CN111395295B - Method for pumping water and sinking floating type access door water filling sinking device - Google Patents
Method for pumping water and sinking floating type access door water filling sinking device Download PDFInfo
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- CN111395295B CN111395295B CN202010169513.0A CN202010169513A CN111395295B CN 111395295 B CN111395295 B CN 111395295B CN 202010169513 A CN202010169513 A CN 202010169513A CN 111395295 B CN111395295 B CN 111395295B
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- water
- floating
- access door
- door
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02C—SHIP-LIFTING DEVICES OR MECHANISMS
- E02C1/00—Locks or dry-docks; Shaft locks, i.e. locks of which one front side is formed by a solid wall with an opening in the lower part through which the ships pass
- E02C1/06—Devices for filling or emptying locks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
Abstract
The invention provides a floating type access door water-filling sinking device and a method, which comprises a floating type access door main body, wherein a plurality of sets of centrifugal water pumps for pumping water are arranged in the floating type access door main body, a water inlet of each centrifugal water pump is connected with a preset water-filling pipeline for taking water, and an electric valve is arranged on each preset water-filling pipeline; the water outlet of the centrifugal water pump is connected with a U-shaped water delivery pipeline, the U-shaped water delivery pipeline is arranged in the floating type access door cabin, and a water level monitoring device is installed in the floating type access door cabin. Compared with the prior water-filling sinking method, the safety of the floating access door in the no-load state and the controllability of the sinking process can be improved.
Description
Technical Field
The invention belongs to the field of construction and debugging of hydraulic gates, and particularly relates to a safe sinking method suitable for a floating access door.
Background
The floating access door is one of important auxiliary devices for the operation and maintenance of the ship lock, and has the function of separating a downstream pilot channel from a lock chamber in the maintenance period of the ship lock so as to provide an environmental isolation condition for draining the lock chamber. The structure of the floating access door is generally a hollow floating type, when the ship lock is overhauled, the floating access door needs to be pulled to a lock chamber opening, and the floating access door is sunk on a lock chamber opening sill in a mode of injecting water into the cabin. And after the overhaul is finished, water in the cabin is drained to float away from the sill and is pulled away from the gate chamber port, so that the connection between the gate chamber and the navigation channel is restored.
At present, the sinking of floating overhaulers is mainly completed by manually operating a water inlet valve, and after the water inlet valve is opened, water outside the cabin is injected into the cabin through a water stop valve. It mainly has the following disadvantages: firstly, the time of filling water is uncontrollable, because fill water and open the stagnant water valve through the manual work, fill the influence of water speed limited by size, the rivers natural flow rate of valve pipe diameter, unable artificial intervention fills water time, has great influence to the time limit for a project. Secondly, the current floating type access door sinking mode needs each gate valve of manual operation to accomplish and fills water, arranges the artifical cabin water level of measuring of special messenger simultaneously, and personnel's demand and work load are big, and the simple operation nature is not high. And thirdly, the design of the parallel water pipeline is easy to generate self leakage under the condition that the gate valve is not closed tightly, so that the floating gate posture is deviated and inclined, and potential safety hazards of equipment exist. Therefore, there is a need for improvements in floating access door lowering apparatus and methods.
Disclosure of Invention
The invention aims to solve the technical problem of providing a safe and controllable water-filling sinking device and a sinking method for a floating access door, which can improve the safety of the floating access door in an idle state and the controllability of the sinking process compared with the prior water-filling sinking method.
In order to achieve the technical features, the invention is realized as follows: a floating type access door water filling and sinking device comprises a floating type access door main body, wherein a plurality of sets of centrifugal water pumps for pumping water are arranged in the floating type access door main body, a water inlet of each centrifugal water pump is connected with a preset water filling pipeline for taking water, and an electric valve is arranged on each preset water filling pipeline; the water outlet of the centrifugal water pump is connected with a U-shaped water delivery pipeline, the U-shaped water delivery pipeline is arranged in the floating type access door cabin, and a water level monitoring device is installed in the floating type access door cabin.
The U-shaped water conveying pipeline is made of seamless steel pipes, consists of straight section type pipelines and U-shaped pipelines and is arranged in the floating type access door cabin, and the U-shaped pipelines are arranged above the no-load water level in the floating type access door cabin.
The centrifugal water pumps are provided with a plurality of sets, and the water outlets of each set of centrifugal water pumps are respectively connected with the central water bin, the side water bins and the adjusting water bin in the floating type access door cabin in a one-to-one correspondence mode through U-shaped water conveying pipelines.
