JP2010022765A - Boat arrival and departure pit for motorboat race in motorboat race place - Google Patents

Abstract

PROBLEM TO BE SOLVED: To form a tunnel for escaping a propeller water flow during mooring operation, and a bounce occurs because the water flow reaches a revetment behind the pit. In addition, the flue gas flows to the rear of the pit along with the propeller water flow and fills the area around the landing pit, which adversely affects boat racers and is not healthy. Propellers mounted on motorboats for boat racing are frequently inspected and replaced because the shape of the propellers greatly affects the running performance.
SOLUTION: A substantially L-shaped pit body having a hull-shaped corner tip that is not easily affected by a whirling wave and a tunnel portion that smoothly incorporates a whirling wave or a propeller water flow and has an uneven portion that attenuates the energy is required. A plurality of metal parts are connected in the horizontal direction at intervals, an auxiliary deck is provided in the gap between the approximately L-shaped pit bodies, a propeller exchange work table with rubber coating is provided on the entire surface, and the rear end of the tunnel part. A boat landing pit for boat races at a racetrack equipped with a smoke exhaust system.
[Selection] Figure 1

Description

The present invention relates to a boat landing pit for boat racing in a racetrack, and more specifically, a hull-shaped corner tip that is not easily affected by a whirling wave, and smoothly incorporates a whirling wave and a propeller water flow, and its cross section in a stepwise manner in the rear. A substantially L-shaped pit body with a tunnel with a concave and convex portion that attenuates energy, such as a guided wave and propeller water flow , and a hollow hull with a built-in bulkhead and a buoyant body at the required internal location. A plurality of laterally parallel connecting fittings provided to connect the substantially L-shaped pit bodies adjacent to the front and rear recesses of the substantially L-shaped pit body, and a gap between the adjacent substantially L-shaped pit bodies Auxiliary deck provided on the side, and a slight depression to hold the motor for boat racing that has been tilted up. The propeller replacement workbench provided relates boat landing pits for Motorboat in Motorboat field comprising providing a flue gas unit for forcibly exhausting the flue gas behind the the symbolic L-shaped pit main tunnel portion.

In Motorboat field, in order to adjust the motor provided in the boat motorboat, you have to drive a relatively long time in a state where the motorboat player has anchored the motor pit, flue gas motor forcibly in water Exhausted.

As a boat landing pit for boat racing in the conventionally proposed racetrack,
Japanese Patent Publication No. 8-018566, JP-A-9-239163 and the like can be mentioned.

  In a known boat race pit for boat races, the hull, especially the corner tip, has a box-like shape that is easily affected by waves, so that it can be shaken by the surfing waves of other boats.

A tunnel that escapes the propeller water flow during mooring operation is formed, but the water flow is guided between the pits behind the propellers and pulled out without any resistance to the pit, so the water flow is too good. The water flowing behind the pit reaches the revetment and rebounds.
There have been reports of cases where propellers were damaged by rolling up rocks on the bottom of the water.

In addition, since the smoke exhaust from the motor for racing boats is discharged into the water behind the propeller, it flows out to the rear of the pit vigorously in a mixed state with the propeller water flow, and further, the momentum of the propeller water flow weakens and separates from the propeller water flow at the rear. To fill around the landing pit.
If there is wind, there is no problem, but especially when there is no wind, it adversely affects boat racers and is extremely harmful to health.

The propellers mounted on the motors of boats for racing are frequently inspected and replaced because the shape of the propellers greatly affects the running performance.
Propeller replacement can be done by simply tilting up the motor without jumping the boat for racing, but the known pit does not have a function to moor the boat with the motor tilted up.
For this reason, boat racers have to replace the propellers while fixing the boats that are shaken by the rolling waves.

It is also possible to replace the propeller in a relatively stable state by pulling the rear end of the boat for boat with the motor tilted up to the landing pit deck, but it is necessary to raise and lower the boat for racing This is a work and a heavy burden on the body of a boat racer.
Furthermore, there is a risk of damaging the propeller blade tip at the end of the pit when raising and lowering the boat for racing.

  Propeller wingtips must be protected because they greatly affect the running performance of boats for racing and are restricted by regulation.

  Furthermore, it may be difficult to provide one smoke exhaust device per pit from the surroundings of the racetrack, structure or budget.

