CN218900661U - Fire control is with high-efficient auxiliary device of low floor of putting out a fire - Google Patents

Abstract

The utility model relates to the technical field of fire extinguishment and discloses a low-floor fire extinguishment efficient auxiliary device for fire extinguishment, which comprises a bottom plate, wherein rollers are rotatably arranged on the bottom plate, an operating rod is fixed at the top of the bottom plate, a vertical rod is fixed at the top of the bottom plate, a lifting rod is slidably arranged on one side of the vertical rod, a lifting device for driving the lifting rod to lift is arranged on the vertical rod, an adjusting box is fixed at the top of the lifting rod, and a vertical shaft is rotatably arranged at the top of the adjusting box. The utility model realizes the fixation of the spray pipe, does not need to hold the spray pipe, saves labor, realizes the motorized adjustment of the spray angle, the spray direction and the spray height of the spray pipe, realizes the large-scale spray adjustment, does not need manual operation, greatly reduces the labor intensity during fire extinguishing, blows away the fire extinguishing smoke flowing to operators during fire extinguishing, ensures the working environment of the operators, and improves the safety of fire extinguishing.

Description

Fire control is with high-efficient auxiliary device of low floor of putting out a fire

Technical Field

The utility model relates to the technical field of fire extinguishment, in particular to a low-floor fire extinguishment efficient auxiliary device for fire extinguishment.

Background

Fire control is to eliminate prevention (namely, the general term of preventing and solving human and natural and accidental disasters encountered by people in the life, work and study processes), and the narrow meaning of the fire control is that at the beginning of people's understanding: (putting out) fire.

The basic principle of fire extinction is known from several basic conditions which are necessary for combustion, and fire extinction is a process of terminating a combustion reaction by destroying combustion conditions. The basic principle is summarized in the following four aspects: cooling, choking, isolation and chemical inhibition.

At present, most of low-rise fire extinguishment adopts a manual spray head to spray water upwards to extinguish the fire, the height of the manual spray head to spray water upwards to extinguish the fire is not very high, the water spraying range is too small, and meanwhile, the manual spray head is used for spraying water, so that the labor intensity is high.

During fire extinguishing, the dense smoke of fire extinguishing can flow to staff operating the device, and the normal work of the staff is greatly influenced. Therefore, we propose a low-floor fire-extinguishing high-efficiency auxiliary device for fire control to solve the above problems.

Disclosure of Invention

The utility model provides a low-floor fire-extinguishing efficient auxiliary device for fire control, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a fire control is with high-efficient auxiliary device of low floor put out a fire, includes the bottom plate, rotate on the bottom plate and install the gyro wheel, the top of bottom plate is fixed with the action bars, the top of bottom plate is fixed with the montant, one side slidable mounting of montant has the lifter, be equipped with on the montant and drive lifter lift's elevating gear, the top of lifter is fixed with the regulation box, the top of regulation box rotates and installs the vertical axis, the rotating device who drives vertical axis pivoted in the regulation box, the top of vertical axis is fixed with the registration arm, be equipped with in the registration arm and be used for the spray pipe, the spray pipe is connected with the conveyer hose, be equipped with in the registration arm and be used for the centre gripping the clamping device of spray pipe, one side slidable mounting of vertical axis has first lifter with articulated between the bottom of registration arm has the regulation pole, one side of bottom plate is fixed with the drive box, rotates between bottom plate and the drive box and installs the standpipe, the drive box is equipped with the rack, be equipped with the drive reciprocating assembly who drives back and forth movement in the drive box, be equipped with the fixed gear and be equipped with the rack, it is equipped with a plurality of stand pipes to rotate along with the rack, it is fixed with the length of fan blade to have the stack pipe to rotate.

As a preferable technical scheme of the utility model, the lifting device comprises a lifting groove which is arranged on the vertical rod, a gear motor is arranged in the lifting groove, a vertically arranged threaded column is rotatably arranged in the lifting groove, an output shaft of the gear motor is fixedly connected with the threaded column, a second lifting block is slidably arranged in the lifting groove, the second lifting block is in threaded connection with the threaded column, and the lifting block is fixedly connected with the lifting rod.

