JPH09226450A - Awning setting device of truck - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable an operator to set a awning on luggage without climbing up the luggage, deck or cabin by passing a awning winding drum over the luggage, and enabling the drum to move back and forth between the awning of one end of the deck and the awning of the other end. SOLUTION: A winding drum 50 for winding a awning is mounted on a rotating shaft which extends horizontally between the upper ends of a pair of right and left support arms 40L. The winding drum 50 can move back and forth between a stored position in which it is securely placed on the cabin 3 of a truck 1 by the inclination of the support arms 40L as shown by A, a front position in which it is located over the upper end of the deck 2 with the support arms 40L held upright as shown by B, and a rear position in which it has moved to awning of the rear of the beck 2 along a guide rail 10 as shown by C. When there is no luggage on the deck 2 of the truck 1, the awning can be wound on the winding drum 50 and stored.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hood which covers a cargo loaded on a truck bed and protects the hood without an operator needing to climb on the cargo and removes the hood from the cargo. The present invention relates to a truck hood device that can be easily stored.

[0002]

2. Description of the Related Art Conventionally, in order to protect cargo loaded on a truck bed from rainwater, dust, etc., and to prevent scattering due to wind pressure, cargo is transported in a hood made of a waterproof material such as vinyl sheet. Covering. The hood is folded when not in use, and is placed and fixed in an equipment storage provided on the cabin of the truck. On the other hand, when using a hood, an operator climbs on the cargo or loading platform, unfolds the folded hood and hangs it on the cargo, and then secures the hood to the truck loading platform using ropes or rubber belts. To do. Then, when storing the hood, the hood is lowered to the ground and folded, and then the worker carries the shoulder on the cabin and climbs onto the cabin to mount and fix the hood on the equipment storage space.

[0003]

Conventionally, an operator who carries out a hood hanging work climbs on a cargo or a cargo bed in order to open the hood and hangs it on a cargo, or carries a folded hood on a shoulder and places it on a cabin. They are forced to work at heights such as climbing. As a result, there is a high risk of a worker accident accidentally falling over the cargo or cargo bed and being injured. However, a hood hanging device that can mechanically hang the hood on the cargo has not been developed, and it is the current situation that the hood hanging work must rely on manpower.

On the other hand, a panel truck for storing cargo in a box-shaped container, a wing car in which a cover for covering the cargo is opened upward when the cargo is unloaded, and the like are widely used.
The mobility of a flat-load truck that does not choose the form of cargo to be loaded is extremely high, and the need for a flat-load truck does not disappear. In addition, the use of dump trucks is indispensable when using earth and sand or industrial waste as cargo. If the cargo is easily scattered by the wind pressure during traveling, the hood must be hung to cover the cargo.

Therefore, an object of the present invention is to solve the above-mentioned problems, to enable the hood to be hung on the cargo without an operator climbing on the cargo, cargo bed or cabin, and to easily store the hood. An object of the present invention is to provide a truck hood.

[0006]

In the truck hood device according to claim 1 of the present application, the direction in which the guide rail extends with the winding drum for winding the hood being supported by the pair of support arms. It is possible to reciprocate above the platform. As a result, the hood can be hung on the cargo by moving the winding drum from one end side of the cargo to the other end side while gradually rotating the winding drum to unwind the hood from the winding drum. it can. Then, by retracting the winding drum from the other end side to the one end side while winding the hood around the winding drum, the hood can be wound around the winding drum and stored. Therefore, it is not necessary for an operator to climb on the cargo for the hood hanging work, and the hood can be stored easily.

Further, in the truck hoisting device according to claim 2 of the present application, the winding drum is capable of reciprocating displacement between the upper side of the loading platform and the vicinity of the traveling road surface of the truck by swinging of the support arm. Has been done. Therefore, by lowering the take-up drum to the vicinity of the traveling road surface, it is possible to easily take up the hood lowered from above the cargo onto the traveling road surface on the take-up drum.

In the hood hanging device for a truck according to claim 3 of the present application, the hood deploying arm is driven to swing.
By displacing the hood support beam, the hood connected to the hood support beam can be hung on the cargo.

In the truck hood mounting device according to claim 4 of the present application, since the hood support beam can be reciprocated along the guide rail, the truck is a large vehicle and the length of the loading platform is long. However, the hood can be hung by the hood support beam.

In the hood hanging device for a truck according to claim 5 of the present application, since the hood deploying arm is extendable / contractible in the axial direction, the hood support beam interferes with the cargo loaded on the truck bed. It can be reciprocally displaced without.

In the hood hanging device for a truck according to claim 6 of the present application, the cargo having the hood support beam loaded on the truck bed is oscillated by oscillating the oscillating arm pivotally supported on the tip of the hood deploying arm. It can be displaced back and forth without interfering with.

In the truck hood device according to claim 7 of the present application, since the winding drum for winding the hood is attached to the lower side of the truck bed, it is dropped from above the cargo onto the traveling road surface. The hood can be easily wound around the winding drum, and the work of housing the hood can be easily performed.

