CN109030000A - A kind of high speed big load horizontal sliding bearing performance testing stand - Google Patents
A kind of high speed big load horizontal sliding bearing performance testing stand Download PDFInfo
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- CN109030000A CN109030000A CN201811112159.7A CN201811112159A CN109030000A CN 109030000 A CN109030000 A CN 109030000A CN 201811112159 A CN201811112159 A CN 201811112159A CN 109030000 A CN109030000 A CN 109030000A
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- 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
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of high speed big load horizontal sliding bearing performance testing stand, including pedestal, bracket, rotor, load cylinder, it is tested and accompanies examination bearing etc..Rotor accompanies examination bearing support by two radial directions.Subject bearing block is arranged with radial loaded oil cylinder, and bottom is used as the piston rod of oil cylinder.Annular cylinder is connected with subject bearing block, thrust accompanies examination bearing to be located between annular cylinder and subject bearing, the left circle of the thrust bearing is fixedly connected with the rotor, as thrust collar, right circle is the piston rod of annular cylinder, it is static pressure oil film between upper fixed thrust bearing shoe valve, left circle and thrust bearing shoe valve, accompanies examination thrust bearing, annular cylinder and rotor concentrically axis.The beneficial effects of the invention are as follows force-closed in the axially loaded realization of testing stand, rack deformation is small, positions and floats radial through oil cylinder, it is compact-sized, the performance test under high speed and radially, axially compound big load can be carried out to subject bearing, testing stand is with small vibration, low noise, high reliablity.
Description
Technical field
The present invention relates to horizontal sliding bearing performances to test field, more particularly to a kind of high speed high thrust horizontal sliding axis
Hold performance test stand.
Background technique
Sliding bearing runs at high speed due to being able to achieve big load, and the service life is long, high reliablity, therefore in some large scale equipments
In commonly use the class bearing, such as large-scale marine electric machine sliding bearing, Large steam impeller mainshaft bearing, core main pump bearing
Deng with the development of national economy, the demand to the class bearing is more and more extensive.This class bearing has the characteristics that common: load is big,
Revolving speed is high, reliability requirement is high, belongs to high-end sliding bearing.When being researched and developed to the class bearing, it is necessary to carry out the property of full working scope
Can test, must develop the performance test stand of full working scope thus, and the performance test stand of full working scope must satisfy that load is big, turns
It is fast high.
For testing stand when applying big load, each bracket generates corresponding flexible deformation, and especially tilting moment leads to bracket
Deformation, can seriously affect shafting to neutrality, prevent shafting from running at high speed, otherwise can generate very big noise and vibration
It is dynamic.Apply big load high-speed cruising again；Radial load should be applied simultaneously, apply axial load again, and be tested axis
It holds and is to float, to avoid the coupling between different loads and realizing to owe positioning to the reasonable of subject bearing, to testing stand
Loading method and structure propose very high requirement.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of high speed high thrust horizontal sliding bearing performances
Testing stand can avoid tilting moment, can carry big load, can run at high speed, and be suitable for accompanying installation and the Rational Determination of examination bearing
Position.
In order to achieve the above objectives, the technical scheme adopted by the invention is that: a kind of examination of high thrust horizontal sliding bearing performance
Test platform, comprising: axially loaded part, radial loaded part, pedestal, motor, shaft coupling, rotor, subject bearing, radial direction accompany examination axis
It holds, accompany the examination support of bearing and radial loaded cylinder bracket etc..
Further, T-slot is provided on the pedestal, each bracket can slide on pedestal, and two of them accompany examination bearing
Bracket is located at subject bearing two sides.
Further, the axially loaded portion includes the left circle of thrust bearing, fixed thrust bearing shoe valve, the right circle (piston of thrust bearing
Bar), annular cylinder.Annular cylinder is bolted with subject bearing base, and piston rod is placed within annular cylinder, turns
Son passes through the middle vacancy of thrust bearing and annular cylinder, rotor, thrust bearing and annular cylinder concentrically axis.
Further, the radial loaded portion includes hydraulic cylinder, piston rod.Subject bearing block is arranged with radial loaded oil
Cylinder, load cylinder and subject bearing block are connected on pedestal by radial loaded cylinder bracket.The bottom of bearing block is tested in diameter
It is used in loading system as piston rod, piston rod (subject bearing block bottom) is located above hydraulic cylinder, is located at subject bearing
Lower section, load cylinder bracket are fixed on the base after shafting alignment.
Further, the testing stand includes hydraulic system, which is loaded using hydraulic system.The test
Platform also includes control system and data collection system, and the control system is realized main motor by primary transducer and adjusted the speed, to confession
Oil return motor, loading motor and hydraulic component are controlled.Pressure sensor, temperature sensor, flow sensor and turn
Various data during the acquisitions such as fast sensor test, and preservation is collected by industrial personal computer.