As a preferable technical scheme of the utility model, the rotating device comprises a servo motor arranged in the regulating box, a driving gear is fixed on an output shaft of the servo motor, the bottom of the vertical shaft is rotationally connected with the inner wall of the bottom of the regulating box, a driven gear is fixedly sleeved on the vertical shaft, and the driving gear is meshed with the driven gear.

As a preferable technical scheme of the utility model, the clamping device comprises a lower clamping plate arranged in the positioning pipe, the top of the positioning pipe is slidably provided with a vertically arranged pull rod, the bottom of the pull rod extends into the positioning pipe and is fixedly provided with an upper clamping plate, the upper clamping plate is positioned right above the lower clamping plate, a spring is fixedly arranged between the top of the upper clamping plate and the inner wall of the top of the positioning pipe, the top of the pull rod slidably penetrates through the upper end surface of the positioning pipe and is fixedly provided with a handle, and the upper clamping plate and the lower clamping plate are respectively positioned at the top and the bottom of the water spraying pipe.

As a preferable technical scheme of the utility model, one side of the vertical shaft is provided with a vertically arranged adjusting groove, an electric telescopic rod which is vertically arranged is fixedly arranged in the adjusting groove, the first lifting block is slidably arranged in the adjusting groove, and a piston rod of the electric telescopic rod is fixedly connected with the first lifting block.

As a preferable technical scheme of the utility model, the reciprocating assembly comprises a motor fixedly arranged in one end of the driving box, a reciprocating screw rod is rotatably arranged in the driving box, an output shaft of the motor is fixedly connected with the reciprocating screw rod, a reciprocating plate in threaded connection with the reciprocating screw rod is slidably arranged in the driving box, and a connecting rod is fixed between the reciprocating plate and the rack.

As a preferable technical scheme of the utility model, a guide plate is fixedly arranged in the driving box in a sliding way, and the guide plate is fixedly connected with one end of the rack, which is far away from the connecting rod.

As a preferable technical scheme of the utility model, the driving device comprises a driving motor fixedly arranged at the top of the vertical pipe, a driving shaft is rotatably arranged in the vertical pipe, an output shaft of the driving motor is fixedly connected with the driving shaft, a bevel gear I is fixedly sleeved on the driving shaft, a mounting shaft is rotatably arranged between the inside of the air outlet pipe and the vertical pipe, a fan blade is arranged on the mounting shaft, a bevel gear II is rotatably arranged on the mounting shaft, and the bevel gear I is meshed with the bevel gear II.

As a preferable technical scheme of the utility model, the bottom of the vertical pipe penetrates through the bottom plate, and a dust screen is fixedly arranged in the bottom of the vertical pipe.

The beneficial effects of the utility model are as follows:

the water spraying pipe is clamped through the upper clamping plate and the lower clamping plate, the water spraying pipe is fixed, the water spraying pipe is not required to be held by hand, labor is saved, the large-range water spraying adjustment is realized through electric adjustment of the water spraying angle, the water spraying direction and the water spraying height of the water spraying pipe, manual operation is not required, and the labor intensity during fire extinguishment is greatly reduced.

Through discharging from the tuber pipe and blowing, through rack round trip movement for gear reciprocal rotation drives the reciprocal rotation of standpipe, makes the reciprocal swing air-out of tuber pipe, and on a large scale is blown, blows away the flue gas of putting out a fire that flows to operating personnel, guarantees operating personnel's operational environment, improves the security of putting out a fire.

The utility model realizes the fixation of the spray pipe, does not need to hold the spray pipe, saves labor, realizes the motorized adjustment of the spray angle, the spray direction and the spray height of the spray pipe, realizes the large-scale spray adjustment, does not need manual operation, greatly reduces the labor intensity during fire extinguishing, blows away the fire extinguishing smoke flowing to operators during fire extinguishing, ensures the working environment of the operators, and improves the safety of fire extinguishing.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

FIG. 2 is a schematic cross-sectional view of the adjustment box, vertical shaft and positioning tube of the present utility model.

