JP6863873B2 - Container cargo handling vehicle - Google Patents

Description

The present invention relates to a container handling vehicle provided with a cargo handling device for loading and unloading containers onto a chassis, and particularly relates to a container handling vehicle that handles a plurality of different types of containers.

Some container cargo handling vehicles (hereinafter, container cargo handling vehicles are simply referred to as cargo handling vehicles) are equipped with a cargo handling device having an L-shaped cargo handling arm on the chassis of the vehicle. In this cargo handling vehicle, the cargo handling arm is rotated rearward of the vehicle body to hang the hook at the tip on the container, and the cargo handling arm is rotated forward to pull the container onto the chassis. Some of these types carry cargoes of a plurality of types of containers having different sizes (see Patent Document 1).

Japanese Unexamined Patent Publication No. 2010-159055

A 2t container and a 4t container are selectively loaded on the container handling vehicle described in Patent Document 1. These containers are provided with an engaging portion at the bottom, and the engaging portion engages with the lashing device provided on the base of the cargo handling device to tie the container on the chassis. However, since the position of the engaging portion is different between the 2t container and the 4t container, the cargo handling device of the same document includes a lashing device for the 2t container and a lashing device for the 4t container. These lashing devices are interlocked and driven by a hydraulic cylinder so that any of them can engage with the corresponding engaging member.

However, in the cargo handling vehicle of the same document, the operator must operate the lashing device corresponding to the loaded container so that it can function. Therefore, if the operator makes an erroneous operation, the loaded container will not be properly tied up. It is necessary to provide a complicated interlock function to prevent erroneous operation.

An object of the present invention is to provide a container handling vehicle capable of selectively tying a corresponding container by operating a lashing device mechanically when loading a container.

In order to achieve the above object, the present invention is provided on the upper part of a container handling vehicle having a chassis for loading a container and carrying out cargo handling work for loading and unloading the container on the chassis. The frame includes a lashing device for lashing the container, and the lashing device is provided on the frame in an undulating manner and is engaged with a mating member provided at the bottom of the container in an upright state. Of the first container and the second container as the container, the first container and the second container, which are provided with a joint member and a crank that abuts the container to erect the first engaging member when the container is loaded. The container has a structure in which the mating member is in contact with the crank, and is further provided with left and right container guide devices for supporting and guiding the second container during cargo handling work for the second container. Container cargo handling configured such that the highest portion of the first engaging member is lower than the receiving surface of the container guide device in a state where the container does not abut on the crank and the first engaging member is laid down. Provide a vehicle.

According to the present invention, when the container is loaded, the lashing device operates mechanically to selectively tie the corresponding containers.

Side view of the container handling vehicle according to the first embodiment of the present invention Top view of the container handling vehicle according to the first embodiment of the present invention. Rear view of the container handling vehicle according to the first embodiment of the present invention. Perspective view of the specially equipped unit provided in the container cargo handling vehicle of FIG. Rear view of the adapter (when not in use) provided in the container handling vehicle of FIG. Rear view of the adapter (when in use) provided in the container handling vehicle of FIG. A perspective view showing a state in which the adapter provided in the container handling vehicle of FIG. 1 is attached to a standard container. Enlarged view of part VIII of FIG. Side view of the posture of the container guide device provided in the container handling vehicle of FIG. 1 when the standard container is loaded. Rear view of the posture of the container guide device provided in the container handling vehicle of FIG. 1 when the standard container is loaded. Top view of the posture of the container guide device provided in the container handling vehicle of FIG. 1 when the standard container is loaded. Side view of the posture of the container guide device provided in the container handling vehicle of FIG. 1 before loading a standard container. Rear view of the posture of the container guide device provided in the container handling vehicle of FIG. 1 before loading the standard container. Side view of the attitude of the container guide device provided in the container handling vehicle of FIG. 1 when the standard container is pulled up. Rear view of the posture of the container guide device provided in the container handling vehicle of FIG. 1 when the standard container is pulled up. Side view showing the lashing device in the prone position provided in the container cargo handling vehicle of FIG. 1 together with peripheral elements. A perspective view of the lashing device in the prone position provided in the container cargo handling vehicle of FIG. 1 viewed diagonally from the front left along with the peripheral elements. A perspective view of the standing posture lashing device provided in the container cargo handling vehicle of FIG. 1 as viewed diagonally from the front left along with peripheral elements. Rear view showing the standing posture lashing device provided in the container cargo handling vehicle of FIG. 1 together with peripheral elements. The figure which shows the state of the loading work of the standard container by the container handling vehicle of FIG. The figure which shows the state of the loading work of the standard container by the container handling vehicle of FIG. The figure which shows the state of the loading work of the standard container by the container handling vehicle of FIG. The figure which shows the state of the loading work of the standard container by the container handling vehicle of FIG. The figure which shows the state of the loading work of the standard container by the container handling vehicle of FIG. A side view schematically showing a lashing device provided in a container handling vehicle according to a second embodiment of the present invention. A plan view schematically showing a lashing device provided in a container handling vehicle according to a second embodiment of the present invention. A side view schematically showing a state in which the first engaging member of the lashing device provided in the container handling vehicle according to the third embodiment of the present invention is in a lying down posture. A plan view schematically showing a state in which the first engaging member of the lashing device provided in the container handling vehicle according to the third embodiment of the present invention is in a lying down posture. A perspective view schematically showing a state in which the first engaging member of the lashing device provided in the container handling vehicle according to the third embodiment of the present invention is in a lying down posture. A side view schematically showing a state in which the first engaging member of the lashing device provided in the container handling vehicle according to the third embodiment of the present invention is in an upright posture. A plan view schematically showing a state in which the first engaging member of the lashing device provided in the container handling vehicle according to the third embodiment of the present invention is in an upright posture. A perspective view schematically showing a state in which the first engaging member of the lashing device provided in the container handling vehicle according to the third embodiment of the present invention is in an upright posture.

An embodiment of the present invention will be described below with reference to the drawings.

<First Embodiment>
-Container cargo handling vehicle-
FIG. 1 is a side view of a container handling vehicle according to the first embodiment of the present invention, FIG. 2 is a plan view, and FIG. 3 is a rear view. The container handling vehicle shown in these figures (hereinafter, the container handling vehicle is simply referred to as a cargo handling vehicle) includes a vehicle 1 and a specially equipped unit 10. In the specification of the present application, the left side, the right side, the lower side, and the upper side in the illustrated state of FIG. 2 are the front, the rear, the left, and the right of the container handling vehicle. Further, the work of loading and unloading the container on the chassis 3 of the vehicle is described as "cargo handling work". The vehicle 1 is a self-propelled vehicle, and has a driver's cab 2 at the front and a chassis 3 at the rear of the driver's cab 2.

FIG. 4 is a perspective view of the specially equipped unit 10. In the figure, unlike the other drawings, the specially equipped unit 10 in the dump posture in which the dump frame A2 (described later) stands up is shown for the visibility of the configuration. The special equipment unit 10 is a special equipment unit attached to the upper part of the chassis 3 for cargo handling work, and as shown in FIGS. 1 to 4, the cargo handling device A, the container guide device B, the lashing device C, and the jack D. , Adapter E, etc. are provided. The jack D is a device for suppressing the sinking of the rear portion of the chassis 3 during cargo handling work. The configurations of the cargo handling device A, the adapter E, the container guide device B, and the lashing device C will be described below.

-Cargo handling device-
The cargo handling device A is a device for pulling up the container onto the chassis 3 or lowering it from the chassis 3, and includes a base frame A1, a dump frame A2 (FIG. 2, etc.), a cargo handling arm A3, a drive unit A4, and a guide roller A5. There is.

The base frame A1 is a basic structure of a cargo handling device A that is formed in a horizontal rectangular shape and extends in the front-rear direction, and is stacked and fixed on the upper portion of the chassis 3. The dump frame A2 is a frame for tilting up the container on the chassis 3 in order to dump and discharge the contents of the loaded container, and is behind the base frame A1 via a shaft A6 extending in the left-right direction (vehicle width direction). It is rotatably connected to the end. The dump frame A2 has a shorter length in the front-rear direction than the base frame A1, and is arranged at the rear portion of the base frame A1.

The cargo handling arm A3 is literally an arm for cargo handling work, and includes a base arm A7 and a hook arm A8. The base arm A7 is a tubular arm that extends linearly back and forth, and is rotatably connected to the front portion (tip portion) of the dump frame A2 via a shaft A9 that extends left and right, and rotates back and forth on the chassis 3. Move. The hook arm A8 is an L-shaped arm having a rear portion extending back and forth and a front portion rising, and the rear portion is slidably inserted into the base arm A7. A hook F for hanging on a standard container X (FIG. 7 or the like) is provided at the tip (upper end) of the hook arm A8. Although not shown in particular, the upper portion of the upright portion of the hook arm A8 is formed so as to be rotatable back and forth with respect to the lower portion by a hydraulic cylinder (not shown), and the height, front and rear position, etc. of the hook F can be determined on this rotation trajectory. It may be configured to be changeable. In the present embodiment, the configuration in which the hook arm A8 slides with respect to the base arm A7 is illustrated, but the hook arm A8 may rotate instead of sliding with respect to the base arm A7. Further, the cargo handling arm A3 may be configured as an integrated L-shaped arm without being divided into a base arm A7 and a hook arm A8.

The standard container X is a container manufactured according to a standard such as an ISO standard, and is, for example, a marine container. The standard container X is not manufactured assuming cargo handling work by a cargo handling vehicle, and is usually loaded on a transportation means such as a ship, a trailer, or a railroad by a separate cargo handling machine such as a crane or a forklift. The standard container X formed in a rectangular parallelepiped shape is provided with corner fittings having recesses on each surface at eight corners. For convenience of later explanation, among the recesses of these corner fittings, the recesses facing upward at the four corners of the upper surface of the standard container X are recesses X1 (FIG. 7), and the recesses facing outward in the left-right direction of the four corners of the left and right side surfaces are recesses. Let it be X2 (Fig. 7).

The drive unit A4 drives the cargo handling arm A3, and includes a pair of left and right hydraulic cylinders A10 that rotate the base arm A7, as well as a hydraulic cylinder that slides the hook arm A8 with respect to the base arm A7, although not shown. It is equipped with a hydraulic device that drives these cylinders. The base ends of the left and right hydraulic cylinders A10 are rotatably connected to the base frame A1, and the tips are rotatably connected to the rear part of the base arm A7. The hydraulic cylinder that slides the hook arm A8 is housed inside the base arm A7, and the base end is connected to the base arm A7 and the tip is connected to the hook arm A8.

The guide roller A5 is a roller for guiding a dedicated container (not shown), and is provided on both left and right ends of a shaft A6 that supports the dump frame A2. The "dedicated container" is a container manufactured assuming cargo handling work by a cargo handling vehicle, and is configured so that cargo handling work can be performed without using the adapter E. The guide roller A5 is arranged at a position lower than the guide surface of the standard container X by the container guide device B (the lower surface of the loaded standard container X) so as not to interfere with the standard container X including during cargo handling work. ing. For details of the dedicated container, refer to Japanese Patent No. 3853051 and the like.

