6 and the rear cavity 7, an axial displacement sensor 21 is arranged beside the second thrust disc 17, and temperature sensors are arranged on bearing bushes of the first sliding thrust bearing 3 and the second sliding thrust bearing 4 and are of a built-in structure. In order to achieve better tightness, an oil spraying ring 22 and a labyrinth ring 23 are arranged between the first radial bearing seat 9 and the main shaft 2 and between the second radial bearing seat 11 and the main shaft 2. In the figure, 24 is an oil path.
After the first oil filling port 18 and the second oil filling port 19 are filled with oil, the axial load loaded by the hydraulic cylinder 5 is transferred to the first sliding thrust bearing 3 through the transfer block 25, the first thrust bearing seat 12 and the piston 13, then transferred to the second sliding thrust bearing 4 through the main shaft 2, the first thrust disc 15 and the second thrust disc 17, and finally transferred to the machine body 1 through the second thrust bearing seat 16. The axial displacement sensor 21 monitors the axial displacement and the temperature sensor monitors the temperature of the bearing shell.
The test bed adopts a structure that the first sliding thrust bearing 3 and the second sliding thrust bearing 4 are independently arranged, so that interference can not be generated, various working conditions of variable rotation speed and variable load can be simulated, and the change of oil temperature can be simulated, so that test data is more real and reliable.
Claims (4)
1. The test bed body for testing the performance of the sliding thrust bearing comprises a machine body, wherein a main shaft penetrating through the front end of the machine body is arranged in the machine body, a first sliding thrust bearing and a second sliding thrust bearing are arranged on the main shaft, a hydraulic cylinder is arranged at the rear end of the machine body, the test bed is characterized in that two independent front cavities and a rear cavity are arranged in the machine body, the first sliding thrust bearing and the second sliding thrust bearing are respectively arranged in the rear cavity and the front cavity, a first radial bearing and a first radial bearing seat which are matched with the main shaft are arranged at the joint of the front cavity and the rear cavity, a second radial bearing and a second radial bearing seat which are matched with the main shaft are arranged at the joint of the main shaft and the front cavity, a first thrust bearing seat is arranged in the rear cavity, one end of the first thrust bearing seat is connected with a piston rod of the hydraulic cylinder, the other end face of the other side of the first sliding thrust bearing is abutted against the first thrust bearing arranged in the first front cavity of the main shaft, the second thrust bearing seat is arranged in the second thrust disc is abutted against the first thrust bearing seat, the first thrust disc is arranged on the other side of the first thrust disc is abutted against the second thrust disc, the first thrust disc is connected with the other side of the first thrust disc is abutted against the first thrust disc is connected with the second thrust disc, the first thrust disc is abutted against the other side of the first thrust disc is respectively arranged on the other side of the first thrust disc, the first thrust disc is abutted against the first thrust disc is matched with the first thrust disc, and the first thrust disc is matched with the first thrust disc, and the first thrust disc is arranged on the thrust disc and has, an axial displacement sensor is arranged beside the first thrust disc or the second thrust disc, and temperature sensors are arranged on the bearing bushes of the first sliding thrust bearing and the second sliding thrust bearing.
2. The sliding thrust bearing performance testing stand body of claim 1, wherein the piston is a spherical piston, and the connecting surface of the piston and the first thrust bearing seat is in spherical contact.
3. The sliding thrust bearing performance testing stand body of claim 1, wherein the piston rod end of the hydraulic cylinder is connected to the first thrust bearing seat by a transfer block.
