CN105464991B - Long-life is resistance to dry to turn impeller pump - Google Patents
Long-life is resistance to dry to turn impeller pump Download PDFInfo
- Publication number
- CN105464991B CN105464991B CN201610016103.6A CN201610016103A CN105464991B CN 105464991 B CN105464991 B CN 105464991B CN 201610016103 A CN201610016103 A CN 201610016103A CN 105464991 B CN105464991 B CN 105464991B
- Authority
- CN
- China
- Prior art keywords
- wearing plate
- cavity
- pump
- wall
- pump housing
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/042—Heating; Cooling; Heat insulation by injecting a fluid
-
- 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
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/801—Wear plates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
Resistance to dry turn impeller pump the invention discloses a kind of long-life, including the pump housing and pump cover, two rotors are set in the pump housing, two rotors are driven by upper rotating shaft and lower rotary shaft respectively, pump housing rear end sets fuel tank cap, the pump housing and fuel tank cap close up to form oil pocket, rear wearing plate is set in the pump housing, preceding wearing plate is set in pump cover, the first cavity is set in preceding wearing plate and rear wearing plate, oil-feed runner and outer fuel-displaced runner are set in first cavity of preceding wearing plate, afterwards interior fuel-displaced runner is set in the first cavity of wearing plate, the ring inwall of the pump housing sets wearing plate and lower wearing plate, the upper inlet opening of the second cavity connection of upper wearing plate, the lower inlet opening of the second cavity connection of lower wearing plate, passage is set in upper rotating shaft, passage connects oil pocket and two the first cavitys.The long-life resistance to dry impeller pump that turns of the present invention overcomes the technical limitation that conventional rotors pump forbids de- liquid air to turn, and service life significantly extends, and the labor intensity of operative employee is mitigated.
Description
Technical field
The present invention relates to rotor pump technical field, resistance to dry impeller pump is turned more particularly, to a kind of long-life.
Background technology
Impeller pump is also known as colloid pump, lobe pump, three blade pump, general-purpose delivery pump etc., and impeller pump belongs to displacement pump.It is by
It is converted in the periodicity of multiple fixed volumes conveying unit in working chamber and reaches the purpose of trandfer fluid.Rotor is that pump is used for
The critical component of trandfer fluid, rotor rotation and the pump housing and pump cover frictional heat, the full dynamic fluid conveyed by rotor is these
Heat is taken away, once fluid is drained or do not connect, if operative employee does not realize, shuts down, has more than is needed a few minutes not in time,
Heat is taken away due to having lacked working fluid, and a lot of parts such as sealing device, rotor can all be burnt out by the heat of friction accumulation, pump
It must repair or change, this phenomenon is particularly problematic in the chemical plant that can not be interrupted, operative employee needs the moment to monitor taking out for pump
Suction state, relief rotation will be had by connecting lavatory, very inconvenient, need to improve.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art there is provided a kind of long-life it is resistance to it is dry turn impeller pump, gram
The technical limitation that conventional rotors pump forbids de- liquid air to turn is taken, service life significantly extends, and the labor intensity of operative employee is obtained
To mitigate, make user on the premise of equal input, it is ensured that the stability of production, reduce the continuous input and equipment of pump class
Turnover rate.
