A spray system and pure electric dust suppression vehicle suitable for dust suppression in multiple scenarios

Abstract

This invention relates to the field of dust suppression vehicle technology, specifically to a spray system and a pure electric dust suppression vehicle suitable for dust suppression in multiple scenarios. The spray system includes a spray chamber and a fan located at the end of the spray chamber. A fixed shaft is installed inside the spray chamber, and a main nozzle and a control valve are installed inside the fixed shaft. An installation pipe is installed at the end of the spray chamber away from the fan, and multiple auxiliary nozzles are installed on the installation pipe. The main nozzle and auxiliary nozzles cooperate with each other, and the sliding of the main nozzle and the angle adjustment of the auxiliary nozzles are linked by a transmission component. This allows the system to adapt to different spray volume requirements by sliding the main nozzle and adjusting the flow rate of the control valve, and also to change the coverage and direction of the spray by adjusting the angle of the auxiliary nozzles. This enables the system to flexibly respond to different dust suppression scenarios.

Description

Technical Field

[0001] This invention relates to the field of dust suppression vehicle technology, specifically to a spray system and a pure electric dust suppression vehicle suitable for dust suppression in multiple scenarios. Background Technology

[0002] In the field of dust suppression vehicle technology, to address the problem that the operating range of traditional dust suppression vehicles' fog cannons is limited by their own performance and the dust suppression effect is not ideal after parking, Chinese Patent Publication No. CN110258425B discloses a boom system for dust suppression vehicles, its control method, control system, and dust suppression vehicle. This prior art achieves flexible adjustment of the fog cannon height by designing a folding boom structure and multi-cylinder linkage drive, combined with an electro-hydraulic proportional control system and an angle detection unit. However, the aforementioned boom system for dust suppression vehicles still has significant shortcomings in the design and adaptability of the core spraying function, making it difficult to meet the needs of efficient and precise dust suppression in various scenarios. For example, it lacks the function of fine-tuning spray parameters and cannot adapt to different dust suppression scenarios. This system only expands the spray coverage range by adjusting the boom height, lacking a dynamic spray adjustment mechanism for environmental interference, resulting in poor dust suppression stability. Summary of the Invention

[0003] To address the aforementioned issues, a spray system and a pure electric dust suppression vehicle suitable for dust suppression in multiple scenarios are provided. The system uses a main nozzle and an auxiliary nozzle in conjunction, and a transmission component links the sliding of the main nozzle with the angle adjustment of the auxiliary nozzle. This allows the system to adapt to different spray volume requirements by adjusting the flow rate of the main nozzle and the control valve, and also to change the coverage and direction of the spray by adjusting the angle of the auxiliary nozzle. This enables the system to flexibly respond to different dust suppression scenarios.

[0004] To address the problems of existing technologies, this invention provides a spray system suitable for dust suppression in multiple scenarios, including a spray chamber and a fan disposed at the end of the spray chamber; a fixed shaft extending along the axial direction of the spray chamber is disposed inside the spray chamber, the fixed shaft having a hollow structure and used for communication with an external liquid supply device; a main nozzle that can slide along its axial direction and a control valve for controlling the flow rate of liquid supplied to the main nozzle by the external liquid supply device are disposed inside the fixed shaft; an annular mounting pipe coaxial with its axis is disposed at one end of the spray chamber away from the fan, and multiple auxiliary nozzles are disposed on the mounting pipe at equal intervals along the mounting pipe, and the auxiliary nozzles are rotatably disposed on the mounting pipe; a transmission assembly is disposed between the multiple auxiliary nozzles and the main nozzle, the transmission assembly being used to transmit the sliding power of the main nozzle to the auxiliary nozzles to drive the auxiliary nozzles to adjust their angle.

[0005] Preferably, the control valve includes a valve seat disposed within a fixed shaft and a valve core that can slide along the axial direction of the fixed shaft. A sliding cavity is provided at the end of the valve core away from the main nozzle. A drive rod is disposed within the fixed shaft and sleeved on the valve core. A first drive plate is disposed at the end of the drive rod away from the main nozzle and located inside the sliding cavity. The first drive plate slides in cooperation with the sliding cavity. A first elastic element is disposed at the end of the first drive plate and the sliding cavity near the main nozzle.

[0006] Preferably, a second drive plate is provided on the drive rod near the main nozzle, and a mounting plate matching the second drive plate is provided on the main nozzle near the motor. A second elastic element is provided between the mounting plate and the valve seat.

[0007] Preferably, a guide seat is also provided inside the fixed shaft, and a rotatable lead screw coaxial with the fixed shaft is provided on the guide seat. A drive rod is sleeved on the lead screw and threadedly engaged with it. A first rotary drive motor for driving the lead screw to rotate is provided at one end of the fixed shaft near the fan.

[0008] Preferably, the transmission assembly includes multiple connecting rods and multiple sliders. The number of connecting rods and sliders is the same as the number of auxiliary nozzles and corresponds one-to-one. The multiple sliders are arranged equidistantly around the axis of the spray cavity, and each slider is slidably disposed on the end of the spray cavity away from the blower along the axis of the spray cavity. The connecting rods are disposed between the corresponding sliders and auxiliary nozzles, and the two ends of the connecting rods are respectively hinged to the sliders and auxiliary nozzles. All sliders are drivenly connected to the main nozzle.

[0009] Preferably, a drive ring is provided on the side of the main nozzle near the auxiliary nozzle, and multiple fixing rods extending towards the main nozzle are provided on the drive ring. The multiple fixing rods are equidistantly arranged around the axis of the drive ring, and all sliders are connected to the drive ring for transmission.

[0010] Preferably, the drive ring is provided with a plurality of protrusions, the number of protrusions being the same as the number of sliders and corresponding one-to-one, and the sliders are provided with grooves that match the protrusions.

[0011] Preferably, a plurality of guide vanes are provided on the fixed shaft, and each guide vane is provided with a plurality of first guide teeth at equal intervals along its length direction.

[0012] Preferably, the fixed rod is provided with a plurality of second guide teeth at equal intervals along its length.

[0013] A pure electric dust suppression vehicle includes the aforementioned spray system suitable for dust suppression in multiple scenarios.

[0014] The advantages of this invention compared to the prior art are:

[0015] 1. This invention uses a main nozzle and an auxiliary nozzle in cooperation, and a transmission component to link the sliding of the main nozzle with the angle adjustment of the auxiliary nozzle. This allows the system to adapt to different spray volume requirements by adjusting the sliding of the main nozzle and the flow rate of the control valve, and also to change the coverage and direction of the spray by adjusting the angle of the auxiliary nozzle. This structure enables the system to flexibly respond to different dust suppression scenarios. Whether it is concentrated spraying or large-area diffusion spraying, the auxiliary nozzle can be adapted by adjusting the state of the main nozzle, thereby improving the applicability and operational flexibility of dust suppression in multiple scenarios.

[0016] 2. The first elastic element of the present invention allows the drive rod to continue moving after the valve core contacts the valve seat. Thus, even when the main nozzle is closed, the drive rod can still drive the auxiliary nozzle to adjust its angle. This allows the system to flexibly adjust the spray angle of the auxiliary nozzle when the main nozzle stops spraying, adapting to scenarios where only the auxiliary nozzle needs to work.

[0017] 3. In this invention, when the main nozzle slides along the axis of the fixed shaft, it drives multiple sliders to slide synchronously along the radial direction of the spray chamber. The sliding of the sliders transmits force through the connecting rods, pushing or pulling the auxiliary nozzles to rotate around their mounting points on the annular mounting tube. The corresponding connecting rods drive all auxiliary nozzles to adjust their rotation angles synchronously, ensuring that the spray direction of each auxiliary nozzle remains coordinated. This avoids power loss or lag during transmission, ensuring precise and controllable angle adjustment of individual auxiliary nozzles. The equidistant arrangement of multiple sliders ensures that all auxiliary nozzles move synchronously during adjustment, preventing angle deviations in some auxiliary nozzles and thus maintaining uniform spray coverage, making it suitable for dust suppression scenarios with high requirements for spray consistency. Attached Figure Description

[0018] Figure 1 A schematic diagram of the three-dimensional structure of a spray system and a pure electric dust suppression vehicle suitable for dust suppression in multiple scenarios. Figure 1 .

[0019] Figure 2 This is a front view of a spray system and a pure electric dust suppression vehicle suitable for dust suppression in multiple scenarios.

