JP6776100B2 - Tractor - Google Patents

Description

The present invention relates to a tractor.

Conventionally, a tractor disclosed in Patent Document 1 is known.
The tractor disclosed in Patent Document 1 has a vehicle body supported by front wheels and rear wheels so as to be travelable. A driver's seat is mounted on the vehicle body, and a floor step is provided on the front side of the driver's seat. The floor step projects outward from the vehicle body in the vehicle width direction.

Japanese Unexamined Patent Publication No. 9-39850

For example, when cultivating crops such as dioscorea opposita, a net is provided in the field, and the foliage of the crop is entwined with this net. The nets are attached to stanchions erected in rows at predetermined intervals in the field. Work may be done by passing a tractor between two rows of adjacent columns. At this time, agricultural materials such as columns may come into contact with or get caught in a portion protruding from the vehicle body such as the front part of the floor step. In such a case, the driver of the tractor had to push away the columns and the like.

Therefore, in view of the above problems, it is an object of the present invention to provide a tractor capable of pushing away agricultural materials installed in a field to the outside in the vehicle width direction when the tractor is running and performing work. And.

The tractor according to one aspect of the present invention includes a traveling device, a vehicle body movably supported by the traveling device, a driver's seat provided on the vehicle body, and agricultural materials provided on the vehicle body and installed in a field. A push-retract member that pushes outward in the vehicle width direction is provided , and the push-out member has an intermediate push-out portion provided on the side of the driver's seat, and the intermediate push-out portion is the driver's seat. It has a side portion extending upward from the lower end side of the driver's seat on the side portion of the driver's seat, and an upper portion extending from the upper portion of the side portion toward the rear side on the upper side of the driver's seat.
Further, the retreat member has a front retreat portion provided in front of the driver's seat and a rear retreat portion provided in the rear of the driver's seat.

Further, the push-out member includes a front push-out portion provided at a front overhanging portion which is a portion protruding outward in the vehicle width direction in front of the driver's seat, and a front pushing-out portion provided at a front overhanging portion in front of the driver's seat and outward in the vehicle width direction behind the driver's seat. It has a rear push-out portion provided in the posterior overhanging portion, which is a portion overhanging.
Further, the tractor includes a floor step provided in front of the driver's seat, and the front push-out portion is provided in front of the floor step.

Further, the tractor includes a fender arranged on the side of the driver's seat, and the rear push-out portion is provided behind the fender.
Further, the tractor includes a traveling device, a vehicle body movably supported by the traveling device, a driver's seat provided on the vehicle body, and agricultural materials provided on the vehicle body and installed in the field outside the vehicle width direction. The push-out member is provided with a push-out member that pushes back toward the driver's seat, and a rops that can change the posture from an upright posture that is provided behind the driver's seat and extends upward to an inclined posture that shifts backward as it goes upward. The member has an intermediate push-out portion provided on the side of the driver's seat, and the height of the upper end of the intermediate push-out portion is substantially the same as the height of the upper end of the rops in the inclined posture.
Further, the tractor includes a traveling device, a vehicle body movably supported by the traveling device, a driver's seat provided on the vehicle body, and agricultural materials provided on the vehicle body and installed in the field outside the vehicle width direction. It is equipped with a push-back member that pushes back toward you and a rops provided behind the driver's seat.
The push-out member has an intermediate push-out portion provided on the side of the driver's seat, and the intermediate push-out portion has an inclined shape that shifts backward as it goes upward from the side of the driver's seat. And the upper part is located on the side of the rops.

Further, the tractor is provided with a ropse that is provided behind the driver's seat and can change its posture from an upright posture extending upward to an inclined posture that shifts backward as it goes upward, and is provided at the upper end of the intermediate push-out portion. The height is substantially the same as the height of the upper end of the rops in the inclined posture.
Further, the tractor is provided with a rops provided behind the driver's seat, and the intermediate push-out portion is inclined so as to move backward from the side of the driver's seat upward, and the upper part is the rops. It is located on the side of.

Further, the retreat member has a connecting portion for connecting the front retreat portion and the rear retreat portion.
Further, the front push-out portion has an inclined portion that shifts outward in the vehicle width direction from the front to the rear of the vehicle body.
Further, the tractor includes a traveling device having wheels, a vehicle body movably supported by the traveling device, a driver's seat provided on the vehicle body, and agricultural materials provided on the vehicle body and installed in a field. It includes a retreating member that repels outward in the direction, and the repelling member includes a portion arranged on the side side of the wheel on the outer side in the vehicle width direction with respect to the wheel, and before forming the front portion. It has a push-out portion and a rear push-out portion that constitutes a rear portion, and the front push-out portion has an inclined portion that shifts outward in the vehicle width direction from the front to the rear of the vehicle body. The rear push-out portion has an inclined portion that shifts inward in the vehicle width direction from the front to the rear of the vehicle body .
Further, the tractor includes a traveling device having wheels, a vehicle body movably supported by the traveling device, a driver's seat provided on the vehicle body, and agricultural materials provided on the vehicle body and installed in a field. A retreating member that pushes away outward in the direction and a fender that covers the wheel are provided, and the repelling member has a portion arranged on the side of the fender on the lateral side of the fender in the vehicle width direction. that it has.
Further, the tractor includes a rops provided behind the driver's seat, and the portion of the push-out member is arranged outside the rops in the vehicle width direction.
Further, the retreating member has a front retreating portion constituting a front portion and a rear retreating portion constituting a rear portion, and the front retreating portion comprises the vehicle from the front to the rear of the vehicle body. The rear push-out portion has an inclined portion that shifts outward in the width direction, and the rear push-out portion has an inclined portion that shifts inward in the vehicle width direction from the front to the rear of the vehicle body.

According to the above configuration, when the tractor is running and working, the repelling member can push away agricultural materials such as columns provided in the field.

It is a side view of a tractor. It is a top view of a tractor. It is a rear view of a tractor. It is a rear sectional view of a tractor. It is a side view of a car body. It is a plan view of a car body. It is a perspective view of a weight. It is an enlarged side view of the left front part of a tractor. It is a front view of the state where the protector is attached to the tractor.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings as appropriate.
FIG. 1 is a schematic side view of a tractor according to the present embodiment. FIG. 2 is a schematic plan view of the tractor. FIG. 3 is a schematic rear view of the tractor.
In the embodiment of the present invention, the arrow A1 direction (forward direction of the tractor 1) in FIGS. 1 and 2 will be described as forward, and the arrow A2 direction (reverse direction of the tractor 1) in FIGS. 1 and 2 will be described as backward. Therefore, the front side of FIG. 1 is on the left side (see the direction of arrow B1 in FIGS. 2 and 3), and the back side of FIG. 1 is on the right side (see the direction of arrow B2 in FIGS. 2 and 3). Further, the horizontal direction orthogonal to the front-rear direction A3 will be described as the vehicle width direction (see the arrow B3 direction in FIGS. 2 and 3). The direction from the center of the vehicle width direction B3 to the right side or the left side of the tractor 1 will be described as the vehicle outer side (also referred to as the vehicle width direction outer side). In other words, the outside of the vehicle is the direction B3 in the vehicle width direction and away from the center of the tractor 1. The direction opposite to the outside of the vehicle is described as the inside of the vehicle (also referred to as the inside in the width direction). In other words, the inside of the vehicle is the direction B3 in the vehicle width direction and approaches the center in the width direction of the tractor 1.

