JP2017212919A - Self-propelled pest control machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To arrange in a cabin an opening/closing door moving in a front/rear direction to allow an operator to get onto and get off a cabin smoothly.SOLUTION: A self-propelled pest control machine includes in a travel vehicle body 2: a cabin 20 serving as an operator steering chamber; a pest control boom 40 capable of being switched between a chemical spray posture extending in a right/left direction and a storage posture extending in a front/rear direction in a side of the cabin 20; and a chemical tank 30 in a rear part of the cabin 20. The self-propelled pest control machine can travel with right/left front wheels 6, 6 and right/left rear wheels 7, 7. The self-propelled pest control machine includes a guide tool 501 L moving an opening/closing door 25 of the cabin 20. The guide tool 501 L is arranged in an upper part of the cabin 20.SELECTED DRAWING: Figure 15

Description

  The present invention relates to a self-propelled control machine and sprays a chemical solution in a chemical tank from a control boom while traveling.

  In order to prevent exposure of chemicals sprayed from a control boom, there is a technique including a cabin (see, for example, Patent Document 1).

JP 2014-76789 A

  The above-described known technology includes an opening / closing door in a cabin. However, since the open / close door is configured to rotate at the front fulcrum and open / close, there is a disadvantage that the entrance / exit is narrow.

  An object of the present invention is to eliminate the above-described problems.

  The above object of the present invention is achieved by the following configuration.

  That is, in the first aspect of the invention, the traveling vehicle body (2) has the cabin (20) as an operator cockpit, the chemical solution spreading posture extending in the left-right direction, and the storage posture extending laterally of the cabin (20). The control boom (40) configured to be switchable to the vehicle and a medicine tank (30) behind the cabin (20) are provided so that the vehicle can run on the left and right front wheels (6, 6) and the left and right rear wheels (7, 7). In the self-propelled control machine, a guide tool (501L) for moving the open / close door (25) of the cabin (20) in the front-rear direction is provided, and the guide tool (501L) is provided in the upper part of the cabin (20). Is a self-propelled control machine.

  In the invention according to claim 2, the guide tool (501L) is a self-propelled control machine according to claim 1, wherein the guide tool (501L) is provided on an upper frame (21c) constituting the cabin (20). is there.

  In the invention according to claim 3, the rear part of the guide tool (501L) is attached to the upper frame (21c), and the front part of the guide tool (501L) is configured to protrude forward of the cabin (20). The self-propelled pest control machine according to claim 2, wherein

  Since the present invention is configured as described above, according to the first aspect of the present invention, the guide (501L) for moving the open / close door (25) in the front-rear direction is provided on the upper portion of the cabin (20). It does not get in the way.

  In the invention according to claim 2, since the guide tool (501L) is provided on the upper frame (21c) constituting the cabin (20), the guide tool (501L) can be firmly supported.

  In the invention according to claim 3, since the front portion of the guide tool (501L) is configured to protrude forward of the cabin (20), the open / close door (25) is greatly opened toward the front.

Left side view of drug spray vehicle Perspective view seen from the right front of the drug spraying vehicle The perspective view seen from the upper left rear of the medicine spraying vehicle Top view with a part of the drug spraying vehicle omitted The top view which shows the spraying work state of the medicine spraying vehicle A perspective view of a part of the cabin as viewed from the upper left rear A perspective view of a part of the cabin as viewed from the upper left rear Top view of part of cabin Top view of part of cabin Top view with left door open (A) Perspective view showing the cabin frame structure with the left open / close door closed (B) Perspective view showing the cabin frame structure with the left open door open The perspective view which shows the frame structure of a cabin Side view of the right side of the cabin from the inside of the cabin Perspective view of the left door A perspective view of the cabin viewed from the upper left front (closed door) A perspective view of the cabin as viewed from the upper left front (opened partway) A perspective view of the cabin as viewed from the upper left front (when the door is fully open) A perspective view of a part of the cabin as viewed from the upper left A perspective view showing the frame structure of the cabin as seen from the upper right rear (closed door) A perspective view showing the frame structure when the cabin is viewed from the upper right rear (open door fully opened) A perspective view of a part of the cabin as seen from the left rear Top view with a part of the drug spraying vehicle omitted Front view of the glass part of the door and the door frame The perspective view which omitted a part of medicine distribution vehicle The perspective view which omitted a part of medicine distribution vehicle A perspective view of a part of the cabin as seen from the left rear A perspective view of a part of the cabin as seen from the left front A perspective view of a part of the cabin as seen from the left rear (A) Side view of part of the cabin viewed from the right side (b) Side view of the capacitor A perspective view of a part of the cabin as seen from the lower left rear A perspective view of the cabin from the right rear A perspective view of the cabin as seen from the upper right front A perspective view of the cabin and drug tank from the left rear

  DESCRIPTION OF EMBODIMENTS Embodiments (embodiments) for carrying out the present invention will be described in detail with reference to the drawings. The present invention is not limited by the contents described in the following embodiments. The constituent elements described below include those that can be easily assumed by those skilled in the art and those that are substantially the same. Furthermore, the structures described below can be combined as appropriate. In addition, various omissions, substitutions, or changes in the configuration can be made without departing from the scope of the present invention.

  The medicine spraying vehicle 1 according to the present embodiment is a work vehicle in which an operator such as an operator gets on the traveling vehicle body 2 and sprays medicine on a farm field while performing a driving operation. As shown in FIGS. 1 to 3, the medicine spraying vehicle 1 includes a traveling vehicle body 2, a cabin 20, a medicine tank 30, a control boom 40 for spraying medicine supplied from the medicine tank 30 to a field, and the like. Has been. In the present embodiment, the traveling direction of the medicine spraying vehicle 1 is a direction along the front-rear direction of the traveling vehicle body 2, and travels from the driver seat 4 (see FIG. 4) toward the front glass GF when the medicine spraying vehicle 1 travels straight. Direction. Further, the vehicle width direction or the left-right direction of the traveling vehicle body 2 is a direction that is horizontally orthogonal to the traveling direction. The vertical direction of the traveling vehicle body 2 is a direction perpendicular to the traveling direction.

  The traveling vehicle body 2 includes a main frame 3, a driver seat 4, a steering handle 5, left and right front wheels 6, and left and right rear wheels 7. The main frame 3 is formed to extend before and after the traveling vehicle body 2. The driver's seat 4 is a seat for an operator to sit when operating the medicine spraying vehicle 1. At an appropriate position around the driver's seat 4, an operation unit 90 for controlling operations such as opening / closing of the control boom 40 and spraying of the medicine is disposed. The steering handle 5 changes the traveling direction of the medicine spraying vehicle 1 by steering at least the left and right front wheels 6 and 6 by a turning operation by an operator.

  The front wheels 6 and the rear wheels 7 are appropriately shifted in the transmission case (not shown) by the engine power in the bonnet BN, and the shifted power is transmitted to rotate.

  The cabin 20 forms a passenger compartment by surrounding the driver's seat 4 and peripheral devices, a steering handle, and the like. The cabin 20 is disposed between the medicine tank 30 and the control boom 40. The cabin 20 includes a cabin frame 21 (21a, 21b, 21c, 21d, etc.), a cabin roof 22, left and right open / close doors 25L, 25R, and the like.

  The cabin frame 21 is disposed on both the left and right sides of the front portion of the cabin 20 in the vehicle width direction, and the left and right first front frames 21a and 21a standing on the main frame 3, and the left and right first front frames 21a and 21a. Left and right second frames 21d, 21d and left and right second frames 21d, 21d, and left and right third frames 21e, 21e. Furthermore, left and right fourth frames 21b and 21b that are not erected on the main frame 3 are formed behind the left and right third frames 21e and 21e, and the left and right first front frames 21a and 21a It consists of two frames 21d and 21d, left and right third frames 21e and 21e, and an upper frame 21c that connects the upper portions of the left and right fourth frames 21b and 21b (see FIG. 12).

  The lower left and right fourth frames 21b and 21b and the middle of the left and right third frames 21e and 21e are connected by left and right fifth frames 21f and 21f. An intermediate portion of the left and right first front frames 21a, 21a is connected by a front connection frame 21g. Slightly above the lower ends of the left and right fourth frames 21b, 21b are connected by a rear connecting frame 21h.

  A front glass GF is attached between the front connection frame 21g and the upper frame 21c, and a lower front glass GFu is attached below the front connection frame. A rear glass 57 is provided between the rear connecting frame 21h and the upper frame 21c, and the rear glass 57 is configured to be openable and closable outward with the upper side as a fulcrum. In addition, a left first glass LG1 is attached between the left first front frame 21a and the left second frame 21d, and between the left third frame 21e and the left fourth frame 21b, The left second glass LG2 is attached, and the right first glass RG1 is attached between the right first front frame 21a and the right second frame 21d, and the right third frame 21e and the right second frame 21d are attached. A condenser 48 for cooling and liquefying the air-conditioning refrigerant is attached between the four frames 21b, and the right second glass RG2 is attached to the lower side of the condenser 48.

  The medicine tank 30 is installed close to the left and right fourth frames 21b and 21b and below the left and right fifth frames 21f and 21f and further to the rear of the left and right third frames 21e and 21e.

  Left and right work lights WR1 and WR2 are provided on the front upper portion of the cabin 20. Further, left and right headlamps BFL and BFR are provided at the front portion of the bonnet BN. The left and right work lights WR1 and WR2 are configured to be interlocked with the left and right headlamps BFL and BFR. That is, when the left and right work lights WR1 and WR2 are turned on, the left and right headlamps BFL and BFR are turned off. Thereby, since it does not light simultaneously, charging / discharging performance can be ensured and the battery can be prevented from running out.

  The medicine tank 30 is a container for containing medicine sprayed from the boom 40. As shown in FIG. 1, the medicine tank 30 is disposed on the rear side of the cabin 20. As shown in FIG. 4 in plan view, the medicine tank 30 is formed in a U shape so as to surround the left and right sides and the rear side of the driver seat 4. The medicine tank 30 is detachably mounted on the main frame 3. The drug is a liquid such as a liquid obtained by dissolving a fertilizer, an agricultural chemical or the like in a solvent (for example, water) and a liquid (eg, water) containing a solid content such as a fertilizer or an agricultural chemical.

  As shown in FIG. 5, the control boom 40 is for spraying medicine on the front side of the medicine spraying vehicle 1. In FIG. 5, the cabin 20 is omitted. The boom 40 is provided on the front side of the traveling vehicle body 2. The boom 40 includes a center boom 40a and side booms 40b and 40b on both sides. The center boom 40 a is disposed on the front side of the medicine spraying vehicle 1 and extends horizontally in the vehicle width direction of the traveling vehicle body 2. In the center boom 40a, a plurality of nozzles 41a for injecting medicine in a mist form are arranged at intervals. The left and right side booms 40b are attached to the left and right sides of the center boom 40a so as to be switchable between a spraying posture extending in the vehicle width direction of the traveling vehicle body 2 and a storage posture along the left and right sides of the traveling vehicle body 2. The side boom 40b is supported by boom receivers 80 disposed on the left and right sides of the rear side of the traveling vehicle body 2 in the storage posture. In the side boom 40b, a plurality of nozzles 41b for spraying the medicine in a mist form are arranged at intervals.

  The condenser 48 of the air conditioner is provided at the above-described position and cools the refrigerant. The refrigerant that has been liquefied is sent to a receiver dryer 55 (see FIG. 3) installed behind the condenser 48. It is done. The capacitor 48 is configured to be covered with a capacitor cover 48a.

