A friction mine hoist test bench
A mine hoist and test bench technology, which is used in the testing of mechanical parts, the testing of machine/structural parts, instruments, etc., can solve the influence of environmental factors on the test data site, it is difficult to grasp the influence law of main parameters, and the size of mining equipment is large. Operating environment and other issues, to achieve the effect of simple structure, reduced experimental operation difficulty, and easy operation
Active Publication Date: 2021-11-30
TAIYUAN UNIV OF TECH
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Problems solved by technology
[0003] However, due to the large size of mining equipment and the variety and complexity of the operating environment, it is relatively difficult to carry out field tests on the dynamic characteristics of friction mine hoists, and the test data are easily affected by various field environmental factors, making it difficult to grasp Influence law of the main parameters on the research object
At present, there is no friction mine hoist test rig that can map the actual situation. The test rig needs to simulate the dynamic characteristics of the hoisting system under emergency braking conditions, including the sliding characteristics of the wire rope, the vibration characteristics of the hoisting container, and the dynamic characteristics of the wire rope. Tension, etc., to improve the braking stability and safety of the hoist during emergency braking
Method used
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Embodiment Construction
[0033] Introduce detailed technical scheme of the present invention below in conjunction with accompanying drawing:
[0034] Such as figure 1 , figure 2As shown, a friction mine hoist test bench includes a fixed base plate 1, 2 laser displacement sensors 2, 2 triaxial acceleration sensors 3, 2 lifting containers 4, 2 stroke protection devices 5, and 2 tension sensors 6. Fixed upper sky wheel 7, cage 8, steel wire rope 9, adjustable lower sky wheel 10, friction drum 11, high-speed camera 12, support frame 13, operation control device 14, motor platform 15, electromagnetic brake 16, servo motor 17. Coupling 18, transmission shaft 19 and camera frame 20; wherein, the friction reel is installed on the support frame; the fixed upper sky wheel and the adjustable lower sky wheel are all installed on the cage; After the upper sky wheel and the adjustable lower sky wheel, the two ends are respectively connected with two lifting containers; two laser displacement sensors are respecti...
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The invention discloses a friction type mine hoist test bench, which includes a fixed bottom plate, two laser displacement sensors, two triaxial acceleration sensors, two lifting containers, two stroke protection devices, and two tension sensors , fixed upper sky wheel, cage, steel wire rope, adjustable lower sky wheel, friction drum, high-speed camera, support frame, operation control device, motor platform, electromagnetic brake, servo motor, coupling, transmission shaft and camera frame, The test bench adopts the similarity theory and model test method, under the premise of correctly mapping and simulating the dynamic characteristics of the friction mine hoist in the actual mine production, the space structure is greatly reduced, and the test research is convenient. The influence of different structural parameters such as contact angle under braking, as well as operating parameters such as operating speed, lifting height, and load, on the sliding characteristics of the steel wire rope, the vibration characteristics of the lifting container, and the dynamic tension of the steel wire rope.
Description
technical field [0001] The invention belongs to the field of mine hoists, and in particular relates to a friction type mine hoist test bench. Background technique [0002] As one of the large-scale equipment in the mine, the mine hoist is the "medium" connecting the underground and the ground, and is responsible for the transportation of mineral resources and personnel and equipment. It is not only required to have good lifting capacity, but also needs to have sufficient safety. The mine hoist has the incomparable advantages of the winding mine hoist, such as small size, fast running speed, strong lifting capacity and good safety performance. However, due to the fact that the braking torque of the mine hoist cannot directly brake the hoisting container and the flexible transmission characteristics of the wire rope, the braking stability and safety of the hoist during emergency braking are greatly challenged. Moreover, when the hoist is in emergency braking, the tension of t...
Claims
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IPC IPC(8): G01M99/00G01M13/00G01D21/02
CPCG01D21/02G01M13/00G01M99/005G01M99/008
Inventor 黄家海落财秀郝惠敏王文庆宋字宇
Owner TAIYUAN UNIV OF TECH