As shown in FIGS. 1 and 2, the tractor 1 has a traveling device 2 and a vehicle body 3 movably supported by the traveling device 2. In the present embodiment, the traveling device 2 is composed of a wheel-type traveling device having front wheels and rear wheels. The traveling device may be a full crawler type traveling device (a crawler type traveling device adopted instead of the front wheels and the rear wheels, which is a crawler type traveling device extending from the front to the rear of the vehicle body), or a semi-crawler type. (A traveling device having a front wheel and a crawler type traveling mechanism adopted instead of the rear wheel).

As shown in FIGS. 1 and 2, the traveling device 2 includes a first traveling device 2L provided on one side (left side) of the vehicle body 3 in the vehicle width direction B3 and the other side (right) of the vehicle body 3 in the vehicle width direction B3. It has a second traveling device 2R provided on the side). The first traveling device 2L includes a first front traveling portion (front traveling portion) 4L that supports the left side of the front portion of the vehicle body 3 so as to travel, and a first rear traveling portion that supports the left side of the rear portion of the vehicle body 3 so as to travel. It has (rear traveling portion) 5L. The second traveling device 2R includes a second front traveling portion (front traveling portion) 4R that supports the right side of the front portion of the vehicle body 3 so as to be able to travel, and a second rear traveling portion that supports the right side of the rear portion of the vehicle body 3 so that the vehicle can travel. It has a (rear traveling portion) 5R. The tractor 1 of the present embodiment is a four-wheel type tractor, and the first front traveling unit 4L, the first rear traveling unit 5L, the second front traveling unit 4R, and the second rear traveling unit 5R are composed of tire type wheels. Has been done. That is, the first front traveling unit 4L is the first front wheel, the first rear traveling unit 5L is the first rear wheel, the second front traveling unit 4R is the second front wheel, and the second rear traveling unit 5R is the second. 2 Rear wheels.

In the present embodiment, the first rear traveling unit 5L and the second rear traveling unit 5R employ a wheel type traveling unit, but may be a crawler type traveling unit.
As shown in FIG. 2, the first rear wheel 5L is behind the first front wheel 4L and is located at substantially the same position with respect to the vehicle width direction B3. The second rear wheel 5R is behind the second front wheel 4R and is located at substantially the same position with respect to the vehicle width direction B3. That is, the tractor 1 of the present embodiment is a narrow tractor (small tractor) having a narrow tread width.

As shown in FIGS. 1, 2, 5, and 6, the vehicle body 3 has a prime mover 6, a clutch housing 7, a transmission case 8, and a connecting frame 9.
The prime mover 6 is a diesel engine. The prime mover 6 may be an electric motor, or may be a hybrid type having a diesel engine and an electric motor. As shown in FIGS. 1 and 2, the prime mover 6 is located in front of the tractor 1 and is covered by the bonnet 10. As shown in FIG. 1, the front axle bracket 11 is provided so as to project forward from the prime mover 6. The first front wheel 4L and the second front wheel 4R are supported by the front axle bracket 11 via the front axle case 12. The front axle case 12 is supported by the front axle bracket 11 so that the central portion in the vehicle width direction B3 can swing around the axis in the front-rear direction A3. The front axle case 12 supports a first front axle (axle) 13L that drives the first front wheel 4L and a second front axle (axle) 13R that drives the second front wheel 4R.

The clutch housing 7 is a case for accommodating a clutch that intermittently transmits the power of the prime mover 6. As shown in FIGS. 1 and 2, the clutch housing 7 is fixed to the rear portion of the prime mover 6. The transmission case 8 is arranged at a distance behind the clutch housing 7. The transmission case 8 has a first transmission case 8A and a second transmission case 8B fixed to the rear portion of the first transmission case 8A.

The first transmission case 8A is a mission case that houses a transmission (mission). As shown in FIGS. 5 and 6, the power of the prime mover 6 is input into the first transmission case 8A via the clutch and the transmission shaft 14. A power take-out shaft 15 for taking out power is provided at the front portion of the first transmission case 8A. Power is transmitted from the power take-out shaft 15 to the first front wheel 4L and the second front wheel 4R. The second transmission case 8B is a differential case that houses the differential device. The power shifted by the transmission in the first transmission case 8A is input to the differential device in the second transmission case 8B. The widths of the first transmission case 8A and the second transmission case 8B in the vehicle width direction B3 are formed to be substantially the same width.

The transmission case 8 may be composed of one case (in this case, the transmission and the differential are housed in one case), and may be composed of three or more cases. May be good.
As shown in FIGS. 5 and 6, the connecting frame 9 is made of a plate material, and connects the clutch housing 7 and the transmission case 8 (first transmission case 8A). The vehicle body 3 may have a structure in which the first transmission case 8A (mission case) is extended forward and the first transmission case 8A is connected to the rear portion of the clutch housing 7. In this case, the first transmission case 8A includes a front transmission case connected to the rear portion of the clutch housing 7, and a rear transmission case whose front portion is connected to the front transmission case and whose rear portion is connected to the second transmission case 8B. It may be a divided structure having.

As shown in FIGS. 3 and 4, the first rear axle case 16L is fixed to the left side of the second transmission case 8B. In the first rear axle case 16L, the first rear axle (rear axle) 17L, which is the axle that drives the first rear wheel 5L, is rotatably supported around the axis extending in the vehicle width direction B3. The first rear axle 17L projects to the left (outside the vehicle) from the first rear axle case 16L. The portion of the first rear axle 17L protruding from the first rear axle case 16L is a first wheel mounting portion 18L, and the first rear wheel 5L is mounted on the first wheel mounting portion 18L. The first wheel mounting portion 18L is formed in a hexagonal columnar shape. The first rear wheel 5L is driven by rotational power transmitted from the differential device in the second transmission case 8B to the first rear axle 17L.

As shown in FIG. 4, the first rear wheel 5L includes a tire 19, an annular rim 20 in which the tire 19 is fitted on the outer circumference, a hub 21 located at the center of the tire 19, and a rim 20 and a hub 21. It has a plurality of spokes 22 connecting the tires. The hub 21 has a tubular portion 23 having an axial center extending in the vehicle width direction B3, and a disc portion 24 extending from the outer end of the tubular portion 23 in the vehicle width direction B3 toward the center. The tubular portion 23 (hub 21) is open toward the inside of the vehicle. A through hole 25 through which the first rear axle 17L is inserted is formed in a through hole in the central portion of the disc portion 24.

A first mounting member 26L for fixing the first rear wheel 5L to the first rear axle 17L is provided on the outside of the vehicle of the first rear wheel 5L (hub 21). The first mounting member 26L has a tubular boss portion 27 and a flange portion 28 extending radially outward from the end portion of the boss portion 27 on the vehicle inner side side. The boss portion 27 is fitted on the outer circumference of the first rear axle 17L and rotates integrally with the first rear axle 17L. The boss portion 27 is fixed to the first rear wheel 5L with a fixing member such as a pin. The flange portion 28 is overlapped with the surface of the hub 21 on the outer side of the vehicle and fixed with bolts.

