CN114176060A

CN114176060A - Agricultural injection device

Info

Publication number: CN114176060A
Application number: CN202111439395.1A
Authority: CN
Inventors: 潘佳伟
Original assignee: Xuzhou Tengersheng Machinery Equipment Technology Co ltd
Current assignee: Jiangsu Shangzhou Intelligent Equipment Research Institute Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-03-15
Anticipated expiration: 2041-11-30
Also published as: CN114176060B

Abstract

The invention discloses an agricultural spraying device, which belongs to the technical field of agricultural equipment and comprises a spraying piece, wherein the spraying piece comprises a horizontally arranged spraying pipe, a spraying head in a spherical structure, a spraying nozzle capable of rotating up and down, an inner sealing cover and an outer sealing cover; still include the adaptor, carry piece and driving piece, the adaptor rotates and installs on carrying the piece, driving piece fixed mounting is on carrying the piece, the adaptor passes through the driving piece drive and rotates, circumference evenly installs a plurality of injection piece on the adaptor, install the position inductor response on the driving piece, position inductor response pass through controller control, the controller is installed on the driving piece. The invention has good flexibility by arranging the up-and-down rotation of the spray nozzle, can control the spray range and irrigate uniformly; meanwhile, the spray nozzle can also do circular motion along with the adapter, so that the spray range is enlarged, and resources are saved.

Description

Agricultural injection device

Technical Field

The invention relates to an agricultural injection device, and belongs to the technical field of agricultural equipment.

Background

In agricultural planting, crops need to be irrigated, and water, fertilizers and the like needed by the crops are supplemented, so that the survival rate, the growth quality and the yield of the crops are improved. In the existing agricultural irrigation, spray pipes are arranged among crops, so that the agricultural irrigation is convenient to use, but manual control is needed, and the structural characteristics of the spray pipes cause uneven irrigation; some automatic sprinkling irrigation devices are used, but the spraying devices are generally fixedly arranged, so that the flexibility is low, the spraying range is small, better spraying cannot be realized, and uneven irrigation can also be caused.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides the agricultural injection device, the injection nozzle is arranged to rotate up and down, the flexibility is good, the injection range can be controlled, the area needing irrigation is irrigated, and the irrigation is uniform; meanwhile, the spray nozzle can also do circular motion along with the adapter piece, the spraying range is enlarged, the arrangement of the ground spray points for agriculture or the moving times of irrigation equipment are reduced, and resources are saved.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an injection apparatus for agricultural, includes the injection piece, the injection piece includes the injection line of level arrangement, is the injector head of spherical structure, can tilting jet, interior closing cap and outer closing cap, the one end of injection line sets up to be spherical structure's dress inlay portion, be provided with the ball ring groove that matches with dress inlay portion in the dress inlay portion, be provided with the mouth and the spout of spouting of intercommunication each other in the injector head, the sealed rotation of injector head inlays the inner chamber at dress inlay portion, spout mouth and injection line intercommunication, the spout communicates with the coaxial fixed intercommunication of injector head, interior closing cap, outer closing cap and the coaxial fixed connection of injector head, and the sealed rotation of interior closing cap inlays the dress in the ball ring groove, and the interior sphere of outer closing cap supports the rotation with the outer sphere of dress inlay portion tightly, injector head, interior closing cap, outer closing cap fixed connection are on the connecting axle, the connecting axle rotates with dress inlay portion and is connected, the spherical centers of the embedding part, the spray head, the inner sealing cover and the outer sealing cover are positioned on the axis of the connecting shaft, the axis of the spray nozzle and the axis of the spray pipe are perpendicular to the axis of the connecting shaft, the axis of the spray nozzle and the axis of the spray pipe are arranged in the same vertical plane, the axis of the spray pipe and the axis of the connecting shaft are arranged in the same horizontal plane, the connecting shaft is driven by a small servo motor to rotate, the small servo motor is fixed on a bracket, the bracket is installed on the spray pipe, and the small servo motor is controlled by a controller;

preferably, the injection port includes a first port and a second port arranged above the injection port, and a third port arranged below the injection port, the volume of the third port being smaller than the volume of the second port and larger than the volume of the first port; when the spray nozzle rotates from the highest position to the position where the spray nozzle and the spray pipe are coaxially arranged, the second port is always completely communicated with the spray pipe, and the first port is firstly completely communicated with the spray pipe and then gradually blocked by the embedding part; when the injection nozzle rotates to the lowest position from the position that injection nozzle and injection pipe were arranged to the axle, first opening communicates with the injection pipe completely all the time, second opening is gradually blocked by the dress inlay portion, and when half to second opening is blocked, third opening communicates with the injection pipe gradually, and when second opening is completely blocked by the dress inlay portion, third opening communicates with the injection pipe completely.

