CN205940960U - Automobile semi -axle and transmission shaft twist reverse fatigue test device - Google Patents
Automobile semi -axle and transmission shaft twist reverse fatigue test device Download PDFInfo
- Publication number
- CN205940960U CN205940960U CN201620931484.6U CN201620931484U CN205940960U CN 205940960 U CN205940960 U CN 205940960U CN 201620931484 U CN201620931484 U CN 201620931484U CN 205940960 U CN205940960 U CN 205940960U
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- shaft
- main shaft
- fatigue test
- test device
- rocking arm
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Abstract
The utility model provides an automobile semi -axle and transmission shaft twist reverse fatigue test device, including the drive mechanism that is used for being connected with need checking sample one end, the fixed tailstock that is used for being connected with the need checking sample other end, be used for driving drive mechanism pivoted load mechanism, drive mechanism include the main shaft, be used for to support the main shaft bearing assembly, adorn the loading rocking arm outside the main shaft, the spindle nose is equipped with the shaft coupling, load mechanism rotates in order to drive the rotatory pneumatic cylinder of main shaft including being used for driving the loading rocking arm. The pneumatic cylinder passes through the loading rocking arm, truns into the linear motion of pneumatic cylinder to the twist motion of main shaft. The utility model discloses can export enough big moment of torsion and twist reverse fatigue test in order to satisfy most automobile semi -axle and transmission shaft, and test frequency is high, the semi -axis or the transmission shaft that can carry out two same test conditions simultaneously are experimental, and area is little.
Description
Technical field
The utility model is related to a kind of automobile axle shaft and power transmission shaft torsional fatigue test device.
Background technology
At present when doing automobile axle shaft and power transmission shaft torsional fatigue test, by automobile industry standard QC/T 293-1999
《Automobile axle shaft Bench test methods》Execution, when doing truck drive shaft fatigue torsion test, by automobile industry standard QC/T523-
1999《Vehicle driving shaft assembly Bench test methods》Execution, need to fix semiaxis/power transmission shaft output end, to semiaxis/biography during test
Moving axis input applies reciprocal torsional moment.The structure of existing experimental rig is that horizontal single hydraulic cylinder drives, and deficiency is to export
Moment is little, test frequency is low, floor space is big, inefficiency.
Content of the invention
The purpose of this utility model is to overcome the above-mentioned not enough of prior art and provides a kind of automobile axle shaft and power transmission shaft
Torsional fatigue test device, can export sufficiently large moment of torsion to meet most automobile axle shafts and power transmission shaft torsional fatigue examination
Test, and test frequency is high, semiaxis or the transmission shaft experiment of two same experimental conditions can be carried out simultaneously, floor space is little.
The technical solution of the utility model is：Including the transmission mechanism for being connected with testing sample one end, for and treat
The fixing tailstock of test sample product other end connection, the load maintainer for driving transmission mechanism to rotate；Described transmission mechanism includes leading
Axle, the bearing assembly for supports main shaft, the loading rocking arm being loaded on outside main shaft, spindle nose is equipped with shaft coupling；Described loading machine
Structure includes rotating for drive load rocking arm to drive the hydraulic cylinder of main shaft rotation.
Described hydraulic cylinder is two, and hydraulic cylinder upper end is movably connected on the crossbeam of portal frame, hydraulic cylinder lower end and loading
Rocking arm is flexibly connected.
Described hydraulic cylinder upper end is movably connected on the crossbeam of portal frame through universal joint, hydraulic cylinder lower end through load ball pivot,
Load pin and be flexibly connected with loading rocking arm.
Described loading rocking arm is respectively provided on two sides with hinged seat, loads pin and is loaded on hinged seat through wear-resisting copper sheathing.
Equipped with force snesor on the loading head of described hydraulic cylinder, load ball pivot and be connected with force snesor.
Described loading rocking arm is set in the middle part of main shaft through big expansion sleeve；Described bearing assembly is two, is symmetrically loaded on main shaft
Both sides；Described shaft coupling is loaded on spindle nose through output flange.
It is provided with end ring, retaining ring, between output flange and main shaft between described bearing assembly and output flange
It is provided with little expansion sleeve.
Described shaft coupling is diaphragm coupling, and described bearing assembly includes roller bearing, bearing block.
Described spindle assemblies both sides are respectively provided with a fixing tailstock, and fixing tailstock includes pedestal, the fixation being loaded on pedestal
Ring flange, described mounting flange disk axis are overlapped with main-shaft axis.
Described fixed flange is connected with pedestal through torque sensor.
