JPS5821829Y2 - Transport work machine - Google Patents

Description

[Detailed description of the invention] The present invention relates to a transport machine used for various operations such as transporting rice seedlings during rice planting and transporting grain culms during reaping in wet or dry fields, grasslands, snowy areas, etc. , is equipped with a boat-shaped sliding body on which a plurality of boat-shaped sliding bodies can be removably arranged side by side on the left, right, and rear sides, and one end of the main frame is connected to the sliding body via a link mechanism so that it can be bent up and down, so that the structure is straight in plan view. A main frame and a link mechanism are disposed on a line, and a handle is integrally connected to a transmission case that pivotally supports a running drive wheel, and these are supported at the other end of the main frame, and at 90 degrees with respect to the handle. The vehicle is equipped with auxiliary handles in different directions, and the drive wheels can be steered by any one of the handles that respectively protrude in a cross direction.
By arranging the main frame and the link mechanism in a straight line, it is possible to effectively utilize the load carrying surface on the upper surface of the boat-shaped sliding body, and by arranging a plurality of sliding bodies in parallel with the aforementioned sliding body, the amount of cargo carried can be easily increased. The handle can be operated by a worker riding on the body, and the auxiliary handle can be operated by a worker accompanying the sliding body, and the worker can get on and off and steer the vehicle according to the weight of the cargo to be placed on the sliding body. It is an object of the present invention to provide a transporting work machine that is operable and can be used in a state most suitable for working conditions such as wet fields.

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

Figure 1 is a schematic side view of the whole, Figure 2 is a plan view of the same,
In the figure, 1 is a catamaran boat-shaped sliding body on which rice seedlings or grain culms are loaded and slides on a wet field, and 2 is a catamaran boat-shaped sliding body that is connected to the sliding body 1 at one end via a link mechanism 3, which is a vertical vibration absorbing member. A main frame extends forward; 4 is a running drive wheel for wet fields supported by a cylinder shaft 5 rotatably provided at the front end of the main frame 2; 6 is a running drive wheel whose base end is fixed to the cylinder shaft 5; 4 is a handle for changing direction, and 7 is a passenger seat provided above the link mechanism 3.

The sliding body 1 has its circumferential edge fixed to a rectangular frame 8, and an annular connector 9°9 is provided on one outer surface of the frame 8, and a hook 10 and a chain 11 are attached to the opposite outer surface. A plurality of sliding bodies 1' having the same shape are arranged side by side on the left, right and rear sides of the sliding body 1, and a second
As shown in the figure, a chain 11 is connected to a nearby connector 9 via a hook 10, and each sliding body 1 and 1' are connected to each other so that they can be raised and lowered individually, and the number of sliding bodies 1' is adjusted depending on the work. It is formed so that it can be increased or decreased.

Further, as shown in FIG. 3, a bearing cylinder 13 is integrally formed at the front end of the main frame 2, and the middle part of the cylinder shaft 5 is rotatably supported by the cylinder 13, and the base end of the handle 6 is connected to the upper end of the cylinder shaft 5. It is fixed to via the fixture 14.

An anti-rotation pin 15 is fitted into the cylinder shaft 5 and the fixture 14, and an auxiliary handle 16 shown by a phantom line is removably attached in place of the pin 15 to enable operation on the left and right sides. ...Accelerator lever 17 attached to steering wheel 6
The wires 19 and 20 connected to the clutch lever 18 are inserted into the cylinder shaft 5 through its upper opening.

In the past, the lower end of the cylindrical shaft 5 was fixed to the horizontal upper end of the type 1 frame 21, and the hanging end of the frame 21 was fixed to the lower inclined end of the transmission case 23, on which the engine 22 was mounted on the inclined upper end.

An axle 24 is provided at the inclined lower end of the case 23.
A drive wheel 4 is attached to the frame 4, and wires 19 and 20 inserted into the cylindrical shaft 5 are passed through the frame 21 and extended to the engine 22 section.

The fender 25 is fixed to the frame 21 and the transmission case 23, the wires 19 and 20 are formed so as not to contact the drive wheels 4, and the drive wheels 4 and the engine 22 are integrally switched by changing the direction of the handle 6. , 1st
As shown by solid lines and imaginary lines in the figure, the drive wheels 4 are reversed forward and backward together with the handle 6, so that forward and backward switching can be performed.

Wires 19 and 2 are attached to the cylindrical shaft 5 that rotates integrally with the handle 6.
Since the wires 19 and 20 are inserted in the middle, there is no concern that the wires 19 and 20 will be twisted.

It is also possible to provide a bumper 26 shown in imaginary lines in FIG. 1 to protrude from the bearing sleeve 13 and protect the engine 22 during forward movement.

Reference numeral 27 denotes a speed change lever, which has a speed change gear (not shown) built into the transmission case 23.

Next, as shown in FIG. 4, the link mechanism 3 includes front and rear links 28, 29, and upper and lower links 30, 31. 31 are connected by horizontal shafts 32, 33, 34, and 35, and the front link 28 is fixed to the rear end of the main frame 2.

Generally, the lower end of the rear link 29 is connected via a pivot 37 to a pedestal 36 provided on the frame 8 portion approximately in front of the center of the sliding body 1, and the sliding body is swingable back and forth about the pivot 37. 1 and the frame 8 behind the pedestal 36.
The middle of the longitudinal tilt adjustment threaded rod 39 is screwed onto the upper end of the front tilting column 38 that is erected in the section, and the tip of the threaded rod 39 is connected to the upper back surface of the rear link 29, so that the rear link 29
8 so as to be movable toward and away from the sliding body 1, and configured to keep the longitudinal inclination of the sliding body 1 appropriate.

A passenger seat 7 is fixed to the rear link 29 via support rods 40 and 41, and the seat 7 is attached above the link mechanism 3.

In addition, a horizontal shaft 35 connects the rear link 29 and the lower link 31.
One end of a brace rod 42, which is a one-way fixing member, is connected to the rod 42, and a guide plate 44 having an elongated hole 43 is fixed to the other end of the rod 42, and a horizontal shaft connects the front link 28 and the upper link 30. 32 is loosely inserted into the elongated hole 43, and the elongated hole is inserted in the range in which each link 28, 29°, 30. The horizontal shaft 32 slides inside the elongated hole 43 to prevent the front part of the sliding body 1 from descending due to the reaction force of the buoyancy acting on the rear part of the sliding body 1 during backward movement. The horizontal shaft 32 is in contact with one end side, and the vertical link 3
0°31 is maintained in a substantially parallel (fixed state), and the sliding body 1 is controlled to float and sink to maintain the driving wheels 4 in contact with the ground at an appropriate pressure.

In addition, a spring 4 that helps control the floating and sinking of the sliding body 1
5 into the link mechanism 3, and connect each link 2 as shown in Fig. 4.
9 and 31 are pushed open by the spring 45, and the sliding body 1 moves forward.
It can also be formed so that the front part floats and the front part of the sliding body 1 is prevented from sinking during backward movement, so that the driving wheels 4 can efficiently slide the sliding body 1.

Further, as shown in FIGS. 5 and 6, the drive wheel 4 includes a rubber tire 48 with an air plug 47 wrapped around a rim 46, and a plurality of lug plates 49 mounted at equal intervals on the circumferential surface of the rubber tire 48. A pair of left and right links 50.50 located on the side surfaces of the rubber tire 48 are welded and fixed to the lug plate 49, and a link 50 of each lug plate 49...
· are bent and connected independently by pins 51...

- A hook 52 is formed on the link 50' at the side end, and the hook 52 is engaged with the pin 51' of the link 50'' at the other end to join the links 50 in an annular shape to form a girdle. Links 50, 50', 50'' are made by integrally forming a lug plate 49 on a rubber tire 48 from which air has been removed in advance.
The hook 52 is engaged with the pin 51', and the appropriate pressure of air is injected into the rubber tire 48 through the air plug 47, causing the rubber tire 48 to bulge out and the lug plate 4
9 are formed to protrude at an appropriate angle, and the lug plate 49 that is in contact with the ground is tilted by the ground pressure to obtain the buoyancy and traction force necessary for running in wet fields, etc.

When running on the road such as a housing or a farm road, the lug plate 49 can be removed and the rubber tire 48 can be used alone. At this time, as shown by the imaginary line in FIG. Attach the road running wheels 53... to the sliding body 1.
It is also possible to use it only as a luggage rack.

The present invention is constructed as described above, and when performing agricultural work such as reaping in wet fields or extremely wet fields with a relatively deep mud layer, the operator rides into the wet field in the conditions shown in FIGS. The operator rides on the machine and operates the handle 6 appropriately to tow the sliding body 1. During the reaping work, the harvested grain culms are stacked on the sliding body 1, and the grain culms are protected from muddy water and the like. In addition to carrying out the grain culm and simplifying post-work such as threshing, in rice planting work, rice seedlings are placed on sliding bodies 1 and distributed in wet fields, and rice planting is promptly performed.

In addition, the sliding body 1 can also be towed on dry fields or grasslands in the same manner as described above and used for various works.In winter, the sliding body 1 can be towed over snow and cargo can be carried on the sliding body 1. Can be done.

As described above, since the drive wheels 4 are changed direction integrally with the handle 6, they can be easily supported and it is easy to perform forward and backward operations.

The transmission case 23 supporting the slanted lower end of the transmission case 23 protrudes forward and upward in the forward posture, and the engine 22 is mounted on the slanted upper end of the case 23, so that the weight of the engine 22 is effectively added to the drive wheels 4. At the same time, the lug plate 4
By changing the inclination of 9..., appropriate buoyancy and strong driving force can be obtained.

Furthermore, since the link mechanism 3 is freely displaceable when traveling forward, and the link mechanism 3 is fixed when traveling backward, even if the front portion of the sliding body 1 rises due to the buoyancy generated in the front portion of the sliding body 1 when traveling forward, This is absorbed by the displacement of each link 28, 29, 30, 31, and the driving wheels 4 are kept at an appropriate ground height. Even if it acts as a sinking blade, each link 28
, 29, 30, 31 are fixed by brace rods 42,
The sinking blade at the front of the sliding body 1 is attached to the drive wheel 4 via the main frame 2.

Therefore, the drive wheels 4 can be properly maintained on the ground regardless of the vertical movement of the sliding body 1 due to forward and backward running, and stable running driving force can be obtained.

Next, the handle 6 and the engine 22 are connected via the cylinder shaft 5 etc.
In addition, since the driving wheel 4 is integrally connected and fixed, and the middle of the operating wire 19, 20 stretched between the handle 6 and the engine 22 is inserted into the cylinder shaft 5, there is no possibility of inconveniences such as twisting of the wire 19.20. The steering wheel 6 can be rotated 360 degrees to reverse the driving wheel 4 forward and backward. Therefore, even if the driving wheel 4 with a girdle in which a large number of lug plates 49 are protruded from the rubber tire 48 is used, forward and backward switching can be easily performed. This allows transportation work to be carried out efficiently on soft running roads such as muddy soil in wet fields or snow-covered areas.

As shown in the above embodiments, the present invention includes a boat-shaped sliding body 1 in which a plurality of boat-shaped sliding bodies 1' can be removably arranged side by side on the left, right and rear sides, and a main frame 2 is connected to the sliding body 1 via a link mechanism 3. The main frame 2 and the link mechanism 3 are arranged on the same straight line in plan view by connecting one end so that they can be bent up and down, and the handle 6 is integrally connected to the transmission case 23 that pivotally supports the driving wheel 4. These are supported on the other end of the main frame 2, and the secondary...
The drive wheel 4 is configured to be able to be steered by any of the handles 6 and 16 which are respectively protruded in the cross direction, and the main frame 2 and the link mechanism 3 are linearly arranged to form a boat shape. The cargo loading surface on the upper surface of the sliding body 1 can be effectively used, and the sliding body 1 can be equipped with a plurality of sliding bodies 1',
By arranging them side by side, the amount of cargo carried can be easily increased, and the handle 6 can be operated by a worker on board the boat-shaped sliding body 1, and the auxiliary handle 16 can be operated by a worker accompanying the sliding body 1. The sliding body 1 can be operated individually, and the worker can get on and off and operate the steering according to the weight of the load to be placed on the sliding body 1, etc., and it can be used in the most suitable state for the working situation in wet fields, etc., and can be handled easily and efficiently. It has remarkable effects such as increasing

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, in which Fig. 1 is a schematic side view of the whole, Fig. 2 is a plan view thereof, Fig. 3 is an enlarged sectional view showing the support structure of the drive wheel, and Fig. 4. 5 is an enlarged sectional view showing the support structure of the sliding body, FIG. 5 is an enlarged side view of the drive wheel, and FIG.
The figure is a partial perspective view of 1... boat-shaped sliding body, 2... main frame, 4... running drive wheels, 6... handle.

Claims (1)

[Scope of utility model registration request] It is equipped with a boat-shaped sliding body 1 in which a plurality of boat-shaped sliding bodies 1' can be removably arranged side by side on the left, right and rear sides, and one end of the main frame 2 can be bent up and down via a link mechanism 3 to the sliding body 1. The main frame 2 and the link mechanism 3 are connected to the main frame 2 and the link mechanism 3 are disposed on the same line in plan view, and the transmission case 2 pivotally supports the running drive wheel 4.
3 is integrally connected with a handle 6, and these are supported by the other end of the frame 2, and 9 is attached to the handle 6.
A transport work machine characterized by being equipped with sub-handles 16 having different 0-degree orientations, and configured so that the drive wheels 4 can be steered by any one of the handles 6 and 16, which respectively protrude in a cross direction.