Special unmanned aerial vehicle quick water taking device for fire rescue

Abstract

The invention belongs to the technical field of unmanned aerial vehicle fire extinguishing, particularly relates to a special unmanned aerial vehicle rapid water taking device for fire rescue, and aims at solving the problem that an existing unmanned aerial vehicle cannot achieve rapid water taking. Two water spraying tanks are mounted at the bottom of the storage case, a traction assembly is mounted at the top position in the storage case and comprises two symmetrically mounted traction rope rollers, traction ropes are wound in the traction rope rollers, and water taking tanks are hung at the bottoms of the two traction ropes; a water taking tank hanging spring is fixed to the top of the water taking tank, and the traction rope is fixed to a disc on the top of the water taking tank hanging spring. During water drainage and fire extinguishment, the lifting screw rod controls lifting of the lifting ring, angle adjustment of the nine water drainage swing blocks is achieved, the angle of water drained from the top during fire extinguishment can be adjusted, and the fire extinguishment area is adjusted according to the size of a fire.

Description

Technical Field

[0001] The present invention relates to the technical field of unmanned aerial vehicle fire extinguishing, and in particular to a rapid water-taking device for a special unmanned aerial vehicle for fire rescue. Background Art

[0002] As a new industrial technology, drone firefighting has been widely used in various fields. Many firefighting agencies in China have successfully used drones to conduct fire scene reconnaissance and monitoring, and to drop rescue materials, with very obvious results. In the rescue of the Tianjin explosion accident, various departments also used drones to conduct high-altitude reconnaissance of the accident site, providing some reference for rescue decisions. Accurate, intuitive, and comprehensive fire scene analysis data, the application of firefighting drones can directly carry water through drones to accurately extinguish fires at fire locations.

[0003] The existing firefighting drones have the following problems in the process of taking water and extinguishing fires after taking water: when taking water, a large amount of air is trapped inside the water tank, and it relies on its own gravity to take water. The process of filling water by itself is very slow and cannot achieve rapid filling of water. When extinguishing a fire, the water outlet structure at the bottom is single and cannot adjust the range of fire extinguishing according to the size of the fire point. The existing technology is not easy to solve such problems. Therefore, there is an urgent need for a rapid water-taking device for fire rescue drones to solve the above problems. Summary of the invention

[0004] Based on the technical problem that current drone water collection cannot achieve rapid water collection, the present invention proposes a rapid water collection device for drones dedicated to fire rescue.

[0005] The invention provides a rapid water-taking device for a special unmanned aerial vehicle for fire rescue, comprising a fixed top plate, a storage case being fixed to the bottom of the fixed top plate by bolts, two water spray boxes being installed at the bottom of the storage box, a traction assembly being installed at the top position inside the storage box, the traction assembly comprising two symmetrically installed traction rope rollers, a traction rope being wound inside the traction rope rollers, a water taking box being hung at the bottom of the two traction ropes, a water taking box hanging wire being fixed to the top of the water taking box, the traction rope being fixed to a disc at the top of the water taking box hanging wire, a water storage chamber being provided inside the water taking box, a water diversion bottom ring being fixed to the bottom of the water taking box, a sealing plate groove being provided on the bottom inner wall of the water taking box, a fixed bracket being fixed to the inner walls of the water taking box and the water diversion bottom ring by bolts, and a float sliding rod being provided on the middle sliding sleeve of the fixed bracket, a float sliding rod being fixed to the bottom of the float sliding rod, and a sealing plate being fixed to the top of the float sliding rod.

[0006] Preferably, a traction rope is fixed at a middle position inside the storage box.

[0007] Preferably, a deflection steering gear box is fixed to the side wall of the storage box, and a deflection connecting arm is installed between the deflection steering gear box and the water spray box, a steering gear is fixed inside the deflection steering gear box, and the output shaft of the steering gear is fixed to the rotating shaft of the deflection connecting arm.

[0008] Preferably, the traction assembly also includes a traction rope roller bracket fixed to the top inner wall of the storage case, the axial end of the traction rope roller is installed with the traction rope roller bracket through a bearing, a driving motor is fixed at the middle position of the top inner wall of the storage case, and a driving bevel gear is fixed to the output shaft of the driving motor, and the driving bevel gear is meshed with the driven bevel gear.

[0009] Preferably, a rotating round seat is installed on the top of the storage box through a bearing, a guide rope pulley is fixed to the bottom of the rotating round seat through bolts, and the traction rope passes through the top of the guide rope pulley for suspension installation.

[0010] Preferably, exhaust components are provided inside both sides of the water intake tank, the exhaust component includes an air outlet slot hole opened on the inner wall of the water intake tank, the top of the air outlet slot hole extends to the outside and is connected to the outside, the inner wall of the water intake tank is also provided with an exhaust slot hole, the top of the exhaust slot hole extends to the inside of the water storage chamber and is connected, the exhaust component also includes a driving pump installed on the bottom inner wall of the water intake tank, the top suction end of the driving pump is connected to the exhaust slot hole, and the top exhaust end of the driving pump is connected to the air outlet slot hole.

[0011] Preferably, two counterweights are embedded and installed on the inner wall of the bottom of the water intake tank.

[0012] Preferably, a water spray bottom block is installed at the bottom of the water spray box, a sealing ring is installed on the bottom inner wall of the water spray box, a ring groove is opened on the top of the sealing ring, the bottom of the water diversion bottom ring is clamped in the ring groove of the sealing ring, and a float block is fixed to the inner wall of the sealing ring by bolts.

[0013] Preferably, the inner wall of the water spray bottom block is installed with nine drainage pendulum blocks distributed in a circular array through bearings, the top and bottom of the drainage pendulum blocks are through structures, and a sealing rubber plate is installed on the inner wall of the water spray bottom block in the middle of the nine drainage pendulum blocks.

[0014] Preferably, a lifting ring groove is provided on the inner wall of the water spray bottom block, a limiting slide rod is fixed between the top and bottom of the lifting ring groove, a horizontal lifting ring is slidably installed inside the lifting ring groove, the lifting ring and the limiting slide rod are slidably installed, a lifting screw rod is installed inside the lifting ring groove through a bearing, the lifting screw rod and the lifting ring are threadedly installed, and the bottom of the sealing plate and the side walls of the nine drainage pendulum blocks are hingedly installed with connecting rods.

[0015] The beneficial effects of the present invention are:

[0016] 1. This rapid water-taking device for drones used for fire rescue, when draining water to extinguish a fire, the lifting screw controls the lifting and lowering of the lifting ring to adjust the angle of the nine drainage blocks. The angle of water discharged from the top during fire extinguishing can be adjusted, and the fire extinguishing area can be adjusted according to the size of the fire.

[0017] 2. The rapid water-taking device for the special drone for fire rescue, when taking water, two driving pumps are in operation, and the air in the water storage chamber is quickly extracted through the exhaust slot holes to speed up the water-taking process. After taking water, the drone rises, and the sealing plate descends and closes the sealing plate slot to prevent water leakage.

[0018] 3. The rapid water-taking device for the drone used for fire rescue, the driving motor at the top drives the two driven bevel gears to rotate by driving the bevel gear, the two traction rope rollers rotate to release the traction ropes, and the two water-taking tanks descend to the water surface. When they touch the water surface, the floating ball at the bottom lifts up the internal sealing plate, and water can enter the water storage chamber.

[0019] 4. The rapid water-taking device for the special drone for fire rescue has two water spray tanks, which are opened when taking water, making the water-taking process of the water tanks convenient. After taking water, the two water spray tanks are closed, which can effectively protect the internal water tanks, and the water spray components at the bottom can also improve the efficiency of fire extinguishing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a rapid water extraction device for a fire rescue drone proposed by the present invention;

[0021] Figure 2 This is a schematic diagram of the overall structure and water intake state of a rapid water intake device for a special unmanned aerial vehicle for fire rescue proposed by the present invention;

[0022] Figure 3 This is a schematic diagram of the water tank structure of a rapid water-taking device for a fire rescue drone proposed by the present invention;

[0023] Figure 4 A rapid water extraction device for a fire rescue drone proposed by the present invention Figure 3 A schematic diagram of the enlarged structure of part A;

[0024] Figure 5 This is a schematic diagram of the internal structure of a water tank for a rapid water collection device for a fire rescue drone proposed by the present invention;

[0025] Figure 6 This is a schematic diagram of a floating ball structure of a rapid water extraction device for a fire rescue drone proposed by the present invention;

[0026] Figure 7This is a schematic diagram of the structure of a water spray box for a rapid water extraction device for a fire rescue drone proposed by the present invention;

[0027] Figure 8 This is a schematic diagram of the partial structure of a water spray tank for a quick water extraction device of a special UAV for fire rescue proposed by the present invention.

[0028] In the figure: 1. Fixed top plate; 2. Storage box; 3. Deflection steering box; 4. Water spray box; 5. Water spray bottom block; 6. Deflection connecting arm; 7. Traction rope; 8. Water intake tank; 9. Water diversion bottom ring; 10. Traction rope roller; 11. Water intake tank hanging wire; 12. Driven bevel gear; 13. Driving bevel gear; 14. Driving motor; 15. Traction rope roller bracket; 16. Guide rope pulley; 17. Rotating round seat; 18. Float ; 19. Drive pump; 20. Sealing plate groove; 21. Sealing plate; 22. Air outlet slot; 23. Water storage chamber; 24. Air exhaust slot; 25. Counterweight; 26. Fixed bracket; 27. Float slide; 28. Float stop block; 29. ​​Sealing ring; 30. Drainage pendulum block; 31. Sealing rubber plate; 32. Lifting ring; 33. Lifting ring groove; 34. Limiting slide; 35. Connecting rod; 36. Lifting screw. DETAILED DESCRIPTION

[0029] Reference Figure 1-Figure 8 A rapid water-taking device for a special unmanned aerial vehicle for fire rescue comprises a fixed top plate 1, a storage case 2 is fixed to the bottom of the fixed top plate 1 by bolts, two water spray boxes 4 are installed at the bottom of the storage case 2, a traction assembly is installed at the top position inside the storage case 2, the traction assembly comprises two symmetrically installed traction rope rollers 10, a traction rope 7 is wound inside the traction rope rollers 10, a water-taking box 8 is hung at the bottom of the two traction ropes 7, and a water-taking box hanging wire 1 is fixed to the top of the water-taking box 8 1, the traction rope 7 is fixed to the disc at the top of the water intake tank hanging wire 11, a water storage chamber 23 is opened inside the water intake tank 8, a water diversion bottom ring 9 is fixed to the bottom of the water intake tank 8, a sealing plate groove 20 is opened on the bottom inner wall of the water intake tank 8, the inner walls of the water intake tank 8 and the water diversion bottom ring 9 are fixed with a fixing bracket 26 by bolts, and a floating ball slide rod 27 is provided in the middle sliding sleeve of the fixing bracket 26, a floating ball 18 is fixed to the bottom of the floating ball slide rod 27, and a sealing plate 21 is fixed to the top of the floating ball slide rod 27.

[0030] Furthermore, a traction rope 7 is fixed at a middle position inside the storage box 2 .

[0031] Furthermore, a deflection steering gear box 3 is fixed to the side wall of the storage box 2, and a deflection connecting arm 6 is installed between the deflection steering gear box 3 and the water spray box 4. A steering gear is fixed inside the deflection steering gear box 3, and the output shaft of the steering gear is fixed to the rotating shaft of the deflection connecting arm 6.

[0032] Furthermore, the traction assembly also includes a traction rope roller bracket 15 fixed to the top inner wall of the storage chassis 2, the axial end of the traction rope roller 10 is installed with the traction rope roller bracket 15 through a bearing, and a driving motor 14 is fixed to the middle position of the top inner wall of the storage chassis 2. The output shaft of the driving motor 14 is fixed with a driving bevel gear 13, and the driving bevel gear 13 is meshed with the driven bevel gear 12.

[0033] Furthermore, a rotating round seat 17 is installed on the top of the storage box 2 through a bearing, a guide rope pulley 16 is fixed to the bottom of the rotating round seat 17 through bolts, and the traction rope 7 is suspended through the top of the guide rope pulley 16.

[0034] Furthermore, exhaust components are provided inside both sides of the water intake tank 8, and the exhaust components include an air outlet slot 22 opened on the inner wall of the water intake tank 8, and the top of the air outlet slot 22 extends to the outside and is connected to the outside. The inner wall of the water intake tank 8 is also provided with an exhaust slot 24, and the top of the exhaust slot 24 extends to the inside of the water storage chamber 23 and is connected. The exhaust component also includes a driving pump 19 installed on the inner wall of the bottom of the water intake tank 8, and the top suction end of the driving pump 19 is connected to the exhaust slot 24, and the top exhaust end of the driving pump 19 is connected to the air outlet slot 22; in the process of taking water, the driving pump 19 draws out the air inside the water storage chamber 23 through the exhaust slot 24, and discharges it out of the water intake tank 8 through the air outlet slot 22. Combined with the fact that the center of gravity of the water intake tank 8 is located at the bottom, the efficiency of water intake is improved.

