CN111296242B

CN111296242B - Nursery irrigation vehicle

Info

Publication number: CN111296242B
Application number: CN202010142743.8A
Authority: CN
Inventors: 王国清; 王幼民; 龚逸凡; 李军; 张晖; 李向利; 段维维; 李昕健; 朱兆哲
Original assignee: Anhui Polytechnic University
Current assignee: Anhui Polytechnic University
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2022-02-01
Anticipated expiration: 2040-03-04
Also published as: CN111296242A

Abstract

The invention relates to the field of nursery irrigation equipment, in particular to a nursery irrigation vehicle which comprises a chassis, a water tank, a pressure pump, a flow regulating valve, a one-way valve, a motor, a transmission mechanism, a lifting assembly, a swinging mechanism and two groups of atomizing nozzles, wherein four wheels for walking are arranged below two ends of the chassis, the water tank, the pressure pump, the flow regulating valve, the one-way valve and the two groups of atomizing nozzles are sequentially connected through a hose, and the swinging mechanism and the four wheels are all connected with the motor through the transmission mechanism. The working efficiency is improved.

Description

Nursery irrigation vehicle

Technical Field

The invention relates to the field of nursery irrigation equipment, in particular to a nursery irrigation vehicle.

Background

The germination of seedlings must keep soil moist, the requirement for moisture is strict, and if the timely supply of moisture cannot be guaranteed, the seedlings stop growing. The current irrigation methods mainly comprise: firstly, furrow irrigation, water is introduced into a footpath or a furrow from an irrigation channel, and the water permeates into a seedbed or a seedridge from the side. The disadvantages are large water consumption, and uneven water seepage in the center and two sides when the bed surface is too wide. Secondly, large-scale mechanized sprinkling irrigation is carried out through manual or automatic control by pipelines and water spraying devices. The method has the defects of large investment, more wind limitation and uneven sprinkling irrigation under 3-4 levels of wind power.

Disclosure of Invention

The invention aims to provide a nursery garden irrigation vehicle.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a nursery irrigation vehicle, which comprises a base, the water tank, the force (forcing) pump, the flow regulating valve, the check valve, including a motor, an end cap, a controller, and a cover plate, drive mechanism, lifting unit, swing mechanism and two sets of atomizing nozzle, the both ends below on chassis is provided with four wheels that are used for the walking, lifting unit sets up in chassis front end top, water tank and motor set up in the rear end top on chassis, force (forcing) pump and flow regulating valve set up in the middle-end top on chassis, two sets of atomizing nozzle set up in lifting unit's top and the two is the symmetry setting, swing mechanism sets up in lifting unit's top and is located between two sets of atomizing nozzle, the water tank, the force (forcing) pump, the flow regulating valve, loop through hose connection between check valve and the two sets of atomizing nozzle, swing mechanism and four wheels all link to each other with the motor through drive mechanism.

As a preferred scheme of the nursery garden irrigation vehicle, a transmission mechanism comprises a main transmission shaft and a secondary transmission shaft, wherein vertical and upward extending vertical plates are fixedly arranged at the front end and the rear end of a chassis, the main transmission shaft is horizontally arranged above the chassis, two ends of the main transmission shaft respectively penetrate through the two vertical plates outwards and are respectively connected with a first bevel gear, two ends of the main transmission shaft are respectively connected with the two vertical plates in a shaft way, four wheels are respectively arranged at the front end and the rear end of the chassis in a pairwise way, two wheels of each group are respectively connected through a wheel shaft, a second bevel gear is fixedly sleeved in the middle of the wheel shaft, the two first bevel gears are respectively meshed with the two second bevel gears, a motor is connected with the main transmission gear in a transmission way, the secondary transmission shaft is vertically arranged above the chassis and is positioned under a swing mechanism, the secondary transmission shaft is of a telescopic structure, and the upper end of the secondary transmission shaft is connected with the swing mechanism, the lower end is connected with the main transmission shaft.

