CN212935690U

CN212935690U - Motor output shaft capable of protecting motor

Info

Publication number: CN212935690U
Application number: CN202022187554.0U
Authority: CN
Inventors: 孙永强; 刘飞
Original assignee: Rongcheng Yongsheng Power Machinery Co ltd
Current assignee: Rongcheng Yongsheng Power Machinery Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-04-09
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a can protect motor's motor output shaft belongs to motor output shaft technical field, the output that the ring flange was passed through to the one end including the output shaft is connected with the output of motor, the output shaft includes pivot one, pivot two of two coaxial settings, be equipped with intermeshing's tooth's socket, tooth on the terminal surface that pivot one is relative with pivot two, the equidistant seting up of tooth's socket is on the tip of pivot one, still be equipped with the coupling mechanism who cushions the protection between it between pivot one and the pivot two. The utility model discloses when the load is than when heavier on two free ends of pivot, the tooth in two pivots this moment can break away from in the tooth's socket of pivot one under the flexible cooperation of sleeve and telescopic link to this makes two pivots break away from the drive of motor, avoids two pivots still to continue to rotate and to its damage that causes when the load is heavier, also avoids the pivot to the damage that causes the motor under the overload operation simultaneously, in order to realize the protection to the motor.

Description

Motor output shaft capable of protecting motor

Technical Field

The utility model relates to a motor output shaft technical field, specificly relate to a can protect motor output shaft of motor.

Background

The output shaft is the shaft for outputting power, and the motor converts electric power, hydraulic pressure or air pressure into mechanical power, and the output shaft transmits torque.

The existing majority of output shafts can not protect the connecting shaft and the motor simultaneously when in overload operation, so that the connecting shaft is easy to break under the overload operation, and meanwhile, the motor is damaged to a certain extent, thereby greatly shortening the service life of the connecting shaft and the motor.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a motor output shaft that can protect the motor to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model provides a can protect motor output shaft of motor, includes the output shaft, the one end of output shaft is passed through the ring flange and is connected with the output of motor, the output shaft includes pivot one, pivot two of two coaxial settings, be equipped with intermeshing's tooth's socket, tooth on the relative terminal surface of pivot one and pivot two, the equidistant seting up in the tip of pivot one of tooth, the equidistant shaping of tooth is located on the tip of pivot two, the other end of pivot one passes through the ring flange and is connected with the output of motor, still be equipped with the coupling mechanism who cushions the protection between pivot one and the pivot two to it, coupling mechanism includes fixed cover set collar one on the pivot one and the lantern ring two of being connected through bearing and pivot two rotation, the equidistant telescopic machanism that is four at least of number that is equipped with on the relative terminal surface of lantern ring one and lantern ring two, telescopic machanism slides and locates the telescopic link of the inside and other end and the two fixed connection of lantern ring of sleeve including fixed sleeve, the one end of locating on the lantern ring one, the telescopic link is located the fixed spacing saddle that is equipped with the diameter that the diameter is greater than the telescopic link diameter of the inside one end of sleeve, the one end of spacing saddle dorsad telescopic link is equipped with the spring.

Preferably, the front end of the sleeve is provided with a through hole for the telescopic rod to pass through, the diameter of the through hole is smaller than that of the limiting supporting table, and a containing cavity for the limiting supporting table to slide is arranged inside the sleeve.

Preferably, the limiting support table is provided with at least four limiting blocks which limit the sliding of the limiting support table, and sliding grooves which correspond to the limiting blocks one to one and allow the limiting blocks to slide are formed in the inner side wall of the accommodating cavity.

Preferably, the springs are distributed on the limiting supporting platform at equal intervals, and two ends of the limiting supporting platform are fixedly connected with the limiting supporting platform and the inner bottom of the containing cavity respectively.

Preferably, a contact switch capable of controlling the motor to stop rotating is arranged between the limiting support platform and the accommodating cavity, a moving contact of the contact switch is arranged at one end of the limiting support platform, which is back to the spring, and a static contact of the contact switch is arranged at the front end of the accommodating cavity and is horizontally aligned with the moving contact.

3. Advantageous effects

1. The utility model discloses lantern ring one constitutes extending structure between sliding connection and the lantern ring two through sleeve and telescopic link, when the load ratio is heavier on two free ends of pivot, the tooth in two epaxial pivots at this moment can break away from in the tooth's socket of pivot one under the flexible cooperation of sleeve and telescopic link, with this drive that makes two pivots break away from the motor, avoid pivot two still to continue to rotate when the load is heavier and to its damage that causes, also avoid the pivot to the damage that causes the motor under the overload operation simultaneously, in order to realize the protection to the motor, in addition pivot one and pivot two between the setting of mesh type connection face, can increase the area of contact of pivot one and pivot two, and through the meshing of tooth and tooth's socket, can improve the stability that pivot one is connected with pivot two.

