CN105464966A - Long-service-life dry-rotation-resistant rotor pump - Google Patents
Long-service-life dry-rotation-resistant rotor pump Download PDFInfo
- Publication number
- CN105464966A CN105464966A CN201610015643.2A CN201610015643A CN105464966A CN 105464966 A CN105464966 A CN 105464966A CN 201610015643 A CN201610015643 A CN 201610015643A CN 105464966 A CN105464966 A CN 105464966A
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- Prior art keywords
- wearing plate
- cavity
- pump
- wall
- oil
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Classifications
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- 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
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/18—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
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- 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
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- 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
- F04C15/0088—Lubrication
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- 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
- F04C15/0096—Heating; Cooling
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- 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
- F04C2240/30—Casings or housings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a long-service-life dry-rotation-resistant rotor pump which comprises a pump body and a pump cover, wherein two rotors are arranged in the pump body; the two rotors are respectively driven by an upper rotary shaft and a lower rotary shaft; the rear end of the pump body is provided with an oil tank cover; the pump body and the oil tank cover are closed to form an upper oil cavity and a lower oil cavity; a first wear-resisting plate and a second wear-resisting plate are arranged in the pump body; a front wear-resisting plate is arranged in the pump cover; lubricating oil in the upper oil cavity enters the first wear-resisting plate, the front wear-resisting plate, the second wear-resisting plate and a lower oil cavity, and is returned to the upper oil cavity by virtue of a lower oil pump; the upper wear-resisting plate and the lower wear-resisting plate are arranged on the ring-direction inner wall of the pump body; a second cavity of the upper wear-resisting plate is communicated with an upper liquid inlet; a second cavity of the lower wear-resisting plate is communicated with a lower liquid inlet; and a conveyed fluid can be stored in the second cavity. The long-service-life dry-rotation-resistant rotor pump overcomes the technical limitation that a fluid-exhaustion idling is strictly prohibited for a conventional rotor pump, so that the service life of the rotor pump is prolonged, and the labor intensity of an operator is relieved.
Description
Technical field
The present invention relates to rotor pump technical field, especially relating to a kind of long lifetime resistance toly dryly turns rotor pump.
Background technique
Rotor pump is also known as colloid pump, cam pump, three blade pump, general-purpose transfer pump etc., and rotor pump belongs to displacement pump.It is converted by means of the periodicity of the multiple fixed volume convey unit in active chamber to reach the object of conveying fluid.Rotor is the critical component that pump is used for carrying fluid, rotor rotates and the pump housing and pump cover frictional heat, the full dynamic fluid by rotor conveying takes away these heats, once fluid is drained or is not connect, if operator does not realize, shut down not in time, have more than is needed a few minutes, heat is taken away owing to having lacked working fluid, seal arrangement, a lot of part such as rotor all can be burnt out by the heat of friction accumulation, pump must keep in repair or change, this phenomenon especially bothers in the chemical plant that can not be interrupted, operator needs the moment to monitor the aspiration phases of pump, connect lavatory and all will have relief rotation, very inconvenient, be badly in need of improving.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of long lifetime is provided resistance toly dryly to turn rotor pump, overcome the technical limitation that conventional rotors pump forbids de-liquid air to turn, working life significantly extends, and the labor intensity of operator is alleviated, make user under the equal prerequisite dropped into, ensure that the stability of production, reduce the continuous input of pump class and the turnover rate of equipment.
