JP4041864B2 - Cocoon forming machine - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a wrinkle forming machine, and relates to the structure of a reversing mechanism for a wrinkle forming work body.
[0002]
[Prior art]
Conventionally, there is Japanese Patent Application No. 2002-183691 by the same applicant as a wrinkle forming machine having a reversing mechanism of a wrinkle forming work body. The configuration of the crease forming machine according to this application is such that the crease forming work body including the embankment device and the crease formation apparatus can be turned in the horizontal direction around the rotating portion provided in the drive case, There is a crease forming machine that has a reversal configuration that allows the forward crease work and the reverse crease work to be swiveled so that no end work part occurs.
[0003]
[Problems to be solved by the invention]
When a wrinkle forming machine according to the configuration of the prior art is mounted on a tractor and the wrinkle forming work body is moved to the next field or to be stored in the storage after finishing the wrinkle forming work, Turned approximately 90 ° to the center and placed behind the tractor so that the hook forming work body is housed in the tractor width so that no part that protrudes beyond the width of the tractor is generated. Since the distance to the body is the turning radius, when the saddle-forming work body is placed behind the tractor, the amount protruding backward increases, resulting in a rear load, and the weight balance when the tractor is attached deteriorates, causing the front wheels to float. Therefore, there is a problem that the running balance becomes unstable.
[0004]
[Means for Solving the Problems]
In order to solve the above problems, a main frame mounted on the rear part of the tractor, a drive case having an input shaft that is driven and transmitted by a tractor PTO shaft provided in the main frame, and a transmission shaft that is driven by the drive case. A culvert forming work body including a power-transmitting rotating earthing device and a crease forming apparatus, and a support frame that rotatably supports the crease forming work body in a horizontal direction with respect to the drive case, the support frame being In the scissor forming machine that can rotate and fix the scissor forming work body at each of the forward work position, the reverse work position, or the retracted movement position where the scissor forming work body is located behind, the transmission shaft wherein the support frame telescopically constructed, the telescopic operation of the telescopic amount by remote control using the actuator and adjustable steplessly, the telescopically constructed support frame A fixing means that can fix the contraction amount at an arbitrary position is provided, and the position in the left-right direction can be adjusted by extending or contracting the support frame at the forward working position or the backward working position of the heel-forming working body. The wrinkle forming work body can be moved to the main frame side by contracting the support frame at the retracted movement position, and the rotation fixing is performed so that the wrinkle forming work body side and the main frame side are engaged at the most contracted end position. It is an object of the present invention to provide a wrinkle forming machine characterized in that the support frame can be kept rotating by providing means and holding the actuator in a contracted state .
[0005]
[Action]
By configuring as described above, it is possible to reduce the amount of rearward protrusion of the hook forming work body when the hook forming machine is mounted on the rear portion of the tractor and the hook forming work body is swung rearward and disposed at the moving storage position. It is possible to provide a wrinkle forming machine with improved tractor mounting balance during movement. Further, it is possible to adjust the amount of lateral protrusion of the heel-forming work body with respect to the tractor rear wheel during the heel-forming work.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is a plan view of a wrinkle forming machine according to the present invention during a forward operation, FIG. 2 is a drive transmission diagram of the wrinkle forming machine, FIG. 3 is an enlarged drive transmission diagram of a main part of the wrinkle forming machine, and FIG. FIG. 5 is a plan view of the coffin forming machine during reverse operation, FIG. 6 is a plan view of the coffin forming machine during movement storage, and FIG. 7 is an enlarged drive transmission of the main part according to another embodiment. Fig. 8 is a side view during forward operation with the coffin forming machine attached to the tractor. Fig. 9 is a side view during reverse operation with the coffin forming machine attached to the tractor. Fig. 10 is a side view during the reverse operation. It is the side view at the time of the movement storage with which it mounted | wore.
[0007]
1, 2 and 3, the overall configuration and drive transmission of the ridge forming machine embodying the present invention will be described. Reference numeral 1 denotes a main frame (not shown), which has a mounting mast 11 engaged with a mounting frame provided in a three-point link mechanism comprising a top link and a lower link provided at the rear of the tractor.
[0008]
Reference numeral 2 denotes a drive case, which is composed of a first drive case 21 and a second drive case 22 and is sandwiched and disposed between the main frames 1. The first drive case 21 has an input shaft 21a protruding forward, and power is transmitted from the tractor PTO shaft through a universal joint or the like (not shown). Further, the upper and lower surfaces of the first drive case 21 are provided with protruding fitting portions 21b and 21c, respectively.
