CN214780606U

CN214780606U - Fire ladder

Info

Publication number: CN214780606U
Application number: CN202120990063.1U
Authority: CN
Inventors: 金斌
Original assignee: Shanghai Jingwen Tongan Electromechanical Fire Engineering Co ltd
Current assignee: Shanghai Jingwen Tongan Electromechanical Fire Engineering Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-11-19
Anticipated expiration: 2031-05-10

Abstract

The utility model relates to a fire ladder, it is including placing the board, the top of placing the board is provided with the lifter plate, the upper end of placing the board is provided with the elevating system who is used for making the lifter plate go up and down along vertical direction, elevating system is including setting up in the coupling assembling of placing the board upper end, coupling assembling includes and places the board and rotate head rod and the second connecting rod of being connected, the upper end of head rod is rotated and is connected with first dwang, the upper end of second connecting rod is rotated and is connected with the second dwang, the upper end of first dwang is provided with respectively rotates the connecting plate of being connected with first dwang and second dwang, the lifter plate can set up in the top of connecting plate. This application has convenient to use, is convenient for adjust the height of lifter plate, thereby and the accessible sets up the lift height that multiunit coupling assembling increased the lifter plate and carries out the effect of putting out a fire to the scene of a fire of co-altitude not.

Description

Fire ladder

Technical Field

The application relates to the field of fire safety, in particular to a fire ladder.

Background

The fire ladder is a ladder that uses when the conflagration takes place for the building, and fire fighter's accessible fire ladder puts out a fire and rescues, and stranded personnel also can leave from the high-rise scene of a fire of building through the fire ladder to make stranded personnel break away from danger.

In the case of a fire, the firefighter sets up the fire ladder on the wall side wall close to the access window, and then makes the survival worker leave the fire ladder.

In view of the above-mentioned related art, when a fire fighter is fighting a fire in a fire scene, if the position where the fire occurs is high, the upper end of the fire ladder cannot be erected at a position close to a window, and the inventor thinks that the fire ladder is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In order to improve the inconvenient problem of fire ladder use, this application provides a fire ladder.

The application provides a fire ladder adopts following technical scheme:

a fire ladder comprises a placing plate, a lifting plate is arranged above the placing plate, a lifting mechanism used for enabling the lifting plate to lift along the vertical direction is arranged at the upper end of the placing plate, the lifting mechanism comprises a connecting component arranged at the upper end of the placing plate, the connecting component comprises a first connecting rod and a second connecting rod which are rotatably connected with the placing plate, the lengths of the first connecting rod and the second connecting rod are equal, the upper end of the first connecting rod is rotatably connected with a first rotating rod, the upper end of the second connecting rod is rotatably connected with a second rotating rod, the lengths of the first rotating rod and the second rotating rod are equal, the upper end of the first rotating rod is provided with a connecting plate which is respectively rotatably connected with the first rotating rod and the second rotating rod, the rotating center of the lower end of the first connecting rod is aligned with the rotating center of the upper end of the first rotating rod in the vertical direction, the rotating center of the lower end of the second connecting rod is aligned with the rotating center of the upper end of the second rotating rod in the vertical direction, the lifting plate can be arranged above the connecting plate in a bridging mode.

Through adopting above-mentioned technical scheme, when needs make the lifter plate remove along vertical direction, operator's accessible rotates synchronous rotation head rod and second connecting rod, because the rotation center of head rod lower extreme aligns at vertical direction with the rotation center of first dwang upper end, and the rotation center of second connecting rod lower extreme aligns at vertical direction with the rotation center of second dwang lower extreme, thereby when head rod and second connecting rod pivoted, make first dwang and second dwang rotate thereupon, and then promote the height of lifter plate, thereby make the fire fighter put out a fire to the not scene of a fire of co-altitude.

Optionally, the first connecting gear of lower extreme fixedly connected with of head rod, the lower extreme fixedly connected with second connecting gear of second connecting rod, the first rotating gear of upper end fixedly connected with of first dwang, the top of second dwang is rotated and is connected with second rotating gear, the upper end of placing the board is provided with and is used for driving first connecting gear to rotate and second connecting gear pivoted drive assembly.

Through adopting above-mentioned technical scheme, under drive assembly's effect, make first connecting gear and second connecting gear rotate, because first connecting gear and head rod fixed connection, second connecting gear and second connecting rod fixed connection to under drive assembly's effect, make head rod and second connecting rod rotate.

Optionally, coupling assembling can set up a plurality of along vertical direction, and head rod and second connecting rod all rotate to be connected in the lateral wall of adjacent connecting plate, make the first connecting gear and the first rotating gear meshing that are located same connecting plate, make the second connecting gear and the second rotating gear meshing that are located same connecting plate, and the lifter plate sets up in the upper end that is located the connecting plate of the top.

By adopting the technical scheme, the connecting components are arranged in the vertical direction, so that the first rotating rod and the second rotating rod are driven to rotate when the first connecting rod and the second connecting rod rotate, and the height of the connecting plate is further increased; meanwhile, when the first rotating rod rotates, the first rotating gears synchronously rotate, when the second rotating rod rotates, the second rotating gears synchronously rotate, and because the first rotating gears positioned on the connecting plates are meshed with the adjacent first connecting gears, and the second rotating gears positioned on the connecting plates are meshed with the adjacent second connecting gears, the adjacent first connecting rods and the adjacent second connecting rods rotate, the heights of the adjacent connecting plates are increased, and the lifting heights of the lifting plate are increased; when the height of the lifting plate is not enough, the connecting component can be added, so that the lifting height of the lifting plate can be increased.

Optionally, the upper surface of the placing plate is rotatably connected with a bearing cylinder, a piston rod of the bearing cylinder is rotatably connected with an adjacent connecting plate, a connecting cylinder is rotatably connected to a side wall of the connecting plate, one end of the connecting cylinder is rotatably connected with the connecting plate, and the other end of the connecting cylinder is rotatably connected with the adjacent connecting plate.

Through adopting above-mentioned technical scheme, because when putting out a fire to the scene of a fire, the firefighter need stand in the top of lifter plate, if the lifter plate is unstable, then probably can make the firefighter take place life danger, consequently, connect the cylinder through setting up, when making the connecting plate remove certain distance, the piston rod of connecting the cylinder extends certain distance thereupon, and then fixes connecting plate and lifter plate to promote the stability of lifter plate.

Optionally, the driving assembly includes a connecting piece arranged on the upper surface of the placing plate in a sliding manner, the connecting piece includes a sliding rod arranged on the upper surface of the placing plate in a sliding manner, the sliding rod faces a first rack fixedly connected to one end of the first connecting rod, teeth of the first rack are arranged downward, the first rack is meshed with the first connecting gear, a second rack fixedly connected to one end of the sliding rod, away from the first rack, teeth of the second rack are arranged downward, and teeth of the second rack are meshed with the second connecting gear, and the driving assembly further includes a driving piece for driving the first rack and the second rack to move along the horizontal direction.

Through adopting above-mentioned technical scheme, under the effect of driving piece, make first rack and second rack all move towards the direction of head rod, through making first rack and the meshing of first connecting gear, the meshing of second rack and second connecting gear to make first connecting gear and second connecting gear rotate, and then make head rod and second connecting rod rotate in opposite directions.

Optionally, the upper surface fixedly connected with fixed block of placing the board, the fixed block has seted up the groove of sliding along the horizontal direction, and the pole that slides stretches into the inslot that slides and moves along the length direction in groove of sliding.

Through adopting above-mentioned technical scheme, stretch into the groove of sliding and make the sliding block remove along the length direction in groove of sliding through making the pole that slides to improve the stability of first rack and second rack motion.

Optionally, the driving part comprises a driving cylinder fixedly connected to the upper surface of the placing plate, a push rod is fixedly connected to the end of a piston rod of the driving cylinder, and the push rod is fixedly connected to the sliding rod.

Through adopting above-mentioned technical scheme, when the piston rod that drives actuating cylinder extends, make the catch bar move towards the direction of head rod, and then drive first rack and the direction removal of second rack towards the head rod.

Optionally, the lower end of the placing plate is rotatably connected with a plurality of rollers for moving the placing plate.

Through adopting above-mentioned technical scheme, through setting up the gyro wheel to make the fireman be convenient for remove and place the board, thereby make the operator remove and place board to best fire fighting position, thereby carry out the fire fighting to the scene of a fire through promoting the lifter plate after that.

In summary, the present application includes at least one of the following beneficial technical effects:

an operator rotates the first connecting rod and the second connecting rod, so that the first rotating rod and the second rotating rod rotate along with the first connecting rod and the second connecting rod, the height of the lifting plate is further increased, and fire extinguishment of fire fields with different heights is facilitated for firemen;

through setting up the bearing cylinder and connecting the cylinder to it is fixed with connecting plate and lifter plate, and then improves the stability that the lifter plate promoted the in-process.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a connection assembly according to an embodiment of the present application.

Description of reference numerals: 1. placing the plate; 2. a roller; 3. a lifting plate; 4. a baffle plate; 5. a lifting mechanism; 6. a first connection block; 7. a second connecting block; 8. a connecting assembly; 9. a first connecting rod; 10. a first rotating lever; 11. a connecting plate; 12. a second connecting rod; 13. a second rotating lever; 14. a first connecting gear; 15. a second connecting gear; 16. a drive assembly; 17. a fixed block; 18. a sliding groove; 19. a connecting member; 20. a slide bar; 21. a first rack; 22. connecting the vertical rods; 23. a second rack; 24. a drive member; 25. a driving cylinder; 26. a push rod; 27. a first rotating gear; 28. a second rotating gear; 29. a load bearing cylinder; 30. and a connecting cylinder.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a fire ladder. Referring to fig. 1, the fire ladder includes along the board 1 of placing that the horizontal direction set up, places the transversal rectangle of personally submitting of board 1, and the lower extreme of placing board 1 rotates through the pivot and is connected with a plurality of gyro wheels 2, and gyro wheel 2 is provided with four in this embodiment, and four gyro wheels 2 are located four apex angle departments of placing board 1 respectively. The lifting plate 3 which goes up and down along the vertical direction is arranged above the placing plate 1, the baffle 4 is welded at the upper end of the lifting plate 3 along the vertical direction, the baffle 4 is welded at the edge of the lifting plate 3, the baffle 4 is used for reducing the possibility that workers or articles fall, the lifting mechanism 5 is arranged at the upper end of the placing plate 1, and the lifting mechanism 5 can be used for enabling the lifting plate 3 to move along the vertical direction.

Referring to fig. 2, the upper surface of the placing plate 1 is welded with a first connecting block 6 and a second connecting block 7, the first connecting block 6 and the second connecting block 7 are respectively arranged at two ends of the placing plate 1 in the length direction, the first connecting block 6 is provided with two, the two first connecting blocks 6 are respectively arranged at two ends of the placing plate 1 in the width direction, the second connecting block 7 is provided with two, and the two second connecting blocks 7 are respectively arranged at two ends of the placing plate 1 in the width direction.

Referring to fig. 2, elevating system 5 is including setting up in the coupling assembling 8 of placing board 1 upper surface, and coupling assembling 8 includes rotates the head rod 9 of connecting in 6 lateral walls of first connecting block through the pivot, and the upper end of head rod 9 rotates through the pivot and is connected with first rotation pole 10, and the upper end of first rotation pole 10 rotates through the pivot and is connected with connecting plate 11, and connecting plate 11 sets up along the horizontal direction. The lateral wall of second connecting block 7 is connected with second connecting rod 12 through the pivot rotation, and the rotation center of first connecting rod 9 lower extreme and the rotation center of second connecting rod 12 lower extreme are on the horizontal direction and level, and the length of first connecting rod 9 and second connecting rod 12 equals. The upper end of the second connecting rod 12 is rotatably connected with a second rotating rod 13 through a rotating shaft, the upper end of the second rotating rod 13 is rotatably connected with the side wall of the connecting plate 11 through the rotating shaft, the first rotating rod 10 and the second rotating rod 13 are respectively rotatably connected with two ends of the connecting plate 11, the lengths of the first rotating rod 10 and the second rotating rod 13 are equal, and the rotating center of the upper end of the first rotating rod 10 and the rotating center of the upper end of the second rotating rod 13 are located on the same horizontal line.

Referring to fig. 2, the connecting assembly 8 further includes a first connecting gear 14 welded to the lower end of the first connecting rod 9 and located at the position of the side wall, the first connecting gear 14 rotates coaxially with the first connecting rod 9, a second connecting gear 15 welded to the lower end of the second connecting rod 12 and located at the position of the side wall, and the second connecting gear 15 rotates coaxially with the second connecting rod 12.

Referring to fig. 2, in order to make the first connecting gear 14 and the second connecting gear 15 rotate in opposite directions, a driving assembly 16 is provided at the upper end of the placing plate 1, the driving assembly 16 includes two fixing blocks 17 welded to the upper surface of the placing plate 1, the two fixing blocks 17 are respectively located at two ends of the placing plate 1 in the width direction, and a sliding groove 18 is formed in each fixing block 17 along the length direction of the placing plate 1.

Referring to fig. 2, the driving assembly 16 further includes a connecting member 19 slidably disposed on the upper surface of the placing board 1, the connecting member 19 includes two sliding rods 20 slidably disposed on the upper surface of the placing board 1, the two sliding rods 20 are respectively disposed at two ends of the width direction of the placing board 1, the length direction of the sliding rods 20 is parallel to the length direction of the placing board 1, and the sliding rods 20 extend into the sliding grooves 18 and slide along the length direction of the sliding grooves 18. One end of the sliding rod 20 facing the first connecting rod 9 is welded with a first rack 21, teeth of the first rack 21 are arranged upward, and the first rack 21 is meshed with the first connecting gear 14, so that when the first rack 21 moves along the horizontal direction, the first rack 21 rotates, and then the first connecting rod 9 rotates.

Referring to fig. 2, the connecting member 19 further includes a connecting vertical rod 22 welded to an end of the sliding rod 20 far away from the first rack 21, the connecting vertical rod 22 is disposed along a vertical direction, a lower end of the connecting vertical rod 22 is welded to the sliding rod 20, a second rack 23 is welded to an upper end of the connecting vertical rod 22, the second rack 23 is disposed along a horizontal direction, teeth of the second rack 23 are disposed downward, and the second rack 23 is engaged with the second connecting gear 15. When the second rack 23 moves in the horizontal direction, the second connecting gear 15 is rotated, thereby rotating the second connecting rod 12.

Referring to fig. 2, the driving assembly 16 further includes a driving member 24 for driving the first rack 21 and the second rack 23 to move along the horizontal direction, the driving member 24 includes a driving cylinder 25 fixedly connected to the upper surface of the placing plate 1 by a bolt, the driving cylinder 25 is disposed at one end close to the second connecting rod 12, a piston rod of the driving cylinder 25 is disposed along the horizontal direction, a push rod 26 is welded at the end of the piston rod of the driving cylinder 25, the push rod 26 is disposed along the horizontal direction, the push rod 26 is welded with the sliding rods 20, and the two sliding rods 20 are respectively welded at two ends of the push rod 26.

Referring to fig. 2, in order to increase the lifting height of the lifting plate 3, a first rotating gear 27 is welded to the upper end of the first rotating rod 10, the first rotating gear 27 rotates coaxially with the first rotating rod 10, a second rotating gear 28 is welded to the upper end of the second rotating rod 13, and the second rotating gear 28 rotates coaxially with the second rotating rod 13. The connecting assembly 8 is provided with a plurality of connecting assemblies along the vertical direction, the first connecting rods 9 and the second connecting rods 12 are both rotatably connected to the side walls of the adjacent connecting plates 11, the first connecting gears 14 located on the same connecting plates 11 are meshed with the first rotating gears 27, the second connecting gears 15 located on the same connecting plates 11 are meshed with the second rotating gears 28, and meanwhile, the lifting plate 3 is welded to the upper surfaces of the connecting plates 11 located at the top.

Referring to fig. 2, the upper surface of the placing plate 1 is provided with a bearing cylinder 29, a cylinder body of the bearing cylinder 29 is rotatably connected to the upper surface of the placing plate 1 through a rotating shaft, the bearing cylinder 29 is obliquely arranged, and a piston rod of the bearing cylinder 29 is obliquely inclined from top to bottom in a direction from the first connecting block 6 to the second connecting block 7. The side wall of the connecting plate 11 is rotatably connected with a connecting cylinder 30 through a rotating shaft, the cylinder body of the connecting cylinder 30 is rotatably connected with the connecting plate 11, the piston rod of the connecting cylinder 30 is rotatably connected with the adjacent connecting plate 11, the piston rod of the connecting cylinder 30 is obliquely arranged from top to bottom in the direction from the first connecting block 6 to the second connecting block 7, and the length direction of the piston rod of the bearing cylinder 29 is parallel to the length direction of the piston rod of the connecting cylinder 30.

The implementation principle of the fire ladder of the embodiment of the application is as follows: when it is necessary to raise the lifting plate 3, the operator can move the first and second racks 21 and 23 in the direction of the first connecting block 6 by moving the piston rod of the driving cylinder 25 in the direction of the first connecting block 6, and thus rotate the first and second connecting rods 9 and 12 in the opposite direction. The first connecting rod 9 and the second connecting rod 12 rotate and simultaneously drive the first rotating rod 10 and the second rotating rod 13 to synchronously rotate, so that the connecting plate 11 is lifted upwards.

Since the first rotating gear 27 and the second rotating gear 28 are driven to rotate while the first rotating rod 10 and the second rotating rod 13 rotate, and since the first rotating gear 27 is meshed with the adjacent first connecting gear 14 and the second rotating gear 28 is meshed with the adjacent second connecting gear 15, the adjacent first connecting rod 9 and the adjacent second connecting rod 12 are driven to rotate, so that the connecting plate 11 located above is driven to be lifted upwards, and the lifting plate 3 is driven to move upwards along the vertical direction.

When the lifting plate 3 moves upwards, the bearing cylinder 29 and the connecting cylinder 30 are synchronously started, so that the bearing cylinder 29 and the cylinder body of the connecting cylinder rotate, the piston rods of the bearing cylinder 29 and the connecting cylinder extend, the adjacent connecting plates 11 are supported, and the lifting stability of the connecting plates 11 is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A fire ladder, its characterized in that: comprises a placing plate (1), a lifting plate (3) is arranged above the placing plate (1), a lifting mechanism (5) used for enabling the lifting plate (3) to lift along the vertical direction is arranged at the upper end of the placing plate (1), the lifting mechanism (5) comprises a connecting assembly (8) arranged at the upper end of the placing plate (1), the connecting assembly (8) comprises a first connecting rod (9) and a second connecting rod (12) which are rotatably connected with the placing plate (1), the lengths of the first connecting rod (9) and the second connecting rod (12) are equal, the upper end of the first connecting rod (9) is rotatably connected with a first rotating rod (10), the upper end of the second connecting rod (12) is rotatably connected with a second rotating rod (13), the lengths of the first rotating rod (10) and the second rotating rod (13) are equal, a connecting plate (11) which is rotatably connected with the first rotating rod (10) and the second rotating rod (13) respectively is arranged at the upper end of the first rotating rod (10), the rotation center of first connecting rod (9) lower extreme aligns at vertical direction with the rotation center of first dwang (10) upper end, and the rotation center of second connecting rod (12) lower extreme aligns at vertical direction with the rotation center of second dwang (13) upper end, lifter plate (3) can set up in the top of connecting plate (11).

2. A fire ladder as claimed in claim 1, wherein: the utility model discloses a joint structure of a motor vehicle, including the lower extreme fixedly connected with of head rod (9), the first connecting gear (14) of lower extreme fixedly connected with of second connecting rod (12), the lower extreme fixedly connected with second connecting gear (15) of second connecting rod (12), the first rotating gear (27) of upper end fixedly connected with of first dwang (10), the top of second dwang (13) is rotated and is connected with second rotating gear (28), the upper end of placing board (1) is provided with and is used for driving first connecting gear (14) to rotate and second connecting gear (15) pivoted drive assembly (16).

3. A fire ladder as claimed in claim 2, wherein: coupling assembling (8) can follow vertical direction and set up a plurality of, and first connecting rod (9) and second connecting rod (12) all rotate to be connected in the lateral wall of adjacent connecting plate (11), make first connecting gear (14) and the meshing of first rotating gear (27) that are located same connecting plate (11), make second connecting gear (15) and the meshing of second rotating gear (28) that are located same connecting plate (11), and lifter plate (3) set up in the upper end that is located the connecting plate (11) of the top.

4. A fire ladder as claimed in claim 3, wherein: the upper surface of the placing plate (1) is rotatably connected with a bearing cylinder (29), a piston rod of the bearing cylinder (29) is rotatably connected with an adjacent connecting plate (11), a connecting cylinder (30) is rotatably connected with the side wall of the connecting plate (11), one end of the connecting cylinder (30) is rotatably connected with the connecting plate (11), and the other end of the connecting cylinder (30) is rotatably connected with the adjacent connecting plate (11).

5. A fire ladder as claimed in claim 2, wherein: the driving assembly (16) comprises a connecting piece (19) which is arranged on the upper surface of the placing plate (1) in a sliding mode, the connecting piece (19) comprises a sliding rod (20) which is arranged on the upper surface of the placing plate (1) in a sliding mode, the sliding rod (20) faces towards one end of the first connecting rod (9) and is fixedly connected with a first rack (21), teeth of the first rack (21) are arranged downwards, the first rack (21) is meshed with the first connecting gear (14), one end of the sliding rod (20) far away from the first rack (21) is fixedly connected with a second rack (23), teeth of the second rack (23) are arranged downwards, the teeth of the second rack (23) are meshed with the second connecting gear (15), and the driving assembly (16) further comprises a driving piece (24) which is used for driving the first rack (21) and the second rack (23) to move along the horizontal direction.

6. A fire ladder as claimed in claim 5, wherein: the upper surface of placing board (1) fixed surface is connected with fixed block (17), and sliding groove (18) have been seted up along the horizontal direction to fixed block (17), and slide rod (20) stretch into sliding groove (18) in and move along the length direction of sliding groove (18).

7. A fire ladder as claimed in claim 5, wherein: the driving piece (24) comprises a driving cylinder (25) fixedly connected to the upper surface of the placing plate (1), a push rod (26) is fixedly connected to the end part of a piston rod of the driving cylinder (25), and the push rod (26) is fixedly connected with the sliding rod (20).

8. A fire ladder as claimed in claim 1, wherein: the lower end of the placing plate (1) is rotatably connected with a plurality of rollers (2) used for moving the placing plate (1).