JPH086605Y2 - Vehicle carrier - Google Patents

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial field of application) The present invention relates to a vehicle carrier having a lower deck and an upper deck located above the lower deck, and particularly to an improvement in the middle portion of the lower deck. Regarding

(Prior Art) Conventionally, as shown in, for example, Japanese Patent Publication No. 59-2651 or Japanese Utility Model Publication No. 6328001, a gooseneck portion located at the front end of the chassis and a rear end portion of the chassis are located. A lower deck consisting of three decks located in the rear part and between them and the front end rising to the gooseneck position to serve as a road plate, and an upper deck that can be lifted above this lower deck. Vehicle carriers equipped with the vehicle are generally known.

By the way, in the conventional vehicle carrier described above, the middle part of the lower deck is used as a road plate for mounting the vehicle on the lower deck gooseneck part as described above. In addition to being pivotally attached to the lower end of the lifting hydraulic cylinder, the rear end portion of the lower deck middle portion is pivotally attached to the chassis. When the hydraulic cylinder is expanded and contracted while the upper deck is fixed, the front end of the middle portion of the lower deck swings up and down to the lower deck gooseneck position.

(Problems to be Solved by the Invention) In the conventional vehicle carrier having the lower deck intermediate portion having the above-mentioned configuration, the vehicle can be efficiently mounted on the gooseneck portion, and a small vehicle can be mounted on the lower deck. Since it can be mounted on a table, it has an advantage of high transportation efficiency.

However, even when a vehicle having a short vehicle length such as a light vehicle is mounted, there is a problem that only three vehicles can be mounted on the lower deck with the conventional structure of the middle portion of the lower deck.

Further, in the conventional vehicle carrier, since the swinging of the lower deck middle portion and the raising and lowering of the upper deck are driven by one hydraulic cylinder, the operation when swinging the lower deck middle portion is performed. There is also the problem that it becomes complicated and the operability is poor.

The present invention has been made in view of the current situation, and can efficiently mount a vehicle on the gooseneck portion and also can be easily operated. In the case of a vehicle such as a light vehicle having a short vehicle length, the lower deck is used. It is an object of the present invention to provide a vehicle carrier capable of mounting four vehicles on the top and having good operability at that time.

[Constitution of device]

(Means for Solving the Problem) As a means for achieving the above object, the present invention provides a deck main body in which a lower deck middle portion is supported by a chassis through a fulcrum mechanism at a rear end and a front end swings up and down. The auxiliary deck is located in the middle part of the deck body in the front-rear direction, the front end is pivotally attached to the deck body and the rear end swings up and down on the deck body, and a predetermined amount slides in the front-rear direction along the guide provided on the chassis. A movable slide member, a retractable drive means having a rear end pivotally attached to the slide member and a front end pivotally attached to the deck body, and a front end pivotally attached to the slide member and a rear end of the auxiliary deck. An expandable link pivotally attached to the deck, a deck fixing mechanism for temporarily fixing the deck body on a chassis, a slide member fixing mechanism for temporarily fixing the slide member at a predetermined position, and a predetermined expansion and contraction of the link. It is characterized in that it is constituted by a link fixing mechanism for temporarily fixing the length.

(Operation) In the vehicle transport vehicle according to the present invention, when the vehicle is mounted on the lower deck gooseneck portion, the telescopic drive means is extended while the slide member is temporarily fixed by the slide member fixing mechanism. Then, the front end of the deck body swings upward to the position of the gooseneck portion, and the deck body and the auxiliary deck form a road board.

After mounting the vehicle on the gooseneck part, when the expansion / contraction drive means is contracted, the front end of the deck body swings downwards and is superimposed on the chassis, one on the middle of the lower deck and one on the rear of the lower deck. It becomes possible to mount a vehicle.

