Movable pump station

Abstract

The invention relates to a movable pump station. A pump of the movable pump station comprises a pump body with a cylindrical hole inner cavity. A rotor with the rotating axis extending in the front-back direction is arranged in the pump body, the cross section of the rotor is elliptic, the cross section of the rotor has two tangency points with a cylindrical inner hole, a liquid inlet and a liquid outlet are formed in the pump body, the liquid inlet and the liquid outlet are partitioned through a partition plate, one end of the partition plate is in sliding pushing fit with the peripheral face of the rotor, the two ends of the rotor in the long diameter direction are provided with oil guiding channels linked with the two peripheral sides of the rotor, a blocking block is assembled inside the rotor in the long diameter direction in a guiding and movable mode, the blocking block has a first position avoiding the oil guiding channels and a second position moving outwards under the effect of centrifugal force to block the oil guiding channels in the movable stroke, and a spring exerting acting force to the blocking block so as to force the blocking block to be in the first position is arranged on the rotor. The movable pump station can lower motor starting loads.

Description

technical field [0001] The invention relates to a mobile pump station. Background technique [0002] At present, due to the low design standards of drainage systems in many cities in our country, the drainage capacity is seriously insufficient. Improving the urban flood control and drainage capacity as soon as possible has become a top priority for the development of urbanization in our country. Therefore, mobile pumping stations for flood control and emergency rescue play a key role. Existing mobile pumping stations include automobiles and vehicle-mounted pumping stations installed on vehicles. The main components of vehicle-mounted pumping stations are motors and pumps. Therefore, the performance of motors and pumps determines the performance of mobile pumping stations. [0003] An existing pump such as the "pump" disclosed in Chinese patent CN101749228A includes a base on which a pump body is provided. The rotor extending in the front and rear direction has two tangent p...

AI Technical Summary

Problems solved by technology

The existing problem of this kind of pump is: the rotor is driven by the motor to rotate, corresponding to the motor, the start-up load is large, not only the power consumption but also the loss of the motor is large, and in the prior art, when the motor is started, the low pressure cavity The motor is already filled with hydraulic oil, and the start of the motor can only be completed by working on the hydraulic oil, which increases the starting load of the motor, which not only leads to an increase in the minimum power when the motor is selected, but also affects the normal energy consumption of the motor

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