4. The sliding thrust bearing performance test bench body according to claim 1, wherein an oil spraying ring and a labyrinth ring are installed between the first radial bearing seat and the main shaft, and between the second radial bearing seat and the main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811330987.8A CN109141880B (en) | 2018-11-09 | 2018-11-09 | Sliding thrust bearing performance test bench body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811330987.8A CN109141880B (en) | 2018-11-09 | 2018-11-09 | Sliding thrust bearing performance test bench body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109141880A CN109141880A (en) | 2019-01-04 |
| CN109141880B true CN109141880B (en) | 2024-02-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811330987.8A Active CN109141880B (en) | 2018-11-09 | 2018-11-09 | Sliding thrust bearing performance test bench body |
Country Status (1)
| Country | Link |
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| CN (1) | CN109141880B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132553B (en) * | 2019-03-25 | 2020-12-29 | 沈阳透平机械股份有限公司 | Method and device for determining support rigidity of tilting pad bearing bush and computer equipment |
| CN110426207B (en) * | 2019-08-23 | 2020-12-08 | 温州大学 | Comprehensive performance test bench for sliding bearing and thrust bearing |
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|---|---|---|---|---|
| JPH0792056A (en) * | 1993-09-24 | 1995-04-07 | Calsonic Corp | Life test device for thrust bearing |
| JP2011169418A (en) * | 2010-02-19 | 2011-09-01 | Mitsubishi Heavy Ind Ltd | Thrust bearing, rotary machine, and thrust load measuring method |
| CN102840984A (en) * | 2012-09-21 | 2012-12-26 | 哈尔滨电机厂有限责任公司 | Double-steering bi-directional-loading thrust bearing test device |
| CN103884504A (en) * | 2014-03-10 | 2014-06-25 | 西安交通大学 | Axial force bearing test structure of elastic foil dynamic pressure gas thrust bearings |
| CN104880316A (en) * | 2015-05-27 | 2015-09-02 | 西安交通大学 | Rolling bearing dynamic performance testing machine adopting dislocation tile sliding bearing to support |
| KR20160063032A (en) * | 2014-11-26 | 2016-06-03 | 현대위아 주식회사 | Measuring apparatus for thrust bearing of turbocharger |
| CN105738108A (en) * | 2016-02-01 | 2016-07-06 | 清华大学 | Combined loading thrust bearing test stand |
| CN205670083U (en) * | 2016-06-20 | 2016-11-02 | 中航工业哈尔滨轴承有限公司 | A kind of rolling bearing exerciser extension thrust bearing tester |
| CN107462419A (en) * | 2017-08-16 | 2017-12-12 | 无锡锡压压缩机有限公司 | A kind of property test platform for water-lubricated dynamic thrust-journal plain bearing |
| CN206960120U (en) * | 2017-08-11 | 2018-02-02 | 中国船舶重工集团公司第七0三研究所 | The experimental rig of radial journal bearing greasy property test is slided in a kind of dynamic pressure |
| CN207516029U (en) * | 2017-08-16 | 2018-06-19 | 无锡锡压压缩机有限公司 | For the property test platform of water-lubricated dynamic thrust-journal plain bearing |
| CN209085930U (en) * | 2018-11-09 | 2019-07-09 | 无锡压缩机股份有限公司 | Slide thrust bearing property test platform ontology |
-
2018
- 2018-11-09 CN CN201811330987.8A patent/CN109141880B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0792056A (en) * | 1993-09-24 | 1995-04-07 | Calsonic Corp | Life test device for thrust bearing |
| JP2011169418A (en) * | 2010-02-19 | 2011-09-01 | Mitsubishi Heavy Ind Ltd | Thrust bearing, rotary machine, and thrust load measuring method |
| CN102840984A (en) * | 2012-09-21 | 2012-12-26 | 哈尔滨电机厂有限责任公司 | Double-steering bi-directional-loading thrust bearing test device |
| CN103884504A (en) * | 2014-03-10 | 2014-06-25 | 西安交通大学 | Axial force bearing test structure of elastic foil dynamic pressure gas thrust bearings |
| KR20160063032A (en) * | 2014-11-26 | 2016-06-03 | 현대위아 주식회사 | Measuring apparatus for thrust bearing of turbocharger |
| CN104880316A (en) * | 2015-05-27 | 2015-09-02 | 西安交通大学 | Rolling bearing dynamic performance testing machine adopting dislocation tile sliding bearing to support |
| CN105738108A (en) * | 2016-02-01 | 2016-07-06 | 清华大学 | Combined loading thrust bearing test stand |
| CN205670083U (en) * | 2016-06-20 | 2016-11-02 | 中航工业哈尔滨轴承有限公司 | A kind of rolling bearing exerciser extension thrust bearing tester |
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| CN107462419A (en) * | 2017-08-16 | 2017-12-12 | 无锡锡压压缩机有限公司 | A kind of property test platform for water-lubricated dynamic thrust-journal plain bearing |
| CN207516029U (en) * | 2017-08-16 | 2018-06-19 | 无锡锡压压缩机有限公司 | For the property test platform of water-lubricated dynamic thrust-journal plain bearing |
| CN209085930U (en) * | 2018-11-09 | 2019-07-09 | 无锡压缩机股份有限公司 | Slide thrust bearing property test platform ontology |
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| 推力轴承试验研究技术发展综述;王维民, 刘宾宾, 张娅;风机技术;第57卷(第02期);71-78 * |
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| CN109141880A (en) | 2019-01-04 |
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Address after: 214145 No. 199, xixie Road, Hongshan street, Xinwu District, Wuxi City, Jiangsu Province Applicant after: Shengang Wuxi Compressor Co.,Ltd. Address before: 214145 Hong Shan Photoelectric Industrial Park, Xin Wu District, Wuxi, Jiangsu (No. 199, tin Xie Road) Applicant before: WUXI COMPRESSOR Co.,Ltd. |
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