JPH0597216A - Slope device for guiding carriage - Google Patents

Abstract

PURPOSE:To utilize a slope device for various rotational racks by individually fixing a slope device to a floor surface, at a point where a carriage is unloaded, on a rotational rack for carriage, without linking a pair of right and left slope units for guiding carriage together into an integrated form. CONSTITUTION:A slope device 10S is provided on a point where a carriage is unloaded, set on a U-turn part in a horizontal circulation route, through which a plurality of carriage supporting boards 2 are circulated and moved, while the slope device is provided with a pair of right and left slope units 26, 27 for guiding carriage, which are connected to each entrance part 25a of each of a pair of right and left carriage wheel guiding grooves 25 provided on a supporting board main body 17 of each of the carriage supporting boards 2. The slope units 26, 27 are fixed to a floor surface F individually, without being linked together into an integrated form. The slope units 26, 27 are formed out of grounding plates 26a, 27a and of slope main body parts 26b, 27b welded thereupon, respectively, while an anchor is stricken into a point corresponding to a long hole 28 for inserting bolt, and a bolt 29 is screwed into the anchor, and is fastened and fixed, and the anchor is thus mounted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a trolley rack for a trolley in which a plurality of trolley supports are movably supported on a horizontal circulation path, and in particular, the trolleys from the floor to the trolley side at the unloading position of the trolley. Or, it relates to a trolley guide slope device for guiding from the trolley side to the floor side.

[0002]

2. Description of the Related Art FIGS. 6 and 7 show a conventional example.
A trolley loading / unloading position is provided at the center of the U-turn portion of the horizontal circulation path 1, and a trolley guiding slope device S as a step is provided at this trolley loading / unloading position to move the trolley from the floor to the trolley support base 2. The wheels of the carriage are guided by this slope device when the carriage is transferred and when the carriage is unloaded from the carriage support 2. Then, this slope device S
Is one in which a pair of left and right slopes B, B are integrally fixed on the board A at intervals corresponding to the intervals between the left and right bogie wheel guide grooves C, C provided on the bogie support 2. The tips of the slow throwers B and B form inclined end surfaces E that are obliquely cut so as to be substantially parallel to the rotational movement path D of the tips of the carriage support bases 2 in the U-turn portion. The slope device S is installed so that the front end inclined end surface E of each slope B forms a constant parallel gap with the inlet end surface of each carriage wheel guide groove C.

[0003]

In the structure in which a pair of left and right slopes are connected and integrated at a fixed interval, as in the conventional trolley guide slope device described above, rotation of the trolley support base depends on the type of trolley. If the radius or the spacing between the left and right bogie wheel grooves is different, or if the radius of rotation of the rack drive chain or the like is different, the inclined end faces of the slope tips of the slope device and the rotational movement path of the tip of the support base 2 are correspondingly changed. , The parallelism between them, and the distance between the left and right slopes also differ, so it is necessary to manufacture a dedicated slope device for each type of trolley, that is, for each type of carousel, and the manufacturing cost Was very expensive. Therefore, it is an object of the present invention to enable a single type of slope device to support a large number of types of carousels.

[0004]

SUMMARY OF THE INVENTION The present invention is a slope device for guiding a bogie at a bogie loading / unloading position in a bogie carousel that supports a plurality of bogie supports so as to be movable on a horizontal circulation path. A pair of left and right carriage guide slopes connected to respective entrances of the pair of left and right carriage wheel guide grooves of the carriage support are individually fixed on the floor surface without being connected and integrated with each other. To do.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. In FIGS. 1 and 2, reference numeral 1 is a horizontal circulation path of a carriage support base 2 along which the horizontal circulation path 1 extends. And a lower endless guide rail 3 for support made of a round pipe material and an upper endless guide rail 4 for steady rest made of a channel material are provided. Further, a pair of upper and lower endless guide rails along the horizontal circulation path 1 are provided. Drive chains 5 and 6 are stretched. A bogie loading / unloading position P is set near one side of both U-turn portions in the horizontal circulation path 1, and a slope device 10S is provided at the bogie loading / unloading position P.

The guide rails 3 and 4 are attached to a frame 7 located inside the horizontal circulation path 1, and the drive chains 5 and 6 are toothed wheels 8 and 9 axially supported at both ends of the frame 7. It is hung between the tooth spaces and the teeth 10 and 11. Of the toothed wheels 10 and 11 for hanging the lower drive chain 6, one toothed wheel 10 is attached to the frame 7 via the bracket 12 and is attached to the rotary shaft 13a of the motor 13 with a speed reducer in a downward protruding state. Directly attached, the other toothing 1
1 and the toothed wheel 9 located above the toothed wheel 1 are attached to the upper and lower ends of a rotating shaft 14 which is vertically supported by the frame 7, and the remaining toothed wheel 8 is concentric with the rotating shaft 13a of the motor 13 in the frame 7. Vertical rotation shaft 1 supported in a cantilevered state
It is attached to the lower end of 5.

