JP2782156B2 - Transfer truck moving device for fire prevention shutter part in sorting machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an article sorting machine,
The present invention relates to a transporting vehicle moving device of a fireproof shutter section in a sorter in which a fireproof shutter is reliably lowered at a connecting portion of a transporting vehicle when a fire occurs or the like, and the shutter is shut off.

[0002]

2. Description of the Related Art Along a predetermined loop-shaped transport path,
In a sorting machine that sorts articles by circulating and transporting mutually connected transport carts from an article supply position to a sorting and dispensing position, the transport carts are conveyed in order to stop the transport carts in the event of a fire or the like and to prevent spread of fire. A fire shutter is installed in the duct to lower the fire shutter when an emergency occurs in the event of a fire.

[0003]

However, in the transport carts to be connected, the platform for transferring the articles is located above the connecting portion, and the transport drive mechanism and the rail are located below the connecting portion. However, since the conventional fire shutter is lowered in an emergency regardless of the position of the transport vehicle, the lower edge thereof is lowered only to the transfer table, and is not blocked at a position below the connecting portion. Therefore, even if the fireproof shutter is lowered in the transport duct, the blockage of the fireproof shutter is insufficient, and it is impossible to completely prevent the spread of fire.

SUMMARY OF THE INVENTION The present invention is directed to a transportation truck moving a fire prevention shutter unit in a sorting machine in which a fire protection shutter in a transportation duct can be reliably lowered to a connection part of the transportation vehicle and a position below both sides of the connection part can be shut off. It is intended to provide a device.

[0005]

In order to achieve the above-mentioned object, the present invention provides a sorter of the present invention, in which a transporting trolley moving device for a fire-preventive shutter is provided by connecting and arranging transporting trolleys on an endless transport path. In addition, a transfer device for controlling the stop position of the transport trolley is provided separately from the transport drive, and the connecting part of the trolley is moved to the fire shutter lowering position. It is characterized in that it is made to be.

[0006]

[Function] When an emergency such as a fire occurs, the transport vehicle is stopped irrespective of its transport position. However, the transport vehicle is provided with a transport device for controlling the stop position of the transport vehicle, which is provided separately from the transport drive device. The connecting part of is set to the fire shutter lowering position. For this reason, the transport cart stops at a predetermined position even in the event of an emergency stop, so the fire prevention shutter is shaped so that it can completely shut off the inside of the transport duct except for the connection part, so the shutoff inside the duct becomes more reliable. In addition, it is possible to more effectively perform burning.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a sorting machine according to the present invention. In FIG. 1, reference numeral 1 denotes a predetermined conveyance path, which is provided with an article supply position where articles are loaded on the conveyance carriage 2 and a payout position where the articles are paid out after sorting the destination and the like. The transport vehicle 2 is desirably circulated on the path 1, and the transport vehicles 2 are arranged adjacent to each other along the transport path 1 in the front-rear direction and are connected to each other via a connecting member 23. Drive by etc.

[0008] A transport carriage 2 moved along a transport path 1
For safety and the like, the transport path 1 and the transport vehicle 2 are covered with the transport duct 3, that is, the transport path 1 is arranged in the transport duct 3, and the transport vehicle is transported in the transport duct 3. 2 to be transferred.

The carrier 2 can be of various forms, one example of which is shown in FIGS. In the carrier 2, a reaction plate 21 is provided vertically below a truck body 20 having wheels, and a pan 22 is provided on the upper portion so as to be tiltable. As shown in FIG. 8, the bogie main bodies 20 are connected to each other via the connecting member 23 so as to be circulated along the transport path 1.

Further, FIG. 9 and FIG.
As shown at 0, a fire shutter 4 is provided at a predetermined position so as to be able to move up and down. The fireproof shutter 4 is wound in the top of the transfer duct 3 and stored on the guide rails 41, 41 provided on the inner surfaces of both sides of the transfer duct 3 and at a position almost in contact with the surface of the transfer path 1. The shutter body 40 slides up and down. As shown in FIG. 9, the shutter body 40 connects the slender pieces to each other so as to be foldable similarly to a shutter provided at a normal entrance or the like, and sandwiches the connecting portion 23 of the carrier 2 at the tip. The inner surface of both sides of the lower part in the transport duct 3 is also blocked.

The position of the connecting member 23 of the transport carriage 2 which has been stopped urgently is set so that the fire prevention shutter 4 is lowered to a fixed position.
FIGS. 1 to 5 show a moving device 5 for fine-adjusting and moving the carrier 2. The moving device 5 includes a moving table 50 provided on the side of the conveying path of the conveying vehicle 2 moving on the conveying path 1 in the conveying direction, and a moving device for moving the moving table 50 in the conveying direction of the conveying vehicle 2. For example, it is composed of a pressing air cylinder 51, a pressing piece 52 protruding from the moving table 50 at a predetermined interval, and a sensor 53.