In the truck hood mounting device according to the eighth aspect of the present application, the hood support beam can be displaced to the vicinity of the traveling road surface, so that the hood can be easily connected to the hood support beam. .

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a truck hood device according to the present invention will be described below in detail with reference to FIGS. 1 to 10.

First Embodiment First, referring to FIGS. 1 to 4, a first embodiment of a truck hoisting device corresponding to claim 1 of the present application will be described. Left and right sides of a luggage carrier 2 of the truck 1. At the edges, a pair of left and right guide rails 10L having a substantially C-shaped cross section,
10R is attached so as to extend in the front-rear direction of the luggage carrier 2 and to open in the left-right direction of the luggage carrier 2. The moving body 20 is fitted inside the guide rails 10L and 10R, and
It is reciprocally movable in the front-rear direction along 10R. The moving body 20 has a pair of front and rear rollers 21 that can roll in the guide rails 10L and 10R, and a main body portion 22 that connects these rollers 21. Then, as shown in FIG.
A support shaft 23 that horizontally extends from the openings of L and 10R toward the side of the loading platform 2 is provided in a protruding manner.

On the other hand, the guide rails 10L and 10R are provided with moving body driving means 30 for driving the moving body 20 to reciprocate in the front-rear direction as shown in FIG. The moving body driving means 30 is
Pulleys 31, 32 rotatably supported at the front and rear ends of the guide rails 10L, 10R, and the pulleys 31, 32,
And a wire cable 33 wound between 32. The end of the wire cable 33 is connected to the main body portion 22 of the moving body 20. Further, a rotary handle 34 is attached to the pulley 31 on the front side. Accordingly, when the rotary handle 34 is manually rotated in the forward and reverse directions, the wire cable 33 is sent in the front-rear direction, and the moving body 20 can be reciprocated in the guide rails 10L and 10R in the front-rear direction.

Further, as shown in FIG. 3, the pair of left and right moving bodies 20 has a pair of left and right support arms 40L and 40L.
Each R is attached so as to extend toward the upper side of the luggage carrier 2. These support arms 40L, 40R
As shown in FIG. 3, has a columnar main body portion 41, and annular lower end portions 42 and upper end portions 43 provided at both ends of the main body portion 41. And the lower end portion 4
2 is externally fitted to the support shaft 23 of the movable body 20 via a bush, and the support arms 40L and 40R are swingable around the axis of the support shaft 23. Further, a horizontally extending rotating shaft 44 is bridged between the upper end portions 43 of the pair of left and right support arms 40L and 40R. Both ends of the rotary shaft 44 are fitted into the upper ends 43 of the support arms 40L and 40R via bushes, respectively, and the rotary shaft 4
Is a pair of left and right support arms 40L, 40 in a rotatable state.
Supported by R.

As shown in FIG. 3, a winding drum 50 for winding a hood is attached to the rotary shaft 44. The winding drum 50 is a cylindrical body portion 5 around which the hood 6 is wound.
1 and a pair of left and right flanges 52 and 53 that are vertically provided at both ends of the main body portion 51. The winding drum 50 is connected to the rotary shaft 44 via a key so as to rotate integrally with the rotary shaft 44. As shown by the two-dot chain line in FIG. 3, the hood 6 is a partial upper surface 6a that covers the upper portion of the cargo loaded on the loading platform 2.
And side portions 6b and 6c covering the left and right side portions are wound around the winding drum 50 in a state of being overlapped with each other. In addition, the main body portion 5 of the winding drum 50
Three bands 54 are attached to 1. The hood 6 is connected to the winding drum 50 via the bands 54.

Further, as shown in FIG. 3, a winding drum rotating means 60 for driving and rotating the winding drum 50 is provided on the side of the support arm 40L on the left side of the drawing.
The take-up drum rotating means 60 includes a lower sprocket 61 rotatably fitted over the tip of the support shaft 23 of the moving body 20 via a bearing, and a rotary handle 62 attached to the lower sprocket 61. An upper sprocket 63 that is connected to the left end of the rotary shaft 44 in the figure via a key and rotates integrally with the rotary shaft 44, and an endless drive that is wound between a pair of upper and lower sprockets 61, 63. And a chain 64. As a result, when the rotary handle 62 is grasped by hand and rotated in the forward and reverse directions, the drive chain 64 circulates to drive the rotary shaft 44 and rotate the winding drum 50 in the forward and reverse directions. Has become.

The pair of left and right support arms 40L,
40R can be tilted around the axis of the support shaft 23 of the moving body 20 by the support arm tilting means 70. That is, the support arm tilting means 70 includes a first cable 71 connected to the moving body 20 and a second cable 72 connected to the support arms 40L and 40R, as shown in FIG. A ratchet 73 for connecting the cables 71, 72, a rotating handle 74 for operating the ratchet 74, and a fixed arm 75 attached to the moving body 20 that can fix the support arms 40L, 40R in a substantially upright state. Have As a result, when the rotating handle 74 is grasped by hand and rotated in the forward direction, the cables 71 and 72 are attracted to each other by the action of the ratchet 73, the support arms 40L and 40R are erected, and abut on the fixed arm 75 and substantially. It is fixed upright. On the other hand, when the rotary handle 74 is rotated in the opposite direction, the cables 71, 72 are separated from each other by the action of the ratchet 73, the support arms 40L, 40R are gradually tilted, and the take-up drum 50 is moved to the cabin 3 of the truck 1.
Can be placed on top.

Next, the operation of the truck hood device 100 of the first embodiment having the above-described structure will be described with reference to FIG.
Referring to FIG. 1, the winding drum 50 is placed in the storage state in which the winding drum 50 is mounted and fixed on the cabin 3 of the truck 1 by the tilting of the support arms 40L and 40R, as indicated by reference numeral A in FIG. 1, a front position state in which the support arms 4040L and 40R are upright and located above the front end of the luggage carrier 2 as indicated by a symbol B in FIG. 1 and a guide rail 10 as indicated by a symbol C in FIG. It can be reciprocally displaced to and from the rearward position state in which the rearward upper part of the luggage carrier 2 has been moved along.

When the cargo is not loaded on the loading platform 2 of the truck 1, the hood 6 is stored in a state of being wound around the winding drum 50. The take-up drum 50 has a symbol A in FIG.
It is mounted and fixed on the cabin 3 as shown in FIG.
In this state, the take-up drum 50 is located behind the rectifying windshield 4 installed on the cabin 3, and the hood 6 will not be unwound from the take-up drum 50 by the wind pressure caused by traveling.

Next, the procedure for hanging the cargo loaded on the loading platform 2 will be described. First, in the first stage of the hood hanging work, the support arm 40 is made to stand upright, and the reference numeral B is used in FIG.
The winding drum 50 is positioned above the front end of the loading platform 2 as shown in FIG. Then, in the second stage, the winding handle 50 of the winding drum driving means 60 is manually operated to rotate the winding drum 50, and the hood 6 wound around the winding drum 50 is gradually unwound. As shown in FIG. 4, the front end portion 6d of the hood 6 is hung in the gap between the torii 7 of the truck 1 and the cargo 5. Next, in the third stage, the rotating handle 34 of the moving body driving means 30 is manually operated to move the moving body 20 rearward, and the winding drum 50 is gradually displaced toward the rear end of the loading platform 2. . At this time, since the front end portion 6d of the hood 6 hangs down in front of the cargo 5 and the hood 6 and the cargo 5 are frictionally engaged with each other, the winding drum 50 is pulled by the hood 6 and naturally rotates, and 6 is gradually unwound from the winding drum 50 and unfolded on the cargo 5. As indicated by the symbol C in FIG. 1, in the fourth stage in which the winding drum 50 reaches above the rear end of the loading platform 2, the winding handle 62 of the winding drum rotating means 60 is manually operated to wind the winding drum. The drum 50 is rotated to completely unwind the hood 6 from the winding drum 50. Then, by releasing the connection between the belt 54 attached to the winding drum 50 and the hood 6, the hood 6 is separated from the winding drum 50 and placed on the cargo 5 in a folded state. .

On the other hand, the top 6 is sewn with a large number of annular cords. Further, the worker who carries out the hood hanging work carries a hood hanging rod having a hook attached to the tip thereof. As a result, the hook of the hood hanging rod is hooked on the annular cord of the hood 6 placed on the cargo 5 in a folded state.
By pulling on the hood 6, side portions 6b and 6c of the hood 6 are pulled.
Can be dragged down from the cargo 5 and hung down to the side of the cargo 5. Then, the hood 6 is locked to the loading platform 2 by using a rope, a rubber belt or the like, and the winding drum 50 is returned to the position indicated by the symbol A in FIG.

On the other hand, when removing the hood 6 from the cargo 5, after removing the ropes or the rubber belts that hold the hood 6 on the loading platform 2, an operator pulls the hood 6 to the ground. take down. Then, the hood 6 is folded on the ground, and the side surface portion 6 of the hood 6 is drawn as indicated by a two-dot chain line in FIG.
b and 6c are superposed on the upper surface portion 6a. Then
After advancing the winding drum 50 to the position indicated by reference numeral C in FIG. 1, the belt 54 is hung from the winding drum 50 to the ground, and the belt 54 and the hood 6 are connected. And
By operating the rotation handle 62 of the winding drum rotating means 60 to rotate the winding drum 50, the hood 6 can be gradually wound around the winding drum 50. Thereafter, the take-up drum 50 is returned to the position indicated by the symbol A in FIG. 1 to complete the storage of the hood 6.

That is, as is clear from the above description, according to the truck hoisting apparatus 100 of the first embodiment, an operator who performs hoisting work does not climb on the cargo bed 2 and the cargo 5. The work of hanging the hood 6 on the cargo 5 can be performed. Further, since the hood 6 removed from the cargo 5 and unloaded on the ground is wound around the winding drum 50 to accommodate the hood 6, the hood 6 folded as in the conventional case is carried on the shoulder and the cabin 3 of the truck 1 is carried. No need to climb up.
Accordingly, the truck hood device 1 according to the first embodiment.
According to 00, a hood hanging operation for hanging the hood 6 on the cargo 5,
Further, the work of storing the hood 6 removed from the cargo 5 can be performed safely and easily.

In the truck hood device 100 of the first embodiment, the moving body driving means 30, the winding drum rotating means 60, and the supporting arm tilting means 70 are provided.
Both are designed to be operated manually,
Of course, these mechanisms may be configured to operate by an electric motor or a fluid pressure actuator. In the truck hood device 100 of the first embodiment, the guide rail 10 is arranged so as to extend in the front-back direction of the track 1.
Depending on the relationship between the front-rear dimension and the width dimension of the cargo bed 2, the guide rail 10 may be arranged so as to extend in the width direction of the track 1 and the winding drum 50 may be disposed so as to extend in the front-rear direction of the track 1. good.

Second Embodiment Next, with reference to FIG. 5, a second embodiment corresponding to claim 2 of the present application
A hood hanging device for a truck of the embodiment will be described. The truck hood device 200 of the second embodiment shown in FIG.
Is the truck hood device 10 of the above-described first embodiment.
Although it has almost the same configuration as that of 0, the support arm 210 whose base end is axially supported by the moving body 20 is swingable so that the winding drum 50 can be lowered onto the ground. , A support arm swinging means 220 for driving and swinging the support arm 210 is attached to the moving body 20, further, the moving body 20 is adapted to be moved back and forth by power, and winding. The difference is that the drum 50 is rotationally driven by power.

The support arm swinging means 220 is composed of an electric motor (not shown) attached to the moving body 20, and a speed reducer for decelerating and transmitting the rotational driving force of the electric motor. Then, the support arm 210 swings by the drive output of the speed reducer, and in FIG.
As shown by C, it reciprocally swings between a state in which the winding drum 50 is lifted by extending above the loading platform 2 and an inclined state in which the winding drum 50 is lowered to the ground as shown by the symbol D. It is possible. As a result, the hood 6 removed from the cargo 5 and placed on the ground can be easily wound around the winding drum 50 laid on the ground after being folded on the ground. Can be done.

Further, in the truck hood device 200 of the second embodiment, the moving body 20 is driven by an electric motor to move back and forth. The winding drum 50 is also driven by an electric motor to rotate. Then, the reciprocating displacement of the winding drum 50 in the front-rear direction due to the forward / backward movement of the moving body 20, the up-and-down displacement of the winding drum due to the swing of the support arm 210, and the control of the operation of the winding drum 50 are controlled by using the remote control switch. I am supposed to do it. Thereby, the operator who carries out the hood work can more easily carry out the hood work by operating the remote control switch.

The procedure of the hopping operation using the hoisting device 200 of the truck of the second embodiment is the same as the above-mentioned first step.
It is similar to that of the embodiment. Further, the power source of the support arm swinging means 220 can be replaced with a hydraulic cylinder or the like.

Third Embodiment Next, referring to FIGS. 6 and 7, the third and third aspects of the present invention will be described.
A hood hanging device for a truck according to a third embodiment corresponding to 4, 7, and 8 will be described. The truck hoisting device 300 of the third embodiment has substantially the same configuration as the truck hoisting device 200 of the second embodiment described above, but the winding drum 50 is located below the rear end of the loading platform 2. The second embodiment differs from the second embodiment in that it is installed on the side and that the support arm 210 is changed to a hood deploying arm 310.

That is, the winding drum 50 for winding the hood 6
Is attached to the lower side of the rear end of the luggage carrier 2 so as to extend in the width direction of the luggage carrier 2. This makes it extremely easy to fold the hood 6 removed from the cargo 5 on the ground and fold it on the ground, and then wind it around the winding drum 50 and store it. Further, the winding drum 50 is always the loading platform 2
Since it is located on the lower side, the supporting arm 210 is swung to wind the winding drum 50 as in the hood hanging device 200 of the second embodiment.
It is possible to save the work of lowering the hood 6 to the ground, and the work of winding the hood 6 around the winding drum 50 can be performed quickly.

As shown in FIG. 7, the hood deploying arm 310 has a pair of left and right swing arms 311 and 312 whose base ends are supported by the support shaft 23 of the moving body 20, and these swing arms. It is constructed in a gate-shaped frame shape with a hood support beam 313 spanned between the tips of 311 and 312.
Then, it is driven by the hood deployment arm swinging means 320 attached to the moving body 20, and is swingable in the direction in which the guide rail 10 extends. Further, the tip of the hood 6 is attached to the hood support beam 313. Like the support arm swinging means 220 in the second embodiment, the hood deploying arm swinging means 320 decelerates the rotational driving force of the electric motor (not shown) attached to the moving body 20. It is composed of a transmission and a speed reducer. However, since the winding drum 50 is not attached to the hood deploying arm 310, the electric motor as the power source of the hood deploying arm swinging means 320 can be made compact.

