JPH0924763A - Cargo collapsing prevention device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To fasten cargoes loaded over a pallet by comparatively simple works even if the cargoes are changed in size and height. SOLUTION: A pallet 21 on which cargoes 22 are loaded, is disposed over a floor 12a of a box loading platform 12 by a conveyor 16 capable of being moved, and a stopper 17 capable of fastening the pallet 21 over a conveyor 16, is so formed that it can be projected frequently out of the conveyor 16. A net 18 capable of extended/contracted, is provided above the fixed pallet 21, and a plurality of guide rails 19 are erected at both sides of the box loading platform. A plurality of locked parts 19a, 19b and 19c on which end peripheries of a net 18 can be selectively locked, are formed in the vertical direction with respect to the guide rails 19 at specified intervals. By selectively locking the end peripheries of the net 18 over to the locked parts, the net 18 is extended so as to cover upper and side surfaces of the cargoes 22 loaded over the pallet 21, and the cargoes are so set that they can be pressed in contact with the pallet by tension force of the net 18.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for preventing a load loaded on a car bed of a vehicle from collapsing due to a sudden start, a sudden stop, a sudden turn of the vehicle, or the like. More specifically, loads suitable for cases where the box carrier has doors on its side and back and the luggage is a bottle or can for beverages, especially the bottles or cans contained in a case or a cardboard box. The present invention relates to a collapse prevention device.

[0002]

2. Description of the Related Art Conventionally, as this kind of load collapse prevention method,
A method of tying a luggage loaded on a box carrier with ropes or the like is known. However, in the method of binding the above-mentioned luggage with a rope, it is necessary to remove the rope when lowering a part of the luggage from the box carrier, and after lowering a part of the luggage, to bind the luggage remaining on the box carrier again with the rope, There was a problem that workability was poor.

In order to solve this problem, there is disclosed an automobile luggage holding device in which at least four corners of an expandable net are attached to the luggage compartment by attaching means (actual flat opening 2).
-71039). The attachment means is a hook-shaped engaging member attached to the seating surface in the luggage compartment of an automobile, a pair of small-diameter locking rings and a pair of large-sized engaging rings formed at the corners of the net and engaged with the engaging member. The small-diameter locking ring and the large-diameter locking ring are formed to be expandable and contractable. In the luggage holding device configured as described above, after loading the luggage in the luggage compartment in the state where the small-diameter locking ring is locked to the locking device in advance, the luggage is covered with the net and the large-diameter locking is performed. It suffices if the ring is locked to a locking tool, so even if the car suddenly starts, the luggage may rattle,
It doesn't collapse.

[0004]

However, in the above-described conventional automobile luggage holding device, the small-diameter locking ring and the large-diameter locking ring are engaged with the fasteners attached to the predetermined luggage compartment seating surface, respectively. Since it is stopped, the tension of the net and the locking ring changes depending on the size and height of the luggage loaded in the luggage compartment, and there is a problem that the force of the luggage to press the luggage against the luggage compartment seat surface changes. As a result, when a small piece of luggage is covered with the net, the luggage cannot be securely pressed against the seat surface of the luggage compartment with the net, and the luggage may be rattled or collapsed due to a sudden start of the vehicle. there were. An object of the present invention is to provide a load collapse prevention device for a vehicle, which can securely fix a load loaded on a pallet with a relatively simple operation even if the size or height of the load changes.

[0005]

The invention according to claim 1 is
A conveyor 16 that is arranged on the floor 12a of the box carrier 12 of the vehicle 10 and that extends in the vehicle traveling direction and that can move a pallet 21 loaded with loads 22 and a pallet 21 that is configured to be retractable from the conveyor 16 A stopper 17 that can be fixed at a predetermined position, an expandable and retractable net 18 that is provided above the pallet 21 that is fixed at a predetermined position in a substantially horizontal plane, and a predetermined direction on both sides of the box carrier 12 in the vehicle traveling direction. A plurality of guide rails 19 provided at regular intervals and extending in the vertical direction, and a plurality of guide rails 19 formed at predetermined intervals in the vertical direction on the guide rail 19 so that the edge of the net 18 can be selectively locked. Locked portions 19a, 19b, 19 of
It is a load collapse prevention device for vehicles provided with c. In the invention according to claim 1, as shown in FIG. 1, the net 18 is extended by selectively locking the end edges of the net 18 to the plurality of locked portions 19a, 19b, 19c, and the net 18 is placed on the pallet 21. Since the load 22 covers the upper surface and the side surface of the load 22 and the load 22 is pressed against the pallet 21 by the tension of the net 18, the pallet 2
Even if the size or height of the luggage 22 on the 1 is changed, the luggage 22 is securely fixed, and the luggage 22 does not collapse even if the vehicle 10 suddenly starts, suddenly stops, or suddenly turns.

According to the second aspect of the present invention, as shown in FIG. 5, a conveyor is provided which extends on the floor of a box carrier of a vehicle and extends in the vehicle traveling direction and which can move a pallet loaded with luggage, and can be retracted from the conveyor. And a stopper that can fix the pallet at a predetermined position on the conveyor, an expandable net 78 that is provided above the pallet fixed at the predetermined position in a substantially horizontal plane, and on both sides of the box carrier. A plurality of guide rails 60, 70 provided at predetermined intervals in the vehicle traveling direction and extending in the vertical direction;
The load collapse prevention device for a vehicle is provided with a net elevating means 61 that is provided inside 70 and is capable of elevating the edge of the net 78.
In the invention according to claim 2, the net lifting means 61 lowers the edge of the net 78 to extend the net 78 to cover the upper surface and the side surface of the load on the pallet, and the tension of the net 78 presses the load against the pallet. Therefore, even if the vehicle suddenly starts, suddenly stops, suddenly turns, etc., the luggage will not be collapsed.

A wheel conveyor, a roller conveyor, a belt conveyor or any other conveyor can be used as the conveyor according to the first and second aspects of the invention.
The conveyor may be either a manual or automatic conveyor. Further, as the stopper of the invention according to claims 1 and 2, either an automatic type stopper or a manual type stopper may be used. Examples of the automatic stopper include those driven by a rotary actuator or a linear actuator that uses electromagnetic force or fluid pressure. In addition, claims 1 and 2
It is preferable to provide a side door and a rear door on both sides and a back surface of the box carrier of the invention according to the invention. The side door is a sliding type door or a flip-up type door, and the rear door is a flip-up type or a double door type door. Is mentioned. Further, as the luggage loaded on the pallet of the invention according to claims 1 and 2, a case in which a large number of beverage bottles, beverage cans, and the like are stored, a rectangular corrugated cardboard box, and the like are conceivable. Further, the plurality of locked portions of the invention according to claim 1 are formed in two or three or more according to the length of the guide rail.

Further, as the net lifting means of the invention according to claim 2, an upper rotating member and a lower rotating member rotatably attached to the upper and lower portions of the guide rail, respectively, and bridged over these rotating members. An endless transmission member,
One having an electric motor for driving any of the rotating members is conceivable. Examples of the rotating member include a V pulley, a toothed pulley, and a sprocket, and examples of the endless transmission member include a V belt, a toothed belt, and a chain.
It is preferable to use a stepping motor or a servo motor as the electric motor. It is also possible to automatically raise and lower the net according to the opening and closing of the side door. That is, the controller may control the electric motor based on the detection output of a sensor that detects the opening / closing of the door, a sensor that detects the lifting position of the net, or the like. Further, as the net elevating means, there may be used one having a fluid pressure cylinder inserted in the guide rail in the longitudinal direction thereof and configured so that the end edge of the net is attached to the piston of the cylinder, or the guide rail is used. A screw rod of a ball screw that is rotatably inserted in the longitudinal direction, a nut that is non-rotatably and vertically movable fitted into the screw rod through a steel ball, and an electric motor that drives the screw rod. However, it is also possible to use a nut configured to attach the end edge of the net.

[0009]

Next, a first embodiment of the present invention will be described in detail with reference to the drawings. As shown in FIGS. 1 to 4, a box carrier 12 is provided behind the cab 11 of the truck 10, and side doors 13 and rear doors 14 are provided on both side surfaces and a back surface of the box carrier 12, respectively. The side door 13 is a slide type door, and the rear door 14 is a flip-up type door. Four side doors 13 are provided on each side of the box 12 (FIGS. 2 and 4). The load collapse prevention device includes a conveyor 16 arranged on the floor 12a of the box carrier 12 so as to extend in the truck traveling direction,
Stopper 17 configured to be retractable from conveyor 16
An expandable and retractable net 18 provided in a substantially horizontal plane above a pallet 21 fixed at a predetermined position, and a predetermined space in both sides of the box carrier 12 in the truck advancing direction and extending in the vertical direction. A plurality of guide rails 19 provided on the guide rail 19 and a plurality of locked portions 19a, 19b, 19c formed on the guide rail 19 at predetermined intervals in the vertical direction.
And

The conveyor 16 is a wheel conveyor,
A pair of holding portions 16a, 16a fixed in parallel to each other on the floor 12a, a plurality of shafts 16b laid between the holding portions 16a, 16a, and rotatable with a predetermined interval between these shafts 16b. And a large number of wheels 16c fitted in (FIGS. 1 and 3). A pallet 21 loaded with loads 22 is movably arranged on the conveyor 16, and the loads 22 are a case or a cardboard box containing a large number of beverage bottles or beverage cans, which are not shown. Further, the box carrier 12 has a size capable of loading four pallets 21, and each pallet 21 is fixed by the stopper 17 at a position facing each of the four closed side doors 13 (see FIGS. 1 and 2). (Fig. 2). The stopper 17 is a pin holder 1 fixed on the floor 12a.
7a and a pin body 17b rotatably attached to the pin holding portion 17a. The pin body 17b is configured to be manually rotatable between a storage position in which the pin body 17b extends in a substantially horizontal direction and is submerged in the conveyor 16 and a protruding position in which the pin body 17b extends in a substantially vertical direction and projects above the conveyor 16.

The nets 18 are provided above four pallets 21 which are fixed at predetermined positions by stoppers 17, respectively, and are formed of rubber in a substantially rectangular shape which is slightly larger than the pallets 21 (FIG. 2). A pair of bars 23, 23 are attached to both side edges of the net 18, and flanges 23a are fixed to both ends of these bars 23, 23 (FIGS. 2 and 3). The guide rails 19 are formed in a channel shape and are arranged along the inner surfaces of both side edges of the closed side door 13. That is, the interval between the plurality of guide rails 19 is substantially the same as the width of the side door 13 (FIG. 2). Three locked portions 19a, 19b, 19c are formed on the upper portion, the central portion and the lower portion of the guide rail 19, respectively, and the bar 23 is formed on each of these locked portions 19a, 19b, 19c.
Is configured to be lockable (FIG. 1). A tension coil spring 2 is provided between the substantial center of the net 18 and the roof panel 12b of the box 12 to urge the net 18 to be pulled up.
4 are interposed. Reference numeral 26 is a holding plate fixed to the net 18 so as to extend in the track advancing direction, and the lower end of the tension coil spring 24 is locked to the holding plate 26 (FIGS. 1 and 2). Further, 27 is a platform for facilitating the unloading of the pallet 21 from the box carrier 12, and 28
Is a transportation means arranged on the platform 27 (FIG. 3).

A method of using the thus-configured vehicle load collapse prevention device will be described. When loading the pallet 21 with the load 22 loaded on the box carrier 12, the bars 23, 23 attached to both side edges of the net 18 are covered by the upper portions of the guide rails 19, 19 as shown by the chain double-dashed line in FIG. Locking part 1
Confirm that it is locked to 9a and 19a, and
In the state where 4 is lifted up, the truck 10 is moved backward to move the conveyor 16 of the box carrier 12 to the transport means 2 of the platform 27.
8 (FIG. 3). At this time, since the heights of the conveyor 16 and the conveying means 28 are substantially the same, the pallets 21 can be easily loaded from the platform 27 onto the box carrier 12.

Since the pallet 21 loaded on the box carrier 12 is easy to move and unstable, the pallet 21 is moved to a predetermined position and the pin body 17b is rotated to the projecting position to move the pallet 21 to the predetermined position. (Figs. 1 and 2). Further, since the loads 22 loaded on the pallet 21 are slippery and unstable with respect to each other, the bars 23, 23 are removed from the locked portions 19a, 19a above the guide rails 19, 19 as shown by the solid line in FIG. The guide rails 19 and 19 are locked to the locked portions 19c and 19c below the guide rails 19 and 19, respectively. As a result, the net 18 extends and the upper surface and side surfaces of the load 22 on the pallet 21 are covered with the net 18, and the load 22 is pressed against the pallet 21 by the tension of the net 18, so that the truck 10 suddenly starts and suddenly moves. Luggage 22 even when stopped or turned suddenly
Does not collapse. Also, when unloading a part of the luggage 22 loaded on the carton 12 at a retail store or a vending machine,
It is only necessary to open the side door 13 and remove the bar 23 from the locked portion 19c below the guide rail 19.
The luggage 22 remaining on the box carrier 12 can be fixed only by locking the locked portion 19c to the locked portion 19c. Further, the locked portion 19 that locks the bar 23 according to the height of the load 22 on the pallet 21.
Since you can select a, 19b, 19c, make sure that your luggage 22
Can be fixed.

FIG. 5 shows a second embodiment of the present invention.
The pair of guide rails 60, 70 arranged along the inner surfaces of both side edges of the side door (not shown) are formed in a rectangular tube shape. A net 78 is provided in these guide rails 60 and 70.
The net lifting means 61 capable of lifting the edge of the net is provided.
The net elevating means 61 is bridged between an upper pulley 62 and a lower pulley 63, which are rotatably attached to an upper part and a lower part in one guide rail 60 of the pair of guide rails 60 and 70, and these pulleys 62 and 63. A belt 64, an upper pulley 72 rotatably attached to the upper part of the other guide rail 70 of the pair of guide rails 60, 70, and a lower pulley 73 provided on the lower part of the other guide rail 70. Pulley 7
The belt 74 and the lower pulley 73 that are bridged over the 2, 73
And an electric motor 66 having an output shaft 66a inserted therein. The upper pulleys 62 and 72 are connected by a connecting shaft 67. The pulleys 62, 63, 72, 73 are toothed pulleys, the belts 64, 74 are toothed belts, and the electric motor 66 is a stepping motor.

