JPH02249886A - Conveying equipment in use of elevator - Google Patents

Abstract

PURPOSE:To dispense with battery replacement or the like as well as to make efficient continuous operation performable by letting a guiding body on a floor at each floor travel on a fixed route as detecting it with a detector mounted with a self-propelled carriage, and making power feedable to a self-propelled carriage from the side of a lifting body in an evevator via a cable. CONSTITUTION:A lifting body 13 being free of opposition at plural floors is installed in an evevator, and each of guiding bodies 30, 32 is set up in each floor 31 and this lifting body 13, while a detector (following sensor) 9 of the said guiding bodies 30, 32 and a controller 8 braking operation of a self-propelled carriage 1 are installed in this self-propelled carriage 1 stowable in the lifting body 13. In addition, an extensible cable 21 is set up in space between the self-propelled carriage and the lifting body 13, making power feedable from the side of the lifting body 13. With this constitution, the carriage 1 in the lifting body 13 is stopped at a destination floor, while the detector 9 and the controller 8 both operate, and the carriage 1 is traveled to an object station on a fixed route formed by the guiding body 32 and stopped and, after unloading is over, it is made possible to travel back and return to the inside of the lifting body 13.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a transport facility using an elevator, which is effective for transporting meals within a hospital, for example.

2. Description of the Related Art As a conventional conveyance facility using an elevator, a structure disclosed in, for example, Japanese Unexamined Patent Publication No. 58-26789 has been provided. In this conventional type, a self-propelled trolley having a cargo receiving platform that can be raised and lowered on the upper part is configured to be able to travel freely between the floor and the elevating body of the elevator. A guide body and a power supply cable are arranged. According to this conventional method, the self-propelled trolley inside the elevator automatically travels to the desired floor by opening the communication path.
At this time, power is supplied to the self-propelled cart from the elevating body side via a cable. Furthermore, automatic travel is performed directly in front of the communication path, guided by a guide body that expands and contracts.

As a type that does not use the above-mentioned guide body, for example, a configuration disclosed in Japanese Patent Application Laid-Open No. 191983/1983 is provided. In this conventional type, a tow bus wire is arranged across the floor wall of the gauge (elevating body) and the floor wall of each floor.
A tracking sensor is provided on the transport vehicle side, and the transport vehicle automatically travels while detecting the tow bus wire with this tracking sensor, and the transport vehicle is equipped with a rechargeable battery.

Problems to be Solved by the Invention According to the conventional type using the above-mentioned guide body, the traveling path of the self-propelled cart is formed in a straight line directly in front of the communication path, so that the traveling path of the wagon handled by the self-propelled cart is Therefore, depending on where the elevator is installed, it may not be possible to place the stopping place near a wall, and if it is in the center of the floor, it may interfere with other work. Become. In addition, in the latter type that does not use a guide body, depending on the arrangement pattern of the towpath wire, the transport vehicle can be moved to any desired location, such as near a wall. However, since it is a rechargeable type, it is troublesome to have to replace the battery, and the battery runs out during operation, making it impossible to operate frequently and continuously, which is disadvantageous in terms of operating efficiency.

An object of the present invention is to provide a transport facility using an elevator that allows a self-propelled trolley to automatically travel in any direction on each floor, and that can supply power to the self-propelled trolley from the elevator side.

Means for Solving the Problems In order to achieve the above object, the elevator transport facility of the present invention is provided with a plurality of elevators that can freely face each other, and a guide is placed in each floor and inside the elevator. In addition, a self-propelled truck having a detection device and a control device for these derivatives is provided, and a cable is provided between the self-propelled truck and the elevating body.

