CN115717617A

CN115717617A - Remote control driver for large-drift-diameter hydraulic operating valve

Info

Publication number: CN115717617A
Application number: CN202211619640.1A
Authority: CN
Inventors: 郭超翔; 杨平
Original assignee: Guangzhou Haizhuo Shipbuilding Technology Co ltd
Current assignee: Guangzhou Haizhuo Shipbuilding Technology Co ltd
Priority date: 2022-12-17
Filing date: 2022-12-17
Publication date: 2023-02-28

Abstract

The invention relates to the technical field of hydraulic valve driving equipment, in particular to a remote control driver for a large-diameter hydraulic operating valve, which comprises an oil tank, an electric cover, a hydraulic driving mechanism and a fixing frame, wherein an oil inlet valve block, an oil pump, a motor, a pressure regulating valve and a proportional valve are arranged in the electric cover, the hydraulic driving mechanism comprises a cylinder body, an oil way cover, two groups of piston rods, a gear and an output shaft, the motion directions of the two groups of piston rods are opposite, the opposite sides of the two groups of piston rods are respectively provided with a rack of a meshing gear, the outer end of the output shaft extends out of the cylinder body, the outer end of the output shaft is connected with a rotary joint, and the rotary joint can be coaxially sleeved on a valve rod of a target operating valve and can transmit torque. The driver provided by the invention can be generally used for various hydraulic operation valves, adopts an electro-hydraulic combination mode, can overcome the defects of pure hydraulic remote control and pure electric remote control at the same time, can realize remote control, can be manually operated beside a machine, adopts an integrated design, and is convenient and rapid to arrange and install on site.

Description

Remote control driver for large-drift-diameter hydraulic operating valve

Technical Field

The invention relates to the technical field of hydraulic valve driving equipment, in particular to a remote control driver for a large-diameter hydraulic operating valve.

Background

When the marine vessel is in use, most of various construction equipment adopts hydraulic power, hydraulic motors of the equipment are frequently used, an operating valve of the equipment is usually a large-drift-diameter large-displacement hydraulic valve, the operating valve is usually operated manually, but the large-drift-diameter hydraulic operating valve can rotate only by large torsion, so that manual operation is very laborious, in addition, remote control operation needs to be realized under a plurality of working conditions, and the requirement of the special working condition cannot be met by manual operation. At present, some marine ships can customize remote control driving equipment for the hydraulic operating valve during shipbuilding, but pure hydraulic remote control or pure electric remote control is adopted, but both the hydraulic remote control and the pure electric remote control have problems, for example, the pure hydraulic remote control has the defects of many leakage points caused by remote laying of hydraulic pipelines, a wall-penetrating room-penetrating process brings many safety risks of oil leakage, the maintenance workload and the difficulty are large, the action delay of the remote hydraulic control is long, the sensitivity is poor and the like; pure electric remote control, which is to drive an operating valve by using a motor as a main driving force, so a high-power motor is needed and a strong electric circuit needs to be laid, for marine ships, the exposed motor and the strong electric circuit have the defects that strict requirements such as corrosion resistance, water resistance, motor weather resistance, temperature control and the like are difficult to meet, the motor and the operating valve of target construction equipment need to be customized and matched, and the torque difference required by the operating valves of different construction equipment is large, so that the customization difficulty is large, and the cost is high.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide a remote control driver for a large-diameter hydraulic operating valve, which can be generally used for hydraulic operating valves of various construction equipment, adopts an electro-hydraulic combination mode, can overcome the defects of pure hydraulic remote control and pure electric remote control at the same time, can realize remote control, can also be manually operated beside a machine, is convenient and flexible to switch, adopts an integrated design, and is convenient and rapid to arrange on site and install.

