JPH01309834A - Vehicle for container cargo working - Google Patents

Abstract

PURPOSE:To carry out conveyance without causing damage to a load by providing an up/down liftable supporting member in the rear of a container which is loadable/unloadable on a carrier composed of a truck and enabling loading/ unloading while keeping the horizontal posture by synchronizing the front and rear portions of the container. CONSTITUTION:Supporting members 3 each rotatably supporting a roller 7 on its bottom end are provided liftably along guide members 5 on both sides in the rear of a container body 2, whereas, a linking member 11 is provided in the center on the upper portion while providing a liftable movable member 16 on its lower portion in the front of the container body 2. On the other hand, a column device 51 which is longitudinally moved along a sub-frame 47 by the drive of a hydraulic motor via a chain 58 is provided on a carrier 45, and a linking member 61 which is lifted up/down by the action of a pair of hydraulic cylinders 71 is provided on this column device 51. A hook 63 on the linking member 61 is engaged with the movable member 16 to synchronously lift up the supporting members 3 via chains 21, 31 at the time of lifting up the movable member 16.

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a container handling vehicle that can load and unload containers onto a carrier while maintaining a horizontal attitude.

<Prior Art> Conventionally, there are the following container handling vehicles (Japanese Unexamined Patent Publication No. 52-57615). This container cargo handling vehicle consists of a bendable cargo handling arm provided on the body of a carrier, and a container in which a locking portion that is engaged with a hook at the tip of the cargo handling arm is grown at the upper end of the sprouting portion. When loading the container onto the carrier, the hook at the tip of the cargo handling arm hooks the locking section at the front of the container to pull the container diagonally up onto the vehicle body. Furthermore, when loading or unloading a container, the cargo handling arm is used to lower the container diagonally to the ground.

<Problems to be Solved by the Invention> However, in the above-mentioned conventional container handling vehicle, when loading and unloading the container onto the carrier, the container is oriented diagonally, so it is difficult to load pianos, furniture, fragile items, etc. into the container. There was a problem in that the things that could be stored in these containers were limited to garbage and waste.

SUMMARY OF THE INVENTION Therefore, it is an object of the present invention to provide a container handling vehicle that can load and unload containers onto a carrier while maintaining a horizontal position, and can therefore load pianos, furniture, fragile items, and the like.

<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 carrier, and the container includes a support member that can be raised and lowered provided at the rear of the container body,
- a container-side connecting member provided at the front of the container body, a container-side movable member provided at the front of the container body so as to be movable up and down, and an operation of the container-side movable member controlled by the support member. The carrier is provided with a transmission means for raising and lowering the supporting member by transmitting the information, and the carrier is provided with a column device movable on the vehicle body after movable, a column device drive means for moving the column device back and forth, and a column device that moves the column device up and down. a carrier-side connecting member that is movably provided and detachably connected to the container-side connecting member; a gear rear-side connecting member driving means for vertically moving the carrier-side connecting member;
A carrier-side movable member is provided on the column device so as to be vertically movable and is detachably connected to the container-side movable member, and a carrier-side movable member driving means for vertically moving the carrier-side movable member. It is said that

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.

<Operation> When loading a container onto a carrier, the front part of the container is lifted up by the carrier-side connecting member via the container-side connecting member, and the movable member on the container surface is held stationary with respect to the ground by the carrier-side movable member. The relative movement of the container-side movable member with respect to the container body is transmitted to the support member at the rear of the container by a transmission means to cause the support member at the rear of the container to protrude downward to lift the rear part of the container and synchronize the front and rear parts of the container body with each other. Raise it horizontally. Then, when the height of the container and the height of the vehicle body become the same height, for example, pull the connecting portion forward to support the rear part of the container on the ground by the support member, and move the container forward to the vehicle body -L of the carrier. Thereafter, the carrier-side movable member and the container-side movable member are actuated by the carrier-side movable member drive means to lift 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.

In addition, when the container is raised to the same height as the vehicle body, the carrier may be moved backward without pulling the connecting member forward, and the container may be mounted on the vehicle body.

<Example> Hereinafter, the present invention will be explained in detail with reference to illustrated embodiments.

FIG. 1 shows a container, in which pillar-shaped support members 3 are provided on both rear sides of a box-shaped container main body 2 and are guided by guide members 5 so as to be movable up and down. A bracket 6.6 is provided at the lower end of this sub-support member 3.3, and a roller 7.7 is rotatably provided on this bracket 6.6. Both rollers 7.7
are connected by the same shaft 8, so that both supports 3.3 can be raised and lowered in unison.

