CN220791623U - A no electric emergency device for radial gate opens and close - Google Patents

A no electric emergency device for radial gate opens and close Download PDF

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Publication number
CN220791623U
CN220791623U CN202322475589.8U CN202322475589U CN220791623U CN 220791623 U CN220791623 U CN 220791623U CN 202322475589 U CN202322475589 U CN 202322475589U CN 220791623 U CN220791623 U CN 220791623U
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CN
China
Prior art keywords
valve
port
way
oil
hydraulic control
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Active
Application number
CN202322475589.8U
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Chinese (zh)
Inventor
邓伦
甘辉敏
李亚军
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China Yangtze Power Co Ltd
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China Yangtze Power Co Ltd
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Priority to CN202322475589.8U priority Critical patent/CN220791623U/en
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Publication of CN220791623U publication Critical patent/CN220791623U/en
Priority to DE202024102966.6U priority patent/DE202024102966U1/en
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Classifications

    • 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
    • F15B20/002—Electrical failure
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/20—Movable barrages; Lock or dry-dock gates
    • E02B7/26—Vertical-lift gates
    • E02B7/36—Elevating mechanisms for vertical-lift gates
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
    • E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/20—Movable barrages; Lock or dry-dock gates
    • E02B7/22—Stop log dams; Emergency gates
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20507—Type of prime mover
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20507—Type of prime mover
    • F15B2211/20515—Electric motor
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • F15B2211/30515—Load holding valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/321—Directional control characterised by the type of actuation mechanically
    • F15B2211/324—Directional control characterised by the type of actuation mechanically manually, e.g. by using a lever or pedal
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/329—Directional control characterised by the type of actuation actuated by fluid pressure
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40553—Flow control characterised by the type of flow control means or valve with pressure compensating valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40576—Assemblies of multiple valves
    • F15B2211/40584—Assemblies of multiple valves the flow control means arranged in parallel with a check valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41527—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a directional control valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5153—Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a directional control valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6306—Electronic controllers using input signals representing a pressure
    • F15B2211/6313—Electronic controllers using input signals representing a pressure the pressure being a load pressure
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7052—Single-acting output members
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7114—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators
    • F15B2211/7128—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators the chambers being connected in parallel
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/86—Control during or prevention of abnormal conditions
    • F15B2211/862—Control during or prevention of abnormal conditions the abnormal condition being electric or electronic failure
    • F15B2211/8623—Electric supply failure
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/875—Control measures for coping with failures
    • F15B2211/8755—Emergency shut-down

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

The utility model provides an electroless emergency device for opening and closing an arc gate, which is characterized in that an engine unit drives an oil pump, an oil outlet of the oil pump is connected with a one-way valve and a P port of a three-position four-way manual reversing valve, a T port of the three-position four-way manual reversing valve is connected with an oil return port, a B port of the three-position four-way manual reversing valve is connected with a sequence valve, an X port of a first hydraulic control one-way valve and an X port of a second hydraulic control one-way valve, the sequence valve is connected with a rodless cavity interface, an A port of the three-position four-way manual reversing valve is connected with a P port of a two-position four-way manual reversing valve, an A port and a B port of the two-position four-way manual reversing valve are respectively connected with a first rectifying plate and a second rectifying plate, the rectifying plate is matched with a speed regulating valve for use, a B port of the two sets of hydraulic control one-way valves is connected with a rod cavity interface, and a Y port of the two sets of hydraulic control one-way valves is connected with the oil return port of the oil tank. The device is suitable for opening and closing the gate of the single and double acting cylinders, can operate under the condition of no electricity, and provides important guarantee for safe and stable operation of flood discharge facilities.

