CN206760549U - A kind of agricultural pesticide application job stabilization experimental model - Google Patents

Abstract

The utility model relates to the technical field of agricultural machinery, in particular to a sample vehicle for the stability test of agricultural pesticide application, which includes a vehicle body, a driving device, a spraying device and a control system. The vehicle body includes a vehicle frame and wheels. The spraying device is provided on the frame, the wheels are symmetrically provided under the frame, the wheels are connected to the driving device, the driving device and the spraying device are respectively connected to the control system, The spraying device is clamped on the vehicle frame, and a suspension device is provided between the vehicle frame and the wheels; it also includes a sensor module communicated with the control system. The utility model can simulate the side tilting situation of the actual spraying machine to determine its stability, and the use of the test sample vehicle can solve the problem that the existing spraying machine is not conducive to the stability test of the side tipping.

Description

A prototype vehicle for the stability test of agricultural pesticide application

technical field

The utility model relates to the technical field of agricultural machinery, in particular to a sample vehicle for stability testing of agricultural pesticide application operations.

Background technique

As a large agricultural country in my country, the prevention of diseases and insect pests is an important issue. With the increasing level of agricultural mechanization in our country, spraying machines have been widely used in various fields of agricultural production. However, due to the uneven terrain of the field, and obstacles such as stones, clods, or pits, and in order to meet the needs of field crops, some sprayers use a high-gap frame structure for operations. All of these have resulted in accidents where the sprayer frequently rolls over in the field, causing considerable safety hazards to farmers.

For this reason, it is necessary to carry out a stability test on the side tipping of the existing spraying machine. However, the spraying machine used in actual production at this stage has disadvantages such as complex structure, fixed parts and components, non-adjustable frame and body, and high cost. Therefore, the spraying machine used in production is not suitable for the test of the spraying machine's side tilting, and it is impossible to further study and improve the structure and principle of the spraying machine.

Utility model content

(1) Technical problems to be solved

The utility model provides a stability test sample vehicle for agricultural spraying operation, which is used to solve the problem that the existing spraying machine is unfavorable for the stability test of rollover.

(2) Technical solution

In order to solve the above-mentioned technical problems, the utility model provides a kind of stability test vehicle for agricultural spraying operation, which includes a vehicle body, a driving device, a spraying device and a control system, the vehicle body includes a frame and wheels, and the frame The spraying device is arranged on the top, the wheels are symmetrically arranged under the frame, the wheels are connected to the driving device, and the driving device and the spraying device are respectively connected to the control system. The spraying device is clamped on the vehicle frame, and a suspension device for adjusting the height of the vehicle frame is provided between the vehicle frame and the wheels; a sensor module is also included, and the sensor module includes a displacement sensor, a gyroscope and a rotation speed sensor, the displacement sensor and the gyroscope are all arranged on the vehicle frame, the rotation speed sensor is arranged on the wheel, and the displacement sensor, the gyroscope and the rotation speed sensor are all communicated with the control system.

Wherein, the spraying device includes a medicine box, a spray pipe and a spray frame, the medicine box is clamped on the frame, the frame is provided with the spray frame, and the top of the spray frame is rotatably connected to The spray pipe communicated with the medicine box, the two ends of the spray pipe are respectively provided with spray heads.

Wherein, the sensor module further includes a liquid level sensor communicatively connected with the control system, and the liquid level sensor is arranged in the medicine box.

Wherein, the spray pipe communicates with the medicine box through an infusion pipe, and the infusion pipe is provided with a water pump for driving the liquid medicine delivery.

Wherein, the sensor module further includes a flow sensor communicated with the control system, and the flow sensor is arranged at the outlet of the water pump.

Wherein, there are multiple spray heads, and the multiple spray heads are evenly distributed at both ends of the spray pipe.

Wherein, the suspension device is an electric push rod.

Wherein, the driving device is a hub motor.

Wherein, a protective device is provided around the frame.

Wherein, the frame is clamped with a counterweight.

(3) Beneficial effects

Compared with the prior art, the agricultural application stability test vehicle provided by the utility model has the following characteristics:

The stability test vehicle for agricultural spraying operation of the utility model changes the position of the device clamped on the vehicle frame on the vehicle frame and the suspension device between the vehicle frame and the wheels to change the center of mass of the test vehicle at the horizontal level respectively. Direction and vertical position, so that the position of the center of mass of the test sample vehicle is the same as that of the actual spraying machine; the rollover of the actual spraying machine can be simulated to determine its stability, and the test sample vehicle can The invention solves the problem that the existing spraying machine is unfavorable for carrying out the stability test of side tipping.

