Lifting scaling ladder for high-rise fire fighting

Abstract

The utility model relates to the technical field of fire fighting, and discloses a lifting scaling ladder for high-rise fire fighting, which comprises a scaling ladder body and a connecting component, and a rescue platform is arranged at one end, far away from the scaling ladder body, of the connecting component. Two guardrails symmetrically distributed about the center line of the rescue platform are fixedly installed on the upper surface of the rescue platform, a first baffle is fixedly installed on the upper surface of the end, close to the connecting assembly, of the rescue platform, and a protection assembly is fixedly installed on the upper surface of the end, away from the connecting assembly, of the rescue platform. According to the lifting type scaling ladder for high-rise fire fighting, due to the fact that a triangle has stability, the cross section of the combination of the connecting plates and the reinforcing rods is designed to be of a triangular structure, when a firefighter moves on a flat plate, the scaling ladder is not prone to breakage, the bearing capacity of the flat plate is improved, safety is high, and due to the design of the limiting assemblies, when the firefighter moves on the flat plate, the safety of the firefighter is improved. The flat plate is prevented from sliding on the sliding rails, and the safety is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fire fighting, specifically to a high -rise fire fighting and fire extinguishing lifting ladder. BACKGROUND

[0002] A kind of fire fighting equipment specially designed for high-rise building, high facilities and oil tank fire fighting is called lifting ladder, it is equipped with hydraulic lifting platform and telescopic ladder, for firemen to carry out climbing operation, rescue the fire of high-rise building, rescue trapped personnel, rescue valuable materials, and complete other rescue tasks.

[0003] Chinese utility model patent publication number: CN 215949338 U, discloses: a high-rise fire fighting and fire extinguishing lifting ladder device, the high-rise fire fighting and fire extinguishing lifting ladder device, by installing slide rail in the bottom of basket, flat plate is installed on slide rail, flat plate can slide with slide rail, when using, basket is lifted to the height of building platform, flat plate is directly pushed out, another end is placed on platform, improve safety, and convenient to use, recycling is convenient, but the high-rise fire fighting and fire extinguishing lifting ladder device, although firemen can enter high-level rescue trapped personnel by flat plate, but the reinforcing structure of flat plate is not designed, flat plate is prone to breakage when firemen move on flat plate, flat plate has poor carrying capacity, low safety, and the limiting structure of flat plate is not designed, flat plate is prone to slide on slide rail when firemen move on flat plate, prone to safety accidents, low safety, poor practicality, not convenient to use. SUMMARY

[0004] The utility model solves the technical problems that firemen can enter high-level rescue trapped personnel by flat plate in prior art, but the reinforcing structure of flat plate is not designed, flat plate is prone to breakage when firemen move on flat plate, flat plate has poor carrying capacity, low safety, and the limiting structure of flat plate is not designed, flat plate is prone to slide on slide rail when firemen move on flat plate, prone to safety accidents, low safety, poor practicality, not convenient to use.

[0005] The utility model adopts the technical scheme: a high -rise fire extinguishing is with elevating ladder ladder, including cloud ladder body and connecting assembly, the one end of connecting assembly is away from cloud ladder body is provided with rescue platform, the upper surface fixed mounting of rescue platform is about the two railings of rescue platform center line is symmetrically distributed, the upper surface fixed mounting of rescue platform is close to connecting assembly one end has baffle no.

[0006] Preferably, the connecting assembly comprises a fixing frame, a supporting frame, a mounting frame, a lead screw, a guide rod, a handle, a connecting block, a connecting rod and a limiting plate, the one end of the fixing frame is fixedly installed with the supporting frame away from the cloud ladder body, the upper surface of the fixing frame is fixedly installed with the mounting frame, the inner surface of the mounting frame is rotatably installed with the lead screw, the inner surface of the mounting frame is fixedly installed with the guide rod, the one end of the lead screw is fixedly installed with the handle away from the fixing frame, the outer surface of the lead screw is threadedly connected with the connecting block, the outer surface of the connecting block is fixedly installed with the connecting rod, the one end of the connecting rod is fixedly installed with the limiting plate away from the connecting block, the limiting plate is slidably connected with the guide rod, the cross section of the limiting plate is in the shape of "L", the limiting plate is matched with the baffle no.

