CN112098114A - Design method of universal platform for automobile power assembly performance test - Google Patents
Design method of universal platform for automobile power assembly performance test Download PDFInfo
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- CN112098114A CN112098114A CN202010987734.9A CN202010987734A CN112098114A CN 112098114 A CN112098114 A CN 112098114A CN 202010987734 A CN202010987734 A CN 202010987734A CN 112098114 A CN112098114 A CN 112098114A
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- automobile power
- power assembly
- universal platform
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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
Abstract
The invention relates to the technical field of automobile power testing, in particular to a universal platform for automobile power assembly performance testing, which comprises an installation base, a battery simulator and a controller, wherein a displacement mechanism is arranged on the installation base, a height adjusting mechanism is arranged above the displacement mechanism, a clamp mechanism is arranged on the height adjusting mechanism, and a first output dynamometer and a second output dynamometer are respectively arranged on two sides of the installation base; the design method of the universal platform for the automobile power assembly performance test is used for installing the automobile power assembly. During test work, each electric telescopic rod can be controlled by the controller to adjust the inclination of the automobile power assembly, so that the fluctuation deflection phenomenon generated by longitudinal and transverse movement in the actual driving process can be simulated, and the influence of road influence factors on the performance of the automobile power assembly can be calculated.
Description
Technical Field
The invention relates to the technical field of automobile power tests, in particular to a design method of a universal platform for automobile power assembly performance tests.
Background
The continuous and rapid development of economy makes the problems of energy shortage, environmental pollution and the like increasingly prominent, and the acceleration of the cultivation and the development of a high-efficiency new automobile technology is an important strategic measure in the automobile industry. In the research and development process of automobiles, bench tests are an indispensable link. Although the test stand is difficult to accurately simulate the actual road running condition of the automobile, the variation trend of the power load is basically consistent with the road condition. Automotive transmissions are an important part of an automotive transmission system. The automobile speed change system is one of key parts influencing the dynamic performance and the comfort performance of the automobile, the internal automobile transmission industry is in the stage of rapid development, and the automobile power assembly performance test general platform and the design method thereof can accelerate the research and development process of the automobile speed change system.
Most of the design methods of the automobile power assembly performance test platform applied at the present stage fix all devices of the test platform on a ground flat iron, and the performance test of the automobile power assembly is performed on the basis, and the factors of longitudinal and transverse movement of all the devices of the test platform and the like are not considered, so that the designed automobile power assembly performance test platform is lack of universality. The design method of the automobile power assembly performance test platform applied at the present stage mostly adopts the electric inertia to simulate the rotational inertia of the running of the automobile, and most of the design methods have the defects of slow effect, complex control and limitation of the simulation inertia by the capacity of a motor.
Disclosure of Invention
The invention aims to solve the technical problem of providing a design method of a universal platform for a performance test of an automobile power assembly, which can simulate the uneven condition of a road and test the performance of the automobile power assembly under different road conditions.
In order to solve the technical problems, the invention adopts the following technical scheme:
the universal platform for the performance test of the automobile power assembly comprises an installation base, a battery simulator and a controller, wherein a displacement mechanism is arranged on the installation base, a height adjusting mechanism is arranged above the displacement mechanism, a clamp mechanism is arranged on the height adjusting mechanism, and a first output dynamometer and a second output dynamometer are respectively arranged on two sides of the installation base;
the fixture mechanism comprises a fixed base plate, a plurality of first threaded holes are formed in the fixed base plate, limiting rings are arranged at two ends of the fixed base plate respectively, buffer protection plates are arranged at two side edges of the fixed plate respectively, a fixed strip is further arranged on the fixed base plate, and two ends of the fixed strip are connected with the first threaded holes through bolts; the fixing base is provided with a horizontal tester, the height adjusting mechanism comprises a plurality of electric telescopic supporting rods, one ends of the electric telescopic supporting rods are fixedly connected with the lower surface of the fixing base plate, the other ends of the electric telescopic supporting rods are connected with the displacement mechanism in a sliding mode, each electric telescopic rod is electrically connected with the controller, and the horizontal tester is electrically connected with the controller.
Preferably, the displacement mechanism comprises a plurality of slide rails arranged in parallel on the mounting seat, at least two electric sliding blocks are embedded in each slide rail in a sliding manner, one electric telescopic supporting rod is fixedly arranged on one electric sliding block, and the electric sliding blocks are electrically connected with the controller.
