CN208091698U - It is a kind of based on the radially alternating load charger of the bearing tester of crank connecting link - Google Patents
It is a kind of based on the radially alternating load charger of the bearing tester of crank connecting link Download PDFInfo
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- CN208091698U CN208091698U CN201721877157.8U CN201721877157U CN208091698U CN 208091698 U CN208091698 U CN 208091698U CN 201721877157 U CN201721877157 U CN 201721877157U CN 208091698 U CN208091698 U CN 208091698U
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- toggle
- electric rotating
- rotating machine
- fixture
- spring
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Abstract
The utility model is related to a kind of based on the radially alternating load charger of the bearing tester of crank connecting link, the bearing tester includes rotary shaft (1), bearing (2) is tested to be mounted in the rotary shaft (1), the loading device includes fixture (3), and electric rotating machine-toggle-spring assembly of the axially symmetric and radial symmetric setting of fixture (3) surrounding setting, electric rotating machine-toggle-the spring assembly being wherein axially and symmetrically arranged applies axial alternating load to the subject bearing (2) in fixture (3), electric rotating machine-toggle-spring assembly of radial symmetric setting applies radially alternating load 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
Technical field
The utility model is related to a kind of loading devices of bearing tester, more particularly, to a kind of axis based on crank connecting link
Testing machine is held with radially alternating load charger.
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 load of internal combustion engine real working condition load based on the radially alternating load charger of the bearing tester of crank connecting link.
The purpose of this utility model can be achieved through the following technical solutions：A kind of bearing test based on crank connecting link
The radially alternating load charger of machine, the bearing tester includes rotary shaft, and subject bearing is mounted on the rotary shaft
On, which is characterized in that the loading device includes the rotation of the axially symmetric and radial symmetric setting of fixture and the setting of fixture surrounding
Rotating motor-toggle-spring assembly the, wherein electric rotating machine-toggle-groups of springs being axially and symmetrically arranged
Part applies axial alternating load, electric rotating machine-toggle-spring of radial symmetric setting to the subject bearing in fixture
Component applies radially alternating load to the subject bearing in fixture.
Electric rotating machine-toggle-the spring assembly includes component A, component B, component C and component D,
Both sides are axially and symmetrically arranged above and below fixture in middle component A and component D, and component B and component C radial symmetrics are arranged in fixture or so two
Side.
The component A includes：Electric rotating machine A, toggle A, spring A and attachment device A, the motor A
By the one end toggle A connecting spring A, the spring A other ends pass through attachment device A jockeies；
Component B includes：Electric rotating machine B, toggle B, spring B and attachment device B, the electric rotating machine B are logical
The one end toggle B connecting spring B is crossed, the spring B other end passes through attachment device B jockeies；
Component C includes：Electric rotating machine C, toggle C, spring C and attachment device C, the electric rotating machine C are logical
The one end toggle C connecting spring C is crossed, the spring C other ends pass through attachment device C jockeies；
Component D includes：Electric rotating machine D, toggle D, spring D and attachment device D, the electric rotating machine D are logical
The one end toggle D connecting spring D is crossed, the spring D other ends pass through attachment device D jockeies.
The toggle A includes flywheel, connecting rod and link block, and the connecting rod connect with flywheel and connects rotation
Rotating motor A, the link block are separately connected connecting rod and spring A.
Toggle B, toggle C, the structure of toggle D and the toggle A
Structure it is identical.
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 D, and upper surface is equipped with a semi-circular recesses, with
Subject bearing matches；
After upper fixture and lower fixture are closed, left side is connect with attachment device B, and right side is connect with attachment device C.
The bearing tester further includes control system, the control system and electric rotating machine A, electric rotating machine B, electric rotating
Machine C, electric rotating machine D are connected, and the rotation angle of electric rotating machine are controlled by computer, and then change the stretching/compressing amount of spring,
The elastic force for controlling spring, may be implemented the load of bearing alternating load, in conjunction with the real working condition condition of internal combustion engine, passes through computer
The variable quantity for controlling the rotation angle and time of electric rotating machine, may be implemented the load of internal combustion engine real working condition load.Utilize this
The radially alternating load charger of bearing helps to carry out engine dynamic load bearing test.
Bearing tester control system controls the rotation of rotary shaft, and bearing may be implemented with given rotation speed operation.Rotation
The change of motor rotation angle is controlled by bearing tester control system, and the change of electric rotating machine rotation angle can influence
The stretching/compressing amount of spring.Due to the change of the stretching/compressing amount of spring, spring can apply size not in chucking surface
Same, direction-agile active force.By adding multiple electric rotating machine-toggle-spring units in fixture different zones
The load of the radially alternating load of bearing may be implemented.
