JPS647898B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to improvements in self-propelled transport vehicles.

During the harvesting of forage crops, wagons or transport vehicles that are connected to a tractor or harvester to follow or accompany the harvester, and are used to receive and transport the forage crops harvested by the harvester, are equipped with an engine whose traveling device is mounted on the body. Configuring the vehicle as a self-propelled transport vehicle is effective in rationally performing the harvesting work of forage crops.

However, a self-propelled transport vehicle configured in this way,
If used only for harvesting work, the usage time would be very short and the burden on farmers would be heavy, so in order to increase the annual operating rate, there is a desire to be able to use it widely for various daily tasks. There is.

The present invention was made to meet this need.In agriculture, there is light civil engineering work such as trench digging and land leveling, and loading of fertilizer, feed, straw for livestock sheds, etc. There are various types of work that involve heavy labor such as transportation, unloading, and loading.
Vehicles that transport feed crops are equipped with a beam that is raised and lowered by a hydraulic system in order to perform a so-called high dump, in which the hopper is lifted high and turned. It was completed based on the results obtained from various studies and experiments in this regard, focusing on the fact that the various tasks described above can be performed by using this method.

And for this purpose, in the present invention,
A main beam that can be raised and lowered by a hydraulic system supported by the fuselage is supported on the top side of the fuselage, which is equipped with an engine that drives the traveling device and is capable of self-propulsion.
A hopper mounting frame is supported on the upper surface side of the main beam so that it can be rotated up and down with respect to the main beam by rotation in a direction opposite to the rotation direction of the main beam by a hydraulic device supported by the main beam. The bottom part of the hopper and the assembly part of the work equipment mounting frame are interchangeably assembled and supported on the mounting frame, and the work equipment mounting frame has a structure that hangs downward on the outside of the rotating end of the main beam. The present invention proposes a means for configuring a self-propelled transport vehicle that can be converted and used for multiple purposes by being equipped with a work equipment attachment part.

Next, embodiments will be described in detail with reference to the drawings.

In Fig. 1, 1 indicates left and right traveling devices 2, 2 formed on the crawler (one is omitted in the drawing).
E is an engine mounted on the fuselage 1, 3 is a main beam supported on the fuselage 1 so that it can be rotated up and down about the support shaft 30, and 40 is a fuselage that allows the main beam 3 to be rotated up and down. 1 and the main beam 3; a hydraulic system (hydraulic cylinder) installed between the main beam 3 and the main beam 3;
A hopper mounting frame 6 is mounted on the upper surface of the hopper mounting frame 5;
M denotes a transmission section in which the engine E drives the traveling device 2.

The main boom 3 has its pivot shaft 30 located at the front end of the fuselage 1 (the left end in the figure).
It is installed at the upper end of the support column 10 that is installed vertically,
Due to the pushing operation of the rod 40a of the hydraulic device 40 formed in the hydraulic cylinder, a first
In the figure, it rotates counterclockwise and rotates upward.
In the hydraulic device 40, a pump for supplying pressure oil thereto is driven by the above-mentioned engine E, and a control valve mechanism provided in a hydraulic circuit connected to the pump is installed on the upper surface side of the above-mentioned support column 10. The expansion and contraction operation is performed by controlling the switching by operating the operating lever 41.

The hopper mounting frame 5, which is supported on the upper surface side of the main beam 3, has a support shaft 50 provided on the lower surface side of its rear end side (the right end side in FIG. It is pivoted on the upright part 3a,
It is raised by rotating clockwise in FIG. 1 with the front end as the rotation end. The front end side of the hopper mounting frame 5 is supported by the main beam 3 by links 70 and 71 that are connected in a flexible manner, and a connecting shaft 71a provided on one link 71 of the links 70 and 71 is connected to the main beam. The links 70 and 71 are rotated up and down about the above-mentioned support shaft 50 by the rotational movement of the links 70 and 71 by the expansion and contraction operation of the hydraulic device 42, which is a hydraulic cylinder provided so as to span between the two. The hydraulic device 42 is telescopically operated by controlling the aforementioned control valve mechanism using an operating lever 43 provided on the upper surface side of the support column 10. The operating lever 43 may also be used as the aforementioned operating lever 41 by making it movable in two directions: front and back and left and right. As a result, the hopper mounting frame 5 is moved upwardly by the hydraulic device 40 while the main beam 3 is raised and rotated by the operation of the hydraulic device 40.
2, the hopper mounting frame 5 is rotated upward with respect to the main beam 3, and the hopper is raised while maintaining a horizontal attitude with respect to the aircraft 1, and the hopper is rotated downward with respect to the main beam 3. By rotating the mounting frame 5 downward, it descends while maintaining a horizontal attitude with respect to the aircraft body 1.

Further, the hopper 6 mounted on the upper surface of the hopper mounting frame 5 is detachably attached to the mounting frame 5.

