JPH089705A - Rotor-attaching apparatus of mobile farm machine - Google Patents

Abstract

PURPOSE:To provide a rotor-attaching apparatus of a mobile farm machine enabling easy removal of weeds wound on the tiller shaft of a mobile farm machine without hindering the tilling work. CONSTITUTION:This rotor-attaching apparatus is provided with an inner pipe 11 connected and fixed to a tilling shaft 1 extended sideways from the main body 20 of a mobile farm machine, a tilling pipe 12 covering the inner pipe and having a plurality of tilling claws 5a, 5b bolted to the tilling pipe, a short pipe 21 fitting to the inner pipe 11 and positioned at a side end of the tilling pipe 12, a side disk 14 integrally fixed to the short pipe 21, weeding shafts 15, 15 extending from proper radially separated positions of the side disk 14 toward the mobile farm machine main body and a link pin 13 positioned out of the side disk 14 and connecting the inner pipe 11 with the short pipe 21 in a state to enable free insertion and extraction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has a structure in which a rotor portion is attached to a cultivating shaft mounting portion in a cultivator as a mobile agricultural machine, and a cultivating shaft mounting shaft and a rotor are mounted at side end portions,
Further, the present invention relates to a rotor mounting device which facilitates attachment / detachment of the connecting pin between the rotor and the cultivating shaft mounting shaft and prevents winding of weeds around the mounting device.

[0002]

2. Description of the Related Art FIG. 9 shows a left side of a rotor portion of a conventional mobile agricultural machine, and actually a similar rotor portion is symmetrically mounted and fixed on the right side. That is, the cultivating shaft 1 is provided below the mobile agricultural machine.
The main pipe 2 is fixed to the pin using a pin 3 and a pine needle pin (not shown). A square plate 4a is welded and fixed to the main pipe 2.

A plurality of tillage claws 5a, 5a are fastened and fixed to the peripheral edge of the plate 4a with bolts 6, 6.
Further, an extension pipe 7 is fixed to the longitudinal end of the main pipe 2 by using a pin 3 and a pine needle pin 8. A rectangular plate 4b is also welded and fixed to the extension pipe 7, and a plurality of plowing claws 5 are attached to the peripheral edge of the plate 4b.
b and 5b are tightened and fixed using bolts 6 and 6, and further, a disk 9 having a disk shape is connected and fixed to the longitudinal end of the extension pipe 7 by using a pin 3 (not shown) and a pine needle pin (not shown). . A indicates the traveling direction of the mobile agricultural machine, and B indicates the rotation direction of each of the tillage claws 5a and 5b.

According to this structure, the mobile agricultural machine advances in the direction A shown in the figure by the driving force of the engine (not shown), and the driving force of the engine is transmitted to the lower rotor portion to cultivate the shaft shaft 1. , The main shaft 2, the extension pipe 7 and the tillage claws 5a, 5b rotate in the B direction, and the work for medium tillage or weeding is performed.

[0005]

However, in such a conventional rotor mounting structure for a mobile agricultural machine, a weed winding phenomenon occurs on the peripheral surfaces of the cultivating shaft 1 and the extension pipe 7 during cultivating work. There is a problem that the cultivation work is hindered with the passage of time.

Therefore, the operator is required to always remove the wound weeds, but in order to perform the weed removal work, the rotor portion must be removed from the cultivating shaft 1. First of all, for that purpose, the Matsuba pin 8
After removing the pin 3, the work of pulling out the pin 3 must be performed. However, since the weeds are entangled in the whole and cover the upper part of the pine needle pin 8, the work of removing the pine needle pin 8 and the work of removing the pin 3 require extremely complicated operations.
There is a drawback that it causes physical pain to the operator.

In response to the above, for example, as shown in FIG. 10, the square plate 10 is welded from both sides of the extension pipe 7 along the longitudinal direction to prevent the weed winding phenomenon. Means have also been implemented, but this method has some effect when the total length of the grass is short, but when the total length of the grass is longer than the rotation diameter of the plate 10, the plate 10 is changed over time. The same weed wrapping phenomenon occurs on the peripheral surface of, and it is indispensable for workers to remove weeds.

Therefore, the present invention solves the problem of the conventional weed winding prevention structure in the mobile agricultural machine as described above, and even if the weed winding phenomenon occurs on the peripheral surface of the cultivator shaft, the weeds are prevented. It is an object of the present invention to provide a rotor attachment device for a mobile agricultural machine that can easily remove the above-mentioned water and does not hinder the tillage work.

[0009]

In order to achieve the above object, the present invention provides, according to claim 1, a cultivating shaft shaft extending laterally from a mobile agricultural machine body, and the cultivating shaft shaft. An inner pipe that is fixedly connected and a plate that is arranged at a portion that covers the inner pipe and that has a plurality of tillage claws clamped and fixed to its peripheral edge are welded and fixed, and is formed shorter than the inner pipe. Cultivated pipe, a short pipe fitted on the inner pipe located at the side end of the cultivated pipe, a side disc integrally fixed to the short pipe, and a radial direction of the side disc. A weeding shaft that extends from an appropriate position in the direction of the moving agricultural machine main body, and a link pin that is located outside the side disc and that connects the inner pipe and the short pipe so that they can be inserted and removed. do it It is the construction of the rotor mounting apparatus in that the mobile agricultural machinery.

The cultivating shaft shaft, the inner pipe, and the cultivating pipe are made of a pipe material having a hexagonal cross section, and are set as a cultivator shaft that mutually prevents idling. or,
Two or more than two weeding shafts are provided.

Further, according to a fifth aspect of the present invention, a flange is formed at the end of the inner pipe on the side of the moving agricultural machine main body, and the weeding shaft is provided so as to extend laterally from the vicinity of the radial peripheral edge of the flange. According to claim 6, the cultivating pipe is slidably fitted to the cultivating shaft shaft extending long from the mobile agricultural machine main body to the lateral side, and the cultivating pipe is in the vicinity of the side end portion thereof. In addition, the side disc is integrally fixed to the rotor, and the rotor mounting device for the mobile agricultural machine is formed by extending the weeding shaft from a proper position in the radial direction of the side disk in the direction of the mobile agricultural machine body.

[0012]

According to the rotor mounting device of the first aspect, the rotational force of the tillage shaft that is rotated by the driving force of the engine is transmitted to the tillage claws through the inner pipe and the tillage pipe, and the tillage or weeding is performed. Although the target work progresses, most of the weeds are wrapped around the weeding shaft at this time, and when removing this weed, the short pipe with the side disk connected and fixed by pulling the link pin out of the short pipe. Can be removed from the inner pipe, the weeding shaft can be removed together with the side disk, and the winding condition of the weeds entwined around the outer peripheral surface of the cultivator shaft can be loosened, and the weeds can be removed in a short time.

According to the rotor mounting device of the fifth aspect,
If weeding occurs on the weeding shaft during work for cultivating or weeding, pull out the link pin from the cultivator shaft in the same manner as described above and insert the inner disc into the cultivating pipe with the side disks connected and fixed. The weeds that are entangled in the outer peripheral surface of the cultivator shaft can be easily removed.

Further, according to the rotor mounting apparatus of the sixth aspect, when the weeding phenomenon occurs on the weeding shaft in the same manner as described above, the side disks are connected and fixed by pulling out the link pin from the cultivator shaft. The cultivating pipe can be pulled out from the cultivating shaft, and the weeds tangled on the outer peripheral surface of the cultivating shaft can be easily removed.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A specific embodiment of a rotor mounting device in a mobile agricultural machine according to the present invention will be described below by assigning the same reference numerals to the same components as those of the conventional configuration. FIG. 1 is a cross-sectional view of an essential part of a cultivator shaft mounting portion and a rotor of a mobile agricultural machine to which the first embodiment of the present invention is applied, and 20 in the drawing is a mobile agricultural machine main body, and from the mobile agricultural machine main body 20 The tillage shaft 1 extends laterally. Reference numeral 11 denotes an inner pipe, and the inner pipe 11 is fixedly connected to the cultivating shaft 1 by a pin 3 and a pine needle pin 8.

