JP4732531B2 - 畦 coating machine - Google Patents

Description

  The present invention relates to a wrinkle coater equipped with a trimming body and a pretreatment body that are attached to the rear portion of a traveling machine body and driven by receiving power from the traveling machine body, and more particularly to an improvement of a side cover of the pretreatment body.

  Conventionally, a pre-treatment body that is attached to the rear part of a traveling machine body, receives power from the traveling machine body, cultivates the main fence and the field and raises it into a bowl shape, and the soil cultivated by the pre-treatment body is formed into a straw. 2. Description of the Related Art A glazing machine is known that includes a cocoon body and is provided with a side cover that guides the cultivated soil to the cocoon shaping unit without scattering the cultivated soil.

  In order to improve the function of the side cover of the pretreatment body, the applicant of the present invention supports the side cover so as to be movable up and down by a parallel link so that the height of the side cover is automatically adjusted. A coating machine has been proposed (see Patent Document 1).

Japanese Patent Laid-Open No. 11-046508

  In the above prior art wrinkle coater, the side cover is freely moved up and down by the parallel link, and the lowered position is not regulated. There was a problem of getting caught in the upper part of the house and breaking the marshal. The present invention has been made to solve the above problems.

In order to achieve the above object, the present invention is characterized by the following configurations.
A. A pretreatment body that is attached to the rear part of the traveling machine body, receives power from the traveling machine body, cultivates the main fence and the field and raises it into a bowl shape, and a trimming body that forms the soil cultivated by the pretreatment body into a straw A side coater provided with a side cover for preventing soil scattering on the pretreatment body, the side cover is supported by a pair of upper and lower parallel links so as to be movable up and down, and the lowering position of the side cover is regulated A stopper is provided so that the side cover can be freely rotated upward from the lowered position.
The stopper is supported so as to be vertically movable by inserting a pin.

B. The rotation restriction of the parallel link by the stopper can be adjusted stepwise or steplessly.
C. The lowering position of the side cover is regulated by bringing a stopper into contact with the parallel link.

D. The stopper moves in the vertical direction and adjusts the lowered position of the side cover.
E. The stopper rotates with one axis as a fulcrum, and a stopper member provided on the other is brought into contact with the parallel link to restrict the rotation.
F. A cushion material was provided at the contact position between the stopper and the parallel link.

A. above. ~ F. According to the configuration, the plastering machine of the present invention performs the following actions.
1). The side cover can be moved up and down by a parallel link. The lowering position of the side cover is regulated by a stopper, and the side cover is caught by the upper part of the bag by freely moving up and down above the regulated lowering position. There will be no situation that will destroy the Marshal.

  2). The rotation of the parallel link by the stopper can be adjusted stepwise or steplessly, and the lowering position of the side cover is regulated by bringing the stopper into contact with the parallel link. It is done finely and can cope with obstacles such as undulations and stones without difficulty.

  3). The stopper moves in the vertical direction, adjusts the lowering position of the side cover, rotates around one axis, and the stopper member provided on the other abuts the parallel link to regulate the rotation. Since the cushion material is provided at the abutting position, the lowering position of the side cover is regulated arbitrarily and reliably by the vertical movement of the stopper, and the abutting portion of the stopper and the parallel link is I won't hurt.

  As described above, according to the plastering machine of the present invention, the following effects can be achieved by the above-described configuration.

  1). The side cover is supported by a pair of upper and lower parallel links so that it can move up and down, and a stopper is provided to restrict the lowered position of the side cover so that it can be freely rotated above the lowered position. There is no such thing as getting caught on the top and breaking the marshal. Further, the side cover can freely move upward above the lowered position to properly guide the cultivated soil and form an appropriate ridge.

2). Since the rotation of the parallel link by the stopper can be adjusted stepwise or steplessly, the side cover lowering position can be finely controlled, and it can be easily applied to obstacles such as ridges and stones. Can respond.
3). Since the position where the side cover is lowered is regulated by bringing the stopper into contact with the parallel link, the position where the side cover is lowered can be reliably regulated.

4). Since the stopper moves in the vertical direction and adjusts the lowered position of the side cover, it is possible to arbitrarily and reliably regulate the lowered position of the side cover by moving the stopper up and down.
5). The stopper is pivoted about one axis, and the stopper member provided on the other is brought into contact with the parallel link to restrict the pivoting. Therefore, the stopper can be operated easily and the configuration can be simplified. .
6). Since the cushion material is provided at the contact position between the stopper and the parallel link, the contact portion of the parallel link that contacts the stopper can be prevented from being damaged.

