CN110242565A - A kind of marine diesel emergency fire pump - Google Patents
A kind of marine diesel emergency fire pump Download PDFInfo
- Publication number
- CN110242565A CN110242565A CN201910525687.3A CN201910525687A CN110242565A CN 110242565 A CN110242565 A CN 110242565A CN 201910525687 A CN201910525687 A CN 201910525687A CN 110242565 A CN110242565 A CN 110242565A
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- Prior art keywords
- pump
- bearing
- chamber
- rotor
- seal structure
- Prior art date
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Links
- 230000008878 coupling Effects 0.000 claims abstract description 33
- 238000010168 coupling process Methods 0.000 claims abstract description 33
- 238000005859 coupling reaction Methods 0.000 claims abstract description 33
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 11
- 239000010439 graphite Substances 0.000 claims abstract description 11
- 238000005188 flotation Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 50
- 238000009434 installation Methods 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 9
- 239000004519 grease Substances 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 5
- 210000002445 nipple Anatomy 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 238000005461 lubrication Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005086 pumping Methods 0.000 description 4
- 230000003213 activating effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/06—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0034—Sealing arrangements in rotary-piston machines or pumps for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine
- F04C15/0038—Shaft sealings specially adapted for rotary-piston machines or pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
- F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of marine diesel emergency fire pump, diesel engine and sliding-vane pump are sequentially connected by shaft coupling, and diesel engine and sliding-vane pump are each attached on pedestal.The invention discloses a kind of marine diesel emergency fire pumps, and structure is simple, and the ability with high suction depth and strong self-priming improves working efficiency of the invention；And it is provided with Graphite flotation in positive displacement pump, ensure that the lubricating action in positive displacement pump between each component, reduces the probability of failure appearance.
Description
Technical field
The present invention relates to fire-fighting pump technical field peculiar to vessel, more particularly to a kind of marine diesel emergency fire-fighting
Pump.
Background technique
Mobile diesel engine emergency fire pump peculiar to vessel belongs to extraordinary water pump, is using diesel engine as power, with the water surface by ship string
For water source point, in case of emergency the important tool for being used to put out a fire, is the important fire-fighting equipment of ship.It is widely used on ship at present
Be structure that centrifugal pump adds vacuum water diversion to pump, this structure has the disadvantage that firstly, centrifugal pump itself is without suction capacity,
Vacuum pump diversion must be relied on when starting just can work normally after being full of water in its pump housing, the reliability and behaviour to vacuum pump
The dexterity for making personnel has higher requirements, though vacuum pumping function normally and operator relatively skillfully in the case where, from opening
Water outlet is moved at least to be also required to more than 20 seconds, if in the case that vacuum pump performance is bad or operator is less skilled, when water outlet
Between can be longer or even cannot be discharged in time；Secondly, if pump is during operation because rocking for ship is easy with Lidar Equation
It causes fire-fighting mouth piece interruption to be emptied and can not work normally, causes to extend the time from water outlet is started to, working efficiency
It is low；Moreover, because centrifugal pump job specification, easily causes impeller inlet that cavitation phenomenons occur after suction pressure is too low, generate strong
Vibration and noise, or even cannot normally absorb water, and cavitation phenomenons easily cause centrifugal pump impeller earlier period damage frequent occurrence, therefore
Centrifugal pump must reserve net positive suction head, to cause to inhale height not enough, can only averagely inhale 5 meters, its field of employment is caused to have very overall situation
It is sex-limited, the same working efficiency for influencing water pump；Simultaneously as traditional fire pump peculiar to vessel include centrifugal pump and vacuum pump and
Connected piping and valve, fault point is more, any one place, which is gone wrong, can all cause pump that cannot normally be discharged, to influence
Ship emergency fire-fighting.
Therefore, how to provide a kind of raising working efficiency and the simple marine diesel emergency fire pump of structure is ability
The problem of field technique personnel's urgent need to resolve.