For achieving the above object, technological scheme of the present invention is: a kind of long lifetime is resistance to dryly turns rotor pump, comprise the pump housing and pump cover that are connected by fastening piece, two rotors coordinating distribution are up and down provided with in the described pump housing, two rotors drive respectively by upper rotating shaft and lower rotary shaft, described pump housing both sides are respectively equipped with material feeding mouth and discharge port, described pump housing rear end is provided with fuel tank cap, the dividing plate of the transverse direction of laminating pump housing rear end is provided with in the middle part of described fuel tank cap, space between the pump housing and fuel tank cap is separated into upper oil cavitie and lower oil cavitie by described dividing plate, wearing plate before the 8-shaped supporting with its inwall is provided with in described pump cover, described pump body rear end is provided with the rear wearing plate supporting with its inwall, described rear wearing plate comprises the first symmetrical up and down wearing plate and the second wearing plate, the cross section of 8-shaped is formed after described first wearing plate and the second wearing plate merge, the intersection of the first wearing plate and the second wearing plate is provided with filler strip, described front wearing plate, the inside of the first wearing plate and the second wearing plate is equipped with the first cavity, described first cavity makes front wearing plate, first wearing plate and the second wearing plate all form antetheca and rear wall, the thickness of antetheca and rear wall is equal, the ratio of the thickness of antetheca and the thickness of the first cavity is 2:3 ~ 1:1, near front wearing plate in described first cavity, the edge of the first wearing plate and the second wearing plate is provided with multiple first supporting post, the center, top and the bottom being positioned at front wearing plate in described first cavity is equipped with the first supporting post, the two ends of described first supporting post connect front wearing plate respectively, first wearing plate and the second wearing plate front and rear wall separately, described front wearing plate, first wearing plate and the second wearing plate are equipped with the through hole run through, described through hole is through the center of the first supporting post, the first screw is worn by front wearing plate in through hole, first wearing plate and the second wearing plate are separately fixed on pump cover and the pump housing, first screw periphery of the center, top and the bottom of described front wearing plate is respectively equipped with oil-feed runner and the oil return runner of rear wall and the first corresponding supporting post running through front wearing plate, the entrance of described oil-feed runner is positioned on the rear wall at front wearing plate central upper portion place, the outlet of oil-feed runner is positioned on the outer wall of the lower end of first supporting post at the central upper portion place of front wearing plate, oil-feed runner is downward-sloping gradually from the inlet to the outlet, the entrance of described oil return runner is positioned on the outer wall of the upper end of first supporting post at the lower central place of front wearing plate, the outlet of oil return runner is positioned on the rear wall at front wearing plate lower central place, oil return runner is downward-sloping gradually from the inlet to the outlet, first cavity bottom of described front wearing plate is provided with the front outer fuel-displaced runner running through pump cover, first cavity bottom of described second wearing plate is provided with the rear outer fuel-displaced runner running through the pump housing, first cavity upper back of described first wearing plate is provided with the interior fuel-displaced runner running through pump housing rear wall and the first wearing plate rear wall, the hoop inwall of the described pump housing is provided with the upper wearing plate of arc symmetrical up and down and lower wearing plate, the inside of described upper wearing plate and lower wearing plate is provided with the second cavity, described second cavity makes wearing plate and lower wearing plate all form upper wall and lower wall, the thickness of upper wall and lower wall is equal, the ratio of the thickness of upper wall and the thickness of the second cavity is 2:3 ~ 1:1, the second supporting post of the upper lower wall of the upper lower wall being connected to wearing plate and lower wearing plate is provided with in described second cavity, described upper wearing plate and lower wearing plate run through the second screw being provided with and being fixed in pump housing inwall, described second screw is through the center of the second supporting post, the upper end center of the lower wall of described upper wearing plate is provided with the upper inlet opening being communicated with its second cavity, the two ends of the upper wall of described lower wearing plate are provided with the lower inlet opening being communicated with its second cavity, upper channel is provided with in described upper rotating shaft, the entrance of described upper channel is positioned on the outer wall of upper rotating shaft of upper oil cavitie, the outlet of upper channel has two, one of them outlet is positioned on the outer wall of the upper rotating shaft of the first cavity of the first wearing plate, another outlet is positioned at the end center of rotating shaft near front wearing plate side, lower channel is provided with in described lower rotary shaft, the entrance of described lower channel is positioned at the end center of lower rotary shaft near front wearing plate side, the outlet of lower channel has two, one of them outlet is positioned on the outer wall of the lower rotary shaft of the first cavity of the second wearing plate, another outlet is positioned on the outer wall of the lower rotary shaft of lower oil cavitie, oiling pump is provided with in described upper oil cavitie, the oil inlet pipe of described oiling pump stretches in the first cavity of the first wearing plate through interior fuel-displaced runner, lower oil pump is provided with in described lower oil cavitie, described lower oil pump is provided with three in-lines and an outlet line, one of them in-line stretches in the first cavity of front wearing plate through front outer fuel-displaced runner, another in-line stretches in the first cavity of the second wearing plate through rear outer fuel-displaced runner, last in-line is positioned at the bottom of lower oil cavitie, outlet line stretches in upper oil cavitie through dividing plate.
The center of described first wearing plate is provided with the axis hole kept supplying rotating shaft and pass, and the center of described second wearing plate is provided with the axis hole passed for lower rotary shaft.
Sheathed lip seal circle on upper rotating shaft on front side of described axis hole and lower rotary shaft, described lip seal circle be provided with three with the sealing lip of the antetheca interference fit of the first wearing plate and the second wearing plate.
Sheathed axle sleeve on upper rotating shaft on rear side of described axis hole and lower rotary shaft, on rear side of described axle sleeve, rotating ring established by card, described rotating ring rear end abuts stationary ring, described stationary ring rear end abuts spring, stationary ring and spring upper and lower sides, respectively by sealing seat and pressing plate crimping, are compressed by gland on rear side of described sealing seat and pressing plate.
