JP2011155882A - Cover mounting structure of head-feeding combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To simplify a constitution in a cover mounting structure by reasonably improving the cover mounting structure and to reduce costs. <P>SOLUTION: The cover mounting structure of head-feeding combine harvester includes a constitution that side covers 38 are attached to both right and left side end parts of a reaping conveying part 4, an upper cover 39 formed so as to cover the upper end parts of a plurality of raising apparatuses 12 that are horizontally long along the right and left side covers 38 and arranged at the right and left is disposed on the upper part of the reaping conveying part 4, the right and left side covers 38 are equipped with flanges 38A for covering the outer surfaces the right and left end edge parts 39a in the upper coverer 39, supporters 45 for receiving the right and left end edge parts 39a of the upper cover 39 from below and supporting the parts are stood on right and left mounting members 44 for the side covers, extending from a support frame 21 for supporting the raising apparatuses 12 toward the side covers 38 and the right and left end edge parts 39a of the upper cover 39 are nipped in the vertical direction by the supporters 45 and the flanges 38A to fix the upper cover 39. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention is such that a side cover is attached to both left and right end portions of a cutting and conveying unit arranged with a plurality of pulling devices arranged in the left-right direction, and is formed so as to cover the upper end portions of the plurality of pulling devices in a horizontally extending manner across the left and right side covers. The present invention relates to a cover mounting structure for a self-removable combiner in which the upper cover is disposed at the upper part of the cutting and conveying unit.

  As a cover mounting structure for the self-removing combine as described above, for example, a pin-shaped receiving material is fixed to the upper part of the left and right side grain raising bodies (corresponding to the raising device) in a left-right orientation, An engaging body made of an elastic plate that holds the material is fixed to the lower surfaces of the left and right sides of the upper cover (corresponding to the upper cover), and the corresponding receiving material is held by the engaging members of the upper cover so A top cover is attached, and the tops of the left and right ends of the top cover are configured to superimpose the upper parts of left and right side covers (corresponding to side covers) attached to the left and right side parts of the cutting and conveying part (for example, Patent Document 1).

Japanese Utility Model Publication No. 62-204442

  In the above configuration, the upper cover is attached by engaging the pin-shaped receiving material fixed to the upper parts of the left and right grain raising bodies and the clamping engagement bodies fixed to the lower surfaces of the left and right sides of the upper cover. Therefore, the number of parts required for attaching the upper cover is increased, and there is room for improvement in simplifying the configuration of the cover attaching structure and reducing the cost.

  An object of the present invention is to simplify the configuration of the cover mounting structure and reduce the cost by making a reasonable improvement to the cover mounting structure.

In the first problem-solving means of the present invention, a side cover is attached to both left and right end portions of a cutting and transporting unit in which a plurality of pulling devices are arranged in the left-right direction, and the plurality of pulling devices are horizontally extended across the left and right side covers. In the cover mounting structure of the self-removable combiner in which the upper cover formed so as to cover the upper end portion is arranged on the upper part of the cutting and conveying unit
Forming flanges that cover the outer surfaces of the left and right edge portions of the upper cover on the left and right side covers,
On the left and right attachment members for attaching the side cover extending from the support frame that supports the pulling device toward the side cover, a support for receiving and supporting the left and right edge portions of the upper cover from below is provided. And
The upper cover is fixed by sandwiching the left and right edge portions of the upper cover from above and below by the support and the flange.

  According to this problem solving means, the upper cover is placed on the left and right supports so that the left and right edge portions are received and supported from below by the left and right support members standing on the left and right mounting members, and then By attaching the left and right side covers to the left and right mounting members so that their flanges cover the outer surfaces of the left and right edge portions of the upper cover, the left and right edge portions of the upper cover are sandwiched between the support and the flange. The upper cover can be fixed to the upper part of the cutting and conveying unit in a state of covering the upper ends of the plurality of pulling devices.

  That is, the upper cover that covers the upper ends of a plurality of pulling devices is formed by a simple configuration in which flanges are formed on the left and right side covers and the support is erected on the left and right mounting members for attaching the side covers. Can be fixedly installed on the upper portion of the cover, simplifying the configuration required for attaching the upper cover and reducing the cost.

In the second problem solving means of the present invention, in the first problem solving means,
The upper cover is made of a sheet metal material whose upper end is curved in a substantially inverted U shape in a side view,
The support is made of a round steel bar bent in an inverted L shape with a left and right support portion, and the top portion of the upper end portion of the left and right edge portions of the upper cover at the support portion. Is received and supported from below.

