JP4501255B2 - Combine dustproof device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention, Ru der relates dustproof device co Nbain.
[0002]
[Prior art]
An engine with a radiator provided outside is placed on the upper side of the traveling chassis of the combine and below the cockpit, and a combine engine with an engine cover is provided on the outside of the radiator of the engine on the upper side of the traveling chassis. It starts, this combine is made to run, and the napped grain husk is cut by a reaper provided at the front part, supplied to the threshing machine and threshed, and the threshed grain is temporarily stored in the combine.
[0003]
During this harvesting operation, outside air is sucked in from a dust-proof net portion that is stretched around a suction port for sucking outside air provided in the engine cover, and the radiator and the engine are cooled.
[0004]
[Problems to be solved by the invention]
Dust-proof nets installed at the intake of the engine cover that draws outside air into the radiator of the engine are attached to the dust-proof nets, such as sawdust, grass dust, and dust generated during harvesting operations. If this deposit is not removed, engine performance may deteriorate or seizure may occur. For this reason, the operator has removed it manually, but this removal takes time and effort. However, the present invention intends to solve this problem.
[0005]
[Means for Solving the Problems]
For this, the inventions described in 請 Motomeko 1, rotatable suction fan (7a) provided on the outside of the engine (7) placed on the upper side of the running chassis (2), the suction fan (7a) of the radiator (6) provided on the outside, only setting the error Njinkaba (9) on the outside of the radiator (6), anti-dust network that to prevent inhalation of dust in the engine cover (9) and (11) comprising inlet for outside air intake (10) provided with right and left direction of the support plate mounted on the rear surface of the engine cover (9) in the central part of the suction port (10) to (9d) is provided, inlet ( 10), a fan-shaped first block (9b) for blocking a portion of the outside air by blocking a part thereof is provided from the center of the suction port (10) toward the lower side, and the first gear (26b) is provided on the inner surface. ) Provided with a circular cylinder (26a) and a support metal (26a) provided at the center of the cylinder (26a). 6c) is connected to the support rib (27a), and the support rib (27a) is provided with a rotating body (26) provided with a fan-shaped second blocking portion (27b) that shields inhalation of outside air. A metal (26c) is rotatably supported by a support shaft (9c) provided on the support plate (9d), and the metal (26c) is affected by the outside air sucked by the suction fan (7a) and is applied to the outer surface of the dustproof net ( 11 ). dust adhered is moved over the outer surface of the dustproof net to the site of the first covering section together with the second covering section by the rotation of the rotating body (26) (27b) (9b ) (11), said first busy When the part (9b) and the second plug part (27b) are in a superposed state, they are not affected by the outside air sucked and fall from the outer surface of the dustproof net (11) and are discharged. It was set as a combine dustproof device .
[0006]
The inventions of claim 2, engaging a second gear (30c) provided on the shaft (30b) of the hydraulic rotary oil damper (30a) to said first gear (26b), the rotary type oil rotator over a certain added to the first gear by a damper (30a) (26b) (26 ) always combine dustproof device of claim 1, characterized in that it has a structure which rotates at a constant rotational speed It was.
The inventions of claim 3, the wind turbine (29) provided on the upper side of the rotating body (26),該風Sha (29) of the rotary shaft third gear provided at the tip portion of (29a) (29 b) And the first gear (26b) mesh with each other, and when the windmill (29) is rotated by the outside air sucked by the suction fan (7a), the rotating body (26) rotates in conjunction with the rotation of the windmill (29). the claim 1 or, characterized in that the driven Ru configuration was Combine dustproof device according to claim 2.
[0007]
[0008]
[0009]
[0010]
【The invention's effect】
According to the invention described in claim 1, dust adhering to the outer surface of the network dustproof affected by the outside air sucked (11) by the suction fan (7a) is, by the rotation of the rotating body (26) The outside air that moves together with the second block (27b) to the site of the first block (9b) and is sucked when the first block (9b) and the second block (27b) are in a superposed state. Can be dropped from the outer surface of the dust screen (11) and discharged outside the machine.