The task of the invention is realized by the following technical scheme:

the remote control driver comprises an oil tank, an electric cover, a hydraulic driving mechanism and a fixing frame which are fixedly connected into a whole, wherein an oil inlet valve block is arranged in the electric cover, an oil pump, a motor, a pressure regulating valve and a proportional valve, the remote control module of the driver is electrically connected with the motor and the proportional valve and can control the work of the motor and the proportional valve, the motor is used for driving the oil pump, the oil pump is used for providing a power oil source for the hydraulic driving mechanism, the hydraulic driving mechanism comprises a cylinder body, oil circuit covers positioned at two ends of the cylinder body, two groups of piston rods which are positioned between the two oil circuit covers and are arranged in parallel up and down, a gear arranged between the two groups of piston rods and an output shaft which is vertically connected with the axle center of the gear, racks which are meshed with the upper end and the lower end of the gear are respectively arranged on opposite sides of the two groups of piston rods in opposite moving directions, the outer end of the output shaft extends out of the cylinder body and is connected with the cylinder body in a rotatable and sealed mode, the outer end of the output shaft is also connected with a rotary joint, the rotary joint comprises a sleeve and an operating handle, one end of the sleeve is sleeved outside the coaxial output shaft and can rotate relatively, and the sleeve and the valve rod is correspondingly provided with a first pin hole for the operating handle to pass through which can be connected with a key groove of the hydraulic operating handle, so as to lock the sleeve and lock the sleeve.

As a preferred technical scheme, an angle feedback sensor for detecting a rotation angle is further arranged at the output shaft, the angle feedback sensor is connected with the remote control module in a wired or wireless mode so as to transmit a rotation angle signal in real time, and the remote control module can achieve closed-loop feedback control over the rotation angle of the output shaft through the rotation angle signal.

As a preferred technical scheme, the electric cover is fixedly connected below the oil tank, a mounting seat is further arranged in the electric cover, and the oil inlet valve block, the oil pump, the motor, the pressure regulating valve and the proportional valve are arranged around the mounting seat and are fixedly connected with the mounting seat.

As a preferred technical scheme, the electric cover is a sealing waterproof cover, and the lower end of the electric cover is provided with an interface for connecting a power line and a control line.

As a preferred technical scheme, the motor is a micro motor, and the oil pump is a micro hydraulic pump.

The hydraulic drive mechanism comprises a hydraulic valve to be operated, a fixed frame and connecting arms, wherein the fixed frame is used for covering the top of the hydraulic valve to be operated and is fixedly connected with the hydraulic valve to be operated, the connecting arms extend forwards from two sides of the fixed frame, and the other ends of the connecting arms are fixedly connected with the hydraulic drive mechanism.

Compared with the prior art, the remote control driver for the large-drift-diameter hydraulic operation valve provided by the invention has the following advantages: can be general in various construction equipment's hydraulic pressure operating valve, and adopt the mode that the electricity liquid combines, can overcome the shortcoming of pure hydraulic pressure remote control and pure electric remote control simultaneously, can enough realize remote control moreover, can the other manual operation of machine again, the switching is convenient nimble, adopts the design of integrating, and the scene is arranged and simple to operate is swift.

The conception, specific structure and effects of the present invention will be further described in conjunction with the accompanying drawings to fully understand the objects, features and effects of the present invention.

Drawings

FIG. 1 is a schematic diagram of a remote control actuator for a large-bore hydraulically operated valve in an embodiment in use;

FIG. 2 is a schematic view of the exploded structure of FIG. 1;

FIG. 3 is a schematic diagram of the remote control actuator for a large-bore hydraulically-operated valve of the embodiment with the fixed frame, cylinder and part of the electric cover omitted;

fig. 4 is a schematic view of the structure of fig. 3 from another perspective.

