Angle sensor for adjusting arm

A technology of angle sensor and adjusting arm, which is applied in the field of angle sensor and angle sensor of adjusting arm, which can solve the problems of small rotation angle of camshaft and low detection accuracy of friction pad wear, so as to improve detection accuracy and ensure rotation stability Effect

Pending Publication Date: 2018-05-08
LONGZHONG HLDG GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, since the wear amount of the friction lining is basically in millimeters, the rotation angle of the camshaft will be very small, resulting in a very low detection accuracy of the wear amount of the friction lining detected in this way, which is very low. It may happen that the detected angle of rotation of the camshaft does not change substantially despite further wear of the friction linings

Method used

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  • Angle sensor for adjusting arm
  • Angle sensor for adjusting arm
  • Angle sensor for adjusting arm

Examples

Experimental program
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Effect test

Embodiment 1

[0051] Such as figure 1 and figure 2 As shown, an angle sensor for adjusting the arm, the adjusting arm includes a housing 7, a worm wheel and a camshaft 8, the worm gear is arranged in the housing 7 and can rotate relative to the housing 7, and one end of the camshaft 8 is inserted into the housing 7, the worm gear is sleeved on the camshaft 8 and fits with the camshaft 8 through a spline. The specific structure of the adjustment arm in this embodiment can refer to a kind of automobile brake gap with the application number 201611140721.8 proposed by the applicant. Automatically adjust the arm.

[0052] Such as image 3 , Figure 4 and Figure 5 As shown, the angle sensor includes an installation box 1 connected to one side of the housing 7 and a turntable 2 that is arranged in the installation box 1 and can rotate. 2 The turntable 2 is driven to rotate through the spline fit, and the turntable 2 is axially limited and radially limited in the installation box 1 . The an...

Embodiment 2

[0061] The structure and principle of this embodiment are basically the same as that of Embodiment 1, the difference is that in this embodiment, a transmission belt is set between the outer peripheral side of the limiting part 3b2 and the outer peripheral side of the turntable 2, and the turntable 2 is driven by the transmission belt. The rotating wheel 3 rotates, thereby utilizing the rotation of the rotating wheel 3 and combining the outer diameters of the rotating wheel 3 and the rotating disk 2 to amplify the rotation angle of the rotating disk 2, so as to improve the detection accuracy of the angle sensor.

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Abstract

The invention provides an angle sensor for an adjusting arm and belongs to the technical field of machinery. By means of the angle sensor for the adjusting arm, the problem that the detection precision of an existing angle sensor is low is solved. The angle sensor comprises an installation box capable of being connected to the side wall of the adjusting arm and a rotating disc capable of being fixed on a cam shaft of the adjusting arm in the circumferential direction, the rotating disc is located inside the installation box and can rotate relative to the installation box, the installation boxis further internally provided with a rotating wheel which can rotate, the external diameter of the rotating disc is larger than that of the rotating wheel and the rotating disc drives the rotating wheel to rotate through a driving belt or teeth, a rotating center of the rotating wheel is fixedly provided with a magnetic body, the installation box is internally and fixedly provided with a sensingelement which is arranged to be opposite to the magnetic body, and the sensing element can perform real-time sensing on rotating of the magnetic body and perform signal conversion. The angle sensor for the adjusting arm has the advantages of being high in detection precision, good in working stability and the like.

Description

technical field [0001] The invention belongs to the technical field of machinery and relates to an angle sensor, in particular to an angle sensor used for adjusting an arm. Background technique [0002] Although there are many kinds of adjusting arms on the market, the principle of use and the working method are basically the same. The housing of the adjusting arm is directly connected to the axle, and then when the brake gap increases, the adjustment mechanism in the adjusting arm automatically adjusts the brake. The brake gap is compensated to ensure the braking effect. The existing adjusting arm only has the function of automatically adjusting the brake clearance, but does not have the ability to detect the wear of the friction lining. For the wear of the friction lining, it is more dependent on the driver to observe with the naked eye based on experience Therefore, it is very inaccurate. In addition, every time the driver needs to come out from the cab to observe the wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D66/02
CPCF16D66/023F16D66/025F16D2066/003
Inventor 苏辉顾乃宁胡志勇陈驰杨来科赵建远
Owner LONGZHONG HLDG GRP
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