Fire rescue hook ladder

Abstract

The utility model relates to the technical field of hook ladders, and discloses a fire rescue hook ladder which comprises a main ladder, two sets of grooves are formed in the bottom of the surface of the main ladder, opening and closing mechanisms are rotationally connected in the grooves, supporting plates are slidably connected to the bottoms of the opening and closing mechanisms, an A servo motor is fixedly installed on one side of the main ladder, and a B servo motor is fixedly installed on the other side of the main ladder. A lifting mechanism is fixedly arranged at the output end of the servo motor A, a lifting block is in threaded connection with the surface of the lifting mechanism, a lifting ladder is welded to one side of the lifting block, and an equipment cabin is fixedly arranged at the top of the lifting ladder. According to the fire rescue hook ladder, the rotating mechanism and the hook are arranged, a storage battery provides a power source, a servo motor B drives a rotating gear to rotate, then a driven gear is driven to rotate, the hook rotates along with the rotating gear, the hook can be folded when not used, personnel are prevented from being hurt, the hook can be quickly rotated out when used, and rescue personnel can quickly use the hook ladder conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of hook ladders, in particular to a fire rescue hook ladder. Background Art

[0002] A hook ladder is a fire ladder that can hook onto a window sill, railing, or other protrusion to allow climbing of a building.

[0003] The fire rescue hook ladder disclosed in the publication number CN219993604U, although, through the provision of bayonet, docking interface, docking plate and card plate, the fire rescue hook ladder can automatically increase and decrease the length according to the height of the floor, to avoid the situation where the fire rescue hook ladder is too long or too short to be hooked on the window when encountering some high or low floors.

[0004] However, the fire rescue hook ladder has the following disadvantages:

[0005] (1) It is inconvenient to put away the hook. When the hook is extended, its tip is easy to injure people, which poses a safety hazard;

[0006] (2) When adjusting the overall height of the rescue ladder, personnel are required to connect the hook ladders one by one, which takes a lot of time and easily delays the precious time of rescue. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] The technical problem solved by the utility model is to provide a fire rescue hook ladder which is highly practical, can be simply operated and has a relatively simple structure, thereby solving the problems raised in the above-mentioned background technology that it is inconvenient to retract the hook, the tip of the hook in the extended state is easy to injure personnel, there are safety hazards, and personnel are required to connect the hook ladder sections one by one, which takes a lot of time.

[0009] (II) Technical solution

[0010] To achieve the above objectives, the utility model is implemented through the following technical solutions: a fire rescue hook ladder comprises a main ladder, two groups of grooves are provided at the bottom of the surface of the main ladder, an opening and closing mechanism is rotatably connected inside the grooves, a support plate is slidably connected at the bottom of the opening and closing mechanism, an A servo motor is fixedly installed on one side of the main ladder, a lifting mechanism is fixedly arranged on the output end of the A servo motor, a lifting mechanism is threadedly connected on the surface of the lifting mechanism with a lifting block, a lift is welded on one side of the lifting block, an equipment cabin is fixedly arranged on the top of the lift, a B servo motor is fixedly installed inside the equipment cabin, a rotating mechanism is fixedly arranged on the output end of the B servo motor, and a hook is fixedly arranged on the surface of the rotating mechanism.

[0011] As a further solution of the utility model, the opening and closing mechanism includes a hydraulic rod rotatably connected to the inside of the groove, and the bottom of the hydraulic rod is rotatably connected to a sliding block, and the hydraulic rod drives the sliding block to slide.

[0012] As a further solution of the utility model, a sliding groove is provided on the top surface of the support plate, the sliding block is slidably connected to the inside of the sliding groove, a fixing hole is provided on one side of the sliding block, a fixing bolt penetrates the internal thread of the fixing hole, a plurality of threaded holes compatible with the fixing bolts are equidistantly provided in the axial direction on one side of the support plate, one side of the support plate is rotatably connected to the bottom of the groove through a damping shaft, and the support plate is used to support the main ladder.

[0013] As a further solution of the utility model, the lifting mechanism includes an A gear fixedly arranged at the output end of the A servo motor, a B gear is meshed on one side of the A gear, a threaded screw is fixedly arranged on the top of the B gear, a mounting groove is opened at the bottom of the main ladder surface, and the B gear is rotatably connected to the bottom of the mounting groove. The B gear drives the threaded screw to rotate.

[0014] As a further solution of the utility model, a lifting groove is provided on one side of the main ladder surface, and the lifting block is slidably connected to the inside of the lifting groove. A limiting groove is provided on the other side of the main ladder surface, and a limiting block is fixedly arranged on one side of the back of the elevator, and the limiting block is slidably connected to the inside of the limiting groove, and the limiting block slides synchronously with the lifting block.

[0015] As a further solution of the utility model, the rotating mechanism includes a rotating gear fixedly arranged at the output end of the B servo motor, a driven gear is meshed at the bottom of the rotating gear, and the hook is fixedly arranged on the surface of the driven gear, and the driven gear drives the hook to rotate.