  In particular, in an embodiment in which no shed is provided on the boat landing pit, a suitable place for providing a beam or the like for supporting the smoke exhaust pipe provided in the boat pit is not obtained.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems, and the first gist of the present invention is to smooth the corner of the hull form that is not easily affected by the surf generated by a boat such as a boat for a boat, and the smooth surf and propeller water flow. In parallel, a plurality of approximately L-shaped pit bodies with a tunnel with a concave and convex portion that attenuates energy, such as guided whirling waves and propeller water flow, are arranged in parallel in the rear. A connecting bracket provided to connect the substantially L-shaped pit body adjacent to the front and rear recesses of the substantially L-shaped pit body, and an auxiliary deck provided in the gap between the adjacent substantially L-shaped pit bodies. It is a boat landing pit for boat races in a racetrack consisting of

The second gist of the present invention is provided a fixed position through a long bolt and the auxiliary bracket to the gap between the substantially L-shaped pit body adjacent an adjustable state vertically, back and forth and left and right tilting up the motorboat motor is This is a boat landing and landing pit for a boat race on a racetrack having a propeller exchanging work table having a depression for holding the propeller blade tip and having a rubber coating on the entire surface to protect the propeller blade tip.

According to a third aspect of the present invention, the propeller water flow is attenuated by attenuating the energy of the propeller water flow including the exhaust gas of the motor for racing in the uneven portion of the tunnel formed in the hollow hull of the substantially L-shaped pit body. By vigorously preventing it from flowing out behind the substantially L-shaped pit body, the exhaust gas is separated from the propeller water flow, and the position where the air is filled in the air is made closer to the substantially L-shaped pit body, thereby eliminating the smoke was easily collected by a duct provided in the symbolic L-shaped pit main body rear end, a flue gas pipe which is provided perpendicular to the top of the duct, by the ventilator provided in the upper end of the exhaust smoke pipe, exhaust This is a boat landing pit in a racetrack having a smoke exhaust device that forcibly exhausts smoke.

According to a fourth aspect of the present invention, the propeller water flow is attenuated by attenuating the energy of the propeller water flow including the exhaust gas of the motor for racing in the uneven portion of the tunnel formed in the hollow hull of the substantially L-shaped pit body. By vigorously preventing it from flowing out behind the substantially L-shaped pit body, the exhaust gas is separated from the propeller water flow, and the position where the air is filled in the air is made closer to the substantially L-shaped pit body, thereby eliminating the smoke Are collected in a duct provided at the rear end of the substantially L-shaped pit body, and are provided in a gap between the rear lid provided at the rear end of the substantially L-shaped pit body and the adjacent substantially L-shaped pit body. flue gas in space by extending both the auxiliary deck to the rear, and corresponds both rear lid and the auxiliary deck flue gas collection duct is extended downwards to form the the symbolic L-shaped pit body rear submerged in water Collect and at the same time And pathway leading spaces flue gas pipe, a motorboat boat landing pits in Motorboat field according to claim 1, wherein provided a flue gas unit for forcibly exhausting the flue gas.

(1) According to the boat landing pit for a boat according to the present invention, a substantially L shape having a hull-shaped corner tip that is not easily affected by a whirling wave on one side of the front and a tunnel having a large opening at the rear thereof. Since it has a structure in which a plurality of character-shaped pit bodies are connected in the horizontal direction at the required intervals, the waterline area is smaller than that of the conventionally proposed boat landing pits for boat races. It is less affected and can reduce the swing of the boat pit.

  (2) About this tunnel, the cross section is gradually reduced in the rear to form an uneven part that attenuates the energy of the whirling wave guided to the inside. it can.

  (3) The hollow hull of the approximately L-shaped pit body has a structure in which large floats are arranged on the left and right sides of the tunnel, so that it has high stability against not only the frontal waves but also the side-side vibrations. Have.

(4) In addition, since the vibration caused by the waves of boats for racing and other boats has been reduced, work on the L-shaped pit body is safer, workability is improved, and durability of each connection is improved. Can also be expected.

  (5) Further, the hull of the substantially L-shaped pit main body is divided by a bulkhead and a buoyant body, and has a scapper corresponding to each part, so that water ballast can be injected freely. By increasing the mass of the pit body and lowering the center of gravity, it is possible to make it less susceptible to rocking.

(6) A propeller replacement worktable that can fix the boat by placing a tilted-up motor for racing is provided for frequent inspection and replacement of the propeller, so that the work can be carried out easily and safely. Moreover, since it is suspended and fixed via a long bolt, the fixing position can be moved up and down. Therefore, the height of the propeller exchanging work table can always be adjusted to be constant even if the boat landing / leaving pit draft line changes.
Further, by adjusting one end of the propeller exchanging work table to be low, draining of the water accumulated in it becomes easy.

