JP2013223515A - Front panel structure of harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a harvester with facilitated visual check of information displayed on a meter panel, avoiding trouble or damage of the meter panel caused by an operator leaning against the meter panel.SOLUTION: A panel supporting body B is composed of a box part 32 for storing a meter panel 9 and arranged in a separated position higher than the upper edge of a wall body A, a right arm part 33 extended from the box part 32 rightward and connected to the wall body A side, and a left arm part 34 extended from the box part 32 leftward and connected to a side panel 14 side.

Description

  The present invention relates to a front panel structure for a harvesting machine in which a front panel having a meter panel is erected on a boarding operation unit.

  In the front panel structure of the harvesting machine as described above, the driver at the boarding operation unit in order to visually confirm the state of introduction of the harvested crop to the harvesting device equipped at the front part of the traveling machine body during the harvesting work In many cases, standing work is performed by maneuvering while standing up, and a gate-shaped handle member that can be gripped as a support during the standing work stands upright on the left and right of the front panel and is stable during standing work. There are things that allow you to work in the posture. However, when the handle member as described above is provided, the handle member may cause a problem that hinders visual recognition of display information on the meter panel.

  Therefore, conventionally, as disclosed in Patent Document 1, for example, it has been considered to equip a handle member standing on an upper portion of a front panel with a meter panel.

JP-A-11-46561

  However, according to the above prior art, there is a possibility that the driver leans on the meter panel at the time of standing work. In the above prior art, the handle member is simply equipped with the meter panel. When the driver leans on the meter panel, the entire load is directly applied to the meter panel, and there is a possibility that the meter panel may be broken or damaged due to the load.

  An object of the present invention is to make it possible to avoid failure and breakage of a meter panel caused by a driver leaning on the meter panel while facilitating visual recognition of meter panel display information.

〔Constitution〕
In order to achieve the above object, according to a first aspect of the present invention, in a front panel structure of a harvesting work machine in which a front panel having a meter panel is erected on a boarding operation unit, The box is equipped with a panel support made of an arch-shaped resin molded product integrally formed with a box portion for storing the meter panel and an arm portion extending from the box portion in the left-right direction. The part was formed in a trapezoidal shape opposite to the driver whose lateral width becomes narrower toward the rear side.

[Action]
According to the first aspect of the present invention, at the time of standing work, it becomes possible to work in a stable posture by gripping the arm part, and the arm part extends in the left-right direction from the box part that houses the meter panel. Therefore, it can be avoided that the arm portion hinders the visual recognition of the display information on the meter panel.

  Further, since the meter panel is housed in the box portion, the driver can be prevented from directly leaning against the meter panel by the box portion, and the shape of the box portion is a reverse trapezoid to the driver. As a result, the load applied to the box portion by the leaning can be dispersed to the left and right and the concentration on the meter panel can be prevented.

  In addition, the panel support is a resin molded product that is lightweight and has a high degree of freedom in terms of molding, making it possible to adopt a design that can reduce the weight of the front panel, facilitate manufacturing, and improve the appearance. Become.

〔effect〕
Therefore, by installing an arch-shaped panel support at the top of the front panel, while improving workability during standing work and facilitating visual recognition of meter panel display information, Since the meter panel can be protected by the box part, it is possible to avoid failure and damage to the meter panel due to the driver's leaning, and the panel support is made of a resin molded product, making the front panel lightweight. , Facilitating manufacturing, and improving appearance.

〔Constitution〕
According to a second aspect of the present invention, in the first aspect, the panel support is blow-molded.

[Action]
According to the second aspect of the present invention, the panel support can be made lightweight while ensuring high strength. Also, when the driver leans on, the load is absorbed by the hollow portion of the box portion as a cushioning material and dispersed over a wide range, so the load on the meter panel can be further reduced. It becomes like this.

〔effect〕
Therefore, by blow-molding the panel support, the front panel can be further reduced in weight and the protection function of the meter panel that the panel support has can be improved. Panel failure and breakage can be avoided more reliably.

