JP2000103243A - Baffle guard of moving agricultural machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent blowoff of a hot blast in an engine room to the driver's seat side by smoothing a flow of wind in the engine room. SOLUTION: An engine 14 mounted on a combine is housed in an engine room 18 under a driver's seat, air is taken in this engine room 18 from a suction port by a radiator fan 22, and this air circulates in the engine room 18 to cool the engine 14. Then, a guard plate 28 is installed in the lower part of a machine body frame 12 under the engine room 18, and the lower part of the engine room 18 is covered with this guard plate 28, so that air taken in from the suction port is exhausted outside from the machine body side on the opposite side of the suction port without passing through downward to the engine room 18 after becoming a hot blast by being heated by the engine 14.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wind guide for a mobile agricultural machine such as a combine machine, and more particularly to a guard member for covering a lower portion of an engine room to smoothly discharge air taken into the engine room. About the wind guide guard of the mobile farm machine to get.

[0002]

2. Description of the Related Art A mobile agricultural machine such as a combine has a pair of left and right crawler traveling devices that support a traveling machine body, and an engine for driving the crawler traveling device is housed in an engine room provided below a driver's seat. The power of the engine is used to drive a threshing unit via a Glen tank drive and a counter case, and is also transmitted to a transmission. In the engine room, air is taken in from a suction port on the side of the fuselage by a radiator fan, and the air is heated by the engine to become hot air,
This hot air was discharged to the outside and the engine was cooled.

[0003]

However, conventionally, since the lower part of the engine room is open, the hot air from the engine room escapes downward, and this hot air flows to the air suction port on the side of the engine room. There is a possibility that the hot air may be sucked in again from the suction port to deteriorate the cooling performance. In addition, the hot air blows out to the driver's seat side or circulates in the engine room, so that the cooling efficiency of the engine is deteriorated and the heat balance is deteriorated.

[0004] On the other hand, mud accumulates inside the crawler of the crawler traveling device and travels around when the aircraft circulates, and the carried mud is agglomerated and scattered when the vehicle goes straight after traveling, and is laid in the engine room. There is a possibility that these hoses and harnesses may be damaged by adhering to the hydraulic hoses and the harnesses for electrical equipment.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and an object of the present invention is to make the flow of wind in an engine room smooth and to make hot air in the engine room be close to a driver's seat. To prevent blowing out
Another object of the present invention is to provide a wind guide guard for a mobile agricultural machine capable of protecting a hydraulic hose and a wire harness from mud.

[0006]

Means for Solving the Problems In order to achieve the above object, the invention described in claim 1 comprises a pair of left and right crawler traveling devices (5, 5) for supporting a body (1), and the crawler traveling devices (5, 5). (5) A mobile agricultural machine (C) including an engine (14) for driving the engine (14), a body frame constituting the body (1) below an engine room (18) accommodating the engine (14). (12) A guard member (28, 28 ', 28 ") is detachably attached to the lower part,
The guard member (28, 28 ', 28 ") covers the lower part of the engine room (18).

According to a second aspect of the present invention, the front side of the engine room (18) is provided with the guard member (2).
8, 28 ', 28 ").

According to a third aspect of the present invention, the guard member (28, 28 ', 28 ") is mounted below the engine room (18) and below the fuselage frame (12) and at the front of the fuselage. Driver's seat (8)
A control valve (4) extending downward and controlling a hydraulic cylinder (52) provided below the driver's seat (8).
0) is covered.

[Operation] According to the above-mentioned invention specific matter, the engine (14) mounted on the mobile agricultural machine (C) is housed in the engine room (18) below the driver's seat (8). In (18), for example, air is taken in from the air suction port on the side of the engine room (18) by the radiator fan (22), and the air is circulated in the engine room (18) and discharged to the outside. The engine (14) is cooled by the guard member (28). In the present invention, a guard member (28) is detachably attached below the engine room (18) and below the fuselage frame (12). ) Covers the lower part of the engine room (18), so that the air taken in from the air suction port is heated by the engine (14) to become hot air, Without leaving the lower room (18), it is discharged from the machine body lateral one side of the air inlet opposite to the outside.

[0010] The reference numerals in parentheses described above are for the purpose of comparing the drawings, and do not limit the invention-specifying matters of the present invention at all.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a side view of a combine as a mobile farming machine to which the present invention is applied. In the figure, a combine C is provided on the front of the traveling machine 1 to cut the culm. Pre-processing unit 2 that can move up and down and left and right
have. The traveling machine body 1 is supported by crawler traveling devices 5 and 5 provided on the left and right sides of the machine body, and the harvested grain culm is transported to the threshing unit 3 by a scraping transport chain and a grain culm feed chain (not shown). The threshing unit 3 performs threshing and sorting.

The grains selected in the threshing unit 3 are transported in a spiral cylinder and temporarily stored in a grain tank 4. When the grain tank 4 is full, the grain is discharged by an auger 6. To be carried out. In addition, the thawed straw after threshing is cut or bound by the waste stirrer processing unit 7 at the rear of the machine body and discharged outside the machine.

