JP4285686B2 - Cocoon forming machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an improvement in a tractor mounting balance of a scissor forming machine having a horizontal rotation mechanism that does not generate a scissor forming unworked portion.
[0002]
[Prior art]
As a prior art, a tractor-side frame connected to a tractor, and a tractor-side frame that is rotatably connected at one end side to the tractor-side frame and that can be pivotally adjusted around a vertical rotation center axis on the one end side. One end side of the connecting arm body is connected to the other end side of the first connecting arm body so as to be rotatable, and the second connecting arm is capable of adjusting the rotation about the vertical rotation center axis on the one end side. A body, a work side frame connected to the other end of the second arm body, and a rotation adjustment centered on the rotation center axis of the first connection arm body attached to the work side frame Further, by adjusting the rotation of the second connecting arm body about the rotation center axis, it is possible to perform the earth work based on the forward work posture capable of earth work based on the forward travel of the tractor and the tractor reverse travel. Recession Are known agricultural machine is characterized in that a soil working means which is set to work position. (Patent Document 1)
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 2002-17110
[Problems to be solved by the invention]
According to the above-described prior art, in order to dispose the cage forming work body, which is a soil work means, at the desired work position of the forward work position and the reverse work position, first, the one connecting portion between the tractor side frame and the first arm body. Rotate a predetermined amount about the first rotation center axis, and then rotate a predetermined amount about the second rotation center axis, which is the connecting part of the first arm body and the second arm body. For this reason, there is a problem that it is troublesome and the operation cannot be performed smoothly because two rotation operations are required until the wrinkle forming work body is arranged at a desired work position.
[0005]
In addition, when only the first arm body is turned to the non-working position in which the hook-forming work body is disposed rearward, the amount of protrusion to the rear of the tractor is large, and the tractor front-rear balance during traveling between the fields is deteriorated, which is dangerous. .
[0006]
Therefore, the present invention simplifies the configuration for horizontally rotating the kite formation working body, reduces the rearward protrusion amount during traveling and improves the tractor front-rear balance, and performs the kite forming operation during forward traveling of the tractor. It is an object of the present invention to provide a kite forming machine that can be arranged at a forward working position and a reverse working position in which the kite forming work is performed in reverse traveling.
[0007]
[Means for Solving the Problems]
In order to solve the above-described problems, a mounting frame to be mounted on the tractor, a forward work position where the hook-forming work body is subjected to the hook-forming work based on the tractor forward travel, and the tractor reverse travel based on the mounting frame. In the saddle former having a reverse working position for performing the forming work and a horizontal rotation mechanism that is arranged behind the tractor and can be placed at the moving traveling position during non-working,
Displacement means for displacing the center of gravity position of the heel-forming work body arranged at the rear, which is the moving travel position, to the tractor side in conjunction with the rotation operation, the displacement means is arranged in front of the mounting frame and the mounting mast and the input shaft. The base of the support frame, which is provided with a hook forming work body on the outer side at the rear part of the mounting frame, is pivotally supported on a vertical axis to form a horizontal turning mechanism, and the hook forming work body Is configured to be slidable with respect to the support frame. A guide groove is opened in the mounting frame, and a guide member that engages with the guide groove is provided in the heel-forming work body, thereby interlocking with the rotation operation of the support frame to form a heel. Even if the work body is arranged behind the tractor of the heel-forming work body when moving and traveling during non-working with a simple configuration, the work body is a displacement means that displaces the center of gravity position of the heel-forming work body along the guide groove. To Tractor longitudinal balance becomes possible to reduce the volume is improved.
[ 0008 ]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a plan view of a wrinkle forming machine according to the present invention during a forward operation, FIG. 2 is a side view of the same wrinkle forming machine during a forward operation, and FIG. 4 is a plan view of the coffin forming machine when not working, FIG. 5 is an operation diagram showing the rotation operation of the coffin forming machine, FIG. 6 is a side view of the coffin forming machine when not working, and FIG. It is an effect | action figure which shows rotation operation | movement in an Example.
