CN207866505U - A kind of bearing tester type alternating load loading device based on toggle - Google Patents

A kind of bearing tester type alternating load loading device based on toggle Download PDF

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Publication number
CN207866505U
CN207866505U CN201721874630.7U CN201721874630U CN207866505U CN 207866505 U CN207866505 U CN 207866505U CN 201721874630 U CN201721874630 U CN 201721874630U CN 207866505 U CN207866505 U CN 207866505U
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CN
China
Prior art keywords
toggle
bearing
spring
electric rotating
rotating machine
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Expired - Fee Related
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CN201721874630.7U
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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 CN201721874630.7U priority Critical patent/CN207866505U/en
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Publication of CN207866505U publication Critical patent/CN207866505U/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 tester type alternating load loading device based on toggle, the bearing tester includes rotary shaft (1), bearing (2) is tested to be mounted in the rotary shaft (1), it is characterized in that, the loading device includes fixture (3), and the multiple electric rotating machine toggle spring assemblies being arranged around fixture (3), each electric rotating machine toggle spring assembly includes being sequentially connected electric rotating machine, toggle and spring, wherein toggle includes flywheel (51), connecting rod (52) and link block (53), electric rotating machine drives crank and connecting rod movement, it controls spring and stretching or compressive deformation occurs, alternating load is applied to the subject bearing (2) in fixture (3).Compared with prior art, the utility model has many advantages, such as that internal combustion engine real working condition load may be implemented.