Described fuel tank cap outer wall hoop is provided with radiating fin.
Be provided with rubber cushion between the outer rim of described front wearing plate and pump cover inwall, between the arcing outer edges of described first wearing plate and the second wearing plate and pump housing inwall, be provided with rubber cushion.
The invention has the beneficial effects as follows: upper wearing plate and lower wearing plate can store the fluid brought in pump operation in the second cavity of self, the cooling effect to rotor periphery circumference is strengthened in short time when fluid is drained or do not connect, lubricant oil in upper oil cavitie enters inflow first wearing plate and front wearing plate from upper channel, and enter the second wearing plate and lower oil cavitie along lower channel, the cooling effect to the both ends of the surface of rotor is strengthened when fluid is drained or do not connect, can accomplish rotor, the omnibearing protection of the pump housing and pump cover, oiling pump and lower oil pump the speed strengthening changing oil is set, further raising cooling effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the enlarged view at A place in Fig. 1;
Fig. 3 is the enlarged view at B place in Fig. 1;
Fig. 4 is the enlarged view at C place in Fig. 1;
Fig. 5 is the partial side view of the pump housing of the present invention;
Fig. 6 is the enlarged view at D place in Fig. 5;
Fig. 7 is the partial side view of pump cover of the present invention;
Fig. 8 is the side view of rear wearing plate of the present invention.
In figure: the pump housing 1, material feeding mouth 11, discharge port 12, pump cover 2, rubber cushion 21, rotor 3, upper rotating shaft 4, lower rotary shaft 41, upper channel 42, lower channel 43, lip seal circle 45, axle sleeve 46, rotating ring 47, front wearing plate 5, first cavity 51, first supporting post 52, first screw 53, oil-feed runner 54, front outer fuel-displaced runner 55, second wearing plate 56, axis hole 57, interior fuel-displaced runner 58, rear outer fuel-displaced runner 59, fuel tank cap 6, lower oil cavitie 61, radiating fin 62, oiling pump 63, dividing plate 64, upper oil cavitie 65, lower oil pump 66, upper wearing plate 7, second cavity 71, second supporting post 72, second screw 73, upper inlet opening 74, lower wearing plate 75, lower inlet opening 76, stationary ring 8, sealing seat 81, spring 82, pressing plate 83, gland 84, oil return runner 9, first wearing plate 91, filler strip 92.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technological scheme of the present invention is described in further detail.
As shown in Fig. 1 ~ Fig. 8, a kind of long lifetime is resistance to dryly turns rotor pump, comprise the pump housing 1 and pump cover 2 that are connected by fastening piece, fastening piece is located at both periphery, two rotors 3 coordinating distribution are up and down provided with in the described pump housing 1, two rotors 3 drive respectively by upper rotating shaft 4 and lower rotary shaft 41, upper rotating shaft 4 and lower rotary shaft 41 interlock make two rotors 3 coordinate rotation, the described pump housing 1 both sides are respectively equipped with material feeding mouth 11 and discharge port 12, close material feeding mouth 11 place is low pressure area, is zone of high pressure near discharge port 12 place.
The described pump housing 1 rear end is provided with fuel tank cap 6, the dividing plate 64 of the transverse direction of the laminating pump housing 1 rear end is provided with in the middle part of described fuel tank cap 6, space between the pump housing 1 and fuel tank cap 6 is separated into upper oil cavitie 65 and lower oil cavitie 61 by described dividing plate 64, all lubricant oil can be stored in upper oil cavitie 65 and lower oil cavitie 61, lubricant oil can play the partial lubrication effect to upper rotating shaft 4 and lower rotary shaft 41, can play thermolysis again simultaneously.
Wearing plate 5 before the 8-shaped supporting with its inwall is provided with in described pump cover 2, the described pump housing 1 Internal back end is provided with the rear wearing plate supporting with its inwall, described rear wearing plate comprises the first symmetrical up and down wearing plate 91 and the second wearing plate 56, described first wearing plate 91 and the second wearing plate 56 merge the cross section of rear formation 8-shaped, the intersection of the first wearing plate 91 and the second wearing plate 56 is provided with filler strip 92, first wearing plate 91 of intersection and the second wearing plate 56 are straight plane, filler strip 92 can prevent the fluid be transferred from leaking from the gap between the first wearing plate 91 and the second wearing plate 56, rubber cushion 21 is provided with between the outer rim of described front wearing plate 5 and pump cover 2 inwall, rubber cushion 21 is provided with between the arcing outer edges of described first wearing plate 91 and the second wearing plate 56 and the pump housing 1 inwall, rubber cushion 21 can prevent the fluid be transferred from leaking from gap, again can the end face of dampen rotor 3 and front wearing plate 5, circumferential active force when first wearing plate 91 or the second wearing plate 56 rub.
