CN113623201B

CN113623201B - Rotor pump rotor with corrosion-resistant rubber lining

Info

Publication number: CN113623201B
Application number: CN202111105982.7A
Authority: CN
Inventors: 魏陈科; 杨志程; 孟张超
Original assignee: Zhejiang Dongge Machinery Equipment Co ltd
Current assignee: Zhejiang Dongge Machinery Equipment Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2023-04-18
Anticipated expiration: 2041-09-22
Also published as: CN113623201A

Abstract

The utility model provides a rotor pump rotor with corrosion resistant lining is glued, belongs to rotor pump technical field, installs in the rotor pump shell, includes: the cooling oil in the oil storage cavity flows back to the oil storage cavity through an oil pipe arranged in the rotor body so as to cool the rotor body; the circulating assembly is arranged between the rotor pump shell and the rotor body and is used for driving cooling oil in a closed space formed by the oil pipe and the oil storage cavity to circularly flow; the bottom plate is fixedly connected with the rotor pump shell; the cooling mechanism is arranged on the bottom plate and is rotationally connected with the rotor body, and cools the cooling oil in the oil storage cavity in the process that the cooling oil circularly flows to cool the rotor body in the working state, so that the rotor of the rotor pump is cooled in the working process of the rotor pump.

Description

Rotor pump rotor with corrosion-resistant rubber lining

Technical Field

The invention belongs to the technical field of rotor pumps, and particularly relates to a rotor pump rotor with corrosion-resistant rubber lining.

Background

The rotor pump is a pump in which the working volume is changed by the relative movement between a rotor and a pump body, and the energy of liquid is increased. The gerotor pump is a rotary positive displacement pump having a positive displacement nature with a flow rate that does not vary with back pressure.

A gerotor pump is one form of a positive displacement pump. It is composed of rotary rotor and stationary pump body, it has no suction and discharge valves, and utilizes the relative movement between rotor and pump body to change working volume, and utilizes the extrusion action of rotary rotor to discharge liquid, at the same time, it leaves a space on another side to form low pressure so as to make the liquid continuously suck.

In the running process of the rotor pump, the temperature of a bearing cannot exceed 35 ℃ of the ambient temperature, the highest temperature cannot exceed 80 ℃, so that the application of the rotor pump is greatly limited compared with that of a traditional centrifugal pump, in order to enable the adaptability of the rotor pump during working to be stronger, the rotor pump rotor with the corrosion-resistant lining rubber is provided, even if higher temperature rise is generated during working of the rotor pump, stable working can be achieved, and the practicability of the rotor pump can be improved.

Disclosure of Invention

The invention mainly solves the technical problems in the prior art and provides a rotor pump rotor with corrosion-resistant lining rubber.

The technical problem of the invention is mainly solved by the following technical scheme: a rotor pump rotor with corrosion-resistant lining rubber, which is installed in a rotor pump housing, comprises;

the cooling oil in the oil storage cavity flows back to the oil storage cavity through an oil pipe arranged in the rotor body so as to cool the rotor body in a working state;

the circulating assembly is arranged between the rotor pump shell and the rotor body and is used for driving cooling oil in a closed space formed by the oil pipe and the oil storage cavity to circularly flow;

the bottom plate is fixedly connected with the rotor pump shell;

the cooling mechanism is arranged on the bottom plate and is rotationally connected with the rotor body, and the cooling oil in the oil storage cavity is cooled by the cooling mechanism in the process that the rotor body in the working state is cooled by the circulating flow of the cooling oil.

Preferably, the cooling mechanism is connected with the rotor body through a transmission assembly, and the transmission assembly comprises a first gear fixedly connected with the rotor body, a second gear meshed with the first gear and rotatably arranged on the bottom plate, and a bevel gear group fixedly connected with a rotating shaft of the second gear;

the mounting plate is fixedly mounted on the bottom plate, and the first gear and the second gear are rotatably mounted on the mounting plate;

the bevel gear set is connected with the cooling mechanism through a first belt.

Preferably, the cooling mechanism comprises a liquid pump connected with the bevel gear set through the first belt and fixedly mounted on the bottom plate, a water tank connected with the liquid pump through a conduit and communicated with the liquid pump, and a follow-up component wound with the conduit and attached to the rotor body.