As an optimal scheme of the nursery irrigation vehicle, a first straight gear is fixedly connected to the output end of a motor, a second straight gear meshed with the first straight gear is fixedly arranged on a main transmission shaft, the lower end of a secondary transmission shaft is connected with a chassis through an inverted U-shaped support, the inverted U-shaped support is fixedly connected with the chassis, the main transmission shaft penetrates through the inverted U-shaped support, the lower end of the secondary transmission shaft is in shaft connection with the inverted U-shaped support, the lower end of the secondary transmission shaft penetrates through the inverted U-shaped support downwards and is fixedly connected with a first transmission bevel gear, and a second transmission bevel gear meshed with the first transmission bevel gear is fixedly arranged on the main transmission shaft.

As a preferred scheme of the nursery irrigation vehicle, the lifting assembly comprises a three-level transmission shaft and two groups of symmetrically arranged rotating mechanisms, the two groups of rotating mechanisms are respectively positioned under two groups of atomizing nozzles, each group of rotating mechanisms comprises a supporting box, an internal thread sleeve, a lead screw, a driving bevel gear and a driven bevel gear, the three-level transmission shaft horizontally traverses the two supporting boxes, two ends of the three-level transmission shaft are in shaft connection with the side walls of the two supporting boxes, the internal thread sleeve is in vertical state in shaft connection with the top of the supporting box, the lower end of the internal thread sleeve downwards extends out of the supporting box, the driven bevel gear is fixedly arranged at the bottom of the internal thread sleeve, the lead screw is arranged in the internal thread sleeve in vertical state, the two driving bevel gears are respectively arranged at two ends of the three-level transmission shaft, the two driving bevel gears are respectively meshed with the two driven bevel gears, one end of the three-level transmission shaft is fixedly connected with a manual handle, the top of two lead screws is connected with a bar backup pad that is used for bearing swing mechanism and two sets of atomizer jointly, and two sets of atomizing nozzle symmetry set up in the both ends top of bar backup pad to atomizing nozzle's bottom and bar backup pad coupling.

As a preferred scheme of the nursery irrigation vehicle, the swing mechanism comprises a rectangular sliding plate, a central gear, two auxiliary gears, two half-tooth gears and two swing rods, the upper end of a secondary transmission shaft upwards penetrates through a strip-shaped supporting plate and is fixedly connected with the central gear, the rectangular sliding plate is arranged on the top of the central gear in an attaching mode, a strip-shaped chute is formed in the middle of the rectangular sliding plate, the length direction of the strip-shaped chute is perpendicular to the length direction of the strip-shaped supporting plate, a limiting shaft vertically upwards penetrates through the strip-shaped chute is fixedly arranged on the top of the central gear, the two auxiliary gears are respectively arranged on two sides of the central gear, the central gear is meshed with the two auxiliary gears, the two half-tooth gears are respectively and coaxially arranged on the tops of the two auxiliary gears, racks for meshing with the half-tooth gears are respectively arranged on two sides of the rectangular sliding plate, and the two swing rods are symmetrically arranged on the tops of the rectangular sliding plate, and both ends of each swinging rod are connected with the rectangular sliding plate and the corresponding atomizing nozzle.

As an optimal scheme of nursery irrigation vehicle, the both ends of swinging arms are provided with first connecting seat and second connecting seat respectively, and first connecting seat is fixed to be set up in one side of atomizing nozzle, and the tip and the first connecting seat fixed connection of swinging arms, the bottom of second connecting seat are provided with a vertical decurrent pivot, offer the shaft hole that is used for supplying the pivot to connect on the rectangle slide, and the swinging arms is telescopic structure, the tip and the second connecting seat fixed connection of swinging arms.

The invention has the beneficial effects that: the water in the water tank passes through force (forcing) pump increase water pressure, through flow regulating valve regulated flow, through check valve prevent backward flow, through hose flow direction atomizing nozzle, realize nozzle altitude mixture control through lifting unit, realize the swing back and forth of both sides atomizing nozzle through swing mechanism to increased the water spray area, this nursery watering lorry easy operation can solve the problem of watering in large tracts of land nursery, has improved work efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an enlarged schematic view of a point a in fig. 1.

Fig. 3 is a schematic perspective view of the present invention.

Fig. 4 is a schematic perspective view of the present invention.

Fig. 5 is an enlarged schematic view of B in fig. 4.

Fig. 6 is a schematic perspective view of the swing mechanism and the atomizing nozzle.

Fig. 7 is a front view of fig. 6.

Fig. 8 is a partially exploded perspective view of fig. 6.