[0020] Figure 3 A schematic diagram of the three-dimensional structure of a spray system and a pure electric dust suppression vehicle suitable for dust suppression in multiple scenarios. Figure 2 .

[0021] Figure 4 A schematic diagram of the three-dimensional structure of the spray chamber in a dust suppression spray system suitable for multiple scenarios. Figure 1 .

[0022] Figure 5 A schematic diagram of the three-dimensional structure of the spray chamber in a dust suppression spray system suitable for multiple scenarios. Figure 2 .

[0023] Figure 6 This is a schematic diagram of the three-dimensional structure of a spray system suitable for dust suppression in multiple scenarios, including a drive rod, drive ring, mounting pipe, and multiple auxiliary nozzles. Figure 1 .

[0024] Figure 7 This is a schematic diagram of the three-dimensional structure of a spray system suitable for dust suppression in multiple scenarios, including a drive rod, drive ring, mounting pipe, and multiple auxiliary nozzles. Figure 2 .

[0025] Figure 8 This is a three-dimensional structural diagram of a drive rod and drive ring in a spray system suitable for dust suppression in multiple scenarios.

[0026] Figure 9 This is a schematic diagram of the cross-sectional structure of the spray chamber in a spray system suitable for dust suppression in multiple scenarios.

[0027] Figure 10 yes Figure 9 Enlarged view of point A in the middle.

[0028] Figure 11 This is a schematic diagram of the three-dimensional cross-sectional structure of the spray chamber in a spray system suitable for dust suppression in multiple scenarios.

[0029] Figure 12 A schematic diagram of the cross-sectional structure of the spray chamber in a spray system suitable for dust suppression in multiple scenarios. Figure 2 .

[0030] The following are the labels in the diagram: 1. Spray chamber; 11. Fan; 2. Fixed shaft; 21. Main nozzle; 211. Transmission assembly; 2111. Connecting rod; 2112. Slider; 21121. Slide groove; 212. Drive ring; 2121. Fixed rod; 2122. Protrusion; 22. Control valve; 221. Valve seat; 222. Valve core; 2221. Sliding chamber; 2222. First elastic element; 23. Mounting tube; 231. Secondary nozzle; 24. Drive rod; 241. First drive plate; 242. Second drive plate; 243. Mounting plate; 2431. Second elastic element; 25. Guide seat; 251. Lead screw; 26. First rotary drive motor; 27. Guide vane; 28. First guide tooth; 29. ​​Second guide tooth; 3. Dust suppression vehicle. Detailed Implementation

[0031] To further understand the features, technical means, and specific objectives and functions achieved by the present invention, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0032] like Figures 4 to 10As shown: A spray system suitable for dust suppression in multiple scenarios includes a spray chamber 1 and a fan 11 disposed at the end of the spray chamber 1; a fixed shaft 2 extending along the axial direction of the spray chamber 1 is disposed inside the spray chamber 1, the fixed shaft 2 is a hollow structure and is used to communicate with an external liquid supply device; a main nozzle 21 that can slide along its axial direction and a control valve 22 for controlling the liquid supply flow rate of the external liquid supply device to the main nozzle 21 are disposed inside the fixed shaft 2; an annular mounting pipe 23 coaxial with its axis is disposed at one end of the spray chamber 1 away from the fan 11, a plurality of auxiliary nozzles 231 evenly distributed along the mounting pipe 23 are disposed on the mounting pipe 23, and the auxiliary nozzles 231 are rotatably disposed on the mounting pipe 23, and a transmission assembly 211 is disposed between the plurality of auxiliary nozzles 231 and the main nozzle 21, the transmission assembly 211 is used to transmit the sliding power of the main nozzle 21 to the auxiliary nozzles 231 to drive the auxiliary nozzles 231 to adjust their angle.

[0033] During dust suppression operations, the liquid from the external liquid supply device is delivered through the hollow fixed shaft 2. The control valve 22 controls the flow rate of the liquid delivered to the main nozzle 21 to adjust the spray volume of the main nozzle 21. At the same time, the main nozzle 21 can slide along the axial direction of the fixed shaft 2. When the main nozzle 21 slides, the transmission component 211 transmits the sliding power of the main nozzle 21 to multiple auxiliary nozzles 231, thereby driving the auxiliary nozzles 231 to rotate on the mounting pipe 23, thereby adjusting the spray angle of the auxiliary nozzles 231.

