JPH0626031Y2 - Wiring device for low-type electric mobile shelf device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention arranges a plurality of electric movable shelves, each having a reversible motor for traveling, with a margin space corresponding to at least one working passage, The present invention relates to an electric moving rack device in which the movable rack is appropriately moved by the reversible motor at the time of receipt and delivery of goods to open a passage for receipt and delivery work, and is particularly effective when used for a low type electric moving rack device with a low total height. Wiring device.

[Prior Art] In a conventional electric mobile rack device, a wiring device for supplying electric power to a reversible motor provided in each movable rack to drive and control each movable rack is provided at an end of the electric movable rack device. A system is adopted in which cables are sequentially bridged from adjacent fixed shelves to adjacent shelves, and various methods are used depending on the structure of the shelves or the size of the passage width to be opened and closed.

FIG. 8 is a front view showing a conventional moving shelf device. When the total height of the shelves is higher than that of a human body, a metal cable arm 51 that horizontally bends freely between the adjacent shelves is bridged between the adjacent shelves, A cable 52 is housed in the arm 51. Since the cable arm 51 is provided at a position higher than the human body, the cashier can freely pass under the cable arm 51 and does not hinder the cashier work. Further, the work passage can be entered from the front side or the back side of the shelf.

FIG. 9 is a front view showing another conventional moving shelving device, in which a cable 53 is bridged between adjacent shelves on the back side of the shelves, so that the cashier can work from the front side of the shelves with a work passage. You can go in and out.

[Problems to be Solved by the Invention] However, in any of the above-described conventional methods, there is a wiring device installation method that is possible only when the total height of the shelf is higher than that of the human body or when it is sufficient to enter and exit from the front side. It was

That is, in the former method, since the cable arm 51 is provided on the upper part of the shelf, if the total height of the shelf is lower than that of the human body, it will be an obstacle to the delivery work and cannot be used.

Further, in the latter method, since the cable 53 is bridged on the back side, entry into the work passage from the back side is prevented, rapid delivery work is hindered, and it is also aesthetically pleasing. I couldn't say.

An object of the present invention is to provide a wiring device which is intended to solve the above-mentioned conventional problems and is particularly effective when used for a low type electric moving rack having a low overall rack height.

[Means for Solving the Problems] According to the present invention, a plurality of electric movable shelves each having a reversible motor for traveling are arranged with a margin space corresponding to at least one work passage, and when the goods are delivered and received, A low-type electric moving rack device in which the movable rack is moved by a reversible motor to form a work passage on the storage surface side of the movable rack in which articles are to be stored and received, and a floor on which the movable rack device is placed. A device extends the opening in the moving direction of the movable shelf, and the opening is formed by two elastic members continuous in the moving direction of the moving shelf at approximately the center in the width direction of the opening exposed on the floor surface. It is formed by including a cable duct that is closed and provided with an opening / closing groove on the abutting surface of each elastic member, and is fixed to the bottom of the movable shelf, and the lower portion thereof is inserted from the opening / closing groove into the cable duct. Cable to be inserted Among the cables that connect the movable shelves adjacent to each other, a linear cable is inserted through the support member, and a spiral cable of the cables is arranged in the cable duct. By doing so, the above problems have been solved.

[Operation] According to the present invention having the above configuration, the cable is disposed in the cable duct of the floor device and is not exposed to the outside, and the work passage can be entered from either the front side or the back side. A spiral cable is placed in the cable duct,
It is flexible and the cable does not float up.

[Embodiment] An embodiment of the present invention will be described in detail with reference to the drawings.

A plurality of electric movable shelves each equipped with a reversible motor for traveling are arranged with a spare space corresponding to at least one work passage, and at the time of receipt and delivery of goods, the movable shelves are appropriately moved by the reversible motor to perform receipt and delivery work. An electric movable shelving device for opening an aisle for is composed of a combination of a plurality of movable shelves, one or more movable shelves,
In some embodiments of the present invention, the movable rack device is a flat plate-shaped floor device 12 laid on the floor surface 11 as shown in FIG. 1, although it is composed of at least one fixed rack. Two fixed shelves A and D placed on top and two movable shelves B,
It is composed of a combination with C, and each shelf is a low type whose overall height is lower than the human body.

