JPH0523827U - Winding prevention device - Google Patents

Abstract

(57) [Abstract] [Purpose] In a combine harvester scraping device, a wrapping prevention collar, a weed, or the like is prevented from being wound around a winding prevention collar that is externally fitted to a rotation shaft of a driven side scraping wheel. [Structure] In a lower conveyor of a combine, a winding prevention collar is provided around a rotation axis of a driven side scraping wheel, a notch is provided in the winding prevention collar, and a bracket arm is inserted into the notch. And a metal bridge supporting a rotating shaft is fixed to the end of the bracket arm.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a structure of a winding prevention device in a scraping and conveying device for conveying grain culms from a combine raising device to a feed chain.

[0002]

[Prior Art]

 Conventionally, in combine harvester scraping devices, the driven side scraping wheel does not have a transport chain and is configured to rotate in accordance with the rotation of the driving side scraping wheel. It was easy for wrapping to occur when something was scratched. There, the winding prevention collar was arranged on the shaft. For example, it is a technique disclosed in Japanese Utility Model Laid-Open No. 61-56837.

[0003]

[Problems to be solved by the device]

 However, since the winding prevention collar provided on the shaft of the scraping wheel of the conventional stock scraping device is configured to rotate with the rotation of the scraping foil, the winding is increased, and the scraping foil is increased. It also hindered the rotation of the car and caused a jam.

[0004]

[Means for Solving the Problems]

 The problem to be solved by the present invention is as described above. Next, as means for solving the problem, a winding prevention collar is provided around the rotation shaft of the driven side scraping wheel in the lower conveyor of the combine, A cutout portion is provided in the winding prevention collar, a bracket arm is inserted into the cutout portion to prevent rotation, and a metal receiver that pivotally supports a rotation shaft is fixed to the end of the bracket arm.

[0005]

[Action]

 With this configuration, when the grain culm arrives at the combine root scraping device, the grain crop stock is sandwiched by the adjacent driven-side scraping wheel and drive-side scraping foil and sent to the lower transport chain. At this time, a winding prevention collar is externally fitted to the rotation shaft of the driven-side scraping wheel, and the winding prevention collar cannot be rotated because the bracket arm is inserted into the cutout portion. There is almost no wrapping of weeds or the like on the driven side scraping foil.

[0006]

【Example】

 The problems to be solved and the means for solving the present invention are as described above. Next, the specific configuration of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a front perspective view of the combine, and FIG. 2 is a rear of the combine. FIG. 3 is a perspective view of the winding prevention collar of the present invention, FIG. 4 is a side view of the feed chain guide, FIG. 5 is a plan view of the same, FIG. 6 is an enlarged plan view of a link connecting portion, and FIG. 7 is a coil spring. FIG. 8 shows a side sectional view of a conventional Glen tank, FIG. 9 shows a side sectional view of a rotary type Glen tank, and FIG. 10 shows a grain amount confirmation device. 11 is a perspective view of the installed Glen tank, FIG. 11 is a partial plan view of the equalizer mechanism, FIG. 12 is a partial side view of the equalizer mechanism, FIG. 13 is a partial sectional view of a lower transfer device side view, and FIG. 14 is a front view of the same.

In FIGS. 1 and 2, the combine fixes the machine frame on the crawler type traveling device D, raises and harvests at the front end, and has a mowing device B, and the cabin 30 at the rear part and the threshing device and the sorting device at the side part thereof. A Glen tank C is provided at the rear of the cabin 30.

The crawler type traveling device D has conventionally been required to secure a front-rear and a left-right balance. Among them, securing the front-rear balance includes loading and unloading on a truck and crossing a ridge. This is especially necessary to smoothly perform the above work, and it has been dealt with by adopting an equalizer mechanism in the rolling wheel portion, but it was not sufficient. Therefore, as shown in FIGS. 11 and 12, the equalizer 24 of the crawler type traveling device D of the combine is connected to the piston rod of the hydraulic cylinder 25 so that the equalizer 24 can be moved back and forth to load the combine onto a truck and When loading, unloading, or crossing ridges, the convex portion of the boundary between the truck bed and the bridge or the convex portion of the ridge and the equalizer 24 are operated to slide the hydraulic cylinder 25 in accordance with the movement of the convex portion. As a result, the combine can be driven smoothly without being subject to severe shock.

