CN112744678A - Traction machine - Google Patents
Traction machine Download PDFInfo
- Publication number
- CN112744678A CN112744678A CN202110055228.0A CN202110055228A CN112744678A CN 112744678 A CN112744678 A CN 112744678A CN 202110055228 A CN202110055228 A CN 202110055228A CN 112744678 A CN112744678 A CN 112744678A
- Authority
- CN
- China
- Prior art keywords
- end cover
- rotor
- stator
- rotating shaft
- outer ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides a traction machine, which shortens the axial length of a machine body and ensures good heat dissipation of a motor. The motor base specifically comprises a motor base body, a first end cover and a second end cover, wherein the first end cover and the second end cover are respectively covered on the two axial end faces of the motor base body, the two end positions of the axial length direction of the rotating shaft are respectively installed in the central positioning holes of the first end cover and the second end cover through bearing positioning, the first end cover further comprises a raised stator positioning sleeve, the periphery of the stator positioning sleeve is fixedly sleeved with the stator, the axial length of the rotating shaft between the first end cover and the second end cover is fixedly sleeved with the central positioning hole of the rotor, the rotor comprises a radial connecting ring and a peripheral rotor body, the radial outer ring of the radial connecting ring is provided with the peripheral rotor body, and the area of the peripheral rotor body, facing the first end cover, extends to the area of the stator.
Description
Technical Field
The invention relates to the technical field of tractor structures, in particular to a tractor.
Background
The elevator traction machine is power equipment of an elevator, and is also called an elevator main machine. The function is to transport and transmit power to run the elevator. The existing traction machine is characterized in that a rotating shaft is led out through a rotor, and then a convex traction wheel structure is arranged on the forward convex rotating shaft, so that the axial length of the whole structure is long, a large amount of installation space is occupied, and the rotor of the existing traction machine is arranged in an inner cavity, so that the heat dissipation performance of a motor is poor.
Disclosure of Invention
In view of the above problems, the present invention provides a hoist that can reduce the axial length of a machine body and ensure good heat dissipation of a motor.
A traction machine is characterized in that: the motor comprises a motor base, a stator, a rotor, a brake and a rotating shaft, wherein the motor base comprises a motor base body, a first end cover and a second end cover, the first end cover and the second end cover are respectively covered on two axial end faces of the motor base body, two ends of the rotating shaft in the axial length direction are respectively positioned and installed in central positioning holes of the first end cover and the second end cover through bearings, the first end cover further comprises a raised stator positioning sleeve, the stator is fixedly sleeved on the periphery of the stator positioning sleeve, the axial length of the rotating shaft between the first end cover and the second end cover is fixedly sleeved and connected with the central positioning hole of the rotor, the rotor comprises a radial connecting ring and a peripheral rotor body, the peripheral rotor body is arranged on the radial outer ring of the radial connecting ring, and the area of the peripheral rotor body facing the first end cover extends into the area of the stator, the axial region of the peripheral rotor body corresponding to the first end cover is arranged on the periphery of the outer ring of the stator, notches are formed in the positions, corresponding to the rotor, of the two sides of the machine base body, traction wheels are integrated on the positions, corresponding to the notches, of the periphery of the outer ring of the peripheral rotor body, the traction wheels and the rotor form an integral structure, brakes are fixedly arranged on the two sides, corresponding to the position of the outer ring of the front end of the peripheral rotor body, of the machine base body respectively, and the braking ends of the brakes face the corresponding positions, corresponding to the periphery of the outer ring of the front end of the peripheral rotor body.
It is further characterized in that:
the position of the central positioning hole of the first end cover is recessed inwards to form an encoder mounting cavity, and an encoder is mounted at the central position of the front end of the rotating shaft;
the position where the rotor is fixedly arranged on the rotating shaft is specifically a positioning sleeve, so that the rotor and the rotating shaft are stably and reliably fixedly arranged;
the four corners of the bottom of the machine base are respectively provided with a lower convex supporting leg, so that the stable installation of the whole structure is ensured;
the top both sides of frame are provided with the lug respectively, make things convenient for the transportation of structure.
After the invention is adopted, the positions of the two sides of the base body, which correspond to the rotor, are provided with the notches, the outer ring circumference of the rotor is integrated with the traction sheave, which corresponds to the notches, the traction sheave and the rotor form an integral structure, the rotor is arranged at the radial outer side of the stator, the rotor is fixedly arranged on the rotating shaft through the radial connecting ring, the rotating shaft is used for positioning connection and detecting feedback rotating speed, the traction sheave does not need to be arranged independently, the axial length of the machine body is shortened, the installation space is saved, and the heat radiation performance of the whole structure is good because the part of the rotor is communicated with the outside through the.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the stator comprises a machine base 1, a machine base body 11, a first end cover 12, a second end cover 13, a stator positioning sleeve 14, a lower convex supporting foot 15, a lifting lug 16, a stator 2, a rotor 3, a radial connecting ring 31, a peripheral rotor body 32, a positioning sleeve 33, a brake 4, a rotating shaft 5, a notch 6, a traction sheave 7, an encoder 8 and an encoder mounting cavity 9.
Detailed Description
A traction machine, as shown in figures 1 and 2: the motor comprises a motor base 1, a stator 2, a rotor 3, a brake 4 and a rotating shaft 5, wherein the motor base 1 specifically comprises a motor base body 11, a first end cover 12 and a second end cover 13, the first end cover 12 and the second end cover 13 are respectively covered on two axial end faces of the motor base body 11, two end positions of the rotating shaft 5 in the axial length direction are respectively positioned and installed in central positioning holes of the first end cover 12 and the second end cover 13 through bearings, the first end cover 12 further comprises a raised stator positioning sleeve 14, the stator 2 is fixedly sleeved on the periphery of the stator positioning sleeve 14, the axial length of the rotating shaft 5 between the first end cover 12 and the second end cover 13 is fixedly sleeved and connected with the central positioning hole of the rotor 3, the rotor 3 comprises a radial connecting ring 31 and a peripheral rotor body 32, a radial outer ring of the radial connecting ring 31 is provided with the peripheral rotor body 32, the area of the peripheral rotor body 32 facing the first end cover 12 extends, the axial area of the peripheral rotor body 32 corresponding to the first end cover 12 is arranged on the outer ring circumference of the stator 2, notches 6 are arranged on the two sides of the base body 11 corresponding to the rotor 3, a traction sheave 7 is integrated on the outer ring circumference of the peripheral rotor body 32 corresponding to the notches, the traction sheave 7 and the rotor 3 form an integral structure, brakes 4 are respectively fixedly arranged on the two sides of the base body 11 corresponding to the front end outer ring position of the peripheral rotor body 32, and braking ends 41 of the brakes 4 are arranged towards the corresponding positions on the front end outer ring circumference of the peripheral rotor body 32.
The position of the central positioning hole of the first end cover 12 is concave inwards to form an encoder mounting cavity 9, and the central position of the front end of the rotating shaft 5 is provided with an encoder 8;
the position of the rotor 3 fixedly arranged on the rotating shaft 5 is specifically a positioning sleeve 33, so that the rotor 3 and the rotating shaft 5 are stably and reliably fixedly arranged;
the four corners of the bottom of the machine base 1 are respectively provided with a lower convex supporting leg 15, so that the stable installation of the whole structure is ensured;
the both sides of the top of frame 1 are provided with lug 16 respectively, make things convenient for the transportation of structure.
The working principle is as follows: the motor base body is provided with notches corresponding to the two sides of the rotor, the traction sheave is integrated on the outer ring periphery of the rotor corresponding to the notches, the traction sheave and the rotor form an integral structure, the rotor is arranged on the radial outer side of the stator, the rotor is fixedly arranged on the rotating shaft through the radial connecting ring, the rotating shaft is used for positioning connection and detecting feedback rotating speed, the traction sheave does not need to be arranged independently, the axial length of the motor body is shortened, the installation space is saved, and the heat dissipation performance of the whole structure is good due to the fact that the rotor is communicated with the outside through the notches.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A traction machine is characterized in that: the motor comprises a motor base, a stator, a rotor, a brake and a rotating shaft, wherein the motor base comprises a motor base body, a first end cover and a second end cover, the first end cover and the second end cover are respectively covered on two axial end faces of the motor base body, two ends of the rotating shaft in the axial length direction are respectively positioned and installed in central positioning holes of the first end cover and the second end cover through bearings, the first end cover further comprises a raised stator positioning sleeve, the stator is fixedly sleeved on the periphery of the stator positioning sleeve, the axial length of the rotating shaft between the first end cover and the second end cover is fixedly sleeved and connected with the central positioning hole of the rotor, the rotor comprises a radial connecting ring and a peripheral rotor body, the peripheral rotor body is arranged on the radial outer ring of the radial connecting ring, and the area of the peripheral rotor body facing the first end cover extends into the area of the stator, the axial region of the peripheral rotor body corresponding to the first end cover is arranged on the periphery of the outer ring of the stator, notches are formed in the positions, corresponding to the rotor, of the two sides of the machine base body, traction wheels are integrated on the positions, corresponding to the notches, of the periphery of the outer ring of the peripheral rotor body, the traction wheels and the rotor form an integral structure, brakes are fixedly arranged on the two sides, corresponding to the position of the outer ring of the front end of the peripheral rotor body, of the machine base body respectively, and the braking ends of the brakes face the corresponding positions, corresponding to the periphery of the outer ring of the front end of the peripheral rotor body.
2. A traction machine as recited in claim 1, wherein: the position of the central positioning hole of the first end cover is recessed inwards to form an encoder mounting cavity, and an encoder is mounted at the central position of the front end of the rotating shaft.
3. A traction machine as recited in claim 1, wherein: the rotor is fixedly arranged at the position of the rotating shaft and is specifically a positioning sleeve.
4. A traction machine as recited in claim 1, wherein: and four corners of the bottom of the machine base are respectively provided with a lower convex supporting foot.
5. A traction machine as recited in claim 1, wherein: lifting lugs are respectively arranged on two sides of the top of the machine base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110055228.0A CN112744678A (en) | 2021-01-15 | 2021-01-15 | Traction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110055228.0A CN112744678A (en) | 2021-01-15 | 2021-01-15 | Traction machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112744678A true CN112744678A (en) | 2021-05-04 |
Family
ID=75652051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110055228.0A Pending CN112744678A (en) | 2021-01-15 | 2021-01-15 | Traction machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112744678A (en) |
-
2021
- 2021-01-15 CN CN202110055228.0A patent/CN112744678A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 313000 No. 567 tunheng Road, Nanxun Town, Nanxun District, Huzhou City, Zhejiang Province Applicant after: ZHEJIANG FURDER DIVING TECHNOLOGY CO.,LTD. Address before: Block C, Zhiling highway Lingang elevator industrial park, Jiuguan Town, Nanxun District, Huzhou City, Zhejiang Province Applicant before: ZHEJIANG FURDER DIVING TECHNOLOGY CO.,LTD. |