1090results about "Movable spraying apparatus" patented technology

A 48-volt electric sprayer machine including a plurality of blowers, each configured to produce an airflow; a plurality of nebuliser nozzles, each to deliver a nebulised product in the airflow produced by the blowers; an electric pump connected to the nozzles and supplies a flow of product to the nebulisers. Each blower is equipped with an electronic controller, connected to the electric motor and configured to control the actuation of the electric motor. Each nebuliser nozzle is equipped with a control solenoid valve, adapted to control the delivery of product. The pump is equipped with an electronic controller; the controllers of the blowers, the control solenoid valves and the controller of the pump are connected with digital transmission to an electronic control unit to control the independent actuation of each thereof, as a function of the conditions of use of the sprayer machine.

Disclosed is arotary sprinkler head and a spraying device including the same. The rotary sprinkler head has a shell-shaped main body, a rotating body, and a limiting member. The interior of the main body forms a chamber which accommodates the rotating body and is delimited by the limiting member. A water outlet passage is connected to the chamber through one end of the main body. The rotating body features an abutting segment, and a flow guiding passage extends through the abutting segment to connect with the water outlet passage. This flow guiding passage is obliquely oriented relative to the axis of the chamber, thereby allowing the water to enter a second space, then divide into flows through a first space and the flow guiding passage, causing the rotating body to rotate about its own axis and perform a vortex-like circular motion.

The invention discloses a balance-double-rotation-field spray gun, and belongs to the technical field of agricultural water-saving irrigation. The spray gun comprises an outer barrel, a central water supply pipe, a driving rotating shaft, a planetary reducing mechanism, a high-speed backflushing driving arm and a low-speed spraying arm. A fixed inner gear ring is arranged in the outer cylinder body; the central water supply pipe is axially arranged; the driving rotating shaft is rotatably arranged outside the central water supply pipe in a sleeving manner; the input end of the planetary reduction mechanism is in driving connection with the lower end of the driving rotating shaft; the high-speed backflushing driving arm is fixed at the upper end of the driving rotating shaft, is internally provided with a first water distribution cavity communicated with the central water supply pipe, and is provided with at least one pair of driving nozzles capable of spraying reversely; and the low-speed spraying arm is rotatably mounted at the upper end of the central water supply pipe and is in driving connection with the output end of the planetary reducing mechanism. During working, the driving nozzle sprays water flow to generate counter-acting force, the high-speed backflushing driving arm and the driving rotating shaft are driven to rotate at a high speed, and the rotation drives the low-speed spraying arm to rotate at a low speed after being subjected to speed reduction and torque increase through the planetary speed reduction mechanism, so that a differential synergistic double-rotation irrigation field is formed. Unification of long range, high uniformity, self-driving, excellent atomization, high sealing, strong stability and moderate flow is realized.

The purpose of the present invention is to provide a hopper for washing a coating machine, the hopper being capable of reliably separating air from other components in waste paint and discharging only the air without leakage of waste liquid to the outside. A hopper 21 for washing a coating machine according to the present invention includes a cylindrical body 46 that has an opening 46c at an upper end thereof and an upper lid 24 that covers the opening 46c. The upper lid 24 has an insertion hole 22 through which a rotary atomizing head 30 that is rotatably provided in a coating machine 4 can be inserted into the cylindrical body 46. The hopper 21 further includes a tank-like member 23 outside the cylindrical body 46. The tank-like member 23 has: a cylindrical outer wall portion 41 in which an exhaust hole 43 is formed at an upper section thereof; and a bottom portion 42 an inner surface of which is curved inward. A baffle plate 44 for restricting crawling up of waste paint ejected from the rotary atomizing head 30 is made to protrude from a lower inner surface of the outer wall portion 41 all around the inner surface. Selected drawing: FIG. 2

The utility model discloses a pier maintenance spraying device for bridge construction, and relates to the technical field of pier maintenance. The spraying device comprises a supporting assembly, a lifting assembly is arranged at the top of the supporting assembly, a spraying assembly is arranged at the lifting end of the lifting assembly, a rotating assembly is arranged on the lower side of the spraying assembly, and the rotating assembly is in power connection with the spraying assembly. The spraying assembly moves up and down on the outer side of the bridge pier through the lifting assembly, the spraying assembly moves circumferentially along the bridge pier through the rotating assembly, and the spraying assembly rotates around the bridge pier by a circle every time the spraying assembly ascends and descends by a certain height; therefore, only one spraying assembly needs to be installed on the lifting assembly, comprehensive spraying maintenance can be conducted on the outer surface of the bridge pier, and therefore the spraying assembly can be installed on the lifting assembly conveniently; and meanwhile, a water storage tank, a rotating frame and a water pumping pipe are arranged, so that a pipeline for transporting the water source cannot be wound.

The invention relates to an automatic full-coverage water spraying rack for vertical spraying of a battery pack, and relates to the technical field of battery pack testing equipment.The automatic full-coverage water spraying rack comprises a spraying frame, a sliding frame capable of moving up and down is arranged on the spraying frame, a moving table capable of moving horizontally is arranged on the sliding frame, and a spraying nozzle is fixed to the moving table; the sliding frame is provided with a translation mechanism for driving the moving table to move horizontally, the spraying frame is provided with a lifting mechanism for driving the sliding frame to move up and down, the two ends of the sliding frame are each provided with a reversing touch switch for controlling the translation mechanism to switch forwards and backwards, and the moving table makes contact with the reversing touch switches when moving to the end of the sliding frame. Through the structural arrangement, the spraying nozzles can move on one plane, uniform spraying operation on the whole surface of the battery pack can be completed within a certain time, and the spraying detection effect is provided.

The primary objective of the present invention was to develop a fully functional tank cleaning head that can be inserted into a container opening of only 100 mm. The entire outer contour must therefore lie within a circle with a diameter of 100 mm. Furthermore, to enable the tank cleaning head to be automatically extended and retracted, the connecting shaft must be located at the center of this circle. This is achieved through the use of a first bevel gear with a crown gear and a spur gear mounted on the rotor shaft, with the crown gear running around the connecting shaft. A reduction gear for transmitting the rotor rotation to the housing is achieved, among other things, via a planetary gear set, thus enabling a slim and space-saving, yet highly efficient design due to low friction.

The utility model discloses unmanned aerial vehicle part coating equipment with an adjustable nozzle structure, relates to the technical field of nozzles, and aims to solve the technical problems that the atomization granularity is inconvenient to adjust and the processing efficiency and the quality of finished products are easily influenced in the current nozzle structure, and the unmanned aerial vehicle part coating equipment comprises a nozzle head, a rotary nozzle mechanism, a rotating mechanism and an adjusting mechanism, the number of the nozzle heads is two, the two nozzle heads are installed at the two ends of the assembly frame correspondingly, the outer sides of the nozzle heads are sleeved with positioning rings, the two sides of the upper ends of the nozzle heads are both provided with feeding pipes in a penetrating mode, the rotating mechanisms are rotatably installed at the upper ends of the interiors of the nozzle heads, and the adjusting mechanisms are installed at the lower ends of the interiors of the nozzle heads. The adjusting mechanism and the rotating mechanism are connected through a linkage mechanism, the rotary nozzle mechanism is installed at the lower end of the nozzle head in a threaded mode, and the rotary nozzle mechanism is composed of an assembling nozzle and an inner cone. The utility model has the advantages that the size of atomized particles can be conveniently adjusted, and the processing efficiency and quality are ensured.

This utility model discloses a coal mine fireproof grouting device. The device includes a grouting nozzle, one end of which is detachably and fixedly connected to a connector. A rotating ring is rotatably connected to the inner wall of the connector. A communicating cavity is formed on one side of the rotating ring. A connecting pipe, one end of which communicates with the communicating cavity, is provided on the side wall of the connector. Multiple cleaning nozzles, communicating with the communicating cavity, are installed at the bottom end of the rotating ring. A driving assembly is provided at one end of the connector. A conveying pipe is fixed to the inner wall of the connector. A valve for controlling grouting is provided on the conveying pipe. The other end of the conveying pipe is connected to an external grout supply mechanism. A protective assembly is provided at one end of the nozzle nozzle. This utility model, by incorporating a rotating ring, a communicating cavity, and a driving assembly, allows the rotating ring to rotate during cleaning of the grouting nozzle, causing multiple cleaning nozzles to rotate within the nozzle for thorough cleaning. This results in good cleaning effect and high efficiency.

