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CN111561456B - Stainless steel single-stage single-suction stamping pump - Google Patents

Stainless steel single-stage single-suction stamping pump Download PDF

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Publication number
CN111561456B
CN111561456B CN202010404547.3A CN202010404547A CN111561456B CN 111561456 B CN111561456 B CN 111561456B CN 202010404547 A CN202010404547 A CN 202010404547A CN 111561456 B CN111561456 B CN 111561456B
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CN
China
Prior art keywords
motor
pump
pump shell
water inlet
inlet pipe
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.)
Active
Application number
CN202010404547.3A
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Chinese (zh)
Other versions
CN111561456A (en
Inventor
吴永旭
孟凡玉
吴鑫山
见文
魏培茹
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.)
Shanghai East Pump Group Co Ltd
Original Assignee
Shanghai East Pump Group 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 Shanghai East Pump Group Co Ltd filed Critical Shanghai East Pump Group Co Ltd
Priority to CN202010404547.3A priority Critical patent/CN111561456B/en
Publication of CN111561456A publication Critical patent/CN111561456A/en
Application granted granted Critical
Publication of CN111561456B publication Critical patent/CN111561456B/en
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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
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • 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
    • F04D29/04Shafts or bearings, or assemblies thereof
    • F04D29/041Axial thrust balancing
    • 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
    • F04D29/04Shafts or bearings, or assemblies thereof
    • F04D29/043Shafts
    • F04D29/044Arrangements for joining or assembling shafts
    • 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
    • F04D29/18Rotors
    • F04D29/22Rotors specially for centrifugal pumps
    • F04D29/24Vanes
    • F04D29/242Geometry, shape
    • 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
    • F04D29/4266Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps made of sheet metal
    • 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

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

Abstract

The invention discloses a stainless steel single-stage single-suction stamping pump which comprises a bearing base and a bottom motor fixing frame, wherein the top end of the bearing base is welded with the bottom motor fixing frame at a transverse position, the top side of the bottom motor fixing frame is provided with a motor, the motor is bolted to the bottom motor fixing frame through screw insertion, the motor is electrically connected with a power supply, the left side of the motor is provided with a motor frame, the motor frame is bolted to the motor through screw insertion, the inner side of the motor frame is provided with a transmission shaft at the transverse position, the transmission shaft is in transmission connection with the motor, the left side of the transmission shaft is provided with a coupler, the transmission shaft is transversely inserted into the coupler, the left side of the coupler is provided with a motor lengthening shaft, the motor lengthening shaft is transversely inserted into the coupler, and parts such as a suspension of a common pump are omitted, so that the appearance is more attractive and the structure is lighter while the weight is reduced.