[0035] Furthermore, two counterweights 25 are embedded and installed on the inner wall of the bottom of the water intake tank 8; the weight of the counterweights 25 can balance the weight of the two drive pumps 19, and the counterweights 25 and the drive pumps 19 are located at the bottom to ensure the stability of the water intake tank 8.

[0036] Furthermore, a water spray bottom block 5 is installed at the bottom of the water spray box 4, a sealing ring 29 is installed on the bottom inner wall of the water spray box 4, a ring groove is opened on the top of the sealing ring 29, the bottom of the water diversion bottom ring 9 is clamped in the ring groove of the sealing ring 29, and a float block 28 is fixed to the inner wall of the sealing ring 29 by bolts.

[0037] Furthermore, the inner wall of the water spray bottom block 5 is installed with nine drainage pendulum blocks 30 distributed in a circular array through bearings. The top and bottom of the drainage pendulum blocks 30 are through structures. The inner wall of the water spray bottom block 5 is installed with a sealing rubber plate 31 in the middle position of the nine drainage pendulum blocks 30.

[0038] Furthermore, a lifting ring groove 33 is opened on the inner wall of the water spray bottom block 5, and a limiting slide rod 34 is fixed between the top and the bottom of the lifting ring groove 33. A horizontal lifting ring 32 is slidably installed inside the lifting ring groove 33. The lifting ring 32 and the limiting slide rod 34 are slidably installed. A lifting screw rod 36 is installed inside the lifting ring groove 33 through a bearing. The lifting screw rod 36 and the lifting ring 32 are threadedly installed. The bottom of the sealing plate 21 and the side walls of the nine drainage pendulum blocks 30 are hingedly installed with connecting rods 35.

[0039] When the present invention is used: the entire water intake device is fixed to the bottom of the drone by fixing the holes on the top plate 1. In the initial state, the steering gear controls the two water spray boxes 4 at the bottom to close. When taking water, the steering gear controls the two water spray boxes 4 to open to both sides. The driving motor 14 at the top drives the two driven bevel gears 12 to rotate by driving the bevel gear 13. The two traction rope rollers 10 rotate to release the traction rope 7. The two water intake boxes 8 are lowered to the water surface. When contacting the water surface, the floating ball 18 at the bottom lifts the internal sealing plate 21. At this time, water can enter the interior of the water storage chamber 23. When taking water, the two driving pumps 19 are running to exhaust the water storage chamber through the exhaust slot 24. The air in the chamber 23 is quickly extracted to speed up the water collection process. After the water is collected, the drone rises, the sealing plate 21 descends and closes with the sealing plate groove 20 to prevent water leakage. When extinguishing a fire, the two water spray boxes 4 are retracted and closed with the bottom of the storage chassis 2, and the float block 28 lifts the float 18. The water inside the water collection tank 8 can flow to the drainage pendulum block 30 at the bottom. The two driving pumps 19 can increase the power of drainage. When draining water for fire extinguishing, the lifting screw 36 controls the lifting and lowering of the lifting ring 32 to achieve the angle adjustment of the nine drainage pendulum blocks 30. The angle of water discharged from the top during fire extinguishing can be adjusted, and the fire extinguishing area can be adjusted according to the size of the fire.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A rapid water-taking device for a special unmanned aerial vehicle for fire rescue, comprising a fixed top plate (1), a storage box (2) being fixed to the bottom of the fixed top plate (1) by bolts, characterized in that: Two water spray boxes (4) are installed at the bottom of the storage box (2), and a traction assembly is installed at the top of the storage box (2). The traction assembly includes two symmetrically installed traction rope rollers (10), and the traction ropes (7) are wound inside the traction rope rollers (10). Water intake boxes (8) are suspended at the bottom of the two traction ropes (7). A water intake box hanging wire (11) is fixed to the top of the water intake box (8). The traction rope (7) is fixed to the disc at the top of the water intake box hanging wire (11). 8) is provided with a water storage chamber (23), a water guide bottom ring (9) is fixed at the bottom of the water intake box (8), a sealing plate groove (20) is provided on the inner wall of the bottom of the water intake box (8), a fixing bracket (26) is fixed to the inner wall of the water intake box (8) and the water guide bottom ring (9) by bolts, and a floating ball slide rod (27) is provided on the middle sliding sleeve of the fixing bracket (26), a floating ball (18) is fixed at the bottom of the floating ball slide rod (27), and a sealing plate (21) is fixed to the top of the floating ball slide rod (27).