As shown in FIGS. 3 and 4, each carriage support 2 includes a vertical moving frame 16 and an L-shaped support body 1.
7, the movable frame 16 is a rectangular frame-shaped body in which the upper and lower ends of the left and right side frames 18 whose front side surfaces are slightly inclined are connected and integrated by the connecting members 19 and 20,
A pair of left and right vertical shaft rollers 21 for steadying is axially supported on the upper connecting member 19, the upper endless chain 5 is fixed, and a lower connecting member 20 is provided with a pair of left and right supporting horizontal shaft flanged wheels 22. The lower endless chain 6 is fixed while being pivotally supported. Also, the support base body 17
Is composed of a vertical wall portion 23 detachably attached to the front side of the moving frame 16 and a trolley support portion 24 extending forward from the lower end of the vertical wall portion at a right angle. The trolley support portion 24 has a pair of left and right trolley wheels. A guide groove 25 is provided, and an inlet portion 25a of each carriage wheel guide groove 25 is formed wide.

The moving frame 16 of each of the carriage supporting bases 2
As shown in FIG. 4, the upper steady vertical shaft roller 21 is fitted into the upper steady endless guide rail 4, and the lower supporting horizontal shaft flanged wheel 2 is used.
2 is fitted on the lower supporting endless guide rail 3 so as to be movably supported in the horizontal circulation path 1, and the upper and lower endless drive chains 5 and 6 are connected to the moving frames 1 respectively.
By connecting the upper and lower connecting members 19 and 20 of 6 at equal intervals, the moving frames 16 are connected endlessly. Then, the vertical wall portion 23 of the support base body 17 is connected and fixed to the side frame 18 of the moving frame 16 on the front side of each moving frame 16, and the trolley support base 2 is assembled. At this time, the support base body 1
When the rear side surface of the vertical wall portion 23 of 7 abuts on the inclined front side surfaces of the left and right frames 18 on the moving frame 16 side, the L-shaped supporting base main body 17 is inclined at a predetermined angle, and the supporting base main body with respect to the moving frame 16. The carriage support 24 of 17 is inclined forward by a predetermined angle.

The slope device 10S according to the present invention is
As shown in FIGS. 1 and 3 to 5, a pair of left and right carriage guides connected to the respective inlet portions 25a of the pair of left and right carriage wheel guide grooves 25, 25 provided in the support base body 17 of the carriage support base 2. The single slopes 26, 27 are individually fixed on the floor surface F without being connected and integrated with each other.
Each trolley guide slope unit 26, 27 has a base plate portion 26a, 27a made of a metal plate, and a slope main body portion 26b formed by press molding of the metal plate and fixed to the base plate portions 26a, 27a by welding or the like. , 27b, and the tip ends of the slope body portions 26b, 27b form inclined end surfaces 26c, 27c having a constant inclination angle with respect to a right-angled transverse cross section that crosses the length direction of the slope body. Further, long holes 28 for inserting bolts are provided on both sides of the leading end of each plate portion 26a, 27a. Further, as shown in FIG. 3, each of the slope body portions 26b, 27b is formed such that the left-right width on the front side thereof becomes gradually wider than the left-right width on the front end side.

Therefore, the pair of left and right slopes 2
At the time of mounting the carriages 6 and 27, first, at the carriage loading / unloading position P, both the slope units 26 and 27 are respectively called to the carriage loading / unloading position P as shown in FIG. Left and right truck wheel guide groove 2
5, 25, and the sloped end surfaces 26c, 27c of the slope body portions 26b, 27b have inlet portions 25a, 25a of the carriage wheel guide grooves 25, 25.
Arrange them so that they are parallel to the end face with a certain gap. With this arrangement, each slope unit 2 on the floor
An anchor (not shown) is driven into a position corresponding to the bolt insertion long holes 28 of 6, 27, and the bolts 29 inserted through the respective bolt insertion long holes 28 are screwed into the anchors for fastening and fixing. In this case, since each slope unit 26, 27 can be swung left and right around the tip of the bolt 28 while the bolts 28 are loosened, and can be moved slightly back and forth, the gap and Fine adjustment of parallelism can be performed.

