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 counterw

Method used

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  • Planet car wheel testing device
  • Planet car wheel testing device
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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0007] Specific embodiment one: combination figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Image 6 , Picture 10 with Picture 11 To illustrate this embodiment, a planetary vehicle wheel test device described in this embodiment 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. Two horizontal underframes 12 are provided on the left and right sides of the upper end of the bracket 2. The two horizontal underframes 12 are respectively fixedly connected to the two ends of the two sliding rails 3, and the two sliding rails 3 are parallel to each other. A chute 53 is provided at the lower end, the trolley 5 is set on the bracket 2 and the two slide rails 3 are respectively set in the chute 53, the bases of the speed measuring and active mechanism 9 and the passive pulley mechanism 10 are respectively fixedly set on the two horizontal bottoms. The rotating shafts of the two ...

Example Embodiment

[0008] Specific implementation manner two: combination figure 1 , figure 2 , Picture 10 with Picture 11 To illustrate this embodiment, a gear clutch 22 is provided at the connection between the active motor 19 and the coupling shaft 18, and the trolley 5 is also provided with a second pulley 34 and a third pulley 35. The horizontal base frame 12 is provided with a fourth pulley 36 and a fifth pulley 37 respectively. 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 bypasses the second pulley 34 and the second pulley in turn. With four pulleys 36, the other end of the second pulley rope 41 bypasses the third pulley 35 and the fifth pulley 37 in turn. The free ends of the first pulley rope 40 and the second pulley rope 41 are respectively provided with a first loading block 57 and The other composition and connection relationship of the second loading block 58 are the same as those in the first embodiment....

Example Embodiment

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

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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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