Shaft pivoted hub bearing unit monitoring system for axial pivoting force and displacement and method

A wheel bearing and riveting force technology, which is applied in the direction of mechanical bearing testing, force measurement, and measuring devices, can solve problems such as poor product quality consistency, and achieve the effect of simple and easy technical means

Inactive Publication Date: 2012-01-18
SOUTH CHINA UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to overcome the shortcomings and deficiencies of the prior art, to provide a shaft riveting hub bearing unit monitoring system and method fo

Method used

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  • Shaft pivoted hub bearing unit monitoring system for axial pivoting force and displacement and method
  • Shaft pivoted hub bearing unit monitoring system for axial pivoting force and displacement and method
  • Shaft pivoted hub bearing unit monitoring system for axial pivoting force and displacement and method

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Example Embodiment

[0028] Example

[0029] In order to make the shaft riveted hub bearing unit have good performance, it is necessary to monitor the axial riveting force-displacement curve during assembly in real time to ensure that the shaft riveted hub bearing unit has a high service life and low working clearance. difference.

[0030] Such as figure 1 Shown. The hub bearing unit 2 is assembled on the riveting machine 1, and the hub bearing unit 2 to be assembled is placed in the transition sleeve 3 of the pressure sensor 4 for positioning. The pressure sensor 4 is fixed on the workbench of the riveting machine through the transition sleeve 3 5 on. When the main shaft of the riveting machine descends, the force of the riveting joint on the hub bearing unit is transmitted to the pressure sensor 3 through the lower die. The pressure signal generated on the pressure sensor 3 is amplified by the transmitter and then sent to a data acquisition card (not shown in the figure) and converted into an A / D ...

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Abstract

The invention discloses a shaft pivoted hub bearing unit monitoring system for axial pivoting force and displacement and a method. The system comprises a pressure sensor, a transducer I, a displacement sensor, a transducer II, an A/D (Analog to Digital) conversion module, an industrial computer and a data processing module, wherein the pressure sensor and the transducer I are connected in sequence; the displacement sensor and the transducer II are connected in sequence; the transducer I and the transducer II are connected with the A/D conversion module respectively; and the A/D conversion module, the industrial computer and the data processing module are connected in sequence. By adopting the system, pivoting force-displacement data measured in each pivoting process can be recorded, the qualification of a shaft pivoting process can be judged automatically according to a measured pivoting force-displacement curve, possible causes leading to defective goods can be given automatically, and data can be counted and analyzed or called automatically. The system has an easy, convenient and practical technical means and positive and beneficial technical effects.

Description

technical field [0001] The invention belongs to the field of industrial product quality monitoring, in particular to a system and method for monitoring axial riveting force and displacement of a shaft riveting hub bearing unit. Background technique [0002] In recent years, the requirements for environmental protection have become higher and higher, especially the requirements for technologies such as energy saving, reliability improvement and cost saving have become increasingly prominent. In response to these requirements, shaft riveting instead of nuts has appeared in the assembly method of hub bearings. Snap-on trend. The inner and outer rings of the traditionally designed hub bearing unit are firmly connected together with lock nuts during assembly. The disadvantage of this method is that the axial direction of the hub unit needs to be controlled by controlling the pre-tightening of the nut during assembly. Clamping force, due to the manufacturing error of the parts in...

Claims

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Application Information

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IPC IPC(8): G01M13/04G01L1/00G01B11/02
Inventor 曲杰许华忠
Owner SOUTH CHINA UNIV OF TECH
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