  (7) In addition, a depression is formed on the propeller exchanging work table to hold the tilted motor so that it does not move from front to back and from side to side to improve workability.

  (8) Further, since the rubber coating is applied to the entire surface of the propeller exchanging work table, it is possible to protect the wing tip which greatly affects the running performance and whose processing is restricted by regulation.

(9) And because the duct, pipe and ventilator are detachably provided at the rear of the substantially L-shaped pit body, the smoke exhausted from the motor for racing is forcibly exhausted, and the smoke is exhausted around the landing pit even when there is no wind. It will not be full and will not adversely affect boat racers.

(10) The smoke exhausted from the motor for racing boats flows into the tunnel in a state of being mixed with the propeller water flow, but the water flow is located behind the approximately L-shaped pit because the tunnel is provided with uneven parts that attenuate the energy of the water flow. It will not run out of force. If the energy of the water flow is reduced, the flue gas will be separated from this water flow, and the position where it will be filled in the air will be closer to the L-shaped pit body, so it can be collected easily even with a small duct. It becomes.
In addition, since the duct is downsized, the entire smoke exhaust device can be downsized and simplified.

(11) Since the apparatus corresponding to the filter which filters flue gas, such as activated carbon, can be attached to the flue pipe of this flue gas apparatus, the flue gas can be discharged into the air in a cleaner state.
The filter device can be easily replaced.

(12) Further, a substantially L-shaped pit main body. A space corresponding to a flue gas collecting duct by extending both the rear lid and the auxiliary deck rearward, and extending both the rear lid and the auxiliary deck under the water. Even in the case of forming a filter, it is possible to install a device equivalent to a filter that filters flue gas, such as activated carbon, like a flue pipe by increasing the size of this space to the required shape. It is possible to discharge smoke into the air.
Also, like the smoke pipe, this filter device can be easily replaced.

(13) In addition, a substantially L-shaped pit body Since both the rear lid and the auxiliary deck are made of FRP (fiber reinforced plastic), it is enlarged to form a space corresponding to the flue gas collection duct, and at the same time, according to customer requests It can be easily modified to a shape with added functions.
As an example, the storage space can also be formed by enlarging the space corresponding to the flue gas collection duct upward.
Substantially L-shaped pit body The deck has a working space for adjusting the motor for racing and a passage to the adjacent substantially L-shaped pit, so it stores safety tools such as unused tools and helmets that are not worn. By providing a new space, it becomes possible to smoothly and safely pass on the substantially L-shaped pit.

The best mode for carrying out the present invention is to smoothly take in the shape of a hull-shaped corner that is not easily affected by a whirling wave generated by a ship such as a boat for racing, and to absorb the whirling wave and propeller water flow and to attenuate the energy. A plurality of substantially L-shaped pit bodies having tunnels provided with uneven portions are arranged in parallel in the lateral direction, and are provided to connect the substantially L-shaped pit bodies adjacent to the front and rear recesses of the substantially L-shaped pit body. A connecting bracket, an auxiliary deck provided in the gap between the adjacent substantially L-shaped pit main bodies, a recess provided through the auxiliary bracket for holding a tilted motor for racing, and rubber on the entire surface A boat for boat racing on and off a racetrack, which is provided with a coated propeller exchanging work table and a smoke exhaust device for forcibly exhausting the exhaust gas behind the substantially L-shaped pit main body tunnel. Tsu on the door.

1 to 3, an embodiment of a boat landing pit in a boat race track according to the invention described in claim 1 will be described. As shown in FIG. 2, the boat landing pit 10 for a boat racing provided in a floating state on the surface of the water is integrally provided with an elongated square tip 18 on one side of the front side of the hollow hull 14 (FRP, made of fiber reinforced plastic).
Further, as shown in FIGS. 5 and 6, the corner tip 18 has a hull shape 18 a that is not easily affected by a whirling wave generated by a boat such as a boat for boating.

The embodiment of FIG. 2, erection and motorboat boat B that are anchored to a hook 80 provided on the front end of the tunnel portion 16 formed in the hollow hull 14 of the motorboat boat landing pits 10, a roof 50 which will be described later 2 is a schematic plan view partially showing a support column 48, a beam 48a, and a crosspiece 48b.

As shown in FIG. 2, in addition to the hollow hull 14, the substantially L-shaped pit main body 12 is formed with a deck 20 having a required diameter of a snapper 20b and a non-slip 20a, and similarly, non-slip 22a, 24a. A front lid 22 and a rear lid 24 are provided.

