A duckbill sprinkler system

Abstract

The embodiment of the present application provides a duckbill sprinkler system, which relates to the technical field of sprinkler devices. The duckbill sprinkler system includes: a water spraying mechanism, a vehicle beam connection fixing seat and a pitch angle adjustment mechanism. The water spraying mechanism includes a duckbill sprinkler, a rotating assembly, a connecting hose and a pressure control valve. The duckbill sprinkler is connected to the output port at the bottom of the rotating assembly, one end of the connecting hose is connected to the input port at the top of the rotating assembly, the pressure control valve is installed on the outside of the connecting hose, and the vehicle beam connection fixing seat is arranged on one side of the rotating assembly. The first reduction motor in the pitch angle adjustment mechanism drives the support vertical plate to rotate and adjust, that is, drives the support horizontal plate on one side of the support vertical plate, the rotating assembly and the duckbill sprinkler to rotate, thereby adjusting the pitch angle of the duckbill sprinkler, so that the duckbill sprinkler changes the pitch angle under mechanical adjustment, which can be used to push the side ditch and clean the middle yellow line of the road.

Description

Technical Field

[0001] The present application relates to the technical field of sprinkler devices, and in particular to a duckbill sprinkler system. Background Art

[0002] With the advancement of science and technology and the improvement of people's living standards, sanitation operations have gradually become mechanized. Sprinklers have undergone several generations of updates, and the watering and flushing methods still follow the previous fixed operation mode. Although it provides convenience for operators to a certain extent, the relevant technologies and operation methods have the following shortcomings: At present, the front duckbill nozzles of sprinkler trucks are mainly used in the front line of sanitation production to push side ditches, clean the middle yellow line of the road, push and wash the leaves on the sidewalk, and clean the white line under the guardrail. During use, the angle of the duckbill needs to be manually adjusted for each different working condition. Although there are rotatable duckbill nozzles, such duckbill nozzles can only rotate and cannot pitch to adjust the water outlet direction, which brings inconvenience to the cleaning staff under different working conditions. Summary of the invention

[0003] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a duckbill nozzle system to solve the problem that the angle of the duckbill needs to be manually adjusted for each different working condition during use. Although there are currently rotatable duckbill nozzles, such duckbill nozzles can only rotate but cannot pitch to adjust the water outlet direction.

[0004] A duckbill nozzle system according to an embodiment of the present application includes: a water spraying mechanism, a vehicle beam connecting fixing seat and a pitch angle adjustment mechanism.

[0005] The water spraying mechanism includes a duckbill nozzle, a rotating assembly, a connecting hose and a pressure control valve, the duckbill nozzle is connected to the output port at the bottom end of the rotating assembly, one end of the connecting hose is connected to the input port at the top end of the rotating assembly, the pressure control valve is installed on the outside of the connecting hose, the vehicle beam connecting fixing seat is arranged on one side of the rotating assembly, the pitch angle adjustment mechanism includes a first reduction motor, a supporting cross plate and a supporting vertical plate, the supporting cross plate is fixedly sleeved on the outside of the rotating assembly, the supporting vertical plate is fixedly arranged on one side of the supporting cross plate, the first reduction motor is installed on the side of the vehicle beam connecting fixing seat away from the rotating assembly, the output shaft end of the first reduction motor movably passes through the vehicle beam connecting fixing seat, and the output shaft end of the first reduction motor is connected to the supporting vertical plate.

[0006] In some embodiments of the present application, the rotating assembly includes a first connecting pipe head, a second connecting pipe head, a first rotation adjustment pipe fitting, a second rotation adjustment pipe fitting and a third rotation adjustment pipe fitting, the bottom end of the first connecting pipe head is connected to the top end of the first rotation adjustment pipe fitting, the top end of the first connecting pipe head is connected to one end of the connecting hose, the top end of the second connecting pipe head is connected to the bottom end of the third rotation adjustment pipe fitting, the second connecting pipe head is connected to the duckbill nozzle, and the two ends of the second rotation adjustment pipe fitting are respectively connected to the first rotation adjustment pipe fitting and the third rotation adjustment pipe fitting.

[0007] In some embodiments of the present application, the first rotation adjustment tube includes a first drive motor, a first gear and a first ring gear, the first drive motor is installed on the outer wall of the first connecting pipe head, the first gear is fixedly sleeved on the output shaft end of the first drive motor, and the first ring gear is fixedly sleeved on the outside of the second rotation adjustment tube.

