Electrically-driven fire-fighting smoke exhaust fan with side rotary structure

Abstract

The utility model discloses an electric drive fire-fighting smoke exhaust fan with a side rotary structure, which comprises a fan main body, a rotary speed reducer assembly and a water-cooled motor used for driving the fan main body, the fan main body comprises a cylindrical shell and a rotary support fixed on the outer side of the shell, the rotary support extends along the radial direction of the cylindrical shell, and the rotary speed reducer assembly is fixed on the rotary support. The rotary speed reducer assembly comprises a rotary speed reducing motor body and a driving device, the output end of the rotary speed reducing motor body is fixedly connected with the rotary base, and the driving device is used for driving the output end of the rotary speed reducing motor body to rotate, so that the fan body is driven to rotate by 360 degrees around the extending axis of the rotary base. The smoke exhaust fan is of a side-arranged full-rotation structure and can stably rotate by 360 degrees, the fan is controlled to rotate according to the actual site situation to adapt to different smoke exhaust or air supply points, and the scene adaptability is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire fighting equipment, concretely relates to a side rotary structure's electric drive fire fighting smoke exhaust fan. BACKGROUND

[0002] According to statistical research, the main reason of death in fire is inhaling toxic smoke and oxygen deficiency, especially in narrow space such as underground parking lot, large rescue vehicles are difficult to enter when fire occurs, which brings serious threat to people's life and property safety.

[0003] There are mainly two kinds of fire smoke exhaust fans, one is integrated on large rescue vehicles, and one is installed on remote control robot, when rescue operation is carried out in narrow space such as underground parking lot, the smoke exhaust robot with fan has more advantages. At present, the mainstream fire smoke exhaust fan on the market mostly adopts hydraulic motor drive or air-cooled motor drive, and its high temperature resistance is limited, and it cannot work continuously for a long time. The fixing of the fan is fixed through the small pin shaft structure form of both ends, the fan can only move up and down through the oil cylinder or realize a certain small angle of pitching action, and cannot realize 360 degree large angle rotation, so the smoke exhaust direction is limited, the scene adaptability is limited, and the fan can only suck smoke outside the smoke outlet, and some specified direction smoke outlet cannot be aligned, so the smoke exhaust efficiency is low. UTILITY MODEL CONTENT

[0004] UTILITY MODEL OBJECT: in view of the above problems, the utility model provides a scene adaptability high side rotary structure's electric drive fire fighting smoke exhaust fan.

[0005] TECHNICAL SCHEME: in order to solve the above problems, the utility model adopts a kind of side rotary structure's electric drive fire fighting smoke exhaust fan, including fan main body, rotary reducer assembly, water-cooled motor for driving fan main body, the fan main body includes cylindrical shell, one rotary support fixed to the outside of shell, rotary base extends along the radial direction of cylindrical shell, the rotary reducer assembly includes rotary reduction motor main body, drive device, the output end of rotary reduction motor main body is fixedly connected with rotary base, the drive device is used to drive the output end of rotary reduction motor main body rotation, to drive fan main body rotate around rotary base extension axis 360 degrees.

[0006] Further, the shell of the fan main body includes wind collecting section, transmission section and spray section, the wind collecting section is the smoke suction inlet when exhausting smoke, and adopts aluminum alloy material;The transmission section is used to support the weight of the whole fan and bear the motor working torque, and adopts high-strength steel material;The spray section is used for installing spray head, and adopts aluminum alloy material. The wind collecting section is in the form of horn.

[0007] Further, the transmission section comprises a cylindrical body structure, a motor mounting seat fixed to the inner side of the cylindrical body structure and a pipeline seat, the motor mounting seat is fixed to the inner center of the cylindrical body structure through uniformly distributed flow guides, and the pipeline seat comprises a plurality of wire holes for positioning cables and water pipes.

[0008] Further, the water cannon is arranged at the inner center of the cylindrical body structure.

[0009] Further, the slewing bearing is a cylindrical flange structure, and a pipeline is arranged in the inner center of the slewing bearing, and the pipeline is used for conveying water to the water cannon.

[0010] Further, the outer cover is a whole structure, is arranged outside the fan main body shell, and is provided with a hollow structure for the slewing base to extend out of the outer cover.

[0011] Further, the slewing reducer assembly further comprises an encoder, and the encoder is used for detecting the zero position and the slewing angle of the fan.

[0012] Further, the water-cooled motor comprises a waterway cooling system, the cooling water in the waterway cooling system is circulated to timely take away heat generated by the water-cooled motor during operation, an electric resistance type temperature sensor is arranged on the water-cooled motor and is used for detecting the temperature in the motor, and a heat insulation layer is arranged outside the water-cooled motor and comprises silica gel cloth, ceramic cotton and aluminum foil.

[0013] Advantages: compared with the prior art, the smoke exhaust fan of the utility model has the advantages that the smoke exhaust fan is provided with a full slewing structure, can stably slewing 360 degrees, can control the rotation of the fan according to the actual situation of the scene, can adapt to different smoke exhaust or air supply points, and has better scene adaptability. The smoke exhaust fan has a three-section structure, and the non-stress components can be made of light materials to realize the overall light weight of the fan. The smoke exhaust fan is driven by a water-cooled motor, has small size and light weight, can adapt to long-time smoke high-temperature environment operation, is provided with motor heat insulation cotton and a waterway cooling system, can prevent the motor from having large temperature rise, and ensures the safe and stable operation of the fan in the smoke environment for a long time. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 Fig. 1 is a schematic structural diagram of the whole structure of the electric drive fire-fighting smoke exhaust fan in the utility model.

[0015] Fig. 2 Fig. 2 is a partial sectional view of the electric drive fire-fighting smoke exhaust fan in the utility model.

[0016] Fig. 3 Fig. 3 is a schematic structural diagram of the fan main body in the utility model.

[0017] Fig. 4The utility model discloses a fan main body shell end face sectional view. DETAILED DESCRIPTION

[0018] As Figs. 1 to 4 shown, the electric drive fire-fighting smoke exhaust fan of one side rotary structure in the embodiment is composed of three-section fan main body 1, cover 2, rotary reducer assembly 3, water-cooled motor 4 and water cannon 5.

[0019] Three-section fan main body 1 is composed of wind collecting section 1-1, transmission section 1-2 and spraying section 1-3. Wind collecting section 1-1 is in the shape of a horn, which is used for sucking smoke when discharging smoke, and its material is aluminum alloy, which reduces the weight of the whole fan. Transmission section 1-2 is composed of main body structure 1-2-1, rotary support 1-2-2, motor mounting seat 1-2-3, pipeline 1-2-4 and pipeline seat 1-2-5. Main body structure 1-2-1 is made of high-strength steel into a conical structure, which is used for supporting the weight of the whole fan and bearing the working torque of the motor, and is in the shape of a cylinder. Rotary support 1-2-2 is in the shape of a flange structure, which is welded and fixed at the outer side of main body structure 1-2-1 and extends outward along the radial direction of the cylindrical main body structure 1-2-1, and the other end is connected to the output end of rotary reducer 3, so as to realize the 360° rotation of the fan. Motor mounting seat 1-2-3 is fixed in the center of the fan through evenly distributed flow guide plates, and water-cooled motor 4 is fixed in the form of flange installation. Pipeline 1-2-4 is used for delivering water to water cannon 5, and the center of the water inlet section coincides with the center of rotary support 1-2-2, and rotates with the fan. The water outlet section is designed in the shape of S to avoid water-cooled motor 4, and the water outlet is connected and fixed with water cannon 5. Pipeline seat 1-2-5 is above rotary support 1-2-2, and its structure is arranged along the radial direction of the circumference of main body structure 1-2-1, and has three large wire holes and two small wire holes. The three large wire holes are respectively used for the power cable of water-cooled motor 4, the water inlet pipe and the return pipe of the cooling pipeline, and the two small wire holes are respectively used for the temperature sensor wire of water-cooled motor 4 and the control wire of water cannon 5. The pipeline is arranged along the radial direction of the inner wall of main body structure 1-2-1, which does not affect the air volume of the fan, and the pipeline is smooth. Spraying section 1-3 is made of aluminum alloy, which is used for reducing the weight of the whole fan, and a certain number of nozzles are evenly arranged in the circumferential direction at the air outlet, so as to realize the spraying effect of fine water mist when the fan works.

