JPS64743Y2 - - Google Patents

Description

[Detailed description of the invention] This invention consists of a centralized oiling system for a harvester, specifically a pump, a plurality of distribution valves, and a main oil supply pipe, a cutting blade for reaping grain culms, a grain culm lifting device, a grain culm conveying device, etc. The present invention relates to a central oil supply system that supplies lubricating oil to a drive system of a vehicle.

In general, a harvester such as a combine harvester has a grain culm lifting device installed upright at the front, a cutting blade at the rear lower part of the lifting device, and a cutting blade placed at the rear near the cutting blade. The grain culm conveying device includes an upper and a lower conveying chain that grips the root and the tip side of the grain culm and conveys the grain culm horizontally in a rearward and upward direction, and a vertical conveying chain that extends rearward and upwardly from each of the chains, Grain culms are harvested by the cutting blade while being pulled up by the lifting device, and the harvested grain culms are conveyed horizontally upward and rearward by the lower conveying chain above the conveying device, and then transported by the vertical feeding chain to the reaping machine. The purpose is to transport and supply the threshing equipment to the rear part of the threshing equipment.

However, it is necessary to supply lubricating oil to the cutting blade, grain culm lifting device, grain culm conveying device, etc.
Conventionally, this lubricating oil was supplied as follows.

That is, as shown in FIG. 3, a first distribution valve V ₁ having four output ports is connected to the main oil supply pipe F extending from the pump P, and one port of the distribution valve V ₁ is connected to the main oil supply pipe F extending from the pump P.
A second distribution valve V ₂ with two output ports is connected to the other one.
3rd distribution valve with 1 port and 4 output ports
V ₃ respectively, and the third distribution valve
A _fourth distribution valve _V4 having three output ports is connected to one port of V3, and a fifth distribution valve _V5 having two output ports is connected to the other port.

and one boat of the first distribution valve _V1 ;
The two ports of the third distribution valve V ₃ are opened to the left side, the middle part, and the right side of the hoisting device through oil supply pipes to supply lubricating oil to each part of the hoisting device, and the first distribution valve One port of the valve V ₁ and one port of the fifth distribution valve V ₅ are opened to the left and right sides of the upper conveying chain through an oil supply pipe to lubricate each part of the upper conveying chain, and One port of each of the second distribution valve V ₂ and the fourth distribution valve V ₄ is opened to the left and right sides of the lower conveyance chain via an oil supply pipe to lubricate each part of the lower conveyance chain, while the One port of the five distribution valve V ₅ is opened to the vertical feed chain to lubricate the vertical feed chain, and two ports each of the second distribution valve V ₂ and the fourth distribution valve V ₄ are opened for mowing. Opening the left end and left middle part of the blade and the right end and right middle part of the cutting blade,
This was done to lubricate each part of the cutting blade.

In this manner, as the pump P is driven, the lifting device, the grain culm conveying device, and the cutting blade are simultaneously supplied with oil via the distribution valves V ₁ , V _{2 .} . . .

By the way, when using the reaper, it is sufficient to lubricate the pulling device and the grain culm conveying device about once a day, but the cutting blade is reciprocated violently and quickly runs out of oil, so it is not necessary to lubricate it. It is necessary to increase the number of times.

Conventionally, when the cutting blade runs out of oil, the pump P is driven to supply oil, but the above-mentioned oil supply means is designed to supply oil to the cutting blade, the pulling device, and the grain culm conveying device at the same time. Therefore, lubricating oil has to be supplied to unnecessary parts other than the cutting blade, which means that lubricating oil is wasted. There was a problem in that the cutting blade was refilled at the same time as it ran out of oil, consuming unnecessary lubricating oil.

The present invention was devised in view of the above-mentioned problems, and its purpose is to selectively lubricate the cutting blade, the pulling device, and the grain culm conveying device as a whole, and the individual lubrication of only the cutting blade. The purpose is to perform efficient lubrication without consuming unnecessary lubricating oil.

Therefore, the configuration of the present invention is such that one of the plurality of distribution valves connected to the pump via the main oil supply pipe is a distribution valve exclusively for the cutting blade, and the oil supply pipe leading to the cutting blade is connected to the distribution valve, and the oil supply pipe leading to the cutting blade is connected to the distribution valve. A distribution valve exclusively for cutting blades is installed in the main oil supply pipe at a position closest to the pump, and a distribution valve for the drive system is installed in series behind the distribution valve exclusively for cutting blades on the outlet side. An on-off valve was interposed between the blade-specific distribution valve and the drive system distribution valve, allowing the blade-specific distribution valve to operate independently and giving priority to lubricating the cutting blade.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The centralized oiling system for a reaper according to the present invention will be explained below with reference to the drawings.

