JPH0583417B2 - - Google Patents

Description

[Detailed Description of the Invention] A. Object of the Invention (1) Industrial Field of Application The present invention is directed to a vehicle-mounted conveyor device equipped with multiple rows of conveyor devices that are arranged on the floor of a cargo box of a freight vehicle and are each driven independently. Regarding conveyor equipment.

(2) Conventional technology Conventionally, it is known that a freight vehicle equipped with a cargo box is equipped with a conveyor device on the floor of the cargo box to facilitate the loading and unloading of cargo (for example, , see Utility Model Application No. 60-72333).

(3) Problems to be Solved by the Invention By the way, if multiple rows of conveyor devices each of which can be driven independently are arranged on the floor of the cargo box in such a freight vehicle, the cargo can be sorted and loaded according to the destination. , that misallocation can be avoided.

However, this may cause the load to move laterally during transport and become mixed with loads on adjacent conveyor devices. In particular, if a conveyor device is equipped with a front panel to prevent cargo from collapsing forward, if a cargo enters the front part of the front panel from an adjacent conveyor device, the conveyor device will be forced forward. When the cargo is driven to the container, there is a possibility that the cargo may be caught between the front panel and the front wall of the cargo box and be damaged, or the conveyor device may malfunction.

The present invention was made in view of the above-mentioned circumstances, and an object of the present invention is to prevent the mixing of cargo between adjacent conveyor devices in a vehicle-mounted conveyor device in which multiple rows of conveyor devices are arranged on the floor of a cargo box. do.

B. Structure of the Invention (1) Means for Solving the Problems In order to achieve the above object, the present invention provides a vehicle-mounted conveyor system in which multiple rows of conveyor devices that can be driven independently of each other are arranged in parallel on the floor of a cargo box. In conveyor equipment,
Shutters that are deployed between adjacent conveyor devices to partition the space inside the cargo box and prevent the movement of cargo between the two conveyor devices are movably suspended and supported from the ceiling of the cargo box, and the shutters are stored. The present invention is characterized in that a driving function for moving the cargo box between the position and the partition position is provided on the ceiling of the cargo box.

(2) Effects According to the above-mentioned feature of the present invention, when sorting and loading baggage onto adjacent conveyor devices, if the shutter is closed by the shutter drive mechanism and a partition is created between both conveyor devices, the baggage can be sorted and loaded. This prevents lateral movement of items and prevents items from getting mixed up. When the shutter is opened by the shutter drive mechanism, both conveyor devices are connected and the loading platform can be used widely.

(3) Embodiments Hereinafter, embodiments of the present invention will be described based on the drawings.

1 to 8 show a first embodiment of the present invention, in which FIG. 1 is an overall plan view of a freight vehicle equipped with the conveyor device, FIG. 2 is a side view of the same, and FIG. 3 is a conveyor system. An enlarged plan view of the device, FIG. 4 is a sectional view taken along the line -- in FIG. 3, FIG. 5 is a sectional view taken along the - line in FIG. Figure 3 is a sectional view taken along the - line, and Figure 8 is a - line sectional view shown in Figure 7.
FIG.

As shown in FIGS. 1 and 2, the freight vehicle is equipped with a cargo box 3 on the rear side of a cab 1 provided at the front of the vehicle body, the rear end of which is opened and closed by left and right doors 2. Packing box 3
A pair of left and right conveyor devices C having the same structure are arranged along the front-rear direction of the vehicle body on the floor surface 4 of the vehicle, and the conveyor device C has a conveyance surface 5 extending to the rear end of the cargo box 3. A drive mechanism D is installed at the front of each conveyor device C, and the left and right conveyor devices C are driven independently. A front panel P having an L-shape in side view is fixed to the conveyance surface 5 of the conveyor device C, and its substrate 6 covers the upper surface of the drive mechanism D when the front panel P is at the forward end as shown. . Packing box 3
The interior space of the cargo box 3 can be divided into a left half and a right half by a shutter S that moves guided by a guide rail 8 provided on the ceiling surface 7 and a guide rail 9 provided on the floor surface 4. When the shutter S is not in use, it is wound up and stored in a shutter storage section 10 provided between the front end of the left conveyor device C and the cab 1.