Description of drawings

Fig. 1 is the structural diagram of the agricultural pesticide application operation stability test prototype vehicle provided by the utility model;

Fig. 2 is the structural diagram of the spraying device provided by the utility model;

Fig. 3 is the structural diagram of the vehicle frame provided by the utility model;

Fig. 4 is the structural diagram of the pincer clamping structure provided by the utility model;

In the figure, 1: vehicle body; 101: vehicle frame; 101-1: strip bracket; 102: wheel; 2: driving device; 3: spraying device; 301: medicine box; 302: spraying pipe; 303: spraying frame; 304: nozzle; 305: infusion tube; 306: water pump; 4: control system; 5: suspension device; 6: displacement sensor; 7: gyroscope; 8: speed sensor; 9: liquid level sensor; 10: flow sensor ; 11: clamp-type clamping structure; 12: power supply device; 13: protective device; 14: counterweight.

detailed description

In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. Preferred embodiments of the utility model are provided in the accompanying drawings. The above are only preferred embodiments of the present utility model, and are not intended to limit the patent scope of the present utility model. Any equivalent structure or equivalent process conversion made by using the description of the utility model and the contents of the accompanying drawings, or directly or indirectly used in other related All technical fields are all included in the scope of patent protection of the utility model in the same way.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used herein in the description of the utility model is only for the purpose of describing specific implementations, and is not intended to limit the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The utility model provides a stability test vehicle and a test method for agricultural spraying operation, which are used to solve the problem that the existing spraying machine is not conducive to the stability test of side tilting.

As shown in Figure 1-2, the embodiment of the utility model provides a kind of stability test vehicle for agricultural spraying operation, which includes a vehicle body 1, a drive device 2, a spraying device 3 and a control system 4, and the vehicle body 1 includes a vehicle body Frame 101 and wheel 102, vehicle frame 101 is provided with spraying device 3, and spraying device 3 is used for carrying out spraying operation, and vehicle frame 101 bottom is symmetrically provided with wheel 102, and wheel 102 is connected driving device 2, and driving device 2 is used for Drive the movement of the car body 1, the driving device 2 and the spraying device 3 are respectively connected with the control system 4, and the control system 4 can control the operation of the driving device 2 and the spraying device 3 respectively, so as to complete the movement of the car body and the spraying operation; To facilitate adjustment of the center of mass position of the test sample vehicle, the spraying device 3 is clamped on the vehicle frame 101. In order to facilitate adjustment of the distance between the vehicle frame 101 and the ground, a suspension device 5 is provided between the vehicle frame 101 and the wheels 102. The device 5 can adjust the height of the vehicle frame 101; in addition, the sample vehicle also includes a sensor module, and the sensor module includes a displacement sensor 6, a gyroscope 7 and a rotational speed sensor 8, wherein the displacement sensor 6 and the gyroscope 7 are respectively arranged on the vehicle On the frame 101, the displacement sensor 6 is used to monitor the height of the vehicle frame 101 from the ground, the gyroscope 7 is used to monitor the inclination angle of the vehicle frame 101, and the rotational speed sensor 8 is arranged on the wheel 102, and the rotational speed sensor 8 is used to monitor the rotational speed of the wheel , so as to know the traveling speed of the car body 1 , in addition, the displacement sensor, gyroscope and rotational speed sensor are all communicated with the control system 4 .

The agricultural spraying operation stability test sample vehicle of the present utility model measures and calculates the centroid position of the actual spraying machine determined in advance according to the mass response method, and changes the spraying device 3 on the vehicle frame 101 according to the centroid position of the actual spraying machine The clamping position of the vehicle frame 101 and the distance from the ground to adjust the position of the center of mass of the test sample vehicle in the horizontal direction and the position of the vertical direction respectively, so that the position of the center of mass of the test sample vehicle is consistent with the position of the center of mass of the actual sprayer. The same, so that the simulation test of the stability of the actual sprayer is carried out by using the test sample vehicle with the same position as the center of mass of the actual sprayer. Among them, the stability test is generally to test the car body under different working conditions such as high-speed rollover, ramp rollover or ramp tipping, etc., by detecting when the test vehicle will rollover under the above-mentioned different working conditions or tilting to determine the stability of the test sample vehicle; and the displacement sensor 6 and gyroscope 7 on the vehicle frame 101 and the rotational speed sensor 8 on the wheel 102 can monitor the vehicle when rollover or tipping occurs under different working conditions, respectively. The height of the frame 101 from the ground, the inclination angle of the vehicle frame 101 and the rotation speed of the wheels 102 .

The stability test vehicle for agricultural spraying operation of the utility model, after adjusting the position of the center of mass of the test vehicle to be the same as the position of the center of mass of the actual spraying machine calculated in advance, is then subjected to high-speed rollover, ramp rollover or ramp tilting respectively. The overturning test can simulate the side tilting of the actual spraying machine to the greatest extent, so as to determine the stability of the actual spraying machine. By simulating the rollover situation of the actual spraying machine through the test sample vehicle to determine its stability, it can solve the problem that the existing spraying machine is not conducive to the stability test of rollover.

