阅读说明：本技术 一种柔性联轴节 (Flexible coupling ) 是由 杨明亮 栾景燕 闫众 孙明辉 王振元 边立春 张大鹏 张翔宇 李慧 苗生成 徐耀 于 2020-12-29 设计创作，主要内容包括：一种柔性联轴节,它涉及一种联轴节。本发明为解决现有联轴节成本高,且当功率异常升高或负载过大时容易造成设备损伤的问题。本发明包括电机联轴节和驱动联轴节,电机联轴节与驱动联轴节同轴设置,电机联轴节与驱动联轴节之间通过柔性绳缠绕连接。本发明用于轴间联接。(A flexible shaft coupling relates to a shaft coupling. The invention aims to solve the problems that the existing coupling is high in cost and equipment is easy to damage when the power is abnormally increased or the load is overlarge. The invention comprises a motor coupling and a driving coupling, wherein the motor coupling and the driving coupling are coaxially arranged, and the motor coupling and the driving coupling are connected in a winding manner through a flexible rope. The invention is used for coupling between shafts.)

1. A flexible shaft coupling characterized by: the flexible coupling comprises a motor coupling (1) and a driving coupling (2), wherein the motor coupling (1) and the driving coupling (2) are coaxially arranged, and the motor coupling (1) is connected with the driving coupling (2) in a winding mode through a flexible rope (3).

2. A flexible shaft coupling according to claim 1, wherein: the motor coupling is characterized in that a motor coupling flange (1-1) is arranged on the end face of the inner side of the motor coupling (1), a driving coupling flange (2-1) is arranged on the end face of the inner side of the driving coupling (2), and a flexible rope (3) is wound on the outer sides of the motor coupling flange (1-1) and the driving coupling flange (2-1).

3. A flexible shaft coupling according to claim 2, wherein: notches are uniformly distributed on the outer circumferential side walls of the motor coupling flange (1-1) and the driving coupling flange (2-1), and flexible ropes (3) are wound in the notches.

4. A flexible shaft coupling according to claim 3, wherein: the flexible rope (3) is made of nylon materials.

5. A flexible shaft coupling according to claim 4, wherein: and the connector of the flexible rope (3) is fused and knotted at high temperature.

6. A flexible shaft coupling according to claim 1, 2, 3, 4 or 5 wherein: the flexible coupling further comprises a protective cover (4), and the protective cover (4) is sleeved on the outer side of the joint of the motor coupling (1) and the driving coupling (2).

7. A flexible shaft coupling according to claim 6, wherein: the protective cover (4) is in clearance fit with the motor coupling (1) and the driving coupling (2).

8. A flexible shaft coupling according to claim 7, wherein: the protective cover (4) is a rigid protective cover.

9. A flexible shaft coupling according to claim 1, wherein: the motor coupling (1) and the driving coupling (2) are both hollow shaft bodies.

Technical Field

The invention relates to a coupling, in particular to a flexible coupling.

Background

With the development of machinery towards higher rotating speed and higher power, the requirement on the high rotating speed connection capacity of the coupling is higher and higher, the existing high-speed coupling (corrugated pipe and the like) is high in manufacturing cost, high in maintenance and use cost and harsh in use conditions, equipment is easily damaged when power is abnormally increased or load is overlarge, and the equipment cannot be protected.

Disclosure of Invention

The invention provides a flexible coupling, aiming at solving the problems that the existing coupling is high in cost and equipment is easy to damage when power is abnormally increased or load is overlarge.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the flexible coupling comprises a motor coupling and a driving coupling, wherein the motor coupling and the driving coupling are coaxially arranged, and the motor coupling and the driving coupling are connected in a winding mode through a flexible rope.

Compared with the prior art, the invention has the following beneficial effects:

the invention applies to the connection between a drive motor (electric spindle) and a rotating spindle. The rotating speed and the driving of the motor are transmitted to the rotating main shaft, and the device can be used for transmitting the stable and constant rotating speed and the fluctuating uneven rotating speed.