[0007] Through the above technical scheme, through the design of the connecting assembly, the rescue platform is placed on the top of the supporting frame first, so that the rescue platform is closely attached to the supporting frame, then the lead screw is rotated by the handle, the connecting block is moved downward by the rotation of the lead screw, the connecting block is moved through the connecting rod to drive the limiting plate to slide downward, so that the limiting plate is closely attached to the baffle no.

[0008] Preferably, the protection assembly comprises a baffle no. 2, a groove no. 2, a protection door, a mounting groove, a magnet, a sliding block no. 2 and a sliding groove, the outer surface of the baffle no. 2 is provided with the groove no. 2, the outer surface of the baffle no. 2 is provided with the protection door, the one side of the protection door close to the rail is provided with the mounting groove, the inner surface of the mounting groove is insertedly installed with the magnet, the one side of the protection door close to the rescue platform is fixedly installed with the sliding block no. 2, the one side of the rescue platform close to the protection door is provided with the sliding groove, the protection door is magnetically connected with the rail, and the protection door is slidably connected with the rescue platform.

[0009] Through the technical scheme, when the firefighter is at the top of the rescue platform, the protection door is pulled to move towards the guardrail, the protection door and the guardrail are attracted by the magnet, the protection door and the guardrail are more closely connected, the protection door can be quickly locked, and the protection door is more flexible and not easy to be stuck when the protection door is pulled through the cooperation of the sliding block two and the sliding groove.

[0010] Preferably, a connecting plate is fixedly installed between the two sliding blocks one, a reinforcing rod is fixedly installed between the connecting plate and the flat plate, the sliding block one is in sliding connection with the sliding rail, the cross section of the combination of the connecting plate and the reinforcing rod is in a triangular shape structure, and the cross section of the anti-skid pattern is in a trapezoidal shape structure.

[0011] Through the technical scheme, when the firefighter is at the top of the rescue platform, the protection door is pulled to move towards the guardrail, the protection door and the guardrail are attracted by the magnet, the protection door and the guardrail are more closely connected, the protection door can be quickly locked, and the protection door is more flexible and not easy to be stuck when the protection door is pulled through the cooperation of the sliding block two and the sliding groove.

[0012] Preferably, the limiting assembly comprises a fixed block two, a limiting groove one, a limiting groove two, a through hole one, a through hole two, a limiting block one, a through hole three, a bolt, a limiting block two and a through hole four, one surface of the fixed block two close to the protection assembly is provided with the limiting groove one, one surface of the fixed block two away from the protection assembly is provided with the limiting groove two, one surface of the fixed block two away from the sliding block one is provided with the through hole one and the through hole two, one surface of the sliding block one close to the fixed block two is fixedly installed with the limiting block one, one surface of the limiting block one away from the sliding block one is provided with the through hole three, one surface of the fixed block two away from the sliding block one is insertedly installed with the bolt, the cross section of the fixed block two is in an H-shaped structure, the cross section of the limiting block one is in an L-shaped structure, the limiting block one is matched with the limiting groove one, the bolt penetrates through the through hole one and the through hole three, and the through hole one and the through hole three have the same hole diameter.

[0013] Through the technical scheme, when the flat plate is not extended, the firefighter first inserts the limiting block one into the limiting groove one, so that the limiting block one is close to the fixed block two, and then the bolt penetrates through the through hole one and the through hole three, so that the flat plate is not easy to slide on the sliding rail and has high stability.

[0014] Preferably, one side of the sliding block I close to the fixed block II is fixedly installed with a limiting block II, the far side of the limiting block I away from the sliding block I is provided with a through hole IV, the cross section of the limiting block II is in "L" shape structure, the limiting block II is matched with the limiting groove II, the bolt penetrates through the through hole II and the through hole IV, and the through hole II and the through hole IV are matched.

[0015] Through the technical scheme, when the flat plate needs to be extended, the bolt is pulled out from the inside of the through hole I and the through hole III, and then the flat plate is slid out, so that the limiting block II is inserted into the inside of the limiting groove II, the limiting block II is tightly attached to the fixed block II, the bolt penetrates through the through hole II and the through hole IV, when the firefighter moves on the flat plate, the flat plate is prevented from sliding on the sliding rail, and the safety is higher.

[0016] Preferably, one side of the flat plate close to the protection assembly is provided with a groove I, one side of the flat plate close to the protection assembly is fixedly installed with a hanging lug, one end of the flat plate close to the protection assembly is provided with a ladder, the outer surface of the ladder is fixedly installed with a fixed block I, the ladder is in sliding connection with the groove I, the hanging lug is communicated with the groove I, and the ladder is in rotary connection with the hanging lug.

