CN112555196A - Submersible gate pump - Google Patents

Submersible gate pump Download PDF

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Publication number
CN112555196A
CN112555196A CN202011459646.8A CN202011459646A CN112555196A CN 112555196 A CN112555196 A CN 112555196A CN 202011459646 A CN202011459646 A CN 202011459646A CN 112555196 A CN112555196 A CN 112555196A
Authority
CN
China
Prior art keywords
gate
flange
submersible pump
pump
water inlet
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
CN202011459646.8A
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Chinese (zh)
Other versions
CN112555196B (en
Inventor
朱庆龙
梁樑
荚小健
舒雪辉
钱凤辉
汪冰
江涵
魏庆军
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.)
Hefei Hengda Jianghai Pump Co Ltd
Original Assignee
Hefei Hengda Jianghai Pump Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hefei Hengda Jianghai Pump Co Ltd filed Critical Hefei Hengda Jianghai Pump Co Ltd
Priority to CN202011459646.8A priority Critical patent/CN112555196B/en
Publication of CN112555196A publication Critical patent/CN112555196A/en
Application granted granted Critical
Publication of CN112555196B publication Critical patent/CN112555196B/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
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4293Details of fluid inlet or outlet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings
    • F04D29/16Sealings between pressure and suction sides
    • F04D29/165Sealings between pressure and suction sides especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44Fluid-guiding means, e.g. diffusers
    • F04D29/445Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/60Mounting; Assembling; Disassembling
    • F04D29/62Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/628Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/669Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid 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 invention discloses a submerged gate pump, which comprises a gate and a through-flow type submersible pump, wherein one end of the gate is provided with a water inlet end flange, the other end of the gate is provided with a water outlet end flange, the water inlet end flange and the water outlet end flange are connected in the gate through a sealing cylinder, the outer circumference of the water inlet end of the through-flow type submersible pump is fixedly provided with a positioning ring, the front end surface of the positioning ring is provided with a guide conical surface, the water inlet end of the through-flow type submersible pump is provided with a pressing flange, the pressing flange is fixed on the water inlet end flange of the gate through a bolt, the inner hole of the rear end surface of the pressing flange is provided with a taper matched with the guide conical surface of the positioning ring, the inclined surface of the inner hole of the rear end surface of the pressing flange is abutted against the guide conical surface of the positioning ring, the, and adverse factors such as deformation of a submersible pump flange and the like improve the operation safety and reliability of the unit.

Description

Submersible gate pump
Technical Field
The invention belongs to the technical field of through-flow submersible pumps, and particularly relates to a submersible gate pump.
Background
The through-flow type submersible pump is a renewal product of the traditional through-flow pump unit, can be immersed in water for long-term operation, and is widely applied to the fields of industrial mines, docks, agricultural production, urban water supply and drainage, water supply engineering, power station water supply and drainage and the like.
The through-flow submersible pump and the gate are combined to form the through-flow submersible gate pump which is a key technology of an integrated pump gate station, the through-flow submersible pump and the gate are mostly fixedly connected with the gate through a flange at one end, the other end of the through-flow submersible pump is suspended, the through-flow submersible pump is installed in a cantilever manner (see figure 6), the unit vibration is easily generated due to poor stability, the equipment is fatigue-damaged, the safe use of the equipment is influenced, and safety accidents are generated.
Whether the assembly structure of the through-flow submersible pump and the gate is reasonable is crucial to whether the operation of a through-flow submersible gate pump unit is stable, safe and reliable, and the safe and stable operation of the integrated pump gate station is also concerned. Therefore, it is necessary to develop an assembly type of the through-flow type submersible pump and the gate, which has a simple structure, is convenient to assemble, and has safety performance, so as to ensure the operation safety of the integrated pump gate station.
