CN115899364A

CN115899364A - Large-scale high-torque driving valve

Info

Publication number: CN115899364A
Application number: CN202211071514.7A
Authority: CN
Inventors: 刘焕保; 郭林枝; 刘权; 郭敏
Original assignee: Baotou Huameng Environmental Protection Energy Saving Technology Development Co ltd
Current assignee: Baotou Huameng Environmental Protection Energy Saving Technology Development Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-04-04

Abstract

The invention relates to the technical field of field large-scale valve structures, in particular to a large-scale high-torque driving valve; the valve comprises a valve body, a first driving piece and a second driving piece, wherein the first driving piece and the second driving piece are arranged on the valve body; driving a valve rod on the valve body to rotate positively and negatively; the application provides a valve is driven to high moment of torsion to solve the long-time corrosion back of large-scale valve, the unable problem of drive conversion of direct current motor.

Description

Large-scale high-torque driving valve

Technical Field

The invention relates to the technical field of field large-scale valve structures, in particular to a large-scale high-torque driving valve.

Background

At present, the valve is a control part in a fluid conveying system, and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, and the realization of the functions is realized by different types of valves; the variety and specification of various valves used in the automatic control system from the simplest stop valve to the extremely complicated automatic control system are quite various; the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

In long-distance water pipeline engineering, a valve well is an indispensable facility, a large valve (with the diameter of about one meter) is arranged in the valve well and used for controlling the on-off of the whole pipeline, and maintenance personnel need to close and open the valve under special conditions; meanwhile, the large valve is placed in the field for a long time, and is not reversed for a long time, so that the valve is inevitably corroded under the influence of a humid environment; the built-in direct current motor (generally powered by a dry battery) of the valve can not drive the large valve to close and open the valve, and the valve is failed to open and close.

Because no power supply is available in the field, the existing maintenance personnel need to drive the generator when performing valve closing and opening operations, and high torque is generated through a generator speed changer and the like, so that a valve rod of a large valve is driven to rotate; based on the inventor, the valve is driven by a large high-torque valve.

Disclosure of Invention

The invention provides a large high-torque driving valve, and aims to provide a high-torque driving valve to solve the problem that a direct current motor cannot drive and convert a large valve after the large valve is rusted for a long time.

The technical scheme adopted by the invention is as follows: a large high-torque driving valve comprises a valve body, a first driving piece and a second driving piece, wherein the first driving piece and the second driving piece are arranged on the valve body; the valve rod on the valve body is driven to rotate positively and negatively.

Furthermore, the first driving piece and the second driving piece are jacks, one ends of the first rack and the second rack are fixed to pushing heads of the jacks respectively, a driving gear is arranged on a valve rod of the valve body, and the first rack and the second rack are meshed with two sides of the driving gear respectively.

Furthermore, the other sides of the first rack and the second rack are limited through a supporting frame, and the first rack and the second rack are respectively in sliding fit with the fixing sleeves on the two sides.

Furthermore, the supporting plate is of a T-shaped structure, and two sides of the supporting plate are respectively provided with a fixed sleeve; the fixing sleeve is provided with a T-shaped limiting groove corresponding to the first rack and the second rack, and the first rack and the second rack are respectively in sliding fit with the fixing sleeve on two sides; the protruding parts of the first rack and the second rack are in sliding fit with the limiting groove for limiting, and the tooth structures of the first rack and the second rack are not in contact with the edge of the limiting groove.

Specifically, the jack adopts a hydraulic jack, the hydraulic jack is fixed with the upper side of the valve body through a mounting plate, a motor positioning plate is horizontally arranged in the middle of the mounting plate, and the motor is vertically arranged on the motor positioning plate; a motor shaft of the motor penetrates through the motor positioning plate and is fixed with the clutch gear assembly; bearing mounting plates are respectively arranged on two sides of the motor positioning plate, and the bearings are arranged on the bearing mounting plates through shaft seats; the transmission shaft is arranged on the bearing, the upper side of the transmission shaft is provided with a linkage wheel, the lower side of the transmission shaft is provided with a working gear corresponding to the clutch driven gear, and the working gear is used for being meshed with the clutch gear assembly; an eccentric column is arranged on the upper side of the linkage wheel, the upper side of the eccentric column is in running fit with one side of the extrusion plate, and a driving groove is formed in the other side of the extrusion plate; the pressure lever of the hydraulic jack is provided with a driving column which is in sliding fit in the driving groove.

