JPH0362603B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a structure for mounting a safety net on the back side of a rack used in an automated warehouse or the like.

(Prior art and its problems) As shown in FIGS. 7 and 8, a rack used in an automated warehouse, etc. has cargo receiving trusses 1 erected at appropriate intervals in the horizontal length direction of the rack; A pair of front and rear truss supports 2 that constitute this load receiving truss 1
The cargo storage space 4 is three-dimensionally divided by a pair of left and right cargo receiving stands 3a and 3b whose front and rear ends are supported by the cargo receiving trusses 1 and 2b.
are not only connected to each other by horizontal connecting members at their upper ends and at appropriate intermediate positions, but also to each other by vertical braces 5 and beams 6 at the rear of the rack. Further, a safety net 7 is stretched on the rear side of the rack so as to cover the vertical braces 5 and beams 6.

When connecting the vertical brace 5 or the beam 6 to the rear support 2b of the load receiving truss 1, conventionally, as shown in FIGS. 9 and 10, a mounting seat 9 is welded to one end of a pipe material 8 of a required length. bracket 10
The bracket 10 is welded and fixed to the pillar 2b at the free end of the pipe material 8, and the gusset plate 12 having bolt holes 11 for attaching the brace 5 and the beam 6 is stacked on the mounting seat 9. Attach the bolts and nuts 1 at both ends of the mounting seat.
It was fixed by 3.

Therefore, when tensioning the safety net 7, the gusset plate 12 and the net support member 14 attached to the outside of the gusset plate 12 are fastened together to the mounting seat 9 of the bracket 10 with the bolts and nuts 13, as shown in the figure. The net support member 1
The safety net 7 is clamped and fixed between the net support member 14 and a net holding bar 16 fixed to the net 4 by a bolt nut 15.

In such a conventional safety net mounting structure, when the safety net 7 is retrofitted on site, the bolt nuts 13 fixing the gusset plate 12 are once removed, and the gusset plate 12 and the net support member 14 are reattached using the bolt nuts 13. Furthermore, it is necessary to fix the net holding bar 16 to the net support member 14 with bolts and nuts 15, which results in a large-scale construction work at the site, which has the drawback of requiring a great deal of effort and time.

(Means for Solving the Problems) The present invention proposes a simple safety net mounting structure capable of solving the above-mentioned conventional problems. A bracket having a bracket is fixed to the rear support of the rack at the free end of the leg portion, and a gusset plate for connecting a brace or the like bolted to the mounting seat of the bracket is secured to the mounting seat of the bracket. A bolt hole is provided, and a bolt passing through the bolt hole, a spacer loosely fitted to the bolt on the outside of the gusset plate, a net holding bar, and a nut screwed onto the bolt are used to connect the spacer and the net holding bar. This is the point where the safety net sandwiched between the two is fixed.

(Embodiment) An embodiment of the present invention will be described below based on the attached FIGS. 1 to 6. Reference numeral 17 denotes a bracket, and as shown in FIG. a leg portion 18a that protrudes toward the direction and has a curved cross section;
18b are integrally connected by press molding, and the central mounting seat 19 is provided with two gusset plate mounting holes 20 and a safety net mounting hole 21 located between the two gusset plate mounting holes 20. This bracket 17
are welded and fixed to the support column 2b at the free ends of the leg portions 18a, 18b. Reference numeral 22 denotes a gusset plate having bolt holes 23 on its periphery for attaching the brace 5 and beam 6, and is attached to the attachment seat 19 of the bracket 17 via the attachment hole 20 and bolt nut 24. .
Note that 25 is a safety net attachment hole provided at the center of the gusset plate 22, which matches the safety net attachment hole 21 of the bracket 17.

The brace 5 and beam 6 are connected to the gusset plate 22 using bolt holes 23 and bolt nuts 26 as in the conventional case.

When installing the safety net 7, refer to Figures 2 and 4.
As shown in FIG. 6, the bolts 27 are inserted outward from the inside of the bracket 17 across the safety net attachment holes 21 of the bracket 17 and the safety net attachment holes 25 of the gusset plate 22, and then the bolts 27 are inserted outward from the inside of the bracket 17. The spacer 28 is loosely fitted onto the bolt 27 protruding from the bolt 22, and the safety net 7
is placed on the spacer 28, and the net holding bar 16 is placed on the outside of the safety net 7 along the beam 6, and the bracket 17 is secured by the bolt 27 and the nut 29 screwed thereon.
Fixed to.

Incidentally, one net holding bar 16 is fixed to the bracket 17 at at least two locations in the length direction as described above. Also, net press bar 1
6 and the beam 6 are fixed to each other by U bolts 30 and nuts 31 with a safety net 7 sandwiched between them. In FIG. 6, reference numeral 32 denotes a corner net presser bar, which is attached to the net presser bar 16.
It is bolted to the free end of the

(Operations and Effects of the Invention) According to the safety net mounting structure of the present invention that can be implemented as described above, when the safety net is retrofitted on site, the bolts and nuts fixing the gusset plate to the bracket can be installed without removing the bolts and nuts. A safety net can be fixed to the gusset plate and the bracket via a spacer and a net holding bar. Therefore, the work of retrofitting the safety net at the site can be carried out extremely simply and quickly.

[Brief explanation of drawings]

Figure 1 is a vertical side view of the main part showing the state before the safety net is stretched, Figure 2 is a vertical side view of the main part showing the state after the safety net is stretched, and Figure 3 is the vertical back view of the main part of Figure 2. Figure 4 is a longitudinal side view showing the fixing points between the net holding bar and the beam, Figure 5 is a perspective view of the bracket, Figure 6 is a rear view of the rack with the safety net attached, and Figure 7 is the rack. 8 is a cross-sectional plan view of the same, FIG. 9 is a vertical cross-sectional side view showing a conventional example, and FIG. 10 is a vertical cross-sectional rear view of the same. 1... cargo receiving truss, 2a, 2b... truss support, 3a, 3b... cargo receiving platform, 4... cargo storage space,
5... Vertical brace, 6... Beam, 7... Safety net, 8... Pipe material, 9, 19... Mounting seat,
10, 17... Gusset plate mounting bracket, 12, 22... Gusset plate, 14...
Net support member, 16...Net holding bar, 1
8a, 18b... Legs, 21, 25... Safety net mounting holes, 28... Spacers.

Claims (1)

[Claims] 1. A bracket having legs at both ends in the length direction is fixed to the rear column of the rack at the free ends of the legs, and a gusset plate for connecting a brace etc. bolted to the mounting seat of this bracket and the above. A bolt hole is provided across the mounting seat of the bracket, a bolt passes through the bolt hole, a spacer is loosely fitted to the bolt on the outside of the gusset plate,
A rack safety net mounting structure comprising a net holding bar and a safety net sandwiched between the spacer and the net holding bar fixed through a nut screwed onto the bolt.