The electrically operated valve is integrally provided with a valve opening detection device and is used for detecting and displaying the valve opening value in real time; the valve opening detection device, the electric valve, the centrifugal water pump and the water level monitoring device are respectively connected with the electric control cabinet, and the electric control cabinet is integrally arranged and installed at the dock of the floating type access door main body.
The water level monitoring device comprises a water level value display device and is arranged in a central water sump of the floating access door.
The electric valve adopts an electric butterfly valve, and the electric valve is kept in a closed state when the floating type access door is not filled with water and is sunk.
And the water intake of the preset water filling pipeline is arranged 1-2m below the water level line.
The method for pumping water and sinking the floating access door water filling and sinking device comprises the following steps:
the method comprises the following steps: the floating type access door is supported and guided in place; the floating type access door is shifted into a door slot from parking by using a tug, a mooring steel wire rope is led out from a hinge on a deck, the steel wire rope is sent to bollards with cables on two sides by the tug through a cable guide clamp and a roller and is led to a six-brake head herringbone door to be tied, and the tug is withdrawn;
step two: adjusting the position of the floating gate; the distance difference between the left side and the right side and the gate wall is not more than 100mm, and the tightness of the mooring rope steel wire rope is adjusted to enable a clearance of 18-22 mm to be formed between the water stop and the stainless steel surface of the side wall;
step three: the personnel and equipment state is in place; each operator on the floating access door is in place, each working valve of the floating access door is checked and confirmed to be in a correct state, and a watertight hatch cover between the water cabin and the side water cabin is adjusted to be watertight, the power supply is normal and the mooring is correct;
step four: filling water in the central water sump; opening the electric valve, pressing a water inlet and outlet valve opening button of the central water tank by an operator, opening two water inlet and outlet valves of the central water tank, pressing a stop button after the central water tank is fully opened, starting a centrifugal water pump to inject water into the central water tank, and enabling a door body to sink;
step five: filling water in the side water bin; after the door body stops sinking, an operator presses a water inlet and outlet opening button of the two side water cabins to ensure that the two valves are opened synchronously, the opening is stopped when the opening is 5-10 degrees, water enters the side water cabins from the outside through the central water cabin, the door body continues sinking, the height difference of the two ends of the floating door is detected during sinking, the opening of the valve is properly increased when the floating door descends stably, the floating door does not continue sinking when the floating door is stabilized, the height difference of the two ends does not change, and the side water cabin superposed valve is closed;
step six: adjusting the water filling of the water bin; an operator in the cabin receives a command, opens the communicating gate valve, communicates the regulating water tank with the central water tank, and a water body enters the regulating water tank from the outside through the central water tank, the floating gate continues to sink, and the height difference of two ends of the floating gate is detected when the floating gate sinks, so that the valve opening can be properly increased when the floating gate sinks stably;
step seven: monitoring and adjusting the floating state of the floating gate in the sinking process; two monitoring personnel are respectively arranged on two sides of a deck, a scale is made on a stainless steel surface on the side wall, the descending height of the door body is measured at any time in the descending process of the door body, the height difference of two ends exceeds 10Cm and is adjusted in real time through an interphone, the opening degree of a low-end valve is properly reduced or the opening degree of a high-end valve is increased, a steel wire rope is checked at any time and is adjusted together with an operator, the steel wire rope is not loosened, and the floating door is not enabled to be adhered to the stainless steel surface, so that the descending imbalance of the door body is caused;
step eight: finely adjusting the attitude and position of the floating access door; when the door body descends to a position just before entering the groove and is 0.3-0.5 m away from the bottom of the groove, the position of the floating door needs to be accurately adjusted, and the distance error between the center line of the stainless steel surface on the side wall of each side wall and the center of the omega water stop is not more than 100 mm; and adjusting the mooring rope by a hinge joint to ensure that the water stop is basically attached to the stainless steel surface, sinking the floating door to the bottom sill, checking the positioning condition of the floating door, detecting whether the floating door is inclined vertically and horizontally and how the watertight condition is, closing the water inlet superposed valve of the central water tank and the gate valve for communicating the central water tank with the adjusting water tank, and simultaneously communicating the adjusting water tank with the downstream butterfly valve.
The invention has the following beneficial effects:
1. the floating type access door water filling sinking device and the sinking method adopt the water pumping pump to control the sinking process of the floating door, and the opening degree and the water level of the valve are detected in a contrast way, so that the accurate control of the sinking process of the floating door can be realized.
