阅读说明：本技术 一种用于斗提机专用永磁同步电动机联轴器结构 (Permanent magnet synchronous motor coupling structure special for bucket elevator ) 是由 朱见昌 于 2020-07-01 设计创作，主要内容包括：本发明公开了一种用于斗提机专用永磁同步电动机联轴器结构,所述联轴器结构包括鼓型齿轴、涨紧套、内齿轮圈套筒、平键、压板、密封垫和O型密封圈,所述鼓型齿轴通过涨紧套紧固在斗提机滚筒轴上,所述内齿圈套筒一端通过平键与电机轴连接,另一端套接在鼓型齿轴上并且该端的端部固定连接所述压板,所述压板与密封垫和O型密封圈配合用于防止鼓型齿轴和内齿轮圈套筒间的润滑油流出。本发明通过联轴器结构的调心功能,以及允许轴向窜动功能,减少了斗提机运转时作用于电机轴的冲击载荷,以及减少滚筒轴因不能伸长而引起的轴向负荷,保证了设备平稳、可靠运转。(The invention discloses a special permanent magnet synchronous motor coupling structure for a bucket elevator, which comprises a drum-shaped gear shaft, a tensioning sleeve, an inner gear ring sleeve, a flat key, a pressing plate, a sealing gasket and an O-shaped sealing ring, wherein the drum-shaped gear shaft is fastened on a drum shaft of the bucket elevator through the tensioning sleeve, one end of the inner gear ring sleeve is connected with a motor shaft through the flat key, the other end of the inner gear ring sleeve is sleeved on the drum-shaped gear shaft, the end part of the inner gear ring sleeve is fixedly connected with the pressing plate, and the pressing plate is matched with the sealing gasket and the O-shaped sealing ring to prevent lubricating oil between the drum-shaped gear shaft and the inner gear ring sleeve from flowing out. According to the invention, through the aligning function of the coupling structure and the function of allowing axial movement, the impact load acting on the motor shaft when the bucket elevator operates is reduced, the axial load caused by the fact that the drum shaft cannot extend is reduced, and the stable and reliable operation of the equipment is ensured.)

1. The utility model provides a be used for special permanent magnet synchronous motor coupling structure of machine is carried to fill, a serial communication port, coupling structure includes drum type tooth axle (4), rises tight cover (3), internal gear circle sleeve (1), parallel key (8), clamp plate (5), sealed pad (6) and O type sealing washer (7), drum type tooth axle (4) are through rising tight cover (3) fastening on bucket is carried quick-witted drum shaft (2), ring gear sleeve (1) one end is connected with motor shaft (9) through parallel key (8), and the other end cup joints on drum type tooth axle (4) and the tip fixedly connected with of this end clamp plate (5), clamp plate (5) and sealed pad (6) and O type sealing washer (7) cooperation are used for preventing the lubricating oil outflow between drum type tooth axle (4) and internal gear circle sleeve (1).

2. The permanent magnet synchronous motor coupling structure special for the bucket elevator according to claim 1, wherein the coupling structure is installed between a motor shaft (9) and a drum shaft (2) of the bucket elevator.

3. The permanent magnet synchronous motor coupling structure special for the bucket elevator as claimed in claim 1, wherein the external teeth of the drum-shaped gear shaft (4) and the internal teeth of the internal gear ring sleeve (1) are meshed with each other.

4. The permanent magnet synchronous motor coupling structure special for the bucket elevator as claimed in claim 1, wherein the inner gear ring sleeve (1) is a carbon fiber inner gear ring sleeve.

5. The permanent magnet synchronous motor coupling structure special for the bucket elevator as claimed in claim 1, wherein the sealing gasket (6) is a rubber sealing gasket.

Technical Field

The invention relates to a permanent magnet synchronous direct-drive motor coupling structure, in particular to a permanent magnet synchronous direct-drive motor coupling structure for lifting machinery.

Background

At present, a common asynchronous motor and a speed reducer are used for driving a roller of a domestic bucket elevator to drive a bucket elevator hopper to move, and the bucket elevator is generally high, inconvenient to install and disassemble and severe in working environment, so that the speed reducer is easy to have the problems of oil leakage, bearing abrasion, gear abrasion, shaft breakage and the like, the bucket elevator has a series of problems of low overall efficiency, high energy consumption, high maintenance cost and the like, and particularly in summer, the environment temperature reaches 40 ℃, and the speed reducer is easy to damage.

