CN210929310U - Liquid medicine spraying vehicle - Google Patents

Abstract

The utility model provides a liquid medicine sprays vehicle. The problem is that, in a chemical liquid spraying vehicle which is provided with a central spray rod and a left and a right spray rods on a running vehicle body and is provided with a chemical liquid tank, lubricating oil can be easily taken out from a control pump arranged at the lower part of a driver seat under the condition that the running vehicle body is not polluted. The chemical liquid spraying vehicle is provided with spraying spray bars (50, 51, 52), a driver seat (3) and a chemical liquid tank (40) on a traveling vehicle body (2) supported by front wheels (6) and rear wheels (7), a control pump (30) is arranged on a control pump mounting component (5d), the control pump mounting component (5d) is used for connecting left and right frames (5L, 5R) of the traveling vehicle body (2) at the lower part of the driver seat (3), wherein a waste oil conveying channel (12) is arranged at the lower part of a waste oil plug (30c) of the control pump (30), and the waste oil conveying channel (12) enables oil to flow to the lower part of the outer side of the control pump mounting component (5 d).

Description

Liquid medicine spraying vehicle

Technical Field

The utility model relates to a liquid medicine spraying vehicle used on farm.

Background

As a working vehicle for spraying agricultural chemicals and fertilizers to a field, for example, a chemical spraying vehicle disclosed in patent document 1 is known. The chemical liquid spraying vehicle of patent document 1 includes: a center boom disposed in front of the traveling vehicle body; and 2 side booms which are arranged at the left and right sides of the center boom and can be switched between a storage mode along the left and right sides of the traveling vehicle body and a spraying mode which is expanded to the side of the center boom.

The chemical liquid in the chemical liquid tank mounted on the rear portion of the vehicle body is sprayed from a nozzle of a spray boom by a control pump mounted on the lower portion of a driver seat of the vehicle body.

Patent document 1: japanese patent No. 6079441

However, since the control pump is mounted on the traveling vehicle body under the driver seat, the lubricating oil must be flowed from the control pump to the lower portion of the vehicle body in a narrow space under the driver seat in a state where the vehicle body is stopped on the floor and received by a waste oil tank, and the oil may leak and contaminate the frame of the vehicle body.

SUMMERY OF THE UTILITY MODEL

Therefore, an object of the present invention is to enable a chemical liquid spraying vehicle having a chemical liquid tank mounted thereon and having a center boom and left and right side booms on a traveling vehicle body to easily take out lubricating oil from a control pump mounted on a lower portion of a driver seat without staining the traveling vehicle body.

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

The utility model provides a solution spraying vehicle of claim 1, the solution spraying vehicle is on the driving automobile body (2) of support by front wheel (6) and rear wheel (7) carry on spray lance (50, 51, 52), driver seat (3) and solution tank (40), control and remove pump (30) on preventing and removing pump installation part (5d), this control and remove pump installation part (5d) in the lower part of driver seat (3) is connected the left and right frames (5L, 5R) of driving automobile body (2), characterized in that, prevent and remove the lower part of the waste oil bolt (30c) of pump (30) and set up waste oil transfer passage (12), this waste oil transfer passage (12) make the oil flow to the outside below of pump installation part (5 d).

The utility model described in claim 2 is characterized in that, in the chemical liquid spraying vehicle described in claim 1, the control pump (30) is attached to a pump mount (31), the pump mount (31) is supported by the control pump attachment member (5d), and the waste oil transfer path (12) is attached to the pump mount (31).

A feature of the utility model described in claim 3 is that, in the chemical liquid spray vehicle described in claim 2, a clamp member (13) is formed on the waste oil transfer passage (12), and the waste oil transfer passage (12) is detachably attached by attaching the clamp member (13) to an upright attachment plate (31a) of the pump mount table (31).

According to the utility model of claim 1, when the waste oil plug 30a of the control pump 30 is opened, the oil flows to the lower part of the outer side of the control pump mounting member 5d through the waste oil transfer passage 12, and the running vehicle body 2 is not soiled.

According to the utility model of claim 2, in addition to the effect of claim 1, since the waste oil transfer path 12 is attached to the pump mount 31 of the control pump 30, no special attachment member is required, and the structure is simple.

According to the utility model of claim 3, in addition to the effect of claim 2, the waste oil transfer path 12 removed is attached to the upright attachment plate 31a of the pump mount 31 by the clamp 13, so that the waste oil transfer path 12 can be easily used.

Drawings

Fig. 1 is a left side view of the liquid medicine spraying vehicle.