On the other hand, a connecting member 11 is provided at the center of the upper part of the curved surface of the container body 2. This connecting member II consists of a pair of brackets 12.12 and a pin I3 that connects the tips of the brackets 12.12.

Further, a movable member 16 is provided on the front surface of the container body 1 and below the connecting portion 11 so as to be movable up and down. This movable member I6 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 pair of rectangular plates 17 provided on this plate 17 so as to protrude forward. It consists of a bracket 18.18 and a pin 19 that connects both brackets 18.18. and,
Both upper ends of the plate 17 of the movable member are connected to protrusions 3a (only one side is shown) which protrude forward from the upper end of the support member 3.3, respectively, by chains 21.31 as transmission members. The protrusion 3a of the support member 3 can move up and down within the groove in front of the guide member 5. The chain 2■ 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 further bent by a sprocket 25 provided at the bottom 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. Further, the chain 31 is also wound around sprockets 33, 34, and 35 in exactly the same way as the chain 21, and is 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 will be projected downward via the chain 21.31.

Further, a chain 40 as a transmission member is connected to the support member 3.3 at the center of the lower part of the flat plate
The lower end of the roller 7.7 is connected to the center of the shaft 8 of the roller 7.7. The chain 4o extends in the vertical direction on the front surface of the container body 2, and is bent from the vertical direction to the front-rear direction by a sprocket 42 provided at the lower end of the surface of the container body 2, and furthermore, a sprocket 43 provided at the rear lower surface of the container body 2. It is bent in the vertical direction and connected to the shaft 8.

Therefore, by moving the movable member I6 downward from the state shown in FIG. 1, the chain 4° is loosened to allow the shaft 8 to descend, and thus to allow the support member 3 to descend. Conversely, when the movable member 16 moves upward from the lower end position, the chain 40 moves $1118.
The support IIt3°3 is pulled up via the chain 2I, while the chain 2I is loosened to allow the support member to rise.

FIG. 2 shows carrier 45. FIG. This carrier 45 has a channel-shaped subframe 47 on a chassis frame 46.
．． 47 are attached parallel to each other in the front-rear direction with the grooves facing inward. A column device 51 is provided on the sub-frames 47, 47 so as to be movable in the front and back direction shown by arrow X. This column device 51 is a subframe 47.47
It is designed to slide along the upper side of the sub-frame 47, 47 by sandwiching the upper side with slide pads 52, 52 from both the upper and lower sides. The column device 5I is provided with a column 55.55 consisting of a pair of channels.
．． The lower ends of 55 are connected by a bottom plate (not shown).

This bottom plate is fixed to a chain 58 that winds around sprockets 56 and 57 provided at the upper and rear portions of the front portion of the vehicle body. The front sprocket 57 is driven by a hydraulic motor 59. Therefore, by operating the chain 58 by the hydraulic motor 59, the column device 51 can freely move in the front and back direction indicated by the arrow x. Above chain 58, sprocket 56.57
and a hydraulic motor 59 constitute column device driving means.

On the other hand, a carrier-side connecting member 61 is provided on the rear surface of the column 55, 55 so as to be movable up and down in the vertical direction indicated by arrow Z. As shown in FIGS. 2 and 3, this carrier-side connecting member 61 is connected to the column 55 by rollers 64, 64, 64, 64°, etc. provided in pairs at each of the four corners of a U-shaped flat plate 62.
It is now possible to travel up and down along 55. A fuku 63 is fixed to the center of the flat plate 62. A pair of hydraulic cylinders 7 are installed inside the column 55.
1.71 is installed upright, and the upper end of the biton rod 71a (only one side is shown) of this hydraulic cylinder 71.71 is connected with a shaft 81, and both ends Z of this shaft 81 are connected to a sprocket 82.82 and a roller 83, respectively. , 83 is installed. The rollers 83, 83 roll in grooves in the column 55.55 and guide the vertical movement of the piston rod of this hydraulic cylinder 71.71. Further, a chain 84 fixed to one end of the tube of the hydraulic cylinder 71 is wound around the sprockets 82 and 82 and hangs downward, so that the connecting member 61
It is connected to the 1-shaped flat plate 62. Therefore, by extending the piston rod of the hydraulic cylinder 71, the connecting member 61 can be pulled up by the chain 42, and by contracting the piston rod of the hydraulic cylinder 71, the connecting member 61 can be lowered by its own weight. can. The hydraulic cylinder 71, sprocket 82, and chain 84 constitute a connecting member driving means.