In the cargo handling vehicle according to the present embodiment, only the cargo handling arm A3 rotates back and forth while the dump frame A2 is in a horizontal position during cargo handling work, and the dump frame A2 rotates integrally with the cargo handling arm A3 during dump work. Move. In order to enable this operation, a dump lock device (not shown) for locking and unlocking the cargo handling arm A3 is provided for the dump frame A2. The dump lock device includes a lock pin and a lock hook that can be engaged with and detached from the lock pin. Lock pins are provided at the tip of the dump frame A2, and lock hooks are rotatably provided on both side surfaces of the base arm A7 of the cargo handling arm A3. The sliding operation of the hook arm A8 with respect to the base arm A7 is used to engage and disengage the lock hook with respect to the lock pin. For example, the lock hook receives a force such as a spring in the direction of being locked to the lock pin, and when the hook arm A8 slides to the vicinity of the rear end, the operating rod is pushed by the hook arm A8 and the lock hook is pushed from the lock pin. An example of a configuration that comes off. In this case, when the hook arm A8 retracts to the vicinity of the rear end, the lock of the cargo handling arm A3 and the dump frame A2 is released, and the cargo handling arm A3 rotates back and forth with respect to the dump frame A2 due to the expansion and contraction of the hydraulic cylinder A10. On the contrary, when the hook arm A8 advances, the cargo handling arm A3 and the dump frame A2 are locked, and when the hydraulic cylinder A10 expands and contracts in this state, the dump frame A2 tilts up and down together with the cargo handling arm A3. The configuration of such a dump lock device is described in Japanese Patent No. 5284541 and the like.

-Adapter-
5 is a rear view of the adapter E when not in use, FIG. 6 is a rear view of the adapter E in use, FIG. 7 is a perspective view showing the adapter E attached to the standard container X, and FIG. 8 is VIII of FIG. It is an enlarged view of a part. FIG. 6 is equivalent to a diagram in which the adapter E in the state shown in FIG. 7 is extracted and the display of the standard container X is omitted. The adapter E shown in these figures is a kind of attachment to be attached to the standard container X in order to load the standard container X on the chassis 3. The adapter E includes a main body frame E1, a bar E2, left and right telescopic mechanisms E3, a first upper connecting member E4, a second upper connecting member E5, left and right lower connecting members E6, and the like. When not in use, the adapter E is fixed to a support post A11 (FIG. 1 or the like) provided at the front of the base frame A1.

The main body frame E1 is formed in a π-shape by the frames E11-E13. A pair of left and right frames E12 are provided, and the upper portions are connected to the lower surface of the frame E11 by welding or the like with a certain distance from each other. A pair of left and right frames E13 are also provided, and the corresponding frames E12 and the expansion / contraction mechanism E3 are connected to each other. The bar E2 is attached to the main body frame E1 for hooking the hook F of the cargo handling device A, and both ends are connected to the upper parts of the left and right frames E12 of the main body frame E1 by welding or the like.

The left and right expansion / contraction mechanism E3 includes a hollow member E31, a rod E32, and a stopper E33, respectively. The hollow member E31 is supported by the main body frame E1 in a vertically extending posture. The rod E32 is inserted into the hollow member E31 so as to be able to move up and down. The stopper E33 is for regulating the lower limit of the elevating range of the first upper connecting member E4 and the second upper connecting member E5, and is provided so as to project from the outer peripheral surface (front surface and back surface in the present embodiment) of the rod E32. There is. The position of the stopper E33 with respect to the rod E32 is different in the height direction between the left and right expansion / contraction mechanisms E3.

The first upper connecting member E4 and the second upper connecting member E5 are connected to the upper part of the standard container X, and are provided with downward convex portions E41 and E51 at the rear part. In the present embodiment, the first upper connecting member E4 and the second upper connecting member E5 are provided at the tip (upper end) of the rod E32, and the convex portions E41 and E51 are fitted into the concave portion X1 on the front side of the standard container X. is there.

The lower connecting member E6 is connected to the lower part of the standard container X, and is provided at the lower part of the left and right hollow members E31, respectively. The left and right lower connecting members E6 are provided with a plate E61 and a pin E62, respectively, as shown in FIG. The plate E61 is rotatably attached to the hollow member E31 via the shaft E63. The shaft E63 is supported by a bearing E66 (FIG. 5, etc.) attached to the hollow member E31, and is rotatable and axially slidable with respect to the bearing E66. The plate E61 is provided with pin holes E64 and E65. A pin E34 is provided on the side surface of the hollow member E31. The plate E61 is pulled out from the state where the pin E34 is passed through the pin hole E64, rotated about the shaft E63, and the pin E34 is inserted into the pin hole E65 (FIG. 8). As a result, the pin E62 is inserted into the recess X2 and the lower connecting member E6 is connected to the standard container X.

-Container guide device-
9 is a side view of the container guide device B in a posture when the standard container is loaded, FIG. 10 is a rear view thereof, and FIG. 11 is a plan view. Further, FIG. 12 is a side view of the container guide device B in a posture before loading a standard container, and FIG. 13 is a rear view thereof. FIG. 14 is a side view of the container guide device B in a posture when the standard container is pulled up, and FIG. 15 is a rear view thereof.

The container guide device B is a device that supports and guides a standard container X (FIG. 7 or the like) that is a target of cargo handling work using the adapter E, and is provided on the left and right sides of the rear portion of the special equipment unit 10. The left and right container guide devices B each include a base B10, a bed B20, and a guide member B30. Note that FIGS. 9 to 15 show the left and right container guide devices B as representatives. The container guide device B on the right side has a symmetrical configuration with the container guide device B on the left side, and has the same configuration as the container guide device B on the left side except for that point.

