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Planet car wheel testing device

A test device and planetary car technology, which is applied in wheel testing and other directions, can solve problems such as large inertia and difficult testing experiments, and achieve the effect of reducing inertia

Inactive Publication Date: 2013-07-24
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention solves the problem that the wheel pressure in the existing planetary vehicle wheel testing device is adjusted through the counterweight. For a wheel with a large wheel pressure, the system inertia is too large due to the large counterweight, and the test experiment is difficult to achieve.

Method used

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Experimental program
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specific Embodiment approach 1

[0007] Specific implementation mode one: combine figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Figure 6 , Figure 10 and Figure 11 Describe this embodiment mode, a planetary vehicle wheel testing device described in this embodiment mode, the device includes a bracket 2, a wheel frame 4, a loading mechanism 6, a trolley 5, a speed measuring and active mechanism 9 and a passive pulley mechanism 10, the Two horizontal underframes 12 are arranged on the left and right sides of the upper end of the support 2, and the two horizontal underframes 12 are respectively fixedly connected with the two ends of the two slide rails 3, and the two slide rails 3 are parallel to each other. The lower end is provided with a chute 53, the trolley 5 is arranged on the bracket 2 and the two slide rails 3 are respectively arranged in the chute 53, and the bases of the speed measuring and active mechanism 9 and the passive pulley mechanism 10 are respectively fixed on the left and ...

specific Embodiment approach 2

[0008] Specific implementation mode two: combination figure 1 , figure 2 , Figure 10 and Figure 11 Describe this embodiment, the joint of active motor 19 and coupling shaft 18 described in this embodiment is provided with gear type clutch 22, also is provided with second pulley 34 and the 3rd pulley 35 on described trolley 5, described left and right two A fourth pulley 36 and a fifth pulley 37 are respectively arranged on the horizontal underframe 12. One end of the first pulley rope 40 and the second pulley rope 41 is fixed, and the other end of the first pulley rope 40 goes around the second pulley 34 and the second pulley successively. Four pulleys 36, the other end of the second pulley rope 41 goes around the third pulley 35 and the fifth pulley 37 successively, and the free ends of the first pulley rope 40 and the second pulley rope 41 are respectively provided with the first loading block 57 and For the second loading block 58, other components and connections are...

specific Embodiment approach 3

[0009] Specific implementation mode three: combination figure 1 , Figure 8 , Figure 9 and Figure 10 Describe this embodiment, the wheel frame 4 described in this embodiment includes a driving motor 42, a counterweight balancing device 43, a wheel positioning frame 44, a six-dimensional force / moment sensor 45, a steering motor 48, a screw lifting mechanism 46 and a connecting plate 47. The wheel positioning frame 44 is an inverted "U"-shaped frame, and both ends of the wheel positioning frame 44 are provided with a wheel positioning shaft, and the wheel positioning shaft at one end of the wheel frame 4 is rotationally connected to the output end of the drive motor 42 , the counterweight balance device 43 is fixed on the wheel alignment shaft on the other side and the weight of the counterweight balance device 43 is the same as that of the drive motor 42, and the upper end of the wheel alignment frame 44 is fixedly provided with a six-dimensional force / torque sensor 45, six...

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Abstract

The invention relates to a planet car wheel testing device and belongs to the field of car wheel testing. The planet car wheel testing device solves the problem that by means of an existing planet car wheel testing device, wheel pressure is regulated through a balancing weight so that in terms of wheels with large wheel pressure, a test is difficult to perform because a lager balancing weight causes excessive system inertia. The planet car wheel testing device comprises a support frame, a wheel frame, a loading mechanism, a trolley, a speed measuring and driving mechanism and a driven belt wheel mechanism. A loading handle is connected with an input end of a worm and gear reduction gearbox. An output end of the worm and gear reduction gearbox is respectively connected with one end of each of two springs. Two first fixation rods are fixedly arranged below the other end of each of the two springs respectively. One end of each of four horizontal rods is respectively hinged with an upper end and a lower end of each of two first fixation rods in a hinged mode. The other end of each of the four horizontal rods is respectively hinged with an upper end and a lower end of each of two second fixation rods. The planet car wheel testing device is used for testing performance of planet car wheels.

Description

technical field [0001] The invention relates to a wheel testing device for planetary vehicles, which belongs to the field of wheel testing. Background technique [0002] The analysis of the mechanical characteristics of the interaction between the wheel of the planetary vehicle and the simulated planetary soil is the basis for the analysis and testing of the motion performance of the wheel of the planetary vehicle and even the whole vehicle. First, in the earth environment, study the mechanical characteristics of the wheels of the rover on the simulated planetary soil, and then compare the prediction or simulation analysis of the motion performance of the wheels on the planetary soil. In the ground environment, the analysis of the mechanical properties of the interaction between the wheel and the soil will involve the mechanical properties of the soil and the mechanical model of the interaction between the wheel and the soil. In order to know the mechanical characteristics ...

Claims

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Application Information

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IPC IPC(8): G01M17/013
Inventor 丁亮邓宗全梁忠超高海波李楠刘振
Owner HARBIN INST OF TECH
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