JP2007119238A - Loading device of vehicle and loading method for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide technology for loading by stabilizing a load-carrying platform of a vehicle. <P>SOLUTION: This loading device of a truck 3 is provided with a level adjusting device capable of letting a level of a platform 2 agree with a level of the load-carrying platform 5 of the truck 3 carried into a truck yard 1, a hydraulic jack 7 being a fixing device for fixing a level of the load-carrying platform 5 of the truck 3, and a load moving device 10 provided on the platform 2 to push a load 13 onto the load-carrying platform 5 of the truck 3. The level adjusting device is provided with a lift device 4 provided on the truck yard 1 to elevate and lower the truck 3. The lift device 4 has a rear wheel lift device 4a for elevating and lowering a rear wheel 6a of the truck 3 and a front wheel lift device 4b for elevating and lowering a front wheel 6b of the truck 3. The level adjusting device is provided with a sensor being a level detection means for detecting difference between a level of the platform 2 and a level of the load-carrying platform 5. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a technique for stabilizing and loading a vehicle when a plurality of stacked loads are loaded together on a loading platform of the vehicle.

  The products produced in the factory are packed in containers such as cardboard boxes, and the cardboard boxes are stacked at the shipping place. At the time of shipment, the empty truck stops near the platform of the truck yard at the place of shipment, and the worker holds the cardboard box and carries it to the truck bed to stack and load the cardboard box, etc. The forklift truck is used to carry the truck to the truck bed, and the workers carry the cardboard boxes from the pallet and load them on the loading board.

  According to such work that relies on human power, a lot of time and labor are required. In the truck yard, trucks waiting to be loaded form a line, and there are concerns about surrounding environmental problems due to noise and exhaust gas from the trucks. In addition, for frozen foods and the like that need to be loaded in a short time, it has been desired to quickly load them into a freezer car in order to avoid quality deterioration. In view of these problems, the present inventor has proposed a technique for loading a vehicle that can be loaded without requiring labor in a short time (see Patent Documents 1 and 2).

  In Patent Documents 1 and 2, the level of the load supporting member that supports the load and the level of the vehicle loading platform are matched, and the load sliding belt that is easy to slide is pulled out of the belt take-up drum and laid on the loading platform of the vehicle. After the upper baggage is pushed to the baggage sliding belt and transferred from the baggage support member to the baggage belt laid on the carrier, the baggage belt is pulled out from under the baggage while leaving the baggage on the vehicle carrier. A method for loading the vehicle is described.

JP 11-217122 A JP-A-11-255342

  The inventor has intensively studied further technical improvements related to loading on vehicles, and has found a new problem. That is, according to the methods described in Patent Documents 1 and 2, when loading a load onto a vehicle, the rear wheel of the vehicle is slightly crushed downward by the weight of the load at the moment the load is pushed into the vehicle. There may be a small step between the support member and the vehicle bed, or the vehicle bed may be slightly inclined. Such a tendency may be seen particularly when a heavy load is loaded or when loading a large truck of 10 tons, and friction is generated on the load sliding belt so that the load is brought into the vehicle. It may be difficult to push in.

  Furthermore, the level of load applied to the front and rear wheels of the vehicle changes while the load is being pushed, that is, while the load is being pushed while sliding on the load slide belt. Such a tendency, which sometimes changes slightly, is often seen when the load is not a single item but a light or heavy item is mixed and the weight is uneven.

  On the other hand, in Patent Documents 1 and 2, the level of the load supporting member and the loading platform of the vehicle is adjusted by a hydraulic cylinder, but this is to match the level of the load supporting member on the platform side. It does not deal with subtle up-and-down fluctuations in the vehicle bed. In addition, it was not intended for loading on a 10-ton scale, but intended for loading on a relatively small 2-ton car class.

As described above, even when the load is being pushed into the vehicle, the level of the load support member and the loading platform of the vehicle is kept constant, and the vehicle loading platform is stabilized without being tilted. It is important for reducing the friction and pushing the load smoothly into the platform of a large truck.
The problem to be solved by the present invention is to provide a technique for performing loading while stabilizing the loading platform of a vehicle.

The vehicle loading device of the present invention includes a level adjusting device that matches the level of the platform and the level of the loading platform of the vehicle carried into the truck yard, and a fixing device for fixing the level of the loading platform of the vehicle. It is characterized by being.
Further, the vehicle loading method of the present invention includes a level adjusting step for adjusting the level of the platform and the level of the loading platform of the vehicle carried into the truck yard, and a fixing step for fixing the loading platform level of the vehicle. Features.

