CN219499124U

CN219499124U - Anti-vibration electric actuating mechanism

Info

Publication number: CN219499124U
Application number: CN202320376619.7U
Authority: CN
Inventors: 胡文植
Original assignee: Nanjing Xinhuaying Automation Equipment Co ltd
Current assignee: Nanjing Xinhuaying Automation Equipment Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-08-08
Anticipated expiration: 2033-03-03

Abstract

The utility model provides an anti-vibration electric actuator, which comprises a base, wherein the top end of the base is provided with an electric actuator lower shell, the top end of the electric actuator lower shell is connected with an electric actuator upper shell, one side of the electric actuator upper shell is provided with a rotary hand wheel, the other side of the electric actuator upper shell is provided with a valve motor, and a damping support assembly is arranged between the valve motor and the base; the damping support assembly comprises a triangular bracket, a semicircular fixing plate, an outer ring plate, an inner ring plate, a connecting column, a damping support spring and a limiting plate. The utility model can play a role of gravity support on the valve motor, so that the valve motor is more stable, the centrifugal force and inertia generated during starting work are reduced, pressure is generated on the connecting part between the valve motor and the electric actuating mechanism, vibration generated during starting and working of the valve motor can be weakened and limited, and damage of vibration to the electric actuating mechanism is reduced.

Description

Anti-vibration electric actuating mechanism

Technical Field

The utility model relates to the field of electric actuators, in particular to an anti-vibration electric actuator.

Background

An electric actuator is a driving device that provides linear or rotational motion, which uses some driving energy and operates under some control signal. The basic type of the valve has three driving modes of partial rotation, multiple rotation and straight stroke, and the multiple rotation electric actuating mechanism is used for controlling the opening, closing or adjusting of the valve, can be controlled remotely and can also be operated on site, and is widely applied to various sewage treatment fields; the function of the device is to receive the control signal from the controller, change the rotation angle of the knife in the valve, and control the medium size, so as to maintain the controlled variable at the required value or within a certain range.

The box body shell of the multi-rotation electric actuator in the current market is generally made of metal, a wiring mechanism, a wiring box cover, an electric box cover part, an electric control part, a valve motor, a hand wheel and other parts are arranged on the box body, and a mounting base is arranged at the bottom of the box body. The existing multi-rotation electric actuating mechanism has the following defects: the valve motor appearance is generally the cylinder, and its one end passes through bolted connection with many gyrations electric actuator main casing, and the other part of valve motor is overhead state, and although can tightly install the valve motor on electric actuator main casing through the bolt, but the weight of valve motor is not light, when valve motor starts and during operation, owing to centrifugal force and inertial effect, can produce pressure to the junction of valve motor and electric actuator on the one hand, on the other hand makes the valve motor unstable inadequately, produces vibrations easily, leads to electric actuator whole life to decline.

Disclosure of Invention

The present utility model aims to provide an anti-vibration electric actuator which overcomes or at least partially solves the above-mentioned problems.

In order to achieve the above purpose, the technical scheme of the utility model is specifically realized as follows:

the utility model provides an anti-vibration electric actuator, which comprises a base, wherein the top end of the base is provided with an electric actuator lower shell, the top end of the electric actuator lower shell is connected with an electric actuator upper shell, one side of the electric actuator upper shell is provided with a rotary hand wheel, the other side of the electric actuator upper shell is provided with a valve motor, and a damping support assembly is arranged between the valve motor and the base;

the damping support assembly comprises a triangular bracket, a semicircular fixing plate, an outer ring plate, an inner ring plate, a connecting column, damping support springs and a limiting plate, wherein the triangular bracket is connected to the top end of the base, the semicircular fixing plate is connected to the top end of the triangular bracket, the outer ring plate is connected to the top end of the semicircular fixing plate, the inner ring plate is fixedly sleeved on one end outer wall of the valve motor, the plurality of annular connecting columns distributed at equal intervals are fixedly connected to the outer wall of the inner ring plate, the damping support springs are sleeved on the outer portion of the connecting column, and the other end of the connecting column movably penetrates through the outer side of the outer ring plate and is connected with the limiting plate.

As a further scheme of the utility model, the inner ring plate is arranged in the outer ring plate, and the inner ring plate and the outer ring plate are concentric circles.

