CN116336020A - Electric control hydraulic locking system based on high-pressure water tank - Google Patents
Electric control hydraulic locking system based on high-pressure water tank Download PDFInfo
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- CN116336020A CN116336020A CN202310392495.6A CN202310392495A CN116336020A CN 116336020 A CN116336020 A CN 116336020A CN 202310392495 A CN202310392495 A CN 202310392495A CN 116336020 A CN116336020 A CN 116336020A
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- valve
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- positioning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/027—Check valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The invention relates to an electric control hydraulic locking system based on a high-pressure water tank, which is based on a reliable guarantee module system of the high-pressure water tank design and comprises the following components: a working pump end; a tank cover hydraulic circuit; the working oil port of the positioning reversing valve is also connected with the oil inlet of the reversing valve through a throttle valve; a flow control loop. The electric control hydraulic locking system is provided with a positioning reversing valve, a secondary oil path between the reversing valves and a positioning bolt, and has double safety functions; meanwhile, the hydraulic control check valve and the hydraulic lock respectively seal the tank cover oil cylinder and the locking ring oil cylinder to ensure reliable operation; the one-way throttle valve is matched with the flow control loop, so that the speed of the part of transmission can be regulated in the locking process, and the work is stable and reliable.
Description
Technical Field
The invention relates to a hydraulic locking technology, in particular to an electric control hydraulic locking system based on a high-pressure water tank.
Background
The high-pressure water tank is special high-pressure equipment, the pressure bearing area is large, the section pressure of the whole tank cover is large, the existing scheme mostly depends on the sealing of passive pressure, the locking sealing is achieved by means of assembly and matching among parts, the sealing service life is short, the reliability needs to be frequently detected, and therefore the locking system which is convenient to use and reliable in work is continuously designed.
Disclosure of Invention
In order to solve the technical problems, the invention provides an electric control hydraulic locking system based on a high-pressure water tank, which is a reliable guarantee module system based on the design of the high-pressure water tank, and comprises:
the working pump end is provided with a pump 1, an overflow valve 2, a plate type ball valve 3 and a pressure gauge 4, wherein an oil tank is arranged at one end of an oil inlet of the pump 1 and one end of an oil outlet of the overflow valve 2, and three branches are arranged at the oil outlet of the pump 1, wherein the first branch is connected with the oil inlet of the overflow valve 2, and the second branch is connected with the plate type ball valve 3 and the pressure gauge 4;
the tank cover hydraulic circuit comprises a positioning reversing valve 6, a one-way throttle valve 8, a hydraulic control one-way valve 9, a safety valve 10 and a tank cover oil cylinder 12, wherein an oil inlet of the positioning reversing valve 6 is connected with a third branch of the pump 1, the one-way throttle valve 8, the hydraulic control one-way valve 9, the tank cover oil cylinder 12 and a working oil port of the positioning reversing valve 6 in a left working position are sequentially connected in series, and the safety valve 10 is arranged between the hydraulic control one-way valve 9 and the oil tank;
the locking ring hydraulic circuit comprises a throttle valve 5, a reversing valve 7, a hydraulic lock 11 and a locking ring oil cylinder 13, wherein a working oil port of the positioning reversing valve 6 is also connected with an oil inlet of the reversing valve 7 through the throttle valve 5, and meanwhile, the working oil port of the reversing valve 7 in a left working position state is sequentially connected with the hydraulic lock 11 and the locking ring oil cylinder 13;
the flow control loop comprises a flow sensing transmitter 14, a frequency converter and a PLC (programmable logic controller) controller 15, wherein the flow sensing transmitter 14 is arranged at the oil inlet end of the throttle valve 5, the frequency converter is integrated with the pump 1, and the control loop is arranged between the PLC controller 15 and the flow sensing transmitter 14 and between the PLC controller and the frequency converter respectively.
In one embodiment of the invention, a positioning bolt is further arranged between the working oil port of the positioning reversing valve 6 and the reversing valve 7, and the locking ring can be operated only by pulling out the positioning bolt, so that the damage of the bolt component caused by the first working locking ring due to misoperation is prevented.
In one embodiment of the invention, the relief valve 10 is in communication with the tank, and the relief valve 10 allows the relief of excess pressure from the various valve bodies and tank components in the oil circuit.
In one embodiment of the invention, the throttle valve 5 is controlled by controlling the size of its throttle orifice. The working speed of the locking ring is regulated.