  As shown in FIG. 2, the air conditioner main body 100 that generates cooling air is disposed on the ceiling of the cabin 20, and is covered with a cabin roof 22 that covers the upper portion of the cabin 20. Thereby, the air-conditioner main body 100 can be protected from the scattered chemicals at the time of control. Further, as shown in FIG. 1, the outside air introduction unit 110 of the air conditioner is configured to be provided below the center of the rear part of the cabin roof 22. Thereby, it becomes possible to introduce outside air from the rear portion where the chemical solution is less scattered.

  Further, a cover 715 is provided between the cabin 20 and the medicine tank 30. The cover 715 may be made of sheet metal or may be made of an elastic body such as rubber. Further, an insulator is provided between the bonnet BN and the front glass GF of the cabin 20 and between the bonnet BN and the left and right lower front glasses Gfu. As a result, it is possible to prevent water, rainwater, dust and the like from entering during car washing. Appearance is also improved.

  Left and right open / close doors 25L and 25R fitted with glass plates are provided on both side surfaces of the cabin 20. In a state in which the left door 25L is closed, the left door 25L is formed in a portion surrounded by the left second frame 21d, the left third frame 21e, the upper frame 21c, and the floor (floor) ST portion. It is assumed to be positioned. Since the right door 25R is symmetrical with the left door 25L, description thereof is omitted. In addition, description of the members provided symmetrically is also omitted.

  The figure shown in FIG. 7 has shown the figure which looked at the front half of the chemical | medical agent dispersion | distribution vehicle 1 at the time of opening the left opening / closing door 25L from diagonally upward left.

  FIG. 8 is a partial plan view of the left open / close door 25L as viewed from above, and FIG. 10 is a partial plan view of the left open / close door 25L as viewed from above. FIG.

  As shown in FIGS. 6, 8, and 10, a left holder 26 </ b> L that holds the left open / close door 25 </ b> L when opened is provided at the left end of the front surface of the cabin 20. Specifically, the left front projecting arm 27L facing forward is fixed to the upper portion of the left first front frame 21a by welding, and the left holder 26L is attached to the left front projecting arm 27L with a screw. Yes. The left holder 26L has a configuration of a leaf spring that is sandwiched from above and below. The left open / close door 25L is held in an open state by the rod-shaped left striker 29L attached to the left open / close door 25L by welding between the left holder 26L.

  Further, a left side rearview mirror 35L is attached to the left front projecting arm 27L via a left support plate 36L.

  FIG. 11A shows a perspective view of the cabin frame 21 in a state in which the left open / close door 25L is closed. FIG. 11B shows a perspective view of the cabin frame 21 in a state where the left opening / closing door 25L is completely opened.

  As shown in FIGS. 11 (A) and 11 (B), a U-shaped left door frame 34L is attached to a plurality of portions that are important points of the left open / close door 25L. The left door frame 34L is attached to the glass portion 25g of the left open / close door 25L. A hole is made in the glass portion 25g and fixed with screws.

  The left opening / closing door 25L and the cabin main body side are connected by an upper opening / closing arm 31 and a lower opening / closing arm 31.

  The upper opening / closing arm 31 and the lower opening / closing arm 31 are configured as follows.

  The left door frame 34L has a U-shape, and includes an upper side 34Lu, a front side 34Lf, and a lower side 34Ld. An upper first fulcrum 34a is provided on the upper part 34Lu, an upper second fulcrum 34b is provided on the upper part of the left intermediate frame 21d, and the upper first fulcrum 34a and the upper second fulcrum 34b are connected to the upper open / close arm. 31 is connected.

  The lower opening / closing arm 31 has the same shape as the upper opening / closing arm 31. The lower opening / closing arm 31 is connected by a lower first fulcrum 34a and a lower second fulcrum 34b.

