CN106286314A - Latent liquid ballast pump - Google Patents

Latent liquid ballast pump Download PDF

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Publication number
CN106286314A
CN106286314A CN201610658271.5A CN201610658271A CN106286314A CN 106286314 A CN106286314 A CN 106286314A CN 201610658271 A CN201610658271 A CN 201610658271A CN 106286314 A CN106286314 A CN 106286314A
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CN
China
Prior art keywords
pipe
pump
motor
oil
liquid ballast
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
CN201610658271.5A
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Chinese (zh)
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CN106286314B (en
Inventor
黄书才
白俊江
赵雷刚
穆春玉
杨勤
沈飞
罗力
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Wuhan Marine Machinery Plant Co Ltd
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Wuhan Marine Machinery Plant Co Ltd
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Application filed by Wuhan Marine Machinery Plant Co Ltd filed Critical Wuhan Marine Machinery Plant Co Ltd
Priority to CN201610658271.5A priority Critical patent/CN106286314B/en
Publication of CN106286314A publication Critical patent/CN106286314A/en
Application granted granted Critical
Publication of CN106286314B publication Critical patent/CN106286314B/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
    • F04D13/04Units comprising pumps and their driving means the pump being fluid 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
    • F04D15/0077Safety measures

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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 kind of latent liquid ballast pump, belong to ballast pump technical field.The both sides of the pump case of this latent liquid ballast pump are respectively arranged with water inlet and outlet, motor shell and blower inlet casing and are fixedly installed in pump case;The bottom of motor shell is provided with motor opening, hydraulic motor outfan in motor shell connects pump shaft, and pump shaft passes motor opening, seals and arrange between pump shaft and motor opening, pump shaft is arranged in blower inlet casing through fixed cover on the position of motor opening equipped with impeller, impeller;Being filled with liquid medium inside motor shell, the monitoring device of latent liquid ballast pump includes monitoring pipe and is placed in the observation cavity outside pump case, and monitoring pipe two ends connect with motor shell and observation cavity respectively.The present invention can quickly determine seal failure position, the convenient maintenance to latent liquid ballast pump, and making to dive liquid ballast pump can be the most properly functioning.

Description

Latent liquid ballast pump
Technical field
The invention belongs to ballast pump technical field, dive liquid ballast pump particularly to one.
Background technology
Latent liquid ballast pump is most important in marine ballasting system, the nucleus equipment of most critical, and its major function has been water The injection of body and discharge work, to reach following purpose: adjust the steady of the drinking water of boats and ships and the steady and safe of hull vertical, horizontal Heart height;Reducing the deformation of hull, in order to avoid causing excessive bending moment and shearing moment, reducing ship hull vibration;Improve empty cabin to fit Boat property.
In prior art, latent liquid ballast pump generally includes pump case and the motor shell being co-axially located in pump case, at motor Being provided with hydraulic motor in housing, the outfan of hydraulic motor is connected with pump shaft, is provided with for water body conveying on pump shaft Impeller, in order to ensure the properly functioning of latent liquid ballast pump, it will usually arrange the sealing device of similar sealing ring etc make pump shaft with Keep between motor shell sealing.
During realizing the present invention, inventor finds that prior art at least there is problems in that
Under the properly functioning operating mode of latent liquid ballast pump, pump shaft need to keep high speed rotary motion, in rotary course, pump Sealing between axle and motor shell can be worn and even damage, and causes water body to leak in motor shell, or hydraulic motor In hydraulic fluid leak in the water body outside motor shell, cause the latent liquid ballast pump cannot be properly functioning.But latent liquid ballast pump Sealing member arrange more, it is impossible within a short period of time determines leak site, it is impossible to carry out latent liquid ballast pump timely and effectively Maintenance.
