JP2005151874A - Mobile carriage device of agricultural implement to be linked to tractor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a stand of a large agricultural implement to be linked to a tractor to be easily detached without human power. <P>SOLUTION: The agricultural implement to be linked to the tractor has an engaging body to be engaged with an engage-receiving part of a mobile carriage device. The mobile carriage device is constituted of a self-supported movable frame obtained by attaching some casters, a supporting frame stood on the frame, and an engaging means installed in the top part of the supporting frame. The mobile carriage device of the agricultural implement linked to the tractor supports the agricultural implement by the engaging means of the mobile carriage device in a hung state lifted from the ground. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a mobile cart device for an agricultural machine to be mounted on a tractor.

Conventionally, agricultural machines connected to tractors such as scrapers and paddy coaters are detachably attached to the left and right sides of the main body of the agricultural machine so that they can be easily moved and stored in the warehouse. The farm machine body is supported by the attached stand in a state where it is lifted from the ground. (Patent Document 1)
Japanese Patent No. 3457567

  However, in recent years, as agricultural machinery has become larger and more complex, the stand with casters has been strengthened to support the larger agricultural machinery, and the weight has become heavier. It was sometimes dangerous work.

  The present invention has been made in view of this point, and in a large-sized agricultural machine, it is easy to attach and detach the stand regardless of human power during the lifting operation when the tractor's three-point link hitch or quick coupler is connected. It is what.

  In order to solve the above-mentioned problems, a frame that can be moved independently by attaching a plurality of casters, a support frame that stands on the frame, and a farm work that is connected to a tractor at the top of the support frame A mobile cart device having an engagement means for the machine, and the farm work machine is provided with an engagement body that engages with the engagement means of the mobile cart device. A moving cart device for an agricultural machine connected to a tractor is provided in which the engaging means of the moving cart device supports the agricultural machine in a suspended state lifted from the ground when it is detached from the tractor. In the mobile cart device described above, the mounting posture of the work machine can be independently adjusted in a state where the farm work machine is engaged with the engaging means of the mobile cart device.

  Since it was configured as described above, it was not necessary to lift and attach the stand of an agricultural machine that was becoming larger, and it was easy to store it in a warehouse. In addition, the agricultural machine can be easily attached to and detached from the tractor.

  The configuration will be described based on the drawings in which the present invention is implemented. 1 is an external side view of the present invention, FIG. 2 is a perspective view of a movable carriage device, FIG. 3 is an explanatory view of an engaging means, FIG. 4 is an explanatory view of releasing a stopper of the engaging means, and FIG. An example is shown.

  In FIG. 1, reference numeral 2 denotes an agricultural machine. In this embodiment, a basket coater is shown. Reference numeral 8 denotes a mounting frame, which is provided with a top bracket 18 and left and right lower pins 19. Behind the mounting frame 8, a machine frame body 7 is connected to provide a disk for padding and a pre-processing machine for overlaying. In this embodiment, a state in which the glazed portion is rotated backward with respect to the tractor traveling direction with respect to the mounting frame 8 is shown.

  Reference numeral 4 denotes an engaging body, which protrudes from both sides of the machine frame 7 showing the working portion and has a square cross section. Reference numeral 3 denotes a moving carriage device, in which an engagement receiving portion 6 constituting a fixing means 5 is fitted and fixed to the engaging body 4 of the agricultural machine 2 described above. When engaged with the engagement receiving portion 6 of the mobile carriage device 3, the farm machine is set to be supported in a suspended state lifted from the ground.

  Reference numeral 1 denotes a quick hitch, which is connected to a three-point link hitch of a tractor (not shown). The quick hitch 1 is connected to the top bracket 18 and the left and right lower pins 19 of the mounting frame 8 of the agricultural machine 2 described above, and utilizes the lifting action of the tractor three-point link hitch.

  In the state of FIG. 1, the quick hitch 1 in a state where the engaging body 4 of the agricultural work machine 2 is first lowered so as to be fitted into the engaging receiving portion 6 of the movable carriage device 3 and is fixed by the fixing means 5. Is further lowered, the mounting portion is detached from the lower pin 19 and the top bracket 18. After detaching from the tractor, the engagement receiving portion 6 of the mobile cart device 3 is supported and fixed in a state where the farm work machine 2 is lifted from the ground, and the mobile cart device 3 is movable.