[ 0009 ]
One embodiment of the ridge forming machine A according to the present invention will be described with reference to FIGS. The scissor forming machine A supports the scissor forming work body 2 in the horizontal direction, the mounting frame 1 having the tractor mounting part, the scissor forming work body 2 for performing the scissor forming work, and the forward working position. And a support frame 3 that is horizontally rotatable so that it can be placed at the reverse work position and the moving travel position, a displacement means 4 that displaces the center of gravity position of the heel-forming work body 2 with respect to the mounting frame 1, and a desired work position. It is comprised from the work position locking means 5 which fixes and hold | maintains the arrange | positioned wrinkle formation work body 2.
[ 0010 ]
The mounting frame 1 includes a main frame 11, a U-shaped base 12 opened rearward in a side view, and side plates 13 and 13 provided at both ends of the main frame 11 and the base 12 to form a rectangular frame in plan view. The A mounting mast 14 is provided in front of the mounting frame 1 on the tractor side, and is connected to a tractor three-point link mechanism (not shown).
[ 0011 ]
The mounting mast 14 includes a top link bracket 14T connected to the top link of the tractor three-point link mechanism and lower link brackets 14L and 14R having lower link pins connected to the lower link.
[ 0012 ]
Rotating bosses 12c and 12c are provided on the upper surface plate 12a and the lower surface plate 12b of the base 12 formed in a U shape behind the mounting frame 1 so as to pass through the rotation holes coaxially in the vertical direction when viewed from the side. is there. Further, an input shaft 15 that is rotatably supported toward the front side of the tractor is provided at the lower front portion of the mounting frame 1 in the front side view and in the center portion in the plan view. A universal joint (not shown) is connected to the front end portion of the input shaft 15, and a driving force is input from the tractor PTO shaft through the universal joint to perform the wrinkle forming operation.
[ 0013 ]
The ridge forming work body 2 includes a transmission case 21 that extends in the front-rear direction in plan view and is formed in a thin shape in a side view, a banking device 22 that is driven and transmitted by the transmission case 21, a ridge upper surface cutting device 23, The wrinkle forming devices 24 are sequentially arranged from the front in the working direction.
[ 0014 ]
A work input shaft 21a protrudes from the inner side surface on the tractor side at the apex portion of the transmission case 21 formed in the shape of the heel-forming work body 2, and a chain device is provided inside the case. In the plan view, a banking drive shaft 22a for driving the banking device 22 in front of the plan view and a ridge-forming driving shaft 24a for driving the ridge-forming device 24 are provided at the rear, and are driven to rotate by the chain device. In addition, it has a saddle upper surface cutting drive shaft 23a that is positioned coaxially with the work input shaft 21a and drives the saddle upper surface cutting device 23.
[ 0015 ]
The work input shaft 21a is connected to a rear end portion of the input shaft 15 provided in the mounting frame 1 by a drive transmission means that can be expanded and contracted. This drive transmission means uses a double wide-angle joint 16 that can be expanded and contracted. The use of the double wide-angle joint 16 is advantageous because the drive input can be easily transmitted even in a configuration in which the work input shaft 21a of the heel-forming work body 2 and the input shaft 15 are orthogonal to each other.
[ 0016 ]
The embankment device 22 is configured by providing a plurality of embankment claws 22c on the embankment rotor shaft 22b that can be attached to and detached from the embankment drive shaft 22a.
[ 0017 ]
The dredging surface cutting device 23 is configured by providing a plurality of dredging surface claw 23c on a cutting rotor shaft 23b that can be attached to and detached from the dredging surface cutting drive shaft 23a. The soil is mixed with the embankment spun up by the embankment device 22 and sent backward.
[ 0018 ]
The wrinkle forming device 24 includes a conical wrinkle side surface forming disk 24b that forms a wrinkle side surface that can be attached to and detached from the wrinkle forming drive shaft 24a, and a cylindrical shape that faces outward from the vicinity of the apex of the wrinkle side surface forming disk 24b. By forming a combination of the upper surface forming roller 24c and mixing the embankment device 22 and the upper surface earthing device 23, the embankment is subjected to a painting operation.
[ 0019 ]
The support frame 3 includes an arm body 31a having a rectangular cross-sectional shape, a support arm 31 including a pivot boss 31b having a pivot hole vertically penetrated at one end portion of the arm body 31a, and the hook forming operation. It comprises a support bracket 32 that sandwiches and suspends the transmission case 21 of the body 2.