Overall side view of self-removing combine Plan view of boarding operation showing the shape of the box Longitudinal rear view of boarding driver (B) Front panel exploded front view (b) Front panel front view (A) Front panel exploded perspective view (B) Front panel perspective view (A) Front panel vertical side view (b) Front panel exploded vertical side view Front panel cross section Expanded surface view of panel support Expanded rear view of panel support (B) Development side view of panel support (b) Side view of panel support (A) Expanded vertical side view of panel support (B) Vertical side view of panel support Longitudinal side view showing connecting part of upper cover body and lower cover body of panel support body Transverse plan view of leg of panel support Plan view of the main part showing the layout of the combination switch Plan view of the main part showing another arrangement of the combination switch

  FIG. 1 shows an entire side view of a self-decomposing combine that is an example of a harvesting work machine. This combine is planted at the front of a traveling machine body 2 that is driven by a pair of left and right crawler traveling devices 1. The harvesting and transporting device 3, which is an example of a harvesting device that harvests and transports the standing cereal rice cake, is connected so as to be capable of driving up and down. A threshing device 4 that performs a sorting process, a grain tank 5 that stores the grain from the threshing device 4, and the like, and a screw type that discharges the grain stored in the grain tank 5 to the outside of the machine. The boarding operation part 7 is formed in the front location of the grain tank 5 in the traveling body 2.

  As shown in FIGS. 1 to 3, the boarding operation unit 7 has a front panel 11 provided with a meter panel 9, a control lever 10, and the like in front of the boarding operation unit formation portion in the body frame 8, and the boarding operation unit A side panel 14 provided with a main transmission lever 12 and a sub-transmission lever 13 is erected on the left side of the formation location, and is operated on the upper part of an engine cover 16 that covers the engine 15 and the like mounted at the rear of the boarding operation formation location. The seat 17 is provided, and a boarding step 18 is laid on a frame portion surrounded by the front panel 11, the side panel 14, and the engine cover 16 at the place where the boarding operation part is formed.

  2-6, the front panel 11 is comprised from the wall body A connected with the body frame 8, and the panel support body B connected with the upper part, and the wall body A and a panel support body are comprised. B is a blow molded resin molded product. That is, since the wall body A and the panel support B constituting the front panel 11 employ a blow molded product that is lightweight and has a high degree of freedom in molding, the weight of the front panel 11 as a whole can be reduced. At the same time, it is possible to adopt a good-looking design so that the appearance can be easily improved. In addition, by adopting a two-part structure with a wall body A and a panel support B for the front panel 11, compared with the case where the front panel 11 is formed from a single blow molded product, the molding surface is free. In addition to being able to increase the degree of accuracy, it is also possible to easily increase the surface accuracy of places that are visible to the human eye, etc., as required, so that the appearance can be further improved easily.

  As shown in FIGS. 3 to 7, the wall body A has a raised step portion a <b> 1 in which the front wall Aa is bent so that the substantially entire width of the intermediate portion protrudes forward at the intermediate portion in the height direction. In addition, a plurality of portions of the back wall Ab are locally recessed and joined to the front wall Aa so as to be provided with annular or dot-like thick portions 19 and 20 over the substantially entire area, In addition, a pair of left and right connecting portions 23 are joined to the upper portion of the side wall portions 21 and 22 so that the side wall portions 21 and 22 have a hollow shape bulging rearward. As shown in the figure, the lower end portion is further provided with a footrest portion 24 in which the back wall Ab bulges rearward so as to have a rear-falling mounting surface 24A. That is, the wall body A has a arch shape in plan view in which the left and right side edge portions 21 and 22 bulge toward the rear so that the wall body A has high rigidity, and is a raised step portion covering substantially the entire width. a1, a plurality of thick-walled portions 19 and 20, a connecting portion 23, a footrest portion 24, and the like are formed in a relatively complicated shape having a large section modulus. Further, since the footrest portion 24 is formed at the lower end portion of the boarding operation section 7, it is possible to take a more comfortable driving posture, so that the comfort of the boarding operation section 7 can be improved. Since the bonding area with respect to the frame 8 is increased, the frame 8 itself has high stability in the standing posture.

  As shown in FIGS. 3, 5, and 7, the left side edge portion 21 of the wall body A is formed with a vertically long recess 21 a into which the front end edge 14 a of the side panel 14 is engaged. Further, the rigidity of the left side edge portion 21 itself can be increased, and the wall body A and the side panel 14 can be erected with high support strength and stability by engaging the concave portion 21a with the side panel 14a. In addition to being able to be installed, it is possible to avoid deterioration in appearance due to the formation of a gap between the wall body A and the side panel 14 and unexpected intrusion of cleaning water or the like from the gap.

  As shown in FIGS. 3 and 5 to 7, the mounting surface 24 </ b> A of the footrest portion 24 in the wall body A intersects with a plurality of first groove ribs 24 a facing left and right and the first groove ribs 24 a. In addition, a plurality of second groove ribs 24b extending in the front-rear direction across the lower edge of the placement surface 24A are formed, and the slippage of the foot placed on the placement surface 24A is suppressed by these groove ribs 24a and 24b. In addition, the mud and the like that have entered each of the groove ribs 24a and 24b can be easily poured out from the rear end of the second groove rib 24b. Further, since the plurality of groove ribs 24a and 24b are formed on the mounting surface 24A of the footrest portion 24, the footrest portion 24 itself has high rigidity. The stability of the can be further improved.

  As shown in FIGS. 3 to 5, the wall body A is joined to the left side edge portion 21 which is an end portion on the cutting and conveying device 3 side in a deformable thin plate shape with the front wall Aa and the back wall Ab. The cover portion 25 is integrally formed, thereby preventing the flow of straw scraps and the like from the cutting and conveying device 3 to the boarding operation portion 7 without requiring the trouble of assembling the cover portion 25 to the front panel 11. The working environment in the boarding operation unit 7 can be improved, and when the lifting / conveying device 3 is lifted / lowered, the cutting / transporting device 3 comes into contact with the cover unit 25 due to a manufacturing error. Even so, the cover portion 25 is deformed to avoid breakage due to contact with the cutting and conveying device 3.

  As shown in FIGS. 3 to 6, a pair of left and right through holes 23 a for connecting to a support frame 26 made of square steel pipes standing on the body frame 8 is formed in each connection portion 23 of the wall body A. Thus, the upper portion of the wall body A can be supported by the metal support frame 26 erected on the machine body frame 8, and the support strength of the wall body A can be increased. . Further, since the through hole 23a is formed in the thick connecting portion 23 in which the front wall Aa and the back wall Ab of the wall body A are joined and the support frame 26 is connected, the wall body A by the support frame 26 is provided. Can be supported with higher support strength, and it is possible to prevent intrusion of cleaning water or dust into the hollow portion 27 from the through-hole 23a that is generated when the through-hole 23a is formed in the hollow portion 27 of the wall A. It has become.

  In addition, the code | symbol 28 shown to FIGS. 3-6 is a pair of right-and-left leg part formed by joining front wall Aa and back wall Ab in the lower end part of the wall body A, These leg parts 28 is bolted to the fuselage frame 8.

  As shown in FIGS. 3 to 6 and FIGS. 8 to 11, the panel support B is blow-molded into a state in which the upper cover body 29 and the lower cover body 30 are connected via thin left and right hinges 31 that can be bent and deformed. The box part 32 which accommodates the meter panel 9 is formed by bending the left and right hinges 31 and overlapping the upper cover body 29 and the lower cover body 30.

  As shown in FIGS. 9 and 10, the upper cover body 29 is formed with recessed outer edges 29 a of the left and right mating surfaces 29 </ b> A with respect to the lower cover body 30, whereas the lower cover body 30 is formed of the upper cover body 30. In the state where the outer edges 30a of the left and right mating surfaces 30A with respect to 29 are projected and formed, the upper cover body 29 and the lower cover body 30 are overlapped and the left and right connecting portions 29B, 30B are bolted together. A corresponding outer edge 30 a of the lower cover body 30 is engaged with each outer edge 29 a of the upper cover body 29. As a result, when the upper cover body 29 and the lower cover body 30 are overlapped, a gap is formed between the mating surfaces 29A and 30A due to a manufacturing error of the panel support B or the like. As a result, it is possible to suppress the deterioration of the appearance due to the gap and the intrusion of cleaning water and dust from the gap.

  As shown in FIGS. 8 to 12, the right connecting portion 29 </ b> B in the upper cover body 29 and the left and right connecting portions 30 </ b> B in the lower cover body 30 are high in which the front surface Ba and the back surface Bb of the panel support B are joined. It is formed into a thick wall having rigidity.