Disclosure of Invention
The invention aims to provide a submerged gate pump, wherein a positioning ring with taper guide is arranged on an outer shell of a water inlet end of a through-flow type submersible pump, a taper guide section and a connecting flange are arranged on an outer shell of a water outlet end, a water inlet end flange and a water outlet end flange are respectively arranged at two ends of a gate, a guide cone cylinder is arranged in the through-flow type submersible pump, blind assembly and guide matching of the through-flow type submersible pump and the gate are realized, the through-flow type submersible pump and the gate are connected through a fastener, the through-flow type submersible pump and the gate are integrated, the submersible pump and the gate can move together, the gate and the submersible pump can be detached and separated, the through-flow type submersible pump is convenient to maintain, and the problems in the.
In order to achieve the purpose, the invention provides the following technical scheme:
a submerged gate pump comprises a gate and a through-flow type submersible pump, wherein a water inlet end flange is arranged at one end of the gate, a water outlet end flange is arranged at the other end of the gate, the water inlet end flange and the water outlet end flange are connected in the gate through a sealing barrel, the through-flow type submersible pump is arranged in the gate, and the through-flow type submersible pump penetrates through the sealing barrel on the gate;
a positioning ring is fixedly arranged on the outer circumferential surface of the water inlet end of the through-flow type submersible pump, a guide conical surface is arranged on the front end surface of the positioning ring, a pressing flange is arranged at the water inlet end of the through-flow type submersible pump and is fixed on a water inlet end flange of the gate through a bolt, a taper matched with the guide conical surface of the positioning ring is arranged on an inner hole of the rear end surface of the pressing flange, and an inclined surface on the inner hole of the rear end surface of the pressing flange is abutted against the guide conical surface of the positioning ring;
the guide section is fixedly arranged on the outer circumferential surface of the water outlet end of the through-flow type submersible pump, the side surface of the guide section is connected with a connecting flange, and the connecting flange is fixed on a water outlet end flange of the gate through a stud and a nut.
As a still further scheme of the invention: and taper pipes are arranged in the water inlet end flange and the sealing cylinder.
As a still further scheme of the invention: the angle between the taper pipe and the horizontal included angle is 5-45 degrees.
As a still further scheme of the invention: and a sealing ring groove is formed in the guiding conical surface at the front end of the positioning ring, and a first sealing ring is arranged in the sealing ring groove of the positioning ring.
As a still further scheme of the invention: the angle between the guide conical surface at the front end of the positioning ring and the horizontal included angle is 5-45 degrees.
As a still further scheme of the invention: the front end of the guide section is provided with a guide conical surface, and the angle between the guide conical surface at the front end of the guide section and the horizontal included angle is 5-45 degrees.
As a still further scheme of the invention: the angle between the taper on the inner hole on the rear end face of the compression flange and the horizontal included angle is 5-45 degrees.
As a still further scheme of the invention: the outer diameter of the positioning ring on the outer circumferential surface of the water inlet end of the through-flow type submersible pump is smaller than the outer diameter of the guide section on the outer circumferential surface of the water outlet end of the through-flow type submersible pump.
As a still further scheme of the invention: and a second sealing ring is arranged between the connecting flange and the gate water outlet end flange.
Compared with the prior art, the invention has the beneficial effects that:
1. the traditional through-flow type submersible pump is connected with a single flange assembled by a gate, the water pump is installed in a cantilever state, double-end support is changed, adverse factors such as unit vibration and submersible pump flange deformation are effectively changed, and unit operation safety and reliability are improved;
2. the outer circle of the water inlet end of the through-flow type submersible pump is provided with a positioning ring, the front part of the positioning ring is provided with a guide conical surface, the conical surface is provided with a sealing ring groove, and a sealing ring is arranged on the sealing ring groove and can be compressed for vibration reduction;
3. the guide section arranged on the outer circle of the water outlet end of the through-flow type submersible pump is matched with the flange of the water outlet end of the gate, so that blind assembly of the through-flow type submersible pump can be realized;
4. a water inlet end flange of the gate and the sealing cylinder are internally provided with taper pipes, so that blind assembly of the through-flow type submersible pump can be realized;
5. the pressing flange is matched with a guide conical surface at the front part of the positioning ring through a conical surface to press the through-flow type submersible pump, so that the double ends of the unit are supported and fixed to improve the operation safety and reliability of the unit.