The invention relates to a road sound insulation board for traffic engineering, and belongs to the technical field of road sound insulation boards, the road sound insulation board comprises a mounting base, a sound insulation board body is detachably connected to the top of the mounting base, silencing holes are formed in the surface of the sound insulation board body, and a water storage cavity is formed in the sound insulation board body. According to the green plant pot and the first spraying pipe, when sound insulation operation is conducted on a road through the road sound insulation board, in order to improve the multifunctionality of the sound insulation board in daily use and achieve the multiple noise reduction effect on road noise, a planting rod is turned over to be in a horizontal state, and the green plant pot is placed outside the planting rod; a first spraying pipe is opened to spray green plants, meanwhile, a control valve outside a connecting pipe is opened, a municipal water source is conveyed into a water storage cavity under the formation of a circulating opening, a sound insulation means is added in a sound insulation plate, and multiple noise reduction operation is performed on noise under the sound insulation condition of the sound insulation plate; and the aesthetic effect of the sound insulation plate in daily use is increased.

The invention belongs to the technical field of mariculture net cages, and discloses a high-pressure-water-driven netting cleaning robot net attaching cleaning mechanism which comprises a high-pressure water connector and a water inlet and further comprises a transmission main shaft, a propeller and a cleaning disc structure, and a cavitation jet cleaning structure is fixedly connected into the cleaning disc structure. Through the cooperation of the high-pressure water connector, the transmission main shaft, the sliding bearing and other structures, an efficient and stable high-pressure water transmission system is constructed, through the dynamic sealing structure and design formed by the sliding bearing, the sealing ring and the check ring, high-pressure water is transmitted to the transmission main shaft in a leakage-free mode on the premise that dynamic sealing is guaranteed, and the transmission efficiency is improved. And the water is conveyed to the cleaning disc structure through the hollow cylindrical structure, and then high-energy-density water jet is formed through the cavitation jet cleaning structure, so that concentrated release of water flow energy is guaranteed, the jet can penetrate through netting fiber gaps, various stubborn attached organisms are effectively stripped, and the cleaning effect is improved.

The utility model provides an anti-clogging exhaust gas flow dust remover nozzle, which relates to the technical field of dust removers, and comprises an installation barrel, the lower end of the installation barrel is rotatably connected with a spray head, the interior of the installation barrel is fixedly provided with a clogging cleaning assembly, and the clogging cleaning assembly comprises a telescopic cylinder body, a clogging cleaning piston, a piston ejector rod and a rotating assembly. The rotating assembly comprises an I-shaped ring and a supporting ring rotationally connected to the I-shaped ring, a plurality of guide rods are fixed to the outer wall of the supporting ring, a plurality of spiral grooves formed at equal intervals are formed in the inner wall of the mounting barrel, the guide rods slidably abut against the interiors of the spiral grooves, and a guide beam is fixed to the upper side of the spray head. The supporting ring is slidably arranged on the guide beam in a sleeving mode, and a plurality of communicating holes are formed in the upper end of the side wall of the telescopic cylinder body. When the spray head is blocked, water pressure in the mounting cylinder can push the piston ejector rod to move downwards to push hardened dust blocked in the spray head out, and the anti-blocking purpose is achieved.

The utility model relates to the technical field of spray heads, in particular to a spray head for spraying a special-shaped pipeline, which comprises an air motor and a driving shaft in the air motor, the driving shaft is of a hollow structure, a conveying pipe is arranged in the driving shaft in a penetrating manner, a conical head is arranged at one end of the conveying pipe, a plurality of groups of first micro holes are arranged outside the conical head, and a plurality of groups of second micro holes are arranged outside the conical head. A conical cover is detachably connected to the outer portion of the driving shaft, a plurality of sets of second micro holes are formed in the outer portion of the conical cover, the conical cover is made to rotate at a high speed through a controllable high-speed rotating air motor, uniform atomization of paint is facilitated, in addition, accurate second micro hole machining and design are carried out on the conical cover, and the machining efficiency is improved. The spraying effect is more uniform and attractive; paint is conveyed through the driving shaft, the conical cover is of a sealed structure, and the problem of paint leakage of the open conical cover is solved. According to the utility model, secondary atomization is carried out on high-viscosity paint by adopting air-assisted atomization, so that the uniformity and the appearance state of a final paint film are greatly improved.

A locking mechanism for a rotatable shaft can include a locking pin comprising a locking pin shaft side and locking pin spindle side, a compressed air supply port in fluid communication with a compressed air supply, and a spring, wherein the spring is configured to place the locking pin spindle side in direct mechanical communication with the compressed air supply port when the compressed air supply is not activated.