Summary of the invention
In view of this, mainly driving volume using diesel engine the present invention provides a kind of marine diesel emergency fire pump
For formula pump configuration as emergency fire pump peculiar to vessel, structure is simple, and the ability with high suction depth and strong self-priming, improves work of the invention
Make efficiency.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of marine diesel emergency fire pump, including pedestal, diesel engine, shaft coupling and sliding-vane pump；The diesel engine and
The sliding-vane pump is sequentially connected by the shaft coupling, and the diesel engine and the sliding-vane pump are each attached on the pedestal；
The present invention pays creative labor and combines the diesel engine and the sliding-vane pump, is not only simple in structure, and
And since the sliding-vane pump belongs to positive displacement pump, so making the present invention be provided with the ability of high suction depth and strong self-priming, and between
Break after being emptied, the air in suction line can be excluded automatically by the suction capacity of its own, it is automatic to restore normal water outlet, it is not necessarily to
Artificial interference, especially suitable for the general centrifugal emergency fire pumps such as the biggish ship of the higher vertical roll amplitude of freeboard and naval vessels without
The place that method uses.
Preferably, the sliding-vane pump includes the pump housing, and the diesel engine and the pump housing are each attached on the pedestal；
First bearing chamber and rotor chamber, and the first bearing chamber and described turn are respectively arranged with along axial direction in the pump housing
The first mechanical seal structure is equipped between sub- chamber；
First bearing is installed on the inner wall of the first bearing chamber；
The top two sides of the rotor chamber offer inlet and outlet respectively, and it is eccentric fixed to be provided in the rotor chamber
Son and rotor, the wheel rim of the eccentric stator are fixed on the inner wall of the rotor chamber, and the rotor setting is described eccentric fixed
In the eccentric chamber of son；
End face center of the rotor close to described shaft coupling one end is respectively and fixedly provided with transmission pump shaft, and the transmission pump shaft is successively
Across the rotor chamber, first mechanical seal structure and the first bearing chamber, it is connected to the shaft coupling, and pass through institute
It states first bearing and the pump housing is rotatablely connected；
Two water distributions being connected to the eccentric chamber of the eccentric stator are arranged in uniform intervals on the ring wall of the eccentric stator
Hole, a distributing hole are connected to the water inlet, another described distributing hole is connected to the water outlet；
It is evenly arranged with multiple sliding vane grooves in the rotor sidewall, it is sliding that graphite is sliding combined in each sliding vane groove
Piece.
The water inlet of the invention and the water outlet are arranged at the top of the pump housing, in the pump housing after guarantee termination of pumping
Memory is had a surplus water, and starting next time self-priming exhaust is on the one hand conducive to, and is on the other hand avoided dry to blade during water outlet after pump startup
Mill；And slide plate uses graphite, makes full use of the self-lubrication of graphite, ensure that the lubrication between slide plate and rotor, overcome
Slide sheet type pumps defect easy to wear of fetching water, and ensure that the service life of pump；
Meanwhile the present invention is provided with the first mechanical seal between the first bearing chamber and the rotor chamber, it is ensured that institute
It states to pump intracorporal water and will not leak into and reduces the probability that the present invention breaks down to the first bearing chamber.
Preferably, it is additionally provided with second bearing chamber along axial direction in the pump housing, and is equipped in the second bearing chamber
Two bearings；
The second mechanical seal structure is equipped between the second bearing chamber and the rotor chamber；
End face center of the rotor away from described shaft coupling one end is respectively and fixedly provided with installation pump shaft, and the installation pump shaft is successively
Across the rotor chamber, second mechanical seal structure and the second bearing chamber, and by the second bearing with it is described
Pump housing rotation connection.