Summary of the invention
In order to solve in prior art because of sealing device abrasion or damage, cause the latent liquid ballast pump cannot be properly functioning, and The problem cannot keeped in repair latent liquid ballast pump timely and effectively, embodiments provides a kind of latent liquid ballast pump.Institute State technical scheme as follows:
A kind of latent liquid ballast pump, described latent liquid ballast pump includes pump case, motor shell and blower inlet casing, and described pump case is arranged Water inlet and outlet, described motor shell and described blower inlet casing is had to be fixedly installed in described pump case;Described motor shell Bottom is provided with motor opening, is provided with hydraulic motor in described motor shell, and the outfan of described hydraulic motor connects pump Axle, described pump shaft passes described motor opening, seals and arrange between described pump shaft and described motor opening, and described pump shaft passes institute Stating on the position of motor opening that fixed cover is equipped with impeller, described impeller is arranged in described blower inlet casing, inside described motor shell It is filled with liquid medium;Described latent liquid ballast pump also includes that monitoring device, described monitoring device include monitoring pipe and observe cavity, The two ends of described monitoring pipe connect with described motor shell and described observation cavity respectively, and described observation cavity is placed in described pump case Outside.
Further, described latent liquid ballast pump also includes that oil inlet pipe and oil return pipe, one end of described oil inlet pipe are arranged on institute Stating the inside of oil return pipe, the middle part of described oil inlet pipe is through the sidewall of described oil return pipe, and the other end of described oil inlet pipe is with described Hydraulic motor connects, and described oil inlet pipe all connects with described hydraulic motor with described oil return pipe and constitutes a loop.By entering Oil pipe and oil return pipe can provide hydraulic oil to hydraulic motor, to drive hydraulic motor to operate, it addition, be arranged on back by oil inlet pipe In oil pipe, it is possible to reduce the perforate on pump case and motor shell, and reduce the use of sealing member, it is ensured that sealing effectiveness.
Further, described oil inlet pipe is fixedly connected in described oil return pipe by multiple connection gussets, the plurality of Connect gusset along the equiangularly spaced setting of circumference of described oil inlet pipe.The setting of multiple connection gussets is possible not only to fixing oil inlet pipe, Can also be without the running of hydraulic power oil in obstruction oil return pipe.
Further, the top of described motor shell is provided with cover plate, and described cover plate is provided with connecting hole, described oil return pipe It is positioned in described connecting hole;Described oil return pipe includes the upper oil pipe being positioned at outside described pump case and is positioned at inside described motor shell Lower oil pipe, one end of described lower oil pipe is connected with described hydraulic motor, and the other end of described lower oil pipe is provided with connection otic placode, Described connection otic placode is fixed on described cover plate, and described upper oil pipe is arranged on described connection otic placode.
Further, described engaging lug plate top surface is provided with grip block, and described connection otic placode is by described clamping board Being connected on described cover plate, described grip block is provided with spill port, described upper oil pipe is fixedly installed on described grip block, described Lower oil pipe is connected by described spill port with described upper oil pipe.
Preferably, described monitoring pipe box is located at outside described upper oil pipe, and described connection otic placode and described grip block are provided with Connect described monitoring pipe and the conveying flow passage within described motor shell.Monitoring pipe is arranged on outside upper oil pipe, it is possible to reduce Perforate on pump case and motor shell, and reduce the use of sealing member, it is ensured that sealing effectiveness.
Further, described monitoring pipe is connected by many connecting rods with described oil return pipe, and described many connecting rods are along institute State the oil return pipe equiangularly spaced setting of circumference.The setting of many connecting rods is possible not only to fixing oil return pipe, it is also possible to do not hinder prison Liquid medium flow in test tube.
Further, being provided with axle sleeve and sealing shroud between described pump shaft and described motor opening, described axle sleeve is set in On described pump shaft, described sealing shroud is fixedly installed on described motor opening inwall, and the top of described sealing shroud is overlapped on described liquid The bottom of pressure motor, seals between described axle sleeve and described sealing shroud and arranges.
Further, described pump shaft is provided with transition axle sleeve in the part between described motor shell and described impeller, To prevent pump shaft from being corroded by water body, increase the service life of pump shaft.
Preferably, described latent liquid ballast pump also includes that self-priming apparatus, described self-priming apparatus include vacuum tube, level monitoring pipe And ball-cock assembly, described vacuum tube be connected to the axial top of described pump case arrange vacuum port, described level monitoring pipe with described very Blank pipe is arranged in parallel, and described level monitoring pipe connects with the liquid outlet arranged on described pump case sidewall, and described ball-cock assembly is arranged on In described level monitoring pipe.
