JPH1094316A - Radiator cooling air intake device - Google Patents

Abstract

(57) [Summary] (Modifications required) [Problem] Straw chips and dust floating in the air have a large amount of adsorption to the dust-proof net at the high wind speed where they are sucked, causing clogging, and causing air intake failure. Engine cooling efficiency decreases. A cooling fan (3) and a radiator (4) are provided adjacent to an engine (2) mounted on a traveling vehicle body (1) such as a combine, and the radiator has a dustproof net (5) on an outer intake surface (a).
And the intake air path 6 formed in the vertical direction is desired. A guide plate 7 is provided in the intake air passage for guiding the cooling air sucked from a position above the entire surface of the radiator to a position below the radiator to the radiator. A radiator-cooling air suction device is configured to be able to guide the wind speed to be substantially uniform.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radiator-cooling air suction device mounted on a combine or the like, and belongs to the technical field of agricultural machinery.

[0002]

2. Description of the Related Art Conventionally, a combine engine is hardly mounted in an exposed state in order to protect it from straw and dust generated during work and enable long-term use. It is covered with a freely openable and closable engine cover comprising a cockpit and an outside dust-proof net for intake. The engine cover is opened to the outside of the traveling vehicle body for maintenance of the engine, so that the engine is exposed, and inspection and maintenance can be performed.

[0003] The engine cover is provided with a dust-proof net over a wide range from a position above the front of the radiator to a position below the radiator in order to increase a suction area as much as possible to suck a large amount of air and enhance a cooling effect. A long intake air passage extending in the vertical direction is formed.

[0004]

In the above-described conventional structure, the dust-proof net forming the intake air passage is extended vertically, and the outside air is taken in from the entire surface by the action of the cooling fan. However, the wind speed to be taken in is different between the upper part, the middle part, and the lower part of the dustproof net. Also, in the radiator, a phenomenon in which the wind speed at the center portion is slow and the wind speed at the peripheral portion is fast as compared with that at the front surface has occurred.

[0005] Therefore, straw dust and dust floating in the air have a large amount of adsorption to the dust-proof net at the portion where the wind speed is high, and are absorbed quickly, causing clogging of the dust-proof net and causing air intake obstruction. There was a problem that occurs. For this reason, the cooling efficiency of the engine has been reduced, and the engine cannot be used for a long time.

[0006]

The present invention takes the following technical means in order to solve the above-mentioned problems. That is, the engine 2 mounted on the traveling vehicle body 1 has a cooling fan 3 and a radiator-4 attached thereto.
The radiator 4 is provided so as to face a vertically oriented intake air passage 6 with a dustproof net 5 stretched over an outer intake surface a. A guide plate 7 for guiding the cooling air sucked from a position above the front surface of the radiator 4 to a position below the front surface of the radiator 4 to the radiator 4 is provided on the path 6. Is a radiator-cooling air intake device configured to be able to guide the intake air velocity in each part of the dustproof net 5 to be substantially uniform.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, the configuration will be described. As shown in FIGS. 20 and 21, the combine is provided with a pre-cutting device 9 at a front portion of a traveling vehicle body 1 having a crawler 8 and a threshing device 10 mounted at an upper portion.

[0008] The pre-cutting device 9 comprises a culm raising device 1 having a front weeding rod 11 and a raising lug 12a.
2, the lower mowing device 13 and the grain culm conveying device 14 are integrally mounted on the mowing frame 15 and are pivotally attached to the front part of the traveling vehicle body 1 so as to be freely rotatable. . The hydraulic cylinder 16 is provided between the pre-cutting device 9 and the traveling vehicle body 1, and is configured to move the pre-cutting device 9 up and down. The cereal culm transport device 14 is configured such that the starting end faces the position near the reaper 13 and the ending portion approaches the starting end of the feed chain 17 of the threshing device 10 so that the cereals can be delivered. ing.

The threshing apparatus 10 is provided with the above-described feed chain 1
A sorting room 19 is provided below the handling room 18 having the 7, and the supplied harvested culm is threshed and sorted. The Glen tank 20 is provided adjacent to the side of the threshing device 10 so as to be able to store the selected and threshed grains, and is equipped with an open mechanism that can rotate to the outside of the traveling vehicle body 1 to facilitate maintenance. It has a configuration that can be used. Reference numeral 21 denotes a grain discharging auger.

The engine 2 is mounted on one side of the front part of the traveling vehicle body 1 and in front of the above-mentioned Glen tank 20 so as to be able to transmit the rotating parts of the body.
The radiator 4 is arranged outside the engine 2 so as to be able to cool the circulating cooling water of the engine 2 so as to face a position where cold air passes, and the cooling air sucked by the action of the cooling fan 3. To the front.

The engine cover 22 includes a control seat 23 located above the engine 2 and an intake air passage 6 disposed vertically outside the traveling body 1 and in front of the radiator 3. And a dust-proof net 5 stretched over an intake surface a outside the intake air passage 6. The engine cover 22 has its rear portion pivotally attached to the support portion 24 of the traveling vehicle body 1 so as to be rotatable around the longitudinal axis, and is turned from the position surrounding the engine 2 to the position where it is opened outward. The configuration is such that the maintenance of the engine 2 can be facilitated by moving.

Next, as shown in FIGS. 1 and 2, the guide plate 7 is disposed in a wide range from an upper position to a lower position on the front surface of the radiator 4, and is provided inside the intake passage 6. It is provided fixedly. The guide plate 7 has an upper portion having a non-porous upper guide portion 7a and a lower portion having a front guide portion 7b in which a number of wind guide holes 25 are formed. It is configured to guide to the front of the radiator-4.

When the outside air is sucked by the suction force generated by the rotation of the cooling fan 3 mounted on the back of the radiator 4, the guide plate 7 is substantially uniform from the entire surface of the dustproof net 5. In order to allow the air to be taken in at a constant wind speed, the upper guiding portion 7a extending upward is inclined so as to guide the upper intake to the radiator-4 side. The wind guide hole 25 formed in the front guide portion 7b of the guide plate 7 has a relatively large diameter near the center of the radiator-4.
The peripheral portion is formed to have a slightly smaller diameter to make the wind speed uniform.

The intake passage 6 is formed by opening an intake port 28 of a silencer 27 connected to an air cleaner 26 at an upper portion thereof. In this configuration, the engine cover 22 is configured to be freely engaged with and disengaged from the intake port 28 so as to be opened outward. In this case, as shown in FIG. 6, the silencer 27 is disposed behind the cockpit 23, and silences the air intake sound which has conventionally been generated with the inhalation of the air cleaner 26, thereby operating the silencer 27. The structure is such that the tar can be stabilized mentally.

The engine cover 22 is shown in FIG. 4 in an operation view of the entire rotating state, and FIG.
7 shows a state of local engagement and disengagement with the intake air inlet 28 in an operation view. The step 29 disposed on the front side of the control seat 23 is provided with an elevating gas spring 31 and a telescopic link 32 between and supporting the lower receiving table 30, as shown in FIGS. , And can be moved up and down. As shown in FIGS. 7 and 8, the petal 33 is detachably attached to the ascending and descending step 29 via a locking member. Therefore, since the petal 33 moves up and down integrally with the step 29, there is an advantage that the relative position with the step 29 does not always change and the foot operation can be performed in a comfortable posture. In addition, the sub-assembly of the petal 33 can be attached in advance to the ascending / descending step 29, so that the disassembling and assembling operation can be made much easier than before.

In the steering position, the front side wall 34
In order to prevent obstruction of the operation of depressing the petal 33, the configuration is such that it is located in a concave shape in a plan view that is moved forward (see FIGS. 9 and 10). Thus, step 29
Is a control seat 23 according to the height (seat height) of the operator.
It is characterized in that it can be adjusted up and down to work in a suitable posture and reduce fatigue.

Next, the cut-off plate 35 is shown in FIGS.
As shown in (1), the engine room 36 is partitioned from the lower space 37 of the step 29 so as to block hot air from flowing into the lower space 37 from the engine room 36. . Therefore, the shut-off plate 35 can guide the hot air generated in the engine room 36 to the combine harvesting pre-processing device 9 side and discharge the heat, so that the hot air flows from the lower space 37 to the gap of the step 29. It is possible to prevent an obstacle which rises through and troubles the operator.

