CN209914868U - Variable-row-pitch probing type target pesticide applying device - Google Patents
Variable-row-pitch probing type target pesticide applying device Download PDFInfo
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- CN209914868U CN209914868U CN201920388952.3U CN201920388952U CN209914868U CN 209914868 U CN209914868 U CN 209914868U CN 201920388952 U CN201920388952 U CN 201920388952U CN 209914868 U CN209914868 U CN 209914868U
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Abstract
The utility model provides a variable-pitch probing type target pesticide applying device, which comprises a lifting device, a guide rail frame, a variable-pitch device and a pipeline device. When the lifting device is used, the lifting connecting rod is driven to rotate in the vertical plane by the lifting electric push rod, so that the lifting and descending of the spray rod are realized, and the height change of the spray head is adjusted; the folding device enables the left guide rail frame, the right guide rail frame and the middle guide rail frame to be in butt joint through the folding electric push rod to form a straight line, and the sliding block can slide on the whole guide rail; the line spacing changing device drives the sliding block to slide through the bidirectional screw rod, and the sliding block drives the connecting rods to move in the opposite direction or in the opposite direction, so that the distance change of the spray head is adjusted; when the folding electric push rod is not used, the folding electric push rod is contracted to fold the left guide rail frame, the right guide rail frame and the middle guide rail frame in half, and the folding storage of the pesticide applying device is completed. The utility model discloses can carry out medicine to the target to crops, especially can spout the medicine to the short crops of different row spacing, improve the pesticide utilization ratio, resources are saved and cost reduce environmental pollution.
Description
Technical Field
The utility model belongs to agricultural machinery equipment field relates to a plant protection machine, especially relates to a formula of spying into is executed medicine device to target to variable row spacing.
Background
China is a big agricultural country, and the planting industry is the most important agricultural production department. The main grain crops include rice, wheat and the like, and the economic crops include cotton, peanut, rape, tobacco leaves and the like. The planting row spacing of various crops is different, the occurrence positions of plant diseases and insect pests are also different, and the current domestic plant protection machinery is more researched for orchards, less research is carried out for pesticide spraying machines for short crops, the spacing between spray nozzles cannot be adjusted according to the actual planting row spacing, and pesticide is also applied to the crops planted in different row spacings, wherein the exposed soil in the crops is the same, so that great waste of pesticide and pollution to the soil are caused; for crops with more flourishing leaves, due to the shielding of the canopy, the liquid medicine is difficult to deposit at the position below the canopy where diseases and insect pests occur.
The Chinese patent with the patent number 201720747306.2 discloses a multifunctional spray rod type spraying machine, which can adjust the height of a medicine rack through a medicine rack lifting mechanism to adapt to the height change of the growth of crops, and can fold the medicine rack together when not in use through an unfolding and folding mechanism to save the storage space; however, the nozzles are arranged on the pesticide rack at equal intervals, the spraying coverage is wide when the pesticide rack is unfolded for use, the distance between the spray heads cannot be adjusted according to the actual planting row spacing, and the pesticide is applied to the exposed soil at the same time, so that the pesticide waste and the soil pollution are caused. In order to improve the problem, a probing type variable row spacing target isobaric pesticide application device (patent No. 201710617877.9) is designed, a spray head can be probed into a rice cluster, the height of the device can be adjusted, and the included angle between a bracket and a wing bracket is changed through a primary rotating device, so that the actual planting row spacing of rice is correspondingly adjusted, and the target pesticide application is realized; but the distance between the spray heads can not be adjusted according to the actual planting row spacing, which causes pesticide waste and land pollution.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to above-mentioned problem, research and development a variable row spacing is visited income formula atomizer, to going to target application of medicine, resources are saved reduces environmental pollution. The utility model adopts the following technical scheme:
a variable pitch probe-in target applicator comprising: the lifting device, the guide rail frame, the line spacing changing device and the pipeline device;
the lifting device is of a rectangular frame structure, is fixed on the pesticide application machine, provides support for the whole pesticide application device, and comprises a rack, a bearing, a first short shaft, a lifting connecting rod, a limiting rod, a first pin shaft and a lifting electric push rod; the bearing is fixed on the side edge of the rack through a bolt, the lifting connecting rod is connected with the bearing through the first short shaft, the lifting connecting rod can rotate around the bearing, the limiting rod is fixed in the middle of the lifting connecting rod to form an I-shaped structure, the lifting electric push rod base is hinged to the middle of the rack through the first pin shaft, and the movable end is hinged to the middle of the limiting rod;
the guide rail frame comprises a left guide rail frame, a right guide rail frame, a middle guide rail frame and a folding device; the front part of the lifting device is connected with the middle guide rail frame, the left guide rail frame and the right guide rail frame are of symmetrical structures, respectively correspond to the left end and the right end of the middle guide rail frame, and are connected with the middle guide rail frame through the folding device;
the variable-pitch device comprises a guide rail, a slide block, a connecting rod mechanism and a lead screw driving device, wherein the guide rail comprises a left guide rail, a right guide rail and a middle guide rail which are identical in structure and are respectively fixed on a left guide rail frame, a right guide rail frame and a middle guide rail frame, the slide block in the middle is fixed on the middle guide rail, the other slide blocks can slide on the guide rail, the connecting rod mechanism is fixed on the slide block, and the lead screw driving device drives the slide block to move so as to drive the connecting rod mechanism to move;
the pipeline device comprises a hose, a connector, a spray rod, a spray head and a spray rod fixing clamp, wherein the hose is connected with the spray rod through the connector, the bottom of the spray rod is connected with the spray head, the spray rod is fixed on the sliding block through the spray rod fixing clamp, and when the sliding block slides, the distance between the spray rods is changed through the movement of the connecting rod mechanism.