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 following advantages：
1, the rotation angle of electric rotating machine is controlled by computer, and then changes the stretching/compressing amount 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.Contributed to out using the radially alternating load charger of the bearing
Open up engine dynamic load bearing test.
Description of the drawings
Fig. 1 is the radially alternating load charger schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of toggle.
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 electric rotating machine B, and 9 be toggle B,
10 be spring B, and 11 be attachment device B, and 12 be attachment device C, and 13 be spring C, and 14 be toggle C, and 15 be electric rotating
Machine C, 16 be attachment device D, and 17 be spring D, and 18 be toggle D, and 19 be electric rotating machine D, and 20 be 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 based on the radially alternating load charger of the bearing tester of crank connecting link, 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 fixture
Electric rotating machine-toggle-spring assembly of the axially symmetric and radial symmetric setting of 3 surroundings setting, wherein axial right
Electric rotating machine-toggle-spring assembly of setting is claimed to apply axial alternating load, diameter to the subject bearing 2 in fixture 3
Radially alternating load is applied to the subject bearing 2 in fixture 3 to symmetrically arranged electric rotating machine-toggle-spring assembly
Lotus.
Electric rotating machine-toggle-the spring assembly includes component A, component B, component C and component D,
Axially and symmetrically setting is arranged in about 3 both sides of fixture, component B and component C radial symmetrics in fixture 3 or so middle component A and component D
Both sides.
Wherein, the component A includes：Electric rotating machine A4, toggle A5, spring A6 and attachment device A7, institute
The motor A4 stated passes through attachment device A7 jockeies by the one end toggle A5 connecting spring A6, the spring A6 other ends
3；Component B includes：Electric rotating machine B8, toggle B9, spring B 10 and attachment device B11, the electric rotating machine B8 are logical
The one end toggle B9 connecting spring B10 is crossed, 10 other end of spring B passes through attachment device B11 jockeies 3；Component C
Including：Electric rotating machine C15, toggle C14, spring C13 and attachment device C12, the electric rotating machine C15 pass through song
The one end handle link mechanism C14 connecting spring C13, the spring C13 other ends pass through attachment device C12 jockeies 3；Component D includes：
Electric rotating machine D19, toggle D18, spring D17 and attachment device D16, the electric rotating machine D19 are connected by crank
The one end linkage D18 connecting spring D17, the spring D17 other ends pass through attachment device D16 jockeies 3.
The toggle A5 includes flywheel 51, connecting rod 52 and link block 53, the connecting rod 52 and flywheel 51
It connects and connects electric rotating machine A4, the link block 53 is separately connected connecting rod 52 and spring A6.The toggle
B9, toggle C14, the structure of toggle D18 are identical as the structure of toggle A5.As shown in Figure 2.
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 D16, and upper surface is equipped with a semi-circular recesses, with subject
Bearing 2 matches；After upper fixture and lower fixture are closed, left side is connect with attachment device B11, and right side is connect with attachment device C12.
Bearing 2 is tested to be mounted in rotary shaft 1, meanwhile, subject bearing 2 is positioned over inside fixture 3.Rotary shaft 1 is by bearing
Testing machine drives.In addition, convert rotational motion is linear motion by toggle A 5 by electric rotating machine A 4, and then control
Stretching/compressing deformation occurs for spring A 6 processed, and spring A 6 is connected by attachment device A 7 with fixture 3, applies bearing loading force.
Similar, convert rotational motion is linear motion by toggle B 9 by electric rotating machine B 8, and then controls spring B
10 occur stretching/compressing deformation, and spring B 10 is connected by attachment device B 11 with fixture 3, apply bearing loading force；Electric rotating
Convert rotational motion is linear motion by toggle C 14 by machine C 15, so control spring C 13 occur to stretch/
Compressive deformation, spring C 13 are connected by attachment device C 12 with fixture 3, and bearing loading force is applied；Electric rotating machine D 19 passes through
Convert rotational motion is linear motion by toggle D 18, and then controls spring D 17 and stretching/compressing deformation, bullet occurs
Spring D 17 is connected by attachment device D 16 with fixture 3, and bearing loading force is applied.
Bearing tester control system and electric rotating machine A 4, electric rotating machine B 8, electric rotating machine C 15 and electric rotating machine D
19 are connected.Bearing tester control system controls rotary shaft 1 and rotates, and realizes bearing with given rotation speed operation.Meanwhile electric rotating
The operation of machine A 4, electric rotating machine B 8, electric rotating machine C 15 and electric rotating machine D 19 are also controlled by bearing tester control system
System.2 surface of subject bearing is additionally provided with a temperature sensor 20, which connects control system, acquires bearing operation
Signal in the process monitors the operational situation of bearing.