The base B10 is the basic structure of the container guide device B, and is located on both the left and right sides of the base frame A1 via the frame A12 (FIG. 4 and the like). The base B10 includes a mounting portion B11, a bracket B12, and a stopper B13. The mounting portion B11 is fixed to the outer end portion of the upper portion of the frame A12 in the vehicle width direction. The bracket B12 is a member that rotatably supports the bed B20, and the stopper B13 is a member that limits the rotation range of the bed B20. An arcuate concave portion B14 (FIG. 12 or the like) is provided on the upper surface of the stopper B13 in a side view.

The bed B20 is a member that receives and guides the standard container X, and is divided into a front part B21 and a rear part B22. The rear portion of the front part B21 is rotatably supported by the bracket B12 of the base B10 via the shaft Bs1, and includes left and right plates B23, a plurality of connecting members B24, and a stopper B25. The left and right plates B23 are connected by connecting members B24 at a plurality of front and rear positions. The stopper B25 is supported by the left and right plates B23, and includes a bar B25a. When the front part B21 rotates about the shaft Bs1, the bar B25a of the stopper B25 is seated from above in the recess B14 of the stopper B13 of the base B10.

The front part of the rear part B22 is rotatably supported by the front part B21 via the shaft Bs2, and includes left and right plates B26, a plurality of connecting members B27, and a lashing mechanism B28. The left and right plates B26 are connected by connecting members B27 at a plurality of front and rear positions. The lashing mechanism B28 ties the standard container X when the standard container X is loaded on the chassis 3. Further, the rear part B22 is fixed to the front part B21 via a pin (not shown) (the pin insertion portion Bp is shown in FIGS. 9 to 15). Further, the bed B20 is provided with a plurality of rollers Br. These rollers Br form a load receiving surface (surface receiving the standard container X) of the container guide device B. The load receiving surface in the horizontal state is set higher than the upper end of the guide roller A5 so that the guide roller A5 does not interfere with the standard container X during cargo handling work. That is, when the bed B20 rotates about the axis Bs1, the guide roller A5 does not come out from the load receiving surface of the bed B20 in a side view.

When the front part B21 and the rear part B22 are connected, the center of gravity of the entire bed B20 is located behind the axis Bs1, and as shown in FIGS. 14 and 15 when no external force is applied. The bed B20 tilts backward and faces the receiving surface backward. Further, the center of gravity of the rear part B22 is arranged on the rear side of the shaft Bs2. When the pin is removed and the connection with the front part B21 is released, the rear part B22 rotates with respect to the front part B21 about the shaft Bs2, and the rear part is in a downward posture. When carrying out cargo handling work for the dedicated container Y (FIG. 19), the container guide device B is folded in this way in order to avoid interference.

The guide member B30 is a member that presses and guides the lower left and right sides of the standard container X, is provided outside the bed B20 in the vehicle width direction, and projects upward from the load receiving surface of the bed B20. In the present embodiment, as the guide member B30, two guide members B31 and B32 are provided in one container guide device B. The distance between the left and right guide members B31 and the distance between the left and right guide members B32 when the receiving surface is horizontal is adjusted to the left and right width of the lower surface of the standard container X, and is about the same as the left and right width of the lower surface of the standard container X. It is slightly wider than that.

In the present embodiment, in the posture in which the load receiving surface is horizontal, the bed B20 extends parallel to the vehicle center line (parallel to the plane orthogonal to the wheel axis of the chassis 3), and the guide members B31 of the left and right container guide devices B are parallel. become. The left and right guide members B32 are also parallel. The center line CL of the shaft Bs1 connecting the base B10 and the bed B20 is inclined with respect to the wheel shaft of the chassis 3. In order to show the inclination of the center line CL, a line WL parallel to the wheel axis of the chassis 3 is shown by a two-dot chain line in FIG. 10 and the like. In this example, the center line CL of the axis Bs1 extends diagonally downward and forward toward the outside in the vehicle width direction.

-Binding device-
FIG. 16 is a side view showing the lashing device C in the lying posture together with the peripheral elements, FIG. 17 is a perspective view seen from diagonally left front, and FIG. 18 is a squinting device C in the standing posture together with the peripheral elements from diagonally left front. The viewed perspective view, FIG. 19, is a rear view thereof. The cargo handling vehicle in the present embodiment can perform cargo handling work by selectively targeting different types of the first container and the second container. In this example, the first container is the dedicated container Y (FIG. 19) and the second container is the standard container X. The lashing device C is a device that selectively ties the loaded dedicated container Y when the dedicated container Y, which is the first container, is loaded on the chassis 3, and is located on both the left and right sides near the tip (front end) of the dump frame A2. It is provided.

The left and right lashing devices C have a symmetrical configuration, and include a shaft C10, a first engaging member C20, and a crank C30, respectively. The shaft C10 is rotatably supported by the dump frame A2 via the bracket C11 in a posture in which the central axis is extended to the left and right. In the present embodiment, the left and right brackets C11 are fixed to the outer side surfaces of the tip end portion of the dump frame A2 in the vehicle width direction, respectively. The left and right shafts C10 supported by the brackets C11 are located above the upper surface of the dump frame A2 and below the upper surface of the base frame A1. In this embodiment, the left and right shafts C10 are arranged coaxially. A backing plate C12 is provided on the upper surface of the bracket C11.

The first engaging member C20 is an engaging member formed in an L-shaped hook shape by the base portion C21 and the tip portion C22, and the base portion C21 is fixed to the shaft C10 and is configured to be undulating with respect to the dump frame A2. Has been done. In the present embodiment, the first engaging member C20 is located above the bracket C11, and the lower end surface of the base portion C21 hits the backing plate C12 of the bracket C11 when the first engaging member C20 rotates back and forth. It is formed. As a result, the rotation range of the first engaging member C20 is limited.