[0034] By cooperating with the main nozzle 21 and the auxiliary nozzle 231, and using the transmission component 211 to link the sliding of the main nozzle 21 with the angle adjustment of the auxiliary nozzle 231, the system can adapt to different spray volume requirements by sliding the main nozzle 21 and adjusting the flow rate of the control valve 22, and can also change the coverage and direction of the spray by adjusting the angle of the auxiliary nozzle 231. This structure allows the system to flexibly respond to different dust suppression scenarios. Whether it is concentrated spraying or large-area diffusion spraying, the auxiliary nozzle 231 can be adapted by adjusting the state of the main nozzle 21, thereby improving the applicability and operational flexibility of dust suppression in multiple scenarios.

[0035] like Figures 4 to 10 As shown: The control valve 22 includes a valve seat 221 disposed in the fixed shaft 2 and a valve core 222 that can slide along the axial direction of the fixed shaft 2. A sliding cavity 2221 is provided at one end of the valve core 222 away from the main nozzle 21. A drive rod 24 is disposed in the fixed shaft 2 and sleeved on the valve core 222. A first drive plate 241 located inside the sliding cavity 2221 is provided at one end of the drive rod 24 away from the main nozzle 21. The first drive plate 241 slides in cooperation with the sliding cavity 2221. A first elastic element 2222 is provided at one end of the first drive plate 241 and the sliding cavity 2221 near the main nozzle 21.

[0036] In this spray system, the valve seat 221 of the control valve 22 is fixed inside the fixed shaft 2, and the valve core 222 can slide along the axis of the fixed shaft 2 to cooperate with the valve seat 221 to adjust the opening of the liquid supply channel. When the drive rod 24 slides along the axis of the fixed shaft 2, the first drive plate 241 at its end slides synchronously in the sliding cavity 2221 of the valve core 222, and transmits the force to the valve core 222 through the first elastic element 2222, pushing the valve core 222 to move along the axis of the fixed shaft 2, so that the relative position of the valve core 222 and the valve seat 221 changes, thereby realizing precise control of the liquid supply flow.

[0037] The first elastic element 2222 acts as a buffer during the driving process, preventing rigid impact between the drive rod 24 and the valve core 222. It also ensures that the valve core 222 responds stably to regulate flow when the drive rod 24 moves. The sliding fit within the sliding cavity 2221 guarantees the guiding nature of the valve core 222's movement, reducing operational deviations. Furthermore, the arrangement of the drive rod 24 fitted onto the valve core 222 ensures that their axes of motion remain aligned, improving the overall structural compactness.

[0038] like Figures 4 to 10 As shown: A second drive plate 242 is provided on the drive rod 24 near the main nozzle 21, and a mounting plate 243 matching the second drive plate 242 is provided on the main nozzle 21 near the motor. A second elastic element 2431 is provided between the mounting plate 243 and the valve seat 221.

[0039] When the valve core 222 slides along the axis of the fixed shaft 2 until it contacts the valve seat 221, the control valve 22 closes and the liquid supply to the main nozzle 21 is cut off. Since there is a first elastic element 2222 between the first drive plate 241 and the sliding cavity 2221, the drive rod 24 can continue to move towards the main nozzle 21. The first drive plate 241 at its end will compress the first elastic element 2222, and the drive rod 24 can continue to slide while the valve core 222 and the valve seat 221 remain in contact (i.e., the main nozzle 21 is in the closed state). The continuous sliding of the drive rod 24 will push the mounting plate 243 on the main nozzle 21 through the second drive plate 242 near the end of the main nozzle 21, causing the main nozzle 21 to continue to slide. Then, the power is transmitted to multiple auxiliary nozzles 231 through the transmission assembly 211 to realize the adjustment of the angle of the auxiliary nozzles 231. In this structure, the first elastic element 2222 allows the drive rod 24 to remain movable even after the valve core 222 contacts the valve seat 221. This allows the auxiliary nozzle 231 to be adjusted in angle even when the main nozzle 21 is closed, enabling the system to flexibly adjust the spray angle of the auxiliary nozzle 231 when the main nozzle 21 stops spraying, thus adapting to scenarios where only the auxiliary nozzle 231 needs to operate. At the same time, the cooperation between the first elastic element 2222 and the second elastic element 2431 can buffer the forces between the valve core 222 and the drive rod 24, and between the main nozzle 21 and the drive rod 24, respectively, preventing damage to components due to rigid contact during linkage. This ensures a smooth transition between the closing of the main nozzle 21 and the adjustment of the auxiliary nozzle 231, improving the stability and operational flexibility of the system when switching between different working states.