Implement a kind of high speed big load horizontal sliding bearing performance testing stand of the invention, the beneficial effect is that: test
Force-closed in the axially loaded realization of platform, rack deformation is small, positions and floats radial through oil cylinder, compact-sized, can be to subject axis
It holds and carries out high speed and the radially, axially performance test under compound big load, testing stand is with small vibration, low noise, high reliablity.
Detailed description of the invention
Attached drawing 1 is high speed big load horizontal sliding bearing performance testing stand cross-sectional view, and appended drawing reference is as follows in figure: 1, electric
Machine, 2, shaft coupling, 3, rotor, 4, it is radial accompany examination bearing, 5, subject bearing, 6, thrust accompany the examination left circle of bearing, 7, thrust accompany examination axis
Hold right circle (piston rod of annular cylinder), 8, annular cylinder, 9, it is radial accompany examination bearing, 10, accompany the examination support of bearing, 11, subject axis
It holds seat (lower end be radial loaded cylinder piston rod), 12, hydraulic cylinder, 13, radial loaded cylinder bracket, 14, accompany the examination support of bearing,
15, electric machine support, 16, pedestal.
Attached drawing 2 is the three-dimensional figure of high speed big load horizontal sliding bearing performance testing stand.
Specific embodiment
The following further describes the present invention with reference to the drawings: referring to Fig. 1, a kind of high speed big load horizontal sliding bearing performance
Testing stand, which is characterized in that the testing stand includes axially loaded part, radial loaded part, pedestal (16), motor (1), shaft coupling
Device (2), rotor (3), subject bearing (5), radial accompany try bearing (4) (9), accompany the examination support of bearing (10) (14), load cylinder branch
Frame (13).
This high speed big load horizontal sliding bearing performance testing stand is passed through shaft coupling (2) by motor (1) output power
It imparts power to rotor (3), rotor (3) accompanies examination bearing (4) (9) support by two, and two accompany examination bearing block to pass through subject axis
Base supporting (10) (14) is connected on pedestal (16), it is described two accompany examination bearing (4) (9) concentrically axis and be located at subject bearing
(5) two sides, it is described that examination bearing (4) (9) and subject bearing (5) is accompanied to be set as concentrically axis.Motor (1) and two accompanies examination bearing block
It is connected on pedestal (16) by bracket.
T-slot is provided on the pedestal (16), the support of bearing (10) (13) (14) is placed on pedestal, bracket (10) (13)
(14) it can be slided on pedestal, two of them accompany the examination support of bearing (10) (14) to be located at load cylinder bracket (13) two sides.
The axially loaded portion includes thrust bearing (6), piston rod (7), annular cylinder (8).Annular cylinder (8) and subject
Bearing base is bolted, and piston rod (7) is placed within annular cylinder, and thrust bearing (6) is located at annular cylinder (8)
Left side, thrust bearing (6) and annular cylinder (8) concentrically axis.
The radial loaded portion includes hydraulic cylinder (12), piston rod (11).Subject bearing block is arranged with radial loaded oil
Cylinder (12), load cylinder (12) and subject bearing block (11) are connected on pedestal (16) by radial loaded cylinder bracket (13).
The bottom for being tested bearing block (11) uses in radial loaded system as piston rod, and piston rod (subject bearing block) (11) is located at
Above hydraulic cylinder (12), below subject bearing (5).
Specific step is as follows for working method of the present invention: motor (1) provides power, drives and passes through shaft coupling and motor (1) phase
Rotor (3) rotation even；High pressure oil is injected to annular cylinder (8), piston rod has fixed thrust bearing shoe valve, thrust bearing shoe valve and axial direction on (7)
The left circle of the thrust bearing (6) of load forms static pressure oil film, and thrust bearing (6) is left to enclose the axial direction for transferring load to rotor (3)
Loading surface, axial load is passed to subject bearing (5) by rotor (3), to realize axially loaded；Intermediate subject bearing block
(11) bottom uses in radial loaded system as piston rod, inner in quick condition in hydraulic cylinder (12), to hydraulic cylinder
(12) when injecting high pressure oil, radial force thrust is directly passed to subject bearing block (11) by hydraulic cylinder (12), is tested bearing block
(11) radial thrust is passed to subject bearing shell again to load, to realize radial loaded.Last radial force passes through subject axis
It watt passes to rotor (3), rotor (3) accompanies examination bearing (4) (9) to be supported by two.
Claims (4)
1. a kind of high speed big load horizontal sliding bearing performance testing stand, which accompanies examination to radially slide axis using two
Hold (4), one accompany examination thrust slide bearing (6), a radial loaded oil cylinder (12) and a thrust collar load cylinder (6) it is right
Subject bearing (5) is supported and loads, it is characterised in that: the radial loaded part, subject bearing block are arranged with radial direction
Load cylinder (12), radial loaded oil cylinder (12) are connected on pedestal (16) by bracket (13), are tested the bottom of bearing block (11)
Portion uses in radial loaded system as piston rod；The axially loaded part, annular cylinder (8) and subject bearing base are logical
It crosses and is bolted, the right circle of thrust bearing is placed within annular cylinder as piston rod (7), and left circle is as thrust collar and rotor (3)
Load face contact；After rotor (3) is by annular cylinder (8) intermediate gap, examination bearing (9) support is accompanied by radial, two is radial
Examination bearing (4,9) is accompanied to be arranged on the two sides of subject bearing (5).
