JPH04129739U - Combine harvester reaping device - Google Patents

Abstract

(57) [Summary] [Purpose] The supporting member, the power transmission member, and the grain culm conveying member of the reaping section (7), which is movable from side to side, mutually prevent the assembly of the reaping section (7) and the assembly work to the threshing machine body. Make sure it doesn't happen. [Configuration] In a structure in which the reaping part (7) is supported in the front of the threshing machine body via parallel links (29) and (30) so as to be movable left and right, the parallel link (29) is connected from the upper front side of the threshing machine body.
(30) suspends and supports the front upper part of the reaping part (7), and the mowing power is input from the front upper part of the threshing machine body to the front upper part of the reaping part (7), and is distributed to each part from there.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention is a combine that supports the reaping part in the front of the threshing machine so that it can move vertically and horizontally. Regarding.

0002

[Conventional technology]

Conventionally, as shown in Japanese Patent Publication No. 50-17366, a parallel link was installed at the front of the threshing machine. There was a technology to support the reaping part so that it could be moved left and right.

0003

[Problem that the idea aims to solve]

However, the parallel links support the reaping section from below, and are not suitable for the grain culm transport route. Since the grain culm conveying member is stretched further downward, it is difficult to assemble the reaping part to the threshing machine body. This is an obstacle to work and the formation of a power transmission path to the reaping section.

0004

[Means to solve the problem]

However, the present invention allows the reaping section to be moved left and right through a parallel link in the front of the threshing machine. In the supporting structure, a vertical movement fulcrum for the reaping part is provided at the upper front of the threshing machine body, and the A reaping hanger frame is installed above the lifting case of the section, and the vertical movement fulcrum and reaping hanger - Parallel links are installed horizontally between the frames, and the power is transmitted from the vertical movement fulcrum. from the reaping hanger frame, and from the reaping hanger frame to the pulling part and scraper. Power is transmitted to the cutting part and cutting blade part.

[0005]

【Example】

Hereinafter, embodiments of the present invention will be described in detail based on the drawings. Figure 1 shows the overall plane of the combine harvester. Figure 2 is a side view of the same overall, and (1) in the figure shows a traveling crawler (2) installed. a truck frame; (3) is a machine base fixedly supported on the truck frame (1); (4) is a threshing section with a feed chain (5) stretched on the left side and a built-in handling cylinder (6), etc. , (7) is a reaping part placed in front of the threshing part (4), and (8) is a cutting part placed in the rear of the threshing part (4). The straw processing section (9) is the threshing section (4), the grain tank is installed on the right side, (10) (11) is the operation unit (10) located in front of the grain tank (9). This is an engine section installed on the lower side, and the reaping section (7) reaps the grain culms while driving. The harvested grain culm is threshed in a threshing section (4).

[0006] The reaping section (7) erects uncut grain culms that are taken in through the grass dividing board (12). The left and right lifting cases (14) have lifting tines (13) to Left and right star foils (15) and left and right raking belts for raking the culm side and ear side of grain culms (16), a cutting blade (17) that cuts the culm side during this raking, and the foil (15). and the culm side and ear side of the two rows of harvested grain culms that join the raking side of the belt (16). A lower vertical conveyor holding chain (1) is connected to the feed start end of the feed chain (5) to take over conveyance 8) and an upper vertical conveyance locking chain (19), which is installed in front of the threshing section (4). It is configured to feed the tip side of the harvested grain culm into the threshing part (4) from the handling port (20). There is.

[0007] In addition, a reaping frame (21) with a grass dividing board (12) attached to the tip is provided, and a starter Lower part that drives and supports the wheel (15), raking belt (16), and cutting blade (17) A transmission case (22) is integrally connected to the rear end side of the reaping frame (21), and , upper and lower transmission pipes (24) (25) with a lifting drive case (23) interposed in the middle part is installed upright on the lower transmission case (22), and the lifting case is installed on the lifting drive case (23). The middle part of the case (14) is rotatably driven and supported, and the tilt angle of the lifting case (14) can be adjusted freely. It is configured to be supported diagonally.

[0008] In addition, there are left and right pedestals (26) at the upper front of the threshing section (4) above the handling port (20). The reaping input case (27), which is the vertical movement fulcrum of the reaping unit (7), is supported horizontally through the At the same time, both sides are placed above the lifting case (14) in front of the reaping input case (27). The reaping case is an upper transmission case whose ends are integrally connected to the left and right upper transmission pipes (24). The reaping input case (27) and the reaping hanger case are horizontally supported. Parallel links (29) and (30) are installed horizontally between the bases (28), and Connecting pins (3 2) through one end of the parallel links (29) and (30) and the reaping hanger case ( Parallel to the left and right flange portions (33) integrally formed with 28) via connecting pins (34) The other ends of the links (29) and (30) are connected so as to be rotatable left and right, respectively, and the reaping part ( 7) is suspended and supported in front of the threshing machine so that it can move vertically and horizontally, and ) Travel transmission (35) fixed to the front end via a universal joint (36) to the front. Install the reaping movement cylinder (37) and extend it integrally from the lower transmission case (22). The piston rod of the reaping movement cylinder (37) is attached to the tip of the reaping movement arm (38). The reaping section (7) is moved appropriately by the telescopic movement of the reaping movement cylinder (37). It is configured to move up and down or left and right.

[0009] In addition, the movement of the reaping part (7) in the vertical direction and the horizontal direction is the vertical movement of the reaping part (7). and a lock member that restricts left and right movement. The reaping part (7) can be held in a predetermined position by operating the locking member. The reaping section (7) can be raised by operating only the left and right locking members. It can be moved downward and only the locking member in the vertical direction acts. The reaping section (7) can be moved laterally.

