CN220934937U - Front cover of solid rotor braking three-phase asynchronous motor - Google Patents
Front cover of solid rotor braking three-phase asynchronous motor Download PDFInfo
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- CN220934937U CN220934937U CN202322814764.1U CN202322814764U CN220934937U CN 220934937 U CN220934937 U CN 220934937U CN 202322814764 U CN202322814764 U CN 202322814764U CN 220934937 U CN220934937 U CN 220934937U
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- wall
- connecting cylinder
- hole
- asynchronous motor
- cover body
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- 239000007787 solid Substances 0.000 title claims abstract description 17
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 39
- 238000005728 strengthening Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a front cover of a solid rotor braking three-phase asynchronous motor, which comprises a cover body, wherein a through hole for a rotating shaft to pass through is formed in the top end of the cover body, a limiting ring is arranged on the inner wall of the through hole, a first connecting cylinder and a second connecting cylinder are sequentially arranged on the top end of the cover body from inside to outside, the inner wall of the first connecting cylinder is communicated with the inner wall of the through hole, a plurality of first reinforcing ribs are fixedly arranged on the top end of the cover body and between the first connecting cylinder and the second connecting cylinder, the plurality of first reinforcing ribs are uniformly arranged by taking the axis of the through hole as the center of a circle, two ends of the first reinforcing ribs are fixedly connected with the outer wall of the first connecting cylinder and the inner wall of the second connecting cylinder respectively, a groove is formed in the bottom end of the cover body, a connecting disc is fixedly arranged on the top end of the inner wall of the groove, a plurality of reinforcing sheets fixedly arranged on the top end of the inner wall of the groove are fixedly connected with the inner wall of the groove, the connecting disc are arranged at equal intervals along the circumferential direction, and the inner wall of the connecting disc is provided with a mounting cylinder for limiting the sealing ring.
Description
Technical Field
The utility model relates to the field of motors, in particular to a front cover of a solid rotor braking three-phase asynchronous motor.
Background
The three-phase asynchronous motor mainly comprises a stator and a rotor, wherein the stator is static, the rotor rotates and drives the rotating shaft to rotate, and a certain air gap is reserved between the stator and the rotor. The principle of operation is based on the interaction of the stator rotating magnetic field (the resultant magnetic field generated by the three-phase currents in the stator windings) and the rotor current (the current in the rotor windings). The three-phase asynchronous motor is a leading product of a medium and small motor, is used as one of the most important power equipment, converts electric energy into mechanical energy, drives various mechanical equipment, has the advantages of simple structure, reliable operation, low price and the like, is widely applied to industries such as chemical industry, textile industry, metallurgy, building industry, agricultural machinery, mine industry, light industry and the like, and is widely used as a power source for main mechanical driving such as fans, water pumps, compressors, machine tools, printers, paper machines, textile machines, steel rolling machines, air conditioners, urban subways, light rail traffic, mine electric vehicles and the like.
The existing external mechanism of the three-phase asynchronous motor mainly comprises a machine base, front covers respectively arranged at two ends of the machine base, a fan in transmission connection with a rotating shaft and a housing for protecting the fan, and the existing front cover of the three-phase asynchronous motor has single function and is only used for fixing the rotating shaft and sealing the front end of the machine base, and other functions cannot be started, so that a novel front cover of the solid rotor braking three-phase asynchronous motor is provided.
