JP2580271B2 - Frame shelf - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shelf installed in a factory, for example, for loading and unloading cargo with a forklift truck, and a framework shelf in an automated warehouse.

2. Description of the Related Art Forklift trucks and shelves from which loading and unloading are performed by an unloading device in an automated warehouse are fixed, for example, as shown in FIG. 5, by connecting front and rear struts 51 with diagonal members 52 and vertical beam members 53. The right and left columns 51 are connected to each other by horizontal beams 54 and assembled. Arms 55 protrude from the left and right columns 51 at opposing positions, and arm rails 56 for supporting loads 57 are attached between the front and rear arms 55.

In this shelf, the arm 55 is fixed to the side surface of the rectangular column 51 by welding in the manufacturing factory, and the arm 56 is also attached to the tip of the arm 55 by welding to assemble the shelf.
Had been transported to the installation site by truck.

Problems to be Solved by the Invention The shelf assembled as described above has a problem in that the volume is large, and especially in the case of transportation in a remote place, the transportation cost becomes large. In addition, the welding work in the manufacturing factory deteriorates the working environment such as air pollution, light and sound.

An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide a frame shelf that can be transported to a part-unit installation site and can be easily assembled at the site, and furthermore, the work environment can be improved with very little welding work. I do.

Means for Solving the Problems In order to solve the above problems, the frame shelf of the present invention has upright columns at least at four corners, and connects the front and rear columns with the front and rear connection members via the connection tool, and The struts are connected by a connecting member by a lateral connecting member, and arms are protruded toward the left and right struts at positions opposed to the left and right struts, and the struts are formed into a straight shape having an outer plate portion and left and right side plate portions. Forming
An engaging hole is formed in the outer plate portion of the support, and the arm member is connected to the connecting member having a front plate portion and a side plate portion that can be applied to the outer plate portion and the side plate portion of the support, respectively, A front plate and a top plate that is continuous from the side plate portion, and a cross-piece member integrally formed with the connection member, and is freely insertable into the engagement hole on the inner surface of the front plate portion of the connection member;
And, when the front end portion is bent in the opposite direction to the side plate portion and the front plate portion and the side plate portion are applied to the support, the engaging claw is provided so that the front end portion can contact the inner surface of the outer plate portion. In a state in which the ends of the arms are turned to the side approaching each other around the abutting portion of the connecting member and the support, and the engaging claws are brought into contact with the inner surface of the outer plate portion to prevent rotation. ,
The arm rail is connected between the front and rear arms.

In the above-described configuration, the locking claws of the connecting member are inserted into the engaging holes of the front and rear pillars that are erected from the front side or the rear side, and the arm is rotated in the horizontal plane in a direction in which the tip approaches, and the connecting member is rotated. The front plate and side plate are applied to the outer plate and side plate of the column, and the locking claws are brought into contact with the inner surface of the outer plate to prevent rotation. Thereby, the locking claw is strongly pressed against the inner surface of the outer plate portion by utilizing the "leverage principle" using the elasticity of the arm tree and the contact portion as a fulcrum. Therefore, even if there is a manufacturing error, there is no backlash at the connecting portion between the support, the crosspiece and the crosspiece rail, and the crosspiece and the crosspiece rail can be firmly fixed to the support. Further, since the arm member is formed integrally with the connecting member and the arm member, the arm member can be easily formed at a low cost by a press or the like, and the elasticity for pressing the locking member can be easily obtained. In addition, the frame shelf can be easily assembled by transporting each component to the installation site, and welding work is not required.

Embodiment An embodiment of the present invention will be described below with reference to FIGS.

As shown in FIG. 4, the shelf 1 is provided with uprights 2 at predetermined intervals in front, rear, left and right. Between the front and rear struts 2, a horizontal member (front and rear connection member) 3 is connected between an upper end and a lower end, and a plurality of diagonal members (front and rear connection members) 4 are connected, and the front and rear struts 2 are connected to each other. Fixed. The left and right columns 2 have lateral beams (lateral connecting members) 5 continuous in the horizontal direction connected to predetermined positions on the front and rear surfaces of the shelf 1 via bolts (connecting tools). Arms 6 protruding in the horizontal direction toward the left and right columns 2 are detachably attached to the respective columns 2 at positions facing the left and right columns 2. The arm 6 has a connecting member 7 attached to the support 2 and an arm 8, and an arm rail 9 for supporting the bottom of the load 11 is connected between the front ends of the arms 8 of the front and rear supports 2. A diagonal reinforcing wire 10 is connected diagonally between the intersections of the columns 2 and the horizontal beams 5. Further, a seating member 12 is attached to the lower end of the column 2.

As shown in FIG. 2, the support 2 has an outer plate 21 and an inner plate 22 and left and right side plates 23 facing each other.
22 is formed in a C-shaped cross section in which a slit 24 is formed in the center in the longitudinal direction. A reinforcing recess 25 extending in the longitudinal direction is formed in the outer plate portion 21 at a position facing the slit 24, and a pair of left and right connecting plate portions 26 that are bent outward from the end edge of the slit 24 by 90 ° and protrude are formed in the inner plate 22. The slits 24 are formed to face each other. The ends of the diagonal member 3 and the horizontal member 4 are inserted between the connecting plate portions 26 and connected and fixed by rivets (connecting tools) 27 or the like.

As shown in FIGS. 1 to 3, the outer plate portion of each of the columns 2
A pair of upper and lower slit-shaped engagement holes 31A, 31B are formed at predetermined positions in the vicinity of the reinforcing recess 25 of the 21 at a predetermined interval. The connecting member 7 of the arm 6 and the arm member 8 are integrally formed by press working or the like. That is, the connecting member 7 has a front plate 32 which can be abutted against the outer plate 21 on one side of the support 2 and a side plate which can be bent 90 ° from the front plate 32 and can be applied to the side plate 23 of the support 2. A rear edge of the side plate portion 33 is bent toward the inner plate portion 22 of the column 2, and has an engagement edge portion 34 that engages with a corner between the side plate portion 23 and the inner plate portion 22. Further, engaging claws 35A and 35B are formed at upper and lower sides of the front plate portion 32 at the upper and lower ends thereof so that the engaging claws 35A and 35B can be freely inserted into the engaging holes 32. No locking 35a is reinforced concave
It is bent 90 ° to the 25 side so that when the front plate portion 32 is applied to the outer plate portion 21 of the column 2 as shown in FIG. Be composed.
The crosspiece 8 includes a front plate 36 that is continuous in the same plane from the front plate 32 of the connecting member 7, a top plate 38 that connects from the side plate 33 of the connecting member 7 via the curved surface 37, An end plate 40 having a channel shape in cross section is formed by a bottom plate 39 obtained by bending 36 at 90 °, and a connection hole 40a is provided at a front end surface. Therefore, the arm 6 is moved from the position of the imaginary line shown in FIG.
After the A and 35B are inserted into the engagement holes 31A and 31B, the arm 6 is rotated in the direction of arrow A to bring the front plate 32 and the side plate 33 into contact with the outer plate 21 and the side plate 23 of the column 2, respectively. At the same time, the locking claws 35A and 35B are brought into contact with the inner surface of the bottom 25a of the reinforcing recess 25 to prevent rotation, and the arm rail 9 is attached between the distal ends of the arm 6 while the arm is urged to rotate in the direction of arrow A. Can be Therefore, using the "leverage principle" with the abutment of the arm 6 as a fulcrum and the elasticity of the arm 6, the locking 35A, 35B can
5a is strongly pressed against the inner surface, whereby the arm 6 is firmly fixed to the support 2 without play.

The arm crossing rail 9 has a substantially channel shape having a reinforcing groove 41, is fitted to the tip of the arm crossing member 8, and has connection holes 40a,
A rivet (connecting tool) 42 is inserted into 41a and fixed.

Advantageous Effects of the Invention As described above, according to the present invention, the locking claws of the connecting member are inserted into the engaging holes of the front and rear pillars that are erected from the front side or the rear side, and the leading ends of the arms are approached in a horizontal plane. The front plate and the side plate of the connecting member against the outer plate and the side plate of the column, and the locking claw is brought into contact with the inner surface of the outer plate to stop the rotation. By connecting the arm rail between the arms, the locking claw is strongly pressed against the inner surface of the outer plate part by utilizing the elasticity of the arm and the "leverage principle" with the abutting portion as a fulcrum. Therefore, even if there is a manufacturing error, there is no backlash at the connecting portion between the support, the crosspiece and the crosspiece rail, and the crosspiece and the crosspiece rail can be firmly fixed to the support. Further, since the arm member is formed integrally with the connecting member and the arm member, the arm member can be easily formed at a low cost by a press or the like, and the elasticity for pressing the locking member can be easily obtained. In addition, the frame shelf can be easily assembled by transporting each component to the installation site, and welding work is not required. Accordingly, the shelves can be transported in parts, and the transportation cost can be reduced, and the welding operation can be omitted.

[Brief description of the drawings]

1 to 4 show an embodiment of the present invention. FIG. 1 is an exploded perspective view showing a crosspiece, FIG. 2 is a sectional plan view of the same, FIG. 3 is a front view of the same, and FIG. FIG. 5 is a perspective view showing a shelf, and FIG. 5 is a perspective view showing a conventional frame shelf. 1 ... shelf, 2 ... support, 6 ... arm, 7 ... connecting member,
8 ... arm member, 9 ... arm rail, 21 ... outer plate part, 23
… Side plate part, 31A, 31B… engagement hole, 32… front plate part, 33
…… side plate, 35A, 35B… engagement pawl, 36 …… front plate, 38…
…Top board.

Claims (1)

(57) [Claims] The present invention is characterized in that at least four pillars are erected at the four corners, and the front and rear pillars are connected by a front and rear connecting member via a connecting member, and the left and right columns are connected by a horizontal connecting member via a connecting member. Arms protrude toward the left and right supports at the opposing positions of the support, the support is formed in a straight shape having an outer plate portion and left and right side plate portions, and an engagement hole is formed in the outer plate portion of the support, A connecting member having a front plate portion and a side plate portion which can be freely applied to the outer plate portion and the side plate portion of the support, and a top plate continuous from the side plate portion and the front plate which is continuous from the side plate portion; A connecting member and a brace member integrally formed with the connecting member, the connecting member is insertable into the engaging hole on the inner surface of the front plate portion, and the tip portion is bent in a direction opposite to the side plate portion. When the front panel and side panel are applied to the support, Is provided with an engagement claw that can be brought into contact with the inner surface of the outer plate portion, and pivots the arms attached to the front and rear struts toward the side where the tips of the arms are approaching each other around the contact portion between the connecting member and the strut. A frame shelf, wherein the arm claws are connected between the front and rear arms in a state in which the engaging claws are in contact with the inner surface of the outer plate portion and are prevented from rotating.