[0008] In some embodiments of the present application, the second rotation adjustment pipe fitting includes a first connecting sleeve, a second drive motor, a second gear and a second ring gear, the first ring gear is fixedly sleeved on the top of the first connecting sleeve, and the first ring gear is meshed with the first gear, the second drive motor is installed on the outside of the first connecting sleeve, the second gear is fixedly sleeved on the output shaft end of the second drive motor, the second ring gear is fixedly sleeved on the outside of the third rotation adjustment pipe fitting, and the top of the first connecting sleeve is movably connected to the bottom end of the first connecting pipe head.

[0009] In some embodiments of the present application, the third rotation adjustment pipe fitting includes a second connecting sleeve, a third drive motor, a third gear and a third ring gear, the second ring gear is fixedly sleeved on the outside of the second connecting sleeve, the second ring gear is meshed with the second gear, the third drive motor is installed on the outside of the second connecting sleeve, the third gear is fixedly sleeved on the output shaft end of the third drive motor, the third ring gear is fixedly sleeved on the top of the second connecting pipe head, and the third ring gear is meshed with the third gear, the top of the second connecting pipe head is movably connected to the bottom end of the second connecting sleeve, and the top of the second connecting sleeve is movably connected to the bottom end of the first connecting sleeve.

[0010] In some embodiments of the present application, a support member is installed on one side of the support vertical plate close to the support horizontal plate, and two groups of the support members are respectively arranged above and below the support horizontal plate, and one end of the support member is in contact with the vehicle beam connection fixing seat.

[0011] In some embodiments of the present application, the support member includes a threaded guide rod and an adjustment knob, the threaded guide rod movably passes through the support vertical plate, the adjustment knob is arranged on the side of the support vertical plate away from the support horizontal plate, and the adjustment knob is threadedly arranged on the outside of the threaded guide rod.

[0012] In some embodiments of the present application, a spring is sleeved on the outer side of one end of the threaded guide rod away from the vehicle beam connection fixing seat, and a limited end cover is fixedly provided on one end of the threaded guide rod away from the vehicle beam connection fixing seat.

[0013] In some embodiments of the present application, a ball is rollingly arranged at one end of the threaded guide rod close to the vehicle beam connection fixing seat, and the ball is in contact with the vehicle beam connection fixing seat.

[0014] In some embodiments of the present application, an annular groove is provided on one side of the beam connection fixing seat close to the supporting vertical plate, and the ball rolls inside the annular groove.

[0015] Although the pitch angle of the duckbill nozzle can be electrically adjusted when the duckbill nozzle system sprays water, and the spray angle of the duckbill nozzle can be adjusted, the size of the opening cannot be adjusted. Under different working conditions, if the water outlet is too large, it will cause a waste of water resources (for example, only a small-caliber nozzle is needed to clean the yellow line in the middle of the road), thereby increasing costs.

[0016] The duckbill nozzle system also includes a water outlet opening adjustment mechanism, which includes a driving assembly, a rotating shaft, a driving gear, an arc-shaped rack, a first support bar, a second support bar, a cover assembly and a sliding guide rod, wherein the rotating shaft is rotatably arranged on one side of the duckbill nozzle, the driving gear is fixedly sleeved on the outside of the rotating shaft, the driving assembly is installed on one side of the duckbill nozzle, and the driving assembly drives the rotating shaft to rotate, the first support bar and the second support bar are respectively arranged on both sides of the duckbill nozzle, and the cover assembly is respectively connected to the first support bar and the second support bar, the arc-shaped rack is installed on one side of the first support bar, and the arc-shaped rack is meshed with the driving gear, one end of the two sliding guide rods are respectively connected to the opposite side of the first support bar and the second support bar, strip slide grooves are arranged on both sides of the duckbill nozzle, and one end of the sliding guide rod is slidably arranged inside the strip slide groove.

[0017] In some embodiments of the present application, the driving assembly includes a second reduction motor, a fourth gear and a fifth gear, the fifth gear is fixedly sleeved on the rotating shaft, the second reduction motor is installed on one side of the duckbill nozzle, the fourth gear is fixedly sleeved on the outside of the output shaft end of the second reduction motor, and the fifth gear is meshed with the fourth gear.

[0018] The above-mentioned duckbill sprinkler system can adjust the pitch angle of the duckbill sprinkler and the diameter of the port, but cannot adjust the water spray gap at the nozzle of the duckbill sprinkler, so that the duckbill sprinkler is in a more optimal water spraying adjustment mode.