As shown in FIGS. 3 and 4, the second rear axle case 16R is fixed to the right side of the second transmission case 8B. In the second rear axle case 16R, the second rear axle (rear axle) 17R, which is the axle that drives the second rear wheel 5R, is rotatably supported around the axis extending in the vehicle width direction B3. The second rear axle 17R projects to the right (outside the vehicle) from the second rear axle case 16R. The portion of the second rear axle 17R that protrudes from the second rear axle case 16R is a second wheel mounting portion 18R, and the second rear wheel 5R is attached to the second wheel mounting portion 18R. The second wheel mounting portion 18R is formed in a hexagonal columnar shape. The second rear wheel 5R is driven by rotational power transmitted from the differential device in the second transmission case 8B to the second rear axle 17R.

The second rear wheel 5R is configured in the same manner as the first rear wheel 5L. The same configuration as the first rear wheel 5L is designated by the same reference numerals and the description thereof will be omitted. A second mounting member 26R for fixing the second rear wheel 5R to the second rear axle 17R is provided on the outside of the vehicle of the second rear wheel 5R (hub 21). The second mounting member 26R is configured in the same manner as the first mounting member 26L. The same configuration as the first mounting member 26L is designated by the same reference numerals and the description thereof will be omitted.

As shown in FIG. 4, a first auxiliary weight 29L is provided on the inner center side of the first rear wheel 5L in the vehicle width direction B3. The first auxiliary weight 29L is provided in the boss portion 27 of the first rear wheel 5L and is attached to the boss portion 27. Further, a second auxiliary weight 29R is provided on the inner center side of the second rear wheel 5R in the vehicle width direction B3. The second auxiliary weight 29R is provided in the boss portion 27 of the second rear wheel 5R and is attached to the boss portion 27.

As shown in FIGS. 1, 2 and 3, a driver's seat 30 is provided above the transmission case 8. A steering wheel 31 and a column cover 32 that covers the steering post are provided in front of the driver's seat 30. A first fender (fender) 33L covering the first rear wheel 5L is provided on the left side of the driver's seat 30.
As shown in FIG. 1, the first fender 33L includes an inner wall portion 36L that covers the inner side of the vehicle above the first rear wheel 5L and an outer peripheral portion 37L that covers the front and upper parts of the first rear wheel 5L. Have. The outer peripheral portion 37L has a front cover portion 38L that covers the outer periphery of the upper front portion of the first rear wheel 5L, and a rear cover portion 39L that covers the upper rear portion of the first rear wheel 5L. The front cover portion 38L is formed in a curved shape substantially along the first rear wheel 5L. The rear cover portion 39L is formed so as to extend rearward from the upper portion of the front cover portion 38L. As shown in FIG. 2, a first lever guide 41L for guiding the operating levers 40La and 44Lb is provided on the upper side of the first fender 33L. The rear side of the first fender 33L (rear side of the rear cover portion 39L) is a portion on the rear side of the driver's seat 30, and is a portion [rear tension] protruding (protruding) from the vehicle body 3 to the outside of the vehicle width direction B3. The protruding part (referred to as the first posterior overhanging part 42L)].

As shown in FIG. 2, a second fender (fender) 33R covering the second rear wheel 5R is provided on the right side of the driver's seat 30. A second lever guide 41R for guiding the operating levers 40Ra and 44Rb is provided on the upper side of the second fender 33R. The second fender 33R is configured in the same manner as the first fender 33L. That is, the first fender 33L and the second fender 33R are symmetrical with respect to the vertical plane in the front-rear direction A3 passing through the center of the vehicle width direction B3 of the tractor 1, and the inner wall portion 36R corresponding to the inner wall portion 36L (FIG. 4). (See) and an outer peripheral portion 37R (see FIG. 4) corresponding to the outer peripheral portion 37L. Further, as shown in FIG. 2, the outer peripheral portion 37R has a front cover portion 38R corresponding to the front cover portion 38L and a rear cover portion 39R corresponding to the rear cover portion 39L. The rear side of the second fender 33R (rear side of the rear cover portion 39R) is a portion on the rear side of the driver's seat 30, and is a portion protruding (protruding) from the vehicle body 3 to the outside of the vehicle width direction B3 [ Back overhang site (referred to as the second back overhang site 42R)].

As shown in FIG. 1, a rops 43 is provided behind the driver's seat 30. As shown in FIGS. 1 and 3, the LOPS 43 has a first support column 43L on the left side, a second support column 43R on the right side, and a first support column 43L.
It has a connecting portion 43A (see FIG. 2) that connects the upper portions of the support column 43L and the second support column 43R. The lower part of the first support column 43L is attached to the first mounting bracket 44L provided at the rear part of the upper part of the first fender 33L by a bolt 45L having a horizontal axis. The lower part of the second support column 43R is attached to the second mounting bracket 44R provided at the rear part of the upper part of the second fender 33R by a bolt 45R having a horizontal axis. Therefore, by loosening the bolts 45L and 45R, the rops 43 can be tilted backward. When the LOPS 43 is tilted backward, the backward tilt is restricted in the tilted state. That is, the rops 43 can change its posture from the standing posture Y1 extending upward (the posture of the solid line in FIG. 1) to the inclined posture Y2 (the posture of the alternate long and short dash line in FIG. 1) that shifts backward as it goes upward. .. When the tractor 1 is retracted, the height of the rops 43 can be lowered by setting the rops 43 in the inclined posture Y2.

As shown in FIGS. 1 and 2, a first floor step 46L (floor step) is provided on the left side of the lower portion in front of the driver's seat 30. The first floor step 46L is provided on the left side of the connecting frame 9 and on the front side of the first fender 33L. The outer end portion of the first floor step 46L in the vehicle width direction B3 is located at substantially the same position as the outer end portion of the first fender 33L in the vehicle width direction B3. The front side of the first floor step 46L is the first front overhanging portion (front overhanging portion) 47L. The first front overhanging portion 47L is a portion overhanging from the vehicle body 3 to the outside (left side) of the vehicle width direction B3 on the front side of the driver's seat 30.

As shown in FIGS. 1 and 2, a first inclined portion (inclined portion) 48L is provided in the front portion of the first floor step 46L. The first inclined portion 48L is formed in an inclined shape in which the first inclined portion 48L moves upward from the flat portion 49L constituting the floor surface toward the front. That is, the first front overhanging portion 47L has an inclined portion that shifts upward as it goes forward. The first inclined portion 48L is provided over the vehicle width direction B3 at the front portion of the first floor step 46L. A clutch pedal (operating member) 50 is provided at a position corresponding to the first front overhanging portion 47L in the front portion of the first floor step 46L. The clutch pedal 50 is a pedal that performs an intermittent operation of the clutch in the clutch housing 7.

As shown in FIGS. 1 and 2, a second floor step (floor step) 46R is provided on the right side of the lower portion in front of the driver's seat 30. The second floor step 46R is provided on the right side of the connecting frame 9 and on the front side of the second fender 33R. The outer end portion of the second floor step 46R in the vehicle width direction B3 is located at substantially the same position as the outer end portion of the second fender 33R in the vehicle width direction B3. The front side of the second floor step 46R is the second front overhanging portion (front overhanging portion) 47R. The second front overhanging portion 47R is a portion overhanging from the vehicle body 3 to the outside (right side) of the vehicle width direction B3 on the front side of the driver's seat 30.