To reach above-mentioned purpose, the technical scheme is that：Long-life it is resistance to it is dry turn impeller pump, including connected by fastener
The pump housing and pump cover connect, provided with two rotors for coordinating distribution up and down in the pump housing, two rotors respectively by upper rotating shaft and
Lower rotary shaft drives, and the pump housing both sides are respectively equipped with charging aperture and discharging opening, and the pump housing rear end is provided with fuel tank cap, the pump housing and oil
Case lid closes up the oil pocket to form built-in lubricating oil, and pump body rear end is provided with the rear wearing plate of the 8-shaped supporting with its inwall, institute
The preceding wearing plate that the 8-shaped supporting with its inwall is provided with pump cover is stated, the inside of the preceding wearing plate and rear wearing plate is equipped with
Preceding wearing plate and rear wearing plate are respectively formed the thickness phase of antetheca and rear wall, antetheca and rear wall by the first cavity, first cavity
Ratio Deng, the thickness of the thickness of antetheca and the first cavity is 2:3~1:1, in first cavity close to preceding wearing plate and after
The top and the bottom center that the edge of wearing plate is provided with multiple first support columns, first cavity positioned at preceding wearing plate is all provided with
There is the first support column, the first support column two ends connect the front and rear wall of preceding wearing plate and the front and rear wall of rear wearing plate, institute respectively
State and the through hole run through is equipped with preceding wearing plate and rear wearing plate, the through hole is passed through to be worn in the center of the first support column, through hole
If preceding wearing plate and rear wearing plate are separately fixed on pump cover and the pump housing by the first screw, at the central upper portion of the preceding wearing plate
The first screw periphery be provided with through preceding wearing plate rear wall and corresponding first support column oil-feed runner, the oil-feed runner
Outlet on the outer wall of corresponding first support column, the first cavity top of the preceding wearing plate is provided with through the outer of pump cover
First cavity of wearing plate, the first cavity upper back of the rear wearing plate before fuel-displaced runner, the outer fuel-displaced flow passage
Provided with the fuel-displaced runner in pump housing rear wall and rear wearing plate rear wall, the first of wearing plate is empty after the interior fuel-displaced flow passage
Chamber, the upper wearing plate and lower wearing plate of arc of the ring inwall provided with distribution symmetrical above and below of the pump housing are described wear-resisting
The inside of plate and lower wearing plate is provided with the second cavity, and upper wearing plate and lower wearing plate are respectively formed upper wall with by second cavity
The thickness of wall, upper wall and lower wall is equal, and the ratio of the thickness of the thickness of upper wall and the second cavity is 2:3~1:1, described second is empty
Intracavitary is provided with the second support column of the upper lower wall of the upper lower wall for being connected to wearing plate and lower wearing plate, and the upper wearing plate is with
Run through on wearing plate provided with the second screw for being fixed in pump housing inwall, second screw is passed through in the second support column
The heart, the upper end center of the lower wall of the upper wearing plate is communicated with the upper inlet opening of its second cavity, the lower wearing plate it is upper
The two ends of wall are communicated with the lower inlet opening of its second cavity, the upper rotating shaft being provided with passage, and the passage is provided with one
Feeder connection and two channel outlets, the feeder connection are located on the outer wall of the upper rotating shaft in oil pocket, a channel outlet position
In on the outer wall of the upper rotating shaft in the first cavity of rear wearing plate, another channel outlet is located at upper rotating shaft close to preceding wearing plate side
End center, oil pump is provided with the oil pocket, the oil pump is provided with two oil inlet pipes and a flowline, an oil-feed
In the first cavity that pipe stretches into rear wearing plate through interior fuel-displaced runner, another oil inlet pipe penetrates outer fuel-displaced runner from outside and stretched into
In first cavity of preceding wearing plate, two oil inlet pipes converge in oil pocket.
The top and the bottom center of the rear wearing plate is provided with the axis hole passed through for upper rotating shaft and lower rotary shaft.
Lip seal circle is arranged in upper rotating shaft and lower rotary shaft on front side of the axis hole, the lip seal circle is provided with three
The sealing lip being interference fitted with the antetheca of rear wearing plate.
Card on rear side of axle sleeve, the axle sleeve is arranged in upper rotating shaft and lower rotary shaft on rear side of the axis hole and sets rotating ring, the rotating ring
Rear end, which is abutted, stationary ring, and the stationary ring rear end, which is abutted, spring, and stationary ring and spring upper and lower sides pass through seal receptacle and pressing plate pressure respectively
Connect, compressed on rear side of the seal receptacle and pressing plate by gland.
The fuel tank cover outer wall ring is provided with fin.
Rubber cushion is provided between the preceding wearing plate outer rim and pump cover inwall, between the rear wearing plate outer rim and pump housing inwall
Provided with rubber cushion.