Fig. 3 is a schematic sectional view of the driving case of the present utility model.

FIG. 4 is a schematic view of a standpipe according to the present utility model.

Fig. 5 is a schematic view of the structure of the vertical rod of the present utility model.

In the figure: 1. a bottom plate; 2. a roller; 3. an operation lever; 4. a vertical rod; 5. a lifting rod; 6. an adjustment box; 7. a vertical axis; 8. a positioning tube; 9. a lower clamping plate; 10. a handle; 11. a pull rod; 12. An upper clamping plate; 13. a spring; 14. a water spray pipe; 15. a conveying hose; 16. an electric telescopic rod; 17. a first lifting block; 18. an adjusting rod; 19. a servo motor; 20. a drive gear; 21. A driven gear; 22. a drive box; 23. a standpipe; 24. an air outlet pipe; 25. a motor; 26. a reciprocating screw rod; 27. a shuttle plate; 28. a connecting rod; 29. a rack; 30. a gear; 31. a driving motor; 32. a drive shaft; 33. a mounting shaft; 34. a fan blade; 35. a speed reducing motor; 36. a threaded column; 37. and a second lifting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 and 5, a fire-fighting low-floor fire-extinguishing high-efficiency auxiliary device comprises a bottom plate 1, a roller 2 is rotatably installed on the bottom plate 1, an operation rod 3 is fixed at the top of the bottom plate 1, a vertical rod 4 is fixed at the top of the bottom plate 1, a lifting rod 5 is slidably installed on one side of the vertical rod 4, a lifting device for driving the lifting rod 5 to lift is arranged on the vertical rod 4, the lifting device comprises a lifting groove formed in the vertical rod 4, a gear motor 35 is installed in the lifting groove, a threaded column 36 is rotatably installed in the lifting groove, an output shaft of the gear motor 35 is fixedly connected with the threaded column 36, a second lifting block 37 is slidably installed in the lifting groove, the second lifting block 37 is in threaded connection with the threaded column 36, the second lifting block 37 is fixedly connected with the lifting rod 5, and the gear motor 35 is started to drive the threaded column 36 to rotate, and the second lifting block 37 is driven to lift and move to drive the lifting rod 5 to adjust the height.

Referring to fig. 1-2, an adjusting box 6 is fixed at the top of a lifting rod 5, a vertical shaft 7 is rotatably installed at the top of the adjusting box 6, a rotating device for driving the vertical shaft 7 to rotate in the adjusting box 6 comprises a servo motor 19 installed in the adjusting box 6, a driving gear 20 is fixed on an output shaft of the servo motor 19, the bottom of the vertical shaft 7 is rotatably connected with the inner wall of the bottom of the adjusting box 6, a driven gear 21 is fixedly sleeved on the vertical shaft 7, the driving gear 20 is meshed with the driven gear 21, the servo motor 19 is started to drive the driving gear 20 to rotate, the driven gear 21 is driven to rotate, and the vertical shaft 7 is driven to rotate.

Referring to fig. 1-2, the top of the vertical shaft 7 is fixed with a positioning pipe 8, a spray pipe 14 is arranged in the positioning pipe 8, the spray pipe 14 is connected with a conveying hose 15, a clamping device for clamping the spray pipe 14 is arranged in the positioning pipe 8, the clamping device comprises a lower clamping plate 9 which is installed in the positioning pipe 8, a pull rod 11 which is vertically arranged is slidably installed at the top of the positioning pipe 8, the bottom of the pull rod 11 extends into the positioning pipe 8 and is fixed with an upper clamping plate 12, the upper clamping plate 12 is located right above the lower clamping plate 9, a spring 13 is fixed between the top of the upper clamping plate 12 and the top inner wall of the positioning pipe 8, the top of the pull rod 11 slidably penetrates through the upper end face of the positioning pipe 8 and is fixed with a handle 10, the upper clamping plate 12 and the lower clamping plate 9 are respectively located at the top and the bottom of the spray pipe 14, the pull rod 11 is driven to ascend by manually pulling the handle 10 to drive the upper clamping plate 12 to compress the spring 13, the spray pipe 14 is placed between the lower clamping plate 9 and the upper clamping plate 12, and then the handle 10 is released, and the upper clamping plate 12 is driven to descend to be pressed on the spray pipe 14 under the elastic force of the spring 13.

