CN217207975U

CN217207975U - Transmission mechanism of multi-rotation electric actuator driving rotary rod type high-pressure regulating valve

Info

Publication number: CN217207975U
Application number: CN202220902691.4U
Authority: CN
Inventors: 胡汗华; 张金祥; 李冬枝; 胡汗武; 胡素华
Original assignee: Juhua Valve Co ltd
Current assignee: Juhua Valve Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-08-16
Anticipated expiration: 2032-04-15

Abstract

The utility model relates to the technical field of regulating valves, in particular to a transmission mechanism of a multi-turn electric actuator driving rotary rod type high-pressure regulating valve, which comprises a high-pressure valve main body, wherein the upper end of the high-pressure valve main body is respectively connected with a threaded connecting rod and a protective shell, the outer surface of the side end of the threaded connecting rod is provided with a connecting column, the upper end of the connecting column is connected with a first gear, a bearing assembly is arranged at the joint of the connecting column and the protective shell, the outer surface of one side of the first gear is provided with a second gear, the connecting column, the first gear, the second gear, a driving shaft and a stepping motor are arranged to be beneficial to automatically controlling the high-pressure valve main body through the stepping motor, the efficiency can be improved, the flow of the high-pressure valve main body can be accurately controlled, and the connecting column can rotate in the protective shell through the arrangement of a bearing outer ring, a roller, a bearing inner ring and a sealing ring, the friction between the connecting column and the protective shell can be effectively reduced.

Description

Transmission mechanism of multi-rotation electric actuator driving rotary rod type high-pressure regulating valve

Technical Field

The utility model relates to a governing valve technical field specifically is a many gyration electric actuator drive rotating-rod type high pressure adjusting valve's drive mechanism.

Background

The regulating valve is also called a control valve, and is a final control element for changing technological parameters such as medium flow, pressure, temperature, liquid level and the like by means of power operation; a rotary rod type high-pressure regulating valve is one of regulating valves.

Most of the existing rotary rod type high-pressure regulating valves are controlled by manually rotating wheel discs, the labor intensity of manual operation is high, the efficiency is low, and the control of the flow is not accurate enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a many gyration electric actuator drive rotating-rod type high pressure regulating valve's drive mechanism to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a transmission mechanism of a multi-rotation electric actuator driving rotary rod type high-pressure regulating valve comprises a high-pressure valve main body, wherein the upper end of the high-pressure valve main body is respectively connected with a threaded connecting rod and a protective shell, a connecting column is arranged on the outer surface of the side end of the threaded connecting rod, a first gear is connected with the upper end of the connecting column, a bearing assembly is arranged at the connecting position of the connecting column and the protective shell, a second gear is arranged on the outer surface of one side of the first gear, a driving shaft is connected with the upper end of the second gear, a stepping motor is connected with the upper end of the driving shaft, a limiting slide block is connected with the upper end of the threaded connecting rod, and a limiting slide rail is arranged on the outer surface of the side end of the limiting slide block;

the bearing assembly comprises a bearing outer ring, a roller is arranged on the outer surface of the inner side of the bearing outer ring, a bearing inner ring is arranged on the outer surface of one side of the roller, and sealing rings are installed at the upper end and the lower end of the roller.

As the utility model discloses preferred scheme, the connected mode of threaded connection rod and high-pressure valve main part is swing joint, protective housing is fixed weld with the connected mode of threaded connection rod, the connected mode of first gear and reference column is fixed weld.

As the utility model discloses preferred scheme, the connected mode of threaded connecting rod and spliced pole, first gear is threaded connection, the connected mode of second gear and drive shaft is fixed welding, the connected mode of second gear and first gear is the meshing and is connected.

As the utility model discloses preferred scheme, connected mode between spacing slide rail and the protective housing is fixed welding, the connected mode of spacing slider and protective housing, spacing slide rail is sliding connection.

As the utility model discloses preferred scheme, the connected mode of spliced pole and bearing inner race is fixed weld, the connected mode of protective housing and bearing inner race is fixed weld.

As the utility model discloses preferred scheme, the bearing inner race passes through the roller and is connected with the bearing inner race rotation, the spliced pole passes through bearing assembly and is connected with protective housing rotation.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through setting up spliced pole, first gear, second gear, drive shaft, step motor, spacing slider and spacing slide rail, step motor passes through that drive shaft drive second gear is rotatory, and the second gear is rotatory through first gear drive spliced pole, can drive the screw thread connecting rod when the spliced pole is rotatory and go up and down to be favorable to through step motor automatic control high-pressure valve main part, not only can raise the efficiency, still be favorable to the accurate flow of accuse high-pressure valve main part.

