JPH0591220U - Agricultural management work vehicle - Google Patents

Abstract

(57) [Summary] [Purpose] The operability of agricultural management work vehicles for planting crops has been simplified. [Structure] In an agricultural management work vehicle in which the left and right traveling devices (2) and (3) are integrally interlocked by a portal-shaped elevated strut (4), the same elevated strut (4) is used for work. A plurality of mounting brackets (19) to which the attachments (20A) can be attached are provided above and below.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an agricultural management work vehicle capable of planting and controlling crops such as leaf tobacco in a field.

[0002]

[Prior Art]

 Conventionally, as an agricultural management work vehicle that travels while traveling over ridges on which crops such as leaf tobacco have been planted, the left and right crawler-type traveling devices are connected by a gate-type connecting fitting, and There are those in which nozzles for use are directly connected.

[0003]

[Problems to be solved by the device]

 However, in the above-mentioned conventional example, since an attachment such as a control nozzle is directly attached to the gate-shaped connecting fitting by bolts, it is difficult to attach and detach the attachment, and the attachment is also difficult. It was not possible to change the mounting height of the.

Further, since the gate-shaped connecting fitting is made of sheet metal, it has a weak strength and has a problem that distortion occurs and the entire body vibrates.

[0005]

[Means for Solving the Problems]

 The present invention relates to an agricultural management work vehicle in which the left and right traveling devices are integrally linked by a portal-shaped elevated strut, and the elevated strut has a plurality of mounting brackets for mounting work attachments vertically. It is intended to provide the agricultural management work vehicle provided.

Further, according to the present invention, in the above agricultural management work vehicle, a reinforcing member is fixed to the inside of the left and right vertical frames constituting the elevated pillar, and a transmission chain for power transmission is stretched on the reinforcing member. It is also characterized by the provision of a chain tension that urges it to the state, and that in the above agricultural management work vehicle, the muffler of the engine is provided so as to project above the elevated pillars.

[0007]

【Example】

 An embodiment of the present invention will be specifically described with reference to the drawings. In FIGS. 1 to 4, reference numeral 1 is a management work vehicle for various agricultural works, and traveling devices 2 and 3 provided on both left and right sides of the machine body are viewed from the front. Are interlockingly connected by an elevated support post 4 formed in a gate shape. 2-1 is a rubber crawler of the left side traveling device 2, 3-1 is a rubber crawler of the right side traveling device 3, 5 is a left vertical frame constituting the elevated support column 4, 6 is a right vertical direction constituting the elevated support column 4. In the frame, the left vertical frame 5 and the right vertical frame 6 are integrally connected by an elevated workbench cover 7.

Reference numeral 8 is a left frame that connects the left side traveling device 2 to the lower side, and an attachment mount 9 is formed on the upper side. Reference numeral 10 is a plastic water tank mounted on the upper part of the attachment mount 9, and the water tank 10 can store water or a chemical solution.

Reference numeral 11 denotes a water tank mount fixed to the lower portion of the water tank 10, and the two are integrated by two fixing bands 12. Reference numeral 13 is a fixing bracket that projects downward from the lower portion of the water tank mount 11.The fixing bracket 13 is provided on both front and rear sides, and pin insertion holes 14 and 14 are provided in the front and rear direction. There is.

Reference numeral 15 denotes a fixing means provided on both front and rear sides of the attachment mounting base 9, and fixing pins 17 for engaging and disengaging with the pin insertion holes 14 and 14 of the fixing brackets 13 and 13 on the front and rear mounting seats 16 and 16, respectively. , 17 and push springs 18,18 are attached.

Reference numeral 19 designates attachment metal fittings provided on the left vertical frame 5 and the right vertical frame 6 of the elevated column 4 for attachment and detachment. The attachment metal 19 is used for the work such as the control nozzle unit 20. The attachment 20A can be mounted vertically adjustable.

Reference numeral 21 is a mounting pipe that constitutes the mounting bracket 19, 22 is an upper storage shelf that supports the work attachment 20 A, and the base 22-1 of the upper storage shelf 22 is fitted to the mounting bracket 19. The upper storage rack 22 is connected horizontally toward the front of the machine. Reference numeral 23 denotes an injection pipe support fitting for supporting the injection pipe 24, 25 denotes a hexagonal pipe having a hexagonal cross section provided at the left and right tip positions of the upper storage shelf 22, and the hexagonal pipe 25 is arranged vertically while the injection pipe support fitting is provided. 23 can be connected freely. Reference numeral 26 is a hexagonal pipe provided at the base of the jet pipe support fitting 23, and the hexagonal pipe 26 can be fitted into the hexagonal pipe 25.

Reference numeral 27 denotes a reinforcing member that is fixed obliquely inside the left and right vertical frames 5 and 6 of the elevated pillar 4 formed in a gate shape, and is composed of a square pipe 27-1 having a quadrangular cross section. 28 is a reinforcing pipe fixed to the front and rear positions of the left and right vertical frames 5 and 6, 29 is an upper sprocket, 30 is a lower sprocket, and endless transmission chains 31, 31 for power transmission are wound on both sprockets 29, 30. I am hanging. 32 is a chain tension that constantly urges the transmission chains 31, 31 in a tensioned state, and 33 is a mounting pin.