Effects According to the configuration of the present invention, the self-propelled carriage can be made to face the target object by lowering the elevating body by yI while the self-propelled carriage is housed in the elevating body. The self-propelled cart is then automatically moved from the elevator to the width side, but at this time, the detection device detects the guide and is automatically controlled, so the self-propelled cart travels on a fixed path formed by the guide. , and stop at the desired station. At that time, power is supplied to the self-propelled cart from the elevating body side via a cable. The self-propelled cart stopped at the station is automatically or manually loaded and unloaded with objects to be transported, and then the self-propelled cart returns to the elevating body due to its reverse running ability.

An embodiment of the present invention will be described below based on the drawings.9 The construction is a self-propelled trolley, consisting of a main body 2, a loading platform 3 attached to the top of this book #2 so that it can be raised and lowered, and the main body 2. It consists of a plurality of wheels 4 attached to the lower part, bumpers 5 provided at the curved part of the main body 2 and the rear part, etc.

Inside the main body 2, there is an elevating drive device that is linked to the cargo receiving platform 3! f6, and a travel drive device 27 that is linked to the vehicle 1414.
and a control device 8 that controls both devices 6, 7, etc., and furthermore, a tracking sensor (detection device) equipped with a pair of left and right pickup coils 9a, 9b is provided at the lower part of the front and rear parts. Example) 9 is provided. Reference numeral 11 denotes an elevator, which includes a box-shaped elevating body 13 disposed within the elevating path 12 and an electric hoist 15 that is provided at the upper part of the elevating path 12 and interlocks with the elevating object 13 via a wire row 114. , a vertical guide rail 17 for guiding a roller 16 attached to the outer surface of the elevating body 13, and the like. An entrance/exit passage 18 is formed in the front wall 13a of the elevating body 13, and an opening/closing door 19 for opening/closing the entrance/exit passage 18 is provided. A reel 20 is provided below the floor plate 13b of the elevating body 13, and an end of a cable 21 wound and fed out onto the reel 20 is connected to the self-propelled cart 1. This cable 21 is a collection of power supply lines, signal lines, etc., and passes through a through hole 22 formed in the floor plate 13b near the rear wall 13c, and is guided by a guide device 23 disposed in the through hole 22. Ru. Multiple floors 24A,
24B, 24C, 24D, 24E and hoistway 12
The wall 25 that separates the two has a communication path 26 that can freely face the entrance/exit path 18, and an opening/closing door 2 that opens and closes the communication path 26.
7 are provided corresponding to each 1 (124A to 24P). At the edge forming the communication path 26 and at the inner corner, a roller body ( An example of a guide body 29 is provided.A towpath wire 30 is buried in the upper surface of the floor plate 13b of the elevating body 13, and a towpath wire 32 is also buried in the upper surface of the floor 31 on each floor 24A to 24B.These towpath wires 30.
32 is for electromagnetic induction that can freely conduct a low frequency current,
The tracking sensor (detection device) 9 is an example of a detectable derivative. And tow bus wire 3 on floor 31111M
2 includes, for example, a straight portion of the communicating path 26, a sloped portion continuing from this toward the side wall 33, and a side portion continuously extending from the straight portion toward the side wall 33.
A pattern is set in which a straight line portion along 33 exists.

A straight line along this side wall 33 is set as a station 34, where the wagon 35 can be freely stopped. The wagon 35 consists of a storage main body 36, legs 37 hanging from its four corners, and wheels 38 mounted on the lower ends of these legs 37. It is constructed so that it can be transferred 4 into the lower part of the storage main body 36 through the space between the two.

Next, the work of removing the wagon 35 in the above embodiment will be explained.

The solid lines in FIGS. 1 and 2 indicate that the empty self-propelled trolley 1 is
It shows the state of being housed inside. At this time, the loading platform 3 is lowered, and the cable 21 is wound around the reel 20. In this state, the elevating body 13 is raised and lowered, and 1l124
It is stopped facing the target floor among A to 24E.

Then, both opening/closing fields 19 and 27 are opened to open the entrance/exit passage 18 and the communication passage 26.Then, the self-propelled trolley 1 is automatically run from the floor plate 13b to the floor 31. A pair of left and right pickup coils 9a in the sensor 9.

