JP3455287B2 - Rotary padding of ridge coater - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a construction of a mulling rotary for scraping the surface of an old ridge in a ridge coating machine and scraping soil in a field scene. 2. Description of the Related Art Hitherto, a ridge coater for pulling a tractor at the rear thereof has been known, and this ridge coater uses a mulch rotary having a rotating claw member at the ridge of a field and the surface of an old ridge. , The soil was raised on the ridge, and the ridge surface was painted with a ridge shaping plate with vibrator. In such a conventional ridge coater, the mulch rotary was provided with a row of several claws fixed on the rotating shaft and rotated to scrape the soil in the field scene at the ridge and scrape it to the upper surface side of the ridge. It is. [0003] Such a mulching rotary is designed to simultaneously scrape and scrape only by rotation of a nata claw, but if grass or the like grows, the shaving amount is reduced. The amount of lifting is small and the desired ridge may not be obtained, and if the field is muddy, the amount of lifting is reduced, the soil for forming the ridge is small, and a clean ridge cannot be formed. was there. [0004] The present invention has the following configuration to solve the above-mentioned problems. A ridge coater that is attached to the rear of the tractor and crushes the ridge of the field and the surface of the old ridge with a mulch rotary, rakes it up on the ridge, and fills the ridge with a ridge shaping board. and straight blade for cut, and thy claws for Harrow, a blade for splashing, place before in parallel in this order, the
Insert the straight blade for cutting in the direction of
Nata claw and blade for flip up, up cut rotation
It is configured to rotate in the opposite direction . [0005] By using such means, by driving the mulch rotary, weeds and the like that have grown on the field near the ridge and on the slope of the ridge are cut by the straight blade, and the soil is easily broken. The soil can be crushed with the crushing nails, and the crushed soil can be flipped up onto the ridge with a blade, and then formed into a ridge by a ridge forming plate. The objects and configurations to be solved by the present invention are as described above. Next, an embodiment of the present invention shown in the accompanying drawings will be described. FIG. 1 is a rear side view in which a ridge coater is mounted on the rear of the tractor, FIG. 2 is a rear view of the ridge coater, FIG. 3 is a side cross-sectional view of a power transmission case, and FIG. 4 is a side cross-sectional view showing another configuration. . The overall structure of the ridge coater will be described with reference to FIGS. At the rear of the tractor T, a top link 63 for mounting a working machine and left and right lower links 64 are arranged, and the upper mounting plate 2 is disposed forward of the front of the power transmission case 30 of the ridge coater.
8 and the left and right mounting plates 29 and 29 are protruded, and the rear ends of the top link 63 and the left and right lower links 64 are mounted on the upper mounting plate 28 and the left and right mounting plates 29 and 29, respectively. By rotating, the ridge coater can be moved up and down. A hydraulic pump P and a hydraulic oil tank 20 for storing hydraulic oil are disposed on the left side of the rear surface of the power transmission case 30, and a vibration part is mounted on the right side of the rear surface of the power transmission case 30 via a link mechanism. The ridge forming plate 27 is provided below the vibrating part.
Are arranged. The link mechanism is a power transmission case 3
A plurality of support rods (not shown) protrude rearward from the rear surface, and a support link 1 is fixed diagonally to the rear end of the support rod, and a pivot shaft 5 is provided at the lower left end of the link 1. The link 2 protrudes and is pivotally connected to the upper left end of the link 2.
, The upper end of the link 3 is connected to the lower right end of the link 4 via a pivot 7, and the floating link 8 is connected to the upper right end of the link 1. And a lower end of the floating link 8 and an upper left end of the link 4 are pivotally connected via a pivot shaft 10 to form a substantially parallel link mechanism. Further, the support rod 18 is moved from the power transmission case 30.
Is extended to the rear, and a support plate 19 is fixedly mounted. A lift cylinder 21 with an electric motor that can be rotated forward and backward is pivotally supported at the tip of the support plate 19, and the lower end of the piston rod of the lift cylinder 21 is connected to the link 2. 3 is pivotally connected to a pivot 6 that pivots between the three, and the elevating cylinder 21 is expanded and contracted by driving.
