Agricultural material collision restitution coefficient test platform

A technology of coefficient of restitution and test platform, applied in impact test, test of mechanical parts, test of machine/structural parts, etc., can solve problems such as poor test result accuracy, and achieve reliable use, novel and reasonable structure design, and test accuracy. high effect
CN104198146BInactive Publication Date: 2017-01-25NORTHEAST AGRICULTURAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NORTHEAST AGRICULTURAL UNIVERSITY
Publication Date
2017-01-25
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an agricultural material collision recovery coefficient test platform and belongs to physical property test devices. A mirror, a scale wall plate, a height adjusting rod, first and second electromagnetic valves, a support and a time-delay relay are arranged on a base, the mirror and the scale wall plate form a 135-degree included angle to be connected into a whole, the support is hinged to a collision wall plate through a pin shaft, angle adjusting screws A and B are arranged on two sides of the pin shaft on the support respectively, upper and lower supporting plates are disposed on the height adjusting rod, upper and lower adsorption tubes are installed on the upper and lower supporting plates respectively, an air-sucking pump is respectively communicated with the first and second electromagnetic valves through a connecting air tube, a high-speed camera is vertical to the scale wall plate, horizontal adjusting bolt groups are arranged at four corners of the base respectively, the platform can perform testing on collisions of agricultural materials in various forms and conditions and collisions among materials, the structure is novel and reasonable, the adaptive capacity is high, the application range is wide, the usage is reliable, and the test accuracy is high.
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Description

technical field

[0001] The invention belongs to physical performance testing equipment, and mainly relates to a testing platform for the collision restitution coefficient of granular agricultural materials. Background technique

[0002] In the field of agricultural materials, the collision recovery coefficient reflects the performance of materials that can be restored to the original state after collision deformation, and is the basic data for the parameter design and performance analysis of combine harvester cleaning vibrating screens and precision seeders. In addition, the collision restitution coefficient is one of the most basic particle properties required for discrete element software simulation. The more accurate the parameters input during the simulation, the more accurate the calculation output will be. In order to measure and obtain the collision restitution coefficient, some scholars at home and abroad have made some collision restitution coefficient test benches,...

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
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