  By adopting the configuration as described above, the level of the platform and the level of the loading platform of the vehicle can be combined to fix this state, so that the level difference between the platform side and the loading platform side can be eliminated, and the vehicle It is possible to carry out loading in a state in which the loading platform is stabilized.

  Further, the level adjusting device is provided with a lift device that is provided in a truck yard and lifts and lowers the vehicle. Thus, if the lift device for raising and lowering the vehicle is provided in the truck yard, it is not necessary to provide it on the platform side, and the construction becomes easy.

  Further, the lift device includes a rear lift device that raises and lowers the rear portion of the vehicle, and a front lift device that raises and lowers the front portion of the vehicle. Thereby, it becomes possible to raise and lower the front part of the vehicle and the rear part of the vehicle to adjust minute fluctuations and inclination states of the loading platform level. Accordingly, it is possible to accurately match the level of the platform and to adjust the platform and the loading platform to be horizontal.

Further, the level adjusting device includes level detecting means for detecting the difference between the level of the platform and the level of the loading platform of the vehicle, so that the level difference can be accurately detected without relying on visual observation.
Here, if the level detection means is a sensor that emits a signal toward the vehicle and detects a signal reflected and returned from the vehicle, it is possible to detect the level difference with higher accuracy.

  Further, the platform is provided with a load moving device for carrying the load into the vehicle, and the load moving device is a carriage for placing the load, and is moved on the carriage while sliding the load. A sliding member for pushing the load, a pusher for sliding and moving on the sliding member, a load sliding belt for sliding on the loading platform of the vehicle and loading the loading load on the loading platform of the vehicle, It has. By adopting such a configuration, as described above, if the luggage sliding belt is laid on the loading platform while the vehicle is stable, the luggage can be slid and efficiently loaded in a short time.

  In addition to the above loading method, the loading method of the present invention further includes a belt laying step of laying a baggage sliding belt on which the load easily slips on the loading platform of the vehicle, and pushing the baggage toward the baggage sliding belt. It includes a moving step of transferring onto the belt, and a pulling-out step of pulling out the load sliding belt from under the load while leaving the load on the loading platform of the vehicle. With such a configuration, the luggage sliding belt can be laid on the loading platform of the vehicle while the vehicle is stable, and can be efficiently loaded in a short time. Further, since the vehicle is stable, the luggage is not caught, and the luggage sliding belt can be prevented from being damaged during loading.

  The most significant feature of the present invention includes a level adjusting device for adjusting the level of the platform and the level of the loading platform of the vehicle carried into the truck yard, and a fixing device for fixing the level of the loading platform of the vehicle. In the point. By adopting such a configuration, it is possible to fix this state by matching the level of the platform and the level of the loading platform of the vehicle, so that the step between the platform side and the loading platform side can be eliminated, and the vehicle Loading can be performed with the loading platform stabilized. Therefore, it is possible to stabilize the vehicle and transport the load while loading on a large truck of 10 ton class.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a side view showing a vehicle loading device according to an embodiment of the present invention, FIG. 2 is a plan view thereof, FIG. 3 is a diagram showing level detection means of the vehicle loading device, and FIG. The figure which shows the reflecting plate used by embodiment, (b) is a figure which shows the sensor and reflecting plate which are used by this embodiment. 4 is an enlarged front view of a part of the vehicle loading device, FIG. 5 is a side view of the vehicle loading device viewed from the truck side, and FIG. 6 is an enlarged view of a portion A in FIG.

  A loading device for a vehicle (hereinafter referred to as truck 3) according to an embodiment of the present invention includes a level adjusting device that matches the level of the platform 2 and the level of the loading platform 5 of the vehicle (hereinafter referred to as truck 3) carried into the truck yard 1; And a hydraulic jack 7 which is a fixing device for fixing the level of the loading platform 5 of the truck 3, and a luggage moving device 10 which is provided on the platform 2 and pushes the luggage 13 into the loading platform 5 of the truck 3. The load 13 is a product in which a plurality of cardboards and the like are loaded. The luggage moving device 10 includes a carriage 11 for placing the luggage 13, a sliding member 12 laid on the carriage 11 for sliding and moving the luggage 13, and pushing the luggage 13 on the sliding member 12. And a pusher 14 for sliding and moving.

