CN109269913A - A kind of transmission assembly shell strain detection testing device - Google Patents
A kind of transmission assembly shell strain detection testing device Download PDFInfo
- Publication number
- CN109269913A CN109269913A CN201811307485.3A CN201811307485A CN109269913A CN 109269913 A CN109269913 A CN 109269913A CN 201811307485 A CN201811307485 A CN 201811307485A CN 109269913 A CN109269913 A CN 109269913A
- Authority
- CN
- China
- Prior art keywords
- transmission assembly
- testing device
- strain detection
- detection testing
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0021—Torsional
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
Abstract
The invention discloses a kind of transmission assembly shell strain detection testing devices, including hydraulic drive mechanism and two output end lockable mechanisms；Hydraulic drive mechanism is arranged to be used for being fixedly connected with the input shaft of the gearbox of transmission assembly；Two output end lockable mechanisms are arranged to be used for matching respectively with two output shafts of the differential mechanism of transmission assembly, with the output shaft for the differential mechanism that locks；Output end lockable mechanism includes pedestal and locking part, and locking part is equipped with the locking hole with the output shaft spline fitted of differential mechanism.The transmission assembly shell strain detection testing device of the disclosure uses two output shafts of the differential mechanism of output end lockable mechanism locking transmission assembly, gearbox, which is less prone to, counter drags problem, torque rapidly can be loaded onto target value by the input terminal of transmission assembly, and can meet the intensity use demand of transmission assembly.The transmission assembly shell strain detection testing device of the disclosure only needs to control the output of hydraulic drive mechanism, and control is simple, easy to implement.
Description
Technical field
The present invention relates to gearbox performance detection fields, more particularly, to a kind of transmission assembly shell strain testing
Device.
Background technique
Shell is one of most basic key components and parts of gearbox, and it is to guarantee gearbox that the intensity of shell, which meets design requirement,
The primary basis that function is normally realized.In order to investigate gear box casing in the strength and stiffness performance of bad working environments, need to detect
The strain size of shell assesses shell dependent variable whether within the scope of performance of expected change.
For being integrated in the intracorporal transmission assembly of shell especially for gearbox and differential mechanism, transmission assembly
The performance of shell will affect the normal work of gearbox and differential mechanism, and the strain property of shell is particularly important.
The shell strain detection testing device that this gearbox and differential mechanism are integrated in an intracorporal transmission assembly of shell is main
Including driving motor and load motor.Wherein, driving motor is connected with the input shaft of gearbox, to be driven by driving motor
The input shaft of gearbox rotates；Load motor is connected with one in two output shafts of differential mechanism, with to the defeated of differential mechanism
Shaft load rotates backward power.The above-mentioned power of rotating backward refers to that the rotation direction of output shaft when working normally with differential mechanism is opposite
Power.
There is various problems for existing shell strain detection testing device: (1) using the output of load motor control differential mechanism
The rotation of axis, easily occurs that gearbox is counter to drag problem, and the strain testing data precision to shell is impacted；(2) due to speed change
There are load speed, the input terminals of transmission assembly torque to be quickly loaded onto target value for the output end of box assembly, influences
The efficiency of strain testing；(3) load motor is only connected with an output shaft of differential mechanism, and the intensity of single output shaft may
Appearance is unable to satisfy transmission assembly intensity use demand, and there are security risks；(4) existing shell strain detection testing device needs
Two motors are controlled simultaneously, and control strategy is complicated.
Therefore, how to provide one kind can be effectively improved existing shell strain detection testing device test device of problems at
For the technical problem of this field urgent need to resolve.
Summary of the invention
It is an object of the present invention to provide a kind of structure is simple, the shell of transmission assembly precisely can be efficiently detected
The new solution of the shell strain detection testing device of strain property.
According to the first aspect of the invention, a kind of transmission assembly shell strain detection testing device is provided.
The transmission assembly shell strain detection testing device includes hydraulic drive mechanism and two output end lockable mechanisms；Its
In,
The hydraulic drive mechanism is arranged to be used for being fixedly connected with the input shaft of the gearbox of transmission assembly；
Two output end lockable mechanisms are arranged to be used for and two output shafts of the differential mechanism of transmission assembly point
It does not match, with the output shaft for the differential mechanism that locks；
The output end lockable mechanism includes pedestal and locking part, and the locking part is equipped with and the output shaft of differential mechanism flower
The locking hole of key cooperation.
