JP2585133Y2 - Airframe structure of mobile agricultural machine - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a frame structure of a mobile agricultural machine provided with a mounting plate for mounting a front axle.

[0002]

2. Description of the Related Art In general, a mobile agricultural machine such as a riding rice transplanter is known in which a front axle is attached to an outer peripheral frame that constitutes a body frame. It is desired that this type of body frame be as simple as possible in structure and as light as possible.

[0003]

However, an engine, a transmission case, and the like are mounted on the body frame to which the front axle is attached, and furthermore, the steps need to be firmly supported on the upper surface of the outer peripheral frame. When trying to reduce the weight of the frame by using a pipe material or the like, there is a concern that the strength below the step may be insufficient. Further, the conventional body frame has a disadvantage that the structure of the body frame is complicated because the support boss is separately mounted to attach operation pedals such as a clutch pedal and a brake pedal. The present invention has been made in order to solve the above-described problems.Even in the case of an airframe made of a lightweight pipe material, a frame structure having high rigidity is used to reduce the strength below the steps. can be improved, moreover mission Quai
Base and front axle can be easily installed
It is another object of the present invention to provide a frame structure of a mobile agricultural machine having a simple structure in which an operation pedal can be mounted without separately mounting a support boss .

[0004]

Means for Solving the Problems To solve the above-mentioned problems, a technical means taken by the present invention is a mobile agricultural machine in which a front axle is attached to left and right outer peripheral frames constituting a body frame. To Mission
A cross beam member with a bracket to fix the case
Only, the proximal end of the cross beam member connected to right and left peripheral frame, extending fixed mounting plate over the front and rear cross beam member
A front axle on the front end side of the mounting plate.
The mounting surface provided with a, suspended from the rear end side of the mounting plate
A mounting hole for an operation pedal is provided in the wall plate portion .

[0005]

Therefore, according to the present invention, the left and right outer frames forming the body frame are firmly connected by the cross beam member, and the mounting plate is fixed to the base end of the cross beam member.
Tei Runode, peripheral frame reinforced with cross beam member and the mounting plate is the strength of the step below is improved a higher frame structure rigid. And a bracket suspended from the cross beam member
To secure the transmission case, and at the base end of the cross beam member
The mounting plate fixed to the section extends
Is installed on the front end of the mounting plate.
The front axle can be easily mounted on the surface.
Also, on the rear end side of the mounting plate, a wall plate is provided.
Since the operation pedal can be attached to the attachment hole, there is no need to separately attach a support boss or the like, and the structure of the body frame is simplified.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described in detail with reference to the accompanying drawings. Reference numeral 1 denotes a traveling body of a riding rice transplanter exemplified as a mobile agricultural machine. An engine 5 is mounted on a front part of a body frame 4 having a front wheel 2 and a rear wheel 3, and a driver's seat 6 is disposed behind the engine 5. I have. Reference numeral 7 denotes a planting portion including a seedling mounting table 8, a float 9, a planting planting rod 10, and the like. The planting portion 7 is supported at the rear of the traveling machine body 1 via a ring mechanism 11 so as to be able to move up and down. . Reference numeral 12 denotes steps supported by the body frame 4.

The body frame 4 is made of a lightweight pipe material. As shown in FIGS. 1 and 2, the body frame 4 forms an outer periphery of a front part of the body and protrudes rearward provided below the inside of the outer frame 13. It is composed of left and right lower frames 14. The outer peripheral frame 13 is formed by a left outer peripheral frame 15 and a right outer peripheral frame 16. Both the outer peripheral frames 15, 16 pass through the outside of the boss portions of the left and right front axles 17, 18 and form a straight line in the front-rear direction. Are located. A bent portion 15a facing the front of the engine base 19 is formed on the front end side of the left outer frame 15, and a bent portion 16a facing the rear of the engine base 19 is formed on the right outer frame 16. Both outer frames 15, 16 are integrally connected and fixed by an engine base 19 straddling the bent portions 15a, 16a. The step 12 is supported on outer peripheral frames 15 and 16, and the engine 5 is mounted on the engine base 19. 20 is the engine 5 P
The TO pulley mounting shaft 21 is a vibration-proof rubber. 22 is a cross beam member connecting the left and right outer peripheral frames 15 and 16;
Reference numeral 3 denotes a bracket which is suspended substantially at the center thereof. The front end of the lower frame 14 is fixed to the rear surface of the bracket 23, and the transmission case 24 is fixed to the front surface of the bracket 23.

[0008] 25, 25 is provided at the base end of the cross beam member 22
The mounting plate 25 also functions as a reinforcing member for the outer frame 13. That is,
The mounting plates 25, 25 are provided on the lower surface side of the base end portion of the cross beam member 22, respectively, and extend long before and after the cross beam member 22 along the left and right outer frames 15, 16, respectively. Left and right peripheral frames 15, 16
And a reinforcing member for increasing the strength of the outer peripheral frame 13. On the front end side of the mounting plate 25, front axles 17, 18 are fixed via bolts 27 to a mounting surface 26 bent downward. A wall plate 28 is vertically provided at the rear end side of the mounting plate 25 so that an operation pedal such as a clutch pedal or a brake pedal can be mounted in a mounting hole 29 provided in the wall plate 28. Has become. An attachment pipe 32 for supporting the rear end of the auxiliary seedling stand 31 is fixed to a bent portion 30 formed at the rear end of the wall plate portion 28. Further, the return spring of the operation pedal is operated by using the bent portion 30. Can be locked. A support frame 33 supports the front end of the auxiliary seedling stand 31.

