Telescopic spraying rod of agricultural planting pesticide spraying machine

Abstract

The utility model discloses a telescopic spraying rod of an agricultural planting spraying machine, which belongs to the technical field of spraying rod equipment of spraying machines and comprises a spraying rod main body, the spraying rod main body comprises a square pipe and a movable sliding rod, the sliding rod is connected with the square pipe through a driving component, and one end of the square pipe is provided with a round hole for injecting liquid medicine. One end of the sliding rod is fixedly provided with a U-shaped plate, one end of the U-shaped plate is provided with a rotatable spray head through a rotating assembly, one end of the sliding rod is provided with a liquid conveying hole, one end of the spray head is communicated with the liquid conveying hole, the spraying angle of pesticide liquid is adjusted by rotating a worm, pesticide liquid can be conveniently sprayed to crops with different heights, and practicability is high; the pesticide spraying area is increased, the spraying efficiency is improved, the gear can be rotated through the hand wheel to drive the sliding rod to move, then the pin rod is used for fixing, stretching and retracting of the spraying rod body are achieved, convenience and rapidness are achieved, and the stretching and retracting efficiency is high.

Description

Technical Field

[0001] The utility model specifically relates to a telescopic spray rod of an agricultural planting sprayer, and belongs to the technical field of spray rod equipment of sprayers. Background Art

[0002] In the process of crop planting, in order to prevent the occurrence of diseases and pests, pesticides need to be sprayed regularly, which needs to be operated by a sprayer. The sprayer mixes water with liquid medicine and sprays the liquid onto the surface of the object under pressure. The spray rod is one of the important parts of the sprayer, which transports the mixed liquid medicine to the corresponding position. Since the area of ​​farmland is generally large, a retractable spray rod is needed for spraying operations to improve spraying efficiency.

[0003] When a common agricultural planting sprayer has a retractable spray boom, although the length of the spray boom can be extended by retracting the spray boom, the existing retractable spray boom is generally manually moved out during the extension process and then fixed by bolts, which is inconvenient and inefficient. In addition, in order to increase the spraying area, the staff needs to manually swing the spray boom, which is inconvenient, time-consuming and labor-intensive to operate, and the spraying angle is not easy to adjust. Utility Model Content

[0004] The utility model aims to solve the deficiencies of the prior art and provide a telescopic spray rod for an agricultural planting sprayer, so as to facilitate the telescopic operation of the spray rod, adjust the spraying angle and increase the spraying area.

[0005] The utility model achieves the above-mentioned purpose through the following technical scheme: a telescopic spray rod of an agricultural planting sprayer, comprising a spray rod body, the spray rod body comprising a square tube and a movable sliding rod, the sliding rod being connected to the square tube through a driving assembly, one end of the square tube being provided with a circular hole for injecting liquid medicine, one end of the sliding rod being fixedly mounted with a U-shaped plate, one end of the U-shaped plate being provided with a rotatable spray head through a rotating assembly, one end of the sliding rod being provided with an infusion hole, one end of the spray head being connected with the infusion hole, when in use, the spray head being used to evenly spray liquid medicine, the rotating assembly being used to rotate the spray head, one end of the circular hole extending to the inside of the square tube, and the driving assembly being used to move the sliding rod in the square tube.

[0006] Furthermore, in order to enable the rack to move, the driving assembly includes a rack, a mounting groove is opened on one side of the sliding rod, the rack is fixedly installed in the mounting groove, a square plate is fixedly installed at one end of the square tube, a gear is rotatably installed between the square plates, the gear is meshed with the rack, the gear is used to drive the rack to move, and the rack is used to drive the sliding rod to move.

[0007] Furthermore, in order to facilitate the rotation of the gear, a hand wheel is rotatably installed on one side of the square plate, and the hand wheel is fixedly connected to the gear. The hand wheel is an existing structure and can reduce the force required to rotate the gear.

[0008] Furthermore, in order to fix the gear, limiting holes are opened in a circular array on one side of the gear, a pin rod is inserted into one side of the square plate, and one end of the pin rod extends into the limiting hole. The pin rod can be inserted into the limiting hole, and the pin rod is used to limit the position of the gear.

[0009] Furthermore, in order to stabilize the sliding rod, an annular plate is fixedly installed on the outer side of one end of the sliding rod, and a guide rod is inserted in a circular array at the upper end of the square tube. One end of the guide rod is fixedly connected to the annular plate, and a guide hole is opened at the upper end of the square tube. The guide rod is inserted in the guide hole to play a guiding and limiting role to prevent the sliding rod from shaking during movement.

[0010] Furthermore, in order to enable the nozzle to rotate, the rotating assembly includes a rotating shaft, which is rotatably mounted on the U-shaped plate, and a mounting plate with a cavity formed inside is fixedly mounted on the outside of the rotating shaft. The nozzles are mounted in a linear array at one end of the mounting plate, and the number of the nozzles can be set according to actual conditions.

