CN111336103A - Mechanical partition plate double-cam displacement pump - Google Patents
Mechanical partition plate double-cam displacement pump Download PDFInfo
- Publication number
- CN111336103A CN111336103A CN202010297621.6A CN202010297621A CN111336103A CN 111336103 A CN111336103 A CN 111336103A CN 202010297621 A CN202010297621 A CN 202010297621A CN 111336103 A CN111336103 A CN 111336103A
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- China
- Prior art keywords
- double
- rotor
- cam
- partition plate
- displacement pump
- 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.)
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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
- F04C2/30—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
- F04C2/356—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 outer member
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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
-
- 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
-
- 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
- F04C2240/20—Rotors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention relates to the technical field of displacement pumps, in particular to a mechanical partition plate double-cam displacement pump which is used for solving the problems of abrasion and high noise between a rotor and a scraping plate of the displacement pump in the prior art. The double-cam-wheel-rotor-type water pump comprises a pump body, wherein a water inlet and a water outlet which are communicated with each other are formed in the pump body, a double-cam-wheel rotor and a partition plate are installed in the pump body, the partition plate can move up and down in the vertical direction along with the rotation of the double-cam-wheel rotor, and a gap is reserved between the partition plate and the double-cam-wheel rotor. In the invention, the partition plate can move up and down in the vertical direction along with the rotation of the double-cam rotor, and a gap is reserved between the partition plate and the double-cam rotor, so when the displacement pump works, the double-cam rotor and the partition plate can not be contacted all the time, friction can not exist between the double-cam rotor and the partition plate, and meanwhile, the collision between the double-cam rotor and the partition plate can be reduced, so that the abrasion between the double-cam rotor and the partition plate can be greatly reduced, and the noise of the displacement pump can be further reduced.
Description
Technical Field
The invention relates to the technical field of displacement pumps, in particular to a double-cam displacement pump, and more particularly relates to a mechanical partition plate double-cam displacement pump.
Background
The displacement pump is a pump which makes the volumes of a plurality of working cavities in the pump body periodically change by means of reciprocating motion or rotary motion of working members such as a piston, a plunger, a diaphragm, a gear or a blade in the pump body, so as to alternately suck and discharge liquid, and the medium of the displacement pump can be high-viscosity liquid, low-viscosity liquid and gas-liquid mixed fluid.
The positive displacement pump in the prior art comprises a shell, wherein a main rotor and an auxiliary rotor are supported in the shell through a bearing, at least three grooves are uniformly distributed in the auxiliary rotor, scraping pieces matched with the grooves are uniformly distributed on the circumference of the main rotor, and the quantity of the scraping pieces is equal to that of the grooves.
The scraping blade on the main rotor is positioned in the groove on the auxiliary rotor in the displacement pump, when the displacement pump works, the main rotor and the auxiliary rotor in the shell rotate simultaneously, friction is easily generated between the scraping blade and the groove when the main rotor and the auxiliary rotor rotate, so that the friction between the main rotor and the auxiliary rotor is accelerated, and certain noise can be generated between the scraping blade and the groove in the friction process. To reduce the above problems of friction and noise in displacement pumps, we propose a double cam displacement pump.
Disclosure of Invention
Based on the problems, the invention provides a mechanical partition plate double-cam displacement pump, which is used for solving the problems of abrasion and high noise between a rotor and a scraping plate of the displacement pump in the prior art.
The invention specifically adopts the following technical scheme for realizing the purpose:
mechanical baffle double cam positive displacement pump, including the pump body, it has water inlet and the delivery port of intercommunication each other to open on the pump body, install double cam rotor and baffle in the pump body, the baffle can reciprocate in vertical direction along with the rotation of double cam rotor, and leaves the clearance between baffle and double cam rotor.
As a preferred mode, the pump body is internally provided with a working cavity and a power cavity, the double-cam rotor is installed in the working cavity, a rotatable eccentric wheel is installed in the power cavity, a top plate which is located below the eccentric wheel and is in contact with the eccentric wheel is further arranged in the power cavity, the partition plate is connected with the bottom surface of the top plate, and an elastic element which is located on the bottom surface of the top plate is further installed in the pump body.
Preferably, the elastic element is a spring.
In a preferred mode, the rotating speed of the double-cam rotor and the eccentric wheel is 1: 2.
Preferably, lubricating oil is arranged in the power cavity.
The invention has the following beneficial effects:
(1) the partition plate can move up and down in the vertical direction along with the rotation of the double-cam rotor, and a gap is reserved between the partition plate and the double-cam rotor, so that when the displacement pump works, the double-cam rotor and the partition plate are not contacted all the time, friction does not exist between the double-cam rotor and the partition plate, and meanwhile, collision between the double-cam rotor and the partition plate can be reduced, so that abrasion between the double-cam rotor and the partition plate can be greatly reduced, and further, the noise of the displacement pump can be reduced.
