JP2013091467A - Radio-controlled boat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a radio-controlled boat capable of preventing any aquatic organism or floating object from being entangled around a screw or a rudder, preventing any breakage thereof caused by a collision with a rock reef or the like, and rapidly avoiding any risk or the like by the sharp change of direction.SOLUTION: In the radio-controlled boat 1, a recessed groove flow passage 5 for entirely accommodating a screw 8 and a rudder 9, the passage 5 being open at the stern, is formed along the center part of a ship bottom 3. The rudder 9 is mounted on its rotary support shaft 10 so as to be finely adjusted toward the stem direction, and a net-like guard 11 is mounted outside the recessed groove flow passage 5.

Description

  The present invention relates to a so-called radio controlled boat, which is a radio-controlled boat equipped with equipment for observing underwater or the bottom of a water or an object on the water from the water.

  In the case of a radio-controlled boat that navigates on the water by radio control, its screw and rudder protrude from the bottom of the ship and are exposed, so they come into contact with aquatic plants such as algae and floating materials such as reefs and ropes. Or entangled with plants and suspended solids, making it impossible to navigate or damaging.

  In such a case, if you can return to the shore, you can repair and use it again, but if you cannot return, you may have to leave it as it is. For this reason, in the case of a large boat, the boat itself is expensive, and the camera mounted on the boat or various kinds of exploration equipment cannot be collected, resulting in a large amount of damage.

  Of course, in the case of a place that can be collected by a manned boat, it can also be collected, but it is difficult to collect in a dangerous place.

  Therefore, for the purpose of protecting the screw and rudder from aquatic plants etc., JP 2003-199466 A discloses that a screw and a rudder are attached to the bottom of the boat body to cover the screw and the rudder from below. A proposal to protect the rudder is introduced.

  However, since this ski-like board protrudes from the bottom of the ship, the board itself collides with a reef and the other disadvantage is that the ski-like board is attached to the stern direction at the bottom of the ship, so the screw The propulsive force when rotating is acting on the water only in the ski-like plate, not enough propulsive force is transmitted to the boat and the rudder also acts in this ski-like plate, so the rudder's way of working becomes slow, There is a disadvantage that it is not easy to use.

  Moreover, since both sides of the ski-like board are greatly open at the bottom of the ship, there is a disadvantage that aquatic plants and the like are entangled with the screw and the rudder from here.

  The present invention is provided for the purpose of solving the above-described drawbacks, and aquatic plants or the like are entangled with a screw or a rudder (hereinafter referred to as a “ladder”), making it impossible to navigate or colliding with a reef. It is an object of the present invention to provide a radio controlled boat that is devised so that the propulsion force of a screw and the direction changing force of a ladder are effectively transmitted to the boat.

  In order to solve the above-mentioned problem, the invention according to claim 1 is a radio controlled boat, wherein a concave groove channel having a stern side opened at a center portion of a ship bottom is formed, and a screw and a rear end are formed in the concave groove channel. A ladder is assembled, and the ladder is attached to the rotating support shaft in the bow direction, and a net-like guard is attached to the outside of the groove channel so as not to protrude from the bottom of the ship. It is characterized by this.

  Furthermore, the invention according to claim 2 is the radio controlled boat according to claim 1, wherein the groove channel is tapered so as to gradually become deeper in the stern direction. To do.

  According to this invention, the water that contacts the ship bottom flows smoothly along the taper, so that the propulsive force is not hindered and the functions of the screw and the ladder can be fully exhibited.

  Furthermore, the invention described in claim 3 is characterized in that the ladder is attached so that the rotation angle of the ladder can be finely adjusted.

  According to this invention, how to operate the rudder can be finely adjusted according to the size of the hull and the navigation conditions.

  Furthermore, the invention according to claim 4 is the radio controlled boat according to claim 1, characterized in that a net-like guard is also attached to the stern opening of the groove channel.

  According to the present invention, obstacles from the stern direction can be avoided.

Furthermore, the invention according to claim 5 is the radio controlled boat according to claim 1 or 4, wherein the net-like guard is formed of a metal or resin wire as a material having a chain-proof property, It is characterized by.
According to the present invention, the durability of the net-like guard can be improved.

  Further, the invention according to claim 6 is the radio controlled boat according to any one of claims 1 to 5, wherein the radio controlled boat includes a metal detector or camera with a remote control function, a radio communication device, or a GPS. Or, exploration equipment such as an illumination light is mounted alone or in any combination thereof.

  According to the present invention, the radio controlled boat can be used for observation of the underwater or the bottom of the water, discovery of metals can be performed with signals or images, and the boat can be guided to an arbitrary location by GPS or the observation point can be specified. be able to.

  The present invention has the following effects.

1. Screws and ladders are installed in the groove channel and the outside of this channel is protected by a net-like guard that is flush with the bottom of the ship. There is no worry about it.

2. Since the water flows in the groove direction in the stern direction, a propulsive force is effectively generated by the screw, and the direction change response is improved.

3. Since the rudder is mounted in the bow direction (forward) with respect to the rotating spindle, water resistance effectively acts on the rudder when the rudder is turned off. Can be quickly avoided.

