CN113819055A - Split type scraper pump capable of assisting operation of motor - Google Patents

Split type scraper pump capable of assisting operation of motor Download PDF

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Publication number
CN113819055A
CN113819055A CN202110885363.8A CN202110885363A CN113819055A CN 113819055 A CN113819055 A CN 113819055A CN 202110885363 A CN202110885363 A CN 202110885363A CN 113819055 A CN113819055 A CN 113819055A
Authority
CN
China
Prior art keywords
pump body
pump
motor
scraper
assisting
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.)
Pending
Application number
CN202110885363.8A
Other languages
Chinese (zh)
Inventor
吉文斌
黄萧
陈跃邦
李传金
徐军中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Jinhu Fuel Feed Pump Co ltd
Original Assignee
Jiangsu Jinhu Fuel Feed Pump Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Jinhu Fuel Feed Pump Co ltd filed Critical Jiangsu Jinhu Fuel Feed Pump Co ltd
Priority to CN202110885363.8A priority Critical patent/CN113819055A/en
Priority to LU502355A priority patent/LU502355B1/en
Priority to PCT/CN2021/111183 priority patent/WO2022110892A2/en
Publication of CN113819055A publication Critical patent/CN113819055A/en
Priority to ZA2022/02614A priority patent/ZA202202614B/en
Pending legal-status Critical Current

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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
    • 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
    • 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
    • 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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
    • F04C14/26—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels
    • 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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/28—Safety arrangements; Monitoring
    • 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

Abstract

The invention relates to the technical field of split type scraper pumps, and discloses a split type scraper pump capable of assisting a motor to operate, which comprises a first pump body, a second pump body, a mounting plate and a motor, wherein the motor is connected with the mounting plate, the first pump body is connected with the second pump body, a transmission mechanism is arranged between the first pump body and the second pump body, the outer walls of the first pump body and the second pump body are provided with a protection mechanism and a clamping mechanism, the first pump body and the second pump body form a main pump body, the transmission mechanism comprises a rotating shaft, an oil outlet, an oil inlet, a mounting block, pump blades, a clamping block, a sliding groove and a sealing strip, the split type scraper pump capable of assisting the motor to operate can transmit liquid, and compared with a common scraper pump, the scraper pump provided by the invention can replace the blades in the split type scraper pump, and can be convenient for daily disassembly and maintenance of the scraper pump, can also protect the inside, avoid advantages such as internal pressure is too high.

Description

Split type scraper pump capable of assisting operation of motor
Technical Field
The invention relates to the technical field of split type scraper pumps, in particular to a split type scraper pump capable of assisting a motor to operate.
Background
A scraper pump is a pump in which blades in a rotor groove are in contact with a pump casing (stator ring) to press sucked liquid from an oil inlet side to an oil outlet side. When the scraper pump rotor rotates, the tip of the blade is tightly attached to the inner surface of the stator under the action of centrifugal force and pressure oil. The working volume formed by the two blades, the rotor and the inner surface of the stator firstly absorbs oil from small to large and then discharges oil from large to small, and when the blades rotate for one circle, oil absorption and oil discharge are completed once.
The blade of current scraper pump inside is inconvenient to be changed after the process that uses, and needs a large amount of loaded down with trivial details time to carry out the dismouting when carrying out daily maintenance, influences scraper pump's normal use efficiency, and can not observe the liquid of inside at the in-process that scraper pump used, is difficult to observe after inside liquid changes.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a split type scraper pump capable of assisting the operation of a motor, which has the advantages of being capable of replacing blades inside, facilitating the daily disassembly, assembly and maintenance of the scraper pump, protecting the inside, avoiding overhigh internal pressure, utilizing the power of oil to generate electricity and the like, and is used for solving the problems that the blades inside the scraper pump are inconvenient to replace after the use process in the prior art, the blades are required to be disassembled and assembled in a large amount of complicated time during the daily maintenance, the normal use efficiency of the scraper pump is influenced, the inside cannot be protected in the use process of the scraper pump, and the parts are damaged due to overhigh internal pressure.