The link angles of the links 2 and 4 with respect to the links 1 and 3 can be changed, and the height of the ridge shaping plate 27 can be adjusted. A lower end of a support rod 38 for supporting the rotary cover 37 is pivotally supported by the pivot shaft 6, and the support rod 38 is bent in an "H" shape, and the tip of the rotary cover 3 is bent.
The rear end of the marker 59 that sets the target is fixedly provided at the corners of the ridge A and 7. A lower portion of the link 65 is pivotally supported at a position slightly higher than the pivotal support portion of the support rod 38 with the pivot shaft 6, and the upper end of the link 65 is pivotally supported by the pivot shaft 12 in the middle of the support link 1. The link 2 and the link 65 are configured to be parallel links. An upper end of a lock lever 8a is fixed below the floating link 8, and the lock lever 8a is extended downward so that a lock pin 8b projects rearward from a middle portion of the lock lever 8a. Oscillation stop plate 11 provided
It passes through a long hole that is open to the outside. The swing stop plate 11 is pivotally supported by a pivot shaft 12 provided on the link 1, and the swing stop plate 1
1 is pivotally supported by the lock arm 13.
By fitting the lock pin 8b into the notch provided in the above, the rocking (floating) can be locked in the case of a soft ridge at two levels of height. The spring support plate 2 is provided on the upper end of the link 3.
2 are fixed, and springs 23, 23, 23
Is fixed at one end and the other end is fixed to the upper part of the vibrating body 24. The vibrating body 24 has a hydraulic motor M fixed to the side so that it is driven by the hydraulic oil from the hydraulic pump P to vibrate. A ridge forming plate 27 is fixed to the lower part of the body 24.
The ridge forming plate 27 is formed in a “H” shape when viewed from the rear, and the ridge A
The upper surface and the slope are pressed down. A sled body 40 is vertically supported so as to support the ridge coater from below, and a sled body height adjusting handle 41 is provided to adjust the grounding height of the sled body 40. A rear plow 42 is disposed at the rear of the rear 40 to backfill the soil at the ridge that has been lifted up by the mulling rotary R. The support arm 43 projects rightward from the front of the power transmission case 30, and a front plow 39 is provided at the tip of the support arm 43 so as to cut off the soil on the upper surface of the ridge A. FIG. 3 shows a power transmission case 30 for driving a mulch rotary R which is a main part of the present invention.
, The input shaft 31, the counter shaft 32,
A hydraulic pump shaft 33 and a rotary shaft 34 are supported by bearings, and a power transmission chain 35 is wound between these four shafts so that the hydraulic pump and the mulch rotary R can be driven. The counter shaft 32 is provided with a tension sprocket 47 for tensioning the chain 35.
And the input shaft 31 is projected forward from the power transmission case 30, and power is transmitted from the PTO shaft of the tractor to the input shaft 31 via a universal joint. A sprocket 45.4 is provided on the input shaft 31.
6 is fixed, and a sprocket 4
7, a pipe-shaped clutch shaft 49 is fixedly mounted on the hydraulic pump shaft 33, and sprockets 50 and 51 are loosely fitted on the clutch shaft 49, and a front shaft 34b of the rotary shaft 34 is fixed.
A sprocket 54 is fixedly mounted on the rear shaft 34a, and a sprocket 55 is fixedly mounted on the rear shaft 34a. The front shaft 34b and the rear shaft 34a are rotatably arranged coaxially with each other.
A chain 56 is wound between 5, 5, and 54, and a chain 35 is wound between sprockets 46, 47, 51, and 55. A shifter 52 is inserted into the shaft center of the clutch shaft 49, and the end of the shifter 52 is connected to the power transmission case 30.