The drawing shows a combine harvester as an example of a reaping machine, which is equipped with a traveling device 2 at the bottom of the machine body 1, a threshing device 4 having a feed chain 3 at the top, and a reaping section 5 at the front part of the machine body 1. .

The reaping section 5 has a grain culm pulling device 6 erected at the front part, a cutting blade 7 extending in the transverse direction at the rear lower part of the pulling device 6, and a rear part near the cutting blade 7 for raising the harvested grain. A grain culm conveying device 11 is provided which includes upper and lower culm conveying chains 8 and 9 and a vertical feed chain 10 extending rearward and upward from each of the chains 8 and 9.

In this way, the grain culm is pulled up by the lifting device 6 and harvested by the cutting blade 7, and the root and tip sides of the harvested grain culm are held between the upper and lower chains 8, 9 of the conveying device 11. The grains are transported upward in a horizontal manner, and transported from the transport end of each of the chains 8 and 9 to the feed chain 3 of the threshing device 4 by the vertical feed chain 10, and the threshing device 4 threshes the grain culms. I am trying to process it.

In the reaping section 5 of the combine harvester as described above, a centralized lubrication device for the lifting device 6, cutting blade 7, and grain culm conveying device 11 is configured as follows to supply lubricating oil to each part of the reaping section 5. I did what I was supposed to do.

That is, as shown in FIG. 2, four output ports V ₁ C ₁ , V ₁ C ₂ , V ₁ C ₃ ,
A first distribution valve V 1 C exclusively for cutting blades having V ₁ C ₄ is installed, and one port V ₁ C ₁ of the distribution valve V ₁ C is provided with a first distribution valve V ₁ C 4.
A second distribution valve V 2 C exclusively for cutting blades having two output ports V ₂ C ₁ and V ₂ C ₂ is connected, and two ports V ₁ C ₂ and V ₂ C of the first distribution valve V 1 _{C are} connected. ₂ are opened to the right end portion and the right middle portion of the cutting blade 7 through oil supply pipes f, respectively, while the two ports of the second distribution valve V ₂ C
V ₂ C ₁ and V ₂ C ₂ are opened to the left end and left center of the cutting blade 7 through oil supply pipes f, respectively, and the first and second distribution valves V ₁ C, V ₂ C and each The lubricating oil from the tank T is supplied to four locations in the length direction of the cutting blade 7 via the oil supply pipe f.

In addition, the first distribution valve V ₁ C and the remaining port V ₁ C ₄ ,
Connecting a third distribution valve V ₃ D for the drive system having four output ports V ₃ D ₁ , V ₂ D ₂ , V ₃ D ₃ , V ₃ D ₄ leading to the lifting device 6 and the conveying device 11, The two ports V ₃ D ₁ and V ₃ D ₂ of the distribution valve V ₂ D are connected to the oil supply pipe f.
is opened to the left, intermediate and right sides of the lifting device 6 through the opening to lubricate each part of the lifting device 6, and one port of the third distribution valve V ₃ D.
V ₃ D ₃ , three output ports V ₄ D ₁ , V ₄ D ₂ , V ₄ D ₃
While connecting the fourth distribution valve V ₄ D for the drive system with
The remaining port V ₃ D ₄ of the third distribution valve V ₂ D includes:
A fifth distribution valve V ₅ D for _the drive system having two output ports V 5 D ₁ and V ₅ D ₂ is connected.

Also, one port V ₄ D ₁ of the fourth distribution valve V ₄ D
Then, one port V ₅ D ₁ of the fifth distribution valve V ₅ D ₁ is opened to the left and right sides of the lower chain 9 in the conveying device 11 through the oil supply pipe f, respectively, and the fourth distribution valve V ₄ D and fifth distribution valve V ₅ D each 1
The two ports V ₄ D ₂ and V ₅ D ₂ are opened to the left and right parts of the upper chain 8 via the oil supply pipe f, while the
The remaining port V ₄ D ₃ of the distribution valve V ₄ D is opened to the vertical feed chain 10 via the oil supply pipe f, and this fourth
Each part of the conveying device 11 is lubricated via the fifth distribution valves V ₄ D, V ₅ D and each oil supply pipe f.

