CN112121330B

CN112121330B - Intelligence forestry sprays equipment

Info

Publication number: CN112121330B
Application number: CN202010988032.2A
Authority: CN
Inventors: 朱彩霞
Original assignee: Guangzhou Xinbiao Agriculture Technology Co ltd
Current assignee: Guangzhou Xinbiao Agriculture Technology Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-05-14
Anticipated expiration: 2040-09-18
Also published as: CN112121330A

Abstract

The invention discloses intelligent forestry spraying equipment, which comprises a box body, wherein a cavity is arranged in the box body, the inner wall of the left side of the cavity is connected with a moving rod in a sliding manner, an auxiliary box is fixed on the front side of the moving rod, an auxiliary cavity is arranged in the auxiliary box, and the inner wall of the auxiliary cavity is connected with a sliding plate in a sliding manner.

Description

Intelligence forestry sprays equipment

Technical Field

The invention relates to the field of forestry spraying, in particular to intelligent forestry spraying equipment.

Background

The intelligent forest spraying equipment can solve the problems that due to withered grass and trees, mountain forests catch fire, the first time when fire sources exist is the best time for fire extinguishment, inestimable loss can be caused if manual fire extinguishment is adopted, the existing forest spraying equipment uses a helicopter or a manual water pulling belt to extinguish fire, a large amount of manpower and material resources are consumed, the direction of a heat source and the direction of water are not well controlled, the angle of water spraying needs to be accurately controlled, the water spraying direction needs to be directed to the fire, a device which is arranged in the mountain forests and used for automatically detecting the heat source and spraying water in time needs to be arranged, and the existing forest spraying equipment cannot timely adjust the angle between a spray head and the heat source and make relevant changes.

Disclosure of Invention

The technical problem is as follows:

the area sprayed by the spray head and the rotating speed directly influence the fire extinguishing effect, and the existing forestry spraying equipment cannot adjust the angle between the spray head and a heat source in time and make relevant changes.

In order to solve the problems, the embodiment designs an intelligent forestry spraying device, which comprises a box body, wherein a cavity is arranged in the box body, the inner wall of the left side of the cavity is connected with a moving rod in a sliding manner, the front side of the moving rod is fixed with an auxiliary box, an auxiliary cavity is arranged in the auxiliary box, the inner wall of the auxiliary cavity is connected with a sliding plate in a sliding manner, the upper side of the sliding plate is fixed with an electric pull rod which is connected with the inner wall of the upper side of the auxiliary cavity in a sliding manner, the upper side of the auxiliary box is fixed with two connecting boxes which are bilaterally symmetrical relative to the electric pull rod, a connecting cavity which is connected with the auxiliary cavity in a penetrating manner is arranged in the connecting boxes, the inner wall of the connecting cavity is connected with connecting rods which extend upwards in a sliding manner, the two connecting rods are fixed with annular discs which are symmetrical relative to the center of the fixing rod and, the left side of the connecting rod is provided with fixed blocks which are fixed on the threaded rod and are symmetrical relative to the center of the threaded rod, the inner wall of the fixed block is connected with a sliding block in a sliding way, a spring is arranged between the sliding block and the inner wall of the fixed block, the right side of the sliding block is provided with five auxiliary fixed blocks which are fixed on the connecting rod and are distributed equidistantly from top to bottom, the connecting rod is connected with a connecting block which is arranged at the lower side of the fixed block and extends rightwards in a sliding way, a connecting cavity is arranged in the connecting block, the inner wall of the connecting cavity is connected with an auxiliary sliding block which is arranged at the right side of the connecting rod in a sliding way, an auxiliary spring is arranged between the right side of the auxiliary sliding block and the inner wall of the right side of the connecting, the fixed rod is rotationally connected with a sliding rod, one side of the sliding rod, which is far away from the fixed rod, is connected with the inner wall of the horizontal section of the annular cavity in a sliding way, an extending rod extending upwards is fixed on the front side of the sliding rod, a cross rod is arranged on the front side of the extending rod, a transverse groove is arranged in the transverse rod, the inner wall of the transverse groove is connected with a sliding block in a sliding way, the sliding block is rotationally connected with a rotating shaft, the rotating shaft is connected with the extension rod in a sliding way, a connecting block connected with the extension rod in a sliding way is fixed on the upper side of the cross rod, the upper side of the connecting block is rotatably connected with a spray head positioned on the right side of the extension rod, a heat-sensitive inductor is fixed on the right side of the spray head, the shower nozzle upside is fixed with two fixed pins of front and back symmetry, the fixed pin upside is equipped with the device that turns to that is used for reciprocating to turn to, be equipped with the speed change gear who is used for changing the speed of reciprocating in the cavity.