Next, the operation of the truck hood hanging device 300 of the third embodiment constructed as described above will be explained. When the hood 6 is not used, the hood 6 is wound by the winding drum 5.
It is wound around 0. In addition, the hood deployment arm 310
6 is tilted so as to extend substantially parallel to the loading platform 2 as indicated by reference character A in FIG. 6, and the hood support beam 313 is arranged below the loading platform 2 so as to approach the winding drum 50. ing. Winding drum 5 for hanging hood 6 on cargo 5
When pulling out from 0, first, the moving body 20 is moved toward the rear end of the luggage carrier 2, and the hood support beam 313 is positioned rearward of the rear end of the luggage carrier 2. Next, when the hood deploying arm swinging means 320 is operated to gradually erect the hood deploying arm 310, the hood 6 is gradually pulled out from the winding drum 50, and the state shown by symbol B in FIG. 6 is obtained. . After that, while the moving body 20 is moved toward the rear end of the loading platform 2, the hood deploying arm 310 is gradually raised, and the hood supporting beam 31
The cargo 3 can be positioned on the cargo 5 without interfering with the cargo 5 loaded on the platform 2. Next, by gradually tilting the hood deployment arm 310 toward the front end side of the luggage carrier 2 while moving the movable body 20 toward the front end of the luggage carrier 2, the hood support beam 313 is moved to the torii 7 of the truck 1 and the cargo 5. Can be inserted between. This allows
The operator of the hood hanging work may drag the side surface portions 6b and 6c of the hood 6 from above the cargo 5 using the hood hanging rod as described above. Alternatively, if the side portions 6b and 6c of the hood 6 are connected to the swing arms 311 and 312 of the hood deploying arm 310 when the hood 6 is pulled out from the winding drum 50, the hood mounting work can be further performed. It can be done easily.

On the other hand, when removing the hood 6 from the cargo 5, the hood 6 is lowered to the ground and folded, and then the front end of the hood 6 is wound around the winding drum 50. Then, by rotating the winding drum 50, the hood 6 can be stored.

That is, in the truck hood device 300 of the third embodiment, the winding drum 5 for winding the hood 6 is wound.
Since 0 is attached to the lower portion of the rear end of the loading platform 2 of the truck 1 which is a clear space, the winding drum 50 can be easily attached to the truck 1. Moreover, since the hood deploying arm 310 can be configured as a lightweight frame, the hood deploying arm 310 can be easily swung. In addition, the hood deployment arm 310
Since it can be stored in a state in which it is tilted substantially horizontally, it does not affect the overall height dimension of the truck. further,
Since the hood deploying arm 310 is configured to reciprocate in the front-rear direction along the guide rail 10 attached to the luggage carrier, it can be easily applied to a long body vehicle.

In the truck hood mounting apparatus 100 of the third embodiment, one hood deploying arm 310 is used. For example, two plurality of hood deploying arms are provided, and one of the hood deploying arms is deployed. However, the other may support the hood and be arranged so as to prevent the hood and the cargo from being caught. Further, the truck hood device 10 according to the third embodiment.
0, the guide rail 10 is installed so as to extend in the front-back direction of the luggage carrier 2, but is arranged so as to extend in the width direction of the luggage carrier 2 and the hood deploying arm 310 is arranged so that the hood deploying arm 310 extends.
You may make it rock | fluctuate in the width direction. Further, in the truck hood mounting device 100 of the third embodiment, the hood support beam 313 is integrated with the swing arms 311 and 312, but the hood support beam 313 is a member on the hood 6 side, and The hood support beam 313 may be detachably locked to the tips of the swing arms 311 and 312.

Fourth Embodiment Next, with reference to FIGS. 8 and 9, a truck hood device according to a fourth embodiment of the invention will be described. Truck hood device 400 of the fourth embodiment
Is a truck hood device 30 of the third embodiment described above.
It has almost the same configuration as that of 0, but the winding drum is installed below the left end of the loading platform so as to extend in the front-rear direction, and the hood deploying arm is pivotally supported directly on the loading platform. ,
Another difference is that the swing arm for deploying the hood is configured to swing in the width direction of the loading platform of the truck, and the swing arm for deploying the hood has a structure capable of expanding and contracting.

That is, the winding drum 50 for winding the hood 6
Is attached so as to extend in the front-rear direction of the luggage carrier 2 along the lower left side of the luggage carrier 2 in the fourth embodiment. In this case, since the winding drum 50 winds the hood 6 in the width direction, its diameter can be made smaller than that of the winding drums of the above-described first to third embodiments.