The present invention is mounted on the end face center of the rotor away from described shaft coupling one end by the installation pump shaft, makes
The installation pump shaft cooperates jointly with the transmission pump shaft, to improve the support force to the rotor, and makes the rotor
Uniform force, to improve the service life of the rotor；
Meanwhile the present invention is equipped with the second mechanical seal structure between the second bearing chamber and the rotor chamber, it is ensured that
The intracorporal water of pump, which will not be leak into, reduces the probability that the present invention breaks down to the second bearing chamber.
Preferably, wearing plate is further fixed on the inner wall of the rotor chamber, the wearing plate is built up in the rotor and institute
The two side ends face of eccentric stator is stated, and the transmission pump shaft sequentially passes through the wearing plate, the rotor chamber, first machine
Tool sealing structure and the first bearing chamber are connected to the shaft coupling, and are connected by the first bearing and pump housing rotation
It connects；Meanwhile the installation pump shaft sequentially passes through the wearing plate, the rotor chamber, second mechanical seal structure and described
Second bearing chamber, and be rotatablely connected by the second bearing and the pump housing.
The present invention is by being respectively set the wearing plate in the two ends of rotor, it is ensured that the end clearance of the two ends of rotor
Normally, the probability for reducing failure improves reliability of the invention；
Preferably, the first drain hole and the second drain hole are offered on the pump housing, and first drain hole is located at institute
It states between the first mechanical seal structure and the first bearing chamber；Second drain hole is located at second mechanical seal structure
Between the second bearing chamber, the present invention passes through first drain hole and second drain hole, in order to be able in time
It was found that the case where leak.
Preferably, it is preferred that be provided with bearing cap on the cavity of the first bearing chamber and the second bearing chamber, institute
State the outside that bearing cap is separately positioned on the first bearing and the second bearing, and the top setting of each bearing cap
There is grease nipple, so that the present invention is convenient for guaranteeing the first bearing and second axis by the grease nipple grease up
The load and reliability held.
Preferably, first mechanical seal structure and second mechanical seal structure include ring seal part, move
Ring, stationary ring sealing element and stationary ring, the ring seal part are closely encircled respectively on the transmission pump shaft and the installation pump shaft,
And it is connected with a coil spring, the rotating ring is pressed on the stationary ring by the ring seal part by the spring, and described
The smooth cooperation of mating surface of rotating ring and the stationary ring, the stationary ring are pressed on the interior of the pump housing by the stationary ring sealing element
On wall.
To the rotating ring and stationary ring cooperation precision in the mechanical seal structure of the invention, make the rotating ring
Mating surface between the stationary ring only penetrates into few medium and guarantees lubrication, and almost No leakage, ensure that tool of the present invention
There is fabulous leakproofness.
Preferably, the opening of the water inlet and the water outlet vertically upward, improves and pumps intracorporal water-holding capacity, thus
Enhance the performance of suction capacity and resistance to dry grinding of the invention, reduces the probability that the present invention breaks down, greatly strengthen the present invention
Reliability and the service life, be improved particularly the service life of blade.
Preferably, the pedestal includes fixed pedestal and movable base, to improve application places of the invention.
Preferably, the pump housing, the eccentric stator, the rotor and the wearing plate are all made of SUS316L stainless steel,
To which the present invention has stronger corrosion resistance using SUS316L stainless steel.
Preferably, the pump housing, the eccentric stator, the rotor and the wearing plate are all made of titanium matter.To this
Invention not only has stronger corrosion resistance, while can reduce weight of the invention, just and to transport of the invention.
Preferably, the diesel engine is connected with the slide plate pump direct drive, is reduced structure size of the invention, is made this hair
Bright structure is more compact.
Preferably, the diesel engine includes electrically activating mode and hand pull starting-up mode, it is ensured that starting is reliable rapid.
Preferably, the bearing includes roller bearing, improves the stability of the pump shaft rotation.
Preferably, the shaft coupling includes yielding coupling, so that the present invention passes through the shaft coupling for diesel engine and institute
Sliding-vane pump transmission connection is stated, transmission efficiency is improved.