The utility model drives the lifting connecting rod to rotate in the vertical plane through the contraction and extension of the lifting electric push rod, thereby realizing the ascending and descending of the spray rod and adjusting the height change of the spray head; the lead screw driving device drives the sliding block to drive the connecting rod mechanism to move, the distance between the spray rods changes along with the movement of the connecting rod mechanism, so that the spray heads are adjusted according to actual line spacing, the principle is simple, and the target pesticide application is realized through the change of the spacing and the height of the spray heads.
The folding device can fold the medicine applying device together when not in use, thereby saving the storage space; and the left guide rail frame, the right guide rail frame and the middle guide rail frame can be butted together after being unfolded, the slide block can slide on the whole guide rail frame, the line spacing adjustment range is large, and the space utilization rate of the device is high.
Furthermore, the folding device comprises a folding electric push rod, a rotating shaft, a push rod connecting piece, a push rod fixing piece and a second pin shaft; the right guide rail frame is hinged with the middle guide rail frame through the rotating shaft, the push rod fixing piece is installed above the middle guide rail frame, the fixed end of the folding electric push rod is hinged with the push rod fixing piece through the third pin shaft, and the movable end of the folding electric push rod is hinged to the push rod connecting piece on the right guide rail frame through the second pin shaft; the left guide rail frame with pass through between the middle guide rail frame the rotation axis is articulated, the push rod mounting is installed middle guide rail frame left end top, the stiff end of folding electric putter with the push rod mounting by the third round pin axle articulates together, the expansion end by the second round pin axle articulates on the push rod connecting piece on the left guide rail frame.
The folding device can change the included angle between the middle guide rail bracket and the left guide rail bracket and between the middle guide rail bracket and the right guide rail bracket between 90 and 180 degrees; when the folding electric push rod is completely contracted, the included angle between the middle guide rail bracket and the left guide rail bracket and the included angle between the middle guide rail bracket and the right guide rail bracket are 90 degrees, and the guide rail bracket is in a contracted state; when the folding electric push rod extends out completely, the included angle between the middle guide rail frame and the left guide rail frame and the included angle between the middle guide rail frame and the right guide rail frame are 180 degrees, and the guide rail frame is in a completely opened state.
Furthermore, the guide rail is a built-in double-axis linear guide rail, the section of the guide rail is U-shaped, and an axis track is arranged in the guide rail; the slider is the gyro wheel slider, and the gyro wheel has "U" type slot, can be with the inside axle center full contact of track.
Further, the connecting rod mechanism comprises a connecting rod, a diamond bearing with a seat, a bearing with a shaft, a bolt shaft, a second short shaft, a bearing seat and a shaft fixing block;
the tape spool bearing is fixed on the bearing frame, the bearing frame is installed the one end of connecting rod, the tape spool bearing with the cooperation of bolt axle, through another connecting rod of bolt hub connection, can rotate relatively between the connecting rod, constitute a plurality of congruent "V" type structures, the center is fixed tape spool diamond-shaped bearing, tape spool diamond-shaped bearing passes through the second minor axis is fixed on the axle fixed block, the axle fixed block is installed on the slider, all connecting rod centers constitute a straight line. When the screw rod driving device drives the sliding block connected with the screw rod driving device to slide, the connecting rod connected with the sliding block drives the adjacent sliding block and the connecting rod connected with the sliding block to move, and the like, so that the equidistant change of the distance between the adjacent spray heads is realized.
Furthermore, the screw rod driving device is arranged on the middle guide rail frame, is positioned below the middle guide rail and is connected with the slide block through a slide block connecting piece;
the screw rod driving device comprises a motor, a coupler, a bidirectional screw rod, a nut seat and a sliding plate, wherein the motor is connected with the bidirectional screw rod through the coupler, the bidirectional screw rod is provided with the nuts in axial central cross section symmetry, the nut can move left and right on the bidirectional screw rod, the nut seat is arranged on the nut, the slider connecting piece is arranged on the nut seat, the sliding plate is arranged on the bottom surface of the nut seat, and the sliding plate is used for restraining the nut to rotate.
Further, the joint comprises an L-shaped two-way joint, a T-shaped three-way joint and a cross-shaped four-way joint; the spraying machine comprises spraying rods, cross four-way joints, spraying hoses, spraying pipes, cross four-way joints and spraying pipes, wherein the upper ends of the two spraying rods on the outermost side are connected with the L-shaped two-way joints, the spraying rods in the middlest side are connected with the cross four-way joints, the other spraying rods are connected with the T-shaped three-way joints, all the joints are.
Furthermore, two adjacent connecting rods are arranged one above the other and below the other, and the distance between the diamond-shaped bearing with the seat and the shaft fixing block is matched with the positions of the connecting rods; namely, the distance between the diamond-shaped bearing with the seat and the shaft fixing block is different, namely, the distance between the diamond-shaped bearing with the seat connected with the lower connecting rod and the shaft fixing block is smaller than the distance between the diamond-shaped bearing with the seat connected with the upper connecting rod and the shaft fixing block, so as to offset the thickness of the connecting rod.
Furthermore, the sliding block connecting piece is respectively connected with second sliding blocks on two sides of the middle fixed sliding block;
furthermore, the folding device comprises a guide rail butt joint groove, the guide rail butt joint groove is arranged at two ends of the middle guide rail frame and used for enabling the middle guide rail to be in butt joint with the left guide rail and the right guide rail when the guide rail frame is unfolded, so that errors and resistance in butt joint of the guide rails are reduced, and butt joint is smooth.
Furthermore, the spray head is a cross spray head, and the distribution of the fog particles is more uniform.
Further, the utility model discloses a variable pitch is visited income formula and is executed medicine device to target still includes one of following technical characterstic at least:
the folding device also comprises a thrust roller bearing, wherein the thrust roller bearing is sleeved on the rotating shaft and is positioned between the left guide rail frame and the middle guide rail frame and between the right guide rail frame and the middle guide rail frame, so that friction of the guide rail frame during rotation is reduced;
the spray rod fixing clamp is arranged between the sliding block and the shaft fixing block;
nuts are respectively sleeved at two ends of the rotating shaft to determine the mounting position of the rotating shaft;
the shaft bearing is interference fit with the bolt shaft to achieve a more secure connection.
Furthermore, the power supplies of the lifting device, the folding device and the screw rod driving device are all from a vehicle-mounted direct-current power supply, the lifting electric push rod, the folding electric push rod and the motor are respectively connected with the vehicle-mounted direct-current power supply through positive and negative switches, and the positive and negative switches are respectively used for controlling the extension, retraction and stop self-locking of the electric push rod and the positive and negative rotation and stop of the motor.
The utility model discloses following beneficial effect can be gained:
1. the utility model discloses a elevating gear adopts to go up and down the electric push rod and drive the lifting connecting rod at vertical plane internal rotation to realize the rising and the decline of spray lance, the altitude variation of adjustment shower nozzle drives the device of giving medicine to poor free rotation through the lifting connecting rod when lifting electric push rod stretches out, and the spray lance descends, can spout the medicine to short crops well.
2. The utility model combines the line spacing changing device and the telescopic mechanism of the pesticide applying device together, and changes the line spacing while stretching; the spray rod can travel on the whole guide rail frame, the line spacing adjusting range is large, the guide rail is arranged on the folding telescopic mechanism of the device, an additional telescopic mechanism is not needed, and the storage space of the device is greatly saved.
3. The row spacing changing device of the utility model realizes the distance change between the spray rods by adopting the matching of the slide block and the guide rail, and solves the difficult problem that the row spacing is difficult to change in the prior art; in the prior art, the spray rod is fixed on the display rack and cannot move relative to the display rack, namely, a certain angle is formed between the spray rod and crops, so that the spray rod cannot spray pesticides on a straight line, and the phenomenon of spray leakage can occur; the utility model discloses a spray lance can relative guide rail frame remove, what adopt between spray lance and the spray lance is connected through the connecting rod, through connecting rod promotion spray lance motion, on the spray lance was in a straight line all the time, the problem of omitting can not appear when spraying insecticide.
4. The guide rail of the utility model adopts a built-in double-axis linear guide rail, the section of which is U-shaped and is internally provided with an axis track; the slide block is a roller slide block, and the roller is provided with a U-shaped groove which can be completely contacted with the axle center of the inner side of the track; the guide rail and the sliding block are novel in structure and are matched more closely, and sliding obstruction cannot occur.