Specifically, the clutch gear assembly comprises a clutch wheel carrier and a clutch driving gear, the clutch driving gear is in key connection with a motor shaft of the motor, a fixed shaft is arranged on the lower side of the clutch wheel carrier, the clutch driven gear is rotatably arranged on the fixed shafts on the two sides, and the transmission gear is rotatably arranged on a rotating shaft between the clutch driving gear and the clutch driven gear; the clutch driving gear is in transmission connection with the clutch driven gear through the transmission gear.

Furthermore, a mechanical jack is adopted as the jack; the mechanical jack is fixed with the upper side of the valve body through a mounting plate, a first bevel gear is arranged on a rotating arm of the mechanical jack, and the motor is vertically and horizontally arranged on the mounting plate; the motor shaft of the motor penetrates out of the mounting plate to be connected with the second bevel gear key, and two sides of the second bevel gear are respectively meshed with the first bevel gear.

The invention achieves the following beneficial effects: the jack is powered by the driving device, the driving device provides a driving force to drive the jacks to respectively extend, the driving gear is driven by the jacks to rotate, the driving gear is driven by the first rack to rotate to open the valve, and the driving gear is driven by the second rack to rotate to close the valve; the large torque is generated by the driving of the jack and the extension of the rack; thereby solving the problems that the large valve can generate rust and is inconvenient to open.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the first rack and the second rack of the present invention.

Fig. 3 is a schematic structural view of the fixing sleeve of the present invention.

Fig. 4 is a schematic view of the motor position of the present invention.

Fig. 5 is a schematic view of the working gear position of the present invention.

FIG. 6 is a schematic view of the linkage wheel and the extrusion plate of the present invention.

FIG. 7 is a schematic view of the engagement of the clutch driving gear and the transmission gear of the present invention.

Fig. 8 is a schematic view of the structure of the compression plate of the present invention.

Fig. 9 is a schematic structural view of a first bevel gear and a second bevel gear of the invention.

In the figure, 1, a valve body; 2. a drive gear; 3. a first rack; 4. a second rack; 5. a jack; 6. a support plate; 7. fixing a sleeve; 8. mounting a plate; 9. a motor; 10. a clutch wheel carrier; 11. a clutch driving gear; 12. a transmission gear; 13. a clutch driven gear; 14. a working gear; 15. a bearing mounting plate; 16. a bearing; 17. a drive shaft; 18. a linkage wheel; 19. an eccentric column; 20. a pressing plate; 21. a drive column; 22. a first bevel gear; 23. a second bevel gear.

Detailed Description

To facilitate an understanding of the present invention by those skilled in the art, specific embodiments thereof are described below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Firstly, introducing an application scene of the application: a large valve is arranged in the field and arranged in a valve well for controlling the on-off of the whole pipeline, and maintenance personnel need to close and open the valve under special conditions; meanwhile, the large valve is placed in the field for a long time, the reversing is not carried out for a long time, and the valve can be corroded under the influence of a humid environment; the direct current motor 9 (generally powered by a dry battery) arranged in the valve can not drive the large valve to close and open the valve any more, and the existing maintenance personnel need to drive the generator 9 when closing and opening the valve due to no power supply in the field, and generate high torque through a transmission of the generator 9 and the like, so that the valve rod of the large valve is driven to rotate; therefore, when the valve is maintained in the field for overhaul, equipment such as a generator 9 and the like needs to be carried, as shown in fig. 1, the invention provides a large-scale high-torque driving valve which comprises a valve body 1 and structures such as a necessary dust cover and the like on the valve body 1, wherein the valve body 1 is a large-scale ball valve, a lock valve or a flap valve and the like, and the valve rod on the valve body rotates to drive the valve body 1 to be opened and closed; a driving gear 2 is arranged on a valve rod of the valve body 1, and a first rack 3 and a second rack 4 are respectively matched on the left side and the right side of the driving gear 2; one ends of the first rack 3 and the second rack 4 are respectively fixed with the pushing head of the jack 5, and the other ends of the first rack and the second rack are limited by the supporting frame; the first rack 3 and the second rack 4 are of T-shaped cross-section structures, and one side of the first rack is provided with a tooth structure meshed with the driving gear 2; the support frame comprises a support plate 6 which is vertically fixed with the upper side of the valve body 1; the supporting plate 6 is of a T-shaped structure, and two sides of the supporting plate 6 are respectively provided with a fixed sleeve 7; the fixed sleeve 7 is provided with T-shaped limiting grooves corresponding to the first rack 3 and the second rack 4, and the first rack 3 and the second rack 4 are respectively in sliding fit with the fixed sleeve 7 on two sides; the protruding parts of the first rack 3 and the second rack 4 are in sliding fit with the limiting grooves for limiting, and the tooth structures of the first rack 3 and the second rack 4 are not in contact with the edges of the limiting grooves; the fixed sleeve 7 limits the first rack 3 and the second rack 4; therefore, after the two racks shake in the action process, the condition that the racks and the driving gear 2 are matched to fail and knock teeth is avoided, the jack 5 provides power through the driving device, the driving device provides driving force to drive the jack 5 to respectively extend, the jack 5 drives the driving gear 2 to rotate, the first rack 3 drives the driving gear 2 to rotate to open the valve, and the second rack 4 drives the driving gear 2 to rotate to close the valve; the jack 5 drives and the rack extends to generate larger torque; thereby solving the problems that the large valve can generate rust and is inconvenient to open.