1 is an overall plan view of a glazing machine according to the present invention. It is the same rear view. It is a top view which shows the transmission system. It is a fragmentary top view centering on the inclination axis | shaft which rotated the wrinkle coating machine to the operation position. It is a fragmentary top view centering on the inclination axis | shaft which rotated the wrinkle coating machine to the non-working position. It is a whole rear view of the state which rotated the haze coater to the non-working position, and equipped with the stand with a moving wheel. 1 is a side view of a first embodiment of a side cover according to the present invention. It is a side view of 2nd Example of the side cover by this invention. It is a side view which shows the operation | movement. It is a side view of the stopper moving mechanism. It is a side view in the state where the stopper is not effective.

Hereinafter, embodiments of the present invention will be specifically described with reference to the accompanying drawings. 1 to 3, reference numeral 1 denotes a lower link connecting portion 3, 3 and a top mast 4 provided at the front portion of the connecting frame 2, and a pair of left and right lower links and a top link provided at the rear portion of a tractor (not shown). It is a wrinkle coater that can be moved up and down by being connected to the paddle, and is introduced into the field to perform the trimming work. In addition, an input shaft 5 for transmitting power from a PTO shaft of a tractor (not shown) via a universal joint and a transmission shaft projects from the front portion of the connection frame 2, and the input shaft 5 extends rearward for input. It is accommodated in the shaft case 5a.
The scissor coater 1 also serves as a main frame, and a chain case 8 that transmits power to the pretreatment body 6 and the trimming body 7 is disposed in the left-right direction as an integral structure. The chain case 8 has a key shape, and its tip is pivotally supported by an inclined shaft 9 inclined downward to the left with respect to the connecting frame 2 so as to be able to be tilted and rotated (raised and lowered). Then, the pretreatment body 6 and the trimming body 7 are moved to the working position and the non-working position.

An output shaft case 10 corresponding to the input shaft case 5a is provided on the input shaft case 5a so as to be inclined downwardly to the right. An output shaft 11 is pivotally supported on the output shaft case 10, and a chain transmission system 12 is supported on the output shaft 11. The power is transmitted from the input shaft 5 via. The rear end of the output shaft case 10 is open, and an input portion case 13 having a front end opened from the chain case 8 is opposed to the rear end side of the output shaft case 10. An input shaft 14 is supported from the input case 13 to the chain case 8, and a clutch 15 that can be joined and released is provided between the tip of the input shaft 14 and the rear end of the output shaft 11. .
The clutch 15 is joined when the chain case 8 is rotated together with the pretreatment body 6 and the trimming body 7 about the inclined shaft 9 to bring the pretreatment body 6 and the trimming body 7 into the working position. When the 6 and the trimming body 7 are set to the non-working position, the input case 13 is separated from the output shaft case 10 and the joining is released. A clutch pressing spring 16 that presses the clutch 15 in the joining direction is interposed at the front portion of the output shaft 11.

Between the input shaft 14 in the chain case 8 and the output shaft 18 pivotally supported at the terminal end of the chain case 8, power is transmitted from the input shaft 14 to the output shaft 18 by the chain wound around the sprocket 17 and the sprocket 19. Communicated. Power is directly transmitted from the output shaft 18 to the rotary shaft 20 of the pretreatment body 6. The output spline 21 and the input spline 23 protruding forward from the differential case 22 are connected to the adjusting body 7 by a universal joint 24. Thus, the trimming body 7 is driven.
The pretreatment body 6 is provided with a plurality of tilling claws 25 in the radial direction around the axis of the rotary shaft 20 and a side cover 26 that guides the tilled portion without scattering the tilled soil. The upper and lateral sides of the body 6 are covered with a cover 27, and a rotary tilling device that cultivates a part of the main fence and the field and raises it in a bowl shape. The pretreatment body 6 is provided with a pretreatment body vertical adjustment device 28 for adjusting the vertical height of the pretreatment body 6 within a predetermined range.

  The trimming body 7 is attached with a polyhedral drum 30 that receives power from the differential case 22 covered with the transmission case 29 and rotates while the polygonal trimming surface is eccentric and strikes the slope to form a bowl. A horizontal cylindrical portion 31 is formed integrally on the base portion of the drum center of the polyhedral drum 30 so as to form the top portion of the ridge flat and covered with a cover 32. An extension portion can be attached to the horizontal cylindrical portion 31 toward the outside. Further, the tip of the polyhedral drum 30 is disposed so as to come to the front side of the chain case 8. The trimming body 7 is also provided with a trimming body vertical adjustment device 33 that adjusts the vertical height of the trimming body 7 within a predetermined range.

Between the connection frame 2 and the transmission case 29, the chain case 8 is rotated together with the pretreatment body 6 and the trimming body 7 about the inclined shaft 9, so that the pretreatment body 6 and the trimming body 7 are set to the working position. A working unit fixing cylinder device 34 is provided for fixing to the non-working position. As shown in detail in FIG. 4, the working unit fixed cylinder device 34 pivotally attaches the base end portion of the cylinder portion to the connecting frame 2 side and pivots the tip end portion of the piston portion 34 a to the transmission case 29. The piston part 34a can slide with respect to the cylinder part.
When the pretreatment body 6 and the trimming body 7 are rotated by the chain case 8 around the inclined shaft 9 to the working position or the non-working position by human power, the piston portion 34a slides at each position. It is made to fix with the fixing device 35 provided in the cylinder part. The fixing device 35 is attached to the cylinder portion in a pin hole provided in the cylinder portion and the piston portion 34a of the working portion fixing cylinder device 34, and can be inserted and removed by a pin grip 35a, and is always biased in the insertion direction by a spring 35c. The inserted pin 35b is inserted.

  In the vicinity of the working unit fixed cylinder device 34, a gas spring 36 is interposed in which the base end portion of the cylinder portion is pivotally attached to the connecting frame 2 side, and the distal end portion of the piston portion is pivotally attached to the transmission case 29. . This gas spring 36 moves the pretreatment body 6 and the trimming body 7 lightly when moving the pretreatment body 6 and the trimming body 7 from the working position to the non-working position via the chain case 8. Be fired. On the contrary, when the pretreatment body 6 and the trimming body 7 are moved from the non-working position to the work position, the pretreatment body 6 and the trimming body 7 are held so as not to be suddenly rotated and lowered by their own weight.

  A grounding ring (coulter) 37 is provided at a position opposite to the pretreatment body 6 and the trimming body 7 of the connection frame 2. The grounding wheel 37 is supported by a grounding wheel vertical adjustment mechanism 37a so that vertical movement adjustment is possible. Moreover, the stand holder 38 is provided in the both-ends part of the connection frame 2, The stand 39 with a wheel shown also in FIG.6 and FIG.7 is provided in this stand holder 38 so that attachment or detachment is possible. The cover 32 of the polyhedral drum 30 is provided with a grip 40 for rotating the working unit.

As shown in detail in FIGS. 7 to 11, the side cover 26 of the pretreatment body is supported between the cover 27 by a pair of upper and lower parallel links 41 so as to be movable up and down. A stopper support rod 42 is supported on the side cover 26 via a stopper support member 43 so as to be movable up and down stepwise (FIG. 7) by inserting a pin (step 7) or steplessly (FIGS. 8 to 10) by a thumbscrew 42b. As shown in FIG. 10, the stopper support member 43 is provided with a stopper 42a that protrudes toward the parallel link 41 and abuts when the parallel link 41 moves upward to regulate the lowered position of the side cover 26. ing. Accordingly, the side cover 26 can freely rotate upward from the lowered position.
The stopper 42a adjusts the lowered position of the side cover 26 by moving the stopper support rod 42 up and down. Further, the stopper 42a is formed of a cushion material such as rubber so as not to be damaged when it comes into contact with the parallel link 41.

In the plastering machine 1 having such a configuration, a lower link of a three-point link is connected to a lower link connecting portion 3 and a top link is connected to a top mast at a rear portion of a tractor (not shown), and a universal joint, Power is transmitted to the input shaft 5 through the transmission shaft and the universal joint. When the wrinkle coater 1 performs the trimming operation, the pretreatment body 6 and the trimming body 7 are rotated around the inclined shaft 9 by the chain case 8 to the state shown in FIGS. . At this time, in the chain case 8, as shown in FIG. 3, the front end portion of the input portion case 13 is engaged with the rear end portion of the output shaft case 10, and the clutch 15 is in a connected state.
The working unit fixing cylinder device 34 is fixed by a pin 35 b of the fixing device 35. The power received by the input shaft 5 in this state is transmitted to the pretreatment body 6 through the path of the chain transmission system 12 -output shaft 11 -clutch 15 -input shaft 14 -sprockets 17 and 19 -output shaft 18 and output. The shaft 18, the universal joint 24, and the differential case 22 are transmitted to the trimming body 7. Then, as the tractor 2 travels, the trimming operation is performed.

  When adjusting the working depth of the tilling claw 25 and the side cover 26 of the pretreatment body 6, the pretreatment body vertical adjustment device 28 is used. Further, when the working depth of the polyhedral drum 30 of the trimming body 7 is adjusted, the trimming body vertical adjustment device 33 is used. Furthermore, when adjusting the working depth of the pretreatment body 6 and the trimming body 7 at the same time, it can be performed by changing the support height of the coater 1 by the lower link of the tractor. This is done by moving the grounding wheel 37 up and down by the wheel up / down adjustment mechanism 37a.

