CN207866516U - A kind of bearing test device loading alternating load - Google Patents

A kind of bearing test device loading alternating load Download PDF

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Publication number
CN207866516U
CN207866516U CN201721875582.3U CN201721875582U CN207866516U CN 207866516 U CN207866516 U CN 207866516U CN 201721875582 U CN201721875582 U CN 201721875582U CN 207866516 U CN207866516 U CN 207866516U
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CN
China
Prior art keywords
bearing
load
alternating load
test device
bearing test
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Expired - Fee Related
Application number
CN201721875582.3U
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Chinese (zh)
Inventor
张迪
刘立华
陈志澜
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Shanghai Jian Qiao University
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Shanghai Jian Qiao University
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Priority to CN201721875582.3U priority Critical patent/CN207866516U/en
Application granted granted Critical
Publication of CN207866516U publication Critical patent/CN207866516U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model is related to a kind of bearing test devices loading alternating load, including computer, electric rotating machine, rotary shaft, alternating load load-on module, accompany examination component, electric rotating machine is controlled through computer, the output shaft of electric rotating machine is through shaft coupling and rotation axis connection, tested sliding bearing is arranged in rotary shaft, examination component is accompanied in the left and right sides setting of the sliding bearing, alternating load load-on module is arranged on floating holder, it is made of two groups of components symmetrical above and below, which includes linear motor, spring, attachment device.Compared with prior art, the utility model helps to carry out engine dynamic load bearing test.

