JP2587618Y2 - Oiling device for grain culm conveying device - Google Patents

Description

[Detailed description of the invention]

[0001]

[Industrial application] A self-removable combine for rice and wheat, which has a pretreatment section at the front of the fuselage and a threshing section at the side, and transports the grain stalks backward by a feed chain outside the handling port. The present invention relates to an oiling device for a grain culm conveying device.

[0002]

2. Description of the Related Art A clamping conveyance device comprising a feed chain and a clamping rail along the feeding chain is provided at an angle outside the handling port, and each support pin of the clamping rail is vertically moved into each support hole of a rail support frame. A threshing machine movably supported by being inserted through an ammunition machine.
Nos. 49934 and 62-125431 are already known.

[0003]

[Problem to be solved by the present invention]
No. 34, which is already known, the lubrication groove is provided on the upper surface of the box-shaped rail support frame, so the lubrication groove is exposed to the outside, and straw chips and dust during threshing work are trapped in the lubrication groove. The lubricating oil is easily deposited and the lubrication is not smooth. Further, in the known lubrication system disclosed in Japanese Utility Model Application Laid-Open No. 62-125431, a clamping rail is supported from below by a rail support frame, and an oil groove is provided on the upper surface of the rail support frame. Is provided, the lubrication groove is exposed to the outside, and straw dust and debris during threshing work are easily deposited on the lubrication groove, and a dustproof cover is separately installed to prevent it. It's complicated.

[0004]

According to the present invention, a holding and transporting device comprising a feed chain and a clamping rail extending above the feed chain is provided at an angle to the outside of the handling port, and each support pin of the clamping rail is connected to the feeding chain. The rail support frame is formed in a box-shaped cross section, and is supported by being inserted into each support hole of the rail support frame via a bullet so as to be vertically movable, and the bottom plate is provided with the support hole or the vicinity thereof. The above-mentioned problem is solved by providing an oil supply groove passing through the oil supply hole, providing an oil reservoir portion also serving as a receiving portion of the ammunition around the support hole, and providing an oil supply port on a higher side of the rail support frame. did.

[0005]

In order to lubricate the sliding surface of the inner surface of the support pin of the pinching rail and the boss supporting the support pin, oil is supplied from the lubrication port provided on the higher side of the rail support frame. The oil flows along the inclined surface of the bottom plate of the oil reservoir, and firstly, in the highest oil reservoir among the oil reservoirs, the overflowing oil accumulates in the lower oil reservoir along the inclined surface, and all the oil is sequentially discharged. Fill the reservoir. The oil that has accumulated in the oil sump flows into the inside from an oil inlet provided at the oil level position of the boss, and performs lubrication of the sliding surface that repeats vertical movement. In this way, oil is supplied using the oil supply groove and the oil reservoir provided inside the bottom surface of the box-shaped cross section, so that smooth lubrication can be achieved without the accumulation of straw chips and dust during the threshing operation in the oil supply groove. Further, since the lower surface of the oil sump portion concentric with the support pin is directly used as the receiving portion of the ammunition, the structure is simplified.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the drawings. A combine for rice and wheat has a pretreatment section at the front of the machine body and a threshing machine 1 at the side, and a feed chain outside the handling port. Grain culm is clamped between 2 and the pinching rail 3, and while being transported backward, the ears of harvested crops such as rice and wheat are threshed in the threshing section, and the grains are sorted in the lower sorting section. Stored in a hopper or storage bag. Further, the culm part is discharged from the rear of the feed chain 2 to the outside of the machine body.

[0007] During the above operation, when the root portion of the cereal stalk is clamped between the feed chain 2 and the clamping rail 3 and conveyed backward,
The size (thickness) of the stem portion of the cereal stem varies from plant to plant each time, and the gap between the feed chain 2 and the clamping rail 3 needs to change correspondingly each time.
The lower feed chain 2 passes through a certain position, but the banding rail 3 adjusts the gap by repeating up and down movements according to the size (thickness) of the root portion of the grain stem.

[0008] The feed chain 2 is located outside the port and receives power from a lower driving gear 2a, and is guided by floating gears 2b and 2c disposed in front and rear of the body, and circulates on a fixed track. In this case, the base of the harvested product such as rice and wheat harvested in the front pre-processing section is conveyed backward. 2d is a tension gear that applies a constant tension to the feed chain 2.

The pinching rail 3 is a plate that straddles one of the chain plates of the feed chain 2 and has a downward U-shaped cross section, and a plurality of rail pieces are connected by pins 3a over the entire length. And the boss 3 supported by the pin 3a
A support pin 4 is fixed to b upward.

The support pins 4 are fitted into the upper rail support frame 5 in a vertically movable manner in a pipe 6 fixedly penetrating through a plurality of locations, top and bottom surfaces over the entire length corresponding to the support pins 4. Have been.

