JP2021075129A - Riding management machine - Google Patents

Abstract

To provide a riding management machine having a chemical agent tank and a spray boom for spraying a chemical agent stored in the chemical agent tank, the riding management machine being designed such that an environment for an operating unit is made satisfactory for comfortable steering while a weight reduction is achieved.SOLUTION: A pair of left and right front support posts 30 is provided at a front part of an operating unit C, and a rear support post 32 is provided at a rear part of the operating unit C. A transparent front plate member 21 covering a boarding space 20 of the operating unit C is supported by the pair of left and right front support posts 30. A roof member 22 positioned above the boarding space 20 is supported on an upper portion of the pair of left and right front support posts 30 and an upper portion of the rear support post 32.SELECTED DRAWING: Figure 1

Description

The present invention relates to a passenger management machine.

The passenger management machine includes a driving unit formed on the traveling machine, a chemical tank equipped on the traveling machine to store chemicals, and a spray boom equipped on the traveling aircraft to spray the chemicals stored in the chemical tank. , Are provided. As a passenger management machine of this type, for example, there is one shown in Patent Document 1. The passenger management machine shown in Patent Document 1 includes a driving unit having a cabin, a chemical solution tank as a chemical tank, and a side boom as a spray boom.

Japanese Unexamined Patent Publication No. 2016-78616

In the above-mentioned passenger management machine, if the driver's unit is equipped with a cabin, the weight of the traveling machine increases. Therefore, when working in a wet field, the weight of the entire passenger management machine is further increased by the chemicals stored in the chemical tank. In order to avoid difficulty in driving and maneuvering, the drug tank is not filled and the work must be interrupted to replenish the drug more often.

The present invention provides a passenger management machine that can be obtained lightweight while having a favorable environment in which the driving unit can be operated lightly.

The passenger management machine according to the present invention
A traveling machine body, a driving unit formed on the traveling machine body, a chemical tank equipped on the traveling machine body and storing chemicals, and a spraying agent equipped on the traveling machine body and storing the chemicals in the chemical tank. A boom is provided, and the driving unit is provided on a pair of left and right front columns provided at the front portion of the driving unit, a rear column provided at the rear portion of the driving unit, and a pair of left and right front columns. It is supported by a transparent front plate member that covers the boarding space of the driving unit from the front, the upper part of the pair of left and right front columns, and the upper part of the rear column, and is located above the boarding space. It has a roof member.

According to this configuration, the entry of sunlight into the boarding space is suppressed by the roof member, and the entry of wind into the boarding space is suppressed by the roof member and the front plate member. Can be made. Since a favorable environment is provided by the front support, the rear support, the front plate member, and the roof member, the weight of the traveling machine body can be reduced as compared with the case where the cabin is provided.

In the present invention
It is preferable that a step for getting on and off is provided on the lateral outer side of the driving unit, and a handle member that can be used when getting on and off using the step for getting on and off is supported by the front support.

According to this configuration, since the front strut is used as a support member for the handle member to provide the handle member, a passenger management machine that is easy to get on and off can be obtained at low cost.

In the present invention
It is preferable that the rear struts are composed of a pair of left and right rear struts, and the upper ends of the pair of left and right rear struts are connected by a connecting portion.

According to this configuration, since the pair of left and right rear columns are reinforced by the connection by the connecting portion, the rear columns can be provided with the rops function.

In the present invention
It is preferable that the rear strut portion has a lower strut portion and an upper strut portion that is detachably supported by the lower strut portion.

According to this configuration, the upper strut portion can be attached to the lower strut portion for use, or can be removed from the lower strut portion and stored, which is convenient.

In the present invention
It is preferable that a reinforcing member connected to the base portion of the rear strut and a portion of the fuselage frame that is separated from the base portion in the front-rear direction of the fuselage is provided.

According to this configuration, the rear strut is firmly supported by the airframe frame, so that the roof member is firmly supported so as not to rattle.

In the present invention
A work frame extending in the vertical direction of the machine body is provided in a portion of the traveling machine body located behind the driving part, and a work frame for connecting the work devices is provided. It is preferable that a support rod having an end portion connected to the work frame is provided, and the reinforcing member is connected to a portion of the body frame that is separated from the base portion on the front side of the machine body.

