JPH1042611A - Levee coating apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a levee coating apparatus capable of simplifying the structure of the case of the apparatus body and raising the working property of disassembly/reassembly. SOLUTION: The levee coating equipment having a levee coating equipment body case mounted rotatably in horizontal direction, on a frustum stool mounted on a tractor turning around right and left direction, has a rotating frame fixing the levee coating equipment body case and a fulcrum shaft connecting the rotating frame to the frustum stool rotatably in horizontal direction and a detachable lock pin fixing the rotating frame and the frustum stool.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ridge coating apparatus for continuously forming ridges in, for example, a field.

[0002]

Conventionally, Japanese Utility Model Laid-Open No. 3-12
As shown in Japanese Patent No. 2603, a ridge coater main body case is mounted on the rear side of the tractor, and the ridge coater main body case is horizontally rotated on either the left or right side of the tractor to change the direction, and ridges left uncoated by the forward operation of the tractor. There is a technique that can omit a hand-painting operation by painting the end by a reverse operation. However, in the above-mentioned prior art, since the upper and lower fulcrum shafts are provided on the base frame mounted on the tractor and the ridge coater main body case is provided between the upper and lower fulcrum shafts, the strength of the upper surface side of the ridge coater main body case is reduced. It is necessary to increase the size, and there is a problem that it is not easy to simplify the structure of the ridge coating machine main body case and to improve the assembling / disassembling workability. Further, since the ridge coating machine main body case is fixed by providing a hook on the base frame, it is necessary to perform vibration damping of the ridge coating machine main case in which a large vibration is generated by the ridge coating work by the hook, which simplifies the hook structure. However, there is a problem that the support shaft portion and the like can be easily damaged only by the connection of the hook that causes backlash. In addition, since a shaft for transmitting the PTO driving force of the tractor is provided on the base frame and the shaft is removably connected to the PTO input shaft of the ridge coating machine main body case, there is a problem that the transmission structure cannot be easily simplified. is there.

[0003]

SUMMARY OF THE INVENTION Accordingly, the present invention relates to a ridge coater main body case which is provided on a pedestal frame mounted on a tractor so as to be horizontally rotatable and turns left and right. A pivot frame for horizontally connecting the pivot frame to the base frame so as to be rotatable, and a detachable lock pin for fixing the platform frame and the pivot frame. Since the frame is provided and the ridge coater main body case is attached, simplification of the structure of the ridge coater main body case and improvement of workability of assembling and disassembling can be easily performed, and the base frame and the revolving frame are fixed by the lock pins. Therefore, the lock pin, which can be easily engaged and disengaged, makes it possible to properly perform vibration isolation of the revolving frame. It is intended to obtain aim and easily.

Further, a turning boss is provided with a forward boss and a rearward boss through which a lock pin for detachably engaging the base frame is inserted, thereby simplifying the mounting structure of the lock pin and securing the supporting strength. It can be done easily.

Further, the lower end of the fulcrum shaft is fixed to the base frame, and the turning frame is rotatably supported at the upper end of the fulcrum shaft. It is possible to easily simplify the operation of assembling and disassembling the revolving frame.

Further, a PTO input shaft for transmitting the power of the tractor is passed through the front and rear of the ridge coater main body case, and the PTO of the tractor is moved.
The other end of the telescopic transmission shaft that connects one end to the TO shaft is configured to be directly connected to any one of both ends of the PTO input shaft. For example, the transmission structure using the PTO input shaft is simplified. Can be easily achieved.

[0007]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a side view of the revolving frame, FIG.
Is a plan view of the entirety, FIG. 3 is a rear view of the ridge coating work section, and FIG. 4 is a plan view of the same. The lower link (1) of the tractor (T) is shown.
A ridge coater main body case (3) is connected to (1) and the top link (2), towed by a tractor (T), and a rotary claw for cutting (4), a rotary claw for plowing (5), and a rotary for soil filling. A blade (6) is provided in a rotary cover (7) on the rear surface of the right end of the main body case (3), and the claws (4) (5) and the blade (6) mounted coaxially are rotated counterclockwise in rear view. The side of the former ridge is shaved with rotary nails (4) and (5) to break the soil, and a mud cover (8) is arranged above the upper surface of the ridge, and the rotary nail (5)
Mud is formed, and mud scattered from the blade (6) rotated on the rear side is configured to fall on the upper surface of the ridge by the guide of the mud shutter in the mud cover (8).

A ridge shaping plate (9) for forming a new ridge is disposed behind the mud cover (8), and a vibrator (12) driven by a pair of hydraulic pumps (10) and a motor (11). The ridge shaping plate (9) is fixed, the shaping plate (9) is vibrated by the vibrator (12), and the mud from the blade (6) and the mud cover (8) is shaped.
It is configured to form a new ridge by shaping the ridge.

Further, the vibrator (12) is suspended from a vibrator mounting seat (15) via a swinging spring (14), and the mounting seat (13) is mounted on a vibrator arm (15) made of a square pipe. While being fixed to the right end,
One end of the parallel link (16) (17) is connected to the left end of the vibrator arm (15), and each link (1
6) (17) The other end is connected to both ends of the horizontal frame (18a) of the T-shaped elevating frame (18), and the parallel link (1) is connected.
6) A bracing link (19) for regulating the swing of (17) is provided, and the vertical frame (18b) of the elevating frame (18) is vertically moved on a guide frame (20) fixedly supported on the rear surface of the main body case (3). A vibrator arm (15) is slidably penetrated, and a vibrator arm (15) is disposed substantially horizontally in the left and right directions on the right rear side of the main body case (3) so as to be substantially parallel to the slope of the new ridge. The vertical frame (18b) is inclined rightward.

Further, an electric lifting cylinder (21) is mounted on a cylinder mounting seat (21a) which is connected and supported on the rear side of the main body case (3), and a tip of a piston (22) of the cylinder (21) is connected to the vertical frame. (18b) The lifting shaft (18) is moved up and down by moving the piston (22) of the lifting cylinder (21) up and down by connecting to the coupling shaft (23) on the lower end side, and the vibrator arm (15) and the ridge shaping plate (9). ) And so on.

Further, the base end of the mud cover frame (24) is fixed to the elevating frame (18), and the mud cover (8) is fixed to the front end of the frame (24). The mud scattering prevention cover (25) fixed to the surface is superimposed on the upper surface and the front and rear surfaces of the mud cover (8), and the cover (8) (25) guides the scattering of mud by the rotary (4). ing.

Further, a round pipe-shaped sled (26), which is long in the front-rear direction and slides on the rice field, is supported on the lower left and right sides of the main body case (3) in a vertically adjustable manner, and is provided at the rear end of the sled (26). The side disk can be attached so that the height can be adjusted freely, and the soil on the rice field is moved by the side disk at the ridge, so that the groove formed by the rotary claws (4) and (5) is filled.

As shown in FIG. 5, the lifting cylinder (2
1) is pivotally supported on a cylinder mounting seat (21a) fixed to the body case (3) side via a support shaft (29),
The guide frame (20) and the guide rollers (30) (31) provided integrally with the frame (20) support the intermediate portion of the vertical frame (18b) of the elevating frame (18) in a vertically slidable manner. The frame (20) is fixed to the main body frame (3) via a fixed shaft (32). The coupling shaft (23) is provided on a coupling member (34) which is fixed at a lower end of the vertical frame (18b) at a plurality of upper and lower positions via set bolts (33) so that the mounting position can be changed. By changing the attachment position to the upper or lower position, the position of the connecting shaft (23) is changed up and down to adjust the lowering margin and the raising margin of the ridge shaping plate (9).

Further, as shown in FIGS. 2, 6, and 7, a transmission case () is provided at the rear of a tractor (T) having front and rear wheels (35) and (36), a driver's seat (37), and a steering handle (38). 39), and one end of a telescopic transmission shaft (41) is connected to a PTO shaft (40) on the rear surface of the transmission case (39). A protruding PTO input shaft (42) is provided, and the other end of the transmission shaft (41) is connected to one of the front and rear ends of the PTO input shaft (42) penetrating the main body case (3). . A pawl shaft (43) on which the rotary pawls (4) and (5) and the blade (6) are provided.
A PTO input shaft (42) is connected to the input shaft (42) via a chain (44) or the like to perform the crushing operation and to fix the input shaft (4) of the hydraulic pump (10) to be fixed to the main body case (3).
5) to the PTO input shaft (4) via the chain (46) or the like.
2) are connected to each other, and the hydraulic oil in the oil tank (47) serving as a left and right balancer fixed to the left end of the main body case (3) is supplied to the hydraulic motor (11) by the hydraulic pump (10), and the vibrator (10) Is configured to be driven.

Further, as shown in FIGS. 1, 8 to 11, the pipe is bent into an L-shape when viewed from the side to form a base frame (48).
And the lower link (1) and the top link (2) are connected to the L-shaped vertical portion of the base frame (48) via the hitch pins (49) and (50).
A fulcrum shaft (52) via a reinforcing plate (51) at the rear end of the horizontal part
And the pipe is bent into an L shape in a side view to form a revolving frame (53), and the revolving frame (5
The L-shaped vertical portion of (3) is connected to the front side of the main body case (3) via brackets (54) and (55), and the bottom surface of the main body case (3) is brought into contact with the upper surface of the L-shaped horizontal portion of the revolving frame (53). It is connected and fixed. The turning frame (53)
The bearing cylinder (57) is integrally fixed to the rear end of the L-shaped horizontal portion via a lock plate (56) also serving as a reinforcing plate, and the fulcrum shaft (5) is fixed.
2) The upper end side is rotatably inserted into the bearing cylinder (57), and the bearing cylinder (57) is removably mounted above the fulcrum shaft (52) via the retaining bolt (58), and the lock pin (59). A pair of forward bosses (60) (6)
0) and a pair of rearwardly facing bosses (61) and (61) are fixed to the revolving frame (53) L-shaped horizontal portion and the rear portion of the lock plate (56), respectively, and the lock pin is inserted through the forwardly or rearwardly facing bosses (60) and (61). (59) A pair of fixing bosses (62) (62) into which the lower ends are inserted are fixed to the base frame (48) L-shaped horizontal portion. The bosses (60), (61) and (62) are arranged on the same circumference centered on the fulcrum shaft (52).
Is arranged.

In the state shown in FIG. 1, the universal joint (63) at the end of the telescopic transmission shaft (4) and the PTO input shaft (4)
2) Remove the locking bolt (64) fixing the
By removing the universal joint (63) from the O input shaft (42) and removing the lock pin (59) from each boss (60) (62), the revolving frame (53) is rotated about the fulcrum shaft (52). Rotate horizontally, and move it from the forward posture of FIG.
2, the main body case (3) can be turned to the rearward posture. When the main body case (3) is in the frontward posture of FIG.
A lock pin (59) is inserted into 2), and each frame (48) (5) is inserted by two left and right lock pins (59) (59).
3) is fixed, the universal joint (63) of the transmission shaft (41) is fixed to the front end side of the PTO input shaft (42) by the locking bolt (64), and the tractor (T) is advanced while the tractor (T) is advanced. When the main body case (3) is in the rearward posture of FIG. 12, the lock pin (59) is inserted into the rearward boss (61) and the fixed boss (62) while performing the forward traveling ridge painting operation shown in FIG. Fix the frames (48) and (53)
At the rear end of the input shaft (42), the universal joint (6
3) is fixed by locking bolts (64), and the reverse running ridge painting operation shown in FIG. 13 for performing levee coating while moving the tractor (T) backward is performed. In addition, when performing the reverse running ridge coating work, the operation of reversing the PTO shaft (40) is performed on the tractor (T) side.

