KR100576697B1 - A Ship Lift using CounterWeight Technology of Variable Weight - Google Patents

Abstract

The present invention relates to a ship lifter for lifting a ship, which is a method for passing a ship that must move up and down a river across a dam. The counterweight and the water container are provided with water tanks to adjust the weight appropriately. The present invention relates to a device and a method for lifting or lowering a easy container at a high speed by using little or no electrical energy by lifting or lowering the easy container using a weight difference of. In other words, if the weight of the counterweight is heavier, the easy container will rise due to the difference in weight. During this ascension, the easy container will be lifted by reducing the weight of the counterweight. The present invention relates to a revolutionary method of lifting and lowering an easy container at a higher speed than conventional methods by using little electric power.

Description

Ship Lift using Counterweight Technology with Variable Weight Function {A Ship Lift using CounterWeight Technology of Variable Weight}

1-A is a schematic side view of a ship lift installed in a dam.

1-B is a plan view schematically illustrating a ship lift installed in a dam.

1-C is a schematic front view of a ship lift installed in a dam.

2 is a view for explaining the concept of a variable counter weight.

3 is a view for explaining the concept of a variable easy container.

4 is a view for explaining a method of lifting the easy container according to an embodiment

Drawing.

5 is a view for explaining a method of lowering the easy container according to an embodiment

Drawing.

6 is a view for explaining a method of lifting a easy container according to another embodiment

Drawing.

7 is a view for explaining a method of lowering the easy container according to another embodiment

Drawing.

An object of the present invention is to install a counterweight and a ship container with a variable weight function on the ship lift used when the ship needs to move upstream and downstream in the dam of the river, thereby significantly reducing the rise and fall time required for lifting or lowering the ship. It is a technology for shortening, greatly reducing power consumption, increasing safety by weight balance, and reducing construction costs due to the miniaturization of facilities.

The present invention relates to a method of applying a variable counterweight technology to a ship lift in a general river dam, in particular, by using a variable counterweight to reduce the power consumption of the ship lift, significantly reducing the time of ship transport upstream and downstream The present invention relates to an optimal design, fabrication and operation method for reducing the construction cost of ship lift due to the miniaturization of lifting equipment.

Generally referred to as a ship lift, a mechanical lifting device used to raise or lower the elevation difference upstream or downstream by the height of the dam by placing the vessel with water so that the vessel can move up and down the river dam. to be. The ship lift can be divided into the type of lifting the ship directly, pushing up the lower part of the ship, lifting up or pushing up the slope of the ship, and lifting up the ship in a chamber-type container. Various patent technologies related to this situation are registered around the world. However, most of the patents are related to the fastening method or the technology and equipment for lifting the boat at the shore, and there are few patents on lifting the boat in the container containing water. This is presumably because there is almost no terrain or conditions that require this type of lift worldwide.

The overall layout and configuration of the existing shiplift technology for lifting ships is shown in Figure 1. 1 is a conceptual diagram of a ship lift in the form of lifting a vessel together with water by floating a vessel in a container containing water in a dam. As shown in Fig. 1-A, the ship lift includes a dam body 1 for a water barrier, a raceway 2 for allowing a ship to pass through, a ship container 3 for containing a ship and water, and a container 3 Lifting device (4) and lifting wire rope (5) for lifting, a counterweight sheave (6) made for the purpose of offsetting the load and the counterweight wire rope (7) and the counterweight (8). The right and left sides of the figure appear asymmetrical because they display the figure of the counterweight side and the figure of the side of the shiplift at the same time, but are actually symmetrical.

Figure 1-B shows a plan view of the same ship lift facility, including a dam body (1) for a water barrier, a raceway (2) made for the ship to pass through, a ship container (3) for holding the ship and water, The lifting device 4 for lifting the container 3 and the counterweight sheave 6 and the counterweight 8 which are mounted for the purpose of offsetting the load are shown.

A front view of the same shiplift facility is also shown in Figure 1-C, which includes a dam body (1) for a water barrier, a raceway (2) made for the ship to pass through, a ship container (3) for holding the ship and water, The lifting device 4 for lifting the container 3 and the counterweight sheave 6 and the counterweight 8 which are mounted for the purpose of offsetting the load are shown. Here, the lifting device 4 and the sheave 6 and the counterweight 8 are overlapped so that only one side of the figure is described. In reality, the two devices are symmetrically installed on both sides.

As discussed in FIG. 1, the existing easy lift used in the dam also uses the counterweight to reduce the lifting load, which uses the same principle as the counterweight technology currently used in almost all elevators. Therefore, the existing technology aims at reducing the weight of the easy container to be lifted by connecting a counterweight of a constant weight to the easy container to be lifted using a sheave.

When the counterweight reduces the weight of the easy container, the lifting equipment, such as a motor, a reducer, and a drum, which is connected to the easy container and lifts them, does not need to lift the weight of the easy container, thus providing efficient lifting equipment. It is the present technology that has become.