It is provided with hinged between hydraulic cylinder and portal frame, hydraulic cylinder can swing in certain space angle.Hydraulic cylinder passes through
Load rocking arm, the linear motion of hydraulic cylinder is switched to the twist motion of main shaft.The utility model controls two hydraulic pressure by controller
Cylinder reversely moves up and down, with the swing of motion rocker arm, thus driving the rotation output torque of main shaft.The utility model can be widely used for
All kinds of vehicle power transmission shafts and half shaft experiment, it has advantages below：1）Power output is converted into torque output, output torque is big；
2）Two ends export simultaneously, can carry out two power transmission shafts or half shaft experiment simultaneously；3）When test requirements document output torque is big, can double hydraulic cylinder
Drive；Test requirements document output torque hour, can single hydraulic cylinder drive；4）Symmetrical configuration, floor space is little, high working efficiency；5）
Energy consumption is low.
Brief description
The embodiment providing below in conjunction with the accompanying drawings further illustrates to the utility model.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is the structural representation of fixed seat.
Fig. 4 is use state figure of the present utility model.
Specific embodiment
In Fig. 1,2,3,4, the embodiment in terms of three, the utility model being provided is described further.
First, the part of embodiment and Main Function that the utility model provides.
The utility model is made up of load maintainer, transmission mechanism, fixed mechanism.
Two hydraulic cylinders 6 are arranged on load maintainer；Hydraulic cylinder 6 tail end passes through universal joint 5 and the fixing base plate 4 of hydraulic cylinder and liquid
Cylinder pressure clamping plate 3 lifting is fixed on crossbeam 2.Fixing base plate 4 is connected by screw rod with clamping plate 3, and crossbeam is clipped in fixing base plate 4 and folder
Between plate 3.Two pieces of crossbeams 2 are fixed by screws on two columns 1, form portal frame.Equipped with force on the loading head of hydraulic cylinder 6
Sensor 7, can monitor the size of loaded load；Load ball pivot 8 to be connected with force snesor 7.Whole load maintainer symmetrical configuration, is subject to
Power is uniform.
The symmetrical main shaft of setting structure 15 on transmission mechanism, main shaft 15 is arranged on two bearings seat 13 by two roller bearings
On；Bearing block cover plate 18 is fixed on bearing block 13, prevents bearing from sliding axially, and bearing block 13 is fixed by screws in base plate 24
On.End ring 22 and retaining ring 23 are threadedly secured on main shaft 15, prevent bearing from sliding axially.Load rocking arm 12 to pass through
Big expansion sleeve 16 is fixed in the middle of main shaft 15；Load in the loading hole of rocking arm 12 equipped with wear-resisting copper sheathing 21.Two output flanges 14
Symmetrically it is fixed on main shaft 15 by little expansion sleeve 17；Diaphragm coupling 25 is connected with output flange 14 by screw, eliminates
The side force misaligning generation installed by sample.Load ball pivot 8 to be connected with loading rocking arm 12 by loading pin 19, load pin baffle plate 20
Fixing with loading pin 19, in order to prevent from loading pin slippage in process of the test.Torque sensor 10 is bolted on fixing tail
On seat 9, fixed flange 11 is connected with torque sensor 10.
Fixed mechanism is made up of two structure identical parts, is arranged symmetrically with respect to transmission mechanism.Fixed mechanism is to fix
Tailstock 9, torque sensor 10 is bolted on fixing tailstock 9, is applied to the torque on sample in rating test；
Fixed flange 11 is connected with torque sensor 10.
Second, the installation of testing sample and adjustment.
Different samples need to design different colour transition ring flanges 26, first pass through counter flange disk and fix one end of sample 27
On the diaphragm coupling 25 on output flange 14；Then the position according to the fixing tailstock of Adjustment Tests platform before and after the length of sample
Put；By counter flange disk, the testing sample other end is fixed on fixed flange 11 again；Tailstock 9 finally will be fixed fixing.
Sample 27 can be automobile axle shaft or truck drive shaft.
3rd, the test process of testing sample.
During test, two hydraulic cylinders 6 reversely reciprocal up and down motion drive load rocking arm is controlled by hydraulic cylinder nonshared control unit
12 back and forth swing up and down, and load rocking arm 12 back and forth swings up and down the reciprocating rotation driving main shaft 15.Output flange 14 is being led
In the presence of axle 15, drive the reciprocal twist motion of testing sample.When test requirements document moment of torsion is big, available two hydraulic cylinders drive simultaneously
Dynamic；When test requirements document moment of torsion hour, one of hydraulic cylinder can be disengaged with loading rocking arm, using a Driven by Hydraulic Cylinder.