As shown in FIGS. 1 and 2, a second inclined portion (inclined portion) 48R is provided in the front portion of the second floor step 46R. The second inclined portion 48R is formed in an inclined shape that shifts upward from the flat portion 49R constituting the floor surface toward the front. That is, the second front overhanging portion 47R has an inclined portion that shifts upward as it goes forward. The second inclined portion 48R is provided over the vehicle width direction B3 at the front portion of the second floor step 46R. A first brake pedal (operating member) 51L and a second brake pedal (operating member) 51R are provided at a position corresponding to the second front overhanging portion 47R in the front portion of the second floor step 46R. ing. The first brake pedal 51L is a pedal that operates a braking device that brakes the first rear wheel 5L. The second brake pedal 51R is a pedal that operates a braking device that brakes the second rear wheel 5R.

As shown in FIGS. 1 to 6, the tractor 1 has a weight 52 for lowering the position of the center of gravity of the tractor 1 to improve the stability of the tractor 1. The weight 52 is provided at the lower part (lower side) of the vehicle body 3. The weight 52 may be provided at any lower portion of the vehicle body 3, but is preferably provided at the lower portion of the rear portion of the vehicle body 3. In this embodiment, it is provided at the lower part of the transmission case 8. Specifically, it is provided from below the second transmission case 8B (diff case) to below the first transmission case 8A (mission case). However, the weight 52 is not limited to this, and the weight 52 may be provided mainly (mostly) below the second transmission case 8B (diff case), or mainly (mostly). However, it may be provided so as to be located below the first transmission case 8A (mission case). Further, the weight 52 may be provided in the lower part of the connecting frame 9 (the front and rear halfway portion of the vehicle body 3). In the tractor 1 of the present embodiment, the connecting frame 9 is provided in the middle of the front and rear of the vehicle body 3, but in the vehicle body 3 of the type in which the transmission case is directly connected to the clutch housing 7, it is the lower part of the mission case. Therefore, it may be provided in the middle of the front and rear of the vehicle body 3.

Further, the weight 52 is preferably provided below the axle that drives the traveling device 2. In this embodiment, it is provided below the rear axle (first rear axle 17L and second rear axle 17R).
Further, the weight 52 is preferably provided at the lower part of the vehicle body 3 between the first traveling device 2L and the second traveling device 2R. It may be anywhere between the first traveling device 2L and the second traveling device 2R, but between the first rear traveling unit 5L and the second rear traveling unit 5R, the first rear traveling unit 5L and the second rear traveling unit 5L. It is preferable that the traveling portion 5R is provided at a position where it overlaps with the traveling portion 5R in a side view. In the case of a full crawler type traveling device, the weight 52 is provided at the rear of the traveling device and is provided between the left traveling device and the right traveling device.

As shown in FIGS. 5 and 7, the weight 52 has a main weight portion 52A and an extension weight portion 52B that protrudes upward from the upper part of the front portion of the main weight portion 52A. The main weight portion 52A is provided from below the second transmission case 8B to below the first transmission case 8A. The extension weight portion 52B is located at a position corresponding to the first transmission case 8A, and protrudes from the front portion of the main weight portion 52A toward the first transmission case 8A (mission case).

As shown in FIG. 5, the rear end of the weight 52 (main weight portion 52A) is located in front of the rear end of the vehicle body 3 (second transmission case 8B). The rear end of the weight 52 may protrude rearward from the vehicle body 3. In this case, the rear end portion of the weight 52 is preferably located near the rear end portion of the vehicle body 3.
As shown in FIG. 6, the main weight portion 52A projects outward from the transmission case 8 (first transmission case 8A and second transmission case 8B) in the vehicle width direction B3 (one and the other in the vehicle width direction B3). .. The width of the extension weight portion 52B in the vehicle width direction B3 is formed to be narrower than the width of the first transmission case 8A in the vehicle width direction B3.

As shown in FIGS. 5, 6 and 7, the weight 52 is attached to the vehicle body 3. Specifically, the front portion of the weight 52 is attached to the rear portion of the connecting frame 9 via the first bracket 53. The first bracket 53 includes a first plate portion 53L, a second plate portion 53R arranged to the right of the first plate portion 53L, and rear portions of the first plate portion 53L and the second plate portion 53R. It has a third plate portion 53A for connecting the above. The first plate portion 53L and the second plate portion 53R are bolted to the connecting frame 9. A plurality of front mounting portions 55a and 55b provided on the front portion of the weight 52 are bolted to the third plate portion 53A.

The rear portion of the weight 52 is attached to the transmission case 8 (second transmission case 8B) side via the second bracket 54. The second bracket 54 has a first mounting plate 54L attached to the lower part of the first rear axle case 16L and a second mounting plate 54R attached to the lower part of the second rear axle case 16R. A plurality of first rear mounting portions 56a and 56b provided on the left side of the rear portion of the weight 52 are bolted to the first mounting plate 54L. A plurality of second rear mounting portions 57a and 57b provided on the right side of the rear portion of the weight 52 are bolted to the second mounting plate 54R.

As shown in FIG. 7, a recess 58A is provided on the inner side of the front first rear mounting portion 56a in the vehicle width direction B3, and the rear side first rear mounting portion 56b is provided on the inner side of the vehicle width direction B3. Also provided with a recess 58B. Further, a recess 58C is also provided on the inner side of the front second mounting portion 57a in the vehicle width direction B3. Further, a recess 58D is also provided on the inner side of the second rear mounting portion 57b on the rear side in the vehicle width direction B3. These recesses 58A to 58D are formed in order to avoid interference with the hitch member for traction when the hitch member for traction is provided in the lower part of the second transmission case 8B (diff case).

A plurality of weights 52 may be provided. That is, the weights 52 may be provided in one place in a divided manner, or may be provided in a plurality of places in the lower part of the vehicle body 3.
In the tractor 1 of the present embodiment, the position of the center of gravity of the tractor 1 can be lowered by providing the weight 52 at the lower part of the vehicle body 3. As a result, the tipping angle of the tractor 1 can be improved (larger) without widening the tread width of the rear wheels. The fall angle is an angle at which the tractor 1 cannot maintain its tilted posture due to its own weight when the tractor 1 is tilted in one direction of the vehicle width direction B3, loses its balance, and starts to fall. The larger the tipping angle, the higher the stability of the tractor 1. Increasing the tilt angle is effective for the narrow tractor 1 having a narrow tread width. On a sloping ground, when one side of the tractor 1 in the vehicle width direction B3 is high and the other is low, the front axle case that supports the front wheels is swingably provided, so that the lower side (valley side) When the rear wheels (or crawlers provided instead of the rear wheels) are stepped on, the tractor 1 is stably grounded.

In the present embodiment, the tractor 1 includes a vehicle body 3 and a weight 52 provided at a lower portion of the vehicle body 3.
According to this configuration, by providing the weight 52 at the lower part of the vehicle body 3, the position of the center of gravity of the tractor 1 can be effectively lowered, and thereby the stability of the tractor 1 can be improved.

Further, the tractor 1 includes a traveling device 2 that supports the vehicle body 3 so as to travel, and an axle that drives the traveling device 2, and a weight 52 is provided below the axle.
By providing the weight 52 at the lower part of the vehicle body 3 and below the axle, it is effective in lowering the position of the center of gravity of the tractor 1.
Further, the weight 52 includes a traveling device 2 having rear traveling portions 5L and 5R for supporting the rear portion of the vehicle body 3 so as to be able to travel, and rear axles 17L and 17R which are axles for driving the rear traveling portions 5L and 5R. , It is provided below the rear axles 17L and 17R.