[0020] Cover 2 is in the form of an integral structure, which covers three-section fan main body 1, and its material is aluminum alloy, which reduces the weight of the whole fan. A layer of high-temperature-resistant soundproof cotton is attached to the inside of cover 2, which reduces the noise when the fan works. Cover 2 is provided with a hollow structure for rotary support 1-2-2 to extend out of cover 2.

[0021] The slewing reducer assembly 3 is composed of a slewing reducer body 3-1, a driving device 3-2 and an encoder 3-3. One end of the slewing reducer body 3-1 is connected to an external fixing device, and the other end is connected to the slewing bearing 1-2-2. The driving device 3-2 drives the fan to rotate 360° around the center of the slewing reducer body 3-1 relative to the external fixing device. The encoder 3-3 is used to detect the zero position and the rotation angle of the fan.

[0022] The water-cooled motor 4 contains a water cooling system inside. The heat generated by the motor during operation is carried away in time by the circulating flow of cooling water. The motor is equipped with a resistance temperature sensor for detecting the internal temperature of the motor. The outside of the motor is wrapped with motor heat insulation cotton made of silicone cloth, ceramic cotton and aluminum foil. The maximum temperature drop can reach 300°C, effectively preventing the intrusion of external heat.

Claims

1. A side rotary structure electrically driven fire smoke exhaust fan, characterized in that, The fan body (1) includes a cylindrical shell, a rotary support (1-2-2) fixed to the outside of the shell, and a rotary base (1-2-2) extending along the radial direction of the cylindrical shell.

2. The electrically driven fire and smoke extraction fan of side-located rotary construction according to claim 1, characterized in that The shell of the fan body (1) includes a wind collecting section (1-1), a transmission section (1-2), and a spraying section (1-3). The wind collecting section (1-1) is the smoke inlet during smoke exhaust and is made of aluminum alloy. The transmission section (1-2) is used to support the weight of the entire fan and bear the motor working torque and is made of high-strength steel. The spraying section (1-3) is used to install the spray head and is made of aluminum alloy.

3. The electrically driven fire and smoke extraction fan of side-on rotary construction according to claim 2, characterised in that, The wind collecting section (1-1) is in the shape of a horn.

4. The electrically driven fire and smoke extraction fan of side-located rotary construction according to claim 2, characterised in that, The transmission section (1-2) includes a cylindrical main body structure (1-2-1), a motor mounting seat (1-2-3) fixed to the inside of the cylindrical main body structure (1-2-1), and a pipeline seat (1-2-5). The motor mounting seat (1-2-3) is fixed to the inner center of the cylindrical main body structure (1-2-1) through evenly distributed guide plates. The pipeline seat (1-2-5) includes a plurality of wire holes for the passage of cables and water pipes.

5. The electrically-driven fire and smoke exhaust fan of side-mounted rotary construction according to claim 4, characterized in that A water cannon (5) is also provided at the inner center of the cylindrical main body structure (1-2-1).

6. The electrically driven fire and smoke extraction fan of side-on rotary construction according to claim 5, characterised in that, The rotary support (1-2-2) is in the shape of a cylindrical flange structure with an internal hollow pipeline (1-2-4) for supplying water to the water cannon (5).

7. The electrically driven fire and smoke extraction fan of side-located rotary construction according to claim 1, characterized in that, An outer cover (2) is also included, which is in an integral structure and covers the outside of the shell of the fan body (1). The outer cover (2) is provided with a hollow structure for the rotary base (1-2-2) to extend out of the outer cover (2). The outer cover is made of aluminum alloy.

8. The electrically driven fire and smoke extraction fan of side-located rotary construction according to claim 7, characterised in that, The inner part of the outer cover (2) is attached with a high-temperature-resistant sound insulation material.

9. The high temperature resistant electrically driven smoke evacuation robot of claim 1, wherein, The rotary reduction gear assembly (3) also includes an encoder (3-3) for detecting the zero position and the rotation angle of the fan.

10. The high temperature resistant electrically driven smoke evacuation robot of claim 1, wherein, The water-cooled motor (4) contains a water cooling system inside. The circulating flow of cooling water in the water cooling system can timely remove the heat generated by the operation of the water-cooled motor. An electric resistance type temperature sensor is installed on the water-cooled motor for detecting the internal temperature of the motor. The outer side of the water-cooled motor is wrapped with a heat insulation layer, which includes silicone cloth, ceramic cotton, and aluminum foil.

Images