JP2000281205A - Portable turntable device and method of installing load using portable turntable device - Google Patents

Abstract

(57) [Problem] To provide a portable turntable device capable of rotating a load at a predetermined position and a method of arranging the load using the portable turntable. SOLUTION: In the portable turntable device 20 according to the present invention, a turntable main body 27 is formed by rotatably disposing a rotary plate 22 on a base plate 24 via a bearing 26. Then, the hydraulic jack 30 is installed on the lower surface of the base plate 24 of the turntable main body 27 and the turntable main body 2 is
7 can be moved up and down integrally.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a turntable device and a method for installing a load using the turntable device, and more particularly to a portable turntable device and a portable type used for turning a heavy object of several tens tons. The present invention relates to a method for installing a load using a turntable device.

[0002]

2. Description of the Related Art FIG. 6 shows a conventional turntable device. The conventional turntable device 1 shown in FIG. 6 is fixedly installed on a floor surface 2.
That is, the base plate 3 of the conventional turntable device 1 is fixedly arranged on the floor surface 2. A rotating plate 6 for rotating a load is arranged above the base plate 3, and the base plate 3 and the rotating plate 6 are connected by a rotating shaft 5 arranged on the central axis of the rotating plate 6. A rotating shaft guide 4 is provided on the base plate 3 on the outer peripheral side of the rotating shaft 5 so that the rotating shaft 5 is held vertically.

[0003] A ball bearing 7 is arranged on the periphery of the rotating plate 6 and the base plate 3. The ball bearings 7 are guided in the circumferential direction by ball bearing guides 8 arranged on both sides, and the rotating plate 6 is rotationally supported by the ball bearings 7 in the circumferential direction.

Conventionally, when a heavy object of about several tens of tons is installed at a predetermined position in a building using such a turntable device, the following is performed. First, the load, which is the heavy load, is placed on a transport trolley or the like, and the load is loaded from the entrance of the building. Here, when the path from the carry-in entrance to the predetermined installation position is bent, it is necessary to change the carrying direction in the turntable device 1. Then, the transport vehicle supporting the load is transported to the installation position of the turntable device 1. Then, the load is removed from the transport trolley, and the load is placed on the turntable device 1. Then, after the load is rotated by the turntable device 1, the load is placed on a transport vehicle arranged in the transport direction, and the load is installed at a predetermined position.

[0005]

However, the conventional turntable device has the following disadvantages.
Conventionally, in a turntable device, a base plate is fixedly installed on a floor, and once installed, there is a problem that it is difficult to move due to its structure. For this reason, it is necessary to convey the load on the transfer means to the turntable installation position to change the direction, and particularly when the building is narrow, or when other devices or the like are already arranged, the load is moved to a predetermined position. It has been difficult to dispose them at the position.

In order to improve this drawback, it is conceivable to mount the carrying device mounting bracket on the turntable device and move the turntable device. With this configuration, the load on the transporting means can be rotated at the direction change position. However, there is no difference from the fixed turntable device that the load needs to be moved from the conveying means to the turntable device at the turning position. In particular, when the load is a heavy object of about several tens of tons, there is a problem in that moving the load using the transport means and the turntable device is very time-consuming or work-intensive.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned drawbacks of the prior art, to reduce the burden of moving the load by the turntable device and the transport means, and to rotate the load at the turning position. It is an object of the present invention to provide a portable turntable device and a method of arranging loads using the portable turntable device.

[0008]

In order to achieve the above object, a portable turntable device according to the present invention has a turntable main body in which a rotary plate is rotatably arranged on a base plate, and the turntable main body is provided with a turntable main body. A clearance can be formed on the floor surface, and an elevating means is provided on the lower surface of the base plate so that the turntable body can be raised and lowered by the elevating means. Further, the turntable device is integrally attached to a transport means for transporting and supporting the load.

In the method of arranging a load using a portable turntable device according to the present invention, the load is arranged on a transfer means for transferring the load and transferred, and the turntable is placed on the lower surface of the load in the transfer means. Arrange the main body, raise the turntable main body by lifting means to support the load,
While rotating the load, the transport unit is turned in the transport direction, the turntable is lowered by the elevating unit, the load is supported by the transport unit, and the load is moved to a predetermined position by the transport unit. It was configured to be installed.

[0010]

Embodiments of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1A is a top view of a portable turntable device 20 according to the present embodiment, and FIG.
FIG. 2B is an internal sectional view of the portable turntable device 20. In the portable turntable device 20 according to the present embodiment, the turntable body 27 is formed by arranging the rotary plate 22 on the base plate 24 via the ball bearing 26. That is, the rotating plate 22 and the base plate 24 have a disk shape in plan view. The ball bearing 26 is disposed on the edge between the base plate 24 and the rotating plate 22. The ball bearing 26 is movable in the circumferential direction by flat bars 28 provided on both sides in the circumferential direction, and rotatably supports the rotating plate 22.

In this embodiment, four hydraulic jacks 30 are arranged on the lower surface of the base plate 22 at equal intervals from the center of the base plate 22 at intervals of 90 degrees. The hydraulic jacks 30 are each connected to a hydraulic unit 32, and the hydraulic unit 32 drives the piston rod 31 of the hydraulic jack 30 up and down. In the present embodiment, the turntable body 27 connected above the hydraulic jack 30 is raised by extending the piston rod 31 of the hydraulic jack 30 disposed on the base plate 22 downward.

On the lower surface of the base plate 24, H
The mold steel 34 is installed so as to form a double cross shape in a top view, and supports the turntable main body 27. In the present embodiment, the H-shaped steel 34 forms a gap between the turntable main body 27 and the floor surface,
As will be described later in detail, the turntable main body 27 can be moved by the hand pallet lifter 42 which is a transport means. A blind skirt 36 protruding downward is provided on the peripheral side of the base plate 24.

A rotary shaft 38 is arranged at the center of the turntable main body 27 as shown in FIG. As shown in FIG. 1B, the upper end of the rotating shaft 38 is in contact with the lower surface of the rotating plate 22 and rotatably supports the rotating plate 22. Further, an eyebolt mounting tap 39 is provided at the center of the rotating plate 22.

The lifting means 27 of the turntable main body 27 according to this embodiment will be described below. In the present embodiment, the turntable main body 27 can be integrally raised by extending the piston rod 31 of the hydraulic jack 30 disposed on the base plate 22 downward. FIG. 1C is an explanatory view showing an arrangement of the hydraulic jack 30 serving as the elevating means and the base plate 22. As shown in FIG. 1C, a through hole is provided in the base plate 22 on the outer peripheral side of the upper end of the hydraulic jack 30. A carbon steel pipe (SGP) 4 for piping is provided on a side wall of the base plate 24 facing the hydraulic jack 30.
0 is disposed below, and a jack plate 38 is connected to the SGP 40 at the lower end. A female screw is formed on a side wall of the jack plate 38, and the hydraulic jack 30 is held by fitting the side surface of the hydraulic jack 30 to the female screw. The hydraulic jacks 30 are connected to hydraulic units 32, respectively. The hydraulic unit 32 allows the hydraulic jack 30
The piston rod 31 provided at the lower portion extends downward, and the turntable main body 27 can be integrally raised as described above.

In this embodiment, the H-shaped steel 34 allows the turntable main body 27 to form a clearance with respect to the floor surface, and the turntable device 20 can be moved and arranged at the position where the load is turned. FIG. 4A is a perspective view of a hand pallet lifter for moving the turntable device 20 in the present embodiment, and FIG. 4B is an explanatory diagram for moving the turntable device 20 by the hand pallet lifter. The hand pallet lifter 42 includes:
As shown in FIG. 4A, the transported object (in this embodiment, the turntable device 20) can be supported by the claws. A lever 44 is provided on the back surface of the hand pallet lifter 42. By moving the lever 44 up and down, a hydraulic cylinder 46 disposed in the claw portion is moved up and down to adjust the height of the claw portion. be able to. In the present embodiment, since a clearance is formed between the turntable main body 27 and the floor surface, the turntable main body 27 can be moved. Further, as shown in FIG. 1, the H-shaped steels 34 are arranged in a double cross shape. In the present embodiment, the width of the double H-shaped steel 34 is equal to the width of the claw of the hand pallet lifter 42. Therefore, as shown in FIG. 4B, the claw portion of the hand pallet lifter 42 can be inserted into the lower surface of the base plate 24, and the turntable device 20 can be moved.

A description will be given, with reference to FIG. FIG. 3A is an explanatory diagram of a transport carriage 50 that transports the load 48, and FIG. 3B is an explanatory diagram illustrating a transport route of the load 48. In the present embodiment, the load 48 to be transported has a rectangular parallelepiped shape of about 20 tons. In the present embodiment, the load 48 is supported by a transport carriage 50 as shown in FIG. The transport carriage 50 has a structure in which an upper portion has a platform that contacts one end of the load 48 and a lower portion has a transport roll. The load 48 is transported and supported by the transport carriage 50 at four corners on the bottom surface of the load 48, respectively.
Each of the transport vehicles 50 is a hydraulic unit 52 for the vehicle.
It is connected to the. As a result, the carriage 50 is driven by the carriage hydraulic unit 52 to support and transport the load 48. Then, as shown in FIG. 3B, the turntable device 20 is inserted and arranged on the lower surface of the load 48 while the load 48 is supported by the transport carriage 50, and the load 48 of the present embodiment will be described below. It can be rotated at a predetermined turning position as shown.

In the above configuration, the operation of the turntable device 20 of the present embodiment is as follows. FIG.
FIG. 4 is an explanatory diagram of a step of changing a direction of a transported object 48 supported by a transporting unit by a turntable device 20. The inside of the lower surface of the load 48 supported by the carrier 50 is
The turntable device 20 is inserted and arranged as shown in FIG. As described above, the turntable device 20 according to the present embodiment can be moved while being supported by the claw portion of the hand pallet lifter 42, and thus can be inserted and arranged below the load 48 supported by the transport carriage 50. The turntable main body 27 inserted and arranged below the load 48 is supported by the H-shaped steel 34 and the rotating shaft 38 as described above. At this time, the hydraulic jack 30 has a clearance with respect to the floor surface, and does not support the turntable main body 27.

After the turntable device 20 is disposed in the conveyed article 48, the piston rod 31 of the hydraulic jack 30 is extended downward by the cylinder hydraulic unit 32 as shown in FIG. After the piston rod 31 extends and the lower end of the piston rod 31 comes into contact with the floor, the turntable main body 27 is supported by the hydraulic jack 30. Then, the piston rod 31 is further extended to raise the turntable body 27,
The rotating plate 22 of the turntable body 27 is
8 Contact the lower surface. Thus, the load 48 can be supported by the rotating plate 22 of the turntable main body 27. When the piston rod 31 is further extended, the load 48 supported by the rotary plate 22 is separated from the carrier 50 and rises integrally with the turntable body 27.

The rotary shaft 38 is driven to rotate by the above-described drive source (not shown), and the rotary plate 22 is also driven to rotate integrally with the rotary shaft 38. As a result, the load 48 in contact with the rotating plate 22 is transferred to the rotating plate 2.
2 and can be turned in one direction.

Then, after the load 48 is turned around,
The piston rod 31 of the hydraulic jack 30 is retracted downward, and the turntable main body 27 is lowered integrally with the load 48. At the position where the rotated load 48 is disposed, the transport vehicle 50 whose direction has been changed is rearranged.

When the piston rod 31 descends, the load 48 comes into contact with the carrier 50, and the load is supported by the carrier 50 again. Further, as the piston rod 31 further contracts, the H-shaped steel 34 installed on the base plate 24 descends with respect to the floor surface,
The lower end of the H-section steel 34 contacts the floor surface. Thereby, the turntable main body 27 is supported again by the H-shaped steel 34.

Then, after the load 48 is placed on the carriage 50 again, the turntable 20 is moved from the load 48 by the hand pallet lifter 42. Then, the load 48 supported by the transport vehicle 50 is transported while being supported by the transport vehicle 50, and is installed at a predetermined position.

As described above, the portable turntable device according to the present invention can be moved to the lower portion of the load supported by the transport means and can be disposed, so that the load can be changed at any direction change position. Can be rotated, and the load can be rotated without the trouble of lifting and lowering the load from the transport trolley, so that the processing efficiency can be improved. In addition, the turntable device according to the present embodiment does not need to center the hydraulic jack, so that the load can be prevented from tipping over during the ascent and descent, and the rotating work can be performed.

FIG. 5 is an explanatory view of a turntable device according to a second embodiment of the present invention. In the present embodiment, the transport carts are rotatably disposed at the ends of the transport frame that transports and supports the load. Then, the turntable device 2 which makes contact with the load and rotates.
0 is integrated into the transport frame.

According to the above configuration, it is possible to cause the load to turn around at an arbitrary place without requiring a process of taking the turntable body into and out of the load. In the embodiment, a hand pallet lifter is used as the transport means, but the transport means of the turntable device is not particularly limited to this. Further, in the embodiment, the hydraulic jack is used as the lifting / lowering means of the turntable main body, but other means may be used. In the embodiment, the clearance is formed between the turntable main body and the floor surface by using the H-shaped steel. However, the configuration is not limited to this. Then, the turntable body and the lifting / lowering means may be formed so as to be separable.

[0026]

As described above, the portable turntable device and the load placement method using the device according to the present invention can easily move the turntable, so that the load can be rotated at a predetermined position. Since it can be performed, it is also possible to easily dispose the load in a relatively narrow building or the like. In addition, since the load can be rotated without trouble of lowering the load from the transport means,
Processing efficiency can be increased.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a portable turntable device according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram of a method of rotating a load according to an embodiment of the present invention.

FIG. 3 is an explanatory view showing a method of transporting a load.

FIG. 4 is an explanatory view of a transportation means of the portable turntable device.

FIG. 5 is an explanatory view of a portable turntable device according to a second embodiment of the present invention.

FIG. 6 is an explanatory diagram of a conventional turntable device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Turntable 2 Floor surface 3 Base plate 4 Rotating shaft guide 5 Rotating shaft 6 Rotating plate 7 Ball bearing 8 Ball bearing guide 20 Turntable device 22 Rotating plate 24 Base plate 26 Ball bearing 27 Turntable main body 28 Flat steel 30 Hydraulic jack 31 Piston rod 32 Hydraulic unit 34 H-shaped steel 36 Mekaku skirt 38 Jack plate 40 Carbon steel tube for piping (SGP) 42 Hand pallet lifter 44 Lever 45 Claw portion 46 Hydraulic cylinder 48 Loaded material 50 Carriage truck 52 Transportation hydraulic unit 54 Rotation position 56 Installation Position 58 Other equipment 60 Transport frame

Claims (3)

[Claims] 1. A turntable main body having a rotatable plate rotatably arranged on a base plate, wherein the turntable main body can form a clearance with respect to a floor surface, and an elevating means is provided on a lower surface of the base plate to provide the turntable main body. A portable turntable device wherein the turntable body can be raised and lowered by lifting means. 2. The portable turntable device according to claim 1, wherein said turntable device is integrally attached to a transport means for transporting and supporting a load. 3. A method of disposing a load on a transport means for transporting a load, transporting the load, disposing a turntable body on a lower surface of the load in the transport means, and raising the turntable body by an elevating means. Supporting the load, rotating the load and turning the transfer means in the transfer direction,
Loading equipment using a portable turntable device, wherein the lifting means lowers the turntable to support the load on the transport means, and the transport means places the load at a predetermined position. Method.