Preferably, the yielding coupling includes diesel engine interconnecting piece, pump shaft interconnecting piece and elastic element, the diesel engine
Interconnecting piece is fixedly connected with the pump shaft interconnecting piece, and the elastic element is fixed on the diesel engine interconnecting piece and the pump shaft
Inside between interconnecting piece.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides a kind of marine diesels
Following technical effect may be implemented in emergency fire pump:
1. the present invention pays creative labor and combines diesel engine and sliding-vane pump, it is not only simple in structure, and due to
Sliding-vane pump belongs to positive displacement pump, so so that the present invention is provided with the ability of high suction depth and strong self-priming, and after interruption is emptied, according to
Suction capacity by its own can exclude the air in suction line automatically, automatic to restore normal water outlet, be not necessarily to artificial interference, special
It Shi Yongyu not the field that is not available of the general centrifugal emergency fire pump such as the biggish ship of the higher vertical roll amplitude of freeboard and naval vessels
Institute；
2. inlet and outlet of the invention are arranged at the top of the pump housing, have a surplus after guaranteeing termination of pumping in pump housing memory
On the one hand water is conducive to starting next time self-priming exhaust, dry grind after on the other hand avoiding pump startup to blade during water outlet；
3. present invention design between bearing bore and rotor chamber has mechanical seal, it is ensured that pumping intracorporal water will not leak into axis
Chamber is held, the probability that the present invention breaks down is reduced；And slide plate uses graphite, makes full use of the self-lubrication of graphite, guarantees
Lubrication between slide plate and rotor and wear-resistant sleeve and wearing plate overcomes slide sheet type pump and fetches water defect easy to wear, guarantees
The service life of pump.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is a kind of front cross-sectional view of marine diesel emergency fire pump of the present invention；
Fig. 2 attached drawing is a kind of side sectional view of marine diesel emergency fire pump of the present invention；
Fig. 3 attached drawing is a kind of principle assumption diagram of marine diesel emergency fire pump of the present invention；
Fig. 4 attached drawing is a kind of sectional view of the mechanical seal structure of marine diesel emergency fire pump of the present invention.
Specific embodiment
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 description, 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.
The present invention provides a kind of marine diesel emergency fire pumps, mainly drive positive displacement pump structure to make using diesel engine
For emergency fire pump peculiar to vessel, structure is simple, and the ability with high suction depth and strong self-priming, improves working efficiency of the invention.
The embodiment of the invention discloses a kind of emergency fire pumps peculiar to vessel, including pedestal 1, diesel engine 2, shaft coupling 3 and slide plate
Pump；Diesel engine 2 and sliding-vane pump are sequentially connected by shaft coupling 3, and diesel engine 2 and sliding-vane pump are each attached on pedestal 1.
In order to further optimize the above technical scheme, sliding-vane pump includes the pump housing 41, and diesel engine 2 and the pump housing 41 are each attached to bottom
On seat 1；
It is respectively arranged with first bearing chamber and rotor chamber along axial direction in the pump housing 41, and is set between first bearing chamber and rotor chamber
There is the first mechanical seal structure 42；
First bearing 51 is installed on the inner wall of first bearing chamber；
The top two sides of rotor chamber offer water inlet 411 and water outlet 412 respectively, are provided with eccentric stator in rotor chamber
61 and rotor 62, the wheel rim of eccentric stator 61 be fixed on the inner wall of rotor chamber, the bias of eccentric stator 61 is arranged in rotor 62
In chamber；
End face center of the rotor 62 close to 3 one end of shaft coupling is respectively and fixedly provided with transmission pump shaft 621, and transmission pump shaft 621 is successively worn
Rotor chamber, the first mechanical seal structure 42 and first bearing chamber are crossed, is connected to shaft coupling 3, and pass through first bearing 51 and the pump housing
41 rotation connections；
Two distributing holes being connected to the eccentric chamber of eccentric stator 61 are arranged in uniform intervals on the ring wall of eccentric stator 61
612, a distributing hole 612 is connected to water inlet 411, another distributing hole 612 is connected to water outlet 412；
It is evenly arranged with multiple sliding vane grooves on 62 side wall of rotor, Graphite flotation 623 is sliding combined in each sliding vane groove.
