JPH07285617A - Carrying device of article - Google Patents

Abstract

PURPOSE:To efficiently and precisely deliver an article collecting box between a doorway provided on each floor of a multistoried building and a cage raised and lowered in the building. CONSTITUTION:A cage 3 internally has a plurality of horizontally extended and contracted box transfer devices, and a raising and lowering device 21 for vertically moving the transfer device, and a box magazine 5 having a plurality of receiving bases 7a, 7b, 7c is set on each doorway of a building. When the cage 3 stops in each doorway 4, the extension and contraction of each box transfer device 20 and the vertical movement of the raising and lowering device 21 are carried out in the state where the cage 3 is stopped to execute the cycle operation of box delivery.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a conveying device for raising and lowering articles such as dust and mail inside a building.

[0002]

2. Description of the Related Art In a high-rise building or the like, a method is used in which articles such as dust and mail collected on each floor are conveyed by using a cage that moves up and down inside the building.

In transporting such articles, a plurality of boxes for collecting articles are prepared on each floor.
The box will be delivered between each floor and the cage.

FIG. 15 shows a conventional box delivery structure, in which a cage 52 is provided so as to be movable up and down in a passage 51 penetrating the inside of the building A in the vertical direction.
A box magazine 55 having a plurality of receiving pedestals 56 of a box 54 stacked vertically is installed in the doorway 53 provided in 1.

Further, a box transfer device 57 that horizontally expands and contracts toward the doorway 53 is provided inside the cage 52, and the transfer device 57 in an expanded state is placed below the receiving table 56 of the box magazine 55. From above, the box 54 is received to receive the box 54, and conversely, the transfer device 57 with the box 54 placed thereon is lowered from above the receiving table 56 to deliver the box 54 to the box magazine 55. There is.

[0006]

In the above structure,
When the box 54 is transferred between the transfer device 57 and the cradle 56, when the transfer device 57 is moved up and down by directly raising and lowering the cage 52, it is moved up and down for each floor of the building. Since a structure for starting and stopping the cage 52 within a small distance range of about 10 cm is required, there is a problem that the control structure for raising and lowering the cage becomes extremely complicated.

For example, in order to start and stop a cage for raising and lowering 30 floors for a short distance for handing over a box, a mechanism for raising and lowering by more than twice, that is, raising and lowering for 60 floors or more. There is a problem that a control structure comparable to that is required and the equipment cost increases significantly.

In a skyscraper, etc., the cage 5
The length of the wire rope that suspends 2 may exceed 100 m, but if the tip of the wire rope with such a length is raised and lowered by about several tens of centimeters, it will not be accurate because of the expansion and contraction of the wire rope. There is also a problem that it is difficult to secure the amount of lifting and lowering, and the accuracy of the movement of the transfer device 57 when the box is delivered becomes poor.

Therefore, the present invention solves the above problems,
An object of the present invention is to provide an article transporting device capable of accurately moving a transfer device for box delivery up and down with a simple structure.

[0010]

In order to solve the above problems, the present invention has a structure in which a cage is provided with an elevating device for vertically moving a box transfer device independently of the elevating and lowering of the cage. Of.

According to a second aspect of the present invention, a cage is provided with a detector for detecting the presence / absence of a box on the transfer device, and a controller connected to the lifting device and the transfer device controls the transfer device. When there is a box in the box, the transfer device is extended above the pedestal of the box magazine by the cage stop signal, then lowered to the delivery position and contracted into the cage, and when there is no box on the transfer apparatus, In response to the cage stop signal, the transfer device is extended below the pedestal and then raised to the receiving position to be contracted into the cage.

In the above structure, the box magazine is provided with a plurality of pedestals stacked vertically, and the plurality of box transfer devices are provided vertically stacked in the cage corresponding to the pedestals. Alternatively, each of the transfer devices may be vertically moved integrally by an elevating device.

[0013]

In the above structure, when the cage stops on the predetermined floor of the building, only the box transfer device is moved up and down by a predetermined amount by the elevating device while the cage is stationary, and the box magazine receiving stand is moved. To deliver the box to.

In the second means, when the cage stops, the transfer device performs a cycle motion of expansion and contraction and vertical movement for receiving or delivering the box depending on the presence or absence of the box on the transfer device. Boxes can be delivered automatically.

[0015]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIGS. 1 to 10 show a transfer device for sorting and collecting the garbage discharged from each floor in a high-rise building by type and transferring it to the basement floor.

In FIGS. 1 and 2, reference numeral 1 denotes a passage vertically passing through the inside of the building A. Inside the passage 1, a cage 3 is provided via a cage drive mechanism 2 equipped with a rope hoisting machine or the like.
Is provided so that it can be raised and lowered. Floor B on each floor of the above building
₁ , B ₂ , ..., Bn are formed with entrances / exits 4 opening to the conveyance passage 1, and the cage 3 is located at a predetermined position of the conveyance passage 1 corresponding to each entrance / exit 4 by the operation of the cage drive mechanism 2. Lifted or stopped.

