Constant-power automatic speed regulation self-rendering winch

Abstract

The invention discloses a constant-power automatic speed regulation self-rendering winch and belongs to the technical field of winches. One end of a coupler is connected with an output end of a hydraulic motor speed reducer, the other end of the coupler is connected with a main shaft, and the other end of the main shaft sequentially penetrates through a left bearing seat, a rope accommodation roller and a right bearing seat; the hydraulic motor reducer and the bearing seats are fixed on a foundation of the self-rendering winch; a load sensitive variable pump is connected with an oil tank through an oil absorption filter; an oil outlet A of the load sensitive variable pump and a port P of an electromagnetic direction valve are connected with a system safety valve; a work port A and a work port B of the electromagnetic direction valve are connected with a work port A and a work port B of the hydraulic motor reducer through a left check valve and a right check valve respectively; and a port T of the electromagnetic direction valve is connected with an oil return filter. The winch has the advantages that the speed and the output power of the self-rendering winch can be regulated automatically according to the size of the load and the speed of the self-rendering winch, a large amount of energy sources can be saved during actual application, and power loss can be reduced.

Description

technical field [0001] The invention relates to a constant-power automatic speed-regulating retractable winch, which belongs to the technical field of winches. Background technique [0002] At present, there are mainly two types of retractable winches, one is motor-driven, the main structure is composed of a rope-holding drum, a driving motor and a reducer, and the motor is forwarded or reversed by supplying power to the motor or changing the direction of the motor's power supply. In this way, the forward or reverse rotation of the rope-holding drum is driven to realize the rope retraction and release of the retractable winch. Because the power and speed of the motor are constant for this type of retractable winch, the power and The retracting and unwinding speeds are all constant, so constant power control and automatic speed control cannot be realized. The other is driven by a hydraulic motor. The main structure is composed of a rope drum, a drive motor, a reducer and a d...

AI Technical Summary

Problems solved by technology

Through the hydraulic station and the reversing valve, oil is supplied to the two working ports of the driving motor to make the hydraulic motor run forward or reverse, thereby driving the forward or reverse rotation of the rope holding drum, and realizing the rope receiving and releasing of the retractable winch. This kind of retractable winch is only equipped with a manual throttle valve in the hydraulic pipeline, and the speed regulation of the retractable winch is realized by changing the flow rate of the manual adjustment hydraulic pipeline, and automatic speed regulation cannot be realized.

Images