5. The utility model discloses a elevating gear, variable row spacing device change the working height and the interval of shower nozzle, adapt to the crops that different intervals were planted and the plant diseases and insect pests that different positions take place, have very strong adaptability, can effectual improvement pesticide utilization ratio, resources are saved and cost reduce environmental pollution.
Drawings
FIG. 1 is a schematic view of the present invention without a waterway structure;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a top view of the present invention without a waterway;
FIG. 4 is a front view of the water path;
FIG. 5 is a partial enlarged view of B in FIG. 4;
fig. 6 is a schematic view of the screw driving device of the present invention;
fig. 7 is a schematic view of the slider structure of the present invention;
fig. 8 is a schematic view of the longitudinal section structure of the guide rail of the present invention;
fig. 9 is a schematic longitudinal sectional structure diagram of the slider and the guide rail of the present invention;
description of reference numerals: 1 bearing, 2 first short shaft, 3 frame, 4 first pin shaft, 5 lifting electric push rod, 6 limit rod, 7 lifting connecting rod, 8 right guide rail frame, 9 second pin shaft, 10 folding electric push rod, 11 push rod connecting piece, 12 middle guide rail frame, 13 nut, 14 thrust roller bearing, 15 rotating shaft, 16 guide rail butt groove, 17 push rod fixing piece, 18 belt shaft bearing, 19 bolt shaft, 20 bearing seat, 21 slider, 22 connecting rod, 23 belt seat diamond bearing, 24 second short shaft, 25 shaft fixing block, 26 middle guide rail, 27 left guide rail frame, 28 motor, 29 coupler, 30 two-way screw rod, 31 nut, 32 nut seat, 33 slider connecting piece, 34 sliding plate, 35 spray rod fixing clamp, 36 hose, 37L-shaped two-way joint, 38T-shaped three-way joint, 39 cross-shaped four-way joint, 40 spray rod, 41 spray head, left guide rail 42, right guide rail 43, third pin shaft 44, axis track 45, a roller 46.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
the variable pitch probing type target drug delivery device of the embodiment comprises: lifting device, guide rail frame, line spacing device and pipeline device. Wherein:
as shown in fig. 1 and 3, the lifting device is a rectangular frame structure, is fixed on the medicine applying machine, and provides support for the whole medicine applying device, and comprises a bearing 1, a first short shaft 2, a machine frame 3, a first pin shaft 4, a lifting electric push rod 5(XTL100), a limiting rod 6 and a lifting connecting rod 7. The frame 3 is of a rectangular structure, two sides of the frame 3 are respectively connected with two lifting connecting rods 7, the bearing 1 is fixed on the side of the frame 3 through bolts, the lifting connecting rods 7 are connected with the bearing 1 through a first short shaft 2, the lifting connecting rods 7 can rotate around the bearing 1, the two limiting rods 6 are respectively fixed at the middle positions of the lifting connecting rods 7 on the two corresponding sides to form an I-shaped structure, and the lifting connecting rods 7 are prevented from moving in the axial direction of the first short shaft 2; the higher authority intermediate position of frame 3 is equipped with the stand, and the base of lift electric putter 5 articulates on the stand of frame 3 through first round pin axle 4, and the expansion end articulates the intermediate position of gag lever post 6 below, and the stand can increase dispensing device's high lifting range.
As shown in fig. 1 and 2, the rail brackets include a left rail bracket 27, a right rail bracket 8, a middle rail bracket 12, and a folding device. The front of the lifting device is connected with a middle guide rail frame 12, a left guide rail frame 27 and a right guide rail frame 8 are of symmetrical structures and respectively correspond to the left end and the right end of the middle guide rail frame 12, and the left guide rail frame 27 and the right guide rail frame 8 are both connected with the middle guide rail frame 12 through a folding device. The folding device comprises a second pin shaft 9, a folding electric push rod 10(XTL100), a push rod connecting piece 11, a nut 13, a thrust roller bearing 14, a rotating shaft 15, a guide rail butt joint groove 16 and a push rod fixing piece 17. Taking the right guide rail bracket 8 as an example, the right guide rail bracket 8 is hinged with the middle guide rail bracket 12 through a rotating shaft 15, the push rod fixing part 17 is installed above the middle guide rail bracket 12, the fixed end of the folding electric push rod 10 is hinged with the push rod fixing part 17 through a third pin shaft 44, and the movable end is hinged with the push rod connecting part 11 on the right guide rail bracket 8 through a second pin shaft 9. The folding device at the joint of the left rail bracket 27 and the middle rail bracket 12 is the same as that of the right rail bracket 8, and the description thereof is omitted.