Claims (9)
1. a kind of automobile axle shaft and power transmission shaft torsional fatigue test device it is characterised in that：Including for testing sample one end
The transmission mechanism of connection, the fixing tailstock for being connected with the testing sample other end（9）, for drive transmission mechanism rotate plus
Mounted mechanism；
Described transmission mechanism includes main shaft（15）, be used for supports main shaft（15）Bearing assembly, be loaded on main shaft（15）Outer loading
Rocking arm（12）, main shaft（15）End is equipped with shaft coupling（25）；
Described load maintainer is included for drive load rocking arm（12）Rotate to drive the hydraulic cylinder of main shaft rotation（6）.
2. automobile axle shaft according to claim 1 and power transmission shaft torsional fatigue test device it is characterised in that：Described hydraulic pressure
Cylinder（6）For two, hydraulic cylinder（6）Upper end is movably connected on the crossbeam of portal frame（2）On, hydraulic cylinder（6）Lower end and loading rocking arm
（12）It is flexibly connected.
3. automobile axle shaft according to claim 2 and power transmission shaft torsional fatigue test device it is characterised in that：Described hydraulic pressure
Cylinder（6）Upper end is through universal joint（5）It is movably connected on the crossbeam of portal frame（2）On, hydraulic cylinder（6）Lower end is through loading ball pivot（8）, plus
Carry pin（19）With loading rocking arm（12）It is flexibly connected.
4. automobile axle shaft according to claim 3 and power transmission shaft torsional fatigue test device it is characterised in that：Described loading
Rocking arm（12）It is respectively provided on two sides with hinged seat, load pin（19）Through wear-resisting copper sheathing（21）It is loaded on hinged seat.
5. automobile axle shaft according to claim 3 and power transmission shaft torsional fatigue test device it is characterised in that：Described hydraulic pressure
Cylinder（6）Loading head on equipped with force snesor（7）, load ball pivot（8）With force snesor（7）It is connected.
6. automobile axle shaft according to claim 1 and power transmission shaft torsional fatigue test device it is characterised in that：Described loading
Rocking arm（12）Through big expansion sleeve（16）It is set in main shaft（15）Middle part；Described bearing assembly is two, is symmetrically loaded on main shaft（15）
Both sides；Described shaft coupling（25）Through output flange（14）It is loaded on main shaft（15）End.
7. automobile axle shaft according to claim 6 and power transmission shaft torsional fatigue test device it is characterised in that：Described bearing
Assembly and output flange（14）Between be provided with end ring（22）, retaining ring（23）, output flange（14）With main shaft（15）
Between be provided with little expansion sleeve（17）.
8. automobile axle shaft according to claim 1 and power transmission shaft torsional fatigue test device it is characterised in that：Described shaft coupling
Device（25）For diaphragm coupling, described bearing assembly includes roller bearing, bearing block（13）.
9. automobile axle shaft according to claim 1 and power transmission shaft torsional fatigue test device it is characterised in that：Described main shaft
Assembly both sides are respectively provided with a fixing tailstock（9）, fixing tailstock（9）Including pedestal, the fixed flange being loaded on pedestal（11）,
Described fixed flange（11）Axis is overlapped with main-shaft axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620931484.6U CN205940960U (en) | 2016-08-24 | 2016-08-24 | Automobile semi -axle and transmission shaft twist reverse fatigue test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620931484.6U CN205940960U (en) | 2016-08-24 | 2016-08-24 | Automobile semi -axle and transmission shaft twist reverse fatigue test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205940960U true CN205940960U (en) | 2017-02-08 |
Family
ID=57951572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620931484.6U Expired - Fee Related CN205940960U (en) | 2016-08-24 | 2016-08-24 | Automobile semi -axle and transmission shaft twist reverse fatigue test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205940960U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610337A (en) * | 2016-08-24 | 2017-05-03 | 襄阳达安汽车检测中心 | Device for testing torsional fatigue of semi-shaft and transmission shaft of automobile |
| CN109443733A (en) * | 2018-12-13 | 2019-03-08 | 科堡科技（江苏）有限公司 | A kind of knob endurance testing device |
| CN112461517A (en) * | 2020-11-05 | 2021-03-09 | 天津航天机电设备研究所 | Mechanical property characteristic test board capable of testing in batch |
-
2016
- 2016-08-24 CN CN201620931484.6U patent/CN205940960U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610337A (en) * | 2016-08-24 | 2017-05-03 | 襄阳达安汽车检测中心 | Device for testing torsional fatigue of semi-shaft and transmission shaft of automobile |
| CN109443733A (en) * | 2018-12-13 | 2019-03-08 | 科堡科技（江苏）有限公司 | A kind of knob endurance testing device |
| CN112461517A (en) * | 2020-11-05 | 2021-03-09 | 天津航天机电设备研究所 | Mechanical property characteristic test board capable of testing in batch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20190824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |