JPH0525694B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a container handling vehicle that is capable of loading and unloading a container onto a loading vehicle while maintaining a horizontal attitude.

<Prior Art> Conventionally, there are the following container handling vehicles (Japanese Unexamined Patent Publication No. 57615/1983). This container cargo handling vehicle consists of a cargo handling vehicle and a container, and a hook at the tip of a bendable cargo handling arm provided on the body of the cargo handling vehicle can be used to hook a locking portion at the upper front end of the container. I have to. When loading the container onto the cargo handling vehicle, the hook at the tip of the cargo handling arm hooks the locking portion at the front of the container to pull the container diagonally up onto the vehicle body. Furthermore, when loading or unloading a container, the container is similarly turned diagonally and lowered to the ground using the cargo handling arm.

<Problems to be Solved by the Invention> However, in the conventional container handling vehicle described above, when loading and unloading the container onto the handling vehicle, the container is oriented diagonally, so it is difficult to load pianos, furniture, fragile items, etc. into the container. I can't do it,
There was a problem in that the things that could be stored in this container were limited to garbage and waste.

SUMMARY OF THE INVENTION An object of the present invention is to provide a container handling vehicle that can load and unload containers while maintaining a horizontal attitude, and can also load pianos, furniture, fragile items, etc.

<Means for Solving the Problems> In order to achieve the above object, a container cargo handling vehicle of the present invention includes a container and a cargo handling vehicle, and the container is provided with a container body and a rear portion of the container body so as to be movable up and down. , a support member that supports the container body on the ground, a container-side connecting member fixed to the front part of the container body, a container-side movable member provided in the front part of the container body so as to be movable up and down, and the above-mentioned container body. The cargo handling vehicle includes a transmission means for transmitting the operation of the container-side movable member to the support member to raise and lower the support member, and the cargo handling vehicle includes a vehicle body, a column device configured to be movable back and forth on the vehicle body, and a column device and the column device. a column device drive means for moving back and forth; a cargo handling vehicle side connecting member provided on the column device so as to be vertically movable and connected to the container side connecting member; and a cargo handling vehicle side connecting member for vertically moving the cargo handling vehicle side connecting member. a connecting member driving means; provided in the column device so as to be movable up and down;
It is characterized by comprising a cargo handling vehicle side movable member connected to the container side movable member, and a cargo handling vehicle side movable member driving means for vertically moving the cargo handling vehicle side movable member.

Preferably, the lower end of the support member is provided with, for example, a roller or a grounding member that is immovably in contact with the ground.

<Function> When loading the above-mentioned container onto a cargo handling vehicle, the front part of the container is lifted up by the cargo handling vehicle side connecting member via the container side connecting member, and the container side movable member at the front of the container is moved to the cargo handling vehicle side. The container is held stationary relative to the ground by a member, and the resulting downward movement of the container-side movable member relative to the rising container body is transmitted to the support member at the rear of the container by a transmission means. The rear support member is made to protrude downward relative to the container body to lift the rear part of the container body.
Then, the front part of the container main body, which is lifted by the cargo handling vehicle side connecting member via the container side connecting member, and the rear part of the container, which is lifted by the support member, are synchronized and raised in a horizontal position. When the height of the container and the height of the vehicle body become the same height, the support member supports the rear part of the container on the ground, and the cargo handling vehicle side connection member pulls the container side connection member forward. Then, the container is advanced onto the body of the cargo handling vehicle. Thereafter, the cargo handling vehicle side movable member is raised by the cargo handling vehicle side movable member driving means, thereby raising the container side movable member and lifting the support member from the ground. Further, when lowering the container to the ground, the container can be lowered to the ground while maintaining a horizontal attitude by performing the operation opposite to the above-described operation.

Note that when the container is raised to the same height as the vehicle body, the container may be mounted on the vehicle body by moving the cargo handling vehicle backward without pulling the container-side connecting member forward.

<Examples> Hereinafter, this invention will be described in detail by way of illustrations and examples.

FIG. 1 shows a container, in which column-shaped support members 3 are attached to guide members 5 on both rear sides of a box-shaped container body 2.
It is installed so that it can be raised and lowered freely by being guided by. Brackets 6, 6 are provided at the lower ends of both support members 3, 3,
Rollers 7, 7 are rotatably provided on the brackets 6, 6. Both rollers 7, 7 share the same shaft 8.
, so that both support members 3, 3 can move up and down in synchronization.

