JPH0539209U - Center marker in agricultural work vehicle - Google Patents

Abstract

(57) [Summary] [Object] The present invention provides an agricultural work vehicle in which the height and front-back position of the center marker with respect to the position of the eyes of the driver can be easily adjusted and the storage position can be maintained without damage. It is intended to provide a center marker. [Structure] An agricultural work vehicle in which an engine and a steering operation unit are provided in a front part of a machine base having front wheels and rear wheels, a driver's seat is arranged behind the machine and a center marker 26 is provided in the center of the front part. A center marker in an agricultural work vehicle in which the center marker 26 is configured to be expandable and contractible and a lower end portion of the center marker 26 is rotatably supported by a lower portion of a bumper 23.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 According to the present invention, an engine and a steering operation section are provided at the front of a machine base having front wheels and rear wheels, a driver's seat is provided at the rear of the machine base, and a center marker is provided at the center of the front to install the center marker. Agricultural work vehicle used as a running index.

[0002]

[Prior Art]

 The center marker of an agricultural work vehicle is one that is erected on the front of the hood diagonally forward and is extendable and expandable, or has a fixed length attached to the front of the machine base so that it can be tilted back and forth. Already known.

[0003]

[Problems to be solved by the device]

 Among the markers in the known agricultural work vehicle, the former expands and contracts with a certain tilted posture, so when expanding and contracting to fit the driver's line of sight, the mark part at the tip also moves back and forth, creating a visual sensation. It shifts. In addition, the latter has the same problem as the former because it rotates a fixed length back and forth, and since neither the former nor the latter can be stored, when storing or running on the road. There was a problem such as damage.

[0004]

[Means for Solving the Problems]

 The present invention is an agricultural work vehicle in which an engine and a steering operation unit are provided at the front of a machine base having front wheels and rear wheels, a driver's seat is provided at the rear, and a center marker is provided at the center of the front. The center marker can be expanded and contracted and the lower end of the center marker is rotatably supported on the lower part of the bumper, so that the driver can easily adjust the condition so that the driver can easily see it. The above problem was solved by making it possible to convert.

[0005]

[Operation] When performing work, the marker is erected diagonally upward and forward, and the forward / backward rotation adjustment and expansion / contraction adjustment are performed to adjust the tip point to the height and front / rear position most suitable for the driver. When running or stowed, it will not be damaged by turning it backwards in a contracted state so that it will follow the front surface within the height of the bonnet, or turning downward and entering below the chassis. To do so.

[0006]

【Example】

 A passenger rice transplanter according to an embodiment of the present invention will be described below. The main frame 1 is composed of an upper frame 2 and a lower frame 3, and the upper frame 2 is composed of left and right upper vertical frames 2a, 2a. The front part is bent to form a series, and the front part, the middle part and the rear part are connected by the upper horizontal frame 2b .. to form a frame body, and the lower frame 3 is connected to the upper vertical frame 2a. The front and rear ends of the lower vertical frames 3a, 3a having a narrower space are connected to each other by the mission case mounting plate 5, the rear axle case support plate 6 and the lower horizontal frame 3b to form a frame body. The upper part of the transmission case mounting plate 5 is welded to the upper horizontal frame 2b in the middle of the upper frame 2, and the horizontal square pipe 8 is attached to the seat frames 7 and 7 standing on the rear part of the lower frame 3. The upper frame 2 and the lower frame are joined together by fixing both ends to the upper vertical frames 2a, 2a, bending the rear ends of the upper vertical frames 2a, 2a downward, and welding the lower ends to both ends of the lower horizontal frame 3b. 3 are connected together.

A rear surface of the mission case 10 is screwed to the mission case mounting plate 5, and a right side surface of the mission case 10 is screwed to a receiving member 11 welded to the upper frame 2. Since the engine base 12 is attached to the lateral portion of the vehicle and the upper horizontal frame 2b in the front, and the engine 13 is attached to the engine base 12 via a vibration-proof rubber or the like, the engine 13 and the mission case 10 are separately provided. When only the mission case 10 is removed, the engine 13 is left as it is, the belt 15 is removed by retracting the tension pulley, and the bolts are removed from the receiver 11 and the mission case mounting plate 5, as shown in FIG. As shown, the mission case 10 can be taken out downward.

The auxiliary seedling frame 16 having a plurality of preliminary seedling dishes 17, 17 arranged on both sides of the front part of the machine body has a downward U-shape in which the rear part hangs longer than the front part in a side view, and the rear part At the lower end of the hanging portion, a supporting shaft 18 is provided so as to project rearward, and both end portions of a supporting frame 20 formed of a lateral rectangular pipe welded to the front upper surface of the lower frame 3 are slanted upward. The support shaft 18 is inserted into and removed from the pipes 21 and 21 fixed to the upper ends thereof so as to be able to be inserted, removed, rotated, and fixed. Further, a U-shaped frame rod 19a to which an elevating step 19 is attached is fixed to an intermediate portion of the upper vertical frame 2a of the upper frame 2, and a front portion of the frame rod 19a intersects with the support frame 20. Since they are welded to the part, they will reinforce each other and the rigidity of both parts can be improved. Reference numeral 24 is a side marker attached by a wing bolt 24a so as to have a use posture that projects to the side and a storage posture that pivots inward.

