CN106286281A - A kind of screw immersible pump - Google Patents

A kind of screw immersible pump Download PDF

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Publication number
CN106286281A
CN106286281A CN201610814860.8A CN201610814860A CN106286281A CN 106286281 A CN106286281 A CN 106286281A CN 201610814860 A CN201610814860 A CN 201610814860A CN 106286281 A CN106286281 A CN 106286281A
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CN
China
Prior art keywords
screw
screw shaft
screw rod
pressure regulating
cavity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610814860.8A
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Chinese (zh)
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CN106286281B (en
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Dahuang Machinery Co ltd
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Individual
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Priority to CN201610814860.8A priority Critical patent/CN106286281B/en
Publication of CN106286281A publication Critical patent/CN106286281A/en
Application granted granted Critical
Publication of CN106286281B publication Critical patent/CN106286281B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/08Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/16Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C13/00Adaptations of machines or pumps for special use, e.g. for extremely high pressures
    • F04C13/008Pumps for submersible use, i.e. down-hole pumping
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0042Systems for the equilibration of forces acting on the machines or pump
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/08Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/082Details specially related to intermeshing engagement type machines or pumps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The present invention relates to a kind of screw immersible pump, including the housing with screw rod cavity, the one group of screw rod being arranged in screw rod cavity, screw rod lower end connects inlet channel, upper end connects water outlet, screw shaft rear and front end is by bearings, screw shaft couples the first motor by drive mechanism, it is provided with pressure regulating cavity on the housing of screw shaft rear end, screw shaft rear end is inserted in this pressure regulating cavity, pressure regulating cavity is embedded with airtight and watertight padding with the gap location of screw shaft, and the top of screw rod cavity is offered between cannelure, cannelure and pressure regulating cavity lead to along perisporium and passed through pipeline connection.The hydraulic pressure of screw pump front end is introduced to the rear end of screw shaft by the present invention, screw shaft is pushed up, resist the powerful recoil suffered by screw rod, the stress making screw shaft more balances, thus reduce the load of bearing, reduce the abrasion of bearing, extend the service life of immersible pump, and provide guarantee for improving screw pump rotating speed further.

Description

A kind of screw immersible pump
Technical field
The present invention relates to a kind of immersible pump, particularly a kind of screw immersible pump.
Background technology
Immersible pump is the visual plant of deep-well water lift, is widely used in industrial or agricultural.
In general, water pump can be divided into according to drainage principle: one, impeller pump, such as: centrifugal pump, mixed-flow pump, axial-flow pump Deng, Turo pump;Two, displacement pump, such as: plunger displacement pump, gear pump, screw pump, vane pump etc.;Three, other types, such as: jet pump, water Hammer pump etc..
Screw pump belongs to displacement pump, and lift height single current amount is few, is particularly suitable for and loosens thick liquid.When screw rod high speed rotating Time, rear end bearing is subject to bigger pressure, accelerated wear test, also limit the rotating speed of screw pump simultaneously.Bearing pressure mainly comes From in the counteracting force of screw rod, and for a screw submersible pump, this counteracting force is mainly by rotating speed and outlet pressures Determine.When the high rotating speed of needs, preferable solution is that the pressure reducing the port of export realizes.But, in the face of big lift Demand, reduces outlet pressures and becomes a difficult problem.
Summary of the invention
It is an object of the invention to: overcome the defect of above-mentioned prior art, propose the work side of a kind of screw immersible pump Method.
In order to achieve the above object, the screw immersible pump that the present invention proposes, including having the housing of screw rod cavity, arrange One group of screw rod in screw rod cavity, described screw rod lower end connects an inlet channel, and upper end connects water outlet, before and after screw shaft two End is by bearings, and screw shaft couples the first motor by drive mechanism, it is characterised in that: on the housing of described screw shaft rear end Being provided with pressure regulating cavity, described screw shaft rear end is inserted in this pressure regulating cavity, and the gap location of pressure regulating cavity and screw shaft is embedded with sealing and fills out Material, the top of described screw rod cavity is offered between cannelure, described cannelure and pressure regulating cavity lead to along perisporium and is passed through pipeline connection.Institute The method of work stated includes: the hydraulic pressure of screw pump front end is introduced to the rear end of screw shaft, is pushed up by screw shaft, resist spiral shell Powerful recoil suffered by bar, makes the stress balance of screw shaft.
Screw immersible pump of the present invention, is further improved by:
1, the inwall of described inlet channel has helical structure.
2, being provided with buffer chamber on described pipeline, the volume of described buffer chamber is not less than the 10 of pressure regulating cavity cumulative volume Times.
3, described buffer chamber is arranged near cannelure one end.
The hydraulic pressure of screw pump front end is introduced to the rear end of screw shaft by the present invention, is pushed up by screw shaft, resists screw rod Suffered powerful recoil, makes the stress of screw shaft more balance, thus reduces the load of bearing, reduces the mill of bearing Damage, extend the service life of immersible pump, and provide guarantee for improving screw pump rotating speed further.
Buffer chamber is set near cannelure one end and can reduce the high speed shake of cannelure output current, it is ensured that pressure regulating cavity Inside possess more stable pressure, stop the generation of bearing shake.
Accompanying drawing explanation
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is screw submersible pump structure schematic diagram of the present invention.
In figure, label is schematically as follows:
1-screw rod cavity, 2-housing, 3-screw rod, 4-inlet channel, 5-water outlet, 6-screw shaft, 7-bearing, 8-drive mechanism, 9- First motor, 15-pressure regulating cavity, 16-pipeline, 17-buffer chamber, 18-cannelure.
Detailed description of the invention
The present invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As it is shown in figure 1, be screw immersible pump of the present invention, including having the housing 2 of screw rod cavity 1, it is arranged at screw rod chamber One group of screw rod 3 of internal 1, screw rod 3 lower end connects inlet channel 4, and upper end connects has water outlet 5, the inwall of inlet channel 4 to have spiral shell Rotation shape structure, screw shaft 6 rear and front end is supported by bearing 7, and screw shaft 6 couples the first motor 9, screw shaft 6 by drive mechanism 8 Being provided with pressure regulating cavity 15 on the housing of rear end, screw shaft 6 rear end inserts in this pressure regulating cavity 15, between pressure regulating cavity 15 and screw shaft 6 Being embedded with airtight and watertight padding at gap, cannelure 18 is offered along perisporium in the top of screw rod cavity 1, cannelure 18 and pressure regulating cavity 15 logical between Being connected by pipeline 16, pipeline 16 is provided with buffer chamber 17 near cannelure 18 one end, the volume of buffer chamber 17 is not 10 times of pressure regulating cavity 15 cumulative volume.
In addition to the implementation, the present invention can also have other embodiments.All employing equivalents or equivalent transformation shape The technical scheme become, all falls within the protection domain of application claims.

