JPH0672538A - Cargo carriage escalator system - Google Patents

Abstract

PURPOSE:To improve efficiency of an escalator for cargo carriage by transferring and placing a cargo safely, speedily and highly efficiently on a movable step provided on a wrapping link continuously driven. CONSTITUTION:Transportation of a cargo is carried out between upper and lower frames LS, US by driving an endless chain 13 with steps 3 to place the cargo by a motor, and simultaneously, smooth transfer and placing of the cargo is carried out between the steps 3 by providing an endless chain driven by the motor so as to transfer the cargo at roughly the same speed as the endless chain 13 on the upper and lower frames LS, US.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a baggage transport escalator device.

[0002]

2. Description of the Related Art For example, in a luggage sorting center, luggage collected on the first floor by a truck or the like is transported to the second floor, sorted there, and then transported to the first floor.

Here, a lifter, an elevator, etc. have been conventionally used as a baggage carrying device between the first floor and the second floor, but this kind of carrying device has intermittent carrying efficiency because of the intermittent carrying. small.

[0004]

By the way, since the escalator carries out continuous transportation, the transportation efficiency is high. However, when carrying out transportation by using the escalator, loading of goods into the escalator and escalation from the escalator are carried out. There is a problem of how to carry out the unloading work in synchronism with the movement of the step of the escalator to perform it quickly and safely.

The present invention has been proposed in view of the above circumstances, and it is possible to safely, swiftly, reliably, and reliably transfer a large amount of luggage to a step at the carry-in section by using a cage with casters. An object of the present invention is to provide an economical escalator cage loading device that can automatically and efficiently transport the escalator to the transfer position.

[0006]

To this end, the present invention provides, in a baggage transport escalator device, a lower sprocket disposed below a lower base, an upper sprocket disposed below an upper base, and the above-mentioned upper sprocket. A winding link means wound between both lower sprockets, and a step provided on the same winding link means, formed so that the luggage may be moved upward or downward in parallel while being carried, and conveyed. A first driving means for driving the winding link means, and further, the upper stage for smoothly mounting a load on one of the upper stage base and the lower stage base on the step. It is characterized by having a second drive means for moving the sprocket or the lower sprocket at a speed substantially the same as the rotational speed of the sprocket.

[0007]

According to the present invention, since the second drive means moves the load at substantially the same speed as either the upper sprocket or the lower sprocket, if the load is introduced into the second drive means, Means for moving the luggage in synchronism with the hoisting and linking means driven by the first driving means, and hoisting and linking means for hoisting the luggage on one of the upper stage base and the lower stage base. It can be smoothly placed on the steps provided in the. Then, it becomes possible to transfer the load smoothly and continuously to the steps provided in the winding link means which is continuously operated,
It is possible to quickly and efficiently transport a load on one base to the other base.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to the drawings, an embodiment of the present invention will be described. FIG. 1 is an overall perspective view thereof, FIG. 2 is a side view of FIG.
2 is a plan view of an essential part of FIG. 2, FIG. 4 is a block diagram showing a concept of control, and FIG. 5 is an operation explanatory view of a main part of FIG.

First, in FIGS. 1 and 2, 1 is an escalator according to the present invention. The escalator 1 is a horizontal lower stage carry-in section LT extending vertically along a first floor and a vertical direction along a second floor. Upper unloading unit UT that extends horizontally
And a tilting portion IT that is inclined between them and extends in the vertical direction are integrally assembled.

Reference numeral 2 denotes a plurality of upright cube-shaped cages carried by the escalator 1, each of which has caster rollers at four corners of the bottom surface.

Reference numeral 3 denotes a plurality of movable steps of the escalator 1. The upper end loading surface 4 has a pair of left and right parallel rollers 5, 5, and a lower end of a V-shaped leg foot 6 projecting from the lower end of the parallel rollers 5 and 5. It has rollers 7 and 7, and the rear end of the loading surface 4 is an overhang portion that projects slightly rearward.

Here, the closed curve rail for guiding the cyclic movement of the plurality of movable steps 3 is the right and left 1 of each movable step 3.
The guide rails 8 and 9 are composed of a pair of left and right wide guide rails 8 and 8 and a pair of narrow guide rails 9 and 9 for guiding the pair of front end rollers 5 and 5 and the bottom end rollers 7 and 7, respectively.
8, 9, 9 are firmly assembled as a truss structure through a plurality of supporting members and are obliquely provided between the upper stage mount US and the lower stage mount LS.

Numeral 10 is a lower sprocket consisting of a pair of left and right shafts which are pivotally supported so that their upper ends are on the first floor level.
Reference numeral 2 is a drive sprocket consisting of a pair of left and right shafts which are not supported by the upper sprocket and are pivotally supported slightly below the second floor level. 10 is an idler.

A pair of left and right endless chains (escalator chains) 13 are looped around the lower sprocket 10 and the drive sprocket 12, and each sprocket 10, 11, 12 of the endless chain 13 is a chain.
The portions in between extend along the wide guide rails 8, respectively, and the endless chains 13 are provided with the front end rollers 5 of the plurality of movable steps 3 at equal intervals.
The endless chain 13 forms a winding link means.

Next, in FIGS. 2 and 3, reference numerals 15 and 16 denote a lower base and an upper base, which are main members of the lower carry-in section LT and the upper carry-out section UT, respectively, and both bases have the same structure. It has a parallel rail portion 17, its outer quadrature is approximately equal to the cage width, and its inner quadrature is slightly smaller than the movable step width so that the movable step 3 can penetrate its front part in the vertical direction. It is made large so that the caster rollers of the cage can run on the parallel rails 17, and both bases 15 and 16 are arranged in a symmetrical shape in which the tips of the parallel rails face each other. There is.

With such an arrangement, when the cage is transported from the second floor level to the first floor level, the upper base can be the upper carry-in section and the lower base can be the lower carry-out section.

For the sake of convenience of description, the lower stage carry-in section will be mainly described below.

In FIGS. 2 and 3, 27 is the lower base 15.
On the left and right sides of the vehicle and at a slightly upper level, the lower stage LS
And a pair of left and right vertically long endless chains (longitudinal feed chains) arranged in the same horizontal plane and vertically extending in the same horizontal plane so that inner parallel portions of both endless chains 27 circulate forward at the same speed. The chain is wound around a pair of front and rear sprocket 28 and rear sprocket 29, respectively.
Is the second driving means, the motor 30, the bevel gear 3
1, driven via the universal shaft 32 and the like.

Next, based on FIG. 4, a motor M1 for driving the movable step 3 and a motor M for driving the endless chains 27, 27 provided in the lower loading section LT (FIG. 1).
2 and the control technique of the motor M3 that drives the endless chain (not shown) provided in the upper carry-in section UT will be described.

In FIG. 4, VR is a movable resistor that serves as an operating unit for switching the speed of each motor stepwise, K is a speed setter, I is an inverter, and C1 to C3 are motors M1 and M1 provided in a sprocket part or the like. A tuning device for detecting the rotational positions of M2 and M3 and outputting a rotational position signal, S1 and S2 are connected to the tuning devices C1 to C3 and serve as the first driving means. The rotational position signal of the motor M1 and the second driving means. Motor M
2 and M3 rotational position signals are introduced to synchronize the rotational positions (rotational speeds) of the motors M2 and M3 with the rotational position (rotational speed) of the motor M1 as a reference. Thus, the control signal for increasing / decreasing the rotation speed is fed back to the motors M2, M3.

By controlling the motors M1, M2 and M3 in this way, the parallel endless moving the cage 2 on the lower floor manually and synchronously moving vertically along both sides of the cage introducing plate. The feed claws 36 projecting oppositely to the chains 27, 27 at equal intervals hit the lower rear end of the gauge 2 to convey the cage 2 forward at the same speed as the moving speed of the movable step 3.

That is, when there is no relative speed for the forward movement of the cage 2 and the movable step 3 and the cage is transported to the transfer position in that state, the movable step 3 rises from below the cage 2. The cage 2 can be accurately transferred to a prescribed position on the movable step upper surface 4.

To summarize the main actions of the escalator described above, in the side view of FIG. 8, first, the cage manually brought into the lower loading section inlet position a is automatically moved by the continuously rotating transport chain 27. Sent to position b.

In this state, the movable step 3 rises from below the cage, and the cage is transferred to the prescribed position on the upper surface 4 of the movable step with high accuracy.

When the movable step 3 on which the cage is mounted comes to the upper unloading portion, the cage 2 is separated from the movable step 3 and rides on the vertical parallel rail 17 of the upper pedestal 16 to continuously rotate the upper conveying section. It is sent to the discharge end and stopped there by the action of the carrying chain.

The movable step after the cage is separated is
Make a U-turn along the drive sprocket 12 and make a lower entry L
Return to T.

At this time, since the drive sprocket 12 is provided slightly below the second-floor floor level, the overhang portion of the drive sprocket 12 goes above the level of the parallel rail portion of the upper unloading portion and moves upward above the U-turn of the movable step. Since it does not turn, it is useful for work safety.

According to such an embodiment, the following effects can be obtained. Due to the circulatory motion of the movable steps of the escalator, the transportation efficiency of luggage is greatly increased.

By the cooperation of the upper and lower carrying-in and carrying-out parts, the labor and labor of the worker can be saved and the carrying efficiency can be dramatically increased.

The upper and lower ends of the escalator can be used as either the carry-in end or the carry-out end.

[0031]

In summary, according to the present invention, by providing the second drive means, the load can be moved at substantially the same speed as the moving speed of the movable step, and the load can be provided on the winding link that is continuously operated. When transferring a load from the carry-in section to a movable step, the load can be automatically carried to the escalator transfer position accurately, safely, quickly, reliably and efficiently at the specified position of the movable step. INDUSTRIAL APPLICABILITY The present invention is extremely useful in the industry because it provides an economical escalator device for cargo transportation.

[Brief description of drawings]

FIG. 1 is an overall perspective view showing an embodiment of the present invention.

FIG. 2 is a side view of FIG.

FIG. 3 is a plan view of an essential part of FIG.

FIG. 4 is a block diagram showing the concept of control of the present invention.

FIG. 5 is an explanatory view of the operation of the main part of FIG.

[Explanation of Codes] 1 Escalator 2 Cage 3 Movable Step 4 Loading Surface 5 Tip Roller M1 Motor (First Driving Means) M2 Motor (Second Driving Means) M3 Motor (Second Driving Means) IT Inclination Step LS Lower gantry LT Lower unloader US Upper UT UT Upper unloader

Claims (1)

[Claims] 1. A lower sprocket arranged below the lower base, and an upper sprocket arranged below the upper base.
A winding link means wound between the upper and lower sprockets, and a step provided on the winding link means so that the luggage can be moved upward or downward in parallel while being carried. And a first driving means for driving the winding link means, and further, in order to smoothly place the load on one of the base and the lower base on the step. A luggage transport escalator device having a second drive means for moving the sprocket of either the upper sprocket or the lower sprocket at a speed substantially the same as the rotational speed of the sprocket.