A progressive distributor anti-blocking method, device and pumping machinery

Abstract

The invention discloses an anti-blocking method, a device and a pumping machine for a progressive distributor. The method is applied to a system comprising the progressive distributor and a hydraulic valve; a valve core hole is formed in a valve body of the progressive distributor; a sliding valve core is arranged in the valve core hole; the valve body is provided with plugs at the two ends of the valve core hole; oil ports for communicating the inside with the outside of the progressive distributor are formed on the plugs; pistons are arranged between the oil ports in the valve core hole and the valve core; and the oil ports are connected with the hydraulic valve through an oil circuit. The method comprises the following step that: when the valve core stops moving due to blockage, the hydraulic valve conveys hydraulic oil to the oil port formed on the plug on one side of the valve core so as to push the piston to move and further push the valve core to move. Through the structure, when the valve core of the progressive distributor is blocked, the failure is quickly removed to quickly recover the normal work of the progressive distributor.

Description

technical field [0001] The invention relates to the field of mechanical technology, in particular to a progressive distributor anti-blocking method, device and pumping machinery. Background technique [0002] With the rapid development of the real estate industry and infrastructure construction, pumping machinery is more widely used, such as figure 1 As shown, it is a structural schematic diagram of a progressive distributor in a pumping machine in the prior art, which is composed of a valve body, a valve core and a plug. The lubricating grease entering the oil port is continuously delivered to different positions of the pumping machinery to ensure the normal operation of the pumping machinery. [0003] However, in the actual operation process, due to the impurities in the grease, the oil hole set on the valve core in the progressive distributor is often blocked, or the contact surface between the valve core and the progressive distributor is blocked, and due to The spool ...

AI Technical Summary

Problems solved by technology

[0003] However, in the actual operation process, due to the impurities in the grease, the oil hole provided on the valve core in the progressive distributor is often blocked, or the contact surface between the valve core and the progressive distributor is blocked. The spool in the progressive distributor moves progressively in sequence. If a spool is blocked, the spool will be stuck by the blockage and cannot move, which will cause the entire progressive distributor to fail to work. When the progressive distributor needs to be dismantled to clear the blockage, this greatly affects the construction efficiency and brings an extra burden to the normal construction

[0004] In the prior art, there is no solution to the above technical problems

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