2. The floating type access door water-filling sinking device and the sinking method adopt electrical control, personnel do not need to enter the floating type access doors for manual operation in the cabin, the workload of the floating type access door in the sinking process is reduced, and the operation convenience is improved.
3. The U-shaped water pipe can ensure that the floating type access door does not have self-flow leakage caused by untight closing of the gate valve in an idle state, and ensure that the posture of the floating type access door is normal.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a mounting arrangement of the present invention.
FIG. 3 is a flow chart of the method of the present invention.
In the figure: u type water pipe 1, preset formula water intaking pipeline 2, electric valve 3, centrifugal water pump 4, butterfly valve aperture detection device 5, water level detection device 6, electrical control cabinet 7.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-3, a floating type access door water-filling and sinking device comprises a floating type access door main body, wherein a plurality of sets of centrifugal water pumps 4 for pumping water are installed inside the floating type access door main body, a water inlet of each centrifugal water pump 4 is connected with a preset water-filling pipeline 2 for taking water, and an electric valve 3 is installed on each preset water-filling pipeline 2; the water outlet of the centrifugal water pump 4 is connected with a U-shaped water pipeline 1, the U-shaped water pipeline 1 is arranged in the floating type access door cabin, and a water level monitoring device 6 is installed in the floating type access door cabin. The water-filling sinking device with the structure can be used for sinking operation of the floating access door, and can improve the safety of the floating access door in an idle state and the controllability of the sinking process compared with the prior water-filling sinking method.
Further, the centrifugal water pump 4 is arranged in the floating access door cabin, and the basic structure of the centrifugal water pump 4 consists of six parts, namely an impeller, a pump body, a pump shaft, a bearing, a sealing ring and a stuffing box. The working principle is that water generates centrifugal motion by utilizing the rotation of the impeller and flows into a preset water taking pipeline 2 of the water pump. In order to ensure that the floating gate meets the working requirement of the water pump under the unused and working states, the water intake of the water pump is arranged 1-2 meters below the waterline. The butterfly valve of intaking is opened to centrifugal pump 4 before the work, keeps electric valve 3 closed state when not working, because of centrifugal pump 4 need preset 2 in the formula intake pipe fill water before the work, consequently centrifugal pump 4 need open electric butterfly valve 3 earlier before the work, guarantees to preset 2 ways of intake pipe and is filled water.
Further, the U-shaped water conveying pipeline 1 is made of seamless steel pipes, consists of straight section type pipelines and U-shaped pipelines, and is arranged in the floating type access door cabin, and the U-shaped pipelines are arranged above the idle load water level in the floating type access door cabin.
Furthermore, the centrifugal water pumps 4 are provided with a plurality of sets, and the water outlets of the centrifugal water pumps 4 are respectively connected with the central water bin, the side water bins and the adjusting water bin in the floating type access door cabin in a one-to-one correspondence mode through the U-shaped water conveying pipelines 1.
Further, a valve opening detection device 5 is integrally installed on the electric valve 3 and used for real-time detection and display of a valve opening value; the valve opening detection device 5, the electric valve 3, the centrifugal water pump 4 and the water level monitoring device 6 are respectively connected with an electric control cabinet 7, and the electric control cabinet 7 is integrally arranged and installed at the dock of the floating type access door main body. And wiring and marking according to the environmental requirement standard, and making an insulation protection isolation measure.
Further, the water level monitoring device 6 comprises a water level value display device arranged in a central water sump of the floating access door.
Further, the electric valve 3 adopts an electric butterfly valve, and the electric valve 4 is kept in a closed state when the floating type access door is not filled with water and is sunk.