[0017] Through the technical scheme, when the firefighter enters the high floor through the flat plate, the ladder can be pulled out from the inside of the groove I, when the ladder is completely pulled out, the ladder is rotated through the cooperation of the fixed block I and the hanging lug, so that the included angle between the ladder and the flat plate is 90°, the trapped personnel can return to the rescue platform after being rescued, and the overall convenience is improved.

[0018] Compared with the prior art, the high-rise fire extinguishing lifting ladder has the following beneficial effects:

[0019] The high-rise fire extinguishing lifting ladder has the following beneficial effects:

[0020] The high-rise fire extinguishing lifting ladder has the following beneficial effects:

[0021] 3、The high -rise fire fighting with elevating platform ladder, through the design of limiting component, when the flat is not stretched out, the firefighter first inserts the limiting block one into the inside of the limiting slot one, makes the limiting block one and the fixed block two close, then inserts the bolt through the hole one and the hole three, makes the flat not easy to slide on the slide rail, the stability is higher, when the flat needs to be stretched out, first pull out the bolt from the inside of the hole one and the hole three, then slide the flat, makes the limiting block two insert into the inside of the limiting slot two, makes the limiting block two and the fixed block two close, inserts the bolt through the hole two and the hole four, when the firefighter moves on the flat, avoids the flat to slide on the slide rail, the safety is higher. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0023] Figure 2 It is the connecting assembly installation structure schematic diagram of the utility model Figure One ;

[0024] Figure 3 It is the connecting assembly installation structure schematic diagram of the utility model Figure Two ;

[0025] Figure 4 It is the protective assembly installation structure schematic diagram of the utility model;

[0026] Figure 5 It is the flat installation structure schematic diagram of the utility model Figure One ;

[0027] Figure 6 It is the flat installation structure schematic diagram of the utility model Figure Two ;

[0028] Figure 7 It is the reinforcing rod and connecting plate installation structure schematic diagram of the utility model;

[0029] Figure 8 It is the ladder installation structure schematic diagram of the utility model;

[0030] Figure 9 It is the limiting component installation structure schematic diagram of the utility model Figure One ;

[0031] Figure 10 It is the limiting component installation structure schematic diagram of the utility model Figure Two .

[0032] Among them: 1. Ladder body; 2. Connecting assembly; 201. Fixing frame; 202. Support frame; 203. Mounting frame; 204. Screw; 205. Guide rod; 206. Handle; 207. Connecting block; 208. Connecting rod; 209. Limit plate; 3. Rescue platform; 4. Guardrail; 5. Baffle 1; 6. Protective assembly; 601. Baffle 2; 602. Groove 2; 603. Protective door; 604. Mounting slot; 605. Magnet; 606. Slider 2; 607. Slide slot 7. Slide rail; 8. Flat plate; 9. Slider 1; 10. Connecting plate; 11. Reinforcement rod; 12. Anti-slip groove; 13. Limit assembly; 1301. Fixed block 2; 1302. Limit groove 1; 1303. Limit groove 2; 1304. Through hole 1; 1305. Through hole 2; 1306. Limit block 1; 1307. Through hole 3; 1308. Latch; 1309. Limit block 2; 1310. Through hole 4; 14. Groove 1; 15. Hanging ear; 16. Ladder; 17. Fixed block 1. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] Example 1: Figures 1-10 As shown, the utility model provides a lifting ladder for high-rise fire fighting, comprising a ladder body 1 and a connecting assembly 2, a rescue platform 3 is provided at the end of the connecting assembly 2 away from the ladder body 1, and two guardrails 4 are fixedly installed on the upper surface of the rescue platform 3 and are symmetrically distributed about the center line of the rescue platform 3, a baffle 5 is fixedly installed on the upper surface of the rescue platform 3 close to the end of the connecting assembly 2, a protective assembly 6 is fixedly installed on the upper surface of the rescue platform 3 away from the end of the connecting assembly 2, a slide rail 7 is fixedly installed on the upper surface of the rescue platform 3, a flat plate 8 is provided on the side of the slide rail 7 away from the rescue platform 3, two sliders 9 are fixedly installed on the side of the flat plate 8 close to the slide rail 7 and are symmetrically distributed about the center line of the flat plate 8, an anti-slip groove 12 is provided on the side of the flat plate 8 away from the sliders 9, and a limiting assembly 13 is fixedly installed on the upper surface of the rescue platform 3.

