JP2603536B2 - Frame shelf structure - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the structure of a shelf installed in a factory, for example, for loading and unloading a load with a forklift or the like, and a shelf in an automated warehouse, particularly a load supporting portion.

2. Description of the Related Art Forklift trucks and shelves to which loads are loaded and unloaded by automated loading and unloading equipment in automated warehouses are fixed, for example, as shown in FIG. The left and right columns 51 are connected by a horizontal beam member 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 by welding to the side surface of the rectangular column 51 in the manufacturing plant, and the arm rail 56 is also attached to the tip of the arm 55 by welding and shipped. It was formed to be able to be bolted to the side surface of the support column 51, and was assembled at the installation site.

SUMMARY OF THE INVENTION Problems to be Solved by the Invention As described above, a shelf member assembled in a manufacturing plant has a large occupied volume, and there is a possibility that transportation costs may be increased. In addition, the bolted shelf has the disadvantages that it takes time to assemble at the installation site and the number of parts increases.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems and to provide a structure of a frame shelf which can connect a support and a brace with high strength at a low cost and in a short time for assembling.

Means for Solving the Problems In order to solve the above-mentioned problems, the present invention is to provide a support at least at four corners, protrude the arm bar toward the left and right support at the opposing position of the left and right support, respectively, between the front and rear arm On the frame shelf where the arm rails that can support the load are arranged,
The strut is formed in a shape having at least an outer plate portion and left and right side plates, and a plurality of engagement holes are formed in the outer plate portion at predetermined intervals in the up-down direction. A connecting member having a side plate portion and a front plate portion which can be respectively applied to the plate portion, and a brace member having a front plate connected to the front plate portion, wherein the engagement with the end portion of the front plate portion is performed. In each of the holes, an engaging projection that can be inserted is formed, and a locking claw is vertically provided below the engaging projection to form an L-shaped reinforcing projection continuous with the front plate and the front plate. Things.

After inserting the engaging projection of the connecting member into the engaging hole from the front of the support, the connecting member is pressed down to lock the locking claw at the lower part of the engaging hole, thereby easily and firmly attaching the arm to the support. Each component can be transported to the installation site and assembled easily. Further, since an L-shaped reinforcing projection is formed over the front plate portion of the connecting member and the front plate of the arm member, the front plate portion can withstand a large load without being distorted even when a large load is applied to the arm member. Can be.

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

As shown in FIG. 5, the shelf 1 is provided with uprights 2 at predetermined intervals in front, rear, left and right. A horizontal member 3 is connected between the upper and lower ends of the front and rear columns 2, and a plurality of diagonal members 4 are connected to each other, so that the front and rear columns 2 are connected and fixed to each other. The left and right columns 2 have lateral beams 5 that are continuous in the lateral direction connected to predetermined positions on the front and back surfaces of the shelf 1 via bolts. 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 right and left columns 2. The arm 6 is composed of a connecting member 7 attached to the support 2 and an arm 8, and an arm rail 9 supporting the bottom of the load 11 is connected between the front ends of the arm 8 of the front and rear supports 2. Also,
A diagonal reinforcing wire 10 is connected in a diagonal direction between the intersections of the columns 2 and the lateral beams 5. Further, a seating member 12 is attached to the lower end of the column 2.

As shown in FIGS. 1 to 3, the support 2 has an outer plate 21, an inner plate 22, and left and right side plates 23 facing each other. Are formed in a cross-sectional C shape. And slit 24
A reinforcing groove 25 is formed in the outer plate portion 21 at the opposing position in the longitudinal direction,
Further, the inner plate 22 has a pair of left and right connecting plate portions 26 which are bent outward from the edge of the slit 24 by 90 ° and project therefrom.
Are formed facing 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 or the like. The reinforcing groove 25 has a depth D and includes a bottom plate 25a and both side plates 25b, 25b.
The corner portion with 5b and the corner portion between side plate 25b and outer plate portion 21 are bent at right angles. A pair of upper and lower engagement holes 27A and 27B are formed at predetermined positions in the bottom plate 25a of the reinforcing groove 25 at predetermined intervals over the entire width of the bottom plate 25a. A retaining hole 28 is formed at the center of the side plate portion 23 corresponding to the lower engaging hole 27B.

The connecting member 7 of the arm 6 and the arm member 8 are integrally formed in an L-shape by press working or the like. That is, the connecting member 7 has a front plate 31 that can be abutted against the outer plate 21 on one side of the column 2, and a side plate that is bent 90 ° from the front plate 31 and can be abutted against the side plate 23 of the column 2. A portion 32 and a locking plate portion 33 that is bent at a right angle to the support column 2 at the edge of the front plate portion 31 and whose inner surface is applied to the side plate 25b of the reinforcing groove 25. The upper and lower ends of the locking plate 33 are integrally formed by press working or the like to form the engaging holes.
Engagement projections 34A, 34B which can be inserted into the projections 27A, 27B are formed at the lower ends of the engagement projections 34A, 34B. , 35B are erected. The brace member 8 includes a front plate 36 that is continuous from the lower end of the front plate 31 of the connecting member 7 and a top plate 38 that connects the side plate 32 of the connecting member 7 via a curved portion 37, A lower plate 39 bent 90 ° rearward along the lower end of 36 forms a channel shape in cross section. An end plate 40 having a connection hole 40a is provided on the distal end surface, and a base end of a lower plate 39 which abuts on the side plate portion 23 of the support column 2 during assembly can be engaged with the retaining hole 28. A retaining projection 41 is formed to protrude. Further, an L-shaped reinforcing projection 45 in a front view is formed by press working over the front plate portion 31 of the connecting member 7 and the front plate 36 of the arm member 8. When a large load W is applied to the distal end portion of the arm member 8 as shown in FIG. 2, the reinforcing convex portion 45 causes the front plate portion 31 to be distorted 46 as shown in FIGS. 4 (a) and 4 (b). Is prevented. Therefore, the engaging projections 34A and 34B are inserted into the engaging holes 27A and 27B from the solid line positions shown in FIG.
The retaining protrusion 41 is in contact with the side plate portion 23 above the retaining hole 28 due to the elastic deformation of. Then, by pulling down the arm 6 downward, the locking claws 35A, 35B of the engagement projections 34A, 34B are formed.
Are locked on the back surface of the bottom plate 25a below the engagement holes 27A and 27B, respectively, and the retaining projections 41 are fitted into the retaining holes 28. Thereby, the arm bar 6 can be easily and firmly fixed to the column 6.