  The upper opening / closing arm 31, the upper first fulcrum 34a, the upper second fulcrum 34b and the lower opening / closing arm 31, the lower first fulcrum 34a, and the lower second fulcrum 34b are at the same position in plan view. . For this reason, the fulcrum arm 34a1 is attached to the rear side from the front side portion 34Lf of the left door frame 34L, and the lower first fulcrum 34a is provided on the fulcrum arm 34a1.

  The upper and lower opening and closing arms 31 and 31 are bent in a J-shape. When the left opening and closing door 25L is opened as shown in FIG. 11B, the upper and lower opening and closing arms 31 and 31 are left. The second fulcrum 34b, 34b rotates around the axis so as to bypass the outer side of the intermediate frame 21d.

  The left upper frame 21c is provided with a guide plate 32 having a curved guide groove 32a, and the curved guide groove 32a guides the open / close track of the left open / close door 25L. That is, the guide groove 32a is always fitted with a pin 25a supported and fixed upward at the rear upper end of the opening / closing door 25. When the left opening / closing door 25L moves to the open side, the guide plate 32 is curved. The open / close door 25 moves together with the pin 25a along the guide groove 32a and opens up to the position shown in FIGS. 7, 10, and 11B.

  Further, as shown in FIG. 11A, the striker 29L provided on the left door frame 34L, the upper opening / closing arm 31 and the rotation fulcrum 34a of the left door frame 34L are provided with a gap in the vertical direction. There is no possibility that a finger is caught between the striker 29L and the upper opening / closing arm 31.

  While the left open / close door 25L shown in FIG. 8 moves to the open state shown in FIGS. 7 and 10, the left open / close door 25L does not interfere with surrounding members. The left opening / closing door 25L moves greatly to the left front of the cabin 20, so that the operator in the cabin 20 can easily get out of the medicine spraying vehicle 1. That is, the left open / close door 25L opens and closes within the space of the left side boom 40L and the cabin 20 main body.

  Further, as a feature of this configuration, the state shown in FIG. 9 is obtained between the closed state shown in FIG. 8 and the open state shown in FIG. The state shown in FIG. 9 is a state translated from the state of FIG. That is, the left open / close door 25L translates forward while moving toward the outside of the cabin 20. Thereafter, as shown in FIG. 10, the front side of the left open / close door 25 </ b> L moves forward while rotating and moving toward the cabin main body.

  Further, as shown in a perspective view of the upper left front portion of the cabin 20 in FIG. 6, a left side rear-view mirror 35 </ b> L capable of monitoring the rear of the fuselage is disposed in the upper left front portion of the cabin 20. The left side rearview mirror 35 is fixedly supported by a support plate 36 disposed above the side surface of the cabin 20. The left support plate 36L is attached to the left front projecting arm 27L with a bolt. Further, the through hole 36a of the left front projecting arm 27L can be used as one hole for lifting the cabin. Since the right side rearview mirror 35R has a symmetric configuration, description thereof is omitted.

  FIG. 13 is a cross-sectional view of the cabin, and the right open / close door 25R is viewed from the inside of the cabin. The right door 25R is provided with a front locking knob 42 and a rear locking knob 43.

  Further, as in the configuration example shown in the perspective view of the left open / close door 25L in FIG. 14, by providing the connecting frame 44 that connects the upper and lower open / close arms 31, 31, the left open / close door 25L can be opened and closed stably. It can be carried out. However, the left opening / closing door 25L can be opened / closed more stably by configuring the connecting frame 44 on the opening / closing door 25L to the left of half of the longitudinal direction of the opening / closing arm 31. The connecting frame 44 can be used as an opening / closing handle for the left opening / closing door 25L.

