JPH0539000Y2 - - Google Patents

Description

[Detailed explanation of the idea] (Industrial application field) The present invention relates to a container handling vehicle.

(Prior Art) Conventionally, in a container cargo handling vehicle, one end of a dump arm is pivotably supported at the rear end of the vehicle chassis, and one end of an L-shaped cargo handling arm is pivoted near the tip of the dump arm. At the same time, a hook member is provided at the other vertically extending end of the cargo handling arm and is detachable from an engaged portion provided on the front surface of the container,
The cargo handling arm is configured to be rotatable rearward by a cylinder disposed between the cargo handling arm and the vehicle platform, and a lashing member is provided on the dump arm with a lashed portion provided at the bottom of the container. The cargo handling arm and the dump arm are provided in a removable manner, and are configured such that the cargo handling arm and the dump arm are integrated when the securing member engages with the member to be secured, and the cargo handling arm and the dump arm are integrated with each other by the expansion and contraction operation of the cylinder. By rotating the arm in the longitudinal direction, the container is loaded and unloaded between the vehicle platform and the ground, and the lashing member is engaged with the secured member of the container while the container is placed on the vehicle platform. After the cargo handling arm and dump arm were integrated, the cylinder was extended to tilt the container backward on the chassis.

In the container cargo handling vehicle configured as described above, a hook is rotatably provided at the tip of the dump arm, as seen in, for example, the vehicle described in Japanese Patent Application Laid-open No. 61-215134. An engaging portion is provided on the corresponding cargo handling arm side, the hook and the engaging arm (the lashing member in the present invention) are connected by a connecting member, and the engaging arm and the hanging piece (the lashing member in the present invention) are connected. When engaged, the hook and the engaging portion are engaged, and when the engaging arm and the hook are disengaged, the hook and the engaging portion are also disengaged. When the container is tilted backward on the chassis, the engagement arm and the hook are engaged and the hook and the engagement part are engaged, so that the hook and the engagement part are engaged. Some devices are designed to prevent the cargo handling arm and dump arm from breaking in the middle.

In addition, as seen in the one described in JP-A No. 62-34829, a hook is rotatably provided on the dump arm, and an engaging portion is provided on the chassis side corresponding to this hook, so that the hook and the engaging arm (the lashing member in the present invention) are connected by a connecting member, and when the engaging arm and the hanging piece (the lashing member in the present invention) are engaged, the engagement between the hook and the engaging portion is released. In addition, by configuring the hook and the engaging part to engage when the engaging arm and the hanging piece are disengaged, the container can be loaded and unloaded between the vehicle platform and the ground. There is a device that prevents the dump arm from lifting up by engaging the hook and the engaging portion to stably hold the dump arm on the vehicle chassis side.

(Problem to be solved by the invention) However, in conventional container handling vehicles, as mentioned above, either the prevention of bending of the container during dumping or the lifting of the dump arm during loading and unloading of the container is required. There is a need for a container handling vehicle that can achieve both of the following: prevention of containers from bending during dumping, and prevention of lifting of dump arms during container loading/unloading, with a simple configuration.

(Means for Solving the Problems) In the container cargo handling vehicle of the present invention, the base end of a dump arm is pivotably supported at the rear end of the vehicle chassis, and an L-shaped cargo handling arm is provided near the tip of the dump arm. One end is pivotally supported, and the other vertically extending end of the cargo handling arm is provided with a hook member that can be freely engaged with and detached from an engaged portion provided on the front surface of the container. The cargo handling arm is configured to be freely rotatable rearward by a cylinder disposed between the dump arm and the dump arm, and a lashing member is provided on the dump arm so that it can be engaged with and detached from a lashed portion provided at the bottom of the container. In a cargo handling vehicle configured such that a cargo handling arm and a dump arm are integrated by engaging the lashing member with a member to be lashed, a front portion of the dump arm is provided with a material provided on the cargo handling arm. An engagement member configured to be able to engage and disengage from a first engagement portion provided on the vehicle chassis, and configured to be able to engage and disengage from a second engagement portion provided on the vehicle chassis; Between the lashing member and the lashing member, when the lashing member engages with the lashed portion, the engaging member engages with the first locking portion of the cargo handling arm to integrate the cargo handling arm and the dump arm. , a connecting rod is connected to the engaging member and the securing member so that the engaging member engages with the second securing portion of the vehicle chassis when the securing member is separated from the secured portion; An actuating means for engaging and disengaging the mating member and the securing member is provided.