Description

A kind of bearing test device loading alternating load
Technical field
The utility model is related to one kind can load testing machine, the bearing for loading alternating load more particularly, to a kind of tries Experiment device.
Background technology
Internal combustion engine is widely used in automobile, ship, aircraft, tank, railway locomotive, agricultural machinery, engineering machinery, power generation Multiple industries such as unit, play a very important role as power-equipment in national economy.Include work in internal combustion engine Plug-cylinder sleeve, piston ring-cylinder liner, bent axle-bearing and cam-tappet etc. are several to important friction pair, wherein crankshaft bearing, including Base bearing and the connecting-rod bearing (since the size and Orientation of such bearing working load all changes over time, are thus generically referred to as moving Load bearings), it is the most key one of the friction pair of internal combustion engine, it not only influences the reliability of internal combustion engine and durable Property, also affect the potentiality that internal combustion engine is further strengthened.
The performance and its reliability of bearing are the most important performance indicators of bearing, but due to influencing bearing performance factor too More, it is a kind of effective way to carry out bearing test.Bearing test is essential and basic important in design bearing and manufacturing process Verification process.The important parameter that the load load of test bearing is tested as bearing tester, accuracy directly affect bearing Test result.Bearing test device loading characteristic traditional at present is single, can not achieve the load of changeable load, and true interior Dynamic load bearing is often in alternating load in combustion engine, therefore traditional bearing test device is difficult the examination for carrying out engine dynamic load bearing It tests.
Utility model content
The purpose of this utility model is exactly to overcome the problems of the above-mentioned prior art and friendship can be loaded by providing one kind The bearing test device of varying load.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of bearing test device loading alternating load, including computer, electric rotating machine, rotary shaft, alternating load Load-on module accompanies examination component,
The electric rotating machine is controlled through computer, and the output shaft of electric rotating machine through shaft coupling and rotates axis connection,
Tested sliding bearing is arranged in the rotary shaft, the left and right sides setting of the sliding bearing is described to accompany Component is tried, the sliding bearing is arranged with floating holder,
The alternating load load-on module is arranged on floating holder, is made of two groups of components symmetrical above and below, the group Part includes linear motor, spring, attachment device, and the output shaft of the linear motor is connect with spring, the other end of spring with Attachment device connects, which connect with floating holder.
Protection sleeve is also arranged on the output shaft of the linear motor.
The bottom of the output shaft of the linear motor is additionally provided with connector, is connect with spring by the connector.
The upper surface of the connector opens up fluted, and the output shaft of linear motor is fastened in groove, connector Lower surface is equipped with hook, is connect with spring.
The sliding bearing is equipped with temperature sensor.
Described to accompany that examination component includes stationary fixture and what is be arranged in stationary fixture accompany examination bearing, described accompanies examination bearing It is arranged on the rotary shaft, the stationary fixture is arranged in the left and right sides of floating holder.
The torquemeter through computer drive control is also arranged in the rotary shaft.
The alternating load load-on module is connected with computer control.
The alternating load load-on module is connected with the oil supply system through computer drive control.
Computer controls the rotation of electric rotating machine, and sliding bearing may be implemented with given rotation speed operation.In alternating load In load-on module, the change of linear motor displacement is controlled by computer, and the change of linear motor displacement can be with shadow Ring the stretching/compressing amount of spring.Due to the change of the stretching/compressing amount of spring, spring can apply on floating holder surface Of different sizes, direction-agile active force.It can be with by adding multiple linear motor-spring units in floating holder different zones Realize the load of bearing alternating load.Computer controls the oil mass in sliding bearing operation process by fueller and supplies.It turns round Square instrument and temperature sensor can be used for detecting the performance in sliding bearing operation process.
Compared with prior art, the utility model has the following advantages:
1, the displacement of linear motor is controlled by computer, and then changes compression/amount of tension of spring, controls spring The load of bearing alternating load may be implemented in elastic force.
2, in conjunction with the real working condition condition of internal combustion engine, the variation of the displacement and time of linear motor is controlled by computer Amount, may be implemented the load of internal combustion engine real working condition load.Contribute to carry out the examination of engine dynamic load bearing using the experimental rig It tests.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the alternating load load-on module schematic diagram of the utility model.
In figure:1 is computer, and 2 be electric rotating machine, and 3 be shaft coupling, and 4 be torquemeter, and 5 be stationary fixture A, and 6 fill for fuel feeding It sets, 7 be alternating load load-on module, and 8 be floating holder, and 9 be stationary fixture B, and 10 be rotary shaft, and 11 is accompany examination sliding bearing B, 12 be subject sliding bearing B, and 13 be subject sliding bearing A, and 14 is accompany examination sliding bearing A, and 15 be workbench, and 16 pass for temperature Sensor, 17 be linear motor A, and 18 be attachment device Aa, and 19 be spring A, and 20 be attachment device Ab, and 21 be attachment device Bb, 22 It is attachment device Ba for spring B, 23,24 be linear motor B.
Specific implementation mode
The utility model is described in detail with reference to specific embodiment.Following embodiment will be helpful to this field Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that ability For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made. These belong to the scope of protection of the utility model.
Embodiment 1
A kind of bearing test device loading alternating load, as shown in Figure 1, the device includes computer 1, electric rotating machine 2, shaft coupling 3, torquemeter 4, stationary fixture A5, oil supply system 6, alternating load load-on module 7, floating holder 8, stationary fixture B 9, rotary shaft 10 accompanies examination sliding bearing B 11, subject sliding bearing B 12 to be tested sliding bearing A13, accompanies examination sliding bearing A14, Workbench 15.Wherein, as shown in Fig. 2, alternating load load-on module 7 includes temperature sensor 16, linear motor A17, connection Device Aa 18, spring A 19, attachment device Ab 20, attachment device Bb 21, spring B 22, attachment device Ba 23, straight-line electric Machine B 24.
Wherein, electric rotating machine 2, torquemeter 4, stationary fixture A 5 and stationary fixture B 9 are mounted on workbench 15.Rotation Motor 2 is connected by shaft coupling 3 with rotary shaft 10, and rotary shaft 10 is made to rotate.It accompanies examination sliding bearing A 14 to be mounted on to fix Inside fixture A 5, examination sliding bearing B 11 is accompanied to be mounted on inside stationary fixture B 9.And it is tested sliding bearing A 13 and is slided with subject Dynamic bearing B 14 is mounted on inside floating holder 8.It accompanies examination sliding bearing A14 and examination sliding bearing B 11 is accompanied to play support rotary shaft 10 effect.
In alternating load load-on module 7, there are two the components of setting symmetrical above and below for installation.The output of linear motor A 17 Axis controls spring A 19 by attachment device Aa 18 and occurs stretching/compressing deformation, spring A 19 by attachment device Ab 20 with Floating holder 8 is connected, and applies bearing loading force.Similar, the output shaft of linear motor B 24 is controlled by attachment device Ba 23 Stretching/compressing deformation occurs for spring B 22, and spring B 22 is connected by attachment device Bb 21 with floating holder 8, applies bearing and adds Carry power.The upper surface of attachment device Aa 18 and attachment device Ba 23 open up fluted, and the output shaft of linear motor is fastened on In groove, lower surface is equipped with hook, is connect with spring A 19 and spring B 22.
Computer 1 is connected with electric rotating machine 2, fueller 6, linear motor A 17 and linear motor B 24.Computer 1 It controls electric rotating machine 2 to rotate, realizes sliding bearing with given rotation speed operation.Meanwhile computer 1 controls fueller 6 and realizes The fuel feeding of sliding bearing.The operation of linear motor A 17 and linear motor B 24 is also controlled by computer.In addition, torquemeter 4 Also it is connected with computer 1 with temperature sensor 16, the signal in sliding bearing operation process can be acquired, monitor sliding bearing Operational situation.
Embodiment 2
A kind of bearing test device loading alternating load, structure is roughly the same with embodiment 1, and difference exists In being also arranged with protection sleeve on the output shaft of the present embodiment cathetus motor.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office It is limited to above-mentioned particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, This has no effect on the substantive content of the utility model.