The beneficial effects of the invention are as follows：Upper wearing plate and lower wearing plate can be in the second cavity memory storage pump operations of itself
In the fluid that brings, strengthen the cooling effect circumferential to rotor periphery, oil in the short time when fluid is drained or do not connect
The lubricating oil of intracavitary enters from feeder connection, and the rear wearing plate of preceding wearing plate sum is separately flowed into along passage from two channel outlets
The first cavity in, strengthen the cooling effect to the both ends of the surface of rotor when fluid is drained or do not connect, can accomplish to turning
The omnibearing protection of son, the pump housing and pump cover, the setting of oil pump strengthens the speed changed oil, further improves cooling effect.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the enlarged drawing at A in Fig. 1；
Fig. 3 is the enlarged drawing at B in Fig. 1；
Fig. 4 is the partial side view of the pump housing of the present invention；
Fig. 5 is the enlarged drawing at C in Fig. 4；
Fig. 6 is the partial side view of the pump cover of the present invention；
Fig. 7 is the side view of the rear wearing plate of the present invention.
In figure：The pump housing 1, charging aperture 11, discharging opening 12, pump cover 2, rubber cushion 21, rotor 3, upper rotating shaft 4, lower rotary shaft 41, passage
42nd, feeder connection 43, channel outlet 44, lip seal circle 45, axle sleeve 46, rotating ring 47, preceding wearing plate 5, the first cavity 51, first
Support column 52, the first screw 53, oil-feed runner 54, outer fuel-displaced runner 55, rear wearing plate 56, axis hole 57, interior fuel-displaced runner 58, oil
Case lid 6, oil pocket 61, fin 62, oil pump 63, upper wearing plate 7, the second cavity 71, the second support column 72, the second screw 73, on
Inlet opening 74, lower wearing plate 75, lower inlet opening 76, stationary ring 8, seal receptacle 81, spring 82, pressing plate 83, gland 84.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
As shown in Fig. 1~Fig. 7, the long-life it is resistance to it is dry turn impeller pump, including the pump housing 1 and pump cover 2 connected by fastener, tightly
Firmware is located at provided with two rotors 3 for coordinating distribution up and down in both peripheries, the pump housing 1, and two rotors 3 are respectively by upper
Rotating shaft 4 and lower rotary shaft 41 drive, and upper rotating shaft 4 and lower rotary shaft 41 link and cause two rotors 3 coordinate to rotate.The both sides of the pump housing 1
Charging aperture 11 and discharging opening 12 are respectively equipped with, is low-pressure area at charging aperture 11, is higher-pressure region at discharging opening 12.
The rear end of the pump housing 1 is provided with fuel tank cap 6, and the pump housing 1 and fuel tank cap 6 close up the oil pocket 61 to form built-in lubricating oil, profit
Lubricating oil can play the lubrication to upper rotating shaft 4 and lower rotary shaft 41, while thermolysis can be played again, the Internal back end of the pump housing 1
It is provided with rear wearing plate 56 provided with the 8-shaped supporting with its inwall, the pump cover 2 resistance to before the 8-shaped supporting with its inwall
Nog plate 5, is provided with rubber cushion 21, the rear outer rim of wearing plate 56 and the pump housing 1 between the preceding outer rim of wearing plate 5 and the inwall of pump cover 2
Rubber cushion 21 is provided between wall, rubber cushion 21 can prevent the fluid conveyed from being leaked from gap, the end face of rotor 3 can be buffered again with before
Circumferential active force when wearing plate 5 or rear wearing plate 56 rub.
The inside of the preceding wearing plate 5 and rear wearing plate 56 is equipped with the first cavity 51, and first cavity 51 will be preceding resistance to
Nog plate 5 and rear wearing plate 56 are respectively formed antetheca and rear wall, and the thickness of antetheca and rear wall is equal, i.e. the first cavity 51 is located at interposition
Put, the ratio of the thickness of the thickness of antetheca and the first cavity 51 is 2:3~1:1, the thickness ratio causes the first sky of the present invention
Chamber 51 can accommodate the more lubricating oil for playing cooling effect, in turn ensure that the structural strength of preceding wearing plate 5 and rear wearing plate 56,
It is not to damage in the friction process with the end face of rotor 3.
