JPH052054Y2 - - Google Patents

Description

[Detailed explanation of the invention] (a) Industrial application field The present invention relates to an oil tank in a combine harvester, and more specifically, the invention has a rational arrangement in a narrow space between a pretreatment section and an automatic threshing device, and also improves maintainability. This invention relates to an oil tank mounting structure that improves the performance of the oil tank.

(b) Conventional technology In general, a combine harvester is equipped with a large number of hydraulic devices to operate work equipment such as a pre-processing section.
These hydraulic devices are operated by being supplied with oil stored in a transmission case using a hydraulic pump.

(c) Problems that the invention aims to solve: However, the oil stored in the transmission case is not optimal as a hydraulic oil because it contains a lot of wear particles from gears, etc., which can cause valve clogging, etc. In addition, the amount of oil in the case is small, and the oil temperature rises rapidly due to the agitation of the oil by the transmission and the operation of the hydraulic equipment, which has a negative impact on the hydraulic equipment and causes the oil to deteriorate quickly. There is a risk that it will be stored away.

Therefore, it is conceivable to install a special oil tank for hydraulic equipment on the aircraft and configure it to supply oil for operating the hydraulic equipment from this oil tank, but in this case, it depends on the location of the oil tank. As a result, it becomes difficult to perform oil changes, filter changes, etc., and there is a risk that maintainability will be significantly impaired.

(d) Means for solving the problem The purpose of the present invention is to solve the above-mentioned problems. For example, as shown in Figs. While placing the device 7, the two vertical members 17a, 17
A pre-processing support frame 17 having a diameter b is erected, and the pre-processing support frame 17 supports the pre-processing section 8 so as to be able to rise and fall freely, and oil is supplied to each hydraulic device via a suction filter 23 and a hydraulic pump P. In the combine harvester, the oil tank 19 is configured as a rectangular parallelepiped that is wide in front view and narrow in side view, and the oil tank 19 is configured as a rectangular parallelepiped that is wide in front view and narrow in side view. and between the two vertical members 17a and 17b of the pretreatment support frame 17, and the oil filler port 35 of the oil tank 19 projects forward of the tank and is connected to the pretreatment section 8. and the suction filter 23 is mounted on the outer side of the member 17a on the outer side of the machine body of the two vertical members and close to the member. in the mounting structure.

(e) Effect Based on the above configuration, the oil tank 19 is arranged by making rational and effective use of the narrow space between the pre-processing section 8 and the automatic threshing device 7, and the oil tank 19 is arranged to make efficient and efficient use of the narrow space between the pre-processing section 8 and the automatic threshing device 7, and the oil tank 19 can be used for oil exchange and oil replenishment. This can be easily carried out from the side of the machine body 3 with the pretreatment section 8 raised. and,
Maintenance work for the oil filter 23 can also be performed quickly from outside the aircraft without being disturbed by other equipment.

(F) Embodiments Hereinafter, embodiments of the present invention will be described with reference to the drawings.

As shown in FIG. 4, the combine 1 has a body 3 supported by a crawler 2 driven by a sprocket S, and an engine 4 is mounted on one side of the body 3 at the rear. At the same time, a driver's seat 5 is arranged in the front, and a grain tank 6 is installed between them, and an automatic threshing device 7 is installed on the other side of the fuselage 3. Further, a preprocessing section 8 is disposed in the front of the machine body 3 so as to be able to move up and down, and a mission case 9 is mounted in the lower part of the machine body 3 at the rear thereof. And driver's seat 5
A driver's seat frame 10 is fixed on a body frame 3a, and a step surface 11 is fixed on the front part of the frame 10. Further, a seat 13 is installed at the rear of the frame 10 via a seat frame, and an operating table 15 is erected above the front part of the frame 10, and the upper surface of the operating table 15 is Operation panel 16
It's getting old.

