Permanent-magnet-type torque signal conversion device
A technology of signal conversion device and permanent magnet, which is applied in the direction of measuring device, torque measurement, steering mechanism, etc., can solve the problems of high cost of replacing worn parts, large loss of parts, and difficulty in disassembling and assembling the steering wheel torque signal conversion device. To achieve the effect of easy assembly and disassembly, and improve stability
Pending Publication Date: 2020-05-01
ZHEJIANG UNIV OF TECH
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Problems solved by technology
[0002] The existing transport vehicle steering wheel torque signal conversion device is difficult to disassemble and assemble, which leads to high cost of replacing worn parts. The use of contact elastic materials will cause certain interference to the system due to the existence of friction, and the exposure of multiple core components to the working environment will lead to zero The components are extremely worn out or cannot meet the working conditions,
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Embodiment Construction
[0023] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.
[0024] A permanent magnet type torque signal conversion device, including an input flange 1 connected to a torque input element, the input flange 1 is connected to the upper end surface of the inner shaft 3, and the upper end side and the lower end side of the inner shaft 3 respectively pass through the first deep groove The ball bearing 2 and the second deep groove ball bearing 6 are connected to the outer shaft 13, and the outer shaft 13 is sleeved outside the inner shaft 3;
[0025] The lower end surface of the inner shaft 3 is connected to the bottom flange 9, and the round hole in the middle of the end surface of the bottom flange 9 is installed with the relevant parts of the angular displacement sensor 8; the lower end surface of the outer shaft 13 has two symmetrically distributed grooves, and there are two grooves in the groove. The th...
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The invention discloses a permanent-magnet-type torque signal conversion device. The permanent-magnet-type torque signal conversion device comprises an input flange connected with a torque input element, the input flange is connected with the upper end surface of an internal shaft, the internal shaft is connected with an external shaft through a bearing, and the external shaft sleeves the internalshaft; the lower end surface of the internal flange is connected with a bottom end flange; the external shaft is connected with an output element and a bottom plate, and an angular displacement sensor is installed on the bottom plate; the angular displacement sensor detects the relative angular displacement of the internal shaft and the external shaft, and the angular displacement sensor is connected with an electric control unit (ECU); the internal shaft is connected with a radial limit rod, and the end part of the limit rod is incorporated into a fan-shaped notch of an external rotating shaft; and a second permanent magnet is installed on the internal shaft, a first permanent magnet is installed on the external shaft, and the magnetic poles with the same name of the first permanent magnet and the second permanent magnet are relatively arranged in the circumferential direction.
Description
technical field [0001] The invention relates to a torque signal acquisition device for a vehicle steering system. Background technique [0002] The existing transport vehicle steering wheel torque signal conversion device is difficult to disassemble and assemble, which leads to high cost of replacing worn parts. The use of contact elastic materials will cause certain interference to the system due to the existence of friction, and the exposure of multiple core components to the working environment will lead to zero The components are extremely worn out or cannot meet the working conditions, Contents of the invention [0003] The present invention overcomes the above-mentioned shortcomings of the prior art and provides a permanent magnet torque signal conversion device. [0004] A permanent magnet type torque signal conversion device, including an input flange 1 connected to a torque input element, the input flange 1 is connected to the upper end surface of the inner shaft...
Claims
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Login to View More IPC IPC(8): G01L3/00G01B21/22B62D15/00
CPCG01L3/00G01B21/22B62D15/00
Inventor 裘信国甘鹤中周见行姜伟
Owner ZHEJIANG UNIV OF TECH