Preferably, the steering device comprises a sliding box which is slidably connected with the extension rod and is positioned on the upper side of the fixed pins, a sliding cavity is arranged in the sliding box, a motor is fixed on the inner wall of the right side of the sliding cavity, a main shaft is rotatably connected on the left side of the motor, a counter shaft which is rotatably connected with the inner wall of the lower side of the sliding cavity is meshed with the main shaft, a turntable is fixed on the upper side of the counter shaft, fixed teeth are fixed on the upper side of the turntable, a fixed plate which is fixed on the inner wall of the sliding cavity is arranged on the left side of the turntable, the fixed plate is rotatably connected with an extension shaft which extends leftwards and rightwards, two extension blocks which are positioned on the upper side of the turntable and are symmetrical front and back are fixed on the lower side of the vertical section of the extension shaft, a swing rod, vice piece right side inner wall sliding connection has vice sliding block, vice sliding block upside with be equipped with fixed spring between the vice piece inner wall, vice sliding block rotates and is connected with downwardly extending's vice connecting rod, vice connecting rod downside rotate connect in the fixed plate.

Preferably, the speed changing device comprises a spline sleeve fixed on the lower side of the auxiliary box, the spline sleeve is in spline connection with a rotating shaft extending downwards, the rotating shaft is in spline connection with an auxiliary spline sleeve positioned on the lower side of the connecting block, the auxiliary spline sleeve is fixed with a symmetrical wheel which is symmetrical about the center of the rotating shaft, the lower side of the symmetrical wheel is provided with a fixed disc fixed on the rotating shaft, the lower side of the fixed disc is fixed with a linking spring surrounding the rotating shaft, the lower side of the linking spring is fixed with a rotating block which is symmetrical about the center of the rotating shaft, the inner side of the rotating block is fixed with a main spline sleeve which is in spline connection with the rotating shaft, the rotating block is in sliding connection with two main connecting rods which are symmetrical about the rotating shaft, one side of the main connecting rods, the main connecting rod upside butt in the symmetrical wheel, the turning block downside is fixed with two auxiliary extension shafts related to the rotation axis bilateral symmetry, the auxiliary extension shafts are connected with a turning wheel in a sliding manner, the turning wheel is connected with the rotation axis in a sliding manner, two turning wheel cavities related to the rotation axis bilateral symmetry are arranged in the turning wheel, the inner wall of the turning wheel cavity is connected with a main sliding block fixedly connected with the auxiliary extension shafts in a sliding manner, the lower side of the auxiliary extension shafts is connected with a main turning wheel positioned at the lower side of the turning wheel and connected with the rotation axis in a sliding manner, the lower side of the main turning wheel is connected with a main motor rotatably connected with the rotation axis in a sliding manner, the lower side of the main motor is fixed on the inner wall of the cavity lower side, the right side of the main turning wheel is connected with an auxiliary turning wheel in a meshing manner, the auxiliary, the auxiliary rotating shaft is in splined connection with a main spline cylinder which is rotatably connected to the moving rod, a rotating cylinder which is located on the upper side of the moving rod is fixed on the main spline cylinder, a sliding groove is formed in the rotating cylinder, and the sliding groove is in sliding connection with a sliding pin which is fixed on the rear side of the cross rod.

Preferably, the movable rod is in threaded connection with a threaded rod extending from top to bottom, the lower side of the threaded rod is rotationally connected with an auxiliary motor fixed on the inner wall of the lower side of the cavity, the threaded rod is in threaded connection with push rods in bilateral symmetry with the symmetric center line of the box body, the upper side of each push rod is in sliding connection with a cover plate, and the cover plate is in sliding connection with the upper side of the box body.

The invention has the beneficial effects that: the invention is arranged in the box body before use, can effectively prevent the damage in forestry areas, adopts the circulating water spraying up and down and rotating ring type to extinguish fire when a fire disaster occurs, changes the angle of the spray head when a heat source is detected to be close, and reduces the speed of up and down movement, so that the water is sprayed in a fan shape in the direction of the heat source, and the water is sprayed in the heat source area for more time, thereby effectively extinguishing the fire.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

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

Fig. 3 is an enlarged schematic view of B in fig. 1.

Fig. 4 is an enlarged schematic view of C in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The intelligent forestry spraying equipment comprises a box body 11, wherein a cavity 12 is arranged in the box body 11, a moving rod 13 is connected to the inner wall of the left side of the cavity 12 in a sliding manner, an auxiliary box 14 is fixed to the front side of the moving rod 13, an auxiliary cavity 79 is arranged in the auxiliary box 14, a sliding plate 37 is connected to the inner wall of the auxiliary cavity 79 in a sliding manner, an electric pull rod 78 connected to the inner wall of the upper side of the auxiliary cavity 79 in a sliding manner is fixed to the upper side of the sliding plate 37, two connecting boxes 71 which are bilaterally symmetrical relative to the electric pull rod 78 are fixed to the upper side of the auxiliary box 14, a connecting cavity 70 which is connected to the auxiliary cavity 79 in a penetrating manner is arranged in the connecting box 71, an upwards extending connecting rod 72 is movably connected to the inner wall of the connecting cavity 70 in a sliding manner, two annular disks 73 which are centrosymmetrically relative to the fixing rod 76 and are positioned on the upper side of the connecting box 71 are fixed to the two connecting, the connecting rod 16 is provided with a fixing block 86 which is fixed on the threaded rod 15 and is symmetrical with respect to the center of the threaded rod 15, the inner wall of the fixing block 86 is connected with a sliding block 84 in a sliding manner, a spring 85 is arranged between the sliding block 84 and the inner wall of the fixing block 86, the right side of the sliding block 84 is provided with five auxiliary fixing blocks 83 which are fixed on the connecting rod 16 and are distributed from top to bottom in equal intervals, the connecting rod 16 is connected with a connecting block 17 which is positioned at the lower side of the fixing block 86 and extends rightwards, a connecting cavity 80 is arranged in the connecting block 17, the inner wall of the connecting cavity 80 is connected with an auxiliary sliding block 81 which is positioned at the right side of the connecting rod 16 in a sliding manner, an auxiliary spring 82 is arranged between the right side inner wall of the auxiliary sliding block, be equipped with the downside in annular chamber 77 and be fixed in the vice case 14 upside and be located the dead lever 76 of electronic pull rod 78 rear side, dead lever 76 rotates and is connected with slide bar 75, slide bar 75 keeps away from dead lever 76 one side sliding connection in annular chamber 77 horizontal segment inner wall, slide bar 75 front side is fixed with the extension rod 50 that upwards extends, extension rod 50 front side is equipped with horizontal pole 41, be equipped with cross slot 43 in the horizontal pole 41, cross slot 43 inner wall sliding connection has a sliding block 44, sliding block 44 rotates and is connected with pivot 45, pivot 45 sliding connection in extension rod 50, horizontal pole 41 upside is fixed with sliding connection in the linking piece 51 of extension rod 50, linking piece 51 upside rotates and is connected with the shower nozzle 48 that is located extension rod 50 right side, shower nozzle 48 right side is fixed with temperature sensing ware 47, shower nozzle 48 upside is fixed with two fixed pins 62 of longitudinal symmetry, the fixing pin 62 is provided with a steering device 901 for reciprocating steering on the upper side, and a speed changing device 902 for changing the up-down moving speed is arranged in the cavity 12.