The movable shelves B and C are guide rails 1 provided on the floor device 12.
3 are movably arranged by wheels 14 on the left and right, and each of the shelves A to D has a shelf board 1 as shown in FIG.
Sectioned by 5 forms a storage surface 16.

In the drawing, 1, 2 and 3 are work passages between adjacent shelves A to D, but in FIG. 1 the work passage 1 between the shelves A and B is opened and other shelves B to D are opened. The work passages 2 and 3 are closed and in a dense state.

Reversible motors M ₁ and M ₂ are attached to the lower portions of the movable shelves B and C, respectively, and the movable shelves B and C can be moved in the left-right direction by driving the wheels 14 via a reduction gear. There is. The front panels 17 of the movable shelves B and C are provided with passage selection switches HS ₁ , HS ₂ and HS ₃ respectively corresponding to the work passages ₁ , ₂ and ₃ , and these switches are provided in the work passage 1 , 2 or 3 is also an operation switch for opening any one of them, and also serves as a reset switch. Further, a switch LS for detecting separation and contact with an adjacent shelf is provided on the lower part of the storage surface 16 side of each movable shelf B, C.
₁ , LS ₂ and LS ₃ are provided, and when these are pressed by the adjacent shelves, the contact between the adjacent shelves is detected.

The front panel 17 of each of the movable shelves B and C is equipped with control devices 18 and 19, respectively, and only one of the fixed shelves A and D (fixed shelves A in the embodiment) is fixed. A power supply device 20 for supplying electric power to the control device 18 is connected to a commercial power supply (not shown).

In the present invention, the cable 21 connected to the power supply device 20 of the fixed shelf A passes through the floor device 12 and is connected to the control device 18 of the movable shelf B to supply power, and further, the movable shelf B.
From the control unit 18 of the
1 is connected to the control device 19 of the movable shelf C. Less than,
Further, when there are movable shelves, cables are connected between the respective control devices in the same manner.

FIGS. 3 to 6 are enlarged cross-sectional views of the floor device 12 on which the movable shelving device is placed, the arrangement state of the cables 21 in the floor device 12, and the operating state thereof.

The floor device 12 fixes a floor panel 22 made of, for example, wooden or the like on the floor surface 11 in order to place the entire movable shelving device on the upper portion thereof, and a floor member 2 made of, for example, tile carpet or the like on the floor panel 22.
3 is placed and fixed and extends in the moving direction of the movable shelves B and C to lay a plurality of guide rails 13 for guiding the wheels 14, and a cable duct 24 for disposing the cable 21. Is provided.

The cable duct 24 is provided in a rectangular cross section on the floor panel 22, has a bottom plate 25 made of metal installed on its bottom wall, and has a vertical piece 26 in contact with the inner wall surface thereof, and a vertical piece 26 above the vertical piece 26. The two shaped steel materials 28 formed with the bent protruding pieces 27 are fixed so as to face each other so that the upper surfaces of the protruding pieces 27 are flush with the floor panel 22. An opening 29 having a narrow width is provided between the front end edges 27a of the projecting pieces 27.

Further, on the upper surface of the opening 29 of the cable duct 24, dust such as dust is prevented from entering and the cable 21 is protected, and a cable support member 37 described later is fitted therein,
In order that the movable shelves can smoothly slide and move as the movable shelves move, for example, two elastic members 30 formed of a highly elastic material such as a sponge rubber plate are provided in the opening 29.
In order to occlude the opening 29 to some extent, in the center of the width direction of the opening 29, on the abutting surfaces of the two elastic members 30,
The floor panel 22 is placed on the hollow steel material 28 having an opening / closing groove 31 having a slight gap, and the expansion / contraction members 30 are also provided.
The leading edge 32a of the protruding edge 27a of the protruding piece 27.
It is formed by pressing each of the elastic members 30 at the floor panel 22 portion with a wood screw 33 by pressing with the two parting presser plates 32 corresponding to. Each of the leading edges 27a,
Each of the elastic members 30 projecting inward from 32a is expandable and contractible in the width direction, and is also bendable in the vertical direction.