  As shown in FIGS. 2 to 6 and FIGS. 8 to 11, the panel support B is maneuvered in an upright position by a pair of left and right columns 33 extending downward on the upper cover body 29 and the boarding operation unit 7. The arm portion 34 is formed integrally with the arm portion 34 that extends toward the left outer side so that it can be gripped by the left hand at the time of standing work. A leg 35 made of a belt welded to the left and right ends of the support frame 26 and bolted to the upward bracket 26A is attached to the support frame 26 together with the side panel 14 at the extended end of the arm 34. A connecting portion 36 having a substantially triangular shape in side view is formed.

  In other words, the panel support B is connected to the support frame 26, thereby accommodating the meter panel 9 as compared with the case where the panel support B is connected to the resin wall A. Thus, the weight is increased, and the panel support B that supports the operator at the time of standing work can be supported with high support strength.

  As shown in FIGS. 4 to 6 and FIGS. 8 to 13, each leg portion 35 has a concave portion 35 </ b> A formed by joining the front surface Ba of the panel support B to the back surface Bb at the left and right intermediate portions. Each of the recessed portions 35A is provided with a through hole 35a for connection to the support frame 26, whereby when connecting each leg 35 to the corresponding first bracket 26A, Since the concave portion 35A of each leg portion 35 and the first bracket 26A engaged with the leg portion 35 come into contact with each other, the positional displacement of the panel support B with respect to the support frame 26 in the left-right direction is prevented. The support B can be easily assembled at a suitable position with no displacement in the left-right direction with respect to the support frame 26, so that the panel support B can be positioned in the left-right direction while facilitating the assembly. It has become possible to avoid the deterioration of the appearance due to the shift. Further, the formation of the concave portion 35A increases the section modulus of the leg 35 itself and increases the rigidity, so that the panel support B can be supported on the support frame 26 with higher support strength. In addition, a hollow portion 37 of the panel support B is formed by drilling a through hole 35a for connection to the support frame 26 in the concave portion 35A where the front surface Ba and the back surface Bb of the panel support B are joined. It is possible to prevent cleaning water, dust, and the like from entering the hollow portion 37 from the through-hole 35a which is generated when the through-hole 35a is formed in the through hole 35a.

  3-5 and FIGS. 8-11, the connection part 36 is formed in the attitude | position along the alignment direction of the metal mold | die orthogonal to the leg part 35, but is in the extension end of the left arm part 34. As shown in FIG. Resin material is easy to collect by being formed in a substantially triangular shape when viewed from the side, and it is formed solid due to being squeezed by the draft angle of the mold, thereby providing high rigidity. In addition, even if a through hole 36a for connection to the support frame 26 is formed, it is possible to prevent cleaning water, dust, and the like from entering the hollow portion 37 from the through hole 36a.

  As shown in FIGS. 2, 3, 5, 6, 8, and 11, since the front panel 11 is white, the panel surface of the meter panel 9 in the upper cover body 29 is used. A first name plate 38 of dark color such as black which makes the panel surface 9A easy to see is attached to the inner edge portion 29C adjacent to 9A. The inner edge portion 29C is formed so as to be one step lower than the outer edge portion 29D away from the panel surface 9A, so that the first name plate 38 can be easily attached to the inner edge portion 29C without any misalignment. In addition, the rigidity of the upper cover body 29 can be increased.

  As shown in FIGS. 4, 6, 8, 11, and 12, in the upper cover body 29, the second name plate 39 is attached to the front wall portion 29 </ b> E located between the left and right columns 33. Accordingly, the bolt 40 that connects the right connecting portion 29B of the upper cover body 29 and the right connecting portion 30B of the lower cover body 30 can be hidden, and the design feeling from the front is improved. Can be planned.

  As shown in FIGS. 9 and 11, the rear surface side Bb of the panel support B is locally recessed in the substantially central portion of the lower cover body 30 that forms the bottom wall 32 </ b> A of the box portion 32, and the surface side Ba A thick wall portion 41 joined to the bottom cover body 30 is formed, whereby the rigidity of the lower cover body 30 on which the meter panel 9 is placed can be increased. Further, a through hole 41a for draining water is formed in the thick wall portion 41, and washing water, rain water, etc. that have entered the box portion 32 flow into the thick wall portion 41 and are hollow from the through hole 41a. 37 is smoothly discharged without entering.