Optionally, the hydraulic drive mechanism includes hydraulic drive unit.
Optionally, the hydraulic drive mechanism further includes gear-driven assembly；
The power output end of the hydraulic drive unit is fixed by the input shaft of the gear-driven assembly and gearbox
Connection.
Optionally, the output end lockable mechanism further includes runing rest；
The runing rest and the pedestal are hinged, and the locking part is fixedly connected with the runing rest.
Optionally, the pedestal is equipped with runing rest slot, shape and the runing rest of the runing rest slot
Outer profile is adapted.
Optionally, the transmission assembly shell strain detection testing device further includes torque sensor and strain transducer；
The torque sensor is arranged to be used for detecting the output torque of the hydraulic drive mechanism；
The strain transducer is arranged to be used for the dependent variable of the shell of detection transmission assembly.
Optionally, the transmission assembly shell strain detection testing device further includes control unit；
Described control unit is arranged to be used for acquiring the output torque and strain biography that the torque sensor measures
The dependent variable that sensor measures.
Optionally, described control unit is also configured to the output torque for controlling the hydraulic drive mechanism.
The transmission assembly shell strain detection testing device of the disclosure is using output end lockable mechanism locking transmission assembly
Two output shafts of differential mechanism, gearbox be less prone to it is counter drag problem, the input terminal of transmission assembly can rapidly add torque
It is loaded onto target value, and the intensity use demand of transmission assembly can be met.In addition, the transmission assembly shell of the disclosure strains
Test device only needs to control the output of hydraulic drive mechanism, and control is simple, easy to implement.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the structural schematic diagram of the transmission assembly shell strain detection testing device embodiment of the disclosure.
Fig. 2 is that the structure of the output end lockable mechanism embodiment of the transmission assembly shell strain detection testing device of the disclosure is shown
It is intended to.
It is indicated in figure as follows:
Hydraulic drive mechanism -1, hydraulic drive unit -11, gear-driven assembly -12, output end lockable mechanism -2, pedestal -
21, runing rest slot -210, locking part -22, locking hole -220, runing rest -23, torque sensor -3, strain transducer -4,
Transmission assembly -01, gearbox -011, differential mechanism -012, shell -013.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
As depicted in figs. 1 and 2, the transmission assembly shell strain detection testing device of the disclosure includes 1 He of hydraulic drive mechanism
Two output end lockable mechanisms 2.
Hydraulic drive mechanism 1 can be fixedly connected with the input shaft of the gearbox 011 of transmission assembly 01.It that is to say, it is hydraulic
Driving mechanism 1 can be fixedly connected with the input terminal of transmission assembly 01.Hydraulic drive mechanism 1 may be, for example, hydraulic cylinder etc..Liquid
Being fixedly connected between pressure driving mechanism 1 and the input shaft of gearbox 011 can be realized by the modes such as welding or being bolted.When
When hydraulic drive mechanism 1 works, the input shaft of gearbox 011 rotates.
Two output end lockable mechanisms 2 can match respectively with two output shafts of the differential mechanism 012 of transmission assembly 01,
With the output shaft for the differential mechanism 012 that locks.It that is to say, output end lockable mechanism 2 can be matched with the output end of transmission assembly 01.
By output end lockable mechanism 2, two output ends of differential mechanism 012 can be locked.Output end lockable mechanism 2 and differential mechanism
Cooperation between 012 output shaft may be, for example, fixing or build-in etc..
Output end lockable mechanism 2 includes pedestal 21 and locking part 22.Locking part 22 is equipped with the output shaft with differential mechanism 012
The locking hole 220 of spline fitted.In general, external splines can be equipped on the output shaft of differential mechanism 012, it can on the inner wall of locking hole 220
Equipped with internal spline, by the cooperation of internal spline and external splines, the output shaft of differential mechanism 012 can be locked by output end lockable mechanism 2,
So that the output shaft of differential mechanism 012 stops operating.When it is implemented, locking part 22 can have the knot such as block structure or column structure
Structure.
