CN209219003U - A kind of device detecting equipment for plant protection Spray Uniformity - Google Patents

Abstract

The utility model relates to equipment for plant protection droplet detection technique fields; more particularly to a kind of device for detecting equipment for plant protection Spray Uniformity; including movable stand; returning face plate and sampling test tube are in a row evenly distributed on movable stand; liquid level sensor is provided in sampling test tube; the shaft of returning face plate left end passes through fixed plate and is rotatablely installed on movable stand, and the shaft of returning face plate right end passes through fixed plate and is set with transmission gear；Being equipped on movable stand can be set on translating rack along the translating rack that guide rail moves, transmission gear uniform intervals and be intermeshed respectively with translating rack, pass through the output axis connection of driving gear and driving motor in the end of translating rack；Limit switches are set on guide rail, and the utility model can realize automatic turning and height adjustment, change the tilt angle of sampling test tube by automatic turning, be capable of providing the sampling of multi-angle droplet, acquire more accurate.

Description

A device for detecting spray uniformity of plant protection machinery

technical field

The utility model relates to the technical field of droplet detection of plant protection machinery, in particular to a device for detecting the spray uniformity of plant protection machinery.

Background technique

At present, when the sprayer used for plant protection is in operation, the droplet distribution characteristics directly affect the effect of the sprayer operation, and it is an important indicator for the performance measurement of the sprayer. Therefore, in the development process of the sprayer and before the operation of the sprayer, it is necessary to Test the uniformity of spray volume distribution to obtain the main factors and changing rules of spray distribution uniformity, obtain the best operating conditions, and improve the use efficiency and effective utilization rate of pesticides.

Among them, the distribution of droplets includes vertical droplet distribution and horizontal droplet distribution. The existing detection devices can only test the uniformity of droplets on the horizontal or vertical plane, and cannot perform various angles and gradients in the three-dimensional space. The uniformity of droplet distribution is tested, so the test results are not accurate enough to a certain extent. At the same time, because the field test is easily disturbed by external factors, the single-angle droplet collection test tube cannot accurately detect whether the spray is uniform.

Contents of the invention

Aiming at the defects and problems existing in the prior art, the utility model provides a device for detecting the spray uniformity of plant protection machinery.

The solution adopted by the utility model to solve the technical problem is: a device for detecting the spray uniformity of plant protection machinery, including a moving frame, a droplet sampling assembly and an inclination adjustment mechanism arranged on the moving frame, the lower end of the moving frame is installed with The moving wheel, the inclination adjustment mechanism controls the droplet sampling assembly to turn left and right;

The droplet sampling assembly includes a row of turnover plates evenly distributed on the moving frame, sampling test tubes arranged on the turning plate, and fixed plates located at both ends of the turning plate and mounted on the moving frame. The sampling test tubes are provided with Liquid level sensor, the two ends of the turning plate are movably installed on the fixed plate through the rotating shaft, the rotating shaft at the left end of the turning plate passes through the fixed plate and is installed on the moving frame, and the rotating shaft at the right end of the turning plate passes through the fixing plate and is fitted with Transmission gear;

The angle adjustment mechanism includes a guide rail arranged on the moving frame and a translation rack that can move along the guide rail. The transmission gears are evenly spaced on the translation rack and mesh with the translation rack respectively. The part is also provided with a drive gear that meshes with the translation rack, and the axle of the drive gear is connected with the output shaft of the drive motor; a limit switch is set on the guide rail.

Further, buckles are uniformly arranged on the upper end of the turning rack, and bosses are arranged on the lower end of the turning rack, the sampling test tube is set in the buckling, and the lower end of the sampling test tube is placed on the boss.

Further, the two ends of the turnover plate are respectively provided with a height adjustment mechanism, and the height adjustment mechanism includes a vertical guide rail plate located between the fixed plate and the turnover plate, and a vertical guide rail is installed on the vertical guide rail plate. The turnover plate is clamped in the vertical guide rail and can be lifted along the vertical guide rail. Set bolts are installed on the two side walls of the vertical guide rail, and the ends of the set bolts press the turnover plate to fix the turnover plate.

Further, vertical grooves are symmetrically opened on both side walls of the vertical guide rail, and spring pieces are installed in the vertical grooves, and the side walls of the turnover plate are respectively in elastic contact with the two spring pieces.

Further, a liquid collection tank is installed on the moving frame, the flip plate is located above the liquid collection tank, and a liquid collection port is opened below the liquid collection tank.

Further, a push rod frame is installed at one end of the mobile frame.

Further, a motor fixing frame is fixedly installed on the moving frame, and the driving motor is installed on the motor fixing frame.