The invention relates to spraying equipment for a dealdehyding alcohol disinfectant and a using method thereof, and belongs to a disinfectant spraying technology, a containing pot body and a pot cover are in threaded connection, a handle is arranged at the top of the pot cover, taking, disassembling and assembling are convenient, alcohol adding is convenient, an air inlet connector and a liquid outlet connector are installed at the top of the containing pot body and are connected with a micro pressure pump and a spraying pipe respectively, and the spraying pipe is connected with the containing pot body. Alcohol can be sprayed out from the spraying pipe by controlling the micro pressure pump, one end of the spraying pipe is connected with the positioning installation base, a handle is installed on the spraying pipe, handheld operation is facilitated, the positioning installation base is provided with the rotating following cylinder and the spraying long rod, the extending driving assembly and the positioning liquid storage part are installed on the spraying long rod, transverse moving spraying can be achieved, and the positioning liquid storage part can rotate. The rotating liquid storage parts are arranged at the two ends of the positioning liquid storage part, the angles of the rotating liquid storage parts can be flexibly changed through the angle adjusting assemblies, the spraying requirements in different directions are met, the adjustable spraying heads and the positioning spraying heads are installed on the positioning liquid storage part and the rotating liquid storage parts correspondingly, and the spraying accuracy and comprehensiveness are greatly improved.

Machine for treating objects in the field of healthcare, i.e. in a hospital, medical, pharmaceutical context or the like, comprising a treatment chamber, adapted to contain the objects to be treated and a feed circuit of a least one treatment fluid which is fluidically associated with a source of the aforesaid treatment fluid and with a plurality of delivery nozzles arranged in the treatment chamber.

The invention discloses a nozzle jet flow module and a three-dimensional rotary nozzle, the nozzle jet flow module comprises a mounting seat, two nozzles and a pressing block, and the mounting seat is connected with a main shaft; the two sprayers are connected with the mounting seat in a sealing manner and can rotate relative to the mounting seat, the two sprayers are symmetrically arranged around the center of the main shaft, and bosses are arranged on the side walls of the two sprayers; the pressing block is suitable for abutting against the sides, away from the mounting base, of the two bosses so as to lock the two sprayers. The jet flow module is simple in structure, speed regulation is convenient, speed regulation does not depend on the electromagnetic principle, and the design and use cost of the three-dimensional rotating nozzle can be effectively reduced.

Provided is a particulate matter dispersing device capable of suppressing leakage of particulate matter from a rotating body.　A particulate matter dispersing device (1) comprises a rotating body (6) including a cylindrical portion (6a) supported by a supporting portion (5) so as to be capable of rotating about a rotational axis (C1) extending in a horizontal direction, and dispersion holes (6b) penetrating through the cylindrical portion in a hole-forming region (R1) in a portion, in an axial direction along the rotational axis (C1), of the cylindrical portion (6a), and a particulate matter introduction member (7) which includes an accommodating portion (7a) having an accommodating space (SP) for accommodating particulate matter, and an opening portion (7b) provided in a lower end portion of the accommodating portion (7a) to introduce the particulate matter into the cylindrical portion (6a), and which is attached to the supporting portion (5) such that the opening portion (7b) is disposed inside the cylindrical portion (6a), wherein an edge portion of the opening portion (7b) of the accommodating portion (7a) is in slidable contact with a region of an inner circumferential surface of the cylindrical portion (6a) lower than the rotational axis (C1), in a state covering the entire hole-forming region (R1) in the axial direction so as to confine the particulate matter between the edge portion and the cylindrical portion (6a).

The invention relates to the technical field of greening irrigation, and discloses a water-saving irrigation device for landscaping construction, which comprises two parallel bottom plates, a roof fixed by the two bottom plates through bolts, movable bases arranged at the tops of the two bottom plates, and a concave telescopic frame, the two movable bases move in the length direction of the two bottom plates through walking assemblies. First motors are fixedly arranged on the two movable bases, the two ends of the concave telescopic frame are rotationally connected to the movable bases, and the rotating ends of the first motors are connected with the rotating center of the concave telescopic frame. And a main pipeline is arranged at the top of the concave telescopic frame. A first motor drives a concave telescopic frame to rotate integrally, so that an included angle is formed between the spraying direction of a nozzle and the wind direction, transverse interference of X-axis wind power is counteracted, the multiple concave rotating frames are synchronously adjusted through an angle control assembly, the pitching angle of the nozzle is changed, longitudinal deviation of Y-axis wind power is restrained, and wind-induced spraying track deviation is corrected. It is ensured that irrigation liquid accurately covers a target area, and drifting loss is reduced.

The invention relates to the technical field of electrostatic mist sprayers, and discloses an orchard electrostatic mist sprayer three-dimensional spraying device based on distance self-adaption, the orchard electrostatic mist sprayer three-dimensional spraying device comprises an electrostatic mist sprayer, a nozzle and a torque limiter, one side of the electrostatic mist sprayer is provided with an expansion assembly, and one side of the electrostatic mist sprayer is provided with an adjusting assembly; the expansion assembly comprises a fixing bin, a two-way lead screw is rotationally embedded in the fixing bin, the two-way lead screw is connected with two sets of threaded blocks through a ball nut pair, one sides of the outer surfaces of the two sets of threaded blocks are fixedly connected with connecting rods, and one sides of the outer surfaces of the two sets of connecting rods are fixedly connected with baffles. The invention aims to solve the problems that when an existing orchard electrostatic mist sprayer works in a close-planting and closed crop environment, most nozzles directly spray mist to canopies, an active dredging mechanism for branches and leaves is lacked, dense fruit and vegetable branches and leaves can directly shield a mist droplet transmission path, and consequently mist droplets are difficult to penetrate into the canopies.

The present invention is provided with: a bell cup (11) having a rotating axis (CL) such that a coating pattern of a coating material sprayed from the bell cup has a truncated cone shape; a first annular slit-shaped air outlet (23) that is provided concentrically with the rotating axis and blows out inner shaping air (Sin) from a rear of the bell cup; and a second annular slit-shaped air outlet (24) that is concentric with the rotating axis and has a larger diameter than the first air outlet and that blows outer shaping air (Sout) from the rear of the bell cup.

A repair device for repairing an inner surface of a hollow cylindrical object comprises a drive unit having a movement mechanism for moving the entire drive unit in an axial direction in the pipe, an abrasive unit comprising an abrasive tool for cleaning the inner surface, a positioning device for adjusting the position of the abrasive tool so that the abrasive tool abuts against the inner surface, and a coating unit for applying a coating to the inner surface cleaned by the abrasive tool. The drive unit comprises a rotary drive. The abrasive unit is supported and carried by the drive unit for operation and is at least partially operable by the rotary drive. The coating unit is supported and carried by the drive unit for operation. The abrasive unit and the coating unit are selectively engageable with the drive unit for operation.

This invention discloses a sand-fixing slurry spraying device for sand remediation, comprising a vehicle body with a solution tank and an equipment box fixedly connected to it; a first spraying component includes a first adjusting plate with several adjustable spraying mechanisms, each with several first nozzles; the first adjusting plate is rotatably mounted on the equipment box; the adjustable spraying mechanisms are connected to a first liquid pump; a first adjusting mechanism is provided between the first adjusting plate and the equipment box; a second spraying component includes a second adjusting plate with several half-width rotary spraying mechanisms, each with several second nozzles; the half-width rotary spraying mechanisms are connected to a second liquid pump; a second adjusting mechanism is provided between the second adjusting plate and the equipment box; a controller is fixedly connected to a mounting mechanism. This invention can adjust the spraying height and range of the first and second nozzles, is applicable to different terrains, and offers diverse nozzle layouts, resulting in higher efficiency in sand-fixing slurry spraying.

The application discloses a tape production system with a quick cutting device for a line type adhesive tape cylinder, and relates to the technical field of tape production. The application discloses a tape production system with a quick cutting device for a line type adhesive tape cylinder, and relates to the technical field of tape production. When the tape is produced, the base tape is sent out through the unwinding mechanism, is printed through the printing mechanism, and is fully coated with adhesive on the side surface in the inside of the gluing mechanism. Then, the adhesive is scraped flat through the scraping mechanism, the processing quality of the tape is improved, the tape is sent into the drying mechanism, the tape is dried, is wound by the winding mechanism, and is cut by the wire cutting machine. Through the arrangement of the plurality of cutting lines, the tape can be cut in multiple sections at the same time, and the production efficiency of the tape is improved.