Further, in the container cargo handling vehicle of the present invention, one end of the dump arm is pivotably supported at the rear end of the vehicle chassis, and one end of the L-shaped cargo handling arm is pivoted near the tip of the dump arm. , a hook member is provided at the other vertically extending end of the cargo handling arm and is detachable from an engaged portion provided on the front surface of the container, and is disposed between the cargo handling arm and the vehicle platform. The cargo handling arm is configured to be rotatable rearward by a cylinder, and a lashing member is provided on the dump arm so as to be removable from a lashed portion provided at the bottom of the container, and the lashing member In a cargo handling vehicle configured such that a cargo handling arm and a dump arm are integrated by engaging with a lashing member, the cargo handling arm includes a material that engages with the dump arm to integrate the dump arm and the cargo handling arm. An engaging hook is removably provided on the dump arm, and the engaging hook is biased in the engaging direction by a biasing member. A swinging member is swingably provided that is released and has an engaging portion that engages with an engaged portion provided on the chassis when released;
Further, between the swinging member and the lashing member, when the lashing member engages with the lashed portion, the swinging member allows the engaging hook to engage with the dump arm, and is secured. When the binding member separates from the secured portion, the engaging hook and the dump arm are disengaged, and the swinging member is swung so that the engaged portion of the vehicle chassis and the engaging portion are engaged. A connecting rod is connected thereto, and actuating means for actuating the swinging member and the securing member is provided.

(Function) When the lashing member engages with the lashed part, the engaging member is engaged with the first locking part of the cargo handling arm to integrate the cargo handling arm and the dump arm, thereby securing the container to the vehicle platform. This prevents the cargo handling arm and the dump arm from bending in the middle when tilting backward at the top, and when the lashing member separates from the secured part, the engaging member engages with the second locking part of the vehicle chassis. As a result, when a container is loaded or unloaded between the vehicle platform and the ground, the dump arm is stably held on the vehicle platform side by the engagement between the hook and the engaging portion, and the dump arm is prevented from floating up.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.

First, a container cargo handling vehicle according to claim 1 will be explained.

1 and 2 show a container handling vehicle.

A base end portion of a dump arm 2 is pivotally supported at the rear end of the vehicle chassis 1 by a pivot shaft 3, and the dump arm 2 is configured to be tiltable rearward about the pivot shaft 3.
The dump arm 2 consists of two arm members 2a, 2a arranged in parallel, and these arm members 2
A, 2a are integrally constructed by a construction member 5 installed near the base end.

An L-shaped cargo handling arm 10 is rotatably supported near the tip of the dump arm 2. The cargo handling arm 10 has a base end (one end) 1
1 is pivotally supported on the dump arm 2 by a pivot 12,
A hook portion 14 is provided at the vertically extending tip (other end).

The hook member 14 can be freely engaged with and detached from an engaged portion C1 provided on the front surface of the container C, and by engaging this hook member 14 with the engaged portion C1, loading and unloading of the container C is possible. become.

Further, a hydraulic cylinder 15 is provided between the cargo handling arm 10 and the vehicle platform 1.
5 rotates the cargo handling arm 10, and the engagement member 20 and the dump arm 2, which will be described later, are rotated.
cargo handling arm 1 maintained integrally by engagement with
0 and the dump arm 2 can be tilted rearward about the pivot 3.

On the other hand, each arm member 2a, 2 of the dump arm 2
An engaging member 20 is provided at the tip of a.
The engaging member 20 is formed in a letter 3 shape with an upper hook portion 21 and a lower hook portion 22 formed at the upper and lower portions, and the intermediate portion 23 is rotated by a pin 25 to the tip of each arm member 2a, 2a. It is pivoted for free movement.

This engaging member 20 has an upper hook portion 21 which is a locking piece (a first
The lower hook part 22 can be freely engaged with and detached from the locking pin (second locking part) 26 provided on the chassis 1, and the lower hook part 22 can be freely engaged with and detached from the locking pin (second locking part) 26 provided on the chassis 1. By rotating, either the upper hook part 21 or the lower hook part 22 locks the locking piece 1.
6 or locking pin 26.

Further, a pin 2 is provided in the intermediate portion 23 of the engaging member 20.
A fitting pin 27 is provided above 5.

In addition, each arm member 2a, 2 of the dump arm 2
A lashing member 30 is provided near the base end of the arm member 30 so as to be slidable on the arm members 2a, 2a. A lashing part that engages with a lashing part C2 provided at the bottom of the container C is formed on the upper part of the lashing member 30.

The securing member 30 provided on each arm member 2a and the engaging member 20 are connected by a connecting rod 31. The connecting rod 31 has one end fixed to the lashing member 30, and the fitting pin 2 of the engaging member 20 inserted into the elongated hole 32 formed at the other end.
7 is slidably inserted.

Further, the lashing members 30, 30 are connected by a connecting member 33, and a cylinder (operating means) provided between the connecting member 33 and the construction member 5.
35, these securing members 30, 30 are configured to be movable in the front and rear directions.

By rotating the engaging member 20 around the pin 25 by the movement of the lashing member 30, the upper hook portion 21 or the lower hook portion 22 of the engaging member 20 is connected to the cargo handling arm 10 or the vehicle platform 1 side. engage. That is, when dumping, by retracting the cylinder 35 and moving the lashing member 30 backward, the engaging member 20 is rotated clockwise in FIG. The hook part 21 and the locking piece 16 of the cargo handling arm 10 are engaged, and at the time of loading and unloading, the cylinder 35 is extended and the lashing member 30 is moved forward, so that the engaging member 20 is centered around the pin 25. 2 in the counterclockwise direction to engage the lower hook portion 22 of the engaging member 20 and the locking pin 26.

Reference numeral 4 in FIGS. 1 and 2 is a guide roller rotatably supported at the rear end of the dump arm 2. As shown in FIG.

Next, the operation of the container cargo handling vehicle configured as above will be explained.

First, the case of loading container C will be explained.

The cargo handling arm 10 is operated by the hydraulic cylinder 15 to the state shown by the dashed line in FIG. 2, and the hook member 14 of the cargo handling arm 10 is engaged with the engaged portion C1 of the container C. Container C is mounted on the vehicle by rotating it to the upright position shown by the solid line in Figure 2. At this time, since the cylinder 35 of the engaging member 20 is extended and the lashing member 30 is moved to the front position, the lower hook portion 22 is engaged with the locking pin 26, and the lower hook portion 22 of the engaging member 20 is engaged with the locking pin 26. This prevents arm 2 from lifting up. The same process is also carried out when unloading containers.

Furthermore, when dumping the container C loaded on a vehicle, when the container C is loaded on the chassis as described above, the cylinder 35 is retracted and the lashing member 30 is retreated to the rear position, and the lashing member 30 is moved back to the rear position. The member 30 and the secured portion C2 of the container C are engaged. As a result, the engaging member 20 rotates clockwise in FIG. 1 about the pin 25, and the lower hook portion 2
2 and the locking pin 26 are released, and the upper hook portion 21 and the locking piece 16 are engaged with each other.
Due to the engagement between the upper hook portion 21 and the locking piece 16, the horizontal portion of the cargo handling arm 10 and the dump arm 2 are integrally maintained in a state in which they are arranged in a straight line. When the hydraulic cylinder 15 is extended in this state, the cargo handling arm 10 and the dump arm 2 maintain this state, that is, prevent them from being bent, and rotate rearward about the pivot 3, thereby moving the container C can be safely dumped.