In order to further optimize the above technical scheme, second bearing chamber, and the second axis are additionally provided with along axial direction in the pump housing 41
It holds and second bearing 511 is installed in chamber；
The second mechanical seal structure 43 is equipped between second bearing chamber and rotor chamber；
End face center of the rotor 62 away from shaft coupling one end is respectively and fixedly provided with installation pump shaft 622, and installation pump shaft 622 sequentially passes through
Rotor chamber, the second mechanical seal structure 43 and second bearing chamber, and be rotatablely connected by second bearing 511 and the pump housing 41.
In order to further optimize the above technical scheme, wearing plate 63 is further fixed on the inner wall of rotor chamber, wearing plate 63 is set
It stands in the two side ends of rotor 62 and eccentric stator 61 face, and is driven pump shaft 621 and sequentially passes through wearing plate 63, rotor chamber, first
Mechanical seal structure 42 and first bearing chamber are connected to shaft coupling 3, and are rotatablely connected by first bearing 51 and the pump housing 41；Together
When, installation pump shaft 622 sequentially passes through wearing plate 63, rotor chamber, the second mechanical seal structure 43 and second bearing chamber, and passes through the
Two bearings 511 are rotatablely connected with the pump housing 41.
In order to further optimize the above technical scheme, the first drain hole 412 and the second drain hole are offered on the pump housing 41
413, and the first drain hole 412 is between the first mechanical seal structure 42 and first bearing chamber；Second drain hole 413 is located at the
Between two mechanical seal structures 43 and second bearing chamber.
In order to further optimize the above technical scheme, bearing is provided on the cavity of first bearing chamber and second bearing chamber
Lid, bearing cap is separately positioned on the outside of first bearing 51 and second bearing 511, and the top of each bearing cap is provided with butter
Mouth 52.
In order to further optimize the above technical scheme, the first mechanical seal structure 42 and the second mechanical seal structure 43 wrap
Ring seal part 421, rotating ring 422, stationary ring sealing element 423 and stationary ring 424 are included, ring seal part 421 is closely encircled passing respectively
On dynamic pump shaft 621 and installation pump shaft 622, and it is connected with a coil spring, ring seal part 421 is compressed rotating ring 422 by spring
On stationary ring 424, and the smooth cooperation of mating surface of rotating ring 422 and stationary ring 424, stationary ring 424 are compressed by stationary ring sealing element 423
On the inner wall of the pump housing 41.
In order to further optimize the above technical scheme, the opening of water inlet 411 and water outlet 412 is vertically upward.
In order to further optimize the above technical scheme, the pump housing 41, eccentric stator 61, rotor 62 and wearing plate 63 are all made of
SUS316L stainless steel or titanium matter.
In order to further optimize the above technical scheme, diesel engine 2 is connected with slide plate pump direct drive.
In order to further optimize the above technical scheme, pedestal 1 includes fixed pedestal and movable base.
In order to further optimize the above technical scheme, diesel engine 2 includes electrically activating mode and hand pull starting-up mode.
In order to further optimize the above technical scheme, bearing 51 includes roller bearing.
In order to further optimize the above technical scheme, shaft coupling 3 includes yielding coupling.
In order to further optimize the above technical scheme, yielding coupling includes diesel engine interconnecting piece 31, pump shaft interconnecting piece 32
With elastic element 33, diesel engine interconnecting piece 31 is fixedly connected with pump shaft interconnecting piece 32, and elastic element 33 is fixed on diesel engine company
Inside between socket part 31 and pump shaft interconnecting piece 32.