Description

Stainless steel single-stage single-suction stamping pump
Technical Field
The invention belongs to the technical field of centrifugal pumps, and particularly relates to a stainless steel single-stage single-suction stamping pump.
Background
The centrifugal pump is a pump for conveying liquid by centrifugal force generated when the impeller rotates, and the centrifugal pump is basically composed of the impeller, a pump body, a pump shaft, a bearing, a sealing ring, a stuffing box and other structures, and is an indispensible liquid conveying device in industrial production.
The existing centrifugal pump technology has the following problems: along with the gradual upgrade of manufacturing industry, the cleanliness requirement of conveying media through a pump body is higher and higher, most of single-stage single-suction centrifugal pumps produced in China are casting pumps, the pump body is produced by adopting a casting technology, the material cost is high, and the quality of a product is difficult to ensure due to more casting defects, so that the single-stage single-suction centrifugal pump with attractive appearance, light and handy structure, high efficiency, energy conservation, durability and light corrosion resistance is urgently needed in the market.
Disclosure of Invention
The invention aims to provide a stainless steel single-stage single-suction stamping pump, which aims to solve the problems that the requirements on cleanliness of media conveyed by a pump body are higher and higher along with gradual upgrading of manufacturing industry in the background technology, most of single-stage single-suction centrifugal pumps produced in China are cast pumps, the pump body is produced by adopting a casting technology, the material cost is high, and the quality of a product is difficult to guarantee due to more casting defects, so that the single-stage single-suction centrifugal pump with attractive appearance, light structure, high efficiency, energy conservation, durability and light corrosion resistance is urgently needed in the market.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The stainless steel single-stage single-suction stamping pump comprises a bearing base and a bottom motor fixing frame, wherein the top end of the bearing base is welded with the bottom motor fixing frame at a transverse position, the top side of the bottom motor fixing frame is provided with a motor, the motor is bolted to the bottom motor fixing frame through screw insertion, the motor is electrically connected with a power supply, the left side of the motor is provided with a motor frame, the motor frame is bolted to the motor through screw insertion, the inner side of the motor frame is provided with a transmission shaft at the transverse position, the transmission shaft is in transmission connection with the motor, the left side of the transmission shaft is provided with a coupler, the transmission shaft is transversely spliced in the coupler, the left side of the coupler is provided with a motor lengthening shaft, the motor lengthening shaft is transversely spliced in the coupler, the left side of the motor frame is provided with a pump shell, the pump shell is fixed at the motor frame through screw bolt connection, a pump cover is arranged at the right end port of the pump shell, the pump cover is clamped in the pump shell, the left end head of the motor lengthening shaft is penetrated into the pump shell from the center of the pump cover, the left side of the pump cover is provided with an impeller at the head of the motor lengthening shaft, the impeller is penetrated at the periphery of the motor lengthening shaft, the impeller is limited at the motor lengthening shaft through screw bolt connection, the top side of the pump shell is provided with an upper connecting plate, the upper connecting plate is penetrated and fastened at the pump shell through screw bolt connection, a water outlet pipe is embedded in the pump shell at a vertical position, the bottom end of the water outlet pipe is penetrated and connected with the surface of the pump shell, the top side of the water outlet pipe is welded with an outlet flange at the end face of the upper connecting plate, the bottom side of the pump shell is provided with a lower connecting plate, the lower connecting plate is penetrated and fastened at the pump shell through screw bolt connection, an inlet flange is arranged between the upper connecting plate and the lower connecting plate and positioned on the left side of the pump shell, the inlet flange is connected with the upper connecting plate and the lower connecting plate together, the right side of the inlet flange is connected with a water inlet pipe positioned at a transverse position, and the right side of the water inlet pipe is connected with a water inlet pipe interface positioned at a port of the left end of the pump shell.
Preferably, the right end port of the water inlet pipe interface is connected with a collar, and the collar at the water inlet pipe interface is bolted with a collar cover.
Preferably, the cavity formed between the pump shell and the pump cover is a centrifugal cavity, and the impeller can rotate in the cavity formed by the pump shell and the pump cover under the action of force.
Preferably, the water inlet pipe connector and the pump shell are in the flowing direction of the liquid from the water outlet pipe, and the water inlet pipe, the water inlet pipe connector and the pump shell are all subjected to rust-proof treatment from the inner wall of the water outlet pipe.
Preferably, the pump shell, the pump cover and the impeller are all welded by stamping and bulging stainless steel plates.
Preferably, the impeller is provided with balance holes on the outer surface, and left and right mouth rings are arranged on the left and right sides of the impeller.
Preferably, the center of the pump cover is embedded with a bearing and a sealing ring, the motor lengthening shaft is inserted into the bearing and the sealing ring arranged at the pump cover, and the motor lengthening shaft can rotate relative to the pump cover through the bearing.
Preferably, the inlet flange and the outlet flange are four-hole positioning flanges, and the inlet flange and the outlet flange are correspondingly connected with the water inlet pipe and the water outlet pipe.