The technical scheme that the embodiment of the present invention provides has the benefit that the embodiment of the present invention is due at motor shell In be provided with hydraulic motor, the outfan of hydraulic motor connects pump shaft, after hydraulic motor starts, pump shaft energy concomitant rotation, position Impeller on pump shaft also can concomitant rotation, water body can be made to flow to the outlet of pump case through the water inlet of pump case, complete water body Inject and discharge work;Arrange it addition, seal between the pump shaft of the embodiment of the present invention and motor opening, sealing effective situation Under, can enter in motor shell by anti-water-stop body;The embodiment of the present invention is filled with liquid medium, and monitoring inside motor shell Monitoring pipe two ends in device respectively with motor shell and be positioned at the observation cavity outside pump case and connect, the liquid in observation cavity Potential drop is low, then show that the liquid medium in motor shell leaks in water body;If liquid level in observation cavity raises, then show into Hydraulic oil in hydraulic motor or the water body outside motor shell leak in motor shell, by liquid in analysis and observation cavity Composition can finally determine seal failure position, thus can determine within the shortest time and want maintenance position, convenient to latent The maintenance of liquid ballast pump, making to dive liquid ballast pump can be the most properly functioning.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings Accompanying drawing.
Fig. 1 is the structural representation of the immersed pump that the embodiment of the present invention provides;
Fig. 2 is enlarged diagram at A in Fig. 1.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention Formula is described in further detail.
Embodiments provide a kind of immersed pump.The structural representation of the immersed pump that Fig. 1 provides for the embodiment of the present invention Figure, with reference to Fig. 1, this latent liquid ballast pump includes pump case 1, motor shell 2 and blower inlet casing 22, and pump case 1 is provided with water inlet 1.1 and goes out The mouth of a river 1.2, motor shell 2 and blower inlet casing 22 are fixedly installed in pump case 1;The bottom of motor shell 2 is provided with motor opening 2.1, motor shell 2 is provided with hydraulic motor 3, the outfan of hydraulic motor 3 connects pump shaft 4, and pump shaft 4 is through motor opening 2.1, seal between pump shaft 4 and motor opening 2.1 and arrange, pump shaft 4 through fixed cover on the position of motor opening 2.1 equipped with impeller 5, impeller 5 is arranged in blower inlet casing 22;Being characterized in that inside motor shell 2 of the embodiment of the present invention is filled with liquid Medium;And this latent liquid ballast pump also includes monitoring device, this monitoring device includes monitoring pipe 8 and observing cavity 9, monitoring pipe 8 Two ends connect with motor shell 2 and observation cavity 9 respectively, observe cavity 9 and are placed in pump case 1 outside.
The embodiment of the present invention is owing to being provided with hydraulic motor 3 in motor shell 2, and the outfan of hydraulic motor 3 connects to be had Pump shaft 4, hydraulic motor 3 start after, pump shaft 4 can concomitant rotation, the impeller 5 being positioned on pump shaft 4 also can concomitant rotation, water body can be made Flow to the outlet 1.2 of pump case 1 through the water inlet 1.1 of pump case 1, complete the injection of water body and discharge work;It addition, the present invention is real Execute to seal between the pump shaft 4 of example and motor opening 2.1 and arrange, in the case of sealing effectively, motor can be entered into by anti-water-stop body In housing 2;Monitoring pipe 8 two ends that the embodiment of the present invention is filled with in liquid medium, and monitoring device inside motor shell 3 are divided Not with motor shell 3 and be positioned at the observation cavity 9 outside pump case 1 and connect, when the liquid level reduction in observation cavity 9, then show horse The liquid medium reached in housing 3 leaks in water body;If the liquid level observed in cavity 9 raises, then show in feed liquor pressure motor 3 Water body outside hydraulic oil or motor shell 2 leaks in motor shell 2, by the composition of liquid in analysis and observation cavity 9 i.e. Can finally determine seal failure position, thus can determine within the shortest time and want maintenance position, convenient to latent liquid ballast pump Maintenance, make the latent liquid ballast pump can be the most properly functioning.
