JP2019165673A - Combine - Google Patents

Abstract

To provide a combine capable of performing easily maintenance of coolers.SOLUTION: A combine includes an engine 61, a radiator 63 for cooling cooling water of the engine 61, a cooling fan 62 for cooling the radiator 63, and an oil cooler 64 and an inter-cooler 65 arranged on the opposite side to the cooling fan 62 across the radiator 63. The oil cooler 64 is constituted openably upward or downward, and rotatably by using, as a rotation fulcrum, the upper end side or the lower end side to a radiator frame 631 for supporting the radiator 63.SELECTED DRAWING: Figure 7

Description

  The present invention relates to a combine.

  For example, in the combine disclosed in Patent Document 1 below, a plurality of coolers (oil cooler and intercooler) are densely arranged on the side of the cooling fan of the radiator. Since the cooling fan generates cooling air by sucking outside air, dust is likely to adhere to the coolers. Therefore, periodic maintenance work for removing dust and the like is necessary, and a combine that can be easily maintained is desired.

JP 2017-200469 A

  This invention is made | formed in view of the said situation, The objective is to provide the combine which can maintain coolers easily.

The combine according to the present invention includes an engine,
A radiator for cooling the cooling water of the engine;
A cooling fan for cooling the radiator;
An oil cooler and an intercooler disposed on the opposite side of the cooling fan across the radiator,
The oil cooler is configured to be capable of being opened upward or downwardly rotated about an upper end side or a lower end side as a rotation fulcrum with respect to a radiator frame that supports the radiator.

  Since the oil cooler is configured to be able to open upward or downward with respect to the radiator frame, the oil cooler can be cleaned with the oil cooler open, and the oil cooler can be easily maintained.

  In the present invention, the oil cooler may be configured to be openable downward with respect to the radiator frame, and the intercooler may be configured to be openable upward with respect to the radiator frame.

  Usually, since the oil cooler is heavier than the intercooler, it is easier to maintain the oil cooler by opening the oil cooler downward instead of lifting it upward. Further, by making the oil cooler open downward and the intercooler open upward, it is possible to prevent dust removed when cleaning one cooler from adhering to the other cooler.

In the present invention, further comprising a support frame that supports one of the oil cooler and the intercooler,
The other of the oil cooler and the intercooler and the support frame may be arranged with a gap.

  According to this configuration, since the outside air is directly supplied to the radiator through the gap, the radiator can be appropriately cooled.

In the present invention, the oil cooler includes a first oil cooler and a second oil cooler,
The support frame includes a vertical frame that supports the first oil cooler from both sides, and a horizontal frame that connects the vertical frame to support the second oil cooler,
The second oil cooler is disposed with a gap with respect to the first oil cooler and the vertical frame,
One of the first oil cooler and the second oil cooler may be an oil cooler for a transmission, and the other may be an oil cooler for a work machine.

  According to this configuration, since the gaps are provided between the first and second oil coolers and between the second oil cooler and the support frame (vertical frame), more outside air is directly supplied to the radiator. The radiator can be cooled properly.

Combine left side view Combine right side view Top view of the combine Engine room right side view Perspective view of engine room Oil cooler right side view Perspective view with oil cooler open Perspective view with the intercooler open

  An example of a combine according to the present invention will be described.

[Overall structure of combine]
1-3 show the left side surface, right side surface, and plane of the combine 100 of this embodiment, respectively. In the figure, the front-rear direction, the left-right direction, and the up-down direction of the combine 100 are indicated by arrows. The combine 100 includes a traveling device 1, a reaping device 2, a threshing device 3, a sorting device 4, a storage device 5, and a power device 6.

  The traveling device 1 is provided below the body frame 10. The traveling device 1 includes a transmission 11 and a crawler device 12 provided in a pair of left and right. The transmission 11 transmits the power of the engine 61 mounted on the body frame 10 to the crawler device 12. The crawler device 12 causes the combine 100 to travel in the front-rear direction, and turns the combine 100 in the left-right direction.

  The reaping device 2 is provided in front of the traveling device 1. The reaping device 2 includes a reel 21, a cutter (cutting blade) 22, an auger (lateral feed screw) 23, and a feeder 24. The reel 21 guides the cereal straw in the field to the cutter 22 by rotating. The cutter 22 cuts the cereal bowl guided by the reel 21. The auger 23 collects the cereals cut by the cutter 22 at a predetermined position. The feeder 24 supplies the cereals harvested by the reaping device 2 to the threshing device 3 via the feeder house 25. The feeder house 25 has a built-in conveyor for conveying the cereals collected by the auger 23 to the rotor.

