JPH0726222Y2 - Container trailer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention relates to a trailer for transporting a container, and more particularly to a trailer that can be hoisted by a container carrier to be stacked and stored.

[Prior Art] Generally, a trailer has a container mounted on a vehicle body and is towed by a towing vehicle for transportation of the container. Many of these trailers are used in container wharfs and the like, and when these trailers were not used, it was necessary to store them in a predetermined place.

As a device for storing the trailer, a storage facility as shown in FIG. 12 (Japanese Utility Model Publication No. Sho 64-11253) has been proposed.

As shown in the figure, a trailer 1 is generally provided with wheels 3 on both sides of a rear portion of a vehicle body 2 towed by a towing vehicle (not shown). A telescopic support leg 4 for supporting 2 is provided. The extendable support legs 4 can be adjusted in support height when the trailer 1 is connected to a towing vehicle.

The storage facility 8 for storing the trailer 1 is provided with a plurality of pallets 6 that can be moved up and down, the pallets 9 are positioned on the ground level, and the pallets 9 are pulled by a towing vehicle (not shown) to travel. The trailer 1 is placed, and the pallet 9 on which the trailer 1 is placed is lifted up to form a stepwise sequence from the top, and the trailer 1 is stored three-dimensionally. The trailer 1 can be stored.

[Problems to be Solved by the Invention] However, the storage facility 8 requires a plurality of pallets 9, a lifting device and a frame for these pallets 9, resulting in a large cost, and is also restricted by the space for storage. Therefore, there is a problem that the number of storages is limited.

The present invention was devised to solve the above-mentioned problems, and the purpose thereof is to store a large number of trailers at a proper place by stacking them by a container carrier without the need for equipment for storing. (EN) Provided is a container trailer capable of supporting a container on a vehicle body without lateral displacement.

[Means for Solving the Problems] In order to achieve the above object, the present invention provides telescopic support legs that extend and contract below the vehicle body to support the vehicle body on both the front and rear sides of the vehicle body of a trailer on which a container is placed. Forming a receiving seat on the upper surface of the vehicle body that fits with the tip of the telescopic support leg of the next stage to be stacked on top of it, and hold the vehicle body with the spreader of the container carrier to lift and stack the vehicle body. Front engaging holes and rear engaging holes that engage with the locking pins of the spreader are provided on both sides of the part, and in the rear engaging holes,
A support member that engages with and supports the container to be placed is provided, and the support member is provided with a moving means that disengages the rear member from the rear engagement hole when lifting the trailer and returns to the rear engagement hole when the container is placed. It is provided.

[Operation] According to the above configuration, first, when stacking the trailers, the trailers are placed at appropriate places. At this time, the support member is disengaged from the rear engaging hole, and the telescopic support legs for supporting the vehicle body support the vehicle body in a substantially horizontal state so that the wheels do not bear the vehicle body weight. Next, another trailer is hoisted and stacked on the vehicle body by a container carrier. At the time of hoisting and stacking, the container carrying device connects the front engaging hole and the rear engaging hole of the vehicle body with the locking pin of the spreader to grip the trailer, hoisting and stacking, and The upper-layer trailer is stacked by extending the telescopic support legs and fitting the tip end thereof to the receiving seat of the lower-layer trailer. As a result, the trailers are stacked in a stable state, and the stacking is carried out by stacking with the existing container carrier installed at the container wharf. The number of storages is not limited because they are not necessary and are stored in a stack at an appropriate place.

Further, when loading the container on the trailer, the container can be supported by the engaging pin by returning the engaging pin to the rear engaging hole. Therefore, the container can be hoisted and the trailer can be hoisted with one container carrier.

[Embodiment] An embodiment of the present invention will be described with reference to the drawings.

In FIGS. 1 to 3, 1 is a trailer. The trailer 1 has a vehicle body 2 on which a container 10 is placed, and wheels 3 are suspended via leaf springs 11 on both sides of a rear portion of the vehicle body 2. A connecting frame 12 connected to a towing vehicle (not shown) is provided at a front portion of the vehicle body 2, and a front end portion of the connecting frame 12 is swingable and turnable by the towing vehicle. Connecting device (not shown) to be connected
Is provided. The connecting frame 12 is formed in a step shape upward from the vehicle body 2.
12 is fitted in a fitting recess (not shown) of the container 10 to be placed.

Further, at the rear end of the vehicle body 2, there is provided a rear support frame 13 for supporting the container 10 extending in both vehicle width direction outward directions. An engagement pin 14 is provided for engaging and supporting the container 10 to be engaged.

The trailer 1 is provided with telescopic support legs 15 for supporting the vehicle body 2 on both front and rear sides of the vehicle body 2, and the tip end portion of the telescopic support leg 15 of the next stage to be stacked is fitted on the upper surface of the vehicle body 2. A receiving seat 16 is provided.

Specifically, as shown in FIG. 3, the expansion and contraction support leg 15 is attached to the vehicle body 2 with its base portion 18 supported by a support member 17, and is extendable and contractible from the base portion 18 downwardly. Is provided. An expansion / contraction drive device (not shown) such as a screw member or a cylinder for expanding / contracting the expansion / contraction part 19 is incorporated inside the expansion / contraction support leg 15. The stroke of the expansion / contraction part 19 prevents the weight of the vehicle body 2 from being carried by the wheels 3 when the expansion / contraction part 19 extends to support the vehicle body 2.
A truncated pyramid-shaped landing portion 20 is formed in a convex shape at the lower end of 19. Further, at the upper end of the base portion 18, a receiving seat 16 into which the landing portion 20 of the telescopic support leg 15 of the upper vehicle body 2 is fitted is formed in a concave shape having the same shape as the landing portion 20. Although FIG. 3 shows only the rear extension support legs 15, the front extension support legs 15 have basically the same structure.

The elastic support legs 15 may be bendable so that they can be stored during traveling.

By the way, the trailer 1 can use a container transfer device (not shown) that transfers the containers 10 in order to lift and stack the trailers 1. That is, as shown in FIGS. 2 and 4, spreaders 21 are provided on both front and rear sides of the vehicle body 2.
Front engaging holes 22 and rear engaging holes 23 that are engaged with the engaging pins (not shown).

As shown in FIG. 2, the front engaging hole 22 is formed in the connecting frame 12
Engaging member provided on the front part of the vehicle so as to extend outward in the vehicle width direction
It is provided at both ends of 24, and the rear engagement holes 23 are provided at both sides of the rear support frame 13 as shown in FIG. These front and rear engagement holes 22 and 23 are formed in a long hole shape, and the locking pin of the spreader 21 is engaged when they are inserted through these engagement holes 22 and 23 and rotated 90 degrees. It has become so.

Further, as shown in FIGS. 4 to 8, the rear engaging hole 23
Is provided with an engagement pin (support member) 14 that engages with and supports the lower surface of the container 10 placed on the vehicle body 2. The engagement pin 14 has a rear engagement hole when the trailer is lifted. A moving means is provided for separating the container from the contact hole 23 and returning to the rear engagement hole 23 when the container is placed. 5 and 6
The figure shows the engagement pin 14 protruding so that the engagement pin hole of the container 10
FIGS. 7 and 8 show a state in which the engaging pin 14 is inserted and engaged, and the engaging pin 14 is sunk to form a rear engaging hole 23, and the spreader 21 is locked in the engaging hole 23. The figure shows the pin 25 inserted and engaged therewith.

First, as shown in FIG. 4, the engagement pin 14 is supported in a pin support portion 26 that defines both sides of the rear support frame 13, and the hole through which the engagement pin 14 projects is shown in the drawing. Thus, the rear engaging hole 23 is engaged with the locking pin 25 of the spreader 21 and is formed in an elongated hole.