  Further, the level adjusting device includes a lift device 4 that is provided in the track yard 1 and moves up and down the track 3. The lift device 4 includes a rear wheel lift device 4a that raises and lowers the rear wheel 6a of the truck 3, and a front wheel lift device 4b that raises and lowers the front wheel 6b of the truck 3, and slides on the platform 2 side during loading. The level difference between the level of the platform 2 and the level of the loading platform 5 is eliminated by matching the height level (platform level) of the member 12 (see FIG. 6) with the height level of the loading platform 5 on the truck 3 side. Is. The hydraulic jack 7 fixes (holds) the chassis in the vicinity of the rear wheel 6a of the truck 3 to prevent the suspension from sinking due to the load of the load 13 to be loaded.

  Here, the rear wheel lift device 4 a functions as a rear lift device that raises and lowers the rear portion of the track 3, and the front wheel lift device 4 b functions as a front lift device that raises and lowers the front portion of the track 3. Further, the lift device 4 is not limited to a device that moves the rear wheel 6a and the front wheel 6b of the truck 3 up and down. For example, the lift device 4 may be a device that jacks up the rear part of the truck 3 chassis or the front part of the truck 3 chassis. good.

  The load moving device 10 includes a load slide belt 15a (see FIG. 7) provided on the track yard 1 side of the platform 2, and a load slide belt take-up drum 15 for winding it. As will be described later, the load sliding belt 15 a is laid on the loading platform 5, and slides the loads 13 loaded on the sliding members 12 on the platform 2 to be loaded together on the loading platform 5.

  Here, as shown in FIG. 3 (b), the level adjusting device further includes a sensor 8 that is a level detecting means for detecting a difference between the level of the platform 2 and the level of the loading platform 5. The sensor 8 is provided in the platform 2, emits a signal toward the track 3, and detects a signal that is reflected back to the track 3 and returned. Reflection on the truck 3 is performed by a reflector 9 provided when loading on the loading platform 5.

  More specifically, the sensor 8 is provided on the track yard 1 side of the end portion 32 of the platform 2 and below the buffer rubber 31 (see FIG. 7), and the level difference from the platform 2 (sliding member 12) is detected. Input in advance. The reflection plate 9 is composed of a bracket 9a having an L-shaped cross section composed of a horizontal member and a vertical member, and a reflection plate 9b attached to the vertical member of the bracket 9a, and the horizontal member of the bracket 9a is locked to the loading platform 5. And provided on the track 3. The position of the reflection plate 9 b is provided on the bracket 9 a so as to face the sensor 8. The sensor 8 can detect a level difference between the loading platform 5 and the platform 2 (sliding member 12) according to reflected light (signal). Therefore, if there is a difference between the level of the platform 2 and the level of the loading platform 5, if the signal transmitted from the sensor 8 is reflected on the reflecting plate 9b of the reflecting plate 9, the sensor 8 will receive the signal again. The level difference can be read accurately. As a result, the level of the track 3 can be precisely adjusted, and the level difference can be eliminated.

  The reflector 9 can also be provided in the vicinity of the front wheel 6b to detect a level difference between the rear wheel 6a and the front wheel 6b. Further, the level can be adjusted by providing the reflector 9 on the platform 2 and the sensor 8 on the track 3. As described above, these installation positions and the number of installations are not limited and can be changed as appropriate.

  Next, the cart on the platform 2 will be described. As shown in FIG. 2, two four-wheel-drive two-wheel drive carts 11 are provided on the platform 2, and the luggage 13 is previously placed on one of the carts (for example, the cart shown in the center of FIG. 2). It is. Then, at the time of loading or after loading, the carriage 11 moves along the traverse rail 19 provided on the platform 2 by the wheels 16 provided below the carriage 11 moving on the traverse rail 19. The traverse on the platform 2, that is, a state in which it can move in the vertical direction in FIG. Further, in the upper part of FIG. 2, a space S for the carriage 11 is secured, and the truck 3 waits for the truck 3 by efficiently loading in advance such as loading the carriage 11 while traversing. It can be loaded with less time. Further, a sleeper 18 that supports the traverse rail 19 is embedded below the carriage 11 (see FIGS. 2 and 4). The carriage 11, the traverse rail 19, and the sleeper 18 are weights of the luggage 13 of about 10 tons. To withstand. Further, the carriage 11 can be traversed as described above by traveling on the traverse rail 19 by the traveling motor 21.

