JP2003199405A - Levee plastering machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To rotate a pretreating body for tilling and piling up a part of an original levee and a field into a levee form and a levee reshaping body forming soil tilled with the pretreating body while rotating in the horizontal direction or regulate an offset magnitude in a levee plastering machine. <P>SOLUTION: This levee plastering machine is obtained as follows. (1) The pretreating body 19 and the levee reshaping body 20 can be rotated and regulated with a transmission frame 12 as the center of rotation in the horizontal direction and supporting the base side of the transmission frame 12 so as to enable regulation of the offset magnitude in the horizontal direction through parallel links 5 and 6 relatively to the frame 2 on the body side. (2) The pretreating body 19 and the levee reshaping body 20 are rotated through a link body 25. (3) The link body 25 is operated by stretch of a cylinder mechanism 26. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pretreatment body for cultivating a part of the original ridge and the field to ridge it and a ridge for forming the ridge while rotating the soil cultivated by the pretreatment body. The present invention relates to a ridge coating machine capable of rotating a body in a horizontal direction or adjusting an offset amount.

[0002]

2. Description of the Related Art A main body frame is mounted on a rear portion of a traveling machine body, and a rectifying body and a pretreatment body are provided on the main body frame in a laterally offset state, and the rectifying body and the pretreatment body are attached to the main body frame. Supports rotatably in the left and right direction, and supports the ridge body and pretreatment body in a normal turning position offset from the traveling direction of the machine at a right-angle turning position and a 180-degree turning working position so that the fixing can be released. The ridge coater has been proposed by the present applicant (for example, see Patent Document 1).

[0003]

[Patent Document 1] Japanese Patent Laid-Open No. 10-4706

[0004]

In the above-mentioned ridge coating machine of the prior art, the transmission of the pretreatment body and the trimming body, the offset rotation support structure are complicated, and the horizontal rotation and switching operation are not possible. It was troublesome. Furthermore, it was not possible to combine the horizontal rotation and horizontal movement of the pretreatment body and the trimming body. The present invention has been made for the purpose of solving such problems.

[0005]

In order to achieve the above object, the present invention provides: A pretreatment body equipped with a cultivating rotor mounted on the rear part of the traveling machine body and receiving power from the traveling machine body to cultivate a part of the original ridge and the field to ridge-up, and cultivated by this pretreatment body A drum-shaped ridged body for forming soil into ridges while rotating, supporting the pretreatment body and ridged body by one frame structure, and from one transmission frame to the pretreatment body and ridged body In a ridge coater configured to transmit power, the pretreatment body and the ridge body can be horizontally rotated and adjusted with the transmission frame as a rotation center, and the base side of the transmission frame is with respect to the main body side frame. It is characterized in that the amount of offset in the horizontal direction is adjustable and supported via parallel links.

B. It is characterized in that the pretreatment body and the trimming body are rotated via a link body. C. It is characterized in that the link body is operated by expansion and contraction of the cylinder mechanism.

[0007]

The ridge coater of the present invention having the above-described structure has the following functions. ． The above A. With this configuration, the traveling machine body is moved forward, turned, or backed, and the ridge coater performs ridge shaping work from corner to corner of the field. Further, the horizontal offset amounts of the pretreatment body and the ridge trimming body are freely adjusted, and the ridge shaping work is performed at an appropriate position according to the machine body width of the traveling machine body.

[0008] The above B. With this configuration, the worker can easily perform the horizontal rotation of the pretreatment body and the trimming body and the adjustment operation of the offset amount while riding on the traveling machine body. ． The above C. With this configuration, the pretreatment body and the trimming body can be rotated in the horizontal direction and the offset amount can be adjusted by remote control.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be specifically described below with reference to the accompanying drawings. In FIGS. 1 and 2, reference numeral 1 is a ridge coating machine that is connected to a three-point link connecting mechanism including a top link and a lower link, which is provided at a rear portion of a tractor (not shown), and performs a lining operation. This ridge coater 1 has a main body frame 2 that doubles as a transmission frame.
Is provided so as to be orthogonal to the traveling direction of the machine body.
The main body frame 2 is provided with an input shaft (not shown) projecting forward from the front end and receiving power from the PTO shaft of the tractor via the universal joint and the transmission shaft, and the top link connecting part 3 projecting upward. And the lower link connecting portions 4 and 4 on both left and right sides of the lower part so as to be connected to the three-point link connecting mechanism of the tractor.

A support / transmission frame 7 is pivotally attached to the rear end portions of a pair of left and right parallel links 5 and 6 whose front ends are pivotally attached to the rear portion of the main body frame 2 and is movable (offset) in the left and right directions. . The power input from the input shaft is transmitted to the left and right center positions of the support / transmission frame 7 via the transmission mechanism 8, and the bevel gears 9 and 10 shift the power to the pretreatment body 19 and the trimming body 20 which will be described later. A transmission gearbox 11 for transmission is provided. A base end portion of the transmission frame 12 is rotatably supported in a horizontal direction below the transmission gear box 11 via a bearing 13. A transmission shaft 15 is rotatably supported at the base end of the transmission frame 12 via bearings 14 and 14, and the upper end of the transmission shaft 15 is provided at the transmission gearbox 11.
It projects inside and the bevel gear 10 is fixedly installed therein. The transmission frame 12 has a single frame structure, and the power is transmitted to the front end side via a chain 17 wound around a sprocket wheel 16 fixed to the transmission shaft 15.