Further, 34 is an operator seat provided in the rear portion of the left side traveling device 2, 35 is a left side drive case, and 36 is a left side traveling frame.

Further, in FIG. 3, reference numeral 40 denotes a right frame which connects the right side traveling device 3 to the lower side, and an engine 41 and a traveling mission case 42 are mounted on the upper portion thereof. Reference numeral 43 denotes a fuel tank which is arranged at a position above the engine 41 with a space. The fuel tank 43 is separated from the engine 41 and therefore is not overheated.

Reference numeral 44 denotes an attachment mounting base located above the engine 41 and the mission case 42, and a power sprayer unit 45 is mounted on the top thereof. 45-1 is a dynamic injection clutch, 46 is an attachment mount, and mounting grooves 47, 47 having a substantially U-shaped cross section are formed on both left and right sides, and the base 48 on the power sprayer unit 45 side is fitted. And it is slidable in the front-back direction.

Reference numeral 49 is a fixing pin for fixing the power sprayer unit 45 to the attachment mount 46, and the fixing pin 49 is urged downward by a push spring 50. 51 is a fixing pin mounting seat, 52 is a fixing pin hole, 53 is a fixing screw for fixing the attachment mounting bases 46, 46 to the right frame 40, 54 is an input shaft pulley, 55 is a transmission belt, and 56 is a cover body.

Reference numeral 57 denotes a muffler of the engine 41, which is provided so as to project above the elevated workbench cover 7 provided on the elevated column 4. The exhaust pipe 58 extends between the engine 41 and the muffler 57. The exhaust pipe 58 extends from the right frame 40 of the right traveling device 3 through the inside of the right vertical frame 6 to the muffler 57 position. Reference numeral 59 is a driver's seat provided at the rear of the right-side traveling device 3, 60 is a right-side drive case, and 61 is a right-side traveling frame.

Reference numeral 62 is a windshield covering the upper portion of the driver's seat 59, and transparent plastic plates 63 are provided on the front side, the ceiling side, and the left and right sides. Reference numeral 64 is a mounting frame for mounting the transparent plastic plate 63.

Further, in FIG. 4, reference numeral 65 denotes a driving operation panel provided in the front part of the driver's seat 59, which includes a traveling clutch lever 66 for switching the traveling speed of the vehicle body between high speed and low speed, a main shift lever 67, Further, the side clutch levers 68, 68 and the dynamic injection clutch lever 69 are provided. Reference numeral 70 is a parking brake lever, and 71 is a foot pedal that is interlocked with the side clutch levers 68, 68.

FIG. 9 is a schematic diagram of power transmission, in which 80 is an engine pulley, 81 is a high speed belt tension clutch, 82 is a low speed belt tension clutch, 83 is a reduction pulley, and 84 and 85 are input pulleys. .. 86 is a dynamic injection drive pulley provided on the reduction shaft 87, 88 is a right side drive mechanism provided on one side of the traveling mission case 42, and 89 is a left side drive mechanism provided on the other side of the traveling mission case 42, which is an endless transmission chain. The upper shaft 90 is rotated by 31. Reference numeral 91 is a power take-off section connected to the upper shaft 90, and 92 is a fertilizer application and transplantation apparatus.

Further, 93 is a lower shaft provided on the left side traveling device 2 side, and is interlockingly connected to the left side drive mechanism 94.

The embodiment of the present invention is configured as described above, and when the engine 41 is started to drive the machine, the main clutch lever 67 shifts the speed and then the running clutch lever 66 is engaged. Manipulate the state. As a result, the power of the engine 41 is guided to the traveling mission case 42 via the input pulleys 84 and 85. Then, the left and right side traveling devices 2 and 3 are driven via the left side drive mechanism 89 and the right side drive mechanism 88.

When the power sprayer unit 45 is driven, the power sprayer unit 45 is operated by turning on and operating the dynamic injection clutch lever 69, whereby the chemical liquid in the water tank 10 is discharged from the spray pipe 24. Is sprayed.

Further, when turning the machine body to the left or right, by operating either the side clutch lever 68, 68 or the foot pedals 71, 71, only one of the left and right side traveling devices 2, 3 is stopped and the machine body is rotated. Is to make a turn.

When the work attachment 20A mounted on the elevated column 4 is adjusted up and down and attached, the base 22-1 of the upper storage shelf 22 which is the work attachment 20A is pulled out from the mounting pipe 21. Then, the height of the working attachment 20A can be freely adjusted by fitting the mounting pipe 21 located on the upper side or the lower side.

Inside the left and right vertical frames 5 and 6 of the elevated column 4, a reinforcing member 27 composed of a square pipe 27-1 is located, and the reinforcing member 27 has chain tensions 32 and 32. Since the endless transmission chains 31 and 31 are provided, the endless transmission chains 31 and 31 can be constantly in tension.

