CN216981663U - Motor end cover lubricating structure for centrifuge - Google Patents
Motor end cover lubricating structure for centrifuge Download PDFInfo
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- CN216981663U CN216981663U CN202220304069.3U CN202220304069U CN216981663U CN 216981663 U CN216981663 U CN 216981663U CN 202220304069 U CN202220304069 U CN 202220304069U CN 216981663 U CN216981663 U CN 216981663U
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- end cover
- motor end
- motor
- oil
- path
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- 230000001050 lubricating effect Effects 0.000 title claims abstract description 13
- 239000003921 oil Substances 0.000 claims abstract description 76
- 239000010687 lubricating oil Substances 0.000 claims abstract description 45
- 238000007789 sealing Methods 0.000 claims abstract description 30
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000005461 lubrication Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Centrifugal Separators (AREA)
Abstract
The utility model relates to a motor end cover lubricating structure for a centrifugal machine, which comprises: the centrifugal motor comprises a motor end cover, a centrifugal motor rotor and a motor bearing, wherein the middle part of the motor end cover is provided with a through hole, the inner side of the through hole is provided with a step and the motor bearing is installed on the through hole, and the motor bearing is connected to the centrifugal motor rotor; the motor end cover is fixedly connected with the centrifuge shell; the outer side of the through hole is connected with a sealing outer cover; the motor end cover is provided with a motor end cover lubricating oil way, an oil inlet way and an oil return way, the oil inlet way is communicated with the motor end cover lubricating oil way, and the oil return way is communicated with the motor end cover lubricating oil way; the oil inlet path and the oil return path are respectively communicated with an oil tank; the motor end cover lubricating oil way is connected with a motor bearing; the utility model has simple structure, few easily-damaged parts and built-in oil way, fully utilizes the internal space of the shell and does not need to additionally develop a placing space.
Description
Technical Field
The utility model relates to the technical field of centrifuges, in particular to a motor end cover lubricating structure for a centrifuge.
Background
Lubrication is an indispensable link in the operation of the centrifuge, and oil is stored in a main oil tank. The transmission system of the motor is composed of a front bearing and a rear bearing, and lubricating oil can avoid unnecessary dry grinding of the bearings during operation and avoid the phenomena of burning, abrasion or rusting and the like of a harmful motor caused by lack of lubrication of a rotor running at a high speed during power failure in an unexpected situation.
The existing centrifugal machine lubrication technology takes a main oil pump as an oil supply source, and oil is conveyed to a motor bearing by matching with an oil supply pipe, because an oil path is complex, the need of using power auxiliary parts cannot be avoided, wherein an independent oil storage bin is arranged in the motor so as to supply oil more quickly, and a complex pipeline needs to be installed, and the consumed time is long; or a plurality of grooves are arranged on the inner side of the tail cover and are matched with the motor to form a plurality of oil storage parts, but the manufacturing process is complex, the matching precision requirement is high, the leakage risk is high, the oil accumulation probability is high, the running can be realized only by matching with various parts, and the number of easily damaged parts is large; inconvenient maintenance and high cost.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to solve the problems in the prior art, the utility model provides a motor end cover lubricating structure for a centrifugal machine, which has the characteristics of equipment integration, simple structure, convenience and high efficiency.
(II) technical scheme
In order to achieve the purpose, the utility model adopts the main technical scheme that:
a motor end cover lubricating structure for a centrifuge, comprising: the centrifugal pump comprises a motor end cover, a centrifugal pump body and a centrifugal pump body, wherein the middle part of the motor end cover is provided with a through hole, the inner side of the through hole is provided with a step and is provided with a motor bearing, and the motor bearing is connected to a centrifugal pump rotor; the motor end cover is fixedly connected with the centrifuge shell; the outer side of the through hole is connected with a sealing outer cover;
the motor end cover is provided with a motor end cover lubricating oil path, an oil inlet path and an oil return path, the oil inlet path is communicated with the motor end cover lubricating oil path, and the oil return path is communicated with the motor end cover lubricating oil path; the oil inlet path and the oil return path are respectively communicated with an oil tank; and the motor end cover lubricating oil way is connected with a motor bearing.
Furthermore, the motor end cover lubricating oil path is a straight-through hole, one end of the motor end cover lubricating oil path is connected with the motor bearing, and the outer end of the motor end cover lubricating oil path is locked and sealed by the sealing outer cover and the motor end cover to form an independent motor end cover lubricating oil path.
Further, a motor outer cover sealing gasket is arranged between the sealing outer cover and the end part of the through hole.
Further, a plurality of ribs are formed on the outer surface of the sealing outer cover.
Furthermore, an oil inlet path and a motor end cover lubricating oil path are L-shaped, and an oil return path and the motor end cover lubricating oil path are L-shaped.