According to this configuration, when the work device is connected to the work frame, an operating force in the direction of tilting the rear support column backward is generated by the load of the work device applied to the rear support column via the support rod and the work frame. Since the rear strut is supported by the reinforcing member against the operating force, the rear strut can be firmly supported so as not to be tilted.

In the present invention
It is preferable that a switching lever for switching the spray boom between the spraying state and the stopped state is provided, a lever support member supported by the reinforcing member is provided, and the switching lever is supported by the lever support member. ..

When the lever support member is supported by a support column erected on the machine frame, the lever support member is placed at an appropriate height position so that the switching lever supported by the lever support member is installed at a height position that is easy to operate. Requires a long special strut to support with. According to this configuration, the lever support member can be supported at an appropriate height position by utilizing a reinforcing member for the support member that supports the lever support member, so that the switching lever can be inexpensively operated at a height position. Can be installed.

In the present invention
A support frame is provided at the front portion of the traveling machine body so as to extend in the vertical direction of the machine body and supports the engine bonnet so as to be able to open and close vertically, and the front support column is extended from the upper part of the support frame. Is suitable.

According to this configuration, the length of the front strut can be shortened as compared with extending the front strut from the main frame of the traveling aircraft.

In the present invention
The support frame is formed in a U shape that opens downward and is provided so as to straddle the rear portion of the engine room, and extends forward from the upper part of the support frame to the inside of the engine bonnet to allow water to flow. It is preferable that a guide portion for guiding the flow down toward the lateral outer side of the engine room is provided.

According to this configuration, the guide portion faces the gap between the engine bonnet and the support member, and even if water such as car wash water enters the gap between the engine bonnet and the support member, it is received by the guide portion and the engine room. Since the guide portion guides the engine to flow down to the laterally outer side of the engine, it is easy to avoid the harm caused by water such as water falling on the flywheel of the engine and causing rust on the flywheel.

In the present invention
It is preferable that a heat shield member is provided which is supported by the support frame, closes the internal space of the support frame, and suppresses heat transfer from the engine room to the operation unit.

According to this configuration, it is possible to inexpensively suppress heat transfer to the operation unit by utilizing a support frame as a mounting member for the heat shield member.

In the present invention
A fuse box is provided next to the operation panel provided in the operation unit, and a flange portion for connecting the front column to the support frame is provided at the base of the front column, and the flange portion is provided. It is preferable that a box support member extended from the fuse box is provided and the fuse box is supported by the box support member.

According to this configuration, since the fuse box is located next to the operation panel, it is easy to inspect and replace the fuse.

A flange can be used as a member for connecting the box support member to the front strut, so that the box support member can be made into the front strut. By connecting the flange portion to the support frame, the front strut and the box support member can be connected to the support frame at once, so that the front strut and the box support member can be easily attached to the support frame and can be inexpensive.

In the present invention
A transparent front plate member that is supported by the front support and covers the boarding space of the driving unit from the front is provided, and the fuse box is provided in a state of being positioned rearward with respect to the front plate member. It is preferable to have it.

According to this configuration, since the lower part of the traveling machine can be seen from the operating unit through the empty space between the front plate member and the fuse box, it is easy to know the condition of the field under the traveling machine.

In the present invention
It is preferable that the fuse box is provided so that the length in the width direction of the airframe in the front-rear direction of the airframe is shorter than the length in the up-down direction of the airframe in the front-rear view of the airframe.

According to this configuration, when looking ahead from the driving unit through the side of the driving panel, the fuse box is unlikely to be an obstacle to the line of sight, so it is easy to see.

In the present invention
It is preferable that the fuse box is provided at a position higher than the floor portion of the operating portion.

According to this configuration, the front and lower parts of the traveling machine can be seen from the driving unit through the empty space between the fuse box and the floor, so that it is easy to know the situation of the wheels and the vicinity of the wheels.

It is a left side view which shows the whole of a passenger type management machine. It is a right side view which shows the whole of a passenger type management machine. It is a top view which shows the whole of a passenger type management machine. It is a perspective view which shows the airframe frame, the front column and the rear column. It is a left side view which shows the airframe frame, the front column and the rear column. It is a vertical sectional side view which shows a support frame and a heat shield member. It is a front view which shows the support frame, a heat shield member, and a fuse box. It is a right side view which shows a reinforcing member, a switching lever, a support frame, and a fuse box. It is a vertical sectional front view which shows a work step. It is a right side view which shows the switching lever support structure which includes another embodiment.

Hereinafter, embodiments that are an example of the present invention will be described with reference to the drawings.
In the following description, with respect to the traveling body of the passenger management machine, the direction of the arrow F shown in FIGS. 1, 2 and 3 is shown as "front of the machine", the direction of the arrow B is shown as "rear of the machine", and FIGS. The direction of the arrow U is "upper to the aircraft", the direction of the arrow D is "lower to the aircraft", the direction of the arrow L shown in FIG. 3 is "to the left of the aircraft", and the direction of the arrow R is "to the right of the aircraft".

[Overall passenger management machine]
As shown in FIGS. 1, 2 and 3, the traveling machine of the passenger management machine includes a machine frame 10 having a pair of left and right main frames 11. A pair of left and right front wheels 1 are steerably and driveably equipped on the front portion of the airframe frame 10, and a pair of left and right rear wheels 2 are steerably and driveably equipped on the rear portion of the airframe frame 10. .. Specifically, the front wheels 1 are movably supported by both lateral ends of the front wheel drive case 7 supported by the front portion of the airframe frame 10. The rear wheels 2 are movably supported by both lateral ends of the rear wheel drive case 8 supported by the rear portion of the fuselage frame 10. The front wheel drive case 7 and the rear wheel drive case 8 are provided from the body side case portions 7a and 8a supported by the body frame 10 in a state of extending in the lateral width direction of the traveling machine body and from both lateral ends of the body side case parts 7a and 8a. It has wheel-side case portions 7b and 8b that are extended downward and support the front wheels 1 and the rear wheels 2, and the wheel-side case portions 7b and 8b are in the vertical direction of the fuselage with respect to the fuselage-side case portions 7a and 8a. The front wheels 1 and the rear wheels 2 are steered by rotating around the steering shaft core in the direction along the above. A driving portion A having an engine 3 is formed at the front portion of the traveling machine body. A boarding-type driver C having a driver seat 23 is formed in the middle of the traveling machine in the front-rear direction. A boarding / alighting section K for getting on / off the driving section C is formed on the left lateral outer side of the driving section C. A chemical spraying unit 6 for spraying the chemical is provided in a portion of the machine frame 10 on the front side of the prime mover A. A drug storage unit Y having a drug tank 50 for storing a liquid drug is provided at the rear of the traveling machine body. A fuel storage unit N having a fuel tank 60 for an engine is provided on the right lateral side of the traveling machine body. A second working portion S having a broad caster 70 as a working device is formed at the rear portion of the traveling machine body.

[Airframe frame configuration]
As shown in FIG. 4, the airframe frame 10 is erected at a portion of the pair of left and right main frames 11 extending in the front-rear direction of the traveling aircraft and the left and right main frames 11 corresponding to the driving portion A, and is an engine bonnet. It has a support frame 12 that supports 4 and the like, and a driver frame 13 that is erected at a portion of the pair of left and right main frames 11 that corresponds to the driver unit C and supports the driver seat 23 and the like. The left and right main frames 11 are a square frame portion 11a that supports the chemical tank 50 and the like, and a plate-shaped frame portion 11b that extends forward from the front portion of the square frame portion 11a and supports the engine 3 and the chemical spraying unit 6 and the like. And have. The front end portions of the left and right main frames 11 are connected by the front connecting frame portion 11c. The front connecting frame portion 11c is integrally molded with the left and right plate-shaped frame portions 11b. Reinforcing members 15 are connected to two locations in the width direction of the traveling machine body of the driving unit frame 13 and connecting members 14 connecting the left and right main frames 11.

As shown in FIGS. 4, 6 and 7, the support frame 12 is formed in a U shape that opens downward and has an internal space 12a. The support frame 12 is supported by the left and right main frames 11 so as to straddle the rear portion of the engine room 5. A bonnet support portion 16 is provided at the center of the upper portion of the support frame 12 in the lateral width direction of the machine body. The guide portion 17 extends forward from the portions of the upper portion of the support frame 12 located on both lateral sides of the bonnet support portion 16. A heat insulating sound insulating member 18 is supported at the rear portion of the supporting frame 12 in a state of blocking the internal space 12a of the supporting frame 12.