Example one

As shown in fig. 2, the jack 5 is a hydraulic jack 5, the bottom of the hydraulic jack 5 is fixed to the upper side of the valve body 1 through an L-shaped mounting plate 8, a motor positioning plate is horizontally arranged in the middle of the mounting plate 8, a motor 9 is vertically arranged on the motor positioning plate, and the motor 9 is a direct current motor 9 which can be driven by a battery; a motor shaft of the motor 9 penetrates through the motor positioning plate and is fixed with the clutch gear assembly; as shown in fig. 7, the clutch gear assembly includes a clutch wheel carrier 10 and a clutch driving gear 11, the clutch driving gear 11 is connected with a motor shaft key of the motor 9, a fixed shaft is arranged at the lower side of the clutch wheel carrier 10, a clutch driven gear 13 is rotatably arranged on the fixed shafts at both sides, and a transmission gear 12 is rotatably arranged on a rotating shaft between the clutch driving gear 11 and the clutch driven gear 13; the clutch driving gear 11 is in transmission connection with a clutch driven gear 13 through a transmission gear 12; as shown in fig. 8; bearing mounting plates 15 are respectively arranged on two sides of the motor positioning plate, and a bearing 16 is arranged on the bearing mounting plates 15 through a shaft seat; the transmission shaft 17 is arranged on the bearing 16, the upper side of the transmission shaft 17 is provided with a linkage wheel 18, and the lower side of the transmission shaft 17 is provided with a working gear 14 corresponding to the clutch driven gear 13; an eccentric column 19 is arranged on the upper side of the linkage wheel 18, the upper side of the eccentric column 19 is in running fit with one side of an extrusion plate 20, and a driving groove is formed in the other side of the extrusion plate 20; a driving column 21 is arranged on a pressure rod of the hydraulic jack 5, and the driving column 21 is in sliding fit with the driving groove; when the hydraulic lifting device works, an oil discharge valve of the hydraulic jack 5 of the first rack 3 is closed, an oil discharge valve of the hydraulic jack 5 of the second rack 4 is opened, the motor 9 rotates forwards to drive the clutch wheel frame 10 to rotate in the forward rotation direction, the clutch driven gear 13 is in meshing transmission with the working gear 14 to drive the linkage wheel 18 to rotate, the extrusion plate 20 reciprocally extrudes a compression rod of the hydraulic jack 5, so that the push rod of the hydraulic jack 5 extends, and the first rack 3 drives the driving gear 2 to rotate to open or close the valve; because the oil drain valve of the hydraulic jack 5 of the second rack 4 is opened, the driving gear 2 rotates to drive the second rack 4 to be linked, so that the push rod of the hydraulic jack 5 is retracted; when the reverse operation is carried out, the oil drain valve of the hydraulic jack 5 of the first rack 3 is opened, the oil drain valve of the hydraulic jack 5 of the second rack 4 is closed, and meanwhile, the motor 9 is controlled to rotate reversely.

Example two

As shown in fig. 9, the jack 5 is a mechanical jack 5, and the mechanical jack 5 controls the forward rotation and the reverse rotation of the rotating arm; the bottom of the mechanical jack 5 is fixed with the upper side of the valve body 1 through an L-shaped mounting plate 8, a first bevel gear 22 is arranged on a rotating arm of the mechanical jack 5, a motor 9 is vertically and horizontally arranged on the mounting plate 8, and the motor 9 adopts a direct current motor 9 which can be driven by a battery; a motor shaft of the motor 9 penetrates through the mounting plate 8 to be connected with a second bevel gear 23 in a key mode, and two sides of the second bevel gear 23 are meshed with the first bevel gear 22 respectively; the motor 9 rotates forward to drive the second bevel gear 23 to rotate, so as to drive the rotating arm of the mechanical jack 5 at one side of the first rack 3 to rotate forward and drive the rotating arm of the mechanical jack 5 at one side of the second rack 4 to rotate reversely; the first rack 3 extends under the drive of the mechanical jack 5, and the second rack 4 retracts; the driving gear 2 is engaged between the first rack 3 and the second rack 4; the mechanical jack 5 drives the first rack 3 to extend, and pushes the driving gear 2 to generate high torque to open or close the valve; the second rack 4 is synchronously retracted; when the reverse operation is performed, the motor 9 is controlled to rotate reversely and the motor 9 rotates forwards.