The transmission assembly shell strain detection testing device of the disclosure is using the locking transmission assembly 01 of output end lockable mechanism 2
Differential mechanism 012 two output shafts, gearbox 011 be less prone to it is counter drag problem, the input terminal of transmission assembly 01 can be quick
Torque is loaded onto target value by ground, and can meet the intensity use demand of transmission assembly 01.In addition, the gearbox of the disclosure
Assembly shell strain detection testing device only needs to control the output of hydraulic drive mechanism 2, and control is simple, easy to implement.
In one embodiment of disclosure transmission assembly shell strain detection testing device, hydraulic drive mechanism 1 includes liquid
Press driving unit 11.Hydraulic drive unit 11 can be directly fixedly connected with the input shaft of gearbox 011.
Further, in order to improve hydraulic drive mechanism 1 power output stability and reliability, hydraulic drive mechanism
1 further includes gear-driven assembly 12.The power output end of hydraulic drive unit 11 passes through gear-driven assembly 12 and gearbox 011
Input shaft be fixedly connected.Gear-driven assembly 12 can be usually made of multiple gears and/or rack gear, by multiple gears and/
Or the engaged transmission between rack gear, the input terminal of gearbox 011 can be driven according to design requirement.
In one embodiment of the transmission assembly shell strain detection testing device of the disclosure, output end lockable mechanism 2 is also
Including runing rest 23.Runing rest 23 and pedestal 21 are hinged, and locking part 22 is fixedly connected with runing rest 23.Runing rest 23
Be provided with and be conducive to more easily adjust the relative position between locking part 22 and the output shaft of differential mechanism 012.Locking part 22 with
Being fixedly connected between runing rest 23 can be realized by the modes such as welding or being integrally formed.
Further, in order to preferably store runing rest 23 and adjust locking part 22 and differential mechanism 012 output shaft
Between relative position, pedestal 21 be equipped with runing rest slot 210.The shape of runing rest slot 210 is outer with runing rest 23
Profile is adapted.Runing rest 23 is convenient to rotate towards the direction of pedestal 21, and is convenient to be accommodated in runing rest slot
In 210.
In one embodiment of the transmission assembly shell strain detection testing device of the disclosure, the strain of transmission assembly shell
Test device further includes torque sensor 3 and strain transducer 4.
Torque sensor 3 can detect the output torque of hydraulic drive mechanism 1.Strain transducer 4 can detect transmission assembly
The dependent variable of 01 shell 013.Pass through setting torque sensor 3 and strain transducer 4, the test of transmission assembly shell dependent variable
Device can more easily test the strain property of shell 013.
Further, in order to more easily test the strain property of shell 013, transmission assembly shell strain detection testing device
It further include control unit (not shown).Control unit can acquire the output torque and strain sensing that torque sensor 3 measures
The dependent variable that device 4 measures.Control unit may be, for example, ECU etc..
Further, the output torque of the also controllable hydraulic drive mechanism 1 of control unit.In this way, passing through control unit
The output torque of hydraulic drive mechanism 1 is controlled, and the output torque measured by control unit acquisition and recording torque sensor 3 and is answered
Become the dependent variable that sensor 4 measures, transmission assembly shell strain detection testing device can easily and effectively test the strain of shell 013
Performance.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (8)
1. a kind of transmission assembly shell strain detection testing device, which is characterized in that including hydraulic drive mechanism and two output ends
Lockable mechanism；Wherein,
The hydraulic drive mechanism is arranged to be used for being fixedly connected with the input shaft of the gearbox of transmission assembly；
Two output end lockable mechanisms are arranged to be used for distinguishing phase with two output shafts of the differential mechanism of transmission assembly
Cooperation, with the output shaft for the differential mechanism that locks；
The output end lockable mechanism includes pedestal and locking part, and the locking part is equipped with matches with the output shaft spline of differential mechanism
The locking hole of conjunction.
2. transmission assembly shell strain detection testing device according to claim 1, which is characterized in that the hydraulic driving machine
Structure includes hydraulic drive unit.
