JPH09151089A - Raising/lowering carrying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To inexpensively provide a raising/lowering carrying device which can simultaneously perform transfer work for a carrying object between an upper stage and an intermediate stage and between the intermediate stage and a lower stage in carrying object transferring support parts of upper and lower three stages different in a vertical interval. SOLUTION: An upper side carrying object support part 18 capable of being raised and lowered between a lower side level and an upper side level and a lower side carrying object support part 19 whose position is fixed, are arranged in a raising/ lowering body 8 to be raised and lowered between a lowering limit level D and a raising limit level. In carrying object transferring support parts 1 to 3 of upper and lower three stages, when the raising-lowering body 8 exists on the lowering limit level D and the upper side carrying object support part 18 exists on the lower side level, an intermediate stage carrying object transferring support part 2 and a lower stage carrying object transferring support part 3 are connected to the carrying object support parts 18 and 19, and when the raising-lowering body 8 exists on the raising limit level and the upper side carrying object support part 18 exists on the upper side level, the intermediate carrying object transferring support part 2 and an upper stage carrying object transferring support part 1 are connected to the carrying object support parts 18 and 19.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transfer operation of an object to be transferred between an upper transfer path and a middle transfer path among three upper and lower transfer paths, and a middle transfer path and a lower transfer path. The present invention relates to an elevating / conveying device capable of simultaneously carrying out a transfer operation of an object to be transferred to / from a transfer path.

[0002]

2. Description of the Related Art In this type of lifting and lowering transport device, when the vertical intervals between the respective upper and lower transfer paths in the upper and lower three transfer paths are equal, the vertical interval between the respective upper and lower transfer paths is set in one elevator. When the object support portions are arranged in upper and lower two stages at equal vertical intervals, and when the elevator is raised to the ascending limit level, the upper and middle transport paths support the upper and lower two stages of the object to be transported. When the lifting / lowering body is lowered to the lower limit level, the middle-stage transport path and the lower-stage transport path may be connected to the upper and lower two-stage object support portions of the lift body.

[0003]

However, if the vertical intervals between the respective upper and lower conveying paths in the upper and lower three conveying paths are different, the elevating and conveying apparatus having the above-described structure cannot be used, and the upper and lower conveying apparatuses cannot be used. An elevating / conveying device for transferring a transferred object between the conveying route of (1) and the intermediate conveying route,
An elevating / conveying device for transferring an object to be conveyed between the middle conveying route and the lower conveying route is required, and the facility cost is too high to be practical.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to provide an elevating / conveying device capable of solving the above-mentioned conventional problems, and the means will be referred to by the reference numerals of the embodiments described later. In addition, the upper and lower three stages of the support portions 1 to 3 for transferring the transferred objects, which are arranged at different vertical intervals, the vertically movable body 8 which is supported so as to be vertically movable, and the vertically movable body 8 First elevating and lowering means 14 for elevating and lowering between the lower limit level D and the upper limit level U, and the upper and lower 2 provided on the elevating body 8.
1 and 2 of the two upper and lower stages of the transported object support portions 18 and 19 (the lower transported object support portion 19) are fixed to the lifting body 8. And the other (upper transported object support portion 18).
Is a lower level L and an upper level H with respect to the lifting body 8.
And a second lifting drive means 28 for lifting and lowering the lifted and transported object support 18 between the lower level L and the upper level H. The upper and lower three-stage transferred object transfer support portions 1 to 3 are
When the elevating body 8 is at the lower limit level D and the elevating and lowering object support portion 18 is at one of both upper and lower levels (lower level L), the middle stage object transfer support portion 2 and the lower step. The transported object transfer support portion 3 is connected to the upper and lower two-stage transported object support portions 18 and 19 of the elevating body 8, and the elevating body 8 is at the upper limit level U and supports the elevating and lowering object. When the section 18 is at the other of the upper and lower levels (upper level H), the middle-stage transferred object transfer supporting section 2 and the upper-step transferred object transfer supporting section 1
And are connected to the upper and lower two-stage conveyed object support portions 18 and 19 of the lifting body 8.

In carrying out the above-described apparatus of the present invention, the lifting / lowering body 8 is lifted and lowered by a carriage 10 for supporting a lower supported object supporting portion 19 and an upper and lower carriage 9 for supporting an upper transferred object supporting portion 18. And a chain 11 that connects both lifting carriages 9 and 10.

Further, among the two upper and lower stages of the object supporting portions 18, 19 provided on the elevating body 8, the lower object supporting portion 19 is a fixed object supporting portion, and the upper object receiving portion 18 is a fixed object supporting portion. The object support part 18 is used as a lifting / lowering transferred object support part, and the upper transferred object transfer supporting part 1 and the middle transferred object transfer support in the upper and lower three transferred object transfer supporting parts 1-3. The vertical interval H1 between the upper and lower parts is set to be higher than the vertical interval H2 between the middle stage transferred object transfer support part 2 and the lower transferred object transfer support part 3 by the lifting / lowering transferred object support part 18. The size can be increased by the distance between the upper and lower levels H and L that move up and down.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION A preferred embodiment of the present invention will be described below with reference to the accompanying drawings. In FIGS. 1, 2, and 6, reference numeral 1 is an upper stage object transfer support portion, and 2 is an intermediate stage. The transported object transfer support portions 3 and 3 are lower transported object transfer support portions. Then, the upper stage transferred object transfer support portion 1 and the lower stage transferred object transfer support portion 3 each have a carriage 4 which is an object to be transferred.
Guide rails 5 and 7 that support the
Two guide rails 6a and 6b for movably supporting the dolly 4 are laid on the middle-stage transported object transfer supporting portion 2, and the upper-stage transported object transferring support portion 1 and the middle-stage transported object transferred portion are supported. The vertical distance H1 between the loading support portion 2 and the vertical loading distance H2 is greater than the vertical spacing H2 between the middle-stage transported object transfer support portion 2 and the lower-stage transported object transfer support portion 3.

Reference numeral 8 denotes an elevating body, and an upper elevating carriage 9, a lower elevating carriage 10, and a chain 11 for suspending the lower elevating carriage 10 from the upper elevating carriage 9.
It is composed of Reference numerals 12a and 12b denote a pair of left and right elevating guide columns that support the elevating body 8 (both upper and lower elevating carriages 9 and 10) in an elevating manner, and a counterweight 13 is loosely fitted in the middle between them. Reference numeral 14 denotes a first elevating and lowering drive means for elevating and lowering the elevating / lowering body 8 between a lowering limit level D shown in FIG. 1 and an ascending limit level U shown in FIG. It is composed of a fishing bottle type chain 15 which suspends the counterweight 13 at its end, and a motor 16 which drives a drive tooth wheel which suspends the chain 15 to rotate forward and backward. It is mounted on the pedestal 17 that has been installed.

An elevating / carrying object support portion 18 is disposed on the upper elevating carriage 9 of the elevating / lowering body 8, and the lower elevating carriage 1 is provided.
At 0, a fixed transported object support portion 19 is arranged. The lifting / lowering transferred object supporting portion 18 is connected to the guide rail 5 of the upper transferred object transferring support portion 1 and the guide rail 6a of the middle transferred object transferring support portion 2 when the lifting / lowering body 8 is moved up and down. 20 is provided, and the fixed transported object supporting portion 19 is provided with the lifting body 8
By moving up and down, the guide rails 6b of the middle-stage transported object transfer support portion 2 and the guide rails 7 of the lower-stage transported object transfer support portion 3
It is provided with a guide rail 21 connected to and. As shown in FIG. 3, the guide rails 20 of the lifting / lowering transported object support portion 18 and the guide rails 21 of the fixed transported object support portion 19 are two guides of the middle stage transported object transfer support portion 2. The positions of the rails 6a and 6b are displaced in the horizontal direction according to the distance between the rails 6a and 6b.

As shown in FIGS. 3 to 5, upper and lower carrying carriages 9 of the lifting and lowering body 8 are provided with lifting guide rails 22 on both left and right sides thereof. An elevating platform 25, which is engaged only in a vertical direction, is supported via 23 and a horizontal steadying guide roller 24. The elevating platform 25 is applied to a lower level L and an upper stopper 27, which are received by a lower stopper 26. A second elevating and lowering drive means 28 for vertically moving between the contacting upper level H is also provided. In the second lifting drive means 28, the piston rod 29a is coupled to the lifting platform 25 by the support shaft 30a, and the cylinder body 29b.
Is composed of a pair of left and right cylinder units 29 connected to the upper lift carriage 9 by a support shaft 30b.