[0040] like Figures 4 to 10 As shown: a guide seat 25 is also provided inside the fixed shaft 2. A lead screw 251 that can rotate and is coaxial with the fixed shaft 2 is provided on the guide seat 25. A drive rod 24 is sleeved on the lead screw 251 and threadedly engaged with it. A first rotary drive motor 26 for driving the lead screw 251 to rotate is provided at one end of the fixed shaft 2 near the fan 11.

[0041] The guide seat 25 inside the fixed shaft 2 provides mounting support for the lead screw 251, enabling the lead screw 251 to rotate stably around the axis of the fixed shaft 2. When the first rotary drive motor 26 starts, the output shaft of the first rotary drive motor 26 will drive the lead screw 251 to rotate synchronously. Since the drive rod 24 is sleeved on the lead screw 251 and forms a threaded engagement with the lead screw 251, the rotational motion of the lead screw 251 is converted into the linear sliding of the drive rod 24 along the axial direction of the fixed shaft 2. The guide seat 25 ensures that the lead screw 251 remains coaxial with the fixed shaft 2 during rotation by limiting the radial displacement of the lead screw 251, thus avoiding the impact of the sliding accuracy of the drive rod 24 on the wobbling of the lead screw 251. Power transmission is achieved through the threaded engagement of the lead screw 251 and the drive rod 24, which allows for precise control of the sliding distance of the drive rod 24. This enables accurate adjustment of the opening of the valve core 222, the position of the main nozzle 21, and the angle of the auxiliary nozzle 231, improving the control precision of each component's actions. The guide seat 25 enhances the stability of the lead screw 251's rotation, reduces deviations during transmission, and ensures smooth sliding of the drive rod 24. The first rotary drive motor 26 provides power, realizing automated control of the drive rod 24's sliding without manual operation, facilitating rapid adjustment of the system state according to different dust suppression scenarios. Simultaneously, the threaded engagement has a self-locking characteristic, ensuring the drive rod 24 remains stable at any sliding position, preventing positional deviation due to external forces or vibrations. This ensures the stable and reliable operation of the valve core 222, the main nozzle 21, and the auxiliary nozzle 231, further enhancing the system's adaptability and ease of operation in various dust suppression scenarios.

[0042] like Figures 4 to 10 As shown: The transmission assembly 211 includes multiple connecting rods 2111 and multiple sliders 2112. The number of connecting rods 2111 and sliders 2112 is the same as the number of auxiliary nozzles 231 and corresponds one-to-one. The multiple sliders 2112 are arranged equidistantly around the axis of the spray cavity 1, and the multiple sliders 2112 are all slidably disposed on the spray cavity 1 at one end away from the blower 11. The connecting rods 2111 are disposed between the corresponding sliders 2112 and auxiliary nozzles 231. The two ends of the connecting rods 2111 are hinged to the sliders 2112 and auxiliary nozzles 231 respectively. All sliders 2112 are connected to the main nozzle 21 in a transmission manner.

[0043] When the main nozzle 21 slides along the axis of the fixed shaft 2, since all the sliders 2112 are connected to the main nozzle 21, the movement of the main nozzle 21 will drive multiple sliders 2112 to slide synchronously along the radial direction of the spray cavity 1. Since the two ends of the connecting rod 2111 are hinged to the sliders 2112 and the auxiliary nozzles 231 respectively, the sliding of the sliders 2112 will transmit force through the connecting rod 2111, pushing or pulling the auxiliary nozzles 231 to rotate around their mounting point on the annular mounting tube 23. Furthermore, since multiple sliders 2112 are arranged equidistantly around the axis of the spray cavity 1, the sliding distance and speed of multiple sliders 2112 are consistent, thereby driving all auxiliary nozzles 231 to adjust their rotation angle synchronously through the corresponding connecting rod 2111, ensuring that the spray direction of each auxiliary nozzle 231 is always coordinated. To avoid power loss or lag during transmission, the angle adjustment of each individual auxiliary nozzle 231 is precisely controllable. The equidistant arrangement of multiple sliders 2112 ensures synchronized movement of all auxiliary nozzles 231 during adjustment, preventing angle deviations in some nozzles and maintaining uniform spray coverage, making it suitable for dust suppression scenarios with high spray consistency requirements. Furthermore, the sliding mechanism of the sliders 2112 and the hinged structure of the connecting rods 2111 are simple and reliable, without complex transmission components. This reduces manufacturing and maintenance costs and minimizes the probability of component jamming, ensuring smooth adjustment of the auxiliary nozzle 231 angle. This transmission method adjusts the rotation angle of the auxiliary nozzles 231 by sliding the main nozzle 21, enabling both small, fine adjustments to suit localized dust suppression needs and large adjustments to cover a wider area, further enhancing the system's spray flexibility in various scenarios.

