JP2021066413A - Lifting device - Google Patents

Abstract

To provide a lifting device which enables a weight to be lightened as much as possible and is not easily affected by waves and swinging of a ship when a sensor is disposed in water and locked.SOLUTION: A lifting device moves up or down along a lifting rail 13 and includes: a lifting device body 2; a lower contact plate 3 disposed at the front surface 13a side of the lifting rail 13 at the lower side of the lifting device body 2; a contact pin 4 disposed at the back surface 13b side of the lifting rail 13 at the upper side of the lifting device body 2; a back surface plate 5 disposed at the back surface 13b side of the lifting rail 13 at the lower side of the lifting device body 2; a rotation arm 6 which is joined to the upper side of the lifting device body 2 by a pin at the front surface 13a side of the lifting rail 13; and a crank member 7 rotatably connected to the rotation arm 6.SELECTED DRAWING: Figure 1

Description

The present invention relates to an elevating device suitable for arranging various sensors for grasping a state in water in water, and more particularly to an elevating device capable of easily and stably locking various sensors in water.

Conventionally, the applicant of the present application has arranged various sensors in water by an elevating device 20 as shown in FIGS. 4 to 6. Specifically, as shown in FIG. 4A, the elevating device 20 to which the sensor 11 is attached is attached to the elevating rail 13 made of H-shaped steel installed on the outer plate 12 of the hull or the like as shown in the figure. The sensor 11 was placed in water by an elevating means such as a winch 14 (see FIG. 4B).

Then, when the sensor 11 was placed in water, the elevating device 20 was locked to the lower end of the elevating rail 13 by a weight. More specifically, first, the elevating device 20 is provided with an upper contact plate 21 in contact with the front surface 15a side (outside) of the outer flange 15 of the elevating rail 13 made of H-shaped steel above the elevating device 20, and elevates and lowers downward. A lower contact plate 22 that comes into contact with the front surface 15a side (outside) of the outer flange 15 related to the rail 13 is provided. Further, a back plate 23 is provided on the back surface 15b side of the outer flange 15 so as to sandwich the outer flange 15 related to the elevating rail 13.

Further, above the elevating device 20, a rotating arm 26 having one end side rotatably pin-joined by a rotating pin 24 and a weight 25 arranged on the other end side is provided, and the rotating pin 24 is provided with a rotating pin 24. It is located on the back surface 15b side of the outer flange 15 related to the elevating rail 13. Further, in the vicinity of the rotation pin 24, when the rotation arm 26 rotates downward with the rotation pin 24 as the rotation axis, it comes into contact with the back surface 15b side of the outer flange 15 related to the elevating rail 13 and is moved upward. A contact pin 28 that serves as a back contact portion 27 is provided when the vehicle rotates to. An elevating means connecting portion 29 is arranged in the middle portion of the rotating arm 26, and the wire 30 wound around the winch 14 is connected to the elevating means connecting portion 29.

According to the conventional lock mechanism having the above configuration, when the elevating device 20 is lowered toward the water, the elevating device 20 is suspended by the wire 30 as shown in FIG. 4A. .. That is, the rotating arm 26 rotates upward via the elevating means connecting portion 29, and the elevating device 20 moves the elevating rail 13 in a state where the contact pin 28 contacts the back contact portion 27 and its rotation is restricted. It is lowered to the lower end of.

When the elevating device 20 reaches the lower end of the elevating rail 13, the lower end of the back plate 23 related to the elevating device 20 is provided on the lower end of the outer flange 15 related to the elevating rail 13 on the back surface 15b side, as shown in FIG. By moving along the inclined plate 16 to the back surface 15b side of the outer flange 15, the lower contact plate 22 related to the elevating device 20 comes into contact with the front surface 15a side of the outer flange 15.

Then, when the wire 30 is further sent out, as shown in FIG. 6, the rotation arm 26 is rotated downward by the weight 26 with the rotation pin 24 as the rotation axis. Along with the rotation of the rotating arm 26, the contact pin 28 presses the back surface 15b side of the outer flange 15 related to the elevating rail 13, and finally the upper contact plate 21 related to the elevating device 20 presses the elevating rail. The elevating device 20 is locked in a state of being in contact with the front surface 15a side of the outer flange 15 according to 13 and sandwiching the outer flange 15 related to the elevating rail 13 between the upper contact plate 21 and the contact pin 28.

According to the conventional elevating device 20 provided with the above-mentioned locking mechanism, the elevating device 20 can be easily locked at the lower end of the elevating rail 13 simply by lowering the wire 30, and can be easily locked by simply winding up the wire 30. It can be unlocked.

Further, conventionally, an elevating device having various configurations has been disclosed (see, for example, Patent Document 1 and Patent Document 2). Patent Document 1 describes the above-mentioned lifting device for a wave transmitter / receiver that transmits and / or receives sound waves from the bottom of a ship so as to project downward from the bottom of the ship or store it in the bottom of the ship as necessary. A hydrofoil having an outer diameter equal to or smaller than the outer diameter of the transmitter / receiver is provided on the upper part of the transmitter / receiver of the elevating shaft for raising / lowering the transmitter / receiver in the traveling direction. A ship's transmitter / receiver lifting device is disclosed.

Further, Patent Document 2 describes a fixed frame having a pair of frames supported by at least three guide rods and arranged at required intervals in the vertical direction, and slidable to each of the guide rods of the fixed frame. A movable frame having a lower frame arranged at a required interval by at least three guide rods on the upper frame provided in the movable frame, and an ultrasonic sensor support slidably provided on each of the guide rods of the movable frame. The frame, the ultrasonic sensor fixed to the ultrasonic sensor support frame, the rope drum for winding and rewinding the rope provided in the vicinity of the fixed frame, and the rope drum for winding and rewinding. It was wound so as to be rewound, and one end thereof was fixed to the ultrasonic sensor support frame via slides provided on the upper frame of the fixed frame body and the lower frame and the upper frame of the movable frame body, respectively. The lower frame of the fixed frame body and the upper part of the movable frame body are wound around the ultrasonic sensor raising rope and the rope drum so as to be rewound and rewound in the opposite direction to the ultrasonic sensor raising rope. Disclosed is an ultrasonic sensor elevating device including an ultrasonic sensor lowering rope whose one end is fixed to a support frame of the ultrasonic sensor via slides provided on the frame and the lower frame, respectively.

Jikkenhei 6-42598 Gazette Japanese Unexamined Patent Publication No. 9-2434335

The elevating device disclosed in Patent Document 1 and Patent Document 2 is installed on the bottom of the ship in advance with the sensor attached, and the sensor itself is firmly fixed via the elevating shaft and the guide rod. It is considered that it is hardly affected by waves in water. However, since it is different from the detachable type that is attached to the elevating device only when the sensor is used, it takes time and effort to change the type of sensor, and the installation of the elevating device on a ship requires special installation work. , Installation cost is also high.

On the other hand, according to the elevating device 20 shown in FIGS. 4 to 6, since the sensor 11 is detachably configured with respect to the elevating rail 13, the sensor 11 is attached to the elevating device 10 only when the sensor 11 is to be used. It is possible to put it into the water along the elevating rail 13. In addition, since the overall configuration including the lock mechanism is very simple, no special installation work or lock operation is required, and the cost can be reduced.

However, when the elevating device 20 to which the sensor 11 is attached is affected by waves in water or the ship shakes greatly, the weight 26 is lifted, the locked state of the elevating device 20 is released, and the elevating device 20 moves upward. There was a case that it ended up. Further, when the elevating device 20 is lowered, the upper part of the elevating device 20 is tilted forward (outward direction) due to the influence of the center of gravity. Therefore, when the elevating device 20 is locked at the lower end of the elevating rail 13, the locking mechanism is arranged behind the elevating device 20 (on the back surface 15b side of the outer flange 15 related to the elevating rail 13), so that the elevating device 20 is tilted. It was necessary to return the elevating device 20 in the raised state to the vertical state along the elevating rail 13, and for that purpose, a large weight 26 was required. Further, when the weight 26 becomes large, the influence of waves and the like is reduced, but the work of attaching the lifting device 20 to the lifting rail 13 and the lifting work of the lifting device 20 require a great deal of labor.

Therefore, in view of the above problems, the inventors of the present application have diligently studied to provide an elevating device that is not easily affected by waves and ship shaking while making the weight as light as possible when arranging and locking the sensor in water. As a result of repeating the above, the present invention was reached.

That is, the present invention is an elevating device that elevates and descends along an elevating rail, and is disposed below the elevating device main body and the elevating device main body, and is in downward contact with the front surface side of the elevating rail. A plate, a contact pin arranged above the elevating device main body and in contact with the back surface on the back side of the elevating rail, and a contact pin arranged below the elevating device main body and on the back side of the elevating rail. A back plate that slides along an inclined plate arranged at the lower end of the back surface, a rotating arm that is pin-joined above the elevating device main body on the front side of the elevating rail, and the rotating arm. A crank member to be connected is included, and the rear end side of the rotating arm is rotatably pin-joined to the elevating device main body by the first rotating pin, and the second rotation arm is connected to the front end side of the rotating arm. The crank member is rotatably pin-joined by a moving pin, a first weight is provided at the front end of the rotating arm, and the rotating arm is pin-joined by the rotating pin in the crank member. An elevating means connecting portion is provided at the end of the first arm extending to, a lock pin is arranged on the second arm extending from the pin-joined position to the other, and a second weight is arranged at the end of the second arm. It is characterized in that an engaging portion for which the lock pin is engaged is provided below the arrangement position of the first rotation pin above the main body of the elevating device.

Further, in the elevating device of the present invention, the elevating rail is composed of an outer flange related to H-shaped steel, and the outer flange is sandwiched between the rotating arm and the contact pin, and the lower contact plate and the back plate, respectively. It is characterized by being attached.

According to the lifting device of the present invention, when the sensor is placed in water and locked, the weight can be made as light as possible, and a lifting device that is not easily affected by waves or the shaking of a ship can be provided. In particular, when the lock pin arranged on the crank member engages with the engaging portion, the waves and the shaking of the ship hardly affect the lifting device, and the displacement of the lifting device can be prevented.

Further, when the elevating device reaches the lower end of the elevating rail, the elevating device can be easily and stably locked by the own weight of the first weight provided on the rotating arm and the second weight provided on the crank member.

Further, in the elevating device of the present invention, the elevating device is attached so that the elevating rail is composed of an outer flange related to H-shaped steel, and the outer flange is sandwiched between the rotating arm and the contact pin, and the lower contact plate and the back plate. Therefore, the upper part and the lower part of the elevating device main body related to the elevating device can be firmly fixed to the elevating rails, respectively.

It is a figure which shows the whole structure of the installation state of the sensor including one Embodiment of the elevating device of this invention. It is a side view which shows the unlocked state in the elevating device shown in FIG. It is a side view which shows the locked state in the elevating device shown in FIG. It is a side view which shows the whole structure including an example of the conventional lifting device. It is a side view which shows the unlocked state in the conventional lifting device. It is a side view which shows the locked state in the conventional lifting device.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing an overall configuration of an installed state of a sensor 11 including an elevating device 1 according to an embodiment of the present invention, and FIG. 1A shows a sensor 11 attached to the elevating device 1 along an elevating rail 13. FIG. 5B is a side view showing a state in which the sensor 11 is moved up and down, and FIG. 1B is a side view showing a state in which the lifting device 1 is arranged at the lower end of the lifting rail 13 and the sensor 11 is installed in water. Further, FIG. 2 is a side view showing a state in which the elevating device 1 is unlocked at the lower end of the elevating rail 13, and FIG. 3 is a side view showing a state in which the elevating device 1 is locked at the lower end of the elevating rail 13. It is a figure.

As shown in these figures, when the sensor 11 is installed underwater, the sensor 11 is first attached to the elevating device 1, and the elevating device 1 to which the sensor 11 is attached is installed on the outer plate 12 of the hull. Attach to. Then, the sensor 11 can be installed in water by lowering the elevating device 1 along the elevating rail 13 by an elevating means such as a winch 14. In the present embodiment, the elevating rail 13 is installed on the outer plate 12 of the hull, but the place where the elevating rail 13 is installed is not limited to the outer plate 12 of the hull, and the sensor 11 is installed at a predetermined place. Installed in advance.

The mode of the elevating rail 13 is not particularly limited, but the elevating rail 13 can be installed easily and inexpensively by applying a shaped steel such as an H-shaped steel or an I-shaped steel. In particular, by using the outer flange of the H-shaped steel as the elevating rail 13, the elevating device 1 can be attached so as to sandwich the outer flange between the elevating devices 1 and the elevating device 1 can be easily and stably attached. Can be raised and lowered.

The elevating device 1 according to the embodiment of the present invention includes the elevating device main body 2 and the lower contact plate 3 which is arranged below the elevating device main body 2 and is in contact with the front surface 13a on the front surface 13a side of the elevating rail 13. , A contact pin 4 arranged above the elevating device main body 2 and in contact with the back surface 13b on the back surface 13b side of the elevating rail 13, and arranged below the elevating device body 2 on the back surface 13b side of the elevating rail 13. A rotating arm that is pin-joined above the elevating device main body 2 on the front surface 13a side of the elevating rail 13 and the back plate 5 that slides along the inclined plate 16 arranged at the lower end of the back surface 13b. 6 and a crank member 7 connected to the rotating arm 6 are included.

Here, when H-shaped steel is applied to the elevating rail 13, the outer flange (the side opposite to the hull) of the H-shaped steel is the elevating rail 13, and the outer side of the elevating rail 13 composed of the outer flange is the front surface 13a side. The inside of the outer flange (on the hull side) is the back surface 13b side of the elevating rail 13.

In this case, the lower contact plate 3 arranged on the front surface 13a side of the elevating rail 13 below the elevating device main body 2 slides on the front surface 13a of the elevating rail 13 as the elevating device 1 moves up and down.

Further, the contact pin 4 arranged on the back surface 13b side of the elevating rail 13 above the elevating device main body 2 slides on the back surface 13b of the elevating rail 13 as the elevating device 1 moves up and down.

The back plate 5 arranged on the back surface 13b side of the elevating rail 13 below the elevating device main body 2 is arranged so as to sandwich the elevating rail 13 with the lower contact plate 3. On the other hand, at the lower end of the back surface 13b of the elevating rail 13, an inclined plate 16 inclined downward from the outside to the inside of the elevating rail 13 is disposed, and the elevating device 1 reaches the lower end of the elevating rail 13. At that time, the lower end of the back plate 5 slides on the inclined plate 16.

Further, the rotating arm 6 arranged on the front surface 13a side of the elevating rail 13 above the elevating device main body 2 is pin-joined by the first rotating pin 8 so as to sandwich the elevating rail 13 with the contact pin 4. Is arranged by.

A crank member 7 is connected to the rotating arm 6. More specifically, the rear end 6a side of the rotating arm 6 is rotatably pin-joined to the front surface 13a side of the elevating rail 13 above the elevating device main body 2 by the first rotating pin 8. On the other hand, a crank member 7 is rotatably pin-joined to the front end 6b side of the rotating arm 6 by a second rotating pin 9, and a first weight 10 is further arranged at the front end 6b of the rotating arm 6. Has been done.

In the crank member 7 rotatably pin-joined to the front end 6b side of the rotary arm 6 by the second rotary pin 9, one side from the position pin-joined to the rotary arm 6 by the second rotary pin 9. An elevating means connecting portion 19 is provided at the end of the first arm 7a extending to the winch 14, and a wire 30 wound around the winch 14 (elevating means) is connected. Further, a lock pin 17 is arranged on the second arm 7b extending to the other from the position pin-joined with the rotation arm 6 by the second rotation pin 9, and the second weight 18 is arranged at the end of the second arm 7b. Are arranged.

Then, the lock pin 17 arranged on the second arm 7b is engaged with the lower part of the first rotating pin 8 arranged on the front surface 13a side of the elevating rail 13 above the elevating device main body 2. It has a joint 15.

According to the elevating device 1 of the present embodiment having the above configuration, the elevating device 1 can be easily and stably locked at the lower end portion of the elevating rail 13 as follows. Specifically, as shown in FIG. 1A, the elevating device 1 to which the sensor 11 is attached is attached to the elevating rail 13, and the elevating device 1 is lowered along the elevating rail 13 by an elevating means such as a winch 14. At this time, the lower contact plate 3 arranged on the elevating device main body 2 related to the elevating device 1 slides on the front surface 13a of the elevating rail 13, and the contact pin 4 arranged on the elevating device main body 2 slides on the elevating rail 13. It descends while sliding on the back surface 13b of the.

As shown in FIG. 2, when the elevating device 1 reaches the lower end portion of the elevating rail 13, the lower end portion of the back plate 5 arranged on the elevating device main body 2 according to the elevating device 1 becomes the back surface 13b of the elevating rail 13. By sliding on the inclined plate 16 arranged at the lower end, the elevating device 1 itself is attracted to the hull side, the lower contact plate 3 is in close contact with the front surface 13a of the elevating rail 13, and is below the elevating device main body 2. The side is firmly fixed to the elevating rail 13.

When the wire 30 wound around the winch 14 is further sent out from this state, the crank member 7 connected to the rotating arm 6 by the second rotating pin 9 due to the weight of the first weight included in the rotating arm 6 As it moves downward, the rotation arm 6 rotates around the first rotation pin 8 as a rotation axis. Then, the rear end 6a of the rotating arm 6 comes into contact with the front surface 13a of the elevating rail 13 to stop the rotation of the rotating arm 6, and the contact pin 4 arranged on the back surface 13b side of the elevating rail 13. Is attracted toward the back surface 13b and comes into close contact with the back surface 13b, and the upper side of the elevating device main body 2 is also firmly fixed to the elevating rail 13.

When the wire 30 wound around the winch 14 is further sent out from this state, the crank member 7 rotates with the second rotation pin 9 as the rotation axis due to the weight of the second weight included in the crank member 7, and finally. As shown in FIG. 3, the lock pin 17 arranged on the second arm 7b related to the crank member 7 engages with the engaging portion 15 arranged on the lifting device main body 2 related to the lifting device 1. In addition, the elevating device 1 is locked at the lower end of the elevating rail 13.

As described above, according to the elevating device 1 of the present embodiment, when the elevating device 1 reaches the lower end of the elevating rail 13, the elevating device 1 is easily and stably locked by the weights of the first weight and the second weight. be able to.

Further, according to the configuration of the elevating device 1 of the present embodiment, the lock pin arranged on the crank member engages with the engaging portion, so that waves and the shaking of the ship hardly affect the elevating device 1. , It is possible to prevent the position shift of the elevating device 1. Therefore, the first weight and the second weight can also be made as light as possible, and the burden of the lifting work of the lifting device 1 can be reduced.

Further, in the present embodiment, the outer flange related to the H-shaped steel is applied to the elevating rail 13, and the outer flange is sandwiched between the rotating arm 6 and the contact pin 4, the lower contact plate 3 and the back plate 5, respectively. By attaching the device 1, the upper and lower parts of the elevating device main body 2 related to the elevating device 1 can be firmly fixed to the elevating rail 13, respectively.

Although the embodiments of the present invention have been described in detail above, they should not be construed as substantially limiting the technical idea of the present invention. The present invention can be carried out with appropriate improvements, changes or additions by the creativity and ingenuity of those skilled in the art without departing from the gist thereof.

1: Lifting device 2: Lifting device body 3: Lower contact plate 4: Contact pin 5: Back plate 6: Rotating arm 7: Crank member 7a: 1st arm 7b: 2nd arm 8: 1st rotating pin 9: 2nd rotating pin 10: 1st weight 11: Sensor 12: Outer plate 13: Lifting rail 14: Winch 15: Engaging part 16: Inclined plate 17: Lock pin 18: 2nd weight 19: Lifting means connecting part

Claims (2)

An elevating device that elevates and descends along the elevating rail.
Lifting device body and
A lower contact plate disposed below the main body of the elevating device and in contact with the front surface of the elevating rail,
A contact pin, which is arranged above the elevating device main body and is in contact with the back surface of the elevating rail,
A back plate arranged below the elevating device main body and sliding along an inclined plate arranged at the lower end of the back surface on the back surface side of the elevating rail.
On the front side of the elevating rail, a rotating arm pin-joined above the elevating device main body and
A crank member connected to the rotating arm and
Including,
The rear end side of the rotating arm is rotatably pin-joined to the elevating device main body by the first rotating pin, and the crank member is rotatably pinned to the front end side of the rotating arm by the second rotating pin. It is joined and has a first weight at the front end of the rotating arm.
In the crank member, the elevating means connecting portion is provided at the end of the first arm extending from the position where the rotating arm is pin-joined by the second rotating pin to one side, and extends from the pin-joined position to the other. A lock pin is arranged on the second arm, and a second weight is arranged at the end of the second arm.
An elevating device characterized in that an engaging portion with which the lock pin is engaged is provided below the arrangement position of the first rotating pin above the elevating device main body. The claim is characterized in that the elevating rail is made of an outer flange according to H-shaped steel, and the outer flange is attached so as to be sandwiched between the rotating arm and the contact pin, and the lower contact plate and the back plate, respectively. The lifting device according to 1.

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