The brace rail 9 has a channel shape having a longitudinal groove 43 formed in the center of the connecting surface 42, and has a brace member 8 in a recess.
Rivets or bolts or the like are inserted into the connection holes 44 formed in the groove bottom plate 43a and the connection holes 40a of the end plate 40 to be connected and fixed.

According to the above configuration, as shown in FIG. 2, the load W applied to the distal end of the arm 6 by the load 11 via the arm rail 9 forms a rotational moment M about the point P of the base end of the arm member 8. Then, the upper part of the connecting member 7 is urged in the direction of arrow M. However, the connecting member 7 uses the side plate 32, the locking plate 33, and the engagement protrusions 34A and 34B to utilize the depth D of the reinforcing groove 25 to form the outer plate 31 of the column 2 and the side plate 32. And the protruding portion formed by the side plate 25b of the groove 25, the moment M can be reliably supported, and a large load W can be endured.
Moreover, since the reinforcing projections 45 are formed over the front plate 31 and the front plate 36, distortion of the front plate 31 due to the load W can be prevented. Further, since the retaining projection 41 is fitted into the retaining hole 28 at the mounting position, the arm 6 does not come off from the support column 2 even if the vibration due to the loading / unloading of the load 11 is transmitted to the arm 6.

FIG. 6 shows another embodiment, in which the reinforcing groove 25 of the support 2 is used.
And the engagement holes 27A and 27B are provided in the center of the outer plate portion 21. Therefore, the locking plate portion 33 of the connecting member 7 is eliminated, and the engagement protrusions 34A and 34B are formed by being directly bent from the front plate portion 31. In this case, the effect of the reinforcing projections 45 is remarkably exhibited by the extent that the front plate portion 31 is not reinforced by the locking plate portion 33, so that distortion of the front plate portion 31 can be prevented.

Effect of the Invention As described above, according to the present invention, a plurality of locking claws are inserted into the engagement holes, and the front plate and the side plate are brought into contact with the front plate and the side plate of the column to be pulled down and locked. The tip of the claw is brought into contact with the back surface of the outer plate part and locked, and the arm rail is connected between the front and rear arm members, whereby the arm rail can be easily and reliably attached to the support at the installation site. Accordingly, the shelves can be transported in parts, and the transportation cost can be reduced, and the welding operation can be omitted. Further, since the front plate portion and the side plate portion of the connecting member are integrally formed so as to be continuous with the front plate and the top plate of the arm member, respectively, they can be easily formed by pressing or the like, and parts can be manufactured at low cost. Further, since the L-shaped reinforcing projection is formed over the front plate and the front plate, the front plate can be prevented from being distorted even when a large load is applied to the arm rail.

[Brief description of the drawings]

1 to 5 show an embodiment of the present invention. FIG. 1 is an exploded perspective view showing a support post and a brace, FIG. 2 is a front view thereof, FIG. 3 is a plan view thereof, and FIG. a) and (b) are a front view and a side sectional view for explaining distortion when a load is applied, FIG. 5 is a perspective view showing a frame shelf, FIG. 6 is an exploded perspective view showing a column and a brace of another embodiment, FIG. 7 is a perspective view showing a conventional frame shelf. 1 ... shelf, 2 ... support, 6 ... arm, 7 ... connecting member,
8 ... arm members, 9 ... arm rails, 11 ... load, 21 ...
Outer plate part, 23 ... side plate part, 27A, 27B ... engagement hole, 31 ... front plate part, 32 ... side plate part, 33 ... locking plate part, 34A, 34B ...
... engagement projections, 35A, 35B ... locking pawls, 45 ... reinforcement projections.

Claims (1)

(57) [Claims] 1. A frame shelf in which supporting columns are erected at least at four corners, arms are protruded toward left and right columns at opposing positions of right and left columns, and arming rails capable of supporting a load between the front and rear arms are arranged. The strut is formed in a shape of a mold having at least an outer plate portion and left and right side plates, a plurality of engagement holes are formed in the outer plate portion at predetermined intervals in the up-down direction, and the crosspiece is provided with a side plate portion of the strut and A connecting member having a side plate portion and a front plate portion that can be respectively applied to the outer plate portion, and a brace member having a front plate continuous to the front plate portion,
At the end of the front plate portion, engaging projections are formed, which can be inserted into the engaging holes, respectively, and locking claws are vertically provided below these engaging projections, so that the engaging projections are continuous over the front plate portion and the front plate. A framed shelf structure, wherein an L-shaped reinforcing projection is formed.