Preferably, a plurality of second threaded holes are uniformly formed in the fixing strip at intervals.
Preferably, the limiting ring comprises an annular ring, a support is arranged below the annular ring, a third threaded hole is formed in the support, and the third threaded hole is connected with the first threaded hole through a bolt.
Preferably, the level tester comprises a first level tester and a second level tester, and the first level tester and the second level tester are vertically installed.
Preferably, the lower surface of the mounting base is fixedly provided with a caster wheel.
The design method of the universal platform for the automobile power assembly performance test comprises the following steps of installing the automobile power assembly with any type on the universal platform:
s1, placing the mounting base at a designated position of the test room, placing the automobile power assembly on a fixed bottom plate, fixing the automobile power assembly by using a fixing strip, selecting a proper second threaded hole on the fixing strip, and fixedly connecting the second threaded hole with the first threaded hole on the fixed bottom plate through a bolt;
s2, sleeving the annular ring of the limiting ring at two ends of the automobile power assembly, and then fixedly connecting the third threaded hole in the support with the first threaded hole in the fixed bottom plate through a bolt;
s3, a spongy cushion is placed between the buffer protection board and the automobile power assembly to play a role in protection;
and S4, connecting the automobile power assembly with the first output dynamometer and the second output dynamometer, connecting other test sensors and a tester, and finally connecting the battery simulator and the controller.
Preferably, the automobile power assembly is installed on the universal platform and then the road condition is simulated for testing, and the testing method comprises the following steps: the controller respectively controls each electric telescopic rod to do telescopic motion, longitudinal and transverse movement of a vehicle is simulated in the driving process, the first horizontal tester and the second horizontal tester respectively test the fluctuation angles in two vertical directions, the fluctuation angles are fed back to the controller to carry out data measurement, and influences of different road conditions on various performances of the automobile power assembly are calculated.
The invention has the beneficial effects that:
in an actual use situation, during testing work, each electric telescopic rod can be controlled by the controller to adjust the inclination of the automobile power assembly respectively, so that the fluctuation deflection phenomenon generated by longitudinal and transverse movement in the actual driving process is simulated, and the influence of road influence factors on the performance of the automobile power assembly is calculated.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
reference numerals:
1-installing a base; 11-fomes castors; 2-a displacement mechanism; 21-a slide rail; 22-an electric slider; 3-electric telescopic supporting rod; 4-a clamping mechanism; 41-fixing the bottom plate; 42-a first threaded hole; 43-a spacing collar; 431-annular ring; 432-a support; 433-a third threaded hole; 44-a buffer protection plate; 45-fixing strips; 451-a second threaded hole; 5-a first output dynamometer; 6-a second output dynamometer.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
As shown in fig. 1, the universal platform for the performance test of the automobile power assembly comprises an installation base 1, a battery simulator and a controller, wherein a displacement mechanism 2 is arranged on the installation base 1, a height adjusting mechanism is arranged above the displacement mechanism 2, a clamp mechanism 4 is arranged on the height adjusting mechanism, and a first output dynamometer 5 and a second output dynamometer 6 are respectively arranged on two sides of the installation base 1; the fixture mechanism 4 comprises a fixed base plate 41, wherein a plurality of first threaded holes 42 are formed in the fixed base plate 41, two ends of the fixed base plate 41 are respectively provided with a limiting ring 43, two side edges of the fixed plate 41 are respectively provided with a buffer protection plate 44, the fixed base plate 41 is also provided with a fixed strip 45, and two ends of the fixed strip 45 are connected with the first threaded holes 42 through bolts; be equipped with horizontal tester 46 on unable adjustment base 41, height adjusting mechanism includes a plurality of electric telescopic strut 3, electric telescopic strut 3 one end with PMKD 41's lower fixed surface is connected, electric telescopic strut 3's the other end with displacement mechanism 2 sliding connection, each electric telescopic strut 3 all with the controller electricity is connected, horizontal tester 46 with the controller electricity is connected.
