Suspension type automatic water mist fire extinguishing device

Abstract

The utility model relates to the technical field of water mist fire extinguishing, in particular to a suspension type automatic water mist fire extinguishing device which comprises a machine body, two telescopic hoses are fixedly connected to the machine body, and a first water distribution pipe and a second water distribution pipe are fixedly connected to the two telescopic hoses respectively. Water mist nozzles are arranged on the first water distribution pipe and the second water distribution pipe in a matched mode, four air cylinders connected with the first water distribution pipe and the second water distribution pipe are fixedly connected to the machine body, and two guide frames are fixedly connected to the machine body. According to the water mist spraying device, the motor serves as a driving source, the worm drives the first water distribution pipe and the second water distribution pipe to rotate through the worm gear, and therefore the water mist spraying heads on the first water distribution pipe and the second water distribution pipe are driven to rotate; according to the technical scheme, the spraying angle of the water mist spray head is adjusted through the worm gear and the worm, and the flexibility of the water mist fire extinguishing device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fine water mist fire extinguishing, in particular to a suspended automatic fine water mist fire extinguishing device. Background Art

[0002] As a new alternative technology, the water mist automatic fire extinguishing system has shown very superior characteristics and has attracted widespread attention from the international fire protection community. The high-pressure single-fluid water mist fire extinguishing system is suitable for extinguishing Class A, Class B, and electrical fires. Due to its advanced fire extinguishing mechanism, its use is basically not restricted by location and can be used on land, sea, and space.

[0003] In the prior art, when water mist fire extinguishing operations are required, a suspended automatic water mist fire extinguishing device disclosed in Chinese application number CN202321198685.6 is often used. This suspended automatic water mist fire extinguishing device is provided with a fire extinguishing component, so that it can perform fire extinguishing operations on fires in different directions, and the operation is simple, thereby further improving the practicality of the suspended automatic water mist fire extinguishing device.

[0004] Although the above technical solution drives the water tank to rotate through the fire extinguishing component, and then drives the first fine water mist nozzle and the second fine water mist nozzle to move circumferentially to adapt to the fire points at different circumferential positions, the spraying angles of the first fine water mist nozzle and the second fine water mist nozzle are fixed, the fire points located at some positions cannot be quickly extinguished by the first fine water mist nozzle and the second fine water mist nozzle. Utility Model Content

[0005] The utility model aims to solve the problem in the prior art that fire points located at some positions cannot be quickly extinguished by the first fine water mist nozzle and the second fine water mist nozzle, and proposes a suspended automatic fine water mist fire extinguishing device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A suspended automatic fine water mist fire extinguishing device, comprising a body, two telescopic hoses are fixedly connected to the body, a first water branch pipe and a second water branch pipe are fixedly connected to the two telescopic hoses respectively, the first water branch pipe and the second water branch pipe are matched with fine water mist nozzles, and four cylinders connected to the first water branch pipe and the second water branch pipe are fixedly connected to the body;

[0008] Two guide frames are fixedly connected to the body, and two guide grooves are provided on the two guide frames. A welded mounting plate and a spring are provided in the two guide grooves, and a connecting plate is fixedly connected between the mounting plate and the output end of the cylinder;

[0009] A driving mechanism for driving the first water distribution pipe and the second water distribution pipe to rotate is provided on the mounting plate.

[0010] Preferably, the guiding frame is in a U-shaped structure, and the two guiding grooves are opened on the inner sides of both ends of the guiding frame.

[0011] Preferably, the mounting plate is slidably sleeved in the guiding groove, and the spring is welded at the outer end position of the guiding groove.

[0012] Preferably, a collar is fixedly connected to the output end of the air cylinder, and the collar is respectively rotatably connected to the first water distribution pipe and the second water distribution pipe.

[0013] Preferably, the driving mechanism includes two motors respectively fixedly installed on the two mounting plates, a worm is fixedly connected to the output end of the motor, and worm wheels meshing with the worm are fixedly sleeved on both the first water distribution pipe and the second water distribution pipe.

[0014] Preferably, the worm wheel is sleeved on one end of the first water distribution pipe and the second water distribution pipe close to the guiding frame.

