JP4987941B2 - Heavy goods conveyor - Google Patents

Description

  The present invention relates to a heavy article transport device that transports a heavy article using rollers.

  As a simple transport means for transporting heavy objects, a plurality of rollers oriented in the direction perpendicular to the transport direction are arranged on the floor or rail in the transport direction, and the heavy objects placed on these aligned rollers are arranged. A method of conveying using rolling rollers has been known for a long time. However, the heavy material transport method using these rollers has a problem that it is difficult to move the heavy material in a direction perpendicular to the transport direction.

  To solve such a problem, as shown in FIG. 5, a loading carriage 54 having wheels 53 is disposed on a roller carriage 52 having a plurality of rollers 51 arranged on the lower side. There has been proposed a two-stage trolley type heavy article conveyance device that moves in the conveyance direction and also allows a loading carriage 54 on which a heavy article is placed to move on the roller carriage 52 in a direction perpendicular to the conveyance direction (for example, a patent) Reference 1). In addition, in what was described in patent document 1, the drive device which drives the roller 51 of the roller trolley | bogie 52 and the wheel 53 of the loading trolley | bogie 54 is provided, and manpower etc. are unnecessary.

Japanese Utility Model Publication No. 60-148709

  The two-stage trolley type heavy article conveyance device described in Patent Document 1 can move a heavy article in a direction perpendicular to the conveyance direction, but it is necessary to separately attach rollers and wheels to the roller trolley and the loading trolley. There is a problem that the structure is complicated and the height dimension becomes large.

  In addition, in order to move the loading carriage on the roller carriage in the direction perpendicular to the conveyance direction, the width dimension of the roller carriage in the direction perpendicular to the conveyance direction is increased, or another roller carriage is added in the direction perpendicular to the conveyance direction. There is a problem that it is necessary and the plane size is also increased.

  Accordingly, an object of the present invention is to make it possible to design a heavy-weight transport device that can move a heavy load in a direction perpendicular to the transport direction with a simple structure and compactly.

  In order to solve the above-described problems, a heavy-duty conveyance device according to the present invention includes a rectangular frame body that opens vertically on one or more rails laid in the heavy-material conveyance direction along the rails. In the frame, a plurality of first rollers that are oriented in a direction perpendicular to the rails and are in rolling contact with the rails are arranged on the lower side, and the upper side of the arranged first rollers. A configuration is adopted in which a plurality of second rollers are arranged in a direction parallel to the rail and in rolling contact with a heavy object placed on the upper side.

  That is, a plurality of first rollers oriented in a direction perpendicular to the rails are arranged on the lower side in a rectangular frame that opens vertically so as to be movable along the rails laid in the heavy material conveyance direction. Then, by arranging a plurality of second rollers on the upper side in a direction parallel to the rail, rolling the first roller with the rail, and rolling the second roller with a heavy load placed on the upper side, A heavy-duty conveying device capable of conveying a heavy object in the conveying direction by rolling of one roller, allowing the heavy object to move in a direction perpendicular to the conveying direction by rolling of the second roller, and moving the heavy object in a direction perpendicular to the conveying direction. Can be designed compactly with a simple structure.

  When the frame is removed from the rail by providing hooks projecting inward from both sides below both ends of the first roller arranged on the lower side, the first roller and the first roller It is possible to prevent the two rollers from falling downward.

  The diameter of the first roller is preferably larger than the diameter of the second roller. This is because the first roller that rolls in the transport direction has a longer rolling distance than the second roller that rolls in the direction perpendicular to the transport direction.

  By providing the means for raising and lowering the rail, the vertical position of the heavy object to be conveyed can also be adjusted.

  The rail is suspended from the floor surface, the heavy object is a rectangular weight frame, and the upper frame of the weight frame that is vertically oriented is placed on the second rollers arranged in the frame. By suspending and transporting the weight frame body in the direction, it is possible to stably transport the weight frame body that is easily overturned and difficult to transport in the vertical direction.

  The weight frame can be a steel frame with braces. A steel frame with braces for seismic reinforcement is suitable because it is vertically installed in an opening such as a wall of a building.

  The heavy article transport device according to the present invention includes a plurality of second objects oriented in a direction perpendicular to the rails in a rectangular frame that is opened vertically so as to be movable along a rail laid in the heavy article transport direction. A heavy article that arranges one roller on the lower side, arranges a plurality of second rollers on the upper side thereof in a direction parallel to the rail, makes the first roller roll-contact with the rail, and places the second roller on the upper side. By rolling, heavy objects can be conveyed in the conveying direction with the rolling of the first roller, and heavy objects can be moved in the direction perpendicular to the conveying direction with the rolling of the second roller. can do.

The perspective view which shows the state which incorporates the steel frame which is a heavy article in the opening part of a wall using the heavy-duty conveyance apparatus which concerns on this invention. Cutaway front view showing the frame of FIG. (A), (b) is the top view and bottom view of the frame of FIG. 2, respectively. Front sectional drawing which shows the state which attached the frame of FIG. 3 to the rail External perspective view showing a conventional heavy goods transport device

  Hereinafter, embodiments of the present invention will be described. FIG. 1 shows a state in which a steel frame W with braces is incorporated as a heavy article into an opening S of a building wall using the heavy article conveying device according to the present invention. In this heavy-duty conveying apparatus, two parallel rails 3 are floated from a floor surface via jacks 2 on a pair of bases 1 reinforced at an angle, and are laid at right angles toward the opening S. A rectangular frame 6 incorporating a first roller 4 and a second roller 5 described later is disposed on each rail 3.

  As shown in FIGS. 2 and 3 (a) and 3 (b), the frame body 6 opens up and down, and is provided with a flange 6a projecting inward from the left and right sides on the lower side, and from the left and right sides on the upper side. Claws 6b projecting in the direction are provided, and a plurality of first rollers 4 oriented in the left-right direction are arranged on the lower side of the frame body 6 and directed thereon in the front-rear direction, which is the transport direction. A plurality of second rollers 5 are arranged. Therefore, when the first roller 4 and the second roller 5 are assembled in the frame body 6, both ends of the lower first roller 4 are supported by the left and right flanges 6a, and the first roller 4 and the upper side thereof. The second roller 5 is prevented from falling off. In addition, a window 6c is provided between the lower side wall 6a and the lower side wall of the frame body 6 so that the upper side of the rail 3 having a lateral H-shaped cross section shown in FIG. ing.

  The diameter of the first roller 4 is larger than that of the second roller 5, and the number of the first roller 4 is increased. The lengths of the first roller 4 and the second roller 5 are formed slightly shorter than the internal dimensions of the frame 6 in the left-right direction and the front-rear direction, respectively, and the arranged first rollers 4 and the second rollers 5 are arranged. There is a little gap between them.

  FIG. 4 shows a state in which a frame 6 is attached to the rail 3. The left and right widths of the frame body 6 are formed wider than the width of the upper side of the rail 3, and the upper side of the rail 3 is inserted through the window 6 c and inserted between the lower left and right flanges 6 a and the first rollers 4. It is attached from the end of the rail 3 as described above. Accordingly, the first roller 4 oriented in a direction perpendicular to the rail 3 is in rolling contact with the upper surface of the rail 3, and the second roller 5 oriented in a direction parallel to the rail 3 is connected to the lower surface of the steel frame W as a heavy object. In rolling contact, the steel frame W can be transported in the transport direction by rolling of the first rollers 4, and can be moved in the direction perpendicular to the transport direction by rolling of the second rollers 5. The upper claws 6b of the frame body 6 protrude into the gap between the lower surface of the steel frame body W and the second rollers 5 at both left and right ends, and prevent the frame body 6 from falling off.

  Hereinafter, a procedure for incorporating the steel frame W with braces shown in FIG. 1 into the opening S of the wall will be described. First, as a preparatory stage, a steel frame W that is vertically oriented is suspended by a crane or the like on the near side of the opening S, and the two rails 3 inserted into the steel frame W and the opening S are perpendicular to the wall. The position of the pair of bases 1 is adjusted so that the frame body 6 incorporating the first roller 4 and the second roller 5 is placed on the lower side of the upper frame of the steel frame body W along the rails 3. The upper frame of the steel frame W is hung on each frame 6.

  After this, the steel frame W is transported to the position immediately before the opening S using the rolling of the first rollers 4 that are in rolling contact with the rails 3, and then the height position of the steel frame W is set to the height of the opening S. The steel frame 2 is adjusted by the jack 2 so as to match the left and right sides, and the rolling of the second roller 5 that is in rolling contact with the upper frame of the steel frame W so as to match the left and right positions of the steel frame W with the opening S, The body W is moved in a direction perpendicular to the conveying direction. Finally, the aligned steel frame W is assembled in the opening S by using the rolling of the first rollers 4 again.

  In the above-described embodiment, the steel frame body with braces is transported as a heavy object, and the rail is floated from the floor surface. The present invention is not limited to this, and can be applied to the transportation of heavy objects of various shapes, and the rail can be laid on the floor surface or the ground.

1 Base 2 Jack 3 Rail 4 First Roller 5 Second Roller 6 Frame 6a 鍔 6b Claw 6c Window

Claims (6)

  On one or more rails laid in the transport direction of heavy objects, a rectangular frame that opens up and down is arranged so as to be movable along the rails. A plurality of first rollers that are directed in a perpendicular direction and are in rolling contact with the rails are arranged on the lower side, and a heavy article that is directed parallel to the rails and is placed on the upper side of the arranged first rollers. A heavy article conveying device in which a plurality of second rollers that are in rolling contact are arranged.   The heavy article transport device according to claim 1, wherein the frame is provided with a ridge projecting inward from both sides below both ends of the first rollers arranged on the lower side.   The heavy goods conveyance apparatus of Claim 1 or 2 which formed the diameter of the said 1st roller larger than the diameter of the said 2nd roller.   The heavy goods conveyance apparatus in any one of the Claims 1 thru | or 3 which provided the means to raise / lower the said rail.   The rail is suspended from the floor surface, the heavy object is a rectangular weight frame, and the upper frame of the weight frame that is vertically oriented is placed on the second rollers arranged in the frame. The heavy article conveyance device according to any one of claims 1 to 4, wherein the heavy weight frame body is suspended and conveyed.   The heavy article transport device according to claim 5, wherein the weight frame is a steel frame with braces.

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