[ 0020 ]
The support bracket 32 includes a support pipe 32a having a rectangular opening having the same shape as the rectangular cross section of the arm body 31a, and a work input shaft extending downward from the support pipe 32a and protruding from both left and right side surfaces of the transmission case 21. Support plates 32b and 32b that rotatably support the outer peripheral portion of the upper surface cutting output shaft 23a in a front-rear direction and a guide pin 32c that is a guide member projecting downward from the support pipe 32a. Consists of
[ 0021 ]
The rotation hole opened in the rotation boss 31b of the support arm 31 and the rotation holes of the rotation bosses 12c and 12c provided in the base 12 of the mounting frame 1 have the same shape and coincide with the axis of the rotation hole. The support frame 3 is pivotally supported so as to be rotatable in the horizontal direction in a plan view by inserting the rotation shaft 33 serving as a vertical axis.
[ 0022 ]
The support pipe 32a of the support bracket 32 is fitted into the arm body 31a of the support arm 31, and the support bracket 32 is slidable in the longitudinal direction of the support arm 31. In addition to being suspended at the outer end, the heel forming work body 2 is slid with respect to the longitudinal direction of the support arm 3 so that the suspended position can be displaced.
[ 0023 ]
The saddle-forming work body 2 suspended from the support arm 3 has a forward work position based on the forward travel of the tractor and a reverse work position based on the backward travel of the tractor as shown in FIG. Then, as shown in FIG. 4, it is possible to dispose the bag forming work body 2 at the moving travel position where the body 2 is disposed behind the tractor. In addition, an extendable actuator is installed between the support pipe 32a and the transmission case 21 that is sandwiched so as to be pivotable back and forth. The actuator is a drive device that converts energy into translational or rotational motion by hydraulic pressure or an electric motor. In this embodiment, an electric hydraulic cylinder 25 is used.
[ 0024 ]
The transmission case 21 that is sandwiched between the support brackets 32 and can be rotated in the front-rear direction as viewed from the side, that is, the rod-forming work body 2, is formed by the electrohydraulic cylinder 25 installed on the support bracket 32 and the transmission case 21. It is possible to regulate the heel formation height by restricting the back-and-forth rotation of 2, and although not shown, the tractor driver can remotely control the heel-forming work body 2 with a control box disposed in the vicinity of the tractor driver seat. It becomes possible to set the height of the ridge.
[ 0025 ]
Further, the double wide-angle joint 16 serving as the drive transmission means follows the change in position of the horizontally-folded wrinkle forming work body 2 while expanding and contracting, and changes in the relative angle between the input shaft 15 and the work input shaft 21a. Therefore, it is possible to easily transmit the drive in an agricultural working machine such as a wrinkle forming machine that rotates horizontally and changes the work position.
[ 0026 ]
The displacing means 4 displaces the position of the center of gravity of the ridge-forming work body 2 that is slidable in the longitudinal direction of the support frame 3, and the arc-shaped elongated hole is formed in the lower surface plate 12 b of the base 12 constituting the mounting frame 1. The guide groove 41 is opened. The guide groove 41 opened in an arc shape is provided with the center of the opening radius in front of the rotation center of the support frame 3, and the pipe body 32 a of the support bracket 32 for suspending the flange forming work body 2 in the guide groove 41. A guide pin 32c, which is a guide member projecting further downward, is engaged, and the hook forming work body 2 suspended by the support bracket 32 as the support frame 3 rotates is supported along the guide groove 41. The support arm 31 of the frame 3 is configured to slide.
[ 0027 ]
The working position locking means 5 includes a lock pin 51 that is slidably attached to the arm body 31a of the support arm 31 so as to penetrate the arm body 31a in a vertical direction and protrude from the lower surface, and an operation lever 52 that performs the vertical movement operation of the lock pin 51. Composed. By rotating the operation lever 52 downward, the lock pins 51 are engaged with and disengaged from the work position lock holes 53a, 53b, 53c opened at three positions on the lower surface of the base 11 of the mounting frame 1, and are arranged at arbitrary work positions. It can be fixed.
