JP7085902B2 - Handling torso - Google Patents

Description

The present invention is supported by a handling barrel support shaft that is rotatably provided in a handling chamber into which the entire harvested crop is put in a posture along the front-rear direction of the handling chamber, and a front portion of the handling barrel support shaft. It is supported by a scraping portion that scrapes the introduced crop toward the rear of the handling chamber and a portion of the handling cylinder support shaft that is behind the scraping portion and is scraped by the scraping portion. It relates to a handling cylinder provided with a handling processing unit for handling and processing crops.

Among the above-mentioned handling cylinders, for example, as shown in Patent Document 1, there is one configured as a so-called bar-shaped handling cylinder.
That is, the handling processing unit is provided with a plurality of rod-shaped handling tooth support members along the handling cylinder support shaft in a state of being spaced apart in the circumferential direction of the handling processing unit. In each of the plurality of handle tooth support members, a plurality of rod-shaped handle teeth are projected from the handle tooth support member toward the radial outside of the handle processing portion, and are spaced apart in the direction along the handle body support shaft. It is supported by the tooth support member in the state. This handling cylinder makes it possible for the threshed product from the scraped portion to be threshed by hitting with the handling tooth support member and the handling tooth, or by combing the handling tooth.

Japanese Unexamined Patent Publication No. 2017-176052

In the case of a handling cylinder obtained based on the conventional technique, each handling tooth support member becomes a genuine handling tooth support member from the front end to the rear end of the handling tooth support member, so that a strong threshing reaction force is applied to the handling cylinder. Even if it acts, if the rigidity of the handling cylinder is increased so that the handling tooth support member does not bend or deform and cause poor threshing, the weight becomes heavy. The longer the front-rear length of the handling cylinder, the longer the length of the handling tooth support member, so that the rigidity needs to be higher and the weight becomes heavier.

The present invention provides a handling cylinder having high rigidity while suppressing the weight increase of the handling cylinder and making it easy to manufacture the handling cylinder.

The handling cylinder according to the present invention is
A handling trunk shaft that is rotatably provided in the handling chamber where the entire harvested crop is loaded in a posture along the front-rear direction of the handling chamber, and a crop that is supported and loaded by the front portion of the handling barrel support shaft. To handle the crops that are supported by the scraping portion that scrapes toward the rear of the handling chamber and the portion of the handling cylinder support shaft that is behind the scraping portion and that is scraped by the scraping portion. A handling processing unit for processing is provided, and the handling processing unit includes a front support member supported by the handling cylinder support shaft, and a portion of the handling cylinder support shaft on the rear side of the front support member. The rear support member to be supported, the intermediate support member supported in the portion between the front support member and the rear support member of the handling cylinder support shaft, and the state along the handling cylinder support shaft, and A plurality of rod-shaped handle tooth support members supported by the front support member, the intermediate support member, and the rear support member in a state of being spaced apart from each other in the circumferential direction of the handle processing portion, and the plurality of handle tooth support members. In each case, the handle tooth support member is supported by the handle tooth support member in a state of protruding outward in the radial direction of the handle handle portion and in a state of being spaced apart in the direction along the handle body support shaft. A plurality of rod-shaped handle teeth are provided, and an internal space is provided in which crops are allowed to enter from the handle chamber through the space between the handle support members, and each of the plurality of handle support members is provided. It is divided into a front split handling tooth support member located on the front side of the intermediate support member and a rear split handling tooth support member located on the rear side of the intermediate support member. In the direction, the arrangement pitch of the plurality of front split handling tooth support members is the same, the arrangement pitch of the plurality of rear split handling tooth support members is the same, and the arrangement of the front split handling tooth support members and the posterior The arrangement of the side split handle support members is different, and the distance between all the adjacent front split handle support members and the rear split handle support member is the same in the circumferential direction of the handle processing portion. be.

According to this configuration, the lengths of the front split tooth support member and the rear split tooth support portion are shorter than the length of the entire handle tooth support member, and the front split tooth support member is the front support member. The intermediate support member supports the front and rear ends, and the rear split tooth support member is supported by the intermediate support member and the rear support member at the front and rear ends. Even if the tooth support member is configured to have the same strength as the genuine tooth support member, the weight of the entire handle body can be made lighter than the weight of the handle tooth support member as a whole.

Since the portion of the intermediate support member for supporting the front split handle tooth support member and the portion of the intermediate support member for supporting the rear split handle tooth support member are displaced in the circumferential direction of the handling processing portion, the front side It is easy to connect each of the split tooth support member and the rear split tooth support member to the intermediate support member.

Therefore, it is possible to obtain a handling cylinder having high rigidity while suppressing the handling cylinder from becoming heavy and making it easy to manufacture the handling cylinder.

Further, since the front split tooth support member and the rear split tooth support member are displaced in the circumferential direction of the handle processing portion, the degrained product is from the portion of the handle processing section having the front split handle support member. When shifting to a portion having a rear split tooth support member, it is susceptible to impact and combing action by the posterior split tooth support member and the tooth support supported by the posterior split tooth support member, and the grain is effectively removed. Will be done.

In the present invention, the front split-handle support member and the rear split-handle support member have the same length in the anteroposterior-posterior direction of the barrel, and the front split-handle support member and the rear split-handle support member have the same length. It is preferable that the support member can be replaced.

According to this configuration, for example, when the handling teeth supported by the front split handling tooth support member are worn out more than the handling teeth supported by the rear split handling tooth support member, the front split handling tooth support member and the rear split handling are handled. It is convenient to take emergency measures by replacing the tooth support member.

In the present invention, the intermediate support member is detachably supported by the inner peripheral side support member welded to the handling cylinder support shaft and the inner peripheral side support member to support the handling tooth support member. It is preferable to include a side support member.

According to this configuration, the intermediate support member can be divided into an inner peripheral side support member and an outer peripheral side support member and attached to the handling body support shaft, which is advantageous. By welding to, the intermediate support member is firmly supported by the handling barrel support shaft.

In the present invention, in the intermediate support member, a support portion for supporting the outer peripheral side support member is provided on the outer peripheral side portion of the inner peripheral side support member, and the handling is performed on the inner peripheral side portion of the inner peripheral side support member. It is preferable that the trunk support shaft is provided with a connecting portion to be connected by welding, and the connecting portion is formed in a shape extending from the support portion to two welding points separated in a direction along the handling trunk support shaft. Is.

According to this configuration, since the inner peripheral side support member is connected to the handling body support shaft over a wide range in the handling body shaft core direction, the intermediate support member is firmly supported by the handling body support shaft.

In the present invention, the outer peripheral side portion of the inner peripheral side support member is provided with a support portion for supporting the outer peripheral side support member, and the outer peripheral side support member includes the handling body support shaft and the inner peripheral side support member. It has a through hole to be inserted, and the outer peripheral shape of the inner peripheral side support member and the shape of the through hole are formed into a similar non-circular shape, and among the outer peripheral side support members, the inner peripheral side support member. A fixing portion fixed to the support portion is provided at a portion overlapping the support portion in a state where the inner peripheral side support member and the outer peripheral side support member are relatively rotated through the through hole. Is suitable.

According to this configuration, when the outer peripheral side support member is removed from the handling body support shaft, the outer peripheral side support member released from the fixing to the support portion and the inner peripheral side support member are relatively rotated to overlap the support portion and the fixed portion. When released, the outer peripheral side support member and the inner peripheral side support member are moved relative to each other in the direction along the body support shaft, so that the inner peripheral side support member passes through the through hole of the outer peripheral side support member and can be easily removed. When the outer peripheral side support member is attached to the handling body support shaft, the outer peripheral side support member and the inner peripheral side support member are relatively moved in the direction along the handling body support member, and the inner peripheral side support member is a through hole of the outer peripheral side support member. By rotating the outer peripheral side support member and the inner peripheral side support member relative to each other, the support portion and the fixed portion overlap each other and the fixed portion can be fixed to the support portion, which is easy to install.

In the present invention, in the front support member, the intermediate support member, and the rear support member, it is preferable that the outer peripheral side support member is configured to be separable in the radial direction of the handling processing portion.

According to this configuration, in each of the front support member, the intermediate support member, and the rear support member, the outer peripheral side support member is attached to and detached from the handling body support shaft, but the inner peripheral side support member is divided into divided outer peripheral side support members. It is easy to attach and detach because it can be attached to or removed from the inner peripheral side support member.

In the present invention, it is preferable that the outer diameter of the rear support member is smaller than the outer diameter of the intermediate support member.

According to this configuration, the dust discharge port formed at the rear part of the handling chamber can be widely opened by the small outer diameter of the rear support member, and the threshing dust can be smoothly discharged.

It is a left side view which shows the whole combine. It is a vertical sectional side view which shows the threshing part. FIG. 2 is a cross-sectional view taken along the line III-III in FIG. FIG. 2 is a cross-sectional view taken along the line IV-IV of FIG. FIG. 2 is a cross-sectional view taken along the line VV of FIG. FIG. 3 is a cross-sectional view taken along the line VI-VI of FIG. FIG. 6 is a cross-sectional view showing a connecting portion having another implementation structure. It is a front view which shows the intermediate support member provided with another implementation structure.

Hereinafter, embodiments that are an example of the present invention will be described with reference to the drawings.
In the following description, regarding the normal type combine aircraft, the direction of arrow F shown in FIG. 1 is "front of the aircraft", the direction of arrow B is "rear of the aircraft", and the direction of arrow U is "above the aircraft". The direction of the arrow D is "downward of the aircraft".

[About the overall composition of the combine]
As shown in FIG. 1, the ordinary combine is steerably mounted on the fuselage frame 1, the pair of left and right front wheels 2 operably mounted on the front portion of the fuselage frame 1, and the rear portion of the fuselage frame 1. It is equipped with an airframe having a pair of left and right rear wheels 3. A boarding operation unit 4 is formed at the front portion of the aircraft. The boarding operation unit 4 is provided with a cabin 5 that covers the boarding space. A cutting and transporting unit 6 for cutting and transporting grain culms of crops such as paddy rice, wheat, and rapeseed, which are located in front of the machine during work running, is connected to the front end of the machine frame 1. The cutting and transporting unit 6 is connected in a state where it can be moved up and down with the elevating shaft core P facing left and right of the machine as a fulcrum. The elevating and swinging of the cutting transport unit 6 is performed by the expansion and contraction operation of the hydraulic elevating cylinder 8 erected over the machine frame 1 and the feeder 7. The rear part of the machine frame 1 is provided with a threshing device 9 that receives the culm after cutting carried by the cutting and transporting unit 6 as a threshing target, threshs it, and sorts the processed product after the threshing treatment. .. Above the front part of the threshing device 9, a grain tank 10 for collecting and storing single grain grains conveyed from the threshing device 9 is provided. A screw conveyor 11 for discharging the stored grains is connected to the lower part of the grain tank 10. Above the rear part of the threshing device 9, a driving part 12 having an engine is formed.

[About the configuration of the cutting transport unit 6]
In the cutting and transporting unit 6, the uncut grain culms are combed into the grain culms to be harvested and the grain culms not to be harvested by the left and right dividers 13 as the machine travels. Further, the tip side of the grain to be harvested is scraped backward by the rotary reel 14 arranged above the front part of the cutting and transporting unit 6. The root of the scraped culm is cut by a clipper-type reaping device 15, and the culm to be harvested is cut. Then, the cut grain culms are gathered at the front side of the feeder 7 by the lateral auger 16 deployed behind the cutting device 15. The entire area from the root of the harvested culm to the tip of the culm is put into the threshing device 9 by the feeder 7.

[About the configuration of the threshing device 9]
In the explanation of the threshing device 9 and the handling cylinder 17, the processing start side [grain culm input side (left side of the paper in FIG. 2)] of the threshing device 9 and the handling cylinder 17 is regarded as "front", and the processing of the threshing device 9 and the handling cylinder 17 is performed. The terminal side [grain culm discharge side (right side of the paper in FIG. 2)] is defined as "rear".

As shown in FIG. 2, the threshing device 9 is provided with a threshing section 9A for subjecting the threshed product to a threshing treatment, using the cut grain culm as a crop input by the feeder 7 as a threshing product.
Although not shown, a sorting section is provided below the threshing section 9A to perform a sorting process on the processed product after the threshing process. In this threshing device 9, the threshing processing direction in the threshing unit 9A coincides with the front-rear direction of the machine, and the upper side of the threshing processing direction is set to be located on the front side of the machine.

As shown in FIG. 2, the threshing section 9A is provided with a handling chamber 18 formed in the upper part of the threshing device 9. The handling chamber 18 is provided with a handling cylinder 17. The handling cylinder 17 is rotationally driven in the clockwise direction R (see FIGS. 3, 4, and 5) in the front view with the handling cylinder support shaft 19 as the rotation center Y. A supply port 20 is formed in the lower front portion of the handling chamber 18 to allow the threshing processed product to be input into the handling chamber 18. A dust discharge port 21 is formed in the lower rear portion of the handling chamber 18 to enable the threshing dust to be discharged to the outside of the handling chamber. A receiving net 22 is provided in the area below the handling cylinder 17 in the periphery of the handling cylinder 17.

The handling chamber 18 is partitioned by a front support wall 23 and a rear support wall 24 that support the handling cylinder 17, a top plate 25 provided above the handling cylinder 17, a receiving net 22, and the like. A plurality of dust transmission valves 26 arranged in the front-rear direction of the handling chamber 18 are provided inside the top plate 25. As shown in FIG. 2, the handling cylinder 17 has a scraping portion 30 provided at the front portion of the handling cylinder 17 and a handling treatment provided at a portion of the handling cylinder 17 on the rear side of the scraping portion 30. It is provided with a unit 40.

In the threshing section 9A, the entire area from the stock root to the tip of the cut grain culm thrown into the handling chamber 18 from the supply port 20 by the feeder 7 is scraped into the inside of the handling chamber 18 by the scraping section 30 as a threshing process. The grain is threshed by the culm processing unit 40 and the receiving net 22. The threshed product to be threshed is subjected to rotational power by the rotating handling unit 40, hits the dust feed valve 26, and is guided by the dust feed valve 26 so as to flow toward the rear of the handling chamber 18. The threshed product is threshed while being transferred toward the rear of the handling chamber 18 by the handling unit 40. The grains obtained by the threshing treatment leak from the receiving net 22. Threshing culms and cut straw generated by the threshing process are discharged from the dust discharge port 21 to the outside of the handling chamber 18.

[About the configuration of the handling cylinder 17]
As shown in FIG. 2, the handling cylinder 17 is provided in the handling chamber 18 in a posture along the front-rear direction of the handling chamber 18, and is rotationally driven with the handling cylinder shaft core as the rotation center Y. A scraping portion 30 supported by the front portion of the handling cylinder support shaft 19 and a handling processing portion 40 supported by a portion of the handling cylinder support shaft 19 behind the scraping portion 30 are provided. There is.

[About the configuration of the scraping unit 30]
As shown in FIG. 2, the scraping portion 30 stands up from the base portion 31 having a smaller diameter toward the front end side of the handling cylinder 17 and from the outer peripheral portion of the base portion 31 toward the outside of the base portion 31. It is provided with a spiral blade 32 provided on the outer peripheral portion of the base portion 31. Two spiral blades 32 are provided. The two spiral blades 32 have a double spiral shape arranged at intervals in the circumferential direction of the base portion 31, and are provided from the rear end portion to the tip portion of the base portion 31.

The base portion 31 is composed of a sheet metal member wound in a conical base shape. The disk member 33 is connected to the front end portion of the base portion 31 and the handling cylinder support shaft 19. The front support member 41 is connected to the rear end portion of the base portion 31 and the handling cylinder support shaft 19. The base portion 31 is supported by the handling cylinder support shaft 19 via the disk member 33 and the front support member 41.

In the scraping portion 30, the base portion 31 is driven by the handling cylinder support shaft 19 via the disk member 33 and the front support member 41, and the two spiral blades 32 rotate around the handling cylinder shaft core. Driven. Behind the handling chamber 18 along the guide bottom plate 34 (see FIG. 2) by a spiral blade 32 that rotates the entire culm from the stock root to the tip of the harvested culm that was put into the handling chamber 18 from the supply port 20 by the feeder 7. It is squeezed towards.

[About the configuration of the handling processing unit 40]
As shown in FIG. 2, the handling body support member 40 includes a front support member 41 and a handling body support shaft that are non-rotatably supported by a portion of the handling body support shaft 19 corresponding to the rear portion of the scraping portion 30. A rear support member 42 that is non-rotatably supported by a portion of 19 that is rearward of the front support member 41, and a portion of the handling cylinder support shaft 19 that is between the front support member 41 and the rear support member 42. Three intermediate support members 43 that are non-rotatably supported are provided. The three intermediate support members 43 are arranged at intervals in the front-rear direction of the handling cylinder support shaft 19. The outer diameter D1 of the rear support member 42 is set smaller than the outer diameter D2 of the three intermediate support members 43. Compared to the outer diameter D1 of the rear support member 42 being the same as the outer diameter D2 of the intermediate support member 43, the dust discharge port 21 can be formed wider. In the following, among the three intermediate support members 43, the frontmost intermediate support member 43 is referred to as a first intermediate support member 43a, and among the three intermediate support members 43, the intermediate intermediate support member 43 is referred to as a second intermediate support member 43. The intermediate support member 43b is referred to, and the rearmost intermediate support member 43 among the three intermediate support members 43 is referred to as a third intermediate support member 43c.

The handling section 40 is located on the front side of the front handling section 40F having six front split handling tooth support members 45a located on the front side of the second intermediate support member 43b, and on the rear side of the second intermediate support member 43b. It is provided with a rear handling processing unit 40R having six rear split handling tooth support members 45b located. The front split-handle support member 45a and the rear split-handle support member 45b are a second intermediate support member 43b, which is a genuine handle tooth support member having a front-rear length extending over the front support member 41 and the rear support member 42. It is divided into two in the front-rear direction at the position corresponding to.

The front side handling processing unit 40F includes a front side handling body main body 17F that is supported by the handling body support shaft 19 and is rotationally driven by the handling body support shaft 19. A plurality of rod-shaped handling teeth 44 are provided on the outer peripheral surface of the front handling cylinder main body 17F as the front outer peripheral surface of the handling cylinder 17. The plurality of handling teeth 44 are provided in a state of being arranged at intervals in the direction along the handling cylinder support shaft 19 and in a state of being arranged at intervals in the circumferential direction of the handling cylinder 17. Each of the handling teeth 44 projects from the outer peripheral surface of the front handling body 17F toward the outside in the radial direction of the handling body.

As shown in FIGS. It includes six front split-handle tooth support members 45a supported by the member 41, the first intermediate support member 43a, and the second intermediate support member 43b. As shown in FIGS. It is supported by. That is, the six front split handling tooth support members 45a are arranged at equal intervals in the circumferential direction of the handling processing unit 40. As shown in FIG. 2, a plurality of rod-shaped handling teeth 44 are supported on each of the six front split handling tooth support members 45a in a state of being spaced apart in the direction along the handling body support shaft 19. .. As shown in FIGS.

The front end side of each front split tooth support member 45a is supported by the outer peripheral portion of the front support member 41, and the intermediate portion of each front split tooth support member 45a is supported by the outer peripheral portion of the first intermediate support member 43a. The rear end side of the split tooth support member 45a is supported by the outer peripheral portion of the second intermediate support member 43b. Each front split tooth support member 45a is non-rotatably supported by the handle body support shaft 19 via the front support member 41, the first intermediate support member 43a, and the second intermediate support member 43b. The cylindrical surface circumscribing the six front side split handling tooth support members 45a is the outer peripheral surface of the front side handling body 17F.

Specifically, the front end portion of the front split-handled tooth support member 45a is connected to the rearward side surface of the front support member 41 via a plate-shaped connecting member. As shown in FIG. 3, the intermediate portion of the front split-handled tooth support member 45a is inserted into the recessed portion 47 of the first intermediate support member 43a, and the first intermediate support member is inserted through the plate-shaped connecting member 48. It is connected to 43a. The connecting member 48 and the front split-handle support member 45a are connected in a state where the connecting member 48 is slidably fitted to the front split-handle support member 45a. The connecting member 48 and the first intermediate support member 43a are connected by connecting bolts. As shown in FIG. 5, the rear end portion of the front split-handled tooth support member 45a is connected to the forward side surface of the second intermediate support member 43b via a plate-shaped connecting member 49. The front split tooth support member 45a and the connecting member 49 are connected by welding. The connecting member 49 and the second intermediate support member 43b are connected by connecting bolts.

The rear handling processing unit 40R includes a rear handling cylinder main body 17R that is supported by the handling cylinder support shaft 19 and is rotationally driven by the handling cylinder support shaft 19. A plurality of rod-shaped handling teeth 44 are lined up on the outer peripheral surface of the rear handling cylinder main body 17R as the rear outer peripheral surface of the handling cylinder 17 at intervals in the direction along the handling cylinder support shaft 19. It is provided in a state where they are lined up at intervals in the circumferential direction of. Each of the handling teeth 44 projects from the outer peripheral surface of the rear handling body 17R toward the outside in the radial direction of the handling body.

As shown in FIGS. The intermediate support member 43b, the third intermediate support member 43c, and the six rod-shaped rear split handle tooth support members 45b supported by the rear support member 42 are provided. As shown in FIGS. It is supported in the state of becoming. That is, the six rear split handling tooth support members 45b are arranged at equal intervals in the circumferential direction of the handling processing unit 40. As shown in FIG. 2, a plurality of rod-shaped handling teeth 44 are supported on each of the six rear split handling tooth support members 45b in a state of being spaced apart in the direction along the handling body support shaft 19. There is. As shown in FIGS. In the present embodiment, the arrangement pitch 46a of the front split tooth support member 45a and the arrangement pitch 46b of the rear split tooth support member 45b are set to be equal.
Not limited to this, a configuration in which the arrangement pitch 46a of the front split handling tooth support member 45a and the arrangement pitch 46b of the rear split handling tooth support member 45b may be different may be adopted.

The front end side of each rear split tooth support member 45b is supported by the outer peripheral portion of the second intermediate support member 43b, and the intermediate portion of each rear split tooth support member 45b is supported by the outer peripheral portion of the third intermediate support member 43c. It is supported, and the rear end side of each rear split tooth support member 45b is supported by the outer peripheral portion of the rear support member 42. Each rear split tooth support member 45b is non-rotatably supported by the handle body support shaft 19 via a second intermediate support member 43b, a third intermediate support member 43c, and a rear support member 42. The cylindrical surface circumscribing the six rear split handling tooth support members 45b is the outer peripheral surface of the rear handling body 17R.

Specifically, as shown in FIG. 5, the front end portion of the rear split tooth support member 45b is connected to the rear side surface of the second intermediate support member 43b via the plate-shaped connecting member 50. There is. As shown in FIG. 4, the intermediate portion of the rear split tooth support member 45b is inserted into the recessed portion 51 of the third intermediate support member 43c, and the third intermediate support is provided via the plate-shaped connecting member 52. It is connected to the member 43c. The connecting member 52 and the rear split tooth support member 45b are connected in a state where the connecting member 52 is slidably fitted to the rear split tooth support member 45b. The connecting member 52 and the third intermediate support member 43c are connected by connecting bolts. The rear end portion of the rear split tooth support member 45b is connected to the forward side surface of the rear support member 42 via a plate-shaped connecting member. The rear split tooth support member 45b and the connecting member are connected by welding.
The connecting member and the rear support member 42 are connected by connecting bolts.

The front split tooth support member 45a and the rear split tooth support member 45b are configured to have the same length in the front-rear direction. The front split tooth support member 45a and the rear split tooth support member 45b can be interchanged and attached to the handling cylinder 17. That is, the front split-handle support member 45a can be replaced with the rear split-handle support member 45b and supported by the second intermediate support member 43b, the third intermediate support member 43c, and the rear support member 42. It is possible to replace the rear split-handle support member 45b with the front split-handle support member 45a and support the front support member 41, the first intermediate support member 43a, and the second intermediate support member 43b.

As shown in FIG. 5, the front split handling tooth support member 45a and the rear split handling tooth support member 45b are arranged in the circumferential direction of the handling processing portion 40 of the front split handling tooth support member 45a and the rear split handling. The tooth support member 45b is provided in the handling cylinder 17 in a state different from the arrangement in the circumferential direction of the handling processing unit 40. That is, in the circumferential direction of the handling processing unit 40, the front split handling tooth support member 45a and the rear split handling tooth support member 45b are misaligned. In the present embodiment, as shown in FIG. 5, in the front-rear direction view of the handling cylinder 17, the front split handling tooth support member 45a and the front split handling tooth support member 45a are adjacent to each other on the lower side in the handling cylinder rotation direction. The distance between the matching rear split tooth support member 45b (distance on the lower side in the rotation direction) is on the upper side in the handle rotation direction with respect to the front split handle support member 45a and the front split handle support member 45a. The arrangement of the front split tooth support member 45a and the arrangement of the rear split tooth support member 45b are different in a state equal to the distance from the adjacent rear split tooth support member 45b (distance on the upper side in the rotation direction). The configuration is adopted. Among the configurations of the present invention, "a configuration in which the arrangement of the front split handling tooth support member 45a and the arrangement of the rear split handling tooth support member 45b are different" is the interval on the upper side in the rotation direction and the lower side in the rotation direction. Not limited to the ones having the same interval, but also the ones in which the interval on the upper side in the rotation direction and the interval on the lower side in the rotation direction are different.

In the present embodiment, six front split-handle support members 45a and six rear split-handle support members 45b are provided, but five or less or seven or more may be provided. In the present embodiment, the front split handle support member 45a and the rear split handle support member 45b are made of a round pipe steel material. In addition to the round pipe steel material, various rod-shaped members such as a round steel material, a square bar steel material, and a square pipe steel material can be adopted for the front side split handle tooth support member 45a and the rear side split handle tooth support member 45b. Further, an angle material or a channel material can also be used for the front split handle tooth support member 45a and the rear split handle tooth support member 45b. In this embodiment, each tooth is made of a round steel material. In addition to the round steel material, various rod-shaped members such as a square bar steel material, a round pipe material, and each pipe material can be adopted for the tooth handling 44.

The handling cylinder 17 has an internal space S1 (see FIG. 2) that communicates with the handling chamber 18 between the front split handling tooth support members 45a and between the rear split handling tooth support members 45b. A plurality of handling teeth 44, which are configured in a cage shape and project from the outer peripheral surface of the handling cylinder 17 toward the outside in the radial direction of the handling cylinder, are provided in a state of being arranged at intervals in the circumferential direction and the processing direction of the handling cylinder 17. It is configured as a so-called bar-shaped handling cylinder.

Therefore, the handling cylinder 17 introduces the threshed product from the scraping unit 30 between the handling processing unit 40 and the receiving net 22 by rotating the handling cylinder support shaft 19 in the processing direction as the rotation center Y. .. The handling cylinder 17 hits the grain-removed material located in the handling processing space S2 (see FIG. 2) between the receiving net 22 by the front split handling tooth support member 45a, the rear split handling tooth support member 45b, and the handling tooth 44. A grain removal process is performed by combing the teeth and teeth 44, allowing the processed material obtained by this grain removal process to enter the internal space S1, and stirring the processed material in the handling processing space S2 and the processed material in the internal space S1. At the same time, these processed objects are subjected to grain removal treatment by hitting the front split tooth support member 45a, the rear split tooth support member 45b, and the tooth 44, or by combing the tooth 44.

[About the configuration of the intermediate support member 43]
The first intermediate support member 43a and the third intermediate support member 43c are configured to have the same specifications as shown in FIGS. 3 and 4. That is, each of the first intermediate support member 43a and the third intermediate support member 43c is provided with a recessed portion 47 into which the front split handle tooth support member 45a can be inserted, and a rear split handle tooth support member 45b. A recessed portion 51 that can be penetrated is formed. It is possible to replace the first intermediate support member 43a and the third intermediate support member 43c to support the handling cylinder support shaft 19.

As shown in FIGS. 3, 4, and 5, each of the first intermediate support member 43a, the second intermediate support member 43b, and the third intermediate support member 43c has an inner peripheral side support member 53 and an outer peripheral side. A support member 54 is provided. The inner peripheral side support member 53 is supported by the handling body support shaft 19 at the central portion, the outer peripheral side support member 54 is supported by the outer peripheral portion of the inner peripheral side support member 53 at the inner peripheral portion, and the outer peripheral portion of the outer peripheral side support member 54 is supported. The front split-handled tooth support member 45a and the rear-side split-handled tooth support member 45b are supported. The outer peripheral side support member 54 is detachably supported on the forward side surface of the inner peripheral side support member 53. As a result, each of the first intermediate support member 43a, the second intermediate support member 43b, and the third intermediate support member 43c is non-rotatably supported by the handling cylinder support shaft 19, and the front split handling tooth support member 45a is supported. The rear split tooth support member 45b is connected to the handle body support shaft 19 so that it can be rotationally driven by the handle body support shaft 19.

Specifically, as shown in FIGS. 3, 4, and 5, the inner peripheral side support member 53 is provided with a connecting hole 55 formed in the central portion and a connecting portion 56 formed in the inner peripheral side portion. ing. As shown in FIGS. 3, 4, 5, and 6, the inner peripheral side support member 53 is externally fitted to the handling body support shaft 19 by the connecting hole 55, and the connecting portion 56 is connected to the handling body support shaft 19 by welding. As a result, it is supported by the handling cylinder support shaft 19 so as to be relatively non-rotatable. As shown in FIGS. 3, 4, and 5, the outer peripheral shape of the inner peripheral side support member 53 is formed into a four-sided shape as a non-circular shape, and the circumferential direction of the outer peripheral side portion of the inner peripheral side support member 53. Support portions 57 are formed at four locations in the above. As shown in FIG. 6, the connecting portion 56 has a shape extending from the support portion 57 toward the handling cylinder support shaft 19 and extending to two welded portions W separated in the direction along the axis of the handling cylinder support shaft 19. It is formed. Welding of the connecting portion 56 and the handling body support shaft 19 is performed in a wide range in the axis direction of the handling body support shaft 19, and the inner peripheral side support member 53 is firmly supported by the handling body support shaft 19. .. In the present embodiment, the connecting portion 56 is made of a plate material that overlaps in the direction along the handling cylinder support shaft 19. The bifurcated portion formed by the bulging portions of the two plate members forms a shape that extends to the two welded portions W.

As shown in FIGS. 3, 4, and 5, four sides that allow the inner peripheral side support member 53 to be inserted into the central portion of the outer peripheral side support member 54 and that resemble the outer peripheral shape of the inner peripheral side support member 53. A through hole 58 having a shape is formed. Fixing portions 59 are formed at four locations in the circumferential direction of the inner peripheral side portions of the outer peripheral side support member 54. Of the outer peripheral side support members 54, the four fixing portions 59 pass the inner peripheral side support member 53 through the through hole 58 to handle the inner peripheral side support member 53 and the outer peripheral side support member 54, and rotate around the barrel axis. The four support portions 57 of the inner peripheral side support member 53 are provided in the overlapping portions separately in a state of being relatively rotated.

In each of the first intermediate support member 43a, the second intermediate support member 43b, and the third intermediate support member 43c, the fixing portion 59 is used to support the outer peripheral side support member 54 by the inner peripheral side support member 53. Although it is connected to the support portion 57, it is connected by performing a connection operation as follows.