When the base portion C21 is extended upward from the shaft C10 and the tip portion C22 is extended rearward (postures of FIGS. 18 and 19), the first engaging member C20 is a mating member Y1 provided at the lower part of the dedicated container Y. Can engage with (FIG. 19). Hereinafter, the posture of the first engaging member C20 that can engage with the mating member Y1 will be referred to as an "standing posture". The mating member Y1 is a square tubular member, and two members Y1 are arranged side by side corresponding to the left and right first engaging members C20 on the lower surface of the dedicated container Y. When the dedicated container Y is pulled by the cargo handling arm A3 and advances during cargo handling work, the left and right mating members Y1 cover and engage with the tip portions C22 of the left and right first engaging members C20 in the standing posture.

The movable parts (first engaging member C20, crank C30) of the left and right lashing devices C that rotate around the shaft C10 are formed so that the center of gravity is located behind the shaft C10 including the standing posture. ing. Therefore, when the first engaging member C20 is not subjected to an external force, a moment that tries to rotate the first engaging member C20 backward (clockwise when viewed from the left) from the standing posture acts on the shaft C10. The external force acting on the first engaging member C20 is, for example, a rotational force transmitted via the shaft C10 when the dedicated container Y abuts on the crank C30 and is pushed down. When not receiving such an external force, the first engaging member C20 tilts the base portion C21 diagonally upward rearward and the tip portion C22 diagonally downward rearward as shown in FIGS. 16 and 17. It becomes a posture (a posture with the corners of the L-shape facing up). Hereinafter, the posture of the first engaging member C20 will be referred to as a “falling posture”. In the lying posture, the highest portion of the lashing device C (in this example, the highest portion of the first engaging member C20) is lower than in the standing posture. Although the height of the highest part of the lashing device C in the standing posture is higher than the height of the load receiving surface of the container guide device B described above (substantially equal to the height of the lower surface of the loaded standard container X). , The height of the highest part of the lashing device C in the prone position is low (Fig. 16).

The crank C30 is an operation unit of the lashing device C, and is fixed to the shaft C10 in the same manner as the first engaging member C20. At this time, the left and right shafts C10 extend outward from the corresponding brackets C11 in the vehicle width direction, and the cranks C30 are fixed to the tips of the left and right shafts C10 facing outward in the vehicle width direction, respectively. The distance between the left and right cranks C30 is wider than the left and right inner dimensions of the base frame A1. Therefore, a notch A1a is provided on the upper surface of the base frame A1 and the inner surface in the vehicle width direction, and the left and right shafts C10 and the crank C30 pass through the notch A1a to the base frame A1 when the dump frame A2 is tilted. It is designed not to interfere. When the dump frame A2 is horizontally laid down, the crank C30 extending from the shaft C10 that has entered the inside of the hollow base frame A1 projects upward from the upper surface of the base frame A1 through the notch A1a. When the crank C30 is in an upright posture (in this example, a posture slightly tilted forward from the vertical position) as shown in FIGS. 16 and 17, the first engaging member C20 is in a prone posture, and from this state, the crank C30 is moved forward. When tilted, the first engaging member C20 shifts to the upright posture. The left and right cranks C30 are located on a straight line extending forward from the guide roller A5 described above. Since the left and right main girders Y2 (FIG. 19) provided on the lower surface of the dedicated container Y are guided to the guide roller A5, the main girder Y2 pushes the crank C30 forward and presses it in the process of pulling up the dedicated container Y. As a result, when the dedicated container Y is loaded, the first engaging member C20 mechanically stands up and engages with the mating member Y1.

-Cargo handling work-
-Cargo handling work of the standard container When loading the standard container X into the chassis 3, the cargo handling vehicle is stopped at a predetermined position in front of the standard container X, and first, in the state of FIGS. 1 to 3, the adapter E and the support post A11 are manually arranged. Break the connection. Further, the front part B21 and the rear part B22 of the bed B20 of the container guide device B are connected by a pin, and the load receiving surfaces of both are made flush with each other and turned to the rear. Next, the jack D is lowered and the hook arm A8 is advanced by performing a predetermined operation with an operating device such as a remote controller, and the hook F is hooked on the bar E2 of the adapter E as shown in FIG. When the hook F is hooked on the bar E2, the hook arm A8 is retracted together with the adapter E, the hydraulic cylinder A10 is extended as shown in FIG. 21, and the cargo handling arm A3 is rotated rearward. The adapter E brought out to the rear of the vehicle in this way is fixed to the front surface of the standard container X as shown in FIG. Specifically, in the process of lowering the adapter E behind the vehicle with the rotation of the cargo handling arm A3, first, the low-arranged first upper connecting member E4 provided on the adapter E is placed in the recess X1 on the right shoulder of the standard container X. Hang on. After confirming that the first upper connecting member E4 is hooked, the adapter E is further lowered, the right side expansion / contraction mechanism E3 is extended to the same length as the left side expansion / contraction mechanism E3, and this time the higher second upper part is extended. The connecting member E5 is hung on the recess X1 on the left shoulder of the standard container X. Then, when the adapter E is further lowered and grounded, the left and right lower connecting members E6 are manually connected to the standard container X.

After the above movement and mounting work of the adapter E is completed, the cargo handling arm A3 is rotated forward by performing a predetermined operation with an operating device such as a remote controller, and the standard container X is placed on the chassis 3 as shown in FIG. Pull up to. With the operation of the cargo handling arm A3, the front side of the standard container X is lifted with the lower part of the rear end as a fulcrum, and the cargo handling arm A3 rotates forward so that the vehicle and the standard container X come relatively close to each other. At that time, since the standard container X is heavy and does not have a roller at the bottom, the vehicle retracts and enters the lower side of the standard container X, and the left and right sides of the lower surface of the standard container X can be received by the container guide device B. .. After that, the cargo handling arm A3 further rotates forward, so that the standard container X is pulled up to the upper part of the chassis 3 while being guided by the container guide device B. The container guide device B guides the lower surface of the standard container X to be pulled up by the roller Br, and makes the load receiving surface of the bed B20 horizontal as the angle of the standard container X changes. When the cargo handling arm A3 falls down horizontally, the hook arm A8 is advanced, and the standard container X is advanced to a predetermined position on the chassis 3 as shown in FIG. 24. At this time, the lower surface of the standard container X passes above the lashing device C in the prone position. Finally, the standard container X is fixed to the container guide device B by the lashing mechanism B28 provided in the container guide device B, and the loading operation of the standard container X is completed.