In one embodiment of the present invention, the PLC controller 15 employs discrete PID control, wherein the flow sensor 14 measures the flow rate and the flow velocity as the controlled object, and the rotational speed of the final output of the driving pump 1 as the control quantity.
Compared with the prior art, the technical scheme of the invention has the following advantages: the electric control hydraulic locking system is provided with a positioning reversing valve, a secondary oil path between the reversing valves and a positioning bolt, and has double safety functions; meanwhile, the hydraulic control check valve and the hydraulic lock respectively seal the tank cover oil cylinder and the locking ring oil cylinder to ensure reliable operation; the unidirectional throttle valve can adjust the speed of the part of transmission in the locking process, so that the work is stable and reliable.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
FIG. 1 is a schematic diagram of the hydraulic principle of the electronically controlled hydraulic locking system of the present invention;
fig. 2 is a schematic external view of the high-pressure water tank according to the present invention.
As shown in the figure: 1. pump, 2, overflow valve, 3, plate ball valve, 4, manometer, 5, choke valve, 6, location switching-over valve, 7, switching-over valve, 8, one-way choke valve, 9, hydraulically controlled one-way valve, 10, relief valve, 11, hydraulic lock, 12, case lid hydro-cylinder, 13, locking ring hydro-cylinder, 14, flow sensing transmitter, 15, PLC controller.
Detailed Description
As shown in fig. 1 and 2, the present embodiment provides an electric control hydraulic locking system based on a high-pressure water tank, the electric control hydraulic locking system is based on a reliable guarantee module system of the high-pressure water tank design, including:
the working pump end is provided with a pump 1, an overflow valve 2, a plate type ball valve 3 and a pressure gauge 4, wherein an oil tank is arranged at one end of an oil inlet of the pump 1 and one end of an oil outlet of the overflow valve 2, and three branches are arranged at the oil outlet of the pump 1, wherein the first branch is connected with the oil inlet of the overflow valve 2, and the second branch is connected with the plate type ball valve 3 and the pressure gauge 4;
the tank cover hydraulic circuit comprises a positioning reversing valve 6, a one-way throttle valve 8, a hydraulic control one-way valve 9, a safety valve 10 and a tank cover oil cylinder 12, wherein an oil inlet of the positioning reversing valve 6 is connected with a third branch of the pump 1, the one-way throttle valve 8, the hydraulic control one-way valve 9, the tank cover oil cylinder 12 and a working oil port of the positioning reversing valve 6 in a left working position are sequentially connected in series, and the safety valve 10 is arranged between the hydraulic control one-way valve 9 and the oil tank;
the locking ring hydraulic circuit comprises a throttle valve 5, a reversing valve 7, a hydraulic lock 11 and a locking ring oil cylinder 13, wherein a working oil port of the positioning reversing valve 6 is also connected with an oil inlet of the reversing valve 7 through the throttle valve 5, and meanwhile, the working oil port of the reversing valve 7 in a left working position state is sequentially connected with the hydraulic lock 11 and the locking ring oil cylinder 13;
the flow control loop comprises a flow sensing transmitter 14, a frequency converter and a PLC (programmable logic controller) controller 15, wherein the flow sensing transmitter 14 is arranged at the oil inlet end of the throttle valve 5, the frequency converter is integrated with the pump 1, and the control loop is arranged between the PLC controller 15 and the flow sensing transmitter 14 and between the PLC controller and the frequency converter respectively.
The principle of the electric control hydraulic locking system in the embodiment is as follows: starting the pump 1, driving the reversing valve 6 to be in a left working position, enabling hydraulic oil to enter the right side of the tank cover oil cylinder 12 through the one-way throttle valve 8 and the hydraulic control one-way valve 9, and driving the plug pin to pull out the positioning jack; meanwhile, hydraulic oil enters the oil inlet of the reversing valve 7 through the working oil port of the positioning reversing valve 6 and the throttle valve 5, the reversing handle of the reversing valve 7 is driven to enable the hydraulic oil to enter the left or right side oil inlet of the locking ring oil cylinder 13 through the hydraulic lock 11, and locking and opening of the locking ring of the box cover are respectively realized.
The flow control loop is arranged at the same time, and the PLC controller 15 is utilized to further control the flow speed and the flow in the system, so that the box cover oil cylinder 12 and the locking ring oil cylinder 13 can be carefully and accurately controlled.
