A kind of movable pump station
Technical field
The utility model is related to engineer operation equipment, more particularly to a kind of movable pump station.
Background technology
China is vast in territory, and in length and breadth, pumping plant is the important foundation in hydraulic engineering irrigation and drainage, urban flood control and drainage to rivers
Facility, is responsible for agricultural and city irrigation and drainage, controls flood and drains flooded fields and industrial and agricultural production and living standard of urban and rural population water supply task.But
By fixed pumping plant such as Flooding or arid situation that standard is designed, may be because can not normal work water level is too high or too low
Make.It is impossible now to build pumping plant temporarily, is also uneconomic, it will usually cause great damage to the country and people's lives and properties
Lose.With the development of urban construction, urban environment also becomes increasingly complex, and (such as narrow street, underground lead to some low, short, narrow environment
Road, underground garage, subway station) or the more complicated local existing pump truck of road conditions can not normally enter and carry out operation, it is impossible to rise
To any effect.
In some existing patent documents, describe and pump machanism is arranged on crawler body, crawler body and pump machanism
Driven using electric drive or hydraulic oil, hydraulic oil is then supplied by hydraulic oil pipe from the other hydraulic oil pump for setting, and is supplied
The hydraulic oil pump of hydraulic oil is answered then generally to be additionally installed in automobile chassis, crawler body or casing (by chassis power takeoff
Or independent diesel engine provides power for hydraulic oil pump), and automobile chassis, the crawler body of hydraulic oil pump and diesel engine are installed
Or casing often cannot be introduced into low, short, narrow operating environment and complex road condition, such crawler body and pump machanism action thereon
Scope is just limited by hydraulic oil pump fuel feeding distance, while it is (with a varied topography to be likely to result in be tied down by hydraulic oil pipe laying
The winding of hydraulic oil pipe, the problems such as block)
Accordingly, it would be desirable to research and develop a kind of compact conformation, movable pump station can be self-sufficient, it is not necessary to external power supply, can
Rapid needs of arriving in draw water the scene of speedily carrying out rescue work, and can fast and easy input draw water automation high, the high maneuverability of operation, by landform
Ground condition influence is small, adapts to the movable pump station of low, short, narrow operating environment and complex road condition.
Utility model content
The purpose of this utility model be according to above-mentioned the deficiencies in the prior art part, there is provided a kind of pump station structure is compact, move
Dynamic pumping plant can be self-sufficient, adapts to the movable pump station of low, short, narrow operating environment and complex road condition.
What the utility model was realized in:A kind of movable pump station, including the chassis with hydraulic traveling mechanism, engine
Structure, pump machanism, hydraulic system, described actuating unit, pump machanism and hydraulic system are arranged at the bottom with hydraulic traveling mechanism
On disk, described actuating unit is respectively pump machanism and provides power with the hydraulic oil pump of hydraulic system so that on chassis and chassis
Actuating unit, pump machanism and hydraulic system move in the lump under the driving of hydraulic traveling mechanism.
Using said structure, actuating unit provides power, wherein pump machanism for the hydraulic oil pump of pump machanism and hydraulic system
Can be used for live pump water operation of speedily carrying out rescue work of drawing water, then outside output hydraulic pressure is oily for hydraulic oil pump so that tool is flowed in hydraulic system
There is the hydraulic oil of pressure, the hydraulic oil for being exported is further for hydraulic traveling mechanism provides hydraulic power, so as to drive the chassis can
What is controlled moves as needed.Again because actuating unit, pump machanism and hydraulic system are located on chassis, therefore movable pump station is (at least
Including actuating unit, pump machanism, hydraulic system, chassis) move in the lump as needed.Movable pump station does not need external moving
Power source, avoids the need for being connected with exterior power source with movable pump station by hydraulic oil pipe, cable etc., thus movable pump station movement
(work) scope can not be limited (such as pump oil distance of hydraulic oil;Hydraulic oil, laying of cable etc.), by the side such as remote control
Formula, what movable pump station can be independent gos deep into complex environment work such that it is able to adapt to low, short, narrow operating environment and complex road condition.
Further, described actuating unit has the first output shaft and the second output shaft, described the first output shaft and
The input shaft drive connection of pump machanism;The second described output shaft is connected with the oil pump shaft of hydraulic oil pump.