In the pretreatment body 6, a part of the cocoon and the field are cultivated by the cultivating claws 25 and guided to the cocoon side by the side cover 26 and raised in a bowl shape, and the raised soil is transferred to the polyhedral drum 30 of the rectifying body 7. The polygonal surface is eccentrically rotated to strike the slope surface to form the desired surface. The side cover 26 moves up and down by the parallel link 41, but the lowered position is restricted by the stopper 42a or the stopper member 42d, and can move freely above the lowered position.
The horizontal cylindrical portion 31 flatly molds the top of the ridge formed by the polyhedral drum 30. At the time of this trimming operation, the polyhedral drum 30 that rotates eccentrically is supported in a stable state by a ground ring 37 provided on an axis close to the rotational axis of the polyhedral drum 30 and the horizontal cylindrical portion 31. An extension portion is attached to the horizontal cylindrical portion 31 as necessary.

When the carburizing machine 1 does not work and travels on the road connected to the tractor and lifted by the three-point link, first, the pin grip 35a of the fixing device 35 is used to resist the spring force of the spring 35c. 35 b is extracted from the working unit fixed cylinder device 34, and has a grip 40 for rotating the working unit. The chain case 8 is rotated around the tilt shaft 9 together with the preprocessing body 6 and the trimming body 7, and the preprocessing body 6 and The trimming body 7 is moved to the non-working position (FIGS. 5 to 7 and FIG. 9). At this time, the input unit case 13 rotates together with the chain case 8 and is separated from the output shaft case 10, and the clutch 15 is disconnected.
When the pretreatment body 6 and the trimming body 7 reach the non-working position, the working unit fixing cylinder device 34 is fixed by the pin 35b of the fixing device 35. When the pretreatment body 6 and the trimming body 7 are rotated and moved from the working position to the non-working position or from the non-working position to the working position, the gas spring 36 acts in an auxiliary manner to rotate the chain case 8. It is done lightly. Further, the pretreatment body 6 and the trimming body 7 are prevented from being rapidly lowered by their own weight. As shown in FIGS. 8 and 9, when the motor cylinder 41 is used instead of the working unit fixed cylinder device 34 and the gas spring 36, the pretreatment body 6 and the trimming body 7 can be rotated easily with power. Can do.

DESCRIPTION OF SYMBOLS 1 Coat coating machine 2 Connection frame 3 Lower link connection part 4 Top mast 5 Input shaft 5a Input shaft case 6 Pretreatment body 7 Adjusting body 8 Chain case 9 Inclination shaft 10 Output shaft case 11 Output shaft 12 Chain transmission system 13 Input part Case 14 Input shaft 15 Clutch 16 Clutch pressing springs 17 and 19 Sprocket 18 Output shaft 20 Rotating shaft 21 Output spline 22 Differential case 23 Input spline 24 Universal joint 25 Claw 26 Pretreatment body side cover 27, 32 Cover 28 Pretreatment body top and bottom Adjustment device 29 Transmission case 30 Polyhedral drum 31 Horizontal cylindrical portion 33 Adjusting body vertical adjustment device 34 Working portion fixing cylinder device 34a Piston portion 35 Fixing device 35a Pin grip 35b Pin 35c Spring 36 Gas spring 37 Grounding ring (Coulter) 37a Grounding wheel Vertical adjuster 38 stand holder 39 wheeled stand 40 working portion for pivot grip 41 parallel link 42 stopper supporting rod 42a stopper (cushion member) 42b thumbscrew 42c uniaxial 42d stopper member 42e fixing hole 42f spring 43 stopper support member

Claims (3)

A pretreatment body that is attached to the rear part of the traveling machine body, receives power from the traveling machine body, cultivates the main fence and the field and raises it into a bowl shape, and a trimming body that forms the soil cultivated by the pretreatment body into a straw A side coater provided with a side cover for preventing soil scattering on the pretreatment body, the side cover is supported by a pair of upper and lower parallel links so as to be movable up and down, and the lowering position of the side cover is regulated A stopper is provided so that the side cover can be freely rotated upward from the lowered position.
The above-mentioned stopper is supported so that it can move up and down by inserting a pin.   The wrinkle coater according to claim 1, wherein the stopper is supported by the side cover. 3. A wrinkle coater according to claim 1 or 2, wherein a stopper supporting rod provided with the stopper at an upper end portion is supported by the side cover so as to be movable up and down.

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