The folding device can enable the included angle between the middle guide rail frame 12 and the left guide rail frame 27 and the right guide rail frame 8 to change between 90 degrees and 180 degrees, when the folding electric push rod 10 is completely contracted, the included angle between the middle guide rail frame 12 and the left guide rail frame 27 and the right guide rail frame 8 is 90 degrees, and the whole guide rail frame is in a contracted state; when the folding electric push rod 10 is completely extended, the included angle between the middle guide rail bracket 12 and the left guide rail bracket 27 and the right guide rail bracket 8 is 180 degrees, and the guide rail brackets are in a completely opened state.
As shown in fig. 2, 4 and 5, the pitch changing device includes a guide rail, a slider 21, a link mechanism and a lead screw driving device. The guide rail comprises a left guide rail 42, a right guide rail 43 and a middle guide rail 26 which are respectively fixed on a left guide rail frame 27, a right guide rail frame 8 and a middle guide rail frame 12, wherein a middle slide block 21 is fixed on the middle guide rail 12, the other slide blocks 21 can slide on the guide rail, a connecting rod mechanism is fixed on the slide blocks, and a lead screw driving device drives the slide blocks to move so as to drive the connecting rod mechanism to move.
The link mechanism comprises a connecting rod 22, a diamond-shaped bearing 23 with a seat, a bearing 18 with a shaft, a bolt shaft 19, a second short shaft 24, a bearing seat 20 and a shaft fixing block 25. The shaft fixing block 25 is mounted on the roller slider 21, the center of the shaft fixing block is in interference fit with a second short shaft 24, a diamond-shaped bearing with a seat 23 is mounted on the second short shaft 24, the diamond-shaped bearing with a seat 23 and the connecting rods 22 are fixed through bolts, and the centers of all the connecting rods 22 form a straight line. The bearing seat 20 is installed at one end of the connecting rod 22, the belt shaft bearing 18 is fixed on the bearing seat 20, the inner ring of the belt shaft bearing 18 is in interference fit with the bolt shaft 19, the bolt shaft 19 is connected with one end of the other connecting rod 22, the connecting rods 22 can rotate relatively to form a plurality of congruent V-shaped structures, the distance of intersection points in the middle of the structures can be changed due to the driving of the screw rod driving device according to the geometrical relationship, and the distances between the two are theoretically and permanently equal, namely, the equivalent change of the distance between the adjacent spray heads 41 is realized.
Fig. 6 is a schematic diagram of a lead screw driving apparatus having a conventional structure (DFU01605-4), which is provided on the intermediate rail frame 12 below the intermediate rail 26, and includes a motor 28, a coupling 29, a bidirectional lead screw 30, a nut 31, a nut holder 32, and a slide plate 34. The screw driving device is driven by a motor 28, the motor 28 is a direct current motor, is installed on the middle guide rail bracket 12 and is connected with a bidirectional screw 30 through a coupling 29, two nuts 31 are provided, one is an orthodontic nut and the other is an anti-orthodontic nut, the bidirectional screw 30 can move left and right, the nut 31 is provided with a nut seat 32, the bottom surface of the nut seat 32 is provided with a sliding plate 34 to restrain the nut 31 from rotating, the nut 31 is stopped when the distance between the spray heads 41 is matched with the line distance, and each nut seat 32 is provided with a slide block connecting piece 33 which is respectively connected with the first slide block 21 on both sides of the middle fixed slide block 21. The screw rod driving device drives the slide block 21 to move left and right on the guide rail through a slide block connecting piece 33 arranged on the nut seat 32.
As shown in fig. 4 and 5, the piping arrangement includes a hose 36, a fitting, a spray bar 40, a spray head 41, and a spray bar holder 35. Wherein, the spray rod 38 is fixed on the slide block 21 through the spray rod fixing clamp 35, and the spray head 39 is arranged at the lower end of the spray rod 38. The joints comprise an L-shaped two-way joint 37, a T-shaped three-way joint 38 and a cross-shaped four-way joint 39; wherein, the upper end of the cross four-way joint 39 is connected with the main water pipe of the pesticide applying machine, the lower end is connected with the spray rod 40 at the middle, and the interfaces at the two ends are respectively connected with the spray rods 40 at the two sides through the hose 36; the lower end interfaces of the L-shaped two-way connectors 37 are arranged on the two spray bars 40 at the outermost sides, and the other interface is connected with the hose 36, so that liquid medicine only flows to the spray bar at the lower end of the L-shaped two-way connectors 37 when passing through the L-shaped two-way connectors 37; the lower end interface of the T-shaped three-way joint 38 is arranged on the spray rod 40 except the middle and the outermost side, and the interfaces at the two ends are connected with the adjacent joints through the hose 36, so that when the liquid medicine passes through the T-shaped three-way joint 38, the liquid medicine is divided to the spray rod 40 at the lower end of the T-shaped three-way joint 38 and the joints at the two ends.