A positioning bolt is further arranged between the working oil port of the positioning reversing valve 6 and the reversing valve 7, and the locking ring can work only when the positioning bolt is pulled out, so that the damage of the bolt component caused by the first working of the locking ring due to misoperation is prevented.
The relief valve 10 is communicated with the oil tank, and the relief valve 10 enables each valve body and oil tank component in the oil path to relieve redundant pressure.
The throttle valve 5 is controlled by controlling the size of its throttle orifice. The working speed of the locking ring is regulated.
The PLC controller 15 adopts discrete PID control, wherein the flow sensor transmitter 14 measures the flow and the flow velocity as the controlled object, and the rotational speed of the final output of the driving pump 1 is the control quantity.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.
Claims (5)
1. An automatically controlled hydraulic locking system based on high-pressure water tank, automatically controlled hydraulic locking system is based on reliable guarantee module system of high-pressure water tank design, its characterized in that includes:
the working pump end is provided with a pump (1), an overflow valve (2), a plate-type ball valve (3) and a pressure gauge (4), wherein an oil tank is arranged at one end of an oil inlet of the pump (1) and an oil outlet of the overflow valve (2), the oil outlet of the pump (1) is provided with three branches, a first branch is connected with the oil inlet of the overflow valve (2), and a second branch is connected with the plate-type ball valve (3) and the pressure gauge (4);
the tank cover hydraulic circuit comprises a positioning reversing valve (6), a one-way throttle valve (8), a hydraulic control one-way valve (9), a safety valve (10) and a tank cover oil cylinder (12), wherein an oil inlet of the positioning reversing valve (6) is connected with a third branch of the pump (1), the one-way throttle valve (8), the hydraulic control one-way valve (9), the tank cover oil cylinder (12) and the positioning reversing valve (6) are sequentially connected in series between working oil ports of a left working position, and the safety valve (10) is arranged between the hydraulic control one-way valve (9) and the oil tank;
the locking ring hydraulic circuit comprises a throttle valve (5), a reversing valve (7), a hydraulic lock (11) and a locking ring oil cylinder (13), wherein a working oil port of the positioning reversing valve (6) is connected with an oil inlet of the reversing valve (7) through the throttle valve (5), and meanwhile, the working oil port of the reversing valve (7) in a left working position state is sequentially connected with the hydraulic lock (11) and the locking ring oil cylinder (13);
the flow control loop comprises a flow sensing transmitter (14), a frequency converter and a PLC (programmable logic controller) controller (15), wherein the flow sensing transmitter (14) is arranged at the oil inlet end of the throttle valve (5), the frequency converter is integrated with the pump (1), and the control loop is arranged between the PLC controller (15) and the flow sensing transmitter (14) and between the PLC controller and the frequency converter respectively.
2. The electrically controlled hydraulic locking system of claim 1 wherein: a positioning bolt is further arranged between the working oil port of the positioning reversing valve (6) and the reversing valve (7), and the locking ring can work only by pulling out the positioning bolt, so that the damage of the bolt component caused by the locking ring working at first due to misoperation is prevented.
3. The electrically controlled hydraulic locking system of claim 1 wherein: the safety valve (10) is communicated with the oil tank, and the safety valve (10) enables each valve body and oil tank component in the oil path to discharge redundant pressure.
4. The electrically controlled hydraulic locking system of claim 1 wherein: the throttle valve (5) controls the size of the throttle opening. The working speed of the locking ring is regulated.
5. The electrically controlled hydraulic locking system of claim 1 wherein: the PLC (15) adopts discrete PID control, wherein a flow sensor transmitter (14) measures flow and flow velocity as controlled objects, and the rotating speed finally output by a driving pump (1) is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310392495.6A CN116336020A (en) | 2023-04-13 | 2023-04-13 | Electric control hydraulic locking system based on high-pressure water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310392495.6A CN116336020A (en) | 2023-04-13 | 2023-04-13 | Electric control hydraulic locking system based on high-pressure water tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116336020A true CN116336020A (en) | 2023-06-27 |
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ID=86893063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310392495.6A Pending CN116336020A (en) | 2023-04-13 | 2023-04-13 | Electric control hydraulic locking system based on high-pressure water tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116336020A (en) |
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2023
- 2023-04-13 CN CN202310392495.6A patent/CN116336020A/en active Pending
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