(II) technical scheme
The invention provides the following technical scheme: the utility model provides a split type scraper pump that can assist motor operation, includes the first pump body, the second pump body, mounting panel and motor, the motor with the mounting panel is connected, the first pump body is connected with the second pump body, drive mechanism has between the first pump body and the second pump body, the outer wall of the first pump body and the second pump body has protection mechanism and clamping mechanism, the first pump body and the second pump body form the main pump body.
The split scraper pump capable of assisting the motor in running can be used for conveying liquid, and compared with a common scraper pump, the split scraper pump provided by the invention has the advantages that blades inside can be replaced, the scraper pump can be conveniently disassembled, assembled and maintained daily, the interior can be protected, the internal pressure is prevented from being too high, power of oil can be used for power generation, and the like.
In a possible embodiment, the transmission mechanism includes a rotating shaft, an oil outlet, an oil inlet, an installation block, a pump blade, a fixture block, a chute and a sealing strip, the rotating shaft penetrates through the second pump body and is connected with the second pump body and the first pump body, the oil outlet and the oil inlet are both connected with the main pump body, the chute is arranged in the second pump body, the installation block is located in the chute and is connected with the second pump body and the first pump body, the fixture block is connected with the pump blade, the fixture block is connected with the installation block, and the sealing sleeve is connected with the first pump body and the second pump body.
Through setting up drive mechanism and can conveniently carrying out the transmission to the liquid in the pump body, and can be convenient for change inside blade to can be according to the blade transmission of carrying out inside liquid of difference, and then can guarantee to scrape the use of vane pump stable, further can avoid the motor reversal to lead to inside liquid reflux, thereby can guarantee that liquid is in impeller pump effect underdrive stable transmission.
In a possible embodiment, the rotating shaft is capable of rotating relative to the first pump body and the second pump body.
In a possible embodiment, the mounting block has a limiting groove, the pumping blade is located in the limiting groove and contacts with the mounting block, and the pumping blade can move relative to the mounting block, the first pump body and the second pump body are both provided with mounting grooves, and the sealing strip is located in the mounting grooves and contacts with the first pump body and the second pump body.
The fixture block can be fixed conveniently by arranging the limiting groove, so that the scraper pump can be replaced and clamped, and the internal pump blade can be replaced conveniently.
In a possible embodiment, the pumping vanes are quadrilateral or triangular in shape.
The liquid can be conveniently transmitted by setting the shape of the pump blade to be quadrilateral, and the liquid is in a non-flowing state under the condition that the motor does not rotate.
The shape of the pump blade is set to be triangular, so that the flowing of liquid can be guaranteed constantly, the flowing of the liquid can be accelerated in the starting process of the motor, and the liquid can be guaranteed to flow fast.
In a possible embodiment, the protection mechanism includes an oil inlet pipe, a safety valve, a switch valve, and an oil outlet pipe, the oil inlet pipe is connected to the oil inlet, the safety valve is connected to the oil inlet pipe, the switch valve is connected to the safety valve, and the oil outlet pipe is connected to the oil outlet.
Can conveniently carry out pressure detection to the driven liquid in the pump body through setting up protection mechanism and judge to can guarantee the stability of the inside transmission liquid of the pump body, and then can protect inside spare part, can not be too high in order to guarantee inside fluid pressure, further can guarantee the inside steady operation of pump.
In a possible embodiment, the oil inlet pipe is communicated with the oil inlet, the oil outlet pipe is communicated with the oil outlet, the oil inlet pipe, the safety valve, the switch valve and the oil outlet pipe are arranged in a communicating manner, and the safety valve can adjust safety pressure.
Through setting up the relief valve, when the pressure that can be inside surpassed the predetermined value, will advance oil pipe and go out oil pipe intercommunication to can conveniently carry out the pressure release, protect the pump body.