A cultivating pipe 12 is arranged so as to cover the inner pipe 11, and rectangular plates 4a and 4b project from the cultivating pipe 12 in a direction perpendicular to the longitudinal direction of the cultivating pipe 12. It is fixed by welding. A plurality of tillage claws 5a, 5 are provided on the periphery of the plates 4a, 4b.
b is clamped and fixed using bolts 6 and 6.

As shown in the sectional view of the main part of FIG. 2, the cultivating shaft 1 and the inner pipe 11 and the cultivating pipe 12 are made of a pipe material having a hexagonal cross section to prevent the idling of each other. It is set to rotate as a cultivator shaft.

The cultivating pipe 12 is formed shorter than the inner pipe 11, and a short pipe 21 is slidably fitted on the inner pipe 11 located at the lateral end of the cultivating pipe 12. The disc-shaped side disc 14 is integrally fixed to the short pipe 21.
4 an appropriate position in the radial direction, in the illustrated example, the side disk 1
4, a pair of weeding shafts 15 and 1 extending from the side disk 14 in the direction of the moving agricultural machine body 20 is provided at a substantially central position.
5 is projected.

Reference numeral 13 is a link pin for connecting the inner pipe 11 and the short pipe 21 so as to be freely inserted and removed. The link pin 13 is located laterally with respect to the side disk 14, that is, outside the mobile agricultural machine main body 20. It is in. In this embodiment, an annular ring 16 is rotatably connected to the link pin 13, and the annular ring 16 is normally attached to the end of the cultivator shaft.

FIG. 3 is a perspective view of an essential part showing a protruding state of the weeding shafts 15, 15. Although two weeding shafts 15 are provided in the illustrated example, a plurality of weeding shafts 15 may be used. The link pin 13 has a function as a retaining pin for the short pipe 21 from the inner pipe 11.

The operation mode of the first embodiment having such a configuration will be described below. First, the operation of the agricultural machine main body 20 is started in accordance with the drive of the engine, and the agricultural machine main body 20 is operated as shown in FIG.
Direction, the rotation of the cultivating shaft 1 is driven by the engine to rotate the cultivating shaft 1 through the inner pipe 11 and the cultivating pipe 12 from the plates 4a and 4b to a plurality of cultivating claws 5a and 5a.
Then, the cultivating claws 5a and 5b rotate in the B direction, and the desired work for middle tillage or weeding proceeds. If weed winding occurs during such operation,
Most of the weeds are wound around the weeding shafts 15 and 15 and are prevented from being directly wound around the cultivator shaft.

When removing the weeds wound around the weeding shafts 15, 15, it is relatively easy to remove the weeds directly from the weeding shafts 15, 15 by hand.
When the winding state is severe, the link pin 13 is removed from the end of the cultivator shaft as shown by the arrow C in FIG.
Is pulled outside. FIG. 4 shows an enlarged method of operating the annular ring 16. Since the link pin 13 is located outside the side disc 14, the link pin 13
It is difficult for weeds to wrap around the periphery of the, and even if it wraps, the weeds can be easily removed.

When the link pin 13 is removed in this manner, the short pipe 21 to which the side disk 14 is connected and fixed can be removed from the inner pipe 11. Therefore, the pair of weeding shafts 15, 15 projectingly provided at a substantially central position in the radial direction of the side disc 14 can be removed together with the side disc 14, and as shown in the conceptual diagram of FIG. The wrapping state of the weeds 17 becomes gentle, and the weeds 17 can be removed easily and the removal work can be performed in a short time.