On the other hand, when a vehicle with a short vehicle length such as a light vehicle is mounted in the middle part of the lower deck, the deck body is temporarily fixed on the chassis by the deck fixing mechanism and the link length is fixed by the link fixing mechanism. . Then, the extension / contraction drive means is extended while the slide member is slidable. Then, the rear end of the auxiliary deck swings upward with the front end as a fulcrum, and one vehicle can be mounted diagonally between the auxiliary deck and the front part of the deck body.
Also, it is possible to mount two vehicles between the rear part of the deck main body and the rear end of the lower deck, and combine them with one on the lower deck gooseneck,
It becomes possible to mount one vehicle.

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

FIG. 1 shows an example of a vehicle carrier according to the present invention. In the figure, reference numeral 1 is an undercarriage of the vehicle carrier, and a wheel 2 is provided at a rear end of the undercarriage 1 and a front end thereof. A concave gooseneck portion into which the tractor 3 is inserted is formed in the portion. Then, on this chassis 1, a lower deck gooseneck portion 4a on the gooseneck portion, a lower deck rear portion 4b on the wheel 2 and a lower deck intermediate portion 4c therebetween.
There is a lower deck 4 consisting of three decks.

Further, as shown in FIG. 1, an upper deck 5 composed of three decks of an upper deck front part 5a, an upper deck middle part 5b and an upper deck rear part 5c is arranged above the lower deck 4. The upper deck 5 can be moved up and down by known means. In addition, this upper deck 5
Since the structure is not directly related to the gist of the present invention, its detailed description will be omitted.

As shown in FIG. 2 to FIG. 5, the lower deck middle part 5c of the front lower deck 5 includes a deck body 6, an auxiliary deck 7, and a hydraulic cylinder 8 which exclusively drives these independently of the upper deck 5. I have it.

As shown in FIGS. 2 to 5, the deck main body 6 includes a support frame 6a and upper surface plates 6b welded to both sides of the lower surface of the support frame 6a. As shown in FIG. 5, a recessed portion 9 in which the upper surface plate 6b is not provided on both sides is provided at a portion closer to the rear end than the center. As will be described later in detail, the support frame 7a of the auxiliary deck 7 is fitted into the recess 9 from above, and the upper surface of the support frame 7a is a top plate.
It is almost flush with 6b to form a road board.

As shown in FIGS. 2 to 5, the rear end of the support frame 6a is pivotally attached to the chassis 1 via a fulcrum mechanism 10 composed of a hinge so that the front end can swing up and down. In addition, by inserting the pin 12 into the pin hole 11a provided in the chassis 1 and the pin hole 11b provided in the support frame 6a, the deck body 6 is temporarily fixed to the chassis 1.

On the other hand, as shown in FIGS. 2 to 5, the auxiliary deck 7 is fitted into the recess 9 and has a support frame 7a whose top surface is substantially flush with the top plate 6b, and both sides of the support frame 7a. It is provided with a pair of arms 7b (only one of which is shown) having a rear end fixed to the section, and the front end of each arm 7b is pivotally mounted on the deck body 6 via a hinge pin 13. And the auxiliary deck 7
As shown in FIG. 3, it is possible to swing upward from the deck main body 6 with the hinge pin 13 as a fulcrum.

As shown in FIGS. 2 to 5, guide rails 14 (only one of which is shown in the form of a C channel) having an inward opening are fixedly provided on both sides of the chassis 1, respectively. Each guide rail 14 has a slide member 15
Are slidably engaged in the front-back direction.

As shown in FIGS. 2 to 5 only on one side, a rear end of the hydraulic cylinder 8 is pivotally attached to each of the slide members 15 via a hinge pin 16, and a front end of a link 17 which will be described later. The hydraulic cylinder 8 is pivotally attached via a hinge pin 18, the front end of the hydraulic cylinder 8 is pivotally attached to a portion near the front end of the support frame 6a via a hinge pin 19, and the rear end of the link 17 is attached to the arm 7b. It is pivotally attached to the rear end via a hinge pin 20. The slide member 15 is temporarily fixed at the front end position in the sliding direction by inserting a pin 22 into a pin hole 21 provided in the guide rail 14 as shown in FIGS. 2, 4, and 5. It is supposed to be done.