In recent years, in the industry of bucket elevators, the driving structure form of the permanent magnet synchronous direct drive motor and the frequency converter is more and more extensive, and the bucket elevator has the advantages of high overall efficiency, low maintenance, high overload starting capability and the like.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a special permanent magnet synchronous motor coupling structure for a bucket elevator.

The technical scheme adopted by the invention is as follows: the utility model provides a be used for special PMSM coupling structure of machine is carried to fill, coupling structure includes drum type tooth axle, rises tight cover, internal gear circle sleeve, parallel key, clamp plate, sealed pad and O type sealing washer, drum type tooth axle is through rising tight cover fastening on the bucket carries the quick-witted drum shaft, internal gear circle sleeve one end is connected with the motor shaft through the parallel key, and the other end cup joints on drum type tooth axle and the tip fixed connection of this end the clamp plate, the clamp plate is used for preventing the lubricating oil outflow between drum type tooth axle and internal gear circle sleeve with sealed pad and the cooperation of O type sealing washer.

Furthermore, the coupling structure is arranged between the motor shaft and the bucket elevator roller shaft.

Further, the external teeth of the drum-shaped gear shaft and the internal teeth of the internal gear ring sleeve are meshed with each other.

Furthermore, the internal gear ring sleeve is a carbon fiber internal gear ring sleeve.

Further, the sealing gasket is a rubber sealing gasket.

The invention has the beneficial effects that: by adopting the technical scheme of the invention, the drum-shaped gear shaft is connected to the roller shaft through the tensioning sleeve during installation, the inner gear ring sleeve is connected to the motor shaft through the flat key and is directly connected together after alignment, the required space is small, the installation is convenient, the labor time is saved, and the labor intensity of workers is reduced.

The maximum allowable axial deviation of the coupling structure is +/-1 mm, the radial deviation is +/-1.4 mm, the angle deviation is 0.5 degrees, and the finite element calculation of the strength and the rigidity of the drum shaft, the permanent magnet motor and the mounting bracket is within an allowable range, so that the permanent magnet synchronous motor is ensured to run safely and reliably under the harsh working condition of the bucket elevator, the maintenance cost is reduced, and the production efficiency is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Labeled as: 1. (carbon fiber) inner gear ring sleeve; 2. a bucket elevator drum shaft; 3. a tensioning sleeve; 4. a drum-shaped pinion; 5. pressing a plate; 6. a gasket; 7. an O-shaped sealing ring; 8. a flat bond; 9. a motor shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, a coupling structure of a permanent magnet synchronous motor specially used for a bucket elevator comprises a drum-shaped gear shaft 4, a tensioning sleeve 3, an inner gear ring sleeve 1, a flat key 8, a pressing plate 5, a sealing gasket 6 and an O-shaped sealing ring 7, wherein the drum-shaped gear shaft 4 is fastened on a bucket elevator drum shaft 2 through the tensioning sleeve 3, one end of the inner gear ring sleeve 1 is connected with a motor shaft 9 through the flat key 8, the other end of the inner gear ring sleeve is sleeved on the drum-shaped gear shaft 4, the end part of the inner gear ring sleeve is fixedly connected with the pressing plate 5, and the pressing plate 5 is matched with the sealing gasket 6 and the O-shaped sealing ring 7 to prevent lubricating oil between the drum-shaped gear shaft 4 and the inner gear ring sleeve 1.

In this embodiment, the coupling structure is installed between the motor shaft 9 and the bucket elevator drum shaft 2.

In the present embodiment, the external teeth of the drum gear shaft 4 and the internal teeth of the ring gear sleeve 1 are engaged with each other.

In this embodiment, the internal gear ring sleeve 1 is a carbon fiber internal gear ring sleeve. The sealing gasket 6 is a rubber sealing gasket.

In summary, with the technical solution of the above embodiment, compared with the conventional coupling structure, the motor roller of the present invention can bear larger impact load and allow larger axial play. And when the device is installed, the required space is small, the installation is convenient, the labor time is saved, and the labor intensity of workers is reduced.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the scope of the present invention in any way, and all technical solutions obtained by using equivalent substitution methods fall within the scope of the present invention.

The parts not involved in the present invention are the same as or can be implemented using the prior art.