[0044] It should be noted that the annular mounting pipe 23 is equipped with a liquid supply pipeline independent of the main liquid supply passage where the fixed shaft 2 is located. That is, the auxiliary nozzle 231 has an independent liquid supply pipeline. One end of the independent liquid supply pipeline is connected to the annular mounting pipe 23, and the other end can be connected to an external liquid supply device or an independent liquid supply unit. Furthermore, a separate control valve 22 or flow regulation component can be installed on the independent liquid supply pipeline. Based on this independent liquid supply structure, the start-up and shutdown of the auxiliary nozzle 231 and the spray flow rate can be controlled independently of the liquid supply status of the main nozzle 21 without relying on the opening or flow regulation logic of the main nozzle 21.

[0045] like Figures 4 to 10 As shown: A drive ring 212 is provided on the side of the main nozzle 21 near the auxiliary nozzle 231. Multiple fixed rods 2121 extending towards the main nozzle 21 are provided on the drive ring 212. The multiple fixed rods 2121 are equidistantly arranged around the axis of the drive ring 212. All sliders 2112 are connected to the drive ring 212 for transmission.

[0046] When the main nozzle 21 slides along the axis of the fixed shaft 2, it drives the drive ring 212 to move synchronously in the same direction through multiple fixed rods 2121 fixed to it. Since the multiple fixed rods 2121 are evenly distributed around the axis of the drive ring 212 at equal intervals, the power of the main nozzle 21 is evenly transmitted to the drive ring 212 through the fixed rods 2121, so that the drive ring 212 is balanced by force and moves stably. When the drive ring 212 moves, it synchronously drives all the sliders 2112 that are in transmission cooperation with the drive ring 212 to slide along the axis of the spray chamber 1. The sliding of the sliders 2112 is then transmitted to the auxiliary nozzles 231 through the corresponding connecting rods 2111, so as to realize the synchronous angle adjustment of each auxiliary nozzle 231. By cooperating with the drive ring 212 and the fixed rod 2121, the sliding power of the main nozzle 21 is concentrated and transmitted to all sliders 2112, avoiding the problem of uneven force on a single slider 2112, and ensuring that the multiple auxiliary nozzles 231 move completely synchronously when adjusting the angle, thereby ensuring the uniformity of the spray coverage. The setting of the fixed rod 2121 extending towards the main nozzle 21 can enhance the structural strength of the connection between the drive ring 212 and the main nozzle 21, reduce deformation during the transmission process, and improve the stability of power transmission. At the same time, the equidistant distribution of multiple fixed rods 2121 makes the force on the drive ring 212 more balanced, reducing the risk of component damage due to excessive local stress after long-term use, and extending the service life of the transmission assembly 211.

[0047] like Figures 5 to 10 As shown: The drive ring 212 is provided with a plurality of protrusions 2122. The number of protrusions 2122 is the same as the number of sliders 2112 and corresponds one-to-one. The sliders 2112 are provided with grooves 21121 that match the protrusions 2122.