[0009]
The second drive case 22 includes a fitted portion 22 a that is fitted on a protruding fitting portion 21 c provided on the lower surface of the first drive case 21 so as to be disposed below the first drive case 21. Is provided so as to protrude from the upper portion, thereby forming a rotation portion S1. A fitting portion 22b that protrudes downward is provided on the lower surface of the second drive case 22, and an intermediate output shaft 71 projects from one side surface.
[0010]
A is a ridge forming work body, and the culvert top surface earthing device 5 is disposed immediately after the digging device 3 and immediately before the culvert forming device 4. Further, an intermediate input shaft 72 for driving transmission to each of these devices projects in the horizontal direction together with the housing 73, and the outer periphery of the housing 73 has a fitting portion 73a.
[0011]
The earthing device 3 includes a crushing claw shaft 32 having a crushing claw 31 that crushes and flips up the side surface of the old crust, and a crushing claw driving case 33 that rotates and transmits the crushing claw shaft 32 by driving transmission from an intermediate input shaft 72.
[0012]
The cocoon forming device 4 includes a cocoon forming disk 41 that forms cocoons while rotating the mud that has been crushed by the embankment device 3, and a cocoon forming disk drive case 42 that rotationally drives the cocoon forming disk 41.
Furrow upper surface Kezudo device 5 is constituted by Kezudo nail shaft 52 having a Kezudotsume 51 to Kezudo the upper surface of the old ridge is disposed on the horizontal axis of the intermediate input shaft 72.
[0013]
Reference numeral 6 denotes a support frame, which is a frame that supports the flange-forming work body A in a horizontal direction from the drive case 2, and includes a fitted portion 61 a that fits the fitting portion 21 c that protrudes from the upper surface of the first drive case 21. And has an upper surface support bracket 61 that forms the rotation portion S2 and a fitted portion 62a that fits the fitting portion 22b that protrudes on the lower surface of the second drive case 22, thereby forming the rotation portion S3. The lower surface support bracket 62 is connected by a work body support frame 63 that has a fitted part 63a that fits with a fitting part 73a of a housing 73 provided in the heel forming work body A and forms a rotating part S4. Composed. Work support frame 63, upper support pipe 61b provided on upper support bracket 61, lower support pipe 62b provided on lower support bracket 62, upper support shaft 63b and lower support extending horizontally from work support frame 63 The shaft 63c is inserted, and can slide and extend in the horizontal direction.
[0014]
Further, an intermediate input shaft 72 provided on the heel-forming working body A is provided with power from an intermediate output shaft 71 projecting laterally from the second drive case 22 of the drive case 2 at a substantially central portion in the vertical direction of the support frame 6. The transmission shaft 7 is connected to the inner shaft 7a and is composed of an inner shaft 7a and an outer shaft 7b. The cross-sectional shape of the transmission shaft 7 is such that a polygonal rotational force can be easily transmitted, and it is fitted and stretched. It is free. The telescopic operation of the support frame 6 and the transmission shaft 7 configured to be telescopic can be performed by using an electric cylinder 64 as an actuator, and the electric cylinder 64 can be remotely operated by the control box B. The amount of lateral protrusion with respect to the rear wheel during the mounting operation can be adjusted, and the amount of protrusion when moving and retracting can be reduced by contracting the electric cylinder 64.
[0015]
Although the input shaft 21a is not shown in the figure, the drive transmission is received from the tractor PTO shaft via a universal joint or the like, and is transmitted to the vertical drive shaft 213 via the bevel gears 211 and 212 provided in the first drive case 21. . The vertical drive shaft 213 is vertically suspended inside the first drive case 21 and the second drive case 22 that are fitted in the vertical direction to be rotatable, and via bevel gears 221 and 222 provided in the second drive case 22, This is transmitted to the intermediate output shaft 71 protruding from one side surface of the second drive case 22.
[0016]
The power from the intermediate output shaft 71 is transmitted via the transmission shaft 7 to the intermediate input shaft 72 provided on the heel-forming work body A that is pivotally supported at the horizontal end of the support frame 6. The power transmitted to the intermediate input shaft 72 is transmitted through the chain 33c from the sprocket 33a provided inside the crushing claw shaft drive case 33 of the embankment device 3 to the sprocket 33b provided at the inner end of the crushing claw shaft 32. The crushing claw shaft 32 is rotated, and at the same time, the sprocket 42a provided in the inside of the cage forming disk drive case 42 of the cage forming device 4 is connected to the sprocket 42b provided at the inner end of the rotating shaft 43 of the cage forming disk 41 via the chain 42c. Power is transmitted to rotate the ridge forming disk 41.
[0017]
The heel height adjusting mechanism 8 uses expansion / contraction means, and can adjust the amount of rotation of the heel forming work body A before and after the expansion / contraction amount of the expansion / contraction means. In the present embodiment, the electric cylinder 81 is used as the expansion / contraction means, but there may be used an expansion / contraction means that expands / contracts by forward / reverse rotation of a hydraulic cylinder or a support to be screwed. The electric cylinder 81 can be remotely operated on the control box B. The disk-shaped resistance wheel W is used to pierce the outer peripheral surface of the disk into a field scene and to receive a reaction force applied to the cocoon forming work body from the heel side during the cocoon forming operation.
[0018]
FIG. 4 is a diagram of the ridge forming action, showing the positional relationship of the earthing device 3, the ridge forming device 4, and the ridge top surface earthing device 5 with respect to the old ridge when viewed directly from the rear in the traveling direction of the forward operation.
The crushed soil thrown from the embankment device 3 and the soil cut from the culvert top surface by the culvert top surface shaving device 5 are mixed and sent to the rear, and the culm formation disc 41 of the culm forming device 4 rotates to rotate the top and side surfaces of the culm. Soil is applied to form a pressure.
[0019]
FIG. 5 is a plan view during reverse operation, and FIG. 6 is a plan view during moving storage. A rotating part S1 provided at a connecting portion between the first drive case 21 and the second drive case 22, and upper and lower ends of the drive case 2 configured by connecting the first drive case 21 and the second drive case 22 to each other. The pivoting portions S2 and S3 provided at the connecting portion of the upper surface support bracket 61 and the lower surface support bracket 62 constituting the support frame 6 are slid so that the heel forming work body A supported by the support frame 6 is approximately 180 °. It can be turned and placed in the reverse working position.
[0020]
The storage position is fixed so that the hook forming work body A supported by the support frame 6 can be fixedly held at the forward operation position and the reverse operation position at the rear of the work position fixing means 9L, 9R and the tractor. The working position fixing means 9L and 9R are provided with fixing hooks 91L and 91R that pivot horizontally in the horizontal direction of the main frame 1 and are provided downward from the upper surface support bracket 61. The working position fixing pin 92 is engaged and fixedly held. The position where the fixed hook 91L and the work position fixing pin 92 are engaged is the reverse operation position, and the position where the fixed hook 91R and the work position fixing pin 92 are engaged is the forward operation position.
[0021]
The storage position fixing means 9 </ b> C includes a fixing plate 93, which is notched rearward in a substantially U shape on the rear side surface of the first drive case 21, and a storage position fixing pin provided downward from the upper portion of the work body support frame 63. 94 is engaged and fixedly held by sliding the hook forming work body A forward in the horizontal direction. At this time, the engagement is not released by holding the electric cylinder 64 in a contracted state.
[0022]
Further, in FIG. 7, a means for adjusting the lateral protrusion amount of the ridge forming work body A is shown as another embodiment. A stopper hole 61c is provided in the upper surface support pipe 61b provided in the upper surface support bracket 61 fitted to the upper side of the second drive case 22, and the upper support shaft 63b provided in the work body support frame 63 is operated by the hook forming work body A. A plurality of working position holes 65 are provided so that the amount of lateral protrusion at the time can be adjusted by several steps, and a moving storage hole 66 is provided so that the rear protruding amount at the time of moving storage can be reduced. By aligning the stopper hole 61c and the work position hole 65 and inserting a penetrating stopper pin 67, the hook forming work body can be fixed to the side at an arbitrary position. Further, the hook forming work body A is swung back approximately 90 ° so that the stopper hole 61c provided in the upper surface support pipe 61b and the movable storage hole 66 provided in the upper support shaft 63b are aligned and fixed by the stopper pin 67 passing therethrough. There is also.
[0023]
The working state will be described with reference to FIGS.
The mounting mast 11 provided in the saddle forming machine is engaged with the mounting frame T3 provided in the three-point link mechanism including the top link T1 and the lower link T2 provided at the rear portion of the tractor T, and is connected to the tractor. When the mounting frame T3 is tilted forward, the wrinkle forming machine is also tilted forward. At this time, by extending the electric cylinder 81 that supports the support frame 6 and the heel-forming work body A, as shown in FIG. Further, during reverse operation, the working posture is ensured as shown in FIG. 9 by contracting the electric cylinder 81.