In a possible embodiment, the clamping mechanism includes a first fixing plate, a second fixing plate, a limiting rod, a connecting frame and a limiting block, the first fixing plate is connected with the first pump body, the second fixing plate is connected with the second pump body, the limiting rod is connected with the first fixing plate and the second fixing plate, the connecting frame is connected with the limiting block, and the limiting block is connected with the limiting rod.
Can conveniently fix the first pump body and the second pump body through setting up clamping mechanism to can be quick carry out the dismouting to the first pump body and the second pump body, with the change of the daily repair of convenient scraper pump and inside pump blade, and can press from both sides tightly the sealed of between the first pump body and the second pump body, the normal work of further assurance scraper pump.
In a possible implementation manner, the limiting rod is provided with a clamping groove, the limiting block is clamped with the clamping groove, and the limiting rod can move relative to the first fixing plate and the second fixing plate.
Can restrict first fixed plate and second fixed plate through setting up the gag lever post to can guarantee the connection of the first pump body and the second pump body, and then guarantee the stability at the fluid drive in-process.
In a possible embodiment, the power mechanism comprises a rotor, a plunger and a connecting plate, the rotor is located in the motor and connected with the rotating shaft, the plunger is located in the rotor and can move relative to the rotor, and the connecting plate is connected with the plunger.
The power mechanism is arranged, so that the motor can be driven to rotate while rotating, the power of the motor is converted into the power of the pump blade, and when the plunger reaches the most limit position, the inner liquid can push the rotor to generate electricity, so that the power loss of the motor is reduced.
Compared with the prior art, the invention provides a split type scraper pump capable of assisting the operation of a motor, which has the following beneficial effects:
1. according to the scraper pump, the transmission mechanism is arranged, so that liquid in the pump body can be conveniently transmitted, and the internal blades can be conveniently replaced, so that the internal liquid can be transmitted according to different blades, the scraper pump can be stably used, the internal liquid backflow caused by the reverse rotation of the motor can be further avoided, and the stable transmission of the liquid under the action of the impeller pump can be ensured.
2. The protection mechanism is arranged, so that pressure detection and judgment can be conveniently carried out on the liquid transmitted in the pump body, the stability of the liquid transmitted in the pump body can be ensured, internal parts can be protected, the internal liquid pressure cannot be too high, and the stable operation in the pump can be further ensured.
3. The first pump body and the second pump body can be conveniently fixed by arranging the clamping mechanism, so that the first pump body and the second pump body can be rapidly disassembled and assembled, the daily maintenance of the scraper pump and the replacement of internal pump blades are facilitated, the seal between the first pump body and the second pump body can be clamped, and the normal work of the scraper pump is further ensured.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
Fig. 1 is a schematic overall structure diagram of a split scraper pump capable of assisting the operation of a motor according to the present invention;
fig. 2 is a rear view of a split vane pump capable of assisting the operation of a motor according to the present invention;
fig. 3 is a schematic view of the internal structure of a motor of a split scraper pump capable of assisting the motor in operating;
FIG. 4 is a schematic view of a transmission mechanism of a split scraper pump capable of assisting the operation of a motor provided by the invention;
fig. 5 is a schematic diagram of a pump blade of a split type scraper pump capable of assisting the operation of a motor provided by the invention;
fig. 6 is a schematic diagram of a position structure of a limiting rod of the split scraper pump capable of assisting the operation of the motor provided by the invention.
Wherein: the pump comprises a first pump body 1, a second pump body 2, a motor 4, a rotating shaft 21, an oil outlet 22, an oil inlet 23, an oil mounting block 24, a pump blade 25, a clamping block 26, a sliding groove 27, a sealing strip 28, an oil inlet pipe 31, a safety valve 32, a switch valve 33, an oil outlet pipe 34, a first fixing plate 41, a second fixing plate 42, a limiting rod 43, a connecting frame 44, a limiting block 45, a rotor 51, a plunger 52 and a connecting plate 53.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements or in a relationship wherein two elements interact with each other. Those skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations.