3 and 4 show other embodiments of the container cargo handling vehicle according to claim 1. Incidentally, the same members as in the above embodiment are given the same reference numerals, and the explanation thereof will be omitted here.

An engaging member 51 is connected to the lashing member 30 via a connecting rod 50 extending forward along the arm member 2a, and the engaging member 51 is moved together with the lashing member 30 by the expansion and contraction of the cylinder 35. It can be moved freely back and forth.

This engaging member 51 shields the notch 54 on the upper part of the arm member 2a when the securing member 30 is in the rear position shown in solid lines in FIG. By being located above the piece 52, the two engage with each other, thereby inhibiting rotation of the cargo handling arm 10.

Further, when the lashing member 30 moves to the front position, the engaging member 51 similarly moves forward and is configured to engage with a locking pin 53 provided on the chassis 1.

When the engaging member 51 and the locking pin 53 are engaged, the notch 54 is opened and the engaging member 51 is disengaged from the locking piece 52, allowing the cargo handling arm 10 to rotate. It becomes a state.

Therefore, when loading and unloading the container C, by extending the cylinder 35 and moving the lashing member 30 to the front position, the engaging member 51 and the locking pin 53 are engaged, and the dump arm 2 is secured to the vehicle chassis 1. At the same time, the cargo handling arm 10 is made free. Then, by expanding and contracting the hydraulic cylinder 15 in this state, the locking piece 52 passes through the notch 54, and the cargo handling arm 10 rotates in the front-rear direction to load and unload the container. At this time, since the engaging member 51 engages with the locking pin 53 to fix the dump arm 2 to the vehicle chassis 1, lifting of the dump arm 2 due to rotation of the cargo handling arm 10 can be prevented. .

In addition, in the case of dumping the container C, when the container C is mounted on the chassis 1 as described above, the cylinder 35 is retracted and the lashing member 30 is
is retreated to the rear position, and the lashing member 30 and the lashed portion C2 of the container C are engaged. As a result, the engaging member 51 connected to the lashing member 30 also retreats, and the engaging member 51 and the locking piece 52 engage with each other. Due to this engagement, the horizontal portion of the cargo handling arm 10 and the dump arm 2 are integrally maintained in a state in which they are arranged in a straight line. Then, when the hydraulic cylinder 15 is extended, the cargo handling arm 10 and the dump arm 2 maintain this state and rotate rearward about the pivot 3, allowing the container C to be safely dumped.

Next, an embodiment of the container cargo handling vehicle according to claim 2 will be described.

5 and 6 show a container handling vehicle.

A base end portion of a dump arm 62 is pivotally supported at the rear end of the vehicle chassis 61 by a pivot shaft 63, and the dump arm 62 is configured to be tiltable rearward about the pivot shaft 63. The dump arm 62 consists of two arm members 62a, 62a arranged in parallel, and is integrally constructed by a construction member 65 installed approximately in the middle of these arm members 62a, 62a.

An L-shaped cargo handling arm 66 is rotatably supported near the tip of the dump arm 62. The cargo handling arm 66 has a base end (one end)
67 is pivotally supported by the dump arm 62 by a pivot 68, and a hook member 71 is provided at the vertically extending tip (other end).

The hook member 71 can be freely engaged with and detached from an engaged part C1 provided on the front surface of the container C, and by engaging this hook member 71 with the engaged part C1, loading and unloading of the container C is possible. become.

Further, a hydraulic cylinder 72 is provided between the cargo handling arm 66 and the chassis 61, and the extension and contraction of this hydraulic cylinder 72 rotates the cargo handling arm 66, and the engagement between an engagement hook 75 and the dump arm 62, which will be described later, is The cargo handling arm 66 and the dump arm 62, which are maintained integrally by mating, can be tilted rearward about the pivot shaft 63.