In addition, in the truck hood mounting device 400 of the fourth embodiment, a pair of front and rear hood deployment arms 41 is used.
The bases 0 are pivotally supported at the widthwise central portions of the front end portion and the rear end portion of the platform 2. Then, these hood deploying arms 410 are coaxially and slidably fitted to the pair of front and rear swing arms 411 that are swingable in the width direction of the loading platform 2 and these swing arms 411. The slide arms 412 and these slide arms 412
And a hood support beam 413 bridged between the tips of the. Then, the slide arm 412 is driven by a slide arm driving means (not shown), and the slide arm 412 is stored in the swing arm 411 in the shortened state and the swing arm 412.
It is possible to take an extended state protruding from 11.

In the fourth embodiment, the slide arm driving means is composed of a screw screw that is rotationally driven by an electric motor. When this screw screw is normally rotated, the slide arm 412 engaging with the screw screw is fed in the axial direction and protrudes from the swing arm 411. On the other hand, when the screw screw is rotated in the reverse direction, the slide arm 412 slides toward the swing arm 411 and is housed inside the swing arm 411. A hydraulic cylinder may be used as the slide arm driving means.

The pair of front and rear swing arms 411 of the hood deploying arm 410 are driven by the hood deploying arm swinging means 420 attached to the loading platform 2 of the truck to swing in the width direction of the loading platform 2. To do. The hood deploying arm swinging means 420 is composed of an electric motor and a speed reducer in the fourth embodiment, but may be composed of a combination of a hydraulic cylinder and a link mechanism.

Next, the operation of the truck hood mounting device 400 of the fourth embodiment constructed as described above will be described. When the hood 6 is not used, the hood 6 is a hood as shown in FIG. The upper surface portion 6a of 6, the front surface portion 6f that covers the front surface of the cargo 5, and the rear surface portion 6g that covers the rear surface of the cargo 5,
It is wound around the winding drum 50 in a state of being overlapped with each other. Further, the hood deploying arm 410 is tilted so as to extend substantially parallel to the loading platform 2 as indicated by reference numeral A in FIG. 8, and the hood support beam 413 is located below the loading platform 2 and the winding drum 50. It is arranged so as to approach.

When pulling out the hood 6 from the take-up drum 50 to hang the hood 6 on the cargo 5, first, the slide arm 412 is extended to move the hood support beam 413 to the side of the left end of the cargo bed 2. Position it. Then, the pair of front and rear swing arms 411 is swung clockwise in the drawing to move the hood deploying arm 4
When 10 is gradually erected, the hood 6 is gradually pulled out from the winding drum 50, and the state shown by the symbol B in FIG. 9 is obtained. Next, when the slide arm 412 is further extended while the swing arm 411 is further swung, the hood support beam 413 can pass over the cargo 5 without interfering with the cargo 5 loaded on the cargo bed 2. The cargo 5 can be gradually covered with the hood 6 as shown by the symbols C and D in FIG. Furthermore, when the slide arm 412 is gradually shortened while rocking the hood deploying arm 410 to incline it to a position that extends substantially horizontally, the state shown by the symbol E in FIG. 9 is obtained. Then, in this state, the front portion 6f and the rear portion 6g of the hood 6 are pulled out by using the hood hanging rod, and then the hood 6
By fixing the to the loading platform 2 with a rope or a rubber belt or the like, the covering operation is completed. On the contrary, when the hood 6 is stored in the winding drum 50, the procedure reverse to the above-mentioned procedure may be performed.

That is, the truck trolley device 400 of the fourth embodiment does not have the guide rail and the moving body unlike the hood rack device of the other embodiments described above, and therefore has a simple structure. Can be Also,
Since the hood deploying arm 410 is configured to be extendable and retractable, the hood 6 can be hung on the cargo 5 without the hood support beam 413 interfering with the cargo 5 loaded on the loading platform 2.

Although the winding drum 50 is arranged below the left end of the loading platform 2 in the truck hood device 100 of the fourth embodiment, the installation space can be relatively easily secured. It may be arranged on the lower side of the center of the loading platform 2. Also, without installing the winding drum 50,
Only the swinging arm 410 for deploying the hood may be used for the hood hanging work. In this case, the folded hood may be stored in a storage section (not shown) provided below the loading platform of the truck. Conventionally, a folded hood is mounted on the cabin because it is convenient for an operator to climb on the cargo and carry out the hood. According to the hood mounting apparatus 100 for a truck of the fourth embodiment, it is not necessary to climb on the cargo to carry out the hood mounting work. Therefore, the folded hood must be carried on the shoulder and lifted up onto the cabin. There is no need for it to happen. If the hood support beam 413 can be lowered to the vicinity of the traveling road surface, the hood 6 and the hood support beam 413 can be easily attached and detached. Further, in the truck hood device 100 of the fourth embodiment,
A pair of swinging arms 41 forming the hood deploying arm 410
1, 412 are attached to the front and rear ends of the loading platform 2 of the truck 1, respectively, and the hood deploying arm oscillates in the width direction of the loading platform. The hood deployment arm 410 may be attached to the edge so as to swing in the front-rear width direction of the luggage carrier 2.