Disclosure of utility model
The utility model aims to provide a front cover of a solid rotor braking three-phase asynchronous motor, which aims to solve the problems in the background technology.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a solid rotor braking three-phase asynchronous motor protecgulum, the power distribution structure comprises a cover body, the top of lid is provided with the through-hole that supplies the pivot to pass, the lower part of through-hole inner wall is provided with the spacing ring that is used for carrying out spacing to the bearing, the top of lid has set gradually first connecting cylinder and second connecting cylinder from inside to outside, the inner wall and the through-hole inner wall intercommunication of first connecting cylinder, the top of lid is fixed to be provided with a plurality of first strengthening ribs that set up between first connecting cylinder and second connecting cylinder, a plurality of first strengthening ribs use through-hole axle center department to set up evenly as the centre of a circle, and the both ends of first strengthening rib respectively with the outer wall of first connecting cylinder and the inner wall fixed connection of second connecting cylinder, the recess is seted up to the bottom of lid, the top of recess inner wall is fixed to be provided with the inner wall diameter of connecting disc that is greater than the through-hole inner wall diameter, the outer wall of connecting disc through a plurality of strengthening pieces fixedly set up in the top of recess inner wall and recess inner wall fixed connection, a plurality of strengthening pieces are along circumference equidistant setting up, the inner wall of lid is provided with the diameter that is used for carrying out spacing installation section of thick bamboo to the sealing ring, the diameter of installation section of thick bamboo inner wall is greater than the diameter of the inner wall of through-hole.
Further, the top symmetry of first strengthening rib is provided with two respectively with the connection piece of the outer wall of first connecting cylinder and the inner wall fixed connection of second connecting cylinder, and the opposite one side of two connection pieces all is the arc setting of inwards sunk.
Further, the outer wall of the second connecting cylinder is uniformly spaced along the circumferential direction and fixedly provided with a plurality of second reinforcing ribs fixedly connected with the top ends of the cover body.
Further, the top of second strengthening rib is from middle part to the one end that keeps away from the second connecting cylinder from top to bottom slope setting.
Further, the outer wall of the second connecting cylinder is uniformly spaced along the circumferential direction and is fixedly provided with a plurality of third reinforcing ribs fixedly connected with the top end of the cover body, and each third reinforcing rib is arranged between two second reinforcing ribs.
Further, the bottom that the lid is close to the outer wall is provided with a plurality of arc grooves along circumference equidistant.
Further, a plurality of fourth reinforcing ribs are arranged in the arc-shaped groove at equal intervals by taking the axis of the through hole as the center of a circle.
The beneficial effects achieved by the utility model are as follows: the groove is formed in the bottom end of the cover body to reduce the thickness of the cover body and the weight of the cover body, so that the heat conductivity of the cover body is increased, the cooling effect of the three-phase asynchronous motor is further increased on the original basis, and the through hole of the front cover is considered to be fixed to the rotating shaft, so that a plurality of first reinforcing ribs are arranged on the outer wall of the first connecting cylinder to increase the connectivity between the first connecting cylinder and the top end of the cover body, the connection part between the thinned cover body and the first connecting cylinder is prevented from being broken, the second connecting cylinder is arranged to keep away from the connectivity between one end of the first reinforcing rib and the top end of the cover body and further increase the stress surface between the first reinforcing rib and the top end of the cover body, the thickness of the middle part of the cover body is increased, deformation or damage caused by the stress of the top end of the cover body is avoided, and meanwhile, the outer wall of the connecting disc is fixedly connected with the inner wall of the groove through a plurality of reinforcing sheets fixedly arranged at the top end of the inner wall of the groove.
Drawings
FIG. 1 is a top view of a front cover of a solid rotor braking three-phase asynchronous motor in an embodiment;
FIG. 2 is a bottom view of a front cover of a solid rotor brake three-phase asynchronous motor in an embodiment;
fig. 3 is a cross-sectional view taken along A-A of fig. 1.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-3, the present utility model discloses a front cover of a solid rotor braking three-phase asynchronous motor, comprising: the cover body 1, the top of the cover body 1 is provided with the through-hole 2 that supplies the pivot to pass, the lower part of through-hole 2 inner wall is provided with the spacing ring 21 that is used for carrying out spacing to the bearing, the top of the cover body 1 has set gradually first connecting cylinder 3 and second connecting cylinder from inside to outside, the inner wall and the through-hole 2 inner wall intercommunication of first connecting cylinder 3, the top of the cover body 1 is fixed to be provided with a plurality of first strengthening ribs 31 that set up between first connecting cylinder 3 and second connecting cylinder, a plurality of first strengthening ribs 31 use through-hole 2 axle center department to set up evenly as the centre of a circle, and the both ends of first strengthening rib 31 respectively with the outer wall of first connecting cylinder 3 and the inner wall fixed connection of second connecting cylinder, recess 4 has been seted up to the bottom of cover body 1, the top of recess 4 inner wall is fixed to be provided with the inner wall diameter is greater than the connection pad 41 of through-hole 2 inner wall diameter, the outer wall of connection pad is through a plurality of strengthening pieces 42 fixedly set up in the top of recess 4 inner wall, a plurality of strengthening pieces 42 are along 41 equidistant setting up, the inner wall of 41 is provided with the sealing ring 43 that is used for carrying out spacing inner wall 43 of the installation in the inner wall 2 of the inner wall of the connecting cylinder is of the connecting cylinder 2.