Claims (9)
1. a kind of based on the radially alternating load charger of the bearing tester of crank connecting link, the bearing tester includes
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 electric rotating machine-toggle-spring assembly of the axially symmetric and radial symmetric setting of fixture (3) surrounding setting,
Electric rotating machine-toggle-the spring assembly being wherein axially and symmetrically arranged applies the subject bearing (2) in fixture (3)
Axial alternating load, electric rotating machine-toggle-spring assembly of radial symmetric setting is to the subject axis in fixture (3)
It holds (2) and applies radially alternating load.
2. it is according to claim 1 a kind of based on the radially alternating load charger of the bearing tester of crank connecting link,
It is characterized in that, electric rotating machine-toggle-the spring assembly includes component A, component B, component C and component D,
Axially and symmetrically in fixture (3), both sides, component B and component C radial symmetrics are arranged in fixture wherein component A and component D up and down for setting
(3) left and right sides.
3. it is according to claim 2 a kind of based on the radially alternating load charger of the bearing tester of crank connecting link,
It is characterized in that, the component A includes：Electric rotating machine A (4), toggle A (5), spring A (6) and attachment device A
(7), the motor A (4) passes through connection by toggle A (5) connecting spring A (6) one end, spring A (6) other end
Device A (7) jockey (3)；
Component B includes：Electric rotating machine B (8), toggle B (9), spring B (10) and attachment device B (11), the rotation
Rotating motor B (8) passes through attachment device B by toggle B (9) connecting spring B (10) one end, spring B (10) other end
(11) jockey (3)；
Component C includes：Electric rotating machine C (15), toggle C (14), spring C (13) and attachment device C (12), it is described
Electric rotating machine C (15) is filled by toggle C (14) connecting spring C (13) one end, spring C (13) other ends by connecting
Set C (12) jockey (3)；
Component D includes：Electric rotating machine D (19), toggle D (18), spring D (17) and attachment device D (16), it is described
Electric rotating machine D (19) is filled by toggle D (18) connecting spring D (17) one end, spring D (17) other ends by connecting
Set D (16) jockey (3).
4. it is according to claim 3 a kind of based on the radially alternating load charger of the bearing tester of crank connecting link,
It is characterized in that, the toggle A (5) includes flywheel (51), connecting rod (52) and link block (53), the connecting rod
(52) electric rotating machine A (4) is connect and connected with flywheel (51), and the link block (53) is separately connected connecting rod (52) and spring A
(6)。
5. it is according to claim 4 a kind of based on the radially alternating load charger of the bearing tester of crank connecting link,
It is characterized in that, the structure of the toggle B (9), toggle C (14), toggle D (18) with
The structure of toggle A (5) is identical.
6. it is according to claim 2 a kind of based on the radially alternating load charger of the bearing tester of crank connecting link,
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.
7. it is according to claim 6 a kind of based on the radially alternating load charger of the bearing tester of crank connecting link,
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 D (16), and upper surface is equipped with one
Semi-circular recesses match with subject bearing (2)；
After upper fixture and lower fixture are closed, left side is connect with attachment device B (11), and right side is connect with attachment device C (12).
8. it is according to claim 2 a kind of based on the radially alternating load charger of the bearing tester of crank connecting link,
It is characterized in that, the bearing tester further includes control system, the control system and electric rotating machine A (4), electric rotating machine B
(8), electric rotating machine C (15), electric rotating machine D (19) are connected, meanwhile, the rotary speed of control rotary shaft (1).
9. it is according to claim 2 a kind of based on the radially alternating load charger of the bearing tester of crank connecting link,
It is characterized in that, described subject bearing (2) surface is additionally provided with a temperature sensor (20), the temperature sensor (20) connection control
System processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721877157.8U CN208091698U (en) | 2017-12-28 | 2017-12-28 | It is a kind of based on the radially alternating load charger of the bearing tester of crank connecting link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721877157.8U CN208091698U (en) | 2017-12-28 | 2017-12-28 | It is a kind of based on the radially alternating load charger of the bearing tester of crank connecting link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208091698U true CN208091698U (en) | 2018-11-13 |
Family
ID=64064947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721877157.8U Expired - Fee Related CN208091698U (en) | 2017-12-28 | 2017-12-28 | It is a kind of based on the radially alternating load charger of the bearing tester of crank connecting link |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208091698U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289165A (en) * | 2020-03-10 | 2020-06-16 | 中国第一汽车股份有限公司 | Device and method for measuring excitation force of cam shaft to cam bearing cover |
-
2017
- 2017-12-28 CN CN201721877157.8U patent/CN208091698U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289165A (en) * | 2020-03-10 | 2020-06-16 | 中国第一汽车股份有限公司 | Device and method for measuring excitation force of cam shaft to cam bearing cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20201228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |