Deep-well pump and pump body and motor drive mounting structure
A technology of motor drive and installation structure, which is applied in the direction of pump devices, machines/engines, liquid fuel engines, etc. It can solve the problems of eccentric support and affect the balance of drive shaft support, so as to avoid hard impact, improve stability and reduce vibration Effect
Pending Publication Date: 2022-07-29
陈光强
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Problems solved by technology
[0004] However, during the rotation of the transmission shaft, the radial pressure of the impeller will produce radial swing, which will easily cause the eccentric support of the transmission support parts on the transmission shaft, affecting the support balance of the transmission shaft
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[0025] The invention discloses a pump body and a motor drive installation structure, which improves the stability of the pump body and the motor drive structure; the invention also provides a deep well pump.
[0026] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.
[0027] like Figure 1-Figure 3 shown, figure 1 A schematic cross-sectional view of the arrangement structure of the pump body and the motor provided by the present invention;
[0028] figure 2 A cross-sectional view in the first directio...
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The invention provides a pump body and motor drive mounting structure, a motor extends out of a drive shaft, a transmission shaft is arranged in a pump body, and a coupler is arranged between the drive shaft and the transmission shaft; a vibration reduction structure is arranged on the coupler and provided with a first flexible supporting structure extending towards an inner ring of a coupling hole of the coupler. The vibration reduction structure is located between the driving shaft and the coupler and / or located between the transmission shaft and the coupler. According to the arrangement structure of the vibration reduction structure, the transmission structure of the coupler and the shaft end is adjusted to be combined with the coupler to transmit power after being directly driven by the shaft and the coupler to radially support the driving shaft or the transmission shaft through the first flexible supporting structure, so that hard impact of the shaft and the coupler is avoided; vibration of the coupler in the power transmission process between the driving shaft and the transmission shaft is reduced, and the stability of the pump in the working process is improved. The invention further provides a deep-well pump.
Description
technical field [0001] The invention relates to the technical field of deep well pumps, and more particularly, to a deep well pump and a pump body and a motor-driven installation structure. Background technique [0002] The deep well pump is a pump that integrates the motor and the pump body and is immersed in the groundwater well to pump and transport water. [0003] The motor is located at the bottom of the pump body, the top of the pump body is the water outlet, and the drive shaft of the motor is connected to the drive shaft of the pump body to drive the impeller to pump water. When the existing pump body drive shaft and the motor drive shaft perform power transmission, the two shafts are connected through a drive support member, and at the same time, the drive support member provides an axial support limit to the end of the drive shaft. [0004] However, during the rotation of the transmission shaft, the radial pressure of the impeller will cause radial oscillation, wh...
Claims
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IPC IPC(8): F04D13/10F04D29/04F04D29/66
CPCF04D13/10F04D29/04F04D29/669
Inventor 陈光强郑巧礼蔡卓
Owner 陈光强