It can be understood that, as shown in Figures 3 and 4, the vehicle frame 101 includes a plurality of parallel and spaced elongated brackets 101-1, and the bottom end of the spraying device 3 is provided with a clamp-type clamping structure 11, the clamp The clamp-type clamping structure 11 is clamped on the elongated bracket 101-1, and through the clamping and fitting of the clamp-type clamping structure 11 and the elongated bracket 101-1, it is easier to realize the installation of the spraying device 3 on the vehicle frame 101. The change of the position on the test vehicle, thereby adjusting the position of the center of mass of the test vehicle.

In this embodiment, the spraying device 3 includes a medicine box 301, a spray pipe 302 and a spray frame 303, wherein the medicine box 301 is clamped on the vehicle frame 101, the vehicle frame 101 is provided with a spray frame 303, and the top of the spray frame 303 Spraying pipe 302 is connected in rotation, so that spraying pipe 302 is rotated while spraying to ensure the spraying area of the medicinal liquid during the spraying process. The stability test vehicle for agricultural application of pesticides of the utility model supplies liquid medicine into the spray pipe 302 through the medicine box 301, and then sprays the liquid medicine through the spray nozzles 304 at both ends of the spray pipe 302, thereby completing the application of the test sample vehicle. In addition, the medicine box 301 is clamped and connected with the vehicle frame, so that the position of the medicine box 301 on the vehicle frame 101 can be adjusted conveniently, so as to adjust the position of the center of mass of the test vehicle. It can be understood that the bottom of the medicine box 301 is also provided with a clamp-type clamping structure 11, and the clamp-type clamping structure 11 is clamped on the elongated bracket 101-1.

In addition, the control system 4 that realizes the control can also be clamped on the vehicle frame 101 to facilitate changing its position on the vehicle frame 101 to adjust the position of the center of mass of the test sample vehicle. It can be understood that the bottom of the control system 4 is also provided with a clamp-type clamping structure 11, and the clamp-type clamping structure 11 is clamped on the elongated bracket 101-1. Furthermore, in order to realize the power supply of the driving device 2 and the control system, the vehicle frame 101 is also clamped with a power supply device 12 such as a battery, and the power supply device 12 can supplement the electric energy required by the driving device 2 and the control system 4 .

In this embodiment, the sensor module further includes a liquid level sensor 9 , the liquid level sensor 9 is arranged in the medicine box 301 , and the liquid level sensor 9 communicates with the control system 4 . The stability test vehicle for agricultural spraying operation of the utility model can monitor the height of the liquid medicine in the medicine box 301 in real time through the liquid level sensor 9 installed in the medicine box 301, so as to replenish the medicine liquid in the medicine box in time.

In this embodiment, the spray pipe 302 communicates with the medicine box 301 through the infusion pipe 305, and the infusion pipe 305 is provided with a water pump 306 for driving the liquid medicine delivery. The stability test vehicle for agricultural spraying operation of the utility model can transport the liquid medicine in the medicine box 301 to the spraying pipe 302 through the water pump 306, thereby ensuring that the liquid medicine in the spraying pipe 302 is sufficient to complete the spraying operation.

In this embodiment, the sensor module further includes a flow sensor 10 , the flow sensor 10 is arranged at the outlet of the water pump 306 , and the flow sensor 10 is connected to the control system 4 in communication. The stability test vehicle for agricultural spraying operation of the utility model can monitor the flow rate of the liquid medicine delivered by the water pump 306 in real time through the flow sensor 10, so as to adjust in time according to actual needs to control the flow rate of the sprayed liquid medicine.

In this embodiment, in order to achieve uniform spraying of the liquid medicine, a plurality of spray heads 304 are respectively provided at both ends of the spray pipe 302 , and the plurality of spray heads 304 are evenly distributed on the spray pipe 302 .

In this embodiment, in order to adjust the height of the vehicle frame 101 , the suspension device 5 adopts an electric push rod, and the control system 4 adjusts the height of the vehicle frame 101 from the ground by controlling the electric push rod.

In this embodiment, in order to control the running state of the vehicle body 1, the driving device 2 adopts an in-wheel motor, that is, the in-wheel motor is arranged in the wheel 102, and the control system 4 realizes different driving states of the vehicle body 1 by controlling the in-wheel motor.

In this embodiment, in order to reduce the damage when the test sample vehicle rolls over, a protective device 13 is provided around the vehicle frame 101 . It can be understood that installing the protective device 13 made of cushioning material around the vehicle frame 101 can greatly reduce the damage caused by the rollover to the test sample vehicle and prolong the service life of the test sample vehicle.