Preferably, be provided with assorted elastic sealing cover one between dress portion of inlaying and the injector head, the transversal U type structure of personally submitting of elastic sealing cover one, and U type structure inner chamber towards dress portion of inlaying, the one end oral area and dress portion of inlaying fixed connection, the inward flange fixed connection of the other end oral area and interior closing cap of the U type structure inner chamber of elastic sealing cover one, the bottom department and the injector head fixed connection of the U type structure inner chamber of elastic sealing cover one.

Preferably, a second elastic sealing sleeve matched with the outer sealing cover is arranged between the embedding part and the outer sealing cover, the cross section of the second elastic sealing sleeve is of an L-shaped structure, and two ends of the second elastic sealing sleeve are fixedly connected with the central part and the embedding part of the outer sealing cover respectively.

Preferably, this injection apparatus still includes the adaptor, carries piece and driving piece, the adaptor rotates and installs on carrying the piece, driving piece fixed mounting is on carrying the piece, the adaptor passes through the driving piece drive and rotates, circumference evenly installs a plurality of injection piece on the adaptor, install the position inductor response on the driving piece, position inductor response pass through controller control, the controller is installed on the driving piece.

Preferably, the adaptor includes adapter, the vertical switching pipe and the switching ring dish of arranging that are spherical structure, the adapter is with the fixed intercommunication of injection pipe, the top and the fixed intercommunication of adapter of switching pipe, the bottom and the switching ring dish fixed connection of switching pipe, the inside switching ring platform that is provided with the coaxial arrangement of switching pipe of adapter, the inner peripheral surface of switching ring dish is provided with the internal tooth.

Preferably, the conveying part comprises a conveying head, a conveying pipe and a supporting ring disc which are coaxially arranged, the conveying head is sealed and rotatably clamped on the switching table, the top end of the conveying pipe is fixedly communicated with the conveying head, the conveying pipe is fixedly connected with the supporting ring disc at the position corresponding to the bottom end of the switching pipe, the conveying pipe is sealed and rotatably connected with the switching pipe, and the supporting ring disc is respectively and rotatably connected with the switching ring disc and the switching pipe coaxially.

Preferably, a clamping groove is formed in the conveying head, a notch of the clamping groove is rotatably abutted to the tight limiting ring table, a groove bottom of the clamping groove is rotatably abutted to the sealing ring table, a transverse inclined plane of the groove bottom of the clamping groove and a transverse inclined plane of the sealing ring table are both of an arc-shaped structure, the sealing ring table is fixedly installed at the top end of the adapter ring table, the tight sealing ring table is fixedly installed on the adapter ring table, a first sealing ring is arranged between the sealing ring table and the tight sealing ring table in the clamping groove, and the first sealing ring is fixedly installed in the clamping groove;

the surface of the tray ring opposite to the adapter tube is provided with a sealing groove I, the adapter tube is provided with a sealing groove II corresponding to the sealing groove I, a sealing ring II is arranged between the sealing groove I and the sealing groove II, and the sealing ring II is fixedly arranged in the sealing groove II.

Preferably, the driving piece is including fixing the holding box on the conveyer pipe, be provided with drive bearing and big servo motor in the holding box, drive bearing is located the ring tray under, the inner peripheral surface of drive bearing and the coaxial fixed connection of the outer peripheral surface of conveyer pipe, the top of drive bearing outer peripheral surface is provided with external tooth, the bottom of drive bearing outer peripheral surface is provided with the helical gear, big servo motor's output is through pivot fixed connection bevel gear, helical gear and bevel gear meshing, external tooth and the seamless block of inscription tooth, big servo motor passes through controller control, and controller, position inductor install on the holding box.

Preferably, the accommodating box is fixedly provided with a clamping cover, and the inner circumferential surface of the clamping cover is in rotary abutting joint with the outer circumferential surface of the adapter ring disc.

Preferably, the number of the spraying pieces is 3-6.

The invention has the beneficial effects that: 1. the spherical embedded part is arranged on the injection pipe, the injection nozzle can rotate up and down through the injection head, the inner sealing cover and the outer sealing cover, the flexibility is good, the injection range can be controlled, areas needing irrigation can be irrigated, the irrigation is uniform, the waste of water, fertilizers and the like is reduced, and the spherical embedded part is suitable for various terrains of agricultural lands.

2. According to the invention, the first through hole, the second through hole and the third through hole which are different in volume are arranged on the spray head, and the opening states of the first through hole, the second through hole and the third through hole are different at different positions of the spray nozzle, so that the required water quantity of a spray floor point from far to near can be well controlled, and the irrigation is more uniform.

3. The invention is provided with the adaptor, the conveying piece and the driving piece which can drive the injection pipe to rotate, so that the injection nozzle can do circular motion while rotating up and down, the injection range is enlarged, the arrangement of the agricultural ground injection points or the moving times of irrigation equipment are reduced, and resources are saved.

4. The driving bearing with the external gear and the helical gear can drive the adapter ring disc to coaxially rotate relative to the conveying pipe, the adapter ring disc cannot deviate in the rotating process, the stable rotation of the adapter piece is proved, the sealing performance between the adapter piece and the conveying piece is improved, meanwhile, the abrasion between the adapter piece and the conveying piece is reduced, and the driving piece and the adapter piece are convenient to disassemble and assemble.

Drawings

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

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

Fig. 3 is a schematic structural view of the spraying device of the present invention.

Fig. 4 is a schematic structural diagram of the spraying device of the present invention without containing a box.

Fig. 5 is a sectional view of the structure of the spray device of fig. 3.

Fig. 6 is an enlarged view at B in fig. 5.

Fig. 7 is a cross-sectional view at C-C in fig. 5.

Fig. 8 is a view showing a moving path of the circumference of the spray nozzle of the present invention.

In the figure: 1. a controller, 2, a position sensor, 3, an injection piece, 31, an injection pipe, 311, an embedding part, 312, a spherical ring groove, 32, an injection head, 321, an injection inlet, 3211, a first port, 3212, a second port, 3213, a third port, 322, an injection port, 33, an inner sealing cover, 34, an outer sealing cover, 35, an injection nozzle, 36, a connecting shaft, 37, a small servo motor, 4, an adapter, 41, an adapter, 42, an adapter pipe, 43, an adapter ring disc, 44, an adapter ring table, 441, a sealing ring table, 442, a sealing ring table, 431, an inner connecting tooth, 5, a conveying piece, 51, a conveying head, 511, a clamping groove, 52, a conveying pipe, 53, a supporting ring disc, 6, a driving piece, 61, an accommodating box, 62, a driving bearing, 621, a bevel gear, 622, an outer connecting tooth, 63, a large servo motor, 64, a bevel gear, 7, a first elastic seal sleeve, 8, an elastic seal sleeve, 9, a seal ring, 10. a second sealing ring 11, a clamping cover 12 and a bracket.

Detailed Description

The technical solutions in the implementation of the present invention will be made clear and fully described below with reference to the accompanying drawings, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 8, in order to improve the flexibility of the spray nozzle 35 of the agricultural spray device, the agricultural spray device provided with the spray member 3 with the spray nozzle 35 capable of rotating up and down is provided, with reference to fig. 1 and 2, the spray member 3 comprises a horizontally arranged spray pipe 31, one end of the spray pipe 31 is provided with an embedding part 311 with a spherical structure, an inner cavity of the embedding part 311 is embedded with a spray head 32 with a spherical structure in a sealing and rotating manner, a spray inlet 321 communicated with the spray pipe 31 and a spray outlet 322 communicated with the spray inlet 321 are arranged in the spray head 32, the spray outlet 322 of the spray head 32 is coaxially and fixedly communicated with the spray nozzle 35, the spray nozzle 35 is fixedly connected with an inner sealing cover 33 and an outer sealing cover 34 which are coaxially arranged and matched with the embedding part 311, the embedding part 311 is provided with a ball ring groove 312 matched with the embedding part 311, the inner sealing cover 33 is embedded in the ball ring groove 312 in a sealing manner and rotates in the ball ring groove 312, the inner spherical surface of the outer sealing cover 34 is tightly contacted with the outer spherical surface of the embedding part 311 in a sealing and rotating manner, the embedding part 311 is rotatably provided with a connecting shaft 36, the connecting shaft 36 is respectively and fixedly connected with the injection head 32, the inner sealing cover 33 and the outer sealing cover 34, the spherical centers of the embedding part 311, the injection head 32, the inner sealing cover 33 and the outer sealing cover 34 are positioned on the axis of the connecting shaft 36, the axis of the injection nozzle 35 and the axis of the injection pipe 31 are vertical to the axis of the connecting shaft 36, the axis of the injection pipe 31 and the axis of the connecting shaft 36 are positioned in the same horizontal plane, one of the connecting shaft 36 is fixedly connected with the output end of the small servo motor 37, the small servo motor 37 is fixed through the bracket 12, the bracket 12 is arranged on the injection pipe 31, the small servo motor 37 is controlled by the controller 1, the small servo motor 37 drives the small servo motor 36 to rotate, the spraying head 32, the inner sealing cover 33 and the outer sealing cover 34 rotate synchronously, the spraying nozzle 35 rotates obliquely upwards or obliquely downwards along the axis of the connecting shaft 36, the spraying range can be controlled according to the irrigated area range, the spraying device is suitable for the terrain of various agricultural land, the spraying device has good flexibility, the waste of water, fertilizer and the like can be reduced when water, fertilizer and the like needed by crops can be complemented, and the irrigation is uniform.

According to a further technical scheme of the present invention, with reference to fig. 2, in order to further improve the uniformity of irrigation, the spraying inlet 321 includes a first port 3211 and a second port 3212 disposed above the spraying outlet 322 and a third port 3213 disposed below the spraying outlet 322, and the volume of the third port 3213 is smaller than the volume of the second port 3212 and larger than the volume of the first port 3211; when the spray nozzle 35 rotates obliquely upwards at the highest position, the first port 3211 and the second port 3212 are completely communicated with the spray pipe 31, the third port 3213 is blocked in the inner cavity of the embedding part 311, the spray distance of the spray nozzle 35 is farthest, the water quantity is also the largest, in the process of spraying at the farthest position, the farthest area is irrigated with more water, the area closer to the spray point is sprayed with less water, therefore, the small servo motor 37 is started to drive the spray nozzle 35 to rotate, the spray nozzle 35 gradually rotates downwards until the spray nozzle 35 is positioned at the position where the spray pipe 31 is coaxial with the spray pipe 31, the second port 3212 is completely communicated with the spray pipe 31, the third port 3213 is always blocked in the inner cavity of the embedding part 311, and the first port 3211 is gradually blocked in the inner cavity of the embedding part 311 until the first port 3211 is completely blocked in the inner cavity of the embedding part 311 when the spray nozzle 35 is coaxial with the spray pipe 31; the spraying nozzle 35 continues to rotate downwards gradually until the spraying nozzle 35 is at the lowest position, the first port 3211 is always blocked in the inner cavity of the embedding part 311, the second port 3212 is gradually blocked in the inner cavity of the embedding part 311 until half of the second port 3212 is blocked in the inner cavity of the embedding part 311, the third port 3213 starts to be gradually communicated with the spraying pipe 31 until the spraying nozzle 35 is at the lowest position, the second port 3212 is completely blocked in the inner cavity of the embedding part 311, the third port 3213 is completely communicated with the spraying pipe 31, and therefore the uniform irrigation in the spraying area is achieved.

According to a further technical scheme of the invention, liquid overflow of the injection pipe 31 is prevented, the matched elastic sealing sleeve I7 is arranged between the embedding part 311 and the injection head 32, the liquid overflow is further prevented, the sealing performance between the inner sealing cover 33 and the injection head 32 is enhanced, the cross section of the elastic sealing sleeve I7 is in a U-shaped structure, the inner cavity of the U-shaped structure of the elastic sealing sleeve I7 faces the embedding part 311, one end opening part of the inner cavity of the U-shaped structure of the elastic sealing sleeve I7 is fixedly connected with the embedding part 311, the other end opening part of the inner cavity of the U-shaped structure of the elastic sealing sleeve I7 is fixedly connected with the inner edge of the inner sealing cover 33, the bottom end of the inner cavity of the U-shaped structure of the elastic sealing sleeve I7 is fixedly connected with the injection head 32, and when the injection nozzle 35 rotates obliquely upwards along the axial lead of the connecting shaft 36, the upper part of the elastic sealing sleeve I7, which is close to the injection head 32, can be curled, The lower part is stretched, the upper part of the elastic sealing sleeve I7 close to the inner sealing cover 33 is stretched, the lower part can be curled, when the spray nozzle 35 rotates obliquely downwards along the axis of the connecting shaft 36, the stretching and curling are opposite, the stretching force of the stretching part of the elastic sealing sleeve I7 close to the spray head 32 is reduced by the curling part of the elastic sealing sleeve I7 close to the inner sealing cover 33, the stretching force of the stretching part of the elastic sealing sleeve I7 close to the spray head 32 is reduced by the curling part of the elastic sealing sleeve I7 close to the spray head 32, the sealing performance is improved, and meanwhile, the service life of the elastic sealing sleeve I7 is prolonged.

In order to prevent external impurities from entering the outer sealing cover 34 to influence the rotation of the inner part and further improve the sealing performance of the outer sealing cover 34 and the embedding part 311, a matched elastic sealing sleeve II 8 is arranged between the embedding part 311 and the outer sealing cover 34, the cross section of the elastic sealing sleeve II 8 is in an L-shaped structure, one end of the elastic sealing sleeve II 8 is fixedly connected with the embedding part 311, the other end is fixedly connected with the central part of the outer sealing cover 34, when the injection nozzle 35 rotates obliquely upwards along the axial lead of the connecting shaft 36, the upper part of the elastic sealing sleeve II 8 can be curled, the lower part is stretched, when the injection nozzle 35 rotates downwards along the axial lead of the connecting shaft 36, stretching and curling are opposite, the elastic sealing sleeve II 8 is stretched, the cross section of the elastic sealing sleeve II 8 is in an L-shaped structure and can deform towards the I-shaped structure, the overall tensioning force is reduced, and the service life of the elastic sealing sleeve can be prolonged.

In another embodiment of the present invention, with reference to fig. 3 to 8, in order to arrange the minimum spraying points on the agricultural land for irrigation and expand the spraying range of the spraying points, the spraying device further includes an adaptor 4, a conveying member 5 and a driving member 6, wherein a plurality of spraying members 3 are uniformly circumferentially mounted on the adaptor 4, i.e. a plurality of spraying pipes 31 are uniformly circumferentially mounted on the adaptor 4, the adaptor 4 is mounted on the conveying member 5, the driving member 6 drives the adaptor 4 to rotate on the conveying member 5, the driving member 6 is mounted on the conveying member 5, the driving member 6 is controlled by the controller 1, the controller 1 is mounted on the driving member 6, the driving member 6 is further mounted with a position sensor 2 for receiving and feeding back signals of the spraying pipes 31, the position sensor is controlled by the controller 1, when the position sensor 2 receives an initial spraying pipe 31, the signals are fed back to the controller 1, the controller 1 controls the small servo motor 37 to work, the spray nozzle 35 is adjusted to the highest position so as to spray the boundary of the irrigation area of the device, then the spray nozzle 35 starts spraying water, the controller 1 controls the driving piece 6 to work to drive the adaptor 4 to rotate, the small servo motor 37 drives the spray nozzle 35 to rotate downwards, when the position sensor senses 2 and receives the initial spray pipe 31 for the second time, the position sensor feeds back the initial spray pipe to the controller 1 again, the spray nozzle 35 stops spraying, irrigation of an area is completed, and the moving path of the circumference of the spray nozzle is shown as a solid line in fig. 8; and because most agricultural land for irrigation is square or rectangular, the position sensor is arranged on the connecting line of the spraying point and one corner of the agricultural land during installation, so that the spraying pipe 31 can be sprayed on the corner of the agricultural land during initial spraying, and the agricultural land for irrigation is more uniform. The controller 1 is a prior art, and the specific structure thereof is not important to protect, so the present invention is not described.

The irrigation device is characterized in that irrigation is better carried out according to the requirements of the terrain, geology or crops of agricultural land on water, the irrigation is uniform, 3-6 spraying pieces 3 can be arranged, wherein 4 spraying pieces 3 are more suitable for the land of a square or rectangular area, and the illustration of the attached drawings of the application shows an embodiment of the spraying device comprising 4 spraying pieces 3.

According to a further technical scheme, the adapter 4 comprises an adapter 41 in a spherical structure, an adapter tube 42 and an adapter ring disc 43 which are vertically arranged, the top end of the adapter tube 42 is fixedly communicated with the adapter 41, the bottom of the adapter tube 42 is fixedly connected with the adapter ring disc 43, an adapter ring table 44 which is coaxially arranged with the adapter tube 42 is arranged in the adapter 41, inner connecting teeth 431 are arranged on the inner circumferential surface of the adapter ring disc 43, and the adapter 41 is communicated with the injection tube 31.

According to a further technical scheme of the invention, the conveying piece 5 comprises a conveying head 51, a conveying pipe 52 and a supporting ring disc 53 which are coaxially arranged, the conveying head 51 is fixedly communicated with the conveying pipe 52, the conveying head 51 is sealed and rotatably clamped on the adapter table, the conveying pipe 52 is sealed and rotatably connected with the adapter pipe 42, the supporting ring disc 53 is fixedly arranged at the corresponding position of the conveying pipe 52 and the bottom end of the adapter pipe 42, and the supporting ring disc 53 is coaxially and rotatably connected with the adapter ring disc 43 and the adapter pipe 42 respectively.

According to the further technical scheme, in order to further improve the sealing performance between the conveying piece 5 and the rotating piece, the conveying head 51 is provided with a clamping groove 511, the notch of the clamping groove 511 is rotatably abutted to a sealing ring platform 442, the bottom of the clamping groove 511 is rotatably abutted to a sealing ring platform 441, the transverse inclined plane of the bottom of the clamping groove 511 and the transverse inclined plane of the sealing ring platform 441 are both in an arc structure, the sealing ring platform 441 is fixedly installed at the top end of the adapter ring platform 44, the adapter ring platform is fixedly installed on the adapter ring platform 44, a sealing ring I9 is arranged between the sealing ring platform 441 and the adapter ring platform in the clamping groove 511, the sealing performance is good, water is prevented from entering the adapter tube 42, the sealing ring I9 is fixedly installed in the clamping groove 511, and the sealing performance between the conveying head 51 and the adapter ring platform 44 is further improved; the first sealing groove is formed in the face, opposite to the adapter tube 42, of the carrier ring disc 53, the second sealing groove corresponding to the first sealing groove is formed in the adapter tube 42, a second sealing ring 10 is arranged between the first sealing groove and the second sealing groove, and the second sealing ring 10 is fixedly installed in the second sealing groove, so that the sealing performance between the adapter tube 42 and the carrier ring disc 53 is improved, and a good sealing effect is achieved between the conveying piece 5 and the rotating piece.

The invention further adopts the technical scheme that the driving part 6 comprises a containing box 61 fixed on the conveying pipe 52, a driving bearing 62 and a large servo motor 63 are arranged in the containing box 61, the driving bearing 62 and the conveying pipe 52 are coaxially arranged and are positioned right below the tray ring disc 53, the inner circumferential surface of the driving bearing 62 is fixedly connected with the outer circumferential surface of the conveying pipe 52, the top of the driving bearing 62 is provided with external teeth 622, the bottom of the driving bearing 62 is provided with a helical gear 621, the external teeth 622 and the helical gear 621 are arranged on the outer circumferential surface of the driving bearing 62 and synchronously rotate, the output end of the large servo motor 63 is fixedly connected with a bevel gear 64 through a rotating shaft, the driving bearing 62 has a supporting function and also has the purpose of driving the adapter disc to rotate, the helical gear 621 on the driving bearing is meshed with the bevel gear 64, when the helical gear 621 rotates along with the rotation of the bevel gear 64, the helical gear 621 is ensured that the helical gear 621 does not deviate in the rotating process and drives the external teeth 622 to synchronously rotate, connect tooth 431 in the seamless block of external tooth 622 on it, drive bearing 62 and adapter ring dish 43 fixed connection, external tooth 622 drives adapter ring dish 43 synchronous rotation, can make adapter ring dish 43 rotate the process and can not take place the skew, and then guarantee the stable rotation of adaptor 4, further improve the leakproofness between adaptor 4 and the transport piece 5, reduce the wearing and tearing between adaptor 4 and the transport piece 5 simultaneously, also make things convenient for the dismouting of driving piece 6 and adaptor 4 like this, big servo motor 63 passes through 1 control of controller, controller 1, the position inductor is installed on holding box 61.

In a further technical scheme of the invention, in order to ensure that the connection between the adaptor 4 and the driving member 6 is more stable, the accommodating box 61 is fixedly provided with the clamping cover 11, and the inner circumferential surface of the clamping cover 11 is in rotational abutting joint with the outer circumferential surface of the adaptor ring disc 43, so that the phenomenon that the external teeth 622 and the internal teeth 431 slide relatively can be further prevented.

The working process of the spraying device comprises the steps that the controller 1 is started, the controller 1 controls the position sensor and the large servo motor 63, the large servo motor 63 drives the bevel gear 64 to rotate, the bevel gear 621 of the driving bearing 62 rotates along with the bevel gear, the external tooth 622 rotates along with the bevel gear, the adapter disc rotates along with the rotation of the external gear, the adapter 41 rotates along with the rotation of the adapter 41, the spraying pipes 31 rotate along with the rotation of the adapter 41, one spraying pipe 31 is sensed by the position sensor 2 and received, the spraying pipe 31 serves as an initial spraying pipe 31 and is fed back to the controller 1, the controller 1 controls the small servo motor 37 to work to adjust the spraying nozzle 35 to the highest position, then the spraying nozzle 35 starts to spray water, the spraying nozzle 35 can spray water to the boundary of an irrigation area at the highest position, the small servo motor 37 drives the spraying head 32, the inner sealing cover 33 and the outer sealing cover 34 to rotate from top to bottom, and the spraying nozzle 35 rotates downwards, the water quantity is gradually reduced, the spraying floor point is gradually close to the spraying point from the boundary, the water quantity of the irrigation area from the boundary to the spraying point is uniform, the irrigation is uniform, meanwhile, the large servo motor 63 drives the spraying pipe 31 to rotate along with the adapter 4, the spraying nozzle 35 does circular motion along with the spraying pipe 31, the irrigation range is large, the arrangement of the spraying points on the agricultural floor is reduced or the moving times of the movable irrigation equipment are reduced, and the irrigation effect is good; meanwhile, the controller 1 can be used for controlling and carrying out independent irrigation on a certain dry area; therefore, the spraying device has high flexibility, large spraying range and uniform irrigation.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an injection apparatus for agricultural, its characterized in that, includes the injection piece, the injection piece includes the injection line of level arrangement, is the injector head of spherical structure, can tilting jet nozzle, interior closing cap and outer closing cap, the one end of injection line sets up to be the dress of spherical structure and inlays the portion, be provided with the ball ring groove that matches with dress inlay portion in the dress portion, be provided with the mouth and the spout of spouting of intercommunication in the injector head, the sealed rotation of injector head inlays the inner chamber of dress portion, spout mouth and injection line intercommunication, the spout communicates with the coaxial fixed of injector nozzle, interior closing cap, outer closing cap and the coaxial fixed connection of injector nozzle, and the sealed rotation of interior closing cap inlays the dress in the ball ring groove, and the interior sphere of outer closing cap and the outer sphere of dress portion rotate and support tightly, injector head, interior closing cap, outer closing cap fixed connection are on the connecting axle, the connecting axle rotates with dress inlay part to be connected, and the centre of sphere of dress inlay part, injector head, interior closing cap, outer closing cap is located the axis of connecting axle, the axial lead of injection nozzle, injection pipe all is perpendicular with the axial lead of connecting axle, and the axial lead of injection nozzle and injection pipe establish in same vertical plane, the axial lead of injection pipe and the axial lead of connecting axle establish in same horizontal plane, the connecting axle rotates through little servo motor drive, little servo motor fixes on the bracket, the bracket is installed on the injection pipe.

2. The agricultural spraying device according to claim 1, wherein the spraying port comprises a first port and a second port arranged above the spraying port and a third port arranged below the spraying port, and the volume of the third port is smaller than that of the second port and larger than that of the first port; when the spray nozzle rotates from the highest position to the position where the spray nozzle and the spray pipe are coaxially arranged, the second port is always completely communicated with the spray pipe, and the first port is firstly completely communicated with the spray pipe and then gradually blocked by the embedding part; when the injection nozzle rotates to the lowest position from the position that injection nozzle and injection pipe were arranged to the axle, first opening communicates with the injection pipe completely all the time, second opening is gradually blocked by the dress inlay portion, and when half to second opening is blocked, third opening communicates with the injection pipe gradually, and when second opening is completely blocked by the dress inlay portion, third opening communicates with the injection pipe completely.

3. The agricultural spraying device as claimed in claim 1, wherein a first elastic sealing sleeve is arranged between the embedding part and the spraying head, the cross section of the first elastic sealing sleeve is of a U-shaped structure, the inner cavity of the U-shaped structure faces the embedding part, one end opening part of the inner cavity of the U-shaped structure of the first elastic sealing sleeve is fixedly connected with the embedding part, the other end opening part of the inner cavity of the U-shaped structure of the first elastic sealing sleeve is fixedly connected with the inner edge of the inner sealing cover, and the bottom end part of the inner cavity of the U-shaped structure of the first elastic sealing sleeve is fixedly connected with the spraying head.

4. The agricultural injection device of claim 1, wherein a second elastic sealing sleeve is arranged between the embedding part and the outer sealing cover, the cross section of the second elastic sealing sleeve is of an L-shaped structure, and two ends of the second elastic sealing sleeve are fixedly connected with the central part and the embedding part of the outer sealing cover respectively.

5. The agricultural spraying device as claimed in claim 1, further comprising an adaptor, a conveying member and a driving member, wherein the adaptor is rotatably mounted on the conveying member, the driving member is fixedly mounted on the conveying member, the adaptor is driven by the driving member to rotate, a plurality of spraying members are uniformly circumferentially mounted on the adaptor, a position sensor is mounted on the driving member for sensing, the driving member and the position sensor are controlled by a controller, and the controller is mounted on the driving member.

6. The agricultural spraying device according to claim 5, wherein the adaptor comprises an adaptor in a spherical structure, a vertically arranged adaptor pipe and an adaptor ring disc, the adaptor is fixedly communicated with the spraying pipe, the top end of the adaptor pipe is fixedly communicated with the adaptor, the bottom of the adaptor pipe is fixedly connected with the adaptor ring disc, an adaptor ring table is arranged inside the adaptor and is coaxial with the adaptor pipe, and inner connecting teeth are arranged on the inner circumferential surface of the adaptor ring disc.

7. The agricultural spraying device according to claim 5, wherein the conveying member comprises a conveying head, a conveying pipe and a supporting ring disc which are coaxially arranged, the conveying head is sealed and rotatably clamped on the adapter, the top end of the conveying pipe is fixedly communicated with the conveying head, the conveying pipe is fixedly connected with the supporting ring disc at a position corresponding to the bottom end of the adapter pipe, the conveying pipe is sealed and rotatably connected with the adapter pipe, and the supporting ring disc is coaxially and rotatably connected with the adapter ring disc and the adapter pipe respectively.

8. The agricultural spraying device according to claim 7, wherein a clamping groove is formed in the delivery head, a notch of the clamping groove is rotatably abutted against the sealing ring platform, a groove bottom of the clamping groove is rotatably abutted against the sealing ring platform, a transverse inclined plane of the groove bottom of the clamping groove and a transverse inclined plane of the sealing ring platform are both in an arc-shaped structure, the sealing ring platform is fixedly installed at the top end of the adapter ring platform, the sealing ring platform is fixedly installed on the adapter ring platform, a first sealing ring is arranged between the sealing ring platform and the sealing ring platform in the clamping groove, and the first sealing ring is fixedly installed in the clamping groove;

9. The agricultural injection device of claim 7, wherein the driving member comprises a receiving box fixed on the conveying pipe, a driving bearing and a large servo motor are arranged in the receiving box, the driving bearing is positioned right below the carrier ring plate, the inner circumferential surface of the driving bearing is coaxially and fixedly connected with the outer circumferential surface of the conveying pipe, external teeth are arranged at the top of the outer circumferential surface of the driving bearing, a helical gear is arranged at the bottom of the outer circumferential surface of the driving bearing, the output end of the large servo motor is fixedly connected with a bevel gear through a rotating shaft, the helical gear is meshed with the bevel gear, the external teeth are seamlessly clamped with the internal teeth, the large servo motor is controlled through a controller, and the controller and a position sensor are installed on the receiving box; the accommodating box is fixedly provided with a clamping cover, and the inner circumferential surface of the clamping cover is in rotary butt joint with the outer circumferential surface of the adapter ring disc.

10. An agricultural spraying device according to claim 5, wherein the number of the spraying members is 3 to 6.