JP6349996B2 - Tractor cabin - Google Patents

Description

  The present invention relates to a cabin of a tractor having a GPS provided on a cabin roof, and improves detection accuracy by a GPS antenna.

  A technology (for example, patent) that provides a GPS antenna that receives signals from artificial satellites on the roof of the cabin, detects the tilt of the tractor in the left-right and front-back directions, and controls the working device connected to the rear of the vehicle body Document 1) is known.

JP 2009-55795 A

  In a cabin such as a tractor vehicle body that performs ground work while traveling with an agricultural work device attached, the problem is to improve the detection accuracy by devising the attachment of a GPS sensor.

The invention described in claim 1
On the upper side of the resin-made cabin roof (2) where the front-rear direction line (a) at the approximate center position of the tread width of the vehicle body 1 intersects the lateral line (b) at the approximate center position of the wheel base, A mounting stay (4) having a substantially horizontal mounting seat (3) at a position higher than the upper surface of the roof (2) is formed, and a GPS antenna (5) is attached to the mounting seat (3) .
One end of the front arm (50) is attached to the front side of the mounting stay (4), and the other end of the front arm (50) is detachably attached to the lower surface of the front edge (52) of the cabin roof (2).
One end of each side arm (51) is attached to each of the left and right sides of the mounting stay (4), and the other end of each side arm (50) protrudes from the lower surface of the side edge (53) of the cabin roof (2). The tractor cabin is characterized in that it is detachably attached to (54) .

  The invention according to claim 2 is characterized in that a center roof 6 bulging over an appropriate width region on a front edge upper surface formed on a front descending inclined surface at the front end portion of the cabin roof 2, and width regions on both the left and right sides thereof. A side roof 7 formed lower than the center roof 6 is formed in a step 8 shape, and the mounting stay 4 is attached to the upper surface of the front edge 19 of the center roof 6.

According to a third aspect of the present invention, there is provided a GPS monitor (10) and an upper portion of the upper part of the left and right sides of the cabin room (9) on the lower side of the cabin roof (2) to which the GPS antenna (5) is attached. A rearview mirror (11) is disposed on the outside of the cabin room (9). A combination lamp (12) and a rearview mirror (13) are provided on the outer side of the cabin room (9). The rearview mirror (13) is provided with the combination lamp (12). The GPS monitor (10) is disposed at substantially the same height as the rearview mirror (13) .
A harness (56) for connecting the GPS antenna (5) and the GPS monitor (10) is housed in a hollow portion inside the side arm (50) .

According to the first aspect of the present invention, the GPS antenna 5 includes the cabin roof 2 above the center position G of the vehicle body 1 where the longitudinal line a of the center position of the tread width of the vehicle body 1 intersects the lateral line b of the wheel base center position. Since the upper surface of the mounting stay 4 is mounted on the upper horizontal surface of the mounting stay 4, the mounting seat 3 of the GPS antenna 5 of the cabin roof 2 can be used even if the vehicle body 1 vibrates and swings in any direction during driving. Since the height position of the surface is maintained at a substantially constant height position, the position and orientation information detecting action by the GPS antenna 5 can be stabilized. Further, since the GPS antenna 5 is mounted on the upper surface of the mounting seat 3 at a position higher than the upper surface of the roof 2, even if rainwater is received, the drainage and drainage to the upper surface of the roof 2 is performed quickly, thereby improving information detection accuracy. Can be made.
Further, the GPS antenna (5) can be attached and detached under the front end edge (52) and the side end edge (53) of the cabin roof (2).

  According to the second aspect of the present invention, since the mounting seat 3 for mounting the GPS antenna 5 is formed on the front descending inclined surface of the front end portion of the cabin roof 2, rainwater The center roof 6 to which the mounting stay 4 is attached is formed high with a step 8 between the side roof 7 and the drainage or draining action. Therefore, scattering of rainwater or the like is difficult to be received, and the detection accuracy of the GPS antenna 5 in the mounting stay 4 on the center roof 6 can be satisfactorily maintained while being in the form of a simple cabin roof 2 surface.

