JP2935018B2 - Warehouse shelf equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a warehouse shelf apparatus provided with a shelf structure moved by an overhead crane.

[0002]

2. Description of the Related Art Warehouses for storing heavy objects are generally provided with overhead cranes for loading and unloading cargo, etc., but in such warehouses, the entire floor surface is used. If you plan to store cargo, etc., provide a shelf structure for storing cargo, etc. in multiple levels so that lifting of cargo, etc., stored on the floor surface will not be difficult. Usually not.

[0003]

In the conventional warehouse described above, when the height of the cargo to be stored is low, a large unused space remains above the warehouse, and the storage efficiency is reduced. There is a problem of being damaged. SUMMARY OF THE INVENTION An object of the present invention is to provide a warehouse shelf apparatus capable of rationally dealing with such a problem without making lifting and transporting by an overhead crane troublesome.

[0004]

In order to achieve the above object, according to the present invention, a pair of guide tracks are provided in a fixed direction on a floor of a warehouse provided with an overhead crane, and each of the pair of guide tracks is provided. A forward pulling wire for pulling the shelf structure forward and backward so as to movably support each leg forming the lower left and right side edge of the shelf structure through the rolling means; A pulling wire for pulling in the backward direction is provided, and these wires are guided to a pulling operation portion provided outside the range of movement of the shelf surface portion of the shelf structure through appropriate wire guiding means. When any of these wires is pulled upward by the overhead crane in the section, the shelf structure is moved in any of the front and rear directions corresponding to the pulled wire.

According to the present invention, the shelf structure can be moved by the overhead crane of the warehouse without requiring any special driving device. In addition, the movement of the shelf structure means that cargo or the like is suspended and carried into the floor structure under the shelf structure or the ceiling structure of the shelf structure at any place on the upper surface of the shelf surface portion. This makes it possible to carry the cargo and the like in any of the above-mentioned places by using a ceiling crane and carry it out.

The rolling means may be simple wheels, but if it can withstand a large load, a number of rollers are arranged side by side in the longitudinal direction of the outer peripheral surface of the endless guide track, and these rollers are appropriately linked to each other. Endlessly connected by means.

[0007] Further, a pulling operation part is provided near the end of the guide track, and a front pulling wire and a rear pulling wire are provided.
The guide track is formed in a groove-shaped cross section and guided to the pulling operation section through the groove. In this case, the wires are installed without requiring a large space, and various operations in the warehouse can be easily performed.

Further, a groove-shaped accommodation portion for separately accommodating each of the pulling wire and the pulling wire pulled out by the overhead crane in the pulling operation portion is provided along the vicinity of the guide track. In this way, the wires pulled out by the overhead crane are arranged compactly,
The entanglement between the wires and the entanglement with other places are prevented.

[0009]

FIG. 1 is a perspective view showing a warehouse provided with a shelf device according to an embodiment of the present invention, FIG. 2 is a plan view of the shelf device, and FIG. 3 shows a part of the shelf device. FIG.

In FIG. 1 and FIG. 2, reference numeral 1 denotes a warehouse provided with an overhead crane 2;
Are a pair of guide tracks laid in the front-back direction f1 on the floor surface 4 of FIG. At this time, each of the guide tracks 3a and 3b has a groove shape in cross section, and determines a laying direction, a length and a width of the guide track 3a and 3b in consideration of a use form in the warehouse 1 and an approach route of a transport truck.

Reference numeral 5 denotes a shelf structure supported by the guide tracks 3a, 3b. The shelf 5a, four columns 5b supporting the left and right side edges thereof, and legs 5c connecting the lower ends of these columns 5b. , 5c. At this time, the length of the shelf surface portion 5a in the front-rear direction is less than half of the total length of the pair of guide tracks 5a, 5b, and the bar members 6 are erected around the upper surface, and the fall prevention cables 7 are engaged with the bar members 6. I assume that I wore it.