Referring to fig. 2, a first lifting block 17 is slidably mounted on one side of the vertical shaft 7, an adjusting rod 18 is hinged between the first lifting block 17 and the bottom of the positioning tube 8, a vertically arranged adjusting groove is formed in one side of the vertical shaft 7, an electric telescopic rod 16 which is vertically arranged is fixedly mounted in the adjusting groove, the first lifting block 17 is slidably mounted in the adjusting groove, a piston rod of the electric telescopic rod 16 is fixedly connected with the first lifting block 17, and the electric telescopic rod 16 is started to drive the first lifting block 17 to adjust up and down so as to drive the adjusting rod 18 to move so as to drive the positioning tube 8 to perform angle adjustment.

Referring to fig. 3, a driving box 22 is fixed on one side of the bottom plate 1, a vertical pipe 23 is rotatably installed between the bottom plate 1 and the driving box 22, a rack 29 is slidably installed in the driving box 22, a reciprocating assembly for driving the rack 29 to move back and forth is arranged in the driving box 22, the reciprocating assembly comprises a motor 25 fixedly installed in one end of the driving box 22, a reciprocating screw rod 26 is rotatably installed in the driving box 22, an output shaft of the motor 25 is fixedly connected with the reciprocating screw rod 26, a reciprocating plate 27 in threaded connection with the reciprocating screw rod 26 is slidably installed in the driving box 22, a connecting rod 28 is fixed between the reciprocating plate 27 and the rack 29, the motor 25 is started to drive the reciprocating screw rod 26 to rotate, the reciprocating plate 27 is driven to move back and forth, and the connecting rod 28 is driven to move back and forth. A guide plate is fixedly arranged in the driving box 22 in a sliding manner, and the guide plate is fixedly connected with one end, far away from the connecting rod 28, of the rack 29. So that the guide plate provides a guiding action for the movement of the rack 29.

Referring to fig. 3, a gear 30 is fixedly sleeved on the standpipe 23, a rack 29 is meshed with the gear 30, one side of the standpipe 23 is fixedly provided with a plurality of air outlet pipes 24 which are equidistantly arranged along the length direction of the standpipe, the rack 29 moves back and forth, so that the gear 30 rotates reciprocally to drive the standpipe 23 to rotate reciprocally, and the air outlet pipes 24 swing reciprocally to outlet air.

Referring to fig. 1 and 4, the fan blades 34 are rotatably installed in the air outlet pipe 24, and a driving device for driving the fan blades 34 to rotate is arranged on the vertical pipe 23. The driving device comprises a driving motor 31 fixedly arranged at the top of the vertical pipe 23, a driving shaft 32 is rotatably arranged in the vertical pipe 23, an output shaft of the driving motor 31 is fixedly connected with the driving shaft 32, a first bevel gear is fixedly sleeved on the driving shaft 32, a mounting shaft 33 is rotatably arranged between the inside of the air outlet pipe 24 and the vertical pipe 23, a fan blade 34 is arranged on the mounting shaft 33, a second bevel gear is rotatably arranged on the mounting shaft 33, and the first bevel gear is meshed with the second bevel gear. The driving motor 31 is started to drive the driving shaft 32 to rotate, the bevel gear I is driven to rotate, the bevel gear II is driven to rotate, the mounting shaft 33 is driven to rotate, the fan blades 34 are enabled to rotate, external air flow is guided to enter the vertical pipe 23 through the bottom of the vertical pipe 23, and blowing air is discharged from the air outlet pipe 24.

Wherein, bottom of standpipe 23 runs through bottom plate 1, and fixed mounting has the dust screen in the bottom of standpipe 23, and external air current enters into standpipe 23 in through the bottom of standpipe 23, and the dust screen is used for filtering impurity, avoids impurity to enter into in the standpipe 23.

Working principle:

the handle 10 is manually pulled upwards to drive the pull rod 11 to lift so as to drive the upper clamping plate 12 to lift and compress the spring 13, the spray pipe 14 is placed between the lower clamping plate 9 and the upper clamping plate 12, then the handle 10 is loosened, the upper clamping plate 12 is driven to descend and press against the spray pipe 14 under the action of the elasticity of the spring 13, the spray pipe 14 is clamped by the upper clamping plate 12 and the lower clamping plate 9, the spray pipe 14 does not need to be held, manpower is saved, water is conveyed from the conveying hose 15 to the spray pipe 14 to be sprayed out, the electric telescopic rod 16 is started to drive the first lifting block 17 to adjust up and down so as to drive the adjusting rod 18 to move, the positioning pipe 8 to adjust the angle, the water spraying angle of the spray pipe 14 is realized, the servo motor 19 is started to drive the driving gear 20 to rotate so as to drive the driven gear 21 to drive the vertical shaft 7 to rotate, the water spraying direction of the spray pipe 14 is regulated, the speed reducing motor 35 is started to drive the threaded post 36 to rotate, the second lifting block 37 to lift and move so as to drive the lifting rod 5 to adjust the height of the spray pipe 14, thereby realizing the electric adjustment of the spray pipe 14, the labor angle, the direction and the height of the spray water is greatly reduced when the fire is sprayed.

Through the setting of gyro wheel 2, make things convenient for the removal of whole device, manual work hand-held operation pole 3, thrust unit arrives the position that needs to put out a fire, when there is the dense smoke flow direction operating personnel of putting out a fire, start driving motor 31 drives drive shaft 32 and rotates, drive bevel gear one and rotate, drive bevel gear two and rotate and drive installation axle 33 rotation, make flabellum 34 rotate, the external air current of guide enters into standpipe 23 through the bottom of standpipe 23 in, discharge from air-out pipe 24 is bloied, start motor 25 drive reciprocating lead screw 26 rotation simultaneously, drive reciprocating plate 27 round trip movement and drive connecting rod 28 round trip movement, drive rack 29 round trip movement, make gear 30 reciprocal rotation, drive standpipe 23 reciprocal rotation, make the reciprocal swing air-out of air-out pipe 24, blow out on a large scale, blow away the fire extinguishing flue gas that flows to operating personnel, guarantee operating personnel's operational environment, the security of putting out a fire is improved.

Finally, it should be noted that: in the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (9)

1. The utility model provides a fire control is with high-efficient auxiliary device of low floor of putting out a fire, includes bottom plate (1), a serial communication port, rotate on bottom plate (1) and install gyro wheel (2), the top of bottom plate (1) is fixed with action bars (3), the top of bottom plate (1) is fixed with montant (4), one side slidable mounting of montant (4) has lifter (5), be equipped with on montant (4) and drive lifter (5) elevating gear, the top of lifter (5) is fixed with adjusting box (6), vertical shaft (7) are installed in the top rotation of adjusting box (6), drive vertical shaft (7) pivoted rotating device in adjusting box (6), the top of vertical shaft (7) is fixed with positioning tube (8), be equipped with in positioning tube (8) and be used for spray pipe (14), spray pipe (14) are connected with conveying hose (15), be equipped with in positioning tube (8) and be used for the centre gripping sprayer (14) elevating gear, one side slidable block (17) are installed to one side of vertical shaft (7), first piece (17) are installed with in the top of adjusting box (6), one side of articulated between adjusting box (17) and bottom plate (1), the utility model provides a stand pipe (23) is installed in rotation between bottom plate (1) and drive box (22), drive and install rack (29) in box (22) sliding, be equipped with the reciprocal subassembly that drives rack (29) round trip movement in box (22), fixed cover is equipped with gear (30) on stand pipe (23), rack (29) with gear (30) meshing, one side of stand pipe (23) is fixed with out tuber pipe (24) that are fixed with a plurality of equidistance setting along its length direction, go out tuber pipe (24) internal rotation and install flabellum (34), be equipped with on stand pipe (23) and drive a plurality of flabellum (34) pivoted drive arrangement.

2. The low-floor fire-extinguishing efficient auxiliary device for fire control according to claim 1, wherein the lifting device comprises a lifting groove which is formed in the vertical rod (4), a gear motor (35) is installed in the lifting groove, a threaded column (36) which is vertically arranged is installed in the lifting groove in a rotating mode, an output shaft of the gear motor (35) is fixedly connected with the threaded column (36), a second lifting block (37) is installed in the lifting groove in a sliding mode, the second lifting block (37) is in threaded connection with the threaded column (36), and the second lifting block (37) is fixedly connected with the lifting rod (5).

3. The low-floor fire-extinguishing efficient auxiliary device for fire control according to claim 1, wherein the rotating device comprises a servo motor (19) arranged in the adjusting box (6), a driving gear (20) is fixed on an output shaft of the servo motor (19), the bottom of the vertical shaft (7) is rotatably connected with the inner wall of the bottom of the adjusting box (6), a driven gear (21) is fixedly sleeved on the vertical shaft (7), and the driving gear (20) is meshed with the driven gear (21).

4. The low-floor fire-extinguishing efficient auxiliary device for fire control according to claim 1, wherein the clamping device comprises a lower clamping plate (9) arranged in the positioning pipe (8), a pull rod (11) arranged vertically is slidably arranged at the top of the positioning pipe (8), the bottom of the pull rod (11) extends into the positioning pipe (8) and is fixedly provided with an upper clamping plate (12), the upper clamping plate (12) is positioned right above the lower clamping plate (9), a spring (13) is fixedly arranged between the top of the upper clamping plate (12) and the top inner wall of the top of the positioning pipe (8), the top of the pull rod (11) penetrates through the upper end face of the positioning pipe (8) in a sliding mode and is fixedly provided with a handle (10), and the upper clamping plate (12) and the lower clamping plate (9) are respectively positioned at the top and the bottom of the water spraying pipe (14).

5. The low-floor fire-extinguishing efficient auxiliary device for fire control according to claim 1, wherein a vertically arranged adjusting groove is formed in one side of the vertical shaft (7), an electric telescopic rod (16) which is vertically arranged is fixedly arranged in the adjusting groove, the first lifting block (17) is slidably arranged in the adjusting groove, and a piston rod of the electric telescopic rod (16) is fixedly connected with the first lifting block (17).

6. The low-floor fire-extinguishing high-efficiency auxiliary device for fire control according to claim 1, wherein the reciprocating assembly comprises a motor (25) fixedly installed in one end of the driving box (22), a reciprocating screw rod (26) is rotatably installed in the driving box (22), an output shaft of the motor (25) is fixedly connected with the reciprocating screw rod (26), a reciprocating plate (27) in threaded connection with the reciprocating screw rod (26) is slidably installed in the driving box (22), and a connecting rod (28) is fixed between the reciprocating plate (27) and the rack (29).

7. The low-floor fire-extinguishing high-efficiency auxiliary device for fire control according to claim 6, wherein a guide plate is fixedly arranged in the driving box (22), and the guide plate is fixedly connected with one end of the rack (29) far away from the connecting rod (28).

8. The low-floor fire-extinguishing high-efficiency auxiliary device for fire control according to claim 1, wherein the driving device comprises a driving motor (31) fixedly installed at the top of the vertical pipe (23), a driving shaft (32) is rotatably installed on the vertical pipe (23), an output shaft of the driving motor (31) is fixedly connected with the driving shaft (32), a bevel gear I is fixedly sleeved on the driving shaft (32), an installation shaft (33) is rotatably installed between the inside of the air outlet pipe (24) and the vertical pipe (23), a fan blade (34) is installed on the installation shaft (33), a bevel gear II is rotatably installed on the installation shaft (33), and the bevel gear I is meshed with the bevel gear II.

9. The low-floor fire-extinguishing high-efficiency auxiliary device for fire control according to claim 8, wherein the bottom of the vertical pipe (23) penetrates through the bottom plate (1), and a dust screen is fixedly arranged in the bottom of the vertical pipe (23).

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