A bumper 23 is attached to the front surface of the upper frame 2, and an intermediate portion of a support rod 25 mounted on the upper frame 2 by being interposed between the bumper 23 and the front surface of the upper frame 2. Has a center marker 26 whose lower end portion is curved rearward rotatably supported by a pin 27 so that the center marker 26 can be slidably fitted to a plurality of pipes having different diameters. The index body 28 is attached to the tip of the driver, and the front-back angle and length are adjusted according to the eye height of the driver seated in the driver's seat 30 during work. However, when traveling on the road, or when the work is completed and stored, etc., it is contracted and pivoted rearward so as to be close to the front surface of the bonnet 31.

Reference numeral 32 denotes a battery disposed on the right front part of the upper frame 2, which is lower than that shown in FIG. 5 and is housed in a storage box 33 whose outside is open. The front plate 35a and the rear plate 35b fixed to the right front part 2c of 2 are provided with a guide groove 36 in which the upper part is bent inward and the outer part is slanted downward from the bent part 36a. A regulating bolt 37, which is screwed from the inside into a screw hole in the upper middle of the box 33, is slidably inserted into the guide groove 36. The bumper 23 is divided at the front of the battery 32 and the divided portions are connected by a hinge 38. Therefore, when the battery 32 stored in the state (a) is taken out, the nut 39 on the right rear portion is pulled out, the split portion 23a of the bumper 23 is rotated forward to the released state, and the storage box 33 is slanted. When it is lifted to the upper outside, the restriction bolts 37, 37 move to the bent portion 36a of the guide groove 36, and the battery 32 rises to the position (b). Next, when it is moved diagonally outward on the left side, the regulation bolts 37, 37 are guided by the guide groove 36 and move to the lower end thereof, and the battery 32 moves outward and downward to the state of (c). After that, it can be easily taken out from the storage box 33 to the side.

Further, brackets 40 a, 40 a hanging down from an intermediate portion of the upper frame 2 rotatably support a lateral brake pedal shaft 40, and the brake pedal shaft 40 is more than the upper frame 2. The boss of the right brake pedal 41 is rotatably mounted on the extending portion, and the boss of the left brake pedal 42 is mounted so as to rotate integrally with the boss of the right brake pedal 41. The protruding arm 41b and the arm 42b protruding from the brake pedal shaft 40 are linked to the brake arms 46 and 46 of the rear axle case 45 by rods 43 and 43, and the clutch pedal shaft 47 connects and disconnects the main clutch. By attaching the boss of the pedal 48 and extending the brake pedal shaft 40 to the outside of the upper frame 2. The left and right brake pedals 41 and 42 can be easily assembled, and the arm portion of the pedal is formed in a straight shape, and it is not necessary to have a complicated structure such as bending outward as in the conventional case.

In the figure, 50 is a top link, 51 is a pair of left and right lower links, and a planting device, a fertilizer applicator, a spreader, and other working machines are selected for the frame connected to the rear of them. Can be installed. Reference numeral 52 is a propeller shaft, 53 is a front portion of the bonnet 31, both sides thereof, between the operation panel and the lower seat cover 54, and a series of steps on both sides of the lower seat cover 54, and 55 is a front portion support of the step 53. It's money.

[0013]

[Effect of the device]

 According to the present invention, as described above, the engine and the steering operation part are provided in the front part of the machine base having the front wheels and the rear wheels, the driver's seat is arranged behind them, and the center marker 26 is provided in the center of the front part. In the agricultural work vehicle, the center marker 26 is configured to be extendable and retractable, and the lower end portion thereof is rotatably supported on the lower portion of the bumper 23. By doing so, it is possible to easily adapt to the height of the eyes of the driver seated in the driver's seat and the optimum distance from the eyes, and to reduce the size when driving on the road or when storing the aircraft. When the center marker 26 is rotated in this state, it can be stored in a state of being brought close to a bonnet or the like, and the center marker 26 can be prevented from colliding with an obstacle and being damaged.

[Brief description of drawings]

FIG. 1 is a side view of a riding rice transplanter.

FIG. 2 is a plan view of the same.

FIG. 3 is a front view of the same as above with a bonnet, an operation panel and the like omitted.

FIG. 4 is a front view of a seat frame.

FIG. 5 is a front view of a bumper and a battery mounting portion.

FIG. 6 is a plan view of a frame.

FIG. 7 is a side view of the same.

FIG. 8 is a side view of an engine and a mission case.

FIG. 9 is a rear view of a pedal support portion.

[Explanation of symbols]

 1 Main Frame 2 Upper Frame 3 Lower Frame 5 Mission Case Mounting Plate 8 Horizontal Square Pipe 10 Mission Case 13 Engine 16 Auxiliary Seedling Frame 19 Lifting Step 20 Support Frame 23 Bumper 26 Center Marker 32 Battery 33 Storage Box 36 Guide Groove 37 Regulation Bolt

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shuji Tanaka, 667 Izuya-cho, Higashi-Izumo-cho, Yatsuka-gun, Shimane Prefecture 1 Mitsubishi Agricultural Machinery Co., Ltd. Address 1 Within Mitsubishi Agricultural Machinery Co., Ltd.

Claims (1)

[Scope of utility model registration request] 1. An engine and a steering operation section are provided in a front part of a machine base having front wheels and rear wheels, and a driver's seat is arranged behind the engine and the steering operation section.
An agricultural work vehicle in which a center marker 26 is provided in the center of the front part, wherein the center marker 26 is configured to be expandable and contractible, and the lower end portion thereof is rotatably supported on the lower part of the bumper 23. Center marker in the car.