The first embodiment is as follows:
as shown in fig. 1-3 and fig. 5-6, the invention provides a split type scraper pump capable of assisting a motor to operate, which comprises a first pump body 1, a second pump body 2, a mounting plate 3 and a motor 4, wherein the motor 4 is connected with the mounting plate 3, the first pump body 1 is connected with the second pump body 2, a transmission mechanism is arranged between the first pump body 1 and the second pump body 2, the outer walls of the first pump body 1 and the second pump body 2 are provided with an observation mechanism and a clamping mechanism, and the first pump body 1 and the second pump body 2 form a main pump body.
The split scraper pump capable of assisting the motor in running can be used for conveying liquid, and compared with a common scraper pump, the split scraper pump provided by the invention has the advantages that blades inside can be replaced, the scraper pump can be conveniently dismounted and maintained daily, the inside can be protected, the internal pressure is prevented from being too high, and the like.
In a possible embodiment, the transmission mechanism includes a rotating shaft 21, an oil outlet 22, an oil inlet 23, a mounting block 24, a pump blade 25, a clamping block 26, a sliding groove 27 and a sealing strip 28, the rotating shaft 21 penetrates through the second pump body 2 and is connected with the second pump body 2 and the first pump body 1, the oil outlet 22 and the oil inlet 23 are both connected with the main pump body, the sliding groove 27 is arranged in the second pump body 2, the mounting block 24 is located in the sliding groove 27 and is connected with the second pump body 2 and the first pump body 1, the clamping block 26 is connected with the pump blade 25, the clamping block 26 is connected with the mounting block 24, and the sealing sleeve is connected with the first pump body 1 and the second pump body 2.
Through setting up drive mechanism and can conveniently carrying out the transmission to the liquid in the pump body, and can be convenient for change inside blade to can be according to the blade transmission of carrying out inside liquid of difference, and then can guarantee to scrape the use of vane pump stable, further can avoid motor 4 reversal to lead to inside liquid backward flow, thereby can guarantee that liquid is in the steady transmission of impeller pump effect down.
In a possible embodiment, and the rotating shaft 21 is able to rotate with respect to the first pump body 1 and the second pump body 2.
In a possible embodiment, the mounting block 24 has a limiting groove, the pumping blade 25 is located in the limiting groove and contacts with the mounting block 24, and the pumping blade 25 can move relative to the mounting block 24, the first pump body 1 and the second pump body 2 are both provided with mounting grooves, and the sealing strip 28 is located in the mounting grooves and contacts with the first pump body 1 and the second pump body 2.
The fixture block 26 can be conveniently fixed by arranging the limiting groove, so that the scraper pump can be replaced and clamped, and the internal pump blade 25 can be conveniently replaced.
In one possible embodiment, the pumping vanes 25 are quadrilateral in shape.
The liquid can be easily transmitted by providing the pump blade 25 in a quadrangular shape, and the liquid is in a non-flowing state without the motor 4 rotating.
In a possible embodiment, the protection mechanism comprises an oil inlet pipe 31, a safety valve 32, an on-off valve 33 and an oil outlet pipe 34, the oil inlet pipe 31 is connected with the oil inlet 23, the safety valve 32 is connected with the oil inlet pipe 31, the on-off valve 33 is connected with the safety valve 32, and the oil outlet pipe 34 is connected with the oil outlet 22.
Can conveniently carry out pressure detection to the driven liquid in the pump body through setting up protection mechanism and judge to can guarantee the stability of the inside transmission liquid of the pump body, and then can protect inside spare part, can not be too high in order to guarantee inside fluid pressure, further can guarantee the inside steady operation of pump.
In a possible embodiment, the oil inlet pipe 31 communicates with the oil inlet 23, the oil outlet pipe 34 communicates with the oil outlet 22, the oil inlet pipe 31, the safety valve 32, the on-off valve 33, and the oil outlet pipe 34 are disposed in communication, and the safety valve 32 can regulate the safety pressure.