Compared with the prior art, the invention provides the stainless steel single-stage single-suction stamping pump, which has the following beneficial effects:
1. the pump shell, the pump cover and the impeller component adopted by the invention are formed by stainless steel plate stamping bulging welding, the component does not need casting, and the surface roughness of parts after stamping bulging welding is high, the appearance is attractive, the efficiency and the energy conservation are realized, and the invention is more suitable for working conditions of light corrosion and clean industries.
2. The impeller is provided with the mouth ring and the balance hole assembly, the axial force can be balanced better through the arrangement of the assembly, the heating phenomenon of the motor bearing caused by overlarge axial force is avoided, and the structure is more reliable.
3. The pump and the motor are in a direct connection mode, namely, the pump is connected with the motor through the extension shaft, so that parts such as a suspension of a common pump are omitted, the weight is reduced, and the appearance is attractive and the structure is light.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate and together with the embodiments of the invention and do not constitute a limitation to the invention, and in which:
FIG. 1 is a schematic diagram of a front cross-sectional structure of a stainless steel single-stage single-suction stamping pump according to the present invention;
Fig. 2 is a schematic side view of a pump housing and a pump body in a stainless steel single-stage single-suction stamping pump according to the present invention;
FIG. 3 is a schematic diagram of an impeller and layout structure of the impeller in a stainless steel single-stage single-suction stamping pump according to the present invention;
fig. 4 is a schematic structural diagram of a pump cover in a stainless steel single-stage single-suction stamping pump according to the present invention;
In the figure: 1. a transmission shaft; 2. a coupling; 3. a motor frame; 4. an outlet flange; 5. a pump cover; 6. a pump housing; 7. a water outlet pipe; 8. an impeller; 9. a motor adds a shaft; 10. an upper connecting plate; 11. a water inlet pipe interface; 12. an inlet flange; 13. a water inlet pipe; 14. a lower connecting plate; 15. a load-bearing base; 16. a motor fixing frame is arranged at the bottom; 17. and a motor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-4, the invention provides a stainless steel single-stage single-suction stamping pump technical scheme:
The utility model provides a stainless steel single-stage single-suction stamping pump, including bearing the base 15 and underlying motor mount 16, the top that bears the base 15 is located the welding of transverse position department and is had underlying motor mount 16, the top side of underlying motor mount 16 is provided with motor 17, motor 17 is through the bolt in underlying motor mount 16 department of putting, motor 17 and power electric connection, the left side of motor 17 is provided with motor frame 3, motor frame 3 is through the bolt in motor 17 department of putting of bolt interlude, the inboard of motor frame 3 is provided with transmission shaft 1 in transverse position department, transmission shaft 1 transmission connection is in motor 17 department, transmission shaft 1's left side is provided with shaft coupling 2, transmission shaft 1 transversely peg graft in shaft coupling 2, the left side of shaft coupling 2 is provided with motor extension axle 9, motor extension axle 9 transversely peg graft in shaft coupling 2.
The utility model provides a stainless steel single-stage single-suction stamping pump, including motor frame 3 left side is provided with pump case 6, pump case 6 is fixed in motor frame 3 department through the screw bolt, the right-hand member port department of pump case 6 is provided with pump cover 5, pump cover 5 joint is in pump case 6, the cavity that forms between pump case 6 and the pump cover 5 is centrifugal cavity, the centre of a circle department of pump cover 5 embeds bearing and sealing ring, motor extension axle 9 peg graft bearing and the sealing ring that pump cover 5 department set up, motor extension axle 9 can rotate for pump cover 5 via the bearing, the left side of pump cover 5 is located the end department of motor extension axle 9 and is provided with impeller 8, impeller 8 alternates in motor extension axle 9's periphery, impeller 8 is spacing in motor extension axle 9 department through the nut bolt, impeller 8 can rotate in the cavity that pump case 6 and pump cover 5 formed under the effect, impeller 8 department sets up the surface and is provided with the balance hole, both sides of impeller 8 all are provided with left and right mouthful ring.
The utility model provides a stainless steel single-stage single-suction stamping pump, the top side that includes pump case 6 is provided with upper connecting plate 10, upper connecting plate 10 is through the screw interlude to bolt in pump case 6 department, the inside of pump case 6 is located vertical position department and is embedded with outlet pipe 7, the bottom of outlet pipe 7 is through-connection in the surface of pump case 6, the top side of outlet pipe 7 is located the terminal surface department welding of upper connecting plate 10 has outlet flange 4, inlet tube 13, inlet tube interface 11, pump case 6 to outlet pipe 7 department are the flow direction of liquid, inlet tube 13, inlet tube interface 11, pump case 6 is through rust-resistant processing to the inner wall department of outlet pipe 7, pump case 6, pump cover 5 and impeller 8 all adopt corrosion resistant plate punching press bulging welding, inlet flange 12 and outlet flange 4 are four hole locating flange, inlet flange 12 and outlet flange 4 correspond connection inlet tube 13 and outlet pipe 7.