[Structure of driving part]
As shown in FIGS. 1, 3 and 6, the driving unit A has an engine room 5 formed by the engine bonnet 4 and an engine 3 provided in the engine room 5. The engine 3 is provided in the engine room 5 in a state where the flywheel 3a provided at the rear portion of the engine 3 is located below the internal space 12a of the support frame 12. The rear end portion of the engine bonnet 4 is configured to support the bonnet support portion 16 provided on the support frame 12 via the connecting shaft 19. The engine bonnet 4 is configured to be supported by the support frame 12 in a state where it can swing up and down with the axis of the connecting shaft 19 in the direction along the width direction of the traveling machine as a swing fulcrum. The guide portion 17 provided in the support frame 12 extends to the inside of the closed engine bonnet 4, and the engine faces the gap between the closed engine bonnet 4 and the support frame 12. It is located inside the bonnet 4. When water such as car wash water enters the gap between the engine bonnet 4 and the support frame 12, the guide portion 17 catches the water and flows down toward the lateral outer side of the engine room 5. You will be guided. The guide portion 17 prevents water from falling onto the flywheel 3a or the like of the engine 3. The heat insulation and sound insulation member 18 suppresses the heat and sound generated in the engine room 5 from being transmitted to the operation unit C through the internal space 12a of the support frame 12.

[Structure of chemical spraying unit]
As shown in FIGS. 1, 2 and 3, the chemical spraying unit 6 is equipped with a center spraying boom 6a and a pair of left and right side spraying booms 6b. The center spraying boom 6a is provided at the front end of the chemical spraying unit 6 in a state of extending in the lateral width direction of the traveling machine body. The pair of left and right side spray booms 6b are distributed to both lateral sides of the center spray boom 6a. The center spray boom 6a and the pair of left and right side spray booms 6b are supplied by a power spray pump (not shown) to spray the chemicals stored in the chemical tank 50. The pair of left and right side spray booms 6b are supported in a swingable state over a spraying posture overhanging to the lateral outside of the traveling machine and a retracted posture located on the lateral side of the running machine along the front-rear direction of the running machine. ing. The posture of the pair of left and right side spray booms 6b is changed by the expansion and contraction operation of the hydraulic cylinder 6c connected to the support member of the side spray boom 6b.

[Structure of driving unit]
As shown in FIGS. 1, 2 and 3, the driving unit C has a boarding space 20, a transparent front plate member 21 that covers the boarding space 20 from the front, and a roof member 22 located above the boarding space 20. ing. A driver's seat 23 is provided at the rear of the boarding space 20. A floor portion 24 is provided below the front of the driver's seat 23. In front of the driver's seat 23, a steering wheel 25 for steering the front wheels 1 and the rear wheels 2 and a driving panel 26 equipped with a speedometer and the like are provided. A fuse box 27 is provided on the right lateral side of the operation panel 26. Three switching levers 28 are provided on the right lateral side of the driver's seat 23. The lower part of the driver's seat 23 is covered with the under-seat cover 23a. The driver's seat 23 and the under-seat cover 23a are inserted into the recessed portion provided in the front portion of the medicine tank 50. The lower part of the operation panel 26 is covered with the panel lower cover 26a. The boarding space 20 is formed by a floor portion 24, a seat under cover 23a, and a panel under cover 26a. As shown in FIG. 5, a floor mat 29 is laid on the floor portion 24. The floor mat 29 is laid in a state where the rear end portion of the floor mat 29 is inserted below the under-seat cover 23a.

As shown in FIGS. 1, 2 and 5, the front plate member 21 is supported by a pair of left and right front columns 30 provided in the front portion of the driving unit C. Specifically, the left and right front columns 30 have brackets 31 provided at a plurality of locations of the front columns 30, as shown in FIGS. 4, 5 and 7. The peripheral portion of the front plate member 21 is bolted to each bracket 31. In the present embodiment, an acrylic plate is adopted as the front plate member 21, but the present invention is not limited to this. For example, a resin plate other than acrylic resin, a glass plate, or the like can be used.