As shown in FIGS. 5 and 6, the engaging pin 14 is rotatably supported by a main body 27 of the engaging pin 14 on a pin bearing member 28 provided in a pin supporting portion 26 so as to be vertically movable. . This pin bearing member 28 has a longitudinal section as shown in FIG.
The upper end of the pin is projected from the rear engagement hole 23 so that it does not rotate together with the pin body 27. The pin body 27 protrudes from the rear engagement hole 23 and is inserted into the engagement pin hole 30 of the container 10 and then rotated 90 degrees to engage with the engagement pin hole 30. Is formed, and the constricted portion 32 in which the engaging end portion 31 is formed is brought into contact with the upper end portion of the pin bearing member 28. Also, the lower end of the pin body 27 is
The bottom plate 26a is inserted and extends downward, and a rotation handle 33 for operating the rotation of the pin body 27 is provided on the lower end side thereof.

As shown in FIG. 5, the moving means for moving the engaging pin 14 in the vertical direction is provided by loosely fitting the lower part of the pin body 27, and the lower end thereof is inserted through the bottom plate 26a of the support part 26. A cylindrical lifting screw member 34 having a screw on the outer periphery, a bottom plate 26a into which the lifting screw member 34 is inserted, a female screw portion 35 into which the lifting screw member 34 is screwed, and a lower end of the lifting screw member 34. And an elevating handle 36 for rotating an elevating screw member 34 provided on the upper part. The upper end of the lifting screw member 34 is in contact with the lower end of the pin bearing member 28,
When the lifting screw member 34 rotates and rises, the lifting screw member 34 moves the pin main body 27 upward together with the pin bearing member 28, and when the lifting screw member 34 descends, the pin main body 27 moves. 27, the pin bearing member 28 is designed to descend by gravity.

Next, the operation of this embodiment will be described.

First, when stacking the trailers 1, the trailers 1 are placed at appropriate places. At this time, the telescopic support legs that support the vehicle body
The wheel 15 supports the vehicle body 2 so that the vehicle body 2 is in a substantially horizontal state so that the wheel 3 does not bear the load of the vehicle body 2. Next, another trailer 1 is hoisted and stacked on the vehicle body 2 by a container carrier (not shown). At the time of hoisting and stacking, the container transport device is
Of the spreader 21 is coupled to the front engagement hole 22 and the rear engagement hole 23 of the spreader 21, and the trailer 1 is gripped, lifted, and stacked. Are extended, and the landing portion 20 at the tip end thereof is fitted into the receiving seat 16 of the trailer 1 at the lower stage to be stacked.

As a result, the trailers 1 are stacked in a stable state,
In addition, since the stacking is performed by the container transfer device installed at the container wharf, there is no need for a storage facility or a device for storing, and the stacking is performed at an appropriate place. There is no limit to the number of units that can be stored.

Further, when the engaging pin 14 is provided so as to be retractable, first,
When the container 10 is placed on the vehicle body 2, as shown in FIGS. 5 and 6, the container 10 is placed on the vehicle body 2 and the engaging pin 14 is raised by operating the elevating handle 36. The container 10 is inserted into the engagement pin hole 30 and the rotation pin 33 is operated to rotate the engagement pin 14 90 degrees to engage the engagement pin hole 30 to engage and support the container 10.

Next, when the trailer 1 is hoisted by the container carrying device, first, the engaging pin 14 is lowered below the upper surface of the support frame 13 by the operation of the elevating handle 36 as shown in FIGS. 7 and 8. To form the rear engagement hole 23. Next, the locking pin 25 of the spreader 21 of the container carrying device is inserted into and engaged with the rear engagement hole 23 and the front engagement hole 22 thus formed, and the trailer 1 is lifted.

In this way, the trailer 1 moves the engagement pin 14 downward to form the rear engagement hole 23, so that the container can be engaged and supported, and the trailer 1 can also engage the locking pin of the spreader. Therefore, the container 10 or the trailer 1 can be selected and lifted by one container carrier.

9 to 11 show another embodiment. In this embodiment, the engagement pin 14 is moved along the upper surface of the vehicle body to form the rear engagement hole 23. This engagement pin
As shown in FIG. 9, 14 is supported by support portions 37 provided at both ends of the rear support frame 13, and along a long hole 38 formed on the upper surface of the support portion 37 along the vehicle length direction. It is movably installed. That is, in the engagement pin 14, as shown in FIGS. 10 and 11, the pin body 27 has a long hole in the support portion 37.
It is rotatably supported by a pin bearing member 39 movably provided along the 38, and the pin bearing member 39 is supported by a support member 40 provided along the elongated hole 38. As shown in the figure, the pin main body 27 causes the constricted portion 32 of the engaging end portion 31 to contact the upper end portion of the pin bearing member 39 protruding from the elongated hole 38,
The pin bearing member 39 is inserted, and the lower end side is screwed with a nut 41 to be fixed to the pin bearing member 39, and the lower end portion thereof is provided with a rotating handle 33 for rotating the pin body 27. There is.