  The pusher 14 includes a pusher attachment 14a that is provided on the lower side of the load 13 and pushes the lower portion of the load 13, and a slider base 14b that supports the weight of the entire pusher 14 and can slide along a linear rail 23 described later. A control panel 14c for controlling the operation of the slider base 14b and the pusher attachment 14a, a hydraulic unit 14d provided with a hydraulic device, a patrol light 14e indicating that it is in operation, and a carriage provided below the pusher 14 11 includes a slider motor 14f serving as power for sliding 11 toward the track 3, and a rod 14g for extending the pusher attachment 14a by a hydraulic syringe.

  Further, as shown in FIGS. 5 and 6, the platform 2 is provided with an elongated horizontal frame 24 having a T-shaped cross section standing in the direction of the track yard 1. The linear rail 23 is provided toward the track yard 1 direction. The linear rail 23 is orthogonal to the traverse rail 19 and is embedded in the platform 2. The pusher 14 has a recessed portion of the gantry 25 fixed to the lower portion of the slider base 14b and engages with the linear rail 23, and the gantry 25 can move to the track 3 side by traveling on the linear rail 23. it can.

  Next, the sliding member 12 provided on the carriage 11 will be described in detail. The sliding member 12 has a U-shaped cross section in the direction of moving the load 13 to the loading platform 5 and is composed of an upper surface member 12a for sliding the load 13, and a support member 12b for supporting the upper surface member 12a below. ing. The upper surface member 12a is made of a material having a small friction coefficient, for example, a super-polymer plate, and can slide the load 13 while suppressing frictional resistance. The support material 12b is formed by fixing a plate material on a member having an L-shaped cross section. The sliding member 12 has a vertically long shape toward the track 3 side, has a width of about 3.3 cm, is arranged in parallel in the lateral direction (the traversing direction in FIG. 2), and is a support plate 26 fixed to the horizontal frame 24. A plurality are provided on the top. And it arrange | positions with the clearance gap between the adjacent sliding members 12 provided. In this embodiment, the sliding member 12 is provided, but other forms may be used as long as the luggage 13 is slid, and for example, a plurality of rotating rollers may be provided. Furthermore, the present invention is not limited to these, and any other form may be used as long as it is a structure that can slide.

Next, a situation where the luggage 13 is pushed into the truck 3 will be described with reference to FIG. 7A and 7B are views showing that the load 13 is pushed into the loading platform 5, wherein FIG. 7A is a plan view showing the load 13 removed, and FIG. 7B is a front view showing the load 13 being pushed.
The track 3 has a rear end 35 in contact with or close to a buffer rubber 31 that functions as a shock absorber provided on an upper portion 32 of the platform 2 on the track yard 1 side. It has stopped.

  In FIG. 4, the pusher attachment 14 a of the pusher 14 is brought into contact with the lower portion of the load 13, and the pusher 14 is moved along the linear rail 23 while pushing the load 13 toward the track yard 1. At this time, the lower part of the luggage 13 moves toward the track 3 while sliding on the upper surface of the upper surface member 12a. However, as described above, the upper surface member 12a is made of a material with low friction. You can't press it, or it won't stop while you're pressing it.

  Here, before the luggage is pushed by the pusher 14, the luggage sliding belt 15a having a width of about 30 cm is pulled out from the luggage sliding belt take-up drum 15, and a plurality of these are laid on the loading platform 5 of the truck 3 in advance. As shown in FIG. 7, the loaded luggage 13 is transferred to the luggage sliding belt 15 a while being pushed by the pusher 14. At this time, a bridge plate 33 for filling a gap between the platform 2 side and the loading platform 5 side is pivotally supported at the unloading side front end (see FIG. 1). When the truck 3 arrives at the predetermined position, the crossover plate 33 is reversed by an operator to close the gap between the loading platform 5 and the sliding member 12 and is laid on the end portion 32 and the buffer rubber 31. As described above, the load 13 can be pushed onto the load sliding belt 15a without any resistance. After that, the rod 14g built in the pusher 14 is extended by the hydraulic cylinder, so that the pusher attachment 14a can further push the load 13 into the back of the loading platform 5. After loading the luggage 13, the luggage sliding belt 15 a is pulled out from under the luggage 13 while leaving the luggage 13 on the loading platform 5.

  Here, the luggage slide belt take-up drum 15 is formed so that a recess C is formed in the platform 2 from the track yard 1 side, and is fixed to a lower portion of the horizontal frame 24 so as to be accommodated in the recess C. Moreover, although the horizontal frame 24 and the linear rail 23 are provided on the platform 2, they can also be embedded and provided. The luggage sliding belt 15a easily slides when the loaded luggage 13 is pushed, and can easily be pulled out from under the luggage 13, such as a resin belt, a fluororesin coating. Resin belts, steel belts, urethane-coated cloth belts, and the like can be used.