  According to this problem solving means, the upper cover is made of a sheet metal material whose upper end is bent in a substantially inverted U shape in a side view, thereby improving the strength and shape retention of the horizontally long upper cover across the left and right side covers. be able to. Moreover, the upper cover which becomes comparatively heavy by this can be firmly supported by the left and right support portions made of round steel bars.

  Moreover, when attaching the upper cover to the upper part of the cutting and conveying unit, the left and right support members are supported so that the apex portion of the upper end portion is received and supported from below by the left and right support portions of the left and right support members. As a result, the apex portion of the upper cover can be positioned in the front-rear direction, and the upper cover can be stably supported by the left-right support portion having a long support area with respect to the upper cover. Thereby, it is possible to attach the upper cover to the upper portion of the cutting and conveying unit with high stability while simplifying the attachment of the upper cover.

In the third problem solving means of the present invention, in the first or second problem solving means,
The left and right side covers are formed of a resin molded product integrally formed with the flange, and a plurality of protrusions protruding leftward and rightward from the inner side toward the inside of the cutting and conveying unit,
As the left and right side covers are attached to the left and right end portions of the cutting and conveying unit from the left and right outer sides of the cutting and conveying unit, the plurality of protrusions are below the support position of the support on the upper cover. The plurality of protrusions are arranged at the front and rear positions of the left and right side covers with respect to the support so as to guide the front and rear inner surfaces located on the side and to position the upper cover in the front and rear direction.

  According to this problem solving means, when the left and right side covers are attached to the left and right side ends of the cutting and conveying unit from the left and right outer sides of the cutting and conveying unit, the plurality of protrusions integrally formed on the left and right side covers are Since the upper cover is positioned in the front-rear direction with respect to the cover, the upper cover is positioned in an appropriate position with respect to the cutting and conveying unit and the left and right side covers without incurring the complexity of the configuration required for mounting the upper cover. Easy and reliable installation.

  In addition, each protrusion guides the front and rear inner surfaces located below the support position of the support tool, so that the weight of the upper cover is applied to the support tool, and the weight of the upper cover is applied to each protrusion. Since it does not hang, the damage of each protrusion resulting from the weight of the upper cover being applied to each protrusion can be prevented.

In the fourth problem solving means of the present invention, in any one of the first to third problem solving means,
The support frame is provided with a plurality of support bases for supporting the cushion rubber that is contacted when the pulling claw of the pulling device is caused to move from the path to the return path, corresponding to the plurality of pulling apparatuses,
The attachment member and the cushion rubber are attached to the support bases disposed at the left and right ends of the cutting and conveying part by joint fastening.

  According to this problem solving means, since the support frame for supporting the cushion rubber is used for mounting the mounting member, there is no need to provide the support frame with a dedicated member for mounting the mounting member. Further simplification of the configuration required for attaching the upper cover and cost reduction can be further achieved.

In a fifth problem solving means of the present invention, in any one of the first to fourth problem solving means,
The attachment member is provided with a work light attachment portion that enables attachment of the work light, and the side cover and the work light are attached to the work light attachment portion by joint fastening.

  According to this problem solving means, it is not necessary to separately provide a mounting member for mounting the side cover and a mounting member for mounting the work lamp on the support frame, so that the work lamp can be mounted together with the left and right side covers and the upper cover. Simplification of the configuration required for reducing the cost.

In a sixth problem solving means of the present invention, in any one of the first to fifth problem solving means,
The attachment member is provided with a side mirror attachment portion that enables attachment of a side mirror, and the side cover and the side mirror are attached to the side mirror attachment portion by joint fastening connection.

  According to this problem solving means, it is not necessary to separately provide a mounting member for mounting the side cover and a mounting member for mounting the side mirror on the support frame, so that the mounting of the side mirror is performed together with the mounting of the left and right side covers and the upper cover. Simplification of the configuration required for reducing the cost.

In a seventh problem solving means of the present invention, in any one of the first to sixth problem solving means,
A lower end portion of a vertical support plate is welded to left and right end portions of the left and right end portions of the cutting and conveying portion of the left and right connection plate connected to the support frame to form an L shape, and the connection plate and A first mounting plate for attaching a side cover is welded to one left and right end located on the left and right end sides of the cutting and conveying section of the support plate, and the first mounting plate for attaching a side cover is positioned on the left and right end sides of the cutting and conveying section on the upper end portion of the supporting plate. A second mounting plate for attaching a side cover is welded to one end of the left and right sides to constitute the mounting member, and the support is welded to the second mounting plate.