Described front wearing plate 5, the inside of the first wearing plate 91 and the second wearing plate 56 is equipped with the first cavity 51, described first cavity 51 makes front wearing plate 5, first wearing plate 91 and the second wearing plate 56 all form antetheca and rear wall, the thickness of antetheca and rear wall is equal, namely the first cavity 51 is positioned at neutral position, the ratio of the thickness of antetheca and the thickness of the first cavity 51 is 2:3 ~ 1:1, this thickness ratio makes the first cavity 51 of the present invention can hold the more lubricant oil playing cooling action, in turn ensure that front wearing plate 5, the structural strength of the first wearing plate 91 and the second wearing plate 56, be unlikely and damage in the friction process with rotor 3 end face.
Edge near front wearing plate 5, first wearing plate 91 and the second wearing plate 56 in described first cavity 51 is provided with multiple first supporting post 52, the center, top and the bottom being positioned at front wearing plate 5 in described first cavity 51 is equipped with the first supporting post 52, the two ends of described first supporting post 52 connect front wearing plate 5, first wearing plate 91 and the respective front and rear wall of the second wearing plate 56 respectively, multiple first supporting post 52 distributes rationally, further enhances the structural strength of front wearing plate 5 first wearing plate 91 and the second wearing plate 56.
Described front wearing plate 5, first wearing plate 91 and the second wearing plate 56 are equipped with the through hole run through, described through hole is through the center of the first supporting post 52, the first screw 53 is worn by front wearing plate 5 in through hole, first wearing plate 91 and the second wearing plate 56 are separately fixed on pump cover 2 and the pump housing 1, the i.e. quantity of through hole and corresponding setting equal with the quantity of the first supporting post 52, through hole runs through antetheca, first supporting post 52 and rear wall, the first screw 53 on front wearing plate 5 to penetrate and the end of the first screw 53 is positioned at rear wall from its rear wall, namely rear wall is not exposed in the end of the first screw 53, interference can not be produced to the friction of front wearing plate 5 and rotor 3 front-end face, the first screw 53 on first wearing plate 91 and the second wearing plate 56 to penetrate and the end of the first screw 53 is positioned at antetheca from its antetheca, namely antetheca is not exposed in the end of the first screw 53, can not produce the friction of the first wearing plate 91 and the second wearing plate 56 and rotor 3 ear end face and disturb, first screw 53 runs through antetheca simultaneously, first supporting post 52 and rear wall, stressed good and evenly, make front wearing plate 5, first wearing plate 91 and the second wearing plate 56 are fixed reliable, do not take the space of the lubricant oil in the first cavity 51 simultaneously, the film-cooled heat of lubricant oil reaches maximization, first screw 53 is arranged in the first supporting post 52, the leak point of lubricant oil can not be increased, ensure that the sealing effect of lubricant oil, lubricant oil can not be mixed with the fluid be transferred.
First screw 53 periphery of the center, top and the bottom of described front wearing plate 5 is respectively equipped with oil-feed runner 54 and the oil return runner 9 of rear wall and the first corresponding supporting post 52 running through front wearing plate 5, the entrance of described oil-feed runner 54 is positioned on the rear wall at front wearing plate 5 central upper portion place, the outlet of oil-feed runner 54 is positioned on the outer wall of the lower end of first supporting post 52 at the central upper portion place of front wearing plate 5, namely the outlet of oil-feed runner 54 is positioned at the first cavity 51 of front wearing plate 5, oil-feed runner 54 is downward-sloping gradually from the inlet to the outlet, ensure that the smooth trickling of lubricant oil, the entrance of described oil return runner 9 is positioned on the outer wall of the upper end of first supporting post 52 at the lower central place of front wearing plate 5, namely the entrance of oil return runner 9 is positioned at the first cavity 51 of front wearing plate 5 equally, the outlet of oil return runner 9 is positioned on the rear wall at front wearing plate 5 lower central place, oil return runner 9 is downward-sloping gradually from the inlet to the outlet, smooth and easy when ensure that oil return.
The front outer fuel-displaced runner 55 running through pump cover 2 is provided with bottom first cavity 51 of described front wearing plate 5, front outer fuel-displaced runner 55 also penetrates the rubber cushion 21 of front wearing plate 5 outer rim simultaneously, the rear outer fuel-displaced runner 59 running through the pump housing 1 is provided with bottom first cavity 51 of described second wearing plate 56, rear outer fuel-displaced runner 59 also penetrates the rubber cushion 21 of the second wearing plate 56 outer rim simultaneously, first cavity 51 upper back of described first wearing plate 91 is provided with the interior fuel-displaced runner 58 running through the pump housing 1 rear wall and the first wearing plate 91 rear wall, interior fuel-displaced runner 58 makes the first cavity 51 of the first wearing plate 91 be communicated with upper oil cavitie 65.
The hoop inwall of the described pump housing 1 is provided with the upper wearing plate 7 of arc symmetrical up and down and lower wearing plate 75, the inside of described upper wearing plate 7 and lower wearing plate 75 is provided with the second cavity 71, described second cavity 71 makes wearing plate 7 and lower wearing plate 75 all form upper wall and lower wall, the thickness of upper wall and lower wall is equal, namely the second cavity 71 is positioned at neutral position, the ratio of the thickness of upper wall and the thickness of the second cavity 71 is 2:3 ~ 1:1, this thickness ratio makes the second cavity 71 of the present invention can hold the more fluid be transferred, in turn ensure that the structural strength of wearing plate 7 and lower wearing plate 75, be unlikely with rotor 3 outer circumference to friction process in damage.
The second supporting post 72 of the upper lower wall of upper lower wall and the lower wearing plate 75 being connected to wearing plate 7 is provided with in described second cavity 71, the quantity of the second supporting post 72 of the upper wearing plate 7 in the present invention and lower wearing plate 75 is circumferential 6 row, axially 3 row, totally 18, described upper wearing plate 7 and lower wearing plate 75 run through the second screw 73 being provided with and being fixed in the pump housing 1 inwall, described second screw 73 is through the center of the second supporting post 72, the i.e. quantity of the second screw 73 and corresponding setting equal with the quantity of the second supporting post 72, the second screw 73 on upper wearing plate 7 to penetrate and the end of the second screw 73 is positioned at lower wall from its lower wall, namely lower wall is not exposed in the end of the second screw 73, can not to upper wearing plate 7 and rotor 3 outer circumference to friction produce interference, the second screw 73 on lower wearing plate 75 from it wall penetrates and the end of the second screw 73 is positioned at upper wall, namely upper wall is not exposed in the end of the second screw 73, can not to lower wearing plate 75 and rotor 3 outer circumference to friction produce interference, second screw 73 runs through upper wall simultaneously, second supporting post 72 and lower wall, stressed good and evenly, wearing plate 7 and lower wearing plate 75 is made to fix reliable, do not take the space of the fluid in the second cavity 71 simultaneously, the film-cooled heat of fluid reaches maximization, second screw 73 is arranged in the second supporting post 72, the leakage point of the fluid be stored in the second cavity 71 can not be increased, good seal performance.
The upper end center of the lower wall of described upper wearing plate 7 is provided with the upper inlet opening 74 being communicated with its second cavity 71, the two ends of the upper wall of described lower wearing plate 75 are provided with the lower inlet opening 76 being communicated with its second cavity 71, lower inlet opening 76 is positioned at the upper wall of lower wearing plate 75 near apical position, same inlet opening 76 at present can be arranged to downward-sloping from outside to the second cavity 71, fluid is facilitated to enter, fluid understand in the process of being carried by rotor 3 some from inlet opening 74 and lower inlet opening 76 enter wearing plate 7 and lower wearing plate 75 respectively the second cavity 71 in store, because upper inlet opening 74 is positioned at position topmost, lower inlet opening 76 is positioned at the close apical position of lower wearing plate 75, therefore the fluid be stored can not leak out from upper inlet opening 74 and lower inlet opening 76, can be strengthened in the short time when fluid drains or do not connect to rotor 3 outer circumference to cooling effect.
Upper channel 42 is provided with in described upper rotating shaft 4, the entrance of described upper channel 42 is positioned on the outer wall of upper rotating shaft 4 of upper oil cavitie 65, the entrance being specially upper channel 42 is submerged in lubricant oil, the outlet of upper channel 42 has two, one of them outlet is positioned on the outer wall of the upper rotating shaft 4 of the first cavity 51 of the first wearing plate 91, lubricant oil can be sent in the first cavity 51 of the first wearing plate 91, another outlet is positioned at the end center of rotating shaft 4 near front wearing plate 5 side, lower channel 43 is provided with in described lower rotary shaft 41, the entrance of described lower channel 43 is positioned at the end center of lower rotary shaft 41 near front wearing plate 5 side, the outlet of lower channel 43 has two, one of them outlet is positioned on the outer wall of the lower rotary shaft 41 of the first cavity 51 of the second wearing plate 56, lubricant oil can be sent in the first cavity 51 of the second wearing plate 56, another outlet is positioned on the outer wall of lower rotary shaft 41 of lower oil cavitie 61, lubricant oil can be sent in lower oil cavitie 61, oiling pump 63 is provided with in described upper oil cavitie 65, the oil inlet pipe of described oiling pump 63 stretches in the first cavity 51 of the first wearing plate 91 through interior fuel-displaced runner 58, the oil outlet tube of oiling pump 63 is positioned at upper oil cavitie 65, lower oil pump 66 is provided with in described lower oil cavitie 61, described lower oil pump 66 is provided with three in-lines and an outlet line, one of them in-line stretches in the first cavity 51 of front wearing plate 5 through front outer fuel-displaced runner 55, another in-line stretches in the first cavity 51 of the second wearing plate 56 through rear outer fuel-displaced runner 59, last in-line is positioned at the bottom of lower oil cavitie 61, outlet line stretches in upper oil cavitie 65 through dividing plate 64, described fuel tank cap 6 outer wall hoop is provided with radiating fin 62.