As shown in FIGS. 1 and 2, the roof member 22 is supported by the upper part of the pair of left and right front columns 30 and the upper part of the pair of left and right rear columns 32 provided at the rear part of the driving unit C. Specifically, the roof member 22 has a mounting rod 22a (see FIGS. 4 and 5) mounted on the back surface side of the roof member 22 along the peripheral portion of the roof member 22. The mounting rod 22a is connected to the front support column 30 and the rear support column 32. In the present embodiment, the roof member 22 is made of a resin material, but the roof member 22 is not limited to this. For example, it may be made of leather, cloth, or the like.

The left and right front columns 30 extend from the upper part of the support frame 12, as shown in FIGS. 5, 7, and 8. To support the left and right front columns 30 to the support frame 12, a flange portion 33 provided at the base portion 30a of the front column 30 is provided on the upper portion of the support frame 12, as shown in FIGS. This is done by connecting to the seat portion 34. The flange portion 33 is connected to the seat portion 34 by a connecting bolt.

As shown in FIG. 4, the upper end portions of the left and right rear columns 32 are connected to each other by the upper connecting portion 35a, and the intermediate portions of the left and right rear columns 32 are connected to each other by the middle connecting portion 35b. The upper connecting portion 35 is integrally formed with the left and right rear columns 32. The left and right rear columns 32 are reinforced by the connection by the upper connecting portion 35a and the middle connecting portion 35b, and have a rops function.

The left and right rear columns 32 are extended from the driver frame 13 as shown in FIGS. 2, 5 and 8. As shown in FIG. 7, the left and right rear columns 32 are connected to the operating frame 13 by connecting the connecting portions provided at the lower ends of the rear columns 32 and the operating frame 13 with connecting bolts. ing. As shown in FIGS. 4 and 5, the left and right rear columns 32 include a lower column 32d supported by the driving frame 13 and an upper column 32u detachably supported by the lower column 32d. doing. The left and right upper strut portions 32u can be removed from the lower strut portion 32d and stored. Detachable connection to the lower strut portion 32d of the upper strut portion 32u is performed by a connecting bolt. The middle connecting portion 35b is provided on the upper strut portion 32u. The upper strut portion 32u is swingably supported by the lower strut portion 32d, and the upper strut portion 32u is laid down rearward with respect to the lower strut portion 32d, and the upper strut portion 32u stands upright with respect to the lower strut portion 32d. It may be configured so that the posture can be changed.

In each of the left and right rear columns 32, as shown in FIGS. 5 and 8, the base portion 32a of the rear column 32 and the portion 11d of the main frame 11 in the airframe frame 10 that is separated from the base 32a on the front side of the airframe. Reinforcing members 36 are connected to each other. The reinforcing member 36 and the rear strut 32 are connected by welding. The reinforcing member 36 is connected to the main frame 11 by the connecting member 37 and the connecting bolt. In the present embodiment, the reinforcing member 36 is connected to the portion 11d of the main frame 11 which is separated from the base portion 32a on the front side of the machine body, but the reinforcing member 36 is connected to the portion 11d of the main frame 11 which is separated from the base portion 32a on the rear side of the machine body. The reinforcing member 36 may be connected to a distant portion.

The fuse box 27 is configured to accommodate an electric circuit for driving a chemical spray pump (not shown) and an electric fuse (not shown) provided in other electric circuits. As shown in FIGS. 2 and 8, the fuse box 27 is provided on the right side of the operation panel 26. As shown in FIGS. 7 and 8, the fuse box 27 is in a state where the length L1 in the width direction of the airframe in the front-rear direction of the airframe is shorter than the length L2 in the up-down direction of the airframe in the front-rear view of the airframe. It is provided in a state of being positioned rearward with respect to the front plate member 21 and further in a state of being located at a position higher than the floor portion 24 of the driving unit C.

As shown in FIGS. 7 and 8, the fuse box 27 is supported by a box support member 38 provided on the right front support column 30. As shown in FIGS. 4, 7 and 8, the box support member 38 is separated from the flange portion 33 of the flange portion 33 provided on the right front strut 30 and the base portion 30a of the right front strut 30. It extends backward from each part. By connecting the flange portion 33 to the support frame 12, the front support column 30 and the box support member 38 can be supported by the support frame 12 at once. In the present embodiment, the box support member 38 is extended from both the flange portion 33 and the base portion 30a, but may be extended only from the flange portion 33.