It is sufficient that each of the elastic members 30 is provided at least in the movable range of the movable shelves B and C, and the floor device 12 on the lower surface of the fixed shelf is provided only when the cable 21 is arranged on the lower surface of the fixed shelf. , Only the cable duct 24 is shown in FIGS.
It may be provided as shown in the figure.

From the power supply device 20 of the fixed shelf A to the control device 1 of the movable shelf B
8 and the connection of the respective cables 21 to the controller 19 of the movable shelf B to the controller 19 of the movable shelf C and its operating state are shown in FIGS. 3 and 4.

Cable 21 connected to power supply device 20 of fixed shelf A
The linear cable 21a is extended downward, the upper portion is fixed to a holding plate 34 fixed to the bottom of the fixed shelf A, and the lower portion is inserted into the cable duct 24.
A curved portion 35 is provided by bending the distal end portion thereof in the direction of the movable shelf B, and a large-diameter cushioning member 36 made of an insulating material such as rubber is fixed to the outer peripheral surface of the edge of the curved portion 35. The straight cable 21a of the cable 21 is passed through and fixed to the hollow cable support member 37 (not shown), and the cable 21 exposed through the cable support member 37 is exposed in the cable duct 24.
Is formed on the spiral cable 21b, extends in the direction of the movable shelf B in the cable duct 24, and is an upper portion of the cable support member 37 symmetrically formed with the cable support member 37 formed on the fixed shelf A. But movable shelf B
Is fixed to a holding plate 34 that is fixed to the bottom of the spiral cable 21b. The linear cable 21a is fixed through the cable support member 37 of the movable shelf B (not shown), further extended upward, and connected to the control device 18 of the movable shelf B.

Then, connecting means of the cable 21 from the control device 18 of the movable shelf B to the control device 19 of the next adjacent movable shelf C and connecting means of the cable to the control device of the movable shelf after the movable shelf C. Also, since it is the same as that of the fixed shelf A and the movable shelf B, the description thereof is omitted.

FIG. 3 shows a state in which the fixed shelves A and the movable shelves B are close together and the work passage 1 is not formed, and the cable 2
The spiral cable 21b of No. 1 is contracted, and FIG. 4 shows a state in which the movable shelf B is moved to form the work passage 1 between the fixed shelf A and the movable shelf B. The spiral cable 21b is extended. Since the spiral cable 21b has a spiral shape, it has a short natural length and is elastic, and has a substantially cylindrical shape regardless of whether adjacent shelves are adjacent to each other or separated from each other. Holds and never floats.

The buffer member 36 is the spiral cable 21b.
However, when the movable shelves B and C contract with the movement, or when the movable shelves move in the cable duct 24 in a contracted state, the end portion of the spiral cable 21b is attached to the inner edge of the large-diameter cushioning member 36. The spiral cable 21b is abutted against and contracted or moved while pushing the spiral cable 21b.

FIG. 7 shows the control devices 18, 19 and the movable shelves B, respectively.
FIG. 13 is a block diagram showing a connection state of each switch, a reversible motor and a cable in C, which is a control device 18 of a movable shelf B.
The power is supplied from the power supply device 20 of the fixed shelf A to the control device 19 of the movable shelf C via the cable 21 from the control device 18 of the movable shelf B.

In this embodiment, the wiring for forming the control circuit is also housed in the cable 21 together with the motor power supply wiring, but the wiring for forming the control circuit and the motor power supply wiring may be provided separately.

Next, the operation of the embodiment of the present invention will be described.