Thus, the operator can Ri is Do unnecessary trouble of removing dust, improve the efficiency of harvesting. Further, since the dust is removed, it is possible to improve the performance and anti-seizing of the engine (7).
[0011]
According to the invention of claim 2, in addition to the effects of the invention described in claim 1, a structure which rotates at a constant and speed the rotational speed of the rotating body of the shielding蔽device (12) (26) , it can be reliably divided removed by the dust attached to the dustproof net (11).
According to the invention described in claim 3, in addition to the effect of the invention described in claim 1 or 2, the rotating body (26) is driven to rotate by the windmill ( 29 ) rotated by the outside air sucked. enables the construction easier, Ru can be realized at low cost.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
An operation room frame 4 that forms an operation room 3 is provided on the upper front side of the traveling chassis 2 of the combine 1. On one side (right side) of the operation room frame 4, an operator (operator) is provided with an operation room. An open / close door 5 that opens and closes when moving up and down inside 3 is provided to be openable and closable, and an engine 7 is placed on the upper side of the traveling chassis 2. A radiator 6 is provided outside the engine 7 so as to be freely opened and closed.
[0013]
An engine cover 9 is provided on the outside of the engine 7 on the upper side of the traveling chassis 2 and on the rear side of the open / close door 5 so as to be freely opened and closed. The engine cover 9 is provided with a suction port 10 for sucking outside air, and a dustproof net 11 is stretched at the entrance 10.
[0014]
The dust-proof net 11 is provided with a rotatable shielding device 12 that removes deposits such as swarf, grass dust and dust attached to the dust-proof net 11. The shielding device 12 and the engine cover 9 will be mainly illustrated and described.
As shown in FIGS. 9 and 10, a reaper 13 is provided at the front portion of the traveling chassis 2 of the combine 1, and the harvested cereals harvested by the cutting blade device 14 of the reaper 13 are the reaper 13. Is transferred to the rear upper part by the cereal meal transfer device 15 and transferred to the feed chain 17a and the holding bowl 17b of the threshing machine 16, and transferred and transferred by the feed chain 17a and the holding bowl 17b. The threshing machine 16 is configured to thresh.
[0015]
A traveling device 18 having a pair of left and right traveling crawlers 18 a traveling on the soil surface is disposed below the traveling chassis 2 of the combine 1, and the plane of the threshing machine 16 placed on the upper side of the traveling chassis 2. On the right side of the view, a grain storage tank 16a for collecting and temporarily storing the threshed and sorted grain is mounted.
[0016]
On the rear side of the grain storage tank 16a, a discharge support cylinder 19 having a vertical transfer spiral 19a for discharging the grains stored in the grain storage tank 16a to the outside of the machine is rotatable in a substantially vertical posture. The discharge auger 20 is retractably provided with a discharge spiral 20a for discharging the grain to the outside of the combiner 1 at the upper end portion of the discharge support cylinder 19 extending over the longitudinal length of the combine 1. It is a configuration in which it can be turned up and down and turn left and right in the front-rear direction.
[0017]
The reaping machine 13 provided on the front side of the traveling chassis 2 at the front part of the threshing machine 16 causes a narrow guide 21a and a weed body 21b for separating the napped cereals that are sequentially cut from the front end part, and the separated cereals. The pulling device 23a, the scraping device 22a of the culm scraping and transporting device 15 for scraping the pulverized culm, the cutting blade device 14 for cutting the scrambled culm, and the harvested culm The transfer device 22b of the culm scraping transfer device 15 for transferring to the upper rear portion, and the reaper 13 are provided with a telescopic cylinder 23 and the like that are hydraulically driven. By operating the telescopic cylinder 23, the reaper 13 is configured to move up and down with respect to the soil surface.