The invention fully utilizes the toughness characteristic of the nylon rope, has simple structure, low cost, impact resistance and high reliability, can meet the requirement of high rotating speed, is connected with high-speed rotating parts, is flexibly adjusted to be concentric, and can automatically disconnect the safety of the protection equipment when the power is abnormally increased or the load is overlarge.

The nylon ropes with different thicknesses and strengths are selected as the connecting units according to different transmission powers, and the flexibility of the nylon ropes can enable the coaxiality of the two couplings to be slightly different, so that the requirement on the coaxiality between the two main shafts is not high, the nylon ropes can be normally used in the environment of-20 ℃ to +80 ℃, and the connection is convenient and quick. The invention is applied to a high-speed bearing tester at present, the maximum transmission power can reach 50kw, and the maximum rotating speed can reach 60000 r/min.

Drawings

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

Detailed Description

The first embodiment is as follows: the present embodiment is described with reference to fig. 1, and the flexible coupling according to the present embodiment includes a motor coupling 1 and a drive coupling 2, the motor coupling 1 and the drive coupling 2 are coaxially disposed, and the motor coupling 1 and the drive coupling 2 are connected by winding a flexible cord 3.

The second embodiment is as follows: referring to fig. 1, the present embodiment is described, in which a motor coupling flange 1-1 is provided on an inner end surface of a motor coupling 1, a driving coupling flange 2-1 is provided on an inner end surface of a driving coupling 2, and a flexible cord 3 is wound around the motor coupling flange 1-1 and the driving coupling flange 2-1. Other components and connection modes are the same as those of the first embodiment.

This arrangement facilitates a wrap-around connection between the motor coupling 1 and the drive coupling 2.

The third concrete implementation mode: the embodiment is described with reference to fig. 1, in the embodiment, notches are uniformly distributed on the outer circumferential side walls of the motor coupling flange 1-1 and the driving coupling flange 2-1, respectively, and the flexible ropes 3 are wound in the notches. Other components and connection modes are the same as those of the second embodiment.

The design is convenient for realize the winding of flexible rope 3, prevents to take place the slide position.

The fourth concrete implementation mode: the present embodiment will be described with reference to fig. 1, and the flexible cord 3 according to the present embodiment is a flexible cord made of a nylon material. Other components and connection modes are the same as those of the third embodiment.

The melting point of nylon is low, and when power rises abnormally or load is too large, the temperature of the motor coupling 1 rises, and the nylon rope can be automatically fused to protect equipment safety.

The fifth concrete implementation mode: referring to fig. 1, the embodiment is described, in which the flexible cord 3 is fused and knotted at a joint by high temperature. The other components and the connection mode are the same as those of the fourth embodiment.

The sixth specific implementation mode: the present embodiment is described with reference to fig. 1, and the flexible coupling according to the present embodiment further includes a shield 4, and the shield 4 is fitted around the outside of the joint between the motor coupling 1 and the drive coupling 2. Other components and connection modes are the same as those of the first embodiment, the second embodiment, the third embodiment, the fourth embodiment or the fifth embodiment.

So designed as to protect the safety of the equipment during the operation.

The seventh embodiment: the present embodiment will be described with reference to fig. 1, and the shield 4 of the present embodiment is in clearance fit with the motor coupling 1 and the drive coupling 2. Other components and connection modes are the same as those of the sixth embodiment.

So designed as to provide sufficient running space for the motor coupling 1 and the drive coupling 2.

The specific implementation mode is eight: the present embodiment will be described with reference to fig. 1, and the shield 4 according to the present embodiment is a rigid shield. The other components and the connection mode are the same as those of the seventh embodiment.

The specific implementation method nine: the present embodiment will be described with reference to fig. 1, and both the motor coupling 1 and the drive coupling 2 according to the present embodiment are hollow shaft bodies. Other components and connection modes are the same as those of the first embodiment.

The design is to improve the rigidity of the motor coupling 1 and the driving coupling 2 and prevent the motor coupling 1 and the driving coupling 2 from deforming.

Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.