2. The utility model discloses the setting of spring number makes it can stimulate a plurality of positions of spacing saddle to improve the pulling effect of telescopic link to the lantern ring two, improve the meshing effect of pivot one and pivot two.

3. The utility model discloses when the telescopic link is when the extension, the movable contact on the spacing saddle is gradually to holding the chamber on the stationary contact be close to, when movable contact and stationary contact contacted, the motor that is operating can stall under the control of controller to surpass in avoiding the pivot to carry the damage that causes the motor, carry out timely effectual protection, the life of extension motor to the motor.

Drawings

Fig. 1 is a schematic front view of the internal structure of the present invention;

FIG. 2 is a side view of the first rotating shaft;

fig. 3 is a schematic view of the structure inside the sleeve.

Reference numerals: 1-first rotating shaft, 2-second rotating shaft, 3-flange plate, 4-tooth socket, 5-tooth, 6-first lantern ring, 7-second lantern ring, 8-bearing, 9-sleeve, 10-telescopic rod, 11-limiting saddle, 12-limiting block, 13-sliding groove, 14-spring, 15-contact switch and 16-cavity.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Examples

The motor output shaft capable of protecting the motor as shown in fig. 1-3 comprises an output shaft, one end of the output shaft is connected with the output end of the motor through a flange 3, the output shaft comprises a first rotating shaft 1 and a second rotating shaft 2 which are coaxially arranged, the end surfaces of the first rotating shaft 1 and the second rotating shaft 2, which are opposite, are provided with tooth sockets 4 and teeth 5 which are mutually meshed, the tooth sockets 4 are arranged on the end part of the first rotating shaft 1 at equal intervals, the teeth 5 are formed on the end part of the second rotating shaft 2 at equal intervals, the other end of the first rotating shaft 1 is connected with the output end of the motor through the flange 3, and a connecting mechanism for buffering and protecting the first rotating shaft 1 and the second rotating shaft 2 is also;

the connecting mechanism comprises a first lantern ring 6 fixedly sleeved on the first rotating shaft 1 and a second lantern ring 7 rotatably connected with the second rotating shaft 2 through a bearing 8, the end face of the first lantern ring 6 opposite to the second lantern ring 7 is provided with at least four telescopic mechanisms at equal intervals, each telescopic mechanism comprises a sleeve 9 fixedly arranged on the first lantern ring 6, a telescopic rod 10 with one end slidably arranged in the sleeve 9 and the other end fixedly connected with the second lantern ring 7, one end of the telescopic rod 10 positioned in the sleeve 9 is fixedly provided with a limiting saddle 11 with the diameter larger than that of the telescopic rod 10, springs 14 are equidistantly distributed on the limiting saddle 11, two ends of the limiting saddle 11 are respectively fixedly connected with the limiting saddle 11 and the inner bottom of the accommodating cavity 16, and the springs 14 are arranged in number, so that the springs can pull a plurality of parts of the limiting saddle 11, the pulling effect of the telescopic rods 10 on the second lantern ring 7 is improved, and the meshing effect of the first rotating shaft 1 and the second rotating, a spring 14 is arranged at one end of the limiting saddle 11 back to the telescopic rod 10;

the front end of the sleeve 9 is provided with a through hole for the telescopic rod 10 to pass through, the diameter of the through hole is smaller than that of the limiting saddle 11, a containing cavity 16 for the limiting saddle 11 to slide is arranged inside the sleeve 9, the limiting saddle 11 is provided with at least four limiting blocks 12 for limiting the sliding of the limiting saddle 11, the inner side wall of the containing cavity 16 is provided with sliding grooves 13 which correspond to the limiting blocks 12 one by one and are used for limiting the sliding of the limiting blocks 12 on the corresponding sides, and the telescopic rod 10 during telescoping can be limited through the sliding connection of the limiting blocks 12 and the sliding grooves 13 so as to ensure that the sliding between the telescopic rod 10 and the sleeve 9 can be carried out stably;

be equipped with steerable motor stall's contact switch 15 between spacing saddle 11 and the appearance chamber 16, the one end of spacing saddle 11 dorsad spring 14 is located to contact switch 15's movable contact, and contact switch 15's stationary contact is located and is held 16 front ends and align with the movable contact level, when telescopic link 10 is in the extension, the movable contact on the spacing saddle 11 is gradual is close to the stationary contact on the appearance chamber 16, when movable contact and stationary contact, the motor that is operating can stall under the control of controller, in order to avoid surmounting in the pivot to carry the damage that causes the motor, in time effectual protection is carried out to the motor, the life of extension motor.