[0035] Specifically, the connecting assembly 2 comprises a fixing frame 201, a supporting frame 202, a mounting frame 203, a lead screw 204, a guide rod 205, a handle 206, a connecting block 207, a connecting rod 208 and a limiting plate 209, the supporting frame 202 is fixedly installed at one end of the fixing frame 201 away from the ladder body 1, the mounting frame 203 is fixedly installed on the upper surface of the fixing frame 201, the lead screw 204 is rotatably installed on the inner surface of the mounting frame 203, the guide rod 205 is fixedly installed on the inner surface of the mounting frame 203, the handle 206 is fixedly installed at one end of the lead screw 204 away from the fixing frame 201, the connecting block 207 is threadedly connected to the outer surface of the lead screw 204, the connecting rod 208 is fixedly installed on the outer surface of the connecting block 207, the limiting plate 209 is fixedly installed at one end of the connecting rod 208 away from the connecting block 207, the limiting plate 209 is slidably connected with the guide rod 205, the limiting plate 209 has an “L”-shaped structure in cross section, the limiting plate 209 is matched with the baffle one 5, and the rescue platform 3 is located at the top of the supporting frame 202. Advantage is that through the design of the connecting assembly, the rescue platform 3 is first placed on the top of the supporting frame 202, so that the rescue platform 3 is close to the supporting frame 202, then the handle 206 is rotated to drive the lead screw 204 to rotate, the lead screw 204 is rotated to drive the connecting block 207 to move downwards, the connecting block 207 moves to drive the limiting plate 209 to slide downwards through the connecting rod 208, so that the limiting plate 209 is close to the baffle one 5, the quick installation of the rescue platform 3 can be realized, and through the design of the guide rod 205, the limiting plate 209 is not easy to deviate when moving.

[0036] Specifically, the protection assembly 6 comprises a baffle two 601, a groove two 602, a protection door 603, a mounting groove 604, a magnet 605, a sliding block two 606 and a sliding groove 607, the groove two 602 is formed in the outer surface of the baffle two 601, the protection door 603 is arranged on the outer surface of the baffle two 601, the mounting groove 604 is formed in the side of the protection door 603 close to the guardrail 4, the magnet 605 is insertedly installed on the inner surface of the mounting groove 604, the sliding block two 606 is fixedly installed on the side of the protection door 603 close to the rescue platform 3, the sliding groove 607 is formed in the side of the rescue platform 3 close to the protection door 603, the protection door 603 is magnetically connected with the guardrail 4, and the protection door 603 is slidably connected with the rescue platform 3. Advantage is that through the cooperation of the magnet 605 and the guardrail 4, when the firefighter is on the top of the rescue platform 3, the protection door 603 is pulled to move towards the guardrail 4, the protection door 603 is attracted to the guardrail 4 through the magnet 605, so that the protection door 603 is more closely connected with the guardrail 4, the quick locking of the protection door 603 can be realized, and through the cooperation of the sliding block two 606 and the sliding groove 607, the protection door 603 is more flexible when being pulled, and is not easy to be stuck.

[0037] Specifically, the connecting plate 10 is fixedly installed between the two sliding blocks 9, the reinforcing rod 11 is fixedly installed between the connecting plate 10 and the flat plate 8, the sliding block 9 is in sliding connection with the sliding rail 7, the cross section of the combination of the connecting plate 10 and the reinforcing rod 11 is in a “triangular” shape structure, and the cross section of the anti-skid line 12 is in a “trapezoidal” shape structure. Advantage: through the cooperation of the sliding block 9 and the sliding rail 7, when the rescue platform 3 reaches the designated position in case of fire, the firefighter first pulls the protective door 603 into the inside of the groove two 602, and then slides the flat plate 8 out of the sliding rail 7, so that it is overlapped with the high-rise window, the firefighter enters the high-rise building through the flat plate 8 to rescue the trapped personnel, and returns to the rescue platform 3 through the flat plate 8 after the rescue is completed, thereby improving the rescue efficiency. Because the triangle has stability, the cross section of the combination of the connecting plate 10 and the reinforcing rod 11 is in a “triangular” shape structure, which makes it not easy to break when the firefighter moves on the flat plate 8, improves the carrying capacity of the flat plate 8, and has high safety. Through the design of the anti-skid line 12, the contact area of the shoe sole and the flat plate 8 is increased, which makes it not easy to slip when the firefighter moves on the flat plate 8, and has high safety.

[0038] Embodiment two: as shown in the following table, which is an improvement on the previous embodiment. Figures 2-10

[0039] Specifically, the limiting assembly 13 includes a fixed block two 1301, a limiting groove one 1302, a limiting groove two 1303, a through hole one 1304, a through hole two 1305, a limiting block one 1306, a through hole three 1307, a bolt 1308, a limiting block two 1309 and a through hole four 1310. The limiting groove one 1302 is formed on one side of the fixed block two 1301 close to the protection assembly 6, the limiting groove two 1303 is formed on one side of the fixed block two 1301 away from the protection assembly 6, the through hole one 1304 and the through hole two 1305 are formed on one side of the fixed block two 1301 away from the sliding block one 9, the limiting block one 1306 is fixedly installed on one side of the sliding block one 9 close to the fixed block two 1301, the through hole three 1307 is formed on one side of the limiting block one 1306 away from the sliding block one 9, the bolt 1308 is insertedly installed on one side of the fixed block two 1301 away from the sliding block one 9, the cross section of the fixed block two 1301 is in an “H” shape structure, the cross section of the limiting block one 1306 is in an “L” shape structure, the limiting block one 1306 is matched with the limiting groove one 1302, the bolt 1308 penetrates through the through hole one 1304 and the through hole three 1307, and the through hole one 1304 and the through hole three 1307 have the same hole diameter. Advantage: when the flat plate 8 is not extended, the firefighter first inserts the limiting block one 1306 into the inside of the limiting groove one 1302, so that the limiting block one 1306 is tightly attached to the fixed block two 1301, and then the bolt 1308 penetrates through the through hole one 1304 and the through hole three 1307, so that the flat plate 8 is not easy to slide on the sliding rail 7, and has high stability.

[0040] ​Specifically, the sliding block 9 is fixedly installed with a limiting block two 1309 on the side close to the fixed block two 1301, the limiting block one 1306 is provided with a through hole four 1310 on the side away from the sliding block 9, the limiting block two 1309 is in an "L" shape in cross section, the limiting block two 1309 is matched with the limiting groove two 1303, the bolt 1308 penetrates through the through hole two 1305 and the through hole four 1310, and the through hole two 1305 is matched with the through hole four 1310. Advantage is that when the flat plate 8 needs to be extended, the bolt 1308 is pulled out from the inside of the through hole one 1304 and the through hole three 1307, then the flat plate 8 is slid out, the limiting block two 1309 is inserted into the inside of the limiting groove two 1303, the limiting block two 1309 is tightly attached to the fixed block two 1301, the bolt 1308 penetrates through the through hole two 1305 and the through hole four 1310, when the firefighter moves on the flat plate 8, the flat plate 8 is prevented from sliding on the slide rail 7, and the safety is higher.

[0041] Specifically, the flat plate 8 is provided with a groove one 14 on the side close to the protection assembly 6, the flat plate 8 is fixedly installed with a lug 15 on the side close to the protection assembly 6, the flat plate 8 is provided with a ladder 16 on the side close to the protection assembly 6, the outer surface of the ladder 16 is fixedly installed with a fixed block one 17, the ladder 16 is in sliding connection with the groove one 14, the lug 15 communicates with the groove one 14, and the ladder 16 is in rotary connection with the lug 15. Advantage is that when the firefighter enters the high floor through the flat plate 8, the ladder 16 can be pulled out from the inside of the groove one 14, when the ladder 16 is completely pulled out, the ladder 16 is rotated through cooperation of the fixed block one 17 and the lug 15, the included angle between the ladder 16 and the flat plate 8 is 90°, the trapped personnel is facilitated to return to the rescue platform 3 after being rescued, and the overall convenience is improved.

[0042] Working principle: during installation, through the design of the connecting assembly, the worker first places the rescue platform 3 on the top of the support frame 202, so that the rescue platform 3 is in close contact with the support frame 202, then rotates the handle 206 to drive the connecting block 207 to move downward, the connecting block 207 moves through the connecting rod 208 to drive the limiting plate 209 to slide downward, so that the limiting plate 209 is in close contact with the baffle 5, the quick installation of the rescue platform 3 can be realized, through the design of the guide rod 205, the limiting plate 209 is not easy to deviate when moving, when a fire occurs, through the cooperation of the magnet 605 and the guardrail 4, when the firefighter is on the top of the rescue platform 3, pull the protective door 603 to move towards the guardrail 4, so that the protective door 603 is attracted to the guardrail 4 through the magnet 605, so that the protective door 603 and the guardrail 4 are connected more tightly, the quick locking of the protective door 603 can be realized, through the cooperation of the sliding block two 606 and the sliding groove 607, when pulling the protective door 603, it is more flexible and not easy to jam, then the firefighter first inserts the limiting block one 1306 into the inside of the limiting slot one 1302, so that the limiting block one 1306 is in close contact with the fixed block two 1301, then inserts the bolt 1308 through the hole one 1304 and the hole three 1307, so that the flat plate 8 is not easy to slide on the sliding rail 7, and has high stability, then, when the rescue platform 3 reaches the designated position, the firefighter first pulls the protective door 603 into the recess two 602, then pulls out the bolt 1308 from the inside of the hole one 1304 and the hole three 1307, then slides the flat plate 8 out, so that the limiting block two 1309 is inserted into the inside of the limiting slot two 1303, so that the limiting block two 1309 is in close contact with the fixed block two 1301, and inserts the bolt 1308 through the hole two 1305 and the hole four 1310, so that it is overlapped with the high-rise window, when the firefighter moves on the flat plate 8, it avoids the flat plate 8 from sliding on the sliding rail 7, and has high safety, the firefighter enters the high-rise through the flat plate 8, after the firefighter enters the high-rise through the flat plate 8, the ladder 16 can be pulled out from the recess one 14, when the ladder 16 is completely pulled out, the ladder 16 rotates through the cooperation of the fixed block one 17 and the hanging ear 15, so that the angle between the ladder 16 and the flat plate 8 is 90°, which facilitates the rescued personnel to return to the rescue platform 3 after being rescued, improves the overall convenience, then rescues the trapped personnel, and returns to the rescue platform 3 through the flat plate 8 after the rescue is completed, improves the rescue efficiency, because the cross section of the combination of the connecting plate 10 and the reinforcing rod 11 is in the shape of a triangle, when the firefighter moves on the flat plate 8, it is not easy to break, improves the carrying capacity of the flat plate 8, and has high safety, through the design of the anti-skid pattern 12, the contact area of the shoe sole and the flat plate 8 is increased, when the firefighter moves on the flat plate 8, it is not easy to slip, and has high safety.

[0043] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-rise fire fighting aerial ladder for extinguishing fires, comprising a ladder body (1) and a connecting assembly (2), characterized in that: The connecting assembly (2) is provided with a rescue platform (3) away from one end of the ladder body (1), the upper surface of the rescue platform (3) is fixedly installed with two guardrails (4) symmetrically distributed about the center line of the rescue platform (3), the upper surface of the rescue platform (3) near one end of the connecting assembly (2) is fixedly installed with a baffle one (5), the upper surface of the rescue platform (3) away from one end of the connecting assembly (2) is fixedly installed with a protection assembly (6), the upper surface of the rescue platform (3) is fixedly installed with a slide rail (7), one side of the slide rail (7) away from the rescue platform (3) is provided with a flat plate (8), one side of the flat plate (8) near the slide rail (7) is fixedly installed with two slide blocks one (9) symmetrically distributed about the center line of the flat plate (8), one side of the flat plate (8) away from the slide block one (9) is provided with anti-skid lines (12), and the upper surface of the rescue platform (3) is fixedly installed with a limiting assembly (13).

2. The high-rise fire fighting elevating ladder according to claim 1, characterized in that: The connecting assembly (2) comprises a fixed frame (201), a support frame (202), a mounting frame (203), a lead screw (204), a guide rod (205), a handle (206), a connecting block (207), a connecting rod (208) and a limiting plate (209), one end of the fixed frame (201) away from the ladder body (1) is fixedly installed with the support frame (202), the upper surface of the fixed frame (201) is fixedly installed with the mounting frame (203), the inner surface of the mounting frame (203) is rotatably installed with the lead screw (204), the inner surface of the mounting frame (203) is fixedly installed with the guide rod (205), one end of the lead screw (204) away from the fixed frame (201) is fixedly installed with the handle (206), the outer surface of the lead screw (204) is threadedly connected with the connecting block (207), the outer surface of the connecting block (207) is fixedly installed with the connecting rod (208), one end of the connecting rod (208) away from the connecting block (207) is fixedly installed with the limiting plate (209), the limiting plate (209) is in sliding connection with the guide rod (205), the cross section of the limiting plate (209) is in "L" shape structure, the limiting plate (209) is matched with the baffle one (5), and the rescue platform (3) is located at the top of the support frame (202).