Beneficial effects of the utility model: a device for detecting spray uniformity of plant protection machinery in the utility model can realize automatic flipping and height adjustment, change the inclination angle of the sampling test tube through automatic flipping, and can provide multi-angle droplet sampling and collection It is more accurate, and at the same time, the height of each row of sampling tubes is adjusted separately by lifting up and down, so that the position of each row of test tubes on the vertical and horizontal planes and the combination of inclination angles can realize the gradient distribution of the sampling tubes, so that the sampling tubes can be uniform. distribution, increasing the reliability of the test results. In addition, the rack and pinion are used to mesh with each other for transmission, and the limit switch is controlled to realize automatic flipping, which can realize multi-row common movement and automatic flipping; with the addition of movable driving wheels, the entire test bench can be moved at any time, which is convenient for testing in different locations. The liquid level sensor is used to accurately and automatically detect the spray volume, and the liquid level sensor is used to test the sample data of each collection point to reflect the spray effect, the test tube is automatically turned over and the data is automatically detected, realizing the technology of precise automatic testing, which overcomes manual detection and device displacement. Troublesome, large measurement errors, and low utilization rate of the test bench test performance have improved the test efficiency; at the same time, the use of the liquid collection tank can repeatedly collect the droplets to avoid waste of droplets.

Description of drawings

Fig. 1 is the overall structure schematic diagram one of the present utility model;

Fig. 2 is the overall structure schematic diagram two of the utility model;

Fig. 3 is the top view of the utility model;

Fig. 4 is the front view of the utility model;

Fig. 5 is a side view of the utility model;

Fig. 6 is a structural schematic diagram of the height adjustment mechanism of the present invention;

Fig. 7 is a sectional view along A-A in Fig. 5 .

In the figure: 1-mobile frame, 2-overturning plate, 3-sampling test tube, 4-fixed plate, 5-rotating shaft, 6-transmission gear, 7-guide rail, 8-translation rack, 9-driving gear, 10-drive Motor, 11-limit switch, 12-clip, 13-boss, 14-vertical rail plate, 15-vertical rail, 16-set bolt, 17-vertical slot, 18-spring, 19-set Liquid tank, 20-hand push rod frame, 21-moving wheel, 22-motor fixed frame.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Embodiment 1: A device for detecting the spray uniformity of plant protection machinery, as shown in Figure 1-7, includes a mobile frame 1, a hand push rod frame 20 is installed at one end of the mobile frame 1, and a mobile wheel is installed at the lower end of the mobile frame 21. By pushing the push rod frame, the wheel is rotated to realize the overall displacement of the mechanism. A droplet sampling assembly and an inclination adjustment mechanism are arranged on the moving frame, wherein the inclination adjustment mechanism controls the droplet sampling assembly to turn left and right.

The droplet sampling assembly includes a row of flip plates 2 that are evenly distributed on the mobile frame, and sampling test tubes 3 are uniformly arranged on the flip plate, circular buckles 12 are evenly installed on the upper end of the flip plate, and bosses are provided on the lower end of the flip frame 13. The sampling test tube 3 is set in the buckle from top to bottom, and the lower end of the sampling test tube is just placed on the boss 13. A liquid level sensor is installed in the sampling test tube to measure the liquid medicine in the test tube and combine with the timer , Save the data in each sampling tube within a period of time in the data collection card, use the liquid level sensor to test the sample data at each collection point, and perform automatic detection of spray distribution uniformity to achieve real-time measurement of spray. A liquid collection tank 19 is also installed on the mobile frame, and the turnover plate 2 is positioned at the top of the liquid collection tank, and a liquid collection port is arranged below the liquid collection tank, and the liquid collection tank can collect mist droplets, and multiple tests can be carried out, which solves waste and pollution problem. The lower end of the fixed plate 4 is installed on the mobile frame 1, and the fixed plate 4 is respectively located at the two ends of the turnover plate 2, and the fixed plate has a hole, and a bearing is installed in the hole, and the rotating shaft 5 is movably installed on the fixed plate 4 through the bearing. Both ends of the turning plate 2 are connected to the rotating shaft 5 respectively, so that the rotating shaft 5 can drive the turning plate 2 to rotate. Wherein, the rotating shaft positioned at one end of the turnover plate 2 passes through the fixed plate and is installed on the moving frame 1 through bearings, and the rotating shaft 5 positioned at the other end of the flip plate passes through the fixed plate and is covered with a transmission gear 6, which is driven by the angle adjustment mechanism. Connected, the power is transmitted to the transmission gear 6 for rotation and drives the rotating shaft to rotate synchronously, so as to realize the rotation of the turnover plate 2 .

