JPH0583415B2 - - 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 system in which a plurality of rows of conveyor devices that can be driven independently of each other are installed on the floor surface of a cargo box along the longitudinal direction of the vehicle body. The on-vehicle conveyor device has a front panel installed in parallel on the conveyor surface of each of the conveyor devices, and is deployed between the adjacent conveyor devices to partition the space inside the cargo box. The first step is to movably support a shutter that prevents the movement of cargo between conveyor devices in a packing box, and to store the shutter in a rolled or folded state in a shutter storage chamber provided at the front of the packing box. The characteristics of

Further, the present invention provides a plurality of rows of conveyor devices that can be driven independently from each other and is arranged in parallel on the floor of a cargo box along the longitudinal direction of the vehicle body, and a front panel is provided upright on the conveyance surface of each of the conveyor devices. An on-vehicle conveyor device comprising: a shutter that is deployed between adjacent conveyor devices to partition a space inside a cargo box and prevents movement of cargo between the two conveyor devices; the shutter is movably supported in the cargo box. The second feature is that the shutter is stored in an unfolded state in a shutter storage chamber that is provided so as to extend from the front part of the packaging box to the side part of the packaging box.

(2) Effect According to the above-described first feature of the present invention, when cargo is loaded between adjacent conveyor devices, if the shutter is closed and the partition is partitioned between both conveyor devices, the cargo can be moved laterally. This prevents baggage from getting mixed up. When the shutter is not in use, the shutter is compactly stored in a shutter storage chamber provided at the front of the cargo box in a rolled or folded state, so that the cargo box can be used widely.

Further, according to the second feature of the present invention, as in the above-mentioned case, the shutter prevents the cargo from being mixed, and the shutter is stored in an expanded state in the shutter storage chamber that extends from the front of the shutter box to the side. Therefore, the gap between the inner periphery of the cargo box and the conveyor device is effectively utilized, and the cargo box can be used widely.

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

1 to 9 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.
9 is a sectional view taken along the - line in FIG. 8.

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 attached to 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 includes links 17, 18, rollers 19, and pins 20.
The roller 19 is engaged with and guided by a chain guide 22 made of synthetic resin laid on the upper surface of a support member 21 extending along the inside of the side plate 12 of the frame F. Links 17 and 18 of endless chain 16
One synthetic resin cap 23 is attached to each two adjacent pins 20 protruding inward from the pins 20, and a large number of cylindrical slats 24 are installed between the opposing caps 23 of the left and right endless chains 16. The conveyance surface 5 is constructed by constructing the structure.

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 FIGS. 7 to 9, the shutter S has a large number of strip-shaped shutter members 39 attached to the hinge portion 39a.
The guide roller 40 provided at the upper end is connected to the ceiling surface 7 of the cargo box 3.
It moves with the guide roller 41 provided at the lower end engaged with the guide rail 9 formed on the floor surface 4.

The front panel P provided on the left and right conveyor devices C and the shutter S are detachably connected by an interlocking mechanism R, which will be described later. That is, the interlocking mechanism R
are drive protrusions 42l and 42r consisting of pins protruding from the left and right front panels P toward the shutter S.
A bracket 43 is fixed to sandwich both sides of the shutter member 39 at the rearmost end, and a pair of left and right hooks 45 are fixed to both ends of a rotating shaft 44 that is pivotally supported by the bracket 43 and rotate together.
It is equipped with 1,45r. Both hooks 45l, 45
r is biased forward by a spring 47 whose one end is locked to the left hook 45l and the other end is locked to a locking pin 46 protruding from the bracket 43, and is urged forward by a spring 47 that locks the other end to a locking pin 46 protruding from the bracket 43. The end of rotation is regulated by a stopper 48 provided on the bracket 43.

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.

Assume that both conveyor devices C are at the forward end and the shutter S is stored in the shutter storage section 10. For example, when the left conveyor device C is driven toward the rear of the vehicle from this state, the drive protrusion 42l provided on the front panel P is moved to the hook 45l.
is rotated against the elastic force of the spring 47 to the chain line position in FIG. 9, and the hook 45l is brought into contact with the stopper 48. As a result, driving force is transmitted from the front panel P to the shutter S, and the shutter S pressed against the front panel P is pulled out from the shutter storage portion 10 to a predetermined position at the rear of the vehicle body. At this time, if the right conveyor device C is driven backward and its front panel P overtakes the front panel P of the left conveyor device C that was ahead, the drive protrusion 42r of the right front panel P will be But hook 45r
By pressing , the shutter S moves further rearward.

Conversely, when both conveyor devices C are at the backward end and the shutter S is completely closed, the hooks 45l and 45r are pressed by the drive protrusions 42l and 42r of both front panels P, and the hooks 45l and 45r are pushed by the chain lines in FIG. in position. From this state, for example, when the left conveyor device C is driven toward the front of the vehicle body, the drive protrusion 42r of the front panel P moves forward leaving the hook 45r, and the shutter S engages with the drive protrusion 42l of the left front panel P. He is stopped and left in that position. Subsequently, when the left conveyor device C is moved forward, the drive protrusion 42l on the front panel P
moves leftward in Fig. 9 and both hooks 45
1 and 45r are rotated from the chain line position to the solid line position by the elastic force of the spring 47, and the left hook 45l engages with the driving protrusion 42l of the left front panel P. As a result, the shutter S is pulled forward by the left front panel P. In this way,
The shutter S automatically moves in conjunction with the front panel P on the rear side of the vehicle body among the left and right front panels P by the interlocking mechanism R, and partitions the two conveyor devices C to prevent mixing of cargo. .

10 to 12 show a second embodiment of the present invention, and FIG. 10 is the same cross-sectional view as FIG. 7,
Figure 11 is a cross-sectional view taken along the line X-X in Figure 10.
FIG. 2 is a sectional view taken along the line X--X in FIG. 11.

The interlocking mechanism R of this embodiment is provided with claw-shaped driving protrusions 49l and 49r on the surfaces of the left and right front panels P facing the shutter S, respectively, and a hook support plate 50 fixed horizontally to a bracket 43 provided on the shutter S. , and hooks 5 that can be engaged with the drive protrusions 49l and 49r are provided on both left and right sides thereof.
1l and 51r are pivotally supported by pins 52 so that they can be opened and closed left and right. A spring 5 is installed between the arms 53l and 53r that protrude rearward from the hooks 51l and 51r.
4 is stretched, and the hooks 51l, 51r
is biased in the direction of engagement with the drive protrusions 49l and 49r. Left and right links 56l and 56r are pivotally supported between the arms 53l and 53r by pins 55, respectively, and the pins 57 that interconnect the inner ends are elongated holes formed in the hook support plate 50 in the front-rear direction. 50a in a slidable manner. Then, as shown by the chain line in FIG. 11, both hooks 51
1, 51r are closed, the hook 51
A gap δ is formed between the outer ends of the drive protrusions 49l and 49r and the inner ends of the drive protrusions 49l and 49r.

According to this embodiment, when, for example, the left conveyor device C is driven backward in advance among both conveyor devices C, the drive protrusion 49l on its front panel P engages with the left hook 51l, The hook 51l is rotated against the spring 54 to the position shown by the chain line. At this time, the left and right links 56
The right hook 51r, which is interlocked and connected by 1 and 56r, also rotates to the chain line position at the same time. When the hook 51l rotates as described above and its tip contacts the bracket 43, the pressing force of the drive protrusion 49l is transmitted to the shutter S via the hook 51l, and the shutter S is moved into the shutter storage section. 10 and is pulled out to the rear of the vehicle.

Conversely, when the conveyor device C is driven forward and the front panel P moves forward, the driving protrusion 51l
The hook 51l, which has been released from the pressure, expands due to the elastic force of the spring 54 and engages with the driving protrusion 49l, which is in the middle of forward movement, as shown in FIG. As a result, the shutter S moves forward in conjunction with the advancing front panel P, and the shutter storage section 10 is moved forward for automatic purposes.
will be stored in.

Also in this embodiment, the left and right conveyor devices C
are driven separately and the front and rear positions of both front panels P are switched, the front panel P on the rear side of the vehicle body is connected to the shutter S by the interlocking function R, as in the previous embodiment, and the front panel P on the rear side of the vehicle body is connected to the shutter S. The front panel P on the side can be moved independently of the shutter S.

13 and 14 show a third embodiment of the present invention, in which FIG. 13 is the same sectional view as FIG. 7, and FIG. 14 is a sectional view taken along the line X-X in FIG. 13.

In the interlocking mechanism R of this embodiment, pin holes 59 are provided in the drive protrusions 58l and 58r provided on the floaton panel P.
1 and 59r are formed, and engaging portions 60l and 60 protruding from the bracket 43 on the shutter S side are formed.
Pin holes 61l and 61r are formed in r.
Then, the driving protrusion 58r of one of the left and right front panels P, for example, the right front panel P, and the engaging portion 60r of the bracket 43 are integrated by a continuous pin 62 inserted into the pin holes 59r, 61r. connected to.

According to this embodiment, the shutter S is always driven to open and close in conjunction with the front panel P on the side connected by the connecting pin 62. In this case, in order to prevent luggage from entering the front part of the front panel P, it is preferable to connect the front panel P on the rear side of the vehicle body to the shutter S.

15 to 17 show a fourth embodiment of the present invention, in which FIG. 15 is the same general plan view of the freight car as in FIG. 1, FIG. 16 is the same sectional view as in FIG. 7, FIG. 17 is a sectional view taken along the line X--X in FIG. 16.