Through setting up relief valve 32, can be when the pressure in inside surpasss the predetermined value, will advance oil pipe 31 and go out oil pipe 34 intercommunication to can conveniently carry out the pressure release, protect the pump body.
In a possible embodiment, the clamping mechanism includes a first fixing plate 41, a second fixing plate 42, a limiting rod 43, a connecting frame 44 and a limiting block 45, the first fixing plate 41 is connected with the first pump body 1, the second fixing plate 42 is connected with the second pump body 2, the limiting rod 43 is connected with the first fixing plate 41 and the second fixing plate 42, the connecting frame 44 is connected with the limiting block 45, and the limiting block 45 is connected with the limiting rod 43.
Can conveniently fix the first pump body 1 and the second pump body 2 through setting up clamping mechanism to can be quick carry out the dismouting to the first pump body 1 and the second pump body 2, with the change of the daily maintenance of convenient scraper pump and inside pump blade 25, and can press from both sides tightly the sealed of the first pump body 1 between the second pump body 2, further assurance scraper pump's normal work.
In a possible embodiment, the limiting rod 43 is provided with a slot, the limiting block 45 is connected with the slot, and the limiting rod 43 can move relative to the first fixing plate 41 and the second fixing plate 42.
The first fixing plate 41 and the second fixing plate 42 can be limited by arranging the limiting rod 43, so that the connection between the first pump body 1 and the second pump body 2 can be ensured, and the stability in the liquid transmission process is further ensured.
The power mechanism comprises a rotor 51, a plunger 52 and a connecting plate 53, wherein the rotor 51 is positioned in the motor 4 and connected with the rotating shaft 21, the plunger 52 is positioned in the rotor 51 and can move relative to the rotor 51, and the connecting plate 53 is connected with the plunger 52.
The power mechanism is arranged, so that the motor 4 can be conveniently rotated and the pump blade 25 is driven to rotate, the power of the motor 4 is converted into the power of the pump blade 25, and when the plunger 52 reaches the most limit position, the inner liquid can push the rotor 51 to generate electricity, so that the power loss of the motor 4 is reduced.
Example two:
as shown in fig. 1-4 and fig. 6, the invention provides a split type scraper pump capable of assisting a motor to operate, which comprises a first pump body 1, a second pump body 2, a mounting plate 3 and a motor 4, wherein the motor 4 is connected with the mounting plate 3, the first pump body 1 is connected with the second pump body 2, a transmission mechanism is arranged between the first pump body 1 and the second pump body 2, the outer walls of the first pump body 1 and the second pump body 2 are provided with an observation mechanism and a clamping mechanism, and the first pump body 1 and the second pump body 2 form a main pump body.
The split scraper pump capable of assisting the motor in running can be used for conveying liquid, and compared with a common scraper pump, the split scraper pump provided by the invention has the advantages that blades inside can be replaced, the scraper pump can be conveniently dismounted and maintained daily, the inside can be protected, the internal pressure is prevented from being too high, and the like.
In a possible embodiment, the transmission mechanism includes a rotating shaft 21, an oil outlet 22, an oil inlet 23, a mounting block 24, a pump blade 25, a clamping block 26, a sliding groove 27 and a sealing strip 28, the rotating shaft 21 penetrates through the second pump body 2 and is connected with the second pump body 2 and the first pump body 1, the oil outlet 22 and the oil inlet 23 are both connected with the main pump body, the sliding groove 27 is arranged in the second pump body 2, the mounting block 24 is located in the sliding groove 27 and is connected with the second pump body 2 and the first pump body 1, the clamping block 26 is connected with the pump blade 25, the clamping block 26 is connected with the mounting block 24, and the sealing sleeve is connected with the first pump body 1 and the second pump body 2.