The unloading work of unloading the standard container X from the loading platform can be performed in the reverse procedure of the above container loading work.

-Cargo handling work of the dedicated container When the dedicated container Y is loaded on the chassis 3, the cargo handling vehicle is stopped at a predetermined position in front of the dedicated container Y in the same manner as in the case of the standard container X. The adapter E and the support post A11 are connected, and the front part B21 and the rear part B22 of the bed B20 of the container guide device B are disconnected. Next, after performing a predetermined operation with an operating device such as a remote controller to lower the jack D and retract the hook arm A8, the hydraulic cylinder A10 is extended to rotate the cargo handling arm A3 rearward, and the bar of the dedicated container Y ( Hook F on (not shown). When the hook F hangs on the bar, a predetermined operation is performed by an operating device such as a remote controller to rotate the cargo handling arm A3 forward, and the dedicated container Y is pulled up onto the chassis 3. With the operation of the cargo handling arm A3, the front side of the dedicated container Y is lifted with the lower part of the rear end as a fulcrum. Since a roller (not shown) is attached to the lower part of the rear end of the dedicated container Y, the dedicated container Y is pulled forward by the cargo handling arm A3, and the left and right main girders Y2 of the dedicated container Y are received by the guide roller A5. After that, the cargo handling arm A3 further rotates forward, so that the dedicated container Y is pulled up to the upper part of the chassis 3 while being guided by the guide roller A5. When the cargo handling arm A3 falls down horizontally, the hook arm A8 is advanced, and the dedicated container Y is advanced to a predetermined position on the chassis 3. In this process, the main girder Y2 of the dedicated container Y pushes down the crank C30 of the lashing device C forward, so that the first engaging member C20 shifts from the lying posture to the standing posture. When the forward operation of the dedicated container Y is completed, the mating member Y1 of the dedicated container Y engages with the first engaging member C20, whereby the dedicated container Y is fastened by the lashing device C, and the loading work of the dedicated container Y is performed. Complete.

The unloading work of unloading the dedicated container Y from the loading platform can be performed in the reverse procedure of the above container loading work.

-Effect-
(1) In the lashing device C, when the container is not loaded or the standard container X is loaded, the first engaging member C20 is in an unused state in a lying position, but when the dedicated container Y to be lashed is loaded. , The crank C30 interferes with the dedicated container Y and stands up, and the dedicated container Y is fixed. That is, when the container is loaded, the lashing device C operates mechanically, and the corresponding dedicated container Y can be selectively lashed. As a result, it is not necessary to specify whether to load the dedicated container Y or the standard container X, and when the standard container X is loaded, the first engaging member C20 naturally takes an inverted posture and is dedicated. When loading the container Y, it naturally takes an upright posture. Therefore, since the operation of specifying the type of the loaded container is not required, the workability is improved, and the operator does not make an erroneous operation, and it is possible to prevent the loaded container from being bound normally. There is no need to provide a complicated interlock function to prevent erroneous operation. The actuator that drives the lashing device C is no longer required, which can be expected to improve energy efficiency and reduce the cost of cargo handling vehicles.

(2) Either the dedicated container Y or the standard container X is selectively loaded on the cargo handling vehicle of the present embodiment. When the dedicated container Y is loaded, the crank C30 interferes with the dedicated container Y to erect the first engaging member C20 as described above, and the dedicated container Y is naturally tied by the lashing device C. On the other hand, the standard container X does not have a portion for lashing with the lashing device C such as the mating member Y1 of the dedicated container Y. Therefore, the container guide device B is provided with the lashing mechanism B28, and the lashing mechanism B28 is fitted into the hole of the corner metal fitting from below to tie the standard container X. In the first place, the lower surface of the standard container X is flat, there is no member like the main girder Y2 of the dedicated container Y, and the width of the left and right is the full width of the cargo handling vehicle, so the configuration itself of flipping up the hook with the crank is the standard container. It cannot be used as a lashing mechanism for X.

On the other hand, in the present embodiment, when the dedicated container Y is not in contact with the crank C30, the first engaging member C20 is configured to naturally take a lying posture. At the time of lying down, the highest portion of the first engaging member C20 is lower than the load receiving surface of the container guide device B so as not to interfere with the standard container X. As a result, the above-mentioned basic effect (1) can be obtained even though the standard container X and the dedicated container Y are selectively loaded.

<Second Embodiment>
FIG. 25 is a side view schematically showing a lashing device provided in the container cargo handling vehicle according to the second embodiment of the present invention, and FIG. 26 is a plan view thereof. This embodiment is common to the first embodiment in that it is a cargo handling vehicle that selectively targets different types of the first container and the second container, but both the first container and the second container are dedicated. It differs from the first embodiment in that it is a container. In this example, dedicated containers having different volumes, such as a 4t container (not shown) for the first container and a 2t container (not shown) for the second container, are subject to lashing. The volumes of 2t, 4t, etc. are examples, and the volumes of the two types of dedicated containers are not particularly limited. However, for convenience of explanation, in the present embodiment and the third embodiment described later, the 2t container and the second container are used as the first container. As an example, a case where a 4t container is used will be described.
The lashing device G in the present embodiment selectively ties the 4t container when loading the 4t container on the chassis 3, and selectively ties the 2t container when loading the 2t container on the chassis 3. It is configured to be tied up. Hereinafter, the specific structure of the lashing device G will be described.

