CN218818485U - Multi-rotation electric actuator based on gear transmission - Google Patents

Abstract

The utility model discloses a many gyration electric actuator based on gear drive, include: the motor comprises a shell, a motor is fixedly connected to the shell, a motor output gear is fixedly connected to an output shaft of the motor, a first-level large gear meshed with the motor output gear is installed on the shell and corresponds to the position of the motor output gear in a rotating mode through a first-level gear shaft, a first-level small gear meshed with the first-level large gear is installed on the first-level gear shaft and corresponds to the position of the first-level large gear, and a second-level large gear meshed with the first-level small gear is installed on the shell and corresponds to the position of the first-level small gear in a rotating mode through a second-level gear shaft. The utility model provides an each part compact structure of electric actuator to realize miniaturization, lightweight, easily installation, thereby provide very big facility to the electrodynamic transformation of small-bore valve, and open and close with manual mode simultaneously, thereby the promotion of very big limit the utility model discloses a practicality.

Description

Multi-rotation electric actuator based on gear transmission

Technical Field

The utility model relates to an electric actuator technical field, in particular to many gyration electric actuator based on gear drive.

Background

In recent years, electric actuators have been developed rapidly, and many manufacturers have successively introduced intelligent electric actuators with fieldbus communication protocols. The novel intelligent electric actuator integrates the servo amplifier and the actuating mechanism into a whole by utilizing a microcomputer and a field bus communication technology, not only realizes the functions of various control technical requirements such as bidirectional communication, PID (proportion integration differentiation) regulation, online automatic calibration, self-correction and self-diagnosis, but also is additionally provided with the functions of stroke protection, over-torque protection, motor overheat protection, power-off signal protection, field valve position output indication, fault alarm and the like. It can be operated on site or remotely to complete manual operation and undisturbed switching between manual operation and automatic operation.

Along with the improvement of the industrial automation control requirement, the small-caliber valve is gradually replaced from a manual valve to an electric valve, and the intelligent multi-rotation electric actuator commonly used in the market at present mainly aims at the large-caliber valve and the small-caliber multi-rotation valve, and the intelligent electric actuator matched with the small-caliber multi-rotation valve has the advantages of large volume, heavy weight and high installation space requirement, and meanwhile, the manual or electric independent opening mode is adopted, so that the practicability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: the utility model provides a many gyration electric actuator based on gear drive, the utility model provides an each part of electric actuator compact structure to realize miniaturization, lightweight, easily installation, thereby provide very big facility to the electrodynamic transformation of small-bore valve, open and close with manual mode simultaneously moreover, thereby the promotion of very big limit the utility model discloses a practicality.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a multi-rotation electric actuator based on gear transmission comprises:

a housing, fixedly connected with motor on the casing, fixedly connected with motor output gear on the output shaft of motor, on the casing and correspond motor output gear's position rotate through the one-level gear shaft install with motor output gear intermeshing's one-level gear wheel, on the one-level gear shaft and correspond the position of one-level gear wheel install with one-level gear wheel intermeshing's one-level pinion, on the casing and correspond the position of one-level pinion rotate through the second gear shaft install with one-level pinion intermeshing's second grade gear wheel, still install the second grade pinion on the second grade gear shaft, still rotate on the casing and install the output shaft, so on the output shaft and correspond the position of second grade pinion install with second grade pinion intermeshing's output shaft gear, on the one-level gear shaft still fixedly connected with big bevel gear, on the casing and correspond big bevel gear's position install with big bevel gear intermeshing's little bevel gear, little bevel gear's side fixedly connected with manual operation axle.

Preferably, the portable electronic device further comprises a main control panel, and the main control panel is fixedly mounted on the machine shell through a main control panel support.

Preferably, a position sensor gear is mounted on the housing at a position corresponding to the output shaft gear.

Preferably, the housing further comprises a position sensor mounted on the housing.

Preferably, a solid-state relay is further mounted on the housing.

Preferably, a local button is further installed on the housing.

