JPH07415Y2 - Luggage transport escalator device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a baggage transport escalator device.

[Conventional technology]

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 here, and then transported to the first floor.

Here, a lifter, an elevator or the like has been conventionally used as a luggage carrying device between the first floor and the second floor, but this kind of carrying device has a low carrying efficiency because it carries out intermittent carrying.

[Problems to be solved by the device]

By the way, since the escalator carries out continuous transportation, the transportation efficiency is high, but when carrying out transportation using the escalator, loading and unloading of parcels into and out of the escalator is a step movement of the escalator. There is a problem of how to perform synchronization quickly and safely.

[Means for Solving the Problems]

Therefore, the present invention is a device for vertically transporting a cage with a caster roller for carrying luggage from a lower floor to a higher floor by an escalator, or vice versa, in which a lower idler sprocket disposed on the lower floor, and An upper idler sprocket arranged on the upper floor, a drive side sprocket arranged on the opposite side of the lower idler sprocket to the upper idler sprocket, and a plurality of endless chains circulated around the sprocket. A movable step and a guide rail for guiding the movable step so that the movable step moves horizontally on the upper floor between the upper idler sprocket and the drive wheel sprocket, and along the drive side spcket. Movable step to flip Loading surface end is characterized in that the drive sprocket so as to pivot without protruding above the upper floor is arranged in the lower position than the upper idler sprocket.

[Action]

With such a configuration, the cage can be carried out from the movable step in the carry-out section with a simple structure, and at the time of reversing, the rear end of the movable step turns without protruding beyond the floor level. Therefore, cost reduction and work safety can be achieved.

〔Example〕

An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is an overall perspective view thereof, FIG. 2 is a side view of FIG. 1, FIG. 3 is a sectional view taken along line III-III of FIG. 4 and 5 are plan views showing the lower carrying-in section and the upper carrying-out section of FIG. 2, respectively, FIG. 6 is a partially enlarged view of FIG. 4, and FIG. 7 is an explanatory view of the action of the bending and stretching link of FIG. , FIG. 8 is an operation explanatory view of the main part of FIG.

First, in FIGS. 1 and 2, 1 is an escalator according to the present invention, in which the escalator 1 is a horizontal lower stage carry-in LT extending vertically along the first floor and an upper stage horizontally extending vertically along the second floor. The carry-out section UT and the oblique section 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 having a caster roller at each of the 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 is formed by a pair of left and right parallel rails, each of which has tip rollers 5, 5 at its tip, and has a V-shape protrudingly provided at the bottom thereof. Lower end rollers 7 and 7 are provided at the lower ends of the leg feet 6, and the rear end of the loading surface 4 is an overhang portion that slightly projects rearward.

Here, the closed curve rail that guides the cyclic movement of the plurality of movable steps 3 includes a pair of left and right tip rollers 5 and 5 and left and right rollers 1 and 7 that guide the lower end rollers 7 and 7, respectively.
It consists of a pair of wide guide rails 8,8 and narrow guide rails 9,9.These guide rails 8,8,9,9 are assembled firmly together as a truss structure by assembling a plurality of supporting members, and the upper pedestal US,
It is installed diagonally between the lower mounts LS.

10 is a lower sprocket consisting of a pair of left and right shafts supported so that the upper end is on the first floor level, 11 is an upper sprocket consisting of a pair of left and right shafts supported so that the upper end is on the second floor level, 12 Is a drive spcket consisting of a pair of left and right shafts slightly forward of the upper sprocket 11 and slightly supported on the lower level. The drive spcket 12 is driven by a motor (not shown), but the lower sprocket 10 and the upper sprocket 11 are Each is an idler.

13 is a pair of left and right endless chains (escalator chains) that are looped around the lower sprocket 10, the upper sprocket 11, and the drive sprocket 12, and the part between the sprockets 10, 11, 12 of the endless chain 13 is wide. The guide rollers 8 extend along the guide rails 8, and the endless chains 13 are pivotally attached to the tip rollers 5 of a plurality of movable steps 3 at equal intervals.

Next, in FIGS. 4 to 5, reference numerals 15 and 16 respectively denote a lower flapper and an upper flapper, which are main members of the lower carry-in section LT and the upper carry-out section UT. Both flappers have the same structure and the vertical parallel rail section is provided. 17 and its outer quadrature is approximately equal to the cage width, and its inner quadrature is made slightly larger than the movable step width so that the movable step 3 can vertically penetrate its front part. The caster roller of the cage can run on the above-mentioned tendency rail portion 17, and both flappers 15 and 16 are arranged in a front-rear symmetrical shape in which the tips of the parallel rail portions face each other. With this arrangement, when the cage is transported from the second floor level to the first floor level, the upper flapper can serve as the upper carry-in section and the lower flapper can serve as the lower carry-out section.