Through setting up drive mechanism and can conveniently carrying out the transmission to the liquid in the pump body, and can be convenient for change inside blade to can be according to the blade transmission of carrying out inside liquid of difference, and then can guarantee to scrape the use of vane pump stable, further can avoid motor 4 reversal to lead to inside liquid backward flow, thereby can guarantee that liquid is in the steady transmission of impeller pump effect down.
In a possible embodiment, and the rotating shaft 21 is able to rotate with respect to the first pump body 1 and the second pump body 2.
In a possible embodiment, the mounting block 24 has a limiting groove, the pumping blade 25 is located in the limiting groove and contacts with the mounting block 24, and the pumping blade 25 can move relative to the mounting block 24, the first pump body 1 and the second pump body 2 are both provided with mounting grooves, and the sealing strip 28 is located in the mounting grooves and contacts with the first pump body 1 and the second pump body 2.
The fixture block 26 can be conveniently fixed by arranging the limiting groove, so that the scraper pump can be replaced and clamped, and the internal pump blade 25 can be conveniently replaced.
In one possible embodiment, the pumping vanes 25 are triangular in shape.
The flow of liquid can be ensured all the time by setting the shape of the pump blade 25 to be triangular, and the flow of liquid can be accelerated in the process of starting the motor 4, thereby ensuring the rapid flow of liquid.
In a possible embodiment, the protection mechanism comprises an oil inlet pipe 31, a safety valve 32, an on-off valve 33 and an oil outlet pipe 34, the oil inlet pipe 31 is connected with the oil inlet 23, the safety valve 32 is connected with the oil inlet pipe 31, the on-off valve 33 is connected with the safety valve 32, and the oil outlet pipe 34 is connected with the oil outlet 22.
Can conveniently carry out pressure detection to the driven liquid in the pump body through setting up protection mechanism and judge to can guarantee the stability of the inside transmission liquid of the pump body, and then can protect inside spare part, can not be too high in order to guarantee inside fluid pressure, further can guarantee the inside steady operation of pump.
In a possible embodiment, the oil inlet pipe 31 communicates with the oil inlet 23, the oil outlet pipe 34 communicates with the oil outlet 22, the oil inlet pipe 31, the safety valve 32, the on-off valve 33, and the oil outlet pipe 34 are disposed in communication, and the safety valve 32 can regulate the safety pressure.
Through setting up relief valve 32, can be when the pressure in inside surpasss the predetermined value, will advance oil pipe 31 and go out oil pipe 34 intercommunication to can conveniently carry out the pressure release, protect the pump body.
In a possible embodiment, the clamping mechanism includes a first fixing plate 41, a second fixing plate 42, a limiting rod 43, a connecting frame 44 and a limiting block 45, the first fixing plate 41 is connected with the first pump body 1, the second fixing plate 42 is connected with the second pump body 2, the limiting rod 43 is connected with the first fixing plate 41 and the second fixing plate 42, the connecting frame 44 is connected with the limiting block 45, and the limiting block 45 is connected with the limiting rod 43.
Can conveniently fix the first pump body 1 and the second pump body 2 through setting up clamping mechanism to can be quick carry out the dismouting to the first pump body 1 and the second pump body 2, with the change of the daily maintenance of convenient scraper pump and inside pump blade 25, and can press from both sides tightly the sealed of the first pump body 1 between the second pump body 2, further assurance scraper pump's normal work.
In a possible embodiment, the limiting rod 43 is provided with a slot, the limiting block 45 is connected with the slot, and the limiting rod 43 can move relative to the first fixing plate 41 and the second fixing plate 42.
The first fixing plate 41 and the second fixing plate 42 can be limited by arranging the limiting rod 43, so that the connection between the first pump body 1 and the second pump body 2 can be ensured, and the stability in the liquid transmission process is further ensured.
The power mechanism comprises a rotor 51, a plunger 52 and a connecting plate 53, wherein the rotor 51 is positioned in the motor 4 and connected with the rotating shaft 21, the plunger 52 is positioned in the rotor 51 and can move relative to the rotor 51, and the connecting plate 53 is connected with the plunger 52.