Preferably, the follow-up assembly comprises two limit rings fixedly mounted on the rotor body and a rotating sleeve rotatably mounted on the rotor body and located between the two limit rings;

wherein, the rotating sleeve passes through the mounting panel with the bottom plate is rotated and is connected, just it has to be the heliciform winding on the rotating sleeve the pipe.

Preferably, the circulating assembly comprises a power structure arranged between the rotor pump shell and the rotor body and an impeller which is connected with the power structure through a second belt and is rotatably installed in the oil pipe.

Preferably, the power structure comprises a toothed ring fixedly mounted on the rotor pump shell and a third gear symmetrically and rotatably mounted on the rotor body and meshed with the toothed ring, and the third gear is connected with the impeller through the second belt.

Preferably, the edge of the part of the rotor body, which is located in the rotor pump shell, is provided with lining rubber.

Preferably, the oil storage chamber is communicated with the outside through an openable and closable pipeline and is used for replacing or filling cooling oil.

The invention has the following beneficial effects: because the temperature of the existing rotor pump can rise when the existing rotor pump works, the temperature of a bearing of the existing rotor pump cannot exceed 35 ℃ of the ambient temperature, and the highest temperature of the existing rotor pump cannot exceed 80 ℃, so that the use of the rotor pump is greatly limited, a circulating assembly is arranged, cooling oil in an oil storage cavity is pumped into the rotor by an oil pipe and flows back to the oil storage cavity, circulating cooling is realized, meanwhile, a cooling mechanism is arranged outside the rotor, the cooling mechanism pumps cold water to the outside of the oil storage cavity of the rotor, and the temperature of the cooling oil is reduced through heat exchange, so that a stable working temperature can be ensured when the rotor pump works, and the adaptability of the rotor pump is improved.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged schematic view of section B of FIG. 1;

fig. 4 is a schematic view of the matching relationship between the rotor body, the limiting ring and the rotating sleeve in the present invention.

In the figure: 1. a base plate; 2. a rotor pump housing; 3. a rotor body; 4. an oil storage chamber; 5. a limiting ring; 6. rotating the sleeve; 7. mounting a plate; 8. a first gear; 9. a second gear; 10. a bevel gear set; 11. a liquid pump; 12. a water tank; 13. a conduit; 14. an oil pipe; 15. lining with rubber; 16. a toothed ring; 17. a third gear; 18. an impeller; 19. a first belt; 20. no. two belts.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

Example (b): a rotor pump rotor with erosion-resistant lining rubber, as shown in fig. 1 to 4, which is mounted in a rotor pump casing 2, includes;

the cooling oil pump comprises a rotor body 3, wherein an oil storage cavity 4 is formed in the rotor body 3, and cooling oil in the oil storage cavity 4 flows back to the oil storage cavity 4 through an oil pipe 14 formed in the rotor body 3 so as to cool the rotor body 3 in a working state;

the circulating assembly is arranged between the rotor pump shell 2 and the rotor body 3 and is used for driving cooling oil in a closed space formed by the oil pipe 14 and the oil storage cavity 4 to circularly flow;

the bottom plate 1 is fixedly connected with the rotor pump shell 2;

and the cooling mechanism is arranged on the bottom plate 1 and is rotationally connected with the rotor body 3, and cools the cooling oil in the oil storage cavity 4 in the process that the rotor body 3 is cooled in the working state by the circulating flow of the cooling oil.

Set up the circulation subassembly, with the cooling oil in the oil storage chamber 4 by the oil pipe 14 pump sending to rotor body 3 in to flow back to the oil storage chamber 4 in, realize circulative cooling, rotor body 3 outside is provided with cooling body simultaneously, and cooling body reduces the temperature of cooling oil to the outside pump sending cold water in the oil storage chamber 4 of rotor body 3, through the heat exchange, in order to guarantee at rotor pump during operation, can have a stable operating temperature, improves its adaptability.

The rotor bodies 3 are provided with two groups (only one group is shown in the figure), and the two groups of rotor bodies 3 are mutually matched and interact with the interior of the rotor pump to change the volume of the interior of the rotor pump so as to form high pressure and low pressure, and the substances are sucked while being discharged.

The cooling mechanism is connected with the rotor body 3 through a transmission assembly, and the transmission assembly comprises a first gear 8 fixedly connected with the rotor body 3, a second gear 9 meshed with the first gear 8 and rotatably arranged on the bottom plate 1, and a bevel gear group 10 fixedly connected with a rotating shaft of the second gear 9;

the bottom plate 1 is fixedly provided with an installation plate 7, and the first gear 8 and the second gear 9 are rotatably installed on the installation plate 7;

the bevel gear set 10 is connected with the cooling mechanism through a first belt 19.

