CN211859837U - Special external rotor motor for winch - Google Patents
Special external rotor motor for winch Download PDFInfo
- Publication number
- CN211859837U CN211859837U CN202020348411.0U CN202020348411U CN211859837U CN 211859837 U CN211859837 U CN 211859837U CN 202020348411 U CN202020348411 U CN 202020348411U CN 211859837 U CN211859837 U CN 211859837U
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- China
- Prior art keywords
- squirrel
- cage
- rotor
- motor
- brake
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- 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.)
- Expired - Fee Related
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Abstract
The utility model belongs to the hoist engine field is a special external rotor motor of hoist engine. An outer rotor structure is adopted, so that a complex and heavy winch with an original structure is changed; the inner wall of the roller 1 is provided with a squirrel-cage rotor 2, and the roller 1 and the squirrel-cage rotor 2 form an outer rotor in a fastening mode; a stator 4 is arranged in the middle of the squirrel-cage rotor 2, and a supporting shaft 5 penetrates into the middle of the stator 4; two ends of the roller 1 are respectively provided with a blocking disc 6 and a blocking disc 25, and the outer side of the blocking disc 6 is provided with a power-off internal-expanding brake device; the iron core of the squirrel-cage rotor 2 is insulated from the squirrel-cage. The outer rotor motor of the invention has no mechanical, variable speed and transmission parts, has no noise of mechanical transmission, and greatly reduces the loss of mechanical transmission; a large amount of steel is saved, and the manufacturing cost is reduced; simple installation, convenient maintenance and long service life.
Description
Technical Field
The utility model belongs to the hoist engine field relates to present hoist engine general use is: the device comprises a motor, a speed reducer, a roller, a braking device and the like. The invention specifically relates to an outer rotor motor special for a winch.
Background
At present, at the place of winding, pull-off and dragging, if: in steel mills, mines, docks, buildings, bridges and other sites, the used winch generally comprises a motor, a speed reducer, a roller, a braking device and the like; the structure is complex and heavy, the installation and debugging are troublesome, the occupied space is large, and the like. In order to overcome the defects of the traditional winch, the invention provides the outer rotor motor special for the winch.
Disclosure of Invention
In order to solve the technical defects of the existing winch, the invention provides the special outer rotor motor for the winch, and the invention removes the heavy speed reducer gearbox of the traditional winch.
The technical scheme of the invention is as follows: a special outer rotor motor for a winch is characterized in that a squirrel cage rotor (2) is arranged on the inner wall of a roller (1), and the roller (1) and the squirrel cage rotor (2) are combined into an outer rotor in a fastening mode; a stator (4) is arranged in the middle of the squirrel-cage rotor (2), and a supporting shaft (5) penetrates into the middle of the stator (4); a first blocking disc (6) and a second blocking disc (25) are respectively arranged at two ends of the roller (1), and the diameter of the blocking discs is determined according to the power of the motor and the diameter and the length of the accommodating steel wire rope; and a braking device is arranged on the outer side of the blocking disc (6).
The braking device adopts an internal-tension braking mode for braking and a power-off brake, a braking wheel (7) is arranged on the outer side of the blocking disc (6), an electromagnet (15) is arranged in the braking wheel (7), and the electromagnet (15) and a base (12) of the lever (11) are respectively fixed on the supporting shaft (5) through a first screw (14) and a second screw (13); a brake spring (17) is installed on a push rod (19) of an armature iron (16) of an electromagnet (15), a brake pad (18) is installed on the push rod (19), a connecting rod (20) is installed on the push rod (19) below the brake pad (18), the lower end of the connecting rod (20) is connected to one end of a lever (11), the other end of the lever (11) is connected with a lower push rod (10), a lower brake pad (9) is installed at the lower end of the lower push rod (10), and the lever (11) is installed on a fulcrum (8) of a base (12) through a movable penetrating pin.
The iron core of the squirrel cage rotor (2) is made of ferromagnetic materials and is provided with holes for mounting the squirrel cage bars (3), the size and the number of the holes of the cage bars (3) are determined according to the requirements of the rotating speed and the number of poles of the motor, the two ends of the squirrel cage rotor (2) are provided with conducting rings (21), and the cage bars (3) are connected with the conducting rings (21) at the two ends to form the squirrel cage rotor (2).
The iron core of the squirrel-cage rotor (2) and the squirrel cage are mutually insulated.
The power line (23) of the excitation winding (22) of the stator (4) penetrates out of the wire outlet hole (24) on the supporting shaft (5).
Drawings
FIG. 1 is a schematic sectional view of the structure of the present invention; in the brake device in the figure, an electromagnet (15) is in a power-off state, an armature (16) enables a push rod (19) to push an upper brake shoe (18) under the tension action of a brake spring (17), the upper brake shoe (18) is in close contact with the inner wall of a brake wheel (7), meanwhile, the push rod (19) drives a connecting rod (20), the connecting rod (20) pulls one end of a lever (11) upwards, the other end of the lever (11) pushes a lower push rod (10) downwards, the lower push rod (10) pushes a lower brake shoe (9) again, the lower brake shoe (9) is in close contact with the inner wall of the brake wheel (7), and at the moment, the power-off brake state is realized.
The present invention will be described in detail with reference to the accompanying drawings.
Detailed Description
A special outer rotor motor for a winch is characterized in that a squirrel cage rotor 2 is arranged on the inner wall of a roller 1, and the roller 1 and the squirrel cage rotor 2 form an outer rotor integrally in a fastening mode; a stator 4 is arranged in the middle of the squirrel-cage rotor 2, and a supporting shaft 5 penetrates into the middle of the stator 4; two ends of the roller 1 are respectively provided with a blocking disc 6 and a blocking disc 25, and the diameter of the blocking discs is determined according to the power of the motor and the diameter and the length of the accommodating steel wire rope; a braking device is arranged on the outer side of the blocking disc 6.
The braking device adopts an internal tension braking mode and a power-off braking mode, a braking wheel 7 is arranged on the outer side of the blocking disc 6, an electromagnet 15 is arranged inside the braking wheel 7, and the electromagnet 15 and a base 12 of the lever 11 are respectively fixed on the supporting shaft 5 through a screw 14 and a screw 13; a brake spring 17 is arranged on a push rod 19 of an armature 16 of an electromagnet 15, a brake pad 18 is arranged on the push rod 19, a connecting rod 20 is arranged on the push rod 19 below the brake pad 18, the lower end of the connecting rod 20 is connected with one end of a lever 11, the other end of the lever 11 is connected with a lower push rod 10, a lower brake pad 9 is arranged at the lower end of the lower push rod 10, and the lever 11 is arranged on a fulcrum 8 of a base 12 through a movable penetrating pin.
The iron core of the squirrel-cage rotor 2 is made of ferromagnetic material and is provided with holes for mounting the squirrel-cage bars 3, the size and the number of the holes of the cage bars 3 are determined according to the requirements of the rotating speed and the number of poles of the motor, the two ends of the squirrel-cage rotor 2 are provided with conducting rings 21, and the cage bars 3 are connected with the conducting rings 21 at the two ends to form the squirrel-cage rotor 2.
The iron core of the squirrel-cage rotor 2 is insulated from the squirrel-cage.
The power line 23 of the field winding 22 of the stator 4 is passed through the outlet hole 24 of the support shaft 5.
The utility model discloses a special external rotor motor of hoist engine has saved gearbox and the motor of connection on the gearbox, and this invention combines the cylinder of coiling wire rope and the rotor of motor as an organic whole, not only is the cylinder of coiling wire rope but also is the external rotor of motor.
In order to increase the efficiency of the motor and increase the starting torque when loading, the iron core of the rotor and the squirrel cage are insulated from each other.
The braking device adopts a power-off internal-expanding braking mode; when the brake is required to work, the motor and the electromagnet are powered on simultaneously, the brake is opened immediately, the motor is started to run, and when the power supply is turned off, the electromagnet is powered off, and the brake is braked immediately.
The utility model discloses a special external rotor motor of hoist engine has fundamentally solved the heaviness and the structure of traditional hoist engine, and the external rotor motor of this invention does not have any machinery, variable speed, drive disk assembly, does not have mechanical transmission's noise, great reduction mechanical transmission's loss; a large amount of steel is saved, and the manufacturing cost is reduced; simple installation, convenient maintenance and long service life.
Claims (5)
1. The utility model provides a special external rotor motor of hoist engine which characterized in that: the inner wall of the roller (1) is provided with a squirrel cage rotor (2), and the roller (1) and the squirrel cage rotor (2) form an outer rotor integrally in a fastening mode; a stator (4) is arranged in the middle of the squirrel-cage rotor (2), and a supporting shaft (5) penetrates into the middle of the stator (4); a first blocking disc (6) and a second blocking disc (25) are respectively arranged at two ends of the roller (1), and the diameter of the blocking discs is determined according to the power of the motor and the diameter and the length of the accommodating steel wire rope; and a braking device is arranged on the outer side of the first blocking disc (6).
2. The external rotor motor special for the winch according to claim 1, wherein: the brake device adopts an internal-expanding brake mode to realize power-off braking, a brake wheel (7) is arranged on the outer side of the first blocking disc (6), an electromagnet (15) is arranged in the brake wheel (7), and the electromagnet (15) and a base (12) of the lever (11) are respectively fixed on the support shaft (5) through a first screw (14) and a second screw (13); a brake spring (17) is installed on a push rod (19) of an armature iron (16) of an electromagnet (15), a brake pad (18) is installed on the push rod (19), a connecting rod (20) is installed on the push rod (19) below the brake pad (18), the lower end of the connecting rod (20) is connected to one end of a lever (11), the other end of the lever (11) is connected with a lower push rod (10), a lower brake pad (9) is installed at the lower end of the lower push rod (10), and the lever (11) is installed on a fulcrum (8) of a base (12) through a movable penetrating pin.
3. The external rotor motor special for the winch according to claim 1, wherein: the iron core of the squirrel-cage rotor (2) is made of ferromagnetic material and is provided with holes for mounting squirrel-cage bars (3), and the size and the number of the holes of the cage bars (3) are determined according to the requirements of the rotating speed and the pole number of the motor; conducting rings (21) are arranged at two ends of the squirrel-cage rotor (2); the cage bars (3) are linked with conducting rings (21) at two ends to form a squirrel cage rotor (2).
4. The external rotor motor for the hoist according to claim 1 or 3, wherein: the iron core of the squirrel-cage rotor (2) is insulated from the squirrel cage.
5. The external rotor motor special for the winch according to claim 1, wherein: the power line (23) of the excitation winding (22) of the stator (4) penetrates out of the wire outlet hole (24) on the supporting shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020348411.0U CN211859837U (en) | 2020-03-18 | 2020-03-18 | Special external rotor motor for winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020348411.0U CN211859837U (en) | 2020-03-18 | 2020-03-18 | Special external rotor motor for winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211859837U true CN211859837U (en) | 2020-11-03 |
Family
ID=73135394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020348411.0U Expired - Fee Related CN211859837U (en) | 2020-03-18 | 2020-03-18 | Special external rotor motor for winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211859837U (en) |
-
2020
- 2020-03-18 CN CN202020348411.0U patent/CN211859837U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |