Outdoor fire-fighting jet water monitor

Abstract

The utility model relates to the technical field of outdoor fire-fighting equipment, in particular to an outdoor fire-fighting jet water cannon, which improves the efficiency and the safety of handling outdoor fire disasters and realizes automatic fire source detection and fire extinguishment. Comprising a moving mechanism, a horizontal rotating mechanism, a vertical pitching mechanism, a water spraying mechanism, a flame detector and a control mechanism, a water tank is arranged above the moving mechanism, a supporting plate is arranged on the water tank, the horizontal rotating mechanism is arranged on the supporting plate, the vertical pitching mechanism is arranged on the horizontal rotating mechanism, and the water spraying mechanism is rotationally connected with the vertical pitching mechanism; the water spraying mechanism is communicated with the water tank through a water conveying pipe, the flame detector is arranged on the water spraying mechanism, the control mechanism is arranged in the moving mechanism, a PLC and a wireless transmission module are arranged in the control mechanism, and the PLC is electrically connected with the moving mechanism, the horizontal rotating mechanism, the vertical pitching mechanism, the water spraying mechanism, the flame detector and the wireless transmission module.

Description

Technical Field

[0001] The utility model relates to the technical field of outdoor fire-fighting equipment, in particular to an outdoor fire-fighting water cannon for spraying water. Background Art

[0002] A fire-fighting water cannon is an important fire-fighting equipment for extinguishing fires at a long distance. The fire-fighting water cannon uses water as a medium and is a fire-extinguishing equipment for extinguishing fires at a long distance. This cannon is applicable to places such as petrochemical enterprises, storage tank areas, aircraft hangars, warehouses, port terminals, garages, etc., and is an ideal vehicle-mounted fire-fighting water cannon for fire trucks.

[0003] When in use, it is usually fixed in an outdoor environment. Due to the differences in the outdoor environment, it is more important to adjust the appropriate angle to facilitate the disaster relief work at the fire site. The existing fire cannons usually adjust the fire extinguishing angle after approaching, which not only increases the risk to personnel but also may lead to low fire extinguishing efficiency. Summary of the Utility Model

[0004] To solve the above technical problems, the utility model provides an outdoor fire-fighting water cannon for spraying water, which improves the efficiency and safety of dealing with outdoor fires, and realizes automatic detection of fire sources and fire extinguishing.

[0005] An outdoor fire-fighting water cannon for spraying water of the utility model comprises a moving mechanism, a horizontal slewing mechanism, a vertical pitching mechanism, a water spraying mechanism, a flame detector and a control mechanism. A water tank is arranged above the moving mechanism, a support plate is arranged on the water tank, the horizontal slewing mechanism is arranged on the support plate, the vertical pitching mechanism is arranged on the horizontal slewing mechanism, the water spraying mechanism is rotationally connected with the vertical pitching mechanism, the water spraying mechanism is communicated with the water tank through a water delivery pipe, the flame detector is arranged on the water spraying mechanism, the control mechanism is arranged in the moving mechanism, a PLC controller and a wireless transmission module are arranged in the control mechanism, and the PLC controller is electrically connected with the moving mechanism, the horizontal slewing mechanism, the vertical pitching mechanism, the water spraying mechanism, the flame detector and the wireless transmission module respectively.

[0006] Further, the moving mechanism comprises a vehicle frame, steering wheels, traveling wheels, a steering motor and a driving motor. The steering wheels and the traveling wheels are arranged at intervals at the bottom of the vehicle frame. The steering motor and the driving motor are both arranged on the vehicle frame. A steering pull rod is arranged at the output end of the steering motor. A steering knuckle arm is arranged on the wheel axle of the steering wheel. The steering knuckle arm is rotationally connected with the steering pull rod. The output end of the driving motor is fixedly connected with the wheel axle of the traveling wheel.

[0007] Further, a plurality of uniformly distributed sleeves are arranged on the vehicle frame. A sliding rod is slidably connected in the sleeve. The top of the sliding rod is fixedly connected with the water tank. A shock-absorbing spring is sleeved outside the sleeve. Two ends of the shock-absorbing spring are respectively fixedly connected with the water tank and the vehicle frame.

[0008] Furthermore, a fire hydrant connection port is provided on the vehicle frame, and a water inlet pipe is provided in the water tank. One end of the water inlet pipe is communicated with the water delivery pipe, and the other end is fixedly connected to the fire hydrant connection port.

[0009] Furthermore, the horizontal slewing mechanism includes a bearing, a turntable, a first gear, a second driving motor, and a second driving gear. The bearing and the second driving motor are arranged at intervals on the support plate. The turntable is arranged on the bearing. A through hole one for the water delivery pipe to pass through is provided on the turntable. The first gear is sleeved outside the turntable. The second driving gear is arranged at the output end of the second driving motor, and the second driving gear meshes with the first gear.

[0010] Furthermore, the vertical pitching mechanism includes a connecting plate, a column, a fixing ring, a rotating shaft, and an electric telescopic rod. The connecting plate is arranged on the bearing. A through hole two for the water delivery pipe to pass through is provided on the connecting plate. The two columns are symmetrically arranged on both sides of the connecting plate. The fixing ring is sleeved outside the water spraying mechanism. The two rotating shafts are symmetrically arranged on both sides of the fixing ring. The end of the rotating shaft not connected to the fixing ring is rotatably connected to the column. The two ends of the electric telescopic rod are respectively hinged to the water spraying mechanism and the connecting plate.

[0011] Furthermore, the water spraying mechanism includes a cylinder body, a spray head, and a rotating sleeve. The spray head is arranged at one end of the cylinder body. The rotating sleeve is arranged outside the spray head, and the inner wall of the rotating sleeve is rotatably connected to the outer wall of the spray head. A plurality of corresponding water spraying holes are provided on both the spray head and the rotating sleeve.

[0012] Furthermore, a worm gear is sleeved outside the rotating sleeve. A bracket is provided on the cylinder body. The worm is meshed with the worm gear and connected to the bracket.

[0013] Furthermore, the water delivery pipe is a telescopic hose.

[0014] Furthermore, a mobile power source is further included. The mobile power source is arranged in the mobile mechanism and is electrically connected to the mobile mechanism, the horizontal slewing mechanism, the vertical pitching mechanism, the water spraying mechanism, the flame detector, and the control mechanism respectively.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] The entire device can be quickly deployed at different locations through a moving mechanism, improving the ability to respond to sudden fires; the horizontal rotation mechanism and the vertical pitching mechanism provide multi-angle adjustment of the spraying direction to ensure all-round coverage; the water spraying mechanism is directly connected to the water tank through a water delivery pipe to ensure sufficient water supply and improve the fire extinguishing efficiency; the flame detector can automatically detect the location of the fire source, transmit the signal to the control mechanism, and manage the horizontal rotation mechanism and the vertical pitching mechanism through the PLC controller to adjust to the most suitable angle for fire extinguishing, without the need for manual close-range positioning, improving the response speed and accuracy, being applicable to various occasions and meeting the fire extinguishing requirements in different scenarios. Brief Description of the Drawings

[0017] The present utility model will be further described below in conjunction with the accompanying drawings.

[0018] Figure 1 is a schematic structural diagram of the present utility model;

[0019] Figure 2 is a front view structural schematic diagram of the present utility model;

[0020] Figure 3 is a schematic structural diagram of the moving mechanism of the present utility model;

[0021] Figure 4 is a schematic structural diagram of the nozzle and the rotating sleeve of the present utility model;

[0022] Figure 5 is a schematic structural diagram of the horizontal rotation mechanism of the present utility model;

[0023] Figure 6 is a schematic structural diagram of the sleeve, the sliding rod and the shock-absorbing spring of the present utility model;

[0024] Reference numerals in the drawings: 1, moving mechanism; 11, vehicle frame; 12, steering wheel; 13, traveling wheel; 14, steering motor; 15, driving motor I; 16, sleeve; 17, sliding rod; 18, shock-absorbing spring; 19, fire hydrant connection port; 2, horizontal rotation mechanism; 21, bearing; 22, turntable; 23, gear I; 24, driving motor II; 25, driving gear II; 26, through hole I; 3, vertical pitching mechanism; 31, connecting plate; 32, column; 33, fixed ring; 34, rotating shaft; 35, electric telescopic rod; 36, through hole II; 4, water spraying mechanism; 41, cylinder body; 42, nozzle; 43, rotating sleeve; 44, water spraying hole; 45, worm gear; 46, support; 47, worm; 5, flame detector; 6, control mechanism; 7, water tank; 71, water inlet pipe; 8, support plate; 9, water delivery pipe; 10, mobile power source. Detailed Embodiment

[0025] The following will further describe in detail the specific implementation manners of the present utility model in conjunction with the accompanying drawings and embodiments. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.

[0026] As Figures 1 to 6 shown, a fire spraying water cannon for outdoor use of the present utility model includes a moving mechanism 1, a horizontal slewing mechanism 2, a vertical pitching mechanism 3, a water spraying mechanism 4, a flame detector 5 and a control mechanism 6. A water tank 7 is arranged above the moving mechanism 1. A support plate 8 is arranged on the water tank 7. The horizontal slewing mechanism 2 is arranged on the support plate 8. The vertical pitching mechanism 3 is arranged on the horizontal slewing mechanism 2. The water spraying mechanism 4 is rotationally connected to the vertical pitching mechanism 3. The water spraying mechanism 4 is communicated with the water tank 7 through a water delivery pipe 9. The flame detector 5 is arranged on the water spraying mechanism 4. The control mechanism 6 is arranged in the moving mechanism 1. A PLC controller and a wireless transmission module are arranged in the control mechanism 6. The PLC controller is electrically connected to the moving mechanism 1, the horizontal slewing mechanism 2, the vertical pitching mechanism 3, the water spraying mechanism 4, the flame detector 5 and the wireless transmission module respectively;

[0027] The moving mechanism 1 enables the entire device to be quickly deployed at different locations, improving the ability to respond to sudden fires; the horizontal slewing mechanism 2 and the vertical pitching mechanism 3 provide multi-angle adjustment of the spraying direction, ensuring all-round coverage ability; the water spraying mechanism 4 is directly communicated with the water tank 7 through the water delivery pipe 9, ensuring sufficient water supply and improving the fire extinguishing efficiency; the flame detector 5 can automatically detect the position of the fire source, transmit the signal to the control mechanism 6, and manage the horizontal slewing mechanism 2 and the vertical pitching mechanism 3 through the PLC controller to adjust to the most suitable angle for fire extinguishing, without manual close-range positioning, improving the response speed and accuracy, being applicable to various occasions and meeting the fire extinguishing requirements in different scenarios.

[0028] The mobile mechanism 1 includes a vehicle frame 11, steering wheels 12, driving wheels 13, a steering motor 14, and a first driving motor 15. The steering wheels 12 and the driving wheels 13 are arranged at intervals at the bottom of the vehicle frame 11. The steering motor 14 and the first driving motor 15 are both arranged on the vehicle frame 11. A steering rod is provided at the output end of the steering motor 14, and a steering knuckle arm is provided on the axle of the steering wheel 12. The steering knuckle arm is rotatably connected to the steering rod. The output end of the first driving motor 15 is fixedly connected to the axle of the driving wheel 13. The vehicle frame 11 serves as the basic structure of the entire fire water cannon, used to carry other components and ensure the stability of the overall structure. The steering wheels 12 are used to change the direction of the entire device, and the angle of the steering wheels 12 is controlled by the steering motor 14 to achieve steering. The driving wheels 13 are used to support the entire device and move on the ground, and are driven to rotate by the power of the first driving motor 15 to make the entire device move forward or backward. In this way, the mobile mechanism 1 can achieve flexible steering and stable movement, enabling the fire water cannon to quickly reach the designated position in various complex environments and improving the mobility and flexibility of the entire system.

[0029] As a preference of the above embodiment, a plurality of uniformly distributed sleeves 16 are provided on the vehicle frame 11. A sliding rod 17 is slidably connected in the sleeve 16. The top of the sliding rod 17 is fixedly connected to the water tank 7. A shock-absorbing spring 18 is sleeved outside the sleeve 16. Both ends of the shock-absorbing spring 18 are fixedly connected to the water tank 7 and the vehicle frame 11 respectively. The sleeve 16 is used to accommodate the sliding rod 17 to ensure that the sliding rod 17 can slide along its axis. When the vehicle encounters an uneven ground, the sliding rod 17 moves up and down along the sleeve 16, and at the same time, the shock-absorbing spring 18 is compressed or stretched to absorb the vibration energy, protecting the water tank 7 from damage and keeping the water in the water tank stable, avoiding the decline of the water cannon performance caused by the change of the internal pressure of the water tank 7, and improving the reliability and durability of the entire system.

[0030] As a preference of the above embodiment, a fire hydrant connection port 19 is provided on the vehicle frame 11. A water inlet pipe 71 is arranged in the water tank 7. One end of the water inlet pipe 71 is communicated with the water delivery pipe 9, and the other end is fixedly connected to the fire hydrant connection port 19. The fire hydrant connection port 19 is used to connect with an external fire water supply system to supplement or replace the water source in the water tank 7, and the water inlet pipe 71 is responsible for introducing the water source from the fire hydrant connection port 19 into the water tank 7. Through this design, the fire water cannon can make more effective use of external water sources, especially in the case of limited water sources or long-term continuous operation, improving the flexibility and efficiency of the fire water cannon.

[0031] Preferably, as an embodiment above, the horizontal slewing mechanism 2 includes a bearing 21, a turntable 22, a first gear 23, a second driving motor 24 and a second driving gear 25. The bearing 21 and the second driving motor 24 are arranged on the support plate 8 at intervals. The turntable 22 is arranged on the bearing 21. A through hole one 26 for the water delivery pipe 9 to pass through is arranged on the turntable 22. The first gear 23 is sleeved outside the turntable 22. The second driving gear 25 is arranged at the output end of the second driving motor 24. The second driving gear 25 meshes with the first gear 23. The bearing 21 is used to support the turntable 22 and allow it to rotate. When the second driving motor 24 starts, the second driving gear 25 starts to rotate, and the first gear 23 will also rotate accordingly, thus driving the turntable 22 to rotate. The rotation of the turntable 22 drives the vertical pitching mechanism 3 and the water spraying mechanism 4 mounted thereon to rotate together, realizing the adjustment in the horizontal direction. In order not to affect the rotation of the turntable 22, the water delivery pipe 9 passes through the through hole one 26 at the center of the turntable 22 to ensure that the water delivery pipe 9 does not hinder the rotation of the turntable 22.

[0032] Preferably, as an embodiment above, the vertical pitching mechanism 3 includes a connecting plate 31, a column 32, a fixing ring 33, a rotating shaft 34 and an electric telescopic rod 35. The connecting plate 31 is arranged on the bearing 21. A through hole two 36 for the water delivery pipe 9 to pass through is arranged on the connecting plate 31. Two columns 32 are symmetrically arranged on both sides of the connecting plate 31. The fixing ring 33 is sleeved outside the water spraying mechanism 4. Two rotating shafts 34 are symmetrically arranged on both sides of the fixing ring 33. One end of the rotating shaft 34 not connected to the fixing ring 33 is rotatably connected to the column 32. Both ends of the electric telescopic rod 35 are hinged to the water spraying mechanism 4 and the connecting plate 31 respectively. The connecting plate 31 is used to connect the horizontal slewing mechanism 2 and the vertical pitching mechanism 3. The through hole two 36 is used for the water delivery pipe 9 to pass through without affecting the rotation of the connecting plate 31. The column 32 is used to support the fixing ring 33, and the fixing ring 33 is used to fix the water spraying mechanism 4. The pitching movement of the water spraying mechanism 4 is realized by connecting the rotating shaft 34 to the column 32. The pitching angle of the water spraying mechanism 4 is controlled by the telescopic movement of the electric telescopic rod 35, so as to accurately point to the area where the fire occurs, ensure that the fire fighting water cannon can cover a larger range and improve the fire extinguishing efficiency.

[0033] Preferably, as an embodiment above, the water spraying mechanism 4 includes a cylinder body 41, a nozzle 42 and a rotating sleeve 43. The nozzle 42 is arranged at one end of the cylinder body 41. The rotating sleeve 43 is arranged outside the nozzle 42, and the inner wall of the rotating sleeve 43 is rotatably connected to the outer wall of the nozzle 42. A plurality of corresponding water spraying holes 44 are arranged on both the nozzle 42 and the rotating sleeve 43. When the water flow enters the cylinder body 41 from the water delivery pipe 9, the water flow passes through the nozzle 42 and sprays out through the water spraying holes 44 on the nozzle. The relative rotation between the rotating sleeve 43 and the nozzle 42 can change the way the water flow passes through the water spraying holes 44, thus realizing different water spraying modes, improving the fire extinguishing efficiency and flexibility, and better adapting to different fire scenes.

[0034] Preferably, as in the above embodiments, a worm gear 45 is sleeved outside the rotary sleeve 43, a bracket 46 is provided on the cylinder body 41, a worm 47 is rotatably connected between the brackets 46, the worm 47 meshes with the worm gear 45, a third driving motor is provided outside the bracket 46, and the output end of the third driving motor penetrates through the bracket 46 and is connected to the worm 47. The worm gear 45 meshes with the worm 47 to transmit rotational power. The bracket 46 is used to support and fix the worm 47, and the worm 47 is used to convert the rotational power of the third driving motor into the rotation of the rotary sleeve 43. By controlling the forward and reverse rotation of the third driving motor, the rotation direction of the rotary sleeve 43 can be controlled, and thus the relative position of the water spray holes 44 can be adjusted. The rotation of the rotary sleeve 43 changes the way water flows through the water spray holes 44, thereby realizing different water spray patterns.

[0035] Preferably, as in the above embodiments, the water delivery pipe 9 is a telescopic hose. With this design, the water delivery pipe 9 can be extended or retracted as needed to adapt to various movements of the fire fighting water cannon, including the rotation and pitching adjustments of the horizontal slewing mechanism 2 and the vertical pitching mechanism 3, maintaining the continuous supply of water flow, while improving the flexibility and reliability of the entire system.

[0036] Preferably, as in the above embodiments, a mobile power source 10 is further included. The mobile power source 10 is arranged in the mobile mechanism 1 and is electrically connected to the mobile mechanism 1, the horizontal slewing mechanism 2, the vertical pitching mechanism 3, the water spraying mechanism 4, the flame detector 5 and the control mechanism 6 respectively. The mobile power source 10 provides power for all electrical components in the device to support the continuous operation of these components for a period of time. The mobile power source 10 moves together with the fire fighting water cannon without the support of an external power source, improving its applicability and response speed outdoors, and at the same time ensuring that the fire fighting water cannon can be quickly deployed and effectively respond to fire situations.

