JP2015065872A - Combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To rationally configure a combine harvester having a safety frame corresponding to a machine body constitution.SOLUTION: A combine harvester comprises: a first rear column part 31R on one transverse side at the back of a driver's seat 12; a first upper frame part 31T extending to the front side at the upper end of the first rear column part 31R and on the upper side of the driver's seat 12; and a first front column part 31F extending downward from the front end of the first upper frame part 31T. Further comprised are: a second rear column part 32R at the back of the driver's seat 12 and on the other side of the transverse direction; a second upper frame part 32T extending to the front side of the driver's seat 12 on the upper side of the second rear column part 32R; and a second front column part 32F extending downward from the front end of the second upper frame part 32T.

Description

  The present invention relates to a combine provided with a cutting unit, a threshing unit, a grain tank, a driving seat, and a safety frame on a traveling machine body.

  As a combine configured as described above, Patent Document 1 describes a configuration in which a safety frame is provided behind a driver seat. In this patent document 1, the safety frame is a gate type in which a lower end portion is fixed to a front plate of a grain tank (a storage tank in the document) behind a driver seat, and an intermediate frame portion extending in the lateral direction at the upper part. The part is formed with a recess for supporting a swiveling cylinder for discharging the grain from the grain tank.

  In this Patent Document 1, when the swivel tube is swung at a low height, the swirl tube is brought into contact with the safety frame, thereby preventing contact with the driver during the turn and ensuring safety. Further, in this configuration, since the upper end of the safety frame is at a level that protects the driver, the driver can be protected when the traveling machine body falls.

  Moreover, in patent document 2, a driver's seat is arrange | positioned in the front part of a grain tank (literature tank in literature), and a pair of support | pillar which supports the canopy roof above a driver's seat is arrange | positioned in the front of a grain tank. Yes. The pair of struts reinforce each other and are also configured to serve as a safety frame.

  Although it is not a combine, Patent Document 3 includes a single front strut disposed in front of the driver seat and has a pair of left and right rear struts disposed rearward of the driver seat. A safety frame (in the literature, a driver's seat protection frame) including a roof frame disposed above is shown.

No. 04-44046 Japanese Utility Model Publication No. 05-42063 JP 2013-64323 A

  Even in harvesting operations with a combine, in a work environment where the inclined surface is in a posture that goes down to the outside of the field, the traveling body may fall over when the traveling body moves to the outside of the field, and a safety frame that protects the driver The installation of is desired.

  Taking a self-detaching combine as an example, a cutting unit is provided at the front end of the traveling machine body, and a threshing device to which cereals harvested by this cutting part are supplied is provided on one of the left and right sides of the traveling machine body. A grain tank is provided in a parallel position. This grain tank also employs many configurations that have improved maintainability by swinging about a longitudinally oriented axial center at the rear end position.

  An engine is arranged on the front side of the grain tank, a driver seat is provided on the upper surface of the bonnet that covers the engine, and a control tower is arranged in front of the driver seat. In addition, a deck is disposed below the front position of the driver seat, and the deck gets on and off from the side opposite to the threshing device.

  Although the safety frame has a simple configuration, it is desirable to firmly protect the space where the driver exists. Further, considering a configuration including a safety frame in the combine having the above-described configuration, it is difficult to simply connect the lower end portion of the support to the traveling machine body, and a configuration that firmly supports the safety frame is desired.

  An object of the present invention is to rationally configure a combine equipped with a safety frame corresponding to the airframe configuration.

A feature of the present invention is a combine provided with a cutting unit, a threshing unit, a grain tank, a driver seat, and a safety frame on a traveling machine body,
The safety frame is connected to the upper part of the first rear strut portion disposed behind the driver seat and the upper portion of the first rear strut portion, on one side in the left-right direction with respect to the driver seat, and above the driver seat. And a first upper frame portion extending to the front side.

According to this configuration, the first upper frame portion connected to the upper portion of the first rear strut portion disposed behind the driver seat is disposed on either the left or right side of the driver seat in plan view. In this configuration, since the first upper frame portion positioned above the driver seated on the driver seat can be firmly supported by the first rear support column, for example, even if the traveling machine body falls down, the driver seat It is possible to protect the driver seated on the first upper frame portion. Moreover, since it can be set as the integral structure which a 1st back support | pillar part and a 1st upper frame part connect, high intensity | strength is obtained.
Therefore, the combine provided with the safety frame corresponding to the structure of the combine was rationally configured.

  In a side view, the present invention provides a driving space for a driver sitting on the driver seat in a region below a virtual straight line connecting the front end of the first upper frame portion and the upper surface of the front panel in front of the driver seat. It may be formed.

  According to this, for example, when the traveling machine body falls, at least one of the panel, the first upper frame part, and the first rear strut part comes first with respect to the ground, the wall surface, or the like depending on the posture of the traveling machine body. Will be in contact. This is because even when the ground or wall surface is relatively close to the driver seated on the driver's seat due to the traveling body falling down, the ground or wall surface is driven by the first upper frame part and the first rear strut part. The inconvenience of contacting the driver is prevented, and the driver existing in the driving space can be reliably protected.

  In the present invention, the safety frame may include a first front strut portion that is continuous with the front end side of the first upper frame portion and extends downward on the front side of the driver seat.

  According to this, the first rear strut portion, the first upper frame portion, and the first front strut portion are integrated, and the strength of the safety frame can be increased.

  In the present invention, a lower end portion of the first front strut portion may be supported by a deck below the driver seat.

  According to this, by supporting the lower end of the first front strut portion with respect to the deck that is firmly formed below the driver's seat, it is also possible to increase the support strength of the first upper frame portion that is connected thereto.

  In the present invention, the first rear strut portion, the first upper frame portion, and the first front strut portion are arranged on the outer end side in the left-right direction with respect to the driver seat in the traveling aircraft body. Also good.

  According to this, even if the traveling machine body falls with the outer end side down, the driver can be protected by the first rear strut portion, the first upper frame portion, and the first front strut portion.

  In the present invention, the first front strut portion may be disposed at a position overlapping the control tower in front of the driver seat in a side view.

  According to this, when the driver gets in the direction of the driver's seat from the outside position of the traveling machine body or when moving to the outside from the outside position of the traveling machine body, the first front strut portion is not hindered and it is easy to get on and off. To do.

  In the present invention, the safety frame has a second support column portion that is connected to the first rear support column portion or the first upper frame portion on the opposite side of the first rear support column portion in the left-right direction with respect to the driver seat. It may be arranged.

  According to this, the first rear strut portion, the first upper frame portion, and the second strut portion are arranged in such a manner as to be distributed to the left and right positions behind the driver seat, and the safety frame can be formed more firmly.

  In the present invention, the second support column is disposed behind the driver seat in a position parallel to the first rear support column in the lateral direction. The second support column, the first rear support column, May be connected by a rear connecting frame portion.

  According to this, the relative positional relationship between the second support column portion and the first rear support column portion is held by the rear connection frame portion, and the strength of the safety frame can be increased.

  In the present invention, the safety frame is connected to the upper part of the second support column part and extends to the front side, and the safety frame is connected to the front end side of the second upper frame part and extends downward on the front side of the driver seat. 2 front struts may be provided.

  According to this, the first upper frame portion and the second upper frame portion are arranged in a position parallel to the upper side of the driver seat, and a space for ensuring the safety of the driver seated on the driver seat is ensured. Is possible.

  In the present invention, the safety frame may include an upper connecting frame portion in a lateral orientation that connects the first upper frame portion and the second upper frame portion.

  According to this, the first upper frame part and the second upper frame part are connected by the upper connection frame part, and the strength of the safety frame is further improved.

In the present invention, the first rear strut portion and the first upper frame portion are disposed on the outer end side in the left-right direction with respect to the driver seat, in the traveling aircraft body,
A lower end portion of the second front strut portion may be supported by a front panel of a control tower in front of the driver seat.

  According to this, even if the traveling machine body falls with the outer end side down, the driver can be protected by the first rear strut portion, the first upper frame portion, and the first front strut portion. Moreover, by supporting the lower end portion of the second front strut portion on the front panel, it is possible to increase the support strength of the second upper frame portion.

According to the present invention, the safety frame is connected to a front end side of the first upper frame portion, extends downward on the front side of the driver seat, and a lower end portion thereof is supported by a deck below the driver seat. Part
A horizontally long panel frame may be supported on the front panel, and a lower end portion of the second front strut portion may be coupled to the panel frame, and an intermediate portion of the first front strut portion may be coupled.

  According to this, the lower end portion of the first front strut portion is supported on the deck to increase the support strength of the first upper frame portion, and the lower end portion of the second front strut portion is connected to the panel frame. By connecting the middle part of the first front strut to the frame, it is possible to maintain the relative positional relationship between the first front strut and the second front strut and further improve the strength of the safety frame. It becomes.

  In the present invention, a lower end portion of the second support column portion may be supported by a cleaner case that houses an air cleaner at a rear position of the driver seat.

  According to this, since the lower end portion of the second support column portion is supported by using the cleaner case disposed relatively close to the driver's seat, it is possible to improve the driver's protection performance while reducing the size of the entire safety frame. It becomes possible.

  In the present invention, a lower end portion of the first rear strut portion may be supported by a cleaner case that houses an air cleaner at a rear position of the driver seat.

  According to this, since the lower end portion of the first rear support column is supported using the cleaner case disposed relatively close to the driver's seat, the overall safety frame is reduced in size and the driver's protection performance is improved. Is possible.

  In the present invention, the second support column portion is disposed on the side opposite to the first rear frame portion in the left-right direction with respect to the driver seat, and on the side of the driver seat. You may provide the 2nd horizontal frame part connected with the said 1st upper frame part which continues in a row in the horizontal direction.

  According to this, the first rear strut portion disposed behind the driver seat, the second upper frame portion disposed above the driver seat, and driving on the opposite side of the first rear strut portion with respect to the driver seat. It is possible to protect the driver sitting on the driver's seat by the second support column disposed on the side of the seat.

  In the present invention, a lower end portion of the second support column portion may be supported by a body frame on a side of the driver seat.

  According to this, the strength of the safety frame can be further increased by supporting the lower end portion of the second support column portion on the body frame.

  In the present invention, the first rear strut portion may be coupled to a machine body frame behind the grain tank.

  According to this, even if the combine has a configuration in which there is no space that can support the lower end portion of the second support column at a position close to the driver seat behind the driver seat, the lower end portion of the first rear support column is firmly It becomes possible to support.

  According to the present invention, an engine bonnet that houses an engine is supported by a traveling machine body so as to be freely opened and closed by swinging about an opening and closing shaft core in a front-and-back orientation, and the safety frame is disposed at a position that does not interfere with the engine bonnet. Also good.

  According to this, even in a combine in which the engine bonnet is configured to be freely opened and closed, a safety frame can be easily provided.

  In the present invention, the grain tank may be supported so as to be swingable about a swinging shaft core in a vertically oriented posture, and the safety frame may be disposed at a position that does not interfere with swinging of the grain tank. .

  According to this, even in the combine in which the grain tank is swingably supported, the safety frame can be easily provided.

It is a right view of the combine of 1st Embodiment. It is a top view of the combine of 1st Embodiment. It is a front view of the combine of 1st Embodiment. It is a left view of the safety frame of 1st Embodiment. It is a top view of the safety frame of a 1st embodiment. It is a front view of the safety frame of a 1st embodiment. It is a top view which shows the structure of the safety frame of 1st Embodiment. It is a front view which shows the structure of the safety frame of 1st Embodiment. It is a rear view which shows the structure of the safety frame of 1st Embodiment. It is a front view which shows the engine bonnet of an open state in 1st Embodiment. It is a perspective view of the safety frame of a 1st embodiment. It is a right view of the combine of 2nd Embodiment. It is a top view of the combine of 2nd Embodiment. It is a front view of the combine of 2nd Embodiment. It is a left view of the safety frame of 2nd Embodiment. It is a top view of the safety frame of a 2nd embodiment. It is a front view of the safety frame of 2nd Embodiment. It is a front view which shows the engine bonnet of an open state in 2nd Embodiment. It is a perspective view of the safety frame of a 2nd embodiment. It is a right view which shows the basic composition of the safety frame of another embodiment (a).

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[First Embodiment / Overall Configuration of Combine]
As shown in FIG. 1 to FIG. 5, a cutting unit 3 is provided at the front end of a traveling machine body 2 that travels by a pair of left and right crawler traveling devices 1, and a threshing unit 4 and a grain tank 5 are provided with respect to the traveling machine body 2. And an unloader 6, a driving part C is provided at the front position of the grain tank 5 of the traveling machine body 2, and a safety frame S that protects the driver of the driving part C is provided to constitute a self-removing combine. ing.

  Although this embodiment shows a self-removing combine, the combine may be a normal combine.

  This combine supports the cutting part 3, the threshing part 4, the grain tank 5, and the unloader 6 with respect to the machine body frame 2F, and the engine E and the radiator ER are installed in the internal space of the engine bonnet 11. Contained. During the harvesting operation, the crawler traveling device 1 is driven by the driving force of the engine E to cause the traveling machine body 2 to travel, and the cutting unit 3 is driven in synchronization with the traveling speed, and the threshing unit 4 is driven at a predetermined speed. As a result, the reaping part 3 cuts the cereals, conveys the reaped cereals to the threshing part 4, performs the threshing process, selects the grains from the processed product obtained by the threshing process, and the grain tank. The operation of storing in 5 is automatically performed.

  The mowing unit 3 has a plurality of pulling devices 3A, cuts the stock of the culm caused by each pulling device 3A, and conveys it to the threshing unit 4 in a sideways posture by the transport mechanism 3B. The threshing unit 4 supplies the tip portion of the harvested cereal rice cake from the harvesting unit 3 to the handling room, performs the handling process, sorts the processed product from the handling room, sorts the grain, and supplies it to the grain tank 5 Then, the sawdust and the like separated from the grain by sorting is discharged from the rear end of the threshing unit 4.

  The grain tank 5 is configured to store the grain supplied from the threshing unit 4. The unloader 6 is swingable about a vertical screw conveyor 6A arranged coaxially with the turning axis Y in the vertical orientation and a lifting axis Z in a horizontal orientation with respect to the upper end portion of the vertical screw conveyor 6A. It is comprised with the provided horizontal screw conveyor 6B.

  The unloader 6 functions to carry out the grains stored in the grain tank 5 and discharges the grains by swinging around the swing axis that is coaxial with the pivot axis Y. The direction can be arbitrarily set, and the discharge height from the front end of the horizontal screw conveyor 6B can be arbitrarily set by swinging around the lifting axis Z.