Each entrance 4 is provided with a stop detector (not shown) for detecting when the cage 3 stops before the entrance.

Each of the entrances and exits 4 can be opened and closed by a slide type door 5, and a box magazine 6 is installed outside each of the entrances and exits 4.

This box magazine 6 is shown in FIGS.
As shown in FIG.
b, 7c, a pedestal elevating mechanism 8 for elevating and lowering the respective pedestals 7a, 7b, 7c, and a box-shaped case 9 covering the outer side of the elevating mechanism 8, and wheels mounted on the lower surface of the case 9. The movable leg 10 and the telescopic leg 11 can be moved and fixed to any position.

The pedestal raising / lowering mechanism 8 is provided with a pair of guide rails 12 and 13 extending vertically on both sides, and three pedestals 7a and 7b are provided between the guide rails 12 and 13.
7c is stored. Of these receiving trays, the lower receiving tray 7c is fixed, and the upper receiving trays 7a and 7b have the guide rolls 14 attached to both side surfaces thereof.
It can be moved up and down by being fitted to.

As shown in FIG. 6, each of the receiving trays 7a, 7b, 7c is provided with receiving portions 16, 16 for horizontally supporting the collecting box 15, and the lower portions are provided between the receiving portions 16, 16. When the pedestals 7a, 7b, 7c are lowered to the lowest limit as shown by the chain line in FIG. 6, the dents 17 of the pedestals are fitted into each other and the pedestals 7a, 7b 7b and 7c are designed to be stacked in a state of being close to each other. Also, each of the recesses 17 and the receiving portion 1
The gap 18 formed between the gaps 6 and 16 is formed in such a size that the fork of the loading forklift of the collection box 15 and the transfer table 24 of the box transfer device 20 described later can be inserted therein.

On the other hand, inside the cage 3, FIG. 2 and FIG.
As shown in FIG. 3, a support frame 19, three box transfer devices 20 arranged vertically inside the support frame 19, and an elevating device 21 for vertically moving the support frame 19 together with the box transfer devices 20. And are installed.

As shown in FIGS. 7 to 9, the box transfer device 20 transfers the intermediate table 23 on the base 22 by fitting the guide rail 25 and the guide roller 26 onto the intermediate table 23. Place the table 24 on the guide rail 2
5 and the guide roller 27 are fitted so as to be slidable. Further, a pair of pinion gears 29, 29 attached to the base 22 are made to mesh with a rack gear 28 provided on the lower surface of the intermediate table 23, and the drive motor 3 is driven by both the pinion gears 29, 29 via a plurality of gears.
0s are connected.

Further, two sprockets 31 and 32 are rotatably attached to the intermediate table 23, one ends of chains 33 and 34 wound around the sprockets 31 and 32 are connected to the base 22, and the other ends are connected. It is connected to the transfer table 24.

In this box transfer device 20, when the drive motor 30 rotates, the intermediate table 23 slides due to the meshing of the pinion gears 29, 29 and the rack gear 28, and the movement of this slide is transferred via the chains 33, 34. The table 24 is pulled horizontally to transfer the table 24.
Is horizontally slid with respect to the intermediate table 23 and the base 22.

As shown in FIG. 4, the lifting device 21 includes
The cage 3 is provided with a pair of guide rails 35 and 36 extending in the vertical direction on both sides thereof.
Guide rollers 37, 3 attached to both side surfaces of the support frame 19,
8 is rotatably fitted, and this fitting guides the vertical movement of the support frame 19.

On the bottom surface of the cage 3, a lifting motor 3 is provided.
9 and a lower sprocket shaft 40 connected to the lifting motor 39 are provided, and the chain 42 is rotated between the lower sprocket shaft 40 and the upper sprocket shaft 41 provided at the upper ends of the guide rails 35 and 36. Hand over as much as possible,
The end of the chain 42 is connected to the support frame 19.

In the lifting device 21, the lifting motor 39
When the chain 42 rotates, the support frame 19 moves up and down with respect to the cage 3 by the amount of rotation. in this case,
Each box transfer device 20 is attached to the guide rails 35 and 36.
When the box is moved up and down to deliver the box 15 to the box magazine 6, limit switches (not shown) for detecting the approach of the support frame 19 are attached at each of the ascending and descending positions for the delivery. The operation of the lifting motor 39 is controlled by the signal from the limit switch.

The boxes 1 on the transfer tables 24 are provided on both sides of the three box transfer devices 20, respectively.
A non-contact type box detector 43 for detecting the presence or absence of 5 is provided.