[0015] Compared with the prior art, the present utility model has the following advantages:

[0016] 1. In the present utility model, the motor is used as the driving source, and the worm drives the first water distribution pipe and the second water distribution pipe to rotate through the worm wheel, thereby driving the fine water mist nozzles on the first water distribution pipe and the second water distribution pipe to rotate. Compared with the prior art in which the spraying angles of the first water distribution pipe and the second water distribution pipe are fixedly set, the spraying angles of the fine water mist nozzles are adjusted through the worm wheel and the worm in this technical solution, which helps to improve the flexibility of the fine water mist fire extinguishing device.

[0017] 2. When the lead angle of the worm in the present utility model is less than the equivalent friction angle between the meshing gear teeth, the worm and worm wheel mechanism has self-locking property, so that reverse self-locking can be realized, that is, only the worm can drive the worm wheel, and the worm wheel cannot drive the worm, which helps to ensure the stability of the fine water mist nozzle after adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of a suspended automatic fine water mist fire extinguishing device proposed by the present utility model;

[0019] Figure 2 is an isometric view of a suspended automatic fine water mist fire extinguishing device proposed by the present utility model;

[0020] Figure 3 is a schematic structural diagram of the motor, worm and worm wheel of a suspended automatic fine water mist fire extinguishing device proposed by the present utility model;

[0021] Figure 4Schematic diagram of the guide frame structure of a suspended automatic fine water mist fire extinguishing device proposed by the present utility model.

[0022] In the figure: 1, body; 2, telescopic hose; 3, first water distribution pipe; 4, second water distribution pipe; 5, fine water mist nozzle; 6, cylinder; 7, guide frame; 8, guide groove; 9, mounting plate; 10, spring; 11, connecting plate; 12, motor; 13, worm; 14, worm gear. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0024] Refer to Figure 1-Figure 4 , a suspended automatic fine water mist fire extinguishing device, including a body 1, two telescopic hoses 2 are fixedly connected to the body 1, a first water distribution pipe 3 and a second water distribution pipe 4 are respectively fixedly connected to the two telescopic hoses 2, and fine water mist nozzles 5 are arranged in a matching manner on the first water distribution pipe 3 and the second water distribution pipe 4;

[0025] Four cylinders 6 connected to the first water distribution pipe 3 and the second water distribution pipe 4 are fixedly connected to the body 1, a collar is fixedly connected to the output end of the cylinder 6, and the collar is respectively rotatably connected to the first water distribution pipe 3 and the second water distribution pipe 4. Through the arrangement of the collar, the cylinder 6 can drive the first water distribution pipe 3 and the second water distribution pipe 4 to perform horizontal position offset, so that the rotation of the first water distribution pipe 3 and the second water distribution pipe 4 is interfered by the movement of the output end of the cylinder 6;

[0026] Two guide frames 7 are fixedly connected to the body 1, the guide frame 7 is in a U-shaped structure, two guide grooves 8 are opened on both guide frames 7, the two guide grooves 8 are opened on the inner sides of both ends of the guide frame 7, and a mounting plate 9 and a spring 10 are welded in both guide grooves 8. The mounting plate 9 is slidably sleeved in the guide groove 8, and the guide groove 8 can guide and limit the mounting plate 9 to ensure the stability of the mounting plate 9 during movement. The spring 10 is welded at the outer end position of the guide groove 8, and the elastic force of the spring 10 can provide buffer protection for the mounting plate 9. A connecting plate 11 is fixedly connected between the mounting plate 9 and the output end of the cylinder 6;

[0027] A driving mechanism for driving the first water distribution pipe 3 and the second water distribution pipe 4 to rotate is arranged on the mounting plate 9. By adjusting the rotation angle of the first water distribution pipe 3 and the second water distribution pipe 4, the spraying angle of the fine water mist nozzle 5 is changed, and in cooperation with the telescopic movement of the cylinder 6, the fine water mist fire extinguishing device can extinguish the ignition points at different height positions;