  According to this problem solving means, since the upper and lower portions of the side cover are attached to the attachment member, the side cover can be firmly attached to the attachment member with good stability. Moreover, the extension length to the upper direction of a support tool can be shortened by welding a support tool to the 2nd mounting plate located in the upper part of a mounting member.

  Then, the attachment member is firmly constructed by a welding structure, and the support member is welded to the second attachment plate of the attachment member, whereby the connection position of the attachment member in the support frame, the attachment position of the side cover in the attachment member, and the support member The positional relationship with the support position of the upper cover can be made constant. As a result, the left and right edge portions of the upper cover are received and supported by the left and right supports, and then the left and right side edge portions of the upper cover are attached to the left and right attachment members. The holding by the support and the flanges of the left and right side covers can be easily and reliably performed. As a result, the left and right side covers and the upper cover can be easily attached.

In an eighth problem-solving means of the present invention, in any one of the first to seventh problem-solving means,
The attachment member is provided with an attachment portion that enables attachment of a fixing tool for wiring fixation.

  According to this problem solving means, it is easy to route the wiring with respect to a work lamp or the like equipped in the cutting and conveying section, and the work lamp or the like can be efficiently attached.

It is a whole side view of a self-desorption combine. It is a front view of a cutting and conveying part. It is a left view which shows the structure of the principal part of a cutting and conveying part. It is a right view which shows the structure of the principal part of a cutting and conveying part. It is a vertical left view of the principal part which shows the structure of a cutting conveyance part. It is a top view of the principal part which shows the structure of a cutting conveyance part. It is a vertical front view of the upper left part of the cutting conveyance part which shows a cover attachment structure. It is a vertical front view of the upper right part of the cutting conveyance part which shows a cover attachment structure. It is a vertical right side view of the upper part of the cutting conveyance part which shows a cover attachment structure. It is a left view which shows the structure of the upper left part of a cutting conveyance part. It is a perspective view which shows the structure of an attachment member.

  Hereinafter, as an example of a mode for carrying out the present invention, an embodiment in which a cover mounting structure for a self-removing combine according to the present invention is applied to a self-removing combine having a four-row cutting specification will be described with reference to the drawings.

  As shown in FIG. 1, the self-removing combine combines a plurality of steel materials such as a square pipe material to form a vehicle body frame 1, and a boarding operation unit 2 is formed in a right region of the front portion of the vehicle body frame 1. is there. A pair of left and right crawler type traveling devices 3 are provided at the lower part of the body frame 1. At the front end on the left side of the vehicle body frame 1, the cutting and conveying unit 4 that harvests and conveys crop grains such as paddy rice and wheat that are located in front of the vehicle body during operation traveling is swung up and down around the axis P in the horizontal direction. It is connected as possible. The left half of the vehicle body frame 1 receives the harvested corn straw (hereinafter referred to as the harvested corn straw) conveyed by the cutting and conveying section 4 and conveys it backward to the grain portion on the tip side of the harvested corn straw. A threshing device 5 is provided which performs a threshing process and performs a sorting process on a processed product obtained by the threshing process. The rear part of the threshing device 5 is connected to a waste straw shredding device 6 that enables shredding and discharging of the waste straw that is the harvested cereal meal after the threshing process. On the right rear part of the vehicle body frame 1, a grain tank 8 for storing single-grained grains carried out from the threshing device 5 by the lifting screw 7 is mounted. The grain tank 8 is equipped with a screw conveying type grain discharging device 9 that enables the stored single-grained grains to be carried out of the vehicle.