At the tip of the transmission frame 12, a part of the original ridge and the cultivating rotor 18 for cultivating the field and raising it into a ridge shape.
It supports a pretreatment body 19 provided with, and a ridge body 20 composed of a polygonal conical drum that forms a ridge while rotating soil cultivated by the pretreatment body 19. Power is transmitted to each of the pretreatment body 19 and the rectifying body 20 from a transmission case 21 pivotally attached to the distal end portion of the transmission frame 12 so as to be horizontally rotatable. Then, the pretreatment body 19 and the trimmed body 20
Is a base end portion of the transmission frame 12 (transmission gearbox 11
Position) and the pivotal attachment portion of the transmission frame 12 to the transmission case 21 can be rotated 180 degrees in the horizontal direction. It should be noted that the pivoting portion of the transmission frame 12 to the transmission case 21 can obtain the same movement even in the fixed state.

One of the parallel links 5 and 6 is pivotally supported with respect to the support / transmission frame 7 of one of the links 5, and the other link 6 is provided.
The electric cylinder 2 for adjusting the offset amount between the intermediate portion of the
2, the left and right offset amounts of the pretreatment body 19 and the trimming body 20 can be adjusted steplessly by the expansion and contraction operation of the electric cylinder 22. Then, from the state of FIG. 1 and FIG. 2 in which the pretreatment body 19 and the trimmed body 20 are offset to the right side, the state in which the pretreatment body 19 and the trimmed body 20 of FIG. The processing body 19 and the trimming body 20 are 18
It is possible to adjust steplessly until the pretreatment body 19 and the rectifying body 20 in FIG. 6 are rotated by 0 degree and offset to the left side, and are rotated by 180 degrees to be closer to the center of the machine body.

As shown in FIG. 3, a link body 25 pivotally mounted by the transmission frame side pivotal support portion 23 and the main body frame side pivotal support portion 24 is provided at the base end portion of the transmission frame 12, Tip and support / transmission frame 7
An electric cylinder 26 is interposed between and. And
When the electric cylinder 26 is expanded and contracted, the link body 2
5 pivots around the main frame side pivotal support 24, and the transmission frame 12 pivots around the base end by the transmission frame side pivotal support 23, so that the pretreatment body 19 and the trimming body 20 are moved as shown in FIG.
5 to the position of FIG. 5 and the position of FIG. 6 are continuously rotated within a range of 180 degrees.

The upper sides of the pretreatment body 19 and the trimmed body 20 are covered with a pretreatment body cover 19a and a trimmed body cover 20a. The pretreatment body cover 19a among them is slid to the left and right by the left and right slide adjusting handle 27 to adjust the discharging direction of the tilled soil. Also,
The pretreatment body 19 can also be adjusted up and down (adjustment of plowing depth). On the other hand, in the vicinity of the ridge body 20, the ridge body vertical adjusting device 2
8 is provided to vertically adjust the ridge body 20. At the end of the transmission case 21, a triangular disc-shaped gauge wheel 29 is vertically adjusted by an up / down adjustment handle 30, and the entire pretreatment body 19 and ridge body 20 are vertically adjusted.

In the ridge coating machine 1 having such a structure,
The top link connecting portion 3 and the lower link connecting portions 4 and 4 of the ridge coating machine 1 are connected to the three-point link connecting mechanism of the tractor, and the power is transmitted from the PTO shaft of the tractor to the input shaft. Via the transmission gearbox 11 via
Here, the bevel gears 9 and 10 shift the speed, and the gears are transmitted to the pretreatment body 19 and the ridge body 20 through the transmission frame 12 and the transmission case 21 to be driven and rotated, and the respective work is performed.

In the pretreatment body 19, a part of the original ridge and the field are cultivated by the cultivating rotor 18 to raise the ridge into a ridge shape, and the cultivated soil is made into a polygonal cone of the arranging body 20. The polygonal ridges and flat surface of the drum drum rotate to hit the ridge slope to form the ridge. Further, the horizontal cylindrical body 20b provided integrally with the polygonal conical drum is brought into contact with the top of the ridge while rotating to make the top of the ridge even.

In the furrow coater 1 of this embodiment, the pretreatment body 19 and the trimming body 20 are normally set on the right side of the body in the state of FIGS. 1 and 2 and move counterclockwise in the forward direction while moving in the forward direction. The ridge is formed on the right side of the ridge coater 1. In the corner of the field, etc., the traveling of the tractor and the driving rotation of the pretreatment body 19 and the ridge body 20 are once stopped, and the ridge coater 1 is lifted by the three-point link connection mechanism of the tractor to extend the electric cylinder 26. . Then, the transmission frame 12 horizontally rotates about the base end portion via the link body 25, and the pretreatment body 19 and the ridge body 20 rotate and move 180 degrees from the position of FIG. 1 to the position of FIG. To do. At this time, the electric cylinder 2
6 and the link body 25 operate in sequence as shown in FIGS. Then, the ridge applicator 1 drives the pretreatment body 19 and the ridge arranging body 20 in the state shown in FIG. 5, retracts the tractor to the side where ridges are to be formed, and performs the work while moving the ridge applicator 1. Then, the ridge formation work from the remaining position to the corner is performed.