As shown in FIG. 8, the three switching levers 28 are provided in the water diversion device 39 separately connected to the center spray boom 6a and the left and right side spray booms 6b, and are guided by the lever guide 43 to perform the swing operation. By doing so, the water diversion device 39 is configured to switch between the water supply state and the stopped state. The three switching levers 28 switch the center spraying boom 6a and the left and right side spraying booms 6b between the spraying state and the stopped state by switching the water diversion device 39 between the water supply state and the stopped state. The water diversion device 39 is supported by the lever support member 40, and the switching lever 28 is supported by the lever support member 40 via the water diversion device 39. The lever support member 40 is supported by a support column 41 erected on the main frame 11. The upper part of the support column 41 is supported by the reinforcing member 36 via the connecting member 42.

[Structure of drug storage]
As shown in FIGS. 1 and 3, the drug storage unit Y is located at the drug tank 50 provided at the rear of the machine frame 10, the work step 52 provided on the left lateral side of the drug tank 50, and the work step 52. It has a handrail member 53 that can be used for the work, and a hose storage hook 54 provided behind the work step 52. A water tank 55 for storing hand-washing water is provided below the work step 52.

A drug supply port 50a (see FIG. 3) and a lid 51 (see FIG. 3) for opening and closing the drug supply port 50a are provided on the upper wall of the drug tank 50. The drug tank 50 is configured to inject and store the liquid drug sprayed by the center spray boom 6a and the side spray boom 6b from the drug supply port 50a. When performing a work such as injecting a drug or a drug-diluted water into the drug tank 50, it is possible to carry out the work on the work step 52.

As shown in FIGS. 4 and 9, the work step 52 is supported by a plurality of step frames 56 provided in the airframe frame 10 and a rear wheel drive case 8 supported by the rear portion of the airframe frame 10. Specifically, the plurality of step frames 56 are extended from the left main frame 11 toward the lateral side of the traveling machine body in a state of being arranged at intervals in the front-rear direction of the traveling machine body. As shown in FIG. 9, a step support portion 9 is provided at an end portion of the fuselage side case portion 8a of the rear wheel drive case 8. The work step 52 is placed on each step frame 56 and fixed to the step frame 56 by connecting bolts. A connecting portion 52a arranged between the step frames 56 is provided on the lower surface side of the work step 52, and the connecting portion 52a is connected to the step support portion 9 by a connecting bolt. As shown in FIGS. 4 and 9, each step frame 56 has a base frame 56a extended from the main frame 11 and a step connecting frame 56b extending from the base frame 56a to the work step 52. The base frame 56a is connected to the main frame 11 by welding. The step connecting frame 56b is fitted to the base frame 56a from above and connected to the base frame 56a by connecting bolts. The step connecting frame 56b is connected to the working step 52 by welding.

As shown in FIGS. 3, 4 and 9, the handrail member 53 is provided above the work step 52 in a state along the outer peripheral portion of the work step 52 in a plan view. The handrail member 53 is supported on the upper part of the handrail column 57 erected at a plurality of locations in the circumferential direction of the outer peripheral portion of the work step 52. The reinforcing member 58 is connected across the plurality of handrail columns 57. The work such as supplying the medicine to the medicine tank 50 from the work step 52 can be performed in a state where the handrail member 53 does not become an obstacle.

As shown in FIGS. 1, 4 and 9, the hose storage hook 54 is provided behind the work step 52 and above the work step 52. The hose storage hook 54 is supported by the reinforcing member 58. A hose 59 with a pump that can be used to take the diluted chemical water into the chemical tank 50 from a water source such as a pond or a river located near the work place is provided. As shown in FIGS. 1 and 9, the hose 59 with a pump can be suspended from the hose storage hook 54 and stored near the work step 52 in a wound state.

[Structure of fuel storage]
As shown in FIGS. 2 and 3, the fuel storage unit N is provided below the operation unit C, and is located on the front side of the fuselage with respect to the fuel tank 60 for storing fuel for the engine and the fuel filler port 60a of the fuel tank 60. It has a mounting table 61 provided on the lateral outer side of the driving unit C at a position located at. When refueling the fuel tank 60, it is possible to mount the replenishment container on the mounting table 61 and support the fuel tank 60.