In the figure: 1-a chassis; 2-a water tank; 3-a pressure pump; 4-a flow regulating valve; 5-a one-way valve; 6, a motor; 7-a swing mechanism; 8-an atomizing nozzle; 9-a hose; 10-a main transmission shaft; 11-a secondary drive shaft; 12-a riser; 13-a first bevel gear; 14-an axle; 15-a second bevel gear; 16-a first straight gear; 17-a second spur gear; 18-inverted U-shaped bracket; 19-a first transmission bevel gear; 20-a second drive bevel gear; 21-a support box; 22-an internally threaded sleeve; 23-a lead screw; 24-a drive bevel gear; 25-driven bevel gear; 26-a manual crank; 27-a strip support plate; 28-rectangular sliding plate; 29-sun gear; 30-pinion gear; 31-half tooth gear; 32-a swing lever; 33-strip-shaped chutes; 34-a limiting shaft; 35-a rack; 36-a first connection seat; 37-a second connection seat; 38-a rotating shaft; 39-axle hole; 40-a wheel; 41-three-stage transmission shaft.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, the nursery garden irrigation vehicle comprises a chassis 1, a water tank 2, a booster pump 3, a flow regulating valve 4, a one-way valve 5 and a motor 6, drive mechanism, lifting unit, swing mechanism 7 and two sets of atomizing nozzle 8, chassis 1's both ends below is provided with four wheels 40 that are used for the walking, lifting unit sets up in chassis 1 front end top, water tank 2 and motor 6 set up in chassis 1's rear end top, force (forcing) pump 3 and flow regulating valve 4 set up in chassis 1's middle-end top, two sets of atomizing nozzle 8 set up in lifting unit's top and the two is the symmetry setting, swing mechanism 7 sets up in lifting unit's top and is located between two sets of atomizing nozzle 8, water tank 2, force (forcing) pump 3, flow regulating valve 4, loop through hose 9 connection between check valve 5 and the two sets of atomizing nozzle 8, swing mechanism 7 and four wheels 40 all link to each other with motor 6 through drive mechanism. The water in the water tank 2 passes through the booster pump 3 increase water pressure, adjust flow through the flow regulating valve 4, prevent the backward flow through check valve 5, flow to atomizing nozzle 8 through hose 9, motor 6 drives four wheels 40 through drive mechanism and rotates, thereby it advances or retreats to drive the irrigation vehicle, drive the action of swing mechanism 7 through transport mechanism simultaneously, drive two sets of 8 reciprocal swings of atomizing nozzle through swing mechanism 7, adjust the height of atomizing nozzle 8 on chassis 1 through lifting unit.

The transmission mechanism comprises a main transmission shaft 10 and a secondary transmission shaft 11, wherein vertical plates 12 extending vertically and upwards are fixedly arranged at the front end and the rear end of the chassis 1, the main transmission shaft 10 is horizontally arranged above the chassis 1, two ends of the main transmission shaft 10 respectively penetrate through the two vertical plates 12 outwards and are respectively connected with a first bevel gear 13, two ends of the main transmission shaft 10 are respectively coupled with the two vertical plates 12, four wheels 40 are respectively arranged at the front end and the rear end of the chassis 1 in a pairwise manner, the two wheels 40 of each group are connected through a wheel shaft 14, a second bevel gear 15 is fixedly sleeved in the middle of the wheel shaft 14, the two first bevel gears 13 are respectively meshed with the two second bevel gears 15, the motor 6 is in transmission connection with the main transmission gear, the secondary transmission shaft 11 is vertically arranged above the chassis 1 and is positioned under the swinging mechanism 7, and the secondary transmission shaft 11 is of a telescopic structure, the upper end of the secondary transmission shaft 11 is connected with the swing mechanism 7, and the lower end is connected with the main transmission shaft 10. When the main transmission shaft 10 rotates, the first bevel gears 13 at the two ends are driven to rotate, so that the second bevel gears 15 meshed with the first bevel gears 13 are driven to rotate through the first bevel gears 13, and the wheels 40 at the two ends are driven to rotate through the wheel shafts 14, so that the irrigation vehicle is driven to move forwards and backwards.

A first straight gear 16 is fixedly connected to the output end of the motor 6, a second straight gear 17 meshed with the first straight gear 16 is fixedly arranged on the main transmission shaft 10, the lower end of the secondary transmission shaft 11 is connected with the chassis 1 through an inverted U-shaped support 18, the inverted U-shaped support 18 is fixedly connected with the chassis 1, the main transmission shaft 10 penetrates through the inverted U-shaped support 18, the lower end of the secondary transmission shaft 11 is in shaft connection with the inverted U-shaped support 18, the lower end of the secondary transmission shaft 11 downwards penetrates through the inverted U-shaped support 18 and is fixedly connected with a first transmission bevel gear 19, and a second transmission bevel gear 20 meshed with the first transmission bevel gear 19 is fixedly arranged on the main transmission shaft 10. The motor 6 drives the first spur gear 16 to drive the second spur gear 17 to rotate, so as to drive the main transmission shaft 10 to rotate, the main rotation shaft drives the secondary transmission shaft 11 to rotate by matching the second transmission bevel gear 20 with the first transmission bevel gear 19, so as to drive the swing mechanism 7, and the main transmission shaft 10 rotates to drive the wheels 40.

The lifting assembly comprises a three-stage transmission shaft 41 and two groups of rotating mechanisms which are symmetrically arranged, the two groups of rotating mechanisms are respectively positioned right below the two groups of atomizing nozzles, each group of rotating mechanisms comprises a supporting box 21, an internal thread sleeve 22, a screw 23, a driving bevel gear 24 and a driven bevel gear 25, the three-stage transmission shaft 41 horizontally traverses the two supporting boxes 21, two ends of the three-stage transmission shaft 41 are in shaft connection with the side walls of the two supporting boxes 21, the internal thread sleeve 22 is in shaft connection with the top of the supporting box 21 in a vertical state, the lower end of the internal thread sleeve 22 extends downwards out of the supporting box 21, the driven bevel gear 25 is fixedly arranged at the bottom of the internal thread sleeve 22, the screw 23 is arranged in the internal thread sleeve 22 in a vertical state, the two driving bevel gears 24 are respectively arranged at two ends of the three-stage transmission shaft 41, the two driving bevel gears 24 are respectively meshed with the two driven bevel gears 25, manual crank 26 of one end fixedly connected with of tertiary transmission shaft 41, the top of two lead screws 23 is connected with a bar backup pad 27 that is used for bearing swing mechanism 7 and two sets of atomizer jointly, and two sets of atomizing nozzle 8 symmetries set up in the both ends top of bar backup pad 27 to atomizing nozzle 8's bottom and bar backup pad 27 coupling. Rotate tertiary transmission shaft 41 through the hand handle, tertiary transmission shaft 41 drives driven bevel gear 25 through initiative bevel gear 24 and rotates, and then makes internal thread sleeve 22 rotatory, and internal thread sleeve 22 is rotatory to be made to turn into the elevating movement of lead screw 23 with spiral rotary motion to lead screw 23 can drive bar backup pad 27 and go up and down, and then can adjust atomizing nozzle 8's height.

The swing mechanism 7 comprises a rectangular sliding plate 28, a central gear 29, two auxiliary gears 30, two half-tooth gears 31 and two swing rods 32, the upper end of the secondary transmission shaft 11 upwards penetrates through a strip-shaped support plate 27 and is fixedly connected with the central gear 29, the rectangular sliding plate 28 is arranged at the top of the central gear 29 in an attaching mode, a strip-shaped chute 33 is formed in the middle of the rectangular sliding plate 28, the length direction of the strip-shaped chute 33 is perpendicular to the length direction of the strip-shaped support plate 27, a limiting shaft 34 vertically upwards penetrates through the strip-shaped chute 33 is fixedly arranged at the top of the central gear 29, the two auxiliary gears 30 are respectively arranged at two sides of the central gear 29, the central gear 29 is meshed with the two auxiliary gears 30, the two half-tooth gears 31 are respectively and coaxially arranged at the tops of the two auxiliary gears 30, racks 35 for meshing the half-tooth gears 31 are respectively arranged at two sides of the rectangular sliding plate 28, the two swing rods 32 are symmetrically arranged at the top of the rectangular sliding plate 28, and both ends of each swing lever 32 are connected to the rectangular slide plate 28 and the corresponding atomizing nozzle 8. The secondary transmission shaft 11 drives the central gear 29 to rotate, the central gear 29 drives the two half-tooth gears 31 to rotate through the two auxiliary gears 30, and the two half-tooth gears 31 are meshed with the racks 35 on the two sides of the rectangular sliding plate 28 in sequence in the rotating process, so that the rectangular sliding plate 28 performs linear reciprocating motion along the strip-shaped sliding groove 33, and the two oscillating rods 32 drive the two atomizing nozzles 8 to perform reciprocating rotary motion at a small angle. The limiting shaft 34 is matched with the strip-shaped sliding chute 33 and used for ensuring that the rectangular sliding plate 28 can only slide along the linear direction.

The both ends of swinging arms 32 are provided with first connecting seat 36 and second connecting seat 37 respectively, and first connecting seat 36 is fixed to be set up in one side of atomizing nozzle 8, and the tip and the first connecting seat 36 fixed connection of swinging arms 32, the bottom of second connecting seat 37 are provided with a vertical decurrent pivot 38, offer the shaft hole 39 that is used for supplying pivot 38 to connect on the rectangular slide 28, and swinging arms 32 is telescopic structure, and the tip and the second connecting seat 37 fixed connection of swinging arms 32. The second connecting seat 37 is pulled in the process that the rectangular sliding plate 28 slides back and forth, the second connecting seat 37 pulls the end, close to the atomizing nozzle 8, of the atomizing nozzle through the swinging rod 32, in the process, the distance between the first connecting seat 36 and the second connecting seat 37 changes, so the swinging rod 32 connecting the first connecting seat and the second connecting seat needs to be of a telescopic structure, meanwhile, the second connecting seat 37 and the rectangular sliding plate 28 rotate relatively, and therefore the second connecting seat 37 needs to be in shaft connection with the rectangular sliding plate 28 through the rotating shaft 38 at the bottom.

It should be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles applied thereto. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the invention as long as they do not depart from the spirit of the invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims

1. The utility model provides a nursery irrigation vehicle, a serial communication port, including chassis (1), water tank (2), force (forcing) pump (3), flow regulation valve (4), check valve (5), motor (6), drive mechanism, lifting unit, swing mechanism (7) and two sets of atomizing nozzle (8), the both ends below of chassis (1) is provided with four wheels (40) that are used for the walking, lifting unit sets up in chassis (1) front end top, water tank (2) and motor (6) set up in the rear end top of chassis (1), force (forcing) pump (3) and flow regulation valve (4) set up in the middle-end top of chassis (1), two sets of atomizing nozzle (8) set up in lifting unit's top and the two is the symmetry setting, swing mechanism (7) set up in lifting unit's top and lie in between two sets of atomizing nozzle (8), water tank (2), force (forcing) pump (3), flow regulation valve (4), The one-way valve (5) and the two groups of atomizing nozzles (8) are connected through a hose (9) in sequence, and the swing mechanism (7) and the four wheels (40) are connected with the motor (6) through a transmission mechanism;

drive mechanism includes final drive shaft (10) and secondary drive shaft (11), the front and back end of chassis (1) all is fixed and is provided with vertical riser (12) that upwards extend, final drive shaft (10) are the level and set up in the top of chassis (1), the both ends of final drive shaft (10) outwards pass two riser (12) respectively and all are connected with one first helical gear (13), the both ends of final drive shaft (10) respectively with two riser (12) coupling, four wheel (40) are two liang of a set of setting respectively in the front and back end of chassis (1), and all connect through a shaft (14) between two wheels (40) of every group, the fixed cover in middle part of shaft (14) is equipped with one second helical gear (15), two first helical gears (13) mesh with two second helical gears (15) respectively, motor (6) are connected with the final drive gear transmission, secondary drive shaft (11) are vertical to be set up in chassis (1) top and lie in swing mechanism (7) the top A secondary transmission shaft (11) is of a telescopic structure right below, the upper end of the secondary transmission shaft (11) is connected with the swing mechanism (7), and the lower end of the secondary transmission shaft is connected with the main transmission shaft (10);