Fig. 2 is a plan view of the liquid medicine spraying vehicle.

Fig. 3 is a left side view of the medical fluid spraying vehicle with the cover removed.

Fig. 4 is a plan view of the running vehicle body.

Fig. 5 is a plan view showing a part of the control pump.

Fig. 6 is a rear perspective view of the running vehicle body.

Fig. 7 is a lateral perspective view of the running vehicle body.

FIG. 8 is a transverse perspective view of the attachment portion of the control pump.

FIG. 9 is a rear perspective view of the attachment portion of the control pump.

FIG. 10 is a perspective view of the waste oil transfer path.

Fig. 11 is a front view showing a posture of the liquid medicine spraying vehicle when spraying the liquid medicine.

Description of the reference symbols

2: a running vehicle body; 3: a driver seat; 5 d: a control pump mounting member; 5L: a left frame; 5R: a right frame; 6: a front wheel; 7: a rear wheel; 12: a waste oil transfer passage; 13: a clamping member; 31 a: erecting a mounting plate; 30: a control pump; 30 c: waste oil slug; 31: a pump mounting station.

Detailed Description

Embodiments of the present invention will be described below with reference to examples shown in the drawings. In the description of the embodiments, the left and right directions in the forward direction of the body are referred to as left and right, the forward direction is referred to as front, and the backward direction is referred to as back, respectively, but this does not limit the configuration of the present invention.

Hereinafter, the chemical solution is a liquid such as a liquid obtained by dissolving a fertilizer, an agricultural chemical, or the like in a solvent (e.g., water) or a liquid containing a solid component of a fertilizer, an agricultural chemical, or the like (e.g., water).

The chemical liquid spraying vehicle 1 of the present embodiment is an agricultural work vehicle in which an operator (operator) gets on a driver seat 3 on a traveling vehicle body 2 and sprays chemical liquid to a field while performing a driving operation on a steering wheel 4.

As shown in fig. 1, the chemical liquid spray vehicle 1 includes a traveling vehicle body 2, an engine 9, a main clutch, a transmission, a control pump 30, a chemical liquid tank 40, and a spray lance 50. In the present embodiment, the forward direction of the chemical liquid spraying vehicle 1 is a direction along the front-rear direction of the traveling vehicle body 2, that is, a direction from the driver seat 3 toward the steering wheel 4 when the chemical liquid spraying vehicle 1 travels straight. The vehicle width direction of the traveling vehicle body 2 is a direction perpendicular to the above-described traveling direction in the horizontal direction.

As shown in fig. 1, the traveling vehicle body 2 is composed of a driver seat 3, a steering wheel 4, a main frame 5, front wheels 6, and rear wheels 7. The steering wheel 4 is disposed to face the driver seat 3 on which the operator sits. The steering wheel 4 changes the forward direction of the chemical liquid spraying vehicle 1 by turning the left and right front wheels 6 by the turning operation of the operator. As shown in fig. 4, the main frame 5 extends in the front-rear direction of the traveling vehicle body 2, and has a pair of left and right frame members 5R and 5L disposed on the left and right of the traveling vehicle body 2.

As shown in fig. 2, the front wheel 6 is a pair of left and right wheels. The front wheels 6 are steering wheels that are disposed in front of the running vehicle body 2, are disposed on the left and right sides of the running vehicle body 2 in the vehicle width direction, and are steered by a turning operation of the steering wheel 4. As shown in fig. 3, the front wheel 6 is attached to a front wheel shaft 6b and is rotationally driven by power generated by the engine 9. The front wheel shaft 6b is mounted on the main frame 5 from below the main frame 5 via a front wheel shaft mounting member 5 a. The transmission of the front wheel shaft 6b for rotationally driving the front wheel 6 is mounted inside the front wheel axle box.

As shown in fig. 2, the rear wheels 7 are disposed on the left and right sides in the vehicle width direction behind the running vehicle body 2. The rear wheel 7 is attached to a rear wheel shaft 7b and is rotationally driven by power generated by an engine 9. The rear wheel axle 7b is mounted to the main frame 5 from below the main frame 5 via a rear wheel axle mounting member 5 b. The transmission of the rear wheel axle 7b for rotationally driving the rear wheel 7 is mounted inside the rear wheel axle box.

Here, the front axle mounting member 5a and the rear axle mounting member 5b are fixed to the main frame 5 by joining means such as pivot joining, rivet joining, bolt joining, or spot welding.