[0037] An outdoor fire-fighting jet water cannon of the present utility model, when in operation, first starts the moving mechanism 1 according to the location of the fire scene, and controls the fire-fighting water cannon to move to an appropriate position through the driving motor 15 and the steering motor 14; when steering is required, the steering motor 14 drives the steering knuckle arm on the steering wheel 12 through the steering pull rod at its output end, thereby changing the direction of the steering wheel 12. The steering of the steering wheel 12 causes the entire device to deflect, realizing the steering function; the driving motor 15 drives the traveling wheels 13 to rotate, thereby pushing the entire device forward or backward; when encountering a bumpy or uneven road surface, the sliding rod 17 slides in the sleeve 16, and at the same time the shock-absorbing spring 18 is compressed or stretched to absorb the vibration energy; the flame detector 5 automatically detects the position of the fire source and sends the information to the control mechanism 6; the control mechanism 6 starts the driving motor 24 and the electric telescopic rod 35 according to the information provided by the flame detector 5; when the driving motor 24 is started, the driving gear 25 rotates, and the gear 23 engaged with it rotates accordingly. Therefore, the turntable 22 also rotates, and the rotation of the turntable 22 drives the vertical pitching mechanism 3 and the water spraying mechanism 4 mounted thereon to rotate together, realizing the adjustment in the horizontal direction; the telescopic movement of the electric telescopic rod 35 causes one end of the water spraying mechanism 4 to move up and down relative to the connecting plate 31, thereby realizing the pitching adjustment of the water spraying mechanism 4; the water delivery pipe 9 freely extends and contracts with the rotation and pitching movements of the horizontal slewing mechanism 2 and the vertical pitching mechanism 3; when the water pump is turned on and the water flow enters the cylinder body 41 from the water delivery pipe 9, the water flow passes through the nozzle 42 and is sprayed out through the water spraying holes 44 on the nozzle; according to the requirements of the fire scene, the worm 47 is rotated by driving the motor 3, and the rotation of the worm 47 drives the worm gear 45 to rotate, and then drives the rotating sleeve 43 to rotate, adjusting the relative position of the water spraying holes 44, changing the way the water flow passes through the water spraying holes 44, thereby realizing different water spraying modes; the flame detector 5 monitors the information in real time, and the control mechanism 6 adjusts the position and water spraying mode of the water spraying mechanism 4 according to the actual situation.

[0038] An outdoor fire-fighting jet water cannon of the present utility model has an installation method, a connection method or a setting method that are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented.

[0039] The above is only the preferred embodiment of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. An outdoor fire-fighting water jet gun, characterized in that, It includes a moving mechanism (1), a horizontal slewing mechanism (2), a vertical pitching mechanism (3), a water spraying mechanism (4), a flame detector (5) and a control mechanism (6). Above the moving mechanism (1), there is a water tank (7). On the water tank (7), there is a support plate (8). The horizontal slewing mechanism (2) is arranged on the support plate (8). The vertical pitching mechanism (3) is arranged on the horizontal slewing mechanism (2). The water spraying mechanism (4) is rotatably connected to the vertical pitching mechanism (3). The water spraying mechanism (4) is communicated with the water tank (7) through a water delivery pipe (9). The flame detector (5) is arranged on the water spraying mechanism (4). The control mechanism (6) is arranged inside the moving mechanism (1). Inside the control mechanism (6), there is a PLC controller and a wireless transmission module. The PLC controller is electrically connected to the moving mechanism (1), the horizontal slewing mechanism (2), the vertical pitching mechanism (3), the water spraying mechanism (4), the flame detector (5) and the wireless transmission module respectively.

2. The outdoor fire-fighting water jet gun according to claim 1, characterized in that, The moving mechanism (1) includes a vehicle frame (11), steering wheels (12), traveling wheels (13), a steering motor (14) and a first driving motor (15). The steering wheels (12) and the traveling wheels (13) are arranged at intervals at the bottom of the vehicle frame (11). The steering motor (14) and the first driving motor (15) are both arranged on the vehicle frame (11). The output end of the steering motor (14) is provided with a steering tie rod. On the wheel axle of the steering wheel (12), there is a steering knuckle arm. The steering knuckle arm is rotatably connected to the steering tie rod. The output end of the first driving motor (15) is fixedly connected to the wheel axle of the traveling wheel (13).