On the other hand, an engagement hook 75 is provided at the base end of the cargo handling arm 66 such that it can be freely engaged with and disengaged from the lower end of the dump arm 62. is always energized.

In addition, each arm member 62 of the dump arm 62
A lashing member 80 is rotatably supported near the proximal end of each of a and 62a. The upper part of the lashing member 80 is
A lashing portion that engages with a lashing portion C2 provided at the bottom of the container C is formed.

Further, a swinging member 81 is provided at the tip of each arm member 62a, 62a so as to be swingable by a pin 81a. At the lower end of this swinging member 81,
A pressing portion 81b that presses the engaging hook 75 in the release direction is formed, and an engaging pin (engaging portion) 81c that engages with a stopper (engaged portion) 64 provided on the chassis 1 is provided. ing.

Each arm member 62 of the dump arm 62
The securing member 80 and the swinging member 81 provided in a
are connected to each other by a connecting rod 82, and as the securing member 80 rotates, the swinging member 81 moves to the pin 81.
It is configured to swing back and forth around a.

The lashing members 80, 80 are connected by a connecting member 83, and a lashing cylinder (operating means) provided between the connecting member 83 and the construction member 65.
85 so that it can swing in the front and rear directions. By swinging the securing member 80 in this manner, the swinging member 81 is caused to swing, thereby engaging and disengaging the engagement hook 75 and the dump arm 62.

That is, when dumping the container C, the lashing member 80 is placed in the upright position and the swinging member 81 is positioned at the rear as shown by the solid line in FIG. The swinging member 81 is caused to swing forward by lying forward, and the engagement hook 75 is disengaged from the dump arm 62.

Reference numeral 64 in FIGS. 5 and 6 is a guide roller rotatably supported at the rear end of the dump arm 62. As shown in FIG.

Next, the operation of the container cargo handling vehicle configured as described above will be explained.

First, the case of loading container C will be explained.

The cargo handling arm 66 is operated by the hydraulic cylinder 72 to the position shown by the dashed line in FIG. 6, and the hook member 71 of the cargo handling arm 66 is engaged with the engaged portion C1 of the container C. By rotating the container C to the upright position shown by the solid line in FIG. 6 (see FIG. 8), the container C is mounted on the vehicle (see FIG. 7).

Thereafter, the lashing cylinder 85 is extended to make the lashing member 80 stand up, and the lashing member 80 is engaged with the lashing portion C2 of the loaded container C. As a result, the swinging member 81 swings backward, and the engagement hook 75
By engaging with the dump arm 62, the cargo handling arm 66 and the dump arm 62 are integrally maintained in a straight line arrangement (see FIG. 9). and,
When the hydraulic cylinder 72 is extended in this state, the cargo handling arm 66 and the dump arm 62 are prevented from bending in the middle by the engaging hook 75 and rotate rearward about the pivot shaft 63, and the container C is safely dumped. (See Figure 10).

In addition, when unloading the container C from a loaded state as shown in FIG. 81 swings forward and presses the engagement hook 75 in the releasing direction. As a result, the engaging hook 75 disengages from the dump arm 62 and the cargo handling arm 62 becomes free, and the locking pin 81c of the swinging member 81 engages with the stopper 64 to move the dump arm 62 onto the vehicle chassis 61. Fix it (see Figure 7).

Then, by extending the hydraulic cylinder 72, the cargo handling arm 66 rotates about the pivot 68 to load and unload the container C (see FIG. 8). At this time,
Since the locking pin 81c of the swinging member 81 and the stopper 64 are engaged, the dump arm 62 prevents the dump arm 62 from floating up due to the rotation of the cargo handling arm 66, and safely loads and unloads the container.

