JPH0216809B2 - - Google Patents

Description

[Detailed description of the invention] Dust collectors,
A shipping gate is set up in the middle of the fishing net for patrol boats to pass through.It is normally closed to prevent trash and driftwood from entering the fishing area, and is opened to allow ships to pass through. doing. Conventionally, this shipping gate has a U-shaped frame placed in the middle of the net, and the door body is pivoted on a frame pillar, so that the door body can be opened on one side or on two sides. At first glance, this type of door seems to be easy to open and close because all the weight of the door is on the shaft support of the frame column, but the resistance of water when rotating the door is quite large. There is a drawback that driftwood and debris can become an obstacle to opening and closing, and an improvement has been desired. The present invention allows the door body to be lowered or raised along the frame body to open and close the door body, so that there is very little resistance from water when opening and closing the door, and there is very little obstruction from driftwood and dust, and the opening and closing can be easily automated. , Concerning safe-to-handle Amiba shipping gates. The contents of the present invention will be explained in detail below with reference to the drawings. Figure 1 is a plan view of a fishing yard with a shipping gate in the reservoir, where 1 is the fishing yard and 2 is the shipping gate. Figure 2 is a front view of the shipping gate, Figure 3 is its plan view,
Reference numeral 3 denotes a door body, which has a net 3' stretched over an outer frame 3, and the height of the door body 3 is the same as the height of the net field. Since the door body is raised and lowered by a hoist, a float may be attached to the door body to reduce the underwater weight of the door body. Reference numeral 4 denotes a frame for inserting the door body, which is composed of a frame post 4, a horizontal frame 4', and a platform 4'', and in this embodiment, it is shown in the A-A cutaway view of the frame post 4 in Fig. 2 (Fig. 4). An angle-shaped steel is welded to an H-shaped steel to form a recessed groove 4 into which the side portion of the door body 3 is inserted, and a rail 5 of the door body is fixed thereto.
Fitting members 5' are provided on both sides of the door body 3 so as to fit into the rails 5 in a vertically movable manner, and stainless steel liners 5'' are attached to the rails to reduce friction with the rails. The height of the frame pillars 4 is twice the height of the door body, and the lower ends of both frame pillars 4 are connected by a horizontal frame 4' to form a U-shaped frame body 4.
A transmission shaft 6 having sprocket wheels attached to both ends thereof is supported by bearings on the horizontal frame 4'. An electric motor 7 with a reducer is installed on the platform 4'' at the top of one of the frame columns, and a drive chain is installed between the sprocket wheel attached to the output shaft of the reducer and the sprocket wheel provided on the transmission shaft 6 directly below it. 8 is spanned, and a chain 9 is spanned between a chain wheel provided at the upper end of both frame columns and a sprocket wheel provided on the transmission shaft 6 below, and both ends of the chain 9 are It is connected to the upper and lower edges of the door body 3.A receiver and a controller for receiving opening/closing command radio waves are installed next to the electric motor on the platform (not necessary for manual operation). '' is equipped with a solar panel and a storage battery. Of course, these are not necessary in the case of manual operation. Floats 10 are installed on the underside of both platforms 4'' to keep the shipping gate floating vertically, and a net 11 as wide as the platform is lowered from the center of the underside of the platform to collect driftwood,
Prevents trash, etc. In this way, along the conical frame, the present invention
Since the door body is lowered or raised manually or electrically, the resistance of water moving the door body up and down in the water along the plane of the door body is small. In addition, when the gate body descends, the driftwood and debris that have piled up on the net area do not become an obstacle, and when the gate body ascends, even if there is debris or driftwood, it only pushes up, and does not pose an obstacle to closing the shipping gate. This is much easier than opening and closing a single- or double-door small boat while removing driftwood and debris. In addition, if a power source that combines solar cells and storage batteries is used, it can be opened and closed without the need for shore electricity, and if the hoist is activated by radio commands, it can be opened and closed remotely from onboard the ship. There is no need to move and operate it, and it is safe.

[Brief explanation of drawings]

FIG. 1 is a plan view of a fishing yard with a shipping gate, FIG. 2 is a front view of the shipping gate, FIG. 3 is a plan view thereof, and FIG. 4 is an enlarged view taken along the line A-A in FIG. 2. 1... Net field, 2 ... Ship gate, 3 ... Door body, 4 ... Frame body, 4'... Horizontal frame, 4''... Platform, 4... Recessed groove, 6... Transmission shaft, 7... Electric motor with reducer, 8... Drive chain, 9... Chain, 10... Float.

Claims (1)

[Claims] 1 At a shipping gate set up in the middle of a fishing area, a U for inserting the gate body is supported by a float in a semi-submerged upright position.
A letter-shaped frame body is installed in the middle of the fishing field, and a door body is inserted into the frame body so as to be able to slide up and down.The door body is normally located half-submerged above the frame body, and when the ship is passing, the door body is This gate is characterized by lowering and completely lowering the gate and allowing ships to pass through the upper part of the gate body.