JP2511104Y2 - Rack equipment with lifting platform - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a plurality of upper and lower load transfer devices supported horizontally so as to be able to travel along a rack, and a load transfer device outside the end of the rack. Of the traveling route of the lifting and lowering platform provided so as to be able to move up and down, and a counterweight interlockingly connected to the lifting platform by means of a hanging chain or the like, and the lifting platform and the load transfer device. It relates to rack equipment so that loads can be transferred between them.

(Prior Art and Problems Thereof) When constructing this kind of rack equipment, for example, Japanese Patent Laid-Open No. Hei 1
As described in JP-A-303212, an independent frame provided with an elevating guide rail is erected adjacent to the end of the rack, and the elevating guide rail in the independent frame supports the elevating platform.

In such a conventional configuration, since the independent frame including the lifting guide rails is required to have sufficient strength, there is a drawback that not only the equipment space of the lifting platform becomes large, but also the cost becomes high.

(Means for Solving the Problem) The present invention is intended to provide a rack facility with a lifting platform capable of solving the above-mentioned conventional problems, and the means thereof will be described in the embodiments described later. As indicated by reference numerals, a plurality of upper and lower load transfer devices 6A to 6D supported horizontally movable along the rack 1 and the load transfer devices 6A to 6D outside the end of the rack 1 are provided. Lifting platform 7A that can be lifted up and down on the lateral side of the travel route, and a hanging chain on the lifting platform 7A.
A counterweight 21 that is interlocked and connected via 20 or the like, and includes the lifting platform 7A and the load transfer devices 6A to 6D at the respective stages.
Rack equipment adapted to transfer loads between the rack 1 and the rack 1, wherein the rack 1 has an outer end among the columns arranged at the four corners of the load storage portion 4 located at the end of the rack 1. And a pair of columns 13 and 14 in the front-rear direction that are orthogonal to the traveling direction of the load transfer devices 6A to 6D, and are lifted / lowered by the guide rail portions 13a and 14a for the lifting platform and the lift guide rail portion 13b for the counterweight. And 14b, and the lifting / lowering guide rails are combined with the lifting / lowering guide rails 7a.
The counterweight 21 is supported in a cantilever manner so that the counterweight 21 moves up and down between a pair of front and rear lifting guide rail-supporting posts 13 and 14 so that both side portions are lift guide rail portions 13b for the counterweight.
It is configured to engage with 14b so that it can move up and down.

(Embodiment) An embodiment of the present invention will be described below with reference to the attached exemplary drawings.

In FIGS. 1 and 2, reference numerals 1 and 2 denote racks which are erected with passages 3 interposed therebetween, and each of which has a horizontal row of load storage sections 4 stacked in four upper and lower rows. Aisle 3 of these racks 1 and 2
On the side, a pair of left and right guide rails 5a and 5b are attached to each horizontal row of the load storage units 4 of each stage, and the load transfer device 6A is respectively attached to the pair of left and right guide rails 5a and 5b of each stage. ~ 6D is supported to run horizontally. 7A is a loading / unloading loading platform arranged at a lateral side position of the aisle 3 outside one end of the rack 1, and 7B is a lateral side position of the aisle 3 outside the same side end of the rack 2. It is an unloading platform for unloading. 8A is
When the lifting platform 7A is at the lower limit level, the lifting platform 7A
8B is a delivery conveyor connected to the hoisting platform 7B when the hoisting platform 7B is at the lower limit level.

The load transfer devices 6A to 6D have the same structure,
As shown in FIGS. 4 and 5, the guide rails 5a, 5
A traveling carriage 10 supported by b to be able to travel via wheels 9.
And a lifting platform 11 supported only on the traveling carriage 10 so that it can be lifted and lowered, and a load transfer running fork 12 provided on the lifting platform 11 so as to be able to move in and out in the lateral direction.

As shown in FIG. 3 to FIG. 5, of the four rack support columns standing upright at the four corners of the load storage section 4 located at the ends of the racks 1 and 2 on the side where the lifting platforms 7A and B are located. Inside, a pair of columns located in the outer end of the rack and in the front-rear direction orthogonal to the traveling direction of the load transfer device, that is, at the end of the racks 1 and 2 on the side where the lifting platforms 7A and 7B are located. Of the pair of left and right load receiving plates 4a, 4b provided in the load storing portion 4 located, only the pair of front and rear columns 13, 14 supporting the load receiving plate 4a on the side where the lifting platform 7A, 7B is located is H-shaped steel. It is a pillar that is also used as a lifting guide rail.

