CN215521302U - Shielding pump for wind power generation and wind power generation system - Google Patents
Shielding pump for wind power generation and wind power generation system Download PDFInfo
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- CN215521302U CN215521302U CN202121734420.4U CN202121734420U CN215521302U CN 215521302 U CN215521302 U CN 215521302U CN 202121734420 U CN202121734420 U CN 202121734420U CN 215521302 U CN215521302 U CN 215521302U
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- impeller
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Abstract
The utility model relates to a shield pump for wind power generation and a wind power generation system, wherein the shield pump for wind power generation comprises a motor mechanism, a connecting and positioning mechanism, a pump body, an impeller, blades and a bearing wear monitoring instrument, wherein the motor mechanism comprises a rotor assembly and a bearing connected with the rotor assembly; the connecting and positioning mechanism is provided with an accommodating cavity, and one end of the connecting and positioning mechanism is connected with the motor mechanism; the pump body is connected with the other end of the connecting and positioning mechanism; the impeller comprises a hub and a wheel disc connected outside the hub, a runner is arranged on the wheel disc, and the hub is connected outside the rotor assembly; a first sealing ring is arranged between the wheel disc and the connecting and positioning mechanism; the impeller and the blades are arranged in the accommodating cavity, the blades are sleeved outside a hub of the impeller, and a second sealing ring is arranged between the blades and the hub; the bearing wear monitoring instrument is used for detecting the radial wear of the bearing. The shield pump for wind power generation has high efficiency, low power consumption, light weight and no need of manual regular detection.
Description
Technical Field
The utility model relates to the technical field of pumps, in particular to a shield pump for wind power generation and a wind power generation system.
Background
The pump for the wind power system is arranged at the top of an engine room of the wind power system, and a plurality of wind power systems are erected on a small offshore unmanned island or a grassland with larger wind power or among unmanned mountains, so that the pump is required to be small in size, light in weight, low in power consumption, free of leakage and maintenance, the centrifugal pump is easy to leak, needs to be maintained regularly and cannot meet the requirement, and the conventional shielding pump is low in efficiency, high in power consumption and large in weight, needs to be detected manually and regularly, and therefore cannot meet the requirement.
Therefore, a need exists for a canned motor pump for wind power generation to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a shield pump for wind power generation, which has high efficiency, low power consumption and light weight and does not need manual regular detection.
To achieve the above object, a first aspect of the present invention provides a canned motor pump for wind power generation, comprising:
the motor mechanism comprises a rotor assembly and a bearing connected with the rotor assembly;
the connecting and positioning mechanism is provided with an accommodating cavity, and one end of the connecting and positioning mechanism is connected with the motor mechanism;
the pump body is connected with the other end of the connecting and positioning mechanism;
the impeller comprises a hub and a wheel disc connected outside the hub, a runner is formed in the wheel disc, and the hub is connected outside the rotor assembly; a first sealing ring is arranged between the wheel disc and the connecting and positioning mechanism;
the impeller and the blades are arranged in the accommodating cavity, the blades are sleeved outside a hub of the impeller, and a second sealing ring is arranged between the blades and the hub;
and the bearing wear monitoring instrument is used for detecting the radial wear of the bearing.
Optionally, the first seal ring is in interference fit with the wheel disc.
Optionally, the second sealing ring is a rolled shaft sleeve.
Optionally, the canned motor pump for wind power generation further includes:
and the automatic exhaust valve is connected to one end, far away from the connecting and positioning mechanism, of the motor mechanism and used for exhausting the motor mechanism and the accommodating cavity.
Optionally, the pump body is sleeved outside the connecting and positioning mechanism, and a third sealing ring is arranged between the pump body and the connecting and positioning mechanism.
Optionally, the third sealing ring is an O-ring.
Optionally, the motor mechanism is connected with a junction box, and the bearing wear monitoring instrument is connected to the motor mechanism through the junction box.
Optionally, the number of the impeller and the number of the blades are both two.
Optionally, the connecting and positioning mechanism includes:
the connecting body is connected with the motor mechanism at one end and comprises an annular body and a convex ring connected to the inner wall of the annular body, and the first sealing ring is arranged between the convex ring and the wheel disc of the impeller;
the other end of the connecting body is connected with one end of the support, the pump body is connected with the other end of the support, and the first sealing ring is arranged between the wheel disc of the other impeller and the support.