Further, the oil inlet path and the oil return path are respectively communicated with the oil tank through a conveying copper pipe.
Furthermore, a liquid viewing mirror is arranged on the sealing outer cover.
(III) advantageous effects
The utility model has the beneficial effects that: the structure is simple, the number of easily-damaged parts is small, the oil way is of a built-in structure, the internal space of the shell is fully utilized, and an additional development and placement space is not needed.
On one hand, the lubricating oil path is directly arranged inside the ribs of the motor end cover, the motor end cover adopts a rib structure to avoid the abrupt effect of the oil path and the influence on the safety wall thickness of the end cover, the manufacturing process is simple, the equipment integration is realized, and the reliability is good; the sealing outer cover and the sealing gasket of the motor outer cover are in threaded sealing to form an independent lubricating oil path, an independent oil storage bin is not required to be matched with other parts, the risk of leakage and oil accumulation is avoided, and the flowability is ensured.
On the other hand, all there is height position fall between oil inlet way and return oil way and the oil tank, only need rely on oil self gravity can accomplish oil feed and oil return, need not to add extra accessories such as ejector pump, and the assembly is simple, and the vulnerable part is few, and the economic nature promotes by a wide margin.
Drawings
FIG. 1 is a front view of the structure of one embodiment of the present invention;
fig. 2 is a bottom view of the structure of one embodiment of the present invention.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, a motor end cover lubrication structure for a centrifugal machine according to an embodiment of the present invention includes: the centrifugal pump comprises a motor end cover 3, wherein a through hole 13 is formed in the middle of the motor end cover 3, a step is arranged on the inner side of the through hole 13, a motor bearing 7 is installed on the through hole, and the motor bearing 7 is connected to a centrifugal rotor 2; the motor end cover 3 is fixedly connected with the centrifuge shell; the outer side of the through hole 13 is connected with a sealing outer cover 9, and a motor outer cover sealing gasket 10 is arranged between the sealing outer cover 9 and the end part of the through hole 13.
Further, the outer surface of the sealing cover 9 is formed with a plurality of ribs for reinforcing the strength of the sealing cover 9.
Specifically, a motor end cover lubricating oil way 4, an oil inlet way 5 and an oil return way 6 are arranged on the motor end cover 3, the oil inlet way 5 is communicated with the motor end cover lubricating oil way 4, and the oil return way 6 is communicated with the motor end cover lubricating oil way 4; the oil inlet path 5 and the motor end cover lubricating oil path 4 are in an L shape, and the oil return path 6 and the motor end cover lubricating oil path 4 are in an L shape; the oil inlet path 5 and the oil return path 6 are respectively communicated with an oil tank through a conveying copper pipe; the motor end cover lubricating oil path 4 is connected with a motor bearing 7; for convenience of processing, the motor end cover lubricating oil path 4 is a straight-through hole, one end of the motor end cover lubricating oil path is connected with the motor bearing 7, and the outer end of the motor end cover lubricating oil path is locked and sealed by the sealing outer cover 9 and the motor end cover 3 to form an independent motor end cover lubricating oil path 4; lubricating oil on a motor bearing 7 can synchronously lubricate the middle and rear ends of a centrifuge rotor 2 along with high-speed rotation when the centrifuge operates, and the front end of the centrifuge rotor 2 can also carry the lubricating oil in an oil tank up for lubrication through high-speed operation; and a liquid viewing mirror 12 is arranged on the sealing outer cover 9 and used for observing the operation of the centrifuge rotor 2 and the lubrication condition.
In the embodiment, in order to fix the motor bearing 7, the motor end cover 3 is provided with a through hole 13, and the inside of the through hole is designed to be a step; the motor bearing 7 is embedded into the through hole 13, the back step is locked by a screw, and the centrifuge rotor 2 is sleeved in the motor bearing 7.
In this embodiment, the oil inlet and return paths of the motor end cover lubricating oil path 4 are of a combined structure, are of an L shape formed by combining two independent passages, are of a 90-degree structure, are arranged inside ribs of the motor end cover, are combined with the motor end cover into a whole, are of a built-in structure, realize equipment integration and facilitate machining of the oil paths. The motor end cover adopts a rib structure, so that the surface of the external oil circuit is prevented from forming a projecting shape, the oil circuit is arranged in the rib, the safety thickness required by the end cover is not influenced, the whole thickness is uniform and consistent, the stress is average, and the reliability is ensured. And a sealing outer cover 9 is arranged outside the through hole 13, the sealing outer cover 9 is matched with a motor outer cover sealing gasket 10 and locked to the centrifugal machine together with the motor end cover 3 by threads, and the sealing outer cover 9 is attached to one channel port of the L-shaped combination for sealing, so that the L channel becomes a sealed and independent lubricating oil path space. One end of the transportation copper pipe is connected with an oil tank, and the other end of the transportation copper pipe is directly connected with an oil inlet crossing to convey oil to the motor bearing 7 for lubrication through an oil inlet path 5. The centrifuge rotor 2 runs at a high speed to drive oil to splash to the bearings at a high speed, under the restriction of the motor bearing 7 and the through hole 13, the lubricating oil is gathered to the inlet of the oil return path 6 under the action of gravity of the lubricating oil, and the lubricating oil returns to the oil tank through the conveying copper pipe; the whole manufacturing process is simple, the equipment is highly integrated, and the reliability is good.