In this embodiment, in order to ensure the stability of the test vehicle, a counterweight 14 is provided on the vehicle frame 101 , and the counterweight 14 is clamped on the vehicle frame 101 . It can be understood that, as shown in FIG. 4 , the bottom of the counterweight 14 is also provided with a clamp-type clamping structure 11 , and the clamp-type clamping structure 11 is clamped on the elongated bracket 101 - 1 .

In addition, the stability test method carried out by using the above-mentioned agricultural pesticide application stability test sample vehicle includes the following steps:

S1. Calculate the position of the center of mass of the actual spraying machine

Determining the Centroid Position of an Actual Sprayer by Mass Response Method

S2, adjusting the center of mass position of the test sample vehicle

Control the suspension device to adjust the height of the frame and change the position of each device clamped on the frame so that the position of the center of mass of the test sample vehicle is the same as that of the actual sprayer; specifically, change the position of the vehicle by controlling the electric push rod. The height of the frame 101 is to adjust the height of the center of mass of the test sample car, by changing the positions of the medicine box 302, the control system 4, the power supply device 12, and the counterweight 14 on the vehicle frame 101, to adjust the center of mass of the test sample car in the horizontal direction position, so as to complete the adjustment of the center of mass of the test sample vehicle.

S3. Carry out rollover tests under different working conditions

The driving device 2 is controlled to drive the test sample vehicle under different working conditions, and the side rollover of the test sample vehicle is monitored respectively to determine the stability of the test sample vehicle.

Specifically, after the position of the center of mass of the test sample vehicle is adjusted, a high-speed rollover test, a ramp rollover test, and a ramp tipping test can be performed respectively. When carrying out the high-speed rollover test, control the speed of the test sample vehicle to turn sharply when the driving speed reaches a certain threshold, so that the test sample vehicle rolls over, thereby simulating the actual high-speed steering rollover of the spraying machine; when performing the ramp rollover test, control The test sample car is driven on a slope with a certain angle between the frame and the horizontal plane, and a sharp turn is made to make the sample car rollover, thereby simulating the rollover of the actual sprayer ramp; , control the test sample vehicle to make emergency braking or speed up when going up and down the slope, so that the test sample vehicle will tip over, thereby simulating the actual sprayer ramp tipping situation.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (10)

1. a kind of agricultural pesticide application job stabilization experimental model, including car body, drive device, chemical spraying device and control system, The car body includes vehicle frame and wheel, and the vehicle frame is provided with the chemical spraying device, the car is arranged with below the vehicle frame Wheel, the wheel connect the drive device, and the drive device, the chemical spraying device are connected with the control system respectively, Characterized in that,

The chemical spraying device is installed on the vehicle frame, is provided between the vehicle frame and the wheel and is used to adjust the vehicle frame height The suspension arrangement of degree；

Also include sensor assembly, the sensor assembly includes displacement transducer, gyroscope and speed probe, the displacement Sensor, gyroscope are on the vehicle frame, and the speed probe is on the wheel, institute's displacement sensors, top Spiral shell instrument and speed probe communicate to connect with the control system.

2. agricultural pesticide application job stabilization experimental model according to claim 1, it is characterised in that the chemical spraying device bag Include medicine-chest, spray line and sprinkling frame, the medicine-chest to be installed on the vehicle frame, the vehicle frame is provided with the sprinkling frame, described The spray line that the top rotation connection of sprinkling frame connects with the medicine-chest, the both ends of the spray line are respectively equipped with shower nozzle.

3. agricultural pesticide application job stabilization experimental model according to claim 2, it is characterised in that the sensor assembly Also include the liquid level sensor with control system communication connection, the liquid level sensor is in the medicine-chest.

4. agricultural pesticide application job stabilization experimental model according to claim 2, it is characterised in that the spray line and institute State medicine-chest to connect by woven hose, the woven hose is provided with the water pump for being used for driving decoction to convey.

5. agricultural pesticide application job stabilization experimental model according to claim 4, it is characterised in that the sensor assembly Also include the flow sensor with control system communication connection, the flow sensor is located at the exit of the water pump.

6. agricultural pesticide application job stabilization experimental model according to claim 2, it is characterised in that the shower nozzle is provided with more Individual, multiple shower nozzles are respectively uniformly distributed at the both ends of the spray line.

7. agricultural pesticide application job stabilization experimental model according to claim 1, it is characterised in that the suspension arrangement is Electric pushrod.

8. agricultural pesticide application job stabilization experimental model according to claim 1, it is characterised in that the drive device is Wheel hub motor.

9. the agricultural pesticide application job stabilization experimental model according to any one of claim 1-8, it is characterised in that described The periphery of vehicle frame is provided with protector.

10. the agricultural pesticide application job stabilization experimental model according to any one of claim 1-8, it is characterised in that institute State and counterweight is installed with vehicle frame.