On the other hand, as shown in FIG. 1, on the other side of the machine body 3, a pre-processing support frame 17 supporting the pre-processing part 9 is disposed on the machine frame 3a between the automatic threshing device 7 and the pre-processing part 8. The frame 17 has two vertical members 17a, 17b standing upright on the fuselage frame 3a and a horizontal member 17c connecting the upper portions of these vertical members. An oil tank 19 is installed inside the pretreatment support frame 17, as shown in FIGS. 1 to 3. The oil tank 19
is composed of a rectangular parallelepiped that is wide in front view and narrow in side view, and the two vertical members 1 of the preprocessing support frame are disposed between the preprocessing section 8 and the automatic threshing device 7.
It is arranged between 7a and 17b. Furthermore, a hydraulic valve 20 is installed above the oil tank 19, and a supply pipe 21 is interposed inside the tank 19, penetrating from one side to the other. Outer vertical member 17
A suction filter 23 is bolted to a bracket 22 provided protruding toward the outside of the machine body at a, and the supply pipe 21 is attached to the filter 23.
is connected at one end. Also, oil tank 1
A suction pipe 25 is provided on one side of No. 9 facing outward from the fuselage, and the suction pipe 25
has one end connected to the suction filter 23. Further, a counter case 26 is installed adjacent to the inside of the oil tank 19, and a split pulley 27 that constitutes a continuously variable transmission is installed on one side of the case 26, and a split pulley 27 that constitutes a continuously variable transmission is installed on the other side. A hydraulic pump P is installed. The other end of the supply pipe 21 is connected to the hydraulic pump P, and the other end of a pipe 28 whose one end is connected to the hydraulic valve 20 is also connected. Furthermore, a bracket 29 is installed and protrudes toward the rear of the machine on the side member 17c of the pretreatment support frame 17 on the outside of the machine body, and a U-turn filter 30 is fixedly installed on the bracket 29. Filter 3
A pipe 31 is connected to one side of the oil tank 0, and the other end of a return pipe 32 whose one end is connected to the oil tank 19 is connected to the other side. In addition, as shown in Fig. 2, the oil tank 1
9 is rotatably installed on one side of the outer vertical member 17a of the pretreatment support frame 17 via a hinge 33, so that the oil tank 19 can be opened by, for example, removing the supply pipe 21 from the hydraulic pump P.
It is configured to freely rotate toward the other side of the body 3. Further, an oil filler port 35 is provided projecting forward from the oil tank 19, and the oil filler port 35 is located between the pretreatment section 8 and the cap 36. In addition, numeral 37 in the figure is an oil drain plug for discharging oil from the oil tank 19.

Since this embodiment has the above configuration,
When the rotation of the engine 4 is transmitted from the split pulley 27, the hydraulic pump P is driven, whereby the oil in the oil tank 19 is sucked up into the suction filter 23 via the suction pipe 25, and further into the supply pipe 21. It is sent to the hydraulic pump P via. The oil sent from the hydraulic pump P to the hydraulic valve 20 via the pipe 28 is supplied to operate hydraulic equipment such as the pretreatment section 8. The oil that has circulated through these hydraulic devices flows into the U-turn filter 30 via a pipe 31, and is further returned to the oil tank 19 via a return pipe 32.

On the other hand, during maintenance, the suction filter 23 and the U-turn filter 30 can be easily removed from the other side of the fuselage 3.
In addition, oil replenishment and oil replacement work for the oil tank 19 can be performed by removing the cap 36 from the other side of the machine body 3 with the pretreatment section 8 raised, and replenishing oil from the oil filler port 35, or by removing the oil from the oil drain plug. This can be easily done by removing the oil filler 37, draining the oil, and refilling the oil from the oil filler port 35. Furthermore, the preprocessing section 8 is removed from the preprocessing frame 17, and the hinge 33 is removed.
When the oil tank 19 is rotated toward the other side of the aircraft body 3, the oil filler port 35 faces outward from the aircraft body, making it easier to refuel and to remove the oil drain plug 37. All oil changes can be done extremely easily. Further, by opening the front side of the automatic threshing device 7 with the oil tank 19, maintenance work such as adjusting the angle of the chuck sheave of the swinging sorting body of the automatic threshing device 7 can be easily performed. Further, since the hydraulic valve 20 installed above the oil tank 19 is also located facing outward on the other side of the body 3, maintenance work such as replacement, repair, and inspection of the valve 20 can be easily performed.