Described drive connection can be used and is directly connected to (such as using shaft coupling, clutch), it would however also be possible to employ indirectly
Connection (such as using belt pulley, gear-box), when using being directly connected to, typically can be between the part being mutually connected
Using being coaxially disposed, when using being indirectly connected with, mutually can typically be used between the part of drive connection and be not coaxially disposed
(being such as set up in parallel).
Using this structure, the first output shaft of actuating unit is connected with the input shaft of pump machanism, and then causes pump
Wheel rotation in mechanism, the acting of pump machanism pump water.Certainly, in order that obtaining the smooth pump water of pump machanism, however not excluded that use vavuum pump
(vavuum pump can drive or be also adopted by the power exported in actuating unit with electricity) etc. discharges the air in pump machanism.Second output
Axle is connected with the oil pump shaft of hydraulic oil pump, so that the external output hydraulic pressure oil of hydraulic oil pump so that have in hydraulic system
There is the hydraulic oil of the pressure of flowing, hydraulic oil drives the hydraulic traveling mechanism walking on chassis.First output shaft and the second output shaft
The type of outgoing position on actuating unit and actuating unit, model are relevant, can be arranged on actuating unit both sides or
It is unilateral, it is also possible to after an output shaft is exported again by the mechanisms such as belt pulley, gear-box it is discrete go out the first output shaft and the
Two output shafts.As long as same actuating unit is simultaneously for pump machanism and hydraulic oil pump provide the protection model that power just belongs to this patent
Enclose.
Likewise, actuating unit of the present utility model can also have the first output shaft, described the first output shaft point
The oil pump shaft drive connection of input shaft, hydraulic oil pump not with pump machanism.Using said structure, it is adapted to and only there is one
The actuating unit of output shaft, while being more suitable for setting pump machanism and oil pump in the unilateral of actuating unit, it is also possible to play conjunction
Removing the work office, the effect of save space.
Further, the input shaft of described pump machanism is on same straight line and passes with the first output shaft of actuating unit
Dynamic connection.
Because pump machanism is the groundwork unit of movable pump station, it is related to make in the pump water conservancy project speedily carried out rescue work in operation of drawing water,
Therefore its input shaft needs powerful power input, and the first output shaft of the actuating unit that is connected on axial direction can reduce power
Torque loss in transmitting procedure, for the input shaft of pump machanism provides big torque.The mode of drive connection can use shaft coupling
Device is connected, it would however also be possible to employ electromagnetic clutch is connected.Use for convenience, during using shaft coupling, it is possible to use from
Clutch.It is of course also possible to use electromagnetic clutch, the electromagnetic clutch of some models can save the use of shaft coupling.
Further, second output shaft is arranged on actuating unit on the another side relative with the first output shaft,
And be connected with the oil pump shaft of hydraulic oil pump.The second output shaft set location can effectively simplify actuating unit.One
It is on a little actuating units, such as general on air-cooled diesel engine that there are multiple power takings mouthful, such as from relative another of the first output shaft
Output shaft power taking mouthful for the connecting fan extended out on one side etc., these power takings mouthful can setting as the second output shaft
Seated position.As long as the power taking mouthful in same motivation mechanism can be as the set location of the second output shaft.
Actuating unit of the present utility model can be diesel engine.Diesel engine is low to the standard comparing of fuel, and kinetic energy is converted
Rate is higher, moreover it is possible to producing ratio gasoline engine moment of torsion higher.The compression ratio of Diesel engine is above gasoline engine, so it fires
Oily high conversion rate can obtain efficiency of combustion higher in gasoline engine, so as to obtain more preferable fuel-efficient effect.In view of diesel oil
Volatility is poor, and Flash Point of Diesel is higher, self-ignition point than relatively low, therefore the security of diesel engine is higher than gasoline engine.Especially
It is in operation of drawing water, to be substantially submersible, and relative to motor, diesel engine is in the absence of dangers such as electric leakages.Phase
For gasoline engine, diesel engine need not be by high pressure ignition system, and structure is relatively simple, and technology maturation, and reliability is higher.Bavin
The rotating ratio of oil machine is relatively low, and spare and accessory parts are non-aging, and abrasion is also slow compared with gasoline engine, so the service life of diesel engine can longer one
A bit.Certainly, actuating unit can also be using gasoline engine or motor etc..