6. The through-flow type submersible pump is assembled with the gate and connected through the fastener, so that the through-flow type submersible pump and the gate are integrated, the submersible electric pump and the gate can move together, and the gate and the submersible electric pump can be detached and separated, so that the maintenance of the through-flow type submersible pump is facilitated.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of a submersible gate pump.
FIG. 2 is a schematic diagram showing the structure of a hole pattern of a gate and a pump in a submersible gate pump
Fig. 3 is a schematic structural diagram of an outline view of a submersible pump in a submerged gate pump.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is an enlarged view of fig. 3 at B.
FIG. 6 is a schematic view of the installation of the original through-flow type submersible pump and the gate.
In the figure: 1. a water inlet end flange; 2. a taper pipe; 3. a sealing cylinder; 4. a gate; 5. a water outlet end flange; 6. A first sealing ring; 7. a bolt; 8. compressing the flange; 9. a second sealing ring; 10. a stud; 11. a nut; 12. A through-flow submersible pump; 13. a positioning ring; 14. a guide section; 15. and connecting the flanges.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, in an embodiment of the present invention, a submersible gate pump includes a gate 4 and a tubular submersible pump 12, one end of the gate 4 is provided with a water inlet flange 1, the other end of the gate 4 is provided with a water outlet flange 5, the water inlet flange 1 and the water outlet flange 5 are connected inside the gate 4 through a sealing cylinder 3, the tubular submersible pump 12 is arranged inside the gate 4, the tubular submersible pump 12 is arranged on the gate 4 to penetrate through the sealing cylinder 3, a positioning ring 13 with taper guide is arranged on an outer shell of the water inlet end of the tubular submersible pump 12, a housing with taper guide section 14 and a connecting flange 15 are arranged on an outer shell of the water outlet end, the water inlet flange 1 and the water outlet flange 5 are respectively arranged at two ends of the gate 4, so that the water inlet end of the tubular submersible pump 12 is fixedly connected with the water inlet flange 1 of the gate 4 through a pressing flange 8 by a bolt 7, the water outlet end of the through-flow type submersible pump 12 is fixedly connected with the water outlet end flange 5 of the gate 4 through the connecting flange 15 and the stud 10 and the nut 11, so that the through-flow type submersible pump 12 and the gate 4 are integrated, the through-flow type submersible pump 12 and the gate 4 can move together, the through-flow type submersible pump 12 and the gate 4 can be detached and separated, and the maintenance of the through-flow type submersible pump 12 is facilitated.
Fixed holding ring 13 that is provided with on the 12 outer circumferences of end of intaking of through-flow immersible pump, the direction conical surface has been seted up on the preceding terminal surface of holding ring 13, the end of intaking of through-flow immersible pump 12 is provided with hold-down flange 8, hold-down flange 8 passes through bolt 7 to be fixed on the intake end flange 1 of gate 4, set up the tapering with 13 direction conical surface looks adaptations of holding ring on the rear end face hole of hold-down flange 8, the inclined plane on the 8 rear end face holes of hold-down flange offsets with the direction conical surface of holding ring 13, realizes through hold-down flange 8 that through-flow immersible pump 12 is fixed at the 4 intake end of gate promptly, makes through-flow immersible pump 12 realize both ends fixed on gate 4, improves unit operation.
And a sealing ring groove is formed in the guiding conical surface at the front end of the positioning ring 13, and a sealing ring I6 is arranged in the sealing ring groove of the positioning ring 13, so that the sealing property of the connection between the through-flow type submersible pump 12 and the gate 4 is improved, and meanwhile, the compression and vibration reduction can be realized.