[ 0028 ]
The working position lock hole 53a opens on the right side of the lower surface of the base 11 on a right side in a plan view on a circular arc having a radius connecting the axis of the lock pin 51 with the rotation shaft 33 as a center. By inserting the lock pin 51, the hook forming work body 2 is fixed at the forward work position where the hook forming work is performed based on the forward travel of the tractor.
[ 0029 ]
The work position lock hole 53b opens at a position that is phased 90 ° from the work position lock hole 53a, and the lock pin 51 is inserted into the work position lock hole 53b, so that the hook forming work body 2 is moved to the rear of the tractor. Fix the mobile travel position to be placed.
[ 0030 ]
The work position lock hole 53c is opened at a position 180 ° from the work position lock hole 53a, and the lock pin 51 is inserted into the work position lock hole 53c, so that the rod-forming work body 2 travels backward in the tractor. Based on the above, it is fixed at the reverse work position where the wrinkle forming work is performed.
[ 0031 ]
In this way, by horizontally rotating one support frame 3 around one rotation shaft 33 as a rotation shaft fulcrum, the hook is formed at the desired work position or at the rear of the tractor at the time of non-work at one turn. The body 2 can be arranged.
[ 0032 ]
Based on FIGS. 5 and 6, the action of the displacing means 4 that slides the ridge-forming work body 2 in conjunction with the horizontal rotation operation of the support frame 3 will be described. First, the desired work position is set as the forward work position a, and the hook forming work body 2 is arranged so as to protrude rightward with respect to the tractor.
[ 0033 ]
A guide pin 32c projecting downward from the support bracket 32 that supports the flange forming work body 2 is engaged with a guide groove 41 having an arc-shaped long hole opened on the lower surface of the base 12 constituting the mounting frame 1. At the same time as the support frame 3 that suspends the hook forming work body 2 is horizontally rotated from the forward work position a, the hook forming work body 2 starts to slide gradually toward the tractor along the guide groove 41.
[ 0034 ]
The guide groove 41 having an arc-shaped long hole opened in the bottom plate 12b of the base 12 constituting the mounting frame 1 is provided with the center Ga of the opening radius R of the guide groove 41 provided in front of the rotation center Gb of the support frame 3. By doing so, when the support frame 3 reaches a position protruding backward with respect to the tractor, that is, a moving travel position b during non-working, a hook-forming work body 2 ′ fixed at the outer end with respect to the conventional support frame 3. On the other hand, the heel-forming work body 2 is slid forward by the slide amount L, and the center of gravity is displaced forward at the tractor side.
[ 0035 ]
Further, when the support frame 3 is horizontally rotated, the guide pin 32c protruding below the support bracket 32 is supported by the support bracket 32 along the guide groove 41, and the heel forming work body 2 slides outward to support it. When the frame 3 is disposed at a position protruding leftward with respect to the tractor, the rod forming work body 2 suspended from the support frame 3 becomes the reverse operation position c based on the reverse travel of the tractor.
[ 0036 ]
FIG. 7 shows another embodiment of the displacement means 4. The guide groove 42 opened on the lower surface of the base 12 constituting the mounting frame 1 includes an arc opening 42a provided with an opening radius center Ga in front of the rotation center Gb of the support frame 3, and an opening radius of the arc opening 42a. R is formed from horizontal openings 42b and 42b that are opened to the left and right outwards from the intersection of the horizontal center line of the rotation center Gb of the support frame 3, and below the support bracket 32 that suspends the ridge forming work body 2. The hook forming work body 2 that is suspended by the support bracket 32 as the projecting guide pin 32 c is engaged and the support frame 3 rotates is slid along the guide groove 41. It is configured to
[ 0037 ]
The support frame 3 protrudes laterally with respect to the tractor, and the guide pin 32c of the support bracket 32 that supports the rod-forming work body 2 at the forward operation position a and the reverse operation position c and is slidable with respect to the support arm 31 is provided as a guide groove. 42, the horizontal opening 42b of the support frame 3 can be moved in the horizontal direction, that is, the wrinkle forming work body 2 can be moved in the horizontal direction, and a plurality of adjustment holes 43 are formed in the support arm 31 of the support frame 3 in the vertical direction. The positioning hole 44 opened in the vertical direction is aligned, and the positioning pin 45 is inserted and fixedly held to adjust the amount of lateral protrusion with respect to the tractor, and the alignment of the heel forming position is easy Can be performed.