The invention relates to the technical field of external window water tightness testing, in particular to an external window water tightness testing method and an external window water tightness testing device. The external window water tightness testing method comprises the steps that S1, a hanging mechanism is installed on a fixing mechanism, a water conveying pipe of a sprayer is detachably and movably connected to the fixing mechanism, and the water conveying pipe of the sprayer is detachably connected to the upper portion of the hanging mechanism; s2, hanging a hanging mechanism at the top of a windowsill wall above the outer window to be detected, and enabling a spray head of a sprayer to face the outer side part of the outer window to be detected; s3, a water conveying pipe is communicated with a water supply device, then the water supply device is turned on, and a spraying head sprays water to the outer side of the to-be-detected outer window; s4, after preset time, the water supply device is closed, and then the water seepage condition of the inner side of the outer window to be detected is checked. The water tightness test result of the outer window water tightness test method is more accurate.

The utility model belongs to the technical field of agricultural plant protection, and particularly relates to a two-phase flow sprayer which comprises a walking vehicle body, a pesticide box, an air compression pump, a liquid pump and a reel pipe mechanism are mounted on the walking vehicle body, a lifting mechanism is mounted at the front end of the walking vehicle body, and a spraying mechanism is clamped on the lifting mechanism. A two-phase flow spray head is rotationally arranged above the spraying mechanism, the liquid outlet end of the liquid pump is led out through the pipe reeling mechanism through a liquid supply pipe and is in butt joint with the two-phase flow spray head, and the air compression pump is led out through the pipe reeling mechanism through an air pressure adjusting valve and an air pipe and is in butt joint with the two-phase flow spray head. According to the spraying mechanism, the auxiliary walking wheels are driven by the stepless motor to walk on the track; a gas-liquid two-phase pipeline is led out through rotation and pulling of the pipe coiling mechanism to be in butt joint with the two-phase flow spray head to achieve spraying of pesticide mist; two-phase flow spraying operation of human and pesticide separation can be achieved, the motor is used for driving the two-phase flow spray head to swing and adjust the angle, and spraying uniformity is facilitated; and a worker can conveniently use the equipment to apply pesticide and fertilizer.

The utility model discloses a microbial agent spraying device and belongs to the technical field of spraying devices. A microbial agent spraying device comprises a movable base, a stirring tank is fixedly connected to the top end of the movable base, a feeding port is formed in the edge of the top of the stirring tank, a stirring shaft is rotationally connected to the middle of the top end of the stirring tank, and a swing assembly is connected between the top end of the stirring shaft and the stirring tank; a water pump fixedly connected to the top end of the movable base is arranged on one side of the stirring tank. According to the microbial agent spraying device, when the microbial agent spraying device is used, through the arrangement of the swing assembly, the motor can be started, the transmission disc is driven to rotate, and the design of the transmission column and the transmission channel is matched, so that the inverted-L-shaped moving frame swings left and right back and forth, and the toothed plate performs back-and-forth transmission on the gear; therefore, the stirring shaft rotates forwards and backwards in a reciprocating manner, and meanwhile, the two spray heads rotate leftwards and rightwards in a reciprocating manner, so that the purpose of uniformly spraying a microbial agent is achieved.

The soil conditioner spraying device comprises a vehicle body, a spray head, a lifting mechanism, a mounting plate, a guide cylinder, a sliding rod, an elastic piece, a driving gear, a driven gear, a first connecting rod, a second connecting rod, an upper limiting rod and a lower limiting rod. A lifting mechanism drives a spray head and a mounting plate to do reciprocating lifting motion, in the lifting process of the spray head and the mounting plate, the spray head inclines upwards and sprays a modifier solution to the back faces of crop leaves, when a second connecting rod makes contact with an upper limiting rod, the spray head changes the direction and inclines downwards, and the spray head and the mounting plate descend; when the second connecting rod is in contact with the lower limiting rod, the direction of the spray head is changed again, the spray head and the mounting plate are lifted again, and the process is circulated in sequence and matched with the movement of the vehicle body to spray the modifier solution to the front surfaces and the back surfaces of all the crop leaves, so that the absorption effect of the crops on the modifier is improved; the crop yield is improved.

A high pressure nozzle, including a longitudinal housing, with an internal channel therein, a nozzle head support shaft, which is rotatably arranged partially in the internal channel, a rotary nozzle head, which is attached to the nozzle head support shaft and arranged outside the housing, and an axial bearing seat, which is located within the housing and which comprises an axial bearing surface that faces an end surface of the nozzle head support shaft. The axial bearing surface and the support shaft end surface, during use, cooperate to form an axial bearing for the nozzle head support shaft and the axial bearing seat includes an axial bore in the axial bearing surface that is aligned concentrically with an axis of rotation of the nozzle.