JP2008193908A - Dustproof structure of head-feeding type combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dustproof structure for effectively controlling penetration of straw waste into an engine room. <P>SOLUTION: In the dustproof structure of a head-feeding type combine harvester, having a constitution such that a grain culm conveying apparatus 14 for conveying reaped grain culms to a rear threshing apparatus 4 is arranged at the horizontal one side of the engine room 29; a nipping and conveying mechanism 16 for nipping and conveying the plant foot side of the reaped grain culms so that the reaped grain culms from the grain culm conveying apparatus 14 are conveyed, in such a way that the ear-tip side of the reaped grain culms is fed from a supply port 18 of the threshing apparatus 4 to a threshing chamber 19 and an ear tip guide 35 for guiding the ear-tip side of the reaped grain culms from the rear part of the grain culm conveying apparatus 14 to the supply port 18 are installed; a dustproof cover 38 for closing a gap S, formed between an engine cover 30 and the ear tip guide 35, is installed on the upper part of the engine cover 30 that forms the engine room 29. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention is arranged on the lateral side of the engine room with a cereal conveying device that conveys the chopped cereal toward a rear threshing device, and the tip side of the cereal cereal from the cereal conveying device is A holding and conveying mechanism for holding and conveying the stock source side so as to be supplied to the handling room from the supply port of the threshing device, and the tip side of the harvested cereal rice cake from the rear part of the cereal conveying device to the supply port The present invention relates to a dust-proof structure of a self-decomposing combine equipped with a tip guide.

  In the self-decomposing combine, it is generally performed to form an engine room at a position below the driver's seat in the boarding operation unit provided on the lateral side of the grain feeder (see, for example, Patent Document 1). .

  And, as a dustproof structure of the self-decomposing combine, a dustproof cover that covers the upper part of the cereal conveying path from the rear part of the cereal conveying apparatus to the supply port of the threshing apparatus is provided, and is generated from the harvested cereal culm being conveyed, etc. There is one configured to prevent dust from flying up toward a boarding operation unit provided on one side of the grain feeder (see, for example, Patent Document 2).

JP 2006-123598 A (paragraph number 0024, FIGS. 1 to 3) Japanese Patent Laid-Open No. 2002-58321 (paragraph number 0007, FIGS. 1 to 5)

  In the self-decomposing combine, the gap formed between the engine cover that forms the engine room and the tip guide that guides the tip side of the harvested cereal rice cake from the rear of the cereal carrying device to the supply port of the threshing device is closed. Since it is not configured in this manner, straw scraps and the like leaking from the supply port of the threshing device are likely to flow down from the gap toward the engine room. For this reason, in the cleaning work after the harvesting work, inconveniences such as troublesome removal of straw scraps and the like that have entered the engine room have occurred.

  An object of the present invention is to provide a dustproof structure capable of effectively suppressing the entry of straw scraps into the engine room.

  In order to achieve the above object, in the invention according to claim 1 of the present invention, a corn straw transporting device for transporting a harvested corn straw toward a rear threshing device is provided on one lateral side of the engine room. A squeezed transport mechanism for transporting the harvested cereal from the cereal transporting device while sandwiching the stock source side so that the tip side is supplied from the supply port of the threshing device to the handling chamber; In a dustproof structure of a self-decomposing combine equipped with a tip guide for guiding the tip side of the harvested cereal rice cake from the rear part to the supply port from the rear part of the straw transporting device, the engine is formed above the engine cover forming the engine room. A dustproof cover for closing a gap formed between the cover and the tip guide is provided.

  According to this characteristic configuration, the dust-proof cover can prevent straw scraps and the like leaking from the supply port of the threshing device from flowing down from the gap toward the engine room.

  Therefore, entry of straw scraps into the engine room can be effectively suppressed, and labor required for removing straw scraps that have entered the engine room can be reduced in the cleaning operation after the harvesting operation.

  The invention according to claim 2 of the present invention is characterized in that, in the invention according to claim 1, the dust-proof cover is made of a flexible material.

  According to this characteristic configuration, the dust cover is not formed into a shape having a high degree of close contact with the engine cover and the tip guide, and the engine cover and the tip guide are in close contact with the shape of the engine cover and the tip guide. It is possible to reliably close the gap formed between the two.

  Therefore, it is possible to effectively suppress the entry of straw scraps into the engine room without requiring high machining accuracy and assembly accuracy, and as a result, the straw that has entered the engine room while facilitating production and assembly. It is possible to reduce the time and effort required to remove debris.

  The invention according to claim 3 of the present invention is characterized in that, in the invention according to claim 1 or 2, the dustproof cover is made of a transparent material.

  According to this characteristic configuration, it is possible to easily grasp the state of entry of straw scraps into the engine room through the dust cover.

  Therefore, removal of straw scraps and the like entering the engine room can be performed in a timely manner while effectively suppressing the entry of straw scraps and the like into the engine room.