3. transmission assembly shell strain detection testing device according to claim 2, which is characterized in that the hydraulic driving machine
Structure further includes gear-driven assembly；
The power output end of the hydraulic drive unit is fixedly connected by the gear-driven assembly with the input shaft of gearbox.
4. transmission assembly shell strain detection testing device according to claim 1, which is characterized in that the output end locking
Mechanism further includes runing rest；
The runing rest and the pedestal are hinged, and the locking part is fixedly connected with the runing rest.
5. transmission assembly shell strain detection testing device according to claim 4, which is characterized in that the pedestal is equipped with
The shape of runing rest slot, the runing rest slot is adapted with the outer profile of the runing rest.
6. according to claim 1 to transmission assembly shell strain detection testing device described in 5 any one, which is characterized in that institute
Stating transmission assembly shell strain detection testing device further includes torque sensor and strain transducer；
The torque sensor is arranged to be used for detecting the output torque of the hydraulic drive mechanism；
The strain transducer is arranged to be used for the dependent variable of the shell of detection transmission assembly.
7. transmission assembly shell strain detection testing device according to claim 6, which is characterized in that the transmission assembly
Shell strain detection testing device further includes control unit；
Described control unit is arranged to be used for acquiring the output torque and the strain transducer that the torque sensor measures
The dependent variable measured.
8. transmission assembly shell strain detection testing device according to claim 7, which is characterized in that described control unit is also
It is arranged to be used for controlling the output torque of the hydraulic drive mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307485.3A CN109269913A (en) | 2018-11-05 | 2018-11-05 | A kind of transmission assembly shell strain detection testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307485.3A CN109269913A (en) | 2018-11-05 | 2018-11-05 | A kind of transmission assembly shell strain detection testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109269913A true CN109269913A (en) | 2019-01-25 |
Family
ID=65191920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811307485.3A Pending CN109269913A (en) | 2018-11-05 | 2018-11-05 | A kind of transmission assembly shell strain detection testing device |
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| Country | Link |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4593556A (en) * | 1984-11-14 | 1986-06-10 | Wehr James R | Tester for lock up torque converters |
| JPH06308003A (en) * | 1993-04-28 | 1994-11-04 | Hitachi Chem Co Ltd | Bending-torsion fatigue tester for golf shaft |
| CN101021449A (en) * | 2007-03-07 | 2007-08-22 | 广州市花都全球自动变速箱有限公司 | Torque testboard |
| CN204495554U (en) * | 2015-03-21 | 2015-07-22 | 盛瑞传动股份有限公司 | A kind of automatic gear-box stable state durability test apparatus |
| CN206530514U (en) * | 2017-02-13 | 2017-09-29 | 合一电器(深圳)有限公司 | A kind of foldable fan |
| CN206593847U (en) * | 2017-03-27 | 2017-10-27 | 重庆理工大学 | Gear box casing deformation test system |
| CN107389345A (en) * | 2017-08-22 | 2017-11-24 | 宁夏大学 | A kind of automatic transmission test bench |
-
2018
- 2018-11-05 CN CN201811307485.3A patent/CN109269913A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4593556A (en) * | 1984-11-14 | 1986-06-10 | Wehr James R | Tester for lock up torque converters |
| JPH06308003A (en) * | 1993-04-28 | 1994-11-04 | Hitachi Chem Co Ltd | Bending-torsion fatigue tester for golf shaft |
| CN101021449A (en) * | 2007-03-07 | 2007-08-22 | 广州市花都全球自动变速箱有限公司 | Torque testboard |
| CN204495554U (en) * | 2015-03-21 | 2015-07-22 | 盛瑞传动股份有限公司 | A kind of automatic gear-box stable state durability test apparatus |
| CN206530514U (en) * | 2017-02-13 | 2017-09-29 | 合一电器(深圳)有限公司 | A kind of foldable fan |
| CN206593847U (en) * | 2017-03-27 | 2017-10-27 | 重庆理工大学 | Gear box casing deformation test system |
| CN107389345A (en) * | 2017-08-22 | 2017-11-24 | 宁夏大学 | A kind of automatic transmission test bench |
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| PB01 | Publication | ||
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 No. 669 Shixin Road, Taohua Industrial Park, Hefei City, Anhui Province Applicant before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190125 |