By providing the weight 52 below the rear axles 17L and 17R, it is effective to lower the position of the center of gravity of the tractor 1.
Further, the tractor 1 includes a traveling device having a first traveling device 2L provided on one side of the vehicle body 3 in the vehicle width direction B3 and a second traveling device 2R provided on the other side of the vehicle body 3 in the vehicle width direction B3. The weight 52 is provided between the first traveling device 2L and the second traveling device 2R.

It is also effective to lower the position of the center of gravity of the tractor 1 by providing the weight 52 at the lower part of the vehicle body 3 between the first traveling device 2L and the second traveling device 2R. Further, since the weight 52 does not project outward from the vehicle width direction B3 of the first traveling device 2L and the second traveling device 2R, it is possible to prevent some member from coming into contact with or being caught by the weight 52 during traveling. ..

Further, the vehicle body 3 has a prime mover 6 and a transmission case 8 arranged behind the prime mover 6, and a weight 52 is provided below the transmission case 8.
Providing the weight 52 at the lower part of the transmission case 8 is also effective in lowering the position of the center of gravity of the tractor 1. Further, on a sloping ground, the rear traveling portion (rear wheel) on the lower side (valley side) is stepped on and the tractor 1 stably touches the slope, so that the weight 52 is provided at the lower part of the transmission case 8 at the rear portion of the vehicle body 3. As a result, the center of gravity can be positioned on the higher side (mountain side) on the sloped land as compared with the case where the weight 52 is not provided, which is effective for stabilizing the tractor 1.

Further, the tractor 1 has a first rear traveling portion 5L that movably supports one side of the vehicle body 3 in the vehicle width direction B3 and a second rear traveling portion 5L that movably supports the other side of the vehicle body 3 in the vehicle width direction B3. A traveling device having a rear traveling unit 5R is provided, and the weight 52 is viewed sideways from the first rear traveling unit 5L and the second rear traveling unit 5R between the first rear traveling unit 5L and the second rear traveling unit 5R. It is provided at a position where it overlaps with.

The tractor can also be provided at a position where the weight 52 overlaps the first rear traveling unit 5L and the second rear traveling unit 5R in a side view between the first rear traveling unit 5L and the second rear traveling unit 5R. It is effective in lowering the position of the center of gravity of 1. Further, the first rear traveling unit 5L and the second rear traveling unit 5
With R, the weight 52 can be protected from some member, mud splash, or the like.
When the weight 52 is provided at the lower part of the vehicle body 3 to lower the position of the center of gravity of the tractor 1, the weight 52 is provided at the lower part of the differential case, the lower part of the mission case, or from the lower part of the differential case to the lower part of the mission case. Good. That is, in the present embodiment, the vehicle body 3 has a prime mover 6, a mission case (first transmission case 8A) provided behind the prime mover 6, and a differential case (second transmission case 8B) fixed to the rear part of the mission case. The weight 52 is provided from the lower part of the differential case, the lower part of the mission case, or the lower part of the differential case to the lower part of the mission case.

Further, the vehicle body 3 has a prime mover 6, a mission case provided behind the prime mover 6, and a differential case (second transmission case 8B) fixed to the rear portion of the mission case (first transmission case 8A). The weight 52 has a main weight portion 52A provided from below the differential case to below the mission case, and an extension weight portion 52B protruding from the front portion of the main weight portion 52A toward the mission case.

According to this configuration, the weight of the weight 52 can be effectively increased by utilizing the space below the mission case, and the position of the center of gravity of the tractor 1 can be effectively lowered.
As shown in FIGS. 1 to 3, the tractor 1 is provided on one side (left side) of the vehicle body 3 in the vehicle width direction B3 and on the other side (right side) of the vehicle body 3 in the vehicle width direction B3. It has a retracted member 61R. Hereinafter, for convenience of explanation, the retreat member 61L is referred to as a first retreat member 61L, and the retreat member 61R is referred to as a second retreat member 61R.

The first push-out member 61L and the second push-out member 61R are members that push away agricultural materials installed in the field toward the outside in the vehicle width direction B3. Agricultural materials include, for example, columns such as poles erected on ridges (fields), nets (nets) stretched along the ridges on both sides of the ridges or in grooves between the ridges. Since the tractor 1 is provided with the first push-out member 61L and the second push-out member 61R, when the vehicle body 3 moves forward or backward, the agricultural material located in front of or behind the vehicle body 3 is used in the vehicle body 3. It is possible to drive while pushing away to the outside (outside of the vehicle width direction B3).

First, the first push-out member 61L will be described.
As shown in FIGS. 1 to 3, the first push-out member 61L is formed of a rod material such as a pipe material. The first retreat member 61L has a front retreat portion 64L and a rear retreat portion 65L.
The front push-out portion 64L is provided in front of the driver's seat 30 and is arranged at a position corresponding to the first front overhanging portion 47L. That is, the front push-out portion 64L is provided at the front overhanging portion (first front overhanging portion 47L) which is a portion protruding outward in the vehicle width direction B3 in front of the driver's seat 30. In other words, the front push-out portion 64L is provided in front of the floor step (first floor step 46L). Further, the front pushing-out portion 64L is provided from the front to the side (left side) of the first front overhanging portion 47L (front overhanging portion). As shown in FIGS. 8 and 9, the front retreat portion 64L connects the first portion 67L, the second portion 68L located below the first portion 67L, the first portion 67L, and the second portion 68L. It has a third site 69L.

As shown in FIG. 8, the first portion 67L is located at a height position corresponding to the upper portion of the first inclined portion 48L. As shown in FIG. 2, the first portion 67L includes a front portion 71L located on the front side of the first front overhang portion 47L (first inclined portion 48L) and a first front overhanging portion 47L (first inclined portion). The side portion 72L located on the side side of the side portion 72L, the corner portion 73L connecting the front portion 71L and the side portion 72L, and the connecting portion 74L extending from the rear end of the side portion 72L toward the second portion 68L (FIG. 8) and.

As shown in FIG. 2, the front portion 71L is formed in an inclined shape that shifts outward in the vehicle width direction B3 toward the rear. In other words, the front push-out portion 64L has an inclined portion that shifts to the vehicle width direction B3 from the front to the rear of the vehicle body 3. The side portion 72L is formed so as to extend in the front-rear direction A3 along the side surface of the first front overhanging portion 47L. The corner portion 73L is formed in a curved shape that is convex toward the left diagonally forward in a plan view. As shown in FIG. 8, the connection portion 74L is provided so as to extend in the vertical direction, and connects the rear end of the side portion 72L and the second portion 68L. As shown in FIG. 1, the connection portion 74L is the front cover portion 3
It is provided at a space in front of the lower part of the front part of the 8L.

As shown in FIGS. 8 and 9, the second portion 68L includes a front portion 76L located on the front side of the first front overhang portion 47L (first inclined portion 48L) and a first front overhang portion 47L (first anterior overhanging portion 47L). It has a side portion 77L located on the side side of the 1 inclined portion 48L) and a corner portion 78L connecting the front portion 76L and the side portion 77L. The front portion 76L is formed in substantially the same shape as the front portion 71L, and is located substantially directly below the front portion 71L. That is, the front portion 76L is formed in an inclined shape that shifts outward in the vehicle width direction B3 toward the rear. In other words, the front push-out portion 64L has an inclined portion that shifts to the vehicle width direction B3 from the front to the rear of the vehicle body 3. The front side portion of the side portion 77L is located substantially directly below the side portion 72L. The rear portion of the side portion 77L extends rearward from the side portion 72L. The rear end of the side portion 77L is located near the front of the lower end of the front cover portion 38L of the first fender 33L. Further, the corner portion 78L is formed in substantially the same shape as the corner portion 73L, and is located substantially directly below the corner portion 73L.

As shown in FIG. 9, the first mounting stay 79L is fixed to the side portion 77L. The first mounting stay 79L is bolted to the first support bracket 80L provided on the front portion of the connecting frame 9.
The height position of the second part 68L may be below the first part 67L and above the lower end of the first front overhanging part 47L, but the second part 68L does not interfere with getting on and off. Is preferably arranged below the floor surface 49L of the first floor step 46L or so that the upper end is located at substantially the same height as the floor surface 49L of the first floor step 46L.

As shown in FIG. 9, the third portion 69L connects the front end portions of the front portion 71L of the first portion 67L and the front portion 76L of the second portion 68L to each other. A plurality of third parts 69L may be provided.
As shown in FIGS. 1 and 2, the rear push-out portion 65L is provided behind the driver's seat 30, and is provided from the side (left side) to the rear side of the first rear overhanging portion 42L. In other words, the rear push-out portion 65L is provided at the rear overhanging portion (first rear overhanging portion 42L) which is a portion extending outward in the vehicle width direction B3 behind the driver's seat 30. Further, the rear push-out portion 65L is provided behind the fender (first fender 33L). The rear push-out portion 65L is located above the first rear overhanging portion 42L (first fender 33L). The rear push-out portion 65L connects a side portion 81L located on the side of the first rear overhanging portion 42L, a rear portion 82L located behind the first rear overhanging portion 42L, and a side portion 81L and a rear portion 82L. It has a corner portion 83L to be formed. The side portion 81L is provided so as to extend in the front-rear direction A3 along the side surface of the first rear overhanging portion 42L. The rear portion 82L is formed in an inclined shape that shifts inward in the vehicle width direction B3 toward the rear. The corner portion 83L is formed in a curved shape that is convex toward the left diagonally rearward in a plan view.

As shown in FIGS. 1 and 2, the first push-out member 61L has a connecting portion 66L that connects the front push-out portion 64L and the rear push-out portion 65L.
As shown in FIG. 2, the connecting portion 66L is arranged outside the first fender 33L (outside the vehicle width direction B3). As shown in FIG. 1, the connecting portion 66L has a front constituent portion 86L that constitutes a front portion and a rear constituent portion 87L that constitutes a rear portion.

The front component 86L extends upward from the lower end side of the first fender 33L on the front side of the first fender 33L (fender). Specifically, the intermediate portion 88L in the length direction of the front component portion 86L is formed in an inclined shape that shifts rearward as it goes upward. The lower 90L of the front component 86L is bent forward and connected to the rear end of the second portion 68L. The lower portion 90L is formed in a curved shape. The upper portion 89L of the front component 86L is bent rearward. The upper portion 89L is formed in a curved shape.

The rear component 87L extends rearward from the upper 89L of the front component 86L on the upper side of the first fender 33L. The rear end of the rear component 87L is connected to the front end of the rear push-out portion 65L. The upper portion 89L of the front configuration portion 86L and the front portion of the rear configuration portion 87L are located on the side of the front portion of the driver's seat 30 (seat portion), and are grips (grip portions) 91 that can be gripped by the driver. .. That is, a part of the first push-out member 61L (and the second push-out member 61R) can be used as the grip 91 to be gripped by the driver when turning, getting on and off, and the like. Further, by gripping the grip 91 when turning, the working posture can be stabilized.

As shown in FIGS. 1, 2, and 9, the second mounting stay 92L is fixed to the middle portion of the rear component portion 87L. The second mounting stay 92L is mounted on the first lever guide 41L (on the side of the first fender 33L) by a bolt 93L.
The second portion 68L of the front repelling portion 64L, the rear repelling portion 65L, and the connecting portion 66L are formed by bending one rod material (pipe material). The second portion 68L, the rear push-out portion 65L, and the connecting portion 66L may be formed of separate members.

As shown in FIGS. 1 and 2, the first push-out member 61L has an intermediate push-out portion 63L. The intermediate push-out portion 63L is arranged on the side (left side) of the first fender 33L and the driver's seat 30. As shown in FIG. 1, the intermediate push-out portion 63L extends from the upper side to the upper side of the first fender 33L. In other words, the intermediate push-out portion 63L has a side portion 94L that is inclined to move backward from the side of the driver's seat 30 and an upper portion 95L that is located on the side of the rops 43. Have. The lower part of the side portion 94L is fixed to the second mounting stay 92L. The upper portion 95L is bent rearward and extends from the upper portion of the side portion 94L toward the rear side. The height of the upper end (upper portion 95L) of the intermediate push-out portion 63L is substantially the same as the height of the upper end of the rops 43 in the inclined posture Y2.

The intermediate push-out portion 63L may be formed in a straight line from the lower end to the upper end. Also in this case, the intermediate push-out portion 63L is tilted backward, and the upper portion is located on the side of the rops 43 and is substantially the same height as the height of the upper end of the rops 43 in the tilted posture Y2.
Next, the second push-out member 61R will be described. The second push-out member 61R has a symmetrical structure with the first push-out member 61L and the vertical plane in the front-rear direction A3 passing through the center of the vehicle width direction B3 of the tractor 1 with respect to the second push-out member 61R. Omits a detailed description.

As shown in FIGS. 1 and 2, the second retreat member 61R corresponds to the front retreat portion 64R corresponding to the front retreat portion 64L and the rear retreat portion 65L, similarly to the first retreat member 61L. It has a rear push-out portion 65R. Further, the second push-out member 61R has a connecting portion 66R corresponding to the connecting portion 66L, that is, a connecting portion 66R connecting the front pushing-out portion 64R and the rear pushing-out portion 65R. Further, the second retreat member 61R has an intermediate retreat portion 63R corresponding to the intermediate retreat portion 63L.

The front push-out portion 64R is provided in front of the driver's seat 30 and is arranged at a position corresponding to the second front overhanging portion 47R. That is, the front push-out portion 64L is provided at the front overhanging portion (second front overhanging portion 47R) which is a portion protruding outward in the vehicle width direction B3 in front of the driver's seat 30. The front push-out portion 64R is provided from the front to the side of the second front overhanging portion 47R (front overhanging portion). As shown in FIG. 9, the front retreat portion 64R is formed in the same manner as the front retreat portion 64L. That is, it has a first part 67R corresponding to the first part 67L, a second part 68R corresponding to the second part 68L, and a third part 69R corresponding to the third part 69L. Therefore, the first portion 67R includes a front portion 71R corresponding to the front portion 71L, a side portion 72R corresponding to the side portion 72L, a corner portion 73R corresponding to the corner portion 73L, and a connection portion 74R corresponding to the connection portion 74L. And have. Further, the second portion 68R has a front portion 76R corresponding to the front portion 76L, a side portion 77R corresponding to the side portion 77L, and a corner portion 78R corresponding to the corner portion 78L.

As shown in FIG. 9, the first mounting stay 79R is fixed to the first portion 67R. The first mounting stay 79R is bolted to the second support bracket 80R provided at the front portion of the connecting frame 9. The connecting portion 66R is fixed to the second mounting stay 92R attached to the second lever guide 41R. As shown in FIG. 1, the intermediate push-out portion 63R has a side portion 94R corresponding to the side portion 94L and an upper portion 95R corresponding to the upper portion 95L. As shown in FIGS. 1 and 2, the intermediate push-out portion 63R is fixed to the second mounting stay 92R.