Based on the above structure, as shown in fig. 1-3, the thickness of the cover body is reduced by providing the groove 4 at the bottom end of the cover body 1, so as to increase the thermal conductivity of the cover body 1, and further increase the cooling effect of the three-phase asynchronous motor on the original basis, and because the through hole 2 of the cover body 1 needs to be fixed to the rotating shaft, a plurality of first reinforcing ribs 31 are provided on the outer wall of the first connecting cylinder 3, so as to increase the connectivity between the first connecting cylinder 3 and the top end of the cover body 1, the connection part between the thinned cover body 1 and the first connecting cylinder 3 is prevented from being broken, the second connecting cylinder is arranged to increase the connectivity between the first reinforcing ribs 31 and the top end of the cover body 1, further increase the stress surface between the first reinforcing ribs 31 and the top end of the cover body 1, and the 41 is arranged to increase the thickness of the middle part of the cover body 1, so as to avoid deformation or damage caused by the stress of the top end of the cover body 1, and simultaneously, the outer wall of 41 is also fixedly connected with the inner wall 42 of the groove 4 and the top end of the first connecting cylinder 1 through a plurality of reinforcing ribs 42 fixedly arranged on the top end of the groove 4, and the top end of the first connecting cylinder 1 is further increased.
Further, as shown in fig. 2-3, in order to increase the connectivity between the two ends of the first reinforcing rib and the outer wall of the first connecting tube and the inner wall of the second connecting tube, two connecting pieces 311 fixedly connected with the outer wall of the first connecting tube 3 and the inner wall of the second connecting tube are symmetrically arranged at the top end of the first reinforcing rib 31, and opposite sides of the two connecting pieces 311 are respectively arranged in an inward concave arc shape.
Further, as shown in fig. 1 and 3, in order to increase the connection emphasis between the second connecting cylinder and the top end of the cover body and increase the heat dissipation effect at the same time, a plurality of second reinforcing ribs 32 are fixedly arranged on the outer wall of the second connecting cylinder at equal intervals along the circumferential direction, and the bottom ends of the second reinforcing ribs are fixedly connected with the top end of the cover body 1.
Further, as shown in fig. 3, in order to reduce the weight of the second reinforcing rib, the top end of the second reinforcing rib 32 is inclined from the middle to the end far from the second connecting cylinder.
Further, as shown in fig. 1, in order to increase the connection emphasis between the second connecting tube and the top end of the cover body, a plurality of third reinforcing ribs 33 are fixedly arranged on the outer wall of the second connecting tube at equal intervals along the circumferential direction, wherein the bottom ends of the third reinforcing ribs 33 are fixedly connected with the top end of the cover body 1, and each third reinforcing rib 33 is arranged between two second reinforcing ribs 32.
Further, as shown in fig. 2 and 3, in order to reduce the weight of the cover, the cover 1 is provided with a plurality of arc grooves 5 near the bottom end of the outer wall at equal intervals in the circumferential direction.
Further, as shown in fig. 2 and 3, in order to maintain the strength of the cover while reducing the weight of the cover, a plurality of fourth reinforcing ribs 51 are provided in the arc-shaped groove 5 at equal intervals around the center of the axis of the through hole 2.
Further, as shown in fig. 1 and 2, the first connecting tube 21, the second connecting tube, the first reinforcing rib 32, the connecting piece 311, the second reinforcing rib 32, the third reinforcing rib 33, the connecting disc 41, the reinforcing piece 42, and the fourth reinforcing rib 51 are provided integrally with the cover 1.
The above is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto, and any person skilled in the art should be able to apply equivalent substitutions or alterations to the technical solution and the inventive concept according to the present utility model within the scope of the present utility model disclosed by the present utility model.
Claims (7)
1. The utility model provides a solid rotor braking three-phase asynchronous motor protecgulum, including lid (1), the top of lid (1) is provided with through-hole (2) that supply the pivot to pass, the lower part of through-hole (2) inner wall is provided with spacing collar (21) that are used for carrying out spacing to the bearing, first connecting cylinder (3) and second connecting cylinder have been set gradually from inside to outside in the top of lid (1), the inner wall and the through-hole (2) inner wall intercommunication of first connecting cylinder (3), a serial communication port, the top of lid (1) is fixed and is provided with a plurality of first strengthening ribs (31) that set up between first connecting cylinder (3) and second connecting cylinder, a plurality of first strengthening ribs (31) use through-hole (2) axle center department to set up evenly as the centre of a circle, and the both ends of first strengthening rib (31) are respectively with the outer wall of first connecting cylinder (3) and the inner wall fixed connection of second connecting cylinder, recess (4) are seted up on the top of recess (4) inner wall, the inner wall's top fixedly provided with inner wall diameter of recess (41) is greater than connecting disc (41) of through-hole (2) inner wall diameter, the top fixedly provided with inner wall (41) of inner wall (4) inner wall diameter of inner wall (4) of recess (4) inner wall (4) and a plurality of connecting discs (41) are arranged at equal interval (42) are used for setting up along the fixed connection piece (42) of connecting disc (42), the diameter of the inner wall of the mounting cylinder (43) is larger than that of the inner wall of the through hole (2).
2. A solid rotor braking three-phase asynchronous motor front cover according to claim 1, characterized in that: the top of first strengthening rib (31) symmetry is provided with two connection piece (311) with the outer wall of first connecting cylinder (3) and the inner wall fixed connection of second connecting cylinder respectively, and the opposite one side of two connection pieces (311) is the arc setting of inwards sunk.
3. A solid rotor braking three-phase asynchronous motor front cover according to claim 1, characterized in that: the outer wall of the second connecting cylinder is provided with a plurality of second reinforcing ribs (32) which are fixedly connected with the top end of the cover body (1) along the circumferential direction at equal intervals.
4. A solid rotor braking three-phase asynchronous motor front cover according to claim 3, characterized in that: the top end of the second reinforcing rib (32) is arranged from the middle part to one end far away from the second connecting cylinder in a downward inclination manner.
5. A solid rotor braking three-phase asynchronous motor front cover according to claim 3, characterized in that: the outer wall of the second connecting cylinder is provided with a plurality of third reinforcing ribs (33) fixedly connected with the top end of the cover body (1) along the circumferential direction at equal intervals, and each third reinforcing rib (33) is arranged between two second reinforcing ribs (32).
6. A solid rotor braking three-phase asynchronous motor front cover according to claim 1, characterized in that: a plurality of arc grooves (5) are arranged at equal intervals along the circumferential direction at the bottom end of the cover body (1) close to the outer wall.
7. The solid rotor braking three-phase asynchronous motor front cover according to claim 6, wherein: a plurality of fourth reinforcing ribs (51) are arranged in the arc-shaped groove (5) at equal intervals by taking the axis of the through hole (2) as the center of a circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322814764.1U CN220934937U (en) | 2023-10-20 | 2023-10-20 | Front cover of solid rotor braking three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322814764.1U CN220934937U (en) | 2023-10-20 | 2023-10-20 | Front cover of solid rotor braking three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220934937U true CN220934937U (en) | 2024-05-10 |
Family
ID=90935914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322814764.1U Active CN220934937U (en) | 2023-10-20 | 2023-10-20 | Front cover of solid rotor braking three-phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220934937U (en) |
-
2023
- 2023-10-20 CN CN202322814764.1U patent/CN220934937U/en active Active
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