In this embodiment, when the automobile power assembly is installed, the installation base 1 is placed at a designated position of a test room, the automobile power assembly is placed on the fixed base plate 41, the automobile power assembly is fixed by the fixing strip 45, and the fixing strip 45 is fixedly connected with the first threaded hole 42 on the fixed base plate 41 through a bolt; then, the limiting ring 43 is sleeved at two ends of the automobile power assembly for limiting, then the limiting ring 43 is fixedly connected with the first threaded hole 42 on the fixed bottom plate 41, and a spongy cushion is placed between the buffer protection plate 44 and the automobile power assembly to play a role in protection; connecting the automobile power assembly with the first output dynamometer 5 and the second output dynamometer 6, connecting other test sensors and a tester at the same time, and finally connecting a battery simulator and a controller; during testing, the controller respectively controls each electric telescopic rod 3 to do telescopic motion to simulate longitudinal and transverse deviation of a vehicle in the driving process, the level tester 46 tests the fluctuation angles in two vertical directions, feeds the fluctuation angles back to the controller for data measurement and calculation, and calculates the influence of different road conditions on various performances of the automobile power assembly. The test carried out by utilizing the platform can simulate various performances of the automobile power assembly under different road conditions more truly.
As shown in fig. 1, the displacement mechanism 2 includes a plurality of slide rails 21 arranged in parallel on the mounting base 1, at least two electric sliders 22 are slidably embedded in each slide rail 21, one electric telescopic strut 3 is fixedly mounted on one electric slider 22, and the electric slider 22 is electrically connected with the controller; in this embodiment, the electric slider 22 can control the whole mechanism to move left and right in the horizontal direction, and each electric telescopic rod 3 is controlled by the controller respectively, so that the automobile control assembly can simulate the longitudinal deviation condition of automobile road running, and the test scene simulation is completed by combining the displacement in the horizontal direction.
As shown in fig. 1, a plurality of second threaded holes 451 are uniformly arranged on the fixing strip 45 at intervals; in this embodiment, the second screw holes 451 can facilitate mounting and fixing of automobile power assemblies of different models.
As shown in fig. 1, the limiting ring 43 includes an annular ring 431, a support 432 is arranged below the annular ring 431, a third threaded hole 433 is formed in the support 432, and the third threaded hole 433 is connected with the first threaded hole 42 through a bolt; in this embodiment, spacing collar 43 is used for spacing the front and back of automobile power assembly, takes place to sideslip when preventing to take place vertical and lateral shifting in the test procedure, influences the test result.
As shown in fig. 1, the horizontal tester 46 includes a first horizontal tester 461 and a second horizontal tester 462, and the first horizontal tester 461 and the second horizontal tester 462 are vertically installed; in this embodiment, the first level tester 461 and the second level tester 462 are vertically installed, and can respectively measure horizontal offset angles in two directions perpendicular to each other, and are used as data representation of longitudinal and lateral offsets in the test.
As shown in fig. 1, a horseshoe 11 is fixedly mounted on the lower surface of the mounting base 1; in this embodiment, the fox castor 11 can adjust whether the mounting base 1 is horizontal or not, so as to prevent the mounting base 1 from being uneven and influencing test data.
The specific testing process is carried out by combining the prior art, and the above adjustment is carried out on the test of the prior art: by changing the height of the electric telescopic rod 3, the measurement readings of the first level tester 461 and the second level tester 462 are recorded respectively, the dynamic property, the vibration, the noise and the exhaust emission performance of the automobile power assembly are tested in different reading states, the dynamic property, the vibration, the noise and the exhaust emission performance of the automobile power assembly in a horizontal state are selected as a control group of an experiment to be tested, and then a state curve is made for data analysis.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (8)
1. Automobile power assembly performance test universal platform, including installation base (1), battery simulator and controller, its characterized in that: a displacement mechanism (2) is arranged on the mounting base (1), a height adjusting mechanism is arranged above the displacement mechanism (2), a clamp mechanism (4) is arranged on the height adjusting mechanism, and a first output dynamometer (5) and a second output dynamometer (6) are respectively arranged on two sides of the mounting base (1);
the clamp mechanism (4) comprises a fixed base plate (41), a plurality of first threaded holes (42) are formed in the fixed base plate (41), limiting rings (43) are arranged at two ends of the fixed base plate (41) respectively, buffer protection plates (44) are arranged on two side edges of the fixed plate (41) respectively, a fixed strip (45) is further arranged on the fixed base plate (41), and two ends of the fixed strip (45) are connected with the first threaded holes (42) through bolts; be equipped with horizontal tester (46) on unable adjustment base (41), height adjusting mechanism includes a plurality of electric telescopic branch (3), the one end of electric telescopic branch (3) with the lower fixed surface connection of PMKD (41), the other end of electric telescopic branch (3) with displacement mechanism (2) sliding connection, each electric telescopic handle (3) all with the controller electricity is connected, horizontal tester (46) with the controller electricity is connected.