The outer circumferential surface of the water outlet end of the through-flow type submersible pump 12 is fixedly provided with a guide section 14, the side surface of the guide section 14 is connected with a connecting flange 15, the connecting flange 15 is fixed on the water outlet end flange 5 of the gate 4 through a stud 10 and a nut 11, a second sealing ring 9 is arranged between the connecting flange 15 and the water outlet end flange 5 of the gate 4, and leakage can be effectively prevented through the second sealing ring 9.
The water inlet end flange 1 and the sealing barrel 3 are internally provided with the taper pipes 2, so that the blind assembly combination of the through-flow type submersible pump 12 can be realized.
The included angle between the taper pipe 2 and the horizontal is 5-45 degrees.
The angle between the guiding conical surface at the front end of the positioning ring 13 and the horizontal included angle is 5-45 degrees.
The front end of the guide section 14 is provided with a guide conical surface, and the angle between the guide conical surface at the front end of the guide section 14 and the horizontal included angle is 5-45 degrees.
The angle between the taper on the inner hole of the rear end face of the hold-down flange 8 and the horizontal included angle is 5-45 degrees.
The outer diameter of the positioning ring 13 on the outer circumferential surface of the water inlet end of the through-flow type submersible pump 12 is smaller than the outer diameter of the guide section 14 on the outer circumferential surface of the water outlet end of the through-flow type submersible pump 12, so that the through-flow type submersible pump 12 and the gate 4 can be conveniently assembled, guided and assembled.
Assembling the through-flow type submersible pump 12 and the gate 4:
the method comprises the following steps: arranging the through-flow type submersible pump 12 inside the gate 4, and arranging the through-flow type submersible pump 12 on the gate 4 in a way of penetrating through the sealing cylinder 3;
step two: a first sealing ring 6 is arranged in a sealing ring groove of a guide conical surface at the front end of the positioning ring 13, and a second sealing ring 9 is arranged between the connecting flange 15 and the water outlet end flange 5 of the gate 4;
step three: the water inlet end of the through-flow type submersible pump 12 is fixedly connected with the water inlet end flange 1 of the gate 4 through a pressing flange 8 through a bolt 7, and the water outlet end of the through-flow type submersible pump 12 is fixedly connected with the water outlet end flange 5 of the gate 4 through a connecting flange 15 through a stud 10 and a nut 11, so that the through-flow type submersible pump 12 and the gate 4 are integrated.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (9)

1. A submerged gate pump, which is characterized in that; the water-saving gate comprises a gate (4) and a through-flow type submersible pump (12), wherein a water inlet end flange (1) is arranged at one end of the gate (4), a water outlet end flange (5) is arranged at the other end of the gate (4), the water inlet end flange (1) is connected with the water outlet end flange (5) in the gate (4) through a sealing barrel (3), the through-flow type submersible pump (12) is arranged in the gate (4), and the through-flow type submersible pump (12) penetrates through the sealing barrel (3) on the gate (4);
a positioning ring (13) is fixedly arranged on the outer circumferential surface of the water inlet end of the through-flow type submersible pump (12), a guide conical surface is arranged on the front end surface of the positioning ring (13), a pressing flange (8) is arranged at the water inlet end of the through-flow type submersible pump (12), the pressing flange (8) is fixed on the water inlet end flange (1) of the gate (4) through a bolt (7), the inner hole of the rear end surface of the pressing flange (8) is provided with a taper matched with the guide conical surface of the positioning ring (13), and the inclined surface on the inner hole of the rear end surface of the pressing flange (8) is abutted against the guide conical surface of the positioning ring (13);
the cross-flow submersible pump is characterized in that a guide section (14) is fixedly arranged on the outer circumferential surface of the water outlet end of the cross-flow submersible pump (12), the side surface of the guide section (14) is connected with a connecting flange (15), and the connecting flange (15) is fixed on a water outlet end flange (5) of the gate (4) through a stud (10) and a nut (11).
