Position detection device for piston rod of hydraulic cylinder
A detection device, piston rod technology, applied in the direction of measuring device, mechanical measuring device, fluid pressure actuating device, etc., to achieve the effect of reducing the occurrence of errors
Active Publication Date: 2020-03-31
金泳沂
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Problems solved by technology
[0006] However, the technology is to disassemble the hydraulic cylinder from the mechanical device and assemble it on the stroke measuring device to measure whether the hydraulic cylinder is running normally. The problem of its existence is that the hydraulic cylinder must be disassembled from the mechanical device. In order to determine whether the hydraulic cylinder is normal or not
[0010] However, in the above-mentioned technology, in addition to supplying operating power to the linear sensor and position detection sensor installed in the hydraulic cylinder, a communication line is required to obtain the position detection value output from the position detection sensor.
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[0045] The preferred embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0046] The present invention is a piston rod position detecting device for a hydraulic cylinder that detects the position of the piston rod based on the rotation of the rotor along with the supply of working oil.
[0047] That is to say, the present invention is a piston rod position detecting device of a hydraulic cylinder including a cylinder housing, a piston, and a piston rod. According to whether the working oil is supplied or not, the linear motion of the piston rod is converted into a rotary motion, and according to the rotation The number of rotations of the movement detects the position of the piston rod of the hydraulic cylinder of the piston rod detection device.
[0048] figure 1 It is a perspective view of an embodiment of the piston rod detection device of the hydraulic cylinder of the present invention, figure 2 It is an e...
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The present invention relates to an apparatus for detecting a position of a piston rod of a hydraulic cylinder, which can detect a position of a piston rod based on rotation of a rotor according to whether operating oil is supplied. To this end, the apparatus for detecting a position of a piston rod of a hydraulic cylinder comprises a cylinder housing, a piston, and a piston rod. Moreover, linearmovement of the piston rod is converted into rotational movement according to whether operating oil is supplied. In addition, the position of the piston rod is detected based on revolutions per minuteof the rotational movement.
Description
technical field [0001] The present invention relates to a piston rod position detection device of a hydraulic cylinder, in particular, a piston rod position detection device of a hydraulic cylinder which detects the position of the piston rod according to the rotation of the rotor along with the supply of working oil. Background technique [0002] The hydraulic cylinder uses the hydraulic force generated by the hydraulic pump to supply working fluid to the cylinder, and the hydraulic pressure of the supplied working oil pushes the piston. When the piston moves, the movement of these pistons is transmitted to the piston rod, thereby generating mechanical reciprocating motion. [0003] In this type of hydraulic cylinder, the component that actually applies mechanical force to the outside is the piston rod. In the hydraulic cylinder device, the distance that the piston rod moves when it changes from the state of maximum compression to the state of maximum extension of the pist...
Claims
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IPC IPC(8): F15B15/28
CPCF15B15/2876F15B15/2892F15B15/2823F15B15/14G01B5/003F15B2015/1495
Inventor 金泳沂
Owner 金泳沂