  Moreover, this combine is provided with the support frame 7 which supports the horizontal screw conveyor 6B of the unloader 6 in the retracted posture shown in FIGS. Furthermore, the grain tank 5 is supported in a swingable manner in such a manner that the front end side is drawn outward with the pivot axis Y as the center, as indicated by phantom lines in FIG.

[Operation section]
The driver C includes a driver seat 12 provided on the upper surface of the engine bonnet 11, a deck 13 on which an operator is boarded below the driver seat 12, a control tower 14 in front of the driver seat 12, and the control A front panel 15 on the top surface of the tower 14 and a side panel 17 on the left side of the driver's seat 12 are provided. The driver's seat 12 is provided with a seat belt 12A that restrains the driver who is seated.

  The front panel 15 is provided with a control lever 16 in addition to the meter. The side panel 17 is provided with a plurality of operation levers 18 for setting the traveling speed and controlling the clutches for harvesting work.

  In particular, the operation unit C has an intermediate position between the engine bonnet 11 and the front panel 15 opened to the outer end side in the left-right direction (right side in the figure). It is possible.

  An air cleaner 22 is housed inside the cleaner case 21 behind the driver seat 12 and in front of the grain tank 5. The cleaner case 21 is supported by the body frame 2F and has a reinforcing frame inside and is manufactured with high strength. Further, a pre-cleaner 24 is provided at the upper end of a cylindrical body 23 that passes through the upper surface of the cleaner case 21 from the air cleaner 22.

  An intake case 25 having a height reaching the outer end side of the cleaner case 21 is provided on the outer end side of the engine bonnet 11. A dust proof net 25A is stretched in the intake case 25, and the air sucked through the dust proof net 25A is supplied to the radiator ER of the engine E.

  The engine bonnet 11 is supported at the lower part on the outer end side of the traveling machine body 2 so as to be swingable with respect to the machine body frame 2F around the opening / closing axis P in a posture along the front-rear direction. With this configuration, the engine bonnet 11 and the intake case 25 are integrally swung around the opening / closing axis P, so that the upper part of the engine E is largely opened as shown in FIG. It is configured as follows.

  The opening / closing axis P of the engine bonnet 11 is not limited to the posture along the front-rear direction, and may be set to a vertical posture at the rear end position on the outer end side of the engine bonnet 11, for example. Even in such a configuration, the upper part of the engine E can be largely opened by swinging the engine bonnet 11 and the intake case 25 about the opening / closing axis P.

[Safety frame]
As shown in FIGS. 3 to 11, the safety frame S includes a first rear strut portion 31R, a first upper frame portion 31T, a first front strut portion 31F, and a second rear strut portion 32R (second strut portion). 1), a second upper frame portion 32T, a second front strut portion 32F, a rear connection frame portion 33, and an upper connection frame portion 34 as basic strength members.

  The first rear strut portion 31R is arranged in a vertical orientation behind the driver seat 12. The first upper frame portion 31T is arranged so as to be connected to the upper side of the first rear strut portion 31R and extend to the front side above the driver seat 12. The first front strut portion 31F is arranged in a vertically oriented posture that continues to the front end of the first upper frame portion 31T and extends downward on the front side of the driver seat 12.

  In this combine, the position at which the driver gets on and off the driving unit C (driver seat 12) is set on the outer end side on the right side of the traveling machine body 2. The first rear strut portion 31R, the first upper frame portion 31T, and the first front strut portion 31F are integrally formed by bending or welding a round pipe material. It is arranged on the right outer side of the traveling machine body 2 on the right side as a reference.

  The lower end portion of the first rear strut portion 31R is supported on the upper surface of the cleaner case 21, as will be described later.

  Further, the first front strut portion 31 </ b> F is disposed at a position overlapping the control tower 14 in a side view, and a lower end portion is fixed to the deck 13. Specifically, the first front column part 31F is disposed at a position penetrating the control tower 14 vertically. Accordingly, the driver can get on and off the driving unit C (the driving seat 12) without being obstructed by the first front support column 31F.

  In particular, in the safety frame S, as shown in FIG. 1, in a side view, the driving is performed in a region below a virtual straight line T connecting the front end of the first upper frame portion 31 T and the upper surface of the front panel 15 in front of the driver seat 12. A driving space for a driver seated on the seat 12 is formed.

  The second rear strut portion 32R is arranged in a vertical orientation behind the driver seat 12. The second upper frame portion 32T is arranged in such a manner as to be connected to the upper side of the second rear column portion 32R and extend to the front side above the driver seat 12. The second front strut portion 32F is arranged in a vertically oriented posture that continues to the front end of the second upper frame portion 32T and extends downward on the front side of the driver seat 12.

  The second rear strut portion 32R, the second upper frame portion 32T, and the second front strut portion 32F are integrally formed by bending or welding a round pipe material. It is arranged on the left side with reference. The material of the frame part constituting the safety frame S is not limited to the round pipe material, and a square pipe material, an angle material, a channel material, etc. can be used.