(2) In the invention, only the double-cam rotor rotates in the working cavity, and when fluid enters the working cavity, the fluid is driven by the rotation of the double-cam rotor, so that the mutual collision among the fluid can be reduced, and the flow loss of the fluid can be reduced.
(3) The lubricating oil is arranged in the power cavity, and the lubricating oil can reduce friction generated when the eccentric wheel rotates in the power cavity, so that the abrasion of the displacement pump during working can be further reduced.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A in accordance with the present invention;
reference numerals: the pump comprises a pump body 1, a working cavity 101, a water inlet 102, a power cavity 103, a water outlet 104, a gap 105, a double-cam rotor 2, a partition plate 3, a top plate 4, an eccentric wheel 5 and an elastic element 6.
Detailed Description
For a better understanding of the present invention by those skilled in the art, the present invention will be described in further detail below with reference to the accompanying drawings and the following examples.
Example (b):
as shown in fig. 1-2, the mechanical diaphragm double-cam displacement pump includes a pump body 1, a water inlet 102 and a water outlet 104 which are communicated with each other are opened on the pump body 1, a double-cam rotor 2 and a diaphragm 3 are installed in the pump body 1, the diaphragm 3 can move up and down in the vertical direction along with the rotation of the double-cam rotor 2, and a gap 105 is left between the diaphragm 3 and the double-cam rotor 2.
The working principle is as follows: when the double-cam rotor 2 rotates in the pump body 1, a high-pressure area and a low-pressure area are periodically formed in the pump body 1, fluid is sucked in by using low pressure, fluid is extruded by using high pressure, the fluid enters the working cavity 101 from the water inlet 102, and the fluid finally flows out of the pump body 1 from the water outlet 104 under the driving of the double-cam rotor 2, so that power is generated to enable the pump to normally work.
During the rotation of the double cam rotor 2, the partition 3 moves up and down regularly with the rotation of the double cam rotor 2. In the process, the double cam rotor 2 and the partition plate 3 always keep a certain gap 105, and the gap 105 reaches a critical state that the double cam rotor 2 and the partition plate 3 are in mutual contact, namely a state that the double cam rotor 2 and the partition plate 3 are in immediate contact but are not in contact, and the gap can be between 0.1 mm and 0.5 mm. Double cam rotor 2 in this application just is equivalent to the vice rotor among the background art, and baffle 3 is just equivalent to the doctor-bar among the background art, and through above-mentioned technical scheme, the displacement pump is at the in-process of work, and double cam rotor 2 can not contact with baffle 3 all the time, just can not have the friction between double cam rotor 2 and baffle 3 to the wearing and tearing of reduction double cam rotor 2 that can be very big and baffle 3, and then reduce the noise of this displacement pump.
To further explain why the twin lobe rotor 2 and the diaphragm 3 are not in contact at all times during the operation of the displacement pump, a certain gap 105 is always left, the following technical solutions are provided:
a working cavity 101 and a power cavity 103 are formed in the pump body 1, the double-cam rotor 2 is installed in the working cavity 101, a rotatable eccentric wheel 5 is installed in the power cavity 103, a top plate 4 which is located below the eccentric wheel 5 and is in contact with the eccentric wheel 5 is further arranged in the power cavity 103, the partition plate 3 is connected with the bottom surface of the top plate 4, an elastic element 6 which is located on the bottom surface of the top plate 4 is further installed in the pump body 1, and the elastic element 6 can be a spring.
The double-cam rotor 2 and the eccentric wheel 5 synchronously rotate at the rotating speed of 1: 2, when the eccentric wheel 5 rotates, the eccentric wheel 5 can regularly move the top plate 4 downwards in rhythm, when the top plate 4 moves downwards, the partition plate 3 can be driven to move downwards, and the spring is compressed in the process; when the eccentric wheel 5 rotates to a certain position, the eccentric wheel 5 does not give the top plate 4 downward pressure any more, and the spring positioned on the bottom surface of the top plate 4 has the tendency of recovering the original state, so the spring can give the top plate 4 upward elastic force, thereby the top plate 4 drives the partition plate 3 to move upwards, and finally the partition plate 3 is driven to move up and down in the vertical direction. In a word, the rotating speed of the double-cam rotor 2 and the rotating speed of the eccentric wheel 5 are 1: 2, so that the partition plate 3 always keeps a certain gap with the double-cam rotor 2 and the top plate 4 always contacts with the eccentric wheel 5 in the working process of the displacement pump.