The present invention by using abundant water in the river, by adjusting the weight of the counterweight, in lifting or lowering the lift lift, to increase the lifting speed, to reduce the lifting energy, to manufacture, install and The purpose of this study is to show how to design, manufacture and operate a ship lift using a variable counterweight that can be applied even if the shiplift is already installed by reducing the facility cost and appropriately modifying the counterweight.

The present invention can be applied to both the existing dam construction or design stage or the initial stage of the dam construction plan, in particular, even if the dam construction is in progress, only the variable weight proposed in the present invention in the position where the counterweight is installed Installation is possible by replacing the counterweight with the quantity.

Ship lift using a variable counterweight proposed in the present invention is a lifting device (motor, drum, reducer, brake, wire rope) that provides the power to lift or lower the vessel largely, the container to lift the vessel with water The counterweight, which is connected to the container and serves to reduce the load to be lifted, is the same as the existing shiplift, so detailed description thereof will be omitted. The present invention is different from the existing technology is that both the counterweight and the easy lift is attached to a separate small water tank to change the weight. In other words, the counterweight is replaced with a water tank type that can change the weight in a mass with a fixed weight in the existing shiplift facility, and a water tank that can hold an appropriate amount of water is added to the easy container. .

The installation of the variable counterweight can be carried out simply with the minimum design change, repositioning, and modification of the lifting equipment mentioned above. Significant savings can be achieved.

As shown in FIG. 2, the basic structure of the variable counterweight 8 is a solid fixed weight 9 made of solids such as iron, concrete, and the like, and a liquid fixed weight 10 filled with water so that the weight can be adjusted. ) And the liquid variable weight 11, which varies in weight from time to time. Further, a valve 12 for draining the water constituting the fixed liquid weight 10 and a valve 32 for draining the water constituting the liquid variable weight 11 are provided. There is also a pipe 36 and a valve 33 for filling the counterweight, which can be used to fill the counterweight when the counterweight arrives at a particular position in the dam.

Here, the solid fixed weight (9) consists of the weight added to balance the weight of the outer container and the weight of the easy container required to make the body of the water tank counterweight. The solid fixed weight 9 is made of solids such as iron, concrete, plastic, and so on, once produced, weight fluctuations are impossible.

Since the fixed container 10 contains water, the fixed container 10 serves to match the weight of the easy container with the counterweight by containing the same or similar amount of water as the easy container. The reason why the fixed weight of the liquid 10 is provided is that when the accident occurs that the weight of the easy container suddenly decreases due to leakage of water due to an abnormality in the lock of the easy container, the valve of the fixed fixed weight 10 of the counterweight By adjusting (12), the weight of both sides is always adjusted to prevent the sudden fall or rise of the easy container, which aims to increase the safety of the ship lift.

The liquid variable weight 11 is a weight for making the lifting and lowering motion of the easy container unpowered. When the variable weight 11 is full, the counterweight becomes heavier, so that the counterweight 8 falls or falls. The easy container 3 is raised at the same time. In contrast, when the variable weight 11 is empty, the counterweight 8 is lighter, so that the counterweight 8 is raised or the easy container 3 is lowered at the same time. That is, the weight of the counterweight can be adjusted by draining the water of the liquid variable weight 11 using the valve 32, so that the rising and falling of the easy container can be adjusted according to this weight variation. The valve 31 may also be provided between the liquid variable weight and the liquid fixed weight to adjust the amount of water constituting the fixed weight and the variable weight, if necessary.

The easy container 3 shown in FIG. 3 also has a basic weight configuration similar to that of a variable counterweight. That is, there is a solid fixed weight (37) constituting the body of the easy container, the weight of the water 38 contained in the container for loading the ship is almost similar to the liquid fixed weight (10) of the counterweight, and also frequently in the easy container It is composed of a weight corresponding to the liquid variable weight 11 by providing a separate small water tank 39 which can be changed. As a device for filling the liquid variable tank 39 in the easy container, a valve 35 is installed at the bottom of the container, and when the container is connected to the water channel, the valve can be opened to fill the variable tank with water.

A figure for explaining the movement of the lift container 21 and the lowering of the counterweight 17 in the ship lift to which the variable counterweight is applied by adjusting the amount of water is shown in FIG. 4. In FIG. 4, the ship container 21 is located below and the counterweight 17 is located at the top. Counterweight 17 located at the top is composed of a fixed weight (18) and a liquid variable weight (19, 20), including the self weight and the fixed weight of the liquid, here for convenience, the liquid variable weight is divided into two, but the liquid variable weight (19, 20) can be produced by dividing one or two. In the case of the easy container 21 located at the bottom also consists of a fixed weight 22 and the liquid variable weight (23, 24) including the weight of the ship and water contained in the container.

