CN210505173U - Forced driving permanent magnet synchronous motor for small household elevator - Google Patents
Forced driving permanent magnet synchronous motor for small household elevator Download PDFInfo
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- CN210505173U CN210505173U CN201921505209.8U CN201921505209U CN210505173U CN 210505173 U CN210505173 U CN 210505173U CN 201921505209 U CN201921505209 U CN 201921505209U CN 210505173 U CN210505173 U CN 210505173U
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Abstract
The utility model relates to a forced driving permanent magnet synchronous motor for a small household elevator, which comprises a box body and a machine shell which are connected with each other, a main shaft transversely penetrating the box body and the inner part of the casing, a rotating stator component and a traction wheel which are sequentially sleeved on the main shaft and driven by the main shaft to rotate, wherein the casing is communicated with an auxiliary casing, a secondary transmission mechanism is arranged in the auxiliary machine shell and comprises a first transmission rod and a second transmission rod which are rotatably connected in the auxiliary machine shell and are parallel to each other, a first gear and a second gear of which the central axes are coincident with the central axis of the first transmission rod are fixed on the first transmission rod, a third gear of which the central axis is coincident with the central axis of the second transmission rod is fixed on the second transmission rod, the first gear is meshed with the traction sheave, the second gear is meshed with the third gear, and the traction sheave, the first gear, the second gear and the third gear are all helical gears; the low-speed large torque can forcibly drive the small elevator car when the counterweight is cancelled; the helical gear has high meshing precision and operates more stably.
Description
Technical Field
The utility model relates to an elevator hauler field, concretely relates to force drive PMSM for small-size home use elevator.
Background
At present, because the power of a motor (a traction machine) is insufficient, the elevator is generally driven by a traction machine and counterweight mode in installation, and for a small household elevator, the size of an elevator shaft is generally small, and the motor is required to be forcibly driven for saving the occupied size, so that the space is saved by the configuration for removing the counterweight, but the power of the existing small motor is insufficient, the speed can not be adjusted, the motor is easy to clamp in use, and the use feeling is poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is: provided is a forced driving permanent magnet synchronous motor for a small home elevator.
The technical scheme of the utility model is that: a forced driving permanent magnet synchronous motor for a small household elevator comprises a box body and a casing which are connected with each other, a main shaft which is transversely arranged in the box body and the casing in a penetrating manner, a rotating stator component and a traction wheel which are sequentially sleeved on the main shaft and driven by the main shaft to rotate, an auxiliary casing communicated with the casing, a secondary transmission mechanism arranged in the auxiliary casing and comprising a first transmission rod and a second transmission rod which are connected in the auxiliary casing in a rotating manner and parallel to each other, a first gear and a second gear of which the central axes coincide with the central axis of the first transmission rod are fixed on the first transmission rod, a third gear of which the central axis coincides with the central axis of the second transmission rod is fixed on the second transmission rod, the first gear is meshed with the traction wheel, the second gear is meshed with the third gear, and the traction wheel, the first gear and the second gear are meshed with the third gear, The second gear and the third gear are both helical gears.
Further: the helical gear has the helix degree of 15-22 degrees, the pressure angle of the helical gear is 20 degrees, and the helical gear is a chromium-manganese-titanium steel helical gear.
Further: the transmission ratio of the traction sheave to the secondary transmission mechanism is 1: 8.
Further: and bearings are movably sleeved at two ends of the first transmission rod and the second transmission rod and are fixed in the auxiliary machine shell.
Further: the rotor and stator assembly comprises a rotor assembly and two bearings which are sequentially sleeved on a main shaft, a traction wheel is located between the two bearings, the rotor and stator assembly is further connected with a stator assembly on the outer side of the rotor assembly, the main shaft is close to one end of the stator assembly is connected with a stator rear cover, the stator rear cover is installed on the end face of the box body far away from the casing, and one end of the main shaft far away from the stator assembly is sequentially connected with an encoder and a brake.
Further: the box body is connected with the casing through a through hole in a matched mode with the high-strength bolt.
Compared with the prior art, the utility model has the advantages that: adopt second grade drive mechanism cooperation driving sheave, realize low-speed big torque in order to force the small-size domestic elevator car of drive under the circumstances of cancellation counter weight to can carry out the speed governing through changing not unidimensional second grade drive mechanism, adopt the helical gear, the interlock precision is high, effective noise reduction, the operation is more steady, improves use comfort, and can transversely and vertically install, be convenient for adapt to different elevator well.
Drawings
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the ordinary skilled person in the art without creative work all belong to the protection scope of the present invention:
fig. 1 is a perspective view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
wherein: 1. a box body; 2. a housing; 3. a main shaft; 4. a traction sheave; 5. a sub-housing; 6. a first drive lever; 7. a second transmission rod; 8. a first gear; 9. a second gear; 10. a third gear; 11. a bearing; 12. a stator rear cover; 13. a rotor component; 14. a stator component; 15. an encoder; 16. a brake; 17. a junction box.
Detailed Description
Example (b): referring to fig. 1 to 3, a forced driving permanent magnet synchronous motor for a small home elevator includes a case 1 and a casing 2 connected to each other, a spindle 3 transversely passing through the case 1 and the casing 2, a rotating stator component and a traction sheave 4 sequentially sleeved on the spindle 3 and driven by the spindle 3 to rotate, the casing 2 is communicated with a sub-casing 5, a secondary transmission mechanism is installed in the sub-casing 5, the secondary transmission mechanism includes a first transmission rod 6 and a second transmission rod 7 rotatably connected in the sub-casing 5 and parallel to each other, a first gear 8 and a second gear 9 having a central axis coincident with a central axis of the first transmission rod 6 are fixed on the first transmission rod 6, a third gear 10 having a central axis coincident with a central axis of the second transmission rod 7 is fixed on the second transmission rod 7, the first gear 8 is engaged with the traction sheave 4, the second gear 9 is meshed with the third gear 10, and the traction sheave 4, the first gear 8, the second gear 9 and the third gear 10 are all helical gears, so that the meshing precision is high, the gear is not easy to clamp during operation, and the noise is low.