(Effects of the invention) As described above, according to the invention, it is possible to achieve both the prevention of containers from bending during dumping and the prevention of lifting of dump arms during container loading and unloading with a simple structure. Therefore, it is possible to provide a highly safe container handling vehicle.

[Brief explanation of the drawing]

FIG. 1 is a plan view showing a schematic configuration of a container cargo handling vehicle according to the present invention, FIG. 2 is a side view of the same, FIG. 3 is a plan view showing a schematic configuration of a container cargo handling vehicle according to the present invention, and FIG. 5 is a plan view showing a schematic configuration of the container cargo handling vehicle according to the present invention, FIG. 6 is a side view of the same, and FIGS. 7 to 10 are side views illustrating the operation of the container cargo handling vehicle. be. 1,61...Car chassis, 2,62...Dump arm, 10,66...Cargo handling arm, 30,80...
Lashing member, 20, 51... Engaging member, 75... Engaging hook, 81... Swinging member, C... Container,
C2... lashed part.

Claims (1)

[Claims for Utility Model Registration] 1) The base end of a dump arm is pivotably supported at the rear end of the vehicle chassis, and one end of an L-shaped cargo handling arm is pivoted near the tip of the dump arm. In addition, a hook member is provided at the other vertically extending end of the cargo handling arm and is detachable from an engaged portion provided on the front surface of the container, and is disposed between the cargo handling arm and the vehicle platform. The cargo handling arm is configured to be rotatable rearward by the cylinder, and a lashing member is provided on the dump arm so that it can be engaged with and detached from a lashed portion provided at the bottom of the container, and the lashing member is In a cargo handling vehicle configured such that a cargo handling arm and a dump arm are integrated by engaging with a member to be secured, a first locking portion provided on the cargo handling arm and a first locking portion provided on the cargo handling arm are provided at the front part of the dump arm. An engaging member configured to be freely engageable and detachable and configured to be able to engage and detach from a second locking portion provided on the vehicle chassis is provided, and further between the engaging member and the lashing member. When the lashing member engages with the lashed part, the engaging member engages with the first locking part of the cargo handling arm to unite the cargo arm and the dump arm, and the lashing member engages with the first latching part of the cargo handling arm, and the lashing member A connecting rod is connected to the engaging member and the securing member so that the engaging member engages with the second securing member of the vehicle chassis when the vehicle is separated from the securing member, and the engaging member and the securing member are connected to each other. A container cargo handling vehicle characterized by being provided with an actuating means for engaging and disengaging the container. 2) One end of a dump arm is pivotably supported at the rear end of the vehicle chassis, one end of an L-shaped cargo handling arm is pivoted near the tip of the dump arm, and one end of the cargo handling arm extends vertically. A hook member is provided at the other end of the container that can be freely engaged with and detached from an engaged part provided on the front surface of the container, and a cylinder provided between the cargo handling arm and the vehicle platform allows the cargo handling arm to move rearward. The dump arm is configured to be rotatable, and a lashing member is provided on the dump arm so as to be removable from a lashing member provided at the bottom of the container, and the lashing member engages with the lashing member. In a cargo handling vehicle configured such that a cargo handling arm and a dump arm are integrated, the cargo handling arm has an engaging hook that engages with the dump arm and integrates the dump arm and the cargo handling arm. The engagement hook is freely provided, and is biased in the engagement direction by a biasing member, while the dump arm is configured to release the engagement between the engagement hook and the dump arm, and to release the engagement hook when the dump arm is released. A swinging member having an engaging portion that engages with an engaged portion provided on the vehicle chassis is swingably provided, and further, a lashing member is provided between the swinging member and the lashing member. When engaged with the lashed part, the swinging member allows the engaging hook to engage with the dump arm, and when the lashing member leaves the lashed part, the swinging member allows the engagement between the engaging hook and the dump arm. A connecting rod is connected that swings the swinging member so that the engaged part of the vehicle chassis and the engaged part engage with each other, and actuates the swinging member and the securing member. A container cargo handling vehicle characterized by being provided with actuation means.