Another object of the present invention is to provide a wind power generation system that is efficient, low in power consumption, and light in weight.
To achieve the purpose, the second aspect of the utility model adopts the following technical scheme:
a wind power generation system comprises the shielding pump for wind power generation.
Therefore, the shielding pump for wind power generation in the technical scheme provided by the utility model is provided with at least two blades and the impeller, namely, a multistage impeller series structure is adopted, so that the size of the shielding pump for wind power generation is reduced, and the working efficiency of the shielding pump for wind power generation is improved. The first sealing ring can effectively prevent the cooling liquid from leaking between the impeller and the blade, and the second sealing ring can effectively prevent the cooling liquid from leaking between the impeller and the connecting and positioning mechanism, so that the cooling liquid is prevented from flowing back and running off, the working system efficiency is improved, and the power consumption is reduced.
The bearing wear monitoring instrument is used for detecting the radial wear of the bearing, so that manual regular detection equipment is omitted.
Drawings
FIG. 1 is a cross-sectional view of a canned motor pump for wind power generation according to an embodiment of the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
In the figure:
1. a motor mechanism; 11. a rotor assembly; 12. a bearing; 13. a stator assembly; 14. a housing;
2. connecting a positioning mechanism; 21. a linker; 211. an annular body; 212. a convex ring; 22. a support;
3. a pump body; 31. a liquid inlet pipe; 32. a liquid outlet pipe;
4. an impeller; 41. a hub; 42. a wheel disc;
5. a blade; 6. a first seal ring; 7. a second seal ring; 8. a third seal ring; 9. an automatic exhaust valve; 10. a junction box.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
In the present invention, the directional terms such as "upper", "lower", "left", "right", "inner" and "outer" are used for easy understanding without making a contrary explanation, and thus do not limit the scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment provides a wind power generation system, which comprises a shield pump for wind power generation, wherein the shield pump for wind power generation is used for providing cooling liquid for a generator for wind power generation, and the shield pump for wind power generation can control the flow speed of the cooling liquid, so that the purpose of adjusting the conveying amount of the cooling liquid is achieved, and the effect of cooling the generator is achieved.
The shielding pump for wind power generation in the embodiment has high efficiency, low power consumption and light weight, and does not need manual regular detection.
As shown in fig. 1, the shield pump for wind power generation provided in this embodiment includes a motor mechanism 1, a connection positioning mechanism 2, a pump body 3, at least two impellers 4, at least two blades 5, and a bearing wear monitoring instrument [ not shown in the figure ].
The motor mechanism 1 includes a rotor assembly 11 and a bearing 12 attached to the rotor assembly 11. The motor mechanism 1 may further include a stator assembly 13 and a housing 14, the stator assembly 13 is installed in the housing 14, the rotor assembly 11 is rotatably connected to the housing 14 through a bearing 12 and penetrates through the stator assembly 13, and the stator assembly 13 is powered on to drive the assembly to rotate. The impeller 4 and the blades 5 are connected to the rotor assembly 11, and the rotor assembly 11 drives the impeller 4 and the blades 5 to rotate.
The connecting and positioning mechanism 2 is provided with a containing cavity, the impeller 4 and the blades 5 are both arranged in the containing cavity, and the pump body 3 and the motor mechanism 1 are connected and positioned through the connecting and positioning mechanism 2. Pump body 3 includes feed liquor pipe 31 and drain pipe 32, and impeller 4 and 5 rotations of blade can drive the coolant liquid and hold the chamber by feed liquor pipe 31 entering, and the coolant liquid flows out by drain pipe 32 through impeller 4 and 5 accelerated backs of blade to the cooling needs the generator of high temperature.
Specifically, one end of the connecting and positioning mechanism 2 is connected with the motor mechanism 1. The pump body 3 is connected to the other end of the connection positioning mechanism 2, and it is understood that one end and the other end in this embodiment are two ends of the component along the axial direction of the rotor assembly 11.
As shown in fig. 1 and 2, at least two impellers 4 are sequentially arranged along the axial direction of the rotor assembly 11, each impeller 4 includes a hub 41 and a wheel disc 42 connected to the outside of the hub 41, a flow passage is formed in the wheel disc 42, and the hub 41 is connected to the outside of the rotor assembly 11. A first sealing ring 6 is arranged between the wheel disc 42 and the connecting and positioning mechanism 2. The at least two blades 5 correspond to the at least two impellers 4 one by one, the blades 5 are sleeved outside the hub 41 of the impeller 4, and a second sealing ring 7 is arranged between the blades 5 and the hub 41.