  3, 5, and 6, the hollow hull 14 attenuates the energy of the large whirling wave and propeller water flow at the tip and a large opening 16 a for smoothly guiding the whirling wave and propeller water flow backward and downward, and the guided whirling wave and propeller water flow. The tunnel portion 16 formed by the concavo-convex portion 16b is provided, and a necessary bulkhead 14a is incorporated therein, and a buoyancy body 14b is also incorporated therein.

1 and 2, are arranged in parallel at required intervals to the symbolic L-shaped pit main body 12 of the required number in the horizontal direction, the front cover 22 on the deck 20, recesses 26, 26 formed between the rear cover 24 The connecting fittings 32 are provided in communication with each other, the bolts are passed through the through holes formed in the recesses 26, and nuts (both not shown) are screwed and fixed, and the boat landing pit for boat racing 10 is assumed.

  Auxiliary decks 34 are provided in the gaps between the adjacent substantially L-shaped pit bodies 12 and 12 to be integrated.

  Moreover, as shown in FIGS. 1-3, the buffer material 28 and the handrail 30 are provided in the front-end | tip of each said substantially L-shaped pit main body 12. As shown in FIG.

As shown in FIG. 4, the invention according to claim 2 is provided with a recess 42 for holding the tip of the gear case of the boat racing motor M tilted up between the substantially L-shaped pit main bodies 12, 12, and rubber is provided on the entire surface. the propeller switchboard 40 coated 44 fixed by long bolts 46, and the motorboat boat landing pits 10 in Motorboat field consisting provided freely adjust the height.

1 and 2 show an embodiment in which a smoke exhausting device 60 is provided in the substantially L-shaped pit main body 12 of the invention described in claim 3. That is, the support columns 48 and 48 having a required height are provided vertically at required positions on the connection fittings 32 and 32 in the recesses 26 and 26 of the substantially L-shaped pit main bodies 12 and 12, upper end provided the beams 48a, on the beams 48a provided the crosspiece 48b, the 48b · · · at regular intervals,該桟48b, and shed by erection of the roof 50 on the 48b · · ·.

  In FIGS. 1 and 2, an exhaust duct 66 and a float 64 are provided below the support plate 62 projecting from the rear end of the tunnel portion 16 of the substantially L-shaped pit body 12, and a smoke exhaust pipe is provided on the support plate 62. 68, the upper end of the smoke exhaust pipe 68 is led to the upper part of the roof 50, a ventilator 70 is provided at the upper end of the smoke exhaust pipe 68, and the required position at the upper end of the smoke exhaust pipe 68 is set to the crosspiece 48b. The smoke evacuator 60 is connected and fixed.

In the embodiment in which the roof 50 is not provided, the smoke exhaust pipe 68 is provided in parallel on a column (not shown) provided vertically on the support plate 62 having the float 64, and the smoke exhaust pipe 68. effectively evacuatable to exhaust smoke from the motor M for該競boat of the motorboat boat B with upper end provided the ventilator 70.

As shown in FIGS. 7 and 8, in the embodiment in which one smoke exhausting device is not installed in each boat race landing pit 10, the substantially L-shaped pit main body is obtained by extending the rear cover 24 and the auxiliary deck 34. A space for collecting flue gas is formed behind 12.

That is, both the rear lid 24 provided at the rear end of the substantially L-shaped pit main body 12 and the auxiliary deck 34 provided in the gap between the adjacent substantially L-shaped pit main bodies 12 and 12 are extended rearward. In addition, the rear lid 24 and the auxiliary deck 34 are extended downward in the water to form a space 36 corresponding to the exhaust duct 66 at the rear of the substantially L-shaped pit body 12, and the space 36 is simultaneously formed. and a path that leads to the flue gas pipe 68, and the motorboat boat landing pits 10 in Motorboat field having a flue gas unit for forcibly exhausting the exhaust smoke.

And since the space 36 for collecting the flue gas is led between the respective the symbolic L-shaped pit body 12, even without flue gas system, one for boat landing pits 10 each 該競boat example, the space 36 Are sucked up to the neighboring smoke exhaust device instead of the tunnel, and finally discharged through the smoke exhaust pipe 68 into the air.

Whether the smoke exhaust device according to claim 3 or the smoke exhaust device according to claim 4, the exhaust gas flowing backward is guided to the space 36 corresponding to the collection duct and the exhaust pipe 68. In the above, a device that forcibly exhausts smoke.

Also the substantially L-shaped pit body 12, water injection by the required hose to the Sukappa 20b pump insert (not shown) (not shown), it is possible to waste water.

