JP2014097673A - Removal mechanism of box type container to dump truck - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a removal mechanism of a box type container to a dump truck, the mechanism that enables switching a normal cargo bed of a dump truck to a box-shaped cargo bed, and also returns it to a restored normal cargo bed in a relatively simple manner, and furthermore, enables use by inclining the cargo bed.SOLUTION: A removal mechanism of a box type container to a dump truck is configured such that a box type container with reinforcement bars attached vertically and horizontally to a side wall portion at predetermined intervals is removably mounted on the cargo bed of a dump truck. The removal mechanism of the box type container to the dump truck is characterized in that the box type container is prevented from sliding down, even if the cargo bed of the dump truck inclines, by providing a notch at the end part of a lateral reinforcement bar in the lower part of the box type container and engaging an engagement member attached to the rear end of the cargo bed portion of the dump truck.

Description

The present invention relates to a mechanism for attaching and detaching a box-type container to a dump truck that is used by mounting the box-type container on a loading platform of the dump truck.

A common type of truck bed is a three-way unloading board, also called an ordinary board, and the truck bed is usually mounted by a truck chassis manufacturer. This three-side unloading platform can load and unload loads from the side and rear, and is convenient for carrying various items.
On the other hand, a box carrier is suitable for applications that place importance on luggage protection. This type of loading platform is currently mounted by body makers.

As described above, the characteristics of the normal carrier truck and the box carrier truck are different, so one of the vehicles must be selected at the time of purchase.Therefore, it is desirable to switch the carrier depending on the load to be used. Could not respond to the request.
Also, general cargo vehicles (cargo trucks) are configured with a cargo box fixed on the body frame. What is loaded on the box? It is unloaded by other cargo handling power or human power. Therefore, another cargo handling machine is required to obtain the cargo handling force, and when manpower is used, the labor and time required for the unloading operation is extremely inefficient.

Therefore, Japanese Patent Application Laid-Open No. 51-118215 (see Patent Document 1) mounts a container in an open container so that the container can be tilted as necessary, and loads the container in a cargo handling machine or manpower. A dump truck that can be used as a general lorry so that it can be quickly and easily unloaded without relying on it can be used as a so-called dump truck.

Japanese Patent Application Laid-Open No. 8-108789 (see Patent Document 2) discloses that a guide rail is laid in a front-rear direction along a chassis frame on a vehicle including an outrigger device that can be extended obliquely rearward on the left and right sides. A column is erected at the front end of the column, and a base end boom of the telescopic boom is pivotally supported at the upper end of the column. The tip boom of the telescopic boom is guided by the guide rail and is moved above and below the mast support. The mast support is fixed to a lifting mast device that holds the load and moves up and down, and pulleys are provided on the upper and lower stages of the mast support, and balanced ropes are provided on the upper and lower pulleys. A cargo handling vehicle has been proposed in which one end is attached to the rear end of the guide rail and the other end is attached to the upper end of the column.

In JP-A-10-181890 (see Patent Document 3), a storage body is provided so that it can be raised and lowered with respect to the mounting table by pivotally attaching the rear end side to the mounting table mounted on the loading platform of the vehicle. The mounting table portion is provided with a fixing portion that can fix the mounting table portion and the vehicle side, and a discharge portion that can discharge stored items is provided at the rear of the storage body, and the storage body is lifted to the front of the storage body. Proposed is a transportation device configured to drop and discharge the stored items from the discharge portion to the rear of the loading platform portion of the vehicle by providing a lifting portion to be obtained and lifting the lifting portion to lower and tilt the storage body backward. Has been.

Japanese Patent Laid-Open No. 2000-71855 (see Patent Document 4) discloses a container that can store a transported object, a carrier bed of a transport vehicle on which the container is placed, and a container that unloads the container from the carrier base of the transport vehicle. The container includes a loading / unloading device mounted on a transport vehicle. The container is provided with a transporter moving roller for moving a transported object in the container, and the container of the transport vehicle on which the container is placed includes the container. There has been proposed a container detachable transport vehicle provided with a container movement guide groove for moving and guiding a container roller provided in the container.

Japanese Patent Application Laid-Open No. 2000-198381 (see Patent Document 5) has a roof panel, a front panel, a rear panel, and left and right side panels, and is formed in a substantially box shape with the lower part opened, and at least the left and right side panels. A detachable container has been proposed in which an attachment portion that engages with the upper edge of the lift of the truck bed is provided at the lower edge portion of the truck.

In JP 2007-137293 A (see Patent Document 6), a base body loaded and fixed on a loading platform such as a truck is provided with a fulcrum for pivotally supporting the rear portion of the container loaded on the loading platform. When the base end of the cylinder for rotation is connected and the load in the container is lowered, the cylinder is extended to tilt the container around the fulcrum, and the load in the container can be slid down all at once. A dump container device characterized by this is proposed.

Japanese Utility Model Registration No. 3114945 (see Patent Document 7) discloses a truck vehicle in which a loading platform is detachably attached to a vehicle body, and extends along the front-rear direction of the vehicle body to form a skeleton of the vehicle body. A chassis frame, and a chassis frame that is formed to have substantially the same width and length as the chassis frame, and is provided on the rear surface of the cargo bed and is detachably fixed to the upper surface of the chassis frame. The frame and the carrier frame are each formed with a bracket having a bolt hole to be bolted to each other, and the set of the bracket to be bolted is such that the axial direction of the bolt inserted into the bolt hole is perpendicular. There has been proposed a truck vehicle that is provided so as to be inclined with respect to the vehicle.

JP 51-118215 A JP-A-8-108789 JP-A-10-181890 JP 2000-71855 A JP 2000-198381 A JP 2007-137293 A Utility Model Registration No. 3114945

However, each of the prior arts includes a container frame (Patent Document 1), a telescopic boom (Patent Document 2), a mounting base (Patent Document 3), a cargo handling device (Patent Document 4), and front and rear support members (Patent Document 5). As in the case of a hydraulic cylinder (Patent Document 6) and a loading frame (Patent Document 7), it is necessary to perform special processing on a truck bed or attach expensive parts such as a cargo handling device. There was a problem that became very expensive.

The present invention has been made to solve the above-mentioned problems, and the object of the present invention is to make it relatively easy to switch a dump truck's normal carrier to a box-type carrier and return it to its original ordinary carrier. It is an object of the present invention to provide a mechanism for attaching and detaching a box-type container to a dump truck that can be used with a loading platform inclined.

That is, the mechanism for attaching / detaching the box-type container of the present invention to the dump truck includes a box-type container in which reinforcing bars are attached vertically and horizontally at predetermined intervals on the side wall portion, A mechanism for attaching and detaching to a dump truck,
By providing a notch at the rear end of the horizontal reinforcing bar at the bottom of the box container and engaging the engagement member attached to the rear end of the dump truck bed, the dump truck bed is inclined. Even so, the box-type container is prevented from slipping down.

In the box-type container attaching / detaching mechanism of the box-type container according to the present invention, the box-type container is also characterized in that a suspension ring for lifting the box-type container with a crane is projected on the upper surface thereof.

In the mechanism for attaching and detaching the box-type container of the present invention, the box-type container inserts wires into a suspension ring for lifting with cranes on the upper surface thereof, and connects the wires to the dump truck bed, It is also characterized in that it can be fixed to the loading platform of the dump truck.

In the mechanism for attaching / detaching the box-type container to the dump truck according to the present invention, the box-type container has an open / close door provided with one, two, four, or five door plates on the back surface thereof. Is also a feature.

As described above, the dump truck loading platform can be switched to the box loading platform relatively easily by the mechanism for attaching and detaching the box container of the first invention to the original loading platform. You can also. Therefore, the use range of the dump truck is expanded.

Further, the box-type container has a hanging ring for lifting with a crane on its upper surface by the mechanism for attaching and detaching the box-type container to the dump truck according to the second aspect of the invention. Can be mounted on or removed from the dump truck bed.

By the mechanism for attaching and detaching the box-type container to the dump truck according to the third aspect of the invention, the box-type container inserts wires into a suspension ring for lifting with a crane on the upper surface thereof, and connects the wires to the dump truck bed. Since it can be fixed to the loading platform of the dump truck, the box-type container can be easily and reliably fixed on the loading platform of the dump truck.