Liquid medium in the motor shell 3 of the embodiment of the present invention can be ethylene glycol, and its density is at water body and hydraulic oil Between, if the liquid level observed in cavity 9 raises, in observation cavity 9, the density of liquid component is higher than liquid medium under normal circumstances Density, then explanation motor shell 2 outside water body leak in motor shell 2;In observation cavity 9, the density of liquid component is low In the density of liquid medium under normal circumstances, then the hydraulic fluid leak in explanation hydraulic motor 3 is in motor shell 2.
The pump case 1 of the embodiment of the present invention can be in column, and water inlet 1.1 and outlet 1.2 are separately positioned on pump case 1 radially Both sides.And motor shell 2, blower inlet casing 22, pump shaft 4 and pump case 1 all can be coaxially disposed.
The latent liquid ballast pump of the embodiment of the present invention also includes oil inlet pipe 6 and oil return pipe 7, and oil inlet pipe 6 and oil return pipe 7 are all and liquid Pressure motor 3 connects and constitutes a loop.Oil inlet pipe 6 and oil return pipe 7, be the defeated of the operating offer hydraulic oil for hydraulic motor 3 Send passage, hydraulic oil can be provided to hydraulic motor 3, to drive hydraulic motor by oil inlet pipe 6 and oil return pipe 7.
Fig. 2 is enlarged diagram at A in Fig. 1, in conjunction with Fig. 2, the oil inlet pipe 6 of the embodiment of the present invention, oil return pipe 7 and monitoring pipe The set-up mode of 8 is:
The mounting means of oil return pipe 7:
The top of the motor shell 2 of the embodiment of the present invention is provided with cover plate 23, and cover plate 23 is provided with connecting hole 1.3, oil return Pipe 7 is i.e. positioned in connecting hole 1.3;The oil return pipe 7 of the embodiment of the present invention includes the upper oil pipe 7.1 being positioned at outside pump case 1 and is positioned at Lower oil pipe 7.2 within motor shell 2, one end of lower oil pipe 7.2 is connected with hydraulic motor 3, and the other end of lower oil pipe 7.2 is arranged Having connection otic placode 7.3, connect otic placode 7.3 and be fixed on cover plate 23, upper oil pipe 7.1 is arranged on connection otic placode 7.3.
The embodiment of the present invention arranges grip block 10 at connection otic placode 7.3 end face, connects otic placode 7.3 by grip block 10 clamping On cover plate 23, grip block 10 being provided with spill port 10.1, upper oil pipe 7.1 is fixedly installed on grip block 10, lower oil pipe 7.2 It is connected by spill port 10.1 with upper oil pipe 7.1.So, upper oil pipe 7.1, spill port 10.1 and lower oil pipe 7.2 collectively form One through oil return pipe 7.
The grip block 10 of the embodiment of the present invention can be removably connected with being connected otic placode 7.3 by screw 24, grip block 10 All can be rounded with connecting otic placode, and the external diameter of grip block 10 so can be possible not only to more than the external diameter of connection otic placode 7.3 Fixing connection otic placode 7.3, it is also possible to anti-water-stop body is between connecting between otic placode 7.3 and the connecting hole 1.3 on the axial top of pump case 1 Gap leaks.
Spill port 10.1 inwall of the embodiment of the present invention can be provided with a seam, and upper oil pipe 7.1 can be plugged in this On seam.
The mounting means of oil inlet pipe 6:
The oil inlet pipe 6 of the embodiment of the present invention can include the first oil pipe 6.1 and the second oil pipe 6.2, and the first oil pipe 6.1 is arranged Inside oil return pipe 7, second oil pipe 6.2 one end connects with the first oil pipe 6.1, and the second oil pipe 6.2 passes oil return pipe 7 inwall, the Two oil pipe 6.2 other ends are connected with hydraulic motor 3.
