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Rotation angle measuring device and multi-angle driving vehicle

A technology of rotation angle and measuring device, applied in the field of transmission and measurement, can solve problems such as poor measurement accuracy, and achieve the effect of avoiding measurement error and high rotation angle accuracy

Pending Publication Date: 2021-04-13
北京红胡子机器人科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, when measuring the rotation angle of the gear, such as the attached figure 1 As shown, since there may be backlash between the meshing gears during gear transmission, the rotation angles of other gears calculated based on the directly measured rotation angles of the gears may deviate from the actual ones, and the measurement accuracy is poor.

Method used

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  • Rotation angle measuring device and multi-angle driving vehicle
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  • Rotation angle measuring device and multi-angle driving vehicle

Examples

Experimental program
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Embodiment 1

[0036] According to a specific embodiment of the present invention, the present invention provides a rotation angle measurement device, such as the attached figure 2 And attached image 3 shown, including:

[0037] The frame 1 includes a rotatably arranged central shaft 11;

[0038] The gear assembly mechanism 2 includes: two second gears 22 and two third gears 23, the two second gears 22 are coaxially arranged and meshed with the first gear 21 respectively, and each second gear 22 is respectively connected with a third gear The gears 23 are in transmission connection, the two third gears 23 are set on the central shaft 11 and rotate synchronously with the central shaft 11, and a tensioning member 3 is arranged between the two third gears 23, and the tensioning member 3 pairs each third The pulling force of the gear 23 has a component force on the rotation direction of the third gear 23, so that one second gear 22 and the first gear 21 are seamlessly meshed along the first ...

Embodiment 2

[0073] The structures in this embodiment that are the same as those in Embodiment 1 will not be repeated, and the same structural parts have the same technical effects, and will not be described again. According to a specific embodiment of the present invention, in the rotation angle measuring device provided in this embodiment, the tension member 3 is an elastic member, so that the tension member 3 can be controlled more conveniently by the degree of elongation of the tension member 3. Pull size. In this way, before use, the position of the rotatable third gear 23 can be adjusted in advance and then the meshing assembly can be completed to obtain different tensioning forces. When adjusting the tension force, release the engagement between the first gear 21 and the second gear 22, turn the second gear 22 and / or the third gear 23 until the tension member 3 is stretched to a preset length The two second gears 22 mesh with the first gear 21, and the adjustment process can be con...

Embodiment 3

[0078] The structures in this embodiment that are the same as those in Embodiment 1 or 2 will not be repeated, and the same structural parts have the same technical effect, and will not be described again. According to a specific embodiment of the present invention, the present invention provides a multi-angle traveling vehicle, comprising the rotation angle measuring device according to any one of the above.

[0079] In some optional implementations of this embodiment, the multi-angle driving vehicle may also include: a vehicle frame, a plurality of wheel assemblies respectively arranged around the vehicle frame, the wheel assemblies are rotatably connected to the vehicle frame, and both They are connected by meshing gears, and the motor drives the gears to rotate, thereby driving the wheel assembly to rotate, so as to achieve the purpose of adjusting the driving direction of the vehicle. The above-mentioned gear driven by the motor to rotate and then drive the wheel assembly...

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Abstract

The invention provides a rotation angle measuring device and a multi-angle driving vehicle, and the device comprises a rack which comprises a central shaft which is rotatingly arranged, a gear assembling mechanism, and an angle measuring instrument. The gear assembling mechanism comprises two second gears and two third gears, the two second gears are coaxially arranged and meshed with a first gear at two different points, each second gear is in transmission connection with one third gear, the two third gears are arranged on the center shaft in a sleeving mode and rotate synchronously with the center shaft; a tensioning piece is arranged between the two third gears, and the tensioning piece has a component force in the rotating direction of the third gears for the tension of each third gear; and the angle measuring instrument is used for measuring the rotation angle of the central shaft. By arranging the tensioning piece between the two third gears, backlash between the first gear and the second gear and backlash between the second gear and the third gears can be eliminated, and the precision of the measured rotation angle of the gears is high.

Description

technical field [0001] The invention relates to the technical field of transmission and measurement, in particular to a rotation angle measuring device and a multi-angle driving vehicle. Background technique [0002] As a common transmission structure, gear transmission is widely used in the mechanical field. For example, in a multi-angle driving vehicle, the wheel assembly is rotatably connected to the vehicle frame, and the two are connected through meshing gears, and the motor drives the gear to rotate to drive the wheel assembly to rotate, thereby achieving the purpose of adjusting the driving direction of the vehicle. For precise control of the direction of travel, it is necessary to accurately measure the angle of rotation of the gears to determine whether the wheel assembly is turning properly. [0003] In the prior art, when measuring the rotation angle of the gear, such as the attached figure 1 As shown, since there may be backlash between the meshing gears during...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B7/30G01D5/245
CPCG01B7/30G01D5/245
Inventor 刘建程晓晟陈嵩陈福笛
Owner 北京红胡子机器人科技有限公司