The engine 9 is, for example, a diesel engine or a gasoline engine, and is mounted on the front end of the main frame 5 via a mounting member, not shown, as shown in fig. 3. The engine 9 is disposed on the front side of the axle 6a and the front wheel shaft 6b of the front wheel 6, and the power thereof is transmitted from an output shaft, not shown, to the transmission 20, and from the transmission 20 to the front wheel 6 and the rear wheel 7.

The main clutch 10 is, for example, a hydraulic multi-plate clutch. The main clutch 10 switches between an engaged state and a disengaged state by bringing a slide plate connected to the power input shaft 8 to which power is input via an output shaft, not shown, of the engine 9 into contact with or away from a slide plate connected to the input shaft 21 of the transmission 20 by a hydraulic piston. The main clutch 10 is switched to the off state by an operator depressing a clutch pedal CP disposed on a foot pedal 2a (see fig. 2). The main clutch 10 is switched to the engaged state, and transmits power transmitted to the power input shaft 8 coupled to an output shaft, not shown, of the engine 9 to the input shaft 21 of the transmission 20.

The transmission 20 transmits the power of the engine 9, which is input to the power input shaft 8 via the clutch 10, to the front wheels 6, the rear wheels 7, and the control pump 30, respectively, and the transmission 20 is disposed inside the transmission case 20 a.

As shown in fig. 3, the transmission case 20a is mounted on the main frame 5 from below the main frame 5 via a transmission mounting member 5 c. The transmission mounting member 5c is mounted to the main frame 5 by a joint method such as pivot joint, rivet joint, bolt joint, or spot welding.

The pulley 29 of the transmission case 20a rotates integrally with a pulley shaft 29a, and the pulley shaft 29a is disposed coaxially with the input shaft 2. The driving pulley 29 is disposed at the rear upper portion of the transmission case 20 a. As shown in fig. 5, the driving pulley 29 drives the driving belt B by the power transmitted to the driving pulley shaft 29 a. The belt B is engaged with a belt pulley 29 of the transmission 20 and a belt pulley 32 of the control pump 30. Therefore, the power transmitted to the driving pulley 29 of the transmission 20 is transmitted to the driving pulley 32 of the control pump 30 via the driving belt B.

The control pump 30 is a liquid feeding pump that sucks the chemical liquid in the chemical liquid tank 40 and then pressurizes the chemical liquid to feed the chemical liquid to the spray lance 50. As shown in fig. 3, the control pump 30 is mounted above the main frame 5 and below the operator's seat 3 via the control pump mounting member 5d, and is disposed behind and above the transmission case 20a, so that when the operator's seat 3 is tilted forward, maintenance work can be performed from above.

As shown in fig. 5, the control pump 30 includes a transmission pulley 32 that rotates integrally with the drive shaft 30 a. Therefore, the control pump 30 transmits power from the rear upper portion of the transmission case 20a via the transmission pulley 29. That is, the control pump 30 is driven by the power of the engine 9 transmitted via the transmission pulleys 29 and 32. In the present embodiment, the control pump 30 can be selectively switched on (driven) or off (stopped) by an operator operating the on/off lever 71 disposed on the right side of the driver seat 3 in the vehicle width direction.

As shown in fig. 8 and 9, the detailed structure of the control pump attachment member 5d will be described. The left and right frames 5L, 5R of the main frame 5 are welded and connected by an コ -shaped downward square pump frame 14, the pump frame 14 is connected by bolts to the reinforcing pump mount 15, and the pump mount 31(コ -shaped upward) is fixed to the reinforcing pump mount 15 by welding. The support base 30d of the control pump 30 is bolted to the upright attachment plate 31a of the pump attachment base 31, and the control pump 30 is attached to the running vehicle body 2.

A waste oil plug 30c is provided on the lower portion of the left side surface of the control pump 30, and a waste oil transfer path 12 inclined downward toward the rear lower side of the pump frame 14 on the lower portion of the waste oil plug 30c is attached to the upright attachment plate 31a by a clamp 13. Left and right rising edges 12L, 12R are formed on the left and right of the waste oil transfer passage 12 so as to be narrower in interval toward the lower side, and a front rising edge 12F is formed on the front side so that oil does not leak from the front or from the left and right. As shown in fig. 10, by welding a clip 13 as an elastic plate having an insertion opening, which is attached to the right rising edge 12R with the rising attachment plate 31a interposed therebetween, the waste oil conveyance path 12 can be easily detached from the pump attachment base 31 and stored in a storage box (not shown) provided at the bottom of the driver seat 3 when the waste oil conveyance path 12 is not used.

An oil supply plug 30b is provided above the control pump 30, and new oil can be supplied.