  According to a third aspect of the present invention, the rearview mirror 13 is arranged outside the combination lamp 12 to prevent the GPS monitor 10 from entering the field of view of the rearview mirror 13 from the driver. And the visibility of both the GPS monitor 10 can be maintained satisfactorily. Further, the visibility by the driver is maintained well by bringing the room mirror 13 close to the GPS monitor 10.

The top view of a tractor. The side view. The front view. The perspective view of a cabin roof part. The figure explaining the cabin room inside seen from the back. The top view of the cabin room seen from the plane. The figure explaining the GPS monitor part seen from the front. The cabin roof seen from the side. The side view of the cabin of another Example. The perspective view of the cabin of another Example.

  Based on the illustrated example, the tractor vehicle body 1 includes a front wheel 16 that is steered by a steering handle 15 of a dashboard 14 portion, and a rear wheel 17 that is mounted on the rear portion of the vehicle body 1. This is a four-wheel running configuration in which the vehicle is driven and rotated by a mounted engine, and various working machines are mounted on the rear side of the vehicle body 1 so as to be able to be lifted and lowered via a lift link mechanism. It can be carried out. The cabin 20 is configured to cover the maneuvering portion extending from the driver's seat 21 to the dashboard 14 on the upper side of the vehicle body 1, and the front, rear, left and right side surfaces are made of transparent glass, and a column is supported on the square portion. The ceiling portion is covered with a cabin roof 2 made of resin or sheet metal, and is detachably mounted.

  The column portion mainly includes a front pillar 22 standing on both the left and right sides of the dashboard 14 and a rear pillar 23 standing on the rear end portion of the rear fender 32. A door glass 24 is provided at an intermediate portion of the rear fender 32. The door pillar 26 which mounts the hinge 25 is arranged. A space between the lower ends of each of the pillars 22, 23, 26 is formed in a girder-like shape by a windshield frame 27, a door glass frame 28, a rear side glass frame 29, a rear glass frame 30, and the like, and on the vehicle body 1 of the cabin 20 Easy to attach and detach. The upper ends of the pillars 22, 23, 26 are connected by a girder-shaped roof frame 31, and are superposed on the upper side of the roof frame 31 so as to cover the cabin roof 2 and are detachably attached. Between the left and right front pillars 22, a windshield 33 is provided so as to straddle the upper peripheral portion of the rear end of the bonnet 18, a rear side glass 34 is provided on the upper side of the rear fender 32, and a rear glass 35 is provided between the rear pillars 23. It is easy to see through the work situation on the outer periphery from the driver seat 21. An attachment stay 47 is provided along the upper portion of the front pillar 22, and the GPS monitor 10 is attached to the attachment stay 47.

  A central direction line a passing through the central position G of the vehicle body 1 in the front-rear direction through the central position in the tread direction, and a horizontal direction line b passing through the intermediate position in the wheel base direction between the front axle 36 and the rear axle 37 in the lateral direction; The center position of the front edge 19 of the cabin roof 2 is formed so as to be opposed to the center position G. The GPS antenna 5 is provided on the center position G of the front edge 19 of the cabin roof 2.

  The cabin roof 2 is formed with a center portion 6 in the middle in the width direction to be a center roof 6, and side roofs 7 on both the left and right sides are formed in a low shape, and a step 8 is formed therebetween. Further, the center roof 6 and the front edge 19 of the side roof 7 are formed on a front descending inclined surface, and the effect of raising the opposing wind pressure (wind cutting) during forward running is set satisfactorily. Further, a rearwardly inclined groove surface 38 is formed in the rear half of the side roof 7 so as to allow the rainwater to flow rearward satisfactorily.

  The cabin 20 is fitted and mounted so as to cover the upper side of the vehicle body 1 on which the dashboard 14, the driving floor 39, the driver's seat 21, the rear fender 32, and the like are formed, and the front pillars 22, the rear pillars 23, and the like. The lower end portion of the vehicle body is attached to and detached from the vehicle body 1 side support portion. Instead of such a form, the cabin 14, in which the dashboard 14, the driving floor 39, the driving seat 21, the rear fender 32, and the like are integrally formed, is mounted on the upper side of the vehicle body 1, and each of the pillars 22, 23 is mounted. It is also possible to adopt a form in which the lower end portion of the vehicle is mounted while being supported by a damper of the vehicle body side support portion.