  The second rear strut portion 32R is disposed in parallel with the first rear strut portion 31R, the second upper frame portion 32T is disposed in parallel with the first upper frame portion 31T, and the second front strut portion 32F is the first front strut portion. It is arranged in parallel with 31F.

  Further, the lower end portion of the first rear support column portion 31R and the lower end portion of the second rear support column portion 32R are connected by the rear connection frame portion 33, and the rear connection frame portion 33 is connected to the cleaner via a pair of left and right brackets 41. The upper surface of the case 21 is supported. A cross-sectional inverted U-shaped strength member 41 a that connects the lower ends of the left and right brackets 41 is fitted to the cleaner case 21 from above. An internal reinforcing frame 21 a is provided at a position close to the outer end side (in the intake case 25 side) inside the cleaner case 21. In particular, the cleaner case 21 and the internal reinforcing frame 21a are fixed to the upper part of the engine frame EF that constitutes a space for accommodating the engine E.

  A rear reinforcing frame 35 that connects the intermediate portion of the first rear support column portion 31R and the intermediate portion of the second rear support column portion 32R is provided above the rear connection frame portion 33.

  In particular, in the present invention, the rear connection frame portion 33 is not provided, and the lower end portion of the first rear strut portion 31R and the lower end portion of the second rear strut portion 32R are directly with respect to the upper surface of the cleaner case 21. It may be a supported configuration. Moreover, the structure by which the lower end part of this 1st rear support | pillar part 31R and the lower end part of the 2nd rear support | pillar part 32R are directly supported with respect to the body frame 2F may be sufficient.

  Further, the second upper frame portion 32T and the first upper frame portion 31T are connected by a pair of upper connection frame portions 34, and a roof panel 36 is provided at a position covering the upper surfaces thereof. The roof panel 36 is made of a metal plate or a resin plate. Further, when the roof panel 36 is of high strength, the upper connection frame portion 34 may be used by the roof panel 36 without using the upper connection frame portion 34. Note that the safety frame S may be configured without the roof panel 36.

  A panel frame 37 is provided at a position of the front panel 15 in a sideways posture. A lower end portion of the second front strut portion 32F is connected to an upper surface on the left side of the panel frame 37, and a right end portion of the panel frame 37 is connected. On the other hand, the intermediate part of the first front support part 31F is connected. The panel frame 37 is supported by the front end of the side panel frame 17a that extends in the front-rear direction of the body and supports the side panel 17 from below. In addition, the lower end part of the second front column part 32F may be directly supported by the upper part of the control tower 14 or the front panel 15.

[Operations and effects of the first embodiment]
As in the first embodiment, the right-side structure integrally formed by the first rear strut portion 31R, the first upper frame portion 31T, and the first front strut portion 31F, and the second rear strut portion 32R and the first 2 The driver's seat 12 can be protected from the front, rear, left, and right directions by the left structure integrally formed by the upper frame portion 32T and the second front strut portion 32F. Thereby, even if the traveling machine body 2 falls down and the ground, the wall surface, or the like may approach the driving unit C from any direction, a part of the safety frame S comes into contact with the ground, the wall surface, or the like. Thus, it is possible to prevent the driver sitting on the driver's seat 12 from coming into direct contact with the ground or the wall surface.

  In particular, as compared with a combine equipped with a cabin in the driving unit C, it is possible to suppress the increase in size and weight of the driving unit C, and to ensure the safety of the driver while being inexpensive.

  Like the combine of the first embodiment, the cleaner case 21 is effectively supported by supporting the lower end portion of the first rear strut portion 31R and the lower end portion of the second rear strut portion 32R on the upper surface of the cleaner case 21. Utilizing this, the first and second rear struts 31R and the second rear struts 32R are shortened in the vertical direction, and the complexity of the respective support structures is suppressed. Further, the swinging of the engine bonnet 11 around the opening / closing axis P and the swinging of the grain tank 5 around the turning axis Y can be performed without any trouble.

  In the safety frame S having this configuration, the lower end portion of the second front strut portion 32F is coupled to the panel frame 37, and the intermediate portion of the first front strut portion 31F is coupled to the panel frame 37. The vertical dimension of the front column 32F can be shortened. Moreover, even if the first front strut portion 31F is relatively long, the intermediate portion of the first front strut portion 31F is connected to the lower end portion of the second front strut portion 32F by the panel frame 37, so that the strength can be improved. It becomes.

  The safety frame S configured in this way can also suppress the operation of the horizontal screw conveyor 6B entering the space of the operation unit C when the unloader 6 is turned around the turning axis Y. It becomes.

[Second Embodiment / Overall Configuration of Combine]
As shown in FIG. 12 to FIG. 14, a cutting unit 3 is provided at the front end of a traveling machine body 2 that travels by a pair of left and right crawler traveling devices 1, and a threshing unit 4 and a grain tank 5 are provided with respect to the traveling machine body 2. And an unloader 6, a driving part C is provided at the front position of the grain tank 5 of the traveling machine body 2, and a safety frame S that protects the driver of the driving part C is provided to constitute a self-removing combine. ing.