And between the first distribution valve V ₁ C exclusively for the cutting blade and the third distribution valve V ₂ D for the drive system, only the first distribution valve V ₁ C can operate independently in the middle of the main oil supply pipe F. An on-off valve V for preferentially lubricating the cutting blade 7 is interposed, and the on-off valve V supplies oil to the entire hoisting device 6, cutting blade 7, and grain culm conveying device 10, and to the cutting blade 7. The purpose of this design was to selectively perform independent refueling.

In the illustrated embodiment, in the middle of the oil supply pipe f connected to the output port V ₃ D ₁ of the third distribution valve V ₃ D,
A sixth distribution valve V ₆ D is interposed so that the lubricating oil is distributed to the left side and middle portion of the lifting device 6 by the distribution valve V ₆ D.

Further, a magnet 12 is attached to the bottom of the tank T so that it can be freely moved in and out to remove metal powder mixed into the lubricating oil in the tank T.

In the above embodiments, a combine harvester is shown as an example of a reaping machine, but the present invention can also be applied to a binder or the like.

The centralized lubrication system of the present invention is constructed as described above, and when the cutting blade 7 runs out of oil during reaping and threshing work of a combine harvester, the drive system side distribution valve V ₃ D is switched by switching the on-off valve V. , V ₄ D..., that is, the grain culm lifting device 6 and the grain culm conveying device 11
The lubricating oil is preferentially supplied from the pump P to the cutting blade 7 via the first and second distribution valves V ₁ C and V ₂ C on the side dedicated to the cutting blade.

Also, during periodic refueling, the on-off valve V
As a result of the opening operation, oil is supplied from the pump P to the cutting blade 7 via the first and second distribution valves V ₁ C and V ₂ C, and at the same time, the respective distribution valves V ₃ D and V ₄ D on the drive system side are supplied with oil.
... through the grain culm lifting device 6 and the grain culm conveying device 1
It supplies oil to each part of 1.

As explained above, in the centralized lubrication system of the present invention, a distribution valve dedicated to the cutting blade and a distribution valve for the drive system leading to the grain culm lifting device, grain culm conveyance device, etc. are interposed in the main oil supply pipe, and each of the distribution valves is In between, an on-off valve was installed to enable independent operation of only the distributing valve dedicated to the cutting blade and give priority to lubricating the cutting blade. Since the entire refueling of the cutting blade and the grain culm conveying device is selectively performed by switching the on-off valve, lubricating oil is supplied to the entire reaping section when the cutting blade runs out of oil, as in the conventional case. This means that only the cutting blades can be lubricated preferentially, eliminating unnecessary lubricant consumption and enabling efficient lubrication.

[Brief explanation of the drawing]

Figure 1 is a side view of a combine equipped with the central lubrication system of the present invention, Figure 2 is a piping diagram of the same lubrication system,
FIG. 3 is a piping diagram showing a conventional example. P...Pump, F...Main oil supply pipe, f...Oil supply pipe, V...Opening/closing valve, V ₁ C...Distribution valve for cutting blades,
V ₃ D...Distribution valve for drive system, 6...Grain culm lifting device,
7...Mowing blade, 11...Grain culm conveying device.

Claims (1)

[Scope of utility model registration request] It consists of a pump P, a plurality of distribution valves V ₁ C...V ₃ D... and a main oil supply pipe F, and supplies lubricating oil to the cutting blade that reaps the grain culm and the drive system such as the grain culm lifting device and the grain culm conveying device. A central lubrication device for supplying oil, wherein the distribution valve
V ₁ C, one of V ₁ C, V ₃ D... is used as a distribution valve exclusively for cutting blades, and an oil supply pipe f is connected to the distribution valve V ₁ C,
The cutting blade dedicated distribution valve V ₁ C is interposed in the main oil supply pipe F at a position closest to the pump P, and a drive system distribution valve V is installed at the rear of the exit side of the cutting blade dedicated distribution valve V ₁ C. ₃ D... are interposed in series, while the above-mentioned distributing valve V ₁ C for the cutting blade and the drive system distributing valve V ₃ D interposed at the rear of the outlet side of the distributing valve V ₁ C are installed. A centralized lubrication device for a reaper, characterized in that an opening/closing valve V is interposed to enable only the cutting blade dedicated distribution valve V ₁ C to operate independently and give priority to lubrication to the cutting blade.