  As shown in FIGS. 5, 8, 9, and 12, the right column 33 of the panel support B has an upper portion 33 </ b> A facing rearward so that it functions as an arm portion that can be gripped from above. It is formed in a bulging state. That is, when boarding / exiting the boarding operation part 7, the upper part 33A of the right support | pillar 33 in the panel support B can be hold | gripped, Therefore The boarding operation part 7 can be boarded / exited easily.

  As shown in FIGS. 4 to 6 and FIGS. 8 to 12, in the panel support B, the left and right support columns 33 each have a placement surface 33 </ b> B that is placed and supported on the wall body A, and an arm portion. On the extending end side of 34, a mounting surface 34A that is mounted and supported by the wall body A and a contact portion 34B that contacts the wall body A from the rear are formed. By placing the placement surfaces 33B and 34A on the wall body A, the panel support B can be easily positioned in the vertical direction with respect to the wall body A, and can be gripped when standing or getting on and off. In addition, the arm portion 34 that is subjected to a relatively large load can be stably received by the wall body A with a high support strength of both ends, and the weight of the panel support is increased by housing the meter panel 9. B can be connected to the upper part of the wall A with good stability. Deformation of the leg 35 and the connecting part 36 due to the weight of the panel support B housing the panel 9 and the load applied to the arm part 34 being concentrated on the left and right leg parts 35 and the connecting part 36 of the panel support B. And can avoid damage.

  Further, by bringing the contact portion 34B into contact with the wall body A, the panel support B can be easily positioned in the front-rear direction with respect to the wall body A, and the arm portion 34 can be used for gripping during standing work. Even when a load with a large forward load component is applied to the arm portion 34, the arm portion 34 on which the load is applied can be stably received by the wall body A, and the load is concentrated on the connecting portion 36. The deformation | transformation and damage of the connection part 36 which originated can be avoided now.

  In short, as described above, the front panel 11 is constituted by the wall body A and the panel support B of the blow molded product so that the front panel 11 can be reduced in weight and improved in appearance. The required strength of the vehicle can be sufficiently secured, and when the passenger gets on and off the boarding operation part 7 or stands, the vehicle itself has high rigidity and is suitably supported by the support frame 26 and the wall body A with high support strength. Further, since the right column 33 and the arm part 34 on the right side of the panel support B can be held as a support, the boarding operation part 7 can be easily boarded / exposed and the workability during standing work can be improved. . Further, by extending the arm portion 34 in the left-right direction from the box portion 32 that houses the meter panel 9, it is avoided that the arm portion 34 hinders visual recognition of display information on the meter panel 9. The display information on the meter panel 9 can be easily viewed.

  As shown in FIGS. 2, 3, 8, and 9, the meter panel 9 and the box portion 32 that accommodates the meter panel 9 have a trapezoidal shape opposite to the driver whose lateral width is narrower toward the rear side. Further, the box portion 32 is formed so as to have a hollow portion 37 on the rear wall 32B.

  That is, since the meter panel 9 is housed and protected in the box portion 32, the driver can be prevented from directly leaning against the meter panel 9 at the time of standing work, and the box portion can be prevented. Since the shape of 32 is a trapezoid in the direction opposite to the driver, the load applied to the box part 32 by the leaning can be dispersed to the left and right and the concentration on the meter panel 9 can be prevented. Further, since the hollow portion 37 formed in the box portion 32 serves as a buffer material and absorbs the load applied to the box portion 32 and disperses it over a wide range, the load applied to the meter panel 9 is further weakened. As a result, failure and breakage of the meter panel 9 due to the leaning of the driver can be avoided.

  In addition, since the shape of the meter panel 9 is a trapezoid reverse to the driver, even if a large load due to the leaning of the driver is applied to the meter panel 9, the load is distributed to the left and right outwards. It is possible to protect the electronic components inside.

  Incidentally, although not shown, the meter panel 9 is equipped with a liquid crystal panel for displaying a traveling speed, a switch for switching a display mode of the liquid crystal panel, an engine tachometer, a fuel gauge, and the like.