The installation position and support structure of the lashing device G are the same as those of the lashing device C, and the point that the left and right lashing devices G having a symmetrical structure are provided is also the same as that of the first embodiment. 25 and 26 illustrate the lashing device G on the left side. The left and right lashing devices G include a shaft G10, a first engaging member G20, a second engaging member G40, a crank G30 (FIG. 26), and a link G50, respectively. In FIG. 25, the crank G30 is not shown.

The shaft G10 is a member similar to the shaft C10 of the lashing device C of the first embodiment, and is supported by a bracket corresponding to the bracket C11 of the lashing device C, although not shown. The first engaging member G20 in the present embodiment is an engaging member for lashing the 4t container that engages with the mating member provided at the bottom of the 4t container. The first engaging member G20 is also the same as the first engaging member C20 of the lashing device C, and the base portion G21 and the tip portion G22 are formed in an L-shaped hook shape. A crank G30 is also attached to the shaft G10 in the same manner as the lashing device C. The behavior of the first engaging member G20 due to the undulations of the crank G30 is also common to the lashing device C. Here, there is a difference in the distance between the left and right main girders between the 4t container and the 2t container, and the distance between the main girders in the 2t container is narrower than that in the 4t container. The position of the crank G30 in the vehicle width direction is adjusted so as to interfere with the main girder of the 4t container and not to interfere with the main girder of the 2t container.

The second engaging member G40 is an engaging member for lashing the 2t container that engages with the mating member provided at the bottom of the 2t container, and like the first engaging member G20, the base portion G41 and the tip portion G42 It is formed in an L-shaped hook shape. The second engaging member G40 is rotatably connected to, for example, a bracket common to the first engaging member G20 via a pin G43 parallel to the shaft G10. In the present embodiment, the second engaging member G40 is located on a straight line extending forward from the first engaging member G20, and is connected to the first engaging member G20 via a link G50. In the present embodiment, a straight bar-shaped member is illustrated as the link G50, one end of which is the base portion G21 of the first engaging member G20 via the pin G51, and the other end of which is the second engaging member via the pin G52. It is rotatably connected to the base G41 of the G40. As a result, the first engaging member G20 and the second engaging member G40 are interlocked with each other. In this example, the quadrangle with the shaft G10 and the pins G43, G51, and G52 as the four corners form a parallelogram, and the link G50 is always in a posture of extending back and forth almost horizontally, and the highest of the lashing device G is always. The whole is made lower than the part.

As shown by the solid line in FIG. 25, the second engaging member G40 connected to the first engaging member G20 by the link 50 is in an upright posture when the first engaging member G20 is in the prone position, and the base G41 is pinned. It extends upward from G43 and extends the tip G42 rearward. From this state, for example, when the main girder of the 4t container pushes down the crank G30 forward, the first engaging member G20 shifts to the upright posture as shown by the alternate long and short dash line in the figure, and in conjunction with this, the second engaging member G20 is engaged. The joint member G40 falls forward and shifts to the prone posture. Further, in a state where the first engaging member G20 and the second engaging member G40 are connected by the link G50, the lashing device is set so that the first engaging member G20 is in a prone position when no external force is applied to the crank G30. The position of the center of gravity of the entire movable portion of G is adjusted. The highest portion of the first engaging member G20 in the lying posture is lower than the tip portion G42 of the second engaging member G40 in the standing posture (solid line in FIG. 25). Further, the highest portion of the second engaging member G40 in the lying posture is lower than the tip portion G22 of the first engaging member G20 in the standing posture (two-dot chain line in the figure).

Other configurations are the same as those in the first embodiment. However, since the standard container X is not a cargo handling target in this embodiment, all the configurations related to the cargo handling work of the standard container X such as the adapter E and the container guide device B can be omitted. Further, the positional relationship between the mating member of the 4t container and the first engaging member G20 that engages with the mating member of the 4t container and the positional relationship between the mating member of the 2t container and the second engaging member G40 that engages with the mating member of the 2t container correspond to each other. It can be changed as needed.

In the present embodiment, when the 4t container is loaded, the main girder of the 4t container interferes with the crank G30, the second engaging member G40 falls down, the first engaging member G20 stands up, and the first engaging member G20 stands up. The 4t container can be naturally fixed by the member G20. When loading a 2t container, the main girder of the 2t container does not interfere with the crank G30, the first engaging member G20 falls down and the second engaging member G40 stands up, and the 2t container is raised by the second engaging member G40. Can be tied up naturally. The lashing device C of the first embodiment is configured to selectively tie the dedicated container Y separately from the standard container X, but according to the present embodiment, the two types of dedicated containers are selectively lashed respectively. it can. It is also conceivable to apply the lashing device G of the present embodiment to the first embodiment so that three types of containers can be selectively loaded on the same cargo handling vehicle.

<Third Embodiment>
FIG. 27 is a side view schematically showing a state in which the first engaging member of the lashing device provided in the container handling vehicle according to the third embodiment of the present invention is in a lying down position, and FIG. 28 is a plan view thereof. FIG. 29 is a perspective view seen from the front left. FIG. 30 is a side view schematically showing a state in which the first engaging member of the lashing device is in an upright posture, FIG. 31 is a plan view thereof, and FIG. 32 is a perspective view seen from the left front. The present embodiment is common to the second embodiment in that two types of dedicated containers are selectively lashed, but the lashing device H according to the present embodiment has no link and has the first engaging member H20 and the first engaging member H20. 2 The engagement member H40 is different from the second embodiment in that both are fixed to the shaft H10. That is, in the second embodiment, the first engaging member G20 and the second engaging member G40 arranged in the front-rear direction are connected by the link G50, and both are interlocked via the link G50. On the other hand, in the present embodiment, the first engaging member H20 and the second engaging member H40 are fixed to the common shaft H10, and both are interlocked with each other via the shaft H10. In other words, the shaft C10 of the lashing device C of the first embodiment is extended inward in the vehicle width direction, and an engaging member added so as to be located inside the first engaging member C20 in the vehicle width direction is added to the shaft C10. Corresponds to the configuration fixed to.

