JPH0667490U - Forklift vehicle mounting device for van type vehicle - Google Patents

Abstract

(57) [Summary] [Purpose] By utilizing the opening and closing operation of the opening and closing door provided in the luggage box of a van type vehicle, the forklift vehicle supported by the opening and closing door can be moved from the ground to the inside of the luggage box, and from the inside of the luggage box to above the ground. To be able to wholesale. [Structure] A fork hanger 3 is provided on the inner surface of a double door 2l that opens and closes a doorway 1 of a cargo box B of a van type vehicle Vb so that the fork hanger 3 can be folded, and the forklift vehicle Vf is supported by the fork hanger 3. After that, by closing the opening / closing door 2l, the forklift vehicle Vf is moved to the packing box B.
Can be loaded into

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention is a van-type vehicle equipped with a forklift vehicle, which enables a small forklift vehicle to be carried in or out of the luggage box by using an opening / closing door that opens and closes the entrance / exit of the luggage box of the van-type vehicle. It relates to the device.

[0002]

[Prior art]

 When loading and unloading a small forklift vehicle onto the loading platform of a conventional truck or other transportation vehicle, a guide plate is laid between the loading platform and the ground, and the forklift vehicle is allowed to run by itself on this guiding plate. As shown in Japanese Patent Application Laid-Open No. 2397, a swingable locking device is provided on a loading platform of a transportation vehicle, and a forklift vehicle fork is inserted into and held by the locking device, and then the forklift vehicle itself is lifted by its lifting force. It is known that the forklift vehicle is transferred onto the loading platform by automatically lifting the vehicle and turning the locking device.

[0003]

[Problems to be solved by the device]

 However, with the above-mentioned mounting means using the guide plate, the work of straddling and removing the guide plate is troublesome, and not only the workability is poor, but there is also a problem that running a forklift vehicle on the guide plate is dangerous. In addition, in the mounting means using the locking device, the relatively large-scale locking means occupies a part of the carrier of the transport vehicle, which not only reduces the effective space of the carrier but also increases the cost. There are challenges.

The present invention has been made in view of the above circumstances, and in a van type vehicle, a fork hanger is provided on the inner surface of an opening / closing door that opens and closes the entrance of the cargo box, and the forklift vehicle supported by the fork hanger is opened and closed. An object of the present invention is to provide a forklift vehicle-mounted device in a van-type vehicle having a simple structure, which can be loaded into and unloaded from a luggage box by opening and closing a door.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention is characterized in that in a van type vehicle in which an opening / closing door which can be opened / closed is provided at the entrance / exit of a box-shaped packing box, a forklift is provided on the inner surface of the opening / closing door. That is, the fork hanger that can hold the fork of the vehicle that can be lifted and lowered is inserted and held so that it can be extended and stored.

[0006]

【Example】

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

FIG. 1 is a side view of a van-type vehicle with an opening / closing door opened, FIG. 2 is an enlarged view of a part of FIG. 1, and FIG. 3 is a side view of FIG.

1 to 3, a van-shaped vehicle Vb has a box-shaped packing box B mounted on a vehicle frame S, and a rear surface of the packing box B is provided with an entrance / exit 1. At the entrance / exit 1, a pair of left and right opening / closing doors 2 and 2 are hinged so that they can be opened and closed. A pair of fork hangers 3, 3 capable of inserting and holding a fork F of a forklift vehicle Vf, which will be described later, can be foldably supported on the inner surface of the left openable door 2.

Next, the support structure of the fork hangers 3, 3 will be described mainly with reference to FIGS. 2 and 3, on the inner surface of the left opening / closing door 2 and below the opening / closing door 2 with a lateral interval. The upper brackets 4 and 4 and the lower brackets 5 and 5 are fixed to each other. The upper ends of the bending links L of the upper brackets 4 and 4 are vertically rotatable by connecting pins P ₁ and P _1. Further, the base ends of the fork hangers 3 are connected to the lower brackets 5 and 5 so as to be vertically rotatable by connecting pins P ₂ and P ₂ . Each bending link L is composed of an upper link 6 and a lower link 7 which are rotatably connected to each other by a connecting pin P ₃ , and the lower end of the bending link L is connected to the free end of the fork hanger 3 by a connecting pin. It is rotatably connected with P ₄ . The fork hangers 3 can be folded so as to have a substantially horizontal projecting position as shown by solid lines in FIGS. 2 and 3 and a storage position that is substantially parallel to the opening / closing door 2 as shown by chain lines in FIG. Is.

A pair of lock members 8 1, 8 are provided on the inner surface of the opening / closing door 2 so as to be close to the bending links L 1, L 2, respectively. Each of the lock members 8, 8 is provided with a lock pin 9, 9 which can be retracted toward the bending links L, L, while the upper links 6, 6 are provided when the bending links L, L are in the folding position. Lock holes 10 and 10 are formed so that the lock pins 9 and 9 can be inserted and removed freely.

The fork hangers 3 and 3 are formed of hollow square cylinders, and when they are extended substantially horizontally, the tips of the forks F of a forklift vehicle Vf, which will be described later, can be inserted and removed freely. Is opened.

Next, referring to FIGS. 4 to 7, the structure of a forklift vehicle Vf that can be loaded into the luggage box B of the van-type vehicle Vb will be described. FIG. 4 is a side view of the entire vehicle, and FIG. 4 is a rear view of the vehicle taken along the line 5 in FIG. 4, FIG. 6 is a side view of an enlarged longitudinal section of an essential part of the vehicle, and FIG. 7 is an exploded perspective view of an essential part of the vehicle.

The forklift vehicle Vf includes a carriage T, a fork F that is moved up and down on the carriage T, and a double-acting cylinder C that drives the fork F to move up and down.

The dolly T comprises a pair of outer masts 12, 12 which are integrally erected at the rear left and right corners of a dolly frame 11 having a U-shape in a plan view. The outer masts 12, 12 are transversely sectioned. It is formed in a U-shape, and the upper and lower portions thereof are integrally connected by the upper horizontal rod 13 and the lower horizontal rod 14 to form a frame shape. A power unit Up is supported between the rear surfaces of the pair of outer masts 12, 12, and the power unit Up functions as a reinforcing member for the outer masts 12, 12. Steerable front wheels 15 and 15 of small diameter are mounted on the left and right front ends of the bogie frame 11, respectively, and a pair of rear wheels 16 and 16 are mounted on the left and right lower surfaces of the power unit Up. Is rotated by a power unit Up. The power unit Up is a conventionally known one, and has a built-in drive source such as an electric motor and an engine, a hydraulic motor driven by the drive source, a speed reducer, a switching valve mechanism, and the like.

A pair of inner masts 17 and 17 are slidably fitted in the pair of outer masts 12 and 12, respectively, and these inner masts 17 and 17 are also formed in a U-shaped cross section. The upper and lower cross girders 18 and 19 and the supporting rod 20 are integrally connected to form a frame.

The fork F is fitted in the inner masts 17 and 17 so as to be movable up and down. As shown in FIG. 6, the fork F is provided with a pair of fork pawls 21 and 21 which are located outside the truck T and extend in a substantially horizontal direction. The fork pawls 21 and 21 have a rear end rising portion which is a connecting frame. 22 is integrally connected.

As clearly shown in FIG. 6, a pair of sliders 23 and 23 are integrally fixed to the left and right sides of the rear surface of the connecting frame 22, and these sliders 23 and 23 are vertically attached to the inner masts 17 and 17, respectively. Is slidably fitted to. A sliding member (not shown) such as a roller is interposed between the inner masts 17 and 17 and the sliders 23 and 23 so that the fork F can smoothly move up and down along the inner masts 17 and 17. It has become.

One end of an ascending chain 25 is connected 28 to the center of the left and right of the upper horizontal rod 13 that connects the outer masts 12, 12, and this chain 25 is mounted on the support rod 20 for the inner masts 17, 17, and the expansion cylinder. A fork F is connected 29 to the center of the left and right of the connecting frame 22 via an upper sprocket 27 pivotally supported at the tip of the piston rod of C. Further, one end of a pair of descending chains 26, 26 is connected to the upper horizontal rod 13 on both sides of the ascending chain 25, respectively, and these chains 26, 26 are connected to the inner masts 17, 17. Via lower sprocket wheels 30 and 30 pivotally supported by the lower transverse girder 19, they are connected to the connecting frame 22 of the fork F by 32 and 32, respectively.

In the normal traveling posture of the forklift vehicle Vf, the double-acting telescopic cylinder C is in the contracted state and the fork F is in the lowest position as shown in FIG. Further, according to the extension operation of the cylinder C, the fork F is lifted up through the lift chain 25. Further, by the contraction operation of the telescopic cylinder C, the fork F can be forcibly driven to descend through the descending chain 26. Since the fork F is forcibly driven downward without depending on its own weight, its operation can be performed smoothly, quickly and stably.

Next, with reference to FIGS. 8 to 11, a process of mounting the forklift vehicle Vf itself on the luggage box B of the van type vehicle Vb by the expansion and contraction operation of the expansion cylinder C will be described.

FIG. 8 shows a state in which the fork F of the forklift vehicle Vf in the running posture is inserted into the fork hangers 3 of the van type vehicle Vb, and FIG. 9 is a plan view taken along the line 9 of FIG. 10 and 11 show a state in which the forklift vehicle Vf is lifted, and FIG. 11 is a plan view showing a state in which the forklift vehicle Vf is carried into the luggage box B of the van type vehicle Vb.