[0019] In some embodiments of the present application, the cover plate assembly includes a first cover plate, a second cover plate, a connecting cross bar, a first baffle, a second baffle, a first electric push rod and a second electric push rod, the first cover plate and the second cover plate are respectively connected to the first support bar and the second support bar, the two connecting cross bars are respectively fixedly connected to the two ends of the first cover plate and the second cover plate, and the connecting cross bar, the first cover plate and the second cover plate constitute a water outlet, the first baffle and the second baffle are respectively arranged on the side of the first cover plate and the second cover plate away from the duckbill nozzle, the first electric push rod and the second electric push rod are respectively installed on the side of the first cover plate and the second cover plate away from the duckbill nozzle, and the output rod ends of the first electric push rod and the second electric push rod are respectively connected to the first baffle and the second baffle.

[0020] In some embodiments of the present application, an inclined notch is provided on opposite sides of the first baffle and the second baffle.

[0021] In some embodiments of the present application, both ends of the first baffle plate and the second baffle plate are provided with movable and penetrating limiting rods, and both ends of the limiting rods are provided with limiting blocks.

[0022] The beneficial effect of the present application is that the present application obtains a duckbill nozzle system through the above design. When in use, the water in the water tank of the sprinkler truck passes through the connecting hose and the rotating assembly, and finally sprays out from the duckbill nozzle. The first reduction motor in the pitch angle adjustment mechanism drives the support vertical plate to rotate and adjust, that is, drives the support horizontal plate on one side of the support vertical plate and the rotating assembly and the duckbill nozzle to rotate, so as to adjust the pitch angle of the duckbill nozzle, so that the duckbill nozzle changes the pitch angle under mechanical adjustment, which can be used to push the side ditch, clean the yellow line in the middle of the road, push and wash the leaves on the sidewalk, clean the white line under the guardrail, etc.

[0023] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 is a schematic diagram of the structure of a duckbill nozzle system according to an embodiment of the present application;

[0026] Figure 2 is a schematic diagram of the structure of a water spray mechanism according to an embodiment of the present application;

[0027] Figure 3 is a schematic diagram of the structure of a rotating assembly according to an embodiment of the present application;

[0028] Figure 4 is a schematic diagram of the structure of the vehicle beam connection fixing seat according to an embodiment of the present application;

[0029] Figure 5 is a schematic diagram of the pitch angle adjustment mechanism structure according to an embodiment of the present application;

[0030] Figure 6 is a schematic diagram of the support structure according to an embodiment of the present application;

[0031] Figure 7 is a schematic diagram of the structure of the water outlet opening adjustment mechanism according to an embodiment of the present application;

[0032] Figure 8 It is a schematic diagram of the structure of a cover assembly according to an embodiment of the present application.

[0033] icon:

[0034] 10-water spray mechanism; 110-duckbill nozzle; 111-strip chute; 120-rotating assembly; 121-first connecting pipe head; 122-second connecting pipe head; 123-first rotation adjustment pipe; 1231-first drive motor; 1232-first gear; 1233-first gear ring; 124-second rotation adjustment pipe; 1241-first connecting sleeve; 1242-second drive motor; 1243-second gear; 1244-second gear ring; 125-third rotation adjustment pipe; 1251-second connecting sleeve; 1252-third drive motor; 1253-third gear; 1254-third gear ring; 130-connecting hose; 140-pressure control valve; 20-car beam connection fixing seat; 210-annular groove; 30-pitch angle adjustment mechanism; 310 -first reduction motor; 320-supporting horizontal plate; 330-supporting vertical plate; 340-supporting member; 341-threaded guide rod; 342-adjusting knob; 343-spring; 344-limiting end cover; 345-ball; 40-water outlet opening adjustment mechanism; 410-driving assembly; 411-second reduction motor; 412-fourth gear; 413-fifth gear; 420-rotating shaft; 430-driving gear; 440-arc rack; 450-first support bar; 460-second support bar; 470-cover assembly; 471-first cover; 472-second cover; 473-connecting cross bar; 474-water outlet; 475-first baffle; 476-second baffle; 477-first electric push rod; 478-second electric push rod; 479-limiting rod; 480-sliding guide rod. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0036] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0037] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0038] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0039] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0040] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0041] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0042] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0043] A duckbill nozzle system according to an embodiment of the present application is described below with reference to the accompanying drawings.

[0044] See also Figure 1-Figure 8According to an embodiment of the present application, a duckbill sprinkler system includes: a water spraying mechanism 10, a vehicle beam connecting fixing seat 20 and a pitch angle adjustment mechanism 30.

[0045] Among them, the vehicle beam connection fixing seat 20 and the pitch angle adjustment mechanism 30 cooperate to electrically adjust the pitch angle of the duckbill nozzle 110 in the water spray mechanism 10, so that the duckbill nozzle 110 has more adjustment angles and is more convenient and flexible to use.

[0046] See also Figure 2 The water spraying mechanism 10 includes a duckbill nozzle 110, a rotating assembly 120, a connecting hose 130 and a pressure control valve 140. The duckbill nozzle 110 is connected to the output port at the bottom of the rotating assembly 120, one end of the connecting hose 130 is connected to the input port at the top of the rotating assembly 120, and the pressure control valve 140 is installed outside the connecting hose 130. The water in the water tank of the sprinkler truck passes through the rotating assembly 120 through the connecting hose 130 and is finally sprayed out from the duckbill nozzle 110.

[0047] According to some embodiments of the present application, please refer to Figure 3 The rotating assembly 120 includes a first connecting pipe head 121, a second connecting pipe head 122, a first rotating adjustment pipe member 123, a second rotating adjustment pipe member 124 and a third rotating adjustment pipe member 125. The bottom end of the first connecting pipe head 121 is connected to the top end of the first rotating adjustment pipe member 123, the top end of the first connecting pipe head 121 is connected to one end of the connecting hose 130, the top end of the second connecting pipe head 122 is connected to the bottom end of the third rotating adjustment pipe member 125, the second connecting pipe head 122 is connected to the duckbill nozzle 110, and the two ends of the second rotating adjustment pipe member 124 are connected to the first rotating adjustment pipe member 123 and the third rotating adjustment pipe member 125 respectively. The first rotating adjustment pipe member 123, the second rotating adjustment pipe member 124 and the third rotating adjustment pipe member 125 can realize rotation adjustment respectively to increase the spraying angle of the duckbill nozzle 110.

[0048] In some embodiments of this application, please refer to Figure 3 The first rotating and adjusting pipe member 123 includes a first driving motor 1231, a first gear 1232 and a first gear ring 1233. The first driving motor 1231 is installed on the outer wall of the first connecting pipe head 121, the first gear 1232 is fixedly sleeved on the output shaft end of the first driving motor 1231, and the first gear ring 1233 is fixedly sleeved on the outside of the second rotating and adjusting pipe member 124. The first driving motor 1231 drives the first gear 1232 to rotate, and the cooperation between the first gear 1232 and the first gear ring 1233 ultimately drives the second rotating and adjusting pipe member 124 and the duckbill nozzle 110 at the bottom to rotate, thereby realizing the angle adjustment of the duckbill nozzle 110.

[0049] In some embodiments of this application, please refer to Figure 3 The second rotating and adjusting pipe member 124 includes a first connecting sleeve 1241, a second driving motor 1242, a second gear 1243 and a second gear ring 1244. The first gear ring 1233 is fixedly sleeved on the top of the first connecting sleeve 1241, and the first gear ring 1233 and the first gear 1232 are meshed, the second driving motor 1242 is installed on the outside of the first connecting sleeve 1241, the second gear 1243 is fixedly sleeved on the output shaft end of the second driving motor 1242, the second gear ring 1244 is fixedly sleeved on the outside of the third rotating and adjusting pipe member 125, and the top of the first connecting sleeve 1241 is movably connected to the bottom of the first connecting pipe head 121. That is, the rotating first gear ring 1233 can drive the first connecting sleeve 1241 to rotate; at the same time, the second drive motor 1242 can drive the second gear 1243 to rotate, and the rotating second gear 1243 drives the third rotating adjustment pipe 125 and the duckbill nozzle 110 at the bottom to rotate by cooperating with the second gear ring 1244, thereby realizing the angle adjustment of the duckbill nozzle 110.

[0050] In some embodiments of this application, please refer to Figure 3 The third rotating adjustment pipe member 125 includes a second connecting sleeve 1251, a third driving motor 1252, a third gear 1253 and a third gear ring 1254. The second gear ring 1244 is fixedly sleeved on the outside of the second connecting sleeve 1251, and the second gear ring 1244 is meshed with the second gear 1243. The third driving motor 1252 is installed on the outside of the second connecting sleeve 1251, and the third gear 1253 is fixedly sleeved on the output shaft end of the third driving motor 1252. The third gear ring 1254 is fixedly sleeved on the top of the second connecting pipe head 122, and the third gear ring 1254 is meshed with the third gear 1253. The top of the second connecting pipe head 122 is movably connected to the bottom of the second connecting sleeve 1251, and the top of the second connecting sleeve 1251 is movably connected to the bottom of the first connecting sleeve 1241. The rotating first gear ring 1233 can drive the first connecting sleeve 1241 to rotate, while the second gear ring 1244 can drive the second connecting sleeve 1251 to rotate, and the third drive motor 1252 can drive the third gear 1253 to rotate. The rotating third gear 1253 drives the second connecting pipe head 122 to rotate by cooperating with the third gear ring 1254, thereby realizing the angle adjustment of the duckbill nozzle 110.