By the attachment / detachment mechanism of the box-type container of the fourth invention to the dump truck, the box-type container has an open / close door provided with one, two, three, or four door plates on the back surface thereof. As a result, the load in the box-type container can be easily taken in and out.

It is a side view which shows the attachment or detachment mechanism to the dump truck of the box-type container of this invention. It is a side view of a box-type container. It is a rear view of a box-type container. It is a top view of a box-type container. It is a rear view which shows the relationship between a box-type container and the loading platform of a dump truck. It is a side view which shows the state which mounts a box-type container with heavy machines, such as a truck mounted crane and a crane, to the loading platform of a dump truck. It is a side view which shows the state which mounts a box-type container with a forklift on the loading platform of a dump truck.

Hereinafter, an embodiment of a mechanism for attaching and detaching a box-type container to a dump truck according to the present invention will be described in detail with reference to FIGS.
That is, in the mechanism for attaching and detaching the box-type container of the present invention to the dump truck, as shown in FIG. 2, the box-type container 11 has a cylindrical structure with a rectangular cross section, etc. The reinforcing bars 12 and 13 made of are attached vertically and horizontally at a predetermined interval.
And as shown in FIG. 1, the said box-type container 11 is attached to the loading platform 21 provided with the dumping function (illustration omitted) of a dump truck so that attachment or detachment is possible. Therefore, by using the dump function of the dump truck, the front part of the box-type container 11 can be lifted and the loading platform 21 of the dump truck can be inclined.

A notch 13b is formed at the rear end of the horizontal reinforcing bar 13a below the reinforcing bars 12 and 13 disposed vertically and horizontally at predetermined intervals on the side wall portion of the box-shaped container 11, and a notch is formed at the front end. A notch 13c is provided. The notch 13b is engaged with the engaging member 22 formed of a hinge portion provided at the rear end of the loading platform 21 of a general dump truck, and the notch 13c is engaged with the inside of the torii portion 23 at the front end of the loading platform 21. Match.
Therefore, even when the loading platform 21 of the dump truck is inclined as described above by engaging the notch 13b portion of the rear end portion of the lateral reinforcing bar 13a with the engaging member 22, the box-type container 11 does not slide down.

The box-shaped container 11 has a hanging ring 14 projecting upward on the upper surface thereof to be lifted by a heavy machine (not shown) such as a truck-mounted crane or a crane. Therefore, as shown in FIG. 6, by inserting a hook of a crane into the suspension ring 14 and lifting it up, the box-type container 11 can be easily mounted on or removed from the loading platform 21 of the dump truck with the crane.

As shown in FIG. 1, the box-shaped container 11 is mounted on a loading platform 21 of the dump truck, and wires 31 are inserted into a pair of suspension rings 14 in the width direction for lifting with a crane on the upper surface thereof. The wires 31 can be firmly fixed to the dump truck bed 21 by connecting the wires 31 to the engagement member 22 formed of a circular ring 25 or a hook provided on both sides of the dump truck bed 21 or a hinge portion. .

3 to 5 are a rear view, a plan view, and a rear view showing a method of attaching the dump truck to the loading platform.
The box-type container 11 has an open / close door 32 provided with one, two, four, or five door plates 32a on the back surface thereof. FIG. 3 illustrates the case where the door plates 32a and 32b are two on the left and right.
In FIG. 3, reference numeral 33 denotes a lock mechanism for the open / close door 32, and an engagement recess 34a of an engagement piece 34 pivotally attached to one door plate 32a is attached to the other door plate 32b. The coupling pin 34b is fitted and fixed. If the engagement pin 34b is screwed and tightened with the engagement recess 34a fitted, the opening / closing door 32 can be reliably closed by the lock mechanism 33.
In the figure, 35 and 36 are vertical and horizontal bars for reinforcing the open / close door 32, and 37 is a lock pin for stopping between the door plates 32a and 32b.