[0024]
FIG. 10 is a side view of the state in which the ridge forming work body A is fixedly held at the movable storage position, and the rearward protrusion amount is reduced from the position X of the conventional heel forming work body A not provided with the expansion / contraction means.
[0025]
【effect】
By constructing as described above, a kite forming machine that can reduce the amount of rearward projection of the kite forming work body, improves the tractor mounting balance during movement, and can be mounted on a low horsepower tractor. Can be provided.
In addition, since the amount of lateral protrusion of the rod forming work body during forward operation and reverse operation can be adjusted, it is possible to provide a rod forming machine capable of performing the rod forming operation in accordance with the tractor tire width which varies depending on various tractors. .
[Brief description of the drawings]
[Fig. 1] Plan view during forward operation of the ridge forming machine [Fig. 2] Drive transmission diagram of the ridge forming machine [Fig. 3] Enlarged drive transmission diagram of the main part of the ridge forming machine [Fig. 4] Fig. 5 A plan view of the coffin forming machine during reverse operation. Fig. 6 A plan view of the coffin forming machine during storage. Fig. 7 An enlarged drive transmission diagram of the main part according to another embodiment. ] Side view during forward operation with the coffin forming machine attached to the tractor [FIG. 9] Side view during reverse operation with the coffin forming machine attached to the tractor [FIG. 10] Mobile storage with the coffin forming machine attached to the tractor Side view [Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Main frame 11 Mounting mast 2 Drive case 21 1st drive case 211,212 Bevel gear 213 Vertical drive shaft 21a Input shaft 21b, 21c Fitting part 22 2nd drive case 221,222 Bevel gear 22a Fit part 22b Fitting part 3 Claying device 31 Crushing claw 32 Crushing claw shaft 33 Crushing claw drive case 33a, 33b Sprocket 33c Chain 4 Claw-forming device 41 Claw-forming disc 42 Claw-forming disc drive case 42a, 42b Sprocket 42c Chain 43 Rotating shaft 5 51 Chamfering Claw 52 Crushing Claw Shaft 6 Support Frame 61 Upper Surface Support Bracket 61a Mated Part 61b Upper Surface Support Pipe 61c Stopper Hole 62 Lower Surface Support Bracket 62a Mated Part 62b Lower Surface Support Pipe 63 Workpiece Support Frame 63a Mated Part 63b Upper support shaft 63c Lower support 64 Electric cylinder 65 Working position hole 66 Moving storage hole 67 Stopper pin 7 Transmission shaft 7a Inner shaft 7b Outer shaft 71 Intermediate output shaft 72 Intermediate input shaft 73 Housing 73a Fitting portion 8 Height adjustment mechanism 81 Electric cylinders 9L, 9R Position fixing means 9C Storage position fixing means 91L, 91R Fixing hook 92 Work position fixing pin 93 Fixing plate 94 Storage position fixing pin A Wrinkle forming work body B Control box S1, S2, S3, S4 Rotating part T1 Top link T2 Lower link T3 Mounting frame T4 Universal joint W Resistance wheel X Position of the conventional wrinkle forming work body

Claims (1)

A main frame mounted on the rear portion of the tractor; a drive case having an input shaft that is driven and transmitted by a tractor PTO shaft provided in the main frame; and a banking device that is rotated by the power transmitted from the drive case by the transmission shaft; A wrinkle forming work body including a wrinkle forming device and a support frame that supports the wrinkle forming work body so as to be rotatable in a horizontal direction with respect to the drive case. In the scissors forming machine capable of rotating and holding at each of the forward work position, the reverse work position, or the retracted movement position where the scissor forming work body is located rearward, the transmission shaft and the support frame are configured to be extendable and retractable. and, the stretch operation the amount of expansion and contraction by remote control using the actuator and adjustable steplessly, telescopically in constructed supporting frame fixable telescoping amount at an arbitrary position The fixing means is provided, and the horizontal position can be adjusted by extending and contracting the support frame at the forward operation position or the reverse operation position of the hook-forming work body, and the support frame is adjusted at the retracted movement position. By shrinking, the wrinkle forming work body can be moved to the main frame side, and a rotation fixing means for engaging the wrinkle forming work body side and the main frame side at the most contracted end position is provided so that the actuator is in a contracted state. A wrinkle forming machine characterized in that the rotation of the support frame can be held by holding .

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