Example 2:
the method for pumping water and sinking the floating access door water filling and sinking device comprises the following steps:
the method comprises the following steps: the floating type access door is supported and guided in place; the floating type access door is shifted into a door slot from parking by using a tug, a mooring steel wire rope is led out from a hinge on a deck, the steel wire rope is sent to bollards with cables on two sides by the tug through a cable guide clamp and a roller and is led to a six-brake head herringbone door to be tied, and the tug is withdrawn;
step two: adjusting the position of the floating gate; the distance difference between the left side and the right side and the gate wall is not more than 100mm, and the tightness of the mooring rope steel wire rope is adjusted to enable a clearance of 18-22 mm to be formed between the water stop and the stainless steel surface of the side wall;
step three: the personnel and equipment state is in place; each operator on the floating access door is in place, each working valve of the floating access door is checked and confirmed to be in a correct state, and a watertight hatch cover between the water cabin and the side water cabin is adjusted to be watertight, the power supply is normal and the mooring is correct;
step four: filling water in the central water sump; opening the electric valve 3, pressing a 'valve opening' button of water inlet and outlet of the central water tank by an electric control operator, opening two water inlet and outlet valves of the central water tank, pressing a 'stop' button after the central water tank is fully opened, starting the centrifugal water pump 4 to inject water into the central water tank, and enabling the door body to sink;
step five: filling water in the side water bin; after the door body stops sinking, an electric control operator presses a water inlet and outlet opening button of the two side water cabins to ensure that the two valves are opened synchronously, the opening is stopped when the opening is 5-10 degrees, water enters the side water cabins from the outside through the central water cabin, the door body continues sinking, the height difference of the two ends of the floating door is detected during sinking, the opening of the valve can be properly increased when the floating door descends stably, the floating door does not continue sinking, the height difference of the two ends does not change, and the side water cabin superposed valve is closed;
step six: adjusting the water filling of the water bin; an operator in the cabin receives a command, opens the communicating gate valve, communicates the regulating water tank with the central water tank, and a water body enters the regulating water tank from the outside through the central water tank, the floating gate continues to sink, and the height difference of two ends of the floating gate is detected when the floating gate sinks, so that the valve opening can be properly increased when the floating gate sinks stably;
step seven: monitoring and adjusting the floating state of the floating gate in the sinking process; two monitoring personnel are respectively arranged on two sides of a deck, a scale is made on a stainless steel surface on the side wall, the descending height of the door body is measured at any time in the descending process of the door body, the height difference of two ends exceeds 10Cm and is adjusted in real time through an interphone, the opening degree of a low-end valve is properly reduced or the opening degree of a high-end valve is increased, a steel wire rope is checked at any time and is adjusted together with an electric hinge operator, the steel wire rope is not loosened, and the floating door is not sealed and attached to the stainless steel surface, so that the descending imbalance of the door body is caused;
step eight: finely adjusting the attitude and position of the floating access door; when the door body descends to a position just before entering the groove and is 0.3-0.5 m away from the bottom of the groove, the position of the floating door needs to be accurately adjusted, and the distance error between the center line of the stainless steel surface on the side wall of each side wall and the center of the omega water stop is not more than 100 mm; and adjusting the mooring rope by a hinge joint to ensure that the water stop is basically attached to the stainless steel surface, sinking the floating door to the bottom sill, checking the positioning condition of the floating door, detecting whether the floating door is inclined vertically and horizontally and how the watertight condition is, closing the water inlet superposed valve of the central water tank and the gate valve for communicating the central water tank with the adjusting water tank, and simultaneously communicating the adjusting water tank with the downstream butterfly valve.
Claims (4)
1. A method for pumping water and sinking a floating access door water-filling sinking device comprises the floating access door main body, wherein a plurality of sets of centrifugal water pumps (4) for pumping water are arranged in the floating access door main body, a water inlet of each centrifugal water pump (4) is connected with a preset water-filling pipeline (2) for taking water, and an electric valve (3) is arranged on each preset water-filling pipeline (2); a water outlet of the centrifugal water pump (4) is connected with a U-shaped water conveying pipeline (1), the U-shaped water conveying pipeline (1) is arranged in a floating type access door cabin, and a water level monitoring device (6) is installed in the floating type access door cabin;
the centrifugal water pumps (4) are provided with a plurality of sets, and the water outlets of the centrifugal water pumps (4) are respectively connected with a central water bin, side water bins and adjusting water bins in the floating type access door cabin in a one-to-one correspondence manner through U-shaped water conveying pipelines (1);
the electrically operated valve (3) is integrally provided with a valve opening detection device (5) and is used for detecting and displaying a valve opening value in real time; the valve opening detection device (5), the electric valve (3), the centrifugal water pump (4) and the water level monitoring device (6) are respectively connected with an electric control cabinet (7), and the electric control cabinet (7) is integrally arranged and installed at the dock of the floating type access door main body;