A rolling means 8 is provided on the lower surface of each leg 5c, which is located immediately below each support 5b. Each of the legs 5 is connected to the corresponding guide track 3a or 3g via the rolling means 8. 3b movably supports it.

At this time, as shown in FIG. 3, a large number of rollers 9 are arranged in parallel in the longitudinal direction of the outer peripheral surface of the endless elliptical guide track 10 so that each rolling means 8 can withstand a large load. The rollers 9 are connected by chain means such as a chain.

The shelf structure 5 is driven to run on the guide tracks 3a and 3b in the front-rear direction f1, and therefore, the following driving means 11 is provided. That is,
Forward pulling wires 12a and 12b for pulling the shelf structure 5 in the forward direction a extend forward from the front ends of the legs 5c and 5c through the grooves m of the guide tracks 3a and 3b. Back-drawing wire 1 for pulling body 5 backward
3a, 13b are extended rearward from the rear end of each leg 5c, 5c through the groove m of each guide track 3a, 3b.

Two of these wires 12a,
13a is a wire guide wheel 1 rotatable at a specific position.
4 and guided by wire guide tube 15 fixed at a specific position and through the ground to each of pulling operation sections 16a and 16b provided near the ends of guide tracks 3a and 3b. The two wires 12b and 13b are guided to the pulling operation sections 16a and 16b via a wire guide wheel 17 rotatable at a specific position. At this time, the respective pulling operation sections 16a and 16b are located outside the moving range of the shelf surface section 5a.

Each of the two wires 12a and 12b or 13a and 13b guided to each of the pulling operation sections 16a and 16b
Is a pulley 1 that can be lifted by an overhead crane 2
8 are guided by each of the independently rotatable guide wheels, and each end is fixed to the floor 4 and the same place.

Further, a groove-shaped housing for accommodating two wires 12a and 12b or 13a and 13b for pulling forward and backward, respectively, pulled out by lifting the pulley 18 by the overhead crane 2 separately. Part 19a, 1
9b is provided along the vicinity of the guide tracks 3a, 3b. At this time, at the outer end of each of the groove-shaped receiving portions 19a and 19b, a bent-shaped receiving portion s is formed along the corresponding pulling operation portions 16a and 16b. The wires 12a and 12b or 13a and 13b and one pulley 18 for guiding these two wires can be stored more conveniently.

Next, a description will be given of an example of use of the apparatus of the present invention configured as described above and its operation. When the shelf structure 5 is to be moved in the forward direction A, the suspension hook of the overhead crane 2 is positioned directly above the pulling operation section 16a, and the corresponding pulley 18 is hung on this hook, and the overhead crane 2 is lifted. Lift by operating operation. As a result, the two wires 12a and 12b for pulling are connected to the pulling operation section 16 via the pulley 18.
a, these wires 12a, 12b
Is to pull the shelf structure 5 and move it forward.

On the other hand, when the shelf structure 5 is to be moved backward b, the overhead crane 2 is placed just above the other pulling operation section 16b.
And the corresponding pulley 18 is hung on the hook and lifted by the lifting operation of the overhead crane 2 as before. As a result, the two wires 13a, 13b for pulling back are drawn to the pulling operation section 16b via the pulley 18, and thus these wires 13a, 13b
13b is to pull and move the shelf structure 5 in the backward direction b.

When the pulley 18 corresponding to each of the pulling operation sections 16a and 16b is pulled up, the wires 12a and 12b or 13a and 13b become longer near the pulling operation sections 16a and 16b. The wire thus drawn is held by its pulley 18 and pulled along the corresponding groove-shaped receiving portions 19a, 19b so as to be drawn inward.

The wire 12 inserted as described above
a and 12b or 13a and 13b do not exist widely on the floor 4 so that various operations on the floor 4 can be performed efficiently. It prevents entanglement and the entanglement of these wires elsewhere.

Cargo to be stored on the floor 4 located below the shelf 5a of the shelf structure 5 is suspended by the overhead crane 2 or conversely stored on the floor 4 located below the shelf 5a. When the lifted cargo is lifted and carried out by the overhead crane 2, the shelf structure 5 is moved in any of the front and rear directions by the above-described procedure, so that the shelf surface portion 5 a does not exist above the place where the cargo is to be lifted in or lifted out. State.