  As shown in FIGS. 1 to 4, the cutting and transporting unit 4 has a rearward end portion of the cutting and transporting frame 10 configured to incorporate a transmission system for cutting and transporting, and a left and right front end portion of the body frame 1. It is connected around the center P so that it can swing up and down. At the front end of the cutting and conveying frame 10, five dividers 11 are arranged at a predetermined interval in the left-right direction for scooping up and cutting the uncut grain culm located in front of the vehicle body during traveling during work. At the rear portion of the divider 11 in the cutting and conveying frame 10, four pulling devices 12 that cause the uncut rice cake that has been scooped up by each divider 11 are arranged side by side in the left-right direction. Moreover, the clipper type cutting device 13 which cuts the stock side of the uncut grain culm caused by each pulling device 12 and the cut wheat cereal at the left and right center side at the rear portion of the pulling device 12 in the cutting and conveying frame 10 A scraping and transporting device (not shown) for scraping is deployed, and the threshing in the rear is performed while changing the posture of the harvested cereal rice cake that has been scraped to the left and right center side from the standing posture to the right-tilt posture at the rear portion of the scraping and transporting device. A supply conveyance device 14 that conveys toward the device 5 is provided.

  As shown in FIG. 1, a waist folding link 15 is installed to be able to bend and stretch over the body frame 1 and the cutting and conveying frame 10, and a hydraulic lifting cylinder 16 is installed over the body frame 1 and the waist folding link 15. With this configuration, the cutting and conveying unit 4 can be driven up and down around the axis P in the left and right direction so that the cutting height can be adjusted over the working height position and the non-working height position by the operation of the lifting cylinder 16.

  As shown in FIGS. 1 and 3 to 8, in the cutting and conveying frame 10, a left and right swing fulcrum member 17 that forms the swing fulcrum portion is supported on the vehicle body frame 1 so as to be relatively rotatable. The swing fulcrum member 17 is connected to a front / rear facing member 18 extending forward from the right end portion thereof, and the front / rear facing member 18 is substantially connected to the left and right ends of the vehicle body from the extended end (front end). A left-right member 19 extending left and right is connected so as to extend. Further, a first support frame 20 that supports the divider 11 and the cutting device 13 and the like is connected to the left-right member 19 so as to extend forward from the left-right member 19, and the pulling device 12 and the scraping and conveying device. The 2nd support frame 21 which supports etc. is erected.

  The first support frame 20 is configured by connecting five front and rear divider support rods 22 that support the corresponding dividers 11 with left and right support members 23 that support the cutting device 13. And the raising lower support member 24 which supports the lower part of the corresponding raising apparatus 12 is welded to the divider supporting rod 22 of right and left ends, and the divider supporting rod 22 of the center of right and left. The second support frame 21 is connected to the upper end portion of the column member 25 erected in a forward inclined posture at the left end portion of the left and right facing member 19, and the left and right facing member 26 extending rightward from the upper end portion. An extension end of a front / rear facing member 27 extending in an arch shape from the right end portion of the swing fulcrum member 17 is connected to the left / right central portion of the left / right direction member 26. And the four raising upper part support members 28 which support the upper part of each raising device 12 are connected with the left-right direction member 26 in the hanging posture.

  The swing fulcrum member 17, the front and rear facing member 18, the left and right facing member 19, and the second support frame 21 are formed in a hollow shape and communicated with each other in order to equip them with a transmission system for harvesting and conveying. It is. Further, the support member 25 of the second support frame 21 is provided with a shift case 25A for raising and shifting.

  As shown in FIGS. 2 to 8, in each pulling device 12, the pulling frame 29 made of sheet metal is supported by the pulling lower support member 24 and the pulling upper support member 28. Then, the drive sprocket 30 and the tension sprocket 31 are disposed on the upper part of the pulling frame 29, the guide roller 32 is disposed on the lower part of the pulling frame 29, and the endless rotating chain 33 is wound around the sprockets 30, 31 and the guide roller 32. It is hung. The endless rotating chain 33 is equipped with a plurality of raising claws 34 so that the posture can be changed at regular intervals. In the raising area, each of the raising claws 34 is guided by a guided portion 34A formed on the base end side thereof being slidably contacted with a guide rail (not shown) provided on the guide roller 32 and the raising frame 29. Then, the pulling action part 34B on the free end side extends toward the outside of the pulling device 12 and maintains the cause posture that acts on the uncut grain culm. The upper portions of the pulling devices 12 are retracted along the endless rotation chain 33 by contact with the pulling claws 34 when the pulling claws 34 are caused to move from the path to the return path. A cushion rubber 35 that holds the posture is provided. The cushion rubber 35 is bolted to a left-right support base 36 welded to each pulling upper support member 28. The support base 36 is provided with two through holes (not shown) for connecting bolts, and two nuts (not shown) are welded. A pulling cover 37 that covers the driving sprocket 30, the tension sprocket 31, the guide roller 32, the endless rotating chain 33, the cushion rubber 35, and the like from the front side is connected to the pulling frame 29 by bolts.