  FIGS. 15 to 18 show other configurations of the opening and closing methods of the left and right open / close doors 25L and 25R, and the cabin roof 22 is removed for easy viewing. Also in this case, the left opening / closing door 25L and the right opening / closing door 25R are symmetrical, so the left opening / closing door 25L will be described, and the description of the right opening / closing door 25R will be omitted.

  The structure of the left guide rail 501L arranged from the front part of the cabin 20 to the front of the member corresponding to the guide plate 32 (the opening / closing guide plate of the opening / closing door 25L) will be described. A first attachment portion 510 is fixed to the left upper frame 21c by welding, and the rear portion of the left guide rail 501L is attached to the first attachment portion 510 with a bolt 510a. And it is set as the structure which attaches the front part of the left guide rail 501L with the volt | bolt 510b with respect to the left front protrusion arm 27L for attaching the left side back mirror 35L. Further, in front of the first mounting portion 510, the second mounting portion 511 is fixed to the left upper frame 21c by welding, and the connecting plate 511a is fixed to the upper portion of the intermediate portion of the left guide rail 501L by welding. The plate 511a and the second attachment portion 511 are attached with bolts 511b. As a result, the left guide rail 501L is fixed at three positions with respect to the machine, so that the left guide rail 501L does not bend and the pin 501a on the open / close door 25L side moves smoothly in the guide groove 501La. The lower side of the pin 501a is fixed to the upper front part of the left opening / closing door 25L, and the upper side of the pin 501a always enters the guide groove 501La of the left guide rail 501L.

  Since the guide 501L (left guide rail) 501L for moving the open / close door 25 in the front-rear direction is provided on the upper part of the cabin 20, it does not interfere with the operator when getting in and out of the cabin 20.

  Further, since the left guide rail 501L is provided on the upper frame 21c constituting the cabin 20, the left guide rail 501L can be firmly supported.

  Since the front portion of the left guide rail 501L is configured to protrude forward of the cabin 20, the open / close door 25 opens greatly toward the front.

  FIG. 15 shows a state where the open / close door 35L is closed. FIG. 16 shows a state in which the left opening / closing door 25L is opened halfway, and the left opening / closing door 25L is opened by parallel movement up to this position. FIG. 17 shows a state in which the left opening / closing door 25L is completely opened.

  Since the left guide rail 501L itself is arched, there is a space between the inside of the left guide rail 501L and the left upper frame 21c. This improves the appearance of the appearance. Moreover, since a large guide rail is not located above the entrance / exit part 502, it becomes easy to get on and off.

  FIG. 19 is a perspective view of the cabin frame 21 in a state in which the left opening / closing door 25L is closed. FIG. 20 is a perspective view of the cabin frame 21 in a state where the left opening / closing door 25L is completely opened. 19 and 20 is an improved configuration of the configuration of FIG. The movements of the upper and lower open / close arms 31 and 31 and the fulcrum are the same as in the configuration of FIG.

  The left door frame 34L is continuously arranged at the necessary minimum portion of the upper part and the rear part of the left open / close door 25L (inverted L shape). The left open / close door 25L has a single glass portion 25g. Thereby, a visual field becomes favorable.

  The connecting frame 44 that connects the upper and lower open / close arms 31 is configured to be moved as far forward as possible. A holding holder 700 for holding the closed state is provided at the rear portion of the left open / close door 25L and at the upper and lower intermediate portions. The holding holder 700 is not a locking device but a locking member. The holding holder 700 automatically rotates by contacting the tapered member by closing the left opening / closing door 25L. Moreover, since the spring is provided inside the holding holder 700, the holding holder 700 itself comes into close contact with the tapered member, so that the left open / close door 25L is appropriately held.

  It is automatically locked. A locking knob 701 for locking the opening / closing door 25L is provided at the front portion of the left opening / closing door 25L and in the middle of the upper and lower sides. The lock knob 701 has a lock arm 702 that rotates integrally with the knob 701. Reference numeral 703 denotes an opening / closing handle that opens and closes the left opening / closing door 25L, and is arranged from the vicinity of the locking knob 701 to the vicinity of the holding holder 700. Thereby, operability is improved. Specifically, the front part of the opening / closing handle 703 is attached to a base 701a for attaching the locking knob 701 to the glass portion 25g, and the rear part of the opening / closing handle 703 is attached to the left door frame 34L.