FIG. 6 is a cross-sectional view of an essential part for explaining the second embodiment of the present invention. Since the main constituent elements of the mobile agricultural machine are the same as those of the first embodiment, the same reference numerals are attached. Is displayed. In the second embodiment, the inner pipe 11
Form the flange 18 at the end of the mobile agricultural machine main body 20 side,
The flange 1 is provided in the vicinity of the peripheral edge of the flange 18 in the radial direction.
A pair of weeding shafts 15, 15 extending laterally from 8 are projectingly provided. The side disc 14 is integrally fixed to the cultivating pipe 12 without being separated. The other structure is the same as that of the first embodiment.

According to the second embodiment having such a configuration,
When weeding phenomenon occurs on the weeding shafts 15, 15 while the work for the purpose of plowing or weeding is in progress, the link pin 13 is pulled up by pulling the annular ring 16 in the same manner as above. Since it is pulled out from the shaft, the cultivating pipe 12 to which the side disks 14 are connected and fixed can be taken out from the inner pipe 11, and the action of removing the weeds entangled in the outer peripheral surface of the cultivator shaft in a short time can be obtained.

FIG. 7 is a cross-sectional view of an essential part showing a third embodiment of the present invention. In this embodiment, the inner pipe 1 in the first embodiment is shown.
1 is omitted, the cultivating shaft 1 is formed to be long like the inner pipe 11, and the cultivating pipe 12 is slidably fitted to the cultivating shaft 1. A disc-shaped side disk 14 is directly fixed to the transport pipe 12. A pair of weeding shafts 15, 15 extending in the direction of the moving agricultural machine body 20 are provided at a substantially radial center of the side disk 14 so as to project therefrom. Reference numeral 13 is a link pin for connecting the cultivating shaft 1 and the cultivating pipe 12 so as to be freely inserted and removed.

Even in the case of the third embodiment, when the weeding shafts 15 and 15 are wound with weeds while the work of the mobile agricultural machine is in progress, the link pin 13 is used as a tillage pipe. By pulling out from 12, the cultivating pipe 12 to which the side disks 14 are connected and fixed can be removed from the cultivating shaft 1, and the weeds entangled in the outer peripheral surface of the cultivator shaft can be removed in a short time.

In each of the above-mentioned embodiments, the purpose of middle tillage and weeding in the mobile agricultural machine has been explained with priority, but in the mobile agricultural machine, as shown in FIG. 8, the forward rotation D direction and the reverse rotation E of the tillage claws 5a, 5b are shown.
Despite the fact that the direction of rotation can be switched by lever operation, the right and left rotors must always be replaced when switching between forward rotation and reverse rotation because the rotor rotation direction of the cultivating section is constant. Therefore, even when weeds are wound around the rotor portion, the operator needs to perform the troublesome operation of pulling out the pin and detaching the rotor portion as described above. On the other hand, according to this embodiment, the rotor replacement work can be easily performed by pulling out the link pin 13 as shown by the arrow F.

[0029]

As described in detail above, according to the rotor mounting device in the mobile agricultural machine of the present invention, most of the weeds conventionally wound around the tillage shaft during the operation for the purpose of cultivating or weeding are main. Since it is wrapped around the weeding shaft in the invention, by removing the link pin to the outside of the short pipe when removing the weeds, the short pipe with the side disks connected and fixed can be pulled out from the inner pipe, and the weeding shaft can be removed together with the side disc. This makes it possible to remove weeds tangled on the outer peripheral surface of the cultivator shaft in a short time. Almost similar effects can be obtained in the second and third embodiments of the present invention.

Therefore, according to the present invention, since the laborious operation required for the operator to remove the weeds is unnecessary, the burden on the operator is remarkably reduced and the physical pain can be eliminated. In particular, even if a weed winding phenomenon occurs on the peripheral surface of the cultivator shaft during cultivating work, it can be immediately dealt with, so that a peculiar effect that the cultivating work is not hindered can be obtained.

[Brief description of drawings]

FIG. 1 is a sectional view of a main part of a mobile agricultural machine to which a first embodiment of the present invention is applied.

FIG. 2 is a side view of essential parts of a cultivator shaft mounting portion and a rotor in the first embodiment.