3. The high-rise fire fighting elevating ladder as claimed in claim 1, wherein: The guard assembly (6) comprises a baffle two (601), a groove two (602), a guard door (603), a mounting groove (604), a magnet (605), a sliding block two (606) and a sliding groove (607), the outer surface of the baffle two (601) is provided with the groove two (602), the outer surface of the baffle two (601) is provided with the guard door (603), one side of the guard door (603) close to the guardrail (4) is provided with the mounting groove (604), the inner surface of the mounting groove (604) is inserted and connected with the magnet (605), one side of the guard door (603) close to the rescue platform (3) is fixedly connected with the sliding block two (606), one side of the rescue platform (3) close to the guard door (603) is provided with the sliding groove (607), the guard door (603) is connected with the guardrail (4) by magnetic attraction, and the guard door (603) is connected with the rescue platform (3) by sliding.

4. The high-rise fire fighting elevating ladder as claimed in claim 1, wherein: The connecting plate (10) is fixedly connected between the two sliding blocks one (9) and the flat plate (8), and the reinforcing rod (11) is fixedly connected between the connecting plate (10) and the flat plate (8), the sliding block one (9) is connected with the sliding rail (7) by sliding, the cross section of the combination of the connecting plate (10) and the reinforcing rod (11) is in a "triangular" shape, and the cross section of the anti-skid line (12) is in a "trapezoidal" shape.

5. The high-rise fire fighting elevating ladder as claimed in claim 1, wherein: The limiting assembly (13) comprises a fixed block two (1301), a limiting groove one (1302), a limiting groove two (1303), a through hole one (1304), a through hole two (1305), a limiting block one (1306), a through hole three (1307), a bolt (1308), a limiting block two (1309) and a through hole four (1310), one side of the fixed block two (1301) close to the guard assembly (6) is provided with the limiting groove one (1302), one side of the fixed block two (1301) away from the guard assembly (6) is provided with the limiting groove two (1303), one side of the fixed block two (1301) away from the sliding block one (9) is provided with the through hole one (1304) and the through hole two (1305), one side of the sliding block one (9) close to the fixed block two (1301) is fixedly connected with the limiting block one (1306), one side of the limiting block one (1306) away from the sliding block one (9) is provided with the through hole three (1307), one side of the fixed block two (1301) away from the sliding block one (9) is insertedly connected with the bolt (1308), the cross section of the fixed block two (1301) is in an "H" shape, the cross section of the limiting block one (1306) is in an "L" shape, the limiting block one (1306) is matched with the limiting groove one (1302), the bolt (1308) penetrates through the through hole one (1304) and the through hole three (1307), and the through hole one (1304) and the through hole three (1307) have the same hole diameter.

6. A high-rise fire fighting elevating ladder as claimed in claim 5 wherein: The slider one (9) is fixedly installed with a limiting block two (1309) on one side close to the fixed block two (1301), the limiting block one (1306) is provided with a through hole four (1310) on the side away from the slider one (9), the cross section of the limiting block two (1309) is in the shape of "L", the limiting block two (1309) is matched with the limiting groove two (1303), the bolt (1308) penetrates through the through hole two (1305) and the through hole four (1310), and the through hole two (1305) and the through hole four (1310) are matched.

7. The high-rise fire fighting elevating ladder as claimed in claim 6, wherein: The flat plate (8) is provided with a groove one (14) on one side close to the protection assembly (6), the flat plate (8) is fixedly installed with a lug (15) on one side close to the protection assembly (6), one end of the flat plate (8) close to the protection assembly (6) is provided with a ladder (16), the outer surface of the ladder (16) is fixedly installed with a fixed block one (17), the ladder (16) is in sliding connection with the groove one (14), the lug (15) is communicated with the groove one (14), and the ladder (16) is in rotary connection with the lug (15).

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