As is clear from FIG. 15, the shutter storage chamber 63 of this embodiment extends rearward on the left side of the vehicle body through the front part of the left conveyor device C, and the lower guide rail 8 (see FIG. 16) ) and the upper guide rail 9 along the shutter storage chamber 63.
It extends in a letter shape. The wire 64 tied to the front end of the shutter S (the front side of the vehicle body when the shutter S partitions the left and right conveyor devices C) is attached to the cargo box 3.
The wire 64 is connected to a winding mechanism 65 provided at the left rear end of the shutter S, and the wire 64 is urged toward the rear of the vehicle body, that is, in the direction in which the shutter S is opened, by a coil spring housed inside the winding mechanism 65. On the other hand, as shown in FIGS. 16 and 17, the interlocking mechanism R includes drive protrusions 66 on the left and right front panels P.
l, 66r are the driving protrusions 6 on the shutter S side.
An engaging portion 67l that can be engaged with the rear surface of 6l and 66r,
67r is provided.

According to this embodiment, the driving protrusions 66l, 66r of the front panel P on the rear side of the vehicle body engage with the engaging parts 67l, 67r on the shutter S side, and the shutter S lets out the wire 64 from the winding mechanism 65. while being pulled out to the rear of the vehicle. Further, when the front panel P moves forward, the shutter S is moved by the winding mechanism 65.
It moves to follow the front panel P by the elastic force of , and is stored in the shutter storage chamber 63.

In this embodiment, the shutter storage chamber 63 is
Since it is formed along the inner periphery, there is no wasted space at the front of the cargo box 3, and the overall length of the conveyor device C can be made longer.

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, as another method for storing the shutter S, it is possible to store it in a spiral shape at the center of the cargo box 3 or across the entire width of the cargo box 3 at the front of the vehicle body, and also to fold it alternately like an accordion curtain. It is also possible to store it. Further, the shutter S does not necessarily need to be driven by the front panel P, but can be opened and closed by a dedicated drive mechanism, and of course can also be opened and closed manually. Further, the number of conveyor devices C arranged in parallel is not limited to two, but may be three or more, in which case it is desirable to increase the number of shutters S accordingly.

C. Effects of the Invention As described above, according to the first feature of 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 are separated from the left and right. They do not move and mix with each other. 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. Moreover, since the shutter is compactly stored in the shutter storage chamber when not in use, the cargo box can be used more widely.

According to the second feature of the present invention, in addition to the above effects, the shutter storage chamber is formed by utilizing the gap between the inner periphery of the cargo box and the conveyor device, so that the cargo box can be used more widely. can.

[Brief explanation of the drawing]

1 to 9 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.
A line sectional view, FIG. 9 is a - line sectional view of FIG. 8,
10 to 12 show a second embodiment of the present invention. FIG. 10 is the same sectional view as FIG. 7, FIG. 11 is a sectional view taken along the line X-X in FIG.
The figures are a sectional view taken along the line X-X of FIG. 11, and FIGS. 13 and 14 show a third embodiment of the present invention. FIG.
The figures are a cross-sectional view taken along the line V-V in Figure 13, and Figures 15-
FIG. 17 shows a fourth embodiment of the present invention, and FIG. 15 is an overall plan view of the same freight vehicle as in FIG.
FIG. 16 is the same sectional view as FIG. 7, and FIG. 17 is a sectional view taken along the line X--X in FIG. 16. 3... Packing box, 4... Floor surface, 5... Conveyance surface, 1
0,63... Shutter storage room, C... Conveyor device, P... Front panel, S... Shutter.

Claims (1)

[Scope of Claims] 1. A plurality of rows of conveyor devices C that can be driven independently from each other are arranged side by side on the floor surface 4 of the cargo box 3 along the longitudinal direction of the vehicle body, and a plurality of rows of conveyor devices C that can be driven independently from each other are arranged in parallel on the floor surface 4 of the cargo box 3, and on the conveyance surface 5 of each conveyor device C. This is an on-vehicle conveyor device each having a front panel P erected, which is deployed between adjacent conveyor devices C to partition the space inside the cargo box 3 and prevent cargo from moving between the two conveyor devices C. An on-vehicle conveyor device characterized in that a shutter S is movably supported in a packing box 3, and the shutter S is stored in a rolled or folded state in a shutter storage chamber 10 provided at the front of the packing box 3. 2. A plurality of rows of conveyor devices C that can be driven independently from each other are arranged side by side on the floor surface 4 of the cargo box 3 along the longitudinal direction of the vehicle body, and a front panel P is respectively erected on the conveyance surface 5 of each conveyor device C. This vehicle-mounted conveyor device is equipped with a shutter S that is deployed between adjacent conveyor devices C to partition the space inside the cargo box 3 and prevent cargo from moving between the two conveyor devices C. An on-vehicle conveyor device characterized in that the shutter S is movably supported and stored in an expanded state in a shutter storage chamber 63 provided so as to be continuous from the front part of the cargo box 3 to the side part of the cargo box 3.