The upper and lower carriages 9 and 10 are
A pair of left and right, upper and lower two-stage front-and-back steady guide rollers 32 that fit in the outer grooves 31 of the lifting guide columns 12a and 12b, and left and right that fit in the grooves 33 on the front side of the lifting guide columns 12a and 12b. It is provided with a pair of upper and lower two-stage steady guide rollers 34.

To explain the method of use, as shown in FIGS. 1 and 2, the chain 15 of the first driving means 14 is driven by the motor 16 to lower the lifting body 8 to the lower limit level D, and as shown in FIG. As shown by the solid line, the lifting / lowering platform 25 in the upper lifting / lowering carriage 9 is attached to the cylinder unit 2
Lower level L supported by lower stopper 26 by 9
As shown in FIG. 1, the guide rail 20 of the transferred object support portion 18 in the upper lift carriage 9 is connected to the guide rail 6a of the middle transfer object transfer support portion 2 by lowering the upper lift carriage 9 to the upper lift carriage 9. Along with
The guide rail 21 of the transported object support portion 19 in the lower lift carriage 10 is connected to the guide rail 7 of the lower stage transported object transfer support portion 3.

In such a state, for example, the guide rail 2 of the transported object support portion 18 in the upper lift carriage 9 is provided.
The trolley 4 supported by 0 is transferred to the guide rail 6a of the middle-stage transported object transfer supporting portion 2 and is supported by the guide rail 21 of the transported object supporting portion 19 in the lower lift carriage 10. The dolly 4 can be transferred to the guide rail 7 of the lower transferred object transfer support portion 3.

Further, as shown in FIG. 6, the first driving means 14
The chain 15 is driven by the motor 16 to raise the lifting body 8 to the lifting limit level U, and the lifting platform 25 in the upper lifting carriage 9 as shown by the phantom line in FIG.
6 is raised by the cylinder unit 29 to the upper level carriage H, which is in contact with the upper stopper 27, with respect to the upper lift carriage 9, as shown in FIG.
0 is connected to the guide rail 5 of the upper stage transferred object transfer supporting portion 1, and the guide rail 21 of the transferred object supporting portion 19 in the lower lifting carriage 10 is a guide of the middle stage transferred object transferring support portion 2. Connect to rail 6b. In other words, the lifting stroke of the lifting platform 25 in the upper lifting carriage 9, that is, the interval between the upper and lower levels H and L, is determined by the upper transfer target transfer support 1 and the middle transfer transfer support 2.
And a vertical interval H1 between them and the middle-stage transferred object transfer support portion 2
It is configured so as to be equal to the difference between the vertical interval H2 between the lower stage transferred object transfer support portion 3 and the lower stage transported object transfer support portion 3.

In such a state, for example, the carriage 4 on the guide rail 5 in the upper stage transferred object transfer supporting portion 1 is transferred onto the guide rail 20 of the transferred object supporting portion 18 in the upper lifting carriage 9, and The carriage 4 on the guide rail 6b in the middle stage transferred object supporting portion 2 can be transferred onto the guide rail 21 of the transferred object supporting portion 19 in the lower lift carriage 10.

By the above-mentioned lifting and lowering work, the work (carriage 4) of the upper stage transferred object transfer supporting portion 1 is transferred to the middle stage transferred object moving support portion 2, and the middle stage transferred object is transferred. It is possible to simultaneously perform the work of transporting the transported object (the trolley 4) of the mounting support portion 2 to the lower stage transported object transfer support portion 3. Of course, the sending side and the receiving side of the transported object (truck 4) can be reversed from the above work.

Further, the elevating body 8 is composed of two upper and lower elevating carriages 9 and 10 and a chain 11 connecting them, but it may be composed of a single integrated carriage. Further, the lower transported object support portion 19 can be configured to be movable up and down, and the upper transported object support portion 18 can be fixed to the lifting body 8. In addition, the upper transfer target transfer support portion 1
Up-and-down distance H1 between the middle stage object transfer support 2
Can be smaller than the vertical distance H2 between the middle-stage transported object transfer support portion 2 and the lower-stage transported object transfer support portion 3.