  The combine of the second embodiment is smaller than the combine of the first embodiment, and the basic configuration is the same as that of the first embodiment except that the configuration of the safety frame S is different from that of the first embodiment. The harvesting operation is also performed in the same manner as described in the first embodiment.

  The mowing unit 3 has a plurality of pulling devices 3A, cuts the stock of the culm caused by each pulling device 3A, and conveys it to the threshing unit 4 in a sideways posture by the transport mechanism 3B. The threshing unit 4 supplies the tip portion of the harvested cereal rice cake from the harvesting unit 3 to the handling room, performs the handling process, sorts the processed product from the handling room, sorts the grain, and supplies it to the grain tank 5 Then, the sawdust and the like separated from the grain by sorting is discharged from the rear end of the threshing unit 4.

  The grain tank 5 is configured to store the grain supplied from the threshing unit 4. The unloader 6 is swingable about a vertical screw conveyor 6A arranged coaxially with the turning axis Y in the vertical orientation and a lifting axis Z in a horizontal orientation with respect to the upper end portion of the vertical screw conveyor 6A. It is comprised with the provided horizontal screw conveyor 6B.

  The unloader 6 functions to carry out the grains stored in the grain tank 5, can arbitrarily set the grain discharge direction by turning around the turning axis Y, and the lifting axis. By swinging around Z, the discharge height from the front end of the horizontal screw conveyor 6B can be arbitrarily set. In this unloader 6, the horizontal screw conveyor 6 </ b> B is configured to be divided into two parts and can be folded as shown in FIG. 13.

  Moreover, this combine is provided with the support frame 7 which supports the horizontal screw conveyor 6B of the unloader 6 in the retracted posture shown in FIGS. Furthermore, the grain tank 5 is supported in a swingable manner in such a manner that the front end side is drawn outward with the pivot axis Y as the center.

[Operation section]
Also in the second embodiment, the driving unit C includes a driving seat 12 provided on the upper surface of the engine bonnet 11, a deck 13 on which an operator rides below the driving seat 12, and a forward position of the driving seat 12. A control panel 14, a front panel 15 on the upper surface of the control tower 14, and a side panel 17 on the left side of the driver's seat 12. The driver's seat 12 is provided with a seat belt 12A that restrains the driver who is seated.

  The front panel 15 is provided with a control lever 16 in addition to the meter. The side panel 17 is provided with a plurality of operation levers 18 for setting the traveling speed and controlling the clutches for harvesting work.

  In the operation part C, an intermediate position between the engine bonnet 11 and the front panel 15 is open to the outer end side (right side in the figure), and the operation part C can be boarded and alighted from the outer end side.

  An intake case 25 is provided on the outer end side of the engine bonnet 11. A dust proof net 25A is stretched in the intake case 25, and the air sucked through the dust proof net 25A is supplied to the radiator ER of the engine E.

  The engine bonnet 11 is supported at the lower part on the outer end side of the traveling machine body 2 so as to be swingable with respect to the machine body frame 2F around the opening / closing axis P in a posture along the front-rear direction. With this configuration, the engine bonnet 11 and the intake case 25 are integrally swung around the opening / closing axis P, so that the upper part of the engine E is largely opened as shown in FIG. .

  The opening / closing axis P of the engine bonnet 11 is not limited to the posture along the front-rear direction, and may be set to a vertical posture at the rear end position on the outer end side of the engine bonnet 11, for example. Even in such a configuration, the upper part of the engine E can be largely opened by swinging the engine bonnet 11 and the intake case 25 about the opening / closing axis P.

[Safety frame]
As shown in FIGS. 15 to 19, the safety frame S includes a first rear strut portion 31R, a first upper frame portion 31T, a first front strut portion 31F, and a second horizontal strut portion 32S (second strut portion). And the second horizontal frame portion 32U as basic strength members.

  The first rear strut portion 31R is arranged in a vertical orientation behind the driver seat 12. The first upper frame portion 31T is arranged so as to be connected to the upper side of the first rear strut portion 31R and extend to the front side above the driver seat 12. The first front strut portion 31F is arranged in a vertically oriented posture that continues to the front end of the first upper frame portion 31T and extends downward on the front side of the driver seat 12.

  In this combine, the position at which the driver gets on and off the driving unit C (driver seat 12) is set on the outer end side on the right side of the traveling machine body 2. The first rear column portion 31R, the first upper frame portion 31T, and the first front column portion 31F are formed by bending or welding a round pipe material, and these are based on the driver seat 12. On the right side, it is arranged on the outer end side on the right side of the traveling machine body 2. The material of the frame portion constituting the safety frame S is not limited to a round pipe material, and a square pipe material, an angle material, a channel material, or the like can be used.