The detection signal of each box detector 43 is
As shown in FIG. 10, it is input to a control device 44 that controls the movement of the cage drive mechanism 2, and from this control device 44, the drive motor 30 of each box transfer device 20 and the lifting device 2 are input.
A control signal is output to the first lifting motor 39. A signal is input to the control device 44 from a stop detector of the cage 3 provided at the entrance / exit 4 of each floor of the building.
When a stop completion signal for the respective entrances / outlets 4 of the cage 3 is input from the stop detector or the cage drive mechanism 2 or the like, based on the signal from the box detector 43, the cycle motion for box delivery is transferred to each box. A control circuit (not shown) for performing the mounting device 20 and the lifting device 21 is incorporated. The control contents of this control circuit will be described later.

This embodiment has the above-mentioned structure, and its operation will be described below. First, at the beginning of the morning,
An empty collecting box 15 is stored inside the box magazine 6 on each floor, and each collecting box 15 is taken out to each floor.

The garbage is collected in a plurality of collection boxes 15 on each floor of the building separately by type, and the boxes 15 are stored in a box magazine 6 installed at the entrance 4.

In this operation, the boxes 15 are stored on the upper receiving table 7a of the box magazine 6 with the respective receiving tables 7a, 7b, 7c lowered to the lowest position, and then the receiving table 7a is raised. Box 1 on the pedestal 7b in the center
5 and then both upper and center pedestals 7a, 7b
And the box 15 is housed on the lower pedestal 7c.

When the receiving trays 7a, 7b, 7c of the box magazine 6 are fully loaded in the box 15 in this way, the operator presses a button provided in each of the doorways 4 and the box magazine 6 to control the signal of the full box. Dispose on the device 44. As a result, the control device 44 sequentially registers the floors full of boxes.

On the other hand, when the work in the building is completed and it becomes nighttime, the floors registered by the control device 44 are sequentially selected, and the cage 3 is provided between each floor and the basement floor Bn.
Are repeatedly moved up and down, and the dust in the box magazine 6 on each floor is conveyed to the storage location 45 on the basement floor Bn. At this time, inside the cage 3 that rises to each floor, there is no box above each box transfer device 20, and each transfer table 24 is above the base 22 at the lowered position of the elevating device 21. It is in a contracted state that is drawn into.

When the cage 3 is stopped at the entrance / exit 4 and a signal indicating that the cage has been stopped is input from the stop detector and the cage drive mechanism 2 to the control device 44, the control circuit inside the control device 44 is changed to the state shown in FIG. The cycle movement for box delivery is controlled based on the processing flow as shown.

In this process, first, step 1 (S1)
At, the presence or absence of the box 15 on each box transfer device 20 is detected by the signal from the box detector 43. At this time, since there is no box on the transfer table when the box is received in the cage, the process proceeds from step 1 to step 5 (S5), and the transfer table 24 of each box transfer device 20 is moved toward the box magazine 6. Slide forward (FIG. 12 (a)).

The slide of each transfer table 24 is completed,
When each transfer table 24 enters into the gap 18 between the receiving portion 16 and the recess 17 of each receiving table 7a, 7b, 7c, next,
In step 6 (S6), the elevating device 21 is operated to raise each box transfer device 20 by 10 cm (FIG. 12).
(See (b)).

As a result, each transfer table 24 is lifted above the receiving portion 16 of each receiving table 7a, 7b, 7c, and each box 15 is transferred onto each transfer table 20.

Then, in step 7 (S7), each transfer table 24 is slid backward toward the cage 2,
Each box 15 is stored inside the cage 3 (see FIG. 12).
(See (c)).

When the delivery of the box is completed, the cage 3 is lowered to the entrance / exit 4 of the basement floor Bn in order to convey the garbage to the storage location 45. While descending this cage 3,
The transfer table 24 of each box transfer device 20 is held at the raised position of the elevating device 21.

When the cage 3 stops at the entrance / exit 4 of the basement floor Bn, the cycle motion is controlled based on the processing flow of FIG. At this time, since the box 15 is present on each box transfer device 20 of the cage 3, the process proceeds from step 1 to step 2 (S2) in FIG.
In this case, since N = 1 at the beginning, the process moves from step 3 to step 4, and the lowermost transfer device (this lower transfer device is set to the (N = 1) th transfer device, In the following, the transfer device in the center is the (N = 2) th, and the transfer device in the upper stage is
The (N = 3) th transfer device) sets the transfer table 24 to extend, descend, and retract (FIG. 14A), and transfers the box 15 to the traverse 46 of the storage location 45.
Next, as shown in FIG. 14B, the traverse 46 moves forward and backward, and the box 15 is delivered to the transport conveyor 47 heading to a predetermined dust storage position (S7).