In order to further reduce the abrasion of the displacement pump during working, lubricating oil can be arranged in the power cavity 103, and the top plate 4 can separate the power cavity 103 from the working cavity 101, so that the lubricating oil in the power cavity 103 cannot enter the working cavity 101, and the lubricating oil can reduce the friction generated when the eccentric wheel rotates in the power cavity.
In order to realize the rotation of the double-cam rotor 2 and the eccentric wheel 5, an upper rotating shaft is further installed on the end face of the eccentric wheel 5, a lower rotating shaft is installed on the end face of the double-cam rotor 2, and a linkage mechanism is installed between the upper rotating shaft and the lower rotating shaft and can be gear linkage, chain wheel linkage and synchronous belt linkage.
When the linkage mechanism is in gear linkage, the linkage mechanism comprises a driving gear arranged on the lower rotating shaft and a driven gear arranged on the upper rotating shaft, a linkage shaft is further arranged in the pump body 1, and the linkage shaft is provided with a linkage gear which is meshed with the driving gear and the driven gear.
The power device drives the lower rotating shaft to rotate like a rotating motor, the lower rotating shaft can drive the driving gear to rotate when driving the double-cam rotor to rotate, the driving gear rotates to drive the linkage gear to rotate, the linkage gear rotates to drive the driven gear to rotate, the driven gear drives the upper rotating shaft to rotate, and the upper rotating shaft drives the eccentric wheel to rotate, so that the purpose of rotating the double-cam rotor and the eccentric wheel can be achieved. How to realize synchronous rotation of the double-cam rotor 2 and the eccentric wheel 5 in a ratio of 1: 2 can be realized by adjusting the gear ratio example among the driving gear, the linkage gear and the driven gear, and the gear linkage is mainly applied to liquid with high viscosity due to large torque, accurate transmission ratio and high transmission efficiency.
When the linkage mechanism is in chain wheel linkage, the linkage mechanism comprises a driving chain wheel arranged on the lower rotating shaft and a driven chain wheel arranged on the upper rotating shaft, and the driving chain wheel is connected with the driven chain wheel through a chain.
Power device for example the rotating electrical machines drives down the pivot rotatory, and lower pivot can drive the drive sprocket rotatory when driving the rotation of double cam rotor 2, and the drive sprocket is rotatory to be driven the sprocket rotation again through the chain and is rotatory, and driven sprocket drives the rotation of last pivot again, and it is rotatory to go up the pivot and drive eccentric wheel 5 again, can realize the purpose of double cam rotor 2 and eccentric wheel 5 rotation like this. How to realize the synchronous rotation of the double-cam rotor 2 and the eccentric wheel 5 in a ratio of 1: 2 can be realized by designing the size of a transition circle of a driving chain wheel and a driven chain wheel. The chain wheel linkage is not limited by space, the noise of the medium-speed running is low, the torque is smaller than that of the gear, and the chain wheel linkage is suitable for the purposes of low viscosity, clear water, low lift and the like.
When the linkage mechanism is in synchronous belt linkage, the linkage mechanism comprises a lower belt pulley arranged on the lower rotating shaft and an upper belt pulley arranged on the upper rotating shaft, and the lower belt pulley is connected with the upper belt pulley through a synchronous belt.
Power device for example the rotating electrical machines drives down the pivot rotatory, and lower pivot can drive down the belt pulley rotatory when driving the rotation of biconvex wheel rotor 2, and it is rotatory to drive belt pulley through the hold-in range again that belt pulley is rotatory down, and it is rotatory to drive the upper spindle again on the belt pulley, and it is rotatory to drive eccentric wheel 5 again to go up the pivot, can realize the purpose of twin cam rotor 2 and eccentric wheel 5 rotation like this. How to realize the synchronous rotation of the double-cam rotor 2 and the eccentric wheel 5 in a ratio of 1: 2 can be realized by designing the size of the transition circle of the lower belt wheel and the upper belt wheel, the synchronous belt linkage has no noise, the rotating speed is high, the torque is small, and the double-cam rotor synchronous rotating device is suitable for gas-liquid mixed fluid.
The above is an embodiment of the present invention. The embodiments and specific parameters in the embodiments are only for the purpose of clearly illustrating the verification process of the invention and are not intended to limit the scope of the invention, which is defined by the claims, and all equivalent structural changes made by using the contents of the specification and the drawings of the present invention should be covered by the scope of the present invention.
Claims (5)
1. Mechanical baffle double cam positive displacement pump, including the pump body (1), it has water inlet (102) and delivery port (104) of intercommunication each other to open on the pump body (1), its characterized in that: install double cam rotor (2) and baffle (3) in the pump body (1), baffle (3) can reciprocate in vertical direction along with the rotation of double cam rotor (2), and leave clearance (105) between baffle (3) and double cam rotor (2).