Chassis with hydraulic traveling mechanism of the present utility model is the crawler body being hydraulically operated.The drive of crawler body
Power is big (35%-45% of the usual every driving force of crawler belt up to machine weight), connects than pressing small (40-150kPa), thus cross-country
Performance and good stability, climbing capacity it is big (generally 50%-80%, it is maximum up to 100%), and radius of turn is small, flexibly
Property is good.Obstacle climbing ability, landform are adaptable (can be crossed including stair, roadblock etc.), can pivot turn.It is adapted to deeply complexity
Environmental work such that it is able to adapt to low, short, narrow operating environment and complex road condition.
Certainly, the chassis with hydraulic traveling mechanism can also be wheel undercarriage, or with strike mechanism or
The hull of propeller mechanism, or amphibious chassis.
Further, the upper surface of crawler body of the present utility model is sequentially provided with pump machine along the direction parallel with crawler belt
Structure, diesel engine, diesel engine extend the first output shaft towards the direction of pump machanism, and the first output shaft leads to the input shaft of pump machanism
Cross shaft coupling transmission connection, can use clutch in the front and back axis of shaft coupling, the connection of convenient control drive connection or
Disconnect;Diesel engine is connected towards the oil pump shaft of the second output shaft and hydraulic oil pump, such as uses coaxially arranged (such as shaft coupling), or adopt
(belt pulley, gear-box, sprocket wheel etc.) is connected with indirect drive, non-coaxial arrangement (side by side or biasing).Certainly, it is necessary to situation
Under, can also be by the way of indirect drive connection between the first output shaft and the input shaft of pump machanism.
Using said structure, diesel engine is arranged between pump machanism and hydraulic oil pump, is easy to the layout of its output shaft, and knot
Structure is compact, simply.Meanwhile, pump machanism needs to be immersed in the water or connect suction hose, is arranged on side relative on chassis, is easy to
Its connection suction hose and drainpipe, or when body part is submerged in water, pump machanism can immerse or part immersion needs are taken out
In the water of water.
Hydraulic system of the present utility model includes hydraulic motor, hydraulic control unit, hydraulic oil container, described hydraulic oil
Case, hydraulic oil pump, hydraulic control unit, hydraulic motor are interconnected and form hydraulic oil driving circuit, fluid motor-driven crawler belt
Or the walking mechanism action such as wheel.In order under water or submersible stability and security, crawler body uses hydraulic-driven,
The action of crawler belt is driven by hydraulic motor, and the hydraulic oil of hydraulic motor is carried by the hydraulic oil pump being arranged on chassis
Adjusted by adjusting hydraulic oil to the fuel feeding situation (such as oil pressure, oil speed, oil mass) of hydraulic motor for, hydraulic control unit and
The work of hydraulic motor is controlled, so as to further control the action of crawler body.
Further, the top of the crawler belt correspondence position of the utility model crawler body sets diesel oil casing, hydraulic oil container.Will
Diesel oil casing, hydraulic oil container are oppositely arranged on the outside on chassis, are on the one hand easy to supplement of the diesel oil with hydraulic oil or replacing, because
It is easier to find and dock oil gun or oil can at its opening, on the other hand, by diesel oil casing, hydraulic oil container can be with high temperature
There is certain interval in core work area, it is to avoid the risk of unexpected overheat or burning occurs.
Pump machanism of the present utility model includes interconnected water inlet and discharge outlet, the sky between water inlet and discharge outlet
Impeller is provided with chamber, water inlet is located at the position on the relatively close chassis in discharge outlet lower section.Using the water pump of this structure, can
It is adapted to operation of drawing water, one side water inlet on the lower, is closer to the water surface for needing to draw water, so only needs to a pumping plant part
Submerge in water, so that it may so that water inlet is immersed in the water.Meanwhile, also allow for that suction hose is installed so that suction hose extends forward downwards
Into in water.On the other hand, the position that discharge outlet is oppositely arranged is higher, facilitates its connection drainpipe, and discharge outlet to set
360 degree of elbows of rotation in the horizontal plane are counted into, upper connection drainpipe in any direction is easily facilitated so that pumping plant is more adapted to
Low, short, narrow and complex road condition operating environment requirement.
In sum, the movable pump station compact conformation, movable pump station can be self-sufficient, it is not necessary to external power supply, energy
Enough needs of arriving in rapidly draw water the scene of speedily carrying out rescue work, and can fast and easy input draw water automation high, the high maneuverability of operation, by ground
The condition influence of shape ground is small, adapts to the movable pump station of low, short, narrow operating environment and complex road condition.