[0051] It should be noted that the docking interface between the first connecting sleeve 1241 and the second connecting sleeve 1251, as well as the docking interface between the second connecting sleeve 1251 and the second connecting pipe head 122 are all set at an angle of 45°. It should be noted that the specific model specifications of the first drive motor 1231, the second drive motor 1242 and the third drive motor 1252 need to be selected and determined according to the actual specifications of the device, etc. The specific selection calculation method adopts the existing technology in this field, so it will not be described in detail. The first drive motor 1231, the second drive motor 1242 and the third drive motor 1252 are preferably powered by a mobile power supply. The power supply and principle of the first drive motor 1231, the second drive motor 1242 and the third drive motor 1252 are clear to those skilled in the art and will not be described in detail here.

[0052] See also Figure 4 The beam connection fixing seat 20 is arranged on one side of the rotating assembly 120; the beam connection fixing seat 20 is connected to the bottom bracket of the sprinkler truck, and is used to support and install the pitch angle adjustment mechanism 30 and the water spraying mechanism 10.

[0053] See also Figure 5 The pitch angle adjustment mechanism 30 includes a first reduction motor 310, a support horizontal plate 320 and a support vertical plate 330. The support horizontal plate 320 is fixedly sleeved on the outside of the rotating assembly 120, and the support vertical plate 330 is fixedly arranged on one side of the support horizontal plate 320, and the support vertical plate 330 and the support horizontal plate 320 are fixed by welding; the first reduction motor 310 is installed on the side of the vehicle beam connection fixing seat 20 away from the rotating assembly 120, and the output shaft end of the first reduction motor 310 is movable through the vehicle beam connection fixing seat 20, and the output shaft end of the first reduction motor 310 is connected to the support vertical plate 330; the output shaft end of the first reduction motor 310 and the support vertical plate 330 are fixed by bolts. The first reduction motor 310 in the pitch angle adjustment mechanism 30 drives the support vertical plate 330 to rotate and adjust, that is, drives the support horizontal plate 320 on one side of the support vertical plate 330 and the rotating assembly 120 and the duckbill nozzle 110 to rotate, thereby adjusting the pitch angle of the duckbill nozzle 110, so that the duckbill nozzle 110 changes the pitch angle under mechanical adjustment, which can be used to push the side ditch, clean the middle yellow line of the road, push and wash the leaves on the sidewalk, clean the white line under the guardrail, etc.

[0054] Among them, the pressure control valve 140 is used to adjust the water pressure inside the connecting hose 130. An AI smart camera can be set on the side of the sprinkler truck. After the AI ​​smart camera recognizes the working condition, the pressure can be controlled within the working pressure range of the required working condition through the output signal of the processing unit. A flow sensor can be set at the front end of the pressure control valve 140, which is mainly used to monitor and count water use information, and transmit the detected flow information to the processing unit through the wireless transmission unit. The system can be set and adjusted by the client, that is, the client is a mobile client or a computer client, and the processing unit realizes data transmission with the client through the wireless transmission unit, so that the user can remotely receive the working status of the system through the client, and can also modify the system action parameters through the client to change the water outlet pressure, direction, water outlet port gap, etc. The wireless transmission unit includes a wireless receiving unit and a wireless transmitting unit. The flow sensor, wireless receiving unit, wireless transmitting unit and processing unit are all mature existing technologies. The processing unit includes a program controller and a relay drive circuit. The relay drive circuit is a mature existing technology. The program controller is a commercially available product. The program controller outputs a signal to the relay drive circuit to control the operation of the relay and realize the forward and reverse rotation of the motor. After the AI ​​smart camera identifies the working area, it sends instructions to each execution motor through the processing unit at the same time.

[0055] It should be noted that the specific model specifications of the pressure control valve 140 and the first reduction motor 310 need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the field, so it will not be described in detail. The power supply and principle of the pressure control valve 140 and the first reduction motor 310 are clear to those skilled in the art and will not be described in detail here.

[0056] According to some embodiments of the present application, please refer to Figure 6 , a support member 340 is installed on the side of the support vertical plate 330 close to the support horizontal plate 320. Two groups of support members 340 are respectively arranged above and below the support horizontal plate 320, and one end of the support member 340 is in contact with the vehicle beam connection fixing seat 20. The support member 340 includes a threaded guide rod 341 and an adjustment knob 342. The threaded guide rod 341 movably penetrates the support vertical plate 330, and the adjustment knob 342 is arranged on the side of the support vertical plate 330 away from the support horizontal plate 320, and the adjustment knob 342 is screwed on the outside of the threaded guide rod 341. A spring 343 is sleeved on the outer side of the end of the threaded guide rod 341 away from the vehicle beam connection fixing seat 20, and a limited end cover 344 is fixedly arranged on the end of the threaded guide rod 341 away from the vehicle beam connection fixing seat 20. The threaded guide rod 341 in the support member 340 cooperates with the adjusting knob 342 to support the support vertical plate 330 on one side, that is, the supporting strength of the threaded guide rod 341 and the support vertical plate 330 can be adjusted by selecting the adjusting knob 342 .