When the lifting electric push rod 5 drives the lifting device to move, the height of the whole guide rail frame is changed, so that the working height of the spray head 41 is changed; when the bidirectional screw 30 drives the nut 31 to move, the sliders 21 connected to the nut holder 32 move, causing the distance between each slider 21 to change, thereby changing the pitch of the spray bars 40. The power supplies of the lifting device, the folding device and the screw rod driving device are all from a vehicle-mounted direct-current power supply, the lifting electric push rod 5, the folding electric push rod 10 and the motor 28 are respectively connected with the vehicle-mounted direct-current power supply through positive and negative switches, and the positive and negative switches are respectively used for controlling the extension and retraction and stopping self-locking of the electric push rod and the positive and negative rotation and stopping of the motor.
Example 2:
as shown in figures 1-6, the structure of the medicine dispensing device of the embodiment is substantially the same as that of embodiment 1, and some improvements are made on the structure, as shown in figure 1, a vertical column is arranged at the middle position of the upper side of a machine frame 3, a base of an elevating electric push rod 5 is hinged on the vertical column of the machine frame 3 through a first pin shaft 4, a movable end is hinged at the middle position of a limiting rod 6 below the vertical column, the vertical column can increase the height lifting range of the medicine dispensing device, the middle positions of two long sides of the machine frame 3 are connected through an ∠ type structure to enhance the stability of the lifting device fixed on the medicine dispensing machine, as shown in figures 2 and 7-9, a left guide rail 42, a right guide rail 43 and a middle guide rail 26 are built-in double-axis linear guide rails (SGR20N), a sliding block 21 is a roller sliding block, as an example, the middle guide rail 26 is in a U-shaped cross section, two axis rails 45 are arranged at the inner side of the U-shaped, the roller 46 is provided with a U-shaped groove, the sliding block has three rollers 46, the middle rollers 46 are fixed by eccentric nuts, the inner side rails can be in full contact with the adjusting nuts, the sliding block 45, the sliding block can obtain the rigidity of the load bearing precision and the load.
The built-in double-axis linear guide rail and the slider are made of aluminum alloy, and the axis track is plated with hard chromium to prevent rusting, so that the anti-rust effect is excellent. The double-axle slide rail product is standardized and standardized, and the slide block is easy to replace when the slide rail product is worn and damaged, so that the slide rail product is very convenient and easy to assemble. The roller rolls completely without lubrication, and can be used under the condition of dust and even water.
Example 3:
as shown in fig. 1 to 9, the structure of the administration device of the present embodiment is substantially the same as that of embodiment 2, and some improvements are made thereon. The distance between the diamond-shaped bearing with a seat 23 and the shaft fixing block 25 connected with the connecting rod 22 at the lower part is smaller than the distance between the diamond-shaped bearing with a seat 23 and the shaft fixing block 25 connected with the connecting rod 22 at the upper part, so that the thickness of the connecting rod is offset, and the connecting rods 22 are arranged at the upper part and the lower part. The two sliding block connecting pieces 33 are respectively connected with the second sliding blocks 21 on the two sides of the middle fixed sliding block 21, and the whole connecting rod mechanism is pushed to move through the second sliding blocks 21, so that the distance between the spray heads is changed.
Example 4:
as shown in FIGS. 1 to 9, the structure of the administration device of the present embodiment is substantially the same as that of embodiment 2. In addition, rail butting grooves 16 are installed at both ends of the middle rail frame 12 to ensure that the middle rail 26 is smoothly butted against the left and right rails 42 and 43 when the rail frame is unfolded. The two sliding block connecting pieces 33 are respectively connected with the second sliding blocks 21 on the two sides of the middle fixed sliding block 21, and the whole connecting rod mechanism is pushed to move through the second sliding blocks 21, so that the line spacing is changed. The spray rod fixing clamp 35 is arranged between the slide block 21 and the shaft fixing block 25; the spray head 41 is a cross spray head, the sprayed fog particles are more uniformly distributed, the pesticide can be uniformly applied to crops, and the local pesticide liquid is prevented from being too much.
Example 5:
as shown in FIGS. 1 to 9, the structure of the administration device of the present embodiment is substantially the same as that of embodiment 4. In addition, two nuts 13 are respectively sleeved at two ends of the rotating shaft 15 and used for determining the installation position of the rotating shaft 15, so that the pesticide applying device is more convenient to install; the rotating shaft 15 is sleeved with a thrust roller bearing 14 and is arranged between the hinged joint of the left guide rail bracket 27 and the hinged joint of the middle guide rail bracket 12 and between the hinged joint of the right guide rail bracket 8 and the hinged joint of the middle guide rail bracket 12, so that friction generated when the guide rail brackets rotate is reduced.