Claims (1)

1. a method of work for screw immersible pump, including having the housing of screw rod cavity, is arranged in screw rod cavity Group screw rod, described screw rod lower end connects inlet channel, and upper end connects water outlet, and screw shaft rear and front end is by bearings, spiral shell Bar axle couples the first motor by drive mechanism, it is characterised in that: it is provided with pressure regulating cavity on the housing of described screw shaft rear end, institute Stating screw shaft rear end and insert in this pressure regulating cavity, pressure regulating cavity is embedded with airtight and watertight padding, described screw rod cavity with the gap location of screw shaft Top along perisporium offer cannelure, described cannelure and pressure regulating cavity logical between pass through pipeline connection;
Described method of work includes: the hydraulic pressure of screw pump front end is introduced to the rear end of screw shaft, is pushed up by screw shaft, comes The antagonism powerful recoil suffered by screw rod, makes the stress balance of screw shaft;
The inwall of described inlet channel has helical structure.
CN201610814860.8A 2014-07-29 2014-07-29 A kind of screw immersible pump Active CN106286281B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610814860.8A CN106286281B (en) 2014-07-29 2014-07-29 A kind of screw immersible pump

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610814860.8A CN106286281B (en) 2014-07-29 2014-07-29 A kind of screw immersible pump
CN201410364326.2A CN104196718B (en) 2014-07-29 2014-07-29 Screw immersible pump

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201410364326.2A Division CN104196718B (en) 2014-07-29 2014-07-29 Screw immersible pump

Publications (2)

Publication Number Publication Date
CN106286281A true CN106286281A (en) 2017-01-04
CN106286281B CN106286281B (en) 2018-05-18

Family

ID=52082062

Family Applications (5)

Application Number Title Priority Date Filing Date
CN201610813669.1A Pending CN106401946A (en) 2014-07-29 2014-07-29 Screw type immersible pump with long service life
CN201610813945.4A Active CN106286280B (en) 2014-07-29 2014-07-29 Screw immersible pump
CN201610814860.8A Active CN106286281B (en) 2014-07-29 2014-07-29 A kind of screw immersible pump
CN201410364326.2A Expired - Fee Related CN104196718B (en) 2014-07-29 2014-07-29 Screw immersible pump
CN201610816373.5A Pending CN106246535A (en) 2014-07-29 2014-07-29 The screw immersible pump that a kind of service life is longer

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CN201610813669.1A Pending CN106401946A (en) 2014-07-29 2014-07-29 Screw type immersible pump with long service life
CN201610813945.4A Active CN106286280B (en) 2014-07-29 2014-07-29 Screw immersible pump

Family Applications After (2)