Partially transparent side view of an embodiment of a substantially L-shaped pit body of a boat landing pit in a boat raceway according to the present invention as viewed from the left side FIG. 1 is a partially cutaway enlarged plan view of the embodiment of the boat landing pit shown in FIG. Partial schematic front view of the embodiment in which the roof and the boat are removed from the boat landing pit shown in FIG. FIG. 3 is a partially enlarged schematic view showing a state in which a boat racing motor (only a part of the gear case tip is shown) is held on a propeller replacement work table provided in a substantially L-shaped pit body shown in FIG. Partial perspective plan view of an embodiment of a hollow hull of a boat landing pit in a racetrack according to the present invention V11-V11 sectional view schematically showing the hollow hull shown in FIG. The partial plane schematic diagram which shows the Example of the substantially L-shaped pit main body of Claim 4 which removed the roof and the boat racing boat from the boat boat landing pit shown in FIG. Side schematic view of FIG.

DESCRIPTION OF SYMBOLS 10 Boat boat landing pit in a racetrack 12 Substantially L-shaped pit main body 14 Hollow hull 14a Bulkhead 14b Buoyant body 16 Tunnel part 16a (front end) opening part 16b Concavity and convexity part 18 Corner tip 18a Ship shape 20 Deck 20a Non-slip 20b Scraper 22 Front lid 22a Non-slip 24 Rear lid 24a Non-slip 26 Recessed part 28 Recessed part 28 Buffer material 30 Handrail 32 Connecting bracket 34 Auxiliary deck 36 Space equivalent to the exhaust duct 66 40 Propeller exchange stand 42 (Holding a motor for racing) Depression 44 Rubber・ Coating 46 Long bolt 48 Post 48a Beam 48b Beam 50 Roof 60 Smoke exhaust device 62 Support plate 64 Float 66 Exhaust duct 68 Smoke exhaust pipe 70 Ventilator 80 Hook B Boat for boat race M Motor for boat race (Gear case tip)

Claims (4)

The hull-shaped corners that are not easily affected by the waves generated by ships such as boats for boat racing and the propeller water flow generated when mooring the waves and boats There is a large opening for guiding, and a tunnel is formed to form an uneven part that attenuates energy, such as guided whirling waves and propeller water flow, by gradually reducing the cross section at the rear, and the required internal location A hollow hull with a built-in bulkhead and a buoyant body, a deck that is bonded and fixed to the upper part of the hull and has a surface with a snapper and a non-slip, a front and rear lid that also has a non-slip on the surface, and a front of the hull A substantially L-shaped pit main body having a cushioning material and a handrail provided at the tip of a long and narrow corner provided integrally on one side of the main body and connected in a lateral direction at a required interval;
A connection fitting provided in communication with a recess formed between the deck and the front and rear lids;
A boat landing pit for boat races in a racetrack comprising an auxiliary deck provided between the substantially L-shaped pit bodies. In the gap of the pit body, a fixing position can be adjusted up and down via a long bolt and an auxiliary metal fitting, and there is a recess for holding a tilted boat racing motor. 2. A landing pit in a racetrack according to claim 1, wherein a propeller exchanging work table having a rubber coating on its entire surface is provided for protection. By attenuating the energy of the propeller water flow including the smoke exhaust of the motor for racing at the uneven portion of the hull tunnel of the substantially L-shaped pit main body, the propeller water flow vigorously flows out behind the substantially L-shaped pit main body. The flue gas is provided at the rear end of the substantially L-shaped pit body by making the position where the flue gas is separated from the propeller water flow and filled in the air closer to the substantially L-shaped pit body. A smoke exhaust device that forcibly exhausts the exhaust gas with a smoke exhaust pipe that is provided vertically at the top of the duct and a ventilator that is provided at the upper end of the smoke exhaust pipe. 2. A boat landing pit in the boat racetrack according to claim 1. By attenuating the energy of the propeller water flow including the smoke exhaust of the motor for racing at the uneven portion of the hull tunnel of the substantially L-shaped pit main body, the propeller water flow vigorously flows out behind the substantially L-shaped pit main body. The flue gas is provided at the rear end of the substantially L-shaped pit body by making the position where the flue gas is separated from the propeller water flow and filled in the air closer to the substantially L-shaped pit body. The rear lid provided at the rear end of the substantially L-shaped pit main body and both auxiliary decks provided in the gap between the substantially L-shaped pit main bodies are extended rearward and The flue gas is collected in a space corresponding to the flue gas collection duct formed at the rear of the substantially L-shaped pit body by extending downward, and at the same time, the space is used as a path leading to the flue gas pipe. A smoke exhauster is installed to forcibly exhaust A boat landing pit in a racetrack according to claim 1.

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