Description

A kind of bearing tester type alternating load loading device based on toggle
Technical field
The utility model is related to a kind of bearing tester load devices, and toggle is based on more particularly, to one kind Bearing tester type alternating load loading 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 is difficult to realize engine dynamic load axis with loading device The alternating load load held.
Invention content
The purpose of this utility model is exactly to provide one kind in order to overcome the problems of the above-mentioned prior art and may be implemented The bearing tester type alternating load loading device based on toggle of the load of internal combustion engine real working condition load.
The purpose of this utility model can be achieved through the following technical solutions:A kind of bearing based on toggle Testing machine type alternating load loading device, the bearing tester include rotary shaft, and subject bearing is mounted on the rotary shaft On, which is characterized in that the loading device includes fixture, and the multiple electric rotating machines-crank connecting link machine being arranged around fixture Structure-spring assembly, each electric rotating machine-toggle-spring assembly include being sequentially connected electric rotating machine, toggle And spring, wherein toggle includes flywheel, connecting rod and link block, and the connecting rod connect with flywheel and connects electric rotating Machine, the link block are separately connected connecting rod and spring, and electric rotating machine drives crank and connecting rod movement, control spring to draw It stretches or compressive deformation, alternating load is applied to the subject bearing in fixture.
There are two the electric rotating machine-toggle-spring assembly is set:Component A and component B, is symmetricly set on Both sides above and below fixture.
The component A includes:Electric rotating machine A, toggle A and spring A, the motor A are connected by crank The one end linkage A connecting spring A, the spring A other ends pass through attachment device A jockeies;
The component B includes:Electric rotating machine B, toggle B and spring B, the motor B are connected by crank The one end linkage B connecting spring B, the spring B other end pass through attachment device B jockeies.
The toggle A is identical with the structure of toggle B.
The fixture is made of the upper fixture and lower fixture of mirror symmetry, upper fixture and lower fixture at bulk, and The one side that upper fixture and lower fixture fit respectively sets a semicircular indentations, and the circumferential notch being combined into matches with subject bearing.
The upper fixture upper surface is plane, is connect with attachment device A, and a semi-circular recesses are equipped in lower surface, with Subject bearing matches;The lower surface of lower fixture is plane, is connect with attachment device B, and upper surface is equipped with a semi-circular recesses, with Subject bearing matches.
The bearing tester further includes control system, which is connected with electric rotating machine A and electric rotating machine B, The rotation angle of electric rotating machine is controlled, and then changes the stretching/compressing amount of spring, the elastic force of spring is controlled, bearing may be implemented The load of alternating load.Meanwhile the rotation of rotary shaft is controlled by bearing tester control system, bearing may be implemented with given Rotation speed operation.The change of electric rotating machine rotation angle is controlled by bearing tester control system, electric rotating machine rotation angle The change of degree can influence the stretching/compressing amount of spring.Due to the change of the stretching/compressing amount of spring, spring can press from both sides Tool surface applies of different sizes, direction-agile active force.Connected by adding multiple electric rotating machines-crank in fixture different zones The load of bearing alternating load may be implemented in linkage-spring unit.By adding multiple electric rotating machines-in fixture different zones The load of bearing alternating load may be implemented in toggle-spring unit.
The subject bearing surface is additionally provided with a temperature sensor, which connects control system.Acquire axis The signal in operation process is held, the operational situation of bearing is monitored.
Compared with prior art, the utility model has the advantages that:
1, the rotation angle of electric rotating machine is controlled by computer, and then changes compression/amount of tension of spring, controls spring Elastic force, the load of bearing alternating load may be implemented.
2, in conjunction with the real working condition condition of internal combustion engine, the change of the rotation angle and time of electric rotating machine is controlled by computer The load of internal combustion engine real working condition load may be implemented in change amount.Help to carry out using the bearing type alternating load loading device and send out Motivation dynamic load bearing test.
Description of the drawings
Fig. 1 is the alternating load load maintainer schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram of the utility model toggle A5;
In figure:1 is rotary shaft, and 2 be subject bearing, and 3 be fixture, and 4 be electric rotating machine A, and 5 be toggle A, and 51 are Flywheel, 52 be connecting rod, and 53 be link block, and 6 be spring A, and 7 be attachment device A, and 8 be attachment device B, and 9 be spring B, and 10 be crank Link mechanism B 11 is electric rotating machine B, 12 is temperature sensor.
Specific implementation mode
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Embodiment 1
As shown in Figure 1, a kind of bearing tester type alternating load loading device based on toggle, the axis It includes rotary shaft 1 to hold testing machine, and subject bearing 2 is mounted in the rotary shaft 1, which includes fixture 3, and setting Multiple electric rotating machine-toggle-spring units around fixture 3, the electric rotating machine-toggle- Spring assembly includes being sequentially connected electric rotating machine, toggle and spring, and electric rotating machine drives crank and connecting rod movement, It controls spring and stretching or compressive deformation occurs, alternating load is applied to the subject bearing 2 in fixture 3.
Wherein, there are two the electric rotating machine-toggle-spring assembly is set:Component A and component B, symmetrically sets It sets in about 3 both sides of fixture.The component A includes:Electric rotating machine A4, toggle A5 and spring A6, the electricity Machine A4 passes through attachment device A7 jockeies 3 by the one end toggle A5 connecting spring A6, the spring A6 other ends;It is described Component B include:Electric rotating machine B11, toggle B10 and spring B 9, the motor B11 pass through toggle The one end B10 connecting spring B9,9 other end of spring B pass through attachment device B8 jockeies 3.
As described in Figure 2, the toggle A5 includes flywheel 51, connecting rod 52 and link block 53, the connecting rod 52 connect with flywheel 51 and connect electric rotating machine A4, and the link block 53 is separately connected connecting rod 52 and spring A6, the song The structure of handle link mechanism B10 is identical as toggle A5.
The fixture 3 is made of the upper fixture and lower fixture of mirror symmetry, upper fixture and lower fixture at bulk, and The one side that upper fixture and lower fixture fit respectively sets a semicircular indentations, and the circumferential notch being combined into matches with subject bearing 2. The upper fixture upper surface is plane, is connect with attachment device A7, and a semi-circular recesses are equipped in lower surface, with subject bearing 2 match;The lower surface of lower fixture is plane, is connect with attachment device B8, and upper surface is equipped with a semi-circular recesses, with subject axis 2 are held to match.
The bearing tester further includes control system, the control system and electric rotating machine A4 and electric rotating machine B11 phases Even, the rotation angle of electric rotating machine is controlled, and then changes the stretching/compressing amount of spring, the elastic force of spring is controlled, axis may be implemented Hold the load of alternating load.Meanwhile by bearing tester control system control rotary shaft 1 rotation, may be implemented bearing with Given rotation speed operation.The change of electric rotating machine rotation angle is controlled by bearing tester control system, electric rotating machine rotation The change of gyration can influence the stretching/compressing amount of spring.Due to the change of the stretching/compressing amount of spring, spring can be with Apply of different sizes, direction-agile active force in chucking surface.By adding multiple electric rotating machine-songs in fixture different zones The load of bearing alternating load may be implemented in handle link mechanism-spring unit.By adding multiple rotations in fixture different zones The load of bearing alternating load may be implemented in motor-toggle-spring unit.2 surface of subject bearing is additionally provided with a temperature Sensor 12 is spent, which connects control system, acquires the signal during bearing operation, monitors the operating of bearing Situation.