A ball clutch is formed by interposing a ball between the shifter 52, the clutch shaft 49 and the sprockets 50 and 51, and a shift lever 53 is connected to the other end of the shifter 52. By rotating the shifter 52 by the rotation of, the ball is fitted between the clutch shaft 49 and the sprocket 50 or the sprocket 51 to selectively transmit power. That is, when the shifter 52 is in the upper half state in FIG. 3, the clutch shaft 49 and the sprocket 51 come into contact with each other via the ball, and the sprocket 50 is idle. Pump shaft 3 via the sprocket 51
3, the clutch shaft 49 and the sprocket 50 are in contact with each other via the ball when the shifter 52 is in the lower half state of FIG. 3, and the sprocket 51 is in an idling state. The hydraulic pump shaft 33 is driven via the sprocket 50. Thus, by rotating the shift lever 53, the rotation speed of the hydraulic pump shaft 33 can be changed. Note that the front shaft 34b and the rear shaft 34a of the rotary shaft 34 are driven via the sprocket and the chain in any of these states, and the rear shaft 34a winds the chain 35 around the sprocket 47 on the counter shaft 32. Therefore, the rotation is reverse to that of the front shaft 34b. The front shaft 34b protrudes forward from the power transmission case 30, and several (two in this embodiment) straight blades 60 are fixed radially to the protruding portion, and the rotation direction is viewed from the rear. To the right, and cut the weeds by cutting it down.
Are smaller than the number of teeth of the sprocket 55, and the number of rotations is increased. The rear shaft 34a is connected to the power transmission case 3
0, a plurality of ratchet pawls 61 are fixed to the front side of this protruding portion, and several pawls 62 with blades are fixed radially behind the protruding portion. The rotation of the pawl 61 and the blade with a blade 62 becomes an up-cut when rotated leftward in a rear view.
And the blades 62 are lifted up by the rotation of the bladed claws 62. Further, the rotation radius L1 of the straight blade 60 and the rotation radius L2 of the ratchet pawl 61 are smaller than the rotation radius L3 of the pawl 62 with blade. However, in this embodiment, the number of the claws 61 is two,
Although 2 is equipped with two to four, these numbers are not limited. Further, as another configuration of the earthing rotary R, as shown in FIG. 4, a straight blade 60, a ratchet pawl 61 and a pawl 62 with a blade are provided on the same rotary shaft 34 and rotate in the same rotation direction. And a straight blade 6
It is also possible to arrange the pawl 61 and the pawl 61 on the front side and the pawl 62 with the blade on the rear side.
And the turning radii L1 and L2 of the ratchet pawl 61
2 is larger than the turning radius L3. Although not shown, the front straight blade 60 and the ratchet pawl 61 in the arrangement of FIG.
It is also possible to change the rotation direction of the claw 62 with the blade on the rear side, and the straight blade 60 is arranged on the front side, and the claw 61 with the claws 61 and the claw 62 with the blade are arranged on the same row on the rear side. The pawls 61 and the pawls 62 with blades can be arranged alternately, and the straight blades 60, the ratchet pawls 61 and the pawls 62 with blades can be disposed only in the front or rear direction in this order. The number of rotations can be changed, or the radius of rotation can be different. As described above, the present invention has the following advantages. First , by driving the mulch rotary, weeds and the like that have grown on the slopes of the fields and ridges near the ridges are cut by straight blades and easily crushed, and the soil is crushed by the crushing nails. The soil crushed by the blade is flipped up onto the ridge, and then the ridge is formed neatly by the ridge forming plate. Secondly , since the cut is performed with the straight blade, the cut weeds are not lifted onto the ridges, and the crushed soil is lifted by the upcut of the blade, so that the surface can be finished finely.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a rear side view in which a ridge coater is mounted on a rear part of a tractor. FIG. 2 is a rear view of the ridge coater. FIG. 3 is a side sectional view of a power transmission case. FIG. 4 is a side sectional view showing another configuration . [Description of Signs] A Row R Ridging Rotary 27 Row Shaping Plate 34 Rotary Shaft 60 Straight Blade 61 Nata Claw 62 Blade

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-62-198302 (JP, A) JP-A-52-606 (JP, A) JP-A-5-63204 (JP, U) (58) Survey Field (Int.Cl. ⁷ , DB name) A01B 35/00

Claims (1)

(57) [Claims] [Claim 1] Attached to the rear of the tractor, crushing the ridge of the field and the surface of the old ridge with a mulch-rotary, scraping the ridge and painting the ridge with a ridge shaping plate In the hardening ridge coater,
On the rotary shaft of the earthing rotary, a cutting straight blade, a crushing slug, and a jumping blade are arranged in parallel from the front in order from the front , and the cutting straight blade is down-mounted.
In the direction of rotation of the nut,
A padlock for a ridge coater, wherein the paddle is rotated in an up-cut rotation direction .