Next, a description will be given of the transmission 39 of the discharge spiral 38 provided in the lower part of the above-mentioned Glen tank 20. The Glen tank 20 is of a conventionally well-known open type in order to facilitate maintenance, and is provided between the end of the drive shaft 40 and the start of the spiral shaft 41 for transmitting the discharge spiral 38. A clutch device 42 that can be freely engaged and disengaged is provided. The clutch device 42 is connected to the drive shaft 40
The spiral shaft 41 is attached to the engaging claw 44 of the drive wheel 43 fixed to the shaft end of the
The engaging claw 46 of the vertical driving wheel 45, which is axially attached to the end of the shaft, can freely engage and disengage. Then, each engaging claw 44
And 46 form a slope 47 on the inside and outside, respectively.
Even if a collision occurs during the engagement, the slope portions 47 are in contact with each other and can escape along the slope.

Therefore, when the clutch device 42 opens the Glen tank 20 in the outward direction, the clutch claw 42 engages with the engaging claw 44 which faces the driving wheel 43 and the vertical driving wheel 45 even if they contact as shown in FIG. Since there are 46 inclined portions 47, they can be separated smoothly without collision. Also, when the driving wheel 43 and the vertical driving wheel 45 rotate and store the Glen tank 20 toward the traveling vehicle body 1, both the engagement claws 44 and 46 collide as shown in FIG. 17. Therefore, it is possible to reach the engagement position by smoothly passing without collision due to the operation of the slope portion 47.

Next, the configuration examples shown in FIGS. 18 and 19 relate to the operation panel 50 of the zoom type discharge auger-21. That is, the discharge auger 21 for carrying out the grains stored in the Glen tank 20 to the outside of the machine (for example, a tank of a truck waiting on an agricultural road) includes a control motor 51 and a driving spiral shaft 52. Z that can be expanded and contracted by
It is structured in a system. Such a zoom-type discharge auger-21 can be conveniently used in a farmhouse because the discharge position of the grain can be adjusted in and out of the Glen tank 20.

The operation switches for controlling the discharge auger 21 are collectively arranged on the operation panel 50, and are arranged at the tip end portion where the discharge port 53 is provided. That is,
Each switch operates an automatic storage switch 54 for moving the discharge auger 21 to the storage position of the machine body and a clutch device for the discharge auger 21 as shown in FIG. A switch 55, an upper switch 56 for rotating the discharge auger 21 upward, a lower switch 57 for rotating downward, a left switch 58 for turning left, and a right switch 59 for turning right. An extension switch 60 for increasing the length and a compression switch 61 for shortening are arranged on the operation panel 50.

As described above, since the control panel 50 is provided with the control switches at one end at the tip of the discharge auger 21, the discharge auger can be easily operated from the working position in the discharge operation. There is a feature that 21 control operations can be performed. Next, the operation will be described. First, when the rotating parts of the machine body are driven while the engine 2 is started to start the harvesting and threshing work, the grain stalks planted in the field are harvested by the pre-harvesting processing device 9 in the front of the traveling vehicle body 1 that is moving forward. After being harvested and conveyed, it is supplied to the threshing device 10 and subjected to threshing. That is, after the culm is weeded by the weeding rod 11 in the front part, the culm is locked by the elevating lug 12a rotating upward from the lower part and is elevated to receive the erecting action. It is caused to stand upright and the stock reaches the reaping device 13 and is cut off.

The grain stalk thus cut is conveyed by the stalk conveyer 14 and fed by the feed chain 17.
And is supplied to the threshing apparatus 10.
The grain culm is threshed in the handling room 18 where the thresh is dropped and supplied to the lower sorting room 19 and subjected to a sorting action, and the waste culm is further transported to the outside via the straw cutter from the rear and out of the machine. Is discharged.

