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Device and method for testing axial bearing performance of heavy-load planetary threaded roller bearing

A technology of roller bearing and test device, applied in the direction of mechanical bearing testing, etc., can solve problems such as load size limitation, and achieve the effect of easy installation and debugging, reasonable structure, and guaranteed strength and rigidity

Pending Publication Date: 2021-11-12
NORTHEAST FORESTRY UNIVERSITY
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  • Abstract
  • Description
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Problems solved by technology

However, at present, domestic and foreign research institutions and manufacturers have mature plans for standard bearing test equipment and test methods, but most of these test devices transmit the input load to the base of the bench, which limits the load size

Method used

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  • Device and method for testing axial bearing performance of heavy-load planetary threaded roller bearing
  • Device and method for testing axial bearing performance of heavy-load planetary threaded roller bearing
  • Device and method for testing axial bearing performance of heavy-load planetary threaded roller bearing

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specific Embodiment approach 1

[0038] Specific implementation mode one: combine Figure 1-7 Description of this embodiment, the heavy-duty planetary threaded roller bearing axial load-bearing performance test device, which includes a base 16, a loading device, a three-beam and four-column structure, installation tooling, a drive system, and a measurement and control system, wherein the three-beam and four-column structure includes mutual The first fixed beam 4, the second fixed beam 12, the sliding beam 8, and four parallel and horizontally arranged first fixed beams 4, 12, and 4 are arranged parallel to each other vertically, and the first fixed beam 4 and the second fixed beam 12 are Fixedly installed on the base 16, the sliding beam 8 is located between the first fixed beam 4 and the second fixed beam 12 and is slidably fitted on the four guide bearing columns 7, and the two ends of the four guide bearing columns 7 are corresponding Fixed connection with the first fixed beam 4 and the second fixed beam 1...

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Abstract

The invention discloses a device and a method for testing the axial bearing performance of a heavy-load planetary threaded roller bearing, belongs to the technical field of mechanical basic piece testing, and aims to solve the problem that an existing testing device for a standard bearing is not suitable for testing the static limit load and the limit dynamic load of a heavy-load planetary threaded roller bearing. The device comprises a base, a loading device, a three-beam four-column structure, a mounting tool, a driving system and a measurement and control system, wherein axial force is applied to a tested planetary threaded roller bearing through the loading device, the driving system is arranged on one side of a second fixed beam, the output end of the driving system is fixedly connected with the end of a stepped shaft, and the static load and the dynamic load borne by the measured planetary threaded roller bearing are displayed and recorded in real time through the measurement and control system. According to the invention, limit static load and limit dynamic load life tests of planetary threaded roller bearings of various sizes and models under a heavy load working condition can be achieved; and the test device is reasonable in structure and stable in operation, can realize automatic control, and has good universality and measurement accuracy.

Description

technical field [0001] The invention relates to a test device and a test method for the axial load-bearing performance of a heavy-duty planetary threaded roller bearing, and belongs to the technical field of mechanical basic component testing. Background technique [0002] Planetary threaded roller bearings consist of a cage, a bearing outer ring with annular threads, an inner ring and rollers, and threaded rollers instead of balls are used as rolling elements. The structure of the planetary threaded roller bearing is similar to that of the planetary roller screw, both of which use the threaded roller to transmit the load, and the contact mode between the threads is point contact. Therefore, compared with ball bearings, planetary threaded roller bearings have the same contact method. Under the same external dimensions, the contact radius of the contact area can be designed, and the number of contact points in the axial direction is more, so that it can provide greater static...

Claims

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Application Information

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IPC IPC(8): G01M13/04
CPCG01M13/04
Inventor 解志杰倪佳楠吕景亮詹长书刘九庆
Owner NORTHEAST FORESTRY UNIVERSITY
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