  The luggage sliding belt take-up drum 15 is provided at the lower end of the horizontal frame 24, and is idled when the luggage sliding belt 15a is pulled out, and is not rotated by a braking device after being pulled out for a predetermined length. When the belt 15a is wound, the shaft 34a is rotated in the winding direction by the luggage sliding belt winding motor 34. The luggage slide belt winding drum 15 may be provided for each luggage slide belt 15a.

  Further, the load 13 loaded on the carriage 11 may have a load shift depending on the degree of variation in the weight depending on the stacked state, causing collapse of the load. Therefore, a load collapse prevention device (not shown) for covering the load 13 may be provided for the purpose of preventing the load collapse. In this load collapse prevention device, for example, a laterally-drawn type shutter box that covers both sides of the load 13 is provided on the truck 3 side of the carriage 11, and after loading is completed, the shutter is closed and the shutter end is fixed to the pusher attachment 14a. Can be formed. With such a configuration, when the luggage 13 is pushed in, the shutter is opened in conjunction with both sides of the luggage 13, and the luggage 13 is located between the shutters, so that the cargo collapse is prevented.

Next, the loading process to the truck 3 will be described.
(1) Level adjustment process 1 (level detection process)
A difference between the height level of the platform 2 and the level of the loading platform 5 of the truck 3 carried into the truck yard 1 is detected. Here, the height level of the platform 2 is the height level of the lower end of the luggage 13, and means the height position of the upper surface of the upper surface member 12a of the sliding member 12.
The detection process will be described in detail. When the truck 3 is carried back to the truck yard 1, the reflector 9 is locked and attached to the loading platform 5 (FIG. 3). Then, the track 3 is stopped at a position where the distance between the rear end of the track 3 and the buffer rubber 31 is within 50 cm (preferably several cm). At this time, the optical axis (signal) from the sensor 8 is reflected by the reflection plate 9b, and the sensor 8 receives light again. Since the amount of light reflected from the reflection plate 9b changes according to the angle at which it is received, the sensor 8 can detect the level difference between the loading platform 5 and the sliding member 12.

(2) Level adjustment process 2 (elevating process)
After detecting the level difference in the level detection step, the truck 3 is raised or lowered using the rear wheel lift device 4a and the front wheel lift device 4b. At this time, if the elevation is stopped when it is detected that the reflected light from the reflection plate 9b is horizontal, the height level of the sliding member 12 on the platform 2 side and the height level of the loading platform 5 on the truck 3 side are obtained. They coincide with each other and the loading platform 5 becomes horizontal. The level adjustment accuracy (deviation) is within 1 mm when the distance between the sensor 8 and the reflector 9 is 50 cm, and the level adjustment is possible in millimeters. Thereafter, the reflecting plate 9 is removed, and the track 3 is moved to the buffer rubber 31 on the lift device 4 or is left as it is. In addition, since the reflecting plate 9 can be removed, it should be used only at the time of level adjustment.

(3) Fixing Step The chassis near the rear wheel 6a of the truck 3 is fixed (held) by the hydraulic jack 7 at the height level of the loading platform 5. This prevents the suspension from sinking due to the load of the load 13 to be loaded. Therefore, even if the weight of the load 13 on the load platform 5 changes in the moving process described later, the load platform 5 near the rear wheel 6a is inclined. , Can be prevented from slipping. Further, depending on the variation in the weight of the load 13, the chassis can be fixed by the hydraulic jack even in the vicinity of the front wheel 6b. Thereby, the track 3 can be further stabilized.

(4) Belt Laying Step The luggage sliding belt 15a is pulled out from the luggage sliding belt take-up drum 15, and is laid on the loading platform 5 as shown in FIG. At this time, it is laid so that there are almost no gaps by gathering a plurality of pieces.