In this embodiment, the liquid viewing mirror 12 and the sealing outer cover 9 are thread-sealed and coated with a sealant, so that the sealing is good, dust and the like are prevented from invading into the motor housing to pollute lubricating oil, and meanwhile, the liquid viewing mirror 12 is preferably made of transparent glass, so that the visual range is clear, and the existence of the liquid viewing mirror can ensure that the lubrication and operation conditions of the motor can be observed in time.
Through the design, the integral structure is simple, the number of easily-damaged parts is small, the structural advantages of the motor end cover are fully utilized, additional development of a placing space is not needed, a built-in structure oil way is adopted, and the integrated goal is achieved; the whole oil way is in threaded connection, welding is not needed, manufacturing and installation are not difficult, and working efficiency is guaranteed.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (7)
1. The utility model provides a motor end cover lubricating structure for centrifuge which characterized in that, it includes: the centrifugal pump comprises a motor end cover (3), wherein a through hole (13) is formed in the middle of the motor end cover (3), a step is arranged on the inner side of the through hole (13) and is provided with a motor bearing (7), and the motor bearing (7) is connected to a centrifugal rotor (2); the motor end cover (3) is fixedly connected with the centrifuge shell; the outer side of the through hole (13) is connected with a sealing outer cover (9);
a motor end cover lubricating oil way (4), an oil inlet way (5) and an oil return way (6) are formed in the motor end cover (3), the oil inlet way (5) is communicated with the motor end cover lubricating oil way (4), and the oil return way (6) is communicated with the motor end cover lubricating oil way (4); the oil inlet path (5) and the oil return path (6) are respectively communicated with an oil tank; and the motor end cover lubricating oil path (4) is connected with a motor bearing (7).
2. The motor end cover lubricating structure for a centrifuge according to claim 1, characterized in that: the motor end cover lubricating oil path (4) is a straight-through hole, one end of the motor end cover lubricating oil path is connected with the motor bearing (7), and the outer end of the motor end cover lubricating oil path is locked and sealed by the sealing outer cover (9) and the motor end cover (3) to form the independent motor end cover lubricating oil path (4).
3. The motor end cover lubricating structure for a centrifuge according to claim 1, characterized in that: and a motor outer cover sealing gasket (10) is arranged between the sealing outer cover (9) and the end part of the through hole (13).
4. The motor end cover lubricating structure for the centrifugal machine according to claim 1, characterized in that: the outer surface of the sealing outer cover (9) is provided with a plurality of ribs.
5. The motor end cover lubricating structure for the centrifugal machine according to claim 1, characterized in that: an oil inlet path (5) and a motor end cover lubricating oil path (4) are L-shaped, and an oil return path (6) and the motor end cover lubricating oil path (4) are L-shaped.
6. The motor end cover lubricating structure for a centrifuge according to claim 1, characterized in that: the oil inlet path (5) and the oil return path (6) are respectively communicated with the oil tank through a conveying copper pipe.
7. The motor end cover lubricating structure for a centrifuge according to claim 1, characterized in that: and a liquid viewing mirror (12) is arranged on the sealing outer cover (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220304069.3U CN216981663U (en) | 2022-02-15 | 2022-02-15 | Motor end cover lubricating structure for centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220304069.3U CN216981663U (en) | 2022-02-15 | 2022-02-15 | Motor end cover lubricating structure for centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216981663U true CN216981663U (en) | 2022-07-15 |
Family
ID=82354906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220304069.3U Active CN216981663U (en) | 2022-02-15 | 2022-02-15 | Motor end cover lubricating structure for centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216981663U (en) |
-
2022
- 2022-02-15 CN CN202220304069.3U patent/CN216981663U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240226 Address after: 350299 No. 8, Dongjiang West Road, Liren Industrial Zone, Hangcheng street, Changle District, Fuzhou City, Fujian Province Patentee after: Fujian Snowman Compressor Co.,Ltd. Country or region after: China Address before: Room 505, vocational education and training center, Changle vocational secondary school, No. 1 Houde, Changle District, Fuzhou, Fujian 350299 Patentee before: Fuzhou Xugu Technology Co.,Ltd. Country or region before: China |