Further, since the muffler 57 of the engine 41 is provided above the elevated workbench cover 7 of the elevated column 4, the exhaust gas discharged from the engine 41 is exhausted from the engine 41 to the right frame 40 and the right side of the right traveling device 3. It is guided to an upper muffler 57 position through an exhaust pipe 58 extending inside the vertical frame 6.

As described above, according to the above-described embodiment, the left and right traveling devices 2 and 3 are integrally interlocked and connected by the elevated pillar 4 formed in a gate shape, and the elevated pillar 4 is attached to the work attachment mechanism. Since it is an agricultural management work vehicle that has a plurality of mounting brackets 19 that can be mounted on the top and bottom of the mount 20A, the work attachment 20A can be mounted so that its position can be changed in the vertical direction. It is possible to set the work attachment to the optimum state by matching the above.

Further, since various work attachments can be attached with a simple structure, work can be performed efficiently.

Further, in the above-described embodiment, the reinforcing members 27, 27 are fixed to the inside of the left and right vertical frames 5, 6 constituting the elevated support column 4, while the power transmission chains 31, 31 are attached to the reinforcing members 27, 27. Since the chain tensioners 32, 32 that always urge the chain tensioner are provided, the left and right vertical frames 5, 6 can be reliably reinforced, and the chain tension attachment structure can be easily configured.

Further, in the above-described embodiment, the muffler 57 of the engine 41 is projectingly provided on the upper part of the elevated strut 4, and the exhaust pipe 58 is provided inside the right frame 40 of the right traveling device 3 and the right vertical frame 6. Since it has a structure, the muffler 57 and the exhaust pipe 58 do not come into contact with the crop, so that the crop is not damaged.

Further, since the muffler 57 is located at a high place, the exhaust gas emitted from the muffler 57 is diffused above the driver and the crop, and therefore the exhaust gas adversely affects the human body. Moreover, exhaust gas does not adhere to crops.

[0034]

[Effect of the device]

 According to the present invention, the left and right traveling devices are integrally and integrally connected to each other by the elevated pillar which is formed in a gate shape, and the elevated pillar is provided with a plurality of mounting brackets to which work attachments can be attached. Since it is an agricultural management work vehicle, the work attachment can be mounted so that its position can be freely changed in the vertical direction, and therefore the work attachment can be set in the optimum state according to the planting condition and growing condition of the crop. is there.

Further, since various work attachments can be attached with a simple structure, work can be performed efficiently.

Further, in the present invention, while reinforcing members are fixed inside the left and right vertical frames that constitute the elevated columns, the reinforcing members are provided with chain tension that constantly urges the power transmission chain in a tensioned state. Therefore, reinforcement of the left and right vertical frames is reliable, and the chain tension structure can be easily configured.

Further, in the present invention, since the muffler of the engine is projectingly provided on the upper part of the elevated column, the muffler and the exhaust pipe do not come into contact with the crop, so that the crop may be damaged. There is nothing. Moreover, since the exhaust gas is diffused at a higher position than the driver and the crop, the exhaust gas does not adversely affect the human body and does not adhere to the crop.

[Brief description of drawings]

FIG. 1 is a left side view of an agricultural management work vehicle according to the present invention.

FIG. 2 is a front view of the same.

FIG. 3 is a right side view of the same.

FIG. 4 is a rear view of the same.

FIG. 5 is a partial cross-sectional side view showing a mounted state of the water tank.

FIG. 6 is a sectional front view of the same portion.

FIG. 7 is a front view showing a mounted state of the power sprayer unit.

FIG. 8 is a side view showing the inside of the vertical frame of the elevated column.

FIG. 9 is a schematic diagram of power transmission.

[Explanation of symbols]

 2 Traveling device 3 Traveling device 4 Elevated support column 5 Left vertical frame 6 Right vertical frame 19 Mounting bracket 20A Work attachment 27 Reinforcing member 31 Transmission chain 32 Chain tension 41 Engine 57 Muffler

Claims (3)

[Scope of utility model registration request] 1. In an agricultural management work vehicle in which the left and right traveling devices (2), (3) are integrally interlocked by a portal-shaped elevated strut (4), the elevated strut (4) includes: Agricultural management work vehicle that has a plurality of mounting brackets (19) that can be fitted with work attachments (20A). 2. An agricultural management work vehicle in which the left and right traveling devices (2), (3) are integrally and interlocked by a portal-shaped elevated strut (4) to constitute the elevated strut (4). Secure the reinforcing members (27) and (27) inside the left and right vertical frames (5) and (6),
The reinforcing members (27) and (27) have transmission chains (3) for power transmission.
Agricultural management work vehicle provided with chain tensioners (32), (32) for biasing (1), (31) in tension. 3. An agricultural management work vehicle in which the left and right traveling devices (2), (3) are integrally interlocked by a portal-shaped elevated strut (4), and is mounted on the upper portion of the elevated strut (4). Engine (41)
Agricultural management work vehicle that is provided with a muffler (57).