The handling body support shaft 19 and the outer peripheral side support member 54 are relatively moved in the front-rear direction. That is, the inner peripheral side support member 53 and the outer peripheral side support member 54 are relatively moved so that the inner peripheral side support member 53 passes through the through hole 58 of the outer peripheral side support member 54 from the rear side to the front side. When the inner peripheral side support member 53 is located on the front side of the outer peripheral side support member 54, the inner peripheral side support member 53 and the outer peripheral side support member 54 are relatively rotated to form four support portions 57 of the inner peripheral side support member 53. , The four fixing portions 59 of the outer peripheral side support member 54 are overlapped separately. By attaching connecting bolts to the overlapping support portion 57 and the fixing portion 59 and fixing the fixing portion 59 to the support portion 57, the outer peripheral side support member 54 is connected to the inner peripheral side support member 53.
When the outer peripheral side support member 54 is removed from the inner peripheral side support member 53, the removal operation is performed in the reverse procedure of the connection operation procedure.

[About the configuration of the front support member 41]
As shown in FIG. 2, the front support member 41 is detachably supported by the inner peripheral side support member 60 supported by the handling body support shaft 19 and the inner peripheral side support member 60, and supports the front split handling teeth. An outer peripheral side support member 61 that supports the member 45a at the outer peripheral side portion is provided.

Specifically, the inner peripheral side support member 60 has the same configuration as the inner peripheral side support member 53 of the intermediate support member 43. A handling barrel support shaft 19 is inserted into the central portion of the outer peripheral side support member 61, and a circular through hole having a hole diameter smaller than the outer diameter of the inner peripheral side support member 53 is formed. The inner peripheral side support member 60 and the outer peripheral side support member 61 are in a state where the central portion of the connecting portion 56 of the inner peripheral side support member 60 enters the through hole of the outer peripheral side support member 61, and the inner peripheral side support member The outer peripheral portion of the 60 is connected by a connecting bolt in a state of being in contact with the rearward side surface of the outer peripheral side support member 61.

[About the configuration of the rear support member 42]
As shown in FIG. 2, the rear support member 42 is detachably supported by the inner peripheral side support member 62 supported by the handling body support shaft 19 and the inner peripheral side support member 62, and is supported by the rear split handling teeth. An outer peripheral side support member 63 that supports the support member 45b at the outer peripheral side portion is provided.

Specifically, the inner peripheral side support member 62 is fitted onto the handling body support shaft 19 at a connecting hole formed in the central portion, and is welded to the handling body support shaft 19 around the connecting hole. The outer peripheral shape of the inner peripheral side support member 62 is formed in a circular shape. The handling body support shaft 19 is inserted into the central portion of the outer peripheral side support portion 63, and a through hole having a hole diameter smaller than the outer diameter of the inner peripheral side support member 62 is formed. The inner peripheral side support member 62 and the outer peripheral side support member 63 are connected by connecting bolts in a state where the outer peripheral portion of the inner peripheral side support member 62 is in contact with the forward side surface of the outer peripheral side support member 63.

[Another Embodiment]
(1) FIG. 7 is a cross-sectional view showing a connecting portion 156 having another implementation structure. In the connecting portion 156 having another implementation structure, the connecting portion 156 is separated from the support portion 57 in the direction along the handling cylinder support shaft 19 by providing a bent portion at the center of the inner peripheral side support member 53. It is formed in a shape that extends to one weld point W.

(2) FIG. 8 is a front view showing an intermediate support member 143 having another implementation structure. In the intermediate support member 143 having another implementation structure, the inner peripheral side support member 153 supported by the handling body support shaft 19 and the inner peripheral side support member 153 are detachably supported, and the front side split handling tooth support member 45a and It is provided with an outer peripheral side support member 154 that supports the rear side split handling tooth support member 45b.

The outer peripheral side support member 154 is configured to be separable in the radial direction of the handling processing unit 40. Specifically, the outer peripheral side support member 154 is configured to be able to be divided into two divided outer peripheral side support members 154a by the dividing line L. In this way, when the outer peripheral side support member 154 is configured to be separable in the intermediate support member 143, the outer peripheral side support member can also be handled and divided in the radial direction of the processing unit 40 in the front support member 41 and the rear support member 42 as well. Configure to. In each of the front support member 41, the intermediate support member 143, and the rear support member 42, the outer peripheral side support member 154 is divided into the divided outer peripheral side support members 154a, and the inner peripheral side support member 153 is handled from the inner peripheral side support member 153 to the outside in the radial direction. It can be removed toward the inside, or attached to the inner peripheral side support member 153 from the radial outside of the handling processing unit 40.

(3) In the above-described embodiment, an example in which a four-sided shape is adopted as a non-circular shape of the outer peripheral shape of the inner peripheral side support member 53 and the shape of the through hole 58 of the outer peripheral side support member 54 is shown. However, it is not limited to this. For example, a rectangular shape, a polygonal shape, an oval shape, an elliptical shape, or the like can be adopted.

(4) In the above-described embodiment, an example is shown in which the front split-handle support member 45a and the rear split-handle support member 45b are configured to have equal front-rear lengths, but the present invention is not limited to this. For example, the position corresponding to the first intermediate support member 43a or the position corresponding to the third intermediate support member 43c is set at the split portion of the handle tooth support member, for example, the front side split handle tooth support member 45a and the rear side. The split tooth support member 45b may be configured to have different lengths.

(5) In the above-described embodiment, an example in which three intermediate support members 43 are provided is shown, but two or less or four or more intermediate support members 43 may be provided.

