JPH1045257A - Cargo handling device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To drive and load a cargo by the operation in a driver's seat by providing a carrying conveyor, a lateral conveyor, a device for changing the cargo transfer direction, a transfer plate, a taking arm, the essential part of a front end arm, the rotating part of the front end arm, and a cargo pushing hardware. SOLUTION: A cargo 14 is sent to a lateral conveyor 18 through a carrying conveyor 17 and a transfer direction changing conveyor device 19 by the operation in a driver's seat 2a. Front end arms 9a, 9b are advanced to push the cargo 14 juxtaposed through pushing hardwares 12a, b, and the cargo is brought into contact with a transfer plate 21 stood on the front side with a prescribed pressing force to neatly arrange the longitudinal arranged state. A truck 2 and a series of conveyors 17, 18, 19 are then moved to the position corresponding to the cargo 14. As the front end arms 9a, b are in the state of pressing the cargo 14, the truck 2 is retreated according to the pushing quantity of the front end arms 9a, b. Thus, the transfer plate 21 is drawn from the lower surface of the cargo 14 as the cargo 14 remains in a prescribed position, whereby the loading is completed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention transfers various types of cargo, such as cartons and drums, manufactured in factories or stored in distribution warehouses, etc., to transport means such as containers and freight vehicles, and stacks them. The present invention relates to a cargo loading device. In addition, it can be used as a cargo removal device by replacing the cargo removal attachment.

[0002]

2. Description of the Related Art FIG. 8 is a plan view of a conventional cargo handling device, and FIG. 9 is a side view of the same device. This apparatus has been disclosed by the present applicant in Japanese Patent Application No. Hei 6-2111056, "Cargo Unloading Apparatus".
This is an apparatus for carrying out (unloading) cargoes transported by freight transportation means such as containers and freight vehicles from the transportation means to the outside. As shown in the figure, the apparatus is provided with an elevating device on a column 3 erected on a carriage 2 configured to be able to travel in an arbitrary direction via a traveling wheel 1, and moves up and down on an elevating frame 4 of the elevating device. A take-out arm 7 configured to be capable of retreating and parallel movement in the vertical direction, and a front end arm 9 (comprising portions denoted by reference numerals 9a and 9b) fixed to the tip of the take-out arm 7 and attached to the front end arm 9. The cargoes 14 loaded on the cargo transporting means 16 are successively carried out to the outside, that is, onto the traverse conveyor 18 via the cargo supporting means 30 provided, and are further transported by the transporting conveyor 17 toward a predetermined storage location such as a warehouse. It is designed to be transported. Reference numeral 5 denotes a take-out arm support, 6a and 6b denote jacks, and 32 denotes a take-out arm telescopic cylinder. In addition, loaded cargo 1
There are provided a carton attachment having a vacuum pad 31 as a cargo support means 30 for moving the 4 onto the traverse conveyor 18 and other attachments of various shapes which can be attached to and detached from the front side of the front end arm 9.

[0003] All of the above-mentioned various cargo taking-out means can be driven by operating a control panel of a cab 2 a provided on the truck 2. The front end arm 9 to which the attachment (cargo support means) 30 for taking out the cargo 14 having the vacuum pad 31 and the like is fixed is constituted by two divided sets.
The portion 9b located on the conveyor 17 can be swung and stored backward. Further, the lateral feed conveyor 18 is configured so that the front end (container side) can swing up and down by a predetermined amount (angle) by expansion and contraction of the cylinder or the jack 13. Based on the above configuration, the trolley 2 provided with the column 3 for supporting the lifting frame 4 and the lifting and lowering of the take-out arm 7, the movement in the front-rear direction, the parallel movement in the vertical direction, the raising / lowering of the lifting device to which the take-out arm 7 is attached. In the arbitrary direction, the cargo support means 30 at the forefront end of the take-out arm 7 can be engaged with all the cargoes 14 in various stacked states.

[0004] Next, the cargo removal operation will be described.
First, the carriage 2 is set to move to a predetermined position, and the take-out arm 7 is set.
Arm 9 and cargo support means 30 attached to the front end of the vehicle
With this function, a plurality of cargoes or a plurality of cargoes arranged in the width direction of the cargo transportation means 16 such as a container are collectively taken out and transferred onto the horizontal conveyor 18. Subsequently, the movable side 9b of the front end arm 9 is rotated and retracted, and the transport conveyor 17 is moved.
After forming the transfer path upward, the cargo on the front end conveyor 18 is sequentially moved to the transport conveyor 17 and further sent out to a storage location such as a warehouse. Thereafter, by repeating the same operation, all the cargo 14 can be taken out from the container, the freight vehicle, or the like as the transportation means. In this apparatus, the transfer surface for transferring the cargo can be set to be substantially horizontal by the rotation raising / lowering function of the horizontal feeding conveyor 18, so that the cargo 14 does not drop from the front end conveyor 18 and can be stably taken out and carried out. .
All of the above-mentioned conventional cargo unloading facilities are specially made so that only cargo is unloaded (unloaded) from the freight transportation means 16 such as containers, freight vehicles, and the like, and have various problems described below.

[0005]

As described above, the conventional cargo handling device is designed to take out the cargo transported by the container or the freight vehicle to the outside, that is, only the unloading operation, and various types of cargo handling devices are used. Attachments to be attached to the front end arm and conveyors for transporting cargo were all designed to be carried out to the outside.

Until now, there has been no dedicated device for transferring and loading cargo from a factory or warehouse to a cargo transportation means.
After being transported to the cargo transportation means by various conveyors and the like, it was necessary to rely on the method of stacking by hand manually. Therefore, loading heavy and large quantities of cargo not only takes time, but also imposes heavy labor on the workers.

[0007] The present invention proposes to solve these problems, and an object thereof is to provide a cargo handling device capable of loading cargo and a cargo handling device capable of loading and unloading cargo.

[0008]

SUMMARY OF THE INVENTION The present invention has solved the above-mentioned problems, and has a cargo handling device provided between a cargo accumulation place such as a warehouse or a factory and a cargo transportation means such as a container or a freight vehicle. The present invention relates to a cargo handling device having the following features.

(1) A transport conveyor for transporting cargo between the cargo accumulation location and the cargo transport means, and a transverse conveyor orthogonal to an end of the transport conveyor and having one side edge directed toward the cargo transport means. A device for changing the cargo transfer direction at an orthogonal portion between the transport conveyor and the traverse conveyor,
A transfer plate that engages with the side edge of the traverse conveyor on the side of the cargo transportation means and rotates about the engagement portion, a take-out arm that is equipped on a trolley and expands and contracts, and corresponds to the transportable length of the traverse conveyor. The length of the main part of the front end arm attached perpendicular to the front end of the take-out arm, the length of the main part of the front end arm located on the conveyor and having a length corresponding to the width of the conveyor It has a rotating part of a front end arm that rotates around a vertical pin provided at an end portion on the side of the conveyor, and a cargo push-in bracket attached to a main part and a rotating part of the front end arm via a spring or the like. The above devices are driven by operation in a driver's seat to load cargo.

(2) In the cargo handling apparatus described in the above item (1), the main body of the front end arm and the push-in bracket attached to the rotating portion, and the side edge of the traverse conveyor on the side of the cargo transportation means are related. The transfer plate attached so as to fit together was configured as a detachable attachment, and by attaching a cargo removal attachment such as a vacuum suction pad, both operations of loading and unloading cargo were enabled.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The cargo handling device described below is a cargo removal device (Japanese Patent Application No. Hei 6 (1994) -19781) filed earlier by the present applicant.
2111056), in particular, to enable loading of cargo from warehouses and factories to containers and freight vehicles as freight transport means, and also to be able to take out cargo from freight vehicles and the like, which is a function conventionally provided. It is proposed for the purpose. The driving operation of each part is configured to be performed by an operation panel in a cab 2a provided on a truck of the cargo handling device.

FIG. 1 is a plan view of a cargo handling apparatus according to one embodiment of the present invention, and FIG. 2 is a side view of the same apparatus. The cargo handling device includes a lifting frame 4 of a lifting device provided on a column 3 of a truck 2 that can travel back and forth via traveling wheels 1.
The support 5 is fixed to the support 5 and two sets of jacks 6 are mounted on the support 5.
a, 6b are attached and the jack 6 supports the front and rear end joints with the take-out arm 7 with pins and links, so that the take-up arm 7 can be moved up and down and rotated.

FIGS. 3A and 3B are views of the front end of the take-out arm in the above embodiment, wherein FIG. 3A is a plan view, and FIG. 3B is a cross-sectional view taken along the line PP of FIG. As shown in FIG. 3, the cargo push-out portion attached to the tip of the take-out arm 7 has a front end arm 9 (consisting of two parts denoted by reference numerals 9a and 9b) extending over substantially the entire width direction of a container or the like as the cargo transport means 16 as shown in FIG. And a push-in fitting 12a, 1 on the front side of the front end arm 9 via a guide bar 10 and a compression spring 11.
2b.

FIG. 4 is a plan view of a cylinder section for rotating the front end arm movable section 9b in the above embodiment. As shown in FIG. 4, the front end arm 9 is
And two parts 9a and 9b joined by vertical pins at positions corresponding to the connection portions of the horizontal feed conveyor 18, and the front end arm 9b swings and rotates by the expansion and contraction of the cylinder 8, and the push-in fitting 12b At the same time, it can be set to move to two positions, a solid line and a dashed line in the figure.

Referring again to FIG. 3, the front end arm 9 includes
A sensor 15 for detecting retreat of the push fitting 12 due to a reaction force from the cargo 14 is provided, and a position detection signal from the sensor 15 is fed back to the cab 2a.

FIGS. 5A and 5B are views of a conveyor in the apparatus of the above embodiment, wherein FIG. 5A is a plan view and FIG. 5B is a side view. As shown in FIG. 5, the conveyor section of the present embodiment includes a transport conveyor 17 spanned between the warehouse and the freight transport means 16, and a horizontal section orthogonal to the transport conveyor 17 and opposed to the freight transport means 16. It comprises a feed conveyor 18 and a conveyor device 19 for changing the transfer direction of the cargo 14 at an orthogonal engagement portion between the transport conveyor 17 and the lateral feed conveyor 18. Further, a transfer plate 21 that swings up and down via a fulcrum shaft 20 is attached to the traverse conveyor 18 or to the cargo transportation means 16 side extending from the traverse conveyor 18 to the transfer direction changing conveyor device 19. The transfer plate 21 can be set at two positions, that is, a position substantially perpendicular to the upper surface of the transverse feed conveyor 18 and a position substantially in the horizontal direction that forms a plane with the upper surface by the expansion and contraction operation of the cylinder 22. In the drawing, reference numeral 23 denotes a positioning plate that regulates the outermost end of the cargo 14 in the transport direction of the transverse conveyor 18. Various types of mechanisms can be considered as the mechanism of the transfer direction changing conveyor device 19 employed in the present device.

FIGS. 6A and 6B are diagrams of a first example of a transfer direction changing conveyor device provided at an engagement portion between the transport conveyor 17 and the lateral feed conveyor 18, wherein FIG. 6A is a plan view, and FIG. FIG. In this example, a plurality of rolls 24 rotating in the cargo transfer direction of the conveyor 17 stretched in the warehouse direction and a plurality of endless Vs located in the middle of the rolls 24 and traveling in the axial direction of the rolls 24.
The pulley 26b at the outer end of the V-belt 25 is provided with a belt 27 (or a chain conveyor) by means of expansion and contraction of a cylinder 27 (or jack) around the shaft of the opposite pulley 26a. It can be moved up and down by a fixed amount. When the cylinder 27 contracts, the upper surface of the V-belt 25 (or chain conveyor)
It is set to be slightly lower than the upper side surface of the roll 24. Cargo 14 sent from conveyor 17
Is conveyed to the transfer direction changing conveyor device 19 via the roll 24, and is then sent out onto the horizontal feed conveyor 18 by changing the conveying direction by swinging up of the V-belt 25.

FIG. 7 is a plan view of a second example of the transfer direction changing conveyor device. In this example, the transfer direction changing conveyor device 19 is provided with a turntable 29 having a plurality of rolls 28 which are supported at the same height as the rolls of the transport conveyor 17 and the rolls of the lateral feed conveyor. By changing the direction of the roll 28 provided by rotating the turntable 29 horizontally by 90 degrees,
The transfer direction can be made to correspond to the cargo transfer direction of the transport conveyor 17 or the traverse conveyor 18 for the purpose.

The rolls and the like of the transport conveyor 17, the lateral feed conveyor 18, and the transfer direction changing conveyor device 19 are configured to be driven via motors, chains, sprockets and other rotation transmitting means (not shown). .

Next, an operation of loading the cargo in the apparatus having the above-described configuration will be described. As the initial setting of the apparatus, first, the front end arm 9 and the rotating part 9b of the push-in fitting 12,
12b is rotated and stored in a predetermined position (9b ', 12b' in FIG. 4), and a transfer route of the cargo 14 from the transport conveyor 17 to the transfer direction changing conveyor device 19 is secured, and the transfer mounted on the traverse conveyor 18 is secured. The mounting plate 21 is erected substantially vertically (at a position 21 'in FIG. 5B). With the above setting, the cargo 14 conveyed from the warehouse side is sent to the transfer direction changing conveyor device 19 via the transfer conveyor 17, and then the transfer direction is changed to the side-to-side conveyor 18 side at the same part, where it is placed on the side-to-side conveyor 18. Sent out to afterwards,
The cargo 14 is moved to the other end along the transfer plate 21 using the transfer plate 21 as a guide, contacts the positioning plate 23 and stops. Subsequently, the next cargo 14 similarly sent in contact with the preceding cargo 14 and stops. Thereafter, by repeating the same operation, the traverse conveyor 18 and the transfer direction changing conveyor device 1
When 9 is full, the next cargo supply is stopped.

Next, the front end arm 9b is swung and returned to the original position, and the front end arms 9a and 9b and the push-in fitting 12 are moved.
a and 12b are set linearly. Then the front end arm 9
The parts a and 9b are advanced to push out the parallel cargoes 14 through the push-in fittings 12 and come into contact with the transfer plate 21 erected on the front side with a predetermined pressing force, thereby aligning the front and rear arrangement. In this state, the cart 2 and a series of conveyors 1
7, 18, and 19 are moved up and down, forward and backward, and moved to the predetermined position corresponding to the cargo 14 previously stacked on the floor of the transportation means 16 or the cargo 14 previously stacked. Next, the transfer plate 21 is tilted in the horizontal direction, the rear end arm 9 is moved forward along the upper surface of the cargo loading position, the cargo 14 is moved on the transfer plate 21, and the cargo 14 is moved to the predetermined loading position. Extrude until Subsequently, the front end arm 9 moves the carriage 2 backward in accordance with the pushing amount of the front end arm 9 while the cargo 14 is being pushed. As a result, the cargo 14 remains in the predetermined position while the transfer plate 21
Is removed from the lower surface of the cargo 14 to complete the loading. Note that the sensor 15 is used to push out the cargo 14 by the front end arm 9.
When the cargo 14 is caught by something and the pushing force becomes excessive, this is detected and the pushing operation is stopped.

Thereafter, the carriage 2, the front end arm 9 and the like are moved to the next loading start position, and the transfer plate 21, which has become free by transferring the cargo 14, is raised in the vertical direction, and the front end arm 9b is swung. And move it back and forth, form a loading route for the next lot, and
4 is transferred. Hereinafter, the same operation is repeated and the cargo 14 sequentially sent is transferred to a freight transportation means 16 such as a container or a freight vehicle.
I will load it inside. This device is a fitting 1
2. By changing the shape of the transfer plate 21, the cargo 14 in a box shape (carton), a drum shape, and various other forms is provided.
It is possible to correspond to. Note that the mounting of the transfer plate 21 may be omitted for some cargoes 14 such as boxes.

The cargo handling apparatus of the present invention is further characterized by a push fitting 12 attached to the front end arm 9 in order to expand not only loading of the cargo 14 but also versatility.
Can be replaced with a vacuum pad or other cargo support means 30 described in the section of the prior art (FIGS. 8 and 9).
Further, the rotation direction of the roller group of the front end conveyor 18 and the transport conveyor 17 can be reversed. (Not shown) With the above configuration (setting change), it can also be used as a device for taking out cargo from cargo transporting means 16 such as a container, similarly to the conventionally proposed one. Although the cargo handling device according to the present invention is configured and functions as described above, various methods other than those exemplified above can be employed for the operation procedure, timing, and the like. Also, the transfer plate 21
May be omitted at the time of cargo removal setting. The present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the present invention.

[0024]

The cargo handling device according to the present invention is constructed as in the above-mentioned embodiment, and can obtain the following effects. (1) A plurality of cargoes arranged side by side in the lateral direction of the apparatus can be collectively transferred (loaded) from a traverse conveyor into a transport means such as a container by the function of a pushing fitting attached to the front side of the front end arm. (2) Since the transfer direction changing device is provided at the orthogonal portion between the transport conveyor provided between the factory or warehouse and the transportation means such as a container and the transverse conveyor, the transportation of the cargo via both conveyors is stabilized. (3) Since the transfer plate is provided on the cargo discharge side of the traverse conveyor, the problem of sliding on the container floor or on the preceding loaded cargo when transferring the cargo into the container is eliminated, and the cargo is not damaged. . In addition, since a step can be reduced with respect to the cargo mounting surface, stable loading can be performed. (4) By raising the transfer plate described in the preceding paragraph, the sequentially loaded cargo can be aligned on the front end conveyor, and the transfer to the transportation means and the stacked state can be stabilized. (5) It is possible to cope with various shapes of cargo by replacing and exchanging the push-in fittings mounted on the front end arm and the transfer plate of the traverse conveyor. (6) Since the push-in fitting is replaced with a cargo removal attachment such as a vacuum pad or a hook, not only loading of cargo but also use as a conventional cargo removal device is achieved, so that versatility is enhanced.

[Brief description of the drawings]

FIG. 1 is a plan view of a cargo handling device according to an embodiment of the present invention.

FIG. 2 is a side view of the device of the embodiment.

3A and 3B are diagrams of a front end portion of a take-out arm in the device of the embodiment, wherein FIG. 3A is a plan view and FIG. 3B is a cross-sectional view of FIG.

FIG. 4 is a plan view of a cylinder section for rotating a movable section of a front end arm in the apparatus of the embodiment.

5A and 5B are diagrams of a conveyor in the apparatus according to the embodiment, wherein FIG. 5A is a plan view and FIG. 5B is a side view.

FIG. 6 is a diagram of a first example of a transfer direction changing conveyor device in the device of the embodiment, (a) is a plan view,
(B) is an AA cross-sectional view of (a).

FIG. 7 is a plan view of a second example of the transfer direction changing conveyor device in the device of the embodiment.

FIG. 8 is a plan view of a conventional cargo handling device.

FIG. 9 is a side view of the same device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Running wheel 2 Cart 3 Support 4 Elevating frame 5 Support base 6 Jack 7 Take-out arm 8 Cylinder 9 Front end arm 10 Guide bar 11 Compression spring 12 Push-in fitting 13 Cylinder 14 Cargo 15 Sensor 16 Cargo transportation means (container, cargo vehicle) 17 Transport Conveyor 18 Lateral feed conveyor 19 Transfer direction changing conveyor device 20 Support shaft 21 Transfer plate 22 Cylinder 23 Positioning plate 24 Roll 25 V belt 26 Pulley 27 Cylinder 28 Roll 29 Turntable 30 Cargo support means 31 Vacuum pad 32 Extraction arm telescopic cylinder

Claims (2)

[Claims] Claims: 1. A cargo handling device provided between a cargo accumulation place such as a warehouse or a factory and a cargo transportation means such as a container or a freight vehicle, wherein the cargo is transported between the cargo accumulation place and the cargo transportation means. Conveyor, a transverse feeder that is orthogonal to the end of the transfer conveyor and one side edge of which is installed toward the cargo transportation means, a device that changes the direction of the cargo transfer in the orthogonal portion between the transfer conveyor and the transverse transfer conveyor, A transfer plate that engages with the side edge of the feed conveyor on the side of the cargo transport means and rotates about the engagement portion, a take-out arm that is provided on a bogie and expands and contracts, and a length corresponding to the transportable length of the lateral feed conveyor. A main part of the front end arm orthogonally attached to the front end of the take-out arm, having a length corresponding to the width of the conveyor, and being located on the conveyor, Of the front end arm that rotates around a vertical pin provided at the end of the main conveyor on the side of the conveyor, and the cargo attached to the main portion and the rotation portion of the front end arm via a spring or the like, respectively. A cargo handling device comprising a push-in fitting, wherein the above devices are driven by operation in a driver's seat to load cargo. 2. A push-in fitting attached to a main portion and a rotating portion of the front end arm, and a transfer plate attached so as to be engaged with a side edge of the traverse conveyor on the side of the cargo transport means are detachable. 2. The cargo handling system according to claim 1, wherein both the loading and unloading operations of the cargo are enabled by mounting the cargo attachment attachment such as a vacuum suction pad or the like as a simple attachment. apparatus.