JP2002034319A - Cover device for engine of combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To spread the opening angle of an engine cover installed in a state to cover the engine from outside. SOLUTION: When an engine cover which covers an engine installed under side of a control room frame 4 for forming the control room 3 of a combine harvester from outside is operated to open, the rear part of the engine cover 7 turns and enters into a space (A) between the rear part of the control room frame 4 and the front part of a grain storage tank 14. The turning center (B) of the engine cover 7 is installed to the inside of the turning center of an opening and shutting door 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover device for an engine of a combine, and more particularly to an engine provided on an upper side of a traveling chassis below an operation room formed by an operation room frame on which an operator rides and operates. This is an engine cover that can be opened and closed freely to cover it.

[0002]

2. Description of the Related Art An operator rides in an operation room formed by an operation room frame in the upper front part of a traveling chassis of a combine, and starts an engine mounted above the traveling chassis below the operation room frame. Then, the combine is run, and the culm is cut by the front reaper, supplied to the threshing machine and threshed, and the threshed kernel is temporarily stored in the cereal storage tank.

When a problem occurs during the operation of the engine and when the engine is inspected, the engine is covered with the engine from the outside, and the engine is located at substantially the same position as the outer surface of the operation room frame.
The operator opens and closes the engine cover, which can be freely opened and closed by the opening / closing tool, and repairs and inspects a defective portion of the engine.

[0004]

The opening and closing device of the engine cover that covers the engine from the outside is provided at substantially the same position as the outside surface of the operation room frame, and the engine cover is opened. Engine cover 9
By not opening at 0 degree, the engine can be repaired,
And operation such as inspection were difficult, but by this invention,
It is intended to solve this problem.

[0005]

According to the present invention, there is provided the invention as set forth in the first aspect, wherein an operator is provided with an openable / closable door 5 at an upper front portion of the traveling undercarriage 2. Room 3 formed by operation room frame 4 operated by hand, and kernel storage tank 1 for storing kernels behind operation room frame 4
When the engine cover 7 is opened in a combine provided with an engine 6 and an openable / closable engine cover 7 that covers the engine 6 from the outside, the engine cover 7 is located below the engine cover 7. The engine cover device of the combine is characterized in that the portion is provided so as to rotate into a space (a) between the rear end of the operation room frame 4 and the front end of the grain storage tank 14. It is.

According to the second aspect of the present invention, the rotation center (b) of the engine cover 7 is controlled by the operation room frame 4.
3. The combine engine cover device according to claim 1, wherein the cover is provided at a predetermined distance inside from the center of rotation (c) of the opening / closing door 5.

According to the third aspect of the present invention, the position of the opening / closing member 26 of the opening / closing door 5 of the operation room frame 4 is provided above the engine cover 7. An engine cover device for a combine engine according to claim 2.

[0008]

The opening / closing door 5 that can be opened and closed can be opened and closed by an opening / closing member 26 provided on the operation room frame 4 at the upper front part of the traveling chassis 2 of the combine, and the operation room 3 formed by the operation room frame 4 is opened. An operator gets on and starts the engine 6 mounted above the traveling platform 2 below the operation room frame 4 to run the combine, and the grain stalk is cut by the front mower. Then, the grain is supplied to a threshing machine, threshed, and the threshed grain is temporarily stored in a grain storage tank 14.

When a problem occurs during the operation of the engine 6 and when checking the engine, when the engine cover 7 covering the engine 6 is opened from the outside, the rear end of the operation room frame 4 is The rear end of the engine cover 7 is provided so as to rotate into a space (a) between the front end of the storage tank 14 and the center of rotation of the engine cover 7 (b). The engine cover 7 positioned inside the rotation center (c) is opened to correct and inspect the defective portion of the engine 6.

The opening / closing member 26 of the opening / closing door 5 of the operation room frame 4 is provided above the engine cover 7.

[0011]

According to the first aspect of the present invention, when the engine cover 7 provided on the outside of the engine 6 is opened, the rear end of the engine cover 7 has the operation room frame forming the operation room 3. When the engine cover 7 is turned into a space (a) between the rear end portion of the grain storage tank 14 and the front end portion of the grain storage tank 14, the engine cover 7 opens greatly (90 degrees) to thereby open the engine 6. Repairs and inspections can be easily performed.

According to the second aspect of the present invention, when the opening / closing door 5 of the operation room frame 4 forming the operation room 3 is opened, the engine cover 7 can be opened.
Maintainability is improved. When the engine cover 7 is opened, the opening / closing door 5 can be operated to be opened by 180 degrees.

According to the third aspect of the present invention, when the door 5 is opened, the engine cover 7 can be opened and closed.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. An operation room frame 4 forming an operation room 3 is provided at a front upper portion of the traveling chassis 2 of the combine 1. On one side (right side) of the operation room frame 4, an operator moves up and down into the operation room 3. Door 5 that opens and closes when the door is opened
Are provided so as to be openable and closable. This operation room frame 4
The engine 6 is mounted on the upper side surface of the traveling chassis 2 below the lower side, and an engine cover 7 is provided on the right outside of the engine 6 so as to be openable and closable. The operation room frame 4, the engine cover 7, and the like will be mainly illustrated and described.

At the front of the traveling platform 2 of the combine 1, a mowing machine 8 is provided as shown in FIGS. 4 and 5, and the mowing grain culm cut by the mowing blade device 9 of the mowing machine 8 It is transferred to the rear upper part by the grain stem scraping transfer device 10 of the reaper 8,
The feed chain 12a and the holding rod 12b of the threshing machine 11 are delivered to the feed chain 12a and the holding rod 12b.
b), and it is configured to thresh in the threshing machine 11 during this transfer.

A traveling device 13 having a pair of left and right traveling crawlers 13a traveling on the soil surface is disposed below the traveling platform 2 of the combine 1 and threshing placed on the traveling platform 2 above. On the right side of the machine 11 in plan view, a grain storage tank 14 that collects and temporarily stores threshed and sorted kernels is mounted.

Behind the grain storage tank 14, a discharge support cylinder 15 having a vertical transfer spiral 15a for discharging the grains stored in the grain storage tank 14 to the outside of the machine is rotated in a substantially vertical posture. A discharge auger 16 is provided at the upper end of the discharge support cylinder 15, which is movably supported, and has a discharge spiral 16 a that discharges grains to the outside of the machine over the entire length of the combine 1 in a contractible manner. It is a structure that is arranged in the front-rear direction so as to be able to contract, rotate up and down, and turn left and right freely.

A reaper 8 provided in front of the traveling platform 2 at the front of the threshing machine 11 is provided with a narrow guide 17a and a weeding body 17b for separating leeched corn culms that are sequentially cut from the front end, and a separated grain. A raising device 18 for raising the culm, a raking device 19 of the grain stalk raking and transferring device 10 for raking the raised cereal culm,
A cutting blade device 9 for cutting the stalked stalks, a transfer device 20 of the stalk stalk transfer device 10 for transferring the resected stalks to the upper rear, and a reaper 8 which is hydraulically driven. This is a configuration provided with the telescopic cylinder 21 and the like. By operating the telescopic cylinder 21, the mower 8 is made to be able to move up and down on the soil surface.

On the threshing machine 11 side, an operation room 3 is formed on an upper front portion of the traveling chassis 2 by an operation room frame 4. In the operation room 3, the combine 1 is started and stopped, and each part is operated.
And an operating device 22 for performing an adjustment operation, a cockpit 23 on which a pilot is boarded, and the like. The engine 6 is mounted on the upper side surface of the traveling chassis 2 below the operation room frame 4 and rearward. Is a configuration in which a grain storage tank 14 is provided. These threshing machine 11, reaper 8, engine 6,
The traveling device 13 and the like constitute the body 1a of the combine 1.

An operation room frame 4 forming the operation room 3
As shown in FIGS. 1 to 3, a frame member 24 is formed in a box shape from a frame material. The frame member 24 is provided with a closing plate 24a made of an iron plate material, and a window is provided on the right side. A frame 25 is provided,
The window frame 25 is provided with an opening / closing door 5 including a frame plate 25a and a plurality of windows 25a made of a resin material, a glass material, or the like. Tool 26
Are mounted vertically at predetermined intervals, and the opening / closing member 26 is rotatably supported by a receiving member 27 provided on the closing plate 24 a on the rear side of the frame member 24 of the operation frame 4. The opening / closing member 26 and the receiving member 27 are configured to protrude to the right outside by a predetermined distance.

