Passive hydraulic automatic belt deviation rectifying machine

Abstract

The invention relates to a passive hydraulic automatic belt deviation rectifying machine, which comprises two drive detection wheels, two oil pumps, a hydraulic control valve, an oil cylinder, an oil pipe, a supporting roller, a center regulating support roller frame and a stander. The deviation rectifying machine also comprises an integrated beam; two ends of the integrated beam are fixedly connected with the stander; the rear end of the oil cylinder is hinged with the integrated beam; the end of a piston rod of the oil cylinder is hinged with the center regulating support roller frame; the hinging point deviates from the revolving center of the center regulating support roller frame; the hydraulic control valve is arranged at the rear end of the oil cylinder; the two oil pumps are fixed at the two ends of the integrated beam through oil pump brackets respectively; oil tanks are fixed on the two oil pumps respectively; the oil pumps are communicated with the oil tanks; the two drive detection wheels are arranged on the power input shafts of the two oil pumps respectively; and the two cavities of the oil pumps, the oil tanks and the oil cylinder are communicated with the hydraulic control valve. The passive hydraulic automatic belt deviation rectifying machine has the advantages of high degree of integration, compact structure and easy installation, and solves the problem of oil suction with the oil pump away from the oil tank in winter.

Description

technical field [0001] The invention relates to a belt deviation correcting device of a belt conveyor, in particular to a passive hydraulic automatic belt deviation correcting device. Background technique [0002] At present, the typical structure of the passive hydraulic correction device is composed of the oil pump device installed on the outer side of the belt conveyor belt, the oil cylinder that drives the self-aligning roller to rotate, the oil tank where the hydraulic control valve is placed, the connecting oil pipe and the bracket. [0003] Chinese Patent No. 99247560.0 discloses a passive hydraulic deviation correction device. The working principle of the passive hydraulic rectifying device is: after the belt deviates, the belt touches the detection drive wheel on the deviation side, and the detection drive wheel obtains driving force to rotate. The detection drive wheel is installed on the input shaft of the oil pump, and the detection drive wheel The rotation of t...

AI Technical Summary

Problems solved by technology

[0004] The first shortcoming of this device is that the inspection and drive wheels, oil pumps, oil cylinders, oil tanks, and oil pipes are installed in scattered positions, and the design is unreasonable, so they cannot be integrated together. The entire equipment must be delivered in parts and assembled on site.

The labor cost of oil injection installation and commissioning on site is relatively high, and the work quality is greatly affected by the site environment

In addition, since the relative position of the equipment will inevitably change when the parts are assembled on site, it also leads to the problem that the oil pipes between the connecting equipment are too long or too short and not neat

[0005] The second disadvantage of this device is that the control valve group is placed in the fuel tank. Although this arrangement has a protective effect on the valve group, because the fuel tank has the function of replenishing oil and exhausting, it is generally placed at the highest position in the system. Go through the valve group and go to the oil cylinder, so the oil pipe of the inspection wheel oil pump at the far end of the oil tank needs to be lengthened by more than one meter

The non-powered gear oil pump has poor self-priming ability, and the lengthening of the oil pipe increases the difficulty of oil suction for the inspection and driving wheel in winter, causing failures that the oil pump cannot absorb oil or the shaft end of the oil pump leaks.

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