[0018]
An operation room 3 is formed by an operation room frame 4 on the upper front portion of the traveling chassis 2 on the threshing machine 1 side. In this operation room 3, the combine 1 is started and stopped, each part is operated, and an adjustment operation is performed. An operating device 3a to be operated, a cockpit 8 on which a pilot operator boardes, and the like, and an engine 7 is placed on the upper side of the traveling chassis 2 below the operation room frame 4, and a grain is placed on the rear side. The grain storage tank 16a is provided. The threshing machine 16, the reaper 13, the engine 7, the traveling device 18, and the like constitute the body 1 a of the combine 1.
[0019]
As shown in FIGS. 6 to 8, the engine 7 is mounted on a box 24 formed by a frame member 24 a and a front frame 24 b on the upper side of the traveling chassis 2. A suction fan 7a is rotatably provided on the front side of the engine 7, and a radiator 6 is provided outside the suction fan 7a. The radiator 6 is rotatable and detachable by a receiving tool 25a provided on the frame member 24a. It is the structure provided by supporting. An engine cover 9 is provided on the front side of the radiator 6, and the engine cover 9 is configured to be rotatably supported by a receiving tool 25b provided on the frame member 24a.
[0020]
As the suction fan 7a of the engine 7 is driven to rotate, outside air is sucked from each dust-proof net 11 stretched at each suction port 10 provided in the engine cover 9, and the radiator 6, the engine 7, etc. Is configured to be cooled.
As shown in FIG. 6, the cockpit 8 is supported by a support rod 9 a provided on the inner surface of the engine cover 9, and a partition plate 8 a is provided at the front lower portion of the cockpit 8.
[0021]
The engine cover 9 is formed in a box shape as shown in FIGS. 1 and 5, and the outer surface is provided with suction ports 10 at the upper part, the central part, and the lower part for sucking outside air. The suction port 10 has a structure in which a dust-proof net 11 is provided to prevent inhalation of sawdust, grass dust, dust and the like generated by the reaper 13 during the harvesting operation.
[0022]
A suction port 10 portion that sucks the most outside air at the center of the engine cover 9 protrudes outward, and the suction port 10 portion is attached to a dust-proof net 11 stretched on the suction port 10. It is the structure which provided rotatably the shielding apparatus 12 which removes deposits, such as waste, grass dust, and dust. As shown in FIG. 1, a fan-shaped block (first block) 9 b is provided from the center of the suction port 10 at the center of the engine cover 9 toward the lower side, and a part of the suction port 10 is blocked. In addition, a configuration in which a support plate 9d provided by fixing a support shaft 9c that pivotally supports a support metal 26c provided at the center of the shielding device 12 is mounted on the back side surface in the lateral direction of the central portion. It is.
[0023]
As shown in FIGS. 1 to 5, the shielding device 12 has a circular rotating body 26 provided with a gear (first gear) 26 b on the inner surface of the circular cylindrical body 26 a, A support metal 26c is provided, and the cylindrical body 26a and the support metal 26c are connected by a support rib 27a. The cylindrical body 26a of the rotating body 26 is configured to be supported by a plurality of supports 28 provided on the dustproof net 11 and to support a central support metal 26c by a support shaft 9c provided on a support plate 9d. The rotating body 26 is rotatably mounted. The support rib 27a is provided with a fan-shaped block (second block) 27b between the cylindrical body 26a of the rotating body 26 and the support metal 26c at the center.
[0024]
Wherein the upper side of the rotating body 26, the wind turbine 29 to rotate at ambient air for inhalation as shown in FIGS. 1 to 3 is provided, at the tip of the windmill axis windmill 29 (rotary shaft) 29a is gear (second (3 gears) 29b is pivotally supported, and the gear 29b and the gear 26b of the rotating body 26 of the shielding device 12 are in mesh with each other. When the windmill 29 is rotated by the intake outside air wind, the shielding device 12 is rotationally driven in conjunction with the rotation.
[0025]
The shielding device 12 is configured to be simple in structure and greatly reduced in cost by being driven to rotate by a windmill 29 that is rotated by the intake outside air.
