CN218472943U

CN218472943U - Damping mechanism of switch machine cantilever motor

Info

Publication number: CN218472943U
Application number: CN202222873187.9U
Authority: CN
Inventors: 梅积刚; 王璞汝; 高晓伟; 何建峰; 汝国涛
Original assignee: Xian Railway Signal Co Ltd
Current assignee: Xian Railway Signal Co Ltd
Priority date: 2022-10-30
Filing date: 2022-10-30
Publication date: 2023-02-10
Anticipated expiration: 2032-10-30

Abstract

The utility model relates to a goat cantilever motor's damper, characterized by: the method comprises the following steps: motor mount pad (1), cantilever motor (3), shock attenuation cover (6), motor cover (5), cantilever motor (3) are fixed on motor mount pad (1) through set screw (2), and between motor cover (5) and cantilever motor (3) are arranged in shock attenuation cover (6), and the inner chamber is the toper structure of taking certain inclination, can compress tightly cantilever motor (3) shell along with motor cover (5) axial displacement, provides auxiliary stay for cantilever motor (3) tail end. The damping mechanism of the switch machine cantilever motor is simple in structure and convenient to install, and vibration resistance of the motor is improved.

Description

Damping mechanism of switch machine cantilever motor

Technical Field

The utility model relates to a shock attenuation technique especially is applicable to a damping mechanism of goat cantilever motor.

Background

The electric switch machine is used for an electric centralized station yard, pulls a movable part of a turnout, changes the opening direction of the turnout, locks the turnout at a specified position, enables a train to pass through the turnout according to a specified line, is generally installed at one side of a turnout track and is connected with the track through a rod piece, when the train passes through the track, the impact of a wheel pair can generate certain impact and vibration on the turnout, and the impact and vibration can be transmitted to the switch machine through the rod piece connected with the switch machine, so that the switch machine can be subjected to larger impact and vibration in the using process. Because the space structure of the equipment is limited by the limit of a railway line, the structure of the switch machine is designed to be very compact, and in some occasions, the motor of the switch machine is arranged to be a cantilever mounting structure, external impact vibration can generate certain adverse effect on the motor of the switch machine, and the switching reliability of the switch machine is influenced after long-term use.

Disclosure of Invention

An object of the utility model is to current goat motor mounting structure is not enough, provides a shock attenuation installation mechanism, its simple structure, and simple to operate improves the shock attenuation mechanism of goat cantilever motor of the anti vibration performance of motor.

The technical scheme of the utility model is that: the utility model provides a damping mechanism of goat cantilever motor, characterized by: the method comprises the following steps: the cantilever motor is fixed on the cantilever motor mounting seat through a fixing screw, the damping sleeve is arranged between the motor cover and the cantilever motor, the inner cavity is of a conical structure with a certain inclination, the cantilever motor shell can be compressed along with the axial displacement of the motor cover, and auxiliary support is provided for the tail end of the cantilever motor.

The damping sleeve is arranged at one end of the cantilever motor, the center of the damping sleeve is a through hole, the whole section of the damping sleeve is of a U-shaped structure, the through hole is formed in the bottom of the damping sleeve and can promote air circulation in the inner cavity of the damping sleeve, and heat generated in the process of working and random vibration of the whole motor can be discharged.

The damping sleeve is made of rubber.

The length of the damping sleeve accounts for 1/5 of the length of the cantilever motor, the height of the inner cavity of the motor cover is 1/2, and the damping sleeve is clamped by the motor cover and the cantilever motor; the outside of the damping sleeve is matched with the size of the inner cavity of the motor cover and is limited by being matched with the motor cover.

The motor cover is fixed on the bottom shell through a fixing screw, and the motor cover and the damping sleeve are of an axisymmetric structure around the cantilever motor shaft.

The cantilever motor is arranged on the motor mounting seat through a fixing screw cantilever.

The damping sleeve pushes the bottom of the motor cover, the outer circular surface of the damping sleeve is tightly matched with the inner surface of the motor cover, and the axial limiting boss of the witness mark sleeve is contacted with the boss inside the motor cover to limit the axial outward movement of the damping sleeve.

The utility model has the advantages that a damping mechanism of goat cantilever motor is provided, set up a shock attenuation cover between motor cover and the motor, the absorption vibration impact energy to the motor cover also provides certain auxiliary stay for the motor, improves cantilever motor's anti-vibration performance.

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

Drawings

FIG. 1 shows the damping installation intention of the cantilever motor;

FIG. 2 is a sectional view of the suspension arm motor shock absorption installation;

figure 3 is a schematic view of a damping sleeve.

In the figure, 1, a motor mounting base; 2. a fixing screw; 3. a cantilever motor; 4. a bottom case; 5. a motor cover; 6. a shock-absorbing sleeve.

