Fire fighting truck ladder stand capable of being quickly unfolded

Abstract

The utility model relates to the technical field of fire fighting truck crawling ladders, and discloses a fire fighting truck crawling ladder capable of being quickly unfolded, which comprises a first fire fighting truck crawling ladder and a second fire fighting truck crawling ladder, the second fire fighting truck crawling ladder is arranged on the front side of the first fire fighting truck crawling ladder, and first connecting pieces are fixedly connected to two sides of the bottom of the first fire fighting truck crawling ladder. And second connecting pieces are fixedly connected to the two sides of the bottom of the second fire fighting truck ladder stand correspondingly, and the first connecting pieces and the second connecting pieces are rotationally installed. The magnetic attraction force between the first magnet and the second magnet is relieved by pulling the sliding shaft, the sliding shaft is moved out of the round hole, the rotating piece rotates downwards with the connecting shaft as the circle center through the gravity of the rotating piece, and at the moment, fixation between the first fire fighting truck ladder stand and the second fire fighting truck ladder stand is relieved; and then the fire fighting truck ladder stand II is rotated by taking the rotating joint of the connecting piece I and the connecting piece II as a circle center, so that the fire fighting truck ladder stand II can be quickly unfolded, the length of the fire fighting truck climbing frame can be adjusted, and the fire fighting truck climbing frame is flexible and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of ladders for fire trucks, in particular to a ladder for fire trucks which can be quickly deployed. Background Art

[0002] The fire truck ladder is a tool fixed to the side or rear of the fire truck compartment. It is mainly used to facilitate firefighters to quickly climb to the roof of the fire truck to perform operations.

[0003] The patent document with the published announcement number CN219548786U discloses a fire truck ladder. This published patent document drives the rotation of the connecting shaft through the installed servo motor, drives the rotation of the two-way cam through the rotation of the connecting shaft, drives the rotation of the two-way cam, drives the movement of the cross plate through the rotation of the two-way cam, and drives the extension and retraction of the plug column through the movement of the cross plate, thereby realizing the connection and separation of the connecting column and the connecting sleeve, replacing the traditional connection with the fire truck compartment by welding, effectively improving the installation and disassembly of the ladder frame, and facilitating the timely replacement of damaged ladder frames; however, the above-mentioned published patent document only has a single ladder, and two ladders cannot be combined and unfolded, the length is fixed, the length of the ladder cannot be adjusted, and the flexibility of use is poor. Utility Model Content

[0004] The utility model aims to provide a fire truck ladder which can be quickly deployed, thereby solving the problems raised in the background technology.

[0005] The embodiment of the present application provides a fire truck ladder that can be quickly deployed, including a fire truck ladder 1 and a fire truck ladder 2, the fire truck ladder 2 is arranged on the front side of the fire truck ladder 1, and the bottom two sides of the fire truck ladder 1 are fixedly connected with connecting parts 1, and the bottom two sides of the fire truck ladder 2 are fixedly connected with connecting parts 2, the connecting parts 1 and 2 are rotatably installed, circular holes are symmetrically opened on both sides of the fire truck ladder 1, and a magnet 1 is fixedly connected to the inner wall of the circular hole, and a rotating part is symmetrically arranged on both sides of the fire truck ladder 2, and a connecting shaft and a sliding shaft are respectively penetrated by the rotating part, one end of the connecting shaft is fixedly connected to the fire truck ladder 2, and the connecting shaft is rotatably connected to the rotating part, the sliding shaft is slidably connected to the rotating part, and one end of the sliding shaft is inside the circular hole, the sliding shaft is adapted to the circular hole, and the end of the sliding shaft inside the circular hole is fixedly connected with a magnet 2, and the adjacent sides of the magnet 1 and the magnet 2 have different magnetic properties.

[0006] By adopting the above technical solution, the sliding shaft is pulled to release the magnetic attraction between magnet one and magnet two, and the sliding shaft is moved out of the circular hole. At this time, the fixation between the fire truck ladder one and the fire truck ladder two is released, and then the fire truck ladder two is rotated with the rotating connection between the connecting member one and the connecting member two as the center of the circle, so that the fire truck ladder two can be quickly unfolded, thereby adjusting the length of the fire truck climbing frame.

[0007] Optionally, one side of the fire truck ladder one is fixedly connected to a slide rail, a cross bar is fixedly installed on one side of the upper part of the fire truck ladder one, and a slide groove is opened on one side of the fire truck ladder one, the bottom of the cross bar is fixedly connected to a lifting ring one, the inside of the slide groove is slidably connected to a sliding rod, the top and bottom of the sliding rod are respectively fixedly connected to a lifting ring two and a lifting ring three, a rope is tied between the lifting ring one and the lifting ring two, a hanger passes through the inside of the lifting ring three, and a storage box is fixedly installed on the bottom of the hanger.

