Passive follow-up force-applied linear guiderail pair test bed with controllable load

A linear guide pair, passive technology, used in the testing of mechanical parts, the testing of machine/structural parts, measuring devices, etc. Reliable test basis, easy implementation, simple structure effect

Inactive Publication Date: 2012-09-26
SOUTHWEST JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the force application points of the lateral loading mechanism and the vertical loading mechanism are fixed, they do not move with the movement of the stressed slide table; while the force slide table is always in a moving state during the test, the fixed force application point and the four guide rail sliders The relative distance of the force slide table changes, so the load distributed to the four guide rail sliders by the force slide table is not co

Method used

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  • Passive follow-up force-applied linear guiderail pair test bed with controllable load

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Example Embodiment

[0016] Example

[0017] figure 1 It is shown that the specific implementation of the present invention is a passive follow-up force linear guide rail pair test bench with controllable load, and its composition is:

[0018] The base 1, the lead screw drive mechanism 2, and the two guide rails 3 on the base 1 are respectively installed on both sides of the lead screw drive mechanism 2, and the bottom surface of the force sliding table 4 is connected to the lead screw drive mechanism 2. 4 The four corners of the bottom surface are correspondingly connected with the four guide rail sliders 5, and every two of the four guide rail sliders 5 form a guide rail pair with the corresponding guide rail 3; the lower surface of the force sliding table 4 is also connected with a grating scale reading head 15. The grating scale reading head 15 is matched with the grating main ruler 18 fixed on the machine base 1. The lateral loading mechanism is provided on the side of the forced sliding table 4,...

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Abstract

The invention relates to a passive follow-up force-applied linear guiderail pair test bed with controllable load. A horizontal load application mechanism is characterized in that a horizontal force application device is connected with a horizontal force application head by a horizontal pull pressure sensor, the end of the horizontal force application head is connected on the side surface of a stressed sliding table, and a base of the horizontal force application device is fixed on a stand by a left side linear guiderail pair; a vertical load application mechanism is characterized in that a vertical force application device is connected with a vertical force application head by a vertical force application device, the end of the vertical force application head is connected at the center of the stressed sliding table, the vertical force application device is arranged on a cross beam of a portal frame, a base at the right side of the portal frame is arranged on the stand by a right side linear guiderail pair, and the left side of the portal frame is fixed on the base of the horizontal force application device. The test bed realizes controllable dynamic load of horizontal load and radial load of the guiderail slider, can more accurately and reliably evaluate the relationship between the properties and service life of the guiderail pair, thus providing reliable test basis for design and maintenance of the guiderail pair.

Description

technical field [0001] The invention relates to a load-controllable passive follow-up force-applying linear guide rail auxiliary test bench. Background technique [0002] Linear guide rail pair is a common guiding part of mechanical system, and it is widely used in various machinery and equipment. Its performance and life are mainly related to the lateral load and radial (perpendicular to the front of the guide rail) load of the guide rail slider. The performance and life of the guide rail pair can be evaluated by simulating the operating state of the guide rail pair under a specific load by the linear guide pair test device, which is conducive to establishing a reasonable and effective maintenance plan and saving a lot of maintenance costs. The existing linear guide rail pair test device, such as the patent application No. 201110321929.0 that the applicant has applied for "a reconfigurable lead screw pair, guide rail pair accelerated life electro-hydraulic servo test bench...

Claims

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Application Information

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IPC IPC(8): G01M13/00
Inventor 高宏力张筱辰黄海凤许明恒郭亮文娟陈晨
Owner SOUTHWEST JIAOTONG UNIV
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