JP6970953B2 - Cutting device of the reaper - Google Patents

Description

INDUSTRIAL APPLICABILITY The present invention is, for example, mounted on a reaper that cuts branches and leaves and trunks of a tea plant while moving along a ridge-shaped tea plant, and is a cutting device for cutting branches and leaves and trunks cut from the tea plant into ridges. It is about.

Conventionally, the cutting device of this type of cutting machine is mounted on a cutting machine having a traveling body running along a ridge-shaped tea plant and a cutting device for cutting branches, leaves and trunks from the tea plant. It is known that the apparatus is provided with a pair of guide ducts for guiding the branches and leaves and trunks cut to the rear of the traveling machine and outward in the width direction and dropping them into the furrows (see, for example, Reference 1).

In a reaper equipped with a pair of guide ducts, the pair of guide ducts are in a state of protruding outward from the outer peripheral portion of the reaper. Therefore, the reaper equipped with the pair of guide ducts may not fit in the size of the loading platform when it is mounted on the loading platform of a truck vehicle and transported. In this case, the pair of guide ducts will be removed from the reaper and transported, and the work of attaching and detaching the pair of guide ducts to the reaper will be required. Becomes complicated.

Therefore, as a cutting device that can be conveyed by a truck without removing the pair of guide ducts from the reaper, a device that can change the position of the pair of guide ducts with respect to the reaper is considered. This cutting device is based on, for example, a working posture in which work is performed using a pair of guide ducts by moving the position of the pair of guide ducts upward with respect to the reaper, and a pair of guide ducts. The storage posture, which is the storage posture without work, is switched.

Japanese Unexamined Patent Publication No. 2008-92858

However, in the cutting device that can switch between the working posture and the storage posture of the pair of guide ducts, the horizontal external dimension can be reduced by using the storage posture, but the height dimension becomes large. There is. In this case, the reaper equipped with a pair of guide ducts in the stowed position may come into contact with an obstacle located above the road during transportation by a truck vehicle.

An object of the present invention is to provide a reaper cutting device capable of reducing the horizontal and vertical external dimensions of a reaper equipped with a guide duct without removing the guide duct from the reaper. There is something in it.

The present invention is a cutting device for a cutting machine having a traveling body traveling across the ridge and a cutting device for cutting an object to be cut from the ridge in order to achieve the above object, and the cutting device is used to cut from the ridge. A guide duct for guiding the object to be cut is provided in the furrow, and the guide duct consists of an upstream duct member located on the upstream side in the flow direction of the object to be cut and a downstream duct member located on the downstream side, respectively. It is separated from each other while being connected to the traveling body, and can move between the working posture and the storage posture.

As a result, while the guide duct is connected to the traveling body, the plurality of duct members are switched between the working posture and the storage posture, respectively, so that the outer diameters of the reaper equipped with the guide duct in the horizontal and vertical directions are It is possible to reduce the size.

According to the present invention, the horizontal and vertical external dimensions of the reaper equipped with the guide duct can be reduced, so that the reaper equipped with the guide duct can be mounted on the loading platform of a small truck vehicle. In addition to being possible, it is possible to prevent contact with obstacles during transportation.

It is a side view of the reaper equipped with the reaping device which shows one Embodiment of this invention. It is a front view of a reaper. It is a main part perspective view of a cutting device and a transport device. It is a side sectional view of the main part of a cutting device and a transport device. It is the figure which looked at the cutting device from the rear. It is a main part perspective view which shows the connection structure with respect to the traveling body of the downstream duct member. It is a figure explaining the procedure of switching between the working posture and the storage posture of the downstream duct member. It is a top view which explains the upstream duct member accommodating mechanism. It is a figure explaining the switching between the working posture and the storage posture of the upstream duct member. It is a figure explaining the procedure of switching between the working posture and the storage posture of the upstream duct member. It is a side view of the reaper in which the downstream duct member and the upstream duct member are each in the storage posture.

1 to 11 show an embodiment of the present invention.