The rear push-out portion 65R is provided behind the driver's seat 30, and is provided from the side (right side) to the rear side of the second rear overhanging portion 42R. In other words, the rear push-out portion 65R is provided at the rear overhanging portion (second rear overhanging portion 42R) which is a portion extending outward in the vehicle width direction B3 behind the driver's seat 30. Further, the rear push-out portion 65R is provided behind the fender (second fender 33R). The rear push-out portion 65R has a corresponding side portion 81R of the side portion 81L, a rear portion 82R corresponding to the rear portion 82L, and a corner portion 83R corresponding to the corner portion 83L.

The connecting unit 66R has a front component 86R corresponding to the front component 86L and a rear component 87R corresponding to the rear component 87L.
The intermediate push-out portion 63R has a side portion 94R corresponding to the side portion 94L and an upper portion 95R corresponding to the upper portion 95L.
As shown in FIGS. 1 and 9, the front push-out portion 64R is provided from the front to the side of the second brake pedal 51R (operating member). Since the second brake pedal 51R is located on the outer end side of the first front overhanging portion 47L in the vehicle width direction, there is a possibility that agricultural materials such as columns provided in the field may come into contact with or get caught. However, the front push-back portion 64R can protect the second brake pedal 51R.

In FIG. 8, the virtual line shows a modified example of the first portion 67L and the third portion 69L. In this modification, the first portion 67L and the third portion 69L are formed by bending a single bar. In this modification, the height of the first part 67L is set higher than that of the first part 67L shown by the solid line (than the first inclined portion 48L) so that the first part 67L does not interfere with the driver's feet. It's high. The second repellent member 61R (first portion 67R and third portion 69R) may be configured in the same manner.

When the tractor 1 is passed between two rows of columns (agricultural materials) provided in the field for work, the columns 96 (see FIG. 1) may come into contact with the tractor 1. When the tractor 1 advances and works, the support column 96 first comes into contact with the front portions of the front retreating portions 64L and 64R of the retreating members 61L and 61R. The abutment support column 96 is guided by the front portion of the front push-out portions 64L and 64R, and reaches from the corner portion to the side portion. That is, the support column 96 is pushed away by the front push-out portions 64L and 64R even if the driver does not push it away. Further, when the tractor 1 moves backward to perform the work, the support column first comes into contact with the rear portions of the rear push-out portions 65L and 65R of the push-out members 61L and 61R. The abutment column is guided by the rear portion of the rear push-out portions 65L and 66R and extends from the corner portion to the side portion. That is, the support column is pushed away by the rear push-out portions 65L and 65R even if the driver does not push it away. As a result, there is no possibility that agricultural materials such as columns come into contact with or get caught on the main body side of the tractor 1. Further, even if the support column 96 falls in the direction approaching the tractor 1 side due to the reaction of being pushed away, it is transmitted from the front push-out portions 64L and 64R to the rear push-out portions 61L and 61R along the connecting portion 66R. , The tractor 1 does not come into contact with the main body side (the opposite is true when the tractor 1 moves backward). Further, on the side of the driver's seat 30, the support column 96 is prevented from falling toward the driver side by coming into contact with the intermediate push-out portions 63L and 63R. Further, since the support column 96 comes into contact with the intermediate push-out portions 63L and 63R, it is possible to prevent the support column 96 from contacting the rops 43.

In the present embodiment, the tractor 1 includes a traveling device 2, a vehicle body 3 movably supported by the traveling device 2, a driver's seat 30 provided on the vehicle body, and an agricultural material 96 provided on the vehicle body and installed in a field. Is provided with a retreat member (first retreat member 61L, second retreat member 61R) that pushes the vehicle outward in the vehicle width direction B3.
According to this, when the tractor is running and working, the repelling member can push away agricultural materials such as columns provided in the field. As a result, when the tractor 1 is running and working, the driver does not have to push away the agricultural material, and the driver himself does not have to push away the agricultural material, so that the driver can perform the driving operation. You can concentrate.

Further, the push-out members (first push-out member 61L, second push-out member 61R) are provided in front of the driver's seat 30 and after being provided in the front push-out portions 64L and 64R and behind the driver's seat 30. It has push-out portions 65L and 65R.
According to this, when the tractor 1 is advanced, the agricultural materials can be repelled by the front retreat portions 64L, 64R, and when the tractor 1 is advanced, the rear retreat portions 65L, 6 can be repelled.
Agricultural materials can be pushed away by 5R. That is, agricultural materials can be repelled in both forward and reverse cases.

Further, the push-out member (first push-out member 61L, second push-out member 61R) is a front overhanging portion (first front overhanging portion) which is a portion protruding outward in the vehicle width direction in front of the driver's seat 30. The front push-out portions 64L and 64R provided on the 47L, the second front overhanging portion 47R) and the rear overhanging portion (the first rear overhanging portion) which is a portion extending outward in the vehicle width direction behind the driver's seat 30. It has a rear push-out portion 65L, 65R provided at the portion 42L, the second posterior overhanging portion 42R).

According to this, it is possible to prevent the agricultural material from coming into contact with or getting caught in the front overhanging portion and the back overhanging portion, and it is possible to protect the front overhanging portion and the back overhanging portion.
Further, a floor step (first floor step 46L, second floor step 46R) provided in front of the driver's seat 30 is provided, and front push-out portions 64L and 64R are provided in front of the floor step.

According to this, it is possible to prevent the agricultural materials from coming into contact with or getting caught in the front part of the floor step by the front push-out portions 64L and 64R. It can also protect floor steps from agricultural materials.
Fenders (first fender 33L, second fender 33R) arranged on the side of the driver's seat 30 are provided, and the rear push-out portions 65L and 65R are provided behind the fender.

According to this, it is possible to prevent agricultural materials from coming into contact with or getting caught in the rear part of the fender. It can also protect fenders from agricultural materials.
Further, the push-out member (first push-out member 61L, second push-out member 61R) has intermediate push-out portions 63L, 63R provided on the side of the driver's seat 30.
According to this, when the agricultural material falls in the direction approaching the driver's seat 30 due to the recoil of the repulsion, the agricultural material can be stopped by the intermediate repellent portions 63L and 63R.

Further, the intermediate push-out portions 63L and 63R are side portions 94L and 94R extending from the lower end side of the driver's seat 30 toward the upper side on the front side of the driver's seat 30 and side portions 94L on the upper side of the driver's seat 30. , 94R has upper portions 95L, 95R extending from the upper portion toward the rear side.
According to this, it is possible to enhance the effect of stopping the agricultural material that has fallen in the direction approaching the driver's seat 30 by the intermediate push-out portions 63L and 63R.

Further, the intermediate push-out portions 63L and 63R are provided with a rops 43 that can change the posture from the standing posture Y1 that is provided behind the driver's seat 30 and extends upward to the inclined posture Y2 that shifts backward as it goes upward. The height of the upper end is substantially the same as the height of the upper end of the lops 43 in the inclined posture Y2.
According to this, when the tractor 1 is stored, the height of the lops 43 can be lowered by setting the lops 43 in the tilted posture Y2, but the heights of the intermediate push-out portions 63L and 63R are set to the tilted posture Y2. By adjusting the height of the tractor 43 at that time, it is possible to prevent the intermediate push-out portions 63L and 63R from getting in the way when the tractor 1 is retracted.