Application Number Title Priority Date Filing Date
CN201410364326.2A Expired - Fee Related CN104196718B (en) 2014-07-29 2014-07-29 Screw immersible pump
CN201610816373.5A Pending CN106246535A (en) 2014-07-29 2014-07-29 The screw immersible pump that a kind of service life is longer

Country Status (1)

Country Link
CN (5) CN106401946A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105104107B (en) * 2015-08-17 2017-08-08 宁波江东晟利工业产品设计有限公司 A kind of mechanical automatic drip irrigation system

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US3391643A (en) * 1966-02-07 1968-07-09 Warren Pumps Inc Sub-surface pump
US4439121A (en) * 1982-03-02 1984-03-27 Dunham-Bush, Inc. Self-cleaning single loop mist type lubrication system for screw compressors
CN202280615U (en) * 2011-09-15 2012-06-20 天津泵业机械集团有限公司 Immersion type double-screw cargo oil pump
CN202326258U (en) * 2011-11-18 2012-07-11 烟台哈特福德压缩机有限公司 Motor exhaust and cooling device for vertical screw compressor
CN202937447U (en) * 2012-12-13 2013-05-15 黄山工业泵制造有限公司 Compact drowned three-screw pump

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SE465527B (en) * 1990-02-09 1991-09-23 Svenska Rotor Maskiner Ab SCREW ROUTE MACHINE WITH ORGAN FOR AXIAL BALANCE
CN2161754Y (en) * 1993-04-03 1994-04-13 廖增雪 Water pump
SE501893C2 (en) * 1993-10-14 1995-06-12 Svenska Rotor Maskiner Ab Screw compressor with variable axial balancing means
DE19820622A1 (en) * 1998-05-09 1999-11-11 Peter Frieden Demountable pump or compressor for chemical or food processing industry
US6050797A (en) * 1998-05-18 2000-04-18 Carrier Corporation Screw compressor with balanced thrust
JP3559222B2 (en) * 2000-06-15 2004-08-25 レオン自動機株式会社 Wrapping machine
US6520758B1 (en) * 2001-10-24 2003-02-18 Ingersoll-Rand Company Screw compressor assembly and method including a rotor having a thrust piston
US7419354B2 (en) * 2004-04-05 2008-09-02 Konstandinos Zamfes Centrifugal pump with screw pump accelerator
BE1016581A3 (en) * 2005-02-22 2007-02-06 Atlas Copco Airpower Nv IMPROVED WATER INJECTED SCREW COMPRESSOR ELEMENT.
CN201148970Y (en) * 2008-01-18 2008-11-12 大港油田集团有限责任公司 Double-screw rod delivery pump bearing support
KR20090112884A (en) * 2008-04-25 2009-10-29 주식회사 브이피에스 The screw type vacuum pump
CN201401302Y (en) * 2009-05-07 2010-02-10 窦敏洁 Wind-driving submersible pump
CN202023736U (en) * 2011-04-23 2011-11-02 江西新龙泵业科技制造有限公司 Splitting type double-screw pump
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391643A (en) * 1966-02-07 1968-07-09 Warren Pumps Inc Sub-surface pump
US4439121A (en) * 1982-03-02 1984-03-27 Dunham-Bush, Inc. Self-cleaning single loop mist type lubrication system for screw compressors
CN202280615U (en) * 2011-09-15 2012-06-20 天津泵业机械集团有限公司 Immersion type double-screw cargo oil pump
CN202326258U (en) * 2011-11-18 2012-07-11 烟台哈特福德压缩机有限公司 Motor exhaust and cooling device for vertical screw compressor
CN202937447U (en) * 2012-12-13 2013-05-15 黄山工业泵制造有限公司 Compact drowned three-screw pump

Also Published As

Publication number Publication date
CN106286281B (en) 2018-05-18
CN106401946A (en) 2017-02-15
CN106286280B (en) 2018-06-29
CN104196718A (en) 2014-12-10
CN106286280A (en) 2017-01-04
CN104196718B (en) 2016-10-12
CN106246535A (en) 2016-12-21

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Legal Events

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PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: You Yuqian

Inventor after: Xue Libo

Inventor after: Ma Chuanyuan

Inventor after: Wang Runyu

Inventor after: Xing Youjia

Inventor after: Wang Li

Inventor after: Yu Jie

Inventor after: Qiu Yi

Inventor after: Gao Yong

Inventor before: Request for anonymity

CB03 Change of inventor or designer information
TA01 Transfer of patent application right

Effective date of registration: 20180419

Address after: 250200 Shandong city of Ji'nan province Zhangqiu xianggongzhuang Village Phase

Applicant after: Shandong Dahuang Machinery Co.,Ltd.

Address before: 213000 North District, Jiangsu, Changzhou Jin Ling North Road, Hohai University

Applicant before: Wu Xiaozai

TA01 Transfer of patent application right
GR01 Patent grant
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