The reaper equipped with the reaping device of the present invention cuts branches and leaves and trunks as objects to be reaped from the ridge-shaped tea plant while traveling by the operation of the worker on board. Further, the cutting machine 1 can also perform a picking operation of picking tea leaves from a ridge-shaped tea tree by attaching a mounting table and a tea bag instead of the cutting device.

As shown in FIG. 1, the reaper 1 includes a traveling body 10 for traveling along a direction in which the tea plant T extends across a ridge-shaped tea plant T, and a reaping device 20 for reaping the branches, leaves and trunks of the tea plant T. To drop the branches and leaves and trunks transported backward and upward by the transport device 30 between the ridged tea plant T and the tea plant T. The cutting device 100 and the like are provided.

The traveling body 10 includes a main body 11 located on the upper side, a pair of leg portions 12 extending downward from both sides in the width direction of the main body 11, and a traveling device 13 provided at the lower end portion of the leg portions 12. There is.

As shown in FIGS. 1 and 2, the main body 11 includes a floor portion 11a formed in a horizontal plane on the front side, a loading platform 11b formed in a horizontal plane behind the floor portion 11a and above the floor portion 11a. have.

An operation input unit 11c for an operator to input an operation related to the operation of the reaper 1 is provided on the front portion on the right side of the floor portion 11a, and an operator operating the operation input unit 11c is seated behind the operation input unit 11c. A sheet 11d is provided. Further, on the left side of the floor portion 11a, an engine 14 as a power source for the traveling body 10, the cutting device 20, and the transport device 30 is provided. Further, a blower, which will be described later, constituting the transport device 30 is provided between the operation input unit 11c and the engine 14 on the floor portion 11a.

The loading platform 11b is provided so as to extend in the width direction of the main body 11, and a tea bag containing tea leaves is placed when the plucking operation is performed by the reaper 1.

As shown in FIG. 1, the pair of legs 12 have a front member 12a extending downward from the front side on both sides of the main body 11 in the width direction, a rear member 12b extending downward from the rear side, and a lower end of the front member 12a, respectively. It has a connecting member 12c that connects the side and the lower end side of the rear member 12b to each other. The right leg portion 12 is provided with a hydraulic oil tank 15 for accommodating the hydraulic oil for driving the hydraulic actuator. Further, as shown in FIG. 2, the left leg portion 12 is provided with a fuel tank 16 for accommodating the liquid fuel for driving the engine 14.

The pair of legs 12 are supported so as to be movable in the width direction with respect to the main body 11. The pair of legs 12 are interlocked with each other by, for example, a leg interlocking mechanism including a rack fixed to each leg 12 side and a pinion rotatably supported on the main body 11 side. The distance between the pair of legs 12 can be adjusted by driving the pinion of the leg interlocking mechanism with a hydraulic motor.

As shown in FIG. 1, the traveling device 13 is driven by a drive wheel 13a provided on the rear side of the lower end side of each leg portion 12 and a driven wheel 13b provided on the front side of the lower end side of each leg portion 12. It has a rubber or metal crawler 13c wound around a ring 13a and a driven wheel 13b. The traveling device 13 drives the drive wheels 13a by the hydraulic motor 13d to rotate the crawlers 13c wound around the drive wheels 13a and the driven wheels 13b.

The cutting device 20 is supported by a lifting device 40 that moves in the vertical direction along the rear member 12b of the pair of legs 12 of the traveling body 10, together with the members constituting the transport device 30 excluding the blower and the cutting device 100. ing. As shown in FIGS. 3 and 4, the cutting device 20 includes a pair of upper and lower cutting blades 21 extending in the width direction between the pair of legs 12, and the other cutting blade 21 with respect to one cutting blade 21 in the vertical direction. It has a hydraulic motor for reciprocating 21 in the width direction. The pair of cutting blades 21 are comb-shaped blades extending in the width direction, respectively, and the branches and leaves and the trunk of the tea plant T are sandwiched by reciprocating the other cutting blade 21 with respect to one cutting blade 21. The pair of cutting blades 21 are formed in an arc shape so that the central portion is located upward with respect to both end portions in the longitudinal direction.