  The threshing device 3 is provided behind the reaping device 2. The threshing device 3 includes a handling cylinder, a receiving net, and a front rotor. The handling barrel threshs the cereal by rotating. Moreover, the handling cylinder conveys the cereal by rotating. The receiving net supports the cereal bowl conveyed by the handling cylinder and drops the cereal to the sorting device 4. The front rotor feeds the cereal straw that has been conveyed by the feeder 24 to the threshing device 3. Moreover, the front rotor not only conveys the cereal but also has a function of performing preliminary threshing (pre-threshing).

  The sorting device 4 is provided below the threshing device 3. The sorting device 4 includes an oscillating device and a blower device (karasu). The oscillating device sifts through the cereal and sorts the grain. The grain selected by the rocking device is conveyed by the grain conveying device, and is put into the glen tank 51 through the charging port. The blower device assists the selection of the grains by blowing away foreign substances such as sawdust included in the threshing. Contaminants such as sawdust are discharged to the outside from a discharge port (not shown) provided behind the sorting device 4.

  The storage device 5 is provided on the right side of the threshing device 3 and the sorting device 4. Therefore, the threshing device 3 and the sorting device 4 and the storage device 5 are arranged in parallel on the left and right above the body frame 10. The storage device 5 includes a Glen tank 51. The Glen tank 51 stores the grains that have been conveyed from the sorting device 4. The discharge auger 52 is used when discharging the grains in the grain tank 51. The discharge auger 52 is configured to be rotated in the vertical and horizontal directions when performing the grain discharging operation, so that the grain can be discharged to an arbitrary place.

  The operation unit 13 is provided in front of the glen tank 51 at the right front portion of the fuselage frame 10. The driver 13 is provided with a driver's seat 14 on which an operator is seated, and a steering handle 15 disposed in front of the driver's seat 14, and various operating tools such as a shift lever, a clutch lever, and switches around them. Is arranged.

  The power device 6 is provided below the operation unit 13 and in front of the storage device 5. The power unit 6 includes an engine 61 housed in the engine room 60 and an engine room cover 60 a that covers an opening on the right side of the engine room 60. The engine 61 of the present embodiment is a diesel engine, and converts thermal energy obtained by burning fuel into kinetic energy. More specifically, the engine 61 converts thermal energy obtained by burning fuel into motive power that drives each part such as the traveling device 1.

  The engine room cover 60a has a substantially pentagonal shape as shown in FIG. The engine room cover 60a is openable and closable in the front-rear direction around a vertical axis provided on the rear end side.

[Configuration in the engine room]
4 and 5 are a right side view and a perspective view of the engine room 60 with the engine room cover 60a removed.

  The engine room 60 includes an engine 61 disposed below the operation unit 13, a cooling fan 62 that is driven to rotate by the engine 61, a radiator 63 that cools the cooling water of the engine 61, and a cooling fan that sandwiches the radiator 63. An oil cooler 64 and an intercooler 65 arranged on the opposite side of 62 are provided.

  The cooling fan 62 sucks outside air by rotating with the engine 61 as a drive source. Cooling air generated when the cooling fan 62 sucks outside air flows toward the engine 61 via the oil cooler 64, the intercooler 65, and the radiator 63. The cooling fan 62 is disposed in front of the center in the front-rear direction of the engine room 60 (see FIG. 4).

  The radiator 63 is provided outside the cooling fan 62, specifically, on the right side of the cooling fan 62. The radiator 63 is attached to a rectangular frame-shaped radiator frame 631 in a side view. A shroud is provided between the radiator 63 and the cooling fan 62. The shroud is a member for efficiently applying the cooling air generated by the cooling fan 62 to the radiator 63. The shroud is a box-like member having the same size as that of the radiator 63, the entire surface is open on the radiator 63 side, and the surface on the cooling fan 62 side has a diameter slightly larger than the diameter of the cooling fan 62. A hole 62a is formed.

  The oil cooler 64 is provided on the front side of the engine room 60. The oil cooler 64 includes a transmission oil cooler 66 (corresponding to a first oil cooler) and a work machine oil cooler 67 (corresponding to a second oil cooler). The transmission oil cooler 66 and the work machine oil cooler 67 are arranged side by side. A fuel cooler 68 (see FIG. 7) for cooling the fuel supplied to the engine 61 is provided on the left side of the work implement oil cooler 67 (the back side of the engine room 60).

  The amount of cooling air is large around the cooling fan 62, specifically around the shroud suction hole 62a. In the present embodiment, a transmission oil cooler 66 having a large air pressure loss is arranged near the cooling fan 62, and further, the working oil cooler 67 and the fuel are increased by overlapping in a side view. A cooler 68 is arranged. Thus, the air flows easily to the portion where the air flow is likely to be deteriorated because it is far from the cooling fan 62, specifically to the rear portion of the radiator 63.

  FIG. 6 is a right side view of the oil cooler 64. The transmission oil cooler 66 and the work machine oil cooler 67 are supported by an oil cooler frame 641 (an example of a support frame). The oil cooler frame 641 includes two vertical frames 641a and 641b extending in the vertical direction and a horizontal frame 641c that connects the upper ends of the two vertical frames 641a and 641b. The vertical frames 641a and 641b support the transmission oil cooler 66 from both sides in the front-rear direction. The horizontal frame 641c supports the work machine oil cooler 67 from above.

  The transmission oil cooler 66 is connected to the transmission 11. The transmission oil cooler 66 cools the transmission oil by exchanging heat with the cooling air. The width of the transmission oil cooler 66 in the front-rear direction is substantially the same as the length of the horizontal frame 641c.

  The work machine oil cooler 67 is disposed on a hydraulic circuit for the work machine. The work machine oil cooler 67 cools the work machine oil by exchanging heat with the cooling air. The width in the front-rear direction of the work machine oil cooler 67 is shorter than the length of the horizontal frame 641c, and the work machine oil cooler 67 has gaps S1 and S2 between the vertical frames 641a and 641b. Further, the work machine oil cooler 67 is disposed so as to have a gap S3 between the work oil cooler 67 and the transmission oil cooler 66. By providing these gaps, outside air is directly supplied to the radiator 63 through the gaps S1, S2, and S3, and the radiator 63 can be appropriately cooled.

  Connected to the lower part of the work machine oil cooler 67 are first and second work machine oil hoses 67a and 67b for supplying or discharging the work machine oil. The first and second working machine oil hoses 67a and 67b are arranged side by side in the front-rear direction. The first and second working machine oil hoses 67a and 67b extend to the engine 61 side via the lower frame 631a of the radiator frame 631.

  The oil cooler 64 is configured to be able to open downward with respect to the radiator frame 631 so that the upper end side rotates around the lower end side as a pivot point. The oil cooler frame 641 can rotate around a rotation shaft 641d extending rearward from the front frame 631b of the radiator frame 631. The front end of the rotation shaft 641d is fixed to the front frame 631b, and the rear end is fixed to a bracket 631e provided on the lower frame 631a. The rotation shaft 641d passes through the vertical frames 641a and 641b of the oil cooler frame 641, and the oil cooler frame 641 can rotate around the rotation shaft 641d.

  FIG. 7 shows an open state in which the oil cooler 64 is opened. In order to open the oil cooler 64, the two butterfly bolts 642 and 642 for fixing the horizontal frame 641c of the oil cooler frame 641 to the upper frame 631c of the radiator frame 631 are removed, and the first and second working machine oil hoses 67a are removed. , 67b are removed from the lower frame 631a of the radiator frame 631 by removing the two knob bolts 643, 643.

  A substantially U-shaped handle 644 that is gripped when the oil cooler 64 is opened and closed is welded and fixed to the upper end of the vertical frame 641 a on the rear side of the oil cooler frame 641. On the other hand, a stopper plate 645 is fixed by welding to the lower end of the vertical frame 641a. The stopper plate 645 has a side surface 645a and a bottom surface 645b arranged in a substantially L shape. The side surface 645a is fixed to the front surface of the vertical frame 641a, and the bottom surface 645b rotates together with the vertical frame 641a. In the closed state shown in FIG. 5, the bottom surface 645 b is not in contact with the upper surface of the lower frame 631 a of the radiator frame 631 (see FIG. 4) and is inclined. When the oil cooler 64 is rotated from the closed state shown in FIG. 5 to the open state shown in FIG. 7, the bottom surface 645b comes into contact with the upper surface of the lower frame 631a of the radiator frame 631, and the oil cooler frame 641 The rotation can be stopped.

  The intercooler 65 is provided on the rear side of the engine room 60. The intercooler 65 is disposed on the intake path of the engine 61. The intercooler 65 cools the high-temperature intake air pressurized by the supercharger by heat exchange with the cooling air. The intercooler 65 is attached to the upper frame 631c of the radiator frame 631 by a mounting plate 651 fixed to the upper end. The intercooler 65 has a gap S4 (see FIG. 4) between the intercooler 65 and the oil cooler frame 641. By providing the gap S4, outside air is directly supplied to the radiator 63 through the gap S4, and the radiator 63 can be appropriately cooled.