Brief description of the drawings
Fig. 1 is the main structure diagram of the utility model movable pump station;
Fig. 2 is the overlooking the structure diagram of the utility model movable pump station;
Fig. 3 is the left view structural representation of the utility model movable pump station;
Fig. 4 is a kind of schematic diagram of embodiment of the utility model movable pump station;
Fig. 5 is the schematic diagram of another embodiment of the utility model movable pump station
Description of reference numerals:
1st, chassis;11st, diesel oil casing;12nd, hydraulic oil container;
2nd, actuating unit;21st, the first output shaft;22nd, the second output shaft
3rd, water pump;31st, water inlet;32nd, discharge outlet
4th, hydraulic oil pump;41st, hydraulic control unit.
Specific embodiment
To describe technology contents of the present utility model, structural feature, the objects and the effects in detail, below in conjunction with implementation
Mode simultaneously coordinates accompanying drawing to be explained in detail.
Fig. 1 to 4 is referred to, what the utility model was realized in:A kind of movable pump station, including with hydraulic traveling mechanism
Chassis 1, actuating unit 2, pump machanism 3, hydraulic system, described actuating unit 2, pump machanism 3 and hydraulic system are arranged at tool
Have on the chassis 1 of hydraulic traveling mechanism, described actuating unit 2 is respectively pump machanism 3 and is provided with the hydraulic oil pump 4 of hydraulic system
Power, pump machanism 3 can be used for drawing water the pump water operation at the scene of speedily carrying out rescue work, hydraulic oil pump 4 can outwards output hydraulic pressure it is oily so that liquid
In pressure system flowing with pressure hydraulic oil, the hydraulic oil for being exported further for hydraulic traveling mechanism provides hydraulic power,
So as to drive chassis 1 controllable moves as needed.Again because actuating unit 2, pump machanism 3 and hydraulic system are located on chassis 1,
So that chassis 1 and the One On The Chassis actuating unit 2, pump machanism 3 and hydraulic system are moved in the lump under the driving of hydraulic traveling mechanism
It is dynamic.
The movable pump station does not need external power source, avoid the need for by hydraulic oil pipe, cable etc. and movable pump station with
Outer power source connection, mobile (work) scope can not be limited (such as pump oil distance of hydraulic oil;The cloth of hydraulic oil, cable
If waiting), by modes such as remote controls, what movable pump station can be independent gos deep into complex environment work such that it is able to adapt to low, short, narrow
Operating environment and complex road condition.
Pump machanism 3 can be water pump, be the part of the external output work of movable pump station, for the need at the scene of speedily carrying out rescue work according to drawing water
Will, carry out the mechanism of pump water.In certain embodiments, 3 fluids of pump of pump machanism can be water, in some other embodiment
In, the fluid of 3 pumps of pump machanism is probably muddy water, sewage, profit etc., is determined according to actual job requirements.
Actuating unit 2 has the first output shaft 21 and the second output shaft 22, described the first output shaft 21 and pump machanism 3
Input shaft is connected, and then causes the wheel rotation of pump machanism 3, the acting of the pump water of pump machanism 3.Described second output shaft 22 with
The oil pump shaft drive connection of hydraulic oil pump 4 so that the external output hydraulic pressure of hydraulic oil pump 4 is oily, in hydraulic system with pressure
The hydraulic oil of power drives the hydraulic traveling mechanism walking on chassis 1.
Described drive connection can be used and is directly connected to (such as using shaft coupling, clutch), it would however also be possible to employ indirectly
Connection (such as using belt pulley, gear-box), when using being directly connected to, typically can be between the part being mutually connected
Using being coaxially disposed, when using being indirectly connected with, mutually can typically be used between the part of drive connection and be not coaxially disposed
(being such as set up in parallel).
Certainly, in order that obtaining the smooth pump water of pump machanism 3, however not excluded that using vavuum pump, (vavuum pump can be driven with electricity or also be adopted
With in actuating unit 2 export power) etc. in pump machanism 3 air discharge.
Type, the type of the outgoing position of the first output shaft 21 and the second output shaft 22 on actuating unit 2 and actuating unit 2
It is number relevant, in certain embodiments, the both sides (such as the embodiment that accompanying drawing 1 to 4 is regarded) of actuating unit 2 can be arranged on, another
In some embodiments, it is also possible to be arranged on the one side of actuating unit 2.