In the transport device 30, the components other than the blower are supported by the elevating device 40 together with the cutting device 20 and the cutting device 100. As shown in FIGS. 3 and 4, the transport device 30 includes a pair of rotary brushes 31 in the width direction for moving the branches and leaves cut by the cutting blade 21 and the trunk backward, and the branches and leaves cut by the cutting blade 21. A transport duct 32 for guiding the trunk upward and backward, a blower 33 (not shown in FIGS. 4 and 5) as a blower means for generating a flow of air flowing in the transport duct 32, and a blower. It has an air flow introduction duct 34 for introducing the air flow generated by 33 into the transfer duct 32.

As shown in FIG. 3, each of the pair of rotating brushes 31 includes a rotating shaft 31a and a plurality of brush units 31b provided on the outer peripheral portion of each rotating shaft 31a. The pair of rotating brushes 31 are arranged side by side in the width direction of the traveling body 10, and the cutting blades extend diagonally upward from the outside of the traveling body 10 toward the central portion in the width direction. It is rotatably supported by the frame member 31c located above the 21. In each of the rotation shafts 31a of the pair of rotation brushes 31, the ends on the widthwise central portion side of the traveling body 10 are connected to each other by, for example, a universal joint, and one rotation shaft 31a is rotated by a hydraulic motor to rotate the other. The rotation shaft 31a rotates in conjunction with each other. Further, each of the plurality of brush units 31b is a member to which a bristle material is attached to a base, and is arranged without overlapping in the axial direction of the rotating shaft 31a, and is spaced apart from each other in the circumferential direction of the rotating shaft 31a. Will be placed. In the brush unit 31b, the tip of the hair material has a length dimension along the arc shape of the cutting blade 21 at the rotation position where the tip of the hair material is close to the cutting blade 21. The mounting height of the pair of rotating brushes 31 can be changed by changing the mounting height of the rotating shaft 31a with respect to the frame member 31c.

As shown in FIGS. 3 and 4, the transport duct 32 extends upward while inclining slightly rearward from above the cutting blade 21, and vertically decreases in width dimension toward the vertical duct 32a. It has a pair of bending ducts 32b that branch in the width direction from the upper end of the duct 32a and bend rearward. The vertical duct 32a is provided with an introduction port 32c for introducing branches and leaves and trunks at positions at predetermined intervals above the cutting blade 21. Further, the pair of bending ducts 32b are provided with an opening so as to face the rear in the substantially horizontal direction, and are provided with a discharge port 32d for discharging the cut branches and leaves and the trunk toward the rear in the substantially horizontal direction. .. Further, as shown in FIG. 3, an inspection window for visually recognizing the inside of the bending duct 32b from the outside by forming a part of the bending duct 32b with a transparent plate-shaped member on the upper surface of the pair of bending ducts 32b. 32e is provided.

The blower 33 is a multi-blade fan driven by the power of the engine 14, and is provided between the operation input unit 11c on the floor portion 11a of the main body 11 and the engine 14 as shown in FIG. The blower 33 is arranged on the floor portion 11a so that the air discharge port faces rearward.

The air flow introduction duct 34 has substantially the same width dimension as the vertical duct 32a of the transfer duct 32, and is provided behind the vertical duct 32a. The upper surface of the air flow introduction duct 34 is formed in an arc shape in which the central portion in the width direction projects upward with respect to both ends in the width direction, and as shown in FIG. 4, the air discharged from the blower 33 to the central portion in the width direction. An air intake port 34a for taking in the air is provided. The air discharge port and the air intake port 34a of the blower 33 are connected by a flexible duct 34b having flexibility. The flexible duct 34b is arranged between the pair of bending ducts 32b of the transport duct 32. On the lower end side of the air flow introduction duct 34, an extension portion 34c in which the air flow path extends forward in the width direction is formed, and the front end side of the extension portion 34c is located below the transport duct 32. An air outlet 34d having an opening facing upward in the width direction is provided on the upper surface of the extending portion 34c located below the transport duct 32.