[0057] For further information, see Figure 4 and Figure 6 A ball 345 is provided for rolling at one end of the threaded guide rod 341 close to the beam connection fixing seat 20, and the ball 345 contacts the beam connection fixing seat 20. An annular groove 210 is provided at one side of the beam connection fixing seat 20 close to the support vertical plate 330, and the ball 345 rolls inside the annular groove 210. The ball 345 can be used to reduce the friction between the threaded guide rod 341 and the beam connection fixing seat 20, and the annular groove 210 has a good limiting effect on the ball 345.

[0058] Although the duckbill nozzle system can electrically adjust the pitch angle of the duckbill nozzle 110 and adjust the spray angle of the duckbill nozzle 110 when spraying water, the duckbill nozzle 110 cannot adjust the size of the opening. Under different working conditions, if the water outlet is too large, it will cause a waste of water resources (for example, only a small-caliber nozzle is needed to clean the yellow line in the middle of the road), thereby increasing costs.

[0059] See also Figure 7 The duckbill nozzle system also includes a water outlet opening adjustment mechanism 40, which includes a driving assembly 410, a rotating shaft 420, a driving gear 430, an arc-shaped rack 440, a first support bar 450, a second support bar 460, a cover assembly 470 and a sliding guide rod 480. The rotating shaft 420 is rotatably arranged on one side of the duckbill nozzle 110, the driving gear 430 is fixedly sleeved on the outside of the rotating shaft 420, the driving assembly 410 is installed on one side of the duckbill nozzle 110, and the driving assembly 410 drives the rotating shaft 420 to rotate. The first support bar 450 and the second support bar 460 are respectively arranged on both sides of the duckbill nozzle 110, and the cover assembly 470 is respectively connected to the first support bar 450 and the second support bar 460. The arc-shaped rack 440 is installed on one side of the first support bar 450, and the arc-shaped rack 440 and the first support bar 450 are fixed by welding; and the arc-shaped rack 440 and the driving gear 430 are meshed. One end of the two sliding guide rods 480 is connected to the opposite side of the first support bar 450 and the second support bar 460, respectively, and the sliding guide rods 480 are fixed to the first support bar 450 and the second support bar 460 by welding; both sides of the duckbill nozzle 110 are provided with bar-shaped slide grooves 111, and one end of the sliding guide rods 480 is slidably arranged inside the bar-shaped slide grooves 111. The driving assembly 410 includes a second reduction motor 411, a fourth gear 412 and a fifth gear 413. The fifth gear 413 is fixedly sleeved on the rotating shaft 420, the second reduction motor 411 is installed on one side of the duckbill nozzle 110, the fourth gear 412 is fixedly sleeved on the outside of the output shaft end of the second reduction motor 411, and the fifth gear 413 is meshed with the fourth gear 412.

[0060] When cleaning the working area such as the yellow line in the middle of the road, the use of water can be saved by adjusting the aperture size of the duckbill nozzle 110. That is, the second reduction motor 411 in the driving component 410 drives the fourth gear 412 to rotate, and the fourth gear 412 and the fifth gear 413 are used to drive the rotating shaft 420 and the driving gear 430 to rotate, and then the driving gear 430 and the arc rack 440 are used to drive the arc rack 440 and the first support bar 450 to move, and the moving first support bar 450 drives the cover plate assembly 470 and the second support bar 460 to move, so that the cover plate assembly 470 moves at the port of the duckbill nozzle 110 to block and adjust the caliber size of the port of the duckbill nozzle 110; that is, the aperture of the port of the duckbill nozzle 110 can be reduced, that is, the spraying range of the port of the duckbill nozzle 110 can be adjusted; it is used to spray and clean the working area such as the yellow line in the middle of the road, effectively saving the use of water and cost. When the cover assembly 470 is moved and adjusted, the sliding guide rod 480 on the opposite side of the first support bar 450 and the second support bar 460 moves along the strip-shaped slide groove 111 on the side of the duckbill nozzle 110, thereby increasing the stability of the cover assembly 470 when moving.

[0061] It should be noted that the specific model and specifications of the second reduction motor 411 need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the field, so it will not be described in detail. The second reduction motor 411 is preferably powered by a mobile power supply. The power supply and principle of the second reduction motor 411 are clear to those skilled in the art and will not be described in detail here.