In first cavity 51 multiple first support columns are provided with close to the edge of preceding wearing plate 5 and rear wearing plate 56
52, the interior top and the bottom center positioned at preceding wearing plate 5 of first cavity 51 is equipped with the first support column 52, first support
The two ends of post 52 connect the front and rear wall of preceding wearing plate 5 and the front and rear wall of rear wearing plate 56 respectively, and multiple distributions of first support column 52 are closed
Reason, further enhances the structural strength of preceding wearing plate 5 and rear wearing plate 56.
The through hole run through is equipped with the preceding wearing plate 5 and rear wearing plate 56, the through hole passes through the first support column 52
Center, wear the first screw 53 in through hole and preceding wearing plate 5 and rear wearing plate 56 be separately fixed on pump cover 2 and the pump housing 1, i.e.,
The quantity of through hole and the quantity of the first support column 52 are equal and be correspondingly arranged, and through hole runs through antetheca, the first support column 52 and rear wall,
The first screw 53 on preceding wearing plate 5 is penetrated from its rear wall and the end of the first screw 53 is located in rear wall, i.e. the first screw 53
End do not expose rear wall, first on interference, rear wearing plate 56 will not be produced to the friction of preceding wearing plate 5 and the end of rotor 3
Screw 53 is penetrated from its antetheca and the end of the first screw 53 is located in antetheca, i.e. antetheca is not exposed in the end of the first screw 53,
Interference will not be produced to the friction of rear wearing plate 56 and the end of rotor 3, the first screw 53 is simultaneously through antetheca, the first support column 52
And rear wall, stress is good and uniform so that preceding wearing plate 5 and rear wearing plate 56 are fixed reliably, while being not take up in the first cavity 51
Lubricating oil space, the film-cooled heat of lubricating oil reaches maximization, the first screw 53 is arranged in the first support column 52, no
The leak point of lubricating oil can be increased, it is ensured that the sealing effectiveness of lubricating oil so that lubricating oil and the fluid conveyed will not be mixed in
Together.
The first screw 53 at the central upper portion of the preceding wearing plate 5 is peripheral provided with the rear wall for running through preceding wearing plate 5 and right
The oil-feed runner 54 for the first support column 52 answered, the outlet of the oil-feed runner 54 is located at the outer wall of corresponding first support column 52
On, i.e., the outlet of oil-feed runner 54 is in the first cavity 51 of preceding wearing plate 5, on the first cavity 51 of the preceding wearing plate 5
Portion is provided with the outer fuel-displaced runner 55 through pump cover 2, the first cavity 51 of wearing plate 5 before the outer fuel-displaced runner 55 is connected, and goes out
The rubber cushion 21 of oily runner 55 simultaneously also through the preceding outer rim of wearing plate 5.
The upper back of the first cavity 51 of the rear wearing plate 56 is provided with through the rear wall of the pump housing 1 and the rear wall of rear wearing plate 56
Interior fuel-displaced runner 58, the first cavity 51 of wearing plate 56 after the interior fuel-displaced runner 58 is connected, while so that rear wearing plate 56
First cavity 51 is connected with oil pocket 61.
The upper wearing plate 7 and lower wearing plate 75 of arc of the ring inwall of the pump housing 1 provided with distribution symmetrical above and below, institute
The inside for stating wearing plate 7 and lower wearing plate 75 is provided with the second cavity 71, second cavity 71 by upper wearing plate 7 and under it is wear-resisting
Plate 75 is respectively formed upper wall and lower wall, and the thickness of upper wall and lower wall is equal, the ratio of the thickness of the thickness of upper wall and the second cavity 71
For 2:3~1:1, the thickness ratio causes the second cavity 71 of the present invention to accommodate the more fluid conveyed, ensures again
The structural strength of upper wearing plate 7 and lower wearing plate 75, is not to damage in the friction process circumferential with the outer rim of rotor 3.