The power mechanism is arranged, so that the motor 4 can be conveniently rotated and the pump blade 25 is driven to rotate, the power of the motor 4 is converted into the power of the pump blade 25, and when the plunger 52 reaches the most limit position, the inner liquid can push the rotor 51 to generate electricity, so that the power loss of the motor 4 is reduced.
In addition, the invention also provides a working principle of the split type scraper pump capable of assisting the motor to operate, when the split type scraper pump is used, the motor 4 rotates to drive the rotating shaft 21 to rotate, the rotating shaft 21 rotates to drive the rotor 51 to rotate, the rotor 51 drives the plunger 52 to rotate, the motor 4 rotates and simultaneously drives the pump blade 25 to rotate, liquid is pumped into the motor 4, the liquid pushes the plunger 52 to move after entering the motor 4, and when the plunger 52 moves to a limit position, oil pushes the pump blade 25 to rotate, so that the rotor 51 can be assisted to rotate to generate electricity, and the electric power consumed by the motor 4 is saved. Drive pump blade 25 rotatory in the pivoted of motor 4, transmit liquid, thereby transmit liquid to oil-out 22 by oil inlet 23, in the in-process liquid that the scraper pump used can enter into safety valve 32 by advancing oil pipe 31, because the default pressure of safety valve 32, after inside liquid surpassed reservation pressure, liquid can flow to oil-out 22 by play oil pipe 34 after opening ooff valve 33, when dismantling, press from both sides first pump body 1 and second pump body 2 tightly, after extracting spacing block 45, first pump body 1 and second pump body 2 separate, thereby can be convenient for carry out the change and the maintenance of pump blade 25 to inside.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a split type scraper pump that can assist motor operation, includes the first pump body (1), the second pump body (2), mounting panel (3) and motor (4), its characterized in that: the motor (4) with the mounting panel (3) is connected, first pump body (1) is connected with the second pump body (2), drive mechanism and power unit have between the first pump body (1) and the second pump body (2), the outer wall of the first pump body (1) and the second pump body (2) has protection mechanism and clamping mechanism, the first pump body (1) and the second pump body (2) form the main pump body.
2. The split scraper pump capable of assisting the motor in running is characterized in that: the transmission mechanism comprises a rotating shaft (21), an oil outlet (22), an oil inlet (23), an installation block (24), pump blades (25), a clamping block (26), a sliding groove (27) and a sealing strip (28), wherein the rotating shaft (21) penetrates through the second pump body (2) and is connected with the second pump body (2) and the first pump body (1), the oil outlet (22) and the oil inlet (23) are connected with the main pump body, the sliding groove (27) is formed in the second pump body (2), the installation block (24) is located in the sliding groove (27) and is connected with the second pump body (2) and the first pump body (1), the clamping block (26) is connected with the pump blades (25), the clamping block (26) is connected with the installation block (24), and a sealing sleeve is connected with the first pump body (1) and the second pump body (2).
3. The split scraper pump capable of assisting the motor in running is characterized in that: the rotating shaft (21) can rotate relative to the first pump body (1) and the second pump body (2).
4. The split scraper pump capable of assisting the motor in running is characterized in that: installation piece (24) have the spacing groove, pump blade (25) be located the spacing inslot and with installation piece (24) contact, just pump blade (25) can for installation piece (24) remove, the mounting groove has all been seted up to the first pump body (1) and second pump body (2), sealing strip (28) are located in the mounting groove and with the contact of the first pump body (1) and second pump body (2).
5. The split scraper pump capable of assisting the motor in running is characterized in that: the shape of the pump blade (25) is quadrilateral or triangular.
6. The split scraper pump capable of assisting the motor in running is characterized in that: the protection mechanism comprises an oil inlet pipe (31), a safety valve (32), a switch valve (33) and an oil outlet pipe (34), wherein the oil inlet pipe (31) is connected with the oil inlet (23), the safety valve (32) is connected with the oil inlet pipe (31), the switch valve (33) is connected with the safety valve (32), and the oil outlet pipe (34) is connected with the oil outlet (22).