4). Since the net-like guard that covers the groove channel is attached so as not to protrude from the bottom of the ship, water resistance does not occur, and a smooth water flow can be created in the groove channel.

The side view of the radio controlled boat which implemented this invention. (A) Explanatory drawing of ship bottom, (B) is A-A 'line sectional drawing. Illustration of the stern. Explanatory drawing of the screw and ladder in a ditch | groove channel. Explanatory drawing which looked at the ladder and screw in a ditch | groove channel from the stern direction. (A)-(C) Explanatory drawing of direction change by ladder operation.

  The embodiment of the present invention described above will be described in detail with reference to FIGS.

  Reference numeral 1 denotes the entire radio controlled boat. The radio controlled boat 1 is configured to be able to control navigation by radio control. In this embodiment, the size of the hull is 160 cm in length, the width is 80 cm, and the weight is the battery. 36.5kg including the propulsion motor and communications equipment driven by

  Reference numeral 2 denotes a wireless communication device mounted on the ship, which receives various signals from land and data signals searched by the device mounted on the radio controlled boat 1 (in this embodiment, the metal detector 13). It can be transmitted to a device on land (corresponding to claim 6).

  3 is a bottom of the ship. A concave groove channel 5 with a taper 5a is formed in the center of the bottom 3 so as to gradually become deeper from the center toward the stern 4 direction. In the groove 5, a screw 8 driven by a motor 6 via a rotation transmission means 7 and a ladder 9 are assembled at a position behind the screw 8 and close to the stern 4.

  The ladder 9 is attached to the rotation support shaft 10 in the direction of the bow 1a, and the change in direction will be described with reference to FIG. 6. As shown in FIG. 6A, the ladder 9 is straight in the bow direction. When it is directed, the radio controlled boat 1 goes straight, and when the ladder 9 is directed in the right direction, the water flow P flowing in the groove channel 5 acts on the ladder 9 so that the bow 1a is directed in the left direction. When 9 is directed leftward, the bow 1a can be advanced rightward as shown in (C).

  In this way, when the direction of the ladder 9 is directed toward the bow 1a, the responsiveness and sharpness of the direction change are improved compared to the case where the direction is directed toward the stern 4 as in the conventional ladder, and the progress is made in a narrow place. Or risk avoidance action can be performed quickly.

  In addition, although the taper 5a is attached to the concave channel 5 (corresponding to claim 2), the taper 5a has an effect of smoothly flowing water and reduces water resistance. It is better to add it in the sense, but it is not essential.

  11 is a net-like guard formed of a stainless steel wire (diameter: 2 mm) that covers the groove channel 5 so as not to protrude from the bottom surface of the ship bottom. The screw 8 and the ladder 9 in the groove channel 5 are aquatic. Prevents plants, suspended objects, etc. from getting entangled or colliding with a reef.

The net-like guard 11 may be attached not only to the bottom surface 3 side but also to the outlet opening 5b side of the groove channel 5 at the stern 4 (claim 4).
Moreover, you may form the guard 11 by the thing of cross-sectional shapes other than a wire.

  Further, the net-like guard 11 can be attached to the front of the screw 8 and the ladder 9 and the purpose can be achieved even if the screw 8 and the ladder 9 are exposed.

  Further, the net-like guard 11 may be formed of aluminum or a resin wire, and the material is a material other than the stainless steel, aluminum, and resin of the embodiment as long as it has a chain-proof property and a certain degree of durability. Can also be used.

Further, by attaching the net-like guard 11 to the ship bottom 3 in a detachable manner, it is convenient for maintenance or repair or replacement when the net-like guard 11 is damaged.

In FIG. 2A, reference numeral 12 denotes a bottom guard having a cross-sectional umbrella shape as shown in FIG. In FIG. 1, 14 is a control device for the metal detector 13, and 15 is a cable.

DESCRIPTION OF SYMBOLS 1 Radio control boat 5 Concave groove flow path 8 Screw 9 Ladder 11 Guard groove 13 Metal detector

Claims (6)

  In a radio controlled boat, a concave groove channel with a stern side open is formed at the center of the bottom of the ship, and a screw and a ladder are assembled in the concave groove channel. A radio control boat, characterized in that a reticulated guard is attached to the outside of the groove channel so as not to protrude from the bottom of the ship.   The radio controlled boat according to claim 1, wherein the concave groove channel is tapered so as to gradually become deeper in a stern direction.   The radio control boat according to claim 1, wherein the ladder is attached so that a rotation angle thereof can be finely adjusted on a rotation support shaft thereof.   The radio controlled boat according to claim 1, wherein a net-like guard is also attached to a stern opening of the groove channel.   5. The radio controlled boat according to claim 1, wherein the net-like guard is formed of a metal or resin wire as a chain-proof material. The radio controlled boat is equipped with a metal detector with a remote control function, a camera, a radio communication device, a GPS, or an exploration device such as a lighting light alone or in any combination thereof. The radio controlled boat according to any one of Items 1 to 5.

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