CN108361203A - A kind of marine centrifugal pump of high service life - Google Patents

A kind of marine centrifugal pump of high service life Download PDF

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Publication number
CN108361203A
CN108361203A CN201810303718.6A CN201810303718A CN108361203A CN 108361203 A CN108361203 A CN 108361203A CN 201810303718 A CN201810303718 A CN 201810303718A CN 108361203 A CN108361203 A CN 108361203A
Authority
CN
China
Prior art keywords
fixed plate
centrifugal pump
service life
high service
screw rod
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.)
Withdrawn
Application number
CN201810303718.6A
Other languages
Chinese (zh)
Inventor
袁丹青
丛小青
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.)
Jiangsu Jiangda Fluid Technology Co Ltd
Original Assignee
Jiangsu Jiangda Fluid Technology 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 Jiangsu Jiangda Fluid Technology Co Ltd filed Critical Jiangsu Jiangda Fluid Technology Co Ltd
Priority to CN201810303718.6A priority Critical patent/CN108361203A/en
Publication of CN108361203A publication Critical patent/CN108361203A/en
Withdrawn legal-status Critical Current

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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
    • F04D15/00Control, e.g. regulation, of pumps, pumping installations or systems
    • 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
    • F04D29/007Details, component parts, or accessories 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
    • F04D29/426Casings; Connections of working fluid for 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
    • 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
    • F04D29/70Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/708Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps

Landscapes

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

Abstract

The invention discloses a kind of marine centrifugal pumps of high service life, including upside fixed plate, the mounting bracket that passes on left of upside fixed plate upper surface is equipped with Double shaft-extension asynchronous motor, the right side of upside fixed plate upper surface is equipped with centrifugal pump main body by mounting bracket, the power input shaft of centrifugal pump main body is connected with the power output shaft on the right side of Double shaft-extension asynchronous motor by shaft coupling, the lower surface of upside fixed plate is fixed with downside fixed plate by damping device, the lower surface of downside fixed plate is uniformly fixed, and there are four the universal wheels for carrying brake block, the water inlet of centrifugal pump main body and one end of bend pipe pass through flanged joint, gauze and circular yarn cloth on adjustable support frame prevent the sundries in cabin ponding to be inhaled into centrifugal pump main body, improve the service life of centrifugal pump main body;When sea situation is bad, damping device mitigates the vibrations that this high service life marine centrifugal pump is subject to, and ensures this high service life marine centrifugal pump normal work.