  In the form in which the cabin 20 is mounted on the upper side of the vehicle body 1, an air conditioner duct 41, a duct port 42, and the like are arranged in the cabin room 9, and the sun visor or sun shade is widened horizontally along the upper edge of the windshield 37. 43 is provided, and the rear-view mirror 11 and the GPS monitor 10 are arranged at the upper and lower positions on the right-hand side front side. The rearview mirror 13 is attached to the right outer side of the front pillar 22 via a bracket arm 44, and the combination lamp 12 is attached to the lower side via a bracket arm 45. The field of view m of the rearview mirror 13 of the driver M from the driver's seat 21 is arranged with the GPS monitor 10 being displaced toward the handle 15 side. An audio 46 is provided below the cabin roof 2.

  In a cabin such as a tractor vehicle body that works with the farm work equipment while traveling, the cabin will vibrate and oscillate, making it easy to receive a large amount of dust. It is easy to decrease and it is difficult to maintain accurate work accuracy.

  Here, the upper side surface portion of the cabin roof 2 where the front-rear direction line a of the substantially central position of the tread width of the vehicle body 1 intersects the lateral line b of the substantially central portion of the wheel base is positioned higher than the upper surface of the leaf 2. Thus, a mounting stay 4 having a horizontal mounting seat 3 is formed, and a tractor cabin is constructed in which a GPS antenna 5 is mounted on the mounting seat 3. The horizontal plane shape may be a horizontal plane or substantially a horizontal plane.

  The attachment stay 4 is attached by bolts c before and after a bulging portion 6a formed at the front portion of the center roof 6. The front and rear mounting portions of the bulging portion 6a and the mounting stay 4 are formed in a horizontal plane so that the bolt c can be easily assembled.

  The upper side surface portion of the cabin roof 2 above the center position G of the vehicle body 1 is displaced in the vertical direction due to the inclination of the vehicle body 1 regardless of whether the vehicle body 1 is inclined in the front-rear direction or the left-right direction. The movement height is low. Therefore, the GPS antenna 5 mounted on the upper surface of the roof 2 immediately above the center G position of the vehicle body 1 is also reduced in the vertical vibration and swinging, and the position information detection action by the antenna 5 is stabilized. . Further, since the GPS antenna 5 is mounted on the upper surface of the mounting surface 3 that is higher than the upper surface of the roof 2 and in the horizontal plane or substantially horizontal plane, the GPS antenna 5 may come into contact with or reflect on a protruding member or the like near the outer peripheral surface of the GPS antenna 5. The surface of the roof 2 located on the outer periphery of the GPS antenna 5 is not subject to irregular reflection obstacles, and even if rainwater or the like is received. This makes it easy to receive, reduces adhesion of water droplets, sticking, etc., improves the cleaning effect of mud and dust, maintains the detection accuracy of the GPS antenna 5 well, and performs a stable detection operation.

  Further, the GPS antenna 5 often has a gyro sensor, and in the form of detecting the inclination angle of the cabin roof 2, the GPS antenna 5 is attached to the attachment seat 3 of the attachment stay 4 having the above-described configuration. Can be detected.

  Further, a center roof 6 bulging over an appropriate width region on the upper surface of the front edge formed on the front descending inclined surface at the front end portion of the cabin roof 2, and the center roof 6 over the width regions on both the left and right sides. A lower side roof 7 is formed in a step 8 form, and the mounting stay 4 is attached to the upper surface of the front edge 19 of the center roof 6.

  Since the GPS antenna 5 is attached to the side roof 7 with the front and lower inclined surface and the mounting seat 3 on the upper surface of the mounting stay 4 higher than the center roof 6, the height from the side roof 7 surface or the center roof 6 surface is high. The distance between the roofs 7 and 6 can be reduced to reduce the input of reflected signals. Further, even if rainwater is received during reception by the GPS antenna 5, it is difficult to receive reflections and splashed water on the GPS antenna 5, and the swelled portion 6a and the step portions 8 on both the left and right sides can quickly flow down to the side roof 7 surface. By doing this, the flow of wind is good and draining is good, and the detection accuracy of the information signal of the GPS antenna 5 is increased.