  FIG. 1 shows the entire side surface of the self-decomposing combine, and FIG. 2 shows the front half of the plane. The combine is composed of a body frame 1 and a body frame formed into a frame shape by a square pipe material or the like. A pair of left and right crawler type traveling devices 2 installed in the lower part of 1, a cutting and conveying unit 3 connected to the left front portion of the body frame 1 so as to be able to move up and down, and a threshing device 4 mounted on the left half of the body frame 1 , A bagging device 5 mounted on the right rear portion of the fuselage frame 1, a boarding operation unit 6 formed on the right front portion of the fuselage frame 1, and an engine 7 mounted on the right front portion of the fuselage frame 1. ing.

  The left and right crawler type traveling devices 2 are driven by power transmitted from the engine 7 via a main transmission (not shown), an auxiliary transmission (not shown), and the like, and are provided with a main transmission provided in the boarding operation unit 6. The speed is changed based on the operation of the lever 8 and the auxiliary transmission lever 9, and in the drive state, based on the horizontal swing operation of the cross-return type neutral return type control lever 10 provided in the boarding operation unit 6. These are switched between a straight traveling state in which they are driven at a constant speed and a turning traveling state in which they are differentially driven.

  The cutting and conveying unit 3 is transmitted with power from the engine 7 via a main transmission, a cutting clutch (not shown), and the like, and in its operating state, a plurality of dividers 11 provided at the front end as the machine body travels. Planted cereals to be harvested and planted in line with each row, and caused the cultivated cereals that have been lined up to a predetermined cutting posture by a plurality of pulling devices 12, The clipper type mowing device 13 cuts the original side, and the threshing of the chopped cereal that is the planted cereal after cutting is performed while the culm transporting device 14 changes the posture from the standing posture for cutting to the sideways posture for threshing. It is configured to convey toward the apparatus 4.

  Further, based on the swinging operation of the control lever 10 in the front-rear direction, the hydraulic lift cylinder 15 installed over the body frame 1 and the cutting and conveying section 3 is extended and retracted to move up and down around the left and right fulcrum P. Swing.

  In the threshing device 4, power from the engine 7 is transmitted via a threshing clutch (not shown) or the like, and in its operating state, the sandwiching and transporting mechanism 16 provided on the left side is the harvested cereal from the culm transporting device 14. While receiving the cocoon, the tip side of the chopped cereal is sandwiched and conveyed so that the tip side is supplied from the supply port 18 formed in the front wall 17 of the threshing device 4 to the handling chamber 19, and is transferred to the threshing device 4. The built-in handling cylinder 20 performs threshing processing on the tip side of the harvested cereal meal supplied to the handling chamber 19, and leaks the processed material obtained from the threshing processing from a receiving net (not shown). The processed product is subjected to sieving selection using a rocking sorting mechanism (not shown) or wind sorting using a sorting wind from tang (not shown), and the processed product is converted into a single grain Grain, mixture with branches and branches as branch # 2, and # 3 Such as the screened off straw and straw waste, and a single granulated grains recovered and to supply the bagging apparatus 5.

  The boarding operation unit 6 lays a boarding step 21 on the front right side of the body frame 1, a front panel 22 including a control lever 10 and the like is erected on the front side of the boarding step 21, and on the left side of the boarding step 21. A side panel 23 provided with the speed change lever 8, the auxiliary speed change lever 9, and the like is erected, and a support base 25 that supports the driver's seat 24 is provided on the rear side of the boarding step 21.

  As shown in FIGS. 2 to 4, the support base 25 is substantially U-shaped in a side view with the opening portion facing downward, and a right side wall 27 having a dust removal net 26 and the like is continuously provided at the right end portion thereof. The side plate 23 is continuously provided at the left end portion thereof, thereby functioning as an engine cover 30 that forms an engine room 29 in which the engine 7, the radiator 28, and the like are provided.

  In the engine 7, an output pulley 31 provided on the left side of the engine 7 protrudes from the opening 32 formed on the left side of the engine cover 30 to the grain conveying device 14 side. It is comprised so that it may transmit via the transmission belts 33 and 34 corresponding to a threshing apparatus.

  Between the cereal conveying device 14 and the threshing device 4, the tip side of the harvested cereal cocoon conveyed while being held by the holding conveyance mechanism 16 is received, and the threshing is performed from the rear part of the cereal conveying device 14. A tip guide 35 for guiding the supply port 18 of the apparatus 4 is provided. The tip guide 35 is forwardly forwarded from the rubber first guide 36 connected to the cereal carrying device 14 so as to extend rearward from the rear part of the cereal carrying device 14 and the front wall 17 of the threshing device 4. The second guide 37 made of sheet metal mounted on the front wall 17 so as to extend toward the front wall 17 is superposed so that the first guide 36 is received and supported by the second guide 37, thereby cutting and conveying. It is configured to smoothly guide the tip side of the harvested cereal rice cake while allowing the part 3 to move up and down.