An operation room frame 4 forming the operation room 3
Between the front end of the grain storage tank 14 and
In this configuration, a space (a) having a predetermined width is provided. An engine cover device 28 is provided on a right outer side of the engine 6 so as to cover a radiator portion of the engine 6. The engine cover 28 is provided with an engine cover 7 having a predetermined width so as to be freely opened and closed. 7, a cover opening / closing member 29 for opening and closing is provided at predetermined intervals above and below the rear end portion of the grain storage tank 14.
Of the L-shaped mounting plate 30a provided at the front end of the L-shaped mounting plate 30a. The engine cover 7 is configured to have components 31 and the like mounted thereon.

A cover opening / closing tool 29 for the engine cover 7
The rotation center (b) of the operation room frame 4 as shown in FIG.
The opening / closing member 26 has a configuration in which the opening / closing member 26 is provided on the inner side of the rotation center (C). When the opening / closing door 5 of the operation room frame 4 is in the open state, the engine cover 7 can be opened in the open state.

As a result, when the opening / closing door 5 of the operation room frame 4 is opened, the engine cover 7 can be opened, thereby improving the maintainability. Further, when the engine cover 7 is opened, the opening / closing door 5 can be opened at approximately 180 degrees, which is convenient. When the engine cover 7 is opened, the rear end of the engine cover 7 is located between the rear end of the operation room frame 4 and the front end of the grain storage tank 14 as shown in FIGS. Formed space (a)
This is a configuration for rotatingly entering the section.

As a result, the opening angle of the engine cover 7 can be increased, and the maintainability can be improved. The mounting position of the opening / closing member 26 of the opening / closing door 5 of the operation room frame 4 is located above the engine cover 7 as shown in FIG.

Thus, when the door 5 of the operation room frame 4 is opened, the operation of opening and closing the engine cover 7 is possible, which is convenient. As shown in FIGS. 6 and 7, a slide opening / closing device 32 is provided on the inner side surface of the opening / closing door 5 of the operation room frame 4. When the door 5 is opened, the door 5 is opened outward by a slide opening / closing device 32 including a hydraulic cylinder 32a, and then is opened toward the grain storage tank 14 side. The opening and closing door 5 is configured to be opened.

Thus, the operator can get on and off the operation room 3 in a narrow place. Also, when traveling at an extremely low speed when entering or exiting the barn, lateral visibility can be maintained. In the grain stalk transport path formed by the transfer device 20 of the grain stalk scraping transfer device 10 of the reaper 8, the threshing machine 1 is brought into contact with the harvested grain stalks that are cut and transferred.
1 is provided with a grain culm sensor 8a for detecting the presence or absence of grain culm supply. A vehicle speed sensor 33a for detecting a traveling vehicle speed based on the output rotation speed is provided in a transmission path in a traveling transmission case 33 mounted on a distal end portion of the traveling chassis 2.

The condenser device 34 of the cooling / heating device 40 which blows hot air or cold air into the operation room 3 so that a worker can comfortably perform a harvesting operation in the operation room 3 formed by the operation frame 4 includes: As shown in FIG. 8, the grain storage tank 1
4 is mounted on the upper surface of the device 4 with bolts, nuts, and the like via each mounting plate 14a.

As shown in FIGS. 8 and 9, the capacitor device 34 has a box-shaped upper / lower capacitor case 36a, in which a capacitor 36 is provided, inside a box-shaped upper / lower case 35a, 35b. 36b.
On the inner surface of the upper case 35a, a large mesh member 37a made of a mesh material with a large mesh is fixedly provided. On the inner surface of the upper capacitor case 36a, a small mesh member made of a mesh material with a small mesh is provided. 37b is fixedly provided.

As a result, large dust is removed by the large mesh member 37a having a large mesh on the outside, and small dust is further removed by the small mesh member 37b having a small mesh on the inside. Can be prevented from occurring. In the upper / lower cases 35a, 35b and the upper / lower capacitor cases 36a, 36b, a part of a forward / reverse rotating motor 38 is provided as shown in FIGS. At the shaft end, the upper and lower capacitor cases 36a, 36a in these upper and lower cases 35a, 35b
The inside of b has a configuration in which a fan blade 39 is provided. The lower capacitor case 36b is projected downward,
The lower capacitor case 36b is configured to protrude from the lower case 35b, and an exhaust port 36c is provided at a protruding portion of the lower capacitor case 36b. Further, the upper case 35a has a configuration in which an air inlet 35c is provided.