As a further scheme of the utility model, the limiting plate is arc-shaped, and a soft rubber pad is arranged on one side of the limiting plate, which is contacted with the outer ring plate.

As a further scheme of the utility model, an inner ring rubber pad is arranged between the inner ring plate and the valve motor.

As a further scheme of the utility model, a groove is formed in the inner wall of the semicircular fixing plate and located at the position of the limiting plate.

As a further scheme of the utility model, the bottom end of the base is provided with a plurality of uniformly distributed rubber base pads, and the rubber base pads are arranged in a suction disc shape.

The utility model provides an anti-vibration electric actuating mechanism, which has the beneficial effects that:

1. through having installed shock attenuation supporting component between valve motor and base, the tripod, semicircle fixed plate, outer round board, the inner circle board, the spliced pole, shock attenuation supporting spring and limiting plate can play the effect that gravity supported to valve motor for valve motor is more stable, centrifugal force and inertia that produces when reducing the start-up work, produces pressure to the junction between valve motor and the electric actuator, when valve motor start-up work produced vibrations, these subassemblies cooperate, can weaken and restrict its vibrations, thereby reach shock attenuation and effect that supports, reduce the harm of vibrations to electric actuator.

2. Through being provided with the inner circle rubber pad between inner circle board and the valve motor, can further play the absorbing effect, through being provided with a plurality of evenly distributed's rubber base pad in the bottom of base, for making base installation's more stable, avoid leading to the base to shake too big because the mounting position unevenness leads to producing the space between base and the mounting position.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall front structure of the present utility model.

Fig. 2 is a schematic diagram of the overall side structure of the present utility model.

FIG. 3 is a schematic view of the partial structure of FIG. 2 according to the present utility model.

Fig. 4 is a schematic diagram of the structure a in fig. 3 according to the present utility model.

In the figure: 1. a base; 2. a lower housing of the electric actuator; 3. an upper housing of the electric actuator; 4. rotating a hand wheel; 5. a valve motor; 6. a tripod; 7. a semicircular fixing plate; 8. an outer ring plate; 9. an inner ring plate; 10. a connecting column; 11. a damping support spring; 12. a limiting plate; 13. a soft rubber pad; 14. an inner ring rubber pad; 15. a groove; 16. a rubber bottom pad.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1-4, an anti-vibration electric actuator provided by the embodiment of the utility model comprises a base 1, wherein an electric actuator lower shell 2 is arranged at the top end of the base 1, an electric actuator upper shell 3 is connected at the top end of the electric actuator lower shell 2, a rotary hand wheel 4 is arranged on one side of the electric actuator upper shell 3, a valve motor 5 is arranged on the other side of the electric actuator upper shell 3, and a damping support component is arranged between the valve motor 5 and the base 1;

the damping support assembly comprises a triangular bracket 6, a semicircular fixing plate 7, an outer ring plate 8, an inner ring plate 9, a connecting column 10, a damping support spring 11 and a limiting plate 12, wherein the triangular bracket 6 is connected to the top end of the base 1, the semicircular fixing plate 7 is connected to the top end of the triangular bracket 6, the outer ring plate 8 is connected to the top end of the semicircular fixing plate 7, the inner ring plate 9 is fixedly sleeved on the outer wall of one end of the valve motor 5, a plurality of annular connecting columns 10 which are distributed at equal intervals are fixedly connected to the outer wall of the inner ring plate 9, the damping support spring 11 is sleeved on the outer side of the connecting column 10, and the other end of the connecting column 10 movably penetrates through the outer side of the outer ring plate 8 and is connected with the limiting plate 12.

As shown in fig. 3, the inner race plate 9 is disposed inside the outer race plate 8, and the inner race plate 9 and the outer race plate 8 are concentric circles.

As shown in fig. 3 and 4, the limiting plate 12 is arc-shaped, and a soft rubber pad 13 is provided on a side of the limiting plate 12 contacting the outer race plate 8 in order to attenuate vibration between the limiting plate 12 and the outer race plate 8.

As shown in fig. 3, an inner ring rubber pad 14 is arranged between the inner ring plate 9 and the valve motor 5, so that the damping effect can be further achieved.