As shown in FIGS. 2 and 3, the rotation restricting device 30 is provided on the gear 26b of the rotating body 26 of the shielding device 12, and the rotation restricting device 30 is provided with a hydraulic rotary oil damper 30a. A gear (second gear) 30c is pivotally supported at the end of the shaft 30b. The gear 30c and the gear 26b of the rotating body 26 are configured to mesh with each other, and a constant load is applied to the gear 26b of the rotating body 26 by the rotary oil damper 30a of the rotation restricting device 30 to In this configuration, the rotating body 26 is always driven to rotate at a predetermined rotational speed.
[0026]
The rotation restricting device 30 is provided in the shielding device 12, and the rotational speed of the rotating body 26 of the shielding device 12 is always rotated at a predetermined (constant) rotational speed. It is the structure set to the optimal rotational speed to remove.
The gap between the blocking portion 27b provided on the support rib 27a of the rotating body 26 of the shielding device 12 and the dustproof net 11 of the engine cover 9 is formed to be a minimum gap.
[0027]
The action of the shielding device 12 is configured to act as shown in FIGS. When the clogging portion 27b of the rotating body 26 of the shielding device 12 rotates, the adhering matter adhering to the dustproof net 11 of the engine cover 9 by the clogging portion 27b is sequentially rotated in the rotational direction as shown in FIG. 4B, when the closed portion 27b rotates to the closed portion 9b of the engine cover 9, the outside air is not sucked into the closed portion 9b of the engine cover 9. , is pressed came deposits in covering section 27b of the rotating body 26 to the covering section 9 b position by not affected by the suction outside air wind, as Figure 4 (iii) lower in the covering section 9b position It is the structure which falls to and is discharged out of the machine.
[0028]
A windshield 31 having an L-shaped cross section as shown in FIG. 2 and FIG. 11 is provided on the outside of the closed portion 9b of the engine cover 9 as shown in FIG.
Thus, the covering section 9b of the engine cover 9, when the covering section 27b of the rotary member 26 of the shielding device 1 2 becomes polymerized state, deposits become mass again to the engine 7 side to fall, Due to the generation of turbulent wind, it is sucked again and can be prevented from adhering to the radiator 6.
[0029]
As shown in FIG. 12, the engine cover 9 has a configuration in which a lower portion of the engine cover 9 is inclined at a predetermined angle (α) inward.
As a result, the frictional resistance was reduced against the falling of the adhering matter adhering to the dust-proof net 11 attached to the suction port 10 of the engine cover 9.
[0030]
The closing portion 9b provided in the suction port 10 of the engine cover 9 is configured to be positioned below the suction port 10 as shown in FIG. The closing portion 27b provided on the rotating body 26 of the shielding device 12 is configured to be positioned upward and to be driven to rotate backward (toward the left side) with respect to the traveling direction of the combine 1.
[0031]
The relationship between the blocking portion 9a of the suction port 10 of the engine cover 9 and the blocking portion 27b of the rotating body 26 is formed in a relationship as shown in FIG. In this configuration, the adhered deposits are reliably removed.
As shown in FIGS. 13 and 14, outer scrapers 33a made of an elastic material such as a rubber material or a resin material are provided at both front and rear ends of the outer crawler frame 32a that supports each wheel of the traveling crawler 18a. 33a is provided, and an inner scraper 33b is provided at a substantially central portion in the front-rear direction of the inner crawler frame 32b.
[0032]
The outer and inner scrapers 33a, 33a, 33b are provided close to the inner surface of the traveling crawler 18a, and remove mud adhering to the inner surface of the traveling crawler 18a.
As a result, during forward traveling, the mud that entered the traveling crawler 18a was wound up at the rear end portion and dropped again on the inner side surface below the traveling crawler 18a. By 33a, 33a, 33b, it is discharged outside from the traveling crawler 18a. Also, the large clot is crushed by the scrapers 33a, 33a, 33b, so that the traveling crawler 18a rotates smoothly.
[0033]
In the cereal conveyance path formed by the transfer device 22b of the cereal scraping transfer device 15 of the reaper 13, the cereal is transferred to the threshing machine 16 by contact action with the reaper that is cut and transferred. It is the structure which provided the grain stalk sensor 34 which detects the presence or absence of a cocoon supply. In the transmission path in the traveling mission case 35 mounted on the front end of the traveling chassis 2, a vehicle speed sensor 35 a that detects the traveling vehicle speed based on the output rotational speed is provided.