Second provided with the upper lower wall for being connected to wearing plate 7 and the upper lower wall of lower wearing plate 75 in second cavity 71
The quantity of second support column 72 of upper wearing plate 7 and lower wearing plate 75 in support column 72, the present invention is circumferential 6 rows, axial direction 3
OK, totally 18, run through provided with the second screw 73 for being fixed in the inwall of the pump housing 1 on the upper wearing plate 7 and lower wearing plate 75,
Second screw 73 passes through the center of the second support column 72, the i.e. quantity of the second screw 73 and the quantity phase of the second support column 72
Deng and be correspondingly arranged, the second screw 73 on upper wearing plate 7 from its lower wall penetrate and the second screw 73 end be located at lower wall in,
That is lower wall is not exposed in the end of the second screw 73, will not produce interference to upper wearing plate 7 and the circumferential friction of the outer rim of rotor 3, under
Wall is penetrated the second screw 73 on wearing plate 75 from it and the end of the second screw 73 is located in upper wall, i.e. the second screw 73
Upper wall is not exposed in end, will not produce interference to lower wearing plate 75 and the circumferential friction of the outer rim of rotor 3, the second screw 73 is passed through simultaneously
Wall, the second support column 72 and lower wall are put on, stress is good and uniform so that upper wearing plate 7 and lower wearing plate 75 are fixed reliably, simultaneously
The space for the fluid being not take up in the second cavity 71, the film-cooled heat of fluid reaches maximization, and the second screw 73 is arranged in second
In support column 72, the leakage point for the fluid being stored in the second cavity 71, good seal performance will not be increased.
The upper end center of the lower wall of the upper wearing plate 7 is communicated with the upper inlet opening 74 of its second cavity 71, it is described under
The two ends of the upper wall of wearing plate 75 are communicated with the lower inlet opening 76 of its second cavity 71, and lower inlet opening 76 is located at lower wearing plate 75
Upper wall close to apical position, with inlet opening 76 at present from outside to the second cavity 71 at can be arranged to tilt down, it is convenient
Fluid enters, and fluid is understood some during being conveyed by rotor 3 and respectively enterd from upper inlet opening 74 and lower inlet opening 76
Stored in second cavity 71 of upper wearing plate 7 and lower wearing plate 75, because upper inlet opening 74 is located at the position of the top, lower inlet opening
76 are located at the close apical position of lower wearing plate 75, therefore the fluid being stored will not be let out from upper inlet opening 74 and lower inlet opening 76
Spill, the cooling effect circumferential to the outer rim of rotor 3 can be strengthened in the short time when fluid is drained or do not connect.
Passage 42 is provided with the upper rotating shaft 4, the passage 42 is provided with a feeder connection 43 and two channel outlets
44, the feeder connection 43 is located on the outer wall of the upper rotating shaft 4 in oil pocket 61, i.e., feeder connection 43 is located in oil pocket 61, more
Body is that feeder connection 43 is submerged in lubricating oil, and a channel outlet 44 is located at upper in the first cavity 51 of rear wearing plate 56
On the outer wall of rotating shaft 4, another channel outlet 44 is located at upper rotating shaft 4 close to the end center of the preceding side of wearing plate 5, the oil pocket
Oil pump 63 is provided with 61, the oil pump 63 is provided with two oil inlet pipes and a flowline, and an oil inlet pipe passes through interior fuel-displaced stream
Road 58 is stretched into the first cavity 51 of rear wearing plate 56, and another oil inlet pipe penetrates wear-resisting before outer fuel-displaced runner 55 is stretched into from outside
In first cavity 51 of plate 5, two oil inlet pipes converge in oil pocket 61, and flowline is located in oil pocket 61, the outer wall of fuel tank cap 6
Ring is provided with fin 62.Lubricating oil in oil pocket 61 enters from feeder connection 43, and a part passes through middle channel outlet 44
Into in the first cavity 51 of rear wearing plate 56, another part is exited into after oil-feed runner 54 from channel outlet 44 foremost
Before being directly entered in the first cavity 51 of wearing plate 5 so that all stored in the first cavity 51 of preceding wearing plate 5 and rear wearing plate 56
Substantial amounts of lubricating oil, strengthens the cooling effect to the both ends of the surface of rotor 3 when fluid is drained or do not connect, and can accomplish pair
The omnibearing protection of rotor 3, the pump housing 1 and pump cover 2, oil pump 63 can be arranged to interval and open, and oil pump 63 is by preceding wearing plate 5 with after
Lubricating oil in first cavity 51 of wearing plate 56 sucks back oil pocket 61 so that the first cavity of preceding wearing plate 5 and rear wearing plate 56
Lubricating oil in pressure reduction in 51, oil pocket 61 continues to add to the first of preceding wearing plate 5 and rear wearing plate 56 from passage 42
In cavity 51, fin 62 can radiate to lubricating oil constantly, it is remained preferable cooling effect.