As shown in FIG. 6, the link 17 has an outer cylinder portion 17a.
And the inner cylindrical portion 17b slidably fitted in the outer cylindrical portion 17a.
And a rectangular frame-shaped pin guide 23 slidably mounted on the outer surface of the inner cylindrical portion 17b, and a pin hole 24 provided in the inner cylindrical portion 17b and a pin hole 25 provided in the pin guide 23. By inserting the pin 26, the expansion / contraction length of the link 17 can be temporarily fixed to a predetermined length.

 Next, the operation of this embodiment will be described.

When the vehicle C is mounted on the lower deck gooseneck portion 4a, the hydraulic cylinder 8 is contracted while the pins 12, 22, and 26 are removed. Then, the slide member 15 slides forward along the guide rail 14. Therefore, the pin 22 is inserted into the pin hole 21 to temporarily fix the slide member 15 at the slide front end position.

Then, the hydraulic cylinder 8 is extended. Then
As shown in FIG. 2, the deck body 6 swings upward by an angle θ1 about the fulcrum mechanism 10 as a fulcrum, and the
As shown in the figure, the front end is the lower deck gooseneck portion 4a position. Therefore, the vehicle C can be easily mounted on the lower deck gooseneck portion 4a.

After mounting the vehicle C, if the hydraulic cylinder 8 is reduced,
The deck body 6 swings downward together with the auxiliary deck 7 and returns to the original state. Therefore, as shown in FIG.
In the case of a small vehicle, three vehicles C can be mounted on the lower deck 4 as in the conventional vehicle.

On the other hand, when a vehicle C such as a light vehicle having a short vehicle length is mounted on the lower deck 4, first, one vehicle C is mounted on the lower deck gooseneck portion 4a by the same procedure as described above. Then, after that, the deck body 6 is swung downward to the state shown by the chain line in FIG.

Then, the vehicle C is mounted between the front end of the deck main body 6 of the lower deck intermediate portion 4c and the auxiliary deck 7.

Next, the pin 22 is removed to release the temporary fixing of the slide member 15, and the pins 12 and 26 are attached to the deck body 6
And the expansion and contraction of the link 17 are temporarily fixed. Then, in this state, the hydraulic cylinder 8 is extended. Then
As shown in FIG. 3, the slide member 15 has a guide rail 14
Slide back along the auxiliary deck 7 and the arm 7b
It swings upward with the hinge pin 13 at the front end as a fulcrum. As a result, the vehicle C mounted between the auxiliary deck 7 and the front end of the deck body 6 is inclined as shown in FIG. 9, and a large mounting space is secured on the rear end side of the deck body 6. Therefore, two vehicles C can be mounted on the rear portion of the deck body 6 and the rear portion of the lower deck 4b as shown in FIG.

FIGS. 10 to 12 show another embodiment of the present invention, in which the fulcrum mechanism 10 is replaced with the fulcrum mechanism.
30 is used.

That is, the fulcrum mechanism 30 includes a link arm 30a, a hinge 30b for pivotally attaching the lower end of the link arm 30a to the chassis 1 and an upper end of the link arm 30a as shown in FIGS. A hinge 30c pivotally attached to the rear end of the link arm 30a. The hinge 30b has a stopper 31 for restricting the counterclockwise swing of the link arm 30a in FIG.
Is provided. As shown in FIG. 10, the fulcrum mechanism 30 swings to the position where the link arm 30a abuts the stopper 31 when the deck body 6 is tilted by swinging its front end upward, The rear end of the deck body 6 is the chassis 1.
It can be lifted from.

In other respects, the structure is the same as that of the first embodiment and the operation is the same.