As shown in FIGS. 1 and 5, the cutting device 100 includes a pair of guide ducts 110 that guide branches and leaves and trunks discharged from each discharge port 32d between the ridge-shaped tea plant T and the tea plant T. There is.

The pair of guide ducts 110 are supported by the elevating device 40 together with the members constituting the reaping device 20 and the transport device 30 excluding the blower. The pair of guide ducts 110 each have a downstream duct member 111 located on the downstream side in the flow direction of the cut branches and leaves and the trunk, and an upstream duct member 112 separable from the downstream duct member 111. doing.

The downstream duct member 111 extends in the vertical direction behind the legs 12 of the traveling body 10 in a working posture, and the upstream duct member 112 is connected to the upper opening, and branches and leaves cut from the lower opening. The trunk is released downward. As shown in FIG. 5, the downstream duct member 111 includes a frame member 111a to which the upstream duct member 112 is connected, and tea leaves discharged from the upstream duct member 112 on the lower lateral side of the frame member 111a. It has an outer guide member 111b that guides in the width direction, and an inner guide member 111c that guides tea leaves discharged from the upstream duct member 112 in the width direction inside the frame member 111a in the width direction.

As shown in FIG. 6, the front end portion of the frame member 111a in the working posture is supported by a support shaft 113 fixed to the elevating device 40 and extending in the width direction. The frame member 111a is swingable in the vertical direction about the support shaft 113, and is also movable in the width direction of the traveling body 10 along the support shaft 113. The frame member 111a is formed by aligning one of the plurality of pin insertion holes 113a provided in the support shaft 113 with any one of the plurality of pin insertion holes 111d provided in the frame member 111a and inserting the fixing pin 114. , The swing of the frame member 111a with respect to the support shaft 113 and the movement in the width direction are restricted.

As shown in FIG. 7A, the downstream duct member 111 positions the frame member 111a behind the pair of leg portions 12 and restricts the movement of the frame member 111a in a posture in which the opening of the frame member 111a is directed in the vertical direction. This will give you a working posture. Further, in the downstream duct member 111, as shown in FIG. 7C, the frame member 111a is arranged inside the pair of leg portions 12 in the width direction, and the opening of the frame member 111a is oriented in the front-rear direction. By restricting movement, it becomes a storage posture.

Further, as shown in FIG. 1, the frame member 111a is supported by a posture holding member 115 whose rear end side in a working posture extends diagonally downward from the upper part of the elevating device 40.

Further, the inner guide member 111c is provided with a handle 111e that the operator grips when switching between the working posture and the storage posture of the downstream duct member 111.

As shown in FIGS. 1 and 5, the upstream duct member 112 extends diagonally downward from the discharge port 32d of the transport duct 32 toward the rear of the traveling body 10 and diagonally toward the outside in the width direction, as shown in FIGS. 1 and 5. It extends downward. The lower end side of the upstream duct member 112 in the working posture is fixed to the frame member 111a of the downstream duct member 111 in the working posture with a fastener 112a such as a snap lock, and the upper end side is fixed to the transport duct 32 with the fastener 112b. NS. In the upstream duct member 112, in the working posture, the opening located on the upper side is connected to the discharge port 32d, and the opening located on the lower side is connected to the downstream duct member 111. An inspection window 112c for visually recognizing the inside of the upstream duct member 112 from the outside is provided above the upstream duct member 112. Further, the upstream duct member 112 is provided with a handle 112d that the operator grips when switching between the working posture and the storage posture of the upstream duct member 112.

Further, as shown in FIGS. 8 to 10, the upstream duct member 112 is in a state of being separated from the downstream duct member 111, and the upstream duct member 112 is moved above the traveling body 10 to be in a storage posture. An upstream duct member storage mechanism 116 is provided for this purpose.

The upstream duct member storage mechanism 116 is provided on the upper surface of the upstream duct member 112 in the working posture, and is in the storage posture of the engaging member 117 that can be engaged with the traveling body 10 and the upstream duct member 112. It has a contact portion 118 that abuts on the traveling body 10 side.