When opening a desired passage of the work passage 1.2.3, the passage selection switch corresponding to the work passage is operated. For example, when the work passage 2 is opened in the state shown in FIG. 1, if the passage selection switch HS ₂ corresponding to the work passage ₂ is operated, the reversible motor M ₁ is supplied with electric power, and the movable shelf B has its cable support member 37. Is slidably brought into contact with the tip edge portion of each elastic member 30 and is moved leftward while being contracted so as to be expanded, and the left fixed position, that is, the separation / contact detection switch LS ₁ is brought into contact with the fixed shelf A and pressed. At a position where the reversible motor M ₁ is de-energized, the movable shelf B is stopped and the working passage 2 is opened. The portion of each elastic member 30 where the cable support member 37 is not located is extended to open and close the opening / closing groove 31.
Is closed. Then, when the receipt / payment work in the work passage 2 is completed, if the passage selection switch HS ₂ is operated again, the reset state is restored, and the next passage selection operation becomes possible.

The same applies to the case of opening the other work passages. If the passage selection switch HS ₃ is operated in the state shown in FIG. 1, the reversible motors M ₁ and M ₂ are supplied with electric power, and the movable shelves B and C move leftward. A working passage 3 is formed.

In the operation of opening the work passage 1, the spiral cable 21b of the cable 21 between the fixed shelf A and the movable shelf B is
The expanded state is maintained in the cable duct 24, but the work passage 2 between the movable shelf B and the movable shelf C is closed, so that the spiral cable 21b of the cable 21 between them is contracted in the cable duct 24. Holding

[Advantages of the Invention] Since the present invention is as described above, since the wiring device in which the cable is arranged in the cable duct of the floor device is provided without exposing the cable to the outside at all, the cashier is Both the front side and the back side can enter the work passage, and can perform a quick cashing operation. Also, since the cable is not exposed to the outside, it is aesthetically pleasing, and there is no risk of dust entering the cable duct.
There is a great deal of practical benefit.

[Brief description of drawings]

FIG. 1 is a front view of the entire movable shelf device, FIG. 2 is a side view of a movable shelf, FIG. 3 is an enlarged cross-sectional view of a main part of the cable during contraction showing an operating state of a spiral cable, and FIG. FIG. 5 is an enlarged cross-sectional view of a main part of the cable when expanded, showing an operating state of the spiral cable, FIG. 5 is an enlarged cross-sectional view of a main part of the cable duct, and FIG. 6 is a main part showing a related state of the cable duct and the cable support member. FIG. 7 is a front view showing a conventional moving rack device, and FIG. 9 is a front view showing another conventional moving rack device. . In the figure, A and D are fixed shelves, B and C are movable shelves, M ₁ and M ₂ are reversible motors, 1, 2 and 3 are work passages, 12 is a floor device, 1
Reference numerals 8 and 19 are control devices, 21 is a cable, 21a is a straight cable, 21b is a spiral cable, 24 is a cable duct, 29 is an opening, 30 is an expansion / contraction member, 31 is an opening / closing groove, and 37 is a cable supporting member. .

Claims (1)

[Scope of utility model registration request] 1. A plurality of electric movable shelves, each of which has a reversible motor for traveling, are arranged with a margin space corresponding to at least one work passage, and the movable shelves are moved by the reversible motor at the time of delivery of goods. In the low-type electric mobile shelving device configured to form a work passage on the storage surface side of the movable shelves in which articles are to be delivered and received, the floor device on which the mobile shelving device is placed is the movement of the movable shelves. Direction, and the opening portion is closed by two elastic members continuous in the moving direction of the movable shelf at approximately the center in the width direction of the opening portion exposed on the floor surface, and each elastic member is closed. A cable duct having an opening / closing groove on the butting surface of the movable shelf, and fixed to the bottom of the movable shelf, and a lower portion of the cable supporting member fitted into the cable duct from the opening / closing groove. Movable next to each other A wiring device of a low-type electric mobile shelf device, in which a linear cable is inserted through a cable connecting between shelves and a spiral cable of the cables is arranged in the cable duct.