Description

A no electric emergency device for radial gate opens and close
Technical Field
The utility model relates to the field of gate equipment, in particular to an electroless emergency device for opening and closing an arc gate.
Background
The utility model discloses an electroless emergency device for opening and closing an arc gate, which is used as standby equipment and can still open and close the arc gate when a fault is complained when the gate needs to be opened or closed.
In order to solve the problems, the prior art realizes the opening and closing of the gate through a simple hydraulic system after the power is provided by combining a diesel engine and a pump, but the technical means has the following defects: (1) The device is a non-electric hydraulic control opening and closing device taking a diesel engine as power, has large noise and is not environment-friendly; (2) The same equipment can only control one type of oil cylinder, can not be randomly switched according to the situation, and can simultaneously control a single cylinder and a double cylinder; (3) The device is operated without providing a full on/full off indication signal.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide the electroless emergency device for opening and closing the radial gate, which is suitable for opening and closing the gate of a single acting cylinder and a double acting cylinder, can be operated under the electroless condition, and provides important guarantee for safe and stable operation of flood discharge facilities.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a no electric emergency device for radial gate opens and close, includes engine unit and oil pump, and the engine unit drives the oil pump, the oil inlet of oil pump passes through the oil suction port of pipeline and oil tank to be connected, the oil-out of oil pump is connected with the first hydraulic fluid port of check valve and the first hydraulic fluid port of second rectifier plate in proper order, the T mouth of three-position four-way manual reversing valve is connected with the oil return port of oil tank, the B mouth of three-position four-way manual reversing valve is connected with the sequence valve, the X mouth of first hydraulic fluid check valve and the X mouth of second hydraulic fluid check valve, the sequence valve passes through pipeline and first rodless chamber interface and second rodless chamber interface connection, the A mouth of three-position four-way manual reversing valve is connected with the P mouth of two-position four-way manual reversing valve, the A mouth and the B mouth of two-position four-way manual reversing valve are connected with the first hydraulic fluid port of first rectifier plate and the first hydraulic fluid port of second rectifier plate respectively, the second hydraulic fluid port of first rectifier plate and second rectifier plate and the second hydraulic fluid port of second rectifier plate are connected with the first hydraulic fluid check valve and the Y mouth of second hydraulic fluid check valve respectively, first rectifier plate and second hydraulic fluid port of second rectifier plate are connected with the first hydraulic fluid check valve and the second hydraulic fluid port of second hydraulic fluid check valve respectively.
In the preferred scheme, an oil return port of the oil tank is sequentially connected with a P port of a system overflow valve and a P port of a three-position four-way manual reversing valve.
In the preferred scheme, the oil return port of oil tank is connected with first rodless cavity interface and second rodless cavity interface through pipeline and rodless cavity safety relief valve, is equipped with rodless cavity manometer and rodless cavity pressure relay on the connecting line of rodless cavity safety relief valve.
In the preferred scheme, a first rod cavity ball valve, a first rod cavity pressure gauge and a first rod cavity pressure sensor are arranged on a connecting pipeline of a port B of the first hydraulic control one-way valve and a first rod cavity interface, and a second rod cavity ball valve, a second rod cavity pressure gauge and a second rod cavity pressure sensor are arranged on a connecting pipeline of a port B of the second hydraulic control one-way valve and a second rod cavity interface.
In the preferred scheme, the pipeline that sequence valve and first rodless chamber interface and second rodless chamber interface are connected is equipped with first rodless chamber ball valve and second rodless chamber ball valve respectively.
In a preferred scheme, the engine unit is a hydrogen energy engine unit, and the storage battery supplies power to the hydrogen energy engine unit.
The utility model provides an electroless emergency device for opening and closing an arc gate, which has the following beneficial effects:
1. the hydraulic system and the control system are suitable for being used under the condition that the hydraulic system and the control system are out of order or the whole plant is out of order, the working gate of the flood discharging facility can still be opened, the radial gate can be opened/closed even under the emergency condition that the power failure or the system failure occurs, the operation can be carried out under the condition of no electricity, the important guarantee is provided for the safe and stable operation of the flood discharging facility, the success rate of opening and closing the radial gate is greatly improved,
2. the device can be used for a single acting cylinder or a double acting cylinder, has wider application range, and can realize the opening and closing work of different gates by only adding one set of the electroless emergency device.
3. The gate is opened and closed through the combination of simple hydraulic elements, the speed of the single-cylinder opening and closing can be controlled, the synchronism of the double cylinders in operation can be ensured, and whether the gate is fully opened or fully closed can be displayed through the change of pressure.
Drawings
The utility model is further described below with reference to the accompanying drawings and examples of implementation:
FIG. 1 is a schematic diagram of a hydraulic system of the present utility model;
in the figure: the hydraulic control system comprises an engine unit 1, an oil pump 2, a one-way valve 3, a three-position four-way manual reversing valve 4, a sequence valve 5, a two-position four-way manual reversing valve 6, a first rectifying plate 7, a second rectifying plate 8, a first speed regulating valve 9, a second speed regulating valve 10, a first hydraulic control one-way valve 11, a second hydraulic control one-way valve 12, a system overflow valve 13, a rodless cavity safety overflow valve 14, a rodless cavity pressure gauge 15, a rodless cavity pressure relay 16, a first rod cavity ball valve 17, a first rod cavity pressure gauge 18, a first rod cavity pressure sensor 19, a second rod cavity ball valve 20, a second rod cavity pressure gauge 21, a second rod cavity pressure sensor 22, a first rodless cavity ball valve 23, a second rodless cavity ball valve 24 and a storage battery 25.
Detailed Description
As shown in fig. 1, an electroless emergency device for opening and closing an arc gate comprises an engine unit 1 and an oil pump 2, wherein the oil pump 2 is a manual constant pressure variable pump, and is used as a power element to provide opening and closing door pressure for a system, and energy consumption can be effectively saved according to constant pressure variable characteristics of the system, the engine unit 1 drives the oil pump 2, in the embodiment, the engine unit 1 is a hydrogen energy engine unit, a storage battery 25 supplies power to the hydrogen energy engine unit, and the storage battery 25 can be externally charged.
An oil inlet of the oil pump 2 is connected with an oil suction port of an oil tank through a pipeline, and an oil outlet of the oil pump 2 is sequentially connected with a one-way valve 3 and a P port of a three-position four-way manual reversing valve 4. The check valve 3 prevents the impact of the system pressure on the oil pump. The three-position four-way manual reversing valve 4 provides a reversing function for opening or closing the gate by pushing the push rod leftwards or rightwards.
The T mouth of three-position four-way manual reversing valve 4 is connected with the oil return port of oil tank, and the B mouth of three-position four-way manual reversing valve 4 is connected with sequence valve 5, the X mouth of first hydraulically controlled check valve 11 and the X mouth of second hydraulically controlled check valve 12, and sequence valve 5 passes through pipeline and first rodless chamber interface and second rodless chamber interface connection, is equipped with first rodless chamber ball valve 23 and second rodless chamber ball valve 24 respectively on sequence valve 5 and the pipeline of first rodless chamber interface and second rodless chamber interface connection.
When the gate is opened, the sequence valve 5 provides proper pilot opening pressure for the first hydraulic control one-way valve 11 and the second hydraulic control one-way valve 12 through the adjusting knob, so that the oil with the rod cavity can smoothly flow back to the oil tank. When the piston rod is retracted, the oil can smoothly flow back to the oil tank through the one-way valve function of the sequence valve 5.
The A port of the three-position four-way manual reversing valve 4 is connected with the P port of the two-position four-way manual reversing valve 6. The two-position four-way manual reversing valve 6 can be used for opening and closing the single-lifting-point gate in normal position, and can be used for opening and closing the double-lifting-point gate when the push rod is pushed leftwards, and switching is carried out according to the using conditions.
The port A and the port B of the two-position four-way manual reversing valve 6 are respectively connected with a first oil port of the first rectifying plate 7 and a first oil port of the second rectifying plate 8, the second oil ports of the first rectifying plate 7 and the second rectifying plate 8 are respectively connected with the port A of the first hydraulic control one-way valve 11 and the port A of the second hydraulic control one-way valve 12, the first rectifying plate 7 and the second rectifying plate 8 are respectively connected with the first speed regulating valve 9 and the second speed regulating valve 10 through hydraulic pipelines, the first speed regulating valve 9 and the second speed regulating valve 10 are both manual speed regulating valves, the port B of the first hydraulic control one-way valve 11 and the port B of the second hydraulic control one-way valve 12 are respectively connected with a first rod cavity interface and a second rod cavity interface, and the port Y of the first hydraulic control one-way valve 11 and the port Y of the second hydraulic control one-way valve 12 are respectively connected with an oil return port of an oil tank.
The first rectifying plate 7 and the second rectifying plate 8 can adjust the flow direction of oil, so that the oil always flows in from the throttle opening of the first speed regulating valve 9 or the second speed regulating valve 10. The first rectifying plate 7 and the second rectifying plate 8 are matched with the first speed regulating valve 9 and the second speed regulating valve 10 for use, and the running speed of the gate is regulated. The first hydraulic control one-way valve 11 and the second hydraulic control one-way valve 12 can enable the gate to be held at any position and not slide down for a long time.
The pipeline of the sequence valve 5 connected with the first rodless cavity interface and the second rodless cavity interface is respectively provided with a first rodless cavity ball valve 23 and a second rodless cavity ball valve 24.
Preferably, an oil return port of the oil tank is sequentially connected with a system overflow valve 13 and a P port of the three-position four-way manual reversing valve 4. The system relief valve 13 protects when the system pressure is too high.