Lubricant oil in upper oil cavitie 65 enters from upper channel 42, a part enters in the first cavity 51 of the first wearing plate 91, another part directly enters in the first cavity 51 of front wearing plate 5 after outlet outflow foremost enters oil-feed runner 54, when lubricant oil in the first cavity 51 of front wearing plate 5 is abundant, lubricant oil enters lower channel 43 along oil return runner 9, then in the first cavity 51 flowing into the second wearing plate 56 respectively and lower oil cavitie 61, make front wearing plate 5, a large amount of lubricant oil is all stored in first cavity 51 of the first wearing plate 91 and the second wearing plate 56, the cooling effect to the both ends of the surface of rotor 3 is strengthened when fluid is drained or do not connect, can accomplish rotor 3, the omnibearing protection of the pump housing 1 and pump cover 2, oiling pump 63 and lower oil pump 66 all can be arranged to interval and open, lubricant oil in first cavity 51 of the first wearing plate 91 is sucked back upper oil cavitie 65 by oiling pump 63, lower oil pump 66 is by front wearing plate 5, lubricant oil in first cavity 51 of the second wearing plate 56 and in lower oil cavitie 61 sucks back upper oil cavitie 65, make front wearing plate 5, first wearing plate 91, pressure in second wearing plate 56 and lower oil cavitie 61 reduces, lubricant oil in upper oil cavitie 65 continues flowing and adds to front wearing plate 5, first wearing plate 91, in second wearing plate 56 and lower oil cavitie 61, radiating fin 62 can dispel the heat to lubricant oil in the moment, it is made to remain good cooling effect.
The center of described first wearing plate 91 is provided with the axis hole 57 kept supplying rotating shaft 4 and pass, and the center of described second wearing plate 56 is provided with the axis hole 57 passed for lower rotary shaft 41.Sheathed lip seal circle 45 on upper rotating shaft 4 on front side of described axis hole 57 and lower rotary shaft 41, described lip seal circle 45 be provided with three with the sealing lip of the antetheca interference fit of the first wearing plate 91 and the second wearing plate 56, the sealing lip of lip seal circle 45 is comparatively soft, and frictional force is little, good sealing effect.
Sheathed axle sleeve 46 on upper rotating shaft 4 on rear side of described axis hole 57 and lower rotary shaft 41, on rear side of described axle sleeve 46, rotating ring 47 established by card, described rotating ring 47 rear end abuts stationary ring 8, described stationary ring 8 rear end abuts spring 82, stationary ring 8 and spring 82 upper and lower sides crimp respectively by sealing seat 81 and pressing plate 83, sealing seat 81 and pressing plate 83 are linked together by fastening piece, compressed by gland 84 on rear side of described sealing seat 81 and pressing plate 83, gland 84 is connected with the pump housing 1 ear end face by fastening piece after compressing, rotating ring 47 to rotate and moment and stationary ring 8 produce and rub along with upper rotating shaft 4 together with lower rotary shaft 41, ejected by spring 82 after stationary ring 8 consumes in friction and continue to keep best sealing condition, lubricant oil in upper oil cavitie 65 and lower oil cavitie 61 also can play the effect of heat radiation to the friction between stationary ring 8 and rotating ring 47, increase the service life.