Preferably, a display screen is further mounted on the housing.

The utility model discloses possess following beneficial effect at least:

the utility model discloses, each part compact structure of electric actuator to realize miniaturization, lightweight, easily installation, thereby reform transform the electrokinetic of small-bore valve and provide very big facility, and the promotion of very big limit is opened and close with manual mode simultaneously moreover to the utility model discloses a practicality.

Drawings

Fig. 1 is a schematic front view of an embodiment of the multi-turn electric actuator based on gear transmission according to the present invention;

fig. 2 is a schematic side view of an embodiment of the multi-turn electric actuator based on gear transmission according to the present invention;

fig. 3 is a schematic bottom view of an embodiment of the multi-turn electric actuator based on gear transmission according to the present invention;

the reference numbers illustrate:

100. a housing; 1. a motor output gear; 2. a first-stage bull gear; 201. a primary gear shaft; 3. a primary pinion gear; 4. a secondary bull gear; 401. a secondary gear shaft; 5. a bevel pinion gear; 6. a large bevel gear; 7. a secondary pinion gear; 8. a position sensor gear; 9. an output shaft gear; 10. an output shaft; 11. a position sensor; 12. a main control panel support; 13. a solid state relay; 14. a main control panel; 15. a motor; 16. a manually operated shaft; 17. an in-place button; 18. and a display screen.

Detailed Description

In order to make the technical solution of the present invention better understood, the following description is provided for the purpose of illustrating the present invention with reference to the accompanying drawings and embodiments.

Referring to fig. 1 to 3, the multi-rotation electric actuator based on gear transmission of the present invention includes: a casing 100, a motor 15 is fixedly connected to the casing 100, a motor output gear 1 is fixedly connected to an output shaft of the motor 15, a primary large gear 2 meshed with the motor output gear 1 is rotatably mounted on the casing 100 through a primary gear shaft 201 and corresponds to the position of the motor output gear 1, a primary small gear 3 meshed with the primary large gear 2 is mounted on the primary gear shaft 201 and corresponds to the position of the primary large gear 2, a secondary large gear 4 meshed with the primary small gear 3 is rotatably mounted on the casing 100 and corresponds to the position of the primary small gear 3 through a secondary gear shaft 401, a secondary small gear 7 is further mounted on the secondary gear shaft 401, an output shaft 10 is further rotatably mounted on the casing 100, an output shaft gear 9 meshed with the secondary small gear 7 is mounted on the output shaft 10 and corresponds to the position of the secondary small gear 7, a large bevel gear 6 is further fixedly connected to the primary gear shaft 201, a small bevel gear 5 meshed with the large bevel gear 6 is mounted on the casing 100 and corresponds to the position of the large bevel gear 6, and a manual operation shaft 16 is fixedly connected to the side surface of the small bevel gear 5;

through adopting the technical scheme, the utility model provides an each part compact structure of electric actuator to realize miniaturization, lightweight, easily installation, thereby provide very big facility to the electrodynamic transformation of small-bore valve, open and close with electronic and manual mode simultaneously moreover, thereby the promotion of very big limit the utility model discloses a practicality.

The device also comprises a main control panel 14, wherein the main control panel 14 is fixedly arranged on the machine shell 100 through a main control panel support 12;

by adopting the above technical solution, the main control board 14 is a control core of the electric actuator, and is used for receiving an externally input switching value or analog signal.

Wherein, a position sensor gear 8 is arranged on the casing 100 and corresponding to the position of the output shaft gear 9;

by adopting the above technical scheme, the position sensor gear 8 is used for detecting the position information of the output shaft.

Wherein, the device also comprises a position sensor 11 arranged on the casing 100;

by adopting the above technical scheme, the position sensor 11 transmits the collected valve position signal to the main control panel 14, and the main control panel 14 controls and adjusts the position.

Wherein, the housing 100 is also provided with a solid-state relay 13;

by adopting the technical scheme, the driving circuit controls the positive attraction or the reverse attraction of the solid-state relay 13, so that the positive rotation or the reverse rotation of the motor 15 is realized.