  Furthermore, a GPS monitor 10 and a room mirror 11 are arranged on the front side of the left and right sides of the cabin room 9 below the cabin roof 2 to which the GPS antenna 5 is attached. The combination lamp 12 and the rearview mirror 13 are provided in the section, the rearview mirror 13 is provided at the left and right outer positions with respect to the combination lamp 12, and the GPS monitor 10 is disposed at substantially the same height as the rearview mirror 13. .

  Information received by the GPS antenna 5 and control values processed based on this information are displayed on the GPS monitor 10. The driver of the driver's seat 21 operates while looking at the GPS monitor 10 and the like. Since the GPS monitor 10 is provided on the left and right one front side under the roof 2 in the cabin room 9, it is easy to see according to the direction of the combination lamp 12, the rearview mirror 13, etc., and these Since the direction of the combination lamp 12 and the rearview mirror 13 is slightly deviated from the left and right, it is possible to perform driving operations with partial accuracy without interfering with the perspective. In addition, it is easy to perform a driving operation by seeing through the front glass 33, the rear side glass 34, the door glass 24, etc. of the cabin room 9.

  The GPS antenna 5 may be configured as shown in FIGS. 9 and 10 as a configuration of another embodiment in which the upper surface of the cabin roof 2 is attached and detached. A front arm 50 and a side arm 51 are provided on the mounting stay 4, and the front ends of the arms 50, 51 are overlapped with the front end edge 52 of the cabin roof 2 and the lower surface of the side end edge 53. It is configured to be detachable by being joined to a plate 54 protruding from the side edge 53 and connected and fixed by tightening a bolt 55. The side arm 51 is formed in a hollow pipe shape, and a harness 56 for connecting the side arm 51 to the GPS monitor 10 is housed therein so that information can be input from the GPS antenna 5 to the GPS monitor 10.

1 Car body 2 Cabin roof 3 Mounting seat 4 Mounting stay 5 GPS antenna 6 Center roof 7 Side roof 8 Step 9 Cabin roof 10 GPS monitor 11 Room mirror 12 Combination lamp 13 Rearview mirror 14 Dashboard 15 Handle 16 Front wheel 17 Rear wheel 18 Bonnet 19 Roof front edge 20 cabin
a Front-rear direction line (center line)
b Horizontal line

Claims (3)

On the upper side of the resin-made cabin roof (2) where the front-rear direction line (a) at the approximate center position of the tread width of the vehicle body 1 intersects the lateral line (b) at the approximate center position of the wheel base, A mounting stay (4) having a substantially horizontal mounting seat (3) at a position higher than the upper surface of the roof (2) is formed, and a GPS antenna (5) is attached to the mounting seat (3) .
One end of the front arm (50) is attached to the front side of the mounting stay (4), and the other end of the front arm (50) is detachably attached to the lower surface of the front edge (52) of the cabin roof (2).
One end of each side arm (51) is attached to each of the left and right sides of the mounting stay (4), and the other end of each side arm (50) protrudes from the lower surface of the side edge (53) of the cabin roof (2). (54) A tractor cabin that is detachably attached to the cabin.   A center roof (6) formed to bulge over an appropriate width region on the upper surface of the front edge formed on the front descending inclined surface at the front end of the cabin roof (2), and the center over the width region on both the left and right sides. A side roof (7) formed lower than the roof (6) is formed in a step (8) form, and the mounting stay (4) is attached to the upper surface of the front end edge (19) of the center roof (6). The tractor cabin according to claim 1. A GPS monitor (10) and a room mirror (11) are arranged at the front of the left and right sides of the cabin room (9) below the cabin roof (2) to which the GPS antenna (5) is attached. A combination lamp (12) and a rearview mirror (13) are provided on the outer side of the cabin room (9), and the rearview mirror (13) is provided at a left and right outer position with respect to the combination lamp (12). The GPS monitor (10) is disposed at substantially the same height as the rearview mirror (13) ,
The tractor according to claim 1 or 2, wherein a harness (56) for connecting the GPS antenna (5) and the GPS monitor (10) is provided in a hollow portion inside the side arm (50) . cabin.

Images