Borehole shaft driven pump

A deep well pump and long shaft technology, applied in the field of hydraulic machinery, can solve the problems of being unable to bear the axial force, not making explosion-proof type, limiting the scope of application of long shaft deep well pumps, etc., to achieve cost saving, good heat dissipation, and broaden the application field Effect

Active Publication Date: 2014-07-30
LANSHEN GRP CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the structural and bearing reasons, the special motor for long-axis deep well pump cannot bear greater axial force. At present, the common long-axis deep well pump special motor (YLB type) in the domestic market can only reach 400kw at most.
Seriously restricting the large-scale development of long-axis deep well pumps
In addition, at present, there is no explosion-proof type of special motor for long-axis deep well pumps in China, which also makes it unable to be used in fields such as coal mines, oil and gas, petrochemical and chemical industries, and limits the scope of application of long-axis deep well pumps.

Method used

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Embodiment Construction

[0018] The following description is merely exemplary in nature and not intended to limit the disclosure, application or use. It should be understood that throughout the drawings, corresponding reference numerals indicate like or corresponding parts and features.

[0019] Such as figure 1 Shown is the structural diagram of the long-axis deep well pump of the present invention. The long-axis deep well pump of the present invention includes a common vertical three-phase asynchronous motor 1, a pump base part 2, a water pipe part 3, a working part 4 and a thrust device 5, wherein the common vertical Type three-phase asynchronous motor 1 is contained in thrust device 5 tops, and thrust device 5 is contained in the pump seat part 2 tops, and the lifting pipe part 3 is installed in the pump seat part 2 bottoms, and the working part 4 is installed in the pumping pipe part 3 bottoms.

[0020] Such as figure 2 As shown in the structural diagram of the thrust device, the thrust devic...

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Abstract

The invention relates to a borehole shaft driven pump. The scheme that a vertical three-phase asynchronous motor is used for replacing a motor dedicated for a long shaft pump is adopted; a thrust device is arranged between the motor and a pump base for bearing the weight of a pump rotation component and axial force generated when the pump rotation component is operated; the thrust device comprises parts, such as a thrust bearing, a cooling device, a backstop and the like. According to the technical scheme disclosed by the invention, the vertical three-phase asynchronous motor and an explosion-proof vertical motor which can not bear the axial force can be selected so as to widen the application range of the borehole shaft driven pump and enlarge the operation performance range of the borehole shaft driven pump. Higher power, bigger flow and higher lift can be provided, and therefore the borehole shaft driven pump has a wider power range and more application ranges, thereby being favorable for the borehole shaft driven pump to develop to the large-scale multiple ranges.

Description

technical field [0001] The invention belongs to the technical field of hydraulic machinery, and in particular relates to a long-axis deep well pump. Background technique [0002] As a pump type with a long history, the long shaft deep well pump has been applied in many occasions. In recent years, with the development of pump industry technology, long-axis deep well pumps have also been widely used. However, with the improvement of the performance parameters of the long-axis deep well pump, the flow rate is getting larger and the head is getting higher and higher, and the traditional long-axis deep well pump structure has exposed some serious deficiencies. [0003] Such as image 3 The traditional long-axis deep well pump shown usually has such a structure, mainly including four parts: the special motor 14 for the long-axis deep well pump, the pump base part 2, the lifting pipe part 3, and the working part 4. From image 3 It can be seen from the figure that the axial force...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D13/10F04D29/04F04D29/044F04D29/049F04D29/041F04D29/58
Inventor 黄学军王林勇孙义军余必升许荣军顾玉中马金星
Owner LANSHEN GRP CORP LTD
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