JPH05123008A - Transmission-installing device in agricultural working truck - Google Patents

Abstract

PURPOSE:To provide the title device designed to attach/detach a transmission singly by making up a machine frame with both upper and lower frames and equipping the front end of the lower frame with the transmission so as to be located below an engine. CONSTITUTION:A machine frame is made up with an upper frame 2 and lower frame 3, and an engine 13 is mounted on such a part of the upper frame as to be forwardly extended from the front end of the lower frame. A transmission 10 is detachably installed at the front end of the lower frame so as to be located below the engine.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has an engine mounted on the front part of a machine base having a traveling device, and is transmitted to a transmission through a removable transmission device and distributed to the traveling device and a working machine. The present invention relates to a transmission installation device for an agricultural work vehicle.

[0002]

2. Description of the Related Art A transmission device for an agricultural work vehicle is known to be directly connected to a front engine and supported by a machine base, or is integrally constructed with a rear drive unit and supported by the machine base. ing.

[0003]

Among the known gears for mounting the transmission of the agricultural work vehicle, the one directly connected to the former engine can be structurally compact, but when the maintenance of the transmission is performed, The transmission cannot be removed individually, and it is necessary to remove it from the machine base together with the engine, which complicates the work. Also, the latter one integrated with the rear drive unit not only has to be removed from the machine base, but also the entire drive unit must be disassembled, which further complicates the work.

[0004]

According to the present invention, an engine is mounted on a front portion of a machine base having a traveling device, and the engine is transmitted to a transmission via a removable transmission device and distributed to the traveling device and a working machine. In the riding work machine thus configured, the machine base is composed of an upper frame and a lower frame that are integrally coupled, and the engine is mounted on a portion extending forward from the front end of the lower frame of the upper frame, The transmission is removably attached to the front end of the lower frame as a lower part of the engine to solve the above-mentioned problems.

[0005]

Operation: The power from the engine mounted on the front of the machine base is transmitted via the removable transmission to the transmission detachably mounted on the mission case mounting plate below the front of the machine base. While driving the traveling device, on the other hand, it drives the work machine mounted on the rear side. When inspecting and servicing the transmission, the engine can be left as it is, the transmission between the engine and the transmission can be removed, and then the transmission can be removed from the lower frame.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A passenger rice transplanter according to an embodiment of the present invention will be described. The main frame 1 is composed of an upper frame 2 and a lower frame 3, and the upper frame 2 is a left and right upper vertical unit. By bending the front parts of the frames 2a, 2a, a series is formed, and by connecting the front part, the middle part and the rear part with the upper horizontal frame 2b ...
The lower frame 3 is formed by connecting the front and rear ends of the lower vertical frames 3a, 3a, which are narrower than the upper vertical frame 2a, by a mission case mounting plate 5, a rear axle case support plate 6 and a lower horizontal frame 3b. A frame body, and the upper part of the mission case mounting plate 5 is welded to an upper horizontal frame 2b in the middle of the upper frame 2,
Seat frames 7, 7 installed upright on the rear part of the lower frame 3
The horizontal rectangular pipe 8 is welded to the upper vertical frame 2a, 2a is fixed to both ends thereof, the rear end of the upper vertical frame 2a, 2a is curved downward, and the lower end thereof is lower horizontal frame 3b.
The upper frame 2 and the lower frame 3 are integrally joined by welding to both ends of the.

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

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 part, a supporting shaft 18 is provided so as to project rearward, and both ends of a supporting frame 20 formed of a lateral square pipe welded to the front upper surface of the lower frame 3 are slanted upward. Pipe 2 bent toward and fixed to the upper end
The support shafts 18 are inserted into the reference numerals 1 and 21 so that they can 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 portion, they reinforce each other, and the rigidity of both can be improved. Reference numeral 24 is a side marker attached by a wing bolt 24a so as to have a use posture that protrudes to the side and a storage posture that rotates inward.

A bumper 2 is provided on the front surface of the upper frame 2.
A center marker having a lower end curved rearward is provided at an intermediate portion of a support rod 25 which is attached to the upper frame 2 by interposing between the bumper 23 and the front surface of the upper frame 2. 26 is pivotally supported by a pin 27 so as to be rotatable forward and backward, and the center marker 26 is configured to expand and contract by sequentially slidably fitting a plurality of pipes having different diameters, and the center marker 26 is attached to the tip end portion. Is attached with an index body 28, and the front and rear angles and the length are adjusted according to the height of the eyes of the driver seated in the driver's seat 30 at the time of work, when traveling on the road or when the work is completed and stored. And the like, and is swung rearward so as to be close to the front surface of the hood 31.

Reference numeral 32 denotes a battery arranged on the right front part of the upper frame 2, which is housed in a storage box 33 which is lower than the battery 32 and whose outside is open, and which is located on the right front part 2c of the upper frame 2. Front plate 35a and rear plate 3 fixed to
5b, the upper part is bent inward downward, and the bent part 36a
A guide groove 36 having a slanting outer side is formed, and a regulating bolt 37 screwed from the inside into a screw hole in the upper middle of the storage 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 and the split portion 23a of the bumper 23 is rotated forward to the released state, and the storage box 33 is slanted upward. When lifted to the outside, the regulation bolts 37, 37 move to the bent portion 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 restriction bolts 37, 37 are guided by the guide groove 36 and move to the lower end thereof, and the battery 32 moves outward downward and into the state of (c), It can be easily taken out from the storage box 33 to the side.

Further, a horizontal brake pedal shaft 40 is rotatably supported by brackets 40a, 40a hanging from the middle portion of the upper frame 2, 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. The arm 41b and the arm 42b protruding from the brake pedal shaft 40 are linked to the brake arms 46, 46 of the rear axle case 45 by rods 43, 43, and the clutch pedal shaft 47 has a clutch pedal 48 for connecting and disconnecting the main clutch. The boss is attached to the left and right by extending the brake pedal shaft 40 to the outside of the upper frame 2. It is possible to assemble the brake pedal 41 easily, the arm portion a straight shape and without pedal, etc. to folding the outer side as in the prior art, it is not necessary to the complicated structure.

In the figure, reference numeral 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 part thereof. 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 the seat cover 54.
A series of steps 55 on both sides of step 53 is a front support gold of step 53.

[0013]

According to the present invention, the engine 13 is mounted on the front part of the machine base having the traveling device, and is transmitted to the transmission 10 via the detachable transmission device to be distributed to the traveling device and the working machine. In the riding work machine, the machine base is composed of an upper frame 2 and a lower frame 3 which are integrally connected, and the engine is mounted on a portion of the upper frame 2 extending forward from a front end of the lower frame 3. Since the transmission 10 is detachably attached to the front end of the lower frame 3 as a lower position than the engine 13, the transmission 10 can be independently taken out below the machine base.

[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 with the bonnet and operation panel 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 transmission.

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 6 Rear Axle Case Mounting Plate 8 Horizontal Square Pipe 10 Transmission 11 Receiving 12 Engine Base 13 Engine 15 Belt 20 Support Frame

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

Claims (1)

[Claims] 1. A riding work machine in which an engine 13 is mounted on a front part of a machine base having a traveling device and is transmitted to a transmission via a removable transmission device to be distributed to the traveling device and the working machine. Therefore, the machine base is composed of an upper frame 2 and a lower frame 3 that are integrally connected, and the engine 13 is mounted on a portion of the upper frame 2 that extends forward from the front end of the lower frame 3, and the transmission 1
Reference numeral 0 denotes a transmission mounting device for an agricultural work vehicle, which is detachably attached to the front end of the lower frame 3 as a lower position than the engine 13.