2. The vehicle powertrain performance testing universal platform of claim 1, characterized in that: displacement mechanism (2) including parallel arrangement in a plurality of slide rails (21) on mount pad (1), each slide rail (21) sliding fit is equipped with two at least electronic sliders (22), one electronic telescopic support rod (3) fixed mounting in one on electronic slider (22), electronic slider (22) with the controller electricity is connected.
3. The vehicle powertrain performance testing universal platform of claim 1, characterized in that: a plurality of second threaded holes (451) are uniformly formed in the fixing strip (45) at intervals.
4. The vehicle powertrain performance testing universal platform of claim 1, characterized in that: the limiting ring (43) comprises an annular ring (431), a support (432) is arranged below the annular ring (431), a third threaded hole (433) is formed in the support (432), and the third threaded hole (433) is connected with the first threaded hole (42) through a bolt.
5. The vehicle powertrain performance testing universal platform of claim 1, characterized in that: the horizontal tester (46) comprises a first horizontal tester (461) and a second horizontal tester (462), and the first horizontal tester (461) and the second horizontal tester (462) are vertically installed.
6. The vehicle powertrain performance testing universal platform of claim 1, characterized in that: the lower surface of the mounting base (1) is fixedly provided with a horse caster (11).
7. The design method of the universal platform for the automobile power assembly performance test according to the claims 1-6, characterized in that: the steps of installing the automobile power assembly with any type on the universal platform are as follows:
s1, placing the mounting base (1) at a designated position of a test room, placing the automobile power assembly on a fixed bottom plate (41), fixing the automobile power assembly by using a fixing strip (45), selecting a proper second threaded hole (451) on the fixing strip (45), and fixedly connecting the proper second threaded hole with a first threaded hole (42) on the fixed bottom plate (41) through a bolt;
s2, sleeving the annular ring (431) of the limiting ring (43) at two ends of the automobile power assembly, and then fixedly connecting the third threaded hole (433) on the support (432) with the first threaded hole (42) on the fixed base plate (41) through a bolt;
s3, a spongy cushion is placed between the buffer protection plate (44) and the automobile power assembly to play a protection role;
and S4, connecting the automobile power assembly with the first output dynamometer (5) and the second output dynamometer (6), connecting other test sensors and a tester at the same time, and finally connecting a battery simulator and a controller.
8. The design method of the universal platform for the automobile power assembly performance test according to the claims 1-6, characterized in that: the automobile power assembly is installed on the general platform and then the road condition is simulated for testing, and the testing method comprises the following steps: the controller respectively controls each electric telescopic rod (3) to do telescopic motion to simulate longitudinal and transverse movement of a vehicle in the driving process, the first horizontal tester (461) and the second horizontal tester (462) respectively test fluctuation angles in two vertical directions, the fluctuation angles are fed back to the controller to perform data measurement and calculation, and influences of different road conditions on various performances of the automobile power assembly are calculated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010987734.9A CN112098114A (en) | 2020-09-18 | 2020-09-18 | Design method of universal platform for automobile power assembly performance test |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010987734.9A CN112098114A (en) | 2020-09-18 | 2020-09-18 | Design method of universal platform for automobile power assembly performance test |
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| CN112098114A true CN112098114A (en) | 2020-12-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237657A (en) * | 2021-05-25 | 2021-08-10 | 江苏科技大学 | Pure electric vehicles automatic gearbox circulating oil testing arrangement |
| CN113310568A (en) * | 2021-05-26 | 2021-08-27 | 中国汽车工程研究院股份有限公司 | Automobile sealing strip abnormal sound testing arrangement |
| CN115493858A (en) * | 2022-11-16 | 2022-12-20 | 浙江凌昇动力科技有限公司 | Measuring device and measuring method for attitude angle of automobile power assembly |
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| CN101923006A (en) * | 2010-09-24 | 2010-12-22 | 重庆长安汽车股份有限公司 | Test bed for pure electric vehicle power assembly |
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| CN202994463U (en) * | 2012-12-28 | 2013-06-12 | 四川诚邦测控技术有限公司 | Tiltable-type gearbox test system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237657A (en) * | 2021-05-25 | 2021-08-10 | 江苏科技大学 | Pure electric vehicles automatic gearbox circulating oil testing arrangement |
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| CN115493858A (en) * | 2022-11-16 | 2022-12-20 | 浙江凌昇动力科技有限公司 | Measuring device and measuring method for attitude angle of automobile power assembly |
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Application publication date: 20201218 |
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