Then, the elevating guide rail combined use posts 13 and 14 are
The outward edge part is the lifting guide rail part 13 for the lifting platform.
Grooves forming a and 14b, and facing each other on the inner side, form counterweight lifting guide rails 13b and 14b.

A pair of front and rear elevating guide rail-supporting posts 13 and 14 are lifted up and down at two left and right positions (a total of four positions) on the rear surface of the upper and lower ends of the vertical wall portion 15 which is continuously provided at one end of the elevating and lowering platforms 7A and 7B. A pair of lifting guide rollers 16a, 16b sandwiching the lifting guide rail portions 13a, 14a for the loading platform are attached via a bracket 17, respectively, so that the lifting loading platforms 7A, 7B form a pair of front and rear lifting guide rail-supporting posts 13,14. Is used as a guide rail to move up and down. Further, a lifting drive toothed wheel 19 linked to a motor 18 is pivotally supported on the upper side of the end of the rack 1 or 2 on the side where the pair of front and rear guide rails / posts 13 and 14 are provided. One end of the hanging chain 20 hung over the 19 is locked to the upper end of the vertical wall portion 15 of the hoisting and loading platform 7A, 7B, and left and right sides of the counterweight 21 hung at the other end of the hanging chain 20. A pair of front and rear sides of the lifting guide rail / posts 13 and 14 is fitted to the counterweight lifting guide rail portions 13b and 14b so that the counterweight 21 can move up and down. 13 and 14 are used as guide rails to move up and down.

Therefore, the motor 18 can drive the lifting drive tooth wheel 19 to rotate, and the lifting load platform 7A or 7B can be lifted and lowered along the rack columns 13 and 14 via the hanging chain 20. At this time, the counterweight 21 is moved up and down by the lifting platform 7A.
Alternatively, it goes up and down between the rack columns 13 and 14 in the opposite direction to 7B.

The elevator platforms 7A and 7B are provided with a roller conveyor 23 having a forking recess 22 into which the load transfer running forks 12 of the load transfer devices 6A to 6B are freely movably fitted.

In the rack facility capable of automatic loading and unloading configured as described above, the load W to be loaded is transferred from the loading conveyor 8A onto the roller conveyor 23 of the lifting load platform 7A waiting at the lower limit level. Then, the load W is lifted up to the level of the storage target load storage section 4 of the rack 1 or 2 by the lifting / lowering platform 7A. On the other hand, each of the load transfer devices 6A to 6D has a first
Standing by the home position HP shown by the virtual line in the figure,
If the lifting platform 7A stops at a predetermined level, the running forks of the load transfer devices 6A to 6D waiting at that level
By 12, the load W on the lifting platform 7A is taken into the load transfer devices 6A to 6D. At this time, the loading fork including the advancing movement of the running fork 12 with the lifting platform 11 at the lower limit level, the upward movement of the lifting platform 11 from the lower limit level to the upper limit level, and the backward movement of the running fork 12 is performed. King action is performed.

The load W taken on the load transfer devices 6A to 6D is set to a predetermined load on the rack 1 or 2 by causing the traveling carriage 10 of the load transfer devices 6A to 6D to travel along the guide rails 5a and 5b. It is transported to a position corresponding to the storage section 4. If the load transfer devices 6A to 6D stop at the predetermined positions, the load transfer devices 6A to 6D
The load W on 6D is loaded by the loading transfer fork 12.
The rack 1 or 2 is transferred and stored in a predetermined load storage unit 4. At this time, when the platform 11 is at the ascending level, the running fork 12 moves forward to the rack 1 or 2 side, the platform 11 descends from the ascending level to the descending level, and the running fork 12 retracts. A forking operation for cargo transfer is performed, and the cargo W is supported by the pair of left and right cargo receiving plates 4a, 4b in the cargo storage unit 4 on both left and right sides of the bottom portion.

The load W stored in the load storage unit 4 on the rack 1 or 2
When unloading, the load transfer devices 6A to 6D and the loading / unloading platform 7B are operated in the reverse order of the above-mentioned loading work, and the load transfer devices 6A to 6D are moved to the loading / unloading platform 7B. Loaded W
Can be lowered to the level of the delivery conveyor 8B by lowering the elevator loading platform 7B, and the load W can be sent from the elevator loading platform 7B onto the delivery conveyor 8B.