  As shown in FIGS. 1 to 4, the supply port of the threshing device 4 is arranged at the upper left part of the engine cover 30 by closing a gap S formed between the side panel 23 and the tip guide 35 during the threshing process. A dust-proof cover 38 is provided to prevent dust such as straw scraps leaking from 18 from flowing downward from the gap S.

  The dust-proof cover 38 is made of a sheet metal that is bent and formed into an L-shape in front view that is extended from the upper left part of the engine cover 30 toward the tip guide 35 by being bolted to the upper part of the side panel 23. The first cover 39 and a second cover 40 made of a transparent resin sheet having flexibility and extending from the first cover 39 to the tip guide 35 are configured.

  As for the 2nd cover 40, the adjoining location 40A with the threshing device 4 in the extension end is fixed to the vertical wall 17, and the overlap location 40B with the tip guide 35 in the extension end is the first guide 36. By being inserted between the second guide 37 and being sandwiched, the cutting and conveying unit 3 is configured to maintain a state extending between the first cover 39 and the tip guide 35 while allowing the cutting and conveying unit 3 to swing up and down.

  That is, by providing the dust-proof cover 38 as described above, dust such as straw waste that has leaked from the supply port 18 of the threshing device 4 flows down from the gap S between the side panel 23 and the tip guide 35, and the engine It effectively suppresses the occurrence of entering the room 29 or adhering to the transmission system from the engine 7 to the main transmission and the threshing device 4 and the operation system from the main transmission lever 8 to the main transmission. be able to.

  As a result, in the cleaning work after the harvesting work, it is possible to reduce the effort required to remove the straw waste that has entered the engine room 29 or the straw waste that has adhered to the transmission system and the operation system.

  Further, in the dust cover 38, the second cover 40 joined to the tip guide 35 is made of a flexible resin sheet, so that the dust cover 38 is formed in a shape having a high degree of closeness to the tip guide 35. Therefore, it can be joined to the tip guide 35 in a state of high closeness matching the shape of the tip guide 35, and this makes it possible to connect the engine cover 30 and the tip guide 35 without requiring high processing accuracy and assembly accuracy. The gap S formed therebetween can be reliably closed.

  In addition, since the second cover 40 is transparent, the second cover 40 can be used to show the state of entry of straw scraps and the like into the engine room 29 and the state of adhesion of straw scraps to the transmission system and operation system. It is possible to easily grasp and remove the scraps that have entered the engine room 29 or the scraps adhering to the transmission system or the operation system.

  On the upper side of the side panel 23, a soundproof wall 41 is provided so as to extend upward from the side panel 23, and the upper end of the soundproof wall 41 is formed in a left-tilt posture in which the upper side is located closer to the cereal conveyance device 14. Has been. Thereby, it is possible to effectively suppress the engine sound leaking from the opening 32 of the engine cover 30 and the noise such as the operating sound of the cutting and conveying unit 3 and the threshing device 4 from reaching the boarding operation unit 6. It is possible to improve the comfort of the boarding operation unit 6.

    [Another embodiment]

[1] The dust-proof cover 38 may be composed only of a sheet metal material or a resin material formed so as to extend over the upper portion of the side panel 23 and the tip guide 35, and extends over the upper portion of the side panel 23 and the tip guide 35. You may comprise only the resin sheet which has flexibility.

[2] The dust cover 38 may be configured to be transparent as a whole, or may be configured to be partially or partially translucent, and further, may be opaque as a whole. You may comprise as follows.

Overall side view of self-removing combine Plan view of the front half of the self-decomposing combine Longitudinal front view of essential parts showing dustproof structure Perspective view of essential parts showing dustproof structure

Explanation of symbols

4 Threshing device 14 Grain conveying device 16 Nipping and conveying mechanism 18 Supply port 19 Handling chamber 29 Engine room 30 Engine cover 35 Tip guide 38 Dust-proof cover S Gap

Claims (3)

On the lateral side of the engine room, a grain culm transporting device that transports the harvested cereal straw toward the rear threshing device is deployed,
A clamping and conveying mechanism that clamps and conveys the harvested cereal from the cereal conveying device so that the tip side is supplied from the supply port of the threshing device to the handling chamber;
A dustproof structure of a self-decomposing combine equipped with a tip guide that guides the tip side of the harvested cereal rice cake over the supply port from the rear of the cereal carrying device,
A dustproof structure for a self-decomposing combine, wherein a dustproof cover for closing a gap formed between the engine cover and the tip guide is provided on an upper part of an engine cover forming the engine room.   The dust-proof structure for a self-decomposing combine according to claim 1, wherein the dust-proof cover is made of a flexible material.   The dustproof structure for a self-decomposing combine according to claim 1 or 2, wherein the dustproof cover is made of a transparent material.

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