  The movable carriage device 3 shown in FIG. 2 is movable in a self-supporting manner with a pair of casters 20 attached to a frame 9 and a support frame 10 standing upright to form a left-right symmetry. Reference numeral 11 denotes an expansion / contraction device that spans between the back surface of the support frame 10 and the base frame 9. In this embodiment, a turnbuckle is used, and the angle of the support frame 10 is changed by changing the positions of the holes provided in the base frame 9. You can change the height. Reference numeral 12 denotes a connecting frame for connecting the frame 9 to the left and right, 21 is a receiving plate on which agricultural work is placed, and is configured integrally with the left and right. The receiving plate 20 and the connecting frame 12 can be detached and disassembled, and can be compact when not needed. To store. Reference numeral 5 denotes a fixing means, which supports and fixes the engaging body 4 of the agricultural machine fitted in the engaging receiving portion 6. Reference numeral 22 denotes a handle, which is used when the agricultural machine 2 is placed and fixed and then stored in a warehouse or when used as a general cart.

  In FIG. 3, the engagement receiving portion 6 is U-shaped, and when the engagement body 4 having a square cross section is inserted, the weight of the farm work machine 2 is held in a suspended state. When the engaging body 4 descends from above, it comes into contact with the inclined surface of the stopper pin 13 of the fixing means 5, and the stopper pin 13 is once compressed and restored by the elastic force of the coil spring 14 after the engaging body has passed. Fix the top surface of.

  FIG. 4 illustrates the stopper release of the engagement receiving portion 6. When the agricultural work machine 2 is connected to the three-point link hitch of the tractor, the fixing means of the mobile carriage device 3 is released in advance. That is, as shown in FIG. 4, after the support shaft 15 of the stopper pin 13 is pulled out by the hook 17, the hook 17 is pressed against the notch 16 to maintain the fixed release state. After this, when the top bracket 18 is hooked and raised by the quick hitch 1 on the tractor connection side, the left and right lower pins 19 are engaged, and when further moved up and down, the agricultural machine is completely detached from the mobile carriage device 3. Thereafter, the movable carriage device 3 is moved and stored by a caster. When unnecessary, the telescopic device 11 can be removed and the connecting frame 12 can be disassembled for compact storage.

  FIG. 5 shows another embodiment, in which the movable carriage device 3 of the present invention is incorporated into a scraping device constructed in three parts and folded upward. The engagement body 4 is disposed symmetrically on the front horizontal frame of the wide scraping device, and the movable carriage device 3 is fitted to the engagement body 4. Reference numeral 1 denotes a quick hitch provided at the tip of the three-point link hitch of the tractor as described above. If necessary, the height and angle of the support frame 10 are adjusted by expanding and contracting the expansion device 11.

  With the above configuration, when the tractor operator disengages the agricultural machine from the tractor, the self-supporting mobile carriage device of the present invention is moved by the caster to position the engaging means below the engaging body on the agricultural machine side. . Next, when the three-point link hitch, which is the mounting part of the tractor, is lowered to engage the engaging body of the agricultural machine with the engagement receiving part, the agricultural machine is supported in a suspended state lifted from the ground, and the three-point link The hitch attachment is free and easily disengaged. At the same time, since the work implement is fixed to the engagement receiving portion of the movable carriage, it is safe to move. In addition, when moving and storing, the balance of the center of gravity is stabilized by adjusting the expansion / contraction means and lowering the main body of the agricultural machine and placing it on the receiving plate of the underframe.

  Again, when connecting the agricultural machine on the mobile trolley device to the three-point link of the tractor, release the fixing means of the mobile trolley device in advance, attach the hitch of the three-point link to the mounting part of the agricultural machine and raise it Then, the agricultural machine is detached from the engagement receiving portion of the stand device. Further, by adjusting the expansion / contraction means as required, the mounting posture of the work implement can be optimally adjusted with respect to the mounting portion at the rear of the tractor.

External side view of the present invention Perspective view of mobile cart device Explanatory drawing of engaging means Stopper explanatory drawing of engaging means Other examples

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Quick hitch 2 Agricultural work machine 3 Moving cart apparatus 4 Engagement body 5 Fixing means 6 Engagement receiving part 7 Machine frame body 8 Mounting frame 9 Base frame 10 Support frame 11 Telescopic device 12 Connection frame 13 Stopper pin 14 Coinval 15 Support shaft 16 Notch Portion 17 Hook 18 Top bracket 19 Lower pin 20 Caster 21 Receiving plate 22 Handle

Claims (2)

  A frame that can be moved independently by attaching a plurality of casters, a support frame that stands upright on the frame, and an engaging means for an agricultural machine connected to the tractor at the top of the support frame The mobile cart device includes an engaging body that engages with the engaging means of the mobile cart device, and the mobile cart device is engaged with the engaging device and separated from the tractor. A moving cart device for an agricultural machine connected to a tractor, wherein the engaging means supports the agricultural machine in a suspended state lifted from the ground. The mobile trolley apparatus of the agricultural machine connected to the tractor according to claim 1, wherein the agricultural machine is configured to be capable of independently adjusting the mounting posture of the work machine in a state where the agricultural machine is engaged with the engaging means of the mobile trolley apparatus.

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