The shield pump for wind power generation provided by the embodiment is provided with at least two blades 5 and the impeller 4, namely, a multistage impeller 4 series structure is adopted, so that the size of the shield pump for wind power generation is reduced, and the working efficiency of the shield pump for wind power generation is improved. First sealing ring 6 can prevent effectively that the coolant liquid from revealing between by impeller 4 and blade 5, and second sealing ring 7 can prevent effectively that the coolant liquid from revealing between by impeller 4 and the connection positioning mechanism 2 to avoid the coolant liquid backward flow and run off, improved work and be efficiency, reduced power consumption.
Further, the number of the impellers 4 and the number of the blades 5 are both two.
As shown in fig. 2, the connection positioning mechanism 2 includes a connection body 21 and a bracket 22. One end of the connecting body 21 is connected with the motor mechanism 1, the connecting body 21 comprises an annular body 211 and a convex ring 212 connected to the inner wall of the annular body 211, and a first sealing ring 6 is arranged between the convex ring 212 and the wheel disc 42 of one impeller 4, so that the coolant is prevented from flowing back to the flow channel of the other impeller 4. Meanwhile, due to the arrangement of the convex ring 212, on one hand, the outer side of one impeller 4 can be separated from the flow channel of the other impeller 4, and on the other hand, the cooling liquid can be circulated between the inner wall of the annular body 211 and the impellers 4, so that the flow of the cooling liquid is realized.
The other end of the connecting body 21 is connected with one end of the bracket 22, the pump body 3 is connected with the other end of the bracket 22, and a first sealing ring 6 is arranged between the wheel disc 42 of the other impeller 4 and the bracket 22, so that the cooling liquid is prevented from flowing back to the body.
The first seal ring 6 and the wheel disc 42 are in interference fit, specifically, the first seal ring 6 and the wheel disc 42 are assembled through a hot-assembling process, the heating process is an installation method that the tight fit between the first seal ring 6 and the wheel disc 42 is changed into loose fit through the first seal ring 6 by utilizing thermal expansion, and the method is a labor-saving installation method.
Preferably, the second sealing ring 7 is a rolled sleeve. The wound shaft sleeve is a thin-walled shaft sleeve formed by winding a bearing 12 material or a steel strip coated with the bearing 12 material. The first sealing ring 6 and the second sealing ring 7 are installed without fastening screws, so that the shielding pump for wind power generation has a simple structure and is convenient to install.
Preferably, the pump body 3 is sleeved outside the connection positioning mechanism 2, and a third sealing ring 8 is arranged between the pump body 3 and the connection positioning mechanism 2. Thereby, the cooling liquid is prevented from leaking to the outside of the shield pump for wind power generation, and the sealing performance of the shield pump for wind power generation is improved. Further, the third seal ring 8 is an O-ring.
As shown in fig. 2, in particular, the bearing wear monitoring gauge is used to detect wear in the radial direction of the bearing 12. The bearing wear monitoring instrument can be used for on-site inspection monitoring and computer remote monitoring of the working condition of the bearing 12 of the shield pump, when the bearing 12 has abnormal phenomena or faults, the bearing can immediately give an alarm or automatically stop, so that equipment accidents such as burning of the shield pump for wind power generation and the like are prevented, the working safety and reliability of the shield pump for wind power generation are improved, and manual regular detection equipment is omitted. Since the patent with application number CN201711439705.3 already discloses the specific structure of the bearing wear monitoring instrument, the detailed description is omitted.
It should be noted that the utility model does not limit the specific structure of the bearing wear monitoring instrument, and the technical personnel can set the structure according to the actual use requirement, and the change of the specific structure of the bearing wear monitoring instrument does not deviate from the basic principle of the utility model.
Preferably, a junction box 10 is connected to the motor mechanism 1, and the bearing wear monitoring instrument is connected to the motor mechanism 1 through the junction box 10, so as to provide electric energy for the bearing wear monitoring instrument.
