Measuring device and method for friction coefficient between bearing inner ring end face and bushing surface
A technology of bearing inner ring and friction coefficient, which is applied to measuring devices, mechanical devices, instruments, etc., can solve the problem of inability to measure the friction coefficient between the end face of the bearing inner ring and the surface of the bushing.
Active Publication Date: 2022-05-13
XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA
View PDF8 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
However, the above measurement method measures the friction coefficient of the primary sliding of the inner and outer rings of the bearing, that is, none of the existing measurement methods can measure the friction coefficient of the secondary sliding between the end face of the inner ring of the bearing and the surface of the bushing
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0038] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.
[0039]The following specific embodiments provided by the present invention can be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.
[0040] figure 1 It is a schematic structural diagram of a friction coefficient measuring device between the end surface of the bearing inner ring and the surface of the bushing provided by the embodiment of the present invention, figure 2 for figure 1 The illustrated embodiment provides a cross-sectional view of a bearing assembly to be tested and a corresponding supporting struc...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The embodiment of the present invention discloses a friction coefficient measurement device and measurement method between the end surface of the inner ring of the bearing and the surface of the bushing. Inner ring; the force loading module is used to load the bearing inner ring with axial force along the fixed pin shaft through the supporting structure, the test bearing and the test bushing, and record the loaded axial load value; the torque measurement module is used to measure the rotation The load torque value of the bearing assembly to be tested when the bush is rotating; the difference between the load torque value and the additional torque value of a single test bearing is the corrected torque value between the end face of the inner ring of the bearing and the surface of the bush; the end face of the inner ring of the bearing and the bushing The coefficient of friction of the surface is the slope of the curve of the modified torque value versus the value of the axial load. The embodiment of the present invention can effectively eliminate the situation of uneven force and sliding friction interference of other components, so as to effectively measure the coefficient of static friction and the coefficient of dynamic friction between the surface of the bearing and the bushing.
Description
technical field [0001] The present application relates to but is not limited to the technical field of friction coefficient measurement of aeronautical structures, especially a device and method for measuring the friction coefficient between the end face of a bearing inner ring and the surface of a bushing. Background technique [0002] In the hinge structure with bearings, if the bearing has a locking failure, it must be ensured that the hinge can overcome the static friction between the bearing end face and the bushing to slide effectively. This kind of sliding is different from the sliding of the inner and outer rings of the bearing, and is called secondary sliding. . The secondary sliding pair can effectively guarantee the safety and reliability of the hinge structure. The friction coefficient between the end face of the inner ring of the bearing and the surface of the bushing is very important for the calculation of the secondary sliding of the hinge mechanism with bea...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): G01N19/02
CPCG01N19/02
Inventor 朱江李云鹏冯成慧
Owner XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA