JP2002187608A - Heavy article carrying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To carry a heavy article with small carrying force by avoiding interference with an obstruction even in a small room. SOLUTION: A roller conveyor 1 for straight advance constituted by supporting a plural number of conveyor rollers 5 free to rotate by arranging them in parallel is furnished in a conveyor frame 4 a flat surface shape of which is square. A ball conveyor 2 for directional changing constituted by arranging a large number of conveyor balls 14 free to rotate at the same position is furnished in a conveyor frame 9 of the same size as the conveyor frame 4 of the roller conveyor 1. The heavy article is straight advanced on the roller conveyor 1 and directionally changed on the ball conveyor 2 by arranging the roller conveyor 1 and the ball conveyor 2 by avoiding a position of the obstruction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heavy object transfer device capable of easily transferring a heavy object to a target place with a small transfer force.

[0002]

2. Description of the Related Art In various plant facilities, installation work such as a self-standing board in a computer room is performed.

For example, a computer panel installed in a computer room will be described. In the installation work, the computer panel is transported from the entrance to the computer room to the installation position. In this case, the computer board is a standard heavy object having a weight of about 300 kg. Therefore, it is difficult for an operator to carry the computer board from the position of the entrance of the computer room to the installation location by hand. Therefore, conventionally, in the installation work of the computer panel in the computer room, a tow-type heavy load carrier has to wait at the position of the carry-in entrance of the computer room, and the computer panel suspended by a crane on the heavy load carrier has to be suspended. The computer board is transported to the installation location by moving the heavy load carrier by towing the operator, and then the computer board is installed at the installation location.

[0004]

However, in the case of the above-described transfer operation using a heavy load carrier, the number of computer boards that can be transferred at one time is limited to the number of the heavy load transport vehicles. When installing a panel, a lot of waiting time is generated, which is inefficient, and even if multiple heavy goods trucks are used, the volume, weight and moving range of the trucks themselves are large, and handling is difficult. Transporting the computer board between obstacles such as pillars and other equipment in a limited space such as a computer room has a problem that workability is poor and time-consuming. .

Accordingly, the present invention is directed to a heavy object transport apparatus capable of easily transporting a heavy object such as a computer board with a small transport force while avoiding interference with an obstacle even in a narrow room such as a computer room. It is intended to provide.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention solves the above-mentioned problem by providing a plurality of conveyor rollers arranged side by side in a conveyor frame having a square planar shape and rotatably supported. A required number of rollers in which a roller conveyor is configured to be detachably connected by a connection mechanism and used, or a plurality of conveyor rollers are rotatably supported side by side in a conveyor frame having a square planar shape. In a conveyor frame of the same size as the conveyor frame of the roller conveyor, a required number of ball conveyors in which a number of conveyor balls are arranged so as to be rotatable at the same position are combined and connected by a connection mechanism. Configuration.

[0007] A roller conveyor is connected to the straight section and used.
In the case of using a roller conveyor and a ball conveyor in combination, if both conveyors are used side by side so that the ball conveyor is arranged in the direction change part, a heavy object is conveyed by a small conveying force while avoiding interference with an obstacle. Will be able to do it.

[0008] Further, the connecting mechanism comprises a projection provided at an end of each frame member of the conveyor frame, and a hole provided at an end of each frame member facing the projection so as to fit the projection. By connecting the conveyors,
The detachment operation can be easily performed.

Further, a ball conveyor is mounted on a conveyor frame, a bottom plate disposed on the lower surface of the conveyor frame, lower ball bearings arranged and fixed on the bottom plate, and rotatably mounted on each of the lower ball bearings. And a top plate arranged on a conveyor frame so that the upper end of the conveyor ball is exposed upward, and attached to the lower surface of the top plate to support the outer surface above the center of each of the conveyor balls. A stable operation can be obtained with a simple configuration by adopting a configuration including the above-mentioned upper ball bearing.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 (a), (b) and 2 show an embodiment of the present invention, in which a heavy object mounted via a base plate 3 with a planar shape of a square having the same size is mounted on the upper surface side. A roller conveyor 1 for straight traveling and a ball conveyor 2 for direction change, which can be conveyed along the conveying surface, are directed to a required table. It is configured to have a connecting mechanism for connecting the two or the conveyors 1 and 2 so that they can be detachably connected to each other in the front, rear, left and right directions.

More specifically, as shown in FIG. 1A, the roller conveyor 1 has a conveyor frame 4 having a square planar shape, and is arranged in the conveyor frame 4 in parallel so that both ends of the shaft face each other. A plurality of conveyor rollers 5 rotatably supported by a frame member 4a, and a rubber seat plate 6 attached to the bottom surface of the conveyor frame 4;
The upper surface side of the five rows of the conveyor rollers serves as a transporting surface for moving a heavy object straight, and at the outer end of each frame member 4a serving as a corner of the conveyor frame 4, a projection 7 and a hole 8 as a coupling mechanism are provided. , And the projections 7 are provided so as to be turned by 90 degrees at each corner, and the holes 8 in which the projections 7 are fitted are provided so as to correspond to the respective projections 7 so as to be turned 90 degrees at each corner. There is.

The ball conveyor 2 is shown in FIG.
As shown in FIG. 2, a conveyor frame 9 having the same size as the conveyor frame 4 of the roller conveyor 1, a bottom plate 10 for closing the lower surface of the conveyor frame 9, and a large number of balls 13 on a race 12 having a U-shaped cross section Are rotatably held, and a number of lower ball bearings 11 arranged and fixed on the bottom plate 10 in the front-rear and left-right directions, and are rotatably (rotated) on balls 13 of the respective lower ball bearings 11. The mounted large-diameter conveyor balls 14 and the conveyor balls 14 at positions corresponding to the respective conveyor balls 14.
The top plate 16 is provided with a hole 15 so as to expose the upper side of the conveyor frame 9 so as to close the upper surface of the conveyor frame 9, and a large number of balls 19 are formed on a race 18 having a U-shaped cross section similarly to the lower ball bearing 11. The upper ball bearing 17 is mounted on the lower surface of the top plate 16 so that the outer surface above the center of each of the conveyor balls 14 is supported by a ball 19.
And a rubber seat plate 6 attached to the bottom surface of the conveyor frame 9, the exposed surface of the group of conveyor balls 14 from the top plate 16 serving as a transfer surface for changing the direction of a heavy object, and a roller. As in the case of the conveyor 1, each of the frame members 9a of the conveyor frame 9 is provided with a coupling mechanism including a projection 7 and a hole 8.

In the heavy goods transport apparatus of the present invention, the plurality of roller conveyors 1 and the plurality of ball conveyors 2 are appropriately combined and connected to carry heavy goods. FIGS. 3 to 7 show three boards channel bases 21a, 21b and 21c arranged side by side on a deep floor in a board installation room 20 such as a computer room.
a, 22b, and 22c are introduced from a carry-in entrance 23 and transported for installation.
The procedure of transport and installation by the heavy load transport device of the present invention will be described along the line. Here, a computer panel is assumed as the panels 22a, 22b, 22c to be installed in the panel installation room 20, and one side of each of the conveyors 1 and 2 has a standard width of the computer panel. The size is 600 mm,
Regarding the withstand load, the weight of the standard computer panel is 30.
Since it is about 0 kg, it is set to about 500 kg. For convenience of explanation, the conveyors 1 and 2 are given a suffix to the reference numerals in accordance with the number of units to be used.

First, as shown in FIG. 3, the roller conveyor ₁₁ is arranged on the floor surface in front of the roller channel base 21a so that the front end is on the side of the panel channel base 21a in accordance with the position of the innermost panel channel base 21a. , then assumed to be used by relocation together the roller conveyor _{1 1} board channel base 21b, the position of 21c, board channel base 21b, 2
On the floor in front of the position of 1c are as keep the cavity, a ball conveyor 2 ₁ placed on the roller conveyor 1 ₁ in front of the floor surface, then the roller conveyor next to the ball conveyor 2 ₁ 1 ₂ and a ball conveyor _{2 2} place, further, a carry-in port 23 from the front position of the ball conveyor _{2 2} to the outer position of the street entrance 23, the roller conveyor ₁ 3,
1 _{4, 1 5} side by side arrangement. At this time, adjacent conveyors are connected to the respective frame members 4 of the conveyor frames 4 and 9.
The projections 7a and 9a can be easily connected by fitting the opposing projections 7 and the holes 8 together. Further, since the rubber seat plate 6 is attached to the bottom of each of the conveyors 1 and 2, it is stably arranged on the floor surface in combination with the coupling force due to the fitting of the projection 7 and the hole 8. can do.

[0016] In the above state, the upper roller conveyor 1 ₅ located outside the entrance 23, placing the base plate 3 shown in FIG. 1 (b), on the base plate 3, the first panel 22a by a crane Hang it down. Roller conveyor ₁₅
When the board 22a is mounted thereon, as shown in FIG.
roller conveyor a over the roller conveyor _{1 5 1} 4, 1
₃ through the linearly conveyed to the ball conveyor 2 _2, by changing the conveying direction of the panel 22a 90 degrees on the ball conveyor 2 _2, then transverse to the ball conveyor 2 on ₁ via a roller conveyor 1 _2, further, ball the conveying direction of the board 22a on conveyor 2 ₁ changed again 90 degrees and conveyed to board channel based 21a before the position of the roller conveyor 1 on _1, so as to be installed on board the channel base 21a. On this occasion,
As shown in FIG. 5, while conveying the board 22a, the next board 22b, and a is sequentially carried 22c, to wait on such as a ball conveyor 2 ₂ and the roller conveyor 1 _3, 1 ₄ located upstream To keep.

[0017] placing the plate 22a on the board channel base 21a, then, as shown in FIG. 6, the roller conveyor _{1 2}
Roller conveyor ₁₁ and ball conveyor 2
₁ and moved to the position next to match the board channel base 21b, connecting the ball conveyor 2 ₁ and 2 _2, in this state, the board 22b which had been waiting in the upstream, from the top ball conveyor 2 ₂ after conveyed onto 2 _1, and 90-degree direction change with the ball conveyor 2 ₁ conveyed on the roller conveyor 1 _1, so as to install the該盤22b on board channel base 21b.

[0018] Then, as shown in FIG. 7, after removing the ball conveyor _{2 1} and _{2 2,} in accordance with the position of the panel channel base 21c, to move the roller conveyor _{1 1,} and the roller conveyor _{1 1} and _{1 3} Roller conveyor 1 between the positions
₂ to place and connect them, in such a state, the board 22c which had been waiting in the upstream via the roller conveyor 1 ₂ above was conveyed to the roller conveyor 1 on _1, the panel 22c on board channel base 21c Install. All boards 22a, 2
When 2b and 22c are installed, all the conveyors are removed, and the panel installation operation is completed.

As described above, the straight roller conveyor 1
And the direction changing ball conveyor 2 can be appropriately arranged and rearranged as appropriate, so that even in a narrow room, it is possible to easily carry a heavy object such as a board while avoiding obstacles such as other installation objects and pillars. Can be. At this time, the force required to transport the heavy load may be applied in one direction, and the transport force can be minimized as compared with the case where the heavy load transport truck is pulled around as in the conventional case. Labor can be greatly reduced. In particular, on the ball conveyor 2, only the traveling direction needs to be changed without performing the operation of changing the direction of the heavy object itself, so that the operation can be facilitated. or,
Since the roller conveyor 1 and the ball conveyor 2 can be arbitrarily arranged and used, there is no restriction on the number of heavy objects that can be conveyed at one time, and it is possible to convey the heavy objects continuously as in a flow operation. As a result, the time required to carry in and install a heavy object can be greatly reduced, and the entire operation can be performed efficiently.

In the above description, the conveyor balls 14 used for the ball conveyor 2 include a top plate 16 and a bottom plate 1.
Since it is supported by the upper ball bearing 17 and the lower ball bearing 11 fixed to 0 and can rotate smoothly in any direction, and is held by the top plate 16 so as not to protrude to the outside, It can always rotate at a fixed position. Therefore, without using the roller conveyor 1, it can be used not only for the direction change but also for the straight traveling as a combination of only the ball conveyor 2, and in this case, it is advantageous to be able to connect side by side without considering the direction. Become.

It should be noted that the present invention is not limited to the above embodiment, and that the size of the conveyors 1 and 2 can be arbitrarily selected.
It may be a structure other than the combination with
In the embodiment, the case of transporting a board such as a computer board has been described. However, the present invention can be used for transporting any other heavy object, and various modifications may be made without departing from the scope of the present invention. Obviously you can get it.

[0022]

As described above, according to the heavy object transporting device of the present invention, a required number of parallel conveyor rollers are rotatably supported in a conveyor frame having a square planar shape. A required number of roller conveyors that are detachably connected by a connection mechanism and used, or a plurality of conveyor rollers are arranged side by side in a conveyor frame with a square planar shape and supported rotatably. Roller conveyor, in a conveyor frame of the same size as the conveyor frame of the roller conveyor,
The required number of ball conveyors are arranged in such a way that a large number of conveyor balls are rotatable at the same position, and the required number of ball conveyors are combined and used by connecting them with a coupling mechanism. Can be used to transport heavy objects while avoiding obstacles even in a small room. At this time, the force required to transport the heavy objects may be applied in one direction. Can be minimized, and the labor of the operator can be greatly reduced as compared with the case of using a conventional heavy object transport trolley, and the number of heavy items that can be conveyed at one time is limited. Since there is no such work, it is possible to convey a heavy object continuously as in the flow operation, the waiting time can be reduced, the entire operation can be performed efficiently, and the connecting mechanism is
By making the projections provided at the ends of the respective frame members of the conveyor frame, and the holes provided at the ends of the respective frame members facing the projections so that the projections are fitted, the work of connecting the conveyors can be performed. The ball conveyor can be easily and reliably performed. Further, the ball conveyor is provided with a conveyor frame, a bottom plate disposed on the lower surface of the conveyor frame, lower ball bearings arranged and fixed on the bottom plate, and A conveyor ball rotatably mounted on a conveyor board, a top plate disposed on a conveyor frame so as to expose an upper end of the conveyor ball upward, and a top plate attached to a lower surface of the top plate and above a center of each of the conveyor balls. With the configuration consisting of an upper ball bearing that supports the outer surface, the conveyor ball can always be held at a fixed position. Te, it is possible to obtain the reliability of operation, exhibits excellent effects and the like.

[Brief description of the drawings]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an embodiment of a heavy-load conveying device according to the present invention.

FIG. 2 is a partially enlarged sectional view of a ball conveyor.

FIG. 3 is a schematic plan view showing a panel installation operation procedure performed by using the heavy object transfer device of the present invention.

FIG. 4 is a schematic plan view showing a state different from FIG. 3;

FIG. 5 is a schematic plan view showing a state different from FIG. 4;

FIG. 6 is a schematic plan view showing a state different from FIG. 5;

FIG. 7 is a schematic plan view showing a state different from FIG. 6;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Roller conveyor 2 Ball conveyor 4 Conveyor frame 4a Frame member 5 Conveyor roller 7 Projection (connection mechanism) 8 Hole (connection mechanism) 9 Conveyor frame 9a Frame member 10 Bottom plate 11 Lower ball bearing 14 Conveyor ball 16 Top plate 17 Upper ball bearing

Claims (4)

[Claims] 1. A required number of roller conveyors having a plurality of conveyor rollers arranged in parallel and rotatably supported in a conveyor frame having a square planar shape are detachably connected by a connection mechanism for use. A heavy object transport device having a configuration. 2. A required number of roller conveyors in which a plurality of conveyor rollers are rotatably supported side by side in a conveyor frame having a square planar shape, and a conveyor frame having the same size as the conveyor frame of the roller conveyor. A heavy object having a configuration in which a required number of ball conveyors in which a number of conveyor balls are arranged so as to be rotatable at the same position are combined and connected by a connection mechanism. Transport device. 3. The connecting mechanism comprises a projection provided at an end of each frame member of the conveyor frame, and a hole provided at an end of each frame member facing the projection so as to fit the projection. The heavy object transport device according to claim 1. 4. A ball conveyor is mounted on a conveyor frame, a bottom plate disposed on a lower surface of the conveyor frame, lower ball bearings arranged and fixed on the bottom plate, and rotatably mounted on each of the lower ball bearings. And a top plate arranged on a conveyor frame so that the upper end of the conveyor ball is exposed upward, and attached to the lower surface of the top plate to support the outer surface above the center of each of the conveyor balls. 4. The heavy object transfer device according to claim 1, wherein the transfer device comprises a top ball bearing.