As shown in FIGS. 8 and 9, the double doors 2 and 2 of the van type vehicle Vb are opened, and the fork hangers 3 and 3 stored in one of the opening and closing doors 2 are locked to the lock members 8. By pulling out 8, pull out manually. As a result, the fork hangers 3 and 3 are projected substantially horizontally.

Next, the forklift vehicle Vf is run to the vicinity of the doorway 1 of the van-type vehicle Vb, and then the fork F is lifted to a position corresponding to the fork hangers 3 and 3 by the extension operation of the cylinder C as described above. Further, the forklift vehicle Vf is further driven to insert the pair of fork pawls 21 and 21 into the pair of fork hangers 3 and 3, respectively.

Next, when the cylinder C is contracted, the fork F is inserted into and fixed to the fork hangers 3 and 3, so that the forklift vehicle Vf itself is more than the bed of the cargo box B as shown in FIG. The forklift vehicle Vf is lifted to a high position, and is supported in a cantilever manner by the one opening / closing door 2 via a pair of fork hangers 3 and 3. Here, by rotating the opening / closing door 2 in the closing direction as shown by an arrow a in FIG. 11, the forklift vehicle Vf supported by the opening / closing door 2 can be carried into the luggage box B.

When the forklift vehicle Vf in the cargo box B is carried out from the cargo box B and placed on the ground, the opening / closing door 2 is opened and then the double-acting cylinder C is extended to operate the forklift vehicle. Vf is lowered while the fork claws 21 and 21 are supported by the fork hangers 3 and 3, and is grounded to the ground. The state returns to the state shown in FIGS. 8 and 9, and the fork F is moved to move the fork F to the fork hangers 3 and 3. If the cylinder C is contracted after being further removed, the forklift vehicle Vf returns to the running posture.

The fork hangers 3 and 3 from which the fork F has been removed can be folded in the retracted position by rotating the fork hangers 3 and 3 upward. Here, if the lock pins 9, 9 of the lock members 8, 8 are fitted into the lock holes 10, 10 of the folded bending link L, the fork hangers 3, 3 are held in the retracted position.

Although one embodiment of the present invention has been described above, the present invention is not limited to this embodiment, and various embodiments are possible within the scope of the present invention. For example, the forklift vehicle is not limited to that of the above-mentioned embodiment, other types may be used, and the open / close door may not be the double door type, for example, one open / close door may be installed around the vertical axis. It may be one that can be opened and closed.

[0028]

[Effect of device]

 As described above, according to the present invention, in a van-type vehicle in which an opening / closing door that can be opened / closed is provided at the entrance / exit of a box-type cargo box, the forklift vehicle can be driven up and down on the inner surface of the opening / closing door. Since the fork hanger that can hold the fork inserted and removed freely is installed so that it can be extended and stored, you can carry it in and out of the luggage box of a forklift vehicle by opening and closing the normal door. Can be carried out, the labor can be reduced, and the work efficiency can be greatly improved. In addition, there is no need to attach a carry-in device separately, and the structure can be simple and can be provided at low cost.

When the fork hanger is not used, it can be stored inside the opening / closing door, and the storage volume of the luggage box is not reduced.

[Brief description of drawings]

FIG. 1 is a side view of a van-type vehicle with an opening / closing door opened.

FIG. 2 is an enlarged view of a part of FIG.

FIG. 3 is a view taken along line 3 of FIG.

FIG. 4 is a side view of a forklift vehicle.

5 is a rear view of the forklift vehicle taken along the line 5 of FIG.

FIG. 6 is a side view of an enlarged vertical section of a main part of a forklift vehicle.

FIG. 7 is an exploded perspective view of a main part of a forklift vehicle.

FIG. 8 is a diagram showing a state in which a fork of a forklift vehicle in a running posture is loaded in a fork hanger of a van type vehicle.

9 is a plan view taken along line 9 of FIG.

FIG. 10 is a view showing a state in which a forklift vehicle is lifted up.

FIG. 11 is a diagram showing a state in which a forklift vehicle is loaded into a luggage box.

[Explanation of symbols]

 1 ... Doorway 2 ... Opening / closing door 3 ... Fork hanger B ... Packing box F ... Fork Vf ... Forklift vehicle

Claims (1)

[Scope of utility model registration request] 1. A van type vehicle comprising an opening / closing door (2) which can be opened / closed at a side of an entrance / exit (1) of a box-shaped packing box (B). A fork hanger (3, 3) capable of inserting and holding a fork (F) capable of being lifted and lowered in a forklift vehicle (Vf) can be extended and stored so as to be retractable. Forklift vehicle onboard device for van type vehicle.