[0018]

According to the elevating / conveying apparatus of the present invention that can be implemented as described above, the upper and lower transfer object transfer supporting portions and the middle step in the upper and lower three transfer object transfer supporting portions having different vertical intervals. Transferring the transferred object between the transferred object support section,
The transfer operation of the transferred object between the middle-stage transferred object transfer supporting portion and the lower-stage transferred object transfer supporting portion is performed from one elevating body including upper and lower transferred object supporting portions. It can be performed simultaneously by the up-and-down conveying means. Therefore, an elevating / conveying device for carrying out the transfer operation of the transferred object between the upper transfer object transfer support part and the intermediate transfer target transfer support part, and the intermediate transfer target transfer support part. The equipment cost can be significantly reduced as compared with the case where an elevating / conveying device for transferring an object to be transferred between the upper and lower transfer object transfer supporting portions is required.

According to the second aspect of the invention, one large lifting body can be manufactured by dividing it into a plurality of parts, which can be transported to the site for assembly, so that the entire apparatus can be easily assembled. Not only that, but by adjusting the length of the chain connecting the upper and lower lift carriages, the upper and lower two-stage transferred objects in the lifting body can be adjusted in accordance with the intervals between the upper and lower three-stage transferred objects supporting portions. The reference interval between the supporting portions can be easily adjusted.

According to the third aspect of the present invention, it is possible to dispose the lower stage transferred object transfer supporting portion on the floor surface and to make the height of the entire apparatus low. You can

[Brief description of the drawings]

FIG. 1 is a front view of a state in which a lifting body is lowered to a lower limit level.

FIG. 2 is a side view in the same state.

FIG. 3 is a partially cutaway side view showing a detailed structure of a lifting body.

FIG. 4 is a vertical sectional side view of an upper lifting carriage.

FIG. 5 is a cross-sectional plan view of the lifting carriage.

FIG. 6 is a front view showing a state where the lifting / lowering body is lifted to a lift limit level.

[Explanation of symbols]

 1 Upper-stage transported object transfer support part 2 Middle-stage transported object transfer support part 3 Lower-stage transported object transfer support part 4 Truck (transported object) 5 Guide rail 6a Guide rail 6b Guide rail 7 Guide rail 8 Lifting body 9 Upper lifting carriage 10 Lower lifting carriage 11 Chain 12a Lifting guide column 12b Lifting guide column 13 Counterweight 14 First lifting driving means 15 Fishing bottle type chain 16 Chain drive motor 18 Lifting transported object support 19 Fixed transported Object support 20 Guide rail 21 Guide rail 22 Elevating guide rail 25 Elevating mount 26 Lower stopper 27 Upper stopper 28 Second elevating drive means 29 Cylinder unit

Claims (3)

[Claims] 1. A top and bottom 3 arranged with different vertical intervals.
A multi-stage transferred object transfer support section, an elevating body supported so as to be able to ascend and descend, a first elevating drive means for elevating and lowering the elevating body between a lower limit level and an upper limit level; An upper and lower two-stage transported object support portion provided on the body, and one of the upper and lower two-stage transported object support portions is a fixed transported object support portion fixed to the elevating body. , The other is
An elevating and lowering object support part capable of elevating and lowering between the lower level and the upper level with respect to the elevating body, and elevating and lowering the elevating and lowering object support part between the lower level and the upper level. Second lifting / lowering driving means is provided, and in the upper and lower three-stage transferred object transfer supporting portions, the lifting / lowering body is at a lower limit level, and the lifting / lowering transferred object supporting portion is in one of upper and lower levels. At some time, the middle-stage transferred object transfer support portion and the lower-stage transferred object transfer support portion are connected to the upper and lower two-stage transferred object support portions of the elevating body, and the elevating body is at the upper limit level. In addition, when the lifting / lowering transported object support portion is at the other of the upper and lower levels, the middle-stage transported object transfer support portion and the upper-stage transported object transfer support portion are the upper and lower two-stage transported objects of the lifting body. Lifting / conveying device that connects to the object support. 2. The elevating body comprises an elevating carriage for supporting a lower transported object supporting portion, an elevating carriage supporting an upper transported object supporting portion, and a chain connecting both elevating carriages. The elevating / conveying apparatus according to Item 1. 3. Among the two upper and lower stages of transported object support portions provided on the lifting body, the lower transported object support portion is a fixed transported object support portion, and the upper transported object support portion is It is an elevating and lowering transferred object support part, and a vertical interval between the middle stage transferred object transfer support part and the upper stage transferred object transfer support part in the three upper and lower transferred object transfer support parts is 2. The vertical distance between the middle-stage transferred object transfer support section and the lower-stage transferred object transfer support section is larger by the distance between the upper and lower levels at which the elevating and lowering transferred object support section moves up and down. The elevating / conveying device according to 2.