JP3332943B2 - Work machine traveling frame - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001] The present invention relates to a traveling frame of a working machine such as a combine.

[0002]

2. Description of the Related Art Conventionally, Japanese Utility Model Laid-Open No. 60-1566 discloses a left and right vertical frame, a left and right front horizontal frame provided at predetermined intervals in the vertical frame, and a front horizontal frame. In a working machine provided with a traveling device consisting of a pair of left and right crawlers at a position below the body frame composed of a main beam in the front-rear direction provided on the lower surface of the The wheel and idle roller are mounted on a pair of left and right running frames in the front-rear direction, respectively, and the lower portions of the pair of left and right feet are fixed to the running frame at predetermined intervals in the front and rear, respectively. The description describes a structure in which the upper portion is fixed to the main beam and connected and fixed to the upper and lower middle portions of the left and right feet by a reinforcing member in the left and right direction.

[0003]

The running frame of the known example has a structure fixed to the lower end of the foot fixed to the main beam, so there is a concern about strength, and the position of the reinforcing member for reinforcing this is low. Therefore, there is a problem that the muddy soil adheres to the reinforcing member during traveling, the mud between the right and left crawlers is poor, and traveling is not stable.

[0004]

An object of the present invention is to provide a running frame which is stably reinforced at a high position and has a low adhesion of mud and a stable running.

[0005]

Therefore SUMMARY OF THE INVENTION The present invention includes a pair of vertical frames 3, 3 provided on the right and left side, a plurality provided at a predetermined distance before and after connecting the said longitudinal frame 3,3
Left between the lateral frame 4, 5, 6, 7, extending in the longitudinal direction that is fixed to the lower surface of the plurality of lateral frame 4,5,6,7
The right main beam 8 , 8 and the left and right main beam 8,
8, a body frame 1 comprising reinforcing frames 21 and 21 for reinforcing the front and rear portions of the body 8, a running frame 11 and 11 arranged below the main beams 8 and 8, and the running frames 11 and 11 are attached to the body frame 1 side. At least before fixing
In those composed of side foot 17 and the rear foot 19. The upper end of each of the front foot 17 and the rear foot 19, and the main beam 8, the front transverse frame 4, intermediate the front transverse frame 5, intermediate rear It is fixed to two places of the horizontal frame 6, the rear horizontal frame 7, and any one of the front and rear reinforcing frames 21 and 21 , and the front foot 17 and the rear
The lower end of the side foot 19 is a traveling frame of a working machine connected to the traveling frames 11,11.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings of an example of a combine frame. Reference numeral 1 denotes a combine body frame, and 2 denotes a traveling device provided below the body frame 1; A threshing device is provided at a position above the body frame 1, and a mowing part is provided at a position in front of the traveling device 2. The body frame 1 moves forward in the direction of the arrow (a). Therefore, 3 is a vertical frame in the front-rear direction of the body frame 1, 4 is a front horizontal frame in the left-right direction, 5 is an intermediate front horizontal frame, 6 Is an intermediate rear horizontal frame, and 7 is a rear horizontal frame. The vertical frames 3, 3 on the lower surface side of the horizontal frames 4, 5, 6, 7 are arranged at predetermined intervals in the horizontal direction in the front-rear direction. The long main beams 8, 8 are fixed. Reference numeral 10 denotes a vertical frame for reinforcement provided between the middle rear side horizontal frame 6 and the rear side horizontal frame 7 and provided on a lower surface side of the main beams 8, 8. In addition to the vertical frame 10, a reinforcing frame is provided at an appropriate place.

The traveling device 2 is provided at predetermined positions on the left and right sides below the body frame 1 at a predetermined interval. The details are shown in FIG.
The traveling frame 1 parallel to the vertical frames 3, 3 using
1, 11 are provided, and the rolling wheels 12, the idle rollers 13 and the intermediate wheels 14 are attached to the respective traveling frames 11 as shown in FIG. 2, and the crawlers 15 are respectively attached to the outer circumference of the driving wheels 16 fixed to the driving shaft. It is configured by hanging around. The main beams 8, 8 are provided with a front foot 17, an intermediate foot 18, and a rear foot 19 projecting downward at predetermined intervals in the front-rear direction. Each of the feet 17, 18, 1
A pair 9 is provided on the left and right, the upper part of which is fixed to the main beams 8 and 8, respectively, and the lower part of which is fixed to the running frames 11 and 11 (FIG. 2). As shown in FIG. 4, both ends of the front reinforcing member 20 in the left-right direction are fixed at the upper and lower intermediate positions on the front surfaces of the front feet 17, 17, and the front foot 17 is reinforced.

Then, as shown in FIG. 3, a rear reinforcing member 21 in the left-right direction is fixed to the upper surface side of the main beams 8, 8 to which the rear foot 19 is fixed. Therefore, the rear foot 19 is firmly fixed to the lower surface of the rear reinforcing member 21 and the side and lower surfaces of the main beam 8.