[0008] By adopting the above technical solution, the storage box can be used to place tools forgotten by firefighters. The firefighters standing on the roof of the fire truck can pull the rope to move the slide bar upward along the slide groove to lift the storage box to the roof of the fire truck, so as to quickly deliver the tools forgotten by the firefighters to the roof of the fire truck without the need for the firefighters to climb up and down the ladder.

[0009] Optionally, the fire truck ladder 1 is equidistantly fixedly connected to a plurality of step rods 1 inside, and a plurality of anti-skid transverse grooves 1 are provided on the top of the step rod 1; the fire truck ladder 2 is equidistantly fixedly connected to a plurality of step rods 2 inside, and a plurality of anti-skid transverse grooves 2 are provided on the top of the step rod 2.

[0010] By adopting the above technical solution, the anti-skid transverse groove 1 and the anti-skid transverse groove 2 increase the friction between the shoe and the pedal rod 1 and the pedal rod 2, thereby increasing the anti-skid property of the fire truck ladder.

[0011] Optionally, the connecting shaft and the circular hole are at the same height, and the distances between the connecting shaft, the sliding shaft and the circular hole are all equal.

[0012] By adopting the above technical solution, it is ensured that the rotating member can align the sliding shaft with the circular hole.

[0013] Optionally, the length of the anti-skid transverse groove 1 is equal to the length of the pedal bar 1, and the length of the anti-skid transverse groove 2 is equal to the length of the pedal bar 2.

[0014] By adopting the above technical solution, it is ensured that each position on the top of the pedal bar 1 and the pedal bar 2 has anti-slip properties.

[0015] Optionally, four mounting columns are fixedly connected to the rear side of the fire truck ladder 1, and a mounting plate is fixedly connected to the rear side of the mounting columns, and mounting holes are provided at the four corners of the mounting plate.

[0016] By adopting the above technical solution, the fire truck ladder can be fixed on the side or the rear of the fire truck.

[0017] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0018] 1. Pull the sliding shaft to release the magnetic attraction between magnet one and magnet two, move the sliding shaft out of the circular hole, and rotate the rotating part downward with the connecting shaft as the center through its own gravity. At this time, the fixation between the fire truck ladder one and the fire truck ladder two is released, and then the fire truck ladder two is rotated with the rotating connection between the connecting part one and the connecting part two as the center, so that the fire truck ladder two can be quickly unfolded, thereby adjusting the length of the fire truck climbing frame, which is flexible and convenient to use.

[0019] 2. The storage box can be used to store tools forgotten by firefighters. The firefighters standing on the roof of the fire truck can pull the rope to move the slide bar upward along the slide slot to lift the storage box to the roof of the fire truck so that the tools forgotten by the firefighters can be quickly delivered to the roof of the fire truck. It is convenient to use because firefighters do not need to climb up and down the ladder. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a partial structural schematic diagram of a fire truck ladder from a side view of the utility model;

[0023] Figure 3 It is a structural schematic diagram of the transfer element of the utility model;

[0024] Figure 4 For this utility model Figure 1 A magnified view of middle;

[0025] Figure 5 For this utility model Figure 1 Enlarged view of middle B;

[0026] Figure 6 For this utility model Figure 1 Enlarged view of C in the middle.

[0027] In the figure: 1. Fire truck ladder 1; 2. Fire truck ladder 2; 3. Pedal bar 1; 4. Pedal bar 2; 5. Mounting column; 6. Mounting plate; 7. Mounting hole; 8. Rotating piece; 9. Slide rail; 10. Storage box; 11. Rope; 12. Round hole; 13. Magnet 1; 14. Anti-skid groove 1; 15. Connecting shaft; 16. Sliding shaft; 17. Magnet 2; 18. Connecting piece 1; 19. Connecting piece 2; 20. Anti-skid groove 2; 21. Cross bar; 22. Slide groove; 23. Lifting ring 1; 24. Sliding bar; 25. Lifting ring 2; 26. Lifting ring 3; 27. Hanger. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0029] See also Figure 1-4 The utility model provides a technical solution: it includes a fire truck ladder 1 and a fire truck ladder 2, the fire truck ladder 2 is arranged at the front side of the fire truck ladder 1, the bottom of the fire truck ladder 1 is fixedly connected with a connecting piece 18 on both sides, the bottom of the fire truck ladder 2 is fixedly connected with a connecting piece 2 19 on both sides, the connecting piece 18 and the connecting piece 2 19 are rotatably installed, the two sides of the fire truck ladder 1 are symmetrically opened with round holes 12, the inner wall of the round hole 12 is fixedly connected with a magnet 13, the fire truck Rotating parts 8 are symmetrically arranged on both sides of the ladder 2, and the rotating parts 8 are respectively penetrated by a connecting shaft 15 and a sliding shaft 16, one end of the connecting shaft 15 is fixedly connected to the ladder 2 of the fire truck, and the connecting shaft 15 is rotationally connected to the rotating part 8, and the sliding shaft 16 is slidingly connected to the rotating part 8, and one end of the sliding shaft 16 is inside the circular hole 12, and the sliding shaft 16 is adapted to the circular hole 12, and one end of the sliding shaft 16 inside the circular hole 12 is fixedly connected with a magnet 2 17, and the adjacent sides of the magnet 1 13 and the magnet 2 17 have different magnetic properties;

[0030] In this technical solution, the magnetic attraction between magnet 13 and magnet 2 17 is released by pulling the sliding shaft 16, and the sliding shaft 16 is moved out of the circular hole 12. The rotating part 8 is rotated downward with the connecting shaft 15 as the center by its own gravity. At this time, the fixation between the fire truck ladder 1 and the fire truck ladder 2 2 is released, and then the fire truck ladder 2 2 is rotated with the rotating connection between the connecting part 18 and the connecting part 2 19 as the center, so that the fire truck ladder 2 2 can be quickly unfolded, thereby adjusting the length of the fire truck climbing frame, which is flexible and convenient to use.

[0031] In some technical solutions, such as Figure 1 , Figure 5 and Figure 6 As shown, a slide rail 9 is fixedly connected to one side of the ladder 1 of the fire truck, a cross bar 21 is fixedly installed on one side of the upper part of the ladder 1 of the fire truck, and a slide groove 22 is opened on one side of the ladder 1 of the fire truck, a ring 23 is fixedly connected to the bottom of the cross bar 21, a slide bar 24 is slidably connected inside the slide groove 22, a ring 25 and a ring 3 26 are fixedly connected to the top and bottom of the slide bar 24 respectively, a rope 11 is tied between the ring 1 23 and the ring 25, a hanger 27 passes through the inside of the ring 3 26, and a storage box 10 is fixedly installed at the bottom of the hanger 27.

[0032] When in use, the storage box 10 can be used to place tools forgotten by firefighters. The firefighter standing on the roof of the fire truck can pull the rope 11 to move the slide bar 24 upward along the slide groove 22 to lift the storage box 10 to the roof of the fire truck, so that the tools forgotten by the firefighters can be quickly delivered to the roof of the fire truck. There is no need for the firefighters to climb up and down the ladder, which is convenient to use.

[0033] In some technical solutions, such as Figure 1 and Figure 4 As shown, a plurality of treads 3 are fixedly connected to the interior of the fire truck ladder 1 at equal intervals, and a plurality of anti-skid transverse grooves 14 are provided on the top of the treads 3; a plurality of treads 4 are fixedly connected to the interior of the fire truck ladder 2 at equal intervals, and a plurality of anti-skid transverse grooves 20 are provided on the top of the treads 24.

[0034] When in use, the foot support position is provided for the firefighters to climb the ladder through the step rod 1 3 and the step rod 2 4, and the friction between the shoes and the step rod 1 3 and the step rod 2 4 is increased through the anti-skid transverse groove 1 4 and the anti-skid transverse groove 2 20, thereby increasing the anti-skid property of the fire truck ladder.

[0035] In some technical solutions, such as Figure 2 and Figure 3 As shown, the connecting shaft 15 and the circular hole 12 are at the same height, and the distances between the connecting shaft 15, the sliding shaft 16 and the circular hole 12 are all equal.

[0036] When in use, ensure that the rotating member 8 can align the sliding shaft 16 with the circular hole 12, so that the folded fire truck ladder 2 2 and the fire truck ladder 1 1 can be fixed.

[0037] In some technical solutions, such as Figure 4 As shown, the length of the anti-skid transverse groove 14 is equal to the length of the pedal rod 1 3 , and the length of the anti-skid transverse groove 20 is equal to the length of the pedal rod 2 4 .

[0038] When in use, ensure that each position of the top of the pedal bar 1 3 and the pedal bar 2 4 is non-slip.

[0039] In some technical solutions, such as Figure 1 As shown, four mounting columns 5 are fixedly connected to the rear side of the fire truck ladder 1, and a mounting plate 6 is fixedly connected to the rear side of the mounting columns 5. Mounting holes 7 are provided at the four corners of the mounting plate 6.

[0040] When in use, the fire truck ladder can be fixed on the side or the rear of the fire truck through the mounting holes 7 provided on the mounting plate 6 .

[0041] Working principle: During use, the magnetic attraction between magnet 13 and magnet 2 17 is released by pulling the sliding shaft 16, and the sliding shaft 16 is moved out of the circular hole 12. The rotating member 8 is rotated downward with the connecting shaft 15 as the center by its own gravity. At this time, the fixation between the fire truck ladder 1 and the fire truck ladder 2 is released, and then the fire truck ladder 2 2 is rotated with the rotating connection between the connecting member 18 and the connecting member 2 19 as the center, so that the fire truck ladder 2 2 can be quickly unfolded, so that the length of the fire truck climbing frame can be adjusted, and the tools forgotten by the firefighters can be placed through the storage box 10. The firefighters standing on the roof of the fire truck can pull the rope 11 to move the slide bar 24 upward along the slide groove 22, and the storage box 10 can be lifted to the roof of the fire truck, so that the tools forgotten by the firefighters can be quickly delivered to the roof of the fire truck, without the need for firefighters to climb up and down the ladder, which is convenient to use.

[0042] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. Although the present application is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A fire truck ladder that can be quickly deployed, comprising a fire truck ladder 1 (1) and a fire truck ladder 2 (2), characterized in that: The fire truck ladder 2 (2) is arranged at the front side of the fire truck ladder 1 (1), and both sides of the bottom of the fire truck ladder 1 (1) are fixedly connected with a connecting piece 1 (18), and both sides of the bottom of the fire truck ladder 2 (2) are fixedly connected with a connecting piece 2 (19), and the connecting piece 1 (18) and the connecting piece 2 (19) are rotatably installed. Circular holes (12) are symmetrically opened on both sides of the fire truck ladder 1 (1), and the inner wall of the circular hole (12) is fixedly connected with a magnet 1 (13), and rotating pieces (8) are symmetrically arranged on both sides of the fire truck ladder 2 (2), and the rotating pieces (8) are symmetrically arranged on both sides of the fire truck ladder 1 (2). A connecting shaft (15) and a sliding shaft (16) are respectively passed through the member (8), one end of the connecting shaft (15) is fixedly connected to the second ladder (2) of the fire truck, and the connecting shaft (15) is rotationally connected to the rotating member (8), the sliding shaft (16) is slidingly connected to the rotating member (8), and one end of the sliding shaft (16) is located inside the circular hole (12), the sliding shaft (16) is adapted to the circular hole (12), and one end of the sliding shaft (16) located inside the circular hole (12) is fixedly connected to the second magnet (17), and the adjacent sides of the first magnet (13) and the second magnet (17) have different magnetic properties.

2. A rapidly deployable ladder for fire trucks according to claim 1, characterized in that: A slide rail (9) is fixedly connected to one side of the fire truck ladder (1), a cross bar (21) is fixedly installed on one side of the upper part of the fire truck ladder (1), and a slide groove (22) is opened on one side of the fire truck ladder (1), a lifting ring (23) is fixedly connected to the bottom of the cross bar (21), a sliding rod (24) is slidably connected inside the sliding groove (22), a lifting ring (25) and a lifting ring (26) are fixedly connected to the top and bottom of the sliding rod (24), respectively, a rope (11) is tied between the lifting ring (23) and the lifting ring (25), a hanger (27) passes through the inside of the lifting ring (26), and a storage box (10) is fixedly installed at the bottom of the hanger (27).

3. The rapidly deployable ladder for fire trucks according to claim 1, characterized in that: The fire truck ladder 1 (1) is internally fixedly connected with a plurality of step rods 1 (3) at equal intervals, and the top of the step rod 1 (3) is provided with a plurality of anti-skid transverse grooves 1 (14); the fire truck ladder 2 (2) is internally fixedly connected with a plurality of step rods 2 (4) at equal intervals, and the top of the step rod 2 (4) is provided with a plurality of anti-skid transverse grooves 2 (20).

4. The rapidly deployable ladder for fire trucks according to claim 1, characterized in that: The connecting shaft (15) and the circular hole (12) are at the same height, and the distances between the connecting shaft (15), the sliding shaft (16) and the circular hole (12) are all equal.

5. The rapidly deployable ladder for fire trucks according to claim 3, characterized in that: The length of the anti-skid transverse groove 1 (14) is equal to the length of the pedal rod 1 (3), and the length of the anti-skid transverse groove 2 (20) is equal to the length of the pedal rod 2 (4).

6. The rapidly deployable ladder for fire trucks according to claim 1, characterized in that: The rear side of the fire truck ladder 1 (1) is fixedly connected with four mounting columns (5), the rear side of the mounting columns (5) is fixedly connected with a mounting plate (6), and the four corners of the mounting plate (6) are all provided with mounting holes (7).

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