FIG. 4 is a schematic plan view of the box-shaped container 11, showing a notch 13 b portion at the end of the lateral reinforcing bar 13 a so that the notch 13 b abuts against the engaging member 22. By engaging, the box-type container 11 does not slide down even when the dump truck bed 21 is inclined as described above.
In FIG. 4, 24 is a tilt on the side of the dump truck, and the box container 11 is arranged on the loading platform 21 of the dump truck so that the reinforcing bars 12 and 13 of the box container 11 are positioned on the thickness of the tilt 24. Established.
FIG. 5 is a rear view showing the relationship between the box-shaped container 11 and the dump truck carrier 21, and the lower portion of the box-shaped container 11 is placed on the side wall 21 a raised from both ends of the dump truck carrier 21. It is housed to prevent lateral rattling.

Next, the operation of the mechanism for attaching and detaching the box-type container having the above-described configuration to the dump truck will be described.
When the box-type container 11 is mounted on a dump truck loading platform 21, as shown in FIG. 6, a hook 14 of a heavy machine (not shown) such as a truck-mounted crane or a crane is attached to a suspension ring 14 provided on the upper surface of the box-type container 11. The box-shaped container 11 is lifted up and mounted on the loading platform 21 of the dump truck.
Of course, as shown in FIG. 7, the box-type container 11 can be lifted to a predetermined height using a forklift 41 and mounted on the loading platform 21 of the dump truck.

Then, as shown in FIG. 1, the wires 31 are inserted into the suspension rings 14 for lifting with cranes on both sides of the upper surface of the box-type container 11, and the wires 31 are provided on both sides of the loading platform 21 of the dump truck. The box-shaped container 11 can be firmly fixed to the loading platform 21 of the dump truck by being connected to an engagement member 22 comprising a ring 25 or a hook or a hinge portion.
Of course, when the box-type container 11 is removed from the loading platform 21 of the dump truck, the wires 31 are released from the suspension ring 14, the round ring 25, the engaging member 22 and the like, and are provided on the upper surface of the box-type container 11. A hook of a crane (not shown) may be inserted into the suspended ring 14 to lift the box-type container 11 or lift it using a forklift 41.

With the mechanism for attaching and detaching the box-type container of the present invention to the dump truck, the box-type container can be mounted on the normal loading platform of the dump truck and used as a general truck, and the box-type container can be removed and used as an original dump truck Can be. Of course, the dump truck loading platform can be tilted for convenient use for unloading the load.
Further, the present invention can be applied to various dump trucks such as 2t, 3t, 4t, 8t, and 10t, and there is an effect that the use range of the conventional dump truck can be greatly expanded.

DESCRIPTION OF SYMBOLS 11 Box-shaped container 11a Side wall part 12 Vertical reinforcement bar 13 Horizontal reinforcement bar 13a Lower reinforcement bar 13b Notch 13c Notch 14 Suspension ring 21 Cargo bed 21a Side wall 22 Engaging member 23 Torii part 24 Round 25 Round ring 31 Wires 32 Open / close door 32a 32b Door plate 33 Lock mechanism 34 Engagement piece 34a Engagement recess 34b Engagement pin 35 Vertical beam 36 Horizontal beam 37 Lock pin 41 Forklift

Claims (4)

A mechanism for attaching / detaching a box-type container having a reinforcing bar attached vertically and horizontally at predetermined intervals to a side wall portion, and detachably attached to the loading platform of the dump truck,
By providing a notch at the rear end of the horizontal reinforcing bar at the bottom of the box container and engaging the engagement member attached to the rear end of the dump truck bed, the dump truck bed is inclined. A mechanism for attaching and detaching a box-type container to a dump truck, which prevents the box-type container from slipping down. The mechanism for attaching and detaching a box-shaped container to a dump truck according to claim 1, wherein a hanging ring for lifting the box-shaped container by a crane or the like protrudes from an upper surface thereof. The box-type container is configured such that wires are inserted into a suspension ring for lifting with cranes on the upper surface thereof, the wires are connected to a dump truck bed, and can be fixed to the dump truck bed. A mechanism for attaching and detaching a box-type container to a dump truck according to claim 1 or 2. The said box-type container has the opening-and-closing door provided with the door plate of 1, 2, 4, or 5 sheets on the back surface, The Claim 1 thru | or 3 characterized by the above-mentioned. A mechanism for attaching and detaching a box-type container to a dump truck.

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