JPH0625481Y2 - Telescopic cargo handling device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a telescopic loading / unloading apparatus, and more specifically, a simple structure for running and guiding one unit traveling body of the telescopic loading / unloading apparatus and its adjacent unit traveling bodies. The present invention relates to a telescopic cargo handling device.

[Prior Art] As is well known, vehicles, buildings, trolleys, and the like are equipped with a cargo handling device, and work such as transportation, stacking, and unloading of luggage is performed. Among the above cargo handling devices, there is one in which workability is further improved by making the traveling rail extendable.

Focusing on the expansion and contraction portion of the traveling rail of the cargo handling device in which the traveling rail can be expanded and contracted, as its expansion and contraction means,
The telescopic type cargo handling device of Japanese Utility Model Laid-Open No. 60-151733 has been proposed. The telescopic loading and unloading device uses a tubular body with a lower opening in the cross section as a traveling rail, and a plurality of the crossed sections are fitted by a combination of mechanical ones such as a pinion and a rack, which are fitted with each other and rotated by a prime mover or the like. The lower opening tubular body was put in and out, and the whole was expanded and contracted. However, the above-mentioned telescopic loading and unloading device has a high manufacturing cost due to the peculiarity of its shape, and it is difficult to assemble due to its structural reason, and its strength is not sufficient. A plurality of unit traveling bodies are arranged so as to be slidable with respect to each other, and the whole cargo handling apparatus is expanded or contracted by sequentially sliding these unit traveling bodies out or sliding them back. The unit traveling body is formed by integrally connecting a pair of traveling rails, which are arranged in parallel at a predetermined interval, with each other by a stopper member, and the one unit traveling body slides with respect to the adjacent unit traveling bodies. We have proposed a telescopic cargo handling device that can be used.

[Problems to be Solved by the Invention] According to the above-mentioned conventional technique, the drawbacks of the telescopic cargo handling device including the lower opening tubular body can be solved, but it is easier to manufacture and assemble, and one unit There has been a demand for a simpler traveling and guiding structure for ensuring the traveling and guideability of the traveling body and the unit traveling bodies adjacent to the inside and outside of the traveling body.

[Object of the Invention] Therefore, the object of the present invention is to provide one unit traveling body, the inside of the unit traveling body, and the inside of the unit traveling body without impairing the advantages of the telescopic loading / unloading device previously proposed by the applicant based on the above request. It is an object of the present invention to provide a telescopic type cargo handling device in which the traveling and guiding structure of the unit traveling bodies adjacent to the outer side is simplified, and moreover, manufacture and assembly are easy.

[Means for Solving the Problems] In order to achieve the above object, the present invention has the following technical means. That is, to explain with reference to the reference numerals used in the accompanying drawings corresponding to the embodiments, a plurality of unit traveling bodies A are slidably arranged with respect to each other, and these unit traveling bodies A are sequentially slid and pulled out. The cargo handling device is configured such that the entire cargo handling device is expanded and contracted by sliding and retracting. The one unit traveling body A stops a pair of traveling rails 1 arranged in parallel at a predetermined interval. right and left each of said one unit running body a _1; made by connecting integrally with member 2, at a handling apparatus which can slide with respect to the unit running body a of the unit traveling body a of this one is adjacent thereto Wheels 3a and 3b are rotatably supported on both sides of the traveling rail 1 of the vehicle, and the wheels 3a on the inner side of the traveling rail 1 are on the left and right sides of another unit traveling body A ₂ that slides inside the one unit traveling body A _1. Of the unit traveling body A 1 is slidably guided, while the outer wheels 3b are slidably guided to the respective traveling rails 1 of the left and right unit traveling bodies A ₃ located outside the one unit traveling body A _1. Has been It is telescopic handling apparatus according to claim.

[Operation] As described above, the unit traveling body A _{1 including the} wheels 3a and 3b on both sides of each of the left and right traveling rails 1 and the other unit traveling bodies A ₂ and A ₃ adjacent to the inside and outside thereof. The unit traveling bodies A ₂ and A ₃ other than the unit traveling body A ₁ having the wheels 3 a and 3 b are constituted by an I-beam-shaped traveling rail 1 and a stop member 2. Therefore, the structure is simple and, in addition, all the unit traveling bodies A have wheels 3
Since it is not necessary to attach a and 3b, it is easy to manufacture and assemble, which is more suitable for practical use.

[Embodiment] An embodiment of the present invention will be described below in detail with reference to the accompanying drawings.

1 to 3 show a first embodiment of the present invention. C in FIG. 1 indicates a box-shaped portion such as a building or a loading platform of a vehicle. A unit traveling body A ′ is arranged near the ceiling of the box-shaped portion C. The unit traveling body A ′ is formed by integrally connecting a pair of I-beam-shaped traveling rails 1 arranged in parallel at a predetermined interval by a stopper member 2, and is provided near the ceiling of the box-shaped portion C. Shaft 4 provided on the side wall
It is supported by a wheel 3c rotatably supported in a slidable manner in the direction of arrow X in the figure. Below the unit traveling body A ', there is provided a unit extending / contracting traveling body B which extends and contracts in a direction (arrow Y in the figure) orthogonal to the sliding direction of the unit traveling body A'. The unit telescopic traveling body B on both sides to the wheels 3a of the running rail 1 of the left and right respectively, the unit running body A ₁ and the unit running body inside and outside the unit running body adjacent the inner and outer A ₁ A ₂ having 3b , is composed of a _3, the inside of the wheel 3a of the running rail 1 of the left and right each unit running body a ₁ as shown in FIG. 3 is a unit traveling body a ₂ located inside of the unit traveling body a ₁ Left and right running rails 1
Outside below the upper flange portion slidably guiding the guide surface 10a, while the outer wheel 3b of the left and right respectively of the running rail 1 of a unit traveling body A ₃ located outside of the unit traveling body A ₁ of It is slidably guided to the inside upper guide surface 10b of the lower flange portion, and the unit traveling bodies A ₁ , A ₂ , and A ₃ respectively slide and expand and contract. Since it is not necessary to attach the wheels 3a and 3b to all the unit traveling bodies, it is easy to manufacture and assemble. Then, as shown in FIG. 2, the unit telescopic traveling body B is suspended and supported on the unit traveling body A ′ by the suspending member 7 provided on the unit traveling body A ₃ located on the outer side. A wheel 8 is rotatably supported by a shaft 9 on the suspension member 7, and is configured to be slidable on a flange portion below the I-beam-shaped traveling rail 1 of the unit traveling body A ′. Unit telescopic traveling unit B
Is slidably supported in the sliding direction of the unit traveling body A '(arrow X in the figure). And the said unit expansion-contraction body B is comprised. The crane girders 6 are arranged between the left and right traveling rails 1 of the unit traveling body A ₂ located at the innermost side of the unit traveling bodies A ₁ , A ₂ , and A ₃ , and the crane girders 6 are piled up and down for hoisting and the like. The sushi device 5 is attached. The crane girder 6 has a wheel 11 which is rotatably supported by a shaft 12 at both ends, is guided by the guide surfaces 10c left each of the running rail 1 of the inner units running body A _2, the rotary shaft 1
A motor 13 pivotally supporting a driving wheel 15 slides on the inside of the unit traveling body A _{2 in} the direction of arrow Y in the figure.

Next, the operation will be described.

The cargo handling device arranged in the box-shaped portion C slides in the direction of the arrow X in the figure by sliding the unit traveling body A ', and further the hanging member 7 for suspending and supporting the unit telescopic traveling body B.
Is slid under the unit traveling body A'in the direction of arrow X in the figure. Then, after sliding the unit elastic body B out of the box-shaped portion C, the unit elastic body B is expanded and contracted in the direction of the arrow Y in the figure to move the luggage to an arbitrary position inside and outside the box-shaped portion C. The stacking and unloading device 5 performs stacking and unloading.

Next, the second embodiment is shown in FIG.

In order to make the expansion / contraction length of the telescopic loading / unloading device larger, a method of increasing the length of the unit traveling body may be considered, but there is a limit depending on the use place and installation place of the telescopic loading / unloading device. Since it is received, its length is limited, so that it is more compact and it is necessary to provide a large number of unit running bodies in order to obtain a telescopic length. Therefore, in the present invention, the unit extension / contraction body B _{1 is formed by} combining the unit traveling body A ₁ having the wheels 3a and 3b on both sides of each of the left and right traveling rails 1 and the unit traveling bodies A ₂ and A ₃ adjacent to the inside and outside thereof. It is possible to increase the length of expansion and contraction by configuring the unit expansion / contraction traveling bodies B ₂ and B ₃ on the inside and outside thereof.
In this case, it is not necessary to re-process each of the left and right traveling rails 1 and only by changing the length of the stopper member 2, a telescopic loading / unloading device having a longer extension / contraction length can be configured, and the extension / contraction length can be easily increased as needed. Can be changed. Then, the loading / unloading device for loading and unloading is provided inside the unit traveling body located on the innermost side, as in the first embodiment, to load / unload the cargo.

In the above-mentioned first and second embodiments, the unit traveling bodies are illustrated as being stacked in order to make them easy to understand in the drawings, but the unit traveling bodies may be laterally arranged in a straight line and further guided surfaces The surface to be guided is not limited to the illustrated case.

[Effects of the Invention] As described in detail above, according to the present invention, the following effects are obtained, that is, according to claim 1, a unit having wheels 3a and 3b on both sides of each of the left and right traveling rails 1. The unit traveling bodies other than the traveling body are composed of the I-beam-shaped traveling rail and the stop member, so that the structure is simple, and in addition, it is not necessary to attach the wheels to all the unit traveling bodies. It is easy to assemble and is more suitable for practical use.

Further, according to the second aspect of the present invention, since the extension / contraction length can be increased by configuring a plurality of unit extension / contraction traveling bodies, it is possible to provide a more compact extension / contraction type cargo handling device, and at that time, the respective left and right traveling rails can be provided. Since it is possible to increase the number of unit telescopic traveling bodies by simply changing the length of the stopper member without the need for reworking, the telescopic length can be easily changed as needed.

[Brief description of drawings]

The attached drawings show an embodiment of the present invention, FIGS. 1 to 3 show the first embodiment, FIG. 1 is a plan view of the entire apparatus, and FIG. 2 is a line I-I 'in FIG. 3 is a cross-sectional view taken along the line
FIG. 4 is an enlarged view showing the structure of the unit telescopic traveling body in the drawing, and FIG. 4 is a sectional view showing the second embodiment. In the figure, reference numerals A ... unit traveling body, B ... unit telescopic traveling body C ... box-shaped portion 1 ... traveling rail, 2 ... stop member 3a, 3b, 3c ... wheel 4 ... shaft, 5 …… Stacking and unloading device 6 …… Crane girder 7 …… Hanging member, 8, 11 …… Wheels 9, 12 …… Shafts 10a, 10b, 10c …… Guide surface 13 …… Motor, 14 …… Rotation Axis 15: shows the drive wheels respectively.

Claims (2)

[Scope of utility model registration request] 1. A plurality of unit traveling bodies A are arranged so as to be slidable with respect to each other, and the unit traveling bodies A are successively slid and pulled out or slid and retracted so that the entire cargo handling apparatus is expanded and contracted. In the cargo handling apparatus, the one unit traveling body A is formed by integrally connecting a pair of traveling rails 1 arranged in parallel at a predetermined interval with each other by a stopper member 2. In the cargo handling apparatus in which the body A is slidable with respect to the unit traveling body A adjacent thereto, wheels 3a and 3b are rotated on both sides of each of the left and right traveling rails 1 of the one unit traveling body A _1. The wheels 3a are rotatably supported, and the wheels 3a on the inner side are supported by the unit traveling body A ₁
Another unit running body A ₂ that slides inside the vehicle
The running rail 1 of the left and right each slidably guided, while the outer wheel 3b of the left and right each another unit running body A ₃ located outside of the one unit running body A _1, the running rail 1 An extendable cargo handling device characterized by being guided slidably. 2. A unit traveling body A ₁ having wheels 3a and 3b on both sides of each of the left and right traveling rails 1 and a pair of other unit traveling bodies A ₂ and A ₃ adjacent to the inside and outside thereof. The telescopic loading / unloading device according to claim 1, wherein the unit telescopic traveling body B is configured as a plurality of units, and a plurality of sets thereof are arranged in parallel inside or outside.