(5) Moving process The cargo 13 to be shipped that has been loaded in advance is pushed into the loading platform 5 side by the pusher 14 and transferred onto the luggage sliding belt 15a. At this time, since the loading platform 5 of the truck 3 is stable,
Even if the load 13 reaches the loading platform 5, the rear side of the loading platform 5 does not tilt. Further, even when the load changes while being pushed into the load carrier 5 while sliding on the load slide belt 15a, the load carrier 5 is not tilted because the load carrier 5 is fixed. Even if the front end of the luggage 13 reaches the back of the loading platform 5, the loading platform 5 will not tilt if the chassis on the front wheel 6b side is held. Accordingly, the luggage 13 is not caught on the luggage sliding belt 15a, and the luggage sliding belt 15a can be prevented from being damaged during loading. Furthermore, the cargo 13 can be transported while the truck 3 is stabilized during loading on a large truck of a 10-ton class.

(6) Pulling-out process Pulling out the load gliding belt 15a from under the load 13 while leaving the load 13 on the loading platform 5. Then, the shaft 34a is rotated in the winding direction by the luggage sliding belt winding motor 34, and the luggage sliding belt 15a is wound and stored. After this, the truck 3 departs to the destination.

  INDUSTRIAL APPLICABILITY The vehicle loading device and the vehicle loading method of the present invention can be widely used as a technique for loading a vehicle in a short time from a shipping place.

It is a side view which shows the loading apparatus of the vehicle which is embodiment of this invention. It is the same top view. It is a figure which shows the level detection means of the loading apparatus of a vehicle, (a) is a figure which shows the reflecting plate used by this embodiment, (b) is a figure which shows the sensor and reflecting plate used by this embodiment. It is the front view which expanded a part of vehicle loading apparatus. It is the side view which looked at the loading device of vehicles from the truck side. It is the A section enlarged view of FIG. It is a figure which shows pushing a luggage | load into a carrier, (a) is the top view shown except the luggage, (b) is a front view which shows pushing the luggage.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Truck yard 2 Platform 3 Truck 4 Lifting device 4a Rear wheel lifting device 4b Front wheel lifting device 5 Cargo bed 6a Rear wheel 6b Front wheel 7 Hydraulic jack 8 Sensor 9 Reflecting plate 9a Bracket 9b Reflecting plate 10 Cargo moving device 11 Carriage 12 Sliding member 12a Upper surface Member 12b Support material 13 Load 14 Pusher 14a Pusher attachment 14b Slider base 14c Control panel 14d Hydraulic unit 14e Patrite 14f Slider motor 14g Rod 15 Load slide belt take-up drum 15a Load slide belt 16 Wheel 18 Sleeper 19 Rail 23 21 Rail 23 Linear rail 24 Horizontal frame 25 Base 26 Support plate 31 Buffer rubber 32 End 33 Crossing plate 34 Luggage sliding belt take-up motor 34a Shaft 35 End C recess S space

Claims (8)

  A vehicle load characterized by comprising: a level adjusting device for matching the level of the platform and the level of the loading platform of the vehicle carried into the truck yard; and a fixing device for fixing the level of the loading platform of the vehicle. Stacking equipment.   2. The vehicle loading device according to claim 1, wherein the level adjusting device includes a lift device that is provided in the track yard and moves up and down the vehicle.   The vehicle loading device according to claim 2, wherein the lift device includes a rear lift device that raises and lowers a rear portion of the vehicle, and a front lift device that raises and lowers the front portion of the vehicle.   4. The vehicle loading device according to claim 1, wherein the level adjustment device includes level detection means for detecting a difference between the level of the platform and the level of a loading platform of the vehicle. 5.   5. The vehicle loading device according to claim 4, wherein the level detection means is a sensor that emits a signal toward the vehicle and detects a signal reflected and returned from the vehicle. Furthermore, the platform is provided with a luggage moving device for carrying the luggage into the loading platform of the vehicle,
The luggage moving device includes a carriage for placing a luggage, a sliding member laid on the carriage for sliding the luggage, and for sliding and moving on the sliding member by pushing the luggage. The vehicle load according to any one of claims 1 to 5, further comprising: a pusher; and a load sliding belt that is laid on the loading platform of the vehicle and slides a load to be loaded on the loading platform of the vehicle. Stacking equipment.   A vehicle loading method comprising: a level adjusting step of matching a level of a platform with a level of a loading platform of a vehicle carried into a truck yard; and a fixing step of fixing the level of the loading platform of the vehicle.   Further, a belt laying process for laying a luggage sliding belt on which the luggage is slippery on the loading platform of the vehicle, a moving process for pushing the luggage to the luggage sliding belt side and transferring it to the luggage sliding belt, and the luggage sliding belt, The vehicle loading method according to claim 7, further comprising: a pulling step of pulling out the bag from the bottom of the load while remaining on the loading platform of the vehicle.

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