3. The outdoor fire-fighting water jet cannon according to claim 2, characterized in that A plurality of uniformly distributed sleeves (16) are arranged on the vehicle frame (11). A sliding rod (17) is slidably connected inside the sleeve (16). The top of the sliding rod (17) is fixedly connected to the water tank (7). A shock-absorbing spring (18) is sleeved outside the sleeve (16). The two ends of the shock-absorbing spring (18) are respectively fixedly connected to the water tank (7) and the vehicle frame (11).

4. The outdoor fire-fighting water jet gun according to claim 2, characterized in that, A fire hydrant connection port (19) is arranged on the vehicle frame (11). An inlet pipe (71) is arranged inside the water tank (7). One end of the inlet pipe (71) is communicated with the water delivery pipe (9), and the other end is fixedly connected to the fire hydrant connection port (19).

5. The outdoor fire-fighting water jet gun according to claim 1, characterized in that, The horizontal slewing mechanism (2) includes a bearing (21), a turntable (22), a first gear (23), a second driving motor (24) and a second driving gear (25). The bearing (21) and the second driving motor (24) are arranged at intervals on the support plate (8). The turntable (22) is arranged on the bearing (21). On the turntable (22), there is a through hole one (26) for the water delivery pipe (9) to pass through. The first gear (23) is sleeved outside the turntable (22). The second driving gear (25) is arranged at the output end of the second driving motor (24). The second driving gear (25) meshes with the first gear (23).

6. The outdoor fire-fighting water jet gun according to claim 1, characterized in that, The vertical pitching mechanism (3) includes a connecting plate (31), a column (32), a fixing ring (33), a rotating shaft (34) and an electric telescopic rod (35). The connecting plate (31) is arranged on the bearing (21). A through hole two (36) for the water delivery pipe (9) to pass through is arranged on the connecting plate (31). The two columns (32) are symmetrically arranged on both sides of the connecting plate (31). The fixing ring (33) is sleeved outside the water spraying mechanism (4). The two rotating shafts (34) are symmetrically arranged on both sides of the fixing ring (33). The end of the rotating shaft (34) not connected to the fixing ring (33) is rotatably connected to the column (32). The two ends of the electric telescopic rod (35) are respectively hinged to the water spraying mechanism (4) and the connecting plate (31).

7. The outdoor fire-fighting jet water cannon according to claim 1, characterized in that, The water spraying mechanism (4) includes a cylinder body (41), a spray head (42) and a rotating sleeve (43). The spray head (42) is arranged at one end of the cylinder body (41). The rotating sleeve (43) is arranged outside the spray head (42), and the inner wall of the rotating sleeve (43) is rotatably connected to the outer wall of the spray head (42). A plurality of corresponding water spraying holes (44) are arranged on both the spray head (42) and the rotating sleeve (43).

8. The outdoor fire-fighting water jet gun according to claim 7, characterized in that A worm gear (45) is sleeved outside the rotating sleeve (43). A bracket (46) is arranged on the cylinder body (41). A worm (47) is rotatably connected between the brackets (46). The worm (47) meshes with the worm gear (45). A driving motor three is arranged outside the bracket (46). The output end of the driving motor three penetrates through the bracket (46) and is connected to the worm (47).

9. The outdoor fire fighting water jet gun according to claim 1, wherein The water delivery pipe (9) is a telescopic hose.

10. The outdoor fire-fighting water jet gun according to claim 1, characterized in that, It further includes a mobile power source (10). The mobile power source (10) is arranged in the mobile mechanism (1). The mobile power source (10) is electrically connected to the mobile mechanism (1), the horizontal slewing mechanism (2), the vertical pitching mechanism (3), the water spraying mechanism (4), the flame detector (5) and the control mechanism (6) respectively.

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