In some other embodiment, or after an output shaft stretches out actuating unit 2, then by belt pulley,
The mechanisms such as gear-box it is discrete go out the first output shaft 21 and the second output shaft 22.As long as it should be noted that same actuating unit 2 is same
When provide the protection domain that power just belongs to this patent for pump machanism 3 and hydraulic oil pump 4.
Likewise, actuating unit of the present utility model can also have the first output shaft, described the first output shaft point
The oil pump shaft drive connection of input shaft, hydraulic oil pump not with pump machanism.The kind of drive can be according to the position for setting using straight
Connect in succession (such as using shaft coupling, clutch), it would however also be possible to employ be indirectly connected with (such as using belt pulley, gear-box, sprocket wheel).
Accompanying drawing 4 is refer to, above-mentioned setting allows to be arranged at pump machanism and hydraulic oil pump the homonymy of actuating unit.
Preferably, the input shaft of described pump machanism 3 is on same straight line simultaneously with the first output shaft 21 of actuating unit 2
Connected by shaft coupling transmission.The connection or disconnection being connected for convenience, (are typically leaning on before and after the axis of shaft coupling
The position of nearly actuating unit is provided with clutch).In certain embodiments, electromagnetic clutch can be used, by using electromagnetism
Clutch can save the use of shaft coupling so that structure is compacter.
Second output shaft 22 is arranged on another side of the actuating unit relative to the first output shaft 21, and and hydraulic pressure
The oil pump shaft drive connection of oil pump 4.This preferred embodiment, is lost small in simple structure, and power transmittance process.In some embodiments
In, can the first or second output shaft and between input shaft or oil pump shaft set clutch (or similar arrangement of clutch),
Can be needed to control clutch according to actual operation, so as to determine whether torque passes to input shaft or oil pump shaft is done
Work(.
Preferably, actuating unit 2 can be diesel engine, and the chassis 1 with hydraulic traveling mechanism can be to be hydraulically operated
Crawler body.The use environment of this patent is more conform with each performance parameter of diesel engine and crawler body.Preferably,
Air-cooled Diesel engine, air-cooled Diesel engine can be used also has more power taking mouthful in addition to the first output shaft,
Can be used for arranging the second output shaft.In some models, power taking mouthful can be the band extended from air-cooled Diesel engine
The power taking mouthful that the axle of dynamic blower fan rotation, or its periphery open up.In other models, also there is power taking mouthful to set and start
On the first output shaft same lateral position or engine side wall of machine, above-mentioned power taking mouth can be as the setting of the second output shaft position
Put and use.
Certainly, actuating unit 2 can also be using gasoline engine or motor etc..Also may be used on chassis with hydraulic traveling mechanism
To use wheel undercarriage or leg chassis of creeping.
In one embodiment, the upper surface of crawler body of the present utility model 1 along the direction parallel with crawler belt according to
Secondary to be provided with pump machanism 3, diesel engine 2, hydraulic oil pump 4, diesel engine 2 extends the first output shaft 21 towards the direction of pump machanism 3, the
One output shaft 21 is connected with the input shaft of pump machanism 3 by shaft coupling transmission, and diesel engine 2 extends towards the direction of hydraulic oil pump 4
Go out the second output shaft 22, the second output shaft 22 is connected with the oil pump shaft of hydraulic oil pump 4.
Fig. 5 is refer to, certainly, (such as gear-box, belt pulley, sprocket wheel mode) is connected by indirect drive, pump machanism 3,
Diesel engine 2, hydraulic oil pump 4 non-coaxial can also set, such as be arranged side by side each other, can realize that this practicality is new
Type purpose, and in the case of rational deployment, such as pump machanism 3, diesel engine 2 are coaxial, and hydraulic oil pump 4 and diesel engine 2
The setting of side-by-side or eccentric (non-coaxial), reaches compact, efficient effect.
Further, hydraulic system includes hydraulic motor, hydraulic control unit 41, hydraulic oil container 12, hydraulic oil pump 4, described
Hydraulic oil container 12, hydraulic oil pump 4, hydraulic control unit 41, hydraulic motor be interconnected form hydraulic oil driving circuit, hydraulic pressure
Motor drives crawler belt action.Hydraulic control unit 41 is by adjusting hydraulic oil to the fuel feeding situation of hydraulic motor (such as oil pressure, oil
Speed, oil mass etc.) come the work that adjusts and control hydraulic motor, so as to further control the action of crawler body 1.