On the other hand, a carrier-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. As shown in FIG. 2.4, the carrier side movable member 91 has a pair of clevises 95.55 extending rearward at the center of a member 92 bent in a U-shape so as to cover the rear and side surfaces of the column 55.55. 95 is installed. This clevis 9
A pin 96, which can be inserted into 5.95, is attached to the member 92 by wire. As shown in FIG. 4, the member 92 is provided with members 93, 93 that project to sandwich the rear sides of the columns 55, 55. And this member 93
and member 92 sandwich the rear side of column 55 via Zide pads 94, 94, so that movable member 91 can smoothly move up and down along column 55. The movable member 91 is a hydraulic cylinder 97 provided on the side of the colato 55.
This hydraulic cylinder 9 is connected to the tip of the piston rod of
7, this carrier-side movable 1-grid 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 handling vehicle with the above configuration operates as follows.

At present, the carrier 45 and the container I are in the state shown in FIG. In this state, the hook 63 of the carrier-side connecting member 61 is engaged with the pin 13 of the container-side connecting member 11, and the pin 19 of the container-side movable member 16 is engaged with the clevis 95.95 and pin 96 of the carrier-side movable member 91. engage.

Then, the carrier-side connecting member 61 is raised by extending the hydraulic cylinder 71, and the carrier-side movable member 91 is raised.
is held stationary with respect to the ground by deactivating the hydraulic cylinder 97. Then, the front part of the container 1 is lifted by the carrier side connecting member 6I via the container side connecting member 11, and at the same time, the rear part of the container 1 is lifted by the support member 3,
3 is raised as follows. That is, since the container side movable member 16 is stationary with respect to the ground due to the stationary carrier side movable member 91, when the container body 2 rises, the container side movable member 16 moves relative to the container body 2. The movement is transmitted to the support member 3 by the chain 21 and the chain 10, and the support members 3, 3 project downward, raising the rear part of the container 1 as shown in FIG. 5(b). That is, the front part of the container I is lifted up by the continuous gmurs, and the rear part is lifted up by the support member 3, and their movements are synchronous, so that the hus is horizontally moved as shown in FIG.
do. When the container I reaches the same level as the vehicle body of the carrier 45, the operation of the hydraulic cylinder 71 on the carrier side is stopped, the upward movement of the container I is stopped, and the hydraulic motor 59 is driven to control the column device 51. is moved forward, and as shown in FIG. 3(c), the container 1 is moved forward on the guide rollers 99. 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 l are supported by the container-side connecting member 6I and the carrier-side movable member 91. ll and the container-side movable member 16. Thereafter, with the container l mounted on the carrier 45, the hydraulic cylinder 97 of the carrier 45 is contracted, the carrier (I7+1 movable member 91 is raised, the container side movable member 16 is raised, The support member 3 is lifted up from the ground and placed in the state shown in FIG. 5(d).

When unloading the container 1 from the carrier 45, the operations may be performed in the order shown in FIG.

In this way, this container cargo handling vehicle lifts or lowers the front part of the container l using the connecting member 11, and simultaneously controls the relative movement of the container-side movable member I6 with respect to the container body 2 by using the chains 21, 31, 40.
This can be translated into an upward or downward movement of the support member 3 to lift or lower the rear part of the container l, thus allowing the container 1 to be loaded onto and unloaded from the carrier 45 while maintaining a horizontal position. can.

Furthermore, since the support member 3 at the rear of the container can be operated by the movable member 16 at the face of the container,
This container handling vehicle can easily load a container l while maintaining a horizontal posture by simply connecting the carrier side movable member 91 and the container side movable member 16 and connecting the carrier side connecting member 6I and the container side connecting member 11. , can be unloaded. Therefore, this container 1 can be loaded and unloaded without any problem even if a piano, furniture, fragile items, etc. are loaded thereon.