Further, the lops 43 provided behind the driver's seat 30 are provided, and the intermediate push-out portions 63L and 63R are inclined so as to move backward from the side of the driver's seat 30 toward the upper side, and the upper portion is lops. It is located on the side of 43.
According to this, the rops 43 can also be protected by the intermediate push-out portions 63L and 63R.

Further, the retreat member (first retreat member 61L, second retreat member 61R) has connecting portions 64L, 64R for connecting the front retreat portions 64L, 64R and the rear retreat portions 65L, 65R. There is.
According to this, the agricultural material in contact with the front retreat portions 64L, 64R can be guided from the connecting portions 66L, 66R to the rear retreat portions 65L, 65R, and also in contact with the rear retreat portions 65L, 65R. Agricultural materials can be guided from the connecting portions 66L and 66R to the front retreating portions 64L and 64R. This makes it possible to prevent agricultural materials from coming into contact with the tractor 1 from the front to the rear of the tractor 1.

Further, the front push-out portions 64L and 64R have inclined portions (front portions 71L and 71R, front portions 76L and 76R) that shift outward in the vehicle width direction from the front to the rear of the vehicle body 3.
According to this, the agricultural material in contact with the front retreating portions 64L and 64R can be smoothly repelled by being guided by the inclined portion.
Although the present invention has been described above, it should be considered that the embodiments disclosed this time are exemplary in all respects and are not restrictive. The scope of the present invention is shown by the scope of claims rather than the above description, and it is intended to include all modifications within the meaning and scope equivalent to the scope of claims. The first push-out member 61L may also be used as a protector that protects the left side portion of the main body portion of the tractor 1. Further, the second push-out member 61R may also be used as a protector for protecting the right side portion of the main body portion of the tractor 1.

2 Traveling device 3 Body 30 Driver's seat 33L Fender (1st fender)
33R fender (2nd fender)
42L posterior overhang site (first posterior overhang site)
42R posterior overhang site (second posterior overhang site)
43 Lops 46L Floor Step (1st Floor Step)
46R floor step (second floor step)
47L front overhang site (first front overhang site)
47R front overhang site (second front overhang site)
48L inclined part (first inclined part)
48R inclined part (second inclined part)
51R operation member (brake pedal)
61L push-out member (first push-out member)
61R Repellent member (2nd repellent member)
63L Intermediate retreat part 63R Intermediate retreat part 64L Front retreat part 64R Front retreat part 65L Rear retreat part 65R Rear retreat part 66L Connecting part 66R Connecting part 94L Side part 94R Side part 95L Upper part 95R Upper part B3 vehicle width direction

Claims (15)

Traveling device and
A vehicle body that is supported by the traveling device so that it can travel,
The driver's seat provided on the vehicle body and
A retreating member provided on the vehicle body and repelling agricultural materials installed in the field to the outside in the vehicle width direction,
With
The push-out member has an intermediate push-out portion provided on the side of the driver's seat.
The intermediate push-out portion includes a side portion extending upward from the lower end side of the driver's seat on the side portion of the driver's seat and an upper portion to the rear side of the side portion on the upper side of the driver's seat. A tractor with an upper portion that extends toward it. The tractor according to claim 1, wherein the retreat member has a front retreat portion provided in front of the driver's seat and a rear retreat portion provided in the rear of the driver's seat. The push-out member includes a front push-out portion provided at a front overhanging portion, which is a portion that overhangs outward in the vehicle width direction in front of the driver's seat, and an outward extension in the vehicle width direction behind the driver's seat. The tractor according to claim 1, which has a rear push-out portion provided at a rear overhanging portion, which is a protruding portion. With a floor step provided in front of the driver's seat
The tractor according to claim 2 or 3, wherein the front push-out portion is provided in front of the floor step. Equipped with fenders located on the side of the driver's seat
The tractor according to any one of claims 2 to 4, wherein the rear push-out portion is provided behind the fender. Traveling device and
A vehicle body that is supported by the traveling device so that it can travel,
The driver's seat provided on the vehicle body and
A retreating member provided on the vehicle body and repelling agricultural materials installed in the field to the outside in the vehicle width direction,
A rops that can be changed from an upright posture that is provided behind the driver's seat and extends upward to an inclined posture that shifts backward as it goes upward.
With
The push-out member has an intermediate push-out portion provided on the side of the driver's seat.
The height of the upper end of the intermediate push-out portion is substantially the same as the height of the upper end of the rops in the inclined posture. Traveling device and
A vehicle body that is supported by the traveling device so that it can travel,
The driver's seat provided on the vehicle body and
A retreating member provided on the vehicle body and repelling agricultural materials installed in the field to the outside in the vehicle width direction,
The rops provided behind the driver's seat and
With
The push-out member has an intermediate push-out portion provided on the side of the driver's seat.
The intermediate push-out portion is a tractor having an inclined shape that shifts rearward from the side of the driver's seat and whose upper portion is located on the side of the rops. It is equipped with a rops that can change its posture from an upright posture that is provided behind the driver's seat and extends upward to an inclined posture that shifts backward as it goes upward.
The tractor according to any one of claims 1 to 5 and 7, wherein the height of the upper end of the intermediate push-out portion is substantially the same as the height of the upper end of the lops in the inclined posture. It is equipped with a rops provided behind the driver's seat.
The intermediate push-out portion is formed in an inclined shape that shifts backward from the side of the driver's seat upward, and the upper portion is located on the side of the rops. Any one of claims 1 to 6. The tractor described in. The tractor according to any one of claims 2 to 5, wherein the retreating member has a connecting portion for connecting the front repelling portion and the rear retreating portion. The tractor according to any one of claims 2 to 5 and 10, wherein the front push-out portion has an inclined portion that shifts outward in the vehicle width direction from the front to the rear of the vehicle body. A traveling device with wheels and
A vehicle body that is supported by the traveling device so that it can travel,
The driver's seat provided on the vehicle body and
A retreating member provided on the vehicle body and repelling agricultural materials installed in the field to the outside in the vehicle width direction,
With
The repelling member includes a portion arranged on the side side of the wheel on the outer side in the vehicle width direction from the wheel, a front retreating portion constituting a front portion, and a rear retreating portion constituting the rear portion. Have,
The front push-out portion has an inclined portion that shifts outward in the vehicle width direction from the front to the rear of the vehicle body.
The rear push-out portion is a tractor having an inclined portion that shifts inward in the vehicle width direction from the front to the rear of the vehicle body . A traveling device with wheels and
A vehicle body that is supported by the traveling device so that it can travel,
The driver's seat provided on the vehicle body and
A retreating member provided on the vehicle body and repelling agricultural materials installed in the field to the outside in the vehicle width direction,
The fender that covers the wheel and
With
The retreat member is a tractor having a portion arranged on the side side of the fender on the outer side in the vehicle width direction with respect to the fender. It is equipped with a rops provided behind the driver's seat.
The tractor according to claim 12 or 13, wherein the portion of the retracting member is arranged outside the vehicle width direction with respect to the rops. The retreat member has a front retreat portion constituting a front portion and a rear retreat portion constituting a rear portion.
The front push-out portion has an inclined portion that shifts outward in the vehicle width direction from the front to the rear of the vehicle body.
The tractor according to claim 13 or 14, wherein the rear push-out portion has an inclined portion that shifts inward in the vehicle width direction from the front to the rear of the vehicle body.

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