Further, when the combine is enlarged in order to improve the work efficiency, the driver's seat becomes a cabin specification as shown in FIG. In this case, there was a problem that the visibility in the rear was poor during traveling and work. Therefore, a distance sensor 26 is installed at the rear part of the combine to detect the distance between the combine and an obstacle behind, and the distance sensor 26 is connected to an actuator such as a hydraulic cylinder through a control circuit to connect the actuator. By connecting to the main gear shift lever, the combine is gradually decelerated when moving backwards as it approaches an obstacle behind, and is controlled to stop when the set distance is reached to ensure the safety of work in the rear. ing.

The raising and harvesting device B causes the standing culm to be raised by the tines and trimmed by the cutting blade, and the harvested grain culm is conveyed to the feed chain 7 by the conveying device. The transporting device comprises an upper transporting device, a lower transporting device A, and a vertical transporting device. The lower transporting device A is provided with a winding prevention collar, which is an essential part of the present invention. That is, as shown in FIGS. 3, 13 and 14, a lower transfer device A is disposed above the mowing frame 32 below the tine case 31 of the raising / mowing device B, and the lower transfer device A is a transfer chain. 34 and 35, drive side scraping wheels 36 and 36 rotated by the transport chains 34 and 35, and driven side scraping wheels 39 that are driven by meshing with the rotation of the drive side scraping wheels 36 and 36. . 39, the drive side take-up foil 36, 36 and the driven side take-up foil 39. Because it was not wound, grass and culms were easily wrapped around.

Therefore, the present invention intends to prevent the winding by making the winding prevention collar 2 fitted on the rotation shaft 37 of the driven side scraping wheel 39 unrotatable. That is, the bracket arm 3 is laterally installed at the rear of the mounting frame 33 extending upward from the mowing frame 32, and the metal bridges 4 and 4 are fixed at both ends of the bracket arm 3, and the rotary shaft is attached to the metal bridge 4. A bearing 37 is rotatably supported, a drive pulley 41 is fixed to the upper end of the rotary shaft 37, and a driven side scraping wheel 39 is fixed to the lower end. The winding prevention collar 2 is provided on the outer circumference of the rotary shaft 37 between the drive pulley 41 and the driven-side scraping wheel 39, and the winding prevention collar 2 is provided with a notch 2a. The bracket arm 3 is inserted through the portion 2a to prevent the winding prevention collar 2 from rotating.

Then, the grain culms cut by the upper transporting device, the lower transporting device A and the vertical transporting device are sent to the feed chain 7 and threshed. As shown in FIGS. 4 to 7, the feed chain 7 is provided with a feed chain guide 8, and the feed chain guide 8 guides the grain culms from the vertical conveying device to the feed chain 7 and the feed chain. It is configured to be sandwiched by the guide 8 and thresh the tip side.

Since the feed chain guide is conventionally integrally formed into a “F” shape, there is a problem that the culms are difficult to enter between the feed chain and the feed chain guide rod during handling. The feed chain guide 8 is divided into two parts, a front feed chain guide 9 and a rear feed chain guide 10, and a link 11 and a link 12 are fixed to the rear end and the front end of both, and the links 11 and 12 are fixed to the pin 13. And the tension spring 14 is interposed, and stoppers 16a and 16b are provided at the pivoting portion so as not to be folded in two. However, it is also possible to use a coil spring instead of the tension spring 14.

With such a configuration, the feed chain guide 8 is brought into a state along with the feed chain 7, and when the grain culm is inherited from the mowing section to the feed chain 7, the culm is suppressed and spillage is eliminated. Also, when a large amount of culms are sent, the culms push up the links 11 and 12 of the feed chain guide 8 to create a gap between the feed chain 7 and the feed chain guide 8, and the culms can smoothly thresh inside. Since the links 11 and 12 of the feed chain guide 8 are maintained by the force of the tension spring 14 even during manual operation, the culms can be smoothly inserted.