The chemical tank 40 is a container that accumulates the chemical sprayed from the spray lance 50. As shown in fig. 3, the chemical liquid tank 40 is mounted on the upper rear portion of the main frame 5, and is mounted on the main frame 5 by a mounting member not shown. The center of gravity of the chemical tank 40 is disposed above the rear wheel shaft 7b of the axle 7a of the rear wheel 7.

As shown in fig. 2, the spray boom 50 includes a 1 st spray boom 51 (side boom), a 2 nd spray boom 52 (side boom), and a 3 rd spray boom 53 (center boom). The 1 st spray boom 51 is disposed on the left side in the forward direction of the chemical solution spraying vehicle 1, and the 2 nd spray boom 52 is disposed on the right side in the forward direction of the chemical solution spraying vehicle 1. The 3 rd spray lance 53 is disposed on the front side in the forward direction of the chemical liquid spray vehicle 1 and between the 1 st spray lance 51 and the 2 nd spray lance 52. The 1 st spray boom 51 can be selectively switched between a spray mode in which the spray boom is expanded in the vehicle width direction of the chemical liquid spray vehicle 1 and a storage mode in which the spray boom is accommodated along the side surface of the chemical liquid spray vehicle 1 by the operator operating the 1 st boom lever 74 disposed on the left side of the steering wheel 4 on the step plate 2 a. The 2 nd spray boom 52 can also be selectively switched to the spray configuration or the stowed configuration by an operator operating the 2 nd boom lever 75.

The 1 st and 2 nd spray nozzles 51 and 52 are rotated toward the forward direction side of the chemical liquid spray vehicle 1 in the spray mode to a position (direction indicated by arrow R in fig. 2) substantially parallel to the 3 rd spray nozzle 53, and are fixed to the chemical liquid spray vehicle 1 at this position. Then, as shown in fig. 11, the spray bars 51, 52, 53 are arranged substantially in a straight line. Further, as shown in fig. 2, the 1 st spray boom 51 and the 2 nd spray boom 52 are housed along the advancing direction of the liquid medicine spraying vehicle 1 when the liquid medicine is not sprayed to the field, and are supported by the 1 st boom bearings 81, 82 and the 2 nd boom bearings 83, 84. The 1 st boom bearers 81, 82 are elongated in the vehicle width direction from the front upper portion of the steering wheel 4. The 2 nd spray bar receivers 83, 84 are elongated in the vehicle width direction from the rear upper portion of the chemical tank 40.

As shown in fig. 11, the 1 st spray boom 51 has a plurality of nozzles 51a, the 2 nd spray boom 52 has a plurality of nozzles 52a, and the 3 rd spray boom 53 has a plurality of nozzles 53 a. Each of the plurality of nozzles 51a, 52a, and 53a is, for example, a spray nozzle for spraying a chemical liquid. The ejection ports of the plurality of nozzles 51a, 52a, and 53a for spraying the chemical solution face the floor surface GL. In the spray mode, the spray nozzles 51, 52, 53 are arranged substantially in a straight line, and therefore the plurality of nozzles 51a, 52a, 53a are arranged substantially in a straight line. The direction of the ejection ports of the plurality of nozzles 51a, 52a, and 53a is not limited to the direction toward the floor surface GL, and can be appropriately changed according to the target to which the chemical solution is to be sprayed.

Claims (3)

1. A chemical liquid spraying vehicle, wherein spraying booms (50, 51, 52), a driver seat (3) and a chemical liquid tank (40) are mounted on a traveling vehicle body (2) supported by front wheels (6) and rear wheels (7), a control pump (30) is mounted on a control pump mounting member (5d), and the control pump mounting member (5d) connects left and right frames (5L, 5R) of the traveling vehicle body (2) at the lower part of the driver seat (3),

a waste oil transfer passage (12) is provided below a waste oil plug (30c) of the control pump (30), and the waste oil transfer passage (12) causes oil to flow to the lower outer side of the control pump attachment member (5 d).

2. The medical liquid spraying vehicle according to claim 1,

the chemical liquid spraying vehicle is configured in such a manner that the control pump (30) is mounted on a pump mounting table (31), the pump mounting table (31) is supported by the control pump mounting member (5d), and the waste oil transfer passage (12) is mounted on the pump mounting table (31).

3. The medical liquid spraying vehicle according to claim 2,

a clamp member (13) is formed on the waste oil transfer path (12), and the waste oil transfer path (12) can be attached and detached by attaching the clamp member (13) to a vertical attachment plate (31a) of the pump attachment base (31).

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