Preferably, the oil return port of the oil tank is connected with the first rodless cavity interface and the second rodless cavity interface through a pipeline and the rodless cavity safety overflow valve 14, and a rodless cavity pressure gauge 15 and a rodless cavity pressure relay 16 are arranged on the connecting pipeline of the rodless cavity safety overflow valve 14.
The rodless cavity relief valve 14 protects the rodless cavity pressure when the piston rod is extended, preventing the rodless cavity pressure from over-pushing and bending the piston rod. The rodless cavity pressure gauge 15 and the rodless cavity pressure relay 16 display the rodless cavity pressure in real time.
Preferably, a first rod cavity ball valve 17, a first rod cavity pressure gauge 18 and a first rod cavity pressure sensor 19 are arranged on a connecting pipeline of the port B of the first hydraulic control one-way valve 11 and the first rod cavity interface, and a second rod cavity ball valve 20, a second rod cavity pressure gauge 21 and a second rod cavity pressure sensor 22 are arranged on a connecting pipeline of the port B of the second hydraulic control one-way valve 12 and the second rod cavity interface.
The first rod cavity pressure sensor 19 and the second rod cavity pressure sensor 22 display the rod cavity pressure in real time.
When the emergency device is used for opening and closing the single-lifting-point arc door, the oil suction port, the oil return port and the pump oil discharge port are all connected with the oil tank, the first rodless cavity interface or the second rodless cavity interface is connected with the rodless cavity of the oil cylinder, and the first rod cavity interface or the second rod cavity interface is connected with the rod cavity of the oil cylinder. The engine unit 1 is started to drive the oil pump 2 to operate, so as to provide pressure and flow for the system, and the pressure and flow of the system are regulated by the oil pump 2. The three-position four-way manual reversing valve 4 is manually pushed rightward, the one-way valve 3, the port B of the three-position four-way manual reversing valve 4 and the sequence valve 5 flow to the rodless cavity, and pilot opening pressure is provided for the first hydraulic control one-way valve 11, so that the first hydraulic control one-way valve 11 is opened, oil in the rod cavity flows back to the oil tank through the first hydraulic control one-way valve 11, the first speed regulating valve 9, the two-position four-way manual reversing valve 6 and the three-position four-way manual reversing valve 4, the oil cylinder stretches out a piston rod, and the gate is closed. The three-position four-way manual reversing valve 4 is manually pushed leftwards, oil flows to a rod cavity through the one-way valve 3, an A port of the three-position four-way manual reversing valve 4, the two-position four-way manual reversing valve 6, the first speed regulating valve 9 and the first hydraulic control one-way valve 11, meanwhile, oil in a rodless cavity flows back to an oil tank through the single function of the sequence valve 5 and the three-position four-way manual reversing valve 4, the oil cylinder carries out piston rod retraction, a gate is opened at the moment, when the gate is fully opened, the pressure is changed from working pressure to the maximum system gate opening pressure, and the first rod cavity pressure sensor 19 acts at the moment to prompt the gate to be fully opened in place.
When the emergency device is used for opening and closing the double-lifting-point arc door, the oil suction port, the oil return port and the pump oil discharge port are all connected with the oil tank, the first rodless cavity interface and the second rodless cavity interface are connected with the rodless cavity of the oil cylinder, and the first rod cavity interface and the second rod cavity interface are connected with the oil cylinder to form a rod cavity. After the first speed regulating valve 9 and the second speed regulating valve 10 are adjusted to the communicated flow scales, the engine unit 1 is started to drive the oil pump 2 to operate, pressure and flow are provided for a system, and the pressure and flow of the system are controlled by the oil pump 2. After the two-position four-way manual reversing valve 6 is manually pushed leftwards, the three-position four-way manual reversing valve 4 is manually pushed rightwards, oil flows to the rodless cavity through the one-way valve 3, the port B of the three-position four-way manual reversing valve 4 and the sequence valve 5, and pilot opening pressure is provided for the first hydraulic control one-way valve 11 and the second hydraulic control one-way valve 12, so that the first hydraulic control one-way valve 11 and the second hydraulic control one-way valve 12 are provided, oil in the rod cavity flows back to an oil tank through the first hydraulic control one-way valve 11, the second hydraulic control one-way valve 12, the first speed regulating valve 9, the second speed regulating valve 10, the two-position four-way manual reversing valve 6 and the three-position four-way manual reversing valve 4, the oil cylinder performs piston rod extending action, the gate is closed at the moment, the pressure is changed from the closing working pressure of the system closing maximum pressure when the gate is fully closed, and the rodless cavity pressure relay 16 acts at the moment, and the gate is fully closed in place.
After the two-position four-way manual reversing valve 6 is manually pushed leftwards, the three-position four-way manual reversing valve 4 is manually pushed leftwards, oil flows to a rod cavity through the one-way valve 3, an A port of the three-position four-way manual reversing valve 4, the two-position four-way manual reversing valve 6, the first speed regulating valve 9, the second speed regulating valve 10, the first hydraulic control one-way valve 11 and the second hydraulic control one-way valve 12, meanwhile, the oil in the rodless cavity flows back to an oil tank through the single function of the sequence valve 5 and the three-position four-way manual reversing valve 5, and the oil cylinder performs a piston rod retraction action.

