CN107782568A - A kind of method of testing of crawler travel device power attenuation - Google Patents
A kind of method of testing of crawler travel device power attenuation Download PDFInfo
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- CN107782568A CN107782568A CN201710995423.5A CN201710995423A CN107782568A CN 107782568 A CN107782568 A CN 107782568A CN 201710995423 A CN201710995423 A CN 201710995423A CN 107782568 A CN107782568 A CN 107782568A
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- shaft
- decelerator
- rotating speed
- driving
- frequency control
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/03—Endless-tracks
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention belongs to testing method technical field, and in particular to a kind of method of testing of the power stream closed type power attenuation of tracked propulsor.In the method for testing, the power set of experimental rig are used as by the use of frequency control motor, by the use of experimental rig front end rotating speed and torque sensor as experimental rig measurement apparatus, it is mainly used under different crawler belt pre-tensioning states, test out the power attenuation of tracked propulsor, the design that tracked propulsor power attenuation is improved for research and development provides foundation, solves the problems, such as that tracked propulsor power attenuation lacks test method.
Description
Technical field
The invention belongs to experiment test device technical field, and in particular to a kind of power stream closed type work(of tracked propulsor
The method of testing of rate loss.
Background technology
At present, the power attenuation of domestic endless-track vehicle tracked propulsor is being carried out without the testing method of correlation
It is to quote external experimental test data mostly during correlative study, and the domestic tracked propulsor configuration aspects with foreign countries are deposited
In different, cause the data reliability for quoting foreign countries not high, therefore need a kind of survey of tracked propulsor power attenuation badly
Method for testing, for the size of the power attenuation of experimental test tracked propulsor, to improve tracked propulsor power attenuation
Research level.
The content of the invention
(1) technical problems to be solved
The technical problem to be solved in the present invention is：How one kind is provided and is used for endless-track vehicle tracked propulsor power attenuation
Method of testing.
(2) technical scheme
In order to solve the above-mentioned technical problem, the invention provides a kind of method of testing of tracked propulsor power attenuation,
The test device for using the method for testing use when tracked propulsor is tested by the power attenuation of test specimen includes：Become frequency modulation
Speed motor 1, driving-shaft assembly 2, decelerator 3；The tracked propulsor includes two driving wheels, 5, two bogie wheels by test specimen
6, two carrier wheels 7 and some crawler belts 8；
The first shaft coupling of the output shaft joint transmission axle assembly 2 of the frequency control motor 1；
The driving-shaft assembly 2 includes：Main shaft and the first shaft coupling coupled successively by the main shaft, rotating speed and
Torque sensor, second shaft coupling, electromagnetic clutch, the 3rd shaft coupling, the input of the 3rd shaft coupling connection decelerator 3
Axle；Rotating speed and torque sensor are used to measure the rotating speed and moment of torsion in whole test device running；
First shaft coupling in the driving-shaft assembly 2 couples the frequency control motor 1 and rotating speed and torque sensing
Device；Second shaft coupling in the driving-shaft assembly 2 couples the electromagnetic clutch, and rotating speed and torque sensor；
Electromagnetic clutch in the driving-shaft assembly 2 is used to separate and with reference to frequency control motor 1 and decelerator 3；
The 3rd shaft coupling in the driving-shaft assembly 2 couple the electromagnetic clutch and, the input shaft of decelerator 3；
The decelerator 3 is single input axle, the tooth-like body structure of double output shaft shunting two-stage herringbone；The decelerator 3
Two output shafts couple tracked propulsor respectively by two driving wheels 5 of test specimen；
The input shaft of the frequency control motor 1, the main shaft of driving-shaft assembly 2, the input shaft three of decelerator 3 are coaxial
Line；
The tracked propulsor is by height and heavy burden that the tensile force regulation of test specimen is by adjusting two carrier wheels 7
What the position of wheel 6 was realized.