5 to 8 show another embodiment, in which 25 is an engine provided on the upper part of the body frame 1, 26 is an output shaft, 27 is an output pulley, and 28 is an intermediate pair formed with the output pulley 27. A pulley 29 is a belt, and the intermediate pulley 28 is fixed to one end of a left-right transmission shaft 30 parallel to the output shaft 26, and the other end of the transmission shaft 30 is connected to a gear box 31 provided on the body frame 1. Axle mounted. The gear box 31 is provided with another intermediate pulley 32 having a direction different from that of the intermediate pulley 28 by 90 degrees. The intermediate pulley 32 and a passive pulley provided in the unloading device of the Glen tank 33 provided on the body frame 1 are provided. The tension belt 35 is wrapped around the belt 34. A tension clutch pulley 36 is brought into contact with the belt 35.

The fuselage frame 1 is provided with a pipe protection member / belt removal prevention member 37 for preventing the belt 35 from coming off (FIG. 8). The belt disengagement prevention member 37 forms a bent portion 38 by bending the upper portion substantially at a right angle, and positions the bent portion 38 above the belt 35 to prevent disengagement. The lower part of the belt detachment prevention body 37 is bent at substantially right angles in the same direction as the bent portion 38, and has a downward U-shaped cross section formed on the pipe protection body 39. The lower edge of the pipe protection body 39 is It is brought into contact with the upper surface of the frame 1. A harness 41 composed of a fuel pipe extending from the engine 25 to a fuel tank 40 provided at the rear, a hydraulic pipe for an auger turning cylinder, an electric wire cord, and the like is inserted into the pipe protector 39. 35
To avoid contact. 42 is a belt detachment prevention body 3
7 is a stay for fixing the frame 7 to the body frame 1. The stay 42 is L-shaped, and the lower end is welded and fixed to the body frame 1, and the mounting bracket 57 is fixed to the stay 42 to fix the belt detachment prevention body 37.

9 to 14 show another embodiment, in which a base of a flexible drain hose 44 is connected to an oil pan 43 below the engine 25, and a drain plug is connected to the tip of the drain hose 44. 45 and the drain plug 45
Is attached to a guide plate 46 provided on the body frame 1. 47 is a bolt attached to the tip of the drain plug 45 (FIG. 10). The drain plug 45 is formed to have a smaller diameter than the drain hose 44, and an engagement groove is formed at the leading end of the drain plug 45 (not shown). The guide plate 46 is formed with an engagement hole 48 having substantially the same diameter as an engagement groove of the drain plug 45 and an engagement hole 49 communicating with the engagement hole 48. (FIGS. 13 and 14). When the guide plate 46 is slid in the direction of the arrow (b) with respect to the body frame 1 to engage the engagement groove of the drain plug 45 with the engagement hole 48,
The drain plug 45 is fixed to the guide plate 46. Also,
When the engagement hole 49 is aligned with the drain plug 45, the drain plug 45 can be pulled out together with the drain hose 44, and the oil is discharged in this state. In FIG.
Reference numeral 50 denotes a support member for supporting an intermediate portion of the drain hose 44, which is formed by two upper and lower plate members, and the drain hose 44 is inserted into a gap therebetween. The drain hose 44 is configured to be pushed in when the drain plug 45 is engaged with the engagement hole 48 and bend in the groove of the support member 50, thereby protecting the drain hose 44. In addition, the support member 50 is inclined lower as it reaches the body frame 1 side, so that oil is smoothly discharged.

FIG. 15 to FIG. 17 show another embodiment, in which an exhaust pipe 51 of the engine 25 is passed through the inside of the vertical frame 3. The outer circumference of the exhaust pipe 51 is covered with a heat insulating material 5.
2, an exhaust pipe 51 surrounded by a heat insulating material 52 is inserted from the rear of the vertical frame 3, and a mounting plate 53 provided at the rear end of the exhaust pipe 51 is fixed to the vertical frame 3. At the beginning of the exhaust pipe 51, the engine 2
Then, the tip of the connection pipe 55 connected to the muffler 54 is inserted. The exhaust pipe 51 is formed to have a larger diameter than the connection pipe 55, and a gap 56 is formed between the inner surface of the exhaust pipe 51 and the outer surface of the connection pipe 55 (FIG. 16). To cool the exhaust gas.

(Operation) Next, the operation will be described. When the engine 25 is started, the left and right driving wheels 16 rotate, and the left and right crawlers 15 wrapped around the driving wheels 16, the rolling wheels 12, the idle rollers 13, and the intermediate wheels 14 rotate to advance the body. Do the work.

The rolling wheels 12, idle rollers 13 and intermediate wheels 14 are provided on a traveling frame 11, and the traveling frame 1
1, a front foot 17, an intermediate foot 18, and a rear foot 19 are attached at predetermined intervals in the front and rear, and are supported by each foot. In this case, the lower surfaces of both ends of the rear reinforcing member 21 in the left-right direction are fixed to the upper surfaces of the main beams 8, 8 where the rear foot 19 is fixed, and the rear foot 19 is the lower surface of the rear reinforcing member 21. And the main beam 8 is firmly fixed to the side and lower surfaces of the main beam 8, so that the traveling frame 11 is securely supported. Also, the rear reinforcing member 2
1 is fixed to the main beams 8, 8, so that the mud passes under the rear reinforcing member 21 during traveling, so that the mud is well removed, there is no adhesion of straw mud, and the traveling stability is improved. .