At this time, the length of the shelf surface portion 5a in the front-rear direction is less than half of the length of the pair of guide tracks 3a, 3b.
The movement of the shelf structure 5 makes it possible to make any place on the floor surface 4 a state where the shelf surface portion 5a does not exist above it.

Further, the pulling operation sections 16a and 16b are
a that the shelves 5a are located outside the range of movement of the guide tracks 3a and 3b.
Can be moved by the overhead crane 2 in either direction. The loading / unloading process of the cargo placed on the upper surface of the shelf 5a by the overhead crane can be performed irrespective of the position of the shelf structure 5.

Therefore, the warehouse 1 can store cargo and the like both on the entire floor surface 4 and on the upper surface of the shelf 5a, and these cargos can be suspended and carried in or out by the overhead crane 2. .

[0026]

According to the present invention, it is possible to store cargo and the like on the entire surface of the upper surface of the shelf structure and the floor of the warehouse, and furthermore, cargo to be stored or cargo already stored in these places. Is suspended or carried in by an overhead crane, and the shelf structure is operated back and forth by the overhead crane, so that no special dedicated driving device is required. Therefore, the space in the vertical direction of the warehouse can be effectively used at relatively low cost, and the storage efficiency can be improved.

According to the second aspect of the present invention, since the plurality of rollers function as rollers and exert a strong supporting force,
A heavy cargo or the like can be placed on the shelf structure.

According to the third aspect of the present invention, the front pulling wire and the rear pulling wire are protected by the guide track and are mounted compactly, and the shelf structure can be moved safely. .

According to the fourth aspect, the wires pulled out by the respective pulling operation sections are compactly arranged and stored, and are prevented from being complicatedly entangled or entangled elsewhere.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a warehouse provided with a shelf device according to one embodiment of the present invention.

FIG. 2 is a plan view of the shelf device.

FIG. 3 is a view showing a rolling means of the shelf device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Warehouse 2 Overhead crane 3a, 3b Guide track 4 Floor 5 Shelf structure 5c Leg 8 Rolling means 9 Roller 10 Guide track 12a, 12b Lead wire 13a, 13b Pull wire 14, 15, 17 Wire guide Means 16a, 16b Pulling operation part 19a, 19b Groove-shaped accommodation part m groove

Claims (4)

(57) [Claims] 1. A pair of guide tracks are provided in a fixed direction on a floor of a warehouse provided with an overhead crane, and each of the pair of guide tracks is provided with a leg that forms a lower portion of a left and right side edge of a shelf structure. Via a wheel means, it is supported movably back and forth in the fixed direction, and further provided with a pulling wire for pulling the shelf structure in a forward direction and a pulling wire for pulling in a rearward direction. Is guided to a pulling operation unit provided outside the range of movement of the shelf surface of the shelf structure through appropriate wire guiding means, and in this pulling operation unit, any of these wires is moved upward by an overhead crane. A shelving apparatus for a warehouse, characterized in that when pulled, the shelf structure is moved in any of the front and rear directions corresponding to the pulled wire. 2. The rolling means has a constitution in which a number of rollers are arranged in parallel in the longitudinal direction of an outer peripheral surface of an endless guide track, and these rollers are connected endlessly by an appropriate chaining means. The shelf device for a warehouse according to claim 1, wherein 3. A pulling operation section is provided near the end of the guide track, and a front pulling wire and a rearward pulling wire are guided to the pulling operation section through a groove of the guide track having a channel-shaped cross section. The warehouse shelf device according to claim 1 or 2, wherein: 4. A groove-shaped accommodating portion for accommodating each of a wire for pulling forward and a wire for pulling backward pulled upward by an overhead crane in a pulling operation portion is provided along the vicinity of the guide track. 4. The method according to claim 1, wherein
The warehouse shelves described.