2. The rapid water extraction device for a special drone for fire rescue according to claim 1 is characterized in that: A traction rope (7) is fixed at a middle position inside the storage box (2).

3. The rapid water extraction device for a special drone for fire rescue according to claim 1 is characterized in that: A deflection steering gear box (3) is fixed to the side wall of the storage box (2), and a deflection connecting arm (6) is installed between the deflection steering gear box (3) and the water spray box (4). A steering gear is fixed inside the deflection steering gear box (3), and the output shaft of the steering gear is fixed to the rotating shaft of the deflection connecting arm (6).

4. The rapid water extraction device for a special drone for fire rescue according to claim 1 is characterized in that: The traction assembly also includes a traction rope roller bracket (15) fixed to the top inner wall of the storage case (2); the shaft end of the traction rope roller (10) is mounted on the traction rope roller bracket (15) via a bearing; a drive motor (14) is fixed to the middle position of the top inner wall of the storage case (2); a drive bevel gear (13) is fixed to the output shaft of the drive motor (14); and the drive bevel gear (13) is meshed with the driven bevel gear (12).

5. The rapid water extraction device for a special drone for fire rescue according to claim 4 is characterized in that: A rotating round seat (17) is installed on the top of the storage box (2) via a bearing, a guide rope pulley (16) is fixed to the bottom of the rotating round seat (17) via bolts, and the traction rope (7) passes through the top of the guide rope pulley (16) for suspension installation.

6. The rapid water extraction device for a fire rescue drone according to claim 1 is characterized in that: Exhaust components are provided inside both sides of the water intake box (8), and the exhaust components include an air outlet slot (22) provided on the inner wall of the water intake box (8), and the top of the air outlet slot (22) extends to the outside and is connected to the outside. The inner wall of the water intake box (8) is also provided with an exhaust slot (24), and the top of the exhaust slot (24) extends to the inside of the water storage chamber (23) and is connected. The exhaust component also includes a driving pump (19) installed on the inner wall of the bottom of the water intake box (8), and the top suction end of the driving pump (19) is connected to the exhaust slot (24), and the top exhaust end of the driving pump (19) is connected to the air outlet slot (22).

7. The rapid water extraction device for a special drone for fire rescue according to claim 6 is characterized in that: Two counterweights (25) are mounted on the inner wall of the bottom of the water intake box (8).

8. The rapid water extraction device for a special drone for fire rescue according to claim 1 is characterized in that: A water spray bottom block (5) is installed at the bottom of the water spray box (4), a sealing ring (29) is installed on the inner wall of the bottom of the water spray box (4), a ring groove is opened on the top of the sealing ring (29), the bottom of the water diversion bottom ring (9) is clamped in the ring groove of the sealing ring (29), and a floating ball block (28) is fixed to the inner wall of the sealing ring (29) by bolts.

9. The rapid water-taking device for a special drone for fire rescue according to claim 8, characterized in that: The inner wall of the water spray bottom block (5) is equipped with nine drainage pendulum blocks (30) distributed in a circumferential array via bearings, the top and bottom of the drainage pendulum blocks (30) are through structures, and the inner wall of the water spray bottom block (5) is equipped with a sealing rubber plate (31) at a middle position of the nine drainage pendulum blocks (30).

10. The rapid water-taking device for a special drone for fire rescue according to claim 9, characterized in that: The inner wall of the water spray bottom block (5) is provided with a lifting ring groove (33), a limiting sliding rod (34) is fixed between the top and the bottom of the lifting ring groove (33), a horizontal lifting ring (32) is slidably installed inside the lifting ring groove (33), the lifting ring (32) and the limiting sliding rod (34) are slidably sleeved and installed, a lifting screw rod (36) is installed inside the lifting ring groove (33) through a bearing, and the lifting screw rod (36) and the lifting ring (32) are threadedly sleeved and installed, and the bottom of the sealing plate (21) and the side walls of the nine drainage swing blocks (30) are hingedly installed with connecting rods (35).

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