On the other hand, a connecting member 11 is fixed to the upper center of the front surface of the container body 2. This connecting member 1
1 consists of a pair of brackets 12, 12 and a pin 13 connecting the tips of the brackets 12, 12. Further, a movable member 16 is provided at the front of the container body 1 and below the connecting member 11 so as to be movable up and down. This movable member 16 includes a rectangular plate 17 that is guided in a vertically movable manner by a pair of guide members 15, 15 whose both ends are fixed to the container body 2, and a rectangular plate 17 that is provided on this plate 17 so as to protrude forward. It consists of a pair of brackets 18, 18, and a pin 19 connecting the two brackets 18, 18. Both upper ends of the plate 17 of the movable member are provided with protruding portions 3a that protrude forward from the upper ends of the supporting members 3 and 3, respectively, by chains 21 and 31 as transmission members.
(Only one side is shown.) The protruding portion 3a of the support member 3 can move up and down within the groove in front of the guide member 5. The chain 21 is bent horizontally from above by a pair of sprockets 23 and 24 provided at the upper front of the container body 2, and further bent downward from the horizontal direction, and is further bent by a sprocket 25 provided at the lower part of the container body 2. It is bent from the up-down direction to the front-back direction, and extends upward from the front-back direction by a sprocket 26 provided on the rear side surface of the container body 2, and is connected to the protrusion 3a. Also, the chain 31 has sprockets 33,
34 and 35 and connected to a protrusion (not shown) of the other support member 3. Therefore, by pushing the movable member 16 downward from the state shown in FIG. 1, the support member 3 is caused to project downward via the chains 21, 31.

Further, at the center of the lower part of the flat plate 17 of the movable member 16, the lower ends of the support members 3, 3 are connected to the center of the shafts 8 of the rollers 7, 7 via a chain 40 as a transmission member. The chain 40 extends vertically at the front of the container body 2, and
It is bent from the up-down direction to the front-rear direction by a sprocket 42 provided at the front lower end of the container body 2, and further bent in the up-down direction by a sprocket 43 provided at the rear lower surface of the container body 2, and connected to the shaft 8. ing.

Therefore, by moving the movable member 16 downward from the state shown in FIG.
is loosened to allow the shaft 8 to descend, that is, to allow the support member 3 to descend. Conversely, when the movable member 16 moves upward from the lower end position, the chain 40 pulls up the support members 3, 3 via the shaft 8, while the chain 21 is arranged to allow the support member to rise. It will become loose.

FIG. 2 shows a cargo handling vehicle 45. As shown in FIG. This cargo handling vehicle 4
Reference numeral 5 has channel-shaped subframes 47, 47 mounted on a chassis frame 46 in the front-rear direction in parallel with each other and with grooves facing inward. The chassis frame 46 and subframe 47 constitute a vehicle body. A column device 51 is provided on the subframes 47, 47 so as to be movable in the front and back direction shown by arrow X. This column device 51 is connected to the subframes 47, 47 by sandwiching the upper sides of the subframes 47, 47 with slide pads 52, 52 from both upper and lower sides.
It is designed to slide along the top edge of the
The column device 51 includes columns 55, 55 consisting of a pair of channels.
The lower ends of the two are connected by a bottom plate (not shown).
This bottom plate is fixed to a chain 58 that winds sprockets 56 and 57 provided at the front and rear parts of the vehicle body. The front sprocket 57 is driven by a hydraulic motor 59. Therefore, by operating the chain 58 using the hydraulic motor 59, the column device 51 can be freely moved in the front and rear directions indicated by the arrow x. The above chain 58, sprockets 56, 57
and a hydraulic motor 59 constitute column device driving means.