7. The split scraper pump capable of assisting the motor in running is characterized in that: the oil inlet pipe (31) is communicated with the oil inlet (23), the oil outlet pipe (34) is communicated with the oil outlet (22), the oil inlet pipe (31), the safety valve (32), the switch valve (33) and the oil outlet pipe (34) are communicated, and the safety valve (32) can adjust safety pressure.
8. The split scraper pump capable of assisting the motor in running is characterized in that: clamping mechanism includes first fixed plate (41), second fixed plate (42), gag lever post (43), connection frame (44) and stopper (45), first fixed plate (41) with the first pump body (1) is connected, second fixed plate (42) with the second pump body (2) is connected, gag lever post (43) with first fixed plate (41) and second fixed plate (42) are connected, connection frame (44) with stopper (45) are connected, just stopper (45) with gag lever post (43) are connected.
9. The split scraper pump capable of assisting the motor in operating according to claim 8, characterized in that: the limiting rod (43) is provided with a clamping groove, the limiting block (45) is clamped with the clamping groove, and the limiting rod (43) can move relative to the first fixing plate (41) and the second fixing plate (42).
10. The split scraper pump capable of assisting the motor in running is characterized in that: the power mechanism comprises a rotor (51), a plunger (52) and a connecting plate (53), the rotor (51) is located in the motor (4) and connected with the rotating shaft (21), the plunger (52) is located in the rotor (51), the plunger (52) can move relative to the rotor (51), and the connecting plate (53) is connected with the plunger (52).
CN202110885363.8A 2021-08-03 2021-08-03 Split type scraper pump capable of assisting operation of motor Pending CN113819055A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN202110885363.8A CN113819055A (en) 2021-08-03 2021-08-03 Split type scraper pump capable of assisting operation of motor
LU502355A LU502355B1 (en) 2021-08-03 2021-08-06 Split-body scraper pump capable of aiding motor operation
PCT/CN2021/111183 WO2022110892A2 (en) 2021-08-03 2021-08-06 Split-body scraper pump capable of aiding motor operation
ZA2022/02614A ZA202202614B (en) 2021-08-03 2022-03-01 Split-type vane pump capable of assisting in operation of motors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110885363.8A CN113819055A (en) 2021-08-03 2021-08-03 Split type scraper pump capable of assisting operation of motor

Publications (1)

Publication Number Publication Date
CN113819055A true CN113819055A (en) 2021-12-21

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CN202110885363.8A Pending CN113819055A (en) 2021-08-03 2021-08-03 Split type scraper pump capable of assisting operation of motor

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CN (1) CN113819055A (en)
LU (1) LU502355B1 (en)
WO (1) WO2022110892A2 (en)
ZA (1) ZA202202614B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104454018A (en) * 2014-11-29 2015-03-25 白明 Rotary power machine
CN207795560U (en) * 2018-01-30 2018-08-31 兴城市石油机械有限公司 Portable electric self-priming gasoline pump
CN109826789A (en) * 2019-02-21 2019-05-31 徐顺利 A kind of energy conservation adjustable vane pump
DE102019110762A1 (en) * 2019-04-25 2020-10-29 Hoerbiger Automotive Komfortsysteme Gmbh Slot-controlled radial piston pump
CN210014200U (en) * 2019-05-29 2020-02-04 赛默新能源科技(济宁)有限公司 Electronic engine oil pump
CN110685900B (en) * 2019-10-10 2021-01-01 中国民航大学 Sliding vane pump with arc-shaped sliding vane structure
CN213298300U (en) * 2020-10-28 2021-05-28 大连威能泵业有限公司 MC type horizontal multistage pump with quick assembly disassembly structure

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WO2022110892A2 (en) 2022-06-02
WO2022110892A3 (en) 2022-07-07
LU502355B1 (en) 2022-12-28

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