In the state just before the easy container starts to rise as shown in the first picture of Fig. 4, the total weight of the easy container 21 is lighter than the total weight of the counterweight 17. Therefore, when the brake holding the sheave 25 is released, the easy container 21 is raised and the counterweight 17 is lowered. When the acceleration due to the difference in weight passes a certain time, the movement speed of the easy container and the counterweight can be reached to an appropriate speed. If the liquid variable weight 19 of the counterweight is discarded during this acceleration period or at a desired speed, the weight of the easy container and the counterweight can be made equal. In the state where the weights are the same, no further acceleration or deceleration occurs and the constant velocity motion proceeds. When the easy container 21 reaches the upper end, the weight of the counterweight 17 can be made lighter than the weight of the easy container 21 by further reducing the liquid variable weight 20 of the weight of the counterweight 17. have. In this state, the ascending speed of the easy container is reduced to a deceleration state, and ultimately stops. When the easy container stops, the upward movement can be completed by applying the brake. If the stop position of the easy container is not correct, a short distance fine adjustment is possible using the lifting system 4 using the electric motor.

The end of the ascending movement in Fig. 4 becomes the state immediately before the descent movement in Fig. 5 starts. In this state, the liquid variable weights 19 and 20 of the counterweight are all empty, and the variable weights 23 and 24 of the easy container 27 are full, so the total weight of the counterweight 26 is easy. It is lighter than the total weight of 27. Therefore, when the brake (not shown) holding the sheave 25 is released, the easy container begins to descend by the two weight differences, and as long as there is no change in their weight, the equivalent acceleration motion is performed. When the proper position is reached during the downward movement, some of the liquid variable weights 23 and 24 of the easy container 27 may be discarded so that the weight of the easy container and the weight of the counterweight can be matched. In this case, the easy container is a constant descent movement. In order to stop the downward movement, the liquid variable weight 24 of the easy container 27 may be further discarded. When the liquid variable weight 24 is additionally discarded, the weight of the easy container becomes lighter than the counterweight so that the lowering motion starts to decelerate and ultimately stops, and the brake (not shown) is applied. If the easy container does not stop at the correct position, the short distance fine adjustment is possible by using the lifting system 4 using the electric motor.

After the descent movement, it is necessary to connect the easy container to the waterway, open the lock and then send out the ship. During this ship replacement time, empty containers of liquid variable weights 19, 20, 23, 24 of the ship container and counterweight are filled with water. In the case of the counterweight stopped at the top, the valve 41 of the pipe 40 connected from the upstream is opened to fill the water, and in the case of the easy container at the bottom, the valve 35 at the bottom of the container is filled to fill the water. These methods have already been briefly described when describing the structure of the counterweight and the easy container in FIGS. 2 and 3. When the variable water tank is filled as shown in FIG.

Therefore, when the fixed tank and the variable water tank is installed in the easy container and the counterweight, it is possible to achieve the up and down movement of the ship with almost no power. This ascending and descending movement uses the difference in gravity, and thus can achieve a much faster speed than the ascending and descending using an electric motor.

Another embodiment using the concept of variable counterweight is shown in FIGS. 6 and 7. In this method, a variable water tank is installed only on the counterweight, and water supply devices 14 and 17 are mounted on the water tank instead. In FIG. 6, when the weight of the counterweight 13 is heavy, the rise of the easy container 15 is started. This method of adjusting the ascending speed is the same as the method described above, by dropping the variable variable weight of the counterweight to make constant velocity or deceleration motion. .

The case of the downward motion of the easy container shown in FIG. 7 is slightly different. The reason why the easy container is lowered is that the weight of the easy container is heavier because there is no liquid variable weight of the counterweight. Therefore, the weight of the counterweight should be increased by using the water supply device 17 during the lowering exercise. It is preferable to use a pipe, such as a flexible fire hose, for the water supply unit. If the weight of the counter is increased, it will be in constant velocity and eventually stop at the top of the shiplift. This method has the same concept as the method described above, except that variable weight is used only for the counterweight.

The method of applying the variable counterweight to the ship lift according to the present invention can not only drastically reduce the construction cost of the lift in connection with the dam construction, but also significantly reduce the salvage time of the ship using the river, compared to the multi-stage lock movement method. As a result, it is expected to bring about a revolution in the inland river logistics transportation by ship, and in the presence of water, it is expected to be a breakthrough method of lifting and unloading heavy goods in a short time.

Claims (6)

 Ship ropes and sheaves to increase or decrease the load of the ship container, which is contained together with the ship and the water, the lifting device that provides the power to lift or lower the ship container, and the ship container which is raised / lowered by the lifting device. Counterweight connected via the medium, and the control means for raising and lowering the ship container by varying the weight of the counterweight by the amount of water supply, The adjusting means is composed of one or more water tank having a pipe and a valve for supplying / discharging water so that the counterweight can be added or subtracted, The easy lift apparatus using a counterweight technology of the variable weight function, characterized in that the water container is further provided with a water tank capable of supplying and draining the water container. delete delete delete One or more water tanks are formed on the counterweight side to increase or decrease the load of the ship container when the ship and the built-in ship container are lifted and lowered. And an acceleration / deceleration of a speed during the up / down operation of the ship container according to the position of the ship container by supplying / discharging the ship container. One or more water tanks are formed on the counterweight side which increases or decreases the load of the ship container when the ship and the built-in ship container are lifted and lowered, and when water leaks from the ship container, the water in the water tank of the counterweight is Easy lift method using a counterweight technology of the variable weight function, characterized in that the weight balance of both sides by discharging.

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