the water level monitoring device (6) comprises a water level value display device and is arranged in a central water sump of the floating access door;
the method for pumping water and sinking comprises the following steps:
the method comprises the following steps: the floating type access door is supported and guided in place; the floating type access door is shifted into a door slot from parking by using a tug, a mooring steel wire rope is led out from a hinge on a deck, the steel wire rope is sent to bollards with cables on two sides by the tug through a cable guide clamp and a roller and is led to a six-brake head herringbone door to be tied, and the tug is withdrawn;
step two: adjusting the position of the floating gate; the distance difference between the left side and the right side and the gate wall is not more than 100mm, and the tightness of the mooring rope steel wire rope is adjusted to enable a clearance of 18-22 mm to be formed between the water stop and the stainless steel surface of the side wall;
step three: the personnel and equipment state is in place; each operator on the floating access door is in place, each working valve of the floating access door is checked and confirmed to be in a correct state, and a watertight hatch cover between the water cabin and the side water cabin is adjusted to be watertight, the power supply is normal and the mooring is correct;
step four: filling water in the central water sump; opening the electric valve (3), pressing a 'valve opening' button for water inlet and outlet of the central water tank by an operator, opening two water inlet and outlet valves of the central water tank, pressing a 'stop' button after the central water tank is fully opened, starting the centrifugal water pump (4) to inject water into the central water tank, and enabling the door body to sink;
step five: filling water in the side water bin; after the door body stops sinking, an operator presses a water inlet and outlet opening button of the two side water cabins to ensure that the two valves are opened synchronously, the opening is stopped when the opening is 5-10 degrees, water enters the side water cabins from the outside through the central water cabin, the door body continues sinking, the height difference of the two ends of the floating door is detected during sinking, the opening of the valve is properly increased when the floating door descends stably, the floating door does not continue sinking when the floating door is stabilized, the height difference of the two ends does not change, and the side water cabin superposed valve is closed;
step six: adjusting the water filling of the water bin; an operator in the cabin receives a command, opens the communicating gate valve, communicates the regulating water tank with the central water tank, and a water body enters the regulating water tank from the outside through the central water tank, the floating gate continues to sink, and the height difference of two ends of the floating gate is detected when the floating gate sinks, so that the valve opening can be properly increased when the floating gate sinks stably;
step seven: monitoring and adjusting the floating state of the floating gate in the sinking process; two monitoring personnel are respectively arranged on two sides of a deck, a scale is made on a stainless steel surface on the side wall, the descending height of the door body is measured at any time in the descending process of the door body, the height difference of two ends exceeds 10Cm and is adjusted in real time through an interphone, the opening degree of a low-end valve is properly reduced or the opening degree of a high-end valve is increased, a steel wire rope is checked at any time and is adjusted together with an operator, the steel wire rope is not loosened, and the floating door is not enabled to be adhered to the stainless steel surface, so that the descending imbalance of the door body is caused;
step eight: finely adjusting the attitude and position of the floating access door; when the door body descends to a position just before entering the groove and is 0.3-0.5 m away from the bottom of the groove, the position of the floating door needs to be accurately adjusted, and the distance error between the center line of the stainless steel surface on the side wall of each side wall and the center of the omega water stop is not more than 100 mm; and adjusting the mooring rope by a hinge joint to ensure that the water stop is basically attached to the stainless steel surface, sinking the floating door to the bottom sill, checking the positioning condition of the floating door, detecting whether the floating door is inclined vertically and horizontally and how the watertight condition is, closing the water inlet superposed valve of the central water tank and the gate valve for communicating the central water tank with the adjusting water tank, and simultaneously communicating the adjusting water tank with the downstream butterfly valve.
2. The method for pumping and sinking the floating access door water-filling sinking device of claim 1, wherein: the U-shaped water conveying pipeline (1) is made of seamless steel pipes, consists of straight section type pipelines and U-shaped pipelines and is arranged in the floating type access door cabin, and the U-shaped pipelines are arranged above the no-load water level in the floating type access door cabin.
3. The method for pumping and sinking the floating access door water-filling sinking device of claim 1, wherein: the electric valve (3) adopts an electric butterfly valve, and the electric valve (3) is kept in a closed state when the floating type access door is not filled with water and is sunk.
4. The method for pumping and sinking the floating access door water-filling sinking device of claim 1, wherein: the water intake of the preset water filling pipeline (2) is arranged 1-2m below the water level line.
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| CN202010169513.0A CN111395295B (en) | 2020-03-12 | 2020-03-12 | Method for pumping water and sinking floating type access door water filling sinking device |
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| CN202010169513.0A CN111395295B (en) | 2020-03-12 | 2020-03-12 | Method for pumping water and sinking floating type access door water filling sinking device |
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| CN111395295B true CN111395295B (en) | 2021-08-24 |
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