Claims (9)

1. a kind of bearing test device loading alternating load, which is characterized in that the device include computer, electric rotating machine, Rotary shaft, accompanies examination component at alternating load load-on module,
The electric rotating machine is controlled through computer, and the output shaft of electric rotating machine through shaft coupling and rotates axis connection,
It is arranged with tested sliding bearing in the rotary shaft, examination group is accompanied described in the left and right sides setting of the sliding bearing Part, the sliding bearing are arranged with floating holder,
The alternating load load-on module is arranged on floating holder, is made of two groups of components symmetrical above and below, the component packet Linear motor, spring, attachment device are included, the output shaft of the linear motor is connect with spring, the other end of spring and connection Device connects, which connect with floating holder.
2. a kind of bearing test device loading alternating load according to claim 1, which is characterized in that described is straight Protection sleeve is also arranged on the output shaft of line motor.
3. a kind of bearing test device loading alternating load according to claim 1 or 2, which is characterized in that described The bottom of output shaft of linear motor be additionally provided with connector, connect with spring by the connector.
4. a kind of bearing test device loading alternating load according to claim 3, which is characterized in that the company The upper surface of fitting opens up fluted, and the output shaft of linear motor is fastened in groove, and the lower surface of connector is equipped with hook, with Spring connects.
5. a kind of bearing test device loading alternating load according to claim 1, which is characterized in that the cunning Dynamic bearing is equipped with temperature sensor.
6. a kind of bearing test device loading alternating load according to claim 1, which is characterized in that described accompanies Examination component includes stationary fixture and what is be arranged in stationary fixture accompany examination bearing, and described accompanies examination bearing to be set in rotary shaft, The stationary fixture is arranged in the left and right sides of floating holder.
7. a kind of bearing test device loading alternating load according to claim 1, which is characterized in that the rotation The torquemeter through computer drive control is also arranged in shaft.
8. a kind of bearing test device loading alternating load according to claim 1, which is characterized in that the friendship Varying load load-on module is connected with computer control.
9. a kind of bearing test device loading alternating load according to claim 1, which is characterized in that the friendship Varying load load-on module is connected with the oil supply system through computer drive control.
CN201721875582.3U 2017-12-28 2017-12-28 A kind of bearing test device loading alternating load Expired - Fee Related CN207866516U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721875582.3U CN207866516U (en) 2017-12-28 2017-12-28 A kind of bearing test device loading alternating load

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721875582.3U CN207866516U (en) 2017-12-28 2017-12-28 A kind of bearing test device loading alternating load

Publications (1)

Publication Number Publication Date
CN207866516U true CN207866516U (en) 2018-09-14

Family

ID=63463286

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721875582.3U Expired - Fee Related CN207866516U (en) 2017-12-28 2017-12-28 A kind of bearing test device loading alternating load

Country Status (1)

Country Link
CN (1) CN207866516U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180914

Termination date: 20201228

CF01 Termination of patent right due to non-payment of annual fee