As the load transfer means on the load transfer devices 6A to 6D, the elevating table 11 and the running fork 12 are provided, but it is also possible to provide a conveyor or the like that does not move up and down during load transfer as the load transfer means. it can. In this case, the load storage section 4 and the lifting / lowering platforms 7A, 7B on the racks 1 and 2 side are provided with conveyors connected to the conveyors on the load transfer devices 6A to 6D. In addition, other transportation means (e.g., conveyor 8A,
Transfer of cargo to 8B) may be done by any means.

(Operation and effect of the invention) As described above, according to the rack equipment with the lifting / lowering platform of the present invention, the lifting / lowering guide of the lifting / lowering platform disposed on the lateral side of the traveling path of the load transfer device outside the rack end. Since the pair of front and rear rack posts at the end of the rack also serve as the lifting guide for the counterweight that moves up and down in conjunction with the lifting platform, the lifting platform and the lifting guide rails for the counterweight are not required, and the number of parts is reduced. It can be reduced, and the cost can be greatly reduced. Moreover, since the rack itself serves as a frame that supports the lifting platform and the lifting guide rails of the counterweight, not only the problem of strength is solved, but also the floor space occupied by the entire rack facility including the lifting platform is reduced. It is possible to improve the utilization efficiency of the floor surface.

Of course, as mentioned above, the pillar that also serves as the lifting guide rail,
Since it has an elevating guide rail section for an elevating platform and an elevating guide rail section for a counterweight, it is significantly thicker than a column used for a normal rack. A pair of front and rear directions, which are located at the outer ends of the rack and are orthogonal to the traveling direction of the load transfer device, among the columns arranged at the four corners of the load storage section located at the end of the rack. Since only the columns are used, the pitch of the load storage portion of the rack in the traveling direction of the load transfer device does not change, and the travel control of the load transfer device is not affected.

[Brief description of drawings]

1 is a schematic plan view of the whole, FIG. 2 is a longitudinal side view of the same, FIG. 3 is an enlarged side view of an essential part of FIG. 2, FIG. 4 is an enlarged side view of an essential part of FIG. 3, and FIG. FIG. 4 is a cross-sectional plan view of FIG. 1,2 ... Rack, 4 ... Load storage section, 5a, 5b ... Load transfer device guide rails, 6A to 6D ... Load transfer device, 7A ... Ingoing loading / unloading platform, 7B ... Outgoing loading platform, 8A ... Conveyor for warehousing, 8B… Conveyor for unloading, 10… Traveling vehicle, 11… Elevating platform, 12… Running fork for loading, 13,14… Rack columns (H-shaped steel), 16a, 16b… Elevating guide rollers, 18… Motor, 1
9… Lifting drive wheel, 20… Suspended chain, 21… Counterweight, 22… Forking recess, 23… Roller conveyor.

Continuation of the front page (56) Reference JP-A-1-303212 (JP, A) JP-A-51-31470 (JP, A) JP-A-63-310500 (JP, A) Actual development Shou 61-185706 (JP , U) Actual Kaihei 1-169509 (JP, U)

Claims (1)

(57) [Scope of utility model registration request] 1. A plurality of upper and lower load transfer devices supported horizontally so as to be able to travel horizontally along a rack, and provided so as to be vertically movable to a lateral side position of a travel path of the load transfer device outside the end portion of the rack. And a counterweight interlockingly connected to the lifting platform via a hanging chain or the like, so that a load can be transferred between the lifting platform and the load transfer device of each stage. The rack equipment, which is located at the outer end of the rack among the columns arranged at the four corners of the load storage section located at the end of the rack, and is orthogonal to the traveling direction of the load transfer device. Only a pair of columns in the front-rear direction is used as a lifting guide rail-supporting column having a lifting guide rail lifting / lowering guide rail section and a counterweight lifting guide rail section, and the lifting / lowering platform is a pair of front and rear lifting / lowering guide rail-supporting pillars. Lift for loading platform The counterweight is supported in a cantilever manner so that it can be lifted and lowered, and the counterweight is lifted up and down between the pair of front and rear lifting guide rail-cum-posts so that both sides can be lifted up and down by the counterweight lifting guide rail. Rack equipment with lifting platform engaged.