Fifth Embodiment Next, referring to FIG. 10 and FIG. 11, claim 6 of the present application
The truck hood mounting device 500 according to the fifth embodiment will be described. The truck hood mounting device 500 according to the fifth embodiment includes a hood deployment arm 510 attached to the upper end of the torii mast 7 of the truck 1, and a hood deployment arm 510. And a take-up drum 50 for taking up and storing 6.

The hood deploying arm 510 includes a pair of left and right base end side swinging arms 511 which are pivotally supported on the upper end of the torii mast 7 and are swingable in the front-rear direction of the loading platform 2, and these base end sides. A pair of left and right front end side swing arms 512 pivotally supported at the front ends of the swing arm 511 and capable of swinging in parallel to the base end side swing arm 511, and these front end side swing arms 512. Support beam 51 spanned between the tips of the
And 3.

At the upper end of the torii mast 7, a pair of left and right base end side swing arms 511 are driven to swing, and a base side swing arm drive means 520 composed of an electric motor and a speed reducer. Is attached. Further, at the tip of the base end side swing arm 511, a tip end side swing composed of an electric motor and a speed reducer for swinging the tip end side swing arm 512 relative to the base end side swing arm 511 is provided. Arm driving means 530 is attached. As a result, by operating the base end side swing arm drive means 520 and the tip end side swing arm drive means 530, the hood deploying arm 5 is moved.
The whole 10 can be bent and stretched.

Next, the operation of the truck hood hanging device 500 of the fifth embodiment constructed as described above will be explained. When the hood 6 is wound on the winding drum and stored, it is used for hood deployment. The arm 510 is folded along the torii mast 7 as indicated by the symbol A in FIG.
As a result, loading and unloading of cargo onto the loading platform 2 will not be hindered. On the other hand, when the hood 6 is hung on the cargo 5, first, the base end side swing arm drive means 520 and the tip end side swing arm drive means 530 are operated, and the reference numeral B in FIG. As shown, the hood deployment arm 510 is stretched in a straight line. Then, the hood support beam 513 is brought close to the winding drum 50, and the tip of the hood 6 is connected to the hood support beam 513. Next, by operating the base end side swing arm drive means 520 and the tip end side swing arm drive means 530 to gradually fold the hood deploying arm 510, as shown by reference numeral C in FIG. 6 can be gradually hung on the cargo 5. Then, after completely folding the hood deploying arm 510 as indicated by reference character A in FIG. 10, the worker uses the hood hanging rod to attach the left and right side portions 6a and 6b of the hood 6 and the front portion 6f. When the hood 6 is pulled down and then the hood 6 is fixed with a rope or a rubber belt, the hood hanging work is completed. On the other hand, when removing the hood 6 from the cargo 5, the hood 6 may be put down on the ground, folded, and then wound around the winding drum 50 and stored.

That is, in the truck hood mounting apparatus 500 of the fifth embodiment, the hood deploying arm 510, the base end side swing arm drive means 520 and the tip end side swing arm drive means 530 are integrally formed. The structure is to be attached to the upper end of the torii mast 7 and the winding drum 5
0 is attached to the lower side of the rear end of the loading platform 2. As a result, the truck body can be easily attached to the truck 1 without significantly remodeling the vehicle body of the truck as in the above-described truck hoisting devices of the first to fourth embodiments. Further, when the hood 6 is not used, the hood deploying arm 510 is folded so as to be integrated with the torii mast 7, so that there is no hindrance to the loading and unloading of the cargo 5.

In the truck hood mounting apparatus 500 of the fifth embodiment, the hood deploying arm 510 includes a pair of left and right base end side swing arms 511, a pair of left and right tip end side swing arms 512, and a top support. The beam 513 is composed of a total of five links, but it goes without saying that the number of links may be further increased. For example, the hood deploying arm 510 may be configured as a pantograph-type parallel link. Further, the hood deploying arm 510 may be attached not to the torii mast 7 but to the upper portion of the cabin 3 of the truck 1.

Although the respective embodiments of the truck hoisting device according to the present invention have been described above in detail, the present invention is not limited to the above-described embodiments, and various modifications can be made based on the gist of the present invention. Needless to say. For example, the swing arm 411 of the hood hanging device 400 of the fourth embodiment described above is not pivotally supported directly on the loading platform 2 of the truck 1, but reciprocates along guide rails attached to the front and rear edges of the loading platform 2. It may be configured to be supported by the moving body 20. Further, the hood deploying arm 510 of the hood hanging device 500 of the fifth embodiment may be attached to the luggage carrier 2.

[0055]

As is apparent from the above description, according to the truck hoisting device of the present invention, an operator who hoists can put a cargo on a truck bed or a cargo bed. Since the hood can be hung on the cargo without climbing, it is possible to eliminate an accident resulting in a worker accidentally falling and being injured. Also, because the hood is stored on the take-up drum, it is not necessary for the worker to carry the folded hood on the shoulder to climb onto the cabin, and the hood can be stored safely and efficiently. You can

[Brief description of drawings]

FIG. 1 is a side view of a truck equipped with a truck hood device according to a first embodiment of the present invention.