The method of testing comprises the following steps：The power attenuation P of whole test device is tested out first1=M1ω, wherein
M1For the moment of torsion of the output shaft of frequency control motor 1 measured by the rotating speed and torque sensor, ω is by the rotating speed and torsion
The rotating speed for the output shaft of frequency control motor 1 that square sensor measures；Next to that by tracked propulsor by two actives of test specimen
Wheel 5 is disconnected, and the power consumption P of decelerator 3 itself is tested under identical speed conditions2=M2ω, wherein M2For by the rotating speed
The moment of torsion of the output shaft of frequency control motor 1 measured with torque sensor, so as to obtain tracked propulsor by the power of test specimen
P=P is lost1-P2。
Preferably, the test device also includes mud groove 4, and the tracked propulsor is installed on the inner surface of mud groove 4
By test specimen.
Preferably, the decelerator 3 is fitted on the inner surface of mud groove 4.
Preferably, the double output shaft double reduction ratio of the decelerator 3 is respectively set to i1=1, i2=4.
(3) technique effect
The present invention provides a kind of method of testing for tracked propulsor power stream closed type power attenuation, in the test side
In method, by the use of frequency control motor as the power set of experimental rig, the rotating speed and torque sensing of experimental rig front end are utilized
Measurement apparatus of the device as experimental rig, it is mainly used under different crawler belt pre-tensioning states, tests out crawler belt propulsion
The power attenuation of device, the design that tracked propulsor power attenuation is improved for research and development provide foundation, solve crawler belt and promote dress
Put the problem of power attenuation lacks test method.
Brief description of the drawings
Fig. 1 is the test device that includes needed for present invention test and by test specimen structural representation；
Fig. 2 is that the mud groove of test device removes the front view after the drive end bearing bracket of mud groove front；
Fig. 3 is the gear drive relation schematic diagram of the decelerator of test device.
Wherein,
1- frequency control motors；2- driving-shaft assemblies；3- decelerators；4- mud grooves；5- driving wheels；6- bogie wheels；7- is entrusted
Wheel；8- crawler belts；
201st, 202,203,204,205 be double helical spurgear.
Embodiment
To make the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to the tool of the present invention
Body embodiment is described in further detail.
As shown in figure 1, the invention provides a kind of method of testing of tracked propulsor power attenuation, this method is to exert oneself
The power attenuation of closed test method test tracked propulsor is flowed, the crawler belt under different tensile force states can be tested out
The power consumption of propulsion plant, obtained test data can be used for the stand contrast test of tracked propulsor power attenuation,
Realize the purpose of tracked propulsor power attenuation research.Tracked propulsor is carried out by the power of test specimen using the method for testing
The test device used during loss test includes：Frequency control motor 1, driving-shaft assembly 2, decelerator 3, mud groove 4；
The first shaft coupling of the output shaft joint transmission axle assembly 2 of the frequency control motor 1；
The driving-shaft assembly 2 includes：Main shaft and the first shaft coupling coupled successively by the main shaft, rotating speed and
Torque sensor, second shaft coupling, electromagnetic clutch, the 3rd shaft coupling, the input of the 3rd shaft coupling connection decelerator 3
Axle；Rotating speed and torque sensor are used to measure the rotating speed and moment of torsion in whole test device running；
First shaft coupling in the driving-shaft assembly 2 couples the frequency control motor 1 and rotating speed and torque sensing
Device；Second shaft coupling in the driving-shaft assembly 2 couples the electromagnetic clutch, and rotating speed and torque sensor；
Electromagnetic clutch in the driving-shaft assembly 2 is used to separate and with reference to frequency control motor 1 and decelerator 3；
The 3rd shaft coupling in the driving-shaft assembly 2 couple the electromagnetic clutch and, the input shaft of decelerator 3,
As shown in Figure 2；
As shown in Fig. 2 the tracked propulsor also includes two driving wheels, 5, two bogie wheels 6, two supports by test specimen
Belt wheel 7 and some crawler belts 8, it is prior art by the structure of test specimen.