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

That is, as shown in FIG. 2 and FIG. 4, the lower flapper 15 has its rear end pivotally supported by the lower pedestal LS via the horizontal shaft 18 so that its upper surface is on the first floor and is parallel to the lower flapper 15. The lower end rollers 21 of the brackets 19 projecting on the lower surfaces of the pair of left and right parallel rails 17 extending forward and near the front ends of the pair of left and right parallel spline parts 17 directly above the lower sprockets 10 are the lower sprockets.
It is in contact with a cam 22 coaxially attached to 10.

Here, since the cam 22 has two large-diameter circular arc portions and two small-diameter circular arc portions formed at substantially equal intervals, the lower flapper 15 rotates with each rotation of the lower sprocket 10 as it rotates.
The front end moves up and down, that is, flapping is performed in two splits.

Between the lower surface of the front end of the lower flapper 15 and the lower rack LS,
Upper link 23U that expands and contracts in the vertical direction by bending and stretching,
A bending / extending link 23 composed of a lower link 23L and a hydraulic cylinder 25 for bending / extending the bending / extending link 23 are provided (seventh embodiment).
Figure). Here, a long hole 24 is bored toward the upper link 23U at the pivotally connecting portions of the upper and lower links.

In FIGS. 4 and 6, reference numeral 27 denotes a pair of left and right vertically long endless chains, which are disposed on the lower pedestal LS and extend in the vertical direction on the left and right sides of the lower flapper 15 and at a slightly upper level. In the (longitudinal feed chain), the two endless chains are respectively laid around a pair of front sprockets 28 and rear sprockets 29 so that the inner parallel parts of both end leech churns circulate forward at the same speed. The rear spouts 29, 29 are driven via the motor 30, the bevel gear 31, the universal shaft 32, and the like.

A guide plate 35 is attached to each chain link on the outer side of each endless chain 27, and cage feed pawls 36 project outward from the chain links at appropriate intervals. Here, the guide plate 35 serves to guide the cage.

In the lower loading section, there are multiple switches SW1, SW2, ... for controlling loading of the cage and transfer control to the escalator.
・ SW7 (Fig. 2) is installed.

The switch SW1 is turned on by manually detecting the cage that has been introduced at the position a, whereby the vertical feed chain 27 starts moving, and its feed pawl 36 automatically feeds the cage 2 from the position a to the position b.

The switch SW3 detects that the cage 2 has arrived at the position b directly above the lower spout 10 and stops the vertical feed chain 27.

The switch SW5 detects that the bending / extending link 23 bends, and the switch SW6 detects that the bending / extending link 23 extends vertically.

SW7 is arranged at the carry-out end c of the upper-stage carry-out section UT, and when the cage stays here, it detects this and stops the escalator.

Here, the operation of the bending / extending link 23 will be described. As shown in FIG. 7 (A), the hydraulic cylinder 25 is extended and the bending / extending link 23 is bent in a dogleg shape during steady operation.
The lower flapper 15 flaps around the horizontal axis 18 by the action of the cam 22 and the roller 21, and the fulcrum pin 26
Moves reciprocally in the long hole 24 of the upper link 23U.

If the escalator's motor power is cut off for some reason, the hydraulic cylinder 25
As shown in FIG. 7B, the bending / extending link 23 becomes straight, the upper end of the long hole 24 of the upper link hits the fulcrum pin 26, and the lower flapper 15 is locked at the upper position. The switch SW6 detects the extension of the bending link and stops the operation of the vertical feeding chain of the lower loading device.

Summarizing the main actions of the escalator described above,
In the side view of the figure, first, manually enter the inlet position a of the lower loading section a.
The cage brought in is automatically sent to the position b by the vertical chain 27 and stopped there.

Next, when the movable step 3 comes directly under the cage 2 due to the operation of the escalator, the lower flapper 15 is slightly moved downward by the action of the cam and the roller, and the cage 2 is transferred onto the movable step 3.

When the movable step 3 on which the cage is placed reaches the upper unloading section, the upper flapper 16 moves slightly upward due to the action of the cam and the roller, so that the cage 2 moves away from the movable step 3 and rides on the upper flapper 16 to carry out the upper unloading. It is sent to the discharge end by the action of the vertical feed chain of the section and stops there.

The movable step after the cage is separated is the drive sprocket 12 that is located slightly below the upper sprocket 11.
Make a U-turn along and return to the lower loading section LT.

At this time, since the drive sprocket 12 is provided slightly below the upper sprocket 11, the overhang portion must turn above the level of the parallel rail portion of the upper unloading portion during a U-turn of the movable step. It is useful for work safety because it does not exist.

In the above embodiment, the lower flapper 15 performs flapping each time the cage is transferred, in order to correctly position the transfer position of the cage to the movable step and the transfer position of the cage from the movable step to the unloading portion of the cage. is there.

However, the flapping motions of the lower flapper and the upper flapper can be omitted if the slight variation in the transfer position is not taken into consideration.

In that case, the lower flapper simply acts as a fixed parallel rail portion, and the cage is transferred by riding on a movable step that rises through the parallel rail portion. In the upper flapper, when the movable step slightly descends from the highest position through the parallel rail portion, the cage on the movable step remains on the parallel rail portion and is carried out by the vertical feed chain.

According to such an embodiment, the following effects can be obtained.

(1) The circulatory motion of the movable steps of the escalator greatly increases the transportation efficiency of luggage.

(2) Due to the cooperative action of the upper and lower carry-in and carry-out parts, the labor and labor of the worker can be saved, and the carrying efficiency is dramatically increased.

(3) The upper and lower ends of the escalator can be used as both the carry-in end and the carry-out end.

(4) In addition to the cage, it can also be used for raising and lowering workers.

[Effect of device]

In short, according to the present invention, in a device for vertically transporting a cage with a caster roller for carrying luggage from a lower floor to a higher floor by an escalator, or vice versa, a lower idler sprocket arranged on the lower floor is used. , An upper idler sprocket arranged on the upper floor, a drive-side sprocket arranged on the opposite side of the upper idler sprocket from the lower idler sprocket, and an endless chain wound around each sprocket. A plurality of movable steps, and a guide rail for guiding the movable steps so that the movable steps move horizontally on the upper floor between the upper idler sprocket and the drive wheel sprockets, Movable strip that flips along The drive side sprocket is placed at a lower position than the upper idler sprocket so that the loading surface end of the upper end can rotate without protruding above the upper floor, so that a large amount of luggage can be used with a cage with casters. Therefore, the present invention is extremely useful industrially because it provides an economical baggage transport escalator device that can be transported safely, quickly, reliably and highly efficiently.

[Brief description of drawings]

1 is an overall perspective view showing an embodiment of the present invention, FIG. 2 is a side view of FIG. 1, FIG. 3 is a sectional view taken along line III-III of FIG. 2, and FIGS. The figure shows the lower loading section of Fig. 2, respectively.
FIG. 6 is a plan view showing the upper carrying-out section, FIG. 6 is a partially enlarged view of FIG. 4, FIG. 7 is an operation explanatory view of the bending and stretching link of FIG. 2, and FIG. 8 is an operation explanatory view of main parts of FIG. is there. 1 ... Escalator, 2 ... Cage, 3 ... Movable step, 4 ... Loading surface, 5 ... Tip roller, 6 ... V-shaped leg foot, 7 ... Bottom roller, 8 ... Wide guide rail, 9 ... Narrow width guide rail, 10 ... Lower sprocket, 11 ... Upper sprocket, 12 ... Drive sprocket, 13 ... Endless chain (escalator chain), 15 ... Lower flapper, 16 ... Upper flapper,
17 …… Parallel rail section, 18 …… Horizontal axis, 19 …… Bracket, 21 …… Roller, 22 …… Cam, 23 …… Bend and stretch link,
23L …… bottom link, 23U …… top link, 24 …… oblong hole,
25 …… hydraulic cylinder, 26 …… fulcrum pin, 27 …… endless chain (vertical feed chain), 28 …… front sprocket, 29 …… rear sprocket, 30 …… motor, 31 ……
Bevel gear, 32 …… Universal shaft, 35 …… Guide plate, 36 …… Feed claw, IT …… Inclination stroke part, LS …… Lower stage mount, LT …… Lower stage loading part, US …… Upper stage mount, UT …… Upper stage Carrying out section.

Claims (1)

[Scope of utility model registration request] 1. A device for vertically transporting a cage with a caster roller for transporting a luggage from a lower floor to a higher floor by an escalator, or vice versa, in which a lower idler sprocket disposed on the lower floor and the upper stage. An upper idler sprocket arranged on the floor, a drive side sprocket arranged on the opposite side of the lower idler sprocket to the upper idler sprocket, and a plurality of circulating endless chains circulated around the respective sprockets. Movable steps,
A movable step between the upper idler sprocket and the drive side sprocket, and a guide rail for guiding the movable step so that the movable step moves horizontally on the upper floor, and the movable step is reversed along the drive side sprocket. The load-carrying escalator device, wherein the drive-side sprocket is arranged at a position lower than the upper idler sprocket so that the end of the loading surface of the vehicle rotates without projecting above the upper floor.