2. A submersible gate pump according to claim 1, characterized in that the water inlet end flange (1) and the sealing cylinder (3) are internally provided with a taper pipe (2).
3. A submersible sluice pump according to claim 2, characterised in that the angle of the cone (2) with the horizontal is 5 ° -45 °.
4. The submersible gate pump according to claim 1, wherein a sealing ring groove is formed in the guiding conical surface of the front end of the positioning ring (13), and a first sealing ring (6) is arranged in the sealing ring groove of the positioning ring (13).
5. A pump according to claim 1, characterized in that the angle of the guiding cone of the front end of the positioning ring (13) with the horizontal is 5 ° -45 °.
6. The submersible gate pump according to claim 1, wherein the front end of the guide section (14) is provided with a guide conical surface, and the angle between the guide conical surface of the front end of the guide section (14) and the horizontal is 5-45 °.
7. A submersible sluice pump according to claim 1, characterised in that the angle of the taper of the inner bore in the rear end face of the hold-down flange (8) with the horizontal is 5 ° to 45 °.
8. The submersible gate pump according to claim 1, characterized in that the outer diameter of the positioning ring (13) on the outer circumferential surface of the water inlet end of the through-flow submersible pump (12) is smaller than the outer diameter of the guide section (14) on the outer circumferential surface of the water outlet end of the through-flow submersible pump (12).
9. A submersible gate pump according to claim 1, characterized in that a second sealing ring (9) is arranged between the connecting flange (15) and the water outlet end flange (5) of the gate (4).
CN202011459646.8A 2020-12-11 2020-12-11 Submersible gate pump Active CN112555196B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011459646.8A CN112555196B (en) 2020-12-11 2020-12-11 Submersible gate pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011459646.8A CN112555196B (en) 2020-12-11 2020-12-11 Submersible gate pump

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Publication Number Publication Date
CN112555196A true CN112555196A (en) 2021-03-26
CN112555196B CN112555196B (en) 2021-08-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113500380A (en) * 2021-08-24 2021-10-15 合肥恒大江海泵业股份有限公司 Diving gate pump installation tool, and assembly system and method using same
CN114001053A (en) * 2021-11-10 2022-02-01 华南泵业有限公司 Gate pump double-ring supporting gate connecting and mounting system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200361664Y1 (en) * 2004-06-10 2004-09-14 김윤희 Floodgate with Flowing Backward Prevention Valve and Wator Pump
CN205185179U (en) * 2015-10-28 2016-04-27 李丽倩 Sealing unit's foamed plastic forming machine is fixed a position fast in area
CN207405593U (en) * 2017-07-28 2018-05-25 赛莱默(中国)有限公司 A kind of integration pump lock of rotatable 90 ° of the unlatching of gate
CN210196140U (en) * 2019-06-28 2020-03-27 格兰富控股联合股份公司 Pump brake system and connecting mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200361664Y1 (en) * 2004-06-10 2004-09-14 김윤희 Floodgate with Flowing Backward Prevention Valve and Wator Pump
CN205185179U (en) * 2015-10-28 2016-04-27 李丽倩 Sealing unit's foamed plastic forming machine is fixed a position fast in area
CN207405593U (en) * 2017-07-28 2018-05-25 赛莱默(中国)有限公司 A kind of integration pump lock of rotatable 90 ° of the unlatching of gate
CN210196140U (en) * 2019-06-28 2020-03-27 格兰富控股联合股份公司 Pump brake system and connecting mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113500380A (en) * 2021-08-24 2021-10-15 合肥恒大江海泵业股份有限公司 Diving gate pump installation tool, and assembly system and method using same
CN113500380B (en) * 2021-08-24 2022-03-22 合肥恒大江海泵业股份有限公司 Diving gate pump installation tool, and assembly system and method using same
CN114001053A (en) * 2021-11-10 2022-02-01 华南泵业有限公司 Gate pump double-ring supporting gate connecting and mounting system

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