Beneficially, the steering device 901 comprises a sliding box 49 slidably connected to the extension rod 50 and located on the upper side of the fixing pin 62, a sliding cavity 55 is arranged in the sliding box 49, a motor 65 is fixed on the inner wall of the right side of the sliding cavity 55, a main shaft 64 is rotatably connected to the left side of the motor 65, the main shaft 64 is in meshing connection with a secondary shaft 63 rotatably connected to the inner wall of the lower side of the sliding cavity 55, a rotary table 66 is fixed on the upper side of the secondary shaft 63, a fixing tooth 67 is fixed on the upper side of the rotary table 66, a fixing plate 60 fixed on the inner wall of the sliding cavity 55 is arranged on the left side of the rotary table 66, the fixing plate 60 is rotatably connected with an extension shaft 69 extending left and right, two extension blocks 68 located on the upper side of the rotary table 66 and symmetrical to the front and back are fixed on the lower side of the vertical section of the extension shaft 69, a secondary block 58 is fixed on the right side of the swing rod 57, a secondary slide block 59 is slidably connected to the inner wall of the right side of the secondary block 58, a fixed spring 56 is arranged between the upper side of the secondary slide block 59 and the inner wall of the secondary block 58, the secondary slide block 59 is rotatably connected with a secondary connecting rod 61 extending downwards, the lower side of the secondary connecting rod 61 is rotatably connected with the fixed plate 60, the motor 65 rotates the main shaft 64, the secondary shaft 63 rotates, the turntable 66 drives the fixed teeth 67 to rotate, when the fixed teeth 67 stir the extension block 68 to rotate for a certain angle, the extension shaft 69 drives the swing rod 57 to rotate, the secondary block 58 rotates, the fixed spring 56 is in a state of firstly loosening the slide block and then compressing, and the secondary slide block 59 slides along the inner wall of the right side of the secondary block 58 under the elastic recovery action of the fixed spring 56, meanwhile, the auxiliary connecting rod 61 is rotated, and the swinging rod 57 is rotated by a certain angle to rotate the spray head 48 by pulling the fixing pin 62, so that the spray head 48 is rotated back and forth within a certain angle.

Advantageously, the speed changing device 902 includes a spline sleeve 38 fixed on the lower side of the sub-box 14, the spline sleeve 38 is splined with a downwardly extending rotating shaft 28, the rotating shaft 28 is splined with a sub spline housing 19 located on the lower side of the connecting block 17, the sub spline housing 19 is fixed with a symmetrical wheel 18 which is centrosymmetric with respect to the rotating shaft 28, the lower side of the symmetrical wheel 18 is provided with a fixed disk 35 fixed on the rotating shaft 28, the lower side of the fixed disk 35 is fixed with an engaging spring 34 surrounding the rotating shaft 28, the lower side of the engaging spring 34 is fixed with a rotating block 21 which is centrosymmetric with respect to the rotating shaft 28, the inner side of the rotating block 21 is fixed with a main spline housing 24 which is splined with the rotating shaft 28, the rotating block 21 is slidably connected with two main connecting rods 36 which are bilaterally symmetric with respect to the rotating shaft 28, and the side of the main connecting rods 36 away The block 20, the upside butt of main connecting rod 36 in symmetrical wheel 18, the turning block 21 downside is fixed with about two vice extension axles 22 of axis of rotation 28 bilateral symmetry, vice extension axle 22 sliding connection has runner 29, runner 29 sliding connection in axis of rotation 28, be equipped with in the runner 29 about two runner chambeies 26 of axis of rotation 28 bilateral symmetry, runner intracavity 26 inner wall sliding connection has fixed connection in the main slider 25 of vice extension axle 22, vice extension axle 22 downside butt has to be located runner 29 downside and sliding connection in the main runner 30 of axis of rotation 28, main runner 30 downside sliding connection has the rotation to connect in the main motor 27 of axis of rotation 28, main motor 27 downside is fixed in cavity 12 downside inner wall, main runner 30 right side meshing is connected with vice runner 32, vice runner 32 is fixed with the rotation connect in the vice axis of rotation 31 of cavity 12 downside inner wall, the auxiliary rotating shaft 31 is fixed with a fixed wheel 33 positioned at the lower side of the main fixed block 20 at the right side, the auxiliary rotating shaft 31 is in splined connection with a main splined barrel 39 rotatably connected to the moving rod 13, the main splined barrel 39 is fixed with a rotating barrel 46 positioned at the upper side of the moving rod 13, the rotating barrel 46 is provided with a sliding chute 40, the sliding chute 40 is in sliding connection with a sliding pin 42 fixed at the rear side of the cross rod 41, when the symmetrical wheel 18 slides downwards along the rotating shaft 28, the main connecting rod 36 rotates, the rotating block 21 slides upwards along the rotating shaft 28, at the moment, the engaging spring 34 is compressed, the rotating block 21 drives the auxiliary extending shaft 22 to slide upwards, so that the auxiliary extending shaft 22 is not abutted against the main rotating wheel 30, the auxiliary extending shaft 22 slides upwards along the inner wall of the rotating wheel cavity 26 through the main sliding block 25, and drives the rotating wheel 29 to slide, the rotating wheel 29 is engaged with the fixed wheel 33, so that the rotating speed of the auxiliary rotating shaft 31 is reduced, and spraying is facilitated.

Beneficially, the movable rod 13 is in threaded connection with a threaded rod 15 extending up and down, the lower side of the threaded rod 15 is rotatably connected with an auxiliary motor 23 fixed on the inner wall of the lower side of the cavity 12, the threaded rod 15 is in threaded connection with push rods 52 in bilateral symmetry with the symmetric central line of the box body 11, the upper side of each push rod 52 is slidably connected with a cover plate 53, and each cover plate 53 is slidably connected to the upper side of the box body 11 to prevent garbage such as forestry leaves and the like from falling into the device.

The use steps herein are described in detail below with reference to fig. 1-4:

initially, the auxiliary motor 23, the main motor 27, the motor 65, and the electric pull rod 78 are in a closed state, the cover plate 53 closes the upper side of the cavity 12, the lower side of the auxiliary extension shaft 22 abuts against the main runner 30, the engaging spring 34 is not compressed, and the extension rod 50 is in a vertical state.

In operation, when there is a forestry fire, the auxiliary motor 23 is started, the auxiliary motor 23 rotates the threaded rod 15, the threaded rod 15 moves the push rod 52 downwards, the push rod 52 drives the cover plate 53 to move downwards along the inclined plane on the upper side of the box body 11, so that the upper side of the cavity 12 is opened, meanwhile, the moving rod 13 slides upwards along the inner wall on the left side of the cavity 12 due to the rotation of the threaded rod 15, the threaded rod 15 rotates, so that the sliding block 84 moves along the inner wall of the fixing block 86 under the action of centrifugal force, the connecting rod 16 is pushed to the right, the auxiliary sliding block 81 slides to the right along the inner wall of the connecting cavity 80, the auxiliary spring 82 is in a compressed state, meanwhile, the auxiliary fixing block 83 is not blocked by the inner wall on the upper side of the connecting cavity 80, the connecting rod 16 can move upwards under the pulling of the auxiliary box 14, the moving rod 13 drives the auxiliary, the spline sleeve 38 on the lower side of the sub-tank 14 moves up along the rotating shaft 28, so that the spray head 48 is positioned on the upper side of the cavity 12, fire extinguishment is facilitated, the main motor 27 is started, the rotating shaft 28 is rotated by the main motor 27, the sub-tank 14 is rotated by the rotating shaft 28 through the spline sleeve 38, the extension rod 50 enables the spray head 48 to rotate around the extension rod 50, the water sprayed by the spray head 48 at the moment is shot horizontally, the rotating block 21 is rotated through the main spline sleeve 24 due to the rotation of the rotating shaft 28, the rotating block 21 drives the sub-extension shaft 22 on the lower side to rotate, the sub-extension shaft 22 enables the runner 29 and the main runner 30 to rotate together, because the main runner 30 is in a meshed state with the sub-runner 32 at the moment, the sub-rotating shaft 31 enables the rotating drum 46 to rotate through the main spline sleeve 39, the sliding groove 40 rotates together to enable the sliding pin 42 to slide along, meanwhile, the spray head 48 on the upper side of the connecting block 51 and the sliding box 49 move up and down together, so that the spray area of the spray head 48 is wider, if the heat source at which the heat-sensitive sensor 47 detects is relatively close, the electric pull rod 78 is started, the sliding plate 37 slides down along the inner wall of the auxiliary cavity 79 by the electric pull rod 78, the connecting rod 72 slides down along the inner wall of the connecting box 71 under the action of pressure, the annular box 74 moves up by the connecting rod 72, so that the sliding rod 75 rotates, the extension rod 50 is in an inclined state, the spray head 48 can spray water to the farthest ground when the included angle between the extension rod 50 and the horizontal plane is forty-five degrees, the annular disc 73 moves downwards due to the downward movement of the connecting rod 72 at the moment, and the connecting rod 16 moves downwards, and the connecting block 17 can move due to the fact that the connecting rod 16 is clamped in the connecting cavity 80 through the auxiliary fixing block 83 at the moment, the connecting block 17 pushes the symmetrical wheel 18 on the lower side to move downwards along the rotating shaft 28, at this time, the main connecting rod 36 rotates, so that the rotating block 21 drives the main spline sleeve 24 to move upwards along the rotating shaft 28, at this time, the engaging spring 34 is compressed, and at the same time, the rotating block 21 drives the auxiliary extending shaft 22 to move upwards, so that the lower side of the auxiliary extending shaft 22 does not abut against the main rotating wheel 30, the rotating wheel 29 does not rotate, at the same time, the auxiliary extending shaft 22 enables the rotating wheel 29 to move upwards along the rotating shaft 28 through the main slider 25, so that the rotating wheel 29 is meshed with the fixed wheel 33, because of the different diameters between the rotating wheel 29 and the main rotating wheel 30, and the different diameters between the fixed wheel 33 and the auxiliary rotating wheel 32, so that the rotating speed of the auxiliary rotating shaft 31 is reduced, at this time, the up-and down moving speed of the cross rod, the main shaft 64 enables the auxiliary shaft 63 to rotate through meshing, the auxiliary shaft 63 enables the rotary table 66 to drive the fixing teeth 67 to rotate, the fixing teeth 67 enable the extension shaft 69 to swing in a reciprocating mode by poking the extension block 68, meanwhile, the extension shaft 69 drives the swing rod 57 to swing, the auxiliary block 58 swings together, the swing rod 57 and the extension shaft 69 at the beginning are in an inclined state, after the swing rod 57 rotates, the swing rod 57 rotates to the other side under the elastic recovery of the fixing spring 56, namely the swing rod 57 swings in a reciprocating mode at the moment, the fixing pin 62 is driven to swing in a reciprocating mode, the spray head 48 rotates in a reciprocating mode, water sprayed out of the spray head 48 can be sprayed for multiple times in a fan-shaped range, and the heat.

When the process is finished, the auxiliary motor 23 is driven to enable the threaded rod 15 to rotate reversely, the push rod 52 moves upwards, the cover plate 53 seals the upper side of the cavity 12, the spline sleeve 38 drives downwards, the whole body enters the cavity 12 to prevent damage, and the auxiliary motor 23, the main motor 27, the motor 65 and the electric pull rod 78 are turned off.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an intelligence forestry spraying equipment, includes the box, be equipped with the cavity in the box, cavity left side inner wall sliding connection has the carriage release lever, the carriage release lever front side is fixed with the auxiliary tank, be equipped with vice chamber in the auxiliary tank, vice intracavity wall sliding connection has slide, its characterized in that: the slide upside is fixed with the electric pull rod which is connected with the upside inner wall of the auxiliary cavity in a sliding way, the upside of the auxiliary cavity is fixed with two linking boxes which are symmetrical with the electric pull rod in the bilateral direction, the linking box is internally provided with a linking cavity which is connected with the auxiliary cavity in a penetrating way, the inner wall of the linking cavity is connected with linking rods which extend upwards in a sliding way, the two linking rods are fixed with annular discs which are symmetrical with the center of a fixed rod and are positioned on the upside of the linking box, the annular discs are connected with connecting rods which are positioned on the left side of the linking box and extend downwards in a sliding way, the left side of the connecting rods is provided with fixed blocks which are fixed on a threaded rod and are symmetrical with the center of the threaded rod, the inner wall of the fixed blocks is connected with a slide block in a sliding, the connecting rod is connected with a connecting block which is positioned at the lower side of the fixed block and extends rightwards, a connecting cavity is arranged in the connecting block, the inner wall of the connecting cavity is connected with an auxiliary sliding block which is positioned at the right side of the connecting rod in a sliding manner, an auxiliary spring is arranged between the right side of the auxiliary sliding block and the inner wall of the right side of the connecting cavity, the upper side of the annular disc is provided with an annular box which is fixed on the connecting rod, an annular cavity which penetrates up and down is arranged in the annular box, a fixed rod is arranged in the annular cavity, the lower side of the fixed rod is fixed at the upper side of the auxiliary box and is positioned at the rear side of the electric pull rod, the fixed rod is connected with a sliding rod in a rotating manner, one side of the sliding rod, which is far away from the fixed rod, the sliding block is rotatably connected with a rotating shaft, the rotating shaft is slidably connected with the extension rod, a connecting block which is slidably connected with the extension rod is fixed on the upper side of the cross rod, a spray head which is positioned on the right side of the extension rod is rotatably connected on the upper side of the connecting block, a thermosensitive inductor is fixed on the right side of the spray head, two fixing pins which are symmetrical in the front-back direction are fixed on the upper side of the spray head, a steering device for steering in a reciprocating manner is arranged on the upper side of each fixing pin, and a speed change device for changing; the steering device comprises a sliding box which is connected with the extension rod in a sliding manner and is positioned on the upper side of the fixed pins, a sliding cavity is arranged in the sliding box, a motor is fixed on the inner wall of the right side of the sliding cavity, the left side of the motor is connected with a main shaft in a rotating manner, the main shaft is connected with a countershaft which is connected with