[0011] Furthermore, in order to allow the medicine to flow into the nozzle, a telescopic water pipe is fixedly installed at one end of the infusion hole, one end of the telescopic water pipe is connected to the cavity, one end of the nozzle extends into the cavity, the telescopic water pipe is used to transport the medicine, and the cavity is used to connect the nozzle and the telescopic water pipe.

[0012] Furthermore, in order to facilitate the rotation of the rotating shaft, a worm is fixedly installed at one end of the U-shaped plate, and a worm wheel is fixedly installed at one end of the rotating shaft, and the worm wheel is meshed with the worm, and the worm is used to rotate the worm wheel. The worm wheel and the worm have a self-locking function and can fix the rotating shaft.

[0013] The technical effects and advantages of the utility model are as follows: when the utility model is in use, the gear is rotated by the hand wheel to drive the sliding rod to move, and then the pin rod is used to fix it, so as to realize the extension and retraction of the spray rod body. It is convenient and fast, and the extension and retraction efficiency is high. The spraying angle of the liquid medicine can also be adjusted by rotating the worm, so that it is convenient to spray the liquid medicine on crops at different heights. Multiple groups of nozzles are set to increase the spraying area of ​​the liquid medicine and improve the spraying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the square tube and the sliding rod of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the drive assembly of the utility model;

[0017] Figure 4 This is a schematic diagram of the connection structure of the rotating assembly of the utility model;

[0018] Figure 5 It is a schematic diagram of the cross-sectional structure of the mounting plate of the utility model.

[0019] In the figure: 1. square tube; 2. sliding rod; 3. driving assembly; 301. rack; 302. square plate; 303. gear; 304. hand wheel; 305. limit hole; 306. pin rod; 4. round hole; 5. U-shaped plate; 6. rotating assembly; 601. rotating shaft; 602. mounting plate; 603. cavity; 604. telescopic water pipe; 605. worm; 606. worm wheel; 7. nozzle; 8. infusion hole; 9. ring plate; 10. guide rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 5 As shown, a telescopic spray rod of an agricultural planting sprayer comprises a spray rod body, the spray rod body comprises a square tube 1 and a movable sliding rod 2, the sliding rod 2 is connected to the square tube 1 through a driving assembly 3, a circular hole 4 for injecting liquid medicine is provided at one end of the square tube 1, a U-shaped plate 5 is fixedly mounted at one end of the sliding rod 2, a rotatable spray head 7 is mounted at one end of the U-shaped plate 5 through a rotating assembly 6, an infusion hole 8 is provided at one end of the sliding rod 2, and one end of the spray head 7 is communicated with the infusion hole 8. When in use, the square tube 1 is first mounted on the sprayer, liquid medicine is injected through the circular hole 4, and then the sliding rod 2 is moved in the square tube 1 through the driving assembly 3 to extend and fix the spray rod body, and then the liquid medicine is evenly sprayed on the crops through the spray head 7. When the spraying angle of the liquid medicine needs to be adjusted, the angle of the spray head 7 is changed through the rotating assembly 6, and the spraying angle of the liquid medicine changes accordingly.

[0022] The driving assembly 3 includes a rack 301, a mounting groove is provided on one side of the sliding rod 2, the rack 301 is fixedly installed in the mounting groove, a square plate 302 is fixedly installed on one end of the square tube 1, a gear 303 is rotatably installed between the square plates 302, the gear 303 is meshed with the rack 301, a hand wheel 304 is rotatably installed on one side of the square plate 302, the hand wheel 304 is fixedly connected to the gear 303, a limiting hole 305 is provided in a circumferential array on one side of the gear 303, a pin rod 306 is inserted on one side of the square plate 302, and one end of the pin rod 306 extends to the limiting hole 3 05, an annular plate 9 is fixedly installed on the outside of one end of the sliding rod 2, and a guide rod 10 is inserted in a circular array on the upper end of the square tube 1, and one end of the guide rod 10 is fixedly connected to the annular plate 9. When in use, first manually turn the hand wheel 304 to drive the gear 303 to rotate, and the rack 301 moves accordingly, so that the sliding rod 2 moves in the square tube 1. At this time, the guide rod 10 moves in the guide hole to play a fixing role to prevent the sliding rod 2 from shaking when it is extended and retracted. Then the pin rod 306 is inserted into the limiting hole 305 to fix the gear 303, and the sliding rod 2 is fixed accordingly.