[Structure of boarding / alighting section]
As shown in FIGS. 1, 3 and 4, the boarding / alighting section K extends downward from the boarding / alighting section 65 provided on the left lateral outer side of the driving section C and the lateral outer end of the traveling machine body of the boarding / alighting section 65. It has a step 66 for getting on and off, and a handle member 67 supported by the left front support column 30. The handle member 67 is supported by the front support column 30 in a state where it can be used when getting on and off by using the getting on / off floor portion 65 and the getting on / off step 66.

[Structure of the second working unit]
As shown in FIGS. 1, 2 and 3, the second working unit S is a work frame 71 provided at the rear part of the traveling machine body in a state of extending in the vertical direction of the traveling machine body, and a work device supported by the work frame 71. It has a broad caster 70 as a. As shown in FIG. 2, the lower portion of the work frame 71 is connected to the machine body side case portion 8a of the rear wheel drive case 8 and is supported by the machine body frame 10 via the rear wheel drive case 8. As shown in FIGS. 1, 2 and 3, the extending end portion of the support rod 72 extending rearward from the left and right rear columns 32 is connected to the upper part of the work frame 71. The upper part of the work frame 71 is supported by the rear support column 32 via the support rod 72.

The work frame 71 includes a machine-side frame 71a supported by the rear wheel drive case 8 and the rear support column 32, and a device-side frame 71b that supports the broadcaster 70 in a state of being supported by the machine-side frame 71a so as to be able to move up and down. Have. The broadcaster 70 has an ascending work position and a descending replenishment position with respect to the traveling machine body by raising and lowering the device side frame 71b by the expansion and contraction operation of the hydraulic cylinder (not shown) interlocked with the device side frame 71b. It is operated up and down over. The load of the broad caster 70 is applied to the rear strut 32 via the work frame 71 and the support rod 72, and the rear strut 32 is pulled and supported by the reinforcing member 36 so as not to be tilted rearward by the load of the broad caster 70.

[Another Embodiment]
(1) FIG. 10 is a side view showing a switching lever support structure including another embodiment. In the switching lever support structure according to another embodiment, the lever support member 40 is supported by a support arm 44 extended from the reinforcing member 36. The switching lever 28 is supported by the reinforcing member 36 via the water diversion device 39, the lever support member 40, and the support arm 44.

(2) In the above-described embodiment, the front support column 30 is extended from the support frame 12, but it may be extended from the main frame 11.

(3) In the above-described embodiment, an example in which a pair of left and right rear columns 32 are provided is shown, but only one rear column 32 may be provided.

(4) In the above-described embodiment, an example is shown in which the upper strut portion 32u of the rear strut 32 is provided in a detachable state with respect to the lower strut portion 32d, but the present invention is not limited to this. For example, the upper strut portion 32u may be supported by the lower strut portion 32d so as to be undulating and swingable, and the upper strut portion may be configured to be inseparable or non-rotatable with respect to the lower strut portion.

(5) In the above-described embodiment, an example is shown in which the boarding / alighting unit K is provided only on the left lateral outer side of the driving unit C, but the present invention is not limited to this. For example, it may be provided only on the right lateral outer side of the driving unit C, or may be provided on both lateral outer sides of the driving unit C.

(6) In the above-described embodiment, an example in which the handle member 67 is provided is shown, but it may not be provided.

(7) In the above-described embodiment, an example is shown in which the reinforcing member 36 is connected to a portion of the airframe frame 10 which is separated from the base portion 32a of the rear support column 32 on the front side of the airframe, but the present invention is not limited to this. For example, the reinforcing member 36 may not be provided. Further, in the case of the one provided with the reinforcing member 36, it may be connected to a portion of the airframe frame 10 which is separated from the base portion 32a of the rear support column 32 on the rear side of the airframe.

(8) In the above-described embodiment, an example including the broadcaster 70 is shown, but the present invention is not limited to this. For example, it may be provided with various working devices such as a weeding device. Further, the work device and the work frame 71 may not be provided.

(9) In the above-described embodiment, the switching lever 28 and the fuse box 27 are provided inside the operating unit C, but they may be provided outside the operating unit C.

In the above-described embodiment, the work step 52 is provided on the left lateral side of the chemical tank 50, but the present invention is not limited to this, and the work step 52 may be provided on the right lateral side of the chemical tank 50. Good.

According to the present invention, a driving unit formed on a traveling machine body, a drug tank equipped on the traveling machine body and storing a drug, and a spray boom equipped on the traveling machine body and spraying a drug stored in the drug tank are provided. It can be applied to the provided passenger management machine.