  A lower end portion of the first rear strut portion 31 </ b> R is supported by the machine body frame 2 </ b> F at the rear position of the grain tank 5. The first upper frame portion 31T connected to the upper portion of the first rear strut portion 31R is disposed at an upper position of the grain tank 5.

  Further, the first front strut portion 31 </ b> F is disposed at a position overlapping the control tower 14 in a side view, and a lower end portion is fixed to the deck 13. Specifically, the first front strut portion 31F is arranged in an up and down posture at a position outside the control tower 14. Accordingly, the driver can get on and off the driving unit C (the driving seat 12) without being obstructed by the first front support column 31F.

  In particular, in the safety frame S, as shown in FIG. 12, in a side view, driving in a region below a virtual straight line T connecting the front end of the first upper frame portion 31 T and the upper surface of the front panel 15 in front of the driver seat 12. A driving space for a driver seated on the seat 12 is formed.

  The second horizontal strut portion 32S is disposed in the space on the left side of the driver seat 12, and the lower end portion is supported by the body frame 2F. The second horizontal frame portion 32U extends in the lateral direction of the traveling machine body 2 above the driver seat 12 and is connected to the first upper frame portion 31T. In addition, a second reinforcing frame portion 32M that connects the second horizontal column portion 32S and the second horizontal frame portion 32U is provided.

  In the combine of this 2nd Embodiment, as shown by the phantom line in FIG. 13, the grain tank 5 is supported so that rocking | fluctuation is possible in the form which pulls out the front end side centering on the turning axis Y. . The positions of the first rear strut portion 31R and the first upper frame portion 31T are set at positions that do not interfere with the swing.

[Operation and Effect of Second Embodiment]
As in the second embodiment, the right structure in which the first rear strut portion 31R, the first upper frame portion 31T, and the first front strut portion 31F are integrally formed, and the second horizontal strut portion 32S and the second The driver's seat 12 can be protected from the front, rear, left, and right directions by the left structure integrally formed with the upper frame portion 32T. Thereby, even if the traveling machine body 2 falls down and the ground, the wall surface or the like may approach the driving unit C from any direction, a part of the safety frame S comes into contact with the ground, the wall surface, or the like. It is possible to prevent inconvenience that the driver sitting on the driver's seat 12 directly contacts the ground or the wall surface.

  In particular, as compared with a combine equipped with a cabin in the driving section C, it is possible to ensure the safety of the driver while being inexpensive in a small combine that is basically difficult to mount the cabin as in this embodiment. It becomes.

  Even if it is a small combine like this 2nd Embodiment, the safety frame S which supported the lower end part of 31 R of 1st back support | pillar parts and the 1st front support | pillar part 31F to the body side can be comprised. In addition, with this configuration, the engine bonnet 11 can be opened / closed around the opening / closing axis P and the grain tank 5 around the turning axis Y can be moved without any trouble.

  The safety frame S configured in this way can also suppress the operation of the horizontal screw conveyor 6B entering the space of the operation unit C when the unloader 6 is turned around the turning axis Y. It becomes.

[Another embodiment]
The present invention may be configured as follows in addition to the embodiment described above.
(A) As shown in FIG. 20, the safety frame S may not include the first front strut portion 31F and the second front strut portion 32F. In this configuration, the first upper frame portion 31T and the second upper frame portion 32T are formed in a cantilever shape. However, the front end of the first upper frame portion 31T and the front front of the driver seat 12 are seen in a side view. A driving space for the driver seated on the driver seat 12 is formed in a region below the virtual straight line T connecting the upper surface of the panel 15.

  In this other embodiment (a), a side view corresponding to the first embodiment is shown, but in the safety frame S corresponding to the second another embodiment, the first upper frame portion 31T is similarly cantilevered. You may form in. Even in such a configuration, the driver seated on the driver seat 12 in a region below the virtual straight line T connecting the front end of the first upper frame portion 31T and the upper surface of the front panel 15 in front of the driver seat 12 may be used. A driving space will be formed.

(B) The lower end portion of the first front strut portion 31F is supported on the upper surface of the front panel 15. With this configuration, the first front column portion 31F can be shortened.

(C) As an improvement of the configuration of the first embodiment, one or both lower ends of the first rear strut portion 31R and the second rear strut portion 32R are connected to the body frame 2F behind the grain tank 5. . According to this structure, even if it is a combine which is not equipped with the cleaner case 21 between the driver's seat 12 and the grain tank 5, one or both of the first rear strut portion 31R and the second rear strut portion 32R. The lower end of can be supported without difficulty.

(D) As an improvement of the configuration of the first embodiment, the lower end portion of the second front strut portion 32F is supported on the deck 13 or supported on the body frame 2F. With this configuration, it is possible to further improve the support strength of the second front column portion 32F.

(E) As an improvement of the configuration of the second embodiment, the first rear strut portion 31R, the first upper frame portion 31T, and the first front strut portion 31F are arranged on the left side with respect to the driver seat 12, The second horizontal support 32S and the second horizontal frame 32U are arranged on the right side with respect to the driver seat. Even with this configuration, the safety frame S can be made to function in the same manner as the configuration of the second embodiment described above.