The engaging member 117 is a plate-shaped member extending along the upper surface of the upstream duct member 112 in the working posture. As shown in FIG. 8, the engaging member 117 is connected to the upstream duct member 112 via a pair of elongated holes 117a in the width direction extending in the front-rear direction, and is elongated with respect to the upstream duct member 112. It is configured to be movable in the front-back direction within the range. By operating the operating lever 117b passed through the elongated hole 117a, the engaging member 117 is switched between the regulation of the movement in the front-rear direction with respect to the upstream duct member 112 and the release of the regulation. Further, on the front side of the upper surface of the engaging member 117, an engaging portion 117c that can be engaged from the rear is provided on the duct support portion 11e (predetermined portion of the traveling body) having a circular cross section extending in the width direction behind the loading platform 11b. Has been done. As shown in FIGS. 9 and 10, the engaging portion 117c is moved in the vertical direction together with the pair of guide ducts 110 to have the same height as the duct support portion 11e, and the engaging member 117 is moved in the front-rear direction. As a result, the engagement with the duct support portion 11e and the disengagement with the duct support portion 11e are switched. The engaging portion 117c has a shape that surrounds the upper side, the rear side, and the lower side except for the front side of the duct support portion 11e in a state of being engaged with the duct support portion 11e. The engaging member 117 is locked to the duct support portion 11e by attaching the fixing pin 117d to the front end portion of the engaging portion 117c in a state where the engaging portion 117c is engaged with the duct support portion 11e.

As shown in FIGS. 9 and 10, the contact portion 118 is provided so as to extend upward from the upper surface of the upstream duct member 112 in the working posture. As shown in FIG. 10B, when the upstream duct member 112 is rotated upward with the engaging member 117 locked to the duct support portion 11e, the contact portion 118 hits the loading platform 11b at the tip end portion. By contacting, the rotation of the upstream duct member 112 is restricted. The upstream duct member 112 is in a stowed position with the contact portion 118 in contact with the loading platform 11b.

In the reaper 1 equipped with the reaping device 100 configured as described above, when performing the reaping work, the operator first makes it possible to run across the ridge-shaped tea plant T. The distance between the pair of legs 12 is adjusted according to the width of the tea plant T, and the elevating device 40 is driven to adjust the height of the cutting blade 21 with respect to the tea plant T. Here, the operator adjusts the height position of the pair of rotating brushes 31 with respect to the cutting blade 21 according to the length of the tea leaves to be cut from the tea tree T. Further, the operator sets the pair of guide ducts 110 as working postures.

Here, in the pair of guide ducts 110 in the working posture, the upper opening of the downstream duct member 111 and the lower opening of the upstream duct member 112 are connected, and the upper opening of the upstream duct member 112 is the transport duct. It is connected to the discharge port 32d of 32, and the lower opening of the downstream duct member 111 is directed downward behind the pair of legs 12.

Next, the operator drives the cutting blade 21, the pair of rotating brushes 31, and the blower 33 to cut the branches and leaves and the trunk from the tea plant T, and the cut branches and leaves and the trunk are placed between the ridge-shaped tea plant T and the tea plant T. Perform a reaping to drop.

The branches and leaves and trunks cut from the tea plant T by the drive of the cutting blade 21 are sent backward by the rotary brush 31 and also sent from the blower 33 and blown upward from the air outlet 34d of the air flow introduction duct 34. It circulates in the transport duct 32. The branches and leaves and trunks that have circulated in the transport duct 32 are discharged rearward from the discharge port 32d of the transport duct 32. The branches and leaves and trunks released from the discharge port 32d are guided by a pair of guide ducts 110 and dropped between the ridge-shaped tea plant T and the tea plant T.

Further, the reaper 1 equipped with the reaper 100 is transported in a state of being placed on a loading platform such as a truck vehicle when moving between the storage place of the reaper 1 and the tea plantation.

The reaper 1 to which the reaping device 100 is mounted has a pair of guide ducts 110 in a stowed posture when being transported.