As described above, the grains that have been threshed and sorted are supplied to and stored in the Glen tank 20 via the first fryer. During such a series of harvesting and threshing operations, the engine 2 is clean and covered with the engine cover 6 and passed through the dustproof net 5 to remove dust in a field where a large amount of straw and dust peculiar to agricultural work are generated. Cooled by intake air. In other words, the air in the field containing the straw and dust is subjected to the dust removing action when passing through the dustproof net 5 and into the intake passage 6 by the suction action of the cooling fan 3 and is applied to the front of the radiator-4. The cooling water in circulation is reached and cooled. At this time, the outside air is guided by the action of the guide plate 7 from the upper portion of the intake passage 6 toward the radiator 4 under the guidance of the upper guide portion 7a. There is no difference, and it passes through the wind at a substantially uniform speed to reach the radiator-4.

Therefore, since the dust-preventing net 5 passes through the entire surface at a substantially uniform wind speed, a large amount of straw chips and dust floating in the outside air are adsorbed to a portion having a high wind speed as in the conventional apparatus. A phenomenon that causes clogging from that portion can be prevented beforehand. As a result, the cooling efficiency is not impaired, is appropriately cooled, smoothes the operation of the engine 2, and enables long-term continuous operation.

[0026]

As described above, according to the present invention, the cooling fan 3 and the radiator 4 attached to the engine 2 mounted on the traveling vehicle body 1 are provided adjacent to each other.
The radiator 4 is provided with its front face facing an intake air passage 6 which is formed by extending a dustproof net 5 on an outer intake surface a to form a vertical direction. A guide plate 7 for guiding the cooling air sucked in from the upper position to the lower position from the front surface of the radiator 4 to the radiator 4;
Since the guide plate 7 is configured to be able to guide the intake air velocity in each part of the dust-proof net 5 so as to be substantially uniform, the intake of straw dust and dust contained in the outside air is reduced by the dust-proof net. When dust is passed through the filter, it is not adsorbed to a part of the filter, prevents local clogging, and does not cause an intake trouble.

[Brief description of the drawings]

FIG. 1 is a front view of a main part of an embodiment of the present invention, with a part thereof broken.

FIG. 2 is a front view of a guide plate according to the embodiment of the present invention.

FIG. 3 is an embodiment of the present invention and is a partially cutaway front view.

FIG. 4 is an operation plan view of the embodiment of the present invention.

FIG. 5 is an operational plan view of the embodiment of the present invention.

FIG. 6 is a side view of the embodiment of the present invention.

FIG. 7 is a side view showing an internal structure of a part of the embodiment of the present invention.

FIG. 8 is a front sectional view of the embodiment of the present invention.

FIG. 9 is a plan sectional view of an embodiment of the present invention.

FIG. 10 is a side sectional view of an embodiment of the present invention.

FIG. 11 is a plan sectional view of the embodiment of the present invention.

FIG. 12 is a side sectional view of an embodiment of the present invention.

FIG. 13 is a side sectional view of the embodiment of the present invention.

FIG. 14 is an operational plan view of the embodiment of the present invention.

FIG. 15 is a front view of the embodiment of the present invention.

FIG. 16 is an operation front view of the embodiment of the present invention.

FIG. 17 is an operation front view of the embodiment of the present invention.

FIG. 18 is a side view of the embodiment of the present invention.

FIG. 19 is a front view of the embodiment of the present invention.

FIG. 20 is a side view (right) of a combine according to the embodiment of the present invention.

FIG. 21 is a side view (left) of a combine according to the embodiment of the present invention.

[Description of Signs] 1 Running body 2 Engine 3
Cooling fan 4 Radiator 5 Dustproof net 6
Intake passage 7 Induction plate a Intake surface

Claims (1)

[Claims] An engine mounted on a traveling vehicle body has a cooling fan and a radiator attached thereto.
The radiator 4 is provided so as to face a vertically oriented intake air passage 6 with a dustproof net 5 stretched over an outer intake surface a. A guide plate 7 for guiding the cooling air sucked from a position above the front surface of the radiator 4 to a position below the front surface of the radiator 4 to the radiator 4 is provided on the path 6. Is a radiator-cooling air suction device configured to be able to guide the air flow at each part of the dustproof net 5 so as to be substantially uniform.