Pressure gauge hydraulic oil cylinder anti-blocking device
A hydraulic cylinder and anti-clogging technology, which is applied to fluid pressure actuation devices, fluid pressure actuation system components, mechanical equipment, etc., and can solve problems such as hydraulic filters that cannot be replaced
Inactive Publication Date: 2021-01-15
李小东
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Problems solved by technology
[0004] The object of the present invention is to provide a pressure gauge hydraulic cylinder anti-clogging device to solve the problem that the hydraulic filter of the existing pressure gauge hydraulic cylinder anti-clogging device cannot be replaced when the hydraulic cylinder is working
Method used
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[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.
[0019] see figure 1 with figure 2 , an anti-clogging device for a pressure gauge hydraulic oil cylinder, comprising an oil inlet main pipe 1 and an oil outlet main pipe 2, an auxiliary oil inlet pipe 3 and an auxiliary oil outlet pipe 4 are respectively welded on the oil inlet main pipe 1 and the oil outlet main pipe 2, and the oil inlet main pipe 1 and the oil outlet main pipe 2 are welded respectively. The first electric stop valve 5 and the second electric stop valve 6 are flange-connected to the auxiliary oil inlet pipe 3 respectively. The model of the first electric stop valve 5 and the second electric stop valve 6 is J941H. The third electric shut-off valve 7 and the fourth electric shut-off valve 8 are flange-connected on the upper side respectively. The model of the ...
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The invention discloses a pressure gauge hydraulic oil cylinder anti-blocking device. The pressure gauge hydraulic oil cylinder anti-blocking device comprises an oil inlet main pipe and an oil outletmain pipe, wherein an auxiliary oil inlet pipe and an auxiliary oil outlet pipe are arranged on the oil inlet main pipe and the oil outlet main pipe correspondingly, a first electric stop valve and asecond electric stop valve are arranged on the oil inlet main pipe and the auxiliary oil inlet pipe correspondingly, a third electric stop valve and a fourth electric stop valve are arranged on the oil outlet main pipe and the auxiliary oil outlet pipe correspondingly, the oil inlet main pipe and the oil outlet main pipe are connected with the two ends of a main hydraulic filter cartridge correspondingly, the auxiliary oil inlet pipe and the auxiliary oil outlet pipe are connected with the two ends of an auxiliary hydraulic filter cartridge correspondingly, and a control box is arranged on theauxiliary hydraulic filter cartridge. When the filter cartridges are cleaned and replaced, the control box controls the first electric stop valve and the third electric stop valve to be closed and controls the second electric stop valve and the fourth electric stop valve to be opened at the same time, hydraulic oil in the oil inlet main pipe is discharged into the auxiliary hydraulic filter cartridges, and then the idle filter cartridges are cleaned and replaced.
Description
technical field [0001] The invention belongs to the technical field of hydraulic components, and in particular relates to an anti-clogging device for a pressure gauge hydraulic oil cylinder. Background technique [0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion. It has simple structure and reliable operation. When it is used to realize reciprocating motion, the deceleration device can be eliminated, and there is no transmission gap, and the motion is stable, so it is widely used in various mechanical hydraulic systems. [0003] The hydraulic cylinder is basically composed of cylinder barrel and cylinder head, piston and piston rod, sealing device, buffer device and exhaust device. During long-term use, the oil circuit in the hydraulic cylinder will be blocked. If it is not handled in time, the hydraulic cylinder will have the phenomenon of oil circuit backfilling. Not only wi...
Claims
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IPC IPC(8): F15B15/14F15B15/20F15B21/041
CPCF15B15/1423F15B15/149F15B15/20F15B21/041
Inventor 李小东柳桂永邱彦栋徐鹏程曹立荣李悦王建平任志华康峰孙彦涛
Owner 李小东