Front wearing plate 5, first wearing plate 91, second wearing plate 56 of the present invention, upper wearing plate 7 and lower wearing plate 75 all can conveniently be changed simultaneously, and cost is low, and practicability is good.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (6)
1. the resistance to dry impeller pump that turns of long-life, comprise the pump housing (1) and the pump cover (2) that are connected by securing member, two rotors (3) that coordinate distribution are up and down provided with in the described pump housing (1), two rotors (3) drive respectively by upper rotating shaft (4) and lower rotary shaft (41), the described pump housing (1) both sides are respectively equipped with charging aperture (11) and discharging opening (12), it is characterized in that: the described pump housing (1) rear end is provided with fuel tank cap (6), described fuel tank cap (6) middle part is provided with the horizontal dividing plate (64) of the laminating pump housing (1) rear end, space between the pump housing (1) and fuel tank cap (6) is separated into upper oil cavitie (65) and lower oil cavitie (61) by described dividing plate (64), the front wearing plate (5) of the 8-shaped supporting with its inwall is provided with in described pump cover (2), the described pump housing (1) Internal back end is provided with the rear wearing plate supporting with its inwall, described rear wearing plate comprises symmetrical up and down the first wearing plate (91) and the second wearing plate (56), after merging, described the first wearing plate (91) and the second wearing plate (56) form the cross section of 8-shaped, the intersection of the first wearing plate (91) and the second wearing plate (56) is provided with filler strip (92), described front wearing plate (5), the inside of the first wearing plate (91) and the second wearing plate (56) is equipped with the first cavity (51), described the first cavity (51) makes front wearing plate (5), the first wearing plate (91) and the second wearing plate (56) all form antetheca and rear wall, the thickness of antetheca and rear wall is equal, the ratio of the thickness of antetheca and the thickness of the first cavity (51) is 2:3 ~ 1:1, close front wearing plate (5) in described the first cavity (51), the edge of the first wearing plate (91) and the second wearing plate (56) is provided with multiple the first support columns (52), the center, top and the bottom that is positioned at front wearing plate (5) in described the first cavity (51) is equipped with the first support column (52), the two ends of described the first support column (52) connect respectively front wearing plate (5), the first wearing plate (91) and the second wearing plate (56) front and rear wall separately, described front wearing plate (5), the first wearing plate (91) and the second wearing plate (56) are equipped with the through hole running through, described through hole is through the center of the first support column (52), the first screw (53) is worn by front wearing plate (5) in through hole, the first wearing plate (91) and the second wearing plate (56) are separately fixed on pump cover (2) and the pump housing (1), the first screw (53) periphery of the center, top and the bottom of described front wearing plate (5) is respectively equipped with oil-feed runner (54) and the oil return runner (9) of the rear wall that runs through front wearing plate (5) and corresponding the first support column (52), the entrance of described oil-feed runner (54) is positioned on the rear wall at front wearing plate (5) central upper portion place, the outlet of oil-feed runner (54) is positioned on the outer wall of lower end of first support column (52) at the central upper portion place of front wearing plate (5), oil-feed runner (54) is downward-sloping gradually from the inlet to the outlet, the entrance of described oil return runner (9) is positioned on the outer wall of upper end of first support column (52) at the lower central place of front wearing plate (5),The outlet of oil return runner (9) is positioned on the rear wall at front wearing plate (5) lower central place, oil return runner (9) is downward-sloping gradually from the inlet to the outlet, the first cavity (51) bottom of described front wearing plate (5) is provided with the front outer fuel-displaced runner (55) that runs through pump cover (2), the first cavity (51) bottom of described the second wearing plate (56) is provided with the rear outer fuel-displaced runner (59) that runs through the pump housing (1), the first cavity (51) upper back of described the first wearing plate (91) is provided with the interior fuel-displaced runner (58) that runs through the pump housing (1) rear wall and the first wearing plate (91) rear wall, the hoop inwall of the described pump housing (1) is provided with upper wearing plate (7) and the lower wearing plate (75) of symmetrical up and down arc, the inside of described upper wearing plate (7) and lower wearing plate (75) is provided with the second cavity (71), described the second cavity (71) makes wearing plate (7) and lower wearing plate (75) all form upper wall and lower wall, the thickness of upper wall and lower wall is equal, the ratio of the thickness of upper wall and the thickness of the second cavity (71) is 2:3 ~ 1:1, second support column (72) of the upper lower wall of the upper lower wall that is connected to wearing plate (7) and lower wearing plate (75) is provided with in described the second cavity (71), described upper wearing plate (7) and lower wearing plate (75) run through and be provided with the second screw (73) that is fixed in the pump housing (1) inwall, described the second screw (73) is through the center of the second support column (72), the upper end center of the lower wall of described upper wearing plate (7) is provided with the upper inlet opening (74) that is communicated with its second cavity (71), the two ends of the upper wall of described lower wearing plate (75) are provided with the lower inlet opening (76) that is communicated with its second cavity (71), upper channel (42) is provided with in described upper rotating shaft (4), the entrance of described upper channel (42) is positioned on the outer wall of upper rotating shaft (4) of upper oil cavitie (65), the outlet of upper channel (42) has two, one of them outlet is positioned on the outer wall of upper rotating shaft (4) of first cavity (51) of the first wearing plate (91), another outlet is positioned at the end center of rotating shaft (4) near front wearing plate (5) side, lower channel (43) is provided with in described lower rotary shaft (41), the entrance of described lower channel (43) is positioned at the end center of lower rotary shaft (41) near front wearing plate (5) side, the outlet of lower channel (43) has two, one of them outlet is positioned on the outer wall of lower rotary shaft (41) of first cavity (51) of the second wearing plate (56), another outlet is positioned on the outer wall of lower rotary shaft (41) of lower oil cavitie (61), oiling pump (63) is provided with in described upper oil cavitie (65), the oil inlet pipe of described oiling pump (63) stretches in first cavity (51) of the first wearing plate (91) through interior fuel-displaced runner (58), lower oil pump (66) is provided with in described lower oil cavitie (61), described lower oil pump (66) is provided with three in-lines and an outlet line, one of them in-line stretches in first cavity (51) of front wearing plate (5) through front outer fuel-displaced runner (55)Another in-line stretches in first cavity (51) of the second wearing plate (56) through rear outer fuel-displaced runner (59), last in-line is positioned at the bottom of lower oil cavitie (61), and outlet line stretches in upper oil cavitie (65) through dividing plate (64).