FIG. 3 is a perspective view of essential parts showing a protruding state of a weeding shaft in the first embodiment.

FIG. 4 is a perspective view of an essential part showing an enlarged method of operating the annular ring of the first embodiment.

FIG. 5 is a conceptual diagram showing a working state of the first embodiment.

FIG. 6 is a sectional view of a main part of a mobile agricultural machine to which a second embodiment of the present invention has been applied.

FIG. 7 is a sectional view of a main part of a mobile agricultural machine to which a third embodiment of the present invention has been applied.

FIG. 8 is a partial perspective view showing a usage example in each of the above-described embodiments.

FIG. 9 is a perspective view of a main part showing a left side of a rotor section of a conventional mobile agricultural machine.

FIG. 10 is a perspective view of a main part showing an example of a conventional weed winding prevention structure.

[Explanation of symbols]

 3 ... Pins 4a, 4b ... Plates 5a, 5b ... Tillage claws 6 ... Bolts 8 ... Matsuba pins 11 ... Inner pipes 12 ... Tillage pipes 13 ... Link pins 14 ... Side disks 15 ... Weeding shafts 16 ... Annular rings 18 ... Flange 20 ... Mobile agricultural machine main body 21 ... Short pipe

Claims (6)

[Claims] 1. A cultivating shaft shaft extending laterally from a mobile agricultural machine main body, an inner pipe connected and fixed to the cultivating shaft shaft, and a peripheral edge which is arranged at a portion covering the inner pipe. A plate having a plurality of cultivating claws clamped and fixed to its part by welding, and a cultivating pipe formed to be shorter than the inner pipe, and an inner pipe located at a lateral end of the cultivating pipe. A short pipe fitted on the upper side, a side disc integrally fixed to the short pipe, a weeding shaft protruding from an appropriate position in the radial direction of the side disc and extending in the direction of the moving agricultural machine body, A rotor attachment device for a mobile agricultural machine, comprising a link pin that is located outside the side disc and that connects the inner pipe and the short pipe so that they can be inserted and removed freely. 2. The cultivating shaft shaft, the inner pipe and the cultivating pipe are made of a pipe material having a hexagonal cross section, so that the cultivating shaft shaft is set as a cultivator shaft that prevents mutual idle rotation. Rotor mounting device for mobile agricultural machinery. 3. The link pin is rotatably connected to the link pin,
The rotor attachment device for a mobile agricultural machine according to claim 1 or 2, wherein an annular ring engaged with an end of the cultivator shaft is provided in a normal state. 4. The rotor mounting device for a mobile agricultural machine according to claim 1, wherein the weeding shaft is provided with two or a plurality of two or more weeding shafts. 5. A cultivating shaft shaft extending laterally from a mobile agricultural machine main body, an inner pipe connected and fixed to the cultivating shaft shaft, and a peripheral edge which is arranged at a portion covering the inner pipe. A plurality of plowing claws are fixed to the plate by welding and fixing a plowing pipe, a side disc integrally fixed near the lateral end of the plowing pipe, and movement of the inner pipe. A flange formed on the end part of the agricultural machine main body, a weeding shaft protruding laterally from the vicinity of the peripheral portion in the radial direction of the flange, and a part located outside the side disk, A rotor mounting device in a mobile agricultural machine, comprising a link pin that connects the inner pipe and the cultivating pipe so that they can be inserted and removed freely. 6. A cultivating shaft shaft extending laterally from a mobile agricultural machine main body, and a plurality of cultivating claws slidably fitted to the cultivating shaft shaft and peripherally provided. The cultivating pipe to which the plate which is clamped and fixed is welded and fixed, the side disc integrally fixed to the vicinity of the lateral end of the cultivating pipe, and the moving agricultural machine main body direction from an appropriate position in the radial direction of the side disc. A weeding shaft that is extended and protrudes from the side disc, and a link pin that is located outside the side disc and that connects the cultivating shaft shaft and the cultivating pipe so that the cultivating shaft can be inserted and removed freely. A rotor mounting device for a mobile agricultural machine.