4 Engine bonnet 5 Engine room 6a Spray boom (center spray boom)
6b Spray boom (side spray boom)
11 Airframe frame (main frame)
11d Part 12 Support frame 12a Internal space 17 Guide part 20 Boarding space 21 Front plate member 22 Roof member 24 Floor part 26 Operation panel 27 Fuse box 28 Switching lever 30 Front support 32 Rear support 32a Base 32d Lower support 32u Upper support 33 Flange part 35a Connecting part (upper connecting part)
36 Reinforcing member 38 Box support member 40 Lever support member 50 Chemical tank 66 Riding step 67 Handle member 70 Working device (broad caster)
71 Work frame 72 Support rod C Driving unit L1 Length in the width direction of the machine L2 Length in the vertical direction of the machine

Claims (14)

Traveling aircraft and
The driving unit formed on the traveling machine and
A drug tank equipped on the traveling machine and storing drugs,
It is equipped with a spraying boom, which is equipped on the traveling machine body and sprays the medicine stored in the medicine tank.
The driving unit is supported by a pair of left and right front columns provided in the front portion of the driving unit, a rear column provided in the rear portion of the driving unit, and the pair of left and right front columns of the driving unit. It has a transparent front plate member that covers the boarding space from the front, an upper part of the pair of left and right front columns, and a roof member that is supported by the upper part of the rear column and is located above the boarding space. Passenger management machine. A step for getting on and off is provided on the lateral outside of the driving unit.
The passenger management machine according to claim 1, wherein a handle member that can be used when getting on and off using the getting on and off step is supported by the front support. The rear strut is composed of a pair of left and right rear strut.
The passenger management machine according to claim 1 or 2, wherein the upper ends of the pair of left and right rear columns are connected to each other by a connecting portion. The passenger management machine according to any one of claims 1 to 3, wherein the rear strut has a lower strut portion and an upper strut portion that is detachably supported by the lower strut portion. The invention according to any one of claims 1 to 4, wherein a reinforcing member connected to a base portion of the rear strut and a portion of the fuselage frame separated from the base portion in the front-rear direction of the fuselage is provided. Passenger management machine. A work frame extending in the vertical direction of the machine body is provided at a portion of the traveling machine body located behind the driving part, and a work frame for connecting the work devices is provided.
A support rod extending rearward from the rear strut and having an extension end connected to the work frame is provided.
The passenger management machine according to claim 5, wherein the reinforcing member is connected to a portion of the airframe frame that is separated from the base portion on the front side of the airframe. A switching lever for switching the spray boom between the spray state and the stopped state is provided.
A lever support member supported by the reinforcing member is provided.
The passenger management machine according to claim 5 or 6, wherein the switching lever is supported by the lever support member. A support frame is provided at the front portion of the traveling machine body so as to extend in the vertical direction of the machine body and supports the engine bonnet so as to swing up and down.
The passenger management machine according to any one of claims 1 to 7, wherein the front support is extended from the upper part of the support frame. The support frame is formed in a U shape that opens downward, and is provided so as to straddle the rear part of the engine room.
The passenger management machine according to claim 8, further comprising a guide portion that extends forward from the upper part of the support frame to the inside of the engine bonnet and guides water to flow down toward the laterally outward side of the engine room. The passenger management machine according to claim 9, further comprising a heat shield member that is supported by the support frame, blocks the internal space of the support frame, and suppresses heat transfer from the engine room to the driving unit. A fuse box is provided next to the operation panel provided in the operation unit.
A flange portion for connecting the front strut to the support frame is provided at the base of the front strut.
A box support member extended from the flange portion is provided.
The passenger management machine according to any one of claims 8 to 10, wherein the fuse box is supported by the box support member. A transparent front plate member that is supported by the front strut and covers the boarding space of the driving unit from the front is provided.
The passenger management machine according to claim 11, wherein the fuse box is provided in a state where the fuse box is located rearward of the front plate member. The passenger management machine according to claim 11 or 12, wherein the fuse box is provided so that the length in the width direction of the airframe in the front-rear direction of the airframe is shorter than the length in the up-down direction of the airframe in the front-rear view of the airframe. The passenger management machine according to any one of claims 11 to 13, wherein the fuse box is provided at a position higher than the floor portion of the driving unit.

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