  As shown in FIGS. 1 to 10, the left and right end portions of the cutting and conveying unit 4 have substantially the entire area of a substantially triangular space surrounded by the pulling device 12, the divider support rod 22 and the support member 25 in a side view. A side cover 38 made of a resin molded product formed so as to be covered is attached. An upper cover 39 made of a sheet metal material that is formed horizontally across the left and right side covers 38 is provided on the upper portion of the cutting and conveying unit 4 so as to cover the upper end portions of the pulling devices 12 together with the left and right direction members 26.

  The left and right side covers 38 are mounted at their lower sides from a mounting bracket 40 erected on the divider support rods 22 at the left and right ends, a mounting bracket 41 extending from the column member 25 or a divider support rod 22 at the right end. The brackets 42 and the mounting brackets 43 extending from the left and right pull-up frames 29 are joined by bolts from the left and right outer sides, and their upper ends are connected to the left and right sides of the second support frame 21. It is attached to the left and right attachment members 44 for attaching the side cover extending toward the side cover 38 by joining them from the left and right outer sides and bolting them.

  The left and right side covers 38 are integrally formed with flanges 38 </ b> A extending from their outer edges toward the inside of the cutting and conveying unit 4 in the left-right direction over the entire circumference. The upper end portions of the flanges 38A are formed so as to be used as a covering portion 38a that covers the outer surfaces of the left and right end edge portions 39a of the upper cover 39.

  The upper cover 39 covers the left-right member 26 and the like from the front, and the lower edge portion 39b is curved in a substantially inverted U shape in a side view, with a front wall portion 39A overlapping from the front to the upper end of each pull-up cover 37. The upper and lower ends 39 </ b> B that cover the upper part of each pulling device 12 together with the left-right member 26 are formed in a substantially inverted J shape in a side view. The left and right edge portions 39a of the upper end portion 39B are received and supported from below by a support 45 provided upright on the left and right attachment members 44.

  Each support tool 45 is composed of a round bar steel material bent and formed in an inverted L shape having support portions 45A facing left and right. And it arrange | positions so that the vertex part a of the left-right edge part 39a in the upper end part 39B of the upper cover 39 may be received and supported by those support parts 45A from the downward direction.

  In the above configuration, when the left and right side covers 38 and the upper cover 39 are attached to the cutting and conveying section 4, the upper cover 39 is attached to the left and right support portions so that the apex portion a of the left and right edge portions 39a of the upper end portion 39B is left and right. Positioning the apex part a in the upper cover 39 in the front-rear direction by placing it on the left and right supports 45 so as to be received and supported from below by the left-right support 45A in 45. In this state, the left and right side covers 38 are attached to the left and right end portions of the cutting and conveying section 4 so as to cover the outer surfaces of the left and right end edge portions 39a of the upper cover 39 with the covering portions 38a of the flanges 38A. Accordingly, the upper cover 3 includes the support portions 45A of the left and right support tools 45 and the covering portions 38a of the flanges 38A of the left and right side covers. The upper cover 39 is simply and stably fixed at a predetermined position of the cutting and conveying unit 4 by sandwiching the left and right edge portions 39a from above and below and sandwiching the upper cover 39 from the left and right by the left and right side covers 38. In addition, the upper part of each pulling device 12 can be covered with the upper cover 39 together with the left-right member 26 and the like.

  The left and right side covers 38 are formed such that the upper ends of the flanges 38A are curved with a smaller radius of curvature than the upper end portion 39B of the upper cover 39 in a side view. Further, at the upper end portions of the left and right side covers 38, three protrusions 38B having a cross-shaped cross section projecting leftward and rightward from the inner side surface toward the inside of the cutting and conveying unit 4 so as to be close to the inner surface of the flange 38A. Are integrally formed. Of the three protrusions 38B, the two protrusions 38B formed at the upper ends of the left and right side covers 38 are attached to the cutting tool transporting unit 4 when the left and right side covers 38 are attached. By guiding and acting on the inner surface of the bottom portion 39c of the upper end 39B which is positioned in the front and back and curves in a substantially inverted U shape in the upper cover 39, the upper cover 39 in the front-rear direction with respect to the upper ends of the left and right side covers 38 is provided. It is configured to perform positioning. The protrusions 38B formed on the lower side of the upper ends of the left and right side covers 38 are formed on the inner surface of the front wall 39A of the upper cover 39 when the left and right side covers 38 are attached to the cutting and conveying unit 4. The front wall portion 39A is guided between the flange 38A and is positioned at the front end portion of the upper end portion of the side cover 38 by guiding action. At the front lower part of the upper end part of the left and right side covers 38, a step part 38 </ b> C is formed that acts on the lower edge of the front wall part 39 </ b> A of the upper cover 39.