The installation position and support structure of the lashing device H are the same as those of the lashing device G, and the point that the left and right lashing devices H having a symmetrical structure are provided is also the same as in the second embodiment. The size and shape of the first engaging member H20 and the second engaging member H40 can be appropriately changed depending on the configuration of the mating material to be engaged with, but the essential configuration is the first engaging member of the second embodiment. Equivalent to G20 and second engaging member G40. The first engaging member H20 is formed by the base portion H21 and the tip portion H22, and the second engaging member H40 is formed by the base portion H41 and the tip portion H42 in an L-shaped hook shape, respectively. The second engaging member H40 is fixed to the shaft H10 so that the first engaging member H20 is in the upright posture when the first engaging member H20 is in the lying down posture, and the base portion H41 is moved upward from the shaft H10 as shown in FIG. 27 and the like. And the tip H42 is extended backward. From this state, for example, when the main girder of the 4t container pushes down the crank H30 forward, the second engaging member H40 falls forward and shifts to the lying posture as the first engaging member H20 shifts to the upright posture. .. Further, the position of the center of gravity of the entire movable portion of the lashing device H is adjusted so that the first engaging member H20 is in the inverted posture when no external force is applied to the crank H30. The highest portion of the first engaging member H20 in the lying posture is lower than the tip H42 of the second engaging member H40 in the standing posture (FIG. 27), and the highest portion of the second engaging member H40 in the lying posture is in the standing posture. It is configured to be lower than the tip end portion H22 of the first engaging member H20 (FIG. 30).

Other configurations are the same as those in the second embodiment.

In the present embodiment, as in the second embodiment, when the 4t container is loaded, the main girder of the 4t container interferes with the crank H30, the second engaging member H40 falls down, and the first engaging member H20 The 4t container can be naturally fixed by the first engaging member H20 while standing up. When loading a 2t container, the main girder of the 2t container does not interfere with the crank H30, the first engaging member H20 is laid down and the second engaging member H40 stands up, and the 2t container is erected by the second engaging member H40. Can be tied up naturally. Therefore, the same effect as that of the second embodiment can be obtained in this embodiment as well. It is also conceivable to apply the lashing device G of the present embodiment to the first embodiment so that three types of containers can be selectively loaded on the same cargo handling vehicle.

<Modification example>
In each of the above embodiments, the case where the dump frame A2 is provided with the lashing device has been described as an example, but the base frame A1 may be provided with the lashing device. Further, the case where the lashing device is set to a predetermined posture by its own weight has been described as an example. For example, an elastic body such as a spring keeps the lashing device in a predetermined posture, and the crank is pushed down by the corresponding container. The lashing device may change its posture against the force of the spring. Further, although the configuration in which the hook type engaging member is provided in the lashing device is illustrated, the mating member of the dedicated container may be a hook type and the engaging member of the lashing device may be a tubular type to which a hook is hooked. Further, in the first embodiment, the mode in which the shaft Bs1 of the bed B20 of the container guide device B for guiding the standard container X is inclined with respect to the wheel shaft has been described, but the shaft Bs1 may be parallel to the wheel shaft. Further, although the case where a cargo handling vehicle in which a plurality of types of containers are selectively loaded is targeted as an example, the present invention can be applied to, for example, a cargo handling vehicle in which only one type of dedicated container is targeted for cargo handling. ..

3 ... chassis, A1 ... base frame, A2 ... dump frame, A3 ... cargo handling arm, B ... container guide device, C, G, H ... lashing device, C10, G10, H10 ... shaft, C20, G20, H20 ... 1 engaging member, C30, G30, H30 ... crank, G40, H40 ... second engaging member, G50 ... link, X ... standard container (second container), Y ... dedicated container (first container, second container) , Y1 ... Opposite member

Claims (5)

In a container handling vehicle having a chassis for loading a container and performing cargo handling work for loading and unloading the container on the chassis.
The frame provided on the upper part of the chassis is provided with a lashing device for lashing the container.
The lashing device
A first engaging member that is undulatingly provided on the frame and engages with a mating member provided at the bottom of the container in an upright state.
A crank provided with a crank that causes the first engaging member to stand up against the container when the container is loaded.
Among the first container and the second container as the container, the structure is such that the first container has the mating member and comes into contact with the crank.
Further provided with left and right container guide devices for supporting and guiding the second container during cargo handling work for the second container.
In a state where the first container does not abut on the crank and the first engaging member is laid down, the highest portion of the first engaging member is configured to be lower than the load receiving surface of the container guide device. Turkey container cargo handling vehicle. The container handling vehicle according to claim 1 , wherein the second container is a standard container conforming to a standard. A second engaging member that interlocks with the first engaging member and engages with a mating member provided at the bottom of the second container is further provided.
Wherein in a state where the first container is not in contact with the crank, container handling vehicle according to claim 1 which is configured such that the second engaging member and the first engagement member is laid down is erected. The container cargo handling vehicle according to claim 3 , wherein the second engaging member is connected to the first engaging member by a link so as to be interlocked with the first engaging member. The container handling vehicle according to claim 3 , wherein the second engaging member is fixed to the shaft together with the first engaging member and is configured to be interlocked with the shaft.

Images