Next, FIG. 2 shows a state in which a work implement mounting frame 8 is assembled and attached to the hopper mounting frame 5 of the self-propelled transport vehicle A constructed as described above so as to be compatible with the hopper 6. The work equipment mounting frame 8 includes an assembly part 80 which is joined to the upper surface of the hopper mounting frame 5 and is detachably assembled thereto, and a main beam shown in FIG. 2 from the rear end of the assembly part 80. The work equipment mounting portion 81 that hangs downward at the outer position of the rotation end of No. 3 is formed into an angular shape when viewed from the side. Connecting members 82 and 83 for connecting and installing machine B are installed. The work machine B connected and attached to the work machine mounting portion 81 is a land leveler in Fig. 2, but it is a lift as shown in Fig. 3, a footlift as shown in Fig. 4, and a bucket as shown in Fig. 5.
Further, as shown in Fig. 6, various working machines such as a forklift are interchangeably installed.

In FIG. 1, reference numeral 9 denotes a seat on which an operator sits, which is supported on the aircraft body 1 so as to be switchable between a forward facing position and a rearward facing position.

The self-propelled transport vehicle A configured as described above operates as follows.

With the hopper 6 mounted on the top surface of the hopper mounting frame 5, the hopper 6 can be maintained in a horizontal position by rotating the main beam 3 upward and rotating the hopper mounting frame 5 in synchronization with the upward rotation. and rise. From this state, the hopper mounting frame 5 is rotated upward by a large amount, and the hopper 5 is dumped and rotated rearward, releasing the grass and other items stored therein at a high position.
Therefore, when this hopper 6 is mounted, the vehicle becomes a self-propelled transport vehicle that functions as a so-called high dump vehicle.

Next, when the hopper 6 is removed from the hopper mounting frame 5 and the work equipment mounting frame 8 is assembled thereto, the work equipment mounting portion 81 of the work equipment mounting frame 8 is attached to the work equipment mounting portion 81 of the work equipment mounting frame 8 as shown in FIGS. Various types of work equipment B such as land levelers, yunbos, foot lifts, bucket lifts, and forklifts can now be installed interchangeably.

The various working machines B... that are interchangeably installed are equipped with a main beam 3 that is raised and rotated by a hydraulic system 40 installed on the fuselage 1 for the above-mentioned high dump.
and a hopper mounting frame 5 mounted on the main beam 3 so as to be raised and lowered by a hydraulic device 42 in a rotation direction opposite to the rotation direction of the main beam 3.
Predetermined work can be performed by individually and synchronously moving up and down.

As explained above, the self-propelled transport vehicle A according to the present invention can self-propel to a desired location by driving the traveling devices 2, 2 with the engine E.
Efficient transportation work can be performed, and the hopper 6 can be removed from the hopper mounting frame 5 and the work equipment mounting frame 8 can be assembled there, and the land leveler,
By attaching various work machines such as a lift, a footlift, a bucket, and a forklift interchangeably, the hopper 6 can be used to perform a high dump.
It can perform a variety of daily tasks that involve light civil engineering work and heavy labor such as transportation, loading, and unloading, so it can significantly improve the annual operating rate even though it is a self-propelled transport vehicle. .

[Brief explanation of drawings]

Fig. 1 is a side view of a self-propelled transport vehicle in which the present invention can be carried out, Fig. 2 is a side view of the work equipment mounting frame attached to the same hopper mounting frame, Figs. 3, 4, and 5. This figure and FIG. 6 are longitudinal sectional side views of each working machine that is interchangeably mounted on the working machine mounting frame of the same. Explanation of drawing symbols, A...Self-propelled transport vehicle, B...
Work equipment, 1... Airframe, 10... Support, 2... Traveling device, E... Engine, 3... Main beam, 3
a... Standing part, 30... Support shaft, 40... Hydraulic system, 40a... Rod, 41... Operating lever, 4
2... Hydraulic device, 43... Operating lever, 5... Hopper mounting frame, 50... Support shaft, 6... Hopper, 70, 71... Link, 71a... Connection shaft,
8... Work equipment mounting frame, 80... Assembly part, 8
1... Work equipment mounting part, 82, 83... Connection member,
9...Seat.

Claims (1)

[Claims] 1. A main beam, which is rotated up and down by a hydraulic system supported by the fuselage, is supported on the upper side of the aircraft which is equipped with an engine that drives the traveling device and is capable of self-propulsion. A hopper mounting frame is supported by a hydraulic device supported by the main beam so that it can be rotated up and down with respect to the main beam by rotation in the opposite direction to the rotation direction of the main beam, and the bottom of the hopper and the work machine are mounted on the hopper mounting frame. The mounting frame is assembled and supported interchangeably, and the work equipment mounting frame is provided with a work equipment mounting portion that hangs downward on the outside of the rotating end of the main beam. A self-propelled transport vehicle with special features.