Certainly, the chassis with hydraulic traveling mechanism can also be wheel undercarriage, or with strike mechanism or
The hull of propeller mechanism, or amphibious chassis.Depending on job requirements.Preferably, the utility model
The top of the crawler belt correspondence position of crawler body 1 sets diesel oil casing 11, hydraulic oil container 12.By diesel oil casing 11, hydraulic oil container
, there is certain interval in 12 outsides for being oppositely arranged on chassis 1 with the core work area of high temperature, it is to avoid diesel oil or hydraulic oil occur
Unexpected overheat or the risk of burning, while convenient supplement, change, checking.
Pump machanism of the present utility model 3 includes interconnected water inlet 31 and discharge outlet 32, water inlet 31 and discharge outlet
Impeller is provided with cavity between 32, water inlet 31 is located at the position on the relatively close chassis 1 in the lower section of discharge outlet 32.On the one hand enter
The mouth of a river 31 on the lower, is closer to the water surface for needing to draw water, and so only needs to submerge a pumping plant part in water, so that it may so as to enter
The mouth of a river 31 is immersed in the water.Meanwhile, also allow for that suction hose is installed so that suction hose is extended forward into downwards in water.On the other hand,
The position that discharge outlet 32 is oppositely arranged is higher, facilitates its connection drainpipe, and discharge outlet 32 to be designed in the horizontal plane
360 degree of elbows of rotation, easily facilitate upper connection drainpipe in any direction so that pumping plant more adapts to low, short, narrow and complexity
The operating environment requirement of road conditions.
When the movable pump station for needing to be recorded using this patent draw water speedily carries out rescue work operation, this patent is so to implement,
Movable pump station can be mounted on the delivery vehicles such as platform trailer or container car, reach the impassable place of delivery vehicle
Afterwards, movable pump station is unloaded to ground.
Start diesel engine 2, the first output shaft 21 of diesel engine 2 is the impeller powered rotation of water pump 3, and this is due to also
Impeller rotation acting is not needed, therefore can cause to be mutually disengaged between input shaft and the first output shaft 21 using clutch.Bavin
Second output shaft 22 of oil machine 2 is the oil pump shaft powered rotation of hydraulic oil pump 4, and hydraulic oil pump 4 externally pumps out hydraulic oil, liquid
Force feed enters in the hydraulic motor of crawler body 1, hydraulic motor working condition is controlled by hydraulic control unit 41, so as to drive
Crawler belt is carried out.
Control to crawler belt travel direction and speed can be by controlling hydraulic control unit 41 to realize, described control can
To use wired or wirelessly carry out, it would however also be possible to employ the mode of artificial intelligence is realized.
When movable pump station is marched to draws water place, connecting pipe that can be artificial, specifically, can be in water pump 3
Water inlet 31 connects suction hose, and drainpipe is connected in the discharge outlet 32 of water pump 3.The entrance immersion of suction hose is needed into the water of pump drainage
In, the place that can be received and extract water out is guided in the outlet of drainpipe, such as in river, water channel, catch pit, water pot.
It is of course also possible to not need drinking-water pipe, and directly movable pump station is partially moved to below the water surface so that water pump 3
Water inlet 31 immersion the water surface below.
Afterwards so that the first output shaft 21 with driven input shaft rotate, described drive refer to the first output shaft 21 with it is defeated
To enter be coupled to each other by shaft coupling between axle, the first output shaft rotarily drives input shaft rotation.If the first output shaft 21 with it is defeated
Enter between axle and there is clutch, at this moment should cause that clutch is in united state, impeller rotary pump water.In some cases, one
The water pump 3 of a little models is needed water pump partial vacuum, then can first start corresponding vavuum pump to water according to actual conditions
The appropriate section of pump 3 is vacuumized, and vavuum pump can use electronic.
Implement in a manner mentioned above, water pump 3 (pump machanism 3) (usually flooded point) can be taken out from the water for needing pump drainage
Water, the place that can be received and extract water out is expelled to by drainpipe, so that the effect speedily carried out rescue work of realizing drawing water.
Embodiment of the present utility model is the foregoing is only, scope of patent protection of the present utility model is not thereby limited,
Equivalent structure or equivalent flow conversion that every utilization the utility model specification and accompanying drawing content are made, or directly or indirectly fortune
Used in other related technical fields, similarly it is included in scope of patent protection of the present utility model.