[0048] When the main nozzle 21 drives the drive ring 212 to slide along the axis of the fixed shaft 2 via the fixed rod 2121, the protrusion 2122 on the drive ring 212 moves synchronously with the drive ring 212. Since the protrusion 2122 is embedded in the groove 21121 of the slider 2112 and the two form a sliding fit, the movement of the protrusion 2122 will generate a lateral force on the groove 21121, pushing the slider 2112 to slide along the axis of the spray chamber 1. Because the protrusion 2122 corresponds one-to-one with the slider 2112 and the groove 21121 is adapted to the protrusion 2122, each slider 2112 can obtain a stable driving force under the drive of the corresponding protrusion 2122, ensuring that the sliding direction and amplitude of all sliders 2112 are consistent, and then the connecting rod 2111 drives each auxiliary nozzle 231 to adjust the angle synchronously.

[0049] The cooperation between the protrusion 2122 and the groove 21121 provides guidance and constraint for the sliding of the slider 2112, reducing the offset or wobbling of the slider 2112 during movement and ensuring that the actions of each slider 2112 are coordinated and consistent, thereby ensuring the synchronicity of the angle adjustment of the auxiliary nozzle 231. At the same time, it can stably convert the axial sliding of the drive ring 212 into the sliding of the slider 2112, avoiding slippage or misalignment during power transmission and improving the accuracy of transmission. The sliding contact method can disperse the force during transmission, reduce local wear, extend the service life of components, and has a simple and compact structure, which is easy to process and assemble, further enhancing the reliability of the transmission component 211. This allows the system to maintain stable adjustment performance during long-term use and better adapt to the dust suppression needs of various scenarios.

[0050] like Figures 4 to 10 As shown: A plurality of guide vanes 27 are provided on the fixed shaft 2, and each guide vane 27 is provided with a plurality of first guide teeth 28 equidistantly along its length direction.

[0051] When the airflow generated by the fan 11 enters the spray chamber 1 and flows through the fixed shaft 2, multiple guide vanes 27 guide the airflow, directing it to flow along the axial direction of the spray chamber 1, reducing turbulence and swirling within the spray chamber 1. At the same time, the first guide teeth 28 on the guide vanes 27 are evenly distributed along the length of the vanes, which can divide the airflow flowing through the vanes into multiple relatively independent airflows, further sorting out the eddies in the airflow, making the flow velocity and direction of the airflow in the spray chamber 1 more uniform and stable, and avoiding uneven force on the droplets during spraying due to airflow turbulence. Ensuring that the power generated by the fan 11 is more concentrated in the spray direction reduces energy loss and helps to increase the spray range. The first guide tooth 28 divides and sorts the airflow, making the airflow more evenly distributed in the spray chamber 1. This allows the droplets sprayed by the main nozzle 21 and the auxiliary nozzle 231 to diffuse more stably with the airflow, avoiding the problem of local droplet aggregation or excessively rapid dispersion, and improving the uniformity of dust suppression. At the same time, the equidistant distribution of the first guide tooth 28 can enhance the airflow sorting effect without increasing the complexity of the structure. This ensures the reliability of the guide function and simplifies the processing and assembly of the blades, making the system less prone to deformation or damage due to airflow impact during long-term use, and further improving the stability and durability of the overall structure.

[0052] like Figures 4 to 10 As shown: The fixed rod 2121 is provided with a plurality of second guide teeth 29 equidistantly along its length direction.

[0053] When the airflow generated by the fan 11 flows in the spray chamber 1 and passes through the fixed rod 2121, the second guide teeth 29, which are equidistantly distributed along the length direction of the fixed rod 2121, will divide and guide the airflow, sorting out the turbulent airflow that may have been generated around the fixed rod 2121 into a more regular flow direction, reducing the airflow vortex or local turbulence formed due to the presence of the fixed rod 2121, so that the airflow can flow more smoothly along the axis of the spray chamber 1 and act on the droplets sprayed by the main nozzle 21 and the auxiliary nozzle 231.

[0054] In this structure, the second guide teeth 29, by sorting the airflow around the fixed rod 2121, avoid energy loss caused by the airflow bypassing the fixed rod 2121, ensuring that more airflow energy is used to drive the droplet diffusion, which helps to improve the effective coverage of the spray. The equidistant distribution ensures that the sorting effect of the airflow on each section of the fixed rod 2121 is consistent, avoiding uneven droplet dispersion caused by local airflow velocity differences, and improving the uniformity of dust suppression. At the same time, the arrangement of the second guide teeth 29 can disperse the impact force of the airflow on the fixed rod 2121, reduce the vibration or deformation of the fixed rod 2121 under long-term airflow impact, enhance the stability of the connection between the fixed rod 2121 and the main nozzle 21 and the drive ring 212, thereby extending the service life of the transmission component 211 and enabling the system to maintain reliable adjustment performance and spray effect during continuous operation.