9b is the self-propelled trolley 1 for the tow bus wire 30.32
By detecting the lateral end position as a voltage and controlling the direction of the wheel 4 via the control device 118 so that the difference between the detected voltages of both the pink up coils 9a and 9b becomes zero,
The self-propelled trolley 1 travels along the tow bus wire 30°32. At this time, power is supplied to the self-propelled vehicle 1 via the cable 21 fed out from the reel 20, and when the self-propelled vehicle 1 reaches near the side wall 33, the cable 21 is connected to the freely rotatable roller body 29. Since it is guided by, it does not come into sliding contact with the wall 25 or the like. The self-propelled trolley 1 that is automatically traveling as described above is connected to the wagon 35 that is stopped at the station 34.
The vehicle enters below the wagon 35 and stops below the wagon 35, as shown by the imaginary line in FIGS. 1 and 2. Next, by raising the loading platform 3 by operating the lifting drive device 6, the wagon 35 is lifted off the floor 31 as shown in FIG.

By moving the self-propelled cart 1 backward, the self-propelled cart 1 supporting the wagon 35 can be moved into and out of the elevating body 13.

Note that the following sensor 9 at the rear end is activated when the vehicle is traveling backwards.

The wagon 35 supported in this manner is lowered to the target floor. At this time, the self-propelled trolley 1 travels in the same manner as described above, and the loading platform 3 is lowered at the station 34.

The tow bus wire 32 on the floor 31 side is set in various patterns, for example, as shown by the virtual line A in FIG.

As described in the above embodiment, when the cable 21 is configured to be guided by the freely rotatable roller body 29, it is possible to prevent the cable 21 from sliding against the wall body 25, etc.
Damage to the cable 21 can be minimized, and the travel route via the tow bus wire 32 can be freely set as desired.

Effects of the Invention According to the present invention having the above configuration, by raising and lowering the elevating body in which the self-propelled cart is housed, the self-propelled cart can be made to face the target floor. The self-propelled trolley is then automatically run south from the elevator, but at this time, the detection device detects the guide and is automatically controlled, so the self-propelled trolley follows a fixed route arbitrarily formed by the guide. It can run and stop at any desired station, such as near a wall. In this case, power can be supplied to the self-propelled trolley from the elevating body side via a cable, which eliminates the need for troublesome work such as battery replacement, and allows continuous operation at high frequency. Operation rate can be improved. After the objects to be transported are automatically or manually loaded and unloaded onto the self-propelled cart stopped at the station, the self-propelled cart can be returned to the elevating body by running in reverse.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, in which Fig. 1 is a cross-sectional plan view of the main part, Fig. 2 is a vertical side view of the same, Fig. 3 is a side view when lifted, and Fig. 4 is a schematic vertical cross-section of the whole. It is a diagram. 1... Self-propelled trolley, 3... Loading platform, 6... Lifting 11
Ward movement device, 7... Travel drive device, 8... Control device,
9...Following sensor (detection device ff1), 9a, 9b.
...Big up coil, 11...Elevator, 13
... Elevating body, 18... Entrance/exit path, 19... Opening/closing door,
20... Reel, 21... Cable, 23... Guide device, 24A to 24E... Floor, 26... Communication path, 27... Opening/closing door, 28... Vertical axis, 29 ... Roller body (guide body), 30, 32 ... Tow bus wire (derivative), 31 ... Floor, 33 ... Ill wall, 34
...Station, 35...Wagon. Agent Yoshihiro Morimoto

Claims (1)

[Claims] 1. Elevating bodies that can freely face each other are provided on multiple floors, and a guide is provided on each floor and inside the elevating body, and a self-propelled trolley is provided that has a detection device and a control device for these derivatives, and this self-propelled trolley and the above-mentioned Transportation equipment using an elevator, characterized in that a cable is arranged between the elevating object and the elevating object.