The top and the bottom center of the rear wearing plate 56 is provided with the axis hole 57 passed through for upper rotating shaft 4 and lower rotary shaft 41.The axle
Lip seal circle 45 is arranged in the upper rotating shaft 4 of the front side of hole 57 and lower rotary shaft 41, the lip seal circle 45 is provided with three with after
The sealing lip of the antetheca interference fit of wearing plate 56, the sealing lip of lip seal circle 45 is more soft, and frictional force is small, sealing effectiveness
It is good.
Axle sleeve 46 is arranged in the upper rotating shaft 4 of the rear side of axis hole 57 and lower rotary shaft 41, the rear side of axle sleeve 46 card sets rotating ring
47, the rear end of rotating ring 47, which is abutted, stationary ring 8, and the rear end of stationary ring 8, which is abutted, spring 82, stationary ring 8 and the upper and lower sides point of spring 82
Do not crimped by seal receptacle 81 and pressing plate 83, seal receptacle 81 and pressing plate 83 are linked together by fastener, the seal receptacle 81
Compressed with the rear side of pressing plate 83 by gland 84, gland 84 is connected after compressing by fastener and the rear end face of the pump housing 1, rotating ring 47 with
Upper rotating shaft 4 and lower rotary shaft 41 are rotated together and the moment produces friction with stationary ring 8, and stationary ring 8 is pushed up after being consumed in friction by spring 82
The lubricating oil that continuation of insurance of being adopted as a child is held in optimal sealing condition, oil pocket 61 also can play scattered to the friction between stationary ring 8 and rotating ring 47
The effect of heat, increases the service life.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
It should all be included within the scope of the present invention.
Claims (6)
1. the long-life it is resistance to it is dry turn impeller pump, including the pump housing (1) and pump cover (2) connected by fastener, is set in the pump housing (1)
There are two rotors (3) for coordinating distribution up and down, two rotors (3) are driven by upper rotating shaft (4) and lower rotary shaft (41) respectively, described
The pump housing (1) both sides are respectively equipped with charging aperture (11) and discharging opening (12), it is characterised in that：The pump housing (1) rear end is provided with fuel tank
Cover (6), the pump housing (1) and fuel tank cap (6) close up the oil pocket (61) to form built-in lubricating oil, and the pump housing (1) Internal back end is provided with and it
The preceding wearing plate of the 8-shaped supporting with its inwall is provided with the rear wearing plate (56) of the supporting 8-shaped of inwall, the pump cover (2)
(5), the inside of the preceding wearing plate (5) and rear wearing plate (56) is equipped with the first cavity (51), and first cavity (51) will
Preceding wearing plate (5) and rear wearing plate (56) are respectively formed antetheca and rear wall, and the thickness of antetheca and rear wall is equal, the thickness of antetheca and
The ratio of the thickness of one cavity (51) is 2:3~1:1, close to preceding wearing plate (5) and rear wearing plate in first cavity (51)
(56) edge is provided with the top and the bottom for being located at preceding wearing plate (5) in multiple first support columns (52), first cavity (51)
Center is equipped with the first support column (52), and the first support column (52) two ends connect the front and rear wall of preceding wearing plate (5) respectively
With the front and rear wall of rear wearing plate (56), the through hole run through is equipped with the preceding wearing plate (5) and rear wearing plate (56), it is described logical
Hole passes through in the center of the first support column (52), through hole and wears the first screw (53) by preceding wearing plate (5) and rear wearing plate (56)
It is separately fixed on pump cover (2) and the pump housing (1), the first screw (53) periphery at the central upper portion of the preceding wearing plate (5) is set
There are the oil-feed runner (54) of the rear wall and corresponding first support column (52) through preceding wearing plate (5), the oil-feed runner (54)