  Between the left first front frame 21a and the connecting frame 44, there is provided a damper 704 that is always pushed in the direction of opening the left opening / closing door 25L. Accordingly, when the lock knob 701 is used to release the lock, the left door 25L is automatically opened. Further, a left boarding handle 705 is provided at the upper and lower middle parts of the left middle frame 21d. The connecting frame 44 can also be used as a handle for getting on and off.

  Further, as shown in FIG. 21, the connecting frame 44 is shaped so as to avoid the left part getting on / off handle 705, so that it can be easily held when getting on and off. An opening / closing handle 706 is provided at the lower rear portion of the left opening / closing door 25L. Thereby, even when the left side boom 40L is stored, the opening / closing operation of the opening / closing door 25L is facilitated. Reference numeral 707 denotes a striker when the left opening / closing door 25L is closed, and is configured to be provided between the left intermediate frame 21d and the left portion entrance handle 705. Thereby, the rigidity of the striker 707 can be secured.

  The position of the left side rearview mirror 35L is configured to be switchable between the normal state in FIG. 18 and the good visibility state in FIG.

  FIG. 23 shows the positional relationship between the left door frame 34L and the glass portion 25g of the left open / close door 25L. The gap L1 between the left door frame 34L and the glass portion 25g is configured to increase as the distance from the vertical middle portion of the left door frame 34L increases in the vertical direction. Thereby, the sealing performance when the left opening / closing door 25L is closed is improved.

  Next, the boarding / alighting auxiliary step and the work auxiliary step will be described. As shown in FIG. 24, a boarding / alighting assisting step 600 is provided approximately at the center between the front wheel 6 and the rear wheel 7. The boarding / alighting auxiliary step includes a first step 600a and a second step 600b.

  Further, an auxiliary work step 601 is provided above the rear wheel 7 (above the front part of the rear wheel 7) and below the medicine tank 30. As a result, the operator can move from the cabin 20 to the work auxiliary step 601 and can easily perform operations such as water supply by removing the lid 30a of the medicine tank 30 while being placed on the work auxiliary step 601. Both the boarding / alighting step 600 and the work step 601 are configured to be detachable from the body frame. A fuel tank 604 is provided below the cabin 20. A cutout portion 605a is formed in the exterior plate 605 below the left opening / closing door 25L, and a fuel cap 604a of the fuel tank 604 is provided in the cutout portion 605a. Since the second stage step 600b is arranged below the side of the fuel supply cap 604a, the second stage step 600b can be used as a table on which a replenishment tank is placed when refueling. In addition, because of the wheel base relationship between the front wheel 6 and the rear wheel 7, the first step 600a is located between the front wheel 6 and the rear wheel 7 and does not contact the front wheel 6. The front and rear positions of 600b are shifted from the first step 600a toward the front side of the aircraft. That is, when the left opening / closing door 25L is opened, the left opening / closing door 25L portion becomes the entrance / exit, so the second step 600b is disposed at a substantially central portion in the front-rear direction of the left opening / closing door 25L. However, the position of the second step 600b may be anywhere as long as there is no problem when getting in and out of the cabin 20.