2. a kind of long lifetime resistance toly dryly turns rotor pump as claimed in claim 1, it is characterized in that: the center of described first wearing plate (91) is provided with the axis hole (57) kept supplying rotating shaft (4) and pass, the center of described second wearing plate (56) is provided with the axis hole (57) passed for lower rotary shaft (41).
3. a kind of long lifetime resistance toly dryly turns rotor pump as claimed in claim 2, it is characterized in that: upper rotating shaft (4) and the lower rotary shaft (41) of described axis hole (57) front side go up sheathed lip seal circle (45), described lip seal circle (45) be provided with three with the sealing lip of the antetheca interference fit of the first wearing plate (91) and the second wearing plate (56).
4. a kind of long lifetime resistance toly dryly turns rotor pump as claimed in claim 3, it is characterized in that: the upper rotating shaft (4) of described axis hole (57) rear side and the upper sheathed axle sleeve (46) of lower rotary shaft (41), rotating ring (47) established by described axle sleeve (46) rear side card, described rotating ring (47) rear end abuts stationary ring (8), described stationary ring (8) rear end abuts spring (82), stationary ring (8) and spring (82) upper and lower sides are respectively by sealing seat (81) and pressing plate (83) crimping, described sealing seat (81) and pressing plate (83) rear side are compressed by gland (84).
5. a kind of long lifetime resistance toly dryly turns rotor pump as claimed in claim 1, it is characterized in that: described fuel tank cap (6) outer wall hoop is provided with radiating fin (62).
6. a kind of long lifetime resistance toly dryly turns rotor pump as claimed in claim 1, it is characterized in that: between the outer rim of described front wearing plate (5) and pump cover (2) inwall, be provided with rubber cushion (21), between the arcing outer edges of described first wearing plate (91) and the second wearing plate (56) and the pump housing (1) inwall, be provided with rubber cushion (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015643.2A CN105464966A (en) | 2016-01-12 | 2016-01-12 | Long-service-life dry-rotation-resistant rotor pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015643.2A CN105464966A (en) | 2016-01-12 | 2016-01-12 | Long-service-life dry-rotation-resistant rotor pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105464966A true CN105464966A (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610015643.2A Pending CN105464966A (en) | 2016-01-12 | 2016-01-12 | Long-service-life dry-rotation-resistant rotor pump |
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| Country | Link |
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| CN (1) | CN105464966A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10122161A (en) * | 1996-10-17 | 1998-05-12 | Koyo Seiko Co Ltd | Gear pump |
| CN2538979Y (en) * | 2002-03-22 | 2003-03-05 | 朱林森 | Improved gear pump |
| CN2753904Y (en) * | 2004-11-29 | 2006-01-25 | 庞文 | Stainless steel gear pump |
| CN2767707Y (en) * | 2004-10-11 | 2006-03-29 | 白桦 | High-pressure gear water pump |
| CN205277799U (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 CN201610015643.2A patent/CN105464966A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10122161A (en) * | 1996-10-17 | 1998-05-12 | Koyo Seiko Co Ltd | Gear pump |
| CN2538979Y (en) * | 2002-03-22 | 2003-03-05 | 朱林森 | Improved gear pump |
| CN2767707Y (en) * | 2004-10-11 | 2006-03-29 | 白桦 | High-pressure gear water pump |
| CN2753904Y (en) * | 2004-11-29 | 2006-01-25 | 庞文 | Stainless steel gear pump |
| CN205277799U (en) * | 2016-01-12 | 2016-06-01 | 绍兴文理学院 | Resistant impeller pump that changes futilely of long -life |
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Effective date of abandoning: 20180313 |