Then, in step 8 (S8), the cage 3 is lowered by the height interval of each transfer device 20, and the heights of the center transfer device and the traverse 46 are matched (FIG. 14).
(C)).

When the above operation is completed, 1 is added to N in S9 to convert the value of N into 2, the process returns to S3, and from S4 to S4.
Then, the box is transferred between the transfer device 20 and the traverse 46 at the center. When the delivery of the box is repeated in this way and the delivery work is completed for the upper transfer device, N = 4, and therefore the process goes to S10, and the delivery of the box to the storage location is completed.

On the other hand, when the empty box 15 is transported to the floors of each floor, there is no box on the transfer device 20 when the empty box is received from the storage location 45, so that steps 1 to 13 to 16 in FIG. Through cage 3
An empty box is stored on the box transfer device 20 at the bottom of the table. This is repeated for the transfer device 20 in the center and the upper stage to load the boxes into the cage 3, and then the cage 3 is raised to the required floor.

Entrance / exit 4 of the floor where the cage 3 is required
If stopped before, since the box 15 exists on each transfer table 20 in this case, the process moves from step 1 to step 2 in the process flow shown in FIG. The box 15 is delivered to the box magazine 6.

In the above embodiment, the number of the cradle and the box transfer device 20 provided in the box magazine 6 or the cage 3 may be one, two, or four or more.

Further, although the above example describes the conveyance of dust, the present invention can be similarly used for the conveyance of mail and other articles.

[0049]

As described above, the article conveying apparatus of the present invention is
Since the box transfer device is moved up and down by the elevating device provided inside the cage to deliver the box and the cage only elevates between floors, without complicating the cage elevating control structure, The vertical movement of the transfer device for box delivery can be performed accurately and efficiently.

Further, when the second means of the present invention is adopted, it is possible to automatically carry out the cycle operation from the stop of the cage to the delivery of the box, so that the work of carrying the articles can be efficiently carried out.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a carrying device according to an embodiment.

FIG. 2 is an enlarged sectional view of the main part of the above.

FIG. 3 is a sectional view taken along line III-III in FIG.

4 is a sectional view taken along line IV-IV in FIG.

FIG. 5 is a vertical sectional front view of the box magazine.

[Figure 6] Vertical side view of the box magazine

FIG. 7 is a vertical sectional front view showing the box transfer device of the above.

FIG. 8 is a vertical sectional side view of the Bock transfer device.

FIG. 9 is a partial cross-sectional plan view of the Bock transfer device.

FIG. 10 is a block diagram showing a control structure of the embodiment.

FIG. 11 is a block diagram showing a processing flow when a box of a control device is delivered between a cage and a doorway.

12 (a), (b) and (c) are views showing a cycle motion of receiving a box.

FIG. 13 is a block diagram showing a processing flow when a box of a control device is delivered between a cage and a storage location.

14 (a), (b) and (c) are diagrams showing a cycle motion of box delivery.

FIG. 15 is a sectional view showing a conventional example.

[Explanation of symbols]

 1 Passage 2 Cage Drive Mechanism 3 Cage 4 Entry / Exit 6 Box Magazine 7a, 7b, 7c Cradle 8 Lifting Mechanism 15 Collection Box 19 Support Frame 20 Box Transfer Device 21 Lifting Device 24 Transfer Table 30 Drive Motor 35, 36 Guide Rail 37 , 38 Guide rollers 39 Elevating motors 43 Box detectors 44 Control devices 45 Storage places 46 Traverses

Claims (3)

[Claims] 1. A passage extending vertically through a building,
A cage for article transportation is provided so as to be able to move up and down, a box magazine provided with a pedestal for an article collection box is installed at the entrance provided in the passage, and a cage transfer device for horizontally expanding and contracting is provided in the cage. In the conveying device for articles, the extended transfer device is lifted from below the cradle of the box magazine to receive the box in the cage, and the transfer device is lowered from above the cradle to deliver the box to the box magazine. An article conveying device, wherein a cage is provided with an elevating device for moving a box transfer device up and down independently of elevating the cage. 2. A cage provided with a detector for detecting the presence or absence of a box on the transfer device, and a cage connected to the lifting device and the transfer device when the box is on the transfer device. Stop signal, the transfer device is extended above the pedestal of the box magazine, then lowered to the delivery position and contracted in the cage. When there is no box on the transfer device, the transfer device is transferred by the cage stop signal. 2. The apparatus for conveying articles according to claim 1, wherein the apparatus is extended below the pedestal and then raised to a receiving position to perform a cycle motion of contracting into the cage. 3. The box magazine is provided with a plurality of vertically stacked pedestals, and a plurality of box transfer devices are vertically stacked in a cage corresponding to the respective pedestals.
The article conveying apparatus according to claim 1 or 2, wherein each of the transfer apparatuses is integrally moved up and down by an elevating device.