On the other hand, a cargo handling vehicle side connecting member 61 is provided on the rear surface of the columns 55, 55 so as to be movable up and down in the vertical direction indicated by arrow Z. This cargo handling vehicle side connecting member 6
1 is a U-shaped flat plate 62 as shown in FIGS.
A pair of rollers 64, 64, 64, provided at each of the four corners of the
64, . . . allows it to run up and down along the columns 55, 55. A hook 63 is fixed to the center of the flat plate 62. A pair of hydraulic cylinders 71, 71 are installed inside the columns 55, 55, and the hydraulic cylinders 71,
The upper ends of the piton rods 71a (only one side is shown) of 71 are connected by a shaft 81, and sprockets 82, 82 and rollers 8 are connected to both ends of the shaft 81, respectively.
3,83 is installed. The above rollers 83, 8
3 rolls in the grooves of the columns 55, 55 and guides the vertical movement of the piston rods of the hydraulic cylinders 71, 71. Further, a chain 84 fixed to one end of the tube of the hydraulic cylinder 71 is wound around the sprockets 82, 82, hangs downward, and is connected to the U-shaped flat plate 62 of the connecting member 61.
Therefore, by extending the piston rod of the hydraulic cylinder 71, the cargo handling vehicle side connecting member 61 can be pulled up by the chain 42, and by contracting the piston rod of the hydraulic cylinder 71, the cargo handling vehicle side connecting member 61 can be pulled up. can be lowered by its own weight. The above hydraulic cylinder 7
1. The sprocket 82 and the chain 84 constitute a cargo handling vehicle side connecting member driving means.

On the other hand, a cargo handling vehicle side movable member 91 is provided along the columns 55, 55 so as to be movable up and down in the vertical direction indicated by arrow Z. The cargo handling vehicle side movable member 91
As shown in Figures 2 and 4, columns 55 and 55
A pair of clevises 9 are provided rearward in the center of a U-shaped member 92 that covers the rear and side surfaces.
5,95 is installed. This clevis 95,
A pin 96 that can be inserted into the pin 95 is attached to the member 92 by a wire. As shown in FIG. 4, the member 92 is provided with members 93, 93 that protrude to sandwich the rear sides of the columns 55, 55.
The rear side of the column 55 is sandwiched between the member 93 and the member 92 via the side pads 94, 94, so that the cargo handling vehicle side movable member 91 can smoothly move up and down along the column 55. . The cargo handling vehicle side movable member 91 is connected to the tip of the piston rod of a hydraulic cylinder 97 as a cargo handling vehicle movable member drive means provided on the side of the column 55, and by operating this hydraulic cylinder 97, the cargo handling vehicle side movable member 91 is The vehicle side movable member 91 can be driven in either the up or down direction.

Note that 99 is a guide roller provided on the rear end side of the subframe.

The container cargo handling vehicle having the above configuration operates as follows.

Now, the cargo handling vehicle 45 and the container 1 are in the state shown in FIG. In this state, the hook 63 of the cargo handling vehicle side coupling member 61 is engaged with the pin 13 of the container side coupling member 11, and the container side movable member 16 is engaged with the pin 13 of the container side coupling member 11, and the container side movable member 16 is The pin 19 is engaged. Then, the cargo handling vehicle side connecting member 61 is raised by extending the hydraulic cylinder 71, and the cargo handling vehicle side movable member 91 is kept stationary with respect to the ground with the hydraulic cylinder 97 inactive. Then, the front part of the container 1 is lifted by the cargo handling vehicle side connecting member 61 via the container side connecting member 11, and at the same time, the rear part of the container 1 is lifted by the supporting members 3, 3 as follows. That is, since the container side movable member 16 is stationary with respect to the ground due to the stationary cargo handling vehicle side movable member 91, when the container body 2 rises, the container side movable member 16 moves against the container body 2. The movement is transmitted to the support member 3 by the chain 21 and the chain 40, and the support members 3, 3
protrudes downward and raises the rear part of the container 1 as shown in FIG. 5b. That is, the front part of the container 1 is lifted up by the cargo handling vehicle side connection member 61 via the container side connection member 11, and the rear part is lifted up by the support member 3, and their movements are synchronized. As shown in b, it rises horizontally. When the container 1 reaches the same level as the body of the cargo handling vehicle 45, the operation of the hydraulic cylinder 71 on the cargo handling vehicle side is stopped, the upward movement of the container 1 is stopped, and the hydraulic motor 59 is driven to The device 51 is moved forward and the container 1 is moved to the guide roller 99 as shown in FIG. 5c.
and move it forward. At this time, the rear part of the container 1 is supported on the ground by the roller 7 at the lower end of the support member 3, and the upper and lower parts of the front part of the container 1 are connected to the cargo handling vehicle side connecting member 61 and the cargo handling vehicle side movable member 91. Therefore, the container side connecting member 11
and is pulled via the container-side movable member 16. Thereafter, with the container 1 placed on the cargo handling vehicle 45, the hydraulic cylinder 97 of the cargo handling vehicle 45 is contracted to raise the cargo handling vehicle side movable member 91,
The container side movable member 16 is raised and the chain 4
The support member 3 is lifted up from the ground via the fifth
Make the state as shown in Figure d.