Net 7 of a pair of guide rails 60, 70
Elongated holes 60a and 70a are formed on the surfaces facing 8 and the elongated holes 60a and 70a are formed at predetermined positions of the belts 64 and 74, respectively.
A pair of stays 65 and 75 protruding from the guide rails 70 and 70 to the outside of the guide rails 60 and 70 are fixed, respectively. A bar 83 attached to one edge of the net 78 is attached to the projecting ends of the stays 65 and 75. Although not shown, a bar attached to the other end of the net 78 faces the pair of guide rails 60 and 70 and is a pair of guides on the opposite side which are configured in substantially the same manner as the guide rails 60 and 70. The pulleys attached to the projecting ends of a pair of stays projecting from the elongated holes of the rails are driven by the electric motor 66 via pulleys and belts, and further inside the box carrier. A switch (not shown) for turning on and off the electric motor 66 is provided. The method of using the load collapse prevention device thus configured is substantially the same as that of the first embodiment except that the net 78 is automatically moved up and down by turning on and off a switch (not shown). Therefore, repeated description is omitted.

[0016]

As described above, according to the present invention, a conveyor capable of moving a pallet is arranged on the floor of a box carrier, and a stopper protruding and retracting the conveyor fixes the pallet on the conveyor. A extensible net is provided above the pallet, and a plurality of guide rails that extend in the vertical direction on both sides of the carton are provided with a plurality of nets that can be selectively locked at their edges. Since the locked portion is formed, the net is extended by selectively locking the edge of the net to the plurality of locked portions to cover the upper surface and the side surface of the load on the pallet, and the load of the load by the net tension. Is pressed against the pallet. As a result, even if the size or height of the loads loaded on the pallet changes, these loads can be securely fixed with a relatively simple operation. Further, even if a net elevating means capable of ascending and descending the edge of the net is provided in the guide rail, the net elevating means descends the edge of the net to extend the net and cover the upper surface and the side surface of the load on the pallet. Since the load is pressed against the pallet by the tension of the net, the same effect as above can be obtained.

[Brief description of drawings]

FIG. 1 is a cross-sectional view taken along the line AA of FIG. 2 showing a vehicle load collapse prevention device according to a first embodiment of the present invention.

FIG. 2 is a sectional view taken along line BB of FIG. 4;

FIG. 3 is a vertical cross-sectional view of a main part of a vehicle showing a state in which a pallet loaded with luggage is loaded on a box carrier.

FIG. 4 is a side view of the vehicle.

FIG. 5 is a perspective view of a main part including a net lifting unit showing a second embodiment of the present invention.

[Explanation of symbols]

 10 truck (vehicle) 12 box carrier 12a floor 16 conveyor 17 stopper 18,78 net 19,60,70 guide rails 19a, 19b, 19c locked part 21 pallet 22 luggage 61 net lifting means

Claims (2)

[Claims] 1. A conveyor (16) capable of moving a pallet (21) loaded with loads (22) arranged on a floor (12a) of a box carrier (12) of a vehicle (10) so as to extend in the vehicle traveling direction. And the pallet configured to be retractable from the conveyor (16)
A stopper (17) capable of fixing (21) at a predetermined position on the conveyor (16), and an extendable and retractable device provided in a substantially horizontal plane above the pallet (21) fixed at the predetermined position. A net (18), a plurality of guide rails (19) provided on both sides of the box carrier (12) at predetermined intervals in the vehicle traveling direction and extending in the vertical direction, and the guide rails (19) And a plurality of locked portions (19a, 19b, 19c) which are formed at predetermined intervals in the vertical direction and which can selectively lock the edge of the net (18), the net (18) The edges of the plurality of locked portions (19a, 19b, 1
9c) by selectively locking the net (18) to extend and cover the top and side of the load (22) on the pallet (21) by the tension of the net (18) the load (22) A load collapse prevention device for a vehicle, characterized in that it can be pressed against the pallet (21). 2. A conveyor, which is arranged on the floor of a car carrier of a vehicle and extends in the vehicle traveling direction, and is capable of moving a pallet loaded with cargo; , A stretchable net (78) spread in a substantially horizontal plane above the pallet fixed at the predetermined position, and a predetermined direction in the vehicle traveling direction on both sides of the box carrier. Multiple guide rails (6
0, 70) and the net (78) provided in the guide rails (60, 70)
A net elevating means (61) capable of elevating and lowering the edge of the net (78), and the net (78) extends to move the net on the pallet. The load collapse prevention device for a vehicle, which is configured to cover the upper surface and the side surface of the luggage and be capable of press-contacting the luggage with the pallet by the tension of the net (78).