Embodiment:
As shown in Figure 1-3, structure of the invention is as follows:
A kind of emergency fire pump peculiar to vessel, including pedestal 1, diesel engine 2, shaft coupling 3 and sliding-vane pump；Diesel engine 2 and sliding-vane pump
It is sequentially connected by shaft coupling 3, and diesel engine 2 and sliding-vane pump are each attached on pedestal 1.
Wherein, sliding-vane pump includes the pump housing 41, and diesel engine 2 and the pump housing 41 are each attached on pedestal 1；
It is respectively arranged with first bearing chamber and rotor chamber along axial direction in the pump housing 41, and is set between first bearing chamber and rotor chamber
There is the first mechanical seal structure 42；
First bearing 51 is installed on the inner wall of first bearing chamber；
The top two sides of rotor chamber offer water inlet 411 and water outlet 412 respectively, are provided with eccentric stator in rotor chamber
61 and rotor 62, the wheel rim of eccentric stator 61 be fixed on the inner wall of rotor chamber, the bias of eccentric stator 61 is arranged in rotor 62
In chamber；
End face center of the rotor 62 close to 3 one end of shaft coupling is respectively and fixedly provided with transmission pump shaft 621, and transmission pump shaft 621 is successively worn
Rotor chamber, the first mechanical seal structure 42 and first bearing chamber are crossed, is connected to shaft coupling 3, and pass through first bearing 51 and the pump housing
41 rotation connections；
Two distributing holes being connected to the eccentric chamber of eccentric stator 61 are arranged in uniform intervals on the ring wall of eccentric stator 61
612, a distributing hole 612 is connected to water inlet 411, another distributing hole 612 is connected to water outlet 412；
It is evenly arranged with multiple sliding vane grooves on 62 side wall of rotor, Graphite flotation 623 is sliding combined in each sliding vane groove.
Also, it is additionally provided with second bearing chamber along axial direction in the pump housing 41, and second bearing is installed in second bearing chamber
511；
The second mechanical seal structure 43 is equipped between second bearing chamber and rotor chamber；
End face center of the rotor 62 away from shaft coupling one end is respectively and fixedly provided with installation pump shaft 622, and installation pump shaft 622 sequentially passes through
Rotor chamber, the second mechanical seal structure 43 and second bearing chamber, and be rotatablely connected by second bearing 511 and the pump housing 41；
Wearing plate 63 is further fixed on the inner wall of rotor chamber, wearing plate 63 is built up in the two sides of rotor 62 and eccentric stator 61
End face portion, and be driven pump shaft 621 and sequentially pass through wearing plate 63, rotor chamber, the first mechanical seal structure 42 and first bearing chamber company
It is connected to shaft coupling 3, and is rotatablely connected by first bearing 51 and the pump housing 41；Meanwhile pump shaft 622 being installed and sequentially passes through wearing plate
63, rotor chamber, the second mechanical seal structure 43 and second bearing chamber, and be rotatablely connected by second bearing 511 and the pump housing 41；
The first drain hole 412 and the second drain hole 413 are offered on the pump housing 41, and the first drain hole 412 is located at the first machine
Between tool sealing structure 42 and first bearing chamber；Second drain hole 413 is located at the second mechanical seal structure 43 and second bearing chamber
Between；
It is provided with bearing cap on the cavity of first bearing chamber and second bearing chamber, bearing cap is separately positioned on first bearing
51 and second bearing 511 outside, and the top of each bearing cap is provided with grease nipple 52.
As shown in figure 4, mechanical seal structure of the invention is as follows:
First mechanical seal structure 42 and the second mechanical seal structure 43 include ring seal part 421, rotating ring 422, quiet
Annular seal 423 and stationary ring 424, ring seal part 421 are closely encircled respectively on transmission pump shaft 621 and installation pump shaft 622, and
It is connected with a coil spring, rotating ring 422 is pressed on stationary ring 424 by ring seal part 421 by spring, and rotating ring 422 and stationary ring
The smooth cooperation of 424 mating surface, stationary ring 424 are pressed on the inner wall of the pump housing 41 by stationary ring sealing element 423.