[0023] The rotating assembly 6 includes a rotating shaft 601, which is rotatably mounted on the U-shaped plate 5. A mounting plate 602 with a cavity 603 is fixedly mounted on the outer side of the rotating shaft 601. The nozzles 7 are mounted on one end of the mounting plate 602 in a linear array. A telescopic water pipe 604 is fixedly mounted on one end of the infusion hole 8. One end of the telescopic water pipe 604 is connected to the cavity 603. One end of the nozzle 7 extends into the cavity 603. A worm 605 is fixedly mounted on one end of the U-shaped plate 5. A worm gear 606 is fixedly mounted at one end of the moving shaft 601, and the worm gear 606 is meshed with the worm 605. When in use, the liquid medicine flows into the cavity 603 through the infusion hole 8 and then through the telescopic water pipe 604, and is finally sprayed out evenly through the nozzle 7. When it is necessary to adjust the spraying angle of the liquid medicine, the worm 605 is first rotated to drive the worm gear 606 to rotate, and the rotating shaft 601 rotates accordingly, so that the mounting plate 602 rotates, so that the direction of the nozzle 7 changes, and the spraying angle of the liquid medicine changes accordingly.

[0024] When the utility model is in use, firstly, the square tube 1 is installed on the sprayer, and the medicine liquid flows into the infusion hole 8 from the round hole 4, and then the hand wheel 304 is manually turned to move the sliding rod 2, and the guide rod 10 plays a fixing role to prevent the sliding rod 2 from shaking when it is extended and retracted, and then the sliding rod 2 is fixed by the pin rod 306 to achieve the extension of the spray rod body, which is convenient and fast, and the extension efficiency is high. Then the medicine liquid flows into the cavity 603 through the telescopic water pipe 604, and finally is evenly sprayed out through the nozzle 7. When it is necessary to adjust the spraying angle of the medicine liquid, the worm 605 is rotated to drive the mounting plate 602 to rotate, the position of the nozzle 7 changes, and the spraying angle of the medicine liquid changes accordingly, which is convenient for spraying the medicine liquid on crops at different heights. Arranging multiple groups of nozzles 7 increases the spraying area of ​​the medicine liquid and improves the spraying efficiency.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A telescopic spraying boom of an agricultural planting spraying machine, comprising a spraying boom body, wherein the spraying boom body comprises a square tube (1) and a movable sliding rod (2), characterized in that: The sliding rod (2) is connected to the square tube (1) via a driving assembly (3); a circular hole (4) for injecting liquid medicine is provided at one end of the square tube (1); a U-shaped plate (5) is fixedly mounted at one end of the sliding rod (2); a rotatable spray head (7) is mounted at one end of the U-shaped plate (5) via a rotating assembly (6); an infusion hole (8) is provided at one end of the sliding rod (2); and one end of the spray head (7) is connected to the infusion hole (8).

2. The telescopic spraying boom of the agricultural planting spraying machine according to claim 1, characterized in that: The driving assembly (3) comprises a rack (301), a mounting groove is provided on one side of the sliding rod (2), the rack (301) is fixedly installed in the mounting groove, a square plate (302) is fixedly installed on one end of the square tube (1), a gear (303) is rotatably installed between the square plates (302), and the gear (303) is meshed with the rack (301).

3. The telescopic spraying boom of the agricultural planting spraying machine as claimed in claim 2, characterized in that: A hand wheel (304) is rotatably mounted on one side of the square plate (302), and the hand wheel (304) is fixedly connected to the gear (303).

4. The telescopic spraying boom of the agricultural planting spraying machine as claimed in claim 3, characterized in that: One side of the gear (303) is provided with limiting holes (305) in a circumferential array, one side of the square plate (302) is plugged with a pin rod (306), and one end of the pin rod (306) extends into the limiting hole (305).

5. The telescopic spraying boom of the agricultural planting spraying machine according to claim 1, characterized in that: An annular plate (9) is fixedly mounted on the outer side of one end of the sliding rod (2), and a guide rod (10) is inserted into the upper end of the square tube (1) in a circular array, and one end of the guide rod (10) is fixedly connected to the annular plate (9).

6. The telescopic spraying boom of the agricultural planting spraying machine according to claim 1, characterized in that: The rotating assembly (6) comprises a rotating shaft (601) which is rotatably mounted on the U-shaped plate (5); a mounting plate (602) having a cavity (603) therein is fixedly mounted on the outer side of the rotating shaft (601); and the nozzles (7) are mounted in a linear array at one end of the mounting plate (602).

7. The telescopic spraying boom of the agricultural planting spraying machine according to claim 6, characterized in that: A telescopic water pipe (604) is fixedly mounted on one end of the infusion hole (8), one end of the telescopic water pipe (604) is in communication with the cavity (603), and one end of the nozzle (7) extends into the cavity (603).

8. The telescopic spraying boom of the agricultural planting spraying machine as claimed in claim 7, characterized in that: A worm (605) is fixedly mounted on one end of the U-shaped plate (5), a worm wheel (606) is fixedly mounted on one end of the rotating shaft (601), and the worm wheel (606) is meshed with the worm (605).

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