When unloading the container 1 from the cargo handling vehicle 45, the operations may be performed in the order of d, c, b, and a in FIG. 5 in the reverse order of the operations described above.

In this way, this container handling vehicle lifts or lowers the front part of the container 1 using the container-side connecting member 11, and also controls the relative movement of the container-side movable member 16 with respect to the container body 2 through the chains 21, 31, and 40. Therefore, the rear part of the container 1 can be lifted or lowered by converting the movement of the support member 3 into an upward or downward movement, and the container 1 can be loaded onto the cargo handling vehicle 45 while maintaining a horizontal position. It can be loaded and unloaded.

Furthermore, since the support member 3 at the rear of the container can be operated by the container-side movable member 16 at the front of the container, this container cargo handling vehicle simply connects the cargo-handling vehicle-side movable member 91 and the container-side movable member 16. By simply connecting the cargo handling vehicle side connecting member 61 and the container side connecting member 11, the container 1 can be easily loaded while maintaining a horizontal posture.
You can take it down. Therefore, this container 1 can be loaded and unloaded without any problem even when loaded with pianos, furniture, fragile items, etc.

6 and 7 show modified examples of the container, in which the chains 21, 31, 40 as the transmission means in FIG. 1 are basically converted into hydraulic piping. That is, this container is provided with pillar-shaped support members 103 on both rear sides of the container body 2, which are guided by guide members 105 and can be moved up and down. A hydraulic cylinder 106 is provided within this support member 103, this hydraulic cylinder 106 is attached to the guide member 105 via a pin 109, the tip of the hydraulic cylinder 106 is attached to the lower surface of the support member 103, and a bracket is attached to the lower end of the support member 103. 108
The roller 107 is attached via the. on the other hand,
The container side movable member 116 is constituted by a flat plate 120 having a hole 121 in the center. The container side connecting member 11 has the same structure as the container side connecting member shown in FIG. Then, the container-side movable member 116 is connected to the tips of the piston rods of the hydraulic cylinders 123, 123, and the hydraulic cylinders 12
The lower part of 3, that is, the head side is connected to the hydraulic cylinder 106.
The rod side of the hydraulic cylinder 106 is connected to the rod side of the hydraulic cylinder 123 by a pipe 140. That is, this configuration is diagrammed as shown in FIG. 7. Therefore, by lowering the movable member 116, the piston rod of the hydraulic cylinder 106 and the support member 103
is lowered, and conversely, when the movable member 116 is raised from the lowered state, oil is supplied to the rod side of the hydraulic cylinder 106 through the pipe 140, and the piston rod of the hydraulic cylinder 106 is retracted. That is, the container shown in FIGS. 6 and 7 differs from the embodiment shown in FIG. 1 only in that the operation of the container-side movable member 116 is transmitted to the support member 103 by a hydraulic system instead of a chain drive system. It is different from

FIGS. 8 and 9 show another modification of the container. This container 201 differs from the container 1 shown in FIG. 1 only in that a grounding member 202 is provided at the lower end of the support member in the form of a flat plate and having a corrugated holding portion 202a on the lower surface. Identical components are given the same numbers and explanations will be omitted.

Since the lower end of the support member 3 is connected to the ground by the grounding member 202, this container 201 has a ninth
When the cargo handling vehicle 45 itself is moved backward as shown by the arrow in the figure, the container 201 is loaded onto the cargo handling vehicle. At this time, the column device 51 is in a free state and is pushed by the container 201 to move forward relative to the body of the cargo handling vehicle 45. container 20
1 is completely mounted on the cargo handling vehicle 45, the support member 3 is pulled up and the grounding member 202 is separated from the ground.

In this embodiment, the grounding member 202 at the lower end of the support member 3 is fixed on the ground to allow the cargo handling vehicle 45 to move backward, so if the ground is uneven, the roller 7 shown in FIG. 1 may be used. In comparison, it can be used without any problems.

Note that the container and the cargo handling vehicle may be configured to be detachable, or may be connected at all times so that they are not separated. An example of such separation is one in which a dedicated container is connected to a cargo handling vehicle and there is no need to separate it, and the container is lowered to the ground when loading heavy goods into the container. It is.