[ 0038 ]
【The invention's effect】
As described above, one support frame is horizontally rotated using one rotation shaft as a rotation shaft fulcrum, and the rod-forming work body is arranged behind the tractor when the rotation operation is performed once or at a desired work position or not. This makes it possible to simplify the structure of the rotating part, and by providing a displacement means that works in conjunction with the horizontal rotating operation of the saddle-forming work body, the saddle-forming work body can be placed behind the tractor during traveling when not working. Even if it is disposed in the rear, the amount of rearward protrusion can be reduced, and the tractor front-rear balance is improved.
[ 0039 ]
Also, by extending the opening shape of the guide groove in the horizontal direction, it becomes possible to slide the ridge-forming work body to the left and right, making it possible to adjust the amount of lateral protrusion with respect to the tractor and improving matching to the tractor. . Further, the position of the cocoon formation position can be easily adjusted, and the tractor does not turn back to adjust the position of the cocoon formation in the field, so that the field is not damaged.
[Brief description of the drawings]
[Fig. 1] Plan view during forward operation of the coffin forming machine according to the present invention [Fig. 2] Side view during forward operation of the coffin forming machine [Fig. 3] Plan view during reverse operation of the coffin forming machine [ [Fig. 4] Plan view of the coffin forming machine when not working [Fig. 5] Action diagram showing the rotational movement of the coffin forming machine [Fig. 6] Side view of the coffin forming machine when not working [Fig. 7] Others Action diagram showing the rotational movement in the embodiment
DESCRIPTION OF SYMBOLS 1 Mounting frame 11 Main frame 12 Base 12a Upper surface plate 12b Lower surface plate 12c Rotating boss 13 Side plate 14 Mounting mast 14T Top link bracket 14L, 14R Lower link bracket 15 Input shaft 16 Double wide angle joint 2 畦 forming work body 21 Transmission case 21a Work Input shaft 22 Embankment device 22a Embankment drive shaft 22b Embankment rotor shaft 22c Embankment claw 23 畦 Upper surface cutting device 23a 畦 Upper surface earthing drive shaft 23b Earth cutting rotor shaft 23c 畦 Upper surface earthing claw 24 畦 Formation device 24a畦 Side surface forming disk 24c 畦 Upper surface forming roller 25 Electric hydraulic cylinder 3 Support frame 31 Support arm 31a Arm body 31b Rotating boss 32 Support bracket 32a Support pipe 32b Support plate 32c Guide pin 33 Rotating shaft 4 Displacement means 41 Groove 42 guide groove 42a arc opening 42b horizontal opening 43 adjustment hole 44 positioning hole 45 positioning pin 5 work position lock means 51 lock pin 52 operation lever 53a, 53b, 53c work position lock hole A 孔 forming machine Ga opening radius center Gb Center of rotation L Slide amount R Opening radius

Claims (1)

A mounting frame to be mounted on the tractor, a forward work position for performing the heel forming work on the mounting frame based on the tractor forward travel, and a reverse work position for performing the heel forming work on the tractor backward travel. In the scissors forming machine provided with a horizontal rotation mechanism that is arranged behind the tractor and can be arranged at the moving travel position when not working,
Displacement means for displacing the center of gravity position of the heel-forming work body arranged at the rear, which is the moving travel position, to the tractor side in conjunction with the rotation operation, the displacement means is arranged in front of the mounting frame and the mounting mast and the input shaft. The base of the support frame, which is provided with a hook forming work body on the outer side at the rear part of the mounting frame, is pivotally supported on a vertical axis to form a horizontal turning mechanism, and the hook forming work body Is configured to be slidable with respect to the support frame. A guide groove is opened in the mounting frame, and a guide member that engages with the guide groove is provided in the heel-forming work body, thereby interlocking with the rotation operation of the support frame to form a heel. A wrinkle forming machine characterized in that the working body is a displacement means for displacing the center of gravity position of the wrinkle forming working body along the guide groove .

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