Detailed Description

As shown in fig. 1, fig. 2 and fig. 3, the utility model relates to a damping mechanism of switch machine cantilever motor, which is characterized in that: the method comprises the following steps: motor mount pad 1, cantilever motor 3, damping sleeve 6, motor cover 5, cantilever motor 3 passes through set screw 2 to be fixed on cantilever motor mount pad 1, damping sleeve 6 is arranged in between motor cover 5 and the cantilever motor 3, the inner chamber is the toper structure of taking certain inclination, can compress tightly cantilever motor 3 shell along with 5 axial displacements of motor cover, provide the auxiliary stay for 3 tail ends of cantilever motor, the spacing boss of axial of damping sleeve 6 and the inside boss contact of motor cover 5.

The damping sleeve 6 is arranged at one end of the cantilever motor 3, a through hole is formed in the center, the whole section is of a U-shaped structure, the damping sleeve 6 is pushed into the bottom of the motor cover 5, the outer circular surface of the damping sleeve 6 is tightly matched with the inner surface of the motor cover 5, and the axial limiting boss of the damping sleeve 6 is in contact with the boss inside the motor cover 5 to limit the axial outward movement of the damping sleeve 6.

The bottom of the damping sleeve 6 is provided with a through hole which can promote the air circulation of the inner cavity of the damping sleeve 6 and can also discharge the heat generated by the cantilever motor 3 in the working and random vibration process of the whole machine.

The damping sleeve 6 is made of rubber, so that vibration generated by the field environment is easily absorbed.

The length of the damping sleeve 6 accounts for 1/5 of the length of the cantilever motor 3, the height of the inner cavity of the motor cover 5 is 1/2, and the damping sleeve 6 is clamped by the motor cover 5 and the cantilever motor 3; the outside of the damping sleeve 6 is matched with the size of the inner cavity of the motor cover 5 and is limited by being matched with the motor cover 5.

The motor cover 5 is fixed on the bottom shell 4 through the fixing screws 2, and the motor cover 5 and the damping sleeve 6 are in an axisymmetric structure around the axis of the cantilever motor 3.

The cantilever motor 3 is cantilever-mounted on the cantilever motor 3 mounting base 1 through the fixing screw 2.

Damping sleeve 6 pushes into the bottom of motor cover 5, and the outer disc of damping sleeve 6 closely cooperates with the internal surface of motor cover 5, and the spacing boss of axial of damping sleeve 6 contacts with the boss of motor cover 5 inside, and restriction damping sleeve 6 moves outward to the axial.

The utility model discloses in, the inner chamber of shock attenuation cover 6 designs into the toper structure of inclination, and at the in-process of motor cover 5 to the installation fastening of drain pan 4, motor cover 5 and shock attenuation cover 6 are simultaneously to 3 axial displacement of cantilever motor, remove the in-process here, and the inner chamber inclined plane of shock attenuation cover 6 can wrap up cantilever motor 3 with the outer disc contact of 3 tail ends of cantilever motor gradually, for cantilever motor 3 provides the auxiliary stay.

Although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention.

Claims

1. A damping mechanism of a point switch cantilever motor is characterized in that: the method comprises the following steps: motor mount pad (1), cantilever motor (3), shock attenuation cover (6), motor cover (5), cantilever motor (3) are fixed on motor mount pad (1) through set screw (2), and between motor cover (5) and cantilever motor (3) are arranged in shock attenuation cover (6), and the inner chamber is the toper structure of taking certain inclination, can compress tightly cantilever motor (3) shell along with motor cover (5) axial displacement, provides auxiliary stay for cantilever motor (3) tail end.

2. The switch machine cantilever motor damping mechanism according to claim 1, wherein: the damping sleeve (6) is arranged at one end of the cantilever motor (3), a through hole is formed in the center, the whole section is of a U-shaped structure, the through hole is formed in the bottom of the damping sleeve (6) and can promote air circulation of the inner cavity of the damping sleeve (6), and heat generated in the process that the cantilever motor (3) works and the whole cantilever motor vibrates randomly can be discharged.

3. The switch machine cantilever motor damping mechanism according to claim 1, wherein: the damping sleeve (6) is made of rubber, so that vibration generated by the field environment is easily absorbed.

4. The switch machine cantilever motor damping mechanism according to claim 1, wherein: the length of the damping sleeve (6) accounts for 1/5 of the length of the cantilever motor (3), the height of the inner cavity of the motor cover (5) is 1/2, and the damping sleeve (6) is clamped by the motor cover (5) and the cantilever motor (3); the outside of the damping sleeve (6) is matched with the size of the inner cavity of the motor cover (5) and is limited by being matched with the motor cover (5).

5. The switch machine cantilever motor damping mechanism according to claim 1, wherein: the motor cover (5) is fixed on the bottom shell (4) through the fixing screws (2), and the motor cover (5) and the damping sleeve (6) are in an axisymmetric structure around the cantilever motor shaft.

6. The switch machine cantilever motor damping mechanism according to claim 1, wherein: the cantilever motor (3) is arranged on the motor mounting seat (1) in a cantilever mode through the fixing screw (2).