Description

A kind of marine centrifugal pump of high service life
Technical field
The present invention relates to centrifugation pump technical field, specially a kind of marine centrifugal pumps of high service life.
Background technology
Fire-fighting centrifugal pump peculiar to vessel is used for for naval vessel conveying fire water, extracts cabin ponding;High-speed rotating impeller blade band Dynamic water rotation throws away water, to achieve the purpose that conveying.It is inhaled into centrifugal pump when having sundries, sundries in cabin ponding and can cause Impeller blade damages so that the service life of centrifugal pump is low;And sea situation it is bad when, the stability of ship should not, influence centrifugal pump Working efficiency.
Invention content
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of centrifugation peculiar to vessel of high service life It pumps, the gauze and circular yarn cloth on adjustable support frame prevent the sundries in cabin ponding to be inhaled into centrifugal pump main body, improve The service life of centrifugal pump main body;When sea situation is bad, damping device mitigates the vibrations that this high service life marine centrifugal pump is subject to, Ensure this high service life marine centrifugal pump normal work, can effectively solve the problems in background technology.
To achieve the above object, the present invention provides the following technical solutions:A kind of marine centrifugal pump of high service life, including The mounting bracket that passes on left of upside fixed plate, upside fixed plate upper surface is equipped with Double shaft-extension asynchronous motor, and upside is solid The right side of fixed board upper surface is equipped with centrifugal pump main body by mounting bracket, and the power input shaft and Double shaft-extension of centrifugal pump main body are asynchronous Power output shaft on the right side of motor is connected by shaft coupling, and the lower surface of upside fixed plate is fixed with downside by damping device Fixed plate, uniformly there are four the universal wheels for carrying brake block for fixation for the lower surface of downside fixed plate.
The water inlet of centrifugal pump main body and one end of bend pipe are by flanged joint, on the other end of bend pipe and round fixed plate The water outlet on surface is fixed with cylindrical adjustable support frame, is adjusted by flanged joint, the lower surface of round fixed plate The lateral surface of supporting rack is bonded with gauze, and the lower surface bonds of adjustable support frame have round gauze, the upper table of upside fixed plate Face is fixed with PLC controller, the output end electrical connection of the input terminal and external power supply of PLC controller, the output end of PLC controller It is electrically connected with the input terminal of Double shaft-extension asynchronous motor.
As a preferred technical solution of the present invention, the quantity of the damping device is four, and four damping devices It is separately fixed at four ends of downside fixed plate upper surface.
As a preferred technical solution of the present invention, the damping device includes the second screw rod, the lower end of the second screw rod Be fixedly connected with the upper surface of downside fixed plate, the upper end of the second screw rod run through and extend to upside fixed plate top, second The side of screw rod is socketed with spring, the upper surface of the lower surface and downside fixed plate of the upper and lower ends difference upside fixed plate of spring Contact, the upper end of the second screw rod is connected with nut thread.
As a preferred technical solution of the present invention, the side of second screw rod is socketed with annular gasket and rubber subtracts Shake device, the upper surface of annular gasket and the lower surface contact of nut, the lower surface of annular gasket and the upper surface of rubber absorbers Contact, the lower surface of rubber absorbers and the upper surface contact of upside fixed plate.