The decelerator 3 is single input axle, the tooth-like body structure of double output shaft shunting two-stage herringbone；The decelerator 3
Two output shafts couple tracked propulsor respectively by two driving wheels 5 of test specimen, as shown in Figure 3；
The input shaft of the frequency control motor 1, the main shaft of driving-shaft assembly 2, the input shaft three of decelerator 3 are coaxial
Line；
The tracked propulsor is installed by test specimen on the inner surface of mud groove 4；
The decelerator 3 is fitted on the inner surface of mud groove 4；
The double output shaft double reduction ratio of the decelerator 3 is respectively set to i1=1, i2=4.
The tracked propulsor is height by adjusting two carrier wheels 7 and two by the tensile force regulation of test specimen
What the position of bogie wheel 6 was realized.
The method of testing comprises the following steps：The power attenuation P of whole test device is tested out first1=M1ω, wherein
M1For the moment of torsion of the output shaft of frequency control motor 1 measured by the rotating speed and torque sensor, ω is by the rotating speed and torsion
The rotating speed for the output shaft of frequency control motor 1 that square sensor measures；Next to that by tracked propulsor by two actives of test specimen
Wheel 5 is disconnected, and the power consumption P of decelerator 3 itself is tested under identical speed conditions2=M2ω, wherein M2For by the rotating speed
The moment of torsion of the output shaft of frequency control motor 1 measured with torque sensor, so as to obtain tracked propulsor by the power of test specimen
P=P is lost1-P2。
The present invention compared with prior art, possesses following feature：
1st, power input and the adjustment of rotational speed of tracked propulsor are tested
After installation, when being tested, it is used as and is tried by frequency control motor in mud groove in subject tracked propulsor
The power set of experiment device, while the rotating speed of frequency control motor can be can adjust as needed, so as to change whole experimental rig
Velocity of rotation.
2nd, it is by adjusting two carrier wheel height and bearing in the tensile force of the tracked propulsor in simulating real vehicle
The position of roller is different and regulation to realize being tensioned for crawler belt.
Based on features described above, the power that the present invention can test out the tracked propulsor under different tensile force states disappears
Consumption, obtained test data can be used for the stand contrast test of tracked propulsor power attenuation, realize tracked propulsor
The purpose of power attenuation research.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of method of testing of tracked propulsor power attenuation, it is characterised in that carry out crawler belt using the method for testing and push away
Entering the test device used when device is tested by the power attenuation of test specimen includes：Frequency control motor (1), driving-shaft assembly (2)
With decelerator (3)；The tracked propulsor includes two driving wheels (5), two bogie wheels (6), two carrier wheels by test specimen
And some crawler belts (8) (7)；
The first shaft coupling of the output shaft joint transmission axle assembly (2) of the frequency control motor (1)；
The driving-shaft assembly (2) includes：The main shaft and first shaft coupling coupled successively by the main shaft, rotating speed and torsion
Square sensor, second shaft coupling, electromagnetic clutch, the 3rd shaft coupling, the input of the 3rd shaft coupling connection decelerator (3)
Axle；Rotating speed and torque sensor are used to measure the rotating speed and moment of torsion in whole test device running；
First shaft coupling in the driving-shaft assembly (2) couples the frequency control motor (1) and rotating speed and torque sensing
Device；Second shaft coupling in the driving-shaft assembly (2) couples the electromagnetic clutch, and rotating speed and torque sensor；
Electromagnetic clutch in the driving-shaft assembly (2) is used to separate and with reference to frequency control motor (1) and decelerator (3)；
The 3rd shaft coupling in the driving-shaft assembly (2) couple the electromagnetic clutch and, the input shaft of decelerator (3)；
The decelerator (3) is single input axle, the tooth-like body structure of double output shaft shunting two-stage herringbone；The decelerator (3)
Two output shafts couple tracked propulsor respectively by two driving wheels (5) of test specimen；
The input shaft of the frequency control motor (1), the main shaft of driving-shaft assembly (2), the input shaft three of decelerator (3) are coaxial
Line；
The tracked propulsor is negative by the height of two carrier wheels (7) of regulation and two by the tensile force regulation of test specimen
What the position of roller (6) was realized；
The method of testing comprises the following steps：The power attenuation P of whole test device is tested out first1=M1ω, wherein M1For
The moment of torsion of frequency control motor (1) output shaft measured by the rotating speed and torque sensor, ω are by the rotating speed and moment of torsion
The rotating speed of frequency control motor (1) output shaft that sensor measures；Next to that by tracked propulsor by two actives of test specimen
Take turns (5) to disconnect, decelerator (3) power consumption P of itself is tested under identical speed conditions2=M2ω, wherein M2For by described
The moment of torsion of frequency control motor (1) output shaft that rotating speed and torque sensor measure, so as to obtain tracked propulsor by test specimen
Power attenuation P=P1-P2。
2. the method as described in claim 1, it is characterised in that the test device also includes mud groove (4), in mud groove (4)
The tracked propulsor is installed by test specimen on inner surface.