  As shown in FIGS. 2 and 14, on the side panel 14, in front of the main transmission lever 12 and the auxiliary transmission lever 13, a left / right inclination angle setting device 42 for setting a target inclination angle in the left / right direction of the traveling machine body 2, A horizontal automatic switch 43 for switching whether or not to execute horizontal control for maintaining the attitude of the traveling vehicle body 2 at the target inclination angle set by the left / right inclination angle setting device, a horizontal lamp 44 that is lit when the horizontal control is executed, and traveling A front / rear automatic switch 45 that switches whether or not to execute front / rear control for maintaining the body 2 in a horizontal posture in the front / rear direction based on an angle sensor (not shown), a front / rear lamp 46 that is turned on when the front / rear control is executed, Raise reference switch 47 for switching the execution mode of the front / rear control between the upper limit reference mode and the lower limit reference mode, and the raise reference lamp 4 that is turned on when the upper limit reference mode is selected. , A cross-swing type operating lever 49 that selects manual control to be executed in the lower limit reference mode, and a right-up position that executes manual right-up attitude control that raises the right side of the traveling machine body 2 while being pressed by the operating lever 49. While being pressed by a switch (not shown) and the operation lever 49, a left-up switch (not shown) that performs manual left-up posture control for raising the left side of the traveling machine body 2 is pressed by the operation lever 49. While the vehicle is being operated, a vehicle body raising switch (not shown) for performing manual ascent control for raising the traveling machine body 2 and a manual lowering control for lowering the traveling machine body 2 are executed while being pressed by the operation lever 49. An attitude change unit 50 including a machine lowering switch is provided.

  Behind the main shift lever 12 is a handle depth switch 51 for switching whether or not to execute handle depth control, a setting device 52 for setting the chaff opening, a setting device 53 for setting the air flow rate, and cutting and conveying. An automatic clutch switch 54 for switching whether or not to execute automatic clutch control for turning on and off a threshing clutch and a reaping clutch (not shown) in conjunction with raising and lowering with the set height position of the device 3 as a boundary. A setting device 55 for setting, a cutting height switch 56 for switching whether or not to perform cutting height control, a setting device 57 for setting a target height for cutting height control, and the like are provided.

  An accelerator lever 58 and a work clutch lever 59 for manually turning on and off the threshing clutch and the mowing clutch are provided behind the auxiliary transmission lever 13.

  Between the auxiliary transmission lever 13 and the attitude changing unit 50, there is provided a combination switch 60 having a working light switch part and a winker switch part (not shown), and when traveling on the road, Since the combination switch 60 used mainly when traveling on the road is located in the vicinity of the auxiliary transmission lever 13 set at a high speed position ahead when traveling on the road, the operability of the combination switch 60 when traveling on the road can be improved. It is like that.

  As shown in FIG. 15, the combination switch 60 is set to the rear side between the main speed change lever 12 and the sub speed change lever 13, that is, the position where the sub speed change lever 13 is not set when operating on the road. The auxiliary transmission lever 13 may be configured so as not to hinder the operation of the combination switch 60 mainly used when traveling on the road.

  In any of the above arrangements, the combination switch 60 is located on the opposite side of the control lever 10 that is frequently used and is operated continuously with the operation of the combination switch 60 during steering. From this point, the operability of the combination switch 60 can be improved.

[Another embodiment]
Hereinafter, other embodiments of the present invention will be listed.
(1) The working machine may be a full-boiled combine combine, a carrot harvester or a radish harvester.
(2) As the panel support B, an arm portion 34 that extends from the box portion 32 toward the right outer side may be integrally formed.
(3) The panel support B is formed so as to have a hollow portion 37 in the whole or substantially the entire rear wall of the box portion 32, and the load applied to the meter panel 9 due to the leaning of the driver is more effective. May be reduced.
(4) A resin injection molded product may be adopted as the panel support B.
(5) The front panel 11 may be configured by integrally forming the panel support B on the wall A.

7 Boarding operation part 9 Meter panel 11 Front panel 32 Box part 34 Arm part B Panel support

Claims (1)

A front panel structure of a harvesting work machine in which a front panel is erected on the front part of a boarding driving unit provided with a driver's seat, and a side panel is erected on the left side of the boarding driving unit on the left side of the driver's seat Because
The front panel includes a wall body connected to the body frame, and a panel support body connected to the upper part of the wall body,
The panel support is a box portion that accommodates the meter panel and is disposed at a position above the upper end of the wall body, and is extended to the right side from the box portion and connected to the wall body side. A right arm portion and a left arm portion extending leftward from the box portion,
A front panel structure of a harvesting machine in which the left arm portion is arranged in an inclined posture in which a lower portion is rearward of an upper portion in a side view, and a lower end side thereof is connected to the side panel side.

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