2. The mechanical diaphragm dual cam positive displacement pump of claim 1, wherein: working chamber (101) and power chamber (103) have been seted up in the pump body (1), install in working chamber (101) biconvex wheel rotor (2), install rotatable eccentric wheel (5) in power chamber (103), still be equipped with in power chamber (103) and be located eccentric wheel (5) below and with roof (4) of eccentric wheel (5) contact, baffle (3) are connected with the bottom surface of roof (4), still install elastic element (6) that are located roof (4) bottom surface in the pump body (1).
3. The mechanical diaphragm dual cam positive displacement pump of claim 2, wherein: the elastic element (6) is a spring.
4. The mechanical diaphragm dual cam positive displacement pump of claim 2, wherein: the rotating speed of the double-cam rotor (2) and the eccentric wheel (5) is 1: 2.
5. The mechanical diaphragm dual cam positive displacement pump of any one of claims 2 to 4, wherein: lubricating oil is arranged in the power cavity (10).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010297621.6A CN111336103A (en) | 2020-04-15 | 2020-04-15 | Mechanical partition plate double-cam displacement pump |
| PCT/CN2021/086781 WO2021208874A1 (en) | 2020-04-15 | 2021-04-13 | Mechanical partition dual cam volumetric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010297621.6A CN111336103A (en) | 2020-04-15 | 2020-04-15 | Mechanical partition plate double-cam displacement pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111336103A true CN111336103A (en) | 2020-06-26 |
Family
ID=71181158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010297621.6A Pending CN111336103A (en) | 2020-04-15 | 2020-04-15 | Mechanical partition plate double-cam displacement pump |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111336103A (en) |
| WO (1) | WO2021208874A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208874A1 (en) * | 2020-04-15 | 2021-10-21 | 四川洪量联创科技有限公司 | Mechanical partition dual cam volumetric pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2156303Y (en) * | 1993-03-15 | 1994-02-16 | 殷参 | Plunger pump transmission device |
| US20040089146A1 (en) * | 2001-10-15 | 2004-05-13 | Antonio Diaferia | Pump element and piston pump for generating high fuel pressure |
| CN201176936Y (en) * | 2008-03-24 | 2009-01-07 | 孙宏伟 | Compressor |
| CN104632286A (en) * | 2014-01-03 | 2015-05-20 | 摩尔动力(北京)技术股份有限公司 | Circular cylinder radial fluid isolation mechanism and device comprising same |
| CN104675438A (en) * | 2014-01-22 | 2015-06-03 | 摩尔动力(北京)技术股份有限公司 | Radial multi-stage fluid mechanism and device comprising same |
| CN104727934A (en) * | 2014-02-02 | 2015-06-24 | 摩尔动力(北京)技术股份有限公司 | Radial multistage fluid-channeling-prevention fluid mechanism and device with same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1554156A (en) * | 1976-06-09 | 1979-10-17 | Gec Elliott Mech Handling | Rotary positive displacement hydraulic machines |
| CN212055108U (en) * | 2020-04-15 | 2020-12-01 | 四川洪量联创科技有限公司 | Mechanical baffle single cam displacement pump |
| CN111336103A (en) * | 2020-04-15 | 2020-06-26 | 四川洪量联创科技有限公司 | Mechanical partition plate double-cam displacement pump |
| CN212155138U (en) * | 2020-04-15 | 2020-12-15 | 四川洪量联创科技有限公司 | Mechanical partition plate sprocket type double-cam displacement pump |
-
2020
- 2020-04-15 CN CN202010297621.6A patent/CN111336103A/en active Pending
-
2021
- 2021-04-13 WO PCT/CN2021/086781 patent/WO2021208874A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2156303Y (en) * | 1993-03-15 | 1994-02-16 | 殷参 | Plunger pump transmission device |
| US20040089146A1 (en) * | 2001-10-15 | 2004-05-13 | Antonio Diaferia | Pump element and piston pump for generating high fuel pressure |
| CN201176936Y (en) * | 2008-03-24 | 2009-01-07 | 孙宏伟 | Compressor |
| CN104632286A (en) * | 2014-01-03 | 2015-05-20 | 摩尔动力(北京)技术股份有限公司 | Circular cylinder radial fluid isolation mechanism and device comprising same |
| CN104675438A (en) * | 2014-01-22 | 2015-06-03 | 摩尔动力(北京)技术股份有限公司 | Radial multi-stage fluid mechanism and device comprising same |
| CN104727934A (en) * | 2014-02-02 | 2015-06-24 | 摩尔动力(北京)技术股份有限公司 | Radial multistage fluid-channeling-prevention fluid mechanism and device with same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208874A1 (en) * | 2020-04-15 | 2021-10-21 | 四川洪量联创科技有限公司 | Mechanical partition dual cam volumetric pump |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021208874A1 (en) | 2021-10-21 |
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