Wherein: 1. an oil tank; 2. an electrical enclosure; 21. an oil inlet valve block; 22. an oil pump; 23. a motor; 24. a pressure regulating valve; 25. a proportional valve; 26. a mounting seat; 27. an interface; 3. a hydraulic drive mechanism; 31. a cylinder body; 32. an oil path cover; 33. a piston rod; 331. a rack; 34. a gear; 35. an output shaft; 36. an angle feedback sensor; 4. a swivel joint; 41. a sleeve; 411. a first pin hole; 412. a second pin hole; 413. a keyway; 42. an operating handle; 5. a fixed mount; 51. a fixing frame; 52. a connecting arm; 100. operating the valve; 101. a valve stem; 1011. and a key pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention. In addition, it should be understood that the use of "a plurality" or "a plurality" and the like in the description and claims of this application means two or more. Unless otherwise indicated, "front", "back", "lower", "upper", and the like are for convenience of description and are not limited to one position or one spatial orientation. The terms "connected" or "coupled" and the like are to be construed broadly and may include, for example, a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through intervening elements, and may not be limited to physical or mechanical connections, but may include electrical connections. The specific meaning of the above words in this application will be understood in a particular context to those of ordinary skill in the art.

As shown in fig. 1-4, the remote control driver for a large-bore hydraulic operation valve provided in this embodiment includes an oil tank 1, an electric enclosure 2, a hydraulic driving mechanism 3, and a fixing frame 5, which are fixedly connected to an integral body, an oil inlet valve block 21, an oil pump 22, a motor 23, a pressure regulating valve 24, and a proportional valve 25 are disposed in the electric enclosure 2, the remote control module of the driver is electrically connected to the motor 23 and the proportional valve 25 and can control the operation thereof, the motor 23 is used for driving the oil pump 22, the oil pump 22 is used for providing a power oil source for the hydraulic driving mechanism 3, the hydraulic driving mechanism 3 includes a cylinder body 31, oil way covers 32 disposed at two ends of the cylinder body 31, two sets of piston rods 33 disposed between the two oil way covers 32 and disposed in parallel up and down, a gear 34 disposed between the two sets of piston rods 33, and an output shaft 35 vertically connected to an axis of the gear 34, the two sets of piston rods 33 are opposite in moving direction and opposite sides are respectively provided with racks 331 for engaging the upper end and the lower end of the gear 34, the outer end of the output shaft 35 extends out of the cylinder body 31 and is rotatably and hermetically connected with the cylinder body 31, the outer end of the output shaft 35 is further connected with a rotary joint 4, the rotary joint 4 comprises a sleeve 41 and an operating handle 42, one end of the sleeve 41 is coaxially sleeved outside the output shaft 35 and can rotate relatively, the sleeve 41 and the output shaft 35 are correspondingly provided with a first pin hole 411 for the operating handle 42 to penetrate through so as to lock the sleeve 41 and the output shaft 35, the outer wall of the other end of the sleeve 41 is provided with a second pin hole 412, the inner wall of the sleeve is provided with an axial key groove 413, and the sleeve can be coaxially sleeved on the valve rod 101 of the target hydraulic operating valve 100 and can be clamped with a key pin 1011 on the valve rod 101 through the key groove 413.