[0015]

According to the present invention, a pair of vertical frames 3, 3 provided on the left and right sides and a plurality of horizontal frames 4, 5, 6, provided at predetermined intervals before and after connecting the vertical frames 3, 3 are provided. 7
Left and right main beams 8 , 8 fixed to the lower surfaces of the plurality of horizontal frames 4, 5, 6, 7 and extending in the front-rear direction ;
Reinforcing flanges for reinforcing the front and rear portions of the left and right main beams 8,8.
An airframe 1 comprising frames 21, 21 and a traveling frame 1 disposed below the main beams 8, 8
And 1 and 11, the machine frame the traveling frame 11, 11
At least the front foot 17 and the rear foot fixed to one side
19. The front foot 17 and the rear
The upper end of each of the side feet 19 is the main beam 8,
The front horizontal frame 4, the intermediate front horizontal frame 5, the intermediate rear horizontal frame 6, the rear horizontal frame 7, the front and rear reinforcing frames.
And the lower end of the front foot 17 and the lower end of the rear foot 19 are the traveling frames of the working machine connected to the traveling frames 11 and 11, respectively. , Especially front foot 17, rear
Since the upper end of the foot 19 is connected to the main beam 8 and the lateral frames 4, 5, 6, 7, and the front and rear reinforcing frames 21 and 21 , not only is a robust traveling frame, but also the reinforcing structure is at a high position. Therefore, there is an effect that adhesion of straw waste mud is small and maintenance can be easily performed.

[Brief description of the drawings]

FIG. 1 is a plan view.

FIG. 2 is a side view.

FIG. 3 is a rear view of a main part.

FIG. 4 is a front view of a main part.

FIG. 5 is a plan view of another embodiment.

FIG. 6 is a plan view of the main part.

FIG. 7 is a rear view of the same.

FIG. 8 is a perspective view of the same.

FIG. 9 is a plan view of another embodiment.

FIG. 10 is a plan view of the main part.

FIG. 11 is a perspective view of the same.

FIG. 12 is a front view of a support member.

FIG. 13 is a side view.

FIG. 14 is a side view of the guide.

FIG. 15 is a plan view of another embodiment.

FIG. 16 is a sectional view of the main part.

FIG. 17 is a perspective view of an attached state.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Body frame, 2 ... Traveling device, 3 ... Vertical frame, 4
... front side horizontal frame, 5 ... middle front side horizontal frame, 6 ... middle rear side horizontal frame, 7 ... rear side horizontal frame, 8 ... main beam, 10 ... vertical frame, 11 ... running frame, 12 ... wheel, 1
3 ... idle roller, 14 ... middle wheel, 15 ... crawler,
16 ... drive wheel, 17 ... front foot, 18 ... middle foot,
19: rear foot, 20: front reinforcing member, 21: rear reinforcing member, 25: engine, 26: output shaft, 27: output pulley, 28: intermediate pulley, 29: belt, 30: transmission shaft, 31: gear Box, 32 ... Intermediate pulley, 33 ... Glen tank, 34 ... Passive pulley, 35 ... Belt, 36 ...
Tension clutch pulley, 37: pipe protection member / belt preventing body, 38: bent portion, 39: pipe protection body, 4
0: fuel tank, 41: harness, 42: stay, 43
... oil pan, 44 ... drain hose, 45 ... drain plug, 46 ... guide plate, 47 ... bolt, 48 ... engaging hole, 4
9 ... engagement hole, 50 ... support member, 51 ... exhaust pipe, 52
... heat insulating material, 53 ... mounting plate, 54 ... muffler, 55 ... connecting pipe, 56 ... gap, 57 ... mounting bracket.

Continuation of the front page (56) References JP-A-62-58926 (JP, A) JP-A-62-3713 (JP, A) JP-A-53-98129 (JP, U) JP-A-2-102886 (JP) , U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B62D 55/10 A01D 67/00

Claims (1)

(57) [Claims] A pair of vertical frames provided on the left and right sides.
When a plurality of transverse frame 4, 5, 6, 7 provided at a predetermined distance before and after connecting the said longitudinal frame 3,3, said plurality
Left and right main beams 8 , 8 extending in the front-rear direction fixed to the lower surfaces of several horizontal frames 4, 5, 6, 7 ;
Reinforcing frame 2 for reinforcing the front and rear parts of main beams 8, 8
A body frame 1 made of Metropolitan 1,21, the main beam 8, 8 of the traveling frames 11, 11 disposed below
And at least a front foot 17 and a rear foot 19 for fixing the traveling frames 11, 11 to the body frame 1 side , wherein the front foot 17 and the rear foot
19 the upper end of each of said main beam 8, the front transverse frame 4, intermediate the front transverse frame 5, intermediate rear transverse frame 6, the rear transverse frame 7, the front and rear reinforcing frame 21,
Fixed to two places with any one of 21, the front
The lower ends of the side foot 17 and the rear foot 19 are the traveling frames of the working machine connected to the traveling frames 11,11.