The motor 38 is activated by a predetermined time.
In this configuration, the dust adhered to the large / small mesh members 37a and 37b is driven in the reverse rotation and blows out in the opposite direction. The motor 3
8, and the fan blades 39 are connected to the upper and lower cases 35a and 35b.
Since the number of components is reduced, the number of components is reduced, the cost is reduced, and dust is less likely to enter the condenser 36 and the fan blade 39, so that the efficiency of the condenser 36 can be improved.

The cooling / heating device 40 is provided on the rear side of the cockpit 23 in the operation room 3 as shown in FIGS.
The air outlet switching duct 41 for switching the hot air upward or downward is provided so as to be directly connected to the outlet on the front side of the cooling / heating device 40. An upper duct 42 is provided above the outlet switching duct 41 so as to face upward.
Left and right division ducts 42a and 42b are provided at the upper end of the operation room 3 to divide the cooling air or hot air into the left and right sides and supply the air toward the ceiling in the operation room 3. It is.

A lower duct 43 is provided below the outlet switching duct 41, and the lower duct 43 extends from below the outlet switching duct 41 along the clutch box 47.
The configuration is provided below the cockpit 23 and is configured to supply cold air or hot air to the feet of a worker below the cockpit 23 in the operation room 3.

In the air outlet switching duct 41, a switching lever 44 for switching cold air or hot air to the upper duct 42 or the lower duct 43 is provided. It is provided between each of the discharge auger levers 45a and 45b for vertically rotating and the lever box 46 mounted with each of the operation switches 45c, and the switching lever 44 is operated to switch the discharge direction upward or downward. It is a configuration to do.

The switching lever 44 is connected to a lever box 46.
In the vicinity of these levers 44, 45
a, 45b, the operation switch 45c, etc. can be centralized, and the operability is improved. Since the outlet switching duct 41 is directly connected to the outlet of the cooling / heating device 40, the loss of the supply air can be reduced at the outlet switching duct 41, and the outlet efficiency can be improved.

The lower duct 43 is provided with the clutch box 4
By providing the cockpit 23 along the lower side of the cockpit 23, no problem arises when the cockpit 23 is moved up and down and back and forth.

[Brief description of the drawings]

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

FIG. 2 is a side view of the right part of the main part.

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

FIG. 4 is an overall side view of the combine.

FIG. 5 is an overall front view of the combine.

FIG. 6 is a view showing another embodiment, and a side view of a right side portion of an opening / closing door portion.

FIG. 7 is a view showing another embodiment, and is a plan view of an opening / closing door portion.

FIG. 8 is a view showing another embodiment, and is an enlarged side view of a capacitor device part.

FIG. 9 is a view showing another embodiment, and is an enlarged plan view of a capacitor device part.

FIG. 10 is a view showing another embodiment, and is an enlarged side view of an exhaust duct portion.

FIG. 11 is a view showing another embodiment, and is an enlarged front view of an exhaust duct portion.

FIG. 12 is a view showing another embodiment, and is an enlarged plan view of an exhaust duct portion.

FIG. 13 is a view showing another embodiment, and is an enlarged front perspective view of a switching lever mounting portion.

[Explanation of symbols]

 2 Traveling chassis 3 Operation room 4 Operation room frame 5 Opening / closing door 6 Engine 7 Engine cover 14 Grain storage tank A Space B Rotation center C Rotation center

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Takashi Ochi, Inventor Takashi Ochi, 1-Yakura, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. Department (72) Inventor Takayuki Kajiwara 1-Yakura, Tobe-cho, Iyo-gun, Ehime Pref. AA13 BA04 CA13 CA16 DA03

Claims (3)

[Claims] 1. An operation room 3 formed by an operation room frame 4 having an openable and closable door 5 at an upper front portion of a traveling chassis 2 and operated by a worker on board, and a rear of the operation room frame 4. In a combine having a grain storage tank 14 for storing grains on the side, an engine 6 below the operation room frame 4 and an openable / closable engine cover 7 for covering the engine 6 from the outside, an engine cover 7 is provided. Is opened, the rear part of the engine cover 7 is provided so as to rotate and enter the space (a) between the rear end of the operation room frame 4 and the front end of the grain storage tank 14. Characteristic cover device for combine engine. 2. The center of rotation of the engine cover 7 (b)
2. The combine engine cover device according to claim 1, wherein the cover is provided at a predetermined distance inward from a rotation center (C) of the opening / closing door 5 of the operation room frame 4. 3. 3. The control device according to claim 1, wherein the position of the opening / closing member 26 of the opening / closing door 5 of the operation room frame 4 is located above the engine cover 7. Cover device for combine engine.