As shown in figure 3, working principle of the present invention is as follows:
When rotor 62 rotates counterclockwise, due to the effect of centrifugal force, Graphite flotation 623 is tightly attached in eccentric stator 61
Wall, shape relative closure between every adjacent two panels Graphite flotation 623 and the wearing plate 63 of eccentric stator 61, rotor 62 and two sides
Separate space, this spatial volume become larger in the first half portion (direction with 411 side of water inlet) of pump from zero, pass through bias
The distributing hole 612 that is connected on stator 61 with water inlet 411 absorbs water, this spatial volume pump the second half portion (with water inlet 411 1
The direction of side) from maximum zero is gradually become, it is drained by the distributing hole 612 being connected in eccentric stator 61 with water outlet 412, so
It moves in circles, so that discharging water movement is generated, to make the present invention be provided with the ability of high suction depth and strong self-priming, by practical inspection
It surveys, marine diesel emergency fire pump actual measurement of the invention is inhaled high up to 8~9 meters.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of emergency fire pump peculiar to vessel, which is characterized in that including pedestal (1), diesel engine (2), shaft coupling (3) and sliding-vane pump；
The diesel engine (2) and the sliding-vane pump are sequentially connected by the shaft coupling (3), and the diesel engine (2) and the slide plate
Pump is each attached on the pedestal (1).
2. a kind of marine diesel emergency fire pump according to claim 1, which is characterized in that the sliding-vane pump includes pump
Body (41), the diesel engine (2) and the pump housing (41) are each attached on the pedestal (1)；
First bearing chamber and rotor chamber, and the first bearing chamber and described turn are respectively arranged with along axial direction in the pump housing (41)
The first mechanical seal structure (42) are equipped between sub- chamber；
First bearing (51) are installed on the inner wall of the first bearing chamber；
The top two sides of the rotor chamber offer water inlet (411) and water outlet (412) respectively, are provided in the rotor chamber
The wheel rim of eccentric stator (61) and rotor (62), the eccentric stator (61) is fixed on the inner wall of the rotor chamber, and described turn
Sub (62) are arranged in the eccentric chamber of the eccentric stator (61)；
End face center of the rotor (62) close to the shaft coupling (3) one end is respectively and fixedly provided with transmission pump shaft (621), the transmission
Pump shaft (621) sequentially passes through the rotor chamber, first mechanical seal structure (42) and the first bearing chamber, is connected to institute
It states shaft coupling (3), and is rotatablely connected by the first bearing (51) and the pump housing (41)；
Uniform intervals setting two is connected to the eccentric chamber of the eccentric stator (61) on the ring wall of the eccentric stator (61)
Distributing hole (612), a distributing hole (612) are connected to the water inlet (411), another described distributing hole (612) with
Water outlet (412) connection；
Multiple sliding vane grooves are evenly arranged on rotor (62) side wall, are sliding combined with Graphite flotation in each sliding vane groove
(623)。
3. a kind of marine diesel emergency fire pump according to claim 2, which is characterized in that edge in the pump housing (41)
It axially is additionally provided with second bearing chamber, and second bearing (511) are installed in the second bearing chamber；
The second mechanical seal structure (43) are equipped between the second bearing chamber and the rotor chamber；
End face center of the rotor (62) away from described shaft coupling one end is respectively and fixedly provided with installation pump shaft (622), the installation pump
Axis (622) sequentially passes through the rotor chamber, second mechanical seal structure (43) and the second bearing chamber, and by described
Second bearing (511) and the pump housing (41) are rotatablely connected.