The stainless steel single-stage single-suction stamping pump comprises a lower connecting plate 14 arranged on the bottom side of a pump shell 6, wherein the lower connecting plate 14 is bolted to the pump shell 6 through screw insertion, an inlet flange 12 is arranged between an upper connecting plate 10 and the lower connecting plate 14 and positioned on the left side of the pump shell 6, the inlet flange 12 is connected to the upper connecting plate 10 and the lower connecting plate 14 together, the right side of the inlet flange 12 is connected with a water inlet pipe 13 at a transverse position, the right side of the water inlet pipe 13 is connected with a water inlet pipe interface 11 at a left end port of the pump shell 6, a mouth ring is connected to a right end port of the water inlet pipe interface 11, and a mouth ring cover is bolted to the mouth ring at the water inlet pipe interface 11.
The working principle and the using flow of the invention are as follows: after the invention is installed, the guide pipe is bolted to the corresponding outlet flange 4 and inlet flange 12 through the flange, after the bolting is finished, the connection state of the motor 17 is checked, when the motor 17 is in a normal state, the motor 17 is powered on, and then the motor 17 drives the transmission shaft 1 to rotate, the rotation force is transmitted to the impeller 8 through the coupler 2 and the motor extension shaft 9, and then the impeller 8 rotates at a high speed under the action of the rotation force in a cavity combined by the pump shell 6 and the pump cover 5, the impeller 8 generates centrifugal force in the rotation process, the liquid on one side of the water inlet pipe 13 is forced to be discharged from the water inlet pipe interface 11 and the pump shell 6 to the water outlet pipe 7, and the discharging process is the process of pumping and conveying the water liquid.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a stainless steel single-stage singly inhale punching pump, includes and bears base (15) and underlying motor mount (16), its characterized in that: the top of the bearing base (15) is welded with a bottom motor fixing frame (16) at a transverse position, a motor (17) is arranged at the top side of the bottom motor fixing frame (16), the motor (17) is bolted to the bottom motor fixing frame (16) through screw insertion, the motor (17) is electrically connected with a power supply, a motor frame (3) is arranged at the left side of the motor (17), the motor frame (3) is bolted to the motor (17) through screw insertion, a transmission shaft (1) is arranged at the transverse position on the inner side of the motor frame (3), the transmission shaft (1) is in transmission connection with the motor (17), a coupling (2) is arranged at the left side of the transmission shaft (1), the transmission shaft (1) is transversely inserted into the coupling (2), a motor extension shaft (9) is transversely inserted into the coupling (2), a bolt (6) is arranged at the left side of the motor frame (3), a pump shell (6) is fixedly connected to the pump shell (5) through screws, a pump shell (5) is arranged at the right side of the pump shell (6), the left end of the motor extension shaft (9) is inserted into the pump shell (6) from the center of the pump cover (5), the left side of the pump cover (5) is provided with an impeller (8) at the end of the motor extension shaft (9), the impeller (8) is inserted at the periphery of the motor extension shaft (9), the impeller (8) is limited at the motor extension shaft (9) through bolt connection of a nut, the top side of the pump shell (6) is provided with an upper connecting plate (10), the upper connecting plate (10) is inserted and connected at the pump shell (6) through a screw, a water outlet pipe (7) is embedded in the pump shell (6) at a vertical position, the bottom end of the water outlet pipe (7) is connected with the surface of the pump shell (6) in a penetrating manner, the top side of the water outlet pipe (7) is welded with an outlet flange (4) at the end face of the upper connecting plate (10), the bottom side of the pump shell (6) is provided with a lower connecting plate (14), the lower connecting plate (14) is inserted and connected at the pump shell (6) through the screw connection, the upper connecting plate (10) and the lower connecting plate (14) are connected at the inlet flange (12) at the joint of the upper connecting plate (14), the right side of the inlet flange (12) is connected with a water inlet pipe (13) at a transverse position, and the right side of the water inlet pipe (13) is connected with a water inlet pipe interface (11) at a left end port of the pump shell (6);
A mouth ring is connected to the right end port of the water inlet pipe interface (11), and a mouth ring cover is bolted to the mouth ring at the water inlet pipe interface (11);
balance holes are formed in the outer surface of the impeller (8), and left and right mouth rings are arranged on the left side and the right side of the impeller (8);
The center of the pump cover (5) is embedded with a bearing and a sealing ring, the motor extension shaft (9) is inserted into the bearing and the sealing ring arranged at the pump cover (5), and the motor extension shaft (9) can rotate relative to the pump cover (5) through the bearing.
2. A stainless steel single-stage single-suction stamping pump as defined in claim 1, wherein: the cavity formed between the pump shell (6) and the pump cover (5) is a centrifugal cavity, and the impeller (8) can rotate in the cavity formed by the pump shell (6) and the pump cover (5) under the action of force.
3. A stainless steel single-stage single-suction stamping pump as defined in claim 1, wherein: the water inlet pipe (13), the water inlet pipe connector (11) and the pump shell (6) are arranged in the flowing direction of the liquid from the water outlet pipe (7), and the water inlet pipe (13), the water inlet pipe connector (11) and the pump shell (6) are all subjected to rust-proof treatment on the inner wall of the water outlet pipe (7).
4. A stainless steel single-stage single-suction stamping pump as defined in claim 1, wherein: the pump shell (6), the pump cover (5) and the impeller (8) are all welded by stainless steel plates in a stamping bulging mode.
5. A stainless steel single-stage single-suction stamping pump as defined in claim 1, wherein: the inlet flange (12) and the outlet flange (4) are four-hole positioning flanges, and the inlet flange (12) and the outlet flange (4) are correspondingly connected with the water inlet pipe (13) and the water outlet pipe (7).
CN202010404547.3A 2020-05-13 2020-05-13 Stainless steel single-stage single-suction stamping pump Active CN111561456B (en)