First oil pipe 6.1 of the embodiment of the present invention is connected by multiple connection gussets 6.3 and oil return pipe 7 inwall are fixing, many Individual connection gusset 6.3 is along the first circumferential equiangularly spaced setting of oil pipe 6.1.The setting of multiple connection gussets 6.3 is possible not only to solid Fixed first oil pipe 6.1, it is also possible to do not hinder the running of hydraulic power oil in oil return pipe 7.
Specific in the embodiment of the present invention, owing to grip block 10 has the location in radial and axial direction, have certain Support strength, therefore, multiple connection gussets 6.3 can be fixedly installed on the inwall of the second spill port 10.1 of grip block 10.
First oil pipe 6.1 of the embodiment of the present invention can be connected by oil connection 6.4 with the second oil pipe 6.2.
Second oil pipe 6.2 of the embodiment of the present invention can be divided into again inner tube 6.21 and outer tube 6.22, and inner tube 6.21 is positioned at back Oil pipe 7 is internal, and outer tube 6.22 is positioned at outside oil return pipe 7, can be provided with connection hydraulic fluid port 7.4, inner tube at lower oil pipe 7.2 sidewall The two ends of 6.21 respectively with oil connection 6.4 and be connected hydraulic fluid port 7.4 and connect, and connect and pass through between hydraulic fluid port 7.4 and hydraulic motor 3 Outer tube 6.22 connects, to realize the connection between oil inlet pipe 6 and hydraulic motor 3.
Can be provided with adapter 3.1 on the hydraulic motor 3 of the embodiment of the present invention, lower oil pipe 7.2 and outer tube 6.22 are permissible It is plugged on adapter 3.1, to realize the connection of oil inlet pipe 7 and oil return pipe 6 and hydraulic motor 3.
The mounting means of monitoring pipe 8:
It is outside that the monitoring pipe 8 of the embodiment of the present invention can be set in oil return pipe 7, and monitoring pipe 8 can be by many with oil return pipe 7 Root connecting rod 8.1 connects, and many connecting rods 8.1 are along the circumferential equiangularly spaced setting of oil return pipe 8, the setting of many connecting rods 8.1 It is possible not only to fixing oil return pipe 7, it is also possible to do not hinder the liquid medium flow in monitoring pipe 8.
The monitoring pipe 8 of the embodiment of the present invention can be fixedly installed on grip block 10 end face, grip block 10 and connection otic placode 7.3 have conveying flow passage 8.2, monitoring pipe 8 and motor shell 2 internal by conveying flow passage 8.2 even along motor shell 2 is axially arranged Logical.
The above-mentioned mounting means being oil inlet pipe 6, oil return pipe 7 and monitoring pipe 8, naturally it is also possible to adopt other mounting means, Such as oil inlet pipe 6 and oil return pipe 7 can be integral type structure, directly sequentially pass through pump case 1 and motor shell 2, with hydraulic motor 3 Adapter 3.1 connect, the embodiment of the present invention does not limits at this.
In the embodiment of the present invention, oil inlet pipe 6, oil return pipe 7 and monitoring pipe 8 can be coaxially and along the radial direction of pump case 1 from interior Outwards set gradually, it is possible to reduce the perforate on pump case 1 and motor shell 2, and reduce the use of sealing member, it is ensured that seal effect Really.
The observation cavity 9 of the embodiment of the present invention can use and can be labeled with scale on transparent material, and its sidewall, with Convenient observation.
In conjunction with Fig. 1, the hydraulic motor 3 of the embodiment of the present invention can be provided with bearing block 3.2, permissible in bearing block 3.2 Being disposed with roller bearing 3.3 and ball bearing 3.4, bearing block 3.2 is connected by roller bearing 3.3 and ball bearing 3.4 and pump shaft 4 Connect, to adapt to the radial force to pump shaft 4 and the axial force that water body produces when pump shaft 4 rotates.
In conjunction with Fig. 1, between pump shaft 4 and the motor opening 2.1 of the embodiment of the present invention, axle sleeve 11 and sealing shroud can be provided with 12, axle sleeve 11 fixed cover is located on pump shaft 4, and sealing shroud 12 is fixedly installed on motor opening 2.1 inwall, and the top of sealing shroud 12 is taken It is connected on bearing block 3.2 bottom of hydraulic motor 3, seals between axle sleeve 11 and sealing shroud 12 and arrange, to prevent outside motor shell 2 Water body or motor shell 3 in liquid medium leak in motor shell 2.