When the pesticide applying device is used, the lifting electric push rod extends out, the pesticide applying device is driven to rotate downwards through the lifting connecting rod, the spray rod descends, the lifting electric push rod contracts, the pesticide applying device is driven to rotate upwards through the lifting connecting rod, the spray rod ascends, and therefore the height change of the spray head is adjusted; the folding electric push rod extends out to butt the left guide rail frame, the right guide rail frame and the middle guide rail frame to form a straight line, so that the slide block can slide on the whole guide rail; the motor drives the two nuts with positive and negative teeth to move on the bidirectional screw rod, when the two nuts move oppositely, the slide block drives the connecting rods to mutually approach, the line spacing between the spray heads becomes smaller, otherwise, the line spacing between the spray heads becomes larger, and therefore the line spacing change of the spray heads is adjusted; the target is applied by varying the height and line spacing of the spray heads. When the folding type medicine applying device is not used, the motor drives the two nuts with the positive and negative teeth to move oppositely on the two-way screw rod until all the slide blocks return to the guide rail between the two nuts, then the folding electric push rod is contracted, the left guide rail frame, the right guide rail frame and the middle guide rail frame are folded in half, and the folding and the storage of the medicine applying device are completed.
The utility model discloses a change the working height and the interval of shower nozzle, adapt to the crop that different intervals were planted and the plant diseases and insect pests that different positions take place, have very strong adaptability, the pesticide utilization ratio is effectively improved, saves resources and cost in the production of agricultural product, reduces environmental pollution.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (10)
1. A variable pitch probe-type target applicator comprising: the lifting device, the guide rail frame, the line spacing changing device and the pipeline device;
the lifting device is of a rectangular frame structure, is fixed on the pesticide application machine, provides support for the whole pesticide application device, and comprises a rack, a bearing, a first short shaft, a lifting connecting rod, a limiting rod, a first pin shaft and a lifting electric push rod; the bearing is fixed on the short edge of the rack through a bolt, the lifting connecting rod is connected with the bearing through the first short shaft, the lifting connecting rod can rotate around the bearing, the limiting rod is fixed in the middle of the lifting connecting rod to form an I-shaped structure, the fixed end of the lifting electric push rod is hinged in the middle of the rack through the first pin shaft, and the movable end of the lifting electric push rod is hinged in the middle of the limiting rod;
the guide rail frame comprises a left guide rail frame, a right guide rail frame, a middle guide rail frame and a folding device; the front part of the lifting device is connected with the middle guide rail frame, the left guide rail frame and the right guide rail frame are of symmetrical structures, respectively correspond to the left end and the right end of the middle guide rail frame, and are connected with the middle guide rail frame through the folding device;
the variable-pitch device comprises a guide rail, a slide block, a connecting rod mechanism and a lead screw driving device, wherein the guide rail comprises a left guide rail, a right guide rail and a middle guide rail which are identical in structure and are respectively fixed on a left guide rail frame, a right guide rail frame and a middle guide rail frame, the slide block in the middle is fixed on the middle guide rail, the other slide blocks can slide on the guide rail, the connecting rod mechanism is fixed on the slide block, and the lead screw driving device drives the slide block to move so as to drive the connecting rod mechanism to move;
the pipeline device comprises a hose, a connector, a spray rod, a spray head and a spray rod fixing clamp, wherein the hose is connected with the spray rod through the connector, the bottom of the spray rod is connected with the spray head, the spray rod is fixed on the sliding block through the spray rod fixing clamp, and when the sliding block slides, the distance between the spray rods is changed along with the movement of the connecting rod mechanism.
2. The variable pitch probe-in target applicator of claim 1, wherein the folding device comprises a folding electric push rod, a rotating shaft, a push rod connector, a push rod fastener, a second pin, and a third pin; the right guide rail frame is hinged with the middle guide rail frame through the rotating shaft, the push rod fixing piece is installed above the right end of the middle guide rail frame, the fixed end of the folding electric push rod is hinged with the push rod fixing piece through the third pin shaft, and the movable end of the folding electric push rod is hinged to the push rod connecting piece on the right guide rail frame through the second pin shaft; the left guide rail frame with pass through between the middle guide rail frame the rotation axis is articulated, the push rod mounting is installed middle guide rail frame left end top, the stiff end of folding electric putter with the push rod mounting by the third round pin axle articulates together, the expansion end by the second round pin axle articulates on the push rod connecting piece on the left guide rail frame.
3. The variable pitch probe-type target applicator of claim 2 wherein the rail is a built-in dual-axis linear rail having a "U" shaped cross section with an axis track; the slider is the gyro wheel slider, and the gyro wheel has "U" type slot, can be with the inside axle center full contact of track.