The helicity of helical gear is 15, just the pressure angle of helical gear is 20, and the operation is more steady, improves the comfort level in the car when using, the helical gear is chromium manganese titanium steel helical gear, and intensity is high.
The transmission ratio of the traction sheave 4 to the secondary transmission mechanism is 1:8, the traction sheave 4 can output a driving torque when running at a low speed, and the car can be forcibly driven without counterweight assistance.
The bearing 11 is movably sleeved at the two ends of the first transmission rod 6 and the second transmission rod 7, the bearing 11 is fixed in the auxiliary case 5, the bearing 11 adopts a deep groove ball bearing, the stress is uniform, the operation is stable, the vibration is small, the resonance phenomenon is not generated, and the operation noise is low.
The rotating and stator component comprises a rotor component 13 and two bearings 11 which are sequentially sleeved on the main shaft 3, and the traction wheel 4 is positioned between the two bearings 11 so as to achieve the characteristics of a double-support structure with high mechanical strength, fatigue resistance and high reliability. The rotating and stator component further comprises a stator component 14 connected to the outer side of the rotor component 13, a stator rear cover 12 is connected to the end portion, close to the stator component 14, of the main shaft 3, the stator rear cover 12 is installed on the end face, far away from the box body 1, of the machine shell 2, an encoder 15 and a brake 16 are sequentially connected to one end, far away from the stator component, of the main shaft 3, and the encoder 15 is connected with the brake 16.
The box body 1 is connected with the casing 2 through a through hole and a high-strength bolt in a matched mode, and a junction box 17 is installed on the outer wall of the casing 2.
Example 2: in this embodiment, the helical gear has a helical pitch of 22 °, and the rest is the same as in embodiment 1.
Example 3: the helical gear in this example has a degree of helicity of 19 °, and the rest is the same as in example 1.
It should be noted that, in this document, the term "comprises/comprising" means that an article or an apparatus including a series of elements includes not only those elements but also other elements not listed explicitly or inherent to such article or apparatus.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments as will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a force drive PMSM for small-size home use elevator, includes box and casing that interconnects to and transversely wear to establish the main shaft of box and casing inside, overlap in proper order and establish on the main shaft by rotatory stator part and the driving sheave of main shaft drive, its characterized in that: the machine shell is communicated with an auxiliary machine shell, a secondary transmission mechanism is installed in the auxiliary machine shell and comprises a first transmission rod and a second transmission rod which are rotatably connected in the auxiliary machine shell and are parallel to each other, a first gear and a second gear, of which the center axes coincide with the center axis of the first transmission rod, are fixed on the first transmission rod, a third gear, of which the center axis coincides with the center axis of the second transmission rod, is fixed on the second transmission rod, the first gear is meshed with the traction wheel, the second gear is meshed with the third gear, and the traction wheel, the first gear, the second gear and the third gear are all helical gears.
2. A force driven permanent magnet synchronous motor for a small-sized home elevator according to claim 1, characterized in that: the helical gear has the helix degree of 15-22 degrees, the pressure angle of the helical gear is 20 degrees, and the helical gear is a chromium-manganese-titanium steel helical gear.
3. A force driven permanent magnet synchronous motor for a small-sized home elevator according to claim 1, characterized in that: the transmission ratio of the traction sheave to the secondary transmission mechanism is 1: 8.
4. A force driven permanent magnet synchronous motor for a small-sized home elevator according to claim 1, characterized in that: and bearings are movably sleeved at two ends of the first transmission rod and the second transmission rod and are fixed in the auxiliary machine shell.
5. A force driven permanent magnet synchronous motor for a small-sized home elevator according to claim 1, characterized in that: the rotor and stator assembly comprises a rotor assembly and two bearings which are sequentially sleeved on a main shaft, a traction wheel is located between the two bearings, the rotor and stator assembly is further connected with a stator assembly on the outer side of the rotor assembly, the main shaft is close to one end of the stator assembly is connected with a stator rear cover, the stator rear cover is installed on the end face of the box body far away from the casing, and one end of the main shaft far away from the stator assembly is sequentially connected with an encoder and a brake.
6. A force driven permanent magnet synchronous motor for a small-sized home elevator according to claim 1, characterized in that: the box body is connected with the casing through a through hole in a matched mode and a high-strength bolt, and a junction box is installed on the outer wall of the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921505209.8U CN210505173U (en) | 2019-09-10 | 2019-09-10 | Forced driving permanent magnet synchronous motor for small household elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921505209.8U CN210505173U (en) | 2019-09-10 | 2019-09-10 | Forced driving permanent magnet synchronous motor for small household elevator |
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| Publication Number | Publication Date |
|---|---|
| CN210505173U true CN210505173U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921505209.8U Active CN210505173U (en) | 2019-09-10 | 2019-09-10 | Forced driving permanent magnet synchronous motor for small household elevator |
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| CN (1) | CN210505173U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114244015A (en) * | 2021-12-14 | 2022-03-25 | 深圳市众平电机有限公司 | Small and micro motor for breathing machine |
-
2019
- 2019-09-10 CN CN201921505209.8U patent/CN210505173U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114244015A (en) * | 2021-12-14 | 2022-03-25 | 深圳市众平电机有限公司 | Small and micro motor for breathing machine |
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