The moving table 50 is provided with a rail 54 parallel to the conveying path 1 on a base on which the conveying path 1 is provided so as to smoothly and accurately move between fixed positions.
A sliding guide 55 provided on the lower surface of the rail is slidably fitted and supported, and the moving table 50 is mounted on a rod of a pushing air cylinder 51 as a moving machine arranged along both sides or one side of the rail 54.
And a fork-shaped pressing piece 52 protrudes from a side surface of the movable platform 51 facing the transporting cart 2. The pusher piece 52 is provided at the tip of a retractable carriage 56 which can be protruded and retracted in the moving table 50 in a direction orthogonal to the transport direction of the transport carriage 2. Hook on 24.

The hauling carriage 56 is supported by a guide rail 57 provided on the movable base 50 so as to slide.

Further, on the side surface of the movable table 50 on the same side as the projecting direction of the pusher piece 52, there is provided a two-way for detecting a gap between the reaction plates 21 and 21 of the connected transport vehicle 2.
A pair of sensors 53 is provided.

The pitch between the engaging piece 24 provided on the carrier 2 and the gap between the reaction plates 21 and 21 is a predetermined interval.

Next, the operation of the mobile device will be described.
When the transport vehicle 2 circulatingly driven by the linear motor L or the like is urgently stopped due to a fire or the like, the side surface of the transport vehicle 2 at which the movable platform 50 is stopped by the operation of the pushing air cylinder 51 of the movable device next. , And moves along the side surface of the carrier 2. Thus, when the gap between the reaction plates 21 and 21 is detected by the sensor 53 of the movable base 50,
When the moving table 50 is also stopped, and then the hauling vehicle 56 is pushed toward the transporting car 2 by the air cylinder 58 for hauling, the pusher piece 52 protruding from the tip of the carriage 52 is moved to the side of the conveying car 2. Is locked with the engaging piece 24. In this case, since the pitch between the engagement piece 24 and the gap between the reaction plates 21 and 21 is determined in advance, the engagement is ensured.

Next, when the moving table 50 is moved to a predetermined position by the pressing air cylinder 51 in a state in which the pressing piece 52 is projected, the carrier 2 is moved through the pressing piece 52 and the engaging piece 24. The transportation unit 2 is forcibly moved, and the position of the connecting portion of the transportation vehicle 2 becomes the lowering position of the shutter body 40 of the fireproof shutter 4. At this position, the transportation vehicle 2 is stopped, and then the shutter body 40 of the fireproof shutter 4 is lowered. When this is done, the shutter body 40 of the fireproof shutter 4 descends at the position of the connecting portion of the transport vehicle 2 and even to the surface of the transport path 1, and the inside of the transport duct 3 can be completely shut off.

[0018]

According to the transporting trolley moving device of the fireproof shutter in the sorting machine according to the present invention, the trolley can be stopped by completely matching the position of the connecting part of the transporting trolley with the fireproof shutter lowering position. There is an advantage that it is possible to prevent the burning of the article on the carriage in the duct beforehand, and also to prevent the diffusion of smoke.

[Brief description of the drawings]

FIG. 1 is a plan view showing one embodiment of a transporting trolley moving device of a fireproof shutter unit in a sorting machine of the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is a vertical side view of the central portion.

FIG. 4 is a front view.

FIG. 5 is a front view at the time of movement.

FIG. 6 is a circuit diagram.

FIG. 7 is a front view of the transport vehicle.

FIG. 8 is a side view of the same.

FIG. 9 is an external view of a fireproof shutter.

FIG. 10 is an explanatory view when the fire shutter is lowered.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Conveying path 2 Conveying trolley 20 Bogie main body 21 Reaction plate 22 Pan 23 Connecting tool 24 Engagement 3 Conveying duct 4 Fireproof shutter 40 Shutter main body 41 Guide rail 5 Moving device 50 Moving table 51 Pressing air cylinder 52 Pusher piece 53 Sensor 54 Rail 55 Sliding guide 56 Haunting carriage 57 Guide rail 58 Air cylinder for hauling

Continuation of the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B65G 43/00 B61B 3/00

Claims (1)

(57) [Claims] 1. A transport device in which transport carts are connected and arranged on an endless transport path and are driven, and the inside of a transport duct can be shut off by a fireproof shutter. A moving device for transporting a fire prevention shutter portion in a sorter, wherein a moving device for controlling a stop position of the vehicle is provided, and a connecting portion of the vehicle is moved to a fire shutter lowering position.