Wherein, the angle adjustment mechanism includes a guide rail 7 along one end of the installation mobile frame 1, the guide rail is a rectangular guide rail, a translation rack 8 is installed in the guide rail, and a driving gear 9 is also arranged at the end of the translation rack, the driving gear 9 and the translation gear The bars 8 are meshed with each other, and the mobile frame 1 is fixedly equipped with a motor fixing frame 22, and a driving motor 10 is installed on the motor fixing frame, and the wheel shaft of the driving gear 9 is connected with the output shaft of the driving motor. 9 rotates and meshes with the translation rack 8 at the same time to make the translation rack move horizontally, and the translation rack 8 moves horizontally along the guide rail 7 . At the same time, the transmission gears 6 are evenly spaced on the translation rack 8, and each transmission gear 6 is respectively meshed with the translation rack 8, and the rotating shaft 5 is movably installed on the fixed plate 4, so in the process of the horizontal movement of the translation rack 8 During the process, the transmission gear 6 will rotate, so that the rotating shaft 5 will rotate synchronously, thereby driving the turnover plate 2 to rotate.

Two limit switches 11 are arranged on the guide rail 7. During the flipping process, when the two limit switches 11 are touched, the driving motor 10 will change the direction of rotation to make the translation rack 8 move in the opposite direction, which can Realize reciprocating motion, make sampling test tube 3 swing left and right.

Embodiment 2: A device for detecting spray uniformity of plant protection machinery in this embodiment will be described centering on the differences from Embodiment 1.

As shown in Figures 6-7, in this embodiment, the two ends of the turnover plate 2 are respectively provided with a height adjustment mechanism, and the height adjustment mechanism includes a vertical guide rail plate 14 between the fixed plate 4 and the turnover plate 2, and the vertical guide rail The plate is not in contact with the fixed plate, the vertical guide rail 15 is installed on the inner side of the vertical guide rail plate 14, the flip plate 2 is clamped in the vertical guide rail 15 and can be lifted along the vertical guide rail, symmetrical on the two side walls of the vertical guide rail 15 There is a vertical groove 17, and a spring leaf 18 is installed in the vertical groove. The side walls of the turnover plate 2 are in elastic contact with the two spring leaves 18 respectively. After the plate 2 is lifted up and down to the target position in the vertical guide rail, it can be compressed by the spring leaf so as not to fall. The ends of the bolts 16 are pressed against the overturning plate 2 to fix the overturning plate.

Claims (7)

1. A device for detecting the uniformity of spraying of plant protection machinery, characterized in that: it comprises a moving frame and a droplet sampling assembly and an inclination adjustment mechanism arranged on the moving frame, a moving wheel is installed at the lower end of the moving frame, and the inclination adjustment The mechanism controls the droplet sampling component to turn left and right; The droplet sampling assembly includes a row of turnover plates evenly distributed on the moving frame, sampling test tubes arranged on the turning plate, and fixed plates located at both ends of the turning plate and mounted on the moving frame. The sampling test tubes are provided with Liquid level sensor, the two ends of the turning plate are movably installed on the fixed plate through the rotating shaft, the rotating shaft at the left end of the turning plate passes through the fixed plate and is installed on the moving frame, and the rotating shaft at the right end of the turning plate passes through the fixing plate and is fitted with Transmission gear; The inclination adjustment mechanism includes guide rails arranged on the moving frame and translation racks that can move along the guide rails. The transmission gears are evenly spaced on the translation racks and mesh with the translation racks respectively. The part is also provided with a drive gear that meshes with the translation rack, and the axle of the drive gear is connected with the output shaft of the drive motor; two limit switches are provided on the guide rail. 2. A device for detecting spray uniformity of plant protection machinery according to claim 1, characterized in that: the upper end of the flip plate is evenly provided with buckles, the lower end of the flip plate is provided with a boss, and the sampling test tube is set on In the buckle, and the lower end of the sampling test tube is placed on the boss. 3. A device for detecting spray uniformity of plant protection machinery according to claim 1, characterized in that: the two ends of the turning plate are respectively provided with height adjustment mechanisms, and the height adjustment mechanism includes a fixed plate and a turning plate The vertical guide rail plate between them, the vertical guide rail is installed on the vertical guide rail plate. Bolts, the ends of the fastening bolts are pressed against the overturning plate to fix the overturning plate. 4. A device for detecting the spray uniformity of plant protection machinery according to claim 3, characterized in that vertical grooves are symmetrically opened on both side walls of the vertical guide rail, and spring sheets are installed in the vertical grooves, and the turning over The side walls of the plate are in elastic contact with the two spring pieces respectively. 5. A device for detecting spray uniformity of plant protection machinery according to claim 1, characterized in that: a liquid sump is installed on the mobile frame, and the flip plate is located above the liquid sump and below the liquid sump There is a liquid collecting port. 6. A device for detecting spray uniformity of plant protection machinery according to claim 1, characterized in that: a push rod frame is installed at one end of the moving frame. 7. A device for detecting spray uniformity of plant protection machinery according to claim 1, characterized in that: a motor fixing frame is fixedly installed on the moving frame, and the driving motor is installed on the motor fixing frame.