JP3030314U - Traveling unloading device - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To unload an object to be unloaded, which is loaded on a bed of a truck, in a wide range of unloading places in a short time. SOLUTION: This unloading device is provided with a traveling carriage 20 capable of reciprocating along an unloading place 18 set over a required range. The traveling carriage 20 is mounted on a rail 22 laid along the unloading place 18, and can be moved by a motor built in the carriage 20. Also, trolley 20
A support portion 24 having a swivel mechanism 26 is provided on the base member 10. The pedestal 10 provided on the upper surface of the support portion 24 is tiltably provided by a hydraulic cylinder 22. Then, the traveling vehicle 20 is moved along the rails 22 while the freight vehicle 14 is transferred to the traveling vehicle 20, and the vehicle 20 is stopped when the vehicle reaches the desired unloading place 18. At this position, the unloading work from the truck 14 is completed via the turning mechanism 26 and the hydraulic cylinder 22.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 The present invention relates to a traveling type unloading device, and more specifically, after moving a pedestal on which a cargo truck carrier is mounted to a predetermined unloading place, the pedestal is tilted to be loaded on the cargo carrier. The present invention relates to a traveling-type unloading device configured to drop an unloading object that has been dropped into a wide area in a short time.

[0002]

[Prior art]

 At steel manufacturing manufacturers, scraps such as iron scraps used as raw materials to be melted in an arc furnace are transported by a scraper by a freight car and then unloaded from the motor vehicle to a unloading place and stocked. . When the scrap is magnetic scrap, a so-called riff mag crane using a large electromagnet is used for the scrap, and a bulldozer is used for the scrap when the scrap is non-magnetic.

[0003]

[Problems to be solved by the device]

 In the above-mentioned scrap unloading work, the amount that can be unloaded at one time by the Rifmag crane that magnetically adsorbs magnetic scrap is smaller than the total amount of scrap loaded on the cargo bed of a freight vehicle. In other words, the amount that a riff mag crane can unload in a single operation is about 2 tons at maximum due to its adsorption capacity, but in contrast to this, a large-sized model of a type that pulls a loading platform (trailer) with a towing vehicle (tractor). A freight car carries about 30 tons of scrap. Therefore, when unloading a scrap truck from a large freight vehicle, the riff mag crane must be reciprocated at least 15 times, which is a problem that requires a lot of time and labor. In addition, as it takes time to unload one freight car, when unloading scrap, many freight cars loaded with scrap unload the work for a long time. There is a possibility that it will be in a state where there is a situation that the operating rate of the freight vehicle decreases. Incidentally, non-magnetic scrap, which uses a bulldozer for unloading work, also had the same problem as described above.

Further, if the scraps are unloaded only at one unloading place, the unloaded scraps are gradually piled up, so that the capacity of the unloading place is limited in a short time. Will be reached. For this reason, conventionally, it has been attempted to increase the scrap storage capacity by transporting scrap unloaded from a freight car to another location by using a conveyor or other transportation device. However, in this case, a transporting device is required in addition to a device for unloading the cargo truck, which causes a problem of increased cost.

[0005]

[The purpose of the device]

 In view of the above-mentioned drawbacks, the present invention has been proposed in order to suitably solve this, and it is possible to quickly load an object to be unloaded on a cargo bed of a freight vehicle to a wide range of unloading places in a short time. An object of the present invention is to provide a traveling type unloading device capable of unloading.

[0006]

[Means for Solving the Problems]

 SUMMARY OF THE INVENTION In order to overcome the above-mentioned problems and preferably achieve the intended purpose, the present invention provides a traveling type unloading device for discharging an object to be unloaded, which is loaded on a bed of a freight vehicle, to a unloading place. A traveling carriage that is capable of self-propelled along the unloading place, a pedestal that is tiltably disposed on the traveling carriage, and on which the freight vehicle or a luggage carrier is mounted, the pedestal in a horizontal position and a tilted position. An actuator that tilts between the two, and a stopper that is arranged on the pedestal and that engages with the lorry or the cargo bed mounted on the pedestal to prevent the trolley from slipping off. With the loading platform mounted and engaged with the stopper, the traveling vehicle is caused to travel to a predetermined unloading location, and then the actuator is urged to tilt the pedestal to the tilting position, thereby Loaded on a table And that the unloading was characterized by being configured for dropping released in unloading location.

[0007]

[Embodiment of device]

 Next, a traveling type unloading apparatus according to the present invention will be described below with reference to the accompanying drawings, with reference to preferred embodiments.

As shown in FIG. 2, the traveling type unloading apparatus according to the embodiment includes a traveling carriage 20 capable of reciprocating along an unloading place 18 set over a required range. . A plurality of wheels 42 are arranged below the traveling carriage 20, and the wheels 42 are movably mounted on rails 22 and 22 laid along the unloading place 18. The traveling vehicle 20 is configured to be able to move to the desired unloading place 18 along the rails 22 and 22 by rotationally driving the wheels 42 by a built-in motor (not shown).

As shown in FIG. 1, a supporting portion 24 having a required height is rotatably disposed above the traveling carriage 20, and the supporting portion 24 is disposed on the carriage 20. It is configured to rotate horizontally via the turning mechanism 26. The turning mechanism 26 includes a large-diameter gear 28 formed on a lower outer peripheral surface of the support portion 24, and a small-diameter gear 30 rotatably arranged on the traveling carriage 20 so as to mesh with the large-diameter gear 28. It is composed of a motor 32 which is arranged on the traveling carriage 20 and which can drive the small-diameter gear 30 to rotate forward and backward. By driving the motor 32 in the forward and reverse directions, the support portion 24 horizontally rotates with respect to the traveling carriage 20 via the small-diameter gear 30 and the large-diameter gear 28, so that the pedestal 10 described later can be swung. .

On the upper surface of the support portion 24, a pedestal 10 made of a plate material having a length dimension sufficient to mount the cargo bed 16 of the truck 14 is tiltably arranged. That is, the lower surface of the pedestal 10 in the vicinity of one end (front end) in the longitudinal direction is provided with two clevis 44, 44 (only one is shown) disposed on the upper surface of the support portion 24 at positions separated by a required distance. It is mounted so that it can be tilted. In addition, a support beam 34 made of H steel is disposed on the lower surface spaced from the mounting position of the pedestal 10 to the other end (rear end) by the required distance so as to extend in the width direction. The pedestal 10 is horizontally positioned with the support beam 34 in contact with the upper surface of the support portion 24. The width dimension of the pedestal 10 is set to be slightly smaller than the dimension of the support portion 24 in the corresponding direction.

Here, the freight vehicle 14 shown in the embodiment is a tractor-trailer combination vehicle of a type in which a cargo bed (trailer) 16 is detachably connected to a towing vehicle (tractor) 15 and is towed. The pedestal 10 is set to a size capable of mounting the loading platform 16 separated from the towing vehicle 15.

A gate-shaped frame member 40 having an opening size set up so as to surround the pedestal 10 without interfering with the cargo bed 16 placed on the pedestal 10 is provided at a substantially center of the pedestal 10 in the longitudinal direction. There is. Further, hydraulic cylinders 12, 12 as actuators are arranged on both sides of the pedestal 10 in the width direction at a position corresponding to the frame member 40 of the support portion 24. The cylinder bottom of each hydraulic cylinder 12 is rotatably attached to a clevis 46 disposed on the support portion 24, and the piston rod 12a thereof is rotatably attached to the vertical portion 40a of the frame member 40. . Then, by urging both hydraulic cylinders 12 and 12 at the same time, the pedestal 10 is tilted between the horizontal position (solid line position in FIG. 1) and the tilt position (two-dot chain line position in FIG. 1). Configured. The frame member 40 functions to improve the rigidity of the pedestal 10 and to prevent the load platform 16 from tipping over when the pedestal 10 is tilted to the tilt position.

As shown in FIG. 1, a stopper 36 that extends vertically upward is provided at the front end portion of the pedestal 10 (on the lower end side of the tilt in the tilted position). The stopper 36 does not interfere with the rear end of the cargo carrier 16 of the cargo vehicle 14 in abutting engagement with the stopper 36 and prevent the scrap 11 from sliding down from the rear opening of the cargo carrier 16 when the pedestal 10 is tilted. Dimensioned to height.

At the starting end positions of the rails 22 and 22, there is arranged a guide table 48 for mounting the cargo bed 16 of the freight vehicle 14 on the pedestal 10 facing the horizontal position. The guide bar 48 has a slope 48 a. The height position of the continuous horizontal planes 48b is set so as to substantially coincide with the upper surface of the pedestal 10 facing the horizontal position.

[0015]

[Operation of the embodiment]

 Next, the actual use of the traveling type unloading apparatus according to the embodiment will be described. The traveling carriage 20 is stopped and positioned at the loading platform mounting position near the guide platform 48. At this time, the pedestal 10 arranged on the support portion 24 is positioned at a horizontal position, and its rear end is directed to the guide base 48 with its longitudinal direction aligned with the traveling direction of the traveling carriage 20. It is in the standard posture. With respect to the unloading device in this state, the freight vehicle 14 is moved backward on the guide base 48 toward the pedestal 10 to transfer the pallet 16 from the rear end of the pedestal 10. Then, the freight vehicle 14 is stopped at the position where the rear end portion of the luggage carrier 16 is engaged and abutted with the stopper 36, and the luggage carrier 16 is separated from the towing vehicle 15. At this time, the loading platform 16 is extended by extending the support legs 50, 50 (only one is shown) on both sides in the width direction, which are arranged at a position close to the towing vehicle 15, and the lower end portion thereof is brought into contact with the upper surface of the pedestal 10. So keep it horizontal.

Next, as shown by the chain double-dashed line in FIG. 2A, the traveling carriage 20 is moved along the rails 22 and 22 so that the traveling carriage 20 arrives at the desired unloading place 18. Sometimes the carriage 20 is stopped. Then, when the motor 32 of the turning mechanism 26 is driven to turn the pedestal 10 clockwise through 90 degrees from the reference posture via the large-diameter gear 28 and the small-diameter gear 30, the front end portion of the pedestal 10 is moved to the rail 22. , 22 extends in a direction orthogonal to the extending direction. In this state, when the two hydraulic cylinders 12, 12 are synchronously biased to extend the piston rods 12a, 12a, the pedestal 10 moves the clevis 44, It is tilted to a tilted position (about 45 degrees) with 44 as a fulcrum and positioned. Since the loading platform 16 is in abutting contact with the stopper 36, it does not slide down on the pedestal 10. As a result, the scrap 11 loaded on the loading platform 16 slides down the loading platform 16 and is dropped and discharged to the unloading place 18 where the front end of the pedestal 10 is oriented.

When the scrap 11 is discharged from the cargo bed 16, the hydraulic cylinders 12, 12 are reversely biased to return the pedestal 10 to the horizontal position, and the support portion 24 and the pedestal 10 are swung 90 degrees to return to the original reference. Return to posture. Then, the traveling vehicle 20 is moved to the loading platform mounting position and the loading platform 16 is connected to the towing vehicle 15, whereby the unloading work is completed. It should be noted that, when the cargo bed 16 is placed on the pedestal 10, an excessive weight including the cargo bed 16 and the scrap 11 is added to the pedestal 10, but the pedestal itself is rigid due to the gate-shaped frame member 28. Since the height is increased, bending or vibration during tilting can be minimized. Further, when the scrap 11 is dropped and discharged from the loading platform 16, the loading platform 16 may vibrate greatly due to a change in the weight balance, but the loading platform 16 is surrounded by the frame member 28, so it is prevented from falling. Be done.

During the above-mentioned unloading work, the pedestal 10 is pivotally positioned within a range of 180 degrees with the traveling carriage 20 stopped at the end portions of the rails 22, 22 as a base point in the extending direction of the rails 22, 22. Then, the scrap 11 can be dropped and discharged over the range surrounding the rail end portion. In addition, when the traveling carriage 20 is stopped while the rails 22 and 22 are being extended and the pedestal 10 is turned 90 degrees clockwise or counterclockwise from the reference posture and then unloading is performed, as shown in FIG. The scrap 11 can be dropped and discharged on both sides along the rails 22, 22, as shown in FIG. That is, the scrap 11 can be unloaded over a very wide range, and a large amount of the scrap 11 can be stocked. Moreover, since the device for unloading the scrap 11 from the platform 16 and the device for changing the place for unloading the scrap 11 are integrated, the equipment cost can be reduced.

The operation of unloading the scrap 11 can be performed by the driver himself of the freight vehicle 14 operating an operation panel (not shown) installed on the guide 48. As a result, the number of personnel required for unloading work can be reduced, and personnel costs can be kept low.

In the above-described embodiment, the case where only the cargo bed 16 is placed on the pedestal 10 for movement and unloading corresponding to the type of freight vehicle 14 in which the cargo bed 16 can be separated from the towing vehicle 15 has been described. However, in the case of a normal truck type freight vehicle 14 in which the loading platform 16 is not separated from the driving section, as shown in FIG. 3, the freight vehicle 14 is moved and unloaded while the entire freight vehicle 14 is mounted on the pedestal 10. . That is, with the entire freight vehicle 14 mounted on the pedestal 10, the traveling trolley 20 is moved to a predetermined unloading place 18, and the pedestal 10 is tilted after the pedestal 10 is horizontally swung by an arbitrary angle. For example, the truck 11 tilts and the scrap 11 loaded on the bed 16 is dropped and discharged.

FIG. 4 shows another embodiment of the traveling type unloading device, in which the pedestal 10 is configured so as not to rotate horizontally. That is, the support portion 24 is fixed to the traveling carriage 20, and the front end portion (the lower end portion at the inclined position) of the pedestal 10 arranged above the support portion 24 is always oriented in a fixed direction. In this another embodiment, when the pedestal 10 is tilted to the tilt position, the pedestal 10 is arranged so that the front end of the pedestal 10 is oriented in a direction orthogonal to the extending direction of the rails 22 and 22. It is possible to unload the scrap 11 dropped and discharged from the loading platform 16 on one side portion along the extending direction of the rails 22, 22. Even in this case, the scrap 11 can be unloaded over a wide range in the extending direction of the rails 22 and 22, and a large amount of the scrap 11 can be stocked. In the case of another embodiment, the freight vehicle 14 is configured to move backward toward the pedestal 10 from a direction intersecting with the traveling direction of the traveling trolley 20 to mount the luggage carrier 16 on the pedestal 10.

In the embodiments, the hydraulic cylinder is described as the actuator that tilts the pedestal, but the present application is not limited to this, and for example, a pneumatic or hydraulic cylinder, a configuration in which a ball screw is rotated by a motor, or the like is also appropriate. Can be adopted for. Also, regarding the number of installed actuators, only one may be installed, or three or more may be installed as required. Furthermore, the stopper provided on the pedestal does not have to engage and abut the rear end of the luggage carrier, but may be a stopper that engages with the wheels provided on the luggage carrier to prevent slipping. . Furthermore, the unloaded goods to be unloaded are not limited to scraps such as iron scraps as in the practical example, but wood chips used in paper mills, general households, factories, etc. It may be various kinds of garbage from the.

[0023]

[Effect of device]

 As described above, according to the traveling type unloading apparatus according to the present invention, the pedestal on which the freight car or the loading platform is tilted is configured to shorten the unloading object loaded on the loading platform. It can be dropped and ejected in a short time and without much human intervention. In other words, since the time required for unloading work per lorry can be shortened, the unloading time of a lorry loaded with unloadable objects and waiting for work can be shortened, and the occupancy rate of the lorry can be reduced. Can be improved. Further, since the pedestal can be moved along a wide range of unloading places, it is possible to discharge the unloadable material over a wide range to increase the unloading capacity. Moreover, since the device for unloading the unloading object from the platform and the device for moving the unloading object to the required unloading location are integrated, there is no need to install multiple devices and the equipment cost is reduced. Can be kept low. Further, by turning the pedestal, it is possible to release the unloading object in a wider range, which is a beneficial effect.

[Brief description of drawings]

FIG. 1 is a front view showing a state before and after tilting of a pedestal in a traveling type unloading apparatus according to a preferred embodiment of the present invention.

FIG. 2 is an operation diagram showing a state where the traveling carriage is moved in the traveling type unloading apparatus according to the embodiment.

FIG. 3 is an operation diagram of the traveling type unloading apparatus according to the embodiment in a state in which the entire freight vehicle is mounted on the traveling carriage.

FIG. 4 is a front view showing a traveling type unloading device according to another embodiment of the present invention.

[Explanation of symbols]

 10 pedestal 11 scrap 12 hydraulic cylinder (actuator) 14 freight vehicle 16 loading platform 18 unloading place 20 traveling vehicle 24 support section 26 turning mechanism 36 stopper

Claims (2)

[Scope of utility model registration request] 1. A traveling type unloading device for unloading an article to be unloaded (11) loaded on a loading platform (16) of a lorry (14) and discharging the unloading object (18) to a place (18) A traveling carriage (20) capable of self-propelled along the unloading place (18)
And a pedestal (10) that is tiltably disposed on the traveling carriage (20) and on which the freight vehicle (14) or the cargo bed (16) is mounted, and the pedestal (10) between a horizontal position and a tilted position. An actuator (12) for tilting, and a stopper (36) arranged on the pedestal (10) and engaged with the lorry (14) or the cargo bed (16) mounted on the pedestal (10) to prevent slipping. The trolley (20) is mounted on the pedestal (10) facing the horizontal position and is engaged with the stopper (36) while the trolley (20) is in a predetermined load. After traveling to the landing place (18), the actuator (12) is urged to move the pedestal.
By tilting (10) to the tilting position, the cargo bed (1
A traveling type unloading device characterized in that the unloading object (11) loaded in (6) is configured to be dropped and discharged to an unloading place (18). 2. The pedestal (10) is tiltably disposed on a support portion (24) horizontally rotatably disposed on the traveling carriage (20),
The traveling type unloading device according to claim 1, wherein the pedestal (10) is swung by horizontally rotating the supporting portion (24) by a swiveling mechanism (26).