A cabin 10 is mounted on the upper part of the traveling body 1.
The driver's seat 8 is provided with a driving operation unit 11. An engine room 18 is provided below the driver's seat 8, and the engine 14 is housed in the engine room 18. This engine 14
Is transmitted to the crawler traveling device 5 and the pre-processing unit 2 via a transmission (not shown).

That is, as shown in FIGS. 2 and 3, the engine 14 is housed in an engine room 18 having one side surface covered with an engine cover 16, and a wire mesh is provided at an air inlet of the engine cover 16. 15 is attached.
A radiator 20 is provided inside the wire mesh 15,
The radiator 20 includes a casing side plate (shroud) 2.
1, a radiator fan 22 for taking in air from the air inlet and circulating the air is attached. Around the radiator 20, a wire harness 24 and a hose 26 are laid.

According to the present invention, a guard member is detachably mounted below an engine room 18 for housing the engine 14 and at a lower portion of a body frame constituting the body 1.
The guard member covers the lower portion of the engine room 18.

2 to 4 (a) and 4 (b), a guard plate 28 as a guard member is attached to the lower surface of the body frame 12 constituting the traveling body 1. Here, when the guard plate 28 is not provided, the air sucked in from the air inlet by the radiator fan 22 flows from the front side of the engine 14 (the radiator 20 side) as indicated by an arrow A in FIG. At 5, it flows out of the machine and repeats a vicious cycle of being sucked in again from the air inlet through the wire mesh 15.

However, according to the present embodiment, since the guard plate 28 is attached to the lower portion of the body frame 12, the air sucked in from the air suction port is moved by the arrow B.
As described above, the air flows smoothly behind the engine 14 (on the side of the airframe opposite to the air suction port), and the cooling efficiency is improved. The guard plate 28 allows the mud carried by the crawler traveling device 5 to move in the engine room 18.
The mud is prevented from entering the inside, so that the mud does not adhere to the wire harness 24 or the hose 26 in the engine room 18 and damage them.

FIGS. 5 and 6A and 6B show another embodiment of the guard member.

That is, guide rails 30, 30 extending in the longitudinal direction of the fuselage and spaced apart in the longitudinal direction of the fuselage of the fuselage frame 12 are attached.
A metal fitting 32 is attached to one end surface of 8 ′, and a handle 34 is attached to the center of the metal fitting 32. Furthermore, this fitting 3
2, a bracket 32 (and a guard plate 28 ') is detachably attached to the body frame 12 with the knob bolt 36.

Thus, when debris or the like accumulates on the guard plate 28 ', the knob bolt 36 is removed, and the guard plate 28' is pulled out by the handle 34, so that cleaning can be easily performed. In order to mount the guard plate 28 ', the guard plate 28' may be inserted along the guide rails 30, 30, and the knob bolt 36 may be fastened and fixed to the machine body frame 12.

In this embodiment, the front surface of the engine room 18 is covered with a wind guide plate 38 connected to the guard member 28.

In FIG. 1 described above, the engine room 1
8 is covered with a wind guide plate 38 erected from the front end side of the guard plate 28. This air guide plate 38
As a result, the hot air is prevented from blowing out toward the front of the fuselage, and the hot air flows toward the rear of the engine 14 (the direction B in FIG. 3) without staying in the engine room 18, so that the hot air flows toward the driver's seat 8 side. Is prevented from wrapping around.

Further, in the present embodiment, the guard member 28 is attached below the engine room 18 and below the fuselage frame 12, and extends downward toward the driver's seat 8 arranged at the front of the fuselage. A control valve 58 provided below the driver's seat 8 for controlling a hydraulic cylinder.
(Described below).

In FIG. 1 described above, the guard plate 28 is attached to the lower part of the body frame 12, and the guard plate 28 extends downwardly to the driver's seat 8 to extend an extension plate 28 ". 28 "
Covers the lower part of the control valve 40 for controlling the hydraulic cylinder, and prevents the mud scattered from the crawler traveling device 5 from adhering to the control valve 40.

Next, FIGS. 7 to 9 show the outline of the crawler traveling device 5.

The crawler traveling device 5 has a crawler 5a formed of a flexible material. The crawler 5a is wound around a front upper driving wheel 44 and a rear driven wheel 45, Inside, a plurality of rolling wheels 46a to 46d supported by the track frame 47 are arranged. A stay 48 protrudes from the rear track frame 47 in the left-right direction, and the cover 42 is attached to the end of the stay 48 by a bolt 49 inside the rear portion of the crawler 5a.

For example, when the combine C circulates, the mud accumulates inside the crawler 5a, and this mud flows rearward, and the trajectory is disturbed or the mud solidifies and drops when traveling straight after the cruise, and in the next stroke, There is a possibility that it will be an obstacle when mowing.
Therefore, by attaching the cover 42 inside the rear portion of the crawler 5a, it is possible to prevent mud from entering the inside of the crawler 5a during traveling.