Note that, for example, the container has a rear door provided at the rear part opened double-door, and objects to be transported, such as a piano, are loaded and accommodated therein. If necessary, the conveyed object is secured to the container with lashing members. The container may be provided with a door on the side. It goes without saying that these containers have doors.

<Effects of the Invention> As is clear from the above, the container cargo handling vehicle of the present invention includes a column device which is driven back and forth by a column device driving means on the cargo handling vehicle, and a cargo handling vehicle side connecting member and a cargo handling vehicle side connecting member to the column device. A vehicle-side movable member is provided, and a cargo-handling vehicle-side coupling member drive means and a cargo-handling vehicle-side movable member drive means are provided for driving the cargo-handling vehicle-side coupling member and the cargo-handling vehicle-side movable member, and a support that can be raised and lowered is provided at the rear of the container body. By providing a container side connecting member and a container side movable member at the front part of the container body, and providing a transmission means for transmitting the operation of the container side movable member to the supporting member, the front part of the container is connected to the container body. While being raised and lowered or stationary by the cargo handling vehicle side connecting member via the side connecting member,
The rear part of the container is restrained or actuated by the movable member on the cargo handling vehicle side, and the operation of the movable member on the container side is transmitted to the support member via the transmission means to move the support member up and down, thereby moving the rear part of the container up and down. This makes it possible to synchronize the front and rear parts of the container and to load and unload the container onto and off the cargo handling vehicle while maintaining its horizontal orientation. It is possible to transport fragile items, etc.

Further, in the container cargo handling vehicle of the present invention, since the support member for vertically moving and supporting the rear part of the container is operated by the movable member at the front part of the container, the drive system is moved toward the cargo handling vehicle side. There is no need to provide any driving means in the container, and the container can be constructed at low cost.

Further, in the container cargo handling vehicle of the present invention, the driving force of the cargo handling vehicle is transmitted to the container at the front part of the container by the cargo handling vehicle connecting member and the cargo handling vehicle side movable member, so that the container can easily maintain a horizontal posture. The column device can be moved back and forth to easily move the container back and forth.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of an embodiment of the container of the present invention, Fig. 2 is a perspective view of an embodiment of the cargo handling vehicle of the invention, Fig. 3 is a view of the column in Fig. 2 viewed from above, 4 is a schematic cross-sectional view of the movable member in FIG. 2, FIGS. 5 a, b, c, and d are explanatory diagrams of the operation of the container handling vehicle of the present invention, and FIG. 6 is a modified example of the container of the present invention. 7 is a schematic diagram of FIG. 6, FIG. 8 is a perspective view of a main part of a modified example of the container, and FIG. 9 is a diagram for explaining the loading operation of the container of FIG. 8. DESCRIPTION OF SYMBOLS 1,201... Container, 2... Container main body, 3,103... Support member, 11... Container side connection member, 16,116... Container side movable member, 45... Cargo handling vehicle, 51... Column device ,6
DESCRIPTION OF SYMBOLS 1...Cargo handling vehicle side connection member, 91...Cargo handling vehicle side movable member, 21, 40...Chain, 59...Hydraulic motor.

Claims (1)

[Claims] 1. Consists of a container 1,201 and a cargo handling vehicle 45, and the container 1,201 has a container main body 2.
, a support member 3, 103 which is provided at the rear of the container body 2 so as to be movable up and down and supports the container body 2 on the ground; a container-side connecting member 11 fixed to the front part of the container body 2; Container side movable members 16, 116 are provided on the front part of the container body 2 so as to be movable up and down, and the operation of the container side movable members 16, 116 is controlled by the support member 3,
103 to raise and lower the support members 3, 103;
The cargo handling vehicle 45 includes vehicle bodies 46 and 47, a column device 51 which is provided so as to be movable back and forth on the vehicle bodies 46 and 47 and has a column 55, and a column device drive means for moving the column device 51 back and forth. 5
8, 56, 57, 59, and a cargo handling vehicle side connecting member 61 which is provided on the column device 51 so as to be movable up and down and is connected to the container side connecting member 11.
Cargo handling vehicle side connecting member drive means 71, 82, 84 for vertically moving the cargo handling vehicle side connecting member 61, and cargo handling vehicle side connecting member driving means 71, 82, 84 provided on the column device 51 so as to be vertically movable and connected to the container side movable members 16, 116. A container cargo handling vehicle characterized by comprising a vehicle side movable member 91 and a cargo handling vehicle side movable member driving means 97 for vertically moving or stationary the cargo handling vehicle side movable member 91.