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a pumping station

A pumping station and pump body technology, applied to pump components, rotary piston type/swing piston type pump components, machines/engines, etc., can solve the problem of large motor starting load

Inactive Publication Date: 2019-01-08
HENAN MECHANICAL & ELECTRICAL VOCATIONAL COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a pumping station to solve the problem that the starting load of the motor in the existing pumping station is relatively large

Method used

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Embodiment Construction

[0020] The embodiment of pumping station among the present invention is such as Figure 1~9 Shown: comprise motor 37 and pump 36, and pump 36 comprises the pump body 2 that has cylindrical hole inner cavity, is provided with the rotor 5 that rotation axis extends along the front-back direction in pump body 2, and the cross-section of rotor is polygonal structure, and Each side is in a concave arc shape, and a convex rib 50 extending along the front and back directions that is tangent to the cylindrical hole is formed between two adjacent sides, and the pump body is provided with a liquid inlet hole separated by a partition 9 8 and the liquid outlet hole 1, the partition 9 can move back and forth along the radial direction of the rotor, and the inner end of the partition 9 is slidingly and push-fitting with the outer peripheral surface of the rotor 5 . Each rib 50 is provided with an oil guide channel 7 connecting the circumferential sides of the rib. The longitudinal section o...

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Abstract

The invention relates to a pump station. The pump station comprises a motor, and a pump driven by the motor; the pump comprises a pump body with a columnar hole inner cavity; a rotor is arranged in the pump body; the section of the rotor is of a polygonal structure; convex edges tangential to a columnar hole are formed between two adjacent edges; each convex edge is provided with an oil conducting channel communicating with two peripheral sides of the convex edge; the rotor is assembled with a blockage block in a guide moving manner in the radial direction of the rotor; the blockage block has a first position of avoiding from the oil conducting channel in the moving travel, and a second position of outwards moving to block the oil conducting channel under the effect of centrifugal force; the rotor is provided with a spring for applying the acting force to the blockage block to force the blockage block to locate in the first position; blockage block end teeth are arranged at the outer end part of the blockage block; and rotor end teeth for insertion matching with the blockage block end teeth in the second position to form a labyrinth sealing structure are arranged on the corresponding side channel wall of the oil conducting channel. The pump station solves the problem of higher starting load of a motor in a traditional pump station.

Description

technical field [0001] The invention relates to a pumping station. Background technique [0002] A general pumping station mainly includes a motor, a pump and a hydraulic oil tank. The motor and the pump are the core components of the pumping station, and their performance is crucial to the pumping station. Existing pumps such as the "pump" disclosed in Chinese patent CN101749228A include a base on which a pump body is provided. The extended rotor has a polygonal cross-section, and the edge between two adjacent sides is tangent to the cylindrical space. There is a hole on the outer periphery of the pump body, and a baffle is installed at the hole to guide and move. The baffle divides the hole into a liquid inlet and a liquid outlet. The rotor is a cylinder. [0003] When in use, the rotor rotates clockwise, and the cavities on both sides of the rotor communicate with the liquid inlet and the liquid outlet respectively. The cavity connected with the liquid inlet is a low-pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C15/00
CPCF04C15/0023
Inventor 张卓
Owner HENAN MECHANICAL & ELECTRICAL VOCATIONAL COLLEGE
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