6 and 7 show modified examples of the container, which are basically chains 21, 31, . . . as transmission means in FIG.
40 was 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 installed inside this support member 103.
, this hydraulic cylinder 106 is attached to the guide member 105 via the bottle 109, and the hydraulic cylinder +0
6 is attached to the lower surface of the support member 103, and the roller 107 is attached to the lower end of the support member +03 via the bracket 108.
is installed. On the other hand, the movable member 116 has a hole 1 in the center.
It is composed of a flat plate 120 having 21. The connecting member 11 has the same construction as the connecting member shown in FIG. and,
The movable member +16 is connected to the tips of the piston rods of the hydraulic cylinders 123, 123, and the lower part, or head side, of this hydraulic cylinder +23 is connected to the upper part, or head side, of the hydraulic cylinder 106 by a pipe 142, and the rod side of the hydraulic cylinder 106 is connected to the upper part, or head side, of the hydraulic cylinder 106. It is connected to the rod side of the hydraulic cylinder 123 by a pipe +40. That is, this configuration is diagrammed as shown in FIG. 7. Therefore, by lowering the movable member 116, the support member +03 is lowered together with the piston rod of the hydraulic cylinder 106, and conversely, oil is supplied to the rod side of the hydraulic cylinder 106 through the pipe 140 in order to raise the movable member 116 from the lowered state. Once supplied, 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 movable member 116 is transmitted to the support member 103 by a hydraulic system instead of a chain drive system. be.

FIG. 8 and FIG. 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 of the container 201 is connected to the ground by the grounding member 202, when the carrier 45 itself is retreated as shown by the arrow in FIG. 9, the container 201 is loaded onto the carrier. At this time, the column device 51 is in a free state and is pushed by the container 201 to move against the vehicle body of the carrier 45. After the container 201 is completely mounted on the carrier 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 to the ground and the carrier 45 is moved backward, so that when the ground is uneven, the roller 7 in FIG.
It can be used without any problems compared to Shino, which uses .

<Effects of the Invention> As is clear from the above, the container cargo handling vehicle of the present invention is provided with a column device driven back and forth by a column device drive means on a carrier, and a carrier-side connecting member and a carrier-side movable column device are provided on the carrier. A member is provided, and a means for driving the carrier-side connecting member and the carrier-side movable member is provided, while a support member that can be raised and lowered is provided at the rear of the container body, and the container-side connecting member and the container-side movable member are provided at the front of the container body. By providing a transmission means for transmitting the operation of the container-side movable member to the supporting member, the curved portion of the container is supported by the carrier-side connecting member via the container-side connecting member, and the rear part of the container is supported by the carrier-side connecting member. The movement of the container-side movable member, which is restrained or actuated by the side movable member, 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. The carrier can be loaded and unloaded while maintaining the horizontal posture by synchronizing the front and rear parts, and therefore pianos, fragile objects, etc. can be transported with a simple and inexpensive configuration.

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 container bending part, the drive system can be simply provided on the carrier side. Often, the container does not need to be provided with equivalent drive means, and the container can be constructed inexpensively.

Furthermore, since the container handling vehicle of the present invention transmits the driving force of the carrier to the container at the front of the container through the connecting member and the movable member, the container can easily move up and down while maintaining a horizontal posture. It can also be easily moved back and forth.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of one embodiment of the container of the present invention;
The figure is a perspective view of one embodiment of the carrier of the present invention, FIG. 3 is a view of the column in FIG. 2 seen from above, FIG. 4 is a schematic sectional view of the movable member in FIG. 2, and FIG. (a),
(b), (c), and (d) are explanatory diagrams of the operation of the container cargo handling vehicle of the present invention, FIG. 6 is a perspective view of a modified example of the container of the present invention, and FIG. 7 is a schematic diagram of FIG. FIG. 8 is a perspective view of a main part of a modified example of the container, and FIG. 9 is a diagram illustrating the loading operation of the container of FIG. 8. 1.201...Container, 2...Container body, 3
．． 103...Supporting member, 11...Container side connecting member, 16.116...Container side movable member, 45...
- Carrier, 51... Column device, 61...
Carrier side connecting member, 91... Carrier side movable member, 21.40... Chain, 59... Hydraulic motor. Patent applicant: Kyokuto Kaihatsu Kogyo Co., Ltd. Agent: Patent attorney Haka Aoyama Figure 3 Figure 4

Claims (1)

[Claims] (1) Consisting of a container and a carrier, the container includes a support member provided at the rear of the container body that can be raised and lowered, a container-side connecting member provided at the front of the container body, and a front portion of the container body. a container-side movable member provided to be movable up and down, and 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 carrier is movable back and forth on the vehicle body. a column device provided therein, a column device driving means for moving the column device back and forth, a carrier side connecting member provided on the column device so as to be movable up and down and detachably connected to the container side connecting member; a carrier-side connecting member driving means for vertically moving the carrier-side connecting member; a carrier-side movable member provided on the column device so as to be vertically movable and detachably connected to the container-side movable member; and the carrier-side movable member. A container cargo handling vehicle characterized by comprising a carrier-side movable member drive means for vertically moving the container.