Numeral 34 denotes a rear axle support frame provided on the lower frame 14. The rear axle support frame 34 is formed by curving upwardly both end portions of both ends of a pipe member 35 fixed across the left and right lower frames 14, 14. Project
The intermediate portion is welded to the inside of the rear end of the outer peripheral frame 13, and the lowered rear end is fixed to the rear ends of the lower frames 14, 14, thereby being integrally formed in a loop shape. Reference numeral 36 denotes a horizontal pipe connecting the upper part of the rear axle support frame 34, and the horizontal pipe 36 supports and reinforces a seat support frame 37 erected on the lower frame 14 from below. Reference numerals 38, 38 denote left and right mounting seats fixed to the rear end of the rear axle support frame 34. The left and right sides of a rear axle 39 are mounted on the mounting seats 38, 38, and the mounting seats 38, 38 are connected. A center connection plate 41 that supports the center of the rear axle 39 is formed at an intermediate portion of the connection pipe 40.

In the above-described configuration, the outer peripheral frame 13 forming the outer periphery of the front part of the body is formed by the left and right outer peripheral frames 1.
Since the engine base 5 and 16 are integrally connected and fixed by the engine base 19, the engine 5 can be easily mounted, and the left and right outer peripheral frames 15 and 16 can be mounted on the front axle 1.
Since the outer peripheral frame 13 is arranged linearly through the outside of the boss portions 7 and 18, the overall shape of the outer peripheral frame 13 is simplified, and the width of the outer peripheral frame 13 is increased as much as possible to facilitate the support of the step 12. it can. And the left and right outer peripheral frames 15, 16
Are connected by the cross beam member 22, and the long mounting plate 25 before and after welding to the base end of the cross beam member 22 is a strong reinforcing material, so that the left and right outer peripheral frames 15, 16 have a highly rigid frame structure. Therefore, the strength below the step 12 is improved, and the step 12 can be reliably and firmly supported. And a bracket suspended from the cross beam member 22.
The transmission case 24 can be fixed to the front of the
Attachment plate 25 fixed to the base end of the cross beam member 22
Is extended long before and after the cross beam member 22.
The mounting surface 26 provided on the front end side of the mounting plate 25
Front axle 17, 18 can be easily installed
You. Further, the wall plate portion 28 hanging from the rear end side of the mounting plate 25 is provided with the mounting hole 29 only by providing the clutch pedal,
Since an operation pedal such as a brake pedal can be attached, there is no need to separately install a support boss or the like as in the related art, and the structure of the body frame is simplified. On the other hand, since the left and right lower frames 14, 14 projecting rearward are provided with the rear axle support frame 34 formed in a loop shape, the rear axle support frames 34 are attached to the mounting seats 38, 38 fixed to the rear end of the rear axle support frame 34. 39 can be firmly attached.

[0011]

[Effect of the Invention] In short, the present invention relates to a mobile agricultural machine in which a front axle is attached to the left and right outer peripheral frames constituting the body frame ,
Cross beams with brackets to fix the transmission case
The member is provided, on the proximal end of the cross beam member connected to right and left peripheral frame, extending fixed mounted over the front and rear cross beam member
Since a plate is provided , a front axle mounting surface is provided on the front end side of the mounting plate, and a mounting hole for the operation pedal is provided on a wall plate portion vertically provided on a rear end side of the mounting plate. The left and right outer frames are firmly connected by a cross beam member, and the mounting plate is fixed to the base end of the cross beam member, so that the left and right outer frames have a highly rigid frame structure, and the strength below the step Can be improved.

[0012] Then, with a bracket suspended from the cross beam member,
The transmission case can be fixed and the cross beam
The mounting plate fixed to the base end of the member
Extending on the front end of the mounting plate.
The front axle can be easily mounted on the girder mounting surface.
it can. In addition, a wall plate portion is provided on the rear end side of the mounting plate.
Since the operation pedal can be mounted in the mounting hole provided in the frame, there is no need to separately mount a support boss or the like, and the structure of the body frame can be simplified.

[Brief description of the drawings]

FIG. 1 is a plan view of a main part.

FIG. 2 is a side view of the same.

FIG. 3 is an overall side view of the mobile farm machine.

FIG. 4 is a plan view of the same.

FIG. 5 is a perspective view of the same.

FIG. 6 is a front view of an engine mounted on an engine base.

FIG. 7 is a side view of the same.

[Explanation of symbols]

4 Body frame 15 Left outer frame 16 Right outer frame 17, 18 Front axle 22 Cross beam member 23 Bracket 24 Transmission case 25 Mounting plate 26 Mounting surface 28 Wall plate 29 Mounting hole

Claims (1)

(57) [Scope of request for utility model registration] 1. A mobile agricultural machine in which a front axle is attached to left and right outer peripheral frames constituting a body frame,
Fix the transmission case to the left and right outer frames .
The cross beam member that vertically the bracket is provided that, on the proximal end of the cross beam member connected to right and left peripheral frame, provided extending fixed mounting plate over the front and rear cross beam member, the front end of the mounting plate Provide front axle mounting surface
At the same time , operate on the wall plate hanging from the rear end of the mounting plate
An aircraft frame structure in a mobile agricultural machine, wherein a pedal mounting hole is provided .