As shown in fig. 4, a groove 15 is formed in the inner wall of the semicircular fixing plate 7 and located at the position of the limiting plate 12.

As shown in fig. 2, the bottom end of the base 1 is provided with a plurality of evenly distributed rubber bottom pads 16, and the rubber bottom pads 16 are arranged in a suction disc shape, so that the base 1 is more stably installed, and the situation that gaps are generated between the base 1 and the installation position due to uneven installation positions, which results in overlarge vibration of the base 1, is avoided.

In the use process, one end of the valve motor 5 is arranged on the upper shell 3 of the electric actuating mechanism through bolts, the damping support component is arranged between the valve motor 5 and the base 1, and is close to the other end of the valve motor 5, so that the other end of the valve motor 5 can be supported, the valve motor 5 is prevented from being in an integrally overhead state, when the valve motor 5 is started and works, firstly, the tripod 6, the semicircular fixing plate 7, the outer ring plate 8, the inner ring plate 9, the connecting column 10, the damping support spring 11 and the limiting plate 12 can play a role in supporting the valve motor 5 by gravity, so that the valve motor 5 is more stable, the centrifugal force and inertia generated during starting work are reduced, the pressure is generated at the connecting part between the valve motor 5 and the electric actuating mechanism, the inner ring plate 9 is fixedly sleeved on the shell of the valve motor 5, the inner ring plate 9 and the outer ring plate 8 are connected through a plurality of groups of connecting columns 10, the damping support spring 11 and the limiting plate 12, and the inner ring plate 9 and the outer ring plate 8 are made of a certain elastic steel ring, when the valve motor 5 is started and works, and the components are matched, so that the motor and the damping support and the damping plate 14 can further play a role in limiting the vibration and the vibration pad between the valve motor and the valve motor 5.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims

1. The anti-vibration electric actuating mechanism comprises a base (1), and is characterized in that an electric actuating mechanism lower shell (2) is arranged at the top end of the base (1), an electric actuating mechanism upper shell (3) is connected to the top end of the electric actuating mechanism lower shell (2), a rotary hand wheel (4) is arranged on one side of the electric actuating mechanism upper shell (3), a valve motor (5) is arranged on the other side of the electric actuating mechanism upper shell (3), and a damping support assembly is arranged between the valve motor (5) and the base (1);

the damping support assembly comprises a triangular bracket (6), a semicircular fixing plate (7), an outer ring plate (8), an inner ring plate (9), connecting columns (10), damping support springs (11) and limiting plates (12), wherein the triangular bracket (6) is connected to the top end of the base (1), the semicircular fixing plate (7) is connected to the top end of the triangular bracket (6), the outer ring plate (8) is connected to the top end of the semicircular fixing plate (7), the inner ring plate (9) is fixedly sleeved on the outer wall of one end of the valve motor (5), the connecting columns (10) which are distributed in an annular mode are fixedly connected to the outer wall of the inner ring plate (9), the damping support springs (11) are sleeved on the outer side of the connecting columns (10), and the other ends of the connecting columns (10) movably penetrate through the outer side of the outer ring plate (8) and are connected with the limiting plates (12).

2. The vibration-resistant electric actuator according to claim 1, wherein the inner race plate (9) is disposed inside the outer race plate (8), and the inner race plate (9) and the outer race plate (8) are concentric circles.

3. The vibration-resistant electric actuator according to claim 1, wherein the limiting plate (12) is arc-shaped, and a soft rubber pad (13) is provided on a side of the limiting plate (12) contacting the outer ring plate (8).

4. An anti-vibration electric actuator according to claim 1, characterized in that an inner ring rubber pad (14) is arranged between the inner ring plate (9) and the valve motor (5).

5. The vibration-resistant electric actuator according to claim 1, wherein the inner wall of the semicircular fixing plate (7) is provided with a groove (15) at the position of the limiting plate (12).

6. The vibration-resistant electric actuator according to claim 1, wherein a plurality of uniformly distributed rubber base pads (16) are provided at the bottom end of the base (1), and the rubber base pads (16) are provided in a suction plate shape.

7. A vibration-resistant electric actuator according to claim 1, characterized in that the inner (9) and outer (8) ring plates are made of a steel ring of a certain elasticity.