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 PDF

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Publication number
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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CN
China
Prior art keywords
shaft
decelerator
rotating speed
driving
frequency control
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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
Application number
CN201710995423.5A
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Chinese (zh)
Inventor
龙振新
蔡文斌
雷强顺
周宁宁
杨欣
王永丽
张春生
陈亚龙
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China North Vehicle Research Institute
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China North Vehicle Research Institute
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Application filed by China North Vehicle Research Institute filed Critical China North Vehicle Research Institute
Priority to CN201710995423.5A priority Critical patent/CN107782568A/en
Publication of CN107782568A publication Critical patent/CN107782568A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00Testing of vehicles
    • G01M17/007Wheeled or endless-tracked vehicles
    • G01M17/03Endless-tracks

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

A kind of method of testing of crawler travel device power attenuation
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.
CN201710995423.5A 2017-10-23 2017-10-23 A kind of method of testing of crawler travel device power attenuation Pending CN107782568A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
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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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
CN202793662U (en) * 2012-09-18 2013-03-13 济南新凌志检测技术有限公司 Crawler-type power measuring system for engineering equipment
CN103287517A (en) * 2013-06-27 2013-09-11 中国北方车辆研究所 Deformation track type small-sized mobile system
CN104897414A (en) * 2015-06-10 2015-09-09 安徽安凯汽车股份有限公司 Test system for testing comprehensive performance of eddy current retarder and test method thereof
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
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

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN202793662U (en) * 2012-09-18 2013-03-13 济南新凌志检测技术有限公司 Crawler-type power measuring system for engineering equipment
CN103287517A (en) * 2013-06-27 2013-09-11 中国北方车辆研究所 Deformation track type small-sized mobile system
CN104897414A (en) * 2015-06-10 2015-09-09 安徽安凯汽车股份有限公司 Test system for testing comprehensive performance of eddy current retarder and test method thereof
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
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

Cited By (3)

* Cited by examiner, † Cited by third party
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