As a preferred technical solution of the present invention, the adjustable support frame includes upper annulus, the following table of upper annulus With the upper surface of lower annulus by supporting bent rod to connect, it is ten to support the quantity of bent rod in face, and ten support bent rods Axis around upper annulus is angularly distributed, and supports the side of bent rod and the side bonds of gauze, the lower end of lower circle ring inner wall with The both ends of cross bar are fixedly connected, and the lower surface bonds of lower annulus have round gauze.
As a preferred technical solution of the present invention, the support bent rod includes first support bar, first support bar Upper end and upper annulus lower surface it is hinged by the first hinged seat, the lower end of first support bar and the upper end of second support bar are logical It crosses the second hinged seat to be hinged, the upper surface of the lower end of second support bar and lower annulus is hinged by third hinged seat.
As a preferred technical solution of the present invention, the position that the fixed plate upper surface corresponds to cross bar is equipped with support dress It sets, support device includes screwed pipe, and screwed pipe is fixed in the mounting hole of fixed plate upper surface, screwed pipe and the connection of the first screw flight, The upper end of first screw rod is fixed with handle.
As a preferred technical solution of the present invention, the position that the cross bar upper surface corresponds to the first screw rod is fixed with card It takes over, the diameter for being clamped inside pipe wall is more than the diameter of the first screw rod.
As a preferred technical solution of the present invention, the upper surface of the fixed plate is equipped with water logging by mounting bracket and passes Sensor, the output end of water sensor and the input terminal electrical connection of PLC controller.
As a preferred technical solution of the present invention, pacify on the power input shaft on the left of the Double shaft-extension asynchronous motor Equipped with radiator fan, the left end of Double shaft-extension asynchronous motor is fixed with air permeable cover, and radiator fan is located at the inside of air permeable cover.
Compared with prior art, the beneficial effects of the invention are as follows:The marine centrifugal pump of this high service life, adjustable support Gauze and circular yarn cloth on frame prevent the sundries in cabin ponding to be inhaled into centrifugal pump main body, improve making for centrifugal pump main body Use the service life;Worker rotates the first screw rod by handle, and the lower end of the first screw rod and clamping pipe contact, above and below the lower end of the first screw rod Movement is to adjust the angle between first support bar and second support bar, and the height of adjustable support frame is easy to adjust, cabin Ponding discharge is thorough, improves the drainage efficiency of this high service life marine centrifugal pump;When sea situation is bad, damping device mitigates this The vibrations that high service life marine centrifugal pump is subject to ensure this high service life marine centrifugal pump normal work.
Description of the drawings
Fig. 1 is main structure diagram of the present invention;
Fig. 2 is structure enlargement diagram at A of the present invention;
Fig. 3 is adjustable support frame structural schematic diagram of the present invention;
Fig. 4 is present invention support bent rod structural schematic diagram.
In figure:1 air permeable cover, 2 radiator fans, 3 Double shaft-extension asynchronous motors, 4 shaft couplings, 5 centrifugal pump main bodys, 6 bend pipes, 7 support devices, 71 handles, 72 screwed pipes, 73 first screw rods, 8 damping devices, 81 second screw rods, 82 nuts, 83 annular gaskets, 84 Rubber absorbers, 85 springs, 9 adjustable support frames, 91 times annulus, 92 cross bars, 93 support bent rods, 931 first hinged seats, 932 first support bars, 933 second hinged seats, 934 second support bars, 935 third hinged seats, annulus on 94,10 gauzes, on 11 Side fixed plate, 12PLC controllers, 13 downside fixed plates, 14 universal wheels, 15 clamping pipes, 16 round gauzes, 17 round fixed plates, 18 water sensors.