As is clear from the above, the tractor (T)
In a levee coating apparatus in which a ridge coating machine main body case (3) is horizontally rotatable on a base frame (48) to be mounted on a base frame (48) and turns left and right, a revolving frame (53) for fixing the ridge coating machine main body case (3). ), And the revolving frame (53)
Is provided on the base frame (48) so as to be horizontally rotatable, and a support shaft (52) is provided.
8) A detachable lock pin (59) for fixing the revolving frame (53) and the revolving frame (53) is provided. The revolving frame (53) is provided, and the ridge coating machine main body case (3) is attached. In addition to simplifying the structure and improving the assembling and disassembling workability, the base frame (48) and the revolving frame (53) are fixed by a lock pin (59), so that the engaging and disengaging operation is easy like the conventional hook. Lock pin (5
According to 9), the vibration of the revolving frame (53) is more appropriately performed than the conventional hook, and the durability of the support structure of the ridge coating machine main body case (3) is improved. In addition, stand frame (48)
A front boss (60) and a rear boss (61) through which a lock pin (59) for detachably engaging the lock pin (59) is inserted are provided on the revolving frame (53), and the mounting structure of the lock pin (59) is simplified and supported. As well as securing strength,
The lower end of the fulcrum shaft (52) is fixed to the base frame (48), the revolving frame (53) is rotatably supported on the upper end of the fulcrum shaft (52), and the revolving frame (53) is mounted on the upper side of the base frame (48). ) Is attached and detached by detaching operation to simplify the assembling and disassembling operation of the revolving frame (53). Also,
A telescopic transmission shaft that allows the PTO input shaft (42) for transmitting the power of the tractor (T) to pass through the ridge coater body case (3) before and after, and connects one end to the PTO shaft (40) of the tractor (T). (41) The other end of the PTO input shaft (42) is configured to be directly connected to any one of both ends of the PTO input shaft (42).
The transmission structure using the TO input shaft (42) is simplified.

This embodiment is constructed as described above. As shown in FIG. 7, the main body case (3) is fixed in a forward position by a lock pin (59), and the PTO input shaft (4) is fixed.
2) The transmission shaft (41) is connected to the front end, and FIG.
As shown in (1), a ridge shaping plate (9) is supported on the right rear side of the tractor (T), and ridges are continuously formed while the tractor (T) is advanced by an advance traveling ridge coating operation. And
When reaching the end of the ridge while leaving the crossing of the tractor (T) (length of the tractor front and back), the transmission shaft (41) is removed from the PTO input shaft (42), and the lock pin (59) is removed.
The turning frame (53) is horizontally rotated around the fulcrum shaft (52), and the body case (3) is turned to the rearward posture,
As shown in FIG. 12, a lock pin (59) is inserted into a fixed boss (62) via a rearward boss (61), and each frame (48) (53) is inserted by two lock pins (59).
And the transmission shaft (4) is attached to the rear end of the PTO input shaft (42).
1) is connected, and as shown in FIG. 13, the turned ridge shaping plate (9) is supported on the left rear side of the tractor (T),
Perform the tractor (T) direction change operation and the PTO shaft (40) reverse operation to move the tractor (T) backward to perform the reverse running ridge painting work, and the tractor (T) crossing length left by the forward running ridge painting work Finish the ridge at the end of the ridge.

FIG. 14 shows a modification of FIG. 6, in which a reverse input shaft (66) is connected to a PTO input shaft (42) via a reverse gear (65), and the reverse input shaft (66) is connected. The reverse input shaft (67) is connected to the transmission shaft (41) when performing the reverse running ridge painting operation shown in FIG. 13 by projecting the body case (3) rearward.
The reversing operation of the TO shaft (40) can be omitted, and both the forward and backward levee coating work can be performed by rotating the PTO shaft (40) in the same direction.

FIG. 15 shows a modification of FIG. 7, in which a quick hitch (70) having upper and lower hooks (68) and (69) is supported by a lower link (1) and a top link (2). By raising the quick hitch (70) by the link (1) (2) raising operation,
While the hitch pins (49) and (50) of the base frame (48) are engaged with the hooks (68) and (69), the quick hitch (70) is operated by lowering the links (1) and (2).
Is lowered to release the hitch pins (49) and (50) from the hooks (68) and (69), and the base frame (48) is mounted using the quick hitch (70) that is easy to attach and detach. You can also do things.

FIG. 16 shows a modification of FIG. 13, in which a front hitch frame (7) is provided at the front of the tractor (T).
1) The base frame (48) is attached to be able to move up and down freely through
A forward running ridge painting work in which a ridge shaping plate (9) is provided in a forward posture on the right front of the tractor (T), and a reverse running ridge painting work in which a ridge shaping plate (9) is provided in a rearward posture on the left front of the tractor (T). May be performed alternatively. At this time,
It is desirable to provide a hydraulic pump on the PTO shaft (40) and drive the PTO input shaft (42) by hydraulic power.