When the cutting device 100 is in the retracted posture, the operator first moves the pair of guide ducts 110 upward by driving the elevating device 40 as shown in FIG. 9A, and the upstream duct member. The engaging portion 117c of the engaging member 117 provided on the 112 is moved to the height of the duct support portion 11e located behind the loading platform 11b.

Next, the operator operates the operation lever 117b to release the restriction on the movement of the engaging member 117 with respect to the upstream duct member 112 in the front-rear direction, and as shown in FIG. 9B, moves the engaging member 117 forward. To engage the engaging portion 117c with the duct support portion 11e, and restrict the movement of the engaging member 117 with respect to the upstream duct member 112 in the front-rear direction. After engaging the engaging portion 117c with the duct support portion 11e, the operator attaches the fixing pin 117d to the engaging portion 117c as shown in FIG. 10A, whereby the upstream duct is attached to the duct support portion 11e. The member 112 is locked.

After locking the upstream duct member 112 to the duct support portion 11e, the operator connects the downstream duct member 111 and the upstream duct member 112 by the fastener 112a, and connects the upstream duct member 112 and the transport duct by the fastener 112b. The connection with 32 is released.

After disconnecting the downstream duct member 111 and the upstream duct member 112, the operator rotates the upstream duct member 112 upward around the duct support portion 11e as shown in FIG. 10 (b). , The tip of the contact portion 118 is brought into contact with the loading platform 11b. As a result, the upstream duct member 112 is stored above the traveling body 10, which is the storage posture.

After the upstream duct member 112 is placed in the retracted posture, the operator releases the support of the downstream duct member 111 by the posture holding member 115, removes the fixing pin 114, and swings the downstream duct member 111 with respect to the support shaft 113. And lift restrictions on movement. After removing the restrictions on the swing and movement of the downstream duct member 111, the operator moves the downstream duct member 111 inward in the width direction along the support shaft 113 as shown in FIG. 7A. As shown in FIG. 7 (b), the support shaft 113 is rotated downward around the support shaft 113, and as shown in FIG. 7 (c), the pair of legs 12 are moved inward in the width direction and below the main body 11. After that, the operator regulates the swing and movement of the downstream duct member 111 with respect to the support shaft 113 by the fixing pin 114. As a result, the downstream duct member 111 is housed inside the pair of legs 12 in the width direction and below the main body 11, which is a storage posture.

As described above, according to the cutting device of the reaper of the present embodiment, the pair of guide ducts 110 are composed of a plurality of duct members (upstream side duct member 112 and downstream side duct member 111), and the plurality of duct members. (The upstream duct member 112 and the downstream duct member 111) are separated from each other and can move between the working posture and the storage posture while being connected to the traveling body 10.

As a result, the horizontal and vertical external dimensions of the reaper 1 equipped with the pair of guide ducts 110 can be reduced, so that the reaper 1 equipped with the pair of guide ducts 110 can be used as a loading platform for a small truck vehicle. It can be placed and prevented from coming into contact with obstacles during transportation.

Further, the upstream duct member 112 is moved upward from the working posture to be in the storage posture, and the downstream duct member 111 is moved downward from the working posture to be in the storage posture.

As a result, only the upstream duct member 112 separated from the downstream duct member 111 moves upward to be in the stowed posture, so that the increase in height dimension in the stowed posture is suppressed as compared with the guide duct made of one member. It becomes possible to do. Further, since only the downstream duct member 111 separated from the upstream duct member 112 moves downward to be in the storage posture, the downstream duct member 111 can be reliably stored under the main body 11.

Further, in the downstream duct member 111, the front end portion in the working posture is supported so as to be movable in the width direction of the traveling body 10 and swingable in the vertical direction with respect to the traveling body 10.

As a result, the downstream duct member 111 can be moved downward and also moved inward and forward in the width direction of the traveling body 10 to be in the stowed posture. Therefore, the downstream duct member 111 is paired with the downstream duct member 111. It can be stored between the legs 12 and below the main body 11, and the external dimensions of the reaper 1 in the width direction and the front-rear direction in the storage posture of the pair of guide ducts 110 can be made smaller.