the inner wall of the lower side of the sliding cavity in a rotating manner in a meshing manner, the upper side of the countershaft is fixed with a turntable, the upper side of the turntable is fixed with fixed teeth, the left side of the turntable is provided with a fixed plate which is fixed on the inner wall of the sliding cavity, the fixed plate is connected with an extension shaft which extends leftwards and rightwards, the lower side of the vertical section of the extension shaft is fixed with two extension blocks which are symmetrical front and backwards and are positioned on the upper side of the turntable, the, a fixed spring is arranged between the upper side of the auxiliary sliding block and the inner wall of the auxiliary block, the auxiliary sliding block is rotatably connected with an auxiliary connecting rod extending downwards, and the lower side of the auxiliary connecting rod is rotatably connected with the fixed plate; the speed change device comprises a spline sleeve fixed on the lower side of the auxiliary box, the spline sleeve is in spline connection with a rotating shaft extending downwards, the spline of the rotating shaft is connected with an auxiliary spline sleeve positioned on the lower side of the connecting block, the auxiliary spline sleeve is fixed with symmetrical wheels which are symmetrical with respect to the center of the rotating shaft, the lower sides of the symmetrical wheels are provided with fixed disks fixed on the rotating shaft, the lower sides of the fixed disks are fixed with linking springs surrounding the rotating shaft, the lower sides of the linking springs are fixed with rotating blocks which are symmetrical with respect to the center of the rotating shaft, the inner sides of the rotating blocks are fixed with main spline sleeves which are in spline connection with the rotating shaft, the rotating blocks are in sliding connection with two main connecting rods which are symmetrical with respect to the left and the right of the rotating, the main connecting rod upside butt in the symmetrical wheel, the turning block downside is fixed with two auxiliary extension shafts related to the rotation axis bilateral symmetry, the auxiliary extension shafts are connected with a turning wheel in a sliding manner, the turning wheel is connected with the rotation axis in a sliding manner, two turning wheel cavities related to the rotation axis bilateral symmetry are arranged in the turning wheel, the inner wall of the turning wheel cavity is connected with a main sliding block fixedly connected with the auxiliary extension shafts in a sliding manner, the lower side of the auxiliary extension shafts is connected with a main turning wheel positioned at the lower side of the turning wheel and connected with the rotation axis in a sliding manner, the lower side of the main turning wheel is connected with a main motor rotatably connected with the rotation axis in a sliding manner, the lower side of the main motor is fixed on the inner wall of the cavity lower side, the right side of the main turning wheel is connected with an auxiliary turning wheel in a meshing manner, the auxiliary, the auxiliary rotating shaft is in splined connection with a main spline cylinder which is rotationally connected to the moving rod, a rotating cylinder which is located on the upper side of the moving rod is fixed on the main spline cylinder, a sliding groove is formed in the rotating cylinder, and the sliding groove is in sliding connection with a sliding pin which is fixed on the rear side of the cross rod; the utility model discloses a box, including cavity downside, carriage release lever, movable rod threaded connection have the threaded rod that extends from top to bottom, the threaded rod downside rotates to be connected with and is fixed in the vice motor of cavity downside inner wall, threaded rod threaded connection is related to box symmetry center line bilateral symmetry's push rod, push rod upside sliding connection has the apron, apron sliding connection in the box upside.