3. method as claimed in claim 2, it is characterised in that the decelerator (3) is fitted on the inner surface of mud groove (4).
4. the method as described in claim 1 or 2 or 3, it is characterised in that the double output shaft double reduction of the decelerator (3)
Than being respectively set to i1=1, i2=4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710995423.5A CN107782568A (en) | 2017-10-23 | 2017-10-23 | A kind of method of testing of crawler travel device power attenuation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710995423.5A CN107782568A (en) | 2017-10-23 | 2017-10-23 | A kind of method of testing of crawler travel device power attenuation |
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| CN107782568A true CN107782568A (en) | 2018-03-09 |
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| CN201710995423.5A Pending CN107782568A (en) | 2017-10-23 | 2017-10-23 | A kind of method of testing of crawler travel device power attenuation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489877A (en) * | 2018-12-12 | 2019-03-19 | 中国北方车辆研究所 | A kind of road test vehicle comprehensive actuator drive chain power flow test method |
| CN110646732A (en) * | 2019-08-27 | 2020-01-03 | 上海空间推进研究所 | Solution loss test platform and method suitable for shielded motor |
| CN111706541A (en) * | 2020-07-01 | 2020-09-25 | 中国北方车辆研究所 | Method for measuring torque of cooling fan of tracked vehicle |
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| CN105785924A (en) * | 2016-04-06 | 2016-07-20 | 哈尔滨工业大学 | Method for obtaining power of main shaft system of machine tool |
| CN105928719A (en) * | 2016-04-11 | 2016-09-07 | 中国人民解放军装甲兵工程学院 | Test track walking mechanism for vehicle ground mechanics soil tank test bench |
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|---|---|---|---|---|
| JPS59187240A (en) * | 1984-03-14 | 1984-10-24 | Hitachi Ltd | Testing device for variable speed steering mechanism |
| JPH0915100A (en) * | 1995-06-30 | 1997-01-17 | Meidensha Corp | Abnormality detector for power train tester |
| CN102162759A (en) * | 2010-12-29 | 2011-08-24 | 奇瑞汽车股份有限公司 | Method and system for testing torque of electric automobile |
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| CN105372076A (en) * | 2015-12-16 | 2016-03-02 | 安徽工业大学 | Multifunctional hybrid power general test stand and test method |
| CN105785924A (en) * | 2016-04-06 | 2016-07-20 | 哈尔滨工业大学 | Method for obtaining power of main shaft system of machine tool |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489877A (en) * | 2018-12-12 | 2019-03-19 | 中国北方车辆研究所 | A kind of road test vehicle comprehensive actuator drive chain power flow test method |
| CN110646732A (en) * | 2019-08-27 | 2020-01-03 | 上海空间推进研究所 | Solution loss test platform and method suitable for shielded motor |
| CN111706541A (en) * | 2020-07-01 | 2020-09-25 | 中国北方车辆研究所 | Method for measuring torque of cooling fan of tracked vehicle |
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Application publication date: 20180309 |