As shown in FIG. 3, the pair of left and right slope units 26 and 27 are provided with transparent photoelectric switches 30 for intrusion detection at two front and rear positions, respectively.
Reference numeral 0 is composed of a light projector 31 and a light receiver 32 provided inside both slope main bodies 26a. This photoelectric switch 30
The operator can use both slopes alone 2 when loading and unloading the cart.
Since it is dangerous to step into the horizontal circulation path 1 from between 6 and 27, when an operator mistakenly presses the foot G as shown in the figure, it is detected and an alarm is issued by a buzzer or a lamp. Is becoming

FIG. 4 shows a usage state of the above-described slope device 10S. That is, a specific trolley support 2 is called to the trolley loading / unloading position P, and the load carrying hand truck 33 is placed on the trolley support 2 or the load carrying hand truck 33 is unloaded from the trolley support 2. When doing the work
This slope device 10S is used as a step. At the time of transfer of the load-carrying hand truck 33 onto the carriage support base 2,
The wheels (usually free wheels) 34 at the four corners of the bottom of the hand truck 33 are a pair of left and right truck wheel guide grooves 2 of the truck support 2.
When the hand-push truck 33 is completely fitted in the vehicle 5, and the push-pull truck 33 is completely transferred, the locking device (not shown) is activated to lock the push-pull truck 33 on the truck support base 2.

As described above, in the slope device 10S, the pair of left and right bogie guiding slopes 26 and 27 are individually fixed on the floor surface without being integrated with each other. The present invention can be applied to many types of carousels in which the radius of rotation of the bogie support, the distance between the wheel grooves of the left and right bogies, or the width of the grooves differ depending on the type. For example, the trolley support is a trolley support 35 shown by phantom lines in FIG.
Even when the radius of gyration, the width of the left and right wheels, the gap between the wheel grooves of the left and right carriages, etc. are of a type considerably smaller than that of the support base 2 shown by the solid line in FIG.
7 according to the arrangement of the carriage support base 35,
As shown by the phantom lines in the figure, the mounting angle, the clearance, etc. are positioned, and the device can be easily and easily installed.

Further, in this slope device 10S, the slope main bodies 26b and 27b of the slope units 26 and 27 are formed such that the left and right width on the front side thereof becomes gradually wider than the left and right width on the front end side. Even if the front end portions of the 26 and 27 are angle-adjusted to swing the front end portions to the left and right, it does not hinder the introduction of the truck wheels into the slope body portions 26b and 27b.

[0015]

According to the slope device of the present invention, a pair of left and right carriage guide slopes connected to the respective entrances of the pair of left and right carriage wheel guide grooves of the carriage support are separately provided without being connected to each other. Since it is configured to be fixed to the floor surface individually, the positional relationship between both slopes is free until they are fixed to the floor surface. Therefore, even if the turning radius of the bogie support or the space between the left and right bogie wheel grooves differs depending on the type of the bogie, or the turning radius of the rack drive chain or the like differs, the different turning radius and bogie wheel grooves Since it is sufficient to position both slopes individually by appropriately moving them forward and backward or to the left and right or adjusting the angle according to the spacing, it is possible to apply one type of slope device to many types of trolleys and racks. Significant cost reduction can be achieved.

Further, since the left and right slopes can be individually positioned as described above, it is possible to perform desired clearance adjustments and angle adjustments of the tips of the respective slopes with respect to the carriage support base, and thus smooth movement of the carriage. It will be possible.

Further, by providing a transmission type photoelectric switch for detecting an intrusion between the pair of left and right bogie guiding slopes, safety of work can be ensured, and the detection switch is a transmission type. Since it is a photoelectric switch, there is an advantage that the cost of the switch can be reduced.

[Brief description of drawings]

FIG. 1 is a plan view of a rotating rack for a truck equipped with a slope device.

FIG. 2 is a side view of the above.

FIG. 3 is an enlarged detailed plan view showing a part of FIG. 1 in an enlarged manner.

FIG. 4 is a partial vertical cross-sectional side view showing a slope device, a hand truck, and a truck support at a truck loading / unloading position.

FIG. 5 is a perspective view showing one side of a single slope forming the slope device.

FIG. 6 is a plan view showing a slope device in a conventional carousel rack.

FIG. 7 is a perspective view of a conventional slope device.

[Explanation of symbols]

 1 Horizontal circulation path P Car unloading position 2 Car support 25 Car wheel guide groove 25a Car wheel guide groove entrance 10S slope device 26 Slope unit 27 Slope unit 30 Transparent photoelectric switch for intrusion detection

Claims (2)

[Claims] 1. A slope device for guiding a bogie at a bogie loading / unloading position in a bogie carousel, which supports a plurality of bogie supports so as to be movable on a horizontal circulation path, and a pair of left and right of the bogie supports. A pair of left and right carriage guide slopes connected to the respective entrances of the carriage wheel guide groove are fixed individually on the floor surface without being integrally connected to each other. 2. The trolley guide slope device according to claim 1, wherein the pair of left and right trolley guide slope units is provided with a transmission type photoelectric switch for detecting an intrusion between the slope units.