[0055] like Figures 1 to 3 As shown: A pure electric dust suppression vehicle 3, including the above-mentioned spray system suitable for dust suppression in multiple scenarios.

[0056] The above embodiments only illustrate one or more implementations of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of protection of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the appended claims.

Claims

1. A spray system suitable for dust suppression in multiple scenarios, comprising a spray chamber and a fan disposed at the end of the spray chamber; characterized in that, A fixed shaft extending along the axis of the spray chamber is provided inside the spray chamber. The fixed shaft has a hollow structure and is used to communicate with an external liquid supply device. The fixed shaft is equipped with a main nozzle that can slide along its axial direction and a control valve for controlling the flow rate of liquid supplied to the main nozzle by the external liquid supply device. An annular mounting tube, coaxial with the fan, is provided at the end of the spray chamber away from the fan. Multiple auxiliary nozzles are evenly distributed along the mounting tube at equal intervals. The auxiliary nozzles are rotatably mounted on the mounting tube. A transmission assembly is provided between the multiple auxiliary nozzles and the main nozzle. The transmission assembly is used to transmit the sliding power of the main nozzle to the auxiliary nozzles to drive the auxiliary nozzles to adjust their angle. The control valve includes a valve seat disposed in a fixed shaft and a valve core that can slide along the axial direction of the fixed shaft. A sliding cavity is provided at the end of the valve core away from the main nozzle. A drive rod is disposed in the fixed shaft and sleeved on the valve core. A first drive plate is disposed at the end of the drive rod away from the main nozzle and located inside the sliding cavity. The first drive plate is slidably engaged with the sliding cavity. A first elastic element is disposed at the end of the first drive plate and the sliding cavity near the main nozzle. A second drive plate is provided on the drive rod near the main nozzle, and a mounting plate matching the second drive plate is provided on the main nozzle near the motor. A second elastic element is provided between the mounting plate and the valve seat.

2. The spray system for dust suppression in multiple scenarios according to claim 1, characterized in that, A guide seat is also provided inside the fixed shaft. A rotatable lead screw coaxial with the fixed shaft is provided on the guide seat. A drive rod is sleeved on the lead screw and threadedly engaged with it. A first rotary drive motor for driving the lead screw to rotate is provided at one end of the fixed shaft near the fan.

3. A spray system suitable for dust suppression in multiple scenarios according to claim 1, characterized in that, The transmission assembly includes multiple connecting rods and multiple sliders. The number of connecting rods and sliders is the same as the number of auxiliary nozzles and corresponds one-to-one. Multiple sliders are arranged equidistantly around the axis of the spray cavity, and multiple sliders are slidably set on the end of the spray cavity away from the blower along the axis of the spray cavity. The connecting rods are set between the corresponding sliders and auxiliary nozzles, and the two ends of the connecting rods are hinged to the sliders and auxiliary nozzles respectively. All sliders are drivenly connected to the main nozzle.

4. A spray system suitable for dust suppression in multiple scenarios according to claim 3, characterized in that, A drive ring is provided on the side of the main nozzle near the auxiliary nozzle. The drive ring is provided with multiple fixed rods extending towards the main nozzle. The multiple fixed rods are equidistantly arranged around the axis of the drive ring, and all sliders are connected to the drive ring for transmission.

5. A spray system suitable for dust suppression in multiple scenarios according to claim 4, characterized in that, The drive ring is provided with multiple protrusions, the number of which is the same as the number of sliders and corresponds one-to-one. The slider is provided with grooves that match the protrusions.

6. A spray system suitable for dust suppression in multiple scenarios according to claim 1, characterized in that, Multiple guide vanes are provided on the fixed shaft, and each guide vane is provided with multiple first guide teeth that are equidistant along its length.

7. A spray system suitable for dust suppression in multiple scenarios according to claim 4, characterized in that, The fixed rod is provided with multiple second guide teeth that are equidistant along its length.

8. A pure electric dust suppression vehicle, characterized in that, Including a spray system suitable for dust suppression in multiple scenarios as described in any one of claims 1-7.

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