(6) In the above-described embodiment, an example is shown in which each of the front support member 41, the intermediate support member 43, and the rear support member 42 is configured to be separable into an inner peripheral side support member and an outer peripheral side support member. , It may be configured indivisible.

(7) In the above-described embodiment, an example is shown in which the front support member 41, the intermediate support member 43, and the rear support member 42 connected to the handling body support shaft 19 by welding are adopted, but the handling is not limited to this. It may be connected to the trunk shaft 19 by a connecting bolt or the like. Further, in the case of those connected by welding, the connecting portion is not limited to a shape extending to two welded portions, and may have any shape.

(8) In the above-described embodiment, the rear support member 42 having an outer diameter smaller than the outer diameter of the intermediate support member 43 has been adopted, but the present invention may be limited to this. For example, the outer diameter of the intermediate support member may be equal to the outer diameter of the rear support member, or the outer diameter of the rear support member may be larger than the outer diameter of the intermediate support member.

The present invention is not limited to a handling cylinder provided with only a bar-shaped handling processing unit in addition to the scraping portion, but the drum-shaped handling processing unit and the rust-handled tooth-shaped handling processing unit are matched to the bar-shaped handling processing unit. It can be applied to the handling barrel provided.

18 Handling room 19 Handling body support shaft 30 Scratching part 40 Handling processing part 41 Front support member
42 Rear support member 43b Intermediate support member 44 Handling tooth 45a Front split handling tooth support member 45b Rear split handling tooth support member 46a Arrangement pitch 46b Arrangement pitch 53 Inner peripheral side support member of intermediate support member 54 Outer peripheral side of intermediate support member Support member 56 Connecting part 57 Supporting part 58 Through hole 59 Fixed part 60 Inner peripheral side support member of front support member 61 Outer peripheral side support member of front support member 156 Connecting part 143 Intermediate support member 153 Inner support member
S1 internal space

Claims (7)

A handling cylinder support shaft that is rotatably provided in the handling chamber where the entire harvested crop is loaded in a posture along the front-rear direction of the handling chamber, and a crop that is supported by the front part of the handling cylinder support shaft and is loaded. The crops that are supported by the scraping portion that scrapes toward the rear of the handling chamber and the portion of the handling cylinder support shaft that is rearward of the scraping portion and that is scraped by the scraping portion can be handled. It is equipped with a handling processing unit for processing.
The handling processing unit includes a front support member supported by the handling cylinder support shaft, a rear support member supported by a portion of the handling cylinder support shaft on the rear side of the front support member, and the handling cylinder. An intermediate support member supported by a portion of the support shaft between the front support member and the rear support member, a state along the handling cylinder support shaft, and a distance in the circumferential direction of the handling processing portion. In the front support member, the intermediate support member, and the plurality of rod-shaped handle tooth support members supported by the rear support member in an empty state, and in each of the plurality of handle tooth support members, the handle can be handled from the handle support member. A plurality of rod-shaped handling teeth supported by the handling tooth support member in a state of protruding outward in the radial direction of the processing portion and in a state of being spaced apart in a direction along the handling body support shaft are provided. Be,
It has an internal space that allows crops to enter from the handling chamber through between the handling tooth support members.
Each of the plurality of handle tooth support members is divided into a front split handle support member located on the front side of the intermediate support member and a rear split handle support member located on the rear side of the intermediate support member. And
In the circumferential direction of the handling processing portion, the arrangement pitch of the plurality of front split handling tooth support members is the same, the arrangement pitch of the plurality of rear split handling tooth support members is the same, and the arrangement pitch of the plurality of rear split handling tooth support members is the same. The arrangement of the members is different from the arrangement of the rear split tooth support member, and all the adjacent front split tooth support members and the posterior split tooth support member are different in the circumferential direction of the handle processing portion. A handling barrel with the same spacing as . The front split-handle support member and the rear split-handle support member have the same length in the front-rear direction of the handle.
The handling cylinder according to claim 1, wherein the front split tooth support member and the rear split tooth support member can be replaced. Each of the front support member, the intermediate support member, and the rear support member is detachably supported by the inner peripheral side support member welded to the handling cylinder support shaft and the inner peripheral side support member. The handling cylinder according to claim 1 or 2, further comprising an outer peripheral side support member that supports the tooth handling support member. In the intermediate support member
A support portion for supporting the outer peripheral side support member is provided on the outer peripheral side portion of the inner peripheral side support member.
A connecting portion to be connected to the handling cylinder support shaft by welding is provided on the inner peripheral side portion of the inner peripheral side support member.
The handling cylinder according to claim 3, wherein the connecting portion is formed in a shape extending from the support portion to two welded portions separated from the support portion in a direction along the handling cylinder support shaft. The outer peripheral side support member has a through hole through which the handling body support shaft and the inner peripheral side support member are inserted.
The outer peripheral shape of the inner peripheral side support member is formed into a non-circular shape similar to the shape of the through hole.
A portion of the outer peripheral side support member that overlaps with the support portion in a state where the inner peripheral side support member is passed through the through hole and the inner peripheral side support member and the outer peripheral side support member are relatively rotated. The handling cylinder according to claim 4, further comprising a fixing portion fixed to the support portion. In the front support member, the intermediate support member, and the rear support member,
The handling cylinder according to claim 3 or 4, wherein the outer peripheral side support member is configured to be separable in the radial direction of the handling processing portion. The handling body according to any one of claims 1 to 6, wherein the outer diameter of the rear support member is smaller than the outer diameter of the intermediate support member.

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