  The present invention can be used for a safety frame provided for a combine.

2 traveling machine body 2F machine body frame 3 reaping part 4 threshing part 11 engine bonnet 12 driver's seat 13 deck 14 control tower 15 front panel 17 panel frame 21 cleaner case 22 air cleaner 31R first rear strut part 31T first upper frame part 31F first Front strut 32R Second strut (second rear strut)
32T 2nd upper frame part 32F 2nd front support part 32S 2nd support part (2nd horizontal support part)
32U 2nd horizontal frame part 33 Rear connection frame part 34 Upper connection frame part 37 Panel frame P Opening and closing axis S Safety frame Y Swing axis (swivel axis)

Claims (19)

A combine that includes a cutting unit, a threshing unit, a grain tank, a driving seat, and a safety frame on the traveling machine body,
The safety frame is connected to the upper part of the first rear strut portion disposed behind the driver seat and the upper portion of the first rear strut portion, on one side in the left-right direction with respect to the driver seat, and above the driver seat. A combine having a first upper frame portion extending to the front side.   In a side view, a driving space for a driver sitting on the driver seat is formed in a region below a virtual straight line connecting the front end of the first upper frame portion and the upper surface of the front panel in front of the driver seat. The combine according to claim 1.   The combine according to claim 1 or 2, wherein the safety frame includes a first front strut portion that is continuous with a front end side of the first upper frame portion and extends downward on the front side of the driver seat.   The combine of Claim 3 with which the lower end part of the said 1st front support | pillar part is supported by the deck under the said driver's seat.   The said 1st rear support | pillar part, the said 1st upper frame part, and the said 1st front support | pillar part are arrange | positioned in the said traveling body at the outer end side of the left-right direction on the basis of the said driver's seat. Or the combine of 4.   The combine according to claim 5, wherein the first front strut portion is disposed at a position overlapping with a control tower in front of the driver seat in a side view.   The said safety frame is provided with the 2nd support | pillar part connected with the said 1st rear support | pillar part or the said 1st upper frame part on the opposite side of the said 1st rear support | pillar part in the left-right direction on the basis of the said driver's seat. The combine according to any one of Items 1 to 6.   The second strut portion is disposed behind the driver seat at a position parallel to the first rear strut portion in a lateral direction, and the second strut portion and the first rear strut portion are connected to the rear connecting frame. The combine of Claim 7 connected by the part.   The safety frame is connected to the upper part of the second support column part and extends to the front side, and the second front support part extends to the front end side of the second upper frame part and extends downward on the front side of the driver seat. The combine of Claim 7 or 8 provided with these.   10. The combine according to claim 9, wherein the safety frame includes an upper connection frame portion in a lateral orientation that connects the first upper frame portion and the second upper frame portion. The first rear strut portion and the first upper frame portion are arranged on the outer end side in the left-right direction with respect to the driver seat in the traveling aircraft body,
The combine of Claim 9 or 10 with which the lower end part of the said 2nd front support | pillar part is supported by the front panel of the control tower ahead of the said driver's seat. The safety frame includes a first front strut portion that is connected to a front end side of the first upper frame portion and extends downward on the front side of the driver seat, and a lower end portion of which is supported by a deck below the driver seat,
12. A horizontally long panel frame is supported on the front panel, a lower end portion of the second front strut portion is coupled to the panel frame, and an intermediate portion of the first front strut portion is coupled. Combine as described.   The combine as described in any one of Claims 7-12 with which the lower end part of the said 2nd support | pillar part is supported by the cleaner case which accommodates an air cleaner in the back position of the said driver's seat.   The combine as described in any one of Claims 1-13 by which the lower end part of the said 1st back support | pillar part is supported by the cleaner case which accommodates an air cleaner in the back position of the said driver's seat.   The second strut portion is disposed on the side opposite to the first rear strut portion in the left-right direction with respect to the driver seat and on the side of the driver seat, and is connected to the upper end of the second strut portion and extends horizontally. The combine of Claim 7 provided with the 2nd horizontal frame part extended in a direction and connected with the said 1st upper frame part.   The combine of Claim 7 or 15 with which the lower end part of the said 2nd support | pillar part is supported by the body frame of the side of the said driver's seat.   The combine according to any one of claims 1 to 7, 15, and 16, wherein the first rear strut portion is connected to an airframe frame behind the grain tank.   2. An engine bonnet for housing an engine is supported by a traveling machine body so as to be freely opened and closed by swinging about an opening / closing axis center in a front-rear orientation, and the safety frame is disposed at a position where it does not interfere with the engine bonnet. The combine as described in any one of -17.   The said grain tank is supported so that rocking is possible centering | focusing on the rocking | swiveling axis center of a vertical orientation, The said safety frame is arrange | positioned in the position which does not interfere with rocking | fluctuation of the said grain tank. Combine according to any one of the above.

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