0010 In addition, the power from the engine part (11) is applied to the reaping input case (27) by the pulley (3). 9), and the reaping input case between parallel links (29) and (30) ( 27) In addition to interposing the output case (40) in the intermediate part, parallel links (29) (3 The input case (41) is interposed in the middle part of the reaping hanger case (28) between the Output shaft (40a) of force case (40) and input shaft (41a) of input case (41) and the parallel link (29) via the universal joint (42) (43) and the transmission shaft (44). (30), and the reaping power input to this input case (41) is It is distributed to the right and transmitted to the left and right lifting drive cases (23), and the transmission is transmitted to the left and right lifting drive cases (23). 23) to transmit the reaping power to the lower transmission case.

[0011] Furthermore, a vertical conveyance drive case rotatably supports the proximal end on the reaping input case (27). The lower vertical conveyance holding chain (18) and the upper vertical conveyance locking chain are provided. The feed end side of the chain (19) is connected to the feed start end side of the feed chain (5). The output shaft (45a) of the chain (45) is driven and supported so as to be rotatable left and right. ) (19) is scratched between the star foil (15) and the scraping belt (16). It faces the rear of the parking lot (46).

0012 This embodiment is configured as described above, and is linked to the left and right movement of the reaping section (7). Then, start feeding the lower vertical conveyance holding chain (18) and the upper vertical conveyance locking chain (19). The end side is fed and the reaped grain culm is moved to the reaping section by swinging left and right around the output shaft (45a) on the end side. The grain is supplied from (7) to the threshing section (4), where harvesting work is performed.

[0013] Here, the threshing machine can be moved left and right via parallel links (29) and (30) in front of the threshing machine. The supported reaping unit (7) does not move linearly from side to side, but moves backwards and from side to side. move. This movement is caused by the lower vertical conveyor holding chain (18) rotating at one point and the upper vertical conveyor chain (18). It approximately follows the left-right swing locus of the chain (19) on the feed start end side. Therefore, the reaping part (7) No matter what position the star wheel (15) and scraping belt (16) move to the left or right, The lower part of the reaping section (7), the lower part of the vertical transport chain (18) and the upper part of the vertical transport part The positional relationship of the reaping part (7), such as the stop chain (19), with respect to the vertical conveyance hardly changes, and it is always It is possible to maintain an appropriate positional relationship between Smooth the grain culm from the reaping section (7) to the threshing section (4) without causing any spillage or spillage. can be supplied to

[0014] The reaping section (7) also includes a lower vertical conveyance holding chain (18) and an upper vertical conveyance locking chain. The whole body, including the input case (19), moves up and down as a unit around the reaping input case (27). Therefore, even when the reaping part (7) moves up and down, the relative positions of each part do not change, and the grain culm reaping and Reaping work can be carried out properly without causing any hindrance to transportation.

[0015] Furthermore, the support structure and power transmission path of the reaping section (7) are By arranging the input case (27) at the upper front of the threshing machine, the reaping part (7) It can be configured to bypass the grain culm conveyance route from the upper side to the front side and then to the lower side. . Therefore, when assembling the reaping section (7) or when assembling the reaping section (7) to the threshing machine body, If the support member of the reaping part (7), the power transmission member, and the grain culm transport member interfere with each other's work, There is no melting and work efficiency is improved.

[0016]

[Effect of the idea]

As is clear from the above embodiments, the present invention has a parallel link (29 ) (30) to support the reaping part (7) so as to be movable from side to side. The vertical movement fulcrum (27) of the reaping section (7) is provided at the upper front of the machine, and the pulling point of the reaping section (7) is A reaping hanger frame (28) is provided above the raising case (14), and a vertical movement fulcrum ( Connect the parallel links (29) and (30) horizontally between the reaping hanger frame (27) and the reaping hanger frame (28). At the same time, the power is transmitted from the vertical movement fulcrum (27) to the reaping hanger frame. (28) section, and from the reaping hanger frame (28) section to the pulling section and raking section. By transmitting power to the cutting blade, the grain can be harvested by bypassing the defined grain culm transport route. Since the support structure and power transmission path for the reaping section (7) can be constructed, the assembly of the reaping section (7) is easy. During assembly work on the threshing machine body, the support members and power transmission of the reaping section (7) To improve work efficiency by preventing members and grain culm transport members from interfering with work. can be carried out freely without being restricted by the fixed grain transportation route. Since it is possible to make improvements to the support structure and power transmission path of the reaping part (7), The support structure and power transmission path for the reaping section (7) can be configured more easily than in the past. This makes it easy to make the reaping section (7) more compact and reduce costs. It has remarkable effects, such as:

[Brief explanation of drawings]

FIG. 1 is an overall plan view of a combine harvester.

FIG. 2 is an overall side view of the combine harvester.

[Explanation of symbols]

(4) Threshing department (7) Reaping section (27) Reaping input case (vertical movement fulcrum) (28) Reaping hanger case (29) (30) Parallel link

Claims (1)

[Scope of utility model registration request] Claim 1: In a structure in which a reaping section is supported in a horizontally movable manner via a parallel link at the front of the threshing machine body, a vertical movement fulcrum of the reaping section is provided at the upper front of the threshing machine body, and a reaping hanger is provided above the lifting case of the reaping section. A frame is provided, and a parallel link is horizontally stretched between the vertical movement fulcrum and the reaping hanger frame, and power is input from the vertical movement fulcrum to the reaping hanger frame, and from the reaping hanger frame, the pulling part and the raking 1. A combine harvester reaping device characterized in that power is transmitted to the section and the cutting blade section.