The remote control driver for the large-diameter hydraulic operating valve provided by the embodiment comprises an integrated oil tank 1, an electric cover 2, a hydraulic driving mechanism 3 and a fixing frame 5 which are fixedly connected into a whole, when the remote control driver is used, a sleeve 41 of a rotary joint 4 and a valve rod 101 of a target hydraulic operating valve 100 are coaxially sleeved, then the driver is fixedly connected to a valve body of the operating valve 100 by using the fixing frame 5, when the remote control driver is used, an operating handle 42 penetrates through first through holes in the sleeve 41 and an output shaft 35 to be locked and fixed, a remote control module (such as a cab centralized control table) sends signals to a motor 23 and a proportional valve 25, the motor 23 is used for driving an oil pump 22, the oil pump 22 is used for providing a power oil source for the hydraulic driving mechanism 3, the pressure of the power oil source is set in advance by a pressure regulating valve 24, and the proportional valve 25 acts according to a signal proportion given by the remote control module, so as to control the hydraulic driving mechanism 3 to output a proportional torque to drive the output shaft 35 to rotate, and the remote control driver comprises the specific processes: a power oil source enters the hydraulic driving mechanism 3 to drive the two groups of piston rods 33 to axially move along opposite directions, the gear 34 is driven to rotate by utilizing the racks 331 on the piston rods 33, and the output shaft 35 is driven to rotate, so that the linear motion of the two groups of piston rods 33 is converted into the rotary motion of large torque, the torque is transmitted through the rotary joint 4 to drive the valve rod 101 of the operating valve 100 to rotate, and the remote control and driving of the operating valve 100 are realized; when the other manual operation of machine is needed, the operating handle 42 is only needed to be pulled out from the first through hole and then inserted into the second through hole, the operating handle 42 is manually twisted, the valve rod 101 of the operating valve 100 can be driven to rotate, the manual operation is realized, and the sleeve 41 and the output shaft 35 are unlocked at the moment and can rotate freely relatively, so that the reverse action of the driver cannot be driven, and the resistance of the driver cannot be received. Moreover, because the driver of the patent forms an independent hydraulic system by the integrated oil tank 1, the electric cover 2 and the hydraulic driving mechanism 3, the hydraulic driving mechanism 3 is used as a power mechanism for driving the valve rod 101 of the operation valve 100 to rotate, the driving torque is large and convenient to regulate, and the driver is suitable for various large-diameter hydraulic operation valves 100, the motor 23 is only responsible for driving the oil pump 22, so that the motor 23 can adopt the micro motor 23, the oil pump 22 can also adopt the micro oil pump 22, and the torque of the micro motor 23 does not need to be matched with the operation valve 100 of construction equipment, so that the motor 23 with different powers does not need to be customized for different construction equipment; in addition, because the independent closed-loop hydraulic system is arranged in the electric hood 2, a hydraulic pipeline does not need to be laid, and the problems of pure hydraulic remote control can be effectively avoided.

To sum up, the embodiment provides a remote control driver for large-bore hydraulic operating valve, can be general in the hydraulic operating valve 100 of various construction equipment, and adopts the mode that the electricity combines, can overcome the shortcoming of pure hydraulic pressure remote control and pure electric remote control simultaneously, can enough realize remote control moreover, can machine side manual operation again, and the switching is convenient nimble, adopts the design of integrating, and on-the-spot arrangement and simple to operate are swift.

In a preferred embodiment, an angle feedback sensor 36 for detecting a rotation angle is further disposed at the output shaft 35, the angle feedback sensor 36 is connected to the remote control module in a wired or wireless manner so as to transmit a rotation angle signal in real time, and the remote control module can realize closed-loop feedback control of the rotation angle of the output shaft 35 through the rotation angle signal. The advantage of this design is that, make hydraulic drive mechanism 3 can accurate control output shaft 35's turned angle, and then accurate control operating valve 100's aperture size and direction.

In a preferred embodiment, the electrical enclosure 2 is fixedly connected below the oil tank 1, a mounting seat 26 is further disposed in the electrical enclosure 2, and the oil inlet valve block 21, the oil pump 22, the motor 23, the pressure regulating valve 24, and the proportional valve 25 are disposed around the mounting seat 26 and are all fixedly connected with the mounting seat 26. The hydraulic oil way has the advantages of simple and compact structural design, convenience in installation and smoother hydraulic oil way.

As a preferred embodiment, the electric cover 2 is a sealed waterproof electric cover 2, and the lower end of the electric cover 2 is provided with an interface 27 for connecting a power line and a control line, in this embodiment, the electric cover 2 is made of 316L material and is matched with a protective cover, so that the protection level of IP68 can be achieved, and the electric cover is conveniently applied to the operation valve 100 of each construction device exposed on the deck of a maritime craft.

In a preferred embodiment, the fixing frame 5 comprises a fixing frame 51 for covering the top of the hydraulic valve to be operated and fixedly connecting with the hydraulic valve, and a connecting arm 52 extending forward from both sides of the fixing frame 51, and the other end of the connecting arm 52 is fixedly connected with the hydraulic driving mechanism 3. The advantage of this design is, can make the driver installation fix on the valve body of target operating valve 100, and keep unsettled setting, do not receive the influence of the interference of the unevenness structure on ground, deck surface or other equipment, the mounting means is nimble convenient.