Claims (8)

1. a kind of bearing tester type alternating load loading device based on toggle, the bearing tester include Rotary shaft (1), subject bearing (2) are mounted in the rotary shaft (1), which is characterized in that and the loading device includes fixture (3), And the multiple electric rotating machine-toggle-spring assemblies being arranged around fixture (3), each electric rotating machine-crank connecting link Mechanism-spring assembly includes being sequentially connected electric rotating machine, toggle and spring, and wherein toggle includes flywheel (51), connecting rod (52) and link block (53), the connecting rod (52) connect and connect electric rotating machine, the company with flywheel (51) It connects block (53) and is separately connected connecting rod (52) and spring, electric rotating machine drives crank and connecting rod movement, control spring to stretch Or compressive deformation, alternating load is applied to the subject bearing (2) in fixture (3).
2. a kind of bearing tester type alternating load loading device based on toggle according to claim 1, It is characterized in that, there are two the electric rotating machine-toggle-spring assembly sets:Component A and component B is symmetrical arranged In fixture (3) both sides up and down.
3. a kind of bearing tester type alternating load loading device based on toggle according to claim 2, It is characterized in that, the component A includes:Electric rotating machine A (4), toggle A (5) and spring A (6), the motor A (4) passes through attachment device A (7) connection clip by toggle A (5) connecting spring A (6) one end, spring A (6) other ends Have (3);
The component B includes:Electric rotating machine B (11), toggle B (10) and spring B (9), the motor B (11) By toggle B (10) connecting spring B (9) one end, spring B (9) other end passes through attachment device B (8) jockey (3)。
4. a kind of bearing tester type alternating load loading device based on toggle according to claim 3, It is characterized in that, the toggle A (5) is identical with the structure of toggle B (10).
5. a kind of bearing tester type alternating load loading device based on toggle according to claim 3, It is characterized in that, the fixture (3) is made of the upper fixture and lower fixture of mirror symmetry, upper fixture and lower fixture are blocking Shape, and the one side to fit in upper fixture and lower fixture respectively sets a semicircular indentations, the circumferential notch being combined into and subject bearing (2) match.
6. a kind of bearing tester type alternating load loading device based on toggle according to claim 5, It is characterized in that, the upper fixture upper surface is plane, it is connect with attachment device A (7), it is semicircle recessed that one is equipped in lower surface Slot matches with subject bearing (2);The lower surface of lower fixture is plane, is connect with attachment device B (8), and upper surface is equipped with half Circular groove matches with subject bearing (2).
7. a kind of bearing tester type alternating load loading device based on toggle according to claim 3, It is characterized in that, the bearing tester further includes control system, the control system and electric rotating machine A (4) and electric rotating machine B (11) it is connected, meanwhile, the rotary speed of control rotary shaft (1).
8. a kind of bearing tester type alternating load loading device based on toggle according to claim 7, It is characterized in that, described subject bearing (2) surface is additionally provided with a temperature sensor (12), the temperature sensor (12) connection control System processed.
CN201721874630.7U 2017-12-28 2017-12-28 A kind of bearing tester type alternating load loading device based on toggle Expired - Fee Related CN207866505U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721874630.7U CN207866505U (en) 2017-12-28 2017-12-28 A kind of bearing tester type alternating load loading device based on toggle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721874630.7U CN207866505U (en) 2017-12-28 2017-12-28 A kind of bearing tester type alternating load loading device based on toggle

Publications (1)

Publication Number Publication Date
CN207866505U true CN207866505U (en) 2018-09-14

Family

ID=63463220

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721874630.7U Expired - Fee Related CN207866505U (en) 2017-12-28 2017-12-28 A kind of bearing tester type alternating load loading device based on toggle

Country Status (1)

Country Link
CN (1) CN207866505U (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