4. The variable pitch probe-in target applicator of claim 3, wherein the linkage mechanism comprises a link, a seated diamond bearing, a journaled bearing, a bolt shaft, a second stub shaft, a bearing seat, and a shaft mount block;
the tape spool bearing is fixed on the bearing frame, the bearing frame is installed the one end of connecting rod, the tape spool bearing with the cooperation of bolt axle, through another connecting rod of bolt hub connection, can rotate relatively between the connecting rod, constitute a plurality of congruent "V" type structures, the center is fixed tape spool diamond-shaped bearing, tape spool diamond-shaped bearing passes through the second minor axis is fixed on the axle fixed block, the axle fixed block is installed on the slider, all connecting rod centers constitute a straight line.
5. The variable pitch probe-type target applicator of claim 4 wherein said lead screw drive means is disposed on said intermediate rail frame below said intermediate rail and connected to said slide by a slide connection;
the screw rod driving device comprises a motor, a coupler, a bidirectional screw rod, a nut seat and a sliding plate, wherein the motor is connected with the bidirectional screw rod through the coupler, the bidirectional screw rod is provided with the nuts in axial central cross section symmetry, the nut can move left and right on the bidirectional screw rod, the nut seat is arranged on the nut, the slider connecting piece is arranged on the nut seat, the sliding plate is arranged on the bottom surface of the nut seat, and the sliding plate is used for restraining the nut to rotate.
6. The variable pitch probe-in target applicator of claim 5, wherein the fitting comprises an L-fitting, a T-fitting, a cross-fitting; the spraying machine comprises spraying rods, spraying hoses, spraying rods, spraying pipes, a spraying machine, a cross-shaped four-way joint, a spraying hose and the like, wherein the upper ends of the two spraying rods on the outermost side are connected with the L-shaped two-way joint, the spraying rod in the middle is connected with the cross-shaped four-way joint, the other spraying rods are connected with the T.
7. The variable pitch probe-type target applicator of claim 6 wherein two adjacent links are positioned one above the other.
8. The variable pitch probe-in target applicator of claim 7, wherein the slider connectors are connected to 1 st to 3 rd sliders on both sides of the middle fixed slider, respectively;
and/or the folding device further comprises guide rail butt-joint grooves which are arranged at two ends of the middle guide rail frame and used for butt-joint the middle guide rail with the left guide rail and the right guide rail when the guide rail frame is unfolded;
and/or the spray head is a cross spray head.
9. The variable pitch probe-type target applicator of claim 8 further comprising at least one of the following technical features:
the folding device also comprises a thrust roller bearing, and the thrust roller bearing is sleeved on the rotating shaft and is positioned between the left guide rail frame and the middle guide rail frame and between the right guide rail frame and the middle guide rail frame;
the spray rod fixing clamp is arranged between the sliding block and the shaft fixing block;
nuts are sleeved at two ends of the rotating shaft;
the belt shaft bearing is in interference fit with the bolt shaft.
10. The variable pitch probe-in target applicator of claim 9, wherein the lifting electrical pushrod, the folding electrical pushrod, and the motor are connected to an on-board dc power source.
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| CN201920388952.3U CN209914868U (en) | 2019-03-26 | 2019-03-26 | Variable-row-pitch probing type target pesticide applying device |
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| CN201920388952.3U CN209914868U (en) | 2019-03-26 | 2019-03-26 | Variable-row-pitch probing type target pesticide applying device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109874774A (en) * | 2019-03-26 | 2019-06-14 | 江西农业大学 | A kind of change line-spacing exploration type is to target device for administration of drugs |
| CN111264502A (en) * | 2020-03-17 | 2020-06-12 | 陶曙光 | Insect expelling device for forest plant resource protection |
| CN115462357A (en) * | 2022-09-13 | 2022-12-13 | 中国农业大学 | Adaptive width adjustment type intelligent row-aligning pesticide spraying machine and control method thereof |
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2019
- 2019-03-26 CN CN201920388952.3U patent/CN209914868U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109874774A (en) * | 2019-03-26 | 2019-06-14 | 江西农业大学 | A kind of change line-spacing exploration type is to target device for administration of drugs |
| CN109874774B (en) * | 2019-03-26 | 2024-03-22 | 江西农业大学 | Variable row spacing probing type target application device |
| CN111264502A (en) * | 2020-03-17 | 2020-06-12 | 陶曙光 | Insect expelling device for forest plant resource protection |
| CN111264502B (en) * | 2020-03-17 | 2022-01-04 | 陶曙光 | Insect expelling device for forest plant resource protection |
| CN115462357A (en) * | 2022-09-13 | 2022-12-13 | 中国农业大学 | Adaptive width adjustment type intelligent row-aligning pesticide spraying machine and control method thereof |
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