Note that the inner surface of the oil tank 19 is coated with a magnetic material that has a rust-preventing effect, and the oil drain plug 37 installed near the outlet of the return pipe 32 to the oil tank 19 is a magnetic oil drain plug, or a supply pipe is used. 21. Coating the inner surface of hydraulic pipes such as the suction pipe 25 with a magnetic material, or constructing these hydraulic pipes with a magnetic material, constantly adsorbs iron powder, etc. in the hydraulic circuit, purifies the oil, and cleans the oil of each hydraulic valve. It may be configured to prevent clogging or the like.

(g) Effects of the invention As explained above, according to the invention, the oil tank 19 is configured as a rectangular parallelepiped that is wide in front view and narrow in side view, and the pretreatment section 8
Since it is arranged between the two vertical members 17a and 17b of the processing support frame 17 between the preprocessing section 8 and the automatic threshing device 7, the preprocessing support frame 17 can be used to connect the preprocessing section 8 and the automatic threshing device 7. The oil tank 19 can be placed in a narrow space surrounded by
Moreover, based on the wide configuration in front view, a predetermined oil capacity can be secured despite the narrow space, and based on the narrow configuration in side view, it is possible to prevent movement of the preprocessing section 8 from being affected by other members.

Further, since the oil tank 19 is surrounded by the pre-processing section 8, the threshing device 7, and the pre-processing support frame 17, it is protected from the outside and prevents oil leakage due to damage to the oil tank 19. be able to.

Furthermore, since the oil filler port 35 of the oil tank 19 protrudes forward and is located between the pretreatment section 8 and the pretreatment section 8, it is surrounded by the pretreatment section 8, the automatic threshing device 7, and the pretreatment support frame 17 in normal working conditions. Even though the tank 19 is in a protected state, when replenishing the tank 19 with oil, the pre-treatment section 8 is raised to open the oil filler port 35 and the oil can be easily replenished.

Further, since the suction filter 23 is mounted on the outside of the outer vertical member 17a and close to the member 17a, the oil tank 19 and the suction filter 23 are connected by the short pipe 25. However, the suction filter 23 can be easily replaced from outside the aircraft.
Maintenance work can be simplified.

In addition, a hydraulic valve 2 is installed at the top of the oil tank 19.
0 and the tank 19 is rotatably installed on the outer vertical member 17a of the pretreatment support frame 17, the oil tank 19 can be rotated around the frame 17 and directed toward the outside of the aircraft, allowing refueling. In addition, since the hydraulic valve 20 faces outward from the aircraft body, replacement, repair, and inspection work can be easily performed, and maintenance efficiency is improved. I can do it.

In addition, if the inner surface of the oil tank 19 is coated with a magnetic material that has a rust-preventing effect, iron powder contained in the oil will be adsorbed to the inner surface of the tank 19, making it possible to easily purify the oil and prevent oil pressure from clogging. Breakdowns of valves and hydraulic equipment can be prevented.

[Brief explanation of the drawing]

FIG. 1 is a side view showing an oil tank and oil filter according to the present invention, FIG. 2 is a plan view thereof, FIG. 3 is a front view thereof, and FIG. 4 is a side view showing the entire combine harvester. DESCRIPTION OF SYMBOLS 1... Combine harvester, 3... Machine body, 3a... Machine frame, 7... Automatic threshing device, 8... Preprocessing section, 17... Preprocessing frame, 17a, 17b...
... Vertical member, 19 ... Oil tank, 23 ... Suction filter, 30 ... U-turn filter, P
……Hydraulic pump.

Claims (1)

[Claims for Utility Model Registration] (1) An automatic threshing device is mounted on the machine frame, and a pre-processing support frame having two vertical members is erected, and the pre-processing support frame is used to carry out pre-processing. In the combine harvester, the oil tank is wide in front view and narrow in side view. and is arranged between two vertical members of the pretreatment support frame between the pretreatment section and the automatic threshing device, and the oil filler port of the oil tank is connected to the oil tank. protruding forward and disposed between the pre-processing section, and the suction filter is mounted on the outside of the two vertical members on the outside of the body and close to the member; Installation structure of oil tank in combine harvester. (2) In the combine harvester according to claim 1, wherein the oil tank has a hydraulic valve at its upper part and is rotatably installed on the outer vertical member of the pretreatment support frame. Oil tank installation structure. (3) The oil tank mounting structure for a combine harvester according to claim 1, wherein the oil tank has an inner surface coated with a magnetic material having a rust-preventing effect.