The end of the axle sleeve 11 of the embodiment of the present invention can be arranged on motor shell 2 by screw.
In conjunction with Fig. 1, owing to being full of hydraulic medium, therefore, the axle sleeve 11 of the embodiment of the present invention and sealing shroud in motor shell 3 Mechanical seal 13 can be provided with between 12 tops, in the hydraulic fluid leak being possible to prevent in hydraulic motor 3 to motor shell 3, The liquid medium being also prevented from motor shell 3 leaks in hydraulic motor 3;And be provided with between bottom axle sleeve 11 and sealing shroud 12 Rotatory sealing 14, rotatory sealing 14 can select two-lip seal, in case water-stop body leaks to, in motor shell 3, be also prevented from horse The liquid medium reached in housing 3 leaks in water body.
In conjunction with Fig. 1, the pump shaft 4 of the embodiment of the present invention can be fixedly installed in the part between motor shell 2 and impeller 5 There is transition axle sleeve 15, be possible to prevent pump shaft 4 to be corroded by water body, increase the service life of pump shaft 4.
In conjunction with Fig. 1, the impeller 5 of the embodiment of the present invention can be arranged on pump shaft 4 to use the form of spline fitted, pump shaft 4 The position of impeller 5 bottom is provided with stop nut 19, so that impeller 5 is carried out axial limiting.
Mainly use velocity-coefficient method during the Impeller Design of the embodiment of the present invention, naturally it is also possible to use Similar method and Theoretical calculation, the embodiment of the present invention does not limits at this.
In conjunction with Fig. 1, the impeller 5 of the embodiment of the present invention is detachably provided with in the contact position with blower inlet casing 22 and pump case 1 and rubs Wipe ring 20.When latent hydraulic pressure carries pump work, the friction that impeller 5 and blower inlet casing and pump case 1 produce all change in order to drag ring 20 Between friction, therefore when drag ring 20 damage occurs because of friction, can directly change drag ring 20, thus serve guarantor Protect the effect of miscellaneous part in latent liquid ballast pump.
In conjunction with Fig. 1, the latent liquid ballast pump of the embodiment of the present invention can also include self-priming apparatus, exist for latent liquid ballast pump The preparation of automatic water filling in startup forward direction pump case 1, this self-priming apparatus includes vacuum tube 16, level monitoring pipe 17 and ball-cock assembly 18, vacuum tube 16 is connected to the vacuum port 1.4 that the axial top of pump case 1 is arranged, and level monitoring pipe 17 is arranged in parallel with vacuum tube 16, Level monitoring pipe 17 connects with the liquid outlet 1.5 arranged on pump case 1 sidewall, forms linker, makes level monitoring pipe 17 and pump case 1 Interior liquid level is consistent, and ball-cock assembly 18 is arranged in level monitoring pipe 17.By confirming the height of ball-cock assembly 18, i.e. can determine whether Height of liquid level in pump case 1.When latent liquid ballast pump before activation, if the liquid level found in pump case 1 is less than preset height, explanation It is not in vacuum state in pump case 1, carries out evacuation process by vacuum extractor to pump case 1 is internal, automatically inhale in making pump case 1 Water, automatically until the liquid level in pump case 1 is not less than preset height.
In conjunction with Fig. 1, the latent liquid ballast pump of the embodiment of the present invention due to need long period of soaking in water body, for anti-water-stop body pair The corrosion of latent liquid ballast pump, the embodiment of the present invention can arrange spelter 21, due to spelter at the different parts of latent liquid ballast pump Reproducibility is relatively strong, can be as protection pole, and the composition that is connected with the metal of protected latent liquid ballast pump galvanic element, reproducibility is stronger Spelter will consume as negative pole generation oxidation reaction, therefore, the metal of protected latent liquid ballast pump just may be used as positive pole To avoid corrosion.The spelter 21 of the embodiment of the present invention can be arranged on bottom pump case 1, pump case 1 sidewall, pump case 1 top and liquid level Bottom monitoring pipe 17, the embodiment of the present invention does not limits at this.