The rail support frame 5 is formed in a box-shaped cross section, is fixed to the upper part of the handle, and supports the clamping rail 3 via a spring 8 by the support pin 4 so as to be vertically movable.

At the center of the bottom surface of the rail support frame 5,
A lubricating groove 9 having a concave shape is provided in the longitudinal direction, and a portion of the lubricating groove 9 that intersects with the pipe 6 is formed with an oil sump 10 by raising a peripheral portion concentrically with the pipe 6. A lubrication port 11 is provided at a portion in contact with the oil surface of the portion 10,
The oil flowing from above and stored in the oil reservoir 10
The sliding surface between the support pin 4 and the inner surface of the pipe 6, which is guided inside and moves up and down, is lubricated.

A lubrication pipe 12 is mounted on the uppermost stay 7 of the rail support frame 5 from diagonally above toward the lubrication groove 9, and the oil injected into the lubrication pipe 12 is first inclined to the lubrication groove 9. The oil that has flowed along and is stored in the oil sump 10 provided at the highest position, and the overflowed oil similarly flows along the slope of the lubrication groove 9 and is stored in the oil sump 10 at the next position. The entire oil reservoir 10 is sequentially filled, and the sliding surfaces of the support pins 4 and the inner surfaces of the bosses 6 at the respective positions are lubricated.

Residual oil that has overflowed from the oil reservoir 10 at the final position is removed by a hole 9a provided near the end of the rail support frame 5.
Then, the lower feed chain 2 is refueled via the cutout window 15 through which the support pin 4 of the pinching rail 3 and the spring 8 pass.

The lubrication groove 9 and the oil sump 1 provided inside the bottom plate of the rail support frame 5 having a box-shaped cross section as described above.
Since lubrication is carried out using 0, smooth lubrication can be performed without the accumulation of straw chips and dust in the lubrication groove 9 during threshing. Further, since the concave portion on the lower surface of the oil reservoir 10 concentric with the support pin 4 is used as the receiving portion of the spring 8, the structure can be simplified.

The front guide rail 13 moves up and down according to the amount of culm during automatic feeding, but at the time of manual handling, the fulcrum 1
4 to rotate with the auxiliary support frame 16 to open a large opening so that the harvest can be easily supplied to the feed chain 2 by hand. At this time, the projecting piece 17 pushes down the front end of the swing arm 18 to rotate the frontmost rail piece upward.

[0017]

According to the present invention, a holding / conveying device composed of a feed chain 2 and a clamping rail 3 extending above the feed chain 2 is provided at an angle to the outside of the handling port, and each support pin 4 of the clamping rail 3 is attached. In a threshing machine which is supported by being inserted vertically into each of the support holes of the rail support frame 5 via a ram so as to be vertically movable, the rail support frame 5 is formed in a box-shaped cross section, and the support hole is formed in a bottom plate thereof. And a lubrication groove 9 passing through the vicinity thereof, an oil reservoir 10 also serving as a receiving portion of the ammunition is provided around the support hole, and a lubrication port is provided on a higher side of the rail support frame 5. As a result, lubrication is performed using the lubrication groove 9 and the oil reservoir 10 provided inside the bottom plate of the rail support frame 5 having a box-shaped cross section, so that straw chips and dust during threshing work do not accumulate in the lubrication groove 9. So that lubrication can be done smoothly Ri, also became the lower surface of the recess of the support pins 4 and concentric oil reservoir 10 as it is as since the receiving portion of the spring 8 can be a simple structure.

[Brief description of the drawings]

FIG. 1 is a side view of a grain culm conveying device.

FIG. 2 is a cross-sectional view of a rail support frame.

FIG. 3 is a cross-sectional view of a lubrication unit.

[Explanation of symbols]

 2 feed chain 3 pinching rail 4 support pin 5 rail support frame 9 lubrication groove 10 oil reservoir 12 lubrication pipe

Continuation of front page (58) Field surveyed (Int.Cl. ⁶ , DB name) A01D 69/12 A01F 12/10

Claims (1)

(57) [Scope of request for utility model registration] 1. A holding / conveying device comprising a feed chain (2) and a clamping rail (3) extending above the feeding chain (2) is provided at an angle outside the handling port, and each support pin (4) of the clamping rail (3) is connected to a rail support frame (5). The rail support frame 5 is formed in a box-shaped cross-section, and is passed through the support hole or its vicinity in the bottom plate. A lubrication groove 9 to be provided, an oil reservoir 10 also serving as a receiving portion of the ammunition is provided around the support hole, and an oil supply port is provided on a higher side of the rail support frame 5. Lubricating device for culm conveying device.