When rotor body 3 takes place to rotate for rotor pump housing 2, a gear 8 takes place to rotate along with rotor body 2, and a gear 8 and the rotation install No. two gears 9 intermeshing on mounting panel 7 to drive No. two gears 9 and rotate, and drive cooling body work through bevel gear group 10, a belt 19, form the heat exchange between with rotor body 3, reduce the cooling oil temperature.

Furthermore, the transmission ratio of the first gear 8 to the second gear 9 is greater than 1, so that acceleration is realized, and the normal work of the cooling mechanism is ensured.

The cooling mechanism comprises a liquid pump 11 which is connected with the bevel gear set 10 through the first belt 19 and is fixedly arranged on the bottom plate 1, a water tank 12 which is connected with the liquid pump 11 through a conduit 13 and is communicated with the liquid pump, and a follow-up component which is wound with the conduit 13 and is attached to the rotor body 3;

the bevel gear set 10 comprises a first bevel gear fixedly connected with a rotating shaft of the second gear 9 and a second bevel gear meshed with the first bevel gear and rotatably mounted on the mounting plate 7, and the second bevel gear is connected with the liquid pump 11 through the first belt 19;

the follow-up component comprises two limiting rings 5 fixedly arranged on the rotor body 3 and a rotating sleeve 6 rotatably arranged on the rotor body 3 and positioned between the two limiting rings 5;

wherein, the rotating sleeve 6 passes through the mounting panel 7 with the bottom plate 1 rotates to be connected, just it has to be the heliciform winding on the rotating sleeve 6 pipe 13.

When the second bevel gear rotates, the liquid pump 11 works to pump cold water in the water tank 12 to the guide pipe 13, the guide pipe 13 is spirally wound in the rotating sleeve 6, the contact area between the guide pipe 13 and the rotating sleeve 6 is increased, and heat exchange between the cold water in the guide pipe 13 and cooling oil in the oil storage cavity 4 is realized to the maximum extent, so that the temperature of the cooling oil is reduced in the working process of the rotor pump.

It should be noted that, the above-mentioned rotating sleeve 6 is rotatably disposed on the rotor body 3, and under the action of the two limiting rings 5, the moving range of the rotating sleeve 6 on the rotor body 3 is limited, so as to avoid the rotating sleeve 6 from displacing on the rotor body 3, which results in the heat exchange area between the rotating sleeve 6 and the cooling oil in the oil storage cavity 4 being reduced.

The circulating assembly comprises a power structure arranged between the rotor pump shell 2 and the rotor body 3, and an impeller 18 which is connected with the power structure through a second belt 20 and is rotatably installed in the oil pipe 14;

the power structure comprises a toothed ring 16 fixedly mounted on the rotor pump shell 2 and a third gear 17 symmetrically and rotatably mounted on the rotor body 3 and meshed with the toothed ring 16, and the third gear 17 is connected with the impeller 18 through a second belt 20.

When the rotor body 3 rotates, the third gear 17 makes a circular motion relative to the center of the toothed ring 16 and is meshed with the toothed ring 16, so that the third gear 17 rotates and drives the impeller 18 to rotate through the second belt 20, and the cooling oil in the oil storage cavity 4 is pumped to all parts of the rotor body 3 through the oil pipe 14 to be cooled.

It is to be noted that the outlet line diameter of the oil chamber 4 is the sum of the two return line diameters, and that a mount is mounted on the outlet line, on which the impeller 18 is rotatably mounted.

Specifically, the second belt 20 is disposed through the rotor body 3, and in order to prevent the cooling oil from leaking, the second belt 20 is exactly matched with the through hole disposed on the rotor body 3.

The edge of the rotor body 3 in the rotor pump shell 2 is provided with lining rubber 15.

The lining rubber 15 is made of rubber, the lining rubber 15 is adhered to the metal surface by using an adhesive, and a corrosive medium is separated from the metal matrix to achieve the purpose of protection

The oil storage chamber 4 is communicated with the outside through an openable pipeline and is used for replacing or filling cooling oil.

Through the pipeline, the cooling oil in the oil storage cavity can be replaced or filled when the cooling oil needs to be replaced or filled.

The principle of the invention is as follows: when the cooling oil pump is used, cooling oil is filled into the oil storage cavity 4, when the rotor body 3 rotates, the third gear 17 rotates under the action of the toothed ring 16, the second belt 20 drives the impeller 18 to rotate, the impeller 18 pumps the cooling oil in the oil storage cavity 4 to all positions of the rotor body 3 through the oil pipe 14 for cooling, and the back cooling oil flows back into the oil storage cavity 4, meanwhile, when the rotor body 3 rotates, the first gear 8 drives the second gear 9 to rotate, the second gear 9 drives the liquid pump 11 to work through the bevel gear set 10 and the first belt 19, cold water in the water tank 12 is pumped into the rotating sleeve 6 to exchange heat with high-temperature cooling oil in the oil storage cavity 4, and the back water flows back into the water tank 12.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. It is obvious that the invention is not limited to the embodiments described above, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.

Claims

1. A rotor pump rotor with erosion-resistant lining rubber, which is installed in a rotor pump casing (2), characterized in that the rotor pump rotor with erosion-resistant lining rubber comprises;

the rotor comprises a rotor body (3), wherein an oil storage cavity (4) is formed in the rotor body (3), and cooling oil in the oil storage cavity (4) flows back to the oil storage cavity (4) through an oil pipe (14) formed in the rotor body (3) so as to cool the rotor body (3) in a working state;

the circulating assembly is arranged between the rotor pump shell (2) and the rotor body (3) and is used for driving cooling oil in a closed space formed by the oil pipe (14) and the oil storage cavity (4) to circularly flow;

the bottom plate (1), the said bottom plate (1) is fixedly connected with outer casing of the said rotor pump (2);

the cooling mechanism is arranged on the bottom plate (1) and is rotationally connected with the rotor body (3), and cools the cooling oil in the oil storage cavity (4) in the process that the cooling oil circularly flows to cool the rotor body (3) in the working state;

the cooling mechanism is connected with the rotor body (3) through a transmission assembly, and the transmission assembly comprises a first gear (8) fixedly connected with the rotor body (3), a second gear (9) meshed with the first gear (8) and rotatably arranged on the bottom plate (1), and a bevel gear set (10) fixedly connected with a rotating shaft of the second gear (9);

the bottom plate (1) is fixedly provided with an installation plate (7), and the first gear (8) and the second gear (9) are rotatably installed on the installation plate (7);

the bevel gear set (10) is connected with the cooling mechanism through a first belt (19).

2. The rotor of a rotor pump with corrosion-resistant lining rubber according to claim 1, wherein the cooling mechanism comprises a liquid pump (11) connected with the bevel gear set (10) through the first belt (19) and fixedly installed on the bottom plate (1), a water tank (12) connected with the liquid pump (11) through a conduit (13) and communicated with the liquid pump, and a follow-up assembly wound with the conduit (13) and attached to the rotor body (3).

3. A rotor pump rotor with corrosion resistant lining rubber according to claim 2, characterized in that the follower assembly comprises two stop rings (5) fixedly mounted on the rotor body (3), a rotating sleeve (6) rotatably mounted on the rotor body (3) between the two stop rings (5);

wherein, the rotating sleeve (6) passes through the mounting plate (7) with the bottom plate (1) is connected with rotating, just it has to be the heliciform winding on the rotating sleeve (6) pipe (13).

4. A rotor pump rotor with corrosion resistant lining rubber according to claim 1, characterized in that the circulation assembly comprises a power structure arranged between the rotor pump casing (2) and the rotor body (3), an impeller (18) connected with the power structure by a second belt (20) and rotatably mounted in the oil pipe (14).

5. A rotor pump rotor with corrosion resistant lining glue according to claim 4, characterized in that said power structure comprises a toothed ring (16) fixedly mounted on the rotor pump casing (2), a third gear (17) symmetrically and rotatably mounted on the rotor body (3) and engaged with the toothed ring (16), said third gear (17) being connected to the impeller (18) through the second belt (20).

6. A rotor pump rotor with corrosion-resistant lining rubber according to claim 1, characterised in that the edge of the rotor body (3) in the rotor pump housing (2) is provided with lining rubber (15).

7. The rotor of a rotodynamic pump with a corrosion-resistant lining rubber in accordance with claim 1, wherein the oil storage chamber (4) communicates with the outside through an openable and closable pipe for replacing or filling cooling oil.