[0022]

As is apparent from the above embodiments, the present invention provides a ridge coater main body case (3) on a base frame (48) to be mounted on a tractor (T) so as to be freely rotatable in a horizontal direction, and turns left and right. In the ridge coating device, a pivot frame (53) for fixing the ridge coating machine main body case (3) is provided, and a fulcrum shaft (52) for connecting the pivot frame (53) to the base frame (48) so as to be horizontally rotatable. ), And
A detachable lock pin (59) for fixing the base frame (48) and the turning frame (53) is provided.
Revolving frame (53) provided and ridge coating machine body case (3)
Since the mounting is performed, simplification of the structure of the ridge coating machine main body case (3) and improvement of assembling / disassembling workability can be easily performed, and the base frame (48) and the revolving frame (53) are locked with the lock pin ( 59), the swing pin (59) can be properly damped by the lock pin (59), which can be easily engaged and disengaged, and the durability of the support structure of the ridge coating machine main body case (3) can be improved. Improvement can be easily achieved.

Further, a forward boss (60) and a rearward boss (61) through which a lock pin (59) for detachably engaging with the base frame (48) is inserted are turned into a turning frame (53).
This makes it possible to simplify the mounting structure of the lock pin (59), secure the support strength, and the like easily.

The fulcrum shaft (5) is attached to the base frame (48).
2) The lower end side is fixed, and the turning frame (53) is rotatably supported on the upper end side of the fulcrum shaft (52). The turning frame (53) is inserted and removed above the base frame (48). It can be detached and attached, and the operation of assembling and disassembling the revolving frame (53) can be easily performed.

Also, the PT for transmitting the power of the tractor (T)
The O input shaft (42) is passed through the front and rear of the ridge coating machine main body case (3), and the telescopic transmission shaft (41) for connecting one end to the PTO shaft (40) of the tractor (T) is connected to the PTO at the other end. It is configured so as to be directly connected to any one of both ends of the input shaft (42), so that the transmission structure using the PTO input shaft (42) can be easily simplified.

[Brief description of the drawings]

FIG. 1 is a side view of a turning frame unit.

FIG. 2 is an overall plan view.

FIG. 3 is a rear view of a row coating work unit.

FIG. 4 is a plan view of the same.

FIG. 5 is an explanatory view of a lifting frame unit.

FIG. 6 is a drive explanatory diagram.

FIG. 7 is an explanatory side view of the base frame portion.

FIG. 8 is an enlarged view of FIG.

FIG. 9 is a rear view of the previous figure.

FIG. 10 is a plan view of the same.

FIG. 11 is an enlarged rear view of the same.

FIG. 12 is an operation explanatory view of FIG. 7;

FIG. 13 is an explanatory view of ridge coating work.

FIG. 14 is an explanatory view showing a modification of FIG. 6;

FIG. 15 is an explanatory view showing a modification of FIG. 7;

FIG. 16 is an explanatory view showing a modification of FIG. 13;

[Explanation of symbols]

 (T) Tractor (3) Row coating machine case (40) PTO shaft (41) Transmission shaft (42) PTO input shaft (48) Base frame (52) Support shaft (53) Swivel frame (59) Lock pin (60) ) Forward boss (61) Rear boss

Claims (4)

[Claims] 1. A ridge coater for horizontally rotating a ridge coater main body case on a pedestal frame mounted on a tractor to change the direction from left to right, comprising a revolving frame for fixing the ridge coater main body case. Along with providing a fulcrum shaft for connecting the frame horizontally rotatably on the base frame,
A ridge coating device comprising a detachable lock pin for fixing the base frame and the revolving frame. 2. The ridge coating apparatus according to claim 1, wherein a front boss and a rear boss through which a lock pin for detachably engaging the base frame is inserted are provided on the turning frame. 3. A fulcrum shaft lower end side is fixed to a base frame,
The levee coating apparatus according to claim 1, wherein a revolving frame is rotatably supported at the upper end of the fulcrum shaft. 4. A tractor PTO input shaft for transmitting the power of the tractor is penetrated to the front and rear of the ridge coater main body case.
The other end of the telescopic transmission shaft that connects one end to the shaft is PT
The ridge coating device according to claim 1, wherein the ridge coating device is configured to be directly connected to any one of both ends of the O input shaft.