the lifting assembly comprises a three-level transmission shaft (41) and two groups of rotating mechanisms which are symmetrically arranged, the two groups of rotating mechanisms are respectively positioned under the two groups of atomizing nozzles, each group of rotating mechanisms comprises a supporting box (21), an internal thread sleeve (22), a lead screw (23), a driving bevel gear (24) and a driven bevel gear (25), the three-level transmission shaft (41) horizontally crosses the two supporting boxes (21), the two ends of the three-level transmission shaft (41) are in shaft connection with the side walls of the two supporting boxes (21), the internal thread sleeve (22) is in shaft connection with the top of the supporting box (21) in a vertical state, the lower end of the internal thread sleeve (22) downwards extends out of the supporting boxes (21), the driven bevel gear (25) is fixedly arranged at the bottom of the internal thread sleeve (22), the lead screw (23) is arranged in the internal thread sleeve (22) in a vertical state, the two driving bevel gears (24) are respectively arranged at the two ends of the three-level transmission shaft (41), the two driving bevel gears (24) are respectively meshed with the two driven bevel gears (25), one end of a three-stage transmission shaft (41) is fixedly connected with a manual crank (26), the tops of the two lead screws (23) are jointly connected with a strip-shaped support plate (27) used for supporting the swing mechanism (7) and the two groups of atomizing nozzles, the two groups of atomizing nozzles (8) are symmetrically arranged at the tops of two ends of the strip-shaped support plate (27), and the bottoms of the atomizing nozzles (8) are in shaft connection with the strip-shaped support plate (27);

the swing mechanism (7) comprises a rectangular sliding plate (28), a central gear (29), two auxiliary gears (30), two half-tooth gears (31) and two swing rods (32), the upper end of the secondary transmission shaft (11) upwards penetrates through a strip-shaped supporting plate (27) and is fixedly connected with the central gear (29), the rectangular sliding plate (28) is arranged at the top of the central gear (29) in a fitting manner, a strip-shaped sliding chute (33) is formed in the middle of the rectangular sliding plate (28), the length direction of the strip-shaped sliding chute (33) is perpendicular to the length direction of the strip-shaped supporting plate (27), a limiting shaft (34) vertically upwards penetrating through the strip-shaped sliding chute (33) is fixedly arranged at the top of the central gear (29), the two auxiliary gears (30) are respectively arranged at two sides of the central gear (29), the central gear (29) is respectively meshed with the two auxiliary gears (30), the two half-tooth gears (31) are respectively and coaxially arranged at the tops of the two auxiliary gears (30), both sides of rectangle slide (28) all are provided with and are used for supplying rack (35) of half-tooth gear (31) meshing, and two swinging arms (32) symmetry set up in the top of rectangle slide (28) to the both ends of every swinging arm (32) all are connected with rectangle slide (28) and corresponding atomizing nozzle (8).

2. A nursery irrigation carriage as claimed in claim 1, wherein a first spur gear (16) is fixedly connected to the output of the motor (6), a second spur gear (17) meshed with the first spur gear (16) is fixedly arranged on the main drive shaft (10), the lower end of the secondary drive shaft (11) is connected to the chassis (1) through an inverted U-shaped bracket (18), the inverted U-shaped bracket (18) is fixedly connected to the chassis (1), and the main transmission shaft (10) penetrates through the inverted U-shaped support (18), the lower end of the secondary transmission shaft (11) is in shaft connection with the inverted U-shaped support (18), the lower end of the secondary transmission shaft (11) downwards penetrates through the inverted U-shaped support (18) and is fixedly connected with a first transmission bevel gear (19), and a second transmission bevel gear (20) meshed with the first transmission bevel gear (19) is fixedly arranged on the main transmission shaft (10).

3. A nursery garden irrigating vehicle according to claim 2, wherein a first connecting seat (36) and a second connecting seat (37) are respectively disposed at two ends of the swinging rod (32), the first connecting seat (36) is fixedly disposed at one side of the atomizing nozzle (8), the end of the swinging rod (32) is fixedly connected with the first connecting seat (36), a vertical downward rotating shaft (38) is disposed at the bottom of the second connecting seat (37), a shaft hole (39) for connecting the rotating shaft (38) is formed in the rectangular sliding plate (28), the swinging rod (32) is of a telescopic structure, and the end of the swinging rod (32) is fixedly connected with the second connecting seat (37).