  As shown in FIG. 25, the left fourth frame 21b of the cabin 20 is provided with a left boom stopper 602L. Similarly, the right fourth frame 21b is also provided with a right boom stopper 602R (see FIG. 2). Accordingly, when the left and right side booms 40b are stored in the boom receiver 80, the left and right side booms 40b can be prevented from coming into contact with the cabin 20 main body. The elastic body (rubber) 603 is attached to the surface of the left boom stopper 602L and the surface of the right boom stopper 602R with bolts 603a, but may be attached with an adhesive. Thereby, an impact can be absorbed and damage to the left and right side booms 40b can be prevented. Further, when working on the work step 601, the left boom stopper 602L also serves as a hand catcher. FIG. 27 shows an enlarged view near the left boom stopper 602L. A left turn signal 710 is provided inside the elastic body (rubber) 603 and above the left boom stopper 602L. Also, a boom external switch 711 for operating the control boom 40 is provided inside the elastic body (rubber) 603 and below the left boom stopper 602L. Reference numeral 711a is a lifting boom lifting switch, and reference numeral 711b is a boom opening / closing switch. Thereby, the separate member for attaching the left turn signal 710 and the boom external switch 711 becomes unnecessary. Further, as shown in FIG. 28, by removing the fixing bolt 712 and loosening the upper and lower bolts 714, the left boom stopper 602L can be appropriately rotated and fixed using the shaft core 713 as a rotation fulcrum.

  As shown in FIG. 26, a damper 708 is provided between the rear connection frame 21 h and the rear glass 57. Thereby, the opening / closing operation of the rear glass 57 becomes easy and the visibility is also improved. Reference numeral 709 denotes a receiver dryer cover. The cover 709 includes a refrigerant inspection window 709a. Thereby, the rear glass 57 is opened, and the refrigerant inspection becomes easy.

  FIG. 29A is a side view around the capacitor. FIG. 29B shows an enlarged view of the capacitor cover 48a. As shown in FIG. 29B, the dustproof net 48b is configured to be slidable forward and detachable. This facilitates inspection work. Further, the handle 48c portion of the condenser cover 48a is formed at a position where it does not interfere with the right door 25R.

  As shown in FIG. 30, a back monitor stay 717 is attached to the rear cabin frame 21c. As shown in FIG. 31, a monitor 718 is attached to the left first front frame 21 a so that the scenery behind can be displayed on the monitor 718. The monitor 718 is configured to be able to display various information on the aircraft, warning guidance, GPS traveling direction, and the like. Further, since the monitor 718 and the left side rearview mirror 35L enter the same field of view, the driving operation becomes easier.

  As shown in FIG. 32, a GPS antenna stay 719 is provided at the center of the front cabin frame 21c. Since the GPS antenna stay 719 is configured in an L shape, the GPS antenna stay 719 is disposed on the upper side of the cabin roof 22 and the reception sensitivity is improved.

  As shown in FIG. 33, a rear cover 720 is provided between the lower side of the rear glass 55 and the medicine tank 30. Only the upper end portion of the rear cover 720 is fixed to the rear connection frame 21h with bolts 720a at a plurality of positions, and the lower end portion of the rear cover 720 is not fixed. As a result, entry of water or dust can be prevented, and appearance can be improved.

2 traveling vehicle body 6 front wheel 7 rear wheel 20 cabin 21c upper frame 25 door 30 chemical tank 40 control boom 501L guide (guide rail)

Claims (3)

A cabin (20) serving as an operator cockpit on the traveling vehicle body (2);
A control boom (40) configured to be switchable to a chemical spraying posture extending in the left-right direction and a storing posture extending in the front-rear direction on the side of the cabin (20);
A medicine tank (30) is provided behind the cabin (20),
In the self-propelled control machine that can run on the left and right front wheels (6, 6) and the left and right rear wheels (7, 7),
A self-propelled control machine provided with a guide tool (501L) for moving the open / close door (25) of the cabin (20) in the front-rear direction, the guide tool (501L) being provided at the upper part of the cabin (20). .   The self-propelled pest control machine according to claim 1, wherein the guide tool (501L) is provided on an upper frame (21c) constituting the cabin (20).   The rear part of the guide tool (501L) is attached to the upper frame (21c), and the front part of the guide tool (501L) is configured to protrude forward of the cabin (20). Self-propelled control machine.

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