2. radial loaded part according to claim 1, it is characterised in that: rotor (3) accompanies examination bearing (4,9) to prop up by two
Support, the bottom of intermediate subject bearing block (11) uses in radial loaded system as piston rod, at hydraulic cylinder (12) inner
In quick condition, when testing stand needs radial loaded, radial thrust is directly passed to subject bearing block by hydraulic cylinder (12)
(11), radial force is passed to subject bearing shell again and loaded by subject bearing block (11), is tested bearing block bottom as piston rod
Use, can not only realize the load slided up and down, but also can prevent subject bearing rotation, both ensure that subject bearing is radially adding in this way
The freedom degree in direction is carried, and plays the positioning action to other directions.
3. axially loaded part according to claim 1, it is characterised in that: when annular cylinder (8) inject high pressure oil, push away
Thrust is passed to fixed thrust bearing shoe valve by the right circle (7) of power bearing, and thrust bearing shoe valve transmits the force to the left circle thrust collar of thrust bearing, then transmits
To the axial thrust face of rotor (3), bearing is loaded, axial load is passed to the spherical shape of subject bearing (5) by rotor (3)
Watt end face, spherical tile transfer load to subject bearing block, and are tested bearing block and annular cylinder (8) have been bolted
Come, and then form internal cyclic force system, axial load will not be transmitted on bearing bracket, axially loaded power is coaxial with rotor
Line, entire force structure is not by tilting moment, the deformation of bracket Tensile, thus guarantee rotor (3) can high-speed smooth operation, examination
It is with small vibration to test platform.
4. radial and axial loading section according to claim 1, rotor (3) is axially added by the gap of annular cylinder
It carries part to be attached on subject bearing block, so that axially loaded power and radial loaded power will not couple, guarantee
Radial loaded power and axially loaded power will not influence each other in load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811112159.7A CN109030000B (en) | 2018-09-25 | 2018-09-25 | High-speed large-load horizontal sliding bearing performance test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811112159.7A CN109030000B (en) | 2018-09-25 | 2018-09-25 | High-speed large-load horizontal sliding bearing performance test bed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109030000A true CN109030000A (en) | 2018-12-18 |
| CN109030000B CN109030000B (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811112159.7A Active CN109030000B (en) | 2018-09-25 | 2018-09-25 | High-speed large-load horizontal sliding bearing performance test bed |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243685A (en) * | 2019-07-25 | 2019-09-17 | 洛阳理工学院 | One kind being bolted intensity comprehensive analysis experimental system |
| CN112595513A (en) * | 2020-12-28 | 2021-04-02 | 湖南崇德科技股份有限公司 | Integrated bearing test bench |
| CN114486249A (en) * | 2022-01-25 | 2022-05-13 | 中国铁建重工集团股份有限公司 | Load loading device and method for slewing bearing performance test bench |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784355A (en) * | 2016-04-22 | 2016-07-20 | 浙江科技学院 | Mechanical transmission closed test bed and test method thereof |
| CN106124214A (en) * | 2016-09-07 | 2016-11-16 | 大连理工大学 | A kind of testing stand of bearings synthesis charger |
| CN107525675A (en) * | 2017-08-07 | 2017-12-29 | 湖南崇德工业科技有限公司 | Horizontal sliding bearing hydraulic system |
| CN108412963A (en) * | 2018-05-15 | 2018-08-17 | 湘潭大学 | A kind of big torque actuated and high thrust load integrated device |
-
2018
- 2018-09-25 CN CN201811112159.7A patent/CN109030000B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784355A (en) * | 2016-04-22 | 2016-07-20 | 浙江科技学院 | Mechanical transmission closed test bed and test method thereof |
| CN106124214A (en) * | 2016-09-07 | 2016-11-16 | 大连理工大学 | A kind of testing stand of bearings synthesis charger |
| CN107525675A (en) * | 2017-08-07 | 2017-12-29 | 湖南崇德工业科技有限公司 | Horizontal sliding bearing hydraulic system |
| CN108412963A (en) * | 2018-05-15 | 2018-08-17 | 湘潭大学 | A kind of big torque actuated and high thrust load integrated device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243685A (en) * | 2019-07-25 | 2019-09-17 | 洛阳理工学院 | One kind being bolted intensity comprehensive analysis experimental system |
| CN112595513A (en) * | 2020-12-28 | 2021-04-02 | 湖南崇德科技股份有限公司 | Integrated bearing test bench |
| CN114486249A (en) * | 2022-01-25 | 2022-05-13 | 中国铁建重工集团股份有限公司 | Load loading device and method for slewing bearing performance test bench |
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| Publication number | Publication date |
|---|---|
| CN109030000B (en) | 2020-05-05 |
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