As shown in FIGS. 3 to 6, each conveyor device C includes a rectangular frame F extending in the longitudinal direction of the vehicle body. A drive shaft 11 arranged in the left-right direction at the front end of the frame F and left and right side plates 1 of the frame F
A pair of left and right drive sprockets 14 and a pair of driven sprockets 15 are fixed to a driven shaft 13 that is pivotally supported between the rear ends of the drive sprockets 14 and 15, respectively.
Left and right endless chains 16 are wound between the driven sprocket 15 and the driven sprocket 15. The endless chain 16 is composed of links 17, 18, rollers 19, and pins 20, and the rollers 19 are attached to a chain guide 22 made of synthetic resin laid on the upper surface of a support member 21 that runs along the inside of the side plate 12 of the frame F. engaged and guided. The pins 20 protruding inwardly from the links 17 and 18 of the endless chain 16 have two adjacent ones.
One synthetic resin cap 23 is attached to each book, and the conveyance surface 5 is constructed by installing a large number of cylindrical slats 24 between the opposing caps 23 of the left and right endless chains 16.

Front panel P attached to the front end of the conveyance surface 5
A connecting member 25 extending left and right is fixed to the rear end of the board 6 with bolts 26, and left and right endless chains 16 are connected to connecting portions 27 provided at both ends of the connecting member 25.
The four pins 20 are engaged. A slider 29 made of synthetic resin is mounted on the inner surface of a bracket 28 that hangs down from both left and right ends of the board 6 and guides the board 6 by slidingly contacting the outer surface of the side plate 12. Further, at the front ends of the left and right auxiliary side plates 31 that constitute the frame F together with the left and right side plates 12, the support member 21, and the front plate 30, a slider 32 made of synthetic resin is located on the extension line of the endless chain 16. When the front panel P is at the forward end, it supports the lower surface of the board 6 (see FIG. 3).

The drive mechanism D provided at the front end of the conveyor device C is equipped with a motor mounting bracket 34 for mounting the motor 33 on the front plate 30, and on the opposite side of the motor mounting bracket 34 there is a motor mounting bracket 34 for reducing the driving force of the motor 33. A speed reducer 35 is attached to transmit power to the drive shaft 11. The drive mechanism D has a drive shaft 11 in the center.
A pair of right and left diamond-shaped drive shaft mounting brackets 37 are provided with bearings 36 for supporting the chain guide 22 and the drive sprocket 14 . A chain support member 38 having a circular cross section is protrudingly provided to support the endless chain 16 from below.

As shown in Figures 7 and 8, the shutter S
The box has a structure in which a large number of strip-shaped shutter members 39 made of synthetic resin are connected to each other in a flexible manner at a hinge portion 39a, and a guide roller 40 is provided at the upper end of the shutter member 39, and a guide roller 40 is provided on the ceiling surface 7 of the cargo box 3. The shutter drive mechanism M, which will be described later, is engaged with the roller support portion 8a of the shaped guide rail 8, and the guide roller 41 provided at the lower end thereof is engaged with the groove-shaped guide rail 9 formed on the floor surface 4. Move over. The shutter S may be of any type as long as it can be stored and unfolded, and may be of a curtain shape other than the one of this embodiment.

A shutter drive motor 42 is attached to the side plate 8b of the guide rail 8 at the front end of the straight portion of the guide rail 8 provided on the ceiling surface 7, that is, near the exit of the shutter storage section 10 provided at the front of the cargo box 3. The output shaft 43 extends inside the box-shaped guide rail 8. A drive sprocket 44 is fixed to the tip of the output shaft 43 of the shutter drive motor 42, while a driven sprocket 45 is pivotally supported by a rotating shaft 46 at the rear end of the guide rail 8 extending to the rear of the vehicle body. There is.

Drive sprocket 44 and driven sprocket 46
An endless chain 47 is wound between them.
The lower part of the endless chain 47 is guided by a synthetic resin chain guide 48 laid on the bottom plate 8c of the guide rail 8. A pin 49 of a guide roller 40 that suspends the rearmost shutter member 39 of the shutter S
is connected to a link 50 of the endless chain 47, and the driving force of the endless chain 47 is transmitted to the shutter S via this pin 49.

Next, the operation of the embodiment of the present invention having the above-described configuration will be explained.

Motor 3 installed in drive mechanism D of conveyor device C
3 is transmitted to the left and right drive sprockets 14 via the reducer 35 and the drive shaft 11, and the endless chain 1 wound around the drive sprockets 14.
6 is driven, and the conveying surface 5 consisting of a large number of slats 24 moves together with the front panel P. The left and right conveyor devices C can be driven independently, and when loads to be transported to different destinations are loaded onto the respective conveyor devices C, a shutter S is pulled out between the two conveyor devices C. That is, the shutter drive motor 4
When the drive sprocket 44 is rotated by 2,
This driving sprocket 4 and driven sprocket 45
An endless chain 47 wound therebetween is driven. At this time, since the endless chain 47 is connected by a pin 49 to a guide roller 40 that suspends the rearmost shutter member 39 of the shutter S, the shutter S is pulled out rearward from the shutter storage chamber 10 and transferred to both conveyors. Move the device C so that it is partitioned. When there is no need to partition both conveyor devices C, the shutter S pressed by the endless chain 47 is pushed back into the shutter storage chamber 10 and stored by rotating the shutter drive motor 42 in the opposite direction.