FIG. 2 is an enlarged side view of the truck hood device shown in FIG.

FIG. 3 is a III-II of the truck hood device shown in FIG.
I A cross-sectional view taken along the line of arrow.

FIG. 4 is a side view for explaining the operation of the truck hood device shown in FIG. 1.

FIG. 5 is a side view of a truck equipped with a truck hood device according to a second embodiment of the present invention.

FIG. 6 is a side view of a truck equipped with a truck hood device according to a third embodiment of the present invention.

FIG. 7 is a rear front view of the truck shown in FIG.

FIG. 8 is a rear front view of a truck equipped with a truck hood device according to a fourth embodiment of the present invention.

FIG. 9 is a side view of a truck equipped with the truck hood device shown in FIG.

FIG. 10 is a side view of a truck equipped with a truck hood device according to a fifth embodiment of the present invention.

11 is a rear front view of the truck shown in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 truck 2 loading platform 3 cabin 4 rectifying windshield 5 cargo 6 hood 7 torii mast 10 guide rail 20 moving body 21 roller 22 main body portion 23 supporting shaft 30 moving body driving means 31, 32 pulley 33 cable 40 supporting arm 41 arm body 50 winding Drum 51 Drum body 52, 53 Flange 54 Connection belt 60 Winding drum rotating means 61, 63 Sprocket 62 Rotating handle 64 Drive chain 70 Support arm tilting means 71, 72 Cable 73 Ratchet 74 Rotating handle 100 First embodiment truck hood Racking device 200 Truck hood hanging device 210 of the second embodiment 210 Hood fold developing arm 220 hood deploying arm rocking means 300 Truck hood hanging device 310 of the third embodiment 310 Hood spreading arm 320 Rocking arm drive means 400 4) Truck hood mounting device 410 of the embodiment 410 hood deployment arm 420 oscillating arm drive means 500 Truck hood mounting device of the fifth embodiment 510 hood deployment arm 520 Base end side swing arm drive means 530 Tip side swing Arm drive means

Claims (8)

[Claims] 1. A truck hood hanging device for hanging a hood that covers and protects cargo loaded on a cargo bed of a truck, the hood hanging device being mounted on a body of the truck, in a front-back direction or a width of the cargo bed. A pair of parallel guide rails extending in the direction, a pair of movable bodies capable of reciprocating along these guide rails, and a moving body driving unit that drives these moving bodies to reciprocate. A pair of support arms, whose lower ends are respectively supported by the pair of moving bodies, extending toward the upper side of the loading platform, and a take-up roll that winds the hood rotatably bridged between the upper ends of the support arms. A drum and a winding drum rotating means for driving and rotating the winding drum, the winding drum passing above the cargo, and above one end of the cargo bed and the other end thereof. Up Hood hooking device of the track, characterized in that there is a reciprocally displaceable between a. 2. The pair of support arms are supported by the movable body respectively so as to be swingable in a direction in which the guide rail extends, and support arm swinging means for swinging the pair of support arms. The rewinding drum is reciprocally displaceable between the upper side of the loading platform and the vicinity of the traveling road surface of the truck by swinging the support arm. Truck top hanging device. 3. A truck hood mounting device for hanging a hood that covers and protects a cargo loaded on a cargo bed of the truck, wherein a base end of each is supported by a body of the truck. A pair of hood deploying arms that are swingable in the direction in which they extend, a hood deploying arm swinging means that drives and swings these hood deploying arms, and a hood deploying arm is mounted between the tips of the hood deploying arms. And a hood support beam to which the hood is connected, the hood support beam passing above the cargo and between one end side and the other end side of the cargo bed. A truck hood device characterized by being capable of reciprocating swing displacement. 4. A pair of mutually parallel guide rails attached to the vehicle body of the truck and extending in the front-rear direction or the width direction of the loading platform, and a pair of reciprocable movements along these guide rails. And a moving body driving means for driving these moving bodies to reciprocate, wherein the pair of hood deployment arms are reciprocated in a direction in which the guide rails are extended while being supported by the pair of moving bodies. 4. The truck top hanging device according to claim 3, wherein the device is free and swingable. 5. The truck according to claim 3, wherein the hood deploying arm is extendable / contractible in an axial direction thereof, and further provided with an extending / contracting means for extending / contracting the hood deploying arm. Covering device. 6. A pair of swing arms pivotally supported at the tips of the pair of hood deploying arms, and swing arm drive means for driving and swinging these swing arms. The truck top hanging apparatus according to any one of claims 3 to 5, wherein the truck top supporting beam is provided between the tip ends of the pair of swing arms. 7. The truck top hanging device according to claim 3, wherein a winding drum for winding the top is attached to a lower side of a bed of the truck. 8. The hood support beam passes above the cargo and is moved from one end side of the cargo bed to the other end and a portion near the winding drum to near the traveling road surface of the truck. 8. The truck top hanging apparatus according to claim 3, wherein the truck can be reciprocally displaced between the paths.