Further, the downstream duct member 111 has a front end portion in a working posture supported by a support shaft 113 provided on the traveling body 10 extending in the width direction.

As a result, the downstream duct member 111 can be moved in the width direction, the vertical direction, and the front-rear direction with respect to the traveling body 10 with a simple configuration, so that the manufacturing cost can be reduced.

Further, the upstream duct member 112 is provided with an engaging portion 117c that can be engaged with the duct support portion 11e of the traveling body 10 in a working posture, and the upstream duct member 112 is provided on the duct supporting portion 11e of the traveling body 10. With the engaging portion 117c engaged, the traveling body 10 is supported by the traveling body 10 so as to be swingable in the vertical direction around the duct support portion 11e.

As a result, when the upstream duct member 112 is moved upward, the upstream duct member 112 moves forward, so that the external dimensions of the reaper 1 in the front-rear direction in the storage posture of the pair of guide ducts 110. Can be made smaller.

In the above embodiment, a cutting machine for cutting branches and leaves and a trunk from a tea plant has been shown, but it can be applied to a cutting machine for cutting leaves of plants other than tea leaves, such as shiso leaves.

Further, in the above-described embodiment, the cutting blade 21 having an arcuate shape so that the central portion in the width direction is located upward with respect to both end sides in the width direction is shown. You may.

Further, in the above embodiment, a pair of discharge ports 32d in the transport duct 32 is provided in the width direction, but the number of discharge ports for discharging tea leaves may be one, or three or more. There may be.

Further, in the above-described embodiment, the crawler type traveling device 13 is shown, but the present invention is not limited to this, and the traveling device may be a traveling device that travels on tires or on laid rails.

Further, in the above embodiment, the reaper 1 provided with the pair of guide ducts 110 for the traveling body 10 is shown, but the present invention is not limited to this. As long as the cut branches and leaves and trunks are dropped between the ridge-shaped tea plant T and the tea plant T, for example, a cutting machine provided with one guide duct for the traveling body may be used.

Further, in the above embodiment, the guide duct 110 is composed of the downstream duct member 111 and the upstream duct member 112, but the present invention is not limited to this. The guide duct may be composed of three or more duct members as long as the plurality of duct members can be separated from each other and move between the working posture and the storage posture while being connected to the traveling body. ..

1 ... Mowing machine, 10 ... Traveling body, 11 ... Main body, 11e ... Duct support, 20 ... Mowing device, 40 ... Elevating device, 100 ... Mowing device, 110 ... Guide duct, 111 ... Downstream duct member, 112 ... Upstream duct member, 112a ... Fastener, 113 ... Support shaft, 116 ... Upstream duct member storage mechanism, 117 ... Engagement member, 117c ... Engagement part, T ... Tea tree.

Claims (5)

It is a cutting device of a cutting machine having a traveling body running across the ridge and a cutting device for cutting the object to be cut from the ridge.
Equipped with a guide duct that guides the object to be cut from the ridges to the ridges with a cutting device.
The guide duct is composed of an upstream duct member located on the upstream side in the flow direction of the object to be cut and a downstream duct member located on the downstream side, and is separated from each other while being connected to the traveling body. A reaper reaper that can move between working and stowed postures. Upper stream side duct member becomes a retracted position by moving from the working position upwardly,
The cutting device for a reaper according to claim 1, wherein the downstream duct member is in a storage posture by moving it downward from the working posture. The cutting device for a reaper according to claim 2, wherein the downstream duct member is supported by a front end portion in a working posture so as to be movable in the width direction and swingable in the vertical direction on the rear side of the traveling body. The cutting device for a reaper according to claim 3, wherein the downstream duct member has a front end portion in a working posture supported by a support shaft provided in a traveling body and extending in the width direction. The upstream duct member is provided with an engaging portion that can be engaged with a predetermined portion of the traveling body in a working posture.
The upstream duct member according to any one of claims 1 to 4, wherein the upstream duct member is supported by the traveling body so as to be swingable in the vertical direction around the predetermined portion in a state where the engaging portion is engaged with the predetermined portion of the traveling body. The cutting device of the described cutting machine.

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