4. a kind of marine diesel emergency fire pump according to claim 3, which is characterized in that the inner wall of the rotor chamber
On be further fixed on wearing plate (63), the wearing plate (63) is built up in the two sides of the rotor (62) and the eccentric stator (61)
End face portion, and the transmission pump shaft (621) sequentially passes through the wearing plate (63), the rotor chamber, first mechanical seal
Structure (42) and the first bearing chamber are connected to the shaft coupling (3), and pass through the first bearing (51) and the pump housing
(41) it is rotatablely connected；Meanwhile the installation pump shaft (622) sequentially passes through the wearing plate (63), the rotor chamber, described second
Mechanical seal structure (43) and the second bearing chamber, and connected by the second bearing (511) and the pump housing (41) rotation
It connects.
5. a kind of marine diesel emergency fire pump according to claim 3, which is characterized in that opened on the pump housing (41)
Equipped with the first drain hole (412) and the second drain hole (413), and first drain hole (412) is mechanical close positioned at described first
Between seal structure (42) and the first bearing chamber；Second drain hole (413) is located at second mechanical seal structure
(43) between the second bearing chamber.
6. a kind of marine diesel emergency fire pump according to claim 3, which is characterized in that the first bearing chamber and
Bearing cap is provided on the cavity of the second bearing chamber, the bearing cap is separately positioned on the first bearing (51) and institute
The outside of second bearing (511) is stated, and the top of each bearing cap is provided with grease nipple (52).
7. a kind of marine diesel emergency fire pump according to claim 3, which is characterized in that first mechanical seal
Structure (42) and second mechanical seal structure (43) include ring seal part (421), rotating ring (422), stationary ring sealing element
(423) it is closely encircled respectively with stationary ring (424), the ring seal part (421) in the transmission pump shaft (621) and the installation
On pump shaft (622), and it is connected with a coil spring, the ring seal part (421) is pressed the rotating ring (422) by the spring
Tightly on the stationary ring (424), and the smooth cooperation of mating surface of the rotating ring (422) and the stationary ring (424), the stationary ring
(424) it is pressed on the inner wall of the pump housing (41) by the stationary ring sealing element (423).
8. a kind of marine diesel emergency fire pump according to claim 2, which is characterized in that the water inlet (411)
Vertically upward with the opening of the water outlet (412).
9. a kind of marine diesel emergency fire pump according to claim 2, which is characterized in that the pump housing (41), institute
It states eccentric stator (61), the rotor (62) and the wearing plate (63) and is all made of SUS316L stainless steel or titanium matter.
10. a kind of marine diesel emergency fire pump according to claim 1, which is characterized in that the diesel engine (2) and
The slide plate pump direct drive connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910525687.3A CN110242565A (en) | 2019-06-18 | 2019-06-18 | A kind of marine diesel emergency fire pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910525687.3A CN110242565A (en) | 2019-06-18 | 2019-06-18 | A kind of marine diesel emergency fire pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110242565A true CN110242565A (en) | 2019-09-17 |
Family
ID=67887789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910525687.3A Pending CN110242565A (en) | 2019-06-18 | 2019-06-18 | A kind of marine diesel emergency fire pump |
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| Country | Link |
|---|---|
| CN (1) | CN110242565A (en) |
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| CN109882407A (en) * | 2019-04-24 | 2019-06-14 | 辽宁恒星泵业有限公司 | A kind of sliding-vane pump |
| CN210565062U (en) * | 2019-06-18 | 2020-05-19 | 江苏德华泵业有限公司 | Emergency fire pump of marine diesel engine |
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|---|---|---|---|---|
| CN2408268Y (en) * | 1999-03-11 | 2000-11-29 | 陈茂庆 | Sliding vane self suction pump |
| EP2206924A2 (en) * | 2009-01-13 | 2010-07-14 | Mahle International GmbH | Cell pump with adjustable displacement with pivotable cam ring |
| CN201496264U (en) * | 2009-07-31 | 2010-06-02 | 温州奥力康泵业有限公司 | Energy-saving micro high-pressure pump |
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