It addition, the pump case 1 of the embodiment of the present invention can be whole welding type structure, relative to multi-segmental cast structure shell Body, can reduce cost.
In the embodiment of the present invention, adpting flange can be respectively arranged with at the water inlet 1.1 of pump case 1 and outlet 1.2, It is connected for pipeline.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.

Claims (10)

1. a latent liquid ballast pump, described latent liquid ballast pump includes pump case (1), motor shell (2) and blower inlet casing (22), described pump It is provided with water inlet (1.1) and outlet (1.2), described motor shell (2) and described blower inlet casing (22) on shell (1) to be fixedly installed In described pump case (1);The bottom of described motor shell (2) is provided with motor opening (2.1), and described motor shell sets in (2) Being equipped with hydraulic motor (3), the outfan of described hydraulic motor (3) connects pump shaft (4), and described pump shaft (4) passes described motor Opening (2.1), seals between described pump shaft (4) and described motor opening (2.1) and arranges, and described pump shaft (4) passes described motor On the position of opening (2.1), fixed cover is equipped with impeller (5), and described impeller (5) is arranged in described blower inlet casing (22), and its feature exists In, described motor shell (2) is internal is filled with liquid medium;Described latent liquid ballast pump also includes monitoring device, and described monitoring fills Put include monitoring pipe (8) and observe cavity (9), described monitoring manage (8) two ends respectively with described motor shell (2) and described sight Examining cavity (9) connection, it is outside that described observation cavity (9) is placed in described pump case (1).
Latent liquid ballast pump the most according to claim 1, it is characterised in that described latent liquid ballast pump also includes oil inlet pipe (6) With oil return pipe (7), one end of described oil inlet pipe (6) is arranged on the inside of described oil return pipe (7), the middle part of described oil inlet pipe (6) Through the sidewall of described oil return pipe (7), the other end of described oil inlet pipe (6) is connected with described hydraulic motor (3), described oil inlet pipe (6) all connect with described hydraulic motor (3) with described oil return pipe (7) and constitute a loop.
Latent liquid ballast pump the most according to claim 2, it is characterised in that described oil inlet pipe (6) is by multiple connection gussets (6.3) being fixedly connected in described oil return pipe (7), the plurality of connection gusset (6.3) is along described oil inlet pipe (6) circumference angularly Interval is arranged.
Latent liquid ballast pump the most according to claim 2, it is characterised in that the top of described motor shell (2) is provided with cover plate (23), described cover plate (23) being provided with connecting hole (1.3), described oil return pipe (7) is positioned in described connecting hole (1.3);Described Oil return pipe (7) includes being positioned at the outside upper oil pipe (7.1) of described pump case (1) and being positioned at the lower oil that described motor shell (2) is internal Pipe (7.2), one end of described lower oil pipe (7.2) is connected with described hydraulic motor (3), and the other end of described lower oil pipe (7.2) sets Being equipped with connection otic placode (7.3), described connection otic placode (7.3) is fixed on described cover plate (23), and described upper oil pipe (7.1) is arranged on On described connection otic placode (7.3).
Latent liquid ballast pump the most according to claim 4, it is characterised in that described connection otic placode (7.3) end face is provided with folder Holding plate (10), described connection otic placode (7.3) is connected on described cover plate (23) by described grip block (10), described grip block (10) being provided with spill port (10.1) on, described upper oil pipe (7.1) is fixedly installed on described grip block (10), described lower oil pipe (7.2) it is connected by described spill port (10.1) with described upper oil pipe (7.1).
Latent liquid ballast pump the most according to claim 4, it is characterised in that described monitoring pipe (8) is set in described upper oil pipe (7) outside, described connection otic placode (7.3) and described grip block (10) are communicated with described monitoring pipe (8) and described motor shell The conveying flow passage (8.2) that body (2) is internal.
Latent liquid ballast pump the most according to claim 5, it is characterised in that described monitoring pipe (8) is led to described oil return pipe (7) Too much root connecting rod (8.1) connects, and described many connecting rods (8.1) are along the circumferential equiangularly spaced setting of described oil return pipe (8).