Claims (6)

1. The utility model provides a no electric emergency device for radial gate opens and close, includes engine unit (1) and oil pump (2), and engine unit (1) is to oil pump (2) drive, its characterized in that, the oil inlet of oil pump (2) is connected with the oil suction inlet of oil tank through the pipeline, the oil-out of oil pump (2) is connected with the P mouth of check valve (3) and three-position four-way manual switching valve (4) in proper order, the T mouth of three-position four-way manual switching valve (4) is connected with the oil return opening of oil tank, the B mouth of three-position four-way manual switching valve (4) is connected with sequence valve (5), the X mouth of first hydraulically controlled check valve (11) and the X mouth of second hydraulically controlled check valve (12), sequence valve (5) are connected with first rodless chamber interface and second rodless chamber interface through the pipeline, the A mouth of three-position four-way manual switching valve (4) is connected with the P mouth of two-position four-way manual switching valve (6), the A mouth and the B mouth of two-position four-way manual switching valve (6) are connected with first rectifying plate (7) and first rectifying plate (8) and second hydraulically controlled check valve (8) and second rectifying plate (8) and second hydraulically controlled check valve (8) respectively through first and second rectifying plate (8 and second hydraulically controlled check plate (8) and second rectifying plate (8) and second hydraulically controlled check valve (8) and first and second rectifying plate (8), the port B of the first hydraulic control one-way valve (11) and the port B of the second hydraulic control one-way valve (12) are respectively connected with a first rod cavity interface and a second rod cavity interface, and the port Y of the first hydraulic control one-way valve (11) and the port Y of the second hydraulic control one-way valve (12) are connected with an oil return port of an oil tank.
2. An electroless emergency device for opening and closing an arc gate according to claim 1, wherein the oil return port of the oil tank is connected with the P port of the system overflow valve (13) and the three-position four-way manual reversing valve (4) in sequence.
3. The electroless emergency device for opening and closing the radial gate according to claim 1, wherein an oil return port of the oil tank is connected with the first rodless cavity interface and the second rodless cavity interface through a pipeline and a rodless cavity safety overflow valve (14), and a rodless cavity pressure gauge (15) and a rodless cavity pressure relay (16) are arranged on a connecting pipeline of the rodless cavity safety overflow valve (14).
4. An electroless emergency device for opening and closing an arc gate according to claim 1, wherein a first rod cavity ball valve (17), a first rod cavity pressure gauge (18) and a first rod cavity pressure sensor (19) are arranged on a connecting pipeline of a port B of the first hydraulic control check valve (11) and a first rod cavity interface, and a second rod cavity ball valve (20), a second rod cavity pressure gauge (21) and a second rod cavity pressure sensor (22) are arranged on a connecting pipeline of a port B of the second hydraulic control check valve (12) and a second rod cavity interface.
5. An electroless emergency device for opening and closing an arc gate according to claim 1, wherein the pipeline connecting the sequence valve (5) with the first rodless cavity interface and the second rodless cavity interface is provided with a first rodless cavity ball valve (23) and a second rodless cavity ball valve (24) respectively.
6. An electroless emergency device for opening and closing a radial gate according to claim 1, characterized in that the engine block (1) is a hydrogen energy engine block, which is supplied with electricity by a battery (25).
CN202322475589.8U 2023-09-12 2023-09-12 A no electric emergency device for radial gate opens and close Active CN220791623U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202322475589.8U CN220791623U (en) 2023-09-12 2023-09-12 A no electric emergency device for radial gate opens and close
DE202024102966.6U DE202024102966U1 (en) 2023-09-12 2024-06-05 Powerless emergency device for opening and closing an arch lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322475589.8U CN220791623U (en) 2023-09-12 2023-09-12 A no electric emergency device for radial gate opens and close

Publications (1)

Publication Number Publication Date
CN220791623U true CN220791623U (en) 2024-04-16

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ID=90665721

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322475589.8U Active CN220791623U (en) 2023-09-12 2023-09-12 A no electric emergency device for radial gate opens and close

Country Status (2)

Country Link
CN (1) CN220791623U (en)
DE (1) DE202024102966U1 (en)

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Publication number Publication date
DE202024102966U1 (en) 2024-07-16

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