  From the above configuration, when the left and right side covers 38 and the upper cover 39 are attached to the cutting and conveying unit 4, the upper cover 39 can be more accurately positioned with respect to the cutting and conveying unit 4 and the left and right side covers 38. The left and right side covers 38 and the upper cover 39 can be more easily attached to the cutting and conveying unit 4. Since the upper cover 39 is received and supported from below by the left and right support members 45 as described above, it is possible to prevent damage to the protrusions 38B due to the weight of the upper cover 39 acting on the protrusions 38B. it can.

  Further, by forming the left and right side covers 38 with a resin molded product in which the flange 38A and the three protrusions 38B are integrally formed, each protrusion 38B is formed in a tapered shape due to a draft angle. Thereby, positioning guidance of the upper cover 39 by each protrusion 38B can be performed more suitably.

  The left and right side covers 38 have a front portion 38D that covers the laterally outer portion of the pulling device 12 positioned at both left and right ends, and is formed in a flat surface shape along the laterally outer portion of the pulling device 12 over the entire vertical length. In addition, a rear portion 38E extending rearward from the front portion 38D is formed so as to project outward from the front portion 38D to the left and right outer sides of the cutting and conveying unit 4.

  As shown in FIGS. 7 to 9 and FIG. 11, the left and right attachment members 44 are provided with left and right connecting plates 44 </ b> A that are connected to the support bases 36 positioned at both left and right ends of the second support frame 21 together with the cushion rubber 35. And a lower end portion of the support plate 44B facing up and down is welded to the end portion on the side cover side of the connecting plate 44A (the left and right end portions located on the left and right end sides of the cutting and conveying portion 4) to form an L shape in front view. The first attachment plate 44C for attaching the side cover is attached to the side end of the connecting plate 44A and the support plate 44B on the side cover side (the left and right side ends located on the left and right end sides of the cutting and conveying section 4). Weld in a posture facing outward, and weld a second mounting plate 44D for mounting the side cover upper end to the lateral end on the side cover side at the upper end of the support plate 44B in a posture in which the mounting surface faces left and right outwards. The first mounting plate 4 By welding the third mounting plate 44E for wiring fixing member attached to the C rear end of it is constituted. And the support tool 45 is welded so that it may extend toward upper direction to 2nd attachment plate 44D located in the upper part of the attachment member 44 on either side.

  The connecting plate 44A has two through holes 44a for connecting bolts. The first mounting plate 44C is provided with two through holes 44b that allow the side cover 38 and the connection stay 46A provided in the work lamp 46 to be fastened together, and welded with two nuts 44F. One mounting plate 44C is configured to serve as both a side cover mounting portion and a work lamp mounting portion. The second mounting plate 44D is provided with two through holes 44c that enable the side cover 38 and the connection flange 47A provided at the arm base end of the side mirror 47 to be fastened together, and two nuts 44G are provided. By welding, the second mounting plate 44D is configured to serve both as a side cover mounting portion and a side mirror mounting portion. The third attachment plate 44E is provided with a through hole 44d that allows attachment of a fixture (not shown) for fixing a wiring (not shown) to the work lamp 46 and the like, and an attachment portion for the fixture is provided. It is formed.

  Then, the side cover 38 and the work lamp 46 are attached to the first attachment plates 44C of the left and right attachment members 44 by joint fastening using two through holes 44b and nuts 47F. The upper end of the side cover 38 and the side mirror 47 are attached to the second attachment plate 44D of the left attachment member 44 by joint fastening using two through holes 44c and nuts 47G. The upper end of the side cover 38 is attached to the second attachment plate 44D of the right attachment member 44 by bolt connection using one through hole 44c and a nut 47G.