The foregoing description is only exemplary of the preferred embodiments of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to embodiments having a specific combination of the above-mentioned features, but also encompasses other embodiments having any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above-mentioned features and technical features (but not limited to) having similar functions disclosed in this application are replaced with each other to form the embodiments.

Claims

1. The remote control driver for the large-drift-diameter hydraulic operating valve is characterized by comprising an oil tank (1), an electric cover (2), a hydraulic driving mechanism (3) and a fixing frame (5) which are fixedly connected into a whole, wherein an oil inlet valve block (21), an oil pump (22), a motor (23), a pressure regulating valve (24) and a proportional valve (25) are arranged in the electric cover (2), the remote control module of the driver is electrically connected with the motor (23) and the proportional valve (25) and can control the work of the motor (23), the motor (23) is used for driving the oil pump (22), the oil pump (22) is used for providing a power oil source for the hydraulic driving mechanism (3), the hydraulic driving mechanism (3) comprises a cylinder body (31), oil way covers (32) positioned at two ends of the cylinder body (31), two groups of piston rods (33) which are arranged between the two oil way covers (32) in an up-down parallel mode, a gear (34) arranged between the two groups of piston rods (33) and an output shaft (35) which is vertically connected with the axis of the gear (34), the two groups of piston rods (33) are opposite in opposite directions, a rack (35) which is arranged at the upper end and the lower end of the gear (34) is respectively arranged at the opposite side, an output shaft (331) is connected with an output shaft (31) which is connected with a rotary joint (41), and an output shaft (41) which is connected with an output shaft joint (4) which is connected with an output shaft (41) which is connected with an output shaft which is connected with a rotary joint (41) which is connected with a rotary joint (4) which is connected with an output shaft joint which is connected with a rotary joint (41) One end of the sleeve (41) is coaxially sleeved outside the output shaft (35) and can rotate relatively, the sleeve (41) and the output shaft (35) are correspondingly provided with a first pin hole (411) for the operating handle (42) to penetrate, so that the sleeve (41) and the output shaft (35) can be locked, the outer wall of the other end of the sleeve (41) is provided with a second pin hole (412), the inner wall of the sleeve is provided with an axial key groove (413), and the sleeve can be coaxially sleeved on a valve rod (101) of the target hydraulic operating valve (100) and can be clamped with a key pin (1011) on the valve rod (101) through the key groove (413).

2. The remote control driver for the large-diameter hydraulic operation valve is characterized in that an angle feedback sensor (36) for detecting the rotation angle is further arranged at the output shaft (35), the angle feedback sensor (36) is connected with the remote control module in a wired or wireless mode so that a rotation angle signal can be transmitted in real time, and the remote control module can achieve closed-loop feedback control over the rotation angle of the output shaft (35) through the rotation angle signal.

3. The remote control driver for the large-diameter hydraulic operation valve is characterized in that the electric cover (2) is fixedly connected below the oil tank (1), a mounting seat (26) is further arranged in the electric cover (2), and the oil inlet valve block (21), the oil pump (22), the motor (23), the pressure regulating valve (24) and the proportional valve (25) are arranged around the mounting seat (26) and are fixedly connected with the mounting seat (26).

4. The remote control driver for the large-diameter hydraulic operating valve according to claim 1 is characterized in that the electric cover (2) is a waterproof sealing cover, and the lower end of the electric cover (2) is provided with an interface (27) for connecting a power line and a control line.

5. The remote control drive for a large-bore hydraulically operated valve according to claim 1, characterized in that the motor (23) is a micro motor (23) and the oil pump (22) is a micro hydraulic pump.

6. Remote control actuator for large-bore hydraulically operated valves according to claim 1, characterized in that the fixed frame (5) comprises a fixed frame (51) for covering and fixedly connecting to the top of the hydraulic valve to be operated and connecting arms (52) extending forward from both sides of the fixed frame (51), the other ends of the connecting arms (52) being fixedly connected to the hydraulic drive mechanism (3).