Further, the pretreatment body 19 and the rectifying body 20 can be rotationally adjusted in the horizontal direction with the transmission frame 12 as a rotation center, and the base side of the transmission frame 12 is parallel-linked to the main body side frame 2. Since the horizontal offset amount is adjustable via 5 and 6, the tractor can be moved forward, swivel or back to adjust the position of the ridge coater 1 while performing ridge shaping work from corner to corner of the field. It can be carried out. Furthermore, when adjusting the offset amount of the ridge coater 1 according to the size (width) of the tractor on which the ridge coater 1 is mounted, the state of the field, the soil quality, etc., the electric cylinder 22 for adjusting the offset amount is expanded / contracted. Parallel link 5,
6 rotates in the left-right direction to move the ridge coating machine 1 in the horizontal direction, and the offset amount can be arbitrarily adjusted to perform an appropriate ridge forming work.

[0019]

As described above, according to the furrow coater of the present invention, the following effects can be obtained.

[0020]. With the transmission frame as the center of rotation, the pretreatment body and the ridge body can be horizontally rotated and adjusted,
Since the base side of the transmission frame is supported to the main body side frame via the parallel link so that the horizontal offset amount can be adjusted, the traveling machine body can be moved forward, turned or backed
With the ridge coater, ridge shaping work can be performed from corner to corner of the field. Further, the horizontal offset amounts of the pretreatment body and the ridge trimming body can be freely adjusted, and the ridge shaping work can be performed at an appropriate position according to the machine body width of the traveling machine body.

[0021]. Since the pretreatment body and the trimming body are made to rotate via the link body, the operator can rotate the pretreatment body and the trimming body in the horizontal direction and adjust the offset amount while riding on the traveling machine body. The operation can be performed easily. ． Since the link body is actuated by the expansion and contraction of the cylinder mechanism, it is possible to remotely control the horizontal rotation of the pretreatment body and the adjusting body and the adjustment operation of the offset amount.

[Brief description of drawings]

FIG. 1 is a plan view showing a state where a pretreatment body and a ridged body of a ridge coating machine according to the present invention are offset to the right side.

FIG. 2 is a plan view (a) with the covers and the cylinder mechanism removed, and a sectional view (b) of a rotating portion of the transmission frame.

FIG. 3 is a bottom view of the operating state of the link body and the cylinder mechanism. (A) is a normal work state, (b) is a 90-degree rotating state,
(C) shows a 180 degree rotation state (during back operation).

FIG. 4 is a plan view showing a state in which the pretreatment body and the trimming body are moved toward the center of the machine body.

FIG. 5 is a plan view showing a state in which the pretreatment body and the trimming body are rotated 180 degrees and offset to the left.

FIG. 6 is a plan view showing a state in which the pretreatment body and the trimming body are rotated 180 degrees and moved toward the center of the machine body.

[Explanation of symbols]

1 ridge coater 2 body frame 3 Top link connection 4 Lower link connection 5,6 parallel links 7 Support / transmission frame 8 transmission mechanism 9,10 bevel gear 11 variable speed gearbox 12 transmission frame 13,14 Bearing 15 Transmission shaft 16 sprocket wheels 17 chains 18 Tilling Rotor 19 Pretreatment body 19a Cover 20 Alignment body 20a Cover 20b Horizontal tubular body 21 transmission case 22,26 Electric cylinder 23 Transmission frame side pivotal support 24 Main frame side pivotal support 25 link body 27 Left and right slide adjustment handle 28 Adjusting body vertical adjustment device 29 gauge wheel 30 Vertical adjustment handle

Claims (3)

[Claims] 1. A pretreatment body equipped with a cultivating rotor mounted on a rear portion of a traveling machine body, which receives power from the traveling machine body to cultivate a part of a main ridge and a field to raise the ridge into a ridge shape. A drum-shaped ridge body for forming ridges while rotating soil cultivated by the treatment body is provided, and the pretreatment body and the ridge body are 1
A ridge coater that is supported by two frame structures and that transmits power from one transmission frame to the pretreatment body and the ridge body, in a horizontal direction of the pretreatment body and the ridge body with the transmission frame as the center of rotation. The ridge coating machine is characterized in that the base side of the transmission frame is supported by a parallel link with respect to the main body side frame so that the horizontal offset amount can be adjusted. 2. The ridge coating machine according to claim 1, wherein the pretreatment body and the ridge adjusting body are rotated via a link body. 3. The ridge coating machine according to claim 1, wherein the link body is operated by expansion and contraction of a cylinder mechanism.