  That is, the left and right attachment members 44 are provided with a second attachment plate 44D for attaching the upper end portion of the side cover 38, and the second attachment plate 44D receives and supports the left and right edge portions 39a of the upper cover 39 from below. By erecting 45, the upper end of the side cover 38 can be fixed, and the support tool 45 can be formed in a simple shape with a short extension length. The support structure of the upper cover 39 can be simplified while tightening the attachment. In addition, by mounting the support 45 on the second mounting plate 44D, the mounting position of the upper end portion of the side cover 38 provided with the covering portion 38a covering the end edge portion 39a of the upper cover 39, and the upper cover by the support 45 39 can be easily and accurately determined, whereby the cover portion 38a of the side cover 38 and the support portion 45A of the support tool 45 can be easily and accurately fixed at a predetermined position. Can be done.

  Since the left and right mounting members 44 are jointly fastened together with the cushion rubber 35 to the cushion rubber support bases 36 located at the left and right ends of the second support frame 21, it is necessary to equip the connecting members dedicated to the mounting members. In addition, since the work lamp 46 and the left and right side covers 38 are jointly connected to the first mounting plates 44C of the left and right mounting members 44, a side cover dedicated mounting member and a work lamp dedicated mounting member are provided. There is no need to equip them individually, and since the side mirror 47 and the left side cover 38 are jointly connected to the second mounting plate 44D of the left mounting member 44, the side cover dedicated mounting member and the side mirror dedicated It is not necessary to equip each of the mounting members separately, so that the left and right side covers 38, the left and right work lights 46, and the side covers 38 can be removed. It is possible to reduce the number of parts required for the only, it is possible to reduce the simplification and cost structure for these mounting.

  Further, by providing the mounting member 44 that is also used for mounting the work lamp 46 with the third mounting plate 44E for mounting the wiring fixing member, it becomes easier to route the wiring with respect to the work lamp 46. Can be performed efficiently.

  In addition, the code | symbol 48 shown in FIGS. 1-4 is the direction indicator light attached to the left and right side covers 38.

  As shown in FIG. 1 and FIGS. 3 to 6, the left operation panel 49 erected at the left end portion of the boarding operation unit 2 is supplied to the upper portion of the front and rear facing member 27 in the harvesting conveyance frame 10 and supplied by the harvesting conveyance unit 4. A cutting and transporting cover 51 is mounted between the head guide plate 50 that guides the head side of the harvested cereal bowl that is transported by the transporting device 14 and reduces the gap formed between them. This prevents dust generated at the bottom of the cutting and conveying unit 4 from being blown from between the left operation panel 49 and the tip guide plate 50 during cutting and conveying.

  The cutting and conveying cover 51 is made of resin and has a front and rear divided structure including a front cover portion 51A and a rear cover portion 51B. Thereby, compared with the case where the harvesting conveyance cover 51 is comprised by the single resin molded product long front and back, the cost which a metal mold | die can reduce can be reduced and price reduction can be implement | achieved.

    [Another embodiment]

[1] As the self-removing combine, it may be configured to have a 2-strip cutting specification, a 3-strip cutting specification, or a 5-strip cutting specification.

[2] As a self-decomposing combine, instead of the grain tank 8 and the grain discharging device 9, a bagging device that stores the single-grained grains from the threshing device 5 and allows them to be packed into the bag. May be installed.

[3] The left and right side covers 38 may be made of sheet metal formed so as to have a flange 38A. Further, as the left and right side covers 38, those flanges 38A may be formed to a length necessary to cover the outer surfaces of the left and right end edge portions 39a of the upper cover 39.

[4] The upper cover 39 may be formed of a resin molded product. Further, the upper cover 39 may be formed by bending the upper end portion 39B into a substantially inverted V shape or a U shape with the lower side open in a side view.

[5] The left and right mounting members 44 may be configured to include only one mounting plate for mounting the side cover, or to include three or more mounting plates. Further, it may be configured such that only the side cover 38 is attached.

[6] The left and right attachment members 44 may be made of a steel strip or the like bent in an L shape in plan view.

[7] The support may be composed of a square bar steel material, a strip steel plate, a steel pipe material or the like according to the shape of the upper cover 39 or the like. Further, the support may be formed in a straight line, or in a bifurcated shape that supports the edge portion 39a of the upper cover 39 at two places, front and rear, or left and right.

[8] The number of the protrusions 38 </ b> B provided on the side cover 38 can be variously changed according to the shape of the upper cover 39. For example, only a pair of front and rear may be provided on the upper end portion of the side cover 38. Further, each protrusion 38B may be formed so that the shape of its longitudinal section is circular or rectangular.