[0062] The above-mentioned duckbill sprinkler system can adjust the pitch angle of the duckbill sprinkler 110 and the diameter of the port, but cannot adjust the water spray gap at the nozzle of the duckbill sprinkler 110, so that the duckbill sprinkler 110 is in a better water spraying adjustment mode.

[0063] In some embodiments of this application, please refer to Figure 8The cover plate assembly 470 includes a first cover plate 471, a second cover plate 472, a connecting cross bar 473, a first baffle plate 475, a second baffle plate 476, a first electric push rod 477, and a second electric push rod 478. The first cover plate 471 and the second cover plate 472 are connected to the first support bar 450 and the second support bar 460 respectively, and the first cover plate 471 and the second cover plate 472 are fixed to the first support bar 450 and the second support bar 460 respectively by bolts; two connecting cross bars 473 are fixedly connected to the two ends of the first cover plate 471 and the second cover plate 472 respectively, and the connecting cross bars 473 are fixed to the first cover plate 471 and the second cover plate 472 respectively by welding; and the connecting cross bars 473, the first cover plate 471 and the second cover plate 472 form a water outlet 474. The first baffle 475 and the second baffle 476 are respectively arranged on the side of the first cover plate 471 and the second cover plate 472 away from the duckbill nozzle 110, the first electric push rod 477 and the second electric push rod 478 are respectively installed on the side of the first cover plate 471 and the second cover plate 472 away from the duckbill nozzle 110, and the output rod ends of the first electric push rod 477 and the second electric push rod 478 are respectively connected to the first baffle 475 and the second baffle 476.

[0064] Among them, the first cover plate 471 and the second cover plate 472 are in contact with one side of the nozzle of the duckbill nozzle 110. The first cover plate 471 and the second cover plate 472 can completely block the nozzle of the duckbill nozzle 110, and the water in the duckbill nozzle 110 can be sprayed out through the water outlet 474. When the port gap of the duckbill nozzle 110 needs to be adjusted for some working conditions, the first electric push rod 477 and the second electric push rod 478 are driven, and the output rod ends of the first electric push rod 477 and the second electric push rod 478 push the first baffle 475 and the second baffle 476 to move, so that the gap between the first baffle 475 and the second baffle 476 is adjusted, and the water source sprayed from the water outlet 474 is sprayed through the adjusted gap between the first baffle 475 and the second baffle 476, which can be used to increase the water spraying pressure of the duckbill nozzle 110; that is, when the pressure of the pressure control valve 140 is inconvenient, the water spraying pressure of the duckbill nozzle 110 can also be adjusted, so that the sprayed water can be sprayed farther at a wider width, which can be used in more working conditions; the duckbill nozzle 110 is provided with a water outlet opening adjustment mechanism 40, which can be adjusted as needed to achieve the best working state, greatly improve the working quality and further improve the working efficiency.

[0065] In some embodiments of this application, please refer to Figure 8The first baffle 475 and the second baffle 476 are both provided with inclined notches on the opposite side. The inclined notches are used to reduce the impact between the water outlet at the duckbill nozzle 110 and the first baffle 475 and the second baffle 476, and have a guiding function. Both ends of the first baffle 475 and the second baffle 476 are provided with movable and penetrating limit rods 479, and both ends of the limit rod 479 are provided with limit blocks. The limit rod 479 is used to limit the first baffle 475 and the second baffle 476 so that they can move stably during adjustment, and the limit blocks are used to limit the ends of the limit rod 479.

[0066] It should be noted that the specific model specifications of the first electric push rod 477 and the second electric push rod 478 need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the field, so it will not be described in detail. The first electric push rod 477 and the second electric push rod 478 are preferably powered by a mobile power supply. The power supply and principle of the first electric push rod 477 and the second electric push rod 478 are clear to those skilled in the art and will not be described in detail here.