The specific application process of the motor output shaft capable of protecting the motor comprises the following steps: when the motor is in operation, the spring 14 pulls the limiting saddle 11 on the end of the telescopic rod 10, so that the teeth 5 on the rotating shaft II 2 are tightly attached to the tooth sockets 4 on the rotating shaft I1 under the action of the spring 14, when the free end of the rotating shaft II 2 is heavily loaded, the teeth 5 on the rotating shaft II 2 can be separated from the tooth sockets 4 on the rotating shaft I1 under the telescopic matching of the sleeve 9 and the telescopic rod 10, so that the rotating shaft II 2 is separated from the driving of the motor, the rotating shaft II 2 is prevented from continuing to rotate and damaging the rotating shaft II under the heavy load, when the telescopic rod 10 extends, the movable contact on the limiting saddle 11 gradually approaches to the fixed contact on the accommodating cavity 16, when the movable contact is in contact with the fixed contact, the operating motor stops rotating under the control of the controller, so as to prevent the rotating shaft from being overloaded and damaging the motor, and effectively protect the motor in time, the life of extension motor, when telescopic link 10 takes place to slide with sleeve 9 in addition, accessible stopper 12 and sliding connection of spout 13 carry on spacingly to telescopic link 10 when flexible to guarantee that the slip between telescopic link 10 and the sleeve 9 can steady go on, just so accomplished the use of motor output shaft.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. The utility model provides a can protect motor output shaft of motor, includes the output shaft, the output end that ring flange (3) and motor are passed through to the one end of output shaft is connected, a serial communication port, the output shaft includes pivot one (1), pivot two (2) of two coaxial settings, be equipped with intermeshing's tooth's socket (4), tooth (5) on the terminal surface that pivot one (1) is relative with pivot two (2), equidistant seting up in the tip of pivot one (1) of tooth's socket (4), on the tip of pivot two (2) is located in the shaping of tooth (5) equidistant, the other end of pivot one (1) passes through ring flange (3) and is connected with the output of motor, still be equipped with the coupling mechanism who cushions the protection between it between pivot one (1) and pivot two (2), coupling mechanism is including fixed cover lantern ring (6) of fixing on pivot one (1) and the lantern ring of being connected with pivot two (2) rotation through bearing (8), the lantern ring that coupling mechanism rotates Two (7), the equidistant telescopic machanism that the number is four at least that is equipped with on the terminal surface that the lantern ring one (6) is relative with lantern ring two (7), telescopic machanism locates inside and the other end of sleeve (9) telescopic link (10) with lantern ring two (7) fixed connection including fixed sleeve (9), the one end of locating on the lantern ring one (6) slip, telescopic link (10) are located fixed spacing saddle (11) that are equipped with the diameter that the diameter is greater than telescopic link (10) diameter of sleeve (9) inside one end, the one end of spacing saddle (11) telescopic link (10) dorsad is equipped with spring (14).

2. The motor output shaft capable of protecting the motor according to claim 1, wherein a through hole for the telescopic rod (10) to pass through is formed in the front end of the sleeve (9), the diameter of the through hole is smaller than that of the limiting saddle (11), and a cavity (16) for the limiting saddle (11) to slide is formed in the sleeve (9).

3. The motor output shaft capable of protecting the motor according to claim 2, wherein the number of the limiting support table (11) is at least four, the limiting support table (11) is provided with limiting blocks (12) for limiting the sliding of the limiting support table (11), and the inner side wall of the accommodating cavity (16) is provided with sliding grooves (13) which are in one-to-one correspondence with the limiting blocks (12) and are used for sliding the limiting blocks (12) on the corresponding side.

4. The motor output shaft capable of protecting the motor according to claim 2, wherein the springs (14) are distributed on the limiting support table (11) at equal intervals, and two ends of the limiting support table (11) are fixedly connected with the limiting support table (11) and the inner bottom of the accommodating cavity (16) respectively.

5. The motor output shaft capable of protecting the motor according to claim 2, wherein a contact switch (15) capable of controlling the motor to stop rotating is arranged between the limit bracket (11) and the accommodating cavity (16), a moving contact of the contact switch (15) is arranged at one end of the limit bracket (11) opposite to the spring (14), and a fixed contact of the contact switch (15) is arranged at the front end of the accommodating cavity (16) and is horizontally aligned with the moving contact.