Outlet be located at corresponding first support column (52) outer wall on, the first cavity (51) top of the preceding wearing plate (5) is provided with
Through the outer fuel-displaced runner (55) of pump cover (2), the first cavity (51) of wearing plate (5) before outer fuel-displaced runner (55) connection,
The first cavity (51) upper back of the rear wearing plate (56) is provided with through the pump housing (1) rear wall and rear wearing plate (56) rear wall
Interior fuel-displaced runner (58), the first cavity (51) of wearing plate (56) after interior fuel-displaced runner (58) connection, the pump housing (1)
Ring inwall provided with distribution symmetrical above and below arc upper wearing plate (7) and lower wearing plate (75), the upper wearing plate (7) and
The inside of lower wearing plate (75) is provided with the second cavity (71), and second cavity (71) is by upper wearing plate (7) and lower wearing plate
(75) upper wall and lower wall are respectively formed, the thickness of upper wall and lower wall is equal, the ratio of the thickness of the thickness of upper wall and the second cavity (71)
It is worth for 2:3~1:1, provided with the upper lower wall and lower wearing plate (75) for being connected to wearing plate (7) in second cavity (71)
Run through to be provided with the second support column (72) of upper lower wall, the upper wearing plate (7) and lower wearing plate (75) and be fixed in the pump housing
(1) the second screw (73) of inwall, second screw (73) passes through the center of the second support column (72), the upper wearing plate
(7) upper end center of lower wall is communicated with the upper inlet opening (74) of its second cavity (71), the lower wearing plate (75) it is upper
The two ends of wall are communicated with the lower inlet opening (76) of its second cavity (71), the upper rotating shaft (4) being provided with passage (42), described
Passage (42) is provided with a feeder connection (43) and two channel outlets (44), and the feeder connection (43) is located at oil pocket (61)
On the outer wall of interior upper rotating shaft (4), channel outlet (44) be located in the first cavity (51) of rear wearing plate (56) upper turn
On the outer wall of axle (4), another channel outlet (44) is located at end center of the upper rotating shaft (4) close to preceding wearing plate (5) side, institute
State and oil pump (63) is provided with oil pocket (61), the oil pump (63) is provided with two oil inlet pipes and a flowline, an oil inlet pipe
In the first cavity (51) that rear wearing plate (56) is stretched into through interior fuel-displaced runner (58), another oil inlet pipe penetrates outgoing from outside
Oily runner (55) is stretched into the first cavity (51) of preceding wearing plate (5), and two oil inlet pipes converge in oil pocket (61).
2. long-life as claimed in claim 1 is resistance to dry to turn impeller pump, it is characterised in that：In the top and the bottom of the rear wearing plate (56)
The heart is provided with the axis hole (57) passed through for upper rotating shaft (4) and lower rotary shaft (41).
3. long-life as claimed in claim 2 is resistance to dry to turn impeller pump, it is characterised in that：Upper rotating shaft on front side of the axis hole (57)
(4) lip seal circle (45) and on lower rotary shaft (41) is arranged, the lip seal circle (45) is provided with three and rear wearing plate
(56) sealing lip of antetheca interference fit.
4. long-life as claimed in claim 3 is resistance to dry to turn impeller pump, it is characterised in that：Upper rotating shaft on rear side of the axis hole (57)
(4) and on lower rotary shaft (41) it is arranged card on rear side of axle sleeve (46), the axle sleeve (46) and sets rotating ring (47), rotating ring (47) rear end is supported
Stationary ring (8) is connected to, stationary ring (8) rear end, which is abutted, spring (82), stationary ring (8) and spring (82) upper and lower sides pass through sealing respectively
Compressed on rear side of seat (81) and pressing plate (83) crimping, the seal receptacle (81) and pressing plate (83) by gland (84).
5. long-life as claimed in claim 1 is resistance to dry to turn impeller pump, it is characterised in that：Fuel tank cap (6) the outer wall ring is provided with
Fin (62).