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution:A kind of marine centrifugal pump of high service life, including it is upper The mounting bracket that passes on left of side fixed plate 11,11 upper surface of upside fixed plate is equipped with Double shaft-extension asynchronous motor 3, and upside is fixed The right side of 11 upper surface of plate is equipped with centrifugal pump main body 5 by mounting bracket, and the power input shaft and Double shaft-extension of centrifugal pump main body 5 are different The power output shaft on 3 right side of step motor is connected by shaft coupling 4, on the power input shaft in 3 left side of Double shaft-extension asynchronous motor Radiator fan 2 is installed, the left end of Double shaft-extension asynchronous motor 3 is fixed with air permeable cover 1, and radiator fan 2 is located at air permeable cover 1 Inside, the power input shaft in the left side of Double shaft-extension asynchronous motor 3 drives radiator fan 2, the rotation of radiator fan 2 to reinforce Double shaft-extension Ventilation at asynchronous motor 3 so that the lower surface of the good heat dissipation effect of Double shaft-extension asynchronous motor 3, upside fixed plate 11 is logical It crosses damping device 8 and is fixed with downside fixed plate 13, the lower surface of downside fixed plate 13 is uniformly fixed, and there are four with brake block Universal wheel 14, universal wheel 14 make the marine centrifugal pump conveniently moving of this high service life.
The quantity of damping device 8 is four, and four damping devices 8 are separately fixed at the four of downside 13 upper surface of fixed plate A end, damping device 8 include the second screw rod 81, and the lower end of the second screw rod 81 and the upper surface of downside fixed plate 13, which are fixed, to be connected It connects, the top of upside fixed plate 11 is run through and extended in the upper end of the second screw rod 81, and the side of the second screw rod 81 is socketed with spring 85, the lower surface of upside fixed plate 11 and the upper surface of downside fixed plate 13 contact the upper and lower ends of spring 85 respectively, the second spiral shell The upper end of bar 81 and nut 82 are threadedly coupled, and the side of the second screw rod 81 is socketed with annular gasket 83 and rubber absorbers 84, ring The upper surface of shape gasket 83 and the lower surface contact of nut 82, the upper surface of the lower surface and rubber absorbers 84 of annular gasket 83 Contact, the lower surface of rubber absorbers 84 and the upper surface contact of upside fixed plate 11, when sea situation is bad, damping device 8 mitigates The vibrations that this high service life marine centrifugal pump is subject to.
By flanged joint, the other end and circle of bend pipe 6 are fixed for the water inlet of centrifugal pump main body 5 and one end of bend pipe 6 The water outlet of 17 upper surface of plate is fixed with cylindrical adjustable support frame by flanged joint, the lower surface of round fixed plate 17 9, the lateral surface of adjustable support frame 9 is bonded with gauze 10, and the lower surface bonds of adjustable support frame 9 have round gauze 16, product Water is entered by gauze 10 or round gauze 16 in adjustable support frame 9, and the upper surface of fixed plate 17 is installed by mounting bracket There are water sensor 18, the upper surface of upside fixed plate 11 to be fixed with PLC controller 12, when PLC controller 12 is passed by water logging Sensor 18 detects that adjustable support frame 9 exposes the surface, and the included alarm equipment alarm of PLC controller 12, reminding worker to adjust can Adjust the position of supporting rack 9, the output end electrical connection of the input terminal of PLC controller 12 and external power supply, PLC controller 12 it is defeated The input terminal of outlet and Double shaft-extension asynchronous motor 3 is electrically connected, the output of the input terminal and water sensor 18 of PLC controller 12 End electrical connection.
Adjustable support frame 9 includes upper annulus 94, and the upper surface of the lower surface of upper annulus 94 and lower annulus 91 passes through support Bent rod 93 connects, and the quantity of support bent rod 93 is ten, and ten support bent rods 93 are around the axis isogonism of upper annulus 94 Degree distribution, supports the side bonds of the side and gauze 10 of bent rod 93, the both ends of the lower end and cross bar 92 of lower 91 inner wall of annulus It being fixedly connected, the lower surface bonds of lower annulus 91 have a round gauze 16, and support bent rod 93 includes first support bar 932, and first The upper end of supporting rod 932 and the lower surface of upper annulus 94 are hinged by the first hinged seat 931, the lower end of first support bar 932 and The upper end of second support bar 934 is hinged by the second hinged seat 933, the upper table of the lower end of second support bar 934 and lower annulus 91 Face is hinged by third hinged seat 935, and the gauze 10 and round gauze 16 on adjustable support frame 9 prevent miscellaneous in cabin ponding Object is inhaled into centrifugal pump main body 5, improves the service life of centrifugal pump main body 5.
The position that 17 upper surface of fixed plate corresponds to cross bar 92 is equipped with support device 7, and support device 7 includes screwed pipe 72, screwed pipe 72 are fixed in the mounting hole of 17 upper surface of fixed plate, and screwed pipe 72 and the first screw rod 73 are threadedly coupled, the upper end of the first screw rod 73 It is fixed with handle 71, the position that 92 upper surface of cross bar corresponds to the first screw rod 73 is fixed with clamping pipe 15, is clamped the straight of 15 inner wall of pipe Diameter is more than the diameter of the first screw rod 73, and worker rotates the first screw rod 73 by handle 71, and the lower end of the first screw rod 73 and clamping are managed 15 contacts, the lower end of the first screw rod 73 moves up and down to adjust the folder between first support bar 932 and second support bar 934 The height at angle, adjustable support frame 9 is easy to adjust, and the discharge of cabin ponding is thorough, improves this high service life marine centrifugal pump Drainage efficiency.
It is means commonly used in the prior art that PLC controller 12, which controls Double shaft-extension asynchronous motor 3,.
When in use:The marine centrifugal pump of this high service life is moved to operating position by worker, and worker passes through handle 71 the first screw rods 73 of rotation, the lower end of the first screw rod 73 and clamping pipe 15 contact, the lower end of the first screw rod 73 move down so that Angle between first support bar 932 and second support bar 934 gradually increases, and adjustable support frame 9 is put into ponding by worker In, and ponding covers adjustable support frame 9 completely.
Worker controls Double shaft-extension asynchronous motor 3 by PLC controller 12 and works, 3 right side of Double shaft-extension asynchronous motor Power output shaft drives the power input shaft of centrifugal pump main body 5 to rotate by shaft coupling 4,5 work extraction cabin of centrifugal pump main body In ponding;When PLC controller 12 detects that adjustable support frame 9 exposes the surface by water sensor 18, PLC controller 12 Included alarm equipment alarm reminds worker to adjust the position of adjustable support frame 9.
The power input shaft in 3 left side of Double shaft-extension asynchronous motor drives radiator fan 2, the rotation of radiator fan 2 to reinforce twin shaft Stretch the ventilation at asynchronous motor 3 so that the good heat dissipation effect of Double shaft-extension asynchronous motor 3;When sea situation is bad, damping device 8 Mitigate the vibrations that this high service life marine centrifugal pump is subject to.
The present invention, gauze 10 and round gauze 16 on adjustable support frame 9 prevent the sundries in cabin ponding to be inhaled into In centrifugal pump main body 5, the service life of centrifugal pump main body 5 is improved;Worker rotates the first screw rod 73, the first screw rod by handle 71 73 lower end and clamping pipe 15 contact, and the lower end of the first screw rod 73 moves up and down to adjust first support bar 932 and second The height of angle between strut 934, adjustable support frame 9 is easy to adjust, and the discharge of cabin ponding is thorough, improves the use of this height The drainage efficiency of service life marine centrifugal pump;When sea situation is bad, damping device 8 mitigates what this high service life marine centrifugal pump was subject to Vibrations ensure this high service life marine centrifugal pump normal work.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims (10)

1. a kind of marine centrifugal pump of high service life, including upside fixed plate (11), it is characterised in that:The upside fixed plate (11) mounting bracket that passes on left of upper surface is equipped with Double shaft-extension asynchronous motor (3), the right side of upside fixed plate (11) upper surface Side is equipped with centrifugal pump main body (5), the power input shaft and Double shaft-extension asynchronous motor of centrifugal pump main body (5) by mounting bracket (3) power output shaft on the right side of is connected by shaft coupling (4), and the lower surface of upside fixed plate (11) is solid by damping device (8) Surely there is downside fixed plate (13), the lower surface of downside fixed plate (13) is uniformly fixed, and there are four the universal wheels for carrying brake block (14);
By flanged joint, the other end and circle of bend pipe (6) are solid for the water inlet of centrifugal pump main body (5) and one end of bend pipe (6) The water outlet of fixed board (17) upper surface is fixed with cylindrical be adjusted by flanged joint, the lower surface of round fixed plate (17) The lateral surface of supporting rack (9), adjustable support frame (9) is bonded with gauze (10), and the lower surface bonds of adjustable support frame (9) have The upper surface of round gauze (16), upside fixed plate (11) is fixed with PLC controller (12), the input terminal of PLC controller (12) It is electrically connected with the output end of external power supply, the output end of PLC controller (12) and the input terminal electricity of Double shaft-extension asynchronous motor (3) Connection.
2. a kind of marine centrifugal pump of high service life according to claim 1, it is characterised in that:The damping device (8) quantity is four, and four damping devices (8) are separately fixed at four ends of downside fixed plate (13) upper surface.
3. a kind of marine centrifugal pump of high service life according to claim 1, it is characterised in that:The damping device (8) including the second screw rod (81), the lower end of the second screw rod (81) is fixedly connected with the upper surface of downside fixed plate (13), the second spiral shell The top of upside fixed plate (11) is run through and extended in the upper end of bar (81), and the side of the second screw rod (81) is socketed with spring (85), the lower surface of upside fixed plate (11) and the upper surface of downside fixed plate (13) connect the upper and lower ends of spring (85) respectively It touches, the upper end of the second screw rod (81) and nut (82) are threadedly coupled.
4. a kind of marine centrifugal pump of high service life according to claim 3, it is characterised in that:Second screw rod (81) side is socketed with annular gasket (83) and rubber absorbers (84), the upper surface of annular gasket (83) and nut (82) Lower surface contacts, the lower surface of annular gasket (83) and the upper surface contact of rubber absorbers (84), rubber absorbers (84) Lower surface and the contact of the upper surface of upside fixed plate (11).
5. a kind of marine centrifugal pump of high service life according to claim 1, it is characterised in that:The adjustable support Frame (9) includes upper annulus (94), and the lower surface of upper annulus (94) and the upper surface of lower annulus (91) are by supporting bent rod (93) Connection, support bent rod (93) quantity be ten, and ten support bent rods (93) around upper annulus (94) axis angularly Distribution, the side bonds of the side and gauze (10) of support bent rod (93), lower end and the cross bar (92) of lower annulus (91) inner wall Both ends be fixedly connected, the lower surface bonds of lower annulus (91) have round gauze (16).
6. a kind of marine centrifugal pump of high service life according to claim 5, it is characterised in that:The support bent rod (93) include that first support bar (932), the upper end of first support bar (932) and the lower surface of upper annulus (94) are hinged by first Seat (931) is hinged, and the lower end of first support bar (932) and the upper end of second support bar (934) are cut with scissors by the second hinged seat (933) It connects, the upper surface of the lower end of second support bar (934) and lower annulus (91) is hinged by third hinged seat (935).
7. a kind of marine centrifugal pump of high service life according to claim 1, it is characterised in that:The fixed plate (17) The position that upper surface corresponds to cross bar (92) is equipped with support device (7), and support device (7) includes screwed pipe (72), and screwed pipe (72) is fixed In the mounting hole of fixed plate (17) upper surface, screwed pipe (72) and the first screw rod (73) are threadedly coupled, the first screw rod (73) it is upper End is fixed with handle (71).
8. a kind of marine centrifugal pump of high service life according to claim 6, it is characterised in that:On the cross bar (92) The position that surface corresponds to the first screw rod (73) is fixed with clamping pipe (15), and the diameter of clamping pipe (15) inner wall is more than the first screw rod (73) diameter.
9. a kind of marine centrifugal pump of high service life according to claim 1, it is characterised in that:The fixed plate (17) Upper surface water sensor (18), the output end and PLC controller (12) of water sensor (18) are equipped with by mounting bracket Input terminal electrical connection.
10. a kind of marine centrifugal pump of high service life according to claim 1, it is characterised in that:The Double shaft-extension is different Radiator fan (2) is installed on power input shaft on the left of step motor (3), the left end of Double shaft-extension asynchronous motor (3) is fixed There are air permeable cover (1), radiator fan (2) to be located at the inside of air permeable cover (1).
CN201810303718.6A 2018-04-03 2018-04-03 A kind of marine centrifugal pump of high service life Withdrawn CN108361203A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810303718.6A CN108361203A (en) 2018-04-03 2018-04-03 A kind of marine centrifugal pump of high service life

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810303718.6A CN108361203A (en) 2018-04-03 2018-04-03 A kind of marine centrifugal pump of high service life

Publications (1)

Publication Number Publication Date
CN108361203A true CN108361203A (en) 2018-08-03

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ID=63001782

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810303718.6A Withdrawn CN108361203A (en) 2018-04-03 2018-04-03 A kind of marine centrifugal pump of high service life

Country Status (1)

Country Link
CN (1) CN108361203A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112138311A (en) * 2020-09-30 2020-12-29 陈继谊 Box body heat dissipation fire extinguishing device for cloud computing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112138311A (en) * 2020-09-30 2020-12-29 陈继谊 Box body heat dissipation fire extinguishing device for cloud computing
CN112138311B (en) * 2020-09-30 2021-12-24 深圳市众工装饰消防工程有限公司 Box body heat dissipation fire extinguishing device for cloud computing

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Application publication date: 20180803