9 and 10 show a second embodiment of the present invention, FIG. 9 is the same cross-sectional view as FIG. 7,
FIG. 10 is a sectional view taken along the line X--X in FIG. 9.

The shutter drive mechanism M of this embodiment is arranged so that the right side of each shutter member 39 constituting the shutter S, that is, the shutter member 39 is connected to the shutter storage chamber 10
A rack 51 is provided on the side surface that is on the outside of the bend when it is stored in a wound state. As shown in FIG. 10, the racks 51 connect linearly to each other when the shutter member 39 is deployed. The shutter drive mechanism M also includes a guide rail 8.
A shutter drive motor 52 is mounted downwardly on the bottom plate 8c at the front end of the linear portion of the shaft, and a pinion 54 fixed to its output shaft 53 meshes with the rack 51.

According to this embodiment, by rotationally driving the shutter drive motor 52, the pinion 54 is rotated.
The shutter S moves through the shutter S, and the same effects as in the previous embodiment can be obtained. Moreover, the shutter drive mechanism M is the endless chain 47 of the previous embodiment.
It can be formed more compactly than the one using .

Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the embodiments described above, and various small design changes may be made without departing from the scope of the present invention as set forth in the claims. It is possible to do so.

For example, the number of conveyor devices C installed in parallel is not limited to two, but may be three or more, and in that case, it is desirable to increase the number of shutters S accordingly.
Further, as shown in FIG. 11, one conveyor device C is replaced with the shutter storage chamber 10 of the previous embodiment.
A plane view L extending from the front part of the vehicle along one side of the vehicle body.
A letter-shaped shutter storage chamber 55 can be formed. In this way, there is no wasted space in the front part of the cargo box 3, and the overall length of the conveyor device C can be made longer. Furthermore, even when forming a shutter storage chamber in the front part of the packing box 3, the shutters S may be stored in a spiral shape in the center of the packing box 3 or across the entire width of the packing box 3, or folded alternately like an accordion curtain. It is also possible to store it in

C. Effects of the Invention As described above, according to the present invention, adjacent conveyor devices are partitioned by shutters, so even if the loads are sorted and loaded on each conveyor device, the loads will move left and right and overlap each other. They never mix. In addition, since the cargo is prevented from falling between the front panel and the front wall of the cargo box, the cargo may be damaged if it gets caught between the front panel and the front wall of the cargo box, or the conveyor device may malfunction. The inconvenience of is avoided. Furthermore, when the shutter is opened, both conveyor devices are connected together, allowing large loads to be loaded. Moreover, since the shutter is automatically driven to open and close by the shutter drive mechanism, the labor required for opening and closing the shutter can be reduced.

[Brief explanation of the drawing]

1 to 8 show a first embodiment of the present invention, in which FIG. 1 is an overall plan view of a freight vehicle equipped with the conveyor device, FIG. 2 is a side view of the same, and FIG. 3 is a conveyor system. An enlarged plan view of the device, FIG. 4 is a sectional view taken along the line -- in FIG. 3, FIG. 5 is a sectional view taken along the - line in FIG. Figure 3 is a sectional view taken along the - line, and Figure 8 is a - line sectional view shown in Figure 7.
Line sectional views, FIGS. 9 and 10 show a second embodiment of the present invention, and FIG. 9 is the same sectional view as FIG. 7, and FIG. figure,
FIG. 11 is the same plan view as FIG. 1, showing a modification of the shutter storage chamber. C...conveyor device, M...shutter drive mechanism, S...shutter, 3...packing box, 4...floor surface.

Claims (1)

[Scope of Claims] 1. In a vehicle-mounted conveyor system in which a plurality of rows of conveyor devices C that can be driven independently of each other are arranged side by side on the floor surface 4 of a cargo box 3, the vehicle can be deployed between adjacent conveyor devices C to convey a cargo box. A shutter S that partitions the space inside the container 3 and prevents the movement of cargo between the two conveyor devices C is movably suspended and supported from the ceiling of the cargo box 3, and the shutter S can be moved between the storage position and the partitioning position. An on-vehicle conveyor device characterized in that a drive mechanism M for moving between cargo boxes 3 is provided on the ceiling of a cargo box 3.