CN213171242U - Special actuating mechanism of electronic jib machine of integral type stage - Google Patents
Special actuating mechanism of electronic jib machine of integral type stage Download PDFInfo
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- CN213171242U CN213171242U CN202021992516.6U CN202021992516U CN213171242U CN 213171242 U CN213171242 U CN 213171242U CN 202021992516 U CN202021992516 U CN 202021992516U CN 213171242 U CN213171242 U CN 213171242U
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Abstract
The utility model provides a special actuating mechanism of electronic jib machine of integral type stage, including a tombarthite permanent magnet synchronous motor, including the fixed not pivoted motor shaft, be provided with solenoid on the motor shaft, the solenoid outside is the multipolar low-speed external rotor, is provided with the permanent magnet on the rotor, and a reel is connected to the external rotor, the external rotor surface is provided with arresting gear. The driving mechanism saves a reduction gearbox, has no oil leakage risk, reduces the failure rate, is simple and convenient to maintain, reduces the noise, and achieves the effects of integrally increasing the efficiency, saving the space, reducing the noise, reducing the cost and being easy to maintain. The product is an ideal product for carrying out technical upgrading and updating in the stage electric suspender industry in the future. The invention overcomes the defects of the prior art and fills the blank of the prior art.
Description
Technical Field
The utility model belongs to the technical field of stage equipment, a special actuating mechanism of electronic jib machine of integral type stage is related to.
Background
The stage boom machine is a tool for hanging lamps and scenic curtains in movie theaters, auditoriums, clubs, studios, multifunctional halls, gymnasiums and other places. The electric stage boom machine is widely applied in stage boom machines, and at present, a main driving mechanism of the electric stage boom machine consists of a three-phase asynchronous motor with an electromagnetic band-type brake, a speed reducer and a spiral groove type winding drum. Because the traditional asynchronous induction motor is difficult to be made into a multi-pole low speed, the driving mechanism of the traditional stage electric boom machine can only continue to use the driving mode of an asynchronous motor and a speed reducer to realize low-speed operation, and the system has the problems and defects of long mechanical transmission chain, low transmission efficiency, complex mechanism, high noise, easiness in oil leakage, large operation and maintenance workload, unsafety and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the problem that exists among the prior art is overcome, a special actuating mechanism of electronic jib machine of integral type stage is provided.
In order to solve the above problems, the technical solution of the present invention is as follows:
the special driving mechanism for the integrated stage electric suspender comprises a rare earth permanent magnet synchronous motor, and comprises a fixed and non-rotating motor shaft, wherein an electromagnetic coil is arranged on the motor shaft, a multi-pole low-speed outer rotor is arranged outside the electromagnetic coil, a permanent magnet is arranged on the rotor, the outer rotor is connected with a winding drum, and a braking device is arranged on the surface of the outer rotor.
The outer rotor and the winding drum are of an integral structure, the inner surface of one end of the winding drum is pasted with the permanent magnet, and the part of the winding drum pasted with the permanent magnet is used as the outer rotor of the motor.
The winding drum is provided with a spiral semicircular groove.
The other end of the winding drum is also connected with the winding drum end cover through a bearing on a shaft which does not rotate on the vertical plate, and the winding drum is supported.
The permanent magnet synchronous motor has the advantages that the rare earth permanent magnet synchronous motor comprises a motor shaft which is fixed on the vertical plate and does not rotate at one end of the winding drum, a motor stator coil and a bearing are arranged on the motor shaft, a permanent magnet is directly fixed on the inner wall of the winding drum corresponding to the outer side of the stator coil and serves as an outer rotor of the permanent magnet motor, namely one end of the winding drum is directly used as the outer rotor of the multi-pole low-speed outer rotor permanent magnet motor, the end cover of the winding drum is connected with the shaft which does not rotate through the bearing, and a braking device acting on the end.
Integral type stage electric boom machine special permanent magnetism gearless drive mechanism, be with reel and permanent magnet synchronous motor's external rotor integrated design, hide permanent magnet synchronous motor in the reel basically, the actuating system who has both solved original asynchronous machine + speed reducer like this has mechanical transmission chain verbosity, transmission efficiency is low, the mechanism is complicated, the noise is big, easy oil leak, the operation maintenance work load is big, unsafe scheduling problem and defect, can save space and cost again.
Drawings
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments;
fig. 1 is the structure schematic diagram of the special driving mechanism for the integrated stage electric boom machine.
