JPH0729113Y2 - Forklift that can work with conveyor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a forklift for carrying cargo.

[Conventional technology]

Conventionally, a small forklift was generally used for loading and loading cargo into a container, but it is difficult to change the direction in the container, it takes time to load, and one cargo is loaded. It was necessary to make a round trip to the outside of the container each time, which was inefficient.

Moreover, even if it was carried into the container by a conveyor or the like, the last loading had to rely on human power, and the conveyor and forklift could not be used together, and the efficiency was still poor.

[Problems to be solved by the device]

1) In the conventional forklift, the cargo supporting claws move only in the vertical direction, and it is necessary to move the forklift by repeating the direction change of the entire forklift in order to adjust the lateral stacking position.

2) There was no space for the forklift to turn inside the container, and when loading one cargo and loading the next cargo, it was necessary to return to the outside of the container.

3) A conveyor that can be continuously transported is optimal for transporting cargo to the loading position in the container, but it is difficult to use the forklift and the conveyor together because the inside of the container is small. I had to rely on.

From the above, the conventional method has extremely poor work efficiency.

[Means for Solving the Problems]

1) In the conventional forklift, the claws have to be moved along the frame in the up-down direction and the entire vehicle body has to be turned along with the drive wheels in the left-right direction, so the claws are moved up and down via rollers on the outer frame. By supporting the frame, and further supporting the horizontal movement frame via rollers on this vertical movement frame, connecting each to the drive source, and making it steerable from the driver's seat, without changing the direction of the vehicle body Move the claw up, down, left and right.

2) In the conventional forklift, the width of the frame for supporting the claw was narrow, but it was widened together with the vertical movement frame to make it a gate type, and the width of the vehicle body was widened by pushing the driver's seat to one side, and the machine room was made higher. It will be a gate-shaped structure.

[Action]

The vertical movement frame is supported by the outer frame via rollers, and is moved by a drive source in a range from the bottom to the ceiling in the container. Further, the horizontal moving frame is supported by rollers on the vertical moving frame via rollers, and the driving source also mounted on the vertical moving frame moves the space substantially within the container between the walls.
The left-right moving frame is provided with a pawl for supporting a cargo, that is, the pawl is arbitrarily moved over substantially the entire container cross section by the above action.

The outer frame has a gate-shaped structure with the full width of the inside of the container, and by lifting the vertical moving frame to the upper limit, a space can be secured at the bottom for the cargo loaded on the conveyor to pass through.
Further, since the driver's seat is arranged on one side and the machine parts such as the engine are concentrated on the upper side and the car body has a gate type structure, a space through which the cargo carried on the conveyor can pass is secured in the lower part. By the operation from the driver's seat, the cargo supported by the claw is loaded at an arbitrary position within the cross section of the container.
The forklift passes over the next cargo carried in by the conveyor while moving backward, and after passing completely, the pawl is lowered to support the cargo on the conveyor by the pawl, move forward, and load it at an arbitrary position.

〔Example〕

An embodiment of the present invention applied to a forklift used for cargo handling in a container will be described below with reference to FIGS. 1 to 9.

As shown in FIGS. 1 and 2, the present forklift includes a vehicle body part 1, rear wheels and front wheels 3, and a cargo support part 4.
Made of.

First, the body part 1 will be described. The driver's seat 1-1 is equipped with a steering wheel equipped with a normal forklift, a gear lever for moving forward and backward, a lever for operating a cargo support, and other necessary instruments. Drive unit 1
-2 is divided into left and right as shown in FIG. 4, and internally houses a power unit for driving the drive source of the cargo support section, and engine section 1-3 is an engine for driving rear wheels,
It is equipped with a reducer, a generator, etc. similar to a normal forklift. Further, as shown in FIG. 4, the drive unit 1-2 and the engine unit 1-3 are shaped so that a cargo of about 1.0M square mounted on a conveyor can easily pass under the legs thereof. . The rear wheel 2 obtains a driving force from the engine section 1-3, and moves forward and backward and changes direction by being steered from the driver's seat 1-1. The front wheels 3 move following the drive wheels 2 as in a normal forklift. Guide roller 1-
4 prevents the body part 1 from contacting the container wall.

Next, the cargo support section 4 will be described.

The cargo support section 4 is the same as the normal forklift truck, and the vehicle body section 1
Is supported by a pin 5 and a driving source 6 via an outer frame 4-1. As shown in FIGS. 5 to 9, the outer frame 4-
1 is reinforced by a reinforcing member 4-20, and a vertical moving frame 4
-2 via a roller 4-3, and its drive source 4-
4, a pulley 4-6 for transmitting the driving force of the drive source 4-4 via the chain 4-5, and an eye plate 4-7 for stopping the chain 4-5. Like a normal forklift, the drive source 4-4 is a moving pulley 4-on the tip of the rod.
8 is equipped, and when the rod expands and contracts and the movable pulley 4-8 moves, the vertical movement frame 4-2 is moved up and down via the chain 4-7. The vertical moving frame 4-2 further includes a horizontal moving frame 4-14 having a cargo supporting pawl 4-19 and a horizontal roller 4-15 for carrying a horizontal load and a vertical roller 4-16 for carrying a vertical load. This is one of the features of the present invention. Vertical movement frame 4-2
Is also equipped with a drive source 4-9, a pulley guide 4-10, a double pulley 4-11 and a pulley 4-12. Drive source 4-
Two sets of double slide pulleys 4-13 are equipped at the tip of the rod of No. 9, and are connected to the double slide pulley 4-11 by a wire rope 4-18, and driven by a conventionally known method. Source 4-
It is possible to obtain a movement amount of the wire rope that is four times the stroke of the rod of No. 9. The guide 4-10 guides the movement of the double slide pulley 4-13, and the drive source 4-9.
Conventionally, it has been used as a method that does not generate a bending load on the rod. Wire rope 4-18 is eye plate 4
It is fixed to the left and right moving frame 4-14 by -17 and can be moved left and right by the drive source.

When the left and right moving frame 4-14 supports the cargo by the cargo supporting claw 4-19, it receives a downward load and a rotational moment corresponding to the length of the arm of the supporting claw.

The vertical roller 4-16 receives the downward load, and the horizontal roller 4-15 receives the same rotational moment, so that the vertical moving frame 4-2 is moved.
Support slidably on top.

In Figures 8 and 9, W _{1 is} the weight of the cargo + the weight of the horizontal moving frame F: The load acting on the horizontal rollers due to the weight of the cargo.

Next, the overall operation will be described with reference to FIG.

The cargo 9 mounted on the conveyor 8 and moved into the container 7 moves to the position 9A. At this time, the cargo passes under the engine unit 1-3 and tries to pass under the vertical moving frame 4-2 that has been lifted to the upper limit. The forklift moves backward until the cargo support pawls 4-19 are sufficiently rearward of the cargo 9A, then lowers the vertical movement frame 4-2 and adjusts the positions of the left and right movement frames 4-14 to support the cargo. Claws 4-19 to cargo 9A
Position it underneath and move forward to pick up cargo 9A. After that, carry it to the appropriate position 9B on the already loaded cargo 9C and load it. The conveyor 8 is gradually retracted as the stacking progresses. In this way, the cargo carried in by the conveyor can be stacked by the cargo supporting claws that move vertically and horizontally after advancing. Cargo loading is performed in the reverse order of the above.

[Effect of device]

The forklift which can cooperate with the conveyor according to the present invention,
A gate type vehicle body that can run across the conveyor in parallel with the conveyor, an outer frame provided on the front surface of the vehicle body so as to straddle the conveyor, a vertical movement frame equipped on the outer frame, and a vertical movement frame. An engine for driving the gate-type vehicle body and a driver's seat, which has a left-right moving frame and a fork protruding from the front of the left-right moving frame, travels on the conveyor to transport the cargo. The following effects are brought about by being arranged in a position that does not hinder.

(1) The vehicle body has a gate shape, and by raising the vertical movement frame, it is possible to reach the most convenient position for passing the cargo and supporting the cargo without changing the direction.

(2) Since the forklift can pass over the conveyor and the cargo loaded on it, it is possible to work together with the conveyor in the container.

(3) Since it is possible to collaborate with the conveyor, it is not necessary to return to the outside of the container to find the next cargo every time one cargo is loaded, unlike the conventional forklift work, and work efficiency is remarkably high. Be improved.

(4) The cargo support claw can be moved up, down, left, and right by operating from the driver's cab, so there is no need to change the direction of the vehicle body due to changes in the loading position, and the vehicle body simply repeats forward and backward movements. Good.

[Brief description of drawings]

1 is a plan view of a forklift according to an embodiment of the present invention, FIG. 2 is a side view of the same, FIG. 3 is a sectional view taken along line AA of FIG. 2, and FIG. 4 is B- of FIG. B sectional view, FIG. 5 is a rear view of the cargo supporting portion, FIG. 6 is a side view of the cargo supporting portion, FIG. 7 is a sectional view taken along line CC of FIG. 5, and FIG. 8 is D portion of FIG. Detail view,
FIG. 9 is a detailed view of a portion E of FIG. 1 ... Car body part, 4 ... Cargo support part 4-1 ... Outer frame, 4-2 ... Vertical movement frame 4-3 ... Traveling roller, 4-4 ... Drive source 4-14 ... Horizontal movement Frame, 4-9 ... Drive source 4-15 ... Traveling roller, 4-19 ... Cargo support pawl

Claims (1)

[Scope of utility model registration request] 1. A gate-type vehicle body that can run across a conveyor and run in parallel with the conveyor, an outer frame that is provided on the front surface of the vehicle body and that spans the conveyor, and a vertical movement frame that is mounted on the outer frame. It has a horizontal moving frame equipped on the vertical moving frame and a fork protruding from the front of the horizontal moving frame, and an engine and a driver's seat for running the gate-shaped vehicle transfers on the conveyor. A forklift capable of cooperating with a conveyor, characterized in that the forklift is arranged at a position that does not hinder the traveling of the cargo to be transported.