The grains thus threshed are sorted and the refined grains are stored in the grain tank C. In the Glen tank, as shown in FIG. 8, the slats have a useless space because the grain board 17 is inclined so that the paddy can drop smoothly. In this embodiment, as shown in FIG. 9, the lower conveyor 18 of the Glen tank C is installed in the vicinity of the side plate 19 on one side, and the Glen tank C is rotatable around the lower conveyor 18 by a hydraulic cylinder 21. Further, when the lower conveyor 18 is driven to discharge the grains in the Glen tank C, the position is gradually reduced and a bridge is formed so that the lower conveyor 18 is not reached. The grain sensor 20 is provided slightly above the intersection of the rear plate 15, and when the paddy does not hit the discharge and becomes OFF, the solenoid valve is switched to operate the hydraulic cylinder 21, and the Glen tank C supports the lower conveyor 18 as a fulcrum. As a result, the conventional wasted space in the shaded area can be effectively used, and the Glen tank can be made larger. Also it was no longer necessary to extend the vehicle width of the combine.

The amount of paddy in the Glen tank C could be confirmed by the driver on the monitor, but no one other than the driver could confirm it from a distance, so as shown in FIG. The lighting fixture 22 is attached to the inside of the tank C, and the side plate is provided with a plurality of glasses (may be lenses etc.) 23. As it goes on, the lights turn off one after another, and people other than the driver can easily check from a distance. Then, through the glass, it was possible to confirm from the outside whether the selection condition of paddy was good or bad.

[0017]

[Effect of the device]

 Since the present invention is configured as described above, it has the following effects. Immediately, since the winding prevention collar is stopped in the free direction in the rotation direction, the winding does not increase, and no special member for fixing the collar is necessary, so naturally the hooking part is Instead, wrapping will be largely eliminated.

[Brief description of drawings]

FIG. 1 is a front perspective view of a combine.

FIG. 2 is a rear perspective view of the combine.

FIG. 3 is a perspective view of an anti-wrap collar of the present invention.

FIG. 4 is a side view of a feed chain guide.

FIG. 5 is a plan view of a feed chain guide.

FIG. 6 is an enlarged plan view of a link connecting portion.

FIG. 7 is an enlarged side view of the link connecting portion of the embodiment using the coil spring.

FIG. 8 is a side sectional view of a conventional Glen tank.

FIG. 9 is a side sectional view of a rotary type Glen tank.

FIG. 10 is a perspective view of a grain tank in which a grain amount confirmation device is installed.

FIG. 11 is a partial plan view of the equalizer mechanism.

FIG. 12 is a partial side view of the equalizer mechanism.

FIG. 13 is a partial cross-sectional view of a side view of the lower conveyance device.

FIG. 14 is a front view of the same.

[Explanation of symbols]

 2 Winding prevention collar 2a Cutout part 3 Bracket arm 4 Metal receiver 36 Drive side scraping wheel 39 Driven side scraping wheel

Continuation of the front page (72) Inventor Kanta Kusachi 428 Enami, Okayama-shi Seirei Industrial Co., Ltd. (72) Inventor Koichi Ueda 428 Enami Okayama-shi Seirei Industrial Co., Ltd. (72) Inventor Hiroyuki Kogo Ei Okayama No. 428 Seirei Industrial Co., Ltd. In-house

Claims (1)

[Scope of utility model registration request] 1. A lower conveying device for a combine, wherein a winding prevention collar is provided around a rotation shaft of a driven side scraping wheel,
Winding characterized in that a cutout portion is provided in the winding prevention collar, a bracket arm is inserted into the cutout portion to prevent rotation, and a metal receiver that pivotally supports a rotation shaft is fixed to an end of the bracket arm. Prevention device.