Then, when the deck body 6 is tilted, the rear end of the deck body 6 is lifted from the chassis 1. Therefore, the angle θ2 formed by the deck body 6 with the chassis 1 is the same as in the first embodiment. The value is smaller than the angle θ1 (see FIG. 2). Therefore, even in a low floor vehicle having a small approach angle (the maximum inclination angle at which the front end lower surface of the vehicle does not contact) and departure angle (the maximum inclination angle at which the rear end lower surface of the vehicle does not contact) are small, It can be mounted on the lower deck gooseneck 4a without any problem.

[Effect of device]

As described above, the present invention drives the middle part of the lower deck by using a dedicated expansion and contraction drive means different from that for driving the upper deck, so that the vehicle can be efficiently mounted on the gooseneck part. It can be performed with good operability.

Further, the middle portion of the lower deck includes a deck main body 6 and an auxiliary deck 7, and the auxiliary deck swings upward on the deck main body 6 with the front end as a fulcrum. For vehicles with a short overall length, four vehicles can be mounted on the lower deck. At that time, if the temporary fixing points are changed by the respective fixing mechanisms, it is only necessary to extend / contract the extension / contraction driving means, so that the operability is also very good.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram showing a vehicle carrier according to the present invention, FIG. 2 is a detailed view of an intermediate portion of a lower deck thereof, and FIG. 3 is a lower stage when a vehicle having a short vehicle length such as a light vehicle is mounted. 2 is a view showing the state of the middle part of the deck, FIG. 4 is an exploded view of the middle part of the lower deck, FIG. 5 is a plan view of the essential parts of the middle part of the lower deck, and FIG. 6 is a perspective view showing the structure of the link. , FIG. 7 is an explanatory view showing a state in which a vehicle is loaded onto the lower deck gooseneck portion, FIG. 8 is an explanatory view showing a state in which a small vehicle is mounted, and FIG. 9 is an explanatory diagram showing a state in which a light vehicle is mounted, FIG. 10 is a view equivalent to FIG. 2 showing another embodiment of the present invention, and FIG. 11 is a view of FIG.
FIG. 12 is an enlarged view of the XI portion, and FIG. 12 is a plan view of FIG. 1 ... Car chassis, 4 ... lower deck, 4a ... lower deck gooseneck part, 4b ... lower deck rear part, 4c ... lower deck middle part, 5
… Upper deck, 6… Deck body, 7… Auxiliary deck, 8…
Hydraulic cylinders, 10, 30 ... Support mechanism, 12, 22, 26 ... Pins, 13,
16,18,19,20 ... Hinge pin, 14 ... Guide rail, 15 ... Sliding member, 17 ... Link, 17a ... Outer cylinder part, 17b ... Inner cylinder part,
30a ... Link arm, 30b, 30c ... Hinge, 31 ... Stopper,
C ... vehicle.

Claims (1)

[Scope of utility model registration request] 1. A gooseneck portion located at a front end portion of a chassis,
It is possible to move up and down to a lower deck consisting of three decks in the middle located between the rear part of the chassis and the rear part between them and the gooseneck part where the front end rises to the gooseneck position and the lower deck. In a vehicle carrier equipped with an upper deck arranged in, a lower deck middle part is supported by a chassis through a fulcrum mechanism at a rear end and a front end swings up and down, and a front and rear of the deck main body. An auxiliary deck which is arranged in the middle part of the direction and whose front end is pivotally attached to the deck main body and whose rear end swings up and down on the deck main body; An extension drive means having a rear end pivotally attached to the slide member and a front end pivotally attached to the deck body; and a front end pivotally attached to the slide member and a rear end pivotally attached to the auxiliary deck. An expandable link, a deck fixing mechanism for temporarily fixing the deck body on a chassis, a slide member fixing mechanism for temporarily fixing the slide member with a predetermined fixing, and a link for temporarily fixing the link with a predetermined expanding and contracting length. A vehicle carrier, comprising: a fixing mechanism.