6. long-life as claimed in claim 1 is resistance to dry to turn impeller pump, it is characterised in that：Preceding wearing plate (5) outer rim and pump cover
(2) rubber cushion (21) is provided between inwall, rubber cushion (21) is provided between rear wearing plate (56) outer rim and the pump housing (1) inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610016103.6A CN105464991B (en) | 2016-01-12 | 2016-01-12 | Long-life is resistance to dry to turn impeller pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610016103.6A CN105464991B (en) | 2016-01-12 | 2016-01-12 | Long-life is resistance to dry to turn impeller pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105464991A CN105464991A (en) | 2016-04-06 |
| CN105464991B true CN105464991B (en) | 2017-08-01 |
Family
ID=55603055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610016103.6A Expired - Fee Related CN105464991B (en) | 2016-01-12 | 2016-01-12 | Long-life is resistance to dry to turn impeller pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105464991B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026682A (en) * | 2018-09-11 | 2018-12-18 | 江阴爱尔姆真空设备有限公司 | A kind of new structure and its manufacturing process of rotor |
| CN118066114A (en) * | 2024-04-22 | 2024-05-24 | 德帕姆(杭州)泵业科技有限公司 | Double-support rotor pump under high-pressure working condition |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3612393B2 (en) * | 1996-10-17 | 2005-01-19 | 光洋精工株式会社 | Gear pump |
| JPH11315794A (en) * | 1998-05-01 | 1999-11-16 | Kashiyama Kogyo Kk | Screw dry vacuum pump with cooling mechanism |
| CN201428608Y (en) * | 2009-06-18 | 2010-03-24 | 宜兴优纳特机械有限公司 | Routs blower end cover integral-type cast fully-closed water jacket cooling structure |
| CN102269179B (en) * | 2011-08-11 | 2013-05-08 | 浙江威隆机械科技有限公司 | Dry friction-resisting sealing device for pump body |
| CN202273865U (en) * | 2011-10-26 | 2012-06-13 | 长沙鼓风机厂有限责任公司 | Water cooling Roots blower |
| CN103062064A (en) * | 2013-01-19 | 2013-04-24 | 上海零澜机械科技有限公司 | Reinforced and jacketed fully-cooled type pump body for novel roots pump |
| CN205277832U (en) * | 2016-01-12 | 2016-06-01 | 绍兴文理学院 | Resistant impeller pump that changes futilely of long -life |
-
2016
- 2016-01-12 CN CN201610016103.6A patent/CN105464991B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105464991A (en) | 2016-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206035700U (en) | A single cylinder high pressure common rail firewood fuel pump assembly for rail system | |
| CN105464991B (en) | Long-life is resistance to dry to turn impeller pump | |
| CN105134593A (en) | Host machine of novel oil injection sliding vane air compressor | |
| CN106015009B (en) | It is a kind of to turn the cylinder piston compressor pump and use its compressor | |
| CN205277799U (en) | Resistant impeller pump that changes futilely of long -life | |
| CN105179914A (en) | Oil pump | |
| CN205277832U (en) | Resistant impeller pump that changes futilely of long -life | |
| CN206206177U (en) | It is a kind of to turn the cylinder piston compressor pump housing and use its compressor | |
| CN105464966A (en) | Long-service-life dry-rotation-resistant rotor pump | |
| CN210565120U (en) | Pump body with secondary pump | |
| CN211819873U (en) | Drive element isolated delivery pump | |
| CN207064235U (en) | Vane fuel supply pump provided with safety valve | |
| CN112833007A (en) | Screw pump comprehensive sealing structure | |
| CN205277802U (en) | Radial resistant dry grinding device of impeller pump | |
| CN205858840U (en) | There is the tilt cylinder motor of the flow of resistance to flat surface grinding assembly | |
| CN207033695U (en) | A kind of long-life industrial hose pump | |
| CN202579194U (en) | Vacuum pump | |
| CN205446147U (en) | Reposition of redundant personnel centrifugal pump | |
| CN205137032U (en) | Motor oil pump | |
| CN205001181U (en) | Novel oil spout gleitbretter air compressor host computer | |
| CN104454552A (en) | Coating pump | |
| CN201896761U (en) | Submersible pump with double outlets | |
| CN209294116U (en) | Pump mechanical power sealing structure | |
| CN218760867U (en) | High-pressure oil pump idler gear shaft | |
| CN206299988U (en) | A kind of enhanced self-lubricating lubricating oil pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170801 Termination date: 20180112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |