CN218841545U - Permanent magnet driving steel wire rope electric hoist - Google Patents
Permanent magnet driving steel wire rope electric hoist Download PDFInfo
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- CN218841545U CN218841545U CN202023301966.9U CN202023301966U CN218841545U CN 218841545 U CN218841545 U CN 218841545U CN 202023301966 U CN202023301966 U CN 202023301966U CN 218841545 U CN218841545 U CN 218841545U
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- permanent magnet
- winding drum
- planetary reducer
- wire rope
- synchronous motor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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Abstract
A permanent magnet driving steel wire rope electric hoist comprises a permanent magnet synchronous motor, a planetary reducer and a winding drum; the permanent magnet synchronous motor and the planetary reducer are arranged in the winding drum, an output shaft of the permanent magnet synchronous motor is connected with an input shaft of the planetary reducer, and an output shaft of the planetary reducer drives the winding drum. The utility model arranges the permanent magnet driving motor and the planetary reducer in the winding drum, thus reducing the axial space, reducing the blind areas at the two ends of the winding drum and leading the utilization rate to be high; the motor adopts a low-speed permanent magnet synchronous motor, the speed reducer adopts a 1-stage planetary speed reducer, and because no high-speed part exists in the system, each part is less worn, and the system has the characteristics of low noise, high efficiency, high power factor, safety, reliability and the like.
Description
Technical Field
The utility model relates to an electric block technical field especially relates to a permanent magnetism drive wire rope electric block.
Background
The electric hoist is a special hoisting device and is mainly applied to various cranes, and mainly comprises components such as a driving motor, a speed reducer, a winding drum and the like. When the hoisting device works, the driving motor drives the winding drum to rotate through the speed reducer, and the winding drum lifts a heavy object through winding the steel wire rope. Practice shows that the existing electric hoist has the following problems due to the limit of the structure of the electric hoist: the traditional steel wire rope electric block adopts a medium-high speed alternating-current three-phase asynchronous motor as a drive, the motor generally runs at 2,4,6,8 poles at 50Hz, the rotating speed of the motor is between 2980rpm and 740rpm, the conventional steel wire rope electric block has the problems of large drive energy consumption, low power factor, high noise and the like, and the parts are easily damaged when the high-speed part is driven; in addition, the traditional steel wire rope electric block generally adopts a standard speed reducer with 3-grade and above transmission, the old CD/MD type steel wire rope electric block is connected with a motor to form a bearing arrangement structure, the European type steel wire rope electric block is of a C-shaped structure, and the speed reducer and the driving motor are both external structures (namely are arranged outside a winding drum), so that a large installation space is occupied.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the permanent magnet driving steel wire rope electric block is provided.
The purpose of the utility model is realized with the following mode:
a permanent magnet driven steel wire rope electric hoist comprises a permanent magnet synchronous motor, a planetary reducer and a winding drum; the permanent magnet synchronous motor and the planetary reducer are installed in the winding drum, an output shaft of the permanent magnet synchronous motor is connected with an input shaft of the planetary reducer, and an output shaft of the planetary reducer drives the winding drum.
The permanent magnet synchronous motor is a low-speed permanent magnet synchronous motor.
The planetary reducer is a 1-stage planetary reducer.
The winding drum adopts a steel wire rope of a standard steel wire rope electric block.
The utility model has the advantages that: compared with the prior art, the utility model has the advantages that the permanent magnet driving motor and the planetary reducer are both arranged in the winding drum, so that the axial space is reduced, the blind areas at the two ends of the winding drum are reduced, and the utilization rate of the winding drum is high; the motor adopts a low-speed permanent magnet synchronous motor, the speed reducer adopts a 1-stage planetary speed reducer, and the system has no high-speed part, so that the abrasion of each part is small, and the system has the characteristics of low noise, high efficiency, high power factor, safety, reliability and the like.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein 1-permanent magnet synchronous motor; 2-a planetary reducer; 3, spline housing; 4-wallboard; 5-a hollow shaft; 6-drum support bearing; 7-an outer gear ring of the planetary reducer; 8-connecting bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure as claimed. Unless otherwise defined, all technical and scientific terms used herein have the same technical meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and it should be further understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of the features, steps, operations, devices, components, and/or combinations thereof.
In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only relational terms determined for convenience of describing structural relationships of the respective parts or elements of the present invention, and are not intended to refer to any part or element of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and may be fixedly connected, or may be integrally connected or detachably connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be determined according to specific situations by persons skilled in the relevant scientific or technical field, and are not to be construed as limiting the present invention.
A permanent magnet driving steel wire rope electric hoist comprises a permanent magnet synchronous motor 1, a planetary reducer 2 and a winding drum; the permanent magnet synchronous motor 1 and the planetary reducer 2 are arranged in the winding drum, and the permanent magnet synchronous motor 1 is connected with the planetary reducer 2 through a spline housing 3; planetary reducer 2 passes through connecting bolt 8 to be installed on one side wallboard 4, and permanent magnet synchronous motor installs on opposite side wallboard 4. The rear end cover of the electric permanent magnet synchronous motor is provided with a hollow shaft 5, the excircle of the hollow shaft is provided with a reel supporting bearing 6, and the tail end of the hollow shaft 5 is connected with a wallboard 4. The permanent magnet synchronous motor 1 drives a planetary reducer 2, and the planetary reducer transmits torque to a winding drum through an outer gear ring 7 of the planetary reducer.
The permanent magnet synchronous motor is a low-speed permanent magnet synchronous motor.
The planetary reducer is a 1-stage planetary reducer, and the load is driven by the driving drum of the external gear ring of the planetary reducer.
The rotation limit of the steel wire rope electric block is driven by the input end of the planetary reducer.
The winding drum adopts parts such as a steel wire rope, a rope pressing plate, a pull rod, a wallboard and the like of a standard steel wire rope electric hoist.
The permanent magnet motor has the characteristics of small volume, light weight, high efficiency, high power factor and the like, and particularly has great advantages at low speed. The permanent magnet motor-driven steel wire rope electric block is driven by the permanent magnet motor, and the motor is arranged inside the winding drum, so that blind areas at two ends of the winding drum are reduced, and the utilization rate of the winding drum is higher.
The planetary reducer has the advantages of high efficiency, small volume, light weight, simple structure, convenient manufacture, large power transmission range and small axial size, can be used for various working conditions, and is most widely applied to mechanical transmission.
The permanent magnet driving steel wire rope electric hoist is a combined product of a permanent magnet motor and a planetary reducer, the planetary reducer is driven by the permanent magnet synchronous motor, and then the winding drum is driven by the planetary reducer to work.
The utility model has the characteristics of small, light in weight, small in noise, efficient, power factor is high, safe and reliable etc.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and changes may be made without inventive changes in the technical solutions of the present invention.
Claims (4)
1. A permanent magnet driving steel wire rope electric block is characterized in that: the permanent magnet synchronous motor comprises a permanent magnet synchronous motor, a planetary reducer and a winding drum; the permanent magnet synchronous motor and the planetary reducer are installed in the winding drum, an output shaft of the permanent magnet synchronous motor is connected with an input shaft of the planetary reducer, and an output shaft of the planetary reducer drives the winding drum.
2. The permanent magnet driven wire rope electric block of claim 1, wherein: the permanent magnet synchronous motor is a low-speed permanent magnet synchronous motor.
3. The permanent magnet-driven wire rope electric block of claim 1, wherein: the planetary reducer is a 1-stage planetary reducer.
4. The permanent magnet driven wire rope electric block of claim 1, wherein: the winding drum adopts a steel wire rope of a standard steel wire rope electric hoist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023301966.9U CN218841545U (en) | 2020-12-31 | 2020-12-31 | Permanent magnet driving steel wire rope electric hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023301966.9U CN218841545U (en) | 2020-12-31 | 2020-12-31 | Permanent magnet driving steel wire rope electric hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218841545U true CN218841545U (en) | 2023-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023301966.9U Active CN218841545U (en) | 2020-12-31 | 2020-12-31 | Permanent magnet driving steel wire rope electric hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218841545U (en) |
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2020
- 2020-12-31 CN CN202023301966.9U patent/CN218841545U/en active Active
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