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CN202010404547.3A CN111561456B (en) 2020-05-13 2020-05-13 Stainless steel single-stage single-suction stamping pump

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Application Number Priority Date Filing Date Title
CN202010404547.3A CN111561456B (en) 2020-05-13 2020-05-13 Stainless steel single-stage single-suction stamping pump

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CN111561456B true CN111561456B (en) 2024-08-20

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CN115467834B (en) * 2022-09-13 2025-06-06 湖北省天门永强泵业有限公司 Single-shell gravel pump

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN212479613U (en) * 2020-05-13 2021-02-05 上海东方泵业(集团)有限公司 Stainless steel single-stage single-suction stamping pump

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW368563B (en) * 1998-04-10 1999-09-01 Ind Tech Res Inst Sheeting pump shell structure and manufacturing method thereof
US6409474B1 (en) * 1998-10-30 2002-06-25 Yangjiang New Yuehua Stainless Steel Pump Co. Ltd. Centrifugal pump formed by pressing and welding and its manufacturing process
CN203239582U (en) * 2013-04-20 2013-10-16 上海申宝泵业有限公司 Conveniently-disassembled-type single-stage single suction vertical centrifugal pump
CN207673549U (en) * 2017-12-14 2018-07-31 广州中超泵业有限公司 A kind of one step single sucking capstan formula centrifugal pump
CN210371179U (en) * 2019-04-12 2020-04-21 浙江江能泵阀有限公司 Single-stage single-suction horizontal centrifugal pump

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN212479613U (en) * 2020-05-13 2021-02-05 上海东方泵业(集团)有限公司 Stainless steel single-stage single-suction stamping pump

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