The above-mentioned fixing methods, if not separately described, all use the means of common technique of those skilled in the art, such as welding, nesting, or screw fixing.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A large high torque actuated valve, comprising: the valve comprises a valve body (1), a first driving piece and a second driving piece, wherein the first driving piece and the second driving piece are arranged on the valve body (1), and a driving device drives the first driving piece and the second driving piece to move; the valve rod on the valve body (1) is driven to rotate positively and negatively.

2. The large high torque actuated valve according to claim 1, wherein: the valve is characterized in that the first driving piece and the second driving piece are jacks (5), one ends of the first rack (3) and the second rack (4) are fixed to pushing heads of the jacks (5) respectively, a driving gear (2) is arranged on a valve rod of the valve body (1), and the first rack (3) and the second rack (4) are meshed with two sides of the driving gear (2) respectively.

3. A large high torque actuated valve according to claim 2, wherein: the other sides of the first rack (3) and the second rack (4) are limited through the supporting frame, and the first rack (3) and the second rack (4) are respectively in sliding fit with the fixing sleeves (7) on the two sides.

4. A large high torque actuated valve according to claim 3, wherein: the support plate (6) is of a T-shaped structure, and two sides of the support plate (6) are respectively provided with a fixed sleeve (7); the fixed sleeve (7) is provided with a T-shaped limiting groove corresponding to the first rack (3) and the second rack (4), and the first rack (3) and the second rack (4) are respectively in sliding fit with the fixed sleeve (7) on two sides; the protruding parts of the first rack (3) and the second rack (4) are in sliding fit with the limiting groove for limiting, and the tooth structures of the first rack (3) and the second rack (4) are not in contact with the edge of the limiting groove.

5. A large high torque actuated valve according to claim 2, wherein: the lifting jack (5) adopts a hydraulic lifting jack (5), the hydraulic lifting jack (5) is fixed with the upper side of the valve body (1) through a mounting plate (8), a motor positioning plate is horizontally arranged in the middle of the mounting plate (8), and a motor (9) is vertically arranged on the motor positioning plate; a motor shaft of the motor (9) penetrates through the motor positioning plate and is fixed with the clutch gear assembly; two sides of the motor positioning plate are respectively provided with a bearing mounting plate (15), and a bearing (16) is arranged on the bearing mounting plate (15) through a shaft seat; the transmission shaft (17) is arranged on the bearing (16), the upper side of the transmission shaft (17) is provided with a linkage wheel (18), the lower side of the transmission shaft (17) is provided with a working gear (14) corresponding to the clutch driven gear (13), and the working gear (14) is used for being meshed with the clutch gear assembly; an eccentric column (19) is arranged on the upper side of the linkage wheel (18), the upper side of the eccentric column (19) is in running fit with one side of the extrusion plate (20), and a driving groove is formed in the other side of the extrusion plate (20); the pressure lever of the hydraulic jack (5) is provided with a driving column (21), and the driving column (21) is in sliding fit with the driving groove.

6. The large high torque actuated valve according to claim 5, wherein: the clutch gear assembly comprises a clutch wheel carrier (10) and a clutch driving gear (11), the clutch driving gear (11) is in key connection with a motor shaft of a motor (9), a fixed shaft is arranged on the lower side of the clutch wheel carrier (10), a clutch driven gear (13) is rotationally arranged on the fixed shafts on two sides, and a transmission gear (12) is rotationally arranged on a rotating shaft between the clutch driving gear (11) and the clutch driven gear (13); the clutch driving gear (11) is in transmission connection with the clutch driven gear (13) through a transmission gear (12).

7. A large high torque actuated valve according to claim 2, wherein: the jack (5) adopts a mechanical jack (5); the mechanical jack (5) is fixed with the upper side of the valve body (1) through the mounting plate (8), a first bevel gear (22) is arranged on a rotating arm of the mechanical jack (5), and the motor (9) is vertically and horizontally arranged on the mounting plate (8); the motor shaft of the motor (9) penetrates through the mounting plate (8) and is connected with a second bevel gear (23) in a key mode, and two sides of the second bevel gear (23) are meshed with the first bevel gear (22) respectively.