FIGS. 10 to 13 show an embodiment in which the first rolling wheel 46a in the crawler traveling device 5 can be lifted and lowered in conjunction with the traveling direction of the machine body.

As shown in FIGS. 10 and 11, a hydraulic cylinder 52 is fixed on the upper part of the track frame 47,
One end of a link 54 that is rotatable about a pin 53 is mounted on the end of the operating rod. The other end of the link 54 is attached to the rotating shaft of the first wheel 46 a via a pipe 56, and the pipe 56 is mounted on the track frame 47 via an elongated hole 55.

Further, as shown in FIGS. 12 and 13, switches 51a and 51b operated by a control unit 57 are provided near the traveling lever 50, and a hydraulic circuit connecting the hydraulic cylinder 52 and the tank is provided in the hydraulic circuit. , A solenoid valve 40 are provided. When the traveling lever 50 is operated in the forward or backward direction, the switches 51a and 51b are actuated accordingly, the hydraulic cylinder 52 expands and contracts through the solenoid valve 40, and the first The rolling wheel 46a is controlled to move up and down. The operation time at this time can be arbitrarily set by the control unit 57.

As described above, when the crawler traveling device 5 moves forward, the first rolling wheel 46a is lifted to lower the body vibration at the time of traveling, and when the crawler traveling device 5 travels backward, the first rolling wheel 46a is grounded to enable stable traveling. Become. In this case, the first wheel 46
Floating a has little effect on stability during forward running, and does not affect running vibration even when running with the first wheel 46a grounded during reverse running.

[0033]

As described above, according to the first aspect of the present invention, the guard member is removably mounted below the engine room and below the fuselage frame constituting the fuselage. This prevents the cooling air sucked by the engine from being heated by the engine and circling again from below the engine room to the suction port, thereby preventing the hot air from being sucked and reducing the cooling efficiency of the engine. In addition, the guard member can prevent the hydraulic hoses and the electrical harnesses in the engine room from being damaged by mud carried and scattered by the crawler traveling device as the aircraft travels.

According to the second aspect of the present invention, since the front side of the body of the engine room is covered with the air guide plate connected to the guard member, the hot air heated in the engine room is rearward of the engine ( This makes it easier to flow toward the left and right sides of the fuselage (one side of the airframe), thereby preventing hot air from flowing around the driver's seat.

According to the third aspect of the present invention, the control valve for controlling the hydraulic cylinder is covered from below by extending the guard member attached below the engine room toward the lower side of the driver's seat. It is possible to prevent mud and foreign matter that has jumped up during traveling of the aircraft from attaching to the control valve.

[Brief description of the drawings]

FIG. 1 is an overall side view of a combine to which the present invention is applied.

FIG. 2 is an external view of an engine room and an engine housed therein.

FIG. 3 is a front view of the same.

FIG. 4A is a plan view of a state where a guard plate is mounted, and FIG. 4B is a side view thereof.

FIG. 5 is an overall side view of a combine to which the present invention is applied.

FIG. 6A is a plan view of a guard plate according to another embodiment in an attached state, and FIG. 6B is a side view thereof.

FIG. 7 is a side view of the crawler traveling device.

FIG. 8 is a plan view of a main part of the above.

9 is a view in the direction of arrows IX-IX in FIG. 7;

FIG. 10 is a schematic side view of the crawler traveling device.

FIG. 11 is a side view showing an elevating mechanism of the first wheel in the crawler traveling device.

FIG. 12 is a diagram showing a hydraulic circuit of the above.

FIG. 13 is a diagram illustrating an outline of control of raising and lowering a first wheel in the crawler traveling device.

[Explanation of symbols]

 C Combine 1 Running machine 5 Crawler running device 8 Driver's seat 12 Body frame 14 Engine 18 Engine room 22 Radiator fan 24 Wire harness 26 Hose 28, 28 ', 28 "Guard plate 38 Wind guide plate 40 Control valve 52 Hydraulic cylinder

Claims (3)

[Claims] 1. A mobile agricultural machine including a pair of left and right crawler traveling devices that support a body and an engine that drives the crawler traveling device, wherein the body is formed below an engine room that houses the engine. A wind guide guard for a mobile agricultural machine, wherein a guard member is detachably attached to a lower portion of the body frame, and the guard member covers a lower portion of the engine room. 2. The air guide guard for a mobile agricultural machine according to claim 1, wherein a front side of the fuselage of the engine room is covered with a wind guide plate connected to the guard member. 3. The guard member is mounted below the engine compartment and below the fuselage frame, and extends below a driver's seat arranged in the front of the fuselage, and is provided below the driver's seat. The air guide guard for a mobile agricultural machine according to claim 1, wherein a lower portion of a control valve for controlling a hydraulic cylinder is covered.