8. according to the latent liquid ballast pump described in any one of claim 1-7, it is characterised in that described pump shaft (4) and described motor Being provided with axle sleeve (11) and sealing shroud (12) between opening (2.1), described axle sleeve (11) is set on described pump shaft (4), described Sealing shroud (12) is fixedly installed on described motor opening (2.1) inwall, and the top of described sealing shroud (12) is overlapped on described hydraulic pressure The bottom of motor (3), seals between described axle sleeve (11) and described sealing shroud (12) and arranges.
9. according to the latent liquid ballast pump described in any one of claim 1-7, it is characterised in that described pump shaft (4) is at described motor Transition axle sleeve (15) it is provided with in part between housing (2) and described impeller (5).
10. according to the latent liquid ballast pump described in any one of claim 1-7, it is characterised in that described latent liquid ballast pump also includes Self-priming apparatus, described self-priming apparatus includes vacuum tube (16), level monitoring pipe (17) and ball-cock assembly (18), described vacuum tube (16) It is connected to described pump case (1) vacuum port (1.4) that axially top is arranged, described level monitoring pipe (17) and described vacuum tube (16) Being arranged in parallel, described level monitoring pipe (17) connects with the liquid outlet (1.5) arranged on described pump case (1) sidewall, described ball float Valve (18) is arranged in described level monitoring pipe (17).
CN201610658271.5A 2016-08-11 2016-08-11 Latent liquid ballast pump Active CN106286314B (en)

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CN201610658271.5A CN106286314B (en) 2016-08-11 2016-08-11 Latent liquid ballast pump

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CN107165834A (en) * 2017-07-20 2017-09-15 合肥英腾嘉科技发展有限责任公司 A kind of big flow immersible pump
CN109654028A (en) * 2018-10-30 2019-04-19 武汉船用机械有限责任公司 A kind of portable centrifugal pump
CN109702906A (en) * 2019-01-28 2019-05-03 江苏徐工工程机械研究院有限公司 Two monitoring chambeies of cutting machine drive unit
CN115451133A (en) * 2022-08-31 2022-12-09 武汉船用机械有限责任公司 Double-mechanical sealing device for hydraulic submersible hydraulic load pump

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CN109026740B (en) * 2018-07-27 2020-06-09 武汉船用机械有限责任公司 Hydraulic submersible sea water pump

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CN2643049Y (en) * 2003-06-02 2004-09-22 浙江大学 Hydraulic pressure transformer
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US1655545A (en) * 1925-09-21 1928-01-10 Byron Jackson Pump Mfg Co Hot-oil pump
EP0661450A1 (en) * 1993-12-06 1995-07-05 Vickers Incorporated Rotary fluid pressure energy translating device with shaft seal
CN2643049Y (en) * 2003-06-02 2004-09-22 浙江大学 Hydraulic pressure transformer
CN101539130A (en) * 2009-04-24 2009-09-23 上海电气液压气动有限公司 Hydraulic clino-axial piston pump or motor
CN101634316A (en) * 2009-06-09 2010-01-27 东华大学 Hydraulic transformer with safety device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107165834A (en) * 2017-07-20 2017-09-15 合肥英腾嘉科技发展有限责任公司 A kind of big flow immersible pump
CN109654028A (en) * 2018-10-30 2019-04-19 武汉船用机械有限责任公司 A kind of portable centrifugal pump
CN109654028B (en) * 2018-10-30 2021-04-09 武汉船用机械有限责任公司 Portable centrifugal pump
CN109702906A (en) * 2019-01-28 2019-05-03 江苏徐工工程机械研究院有限公司 Two monitoring chambeies of cutting machine drive unit
CN109702906B (en) * 2019-01-28 2024-02-02 江苏徐工工程机械研究院有限公司 Cutting machine driving unit double-monitoring cavity
CN115451133A (en) * 2022-08-31 2022-12-09 武汉船用机械有限责任公司 Double-mechanical sealing device for hydraulic submersible hydraulic load pump

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