Preferably, the shield pump for wind power generation further comprises an automatic exhaust valve 9, wherein the automatic exhaust valve 9 is connected to one end, away from the connecting and positioning mechanism 2, of the motor mechanism 1 and used for exhausting air for the motor mechanism 1 and the accommodating cavity, so that the shield pump for wind power generation works in an automatic exhaust mode without manual exhaust operation, and manual maintenance of the shield pump for wind power generation is avoided.
It should be noted that the present invention does not limit the specific structure of the automatic exhaust valve 9, and the skilled person can set the automatic exhaust valve according to the actual use requirement, and as long as the automatic exhaust casing can be realized, the changes of the specific structure of the automatic exhaust valve 9 do not depart from the basic principle of the present invention.
Although the utility model has been described in detail hereinabove by way of general description, specific embodiments and experiments, it will be apparent to those skilled in the art that many modifications and improvements can be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.
Claims (10)
1. A canned motor pump for wind power generation, comprising:
a motor mechanism (1) comprising a rotor assembly (11) and a bearing (12) connected to the rotor assembly (11);
the connecting and positioning mechanism (2) is provided with an accommodating cavity, and one end of the connecting and positioning mechanism (2) is connected with the motor mechanism (1);
the pump body (3) is connected with the other end of the connecting and positioning mechanism (2);
the impeller (4) comprises a hub (41) and a wheel disc (42) connected to the outside of the hub (41), a flow channel is formed in the wheel disc (42), and the hub (41) is connected to the outside of the rotor assembly (11); a first sealing ring (6) is arranged between the wheel disc (42) and the connecting and positioning mechanism (2);
the impeller comprises at least two blades (5) which correspond to the at least two impellers (4) one by one, the impellers (4) and the blades (5) are arranged in the accommodating cavity, the blades (5) are sleeved outside a hub (41) of the impeller (4), and a second sealing ring (7) is arranged between the blades (5) and the hub (41);
a bearing wear monitoring gauge for detecting radial wear of the bearing (12).
2. The canned motor pump for wind power generation according to claim 1, characterized in that the first sealing ring (6) is interference-fitted with the disk (42).
3. The canned motor pump for wind power generation according to claim 1, characterized in that the second sealing ring (7) is a rolled sleeve.
4. The canned motor pump for wind power generation according to claim 1, further comprising:
and the automatic exhaust valve (9) is connected to one end, far away from the connecting and positioning mechanism (2), of the motor mechanism (1) and used for exhausting the motor mechanism (1) and the accommodating cavity.
5. The canned motor pump for wind power generation according to claim 1, wherein the pump body (3) is sleeved outside the connection positioning mechanism (2), and a third sealing ring (8) is disposed between the pump body (3) and the connection positioning mechanism (2).
6. The canned motor pump for wind power generation according to claim 5, wherein the third seal ring (8) is an O-ring seal.
7. The canned motor pump for wind power generation according to claim 1, characterized in that a terminal box (10) is connected to the motor mechanism (1), and the bearing wear monitoring instrument is connected to the motor mechanism (1) through the terminal box (10).
8. The canned motor pump for wind power generation according to claim 1, wherein the number of the impeller (4) and the number of the blades (5) are both two.
9. The canned motor pump for wind power generation according to claim 8, wherein the connection positioning mechanism (2) comprises:
the connecting body (21), one end of the connecting body (21) is connected with the motor mechanism (1), the connecting body (21) includes an annular body (211) and a convex ring (212) connected to the inner wall of the annular body (211), and the first sealing ring (6) is arranged between the convex ring (212) and the wheel disc (42) of the impeller (4);
the other end of the connecting body (21) is connected with one end of the support (22), the pump body (3) is connected with the other end of the support (22), and the first sealing ring (6) is arranged between the wheel disc (42) of the other impeller (4) and the support (22).
10. A wind power system comprising the canned motor pump according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121734420.4U CN215521302U (en) | 2021-07-28 | 2021-07-28 | Shielding pump for wind power generation and wind power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121734420.4U CN215521302U (en) | 2021-07-28 | 2021-07-28 | Shielding pump for wind power generation and wind power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215521302U true CN215521302U (en) | 2022-01-14 |
Family
ID=79788007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121734420.4U Active CN215521302U (en) | 2021-07-28 | 2021-07-28 | Shielding pump for wind power generation and wind power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215521302U (en) |
-
2021
- 2021-07-28 CN CN202121734420.4U patent/CN215521302U/en active Active
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