Fig. 2 is the side structure schematic diagram of the special driving mechanism for the integrated stage electric boom machine.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Referring to fig. 1, the present embodiment includes a rare earth permanent magnet synchronous motor, the motor is a multi-pole low-speed outer rotor structure, a rare earth permanent magnet 1 is directly fixed on the inner wall of a winding drum 5 with a spiral semicircular groove, a motor stator 2 is fixed on a shaft 3, the shaft 3 is fixed on a vertical plate 6, a set of two sets of electromagnetic band-type brake 8 are also fixed on the vertical plate, and can be braked on two end faces of the winding drum 5 through friction plates, which can be square, circular or other shapes, and the winding drum 5 with the spiral semicircular groove is connected with the shaft 3 through end covers and bearings at two ends; 2 vertical plates are fixed by 4 pull rods 4; the whole is fixed on the bracket 7 through a shock pad.
The winding drum 5 of the spiral semicircular groove is fixedly wound with a steel wire rope, and the lamp, the landscape screen and the like are suspended through the steel wire rope.
The outer rotor and the winding drum are of an integral structure, the inner surface of one end of the winding drum is pasted with the permanent magnet, and the part of the winding drum pasted with the permanent magnet is used as the outer rotor of the motor.
The permanent magnet is directly fixed on the inner wall of the winding drum, so that the integration in the real sense is realized, and other parts of the motor are basically hidden in the winding drum.
The other end of the winding drum is also connected with the winding drum end cover through a bearing on a shaft which does not rotate on the vertical plate, and the winding drum is supported.
The permanent magnet synchronous motor comprises a rare earth permanent magnet synchronous motor, wherein the rare earth permanent magnet synchronous motor comprises a motor shaft which is fixed on a vertical plate and does not rotate at one end of a winding drum, a motor stator coil and a bearing are arranged on the motor shaft, a permanent magnet is directly fixed on the inner wall of the winding drum corresponding to the outer side of the stator coil and is used as an outer rotor of a permanent magnet motor, namely, one end of the winding drum is directly used as the outer rotor of the multi-pole low-speed outer rotor permanent magnet motor, an end cover of the winding drum is connected with a shaft which does not rotate.
This actuating mechanism has not only solved the application operating mode actual problem of super low rotational speed and super large torque in the electronic jib machine trade of stage, has following advantage moreover: 1. the winding drum and the permanent magnet motor are integrally designed, so that the space and the cost are saved; 2. the structure is simple, and the overall efficiency is high; 3. the two groups of brakes directly brake the winding drum, so that the safety and the reliability are improved; 4. a reduction gearbox is omitted, the oil leakage risk is avoided, the failure rate is reduced, the maintenance is simple and convenient, and the noise is reduced; the driving mechanism achieves the effects of overall efficiency improvement, space saving, noise reduction, cost reduction and easiness in maintenance. The product is an ideal product for carrying out technical upgrading and updating in the stage electric suspender industry in the future. The invention overcomes the defects of the prior art and fills the blank of the prior art.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The special driving mechanism for the integrated stage electric suspender machine is characterized by comprising a rare earth permanent magnet synchronous motor, wherein the motor shaft is fixed and does not rotate, an electromagnetic coil is arranged on the motor shaft, the outer side of the electromagnetic coil is a multi-pole low-speed outer rotor, a permanent magnet is arranged on the outer rotor, the outer rotor is connected with a winding drum, and a braking device is arranged on the surface of the outer rotor.
2. The special drive mechanism for the integrated stage electric suspender machine as claimed in claim 1, wherein the outer rotor and the winding drum are integrated, a permanent magnet is adhered to the inner surface of one end of the winding drum, and the part of the winding drum adhered with the permanent magnet is used as the outer rotor of the motor.
3. The special driving mechanism for the integrated stage electric suspender according to claim 1, wherein the winding drum is a winding drum with a spiral semicircular groove.
4. The special driving mechanism for an integrated stage electric boom machine as claimed in claim 1, wherein one end of the motor shaft extends through the winding drum and supports one end of the winding drum through a bearing, the other end of the motor shaft is provided with an electromagnetic coil, and the tail of the end of the shaft is further connected with a motor base.
5. The special drive mechanism for the integrated stage electric suspender machine as claimed in claim 4, wherein a vertical plate is arranged at the end of the winding drum, the motor shaft is connected with an end cover of the winding drum through a bearing, and the bearing is arranged on the vertical plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021992516.6U CN213171242U (en) | 2020-09-11 | 2020-09-11 | Special actuating mechanism of electronic jib machine of integral type stage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021992516.6U CN213171242U (en) | 2020-09-11 | 2020-09-11 | Special actuating mechanism of electronic jib machine of integral type stage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213171242U true CN213171242U (en) | 2021-05-11 |
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ID=75773102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021992516.6U Active CN213171242U (en) | 2020-09-11 | 2020-09-11 | Special actuating mechanism of electronic jib machine of integral type stage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213171242U (en) |
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2020
- 2020-09-11 CN CN202021992516.6U patent/CN213171242U/en active Active
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