2. The utility model discloses in, through setting up bearing inner race, roller, bearing inner race and seal ring, spliced pole and bearing inner race fixed weld, bearing inner race and protective housing fixed weld, bearing inner race pass through the roller and are connected with the bearing inner race rotation to make the spliced pole when protective housing is inside rotatory, can effectively reduce the frictional force between spliced pole and the protective housing.

Drawings

FIG. 1 is a general schematic view of the present invention;

FIG. 2 is a side sectional view of the protective housing of the present invention;

fig. 3 is a schematic view of the overall structure of the first gear and the second gear of the present invention;

fig. 4 is a schematic view of the bearing assembly according to the present invention.

In the figure: 1. a high pressure valve body; 2. a threaded connecting rod; 3. a protective housing; 4. connecting columns; 5. a first gear; 6. a bearing assembly; 601. a bearing outer race; 602. a roller; 603. a bearing inner race; 604. sealing a ring; 7. a second gear; 8. a drive shaft; 9. a stepping motor; 10. a limiting slide block; 11. and limiting sliding rails.

Detailed Description

The embodiments of the present invention will be combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the invention, a number of embodiments of the invention will be described more fully hereinafter with reference to the accompanying drawings, but which may be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided so as to render the disclosure more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes one or more of the associated listed items and all combinations.

Referring to fig. 1-4, the present invention provides a technical solution:

a transmission mechanism of a multi-rotation electric actuator driving rotary rod type high-pressure regulating valve comprises a high-pressure valve main body 1, wherein the upper end of the high-pressure valve main body 1 is connected with a threaded connecting rod 2 and a protective shell 3 respectively, the outer surface of the side end of the threaded connecting rod 2 is provided with a connecting column 4, the upper end of the connecting column 4 is connected with a first gear 5, the joint of the connecting column 4 and the protective shell 3 is provided with a bearing assembly 6, the outer surface of one side of the first gear 5 is provided with a second gear 7, the upper end of the second gear 7 is connected with a driving shaft 8, the upper end of the driving shaft 8 is connected with a stepping motor 9, the upper end of the threaded connecting rod 2 is connected with a limiting slide block 10, and the outer surface of the side end of the limiting slide block 10 is provided with a limiting slide rail 11;

the bearing assembly 6 comprises a bearing outer ring 601, a roller 602 is arranged on the outer surface of the inner side of the bearing outer ring 601, a bearing inner ring 603 is arranged on the outer surface of one side of the roller 602, and sealing rings 604 are arranged at the upper end and the lower end of the roller 602.

In an embodiment, referring to fig. 1, 2 and 3, the threaded connecting rod 2 is movably connected with the high-pressure valve main body 1, the protective shell 3 is fixedly welded with the threaded connecting rod 2, the first gear 5 is fixedly welded with the connecting column 4, and the protective shell 3 is convenient for protecting the stepping motor 9; the threaded connecting rod 2 is in threaded connection with the connecting column 4 and the first gear 5, the second gear 7 is fixedly welded with the driving shaft 8, the second gear 7 is in meshed connection with the first gear 5, and the driving shaft 8 is convenient for connecting the second gear 7 with the stepping motor 9; the connection mode between the limiting slide rail 11 and the protective shell 3 is fixed welding, the connection modes of the limiting slide block 10, the protective shell 3 and the limiting slide rail 11 are sliding connection, and the limiting slide block 10 and the limiting slide rail 11 can prevent the threaded connecting rod 2 from rotating;

when the high-pressure valve main body 1 is controlled by rotating the threaded connecting rod 2, the stepping motor 9 is controlled to operate through remote control, under the condition that the connection mode of the second gear 7 and the first gear 5 is meshed connection, the stepping motor 9 drives the first gear 5 to rotate through the second gear 7, the first gear 5 drives the connecting column 4 to rotate, under the condition that the connection modes of the threaded connecting rod 2 and the connecting column 4 and the first gear 5 are both in threaded connection, and the connection modes of the limiting slide block 10 and the protective shell 3 and the limiting slide rail 11 are both in sliding connection, the connecting column 4 can drive the threaded connecting rod 2 to ascend and descend through rotation, the high-pressure valve main body 1 is automatically controlled through the stepping motor 9, the efficiency can be improved, and the flow of the high-pressure valve main body 1 can be accurately controlled;

in an embodiment, referring to fig. 1, 2 and 4, the connection mode of the connection column 4 and the bearing inner ring 603 is fixed welding, the connection mode of the protective shell 3 and the bearing outer ring 601 is fixed welding, and the connection column 4 is convenient for driving the threaded connection rod 2 to lift; the bearing outer ring 601 is rotatably connected with the bearing inner ring 603 through the roller 602, the connecting column 4 is rotatably connected with the protective shell 3 through the bearing assembly 6, and the bearing assembly 6 is convenient for reducing the friction force between the connecting column 4 and the protective shell 3;

when the second gear 7 drives the connecting column 4 to rotate through the first gear 5, under the condition that the bearing outer ring 601 is rotationally connected with the bearing inner ring 603 through the roller 602, the connecting column 4 is fixed inside the protective shell 3 through the bearing outer ring 601 and the bearing inner ring 603, and meanwhile, the connecting column 4 can rotate inside the protective shell 3 through the bearing outer ring 601, the roller 602 and the bearing inner ring 603, so that the transmission structure is flexible to operate.