[0067] The above description is only an embodiment of the present application and is not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0068] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A duckbill nozzle system, characterized in that: include: A water spray mechanism (10), the water spray mechanism (10) comprising a duckbill spray head (110), a rotating assembly (120), a connecting hose (130) and a pressure control valve (140), the duckbill spray head (110) being connected to an output port at the bottom end of the rotating assembly (120), one end of the connecting hose (130) being connected to an input port at the top end of the rotating assembly (120), and the pressure control valve (140) being installed outside the connecting hose (130); A vehicle beam connection fixing seat (20), wherein the vehicle beam connection fixing seat (20) is arranged on one side of the rotating assembly (120); A pitch angle adjustment mechanism (30), the pitch angle adjustment mechanism (30) comprising a first reduction motor (310), a support transverse plate (320) and a support vertical plate (330), the support transverse plate (320) being fixedly sleeved on the outside of the rotating assembly (120), the support vertical plate (330) being fixedly arranged on one side of the support transverse plate (320), the first reduction motor (310) being installed on a side of the vehicle beam connection fixing seat (20) away from the rotating assembly (120), the output shaft end of the first reduction motor (310) movably passing through the vehicle beam connection fixing seat (20), and the output shaft end of the first reduction motor (310) being connected to the support vertical plate (330); A support member (340) is installed on one side of the support vertical plate (330) close to the support horizontal plate (320), and two groups of the support members (340) are respectively arranged above and below the support horizontal plate (320), and one end of the support member (340) is in contact with the vehicle beam connection fixing seat (20); The support member (340) comprises a threaded guide rod (341) and an adjusting knob (342), wherein the threaded guide rod (341) movably penetrates the supporting vertical plate (330), and the adjusting knob (342) is arranged on a side of the supporting vertical plate (330) away from the supporting horizontal plate (320), and the adjusting knob (342) is threadedly arranged on the outside of the threaded guide rod (341); A spring (343) is sleeved on the outer side of one end of the threaded guide rod (341) away from the vehicle beam connection fixing seat (20), and a limited end cover (344) is fixedly provided on one end of the threaded guide rod (341) away from the vehicle beam connection fixing seat (20); A ball (345) is provided rollingly on one end of the threaded guide rod (341) close to the vehicle beam connection fixing seat (20), and the ball (345) is in contact with the vehicle beam connection fixing seat (20); An annular groove (210) is provided on one side of the beam connection fixing seat (20) close to the supporting upright plate (330), and the ball bearing (345) rolls inside the annular groove (210).

2. A duckbill nozzle system according to claim 1, characterized in that: The rotating assembly (120) comprises a first connecting pipe head (121), a second connecting pipe head (122), a first rotating adjustment pipe member (123), a second rotating adjustment pipe member (124) and a third rotating adjustment pipe member (125); the bottom end of the first connecting pipe head (121) is connected to the top end of the first rotating adjustment pipe member (123); the top end of the first connecting pipe head (121) is connected to one end of the connecting hose (130); the top end of the second connecting pipe head (122) is connected to the bottom end of the third rotating adjustment pipe member (125); the second connecting pipe head (122) is connected to the duckbill nozzle (110); and the two ends of the second rotating adjustment pipe member (124) are connected to the first rotating adjustment pipe member (123) and the third rotating adjustment pipe member (125) respectively.

3. A duckbill nozzle system according to claim 2, characterized in that: The first rotating and adjusting pipe member (123) comprises a first driving motor (1231), a first gear (1232) and a first gear ring (1233); the first driving motor (1231) is mounted on the outer wall of the first connecting pipe head (121); the first gear (1232) is fixedly sleeved on the output shaft end of the first driving motor (1231); and the first gear ring (1233) is fixedly sleeved on the outside of the second rotating and adjusting pipe member (124).

4. A duckbill nozzle system according to claim 3, characterized in that: The second rotation adjustment pipe member (124) comprises a first connecting sleeve (1241), a second driving motor (1242), a second gear (1243) and a second gear ring (1244); the first gear ring (1233) is fixedly sleeved on the top end of the first connecting sleeve (1241), and the first gear ring (1233) and the first gear (1232) are meshed with each other; the second driving motor (1242) is installed on the outside of the first connecting sleeve (1241); the second gear (1243) is fixedly sleeved on the output shaft end of the second driving motor (1242); the second gear ring (1244) is fixedly sleeved on the outside of the third rotation adjustment pipe member (125); and the top end of the first connecting sleeve (1241) is movably connected to the bottom end of the first connecting pipe head (121).

5. A duckbill nozzle system according to claim 4, characterized in that: The third rotation adjustment pipe member (125) comprises a second connecting sleeve (1251), a third driving motor (1252), a third gear (1253) and a third gear ring (1254); the second gear ring (1244) is fixedly sleeved on the outside of the second connecting sleeve (1251); the second gear ring (1244) is meshed with the second gear (1243); the third driving motor (1252) is installed on the outside of the second connecting sleeve (1251); the third gear (1253) is fixedly sleeved on the output shaft end of the third driving motor (1252), the third ring gear (1254) is fixedly sleeved on the top end of the second connecting pipe head (122), and the third ring gear (1254) is meshed with the third gear (1253), the top end of the second connecting pipe head (122) is movably connected to the bottom end of the second connecting sleeve (1251), and the top end of the second connecting sleeve (1251) is movably connected to the bottom end of the first connecting sleeve (1241).

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