  At the lower end of the intercooler 65, a horizontal plate 652 extending in the front-rear direction and a gripping rod 653 extending downward from the horizontal plate 652 are provided. In the closed state of the intercooler 65 shown in FIG. 5, the gripping rod 653 is fixed to the upper surface of the lower frame 631a of the radiator frame 631, and supports the intercooler 65 from below. On the other hand, when opening the intercooler 65, the intercooler 65 can be lifted by holding the gripping rod 653.

  Connected to the upper portion of the intercooler 65 are first and second air hoses 65a and 65b for supplying or discharging air. The first and second air hoses 65a and 65b are arranged side by side in the front-rear direction. The first and second air hoses 65a and 65b extend to the engine 61 side via a mounting plate 651.

  The intercooler 65 is configured to be openable with respect to the radiator frame 631 so that the lower end side rotates about the upper end side as a rotation fulcrum. As described above, the upper portion of the intercooler 65 is attached to the radiator frame 631 via the attachment plate 651. However, by removing the butterfly bolt 654 that fixes the attachment plate 651 to the radiator frame 631, These air hoses 65a and 65b are supported from above. Therefore, the intercooler 65 can be opened upward using the first and second air hoses 65a and 65b as rotation fulcrums as the first and second air hoses 65a and 65b bend.

  FIG. 8 shows an open state in which the intercooler 65 is opened. In order to open the intercooler 65, in addition to the butterfly bolt 654, butterfly bolt 655 for fixing the rear end of the horizontal plate 652 to the rear frame 631d of the radiator frame 631, and the lower end of the gripping rod 653 are the lower frame of the radiator frame 631. Remove the butterfly bolt 656 to be fixed to 631a.

  A support stay 657 that holds the intercooler 65 in an open state is rotatably supported at the rear portion of the horizontal plate 652. The support stay 657 is rotatably supported at the base end side by the horizontal plate 652 and can be rotated at the distal end side. In the closed state of the intercooler 65 shown in FIG. 5, the support stay 657 is fixed to the clip 658. On the other hand, in the open state of the intercooler 65 shown in FIG. 8, the support stay 657 is removed from the clip 658, and the distal end side of the support stay 657 is in contact with the lower surface of the locking projection 659 provided on the radiator 63 side. The intercooler 65 can be held in the open state.

  In the above-described embodiment, an example in which the oil cooler 64 is opened downward and the intercooler 65 is opened upward is shown. According to this configuration, the dust removed when cleaning one of the coolers can be prevented from adhering to the other cooler, which facilitates maintenance. However, the opening direction of the oil cooler 64 and the intercooler 65 is not limited to this, and the oil cooler 64 may be opened upward and the intercooler 65 may be opened downward. Further, both the oil cooler 64 and the intercooler 65 may be opened upward or downward. By opening both in the same direction, the oil cooler 64 and the intercooler 65 can be easily opened.

  In the present embodiment, an example of a normal combine is shown, but the present invention is not limited to this, and the present invention may be a self-removing combine.

  The present invention is not limited to the embodiments described above, and various improvements and modifications can be made without departing from the spirit of the present invention.

6 Power unit 60 Engine room 61 Engine 62 Cooling fan 63 Radiator 631 Radiator frame 64 Oil cooler 641 Oil cooler frame 641a Vertical frame 641b Vertical frame 641c Horizontal frame 641d Rotating shaft 65 Intercooler 66 Oil cooler for work machine 67 100 Combine S1 Gap S2 Gap S3 Gap S4 Gap

Claims (4)

Engine,
A radiator for cooling the cooling water of the engine;
A cooling fan for cooling the radiator;
An oil cooler and an intercooler disposed on the opposite side of the cooling fan across the radiator,
The oil cooler is configured to be configured to be capable of being opened upward or downwardly with respect to a radiator frame that supports the radiator.   The combine according to claim 1, wherein the oil cooler is configured to be openable downward with respect to the radiator frame, and the intercooler is configured to be openable upward with respect to the radiator frame. A support frame that supports one of the oil cooler and the intercooler;
The combine according to claim 1 or 2, wherein the other of the oil cooler and the intercooler and the support frame are arranged with a gap. The oil cooler includes a first oil cooler and a second oil cooler,
The support frame includes a vertical frame that supports the first oil cooler from both sides, and a horizontal frame that connects the vertical frame to support the second oil cooler,
The second oil cooler is disposed with a gap with respect to the first oil cooler and the vertical frame,
The combine according to claim 3, wherein one of the first oil cooler and the second oil cooler is an oil cooler for a transmission, and the other is an oil cooler for a work machine.

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