Further, as shown in FIG. 10, the moving means for moving the engagement pin 14 has one end connected to the pin bearing member 39 via the pin 42, extends in the longitudinal direction of the elongated hole 38, and has the other end. A moving screw member 43 that inserts the side plate 37a of the support portion 37 and a side plate 37a that the moving screw member 43 inserts are rotatably provided.
The moving screw member 43 is screwed into a female screw portion 44, and a moving handle 45 for rotating the female screw portion 44. The moving handle 44 is operated to lengthen the engagement pin 14 together with the bearing member 39. It is adapted to reciprocate along the hole 38. As a result, when the container 10 is placed on the vehicle body 2, the engaging pin 14 is moved to the position shown by the solid line in FIG. When the trailer is lifted by the container transporting device by engaging and supporting, the engaging pin 14 is moved to the position of the chain double-dashed line in FIG. 10 to form the rear engaging hole 23 in a part of the elongated hole 38. Then, the locking pin 25 of the spreader 21 is inserted into and engaged with the rear engagement hole 23 and the front engagement hole 22 thus formed, and the trailer 1 is lifted.

In this embodiment, the same effect as that of the above-described embodiment is exhibited, and since the handle 45 for moving the engagement pin 14 is provided above, the operation thereof becomes easy.

Although the engaging pin 14 is moved in the vehicle length direction in this embodiment, the engaging pin 14 is moved in the vehicle width direction by forming a long hole in the vehicle width direction on the upper surface of the vehicle body 2. You may do it.

[Effect of Invention] The present invention has the following effects.

(1) You can stack trailers with a spreader,
The storage ratio of the trailer can be greatly increased.

(2) The container can be supported by the trailer without lateral displacement.

[Brief description of drawings]

1 is a side view showing an embodiment of the present invention, FIG. 2 is a plan view thereof, FIG. 3 is a side view showing a telescopic support leg of the present invention, and FIG. 4 is a plan view showing a rear portion of a trailer. FIG. 5 is a sectional view taken along the line VV of FIG. 4 showing the engagement pin, and FIG. 6 is a VI- of FIG.
VI sectional view, FIGS. 7 and 8 are sectional views showing the action of the engaging pin, and FIG. 9 is a plan view showing another embodiment of the engaging pin.
10 is a sectional view taken along line XX in FIG. 9, and FIG. 11 is XI in FIG.
FIG. 12 is a cross-sectional view taken along the line -XI, showing a conventional example. In the figure, 1 is a trailer, 2 is a vehicle body, 10 is a container, 14 is an engaging pin, 15 is an elastic support leg, 16 is a receiving seat, 20 is a landing portion as a tip portion, 21 is a spreader, and 22 is a front engaging portion. A fitting hole, 23 is a rear engaging hole, and 25 is a locking pin of the spreader.

Claims (1)

[Scope of utility model registration request] 1. A telescopic support leg that extends and contracts below the vehicle body to support the vehicle body is provided at both front and rear sides of the vehicle body of a trailer on which a container is mounted, and the next stage telescopic support leg that is stacked on the upper surface of the vehicle body is stacked. Before forming the receiving seat that fits with the tip of the vehicle and engaging the spreader locking pin of the spreader on both sides of the front and rear of the vehicle so that the vehicle can be grasped by the spreader of the container carrier and lifted and stacked. A rear engaging hole is provided in the rear engaging hole, and a supporting member that engages with and supports a container to be placed is provided in the rear engaging hole, and the rear engaging hole is provided on the supporting member when the trailer is lifted. A trailer for a container, characterized in that it is provided with a moving means that is detached from the container and returned to the rear engaging hole when the container is placed.