[0028] It is further explained that the driving mechanism includes two motors 12 respectively fixedly mounted on two mounting plates 9, a worm 13 is fixedly connected to the output end of the motor 12, a worm wheel 14 meshingly connected to the worm 13 is fixedly mounted on the first water distribution pipe 3 and the second water distribution pipe 4, and the worm wheel 14 is mounted on one end of the first water distribution pipe 3 and the second water distribution pipe 4 close to the guide frame 7, and the self-locking property of the worm 13 and the worm wheel 14 can ensure the stability of the first water distribution pipe 3 and the second water distribution pipe 4 after the driving mechanism drives the first water distribution pipe 3 and the second water distribution pipe 4 to rotate;

[0029] It should be noted that the specific models and specifications of the first water distribution pipe 3, the second water distribution pipe 4, the fine water mist nozzle 5, the cylinder 6 and the motor 12 need to be selected and determined according to the actual specifications of the device. The specific selection calculation method adopts the existing technology in this field, so it is not repeated here.

[0030] The functional principle of the utility model can be explained through the following operation modes:

[0031] When the machine body 1 detects the ignition point, the cylinder 6 drives the first water distribution pipe 3 and the second water distribution pipe 4 to move, so as to adjust the spraying position of the fine water mist nozzle 5 on the first water distribution pipe 3 and the second water distribution pipe 4, and the cylinder 6 drives the connecting plate 11 to move, and the connecting plate 11 drives the mounting plate 9 to move in the guide groove 8 and squeeze the spring 10.

[0032] The starting motor 12 drives the worm 13 to rotate, the worm 13 drives the worm wheel 14 to rotate, the worm wheel 14 drives the first water distribution pipe 3 and the second water distribution pipe 4 to rotate, the first water distribution pipe 3 and the second water distribution pipe 4 drive the telescopic hose 2 to move, so as to adjust the spraying angle of the fine water mist nozzle 5 on the first water distribution pipe 3 and the second water distribution pipe 4.

[0033] 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 within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A suspended automatic fine water mist fire extinguishing device, comprising a body (1), two telescopic hoses (2) are fixedly connected to the body (1), a first water distribution pipe (3) and a second water distribution pipe (4) are fixedly connected to the two telescopic hoses (2), the first water distribution pipe (3) and the second water distribution pipe (4) are matched with fine water mist nozzles (5), characterized in that: Four cylinders (6) fixedly connected to the first water distribution pipe (3) and the second water distribution pipe (4) are fixedly connected to the body (1); Two guide frames (7) are fixedly connected to the body (1). Two guide grooves (8) are formed in each of the two guide frames (7). A mounting plate (9) and a spring (10) welded together are arranged in each of the two guide grooves (8). A connecting plate (11) is fixedly connected between the mounting plate (9) and the output end of the cylinder (6); A driving mechanism for driving the first water distribution pipe (3) and the second water distribution pipe (4) to rotate is arranged on the mounting plate (9).

2. A suspended automatic water mist fire extinguishing device according to claim 1, characterized in that: The guide frame (7) is in a U-shaped structure, and the two guide grooves (8) are formed in the inner sides of both ends of the guide frame (7).

3. A suspended automatic water mist fire extinguishing device according to claim 1, characterized in that: The mounting plate (9) is slidably sleeved in the guide groove (8), and the spring (10) is welded at the outer end of the guide groove (8).

4. A suspended automatic water mist fire extinguishing device according to claim 1, characterized in that: A collar is fixedly connected to the output end of the cylinder (6), and the collar is respectively rotatably connected to the first water distribution pipe (3) and the second water distribution pipe (4).

5. The suspended automatic water mist fire extinguishing device according to claim 1, characterized in that: The driving mechanism includes two motors (12) respectively fixedly installed on the two mounting plates (9). A worm (13) is fixedly connected to the output end of the motor (12). Worms (14) meshing with the worm (13) are fixedly sleeved on both the first water distribution pipe (3) and the second water distribution pipe (4).

6. A suspended automatic water mist fire extinguishing device according to claim 5, characterized in that: The worm (14) is sleeved on one end of the first water distribution pipe (3) and the second water distribution pipe (4) close to the guide frame (7).

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