The utility model discloses work flow: when the high-pressure valve main body 1 is controlled by rotating the threaded connecting rod 2, the step motor 9 is controlled to operate through remote control, under the condition that the connection mode of the second gear 7 and the first gear 5 is meshed connection, the step motor 9 drives the first gear 5 to rotate through the second gear 7, the first gear 5 drives the connecting column 4 to rotate, under the condition that the connection modes of the threaded connecting rod 2 and the connecting column 4 and the first gear 5 are both threaded connection, and the connection modes of the limiting slide block 10 and the protective shell 3 and the limiting slide rail 11 are both sliding connection, the connecting column 4 can drive the threaded connecting rod 2 to ascend and descend, which is beneficial to automatically controlling the high-pressure valve main body 1 through the step motor 9, not only can improve the efficiency, but also is beneficial to accurately controlling the flow of the high-pressure valve main body 1, when the connecting column 4 is driven to rotate by the second gear 7 through the first gear 5, under the condition that the bearing outer ring 601 is rotatably connected with the bearing inner ring 603 through the roller 602, the connecting column 4 is fixed inside the protective shell 3 through the bearing outer ring 601 and the bearing inner ring 603, and meanwhile, the connecting column 4 can rotate inside the protective shell 3 through the bearing outer ring 601, the roller 602 and the bearing inner ring 603, so that the transmission structure is flexible in operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a many gyration electric actuator drive rotary rod formula high pressure regulating valve's drive mechanism, includes high pressure valve main part (1), its characterized in that: the high-pressure valve is characterized in that the upper end of the high-pressure valve main body (1) is connected with a threaded connecting rod (2) and a protective shell (3) respectively, a connecting column (4) is installed on the outer surface of the side end of the threaded connecting rod (2), the upper end of the connecting column (4) is connected with a first gear (5), a bearing assembly (6) is installed at the joint of the connecting column (4) and the protective shell (3), a second gear (7) is arranged on the outer surface of one side of the first gear (5), a driving shaft (8) is connected to the upper end of the second gear (7), a stepping motor (9) is connected to the upper end of the driving shaft (8), a limiting slide block (10) is connected to the upper end of the threaded connecting rod (2), and a limiting slide rail (11) is arranged on the outer surface of the side end of the limiting slide block (10);

the bearing assembly (6) comprises a bearing outer ring (601), a roller (602) is arranged on the outer surface of the inner side of the bearing outer ring (601), a bearing inner ring (603) is arranged on the outer surface of one side of the roller (602), and sealing rings (604) are installed at the upper end and the lower end of the roller (602).

2. The transmission mechanism of the multi-turn electric actuator driving rotary rod type high-pressure regulating valve according to claim 1, characterized in that: the connection mode of threaded connecting rod (2) and high-pressure valve main part (1) is swing joint, the connection mode of protective housing (3) and threaded connecting rod (2) is fixed weld, the connection mode of first gear (5) and spliced pole (4) is fixed weld.

3. The transmission mechanism of a multi-rotary electric actuator driven rotary rod type high pressure regulating valve according to claim 1, wherein: the connecting mode of threaded connecting rod (2) and spliced pole (4), first gear (5) is threaded connection, the connecting mode of second gear (7) and drive shaft (8) is fixed weld, the connecting mode of second gear (7) and first gear (5) is meshing connection.

4. The transmission mechanism of a multi-rotary electric actuator driven rotary rod type high pressure regulating valve according to claim 1, wherein: the connection mode between the limiting slide rail (11) and the protective shell (3) is fixed welding, and the connection modes of the limiting slide block (10), the protective shell (3) and the limiting slide rail (11) are sliding connection.

5. The transmission mechanism of the multi-turn electric actuator driving rotary rod type high-pressure regulating valve according to claim 1, characterized in that: the connecting mode of the connecting column (4) and the bearing inner ring (603) is fixedly welded, and the connecting mode of the protective shell (3) and the bearing outer ring (601) is fixedly welded.

6. The transmission mechanism of a multi-rotary electric actuator driven rotary rod type high pressure regulating valve according to claim 1, wherein: the bearing outer ring (601) is rotationally connected with the bearing inner ring (603) through a roller (602), and the connecting column (4) is rotationally connected with the protective shell (3) through a bearing assembly (6).