Self-adjustment magnetorheological fluid single prop
A technology of magnetorheological fluid and single pillar, which is applied in the direction of pillars/brackets, mining equipment, earthwork drilling and mining, etc. It can solve the problems that the dynamic load cannot be adjusted well, the sealing requirements are high, and the strength is affected. Reliable structural strength, low machining accuracy, and reduced support difficulty
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[0026] The present invention will be further described below in conjunction with accompanying drawing.
[0027] Such as figure 1 As shown, a self-regulating magnetorheological fluid single pillar,
[0028] It includes hydraulic positioning system and magnetorheological fluid support system;
[0029] The hydraulic positioning system includes a base 1, a positioning block 2, a hydraulic cylinder block 3, a piston rod 12, a guide ring 17, a return spring 18, a sealing ring III 19 and a bottom hydraulic oil inlet 20; the base 1 and the bottom of the hydraulic cylinder 3 Interference fit installation, the piston rod 12 is installed and moved through the guide ring 17, and the lowest position is positioned through the positioning block 2, and a seal is formed through the sealing ring III19 at the same time, and the upper and lower ends of the return spring 18 are respectively connected to the hydraulic cylinder body 3 and The piston rods 12 are connected to each other, and the pre...
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