[Brief description of the drawings]
FIG. 1 is an enlarged side view of an engine cover and a shielding device. FIG. 2 is an enlarged side view of an engine cover and a shielding device. FIG. 3 is an enlarged front sectional view of an engine cover and a shielding device. FIG. 5 is an enlarged side view of the engine cover and the shielding device portion. FIG. 6 is an enlarged side perspective view of the engine cover, the radiator, and the engine portion. Enlarged plan view of the engine unit [Fig. 8] Enlarged plan view of the engine cover, radiator, and engine unit [Fig. 9] Whole side view of the left side of the combine [Fig. 10] Partial side view of the right side of the combine [Fig. 11 is a diagram showing another embodiment, and is a cross-sectional view taken along the line AA of FIG. 2. FIG. 12 is a diagram showing another embodiment, and is an enlarged front sectional view of an engine cover and a shielding device portion. In the figure showing an example, running Side perspective view of the crawler unit [FIG. 14] FIG. 14 is a view showing another embodiment, and is a front view of the traveling crawler unit [description of symbols]
2 Car chassis 6 Radiator 7 Engine
7a Suction fan 9 Engine cover
9b block (first block)
9d support plate
9c support shaft 10 suction port 11 dustproof net
26 rotating bodies
26a cylinder
26b gear (first gear)
26c support metal
27a support rib
27b block (second block)
29 Windmill
29a wind turbine shaft (rotary shaft)
29b gear (third gear)
30a rotating oil damper
30b axis
30c gear (second gear)

Claims (3)

A rotatable suction fan (7a) is provided outside the engine ( 7 ) placed on the upper side of the traveling chassis (2) , a radiator ( 6 ) is provided outside the suction fan (7a) , and the radiator (6) of d Njinkaba (9) set only on the outside, the intake port for outside air intake with anti dust network that to prevent inhalation of dust (11) and (10) provided in the engine cover (9), the lateral direction of the support plate mounted on the rear surface of the engine cover in the central portion of the suction port (10) (9) (9d) provided to shield the outside air intake blocking part of the suction port (10) fan A circular cylindrical body (26a) in which a first closed portion (9b) having a shape is provided from the central portion of the suction port (10) toward the lower side, and a first gear (26b) is provided on an inner surface thereof, and the cylinder Connected to the support metal (26c) provided at the center of the body (26a) by the support rib (27a) In addition, the support rib (27a) is provided with a rotating body (26) having a fan-shaped second blocking portion (27b) that shields the intake of outside air, and the support metal (26c) is attached to the support plate (9d). journaled rotatably by providing support shaft (9c), the dust adhering to the outer surface of the suction fan (7a) dustproof net under the influence of the outside air sucked by the (11), the rotating body (26 ) Is moved on the outer surface of the dustproof net (11) to the site of the first block (9b) together with the second block (27b), and the first block (9b) and the second block (27b) And a dust-proof device for a combine, which is configured to be discharged from the outer surface of the dust-proof net (11) without being influenced by the outside air sucked when it is in a polymerized state . A second gear (30c) provided on a shaft (30b) of a hydraulic rotary oil damper (30a) is meshed with the first gear (26b), and the first gear (26b) is engaged with the rotary oil damper (30a). rotator over a certain added to) (26) is always combined dustproof device according to claim 1, characterized in that it has a structure which rotates at a constant rotational speed. The provided wind turbine on the upper side of the rotating body (26) (29), and a該風Sha third gear (29 b) and said first gear (26b) provided at the tip portion (29) of the rotary shaft (29a) engagement, rotation windmill (29) by the outside air sucked by the suction fan (7a) then, characterized in that the rotating body in conjunction with rotation of the wind turbine (29) (26) has a configuration that will be rotated the claim 1 or the combined dust-proof device according to claim 2.

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