Wherein, the shell 100 is also provided with a local button 17;

by adopting the technical scheme, the actuator is convenient to operate.

Wherein, the casing 100 is also provided with a display screen 18;

by adopting the technical scheme, the working state of the actuator can be conveniently checked.

The utility model discloses a theory of operation is:

electrically operated: motor 15 driving motor output gear 1 rotates, motor output gear 1 and the meshing of one-level gear wheel 2, the one-level gear shaft 201 that drives one-level gear wheel 2 rotates, install one-level pinion 3 simultaneous rotation on one-level gear shaft 201, one-level pinion 3 meshes with second grade gear wheel 4 mutually, drive second grade gear shaft 401 of second grade gear wheel 4 and rotate, install second grade pinion 7 simultaneous rotation on second grade gear shaft 401, second grade pinion 7 meshes with output shaft gear 9 and drives output shaft 10 and rotate, and then do the multiturn rotation through the valve rod that output shaft 10 drove the valve, in order to drive the valve.

Manual operation: the manual operation shaft 16 is rotated to drive the small bevel gear 5 to rotate, under the mutual meshing action of the large bevel gear 6 and the small bevel gear 5, the first-stage gear shaft 201 is driven to rotate, the first-stage pinion 3 arranged on the first-stage gear shaft 201 rotates simultaneously, the first-stage pinion 3 is meshed with the second-stage gearwheel 4, the second-stage gear shaft 401 arranged on the second-stage gearwheel 4 is driven to rotate, the second-stage pinion 7 arranged on the second-stage gear shaft 401 rotates simultaneously, the second-stage pinion 7 is meshed with the output shaft gear 9 to drive the output shaft 10 to rotate, and then the valve rod of the valve is driven to rotate for multiple circles through the output shaft 10 to drive the valve.

Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and 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 technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims (7)

1. Many gyration electric actuator based on gear drive, characterized by includes:

a casing (100), a motor (15) is fixedly connected to the casing (100), a motor output gear (1) is fixedly connected to an output shaft of the motor (15), a primary gearwheel (2) meshed with the motor output gear (1) is rotatably mounted on the casing (100) through a primary gearwheel shaft (201) and corresponds to the position of the motor output gear (1), a secondary gearwheel (4) meshed with the primary gearwheel (3) is rotatably mounted on the primary gearwheel shaft (201) and corresponds to the position of the primary gearwheel (2), a secondary pinion (7) is further mounted on the secondary gearwheel shaft (401), an output shaft (10) is rotatably mounted on the casing (100) and corresponds to the position of the primary pinion (3), an output shaft gear (9) meshed with the secondary gearwheel (7) is mounted on the output shaft (10) and corresponds to the position of the secondary pinion (7), a large gear (6) is fixedly connected to the primary gearwheel shaft (201), and a large bevel gear (6) and a large bevel gear (5) meshed with the large bevel gear (6) are mounted on the casing (100), and the side surface of the small bevel gear (5) is fixedly connected with a manual operation shaft (16).

2. A geared multi-turn electric actuator according to claim 1, wherein: the machine shell is characterized by further comprising a main control board (14), and the main control board (14) is fixedly arranged on the machine shell (100) through a main control board support post (12).

3. A geared multi-turn electric actuator according to claim 2, wherein: and a position sensor gear (8) is arranged on the shell (100) and corresponds to the position of the output shaft gear (9).

4. A geared multi-turn electric actuator according to claim 1, wherein: also includes a position sensor (11) mounted on the housing (100).

5. The geared based multi-turn electric actuator of claim 4, wherein: and a solid-state relay (13) is also arranged on the casing (100).

6. The geared based multi-turn electric actuator of claim 5, wherein: and a local button (17) is also arranged on the shell (100).

7. The geared based multi-turn electric actuator of claim 6, wherein: and a display screen (18) is also arranged on the casing (100).

Images