[9] A dedicated connecting portion for connecting the left and right attachment members 44 to the support frame 21 may be formed. Further, the left and right attachment members 44 may be welded to the support frame 21.

  The cover mounting structure of the self-removable combine according to the present invention is formed so as to cover the left and right side covers covering the left and right side ends of the cutting and conveying unit and the upper ends of the plurality of pulling devices in a horizontally long manner extending over the left and right side covers. The present invention can be applied to a self-removing combine that includes an upper cover.

DESCRIPTION OF SYMBOLS 4 Cutting conveyance part 12 Pulling apparatus 21 Support frame 34 Pulling nail 35 Cushion rubber 36 Support stand 38 Side cover 38A Flange 38B Protrusion 39 Upper cover 39a Edge part 39B Upper end part 44 Mounting member 44A Connecting plate 44B Support plate 44C 1st mounting plate (Working light mounting part)
44D Second mounting plate (side mirror mounting part)
44d Mounting part 45 Supporting tool 45A Supporting part 46 Work light 47 Side mirror a Vertex part

Claims (8)

A side cover is attached to the left and right side ends of the cutting and transporting unit in which a plurality of pulling devices are arranged in the left-right direction, and an upper cover formed so as to cover the upper ends of the plurality of pulling devices in a horizontally extending manner across the left and right side covers. The cover mounting structure of the self-removable combine provided at the upper part of the cutting and conveying unit,
Forming flanges that cover the outer surfaces of the left and right edge portions of the upper cover on the left and right side covers,
On the left and right attachment members for attaching the side cover extending from the support frame that supports the pulling device toward the side cover, a support for receiving and supporting the left and right edge portions of the upper cover from below is provided. And
A cover attachment structure for a self-removable combiner configured to fix the upper cover by sandwiching the left and right edge portions of the upper cover from above and below by the support and the flange. The upper cover is made of a sheet metal material whose upper end is curved in a substantially inverted U shape in a side view,
The support is made of a round steel bar bent in an inverted L shape with a left and right support portion, and the top portion of the upper end portion of the left and right edge portions of the upper cover at the support portion. The cover mounting structure for a self-removable combine according to claim 1, wherein the cover is disposed so as to receive and support it from below. The left and right side covers are formed of a resin molded product integrally formed with the flange, and a plurality of protrusions protruding leftward and rightward from the inner side toward the inside of the cutting and conveying unit,
As the left and right side covers are attached to the left and right end portions of the cutting and conveying unit from the left and right outer sides of the cutting and conveying unit, the plurality of protrusions are below the support position of the support on the upper cover. The plurality of protrusions are arranged at front and rear positions with respect to the support in the left and right side covers so as to guide front and rear inner surfaces positioned on the side and position the upper cover in the front and rear direction. The cover attachment structure of the self-removing combine according to 1 or 2. The support frame is provided with a plurality of support bases for supporting the cushion rubber that is contacted when the pulling claw of the pulling device is caused to move from the path to the return path, corresponding to the plurality of pulling apparatuses,
The self-removal according to any one of claims 1 to 3, wherein the attachment member and the cushion rubber are attached to the support bases arranged at the left and right ends of the cutting and conveying part by joint fastening. Cover mounting structure for type combine.   The work light mounting part which enables the work light to be attached to the attachment member, and the side cover and the work light are attached to the work light attachment part by joint fastening. The cover attachment structure of the self-removing combine according to any one of the above.   6. The mounting member includes a side mirror mounting portion that enables a side mirror to be mounted, and the side cover and the side mirror are mounted on the side mirror mounting portion by joint fastening. The cover attachment structure of the self-removing combine according to any one of the above.   The lower and right end portions of the left and right end portions of the cutting and conveying section of the left and right connecting plates connected to the support frame are welded to the lower ends of the vertical supporting plates and connected in an L shape, and the connecting plates and A first mounting plate for attaching a side cover is welded to one left and right end located on the left and right end sides of the cutting and conveying section of the support plate, and the first mounting plate for attaching a side cover is positioned on the left and right end sides of the cutting and conveying section on the upper end of the supporting plate. The second attachment plate for attaching a side cover is welded to one side end of the right and left to constitute the attachment member, and the support is welded to the second attachment plate. The cover mounting structure of the self-detaching combine described in 1.   The cover attachment structure for a self-removable combine according to any one of claims 1 to 7, further comprising an attachment portion that enables attachment of a fixing tool for fixing the wiring to the attachment member.

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