[0016] As a further solution of the utility model, rotating rods are fixedly provided on both sides of the driven gear, one end of the rotating rod is rotatably connected to the inner wall of the equipment cabin, and the rotating rod is used to support the driven gear.

[0017] As a further solution of the utility model, a through groove adapted to the hook is provided on the surface of the equipment compartment, and a battery for power supply is fixedly installed at the bottom of one side of the main ladder, so that the battery can provide power.

[0018] (III) Beneficial effects

[0019] The utility model provides a fire rescue hook ladder, which has the following beneficial effects:

[0020] 1. The fire rescue hook ladder is provided with a rotating mechanism and a hook, and the battery provides power. The B servo motor drives the rotating gear to rotate, and then drives the driven gear to rotate, so that the hook follows the rotation. When not in use, the hook can be put away to avoid hurting people. When in use, the hook can be quickly turned out to facilitate quick use by rescue personnel.

[0021] 2. The fire rescue hook ladder, through the setting of the lifting mechanism and the lift, after the A servo motor is powered on, it drives the A gear to rotate, and then drives the B gear to rotate, and the B gear drives the threaded screw to rotate, so that the lifting block rises and falls inside the lifting slot, driving the lift to rise and fall on the surface of the main ladder, adjusting the overall height of the fire rescue ladder, and facilitating rescue personnel to carry out fire rescue at different heights.

[0022] 3. The fire rescue hook ladder is equipped with an opening and closing mechanism and a support plate. When in use, the bottom of the main ladder is pressed against the bottom surface, the hydraulic rod is opened, and the hydraulic rod is extended to drive the sliding block to slide on the support plate. The support plate is opened and pressed against the ground, and then the fixing bolts are tightened to fix the sliding block, thereby achieving the effect of improving the stability of the bottom of the rescue ladder and avoiding displacement that affects the safety of people climbing the ladder. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the rotating mechanism and hook structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the utility model lift;

[0026] Figure 4 This is a schematic diagram of the lifting mechanism structure of the utility model;

[0027] Figure 5 It is a schematic diagram of the structure of the opening and closing mechanism of the utility model.

[0028] In the figure: 1. main ladder; 2. opening and closing mechanism; 201. hydraulic rod; 202. sliding block; 3. support plate; 4. A servo motor; 5. lifting mechanism; 501. A gear; 502. B gear; 503. threaded screw; 6. lifting block; 7. elevator; 8. equipment compartment; 9. B servo motor; 10. rotating mechanism; 1001. rotating gear; 1002. driven gear; 11. hook; 12. fixing bolt; 13. limit block; 14. rotating rod; 15. battery. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figures 1 to 5 The utility model provides a technical solution: a fire rescue hook ladder comprises a main ladder 1, and two groups of grooves are provided at the bottom of the surface of the main ladder 1, and an opening and closing mechanism 2 is rotatably connected inside the groove. Through the setting of the opening and closing mechanism 2 and the support plate 3, when in use, the bottom of the main ladder 1 is pressed against the bottom surface, and the hydraulic rod 201 is opened. The hydraulic rod 201 is extended to drive the sliding block 202 to slide on the support plate 3, and the support plate 3 is opened and pressed against the ground, and then the fixing bolt 12 is screwed to fix the sliding block 202, thereby achieving the effect of improving the stability of the bottom of the rescue ladder and avoiding displacement that affects the safety of people climbing the ladder. The bottom of the opening and closing mechanism 2 is slidably connected to the support plate 3, and one side of the main ladder 1 is fixedly installed with an A servo motor 4, and the output end of the A servo motor 4 is fixedly provided with a lifting mechanism 5, and the surface of the lifting mechanism 5 is threadedly connected with a lifting block 6, and a lifting ladder 7 is welded on one side of the lifting block 6. Through the setting of the lifting mechanism 5 and the lifting ladder 7, the A servo motor 4 is powered on to drive The A gear 501 rotates, thereby driving the B gear 502 to rotate. The B gear 502 drives the threaded screw 503 to rotate, so that the lifting block 6 is lifted and lowered inside the lifting slot, driving the lift 7 to lift and lower on the surface of the main ladder 1, and adjusting the overall height of the fire rescue ladder to facilitate rescue personnel to perform fire rescue at different heights. An equipment cabin 8 is fixedly provided on the top of the lift 7, and a B servo motor 9 is fixedly installed inside the equipment cabin 8. A rotating mechanism 10 is fixedly provided on the output end of the B servo motor 9, and a hook 11 is fixedly provided on the surface of the rotating mechanism 10. Through the setting of the rotating mechanism 10 and the hook 11, the battery 15 provides power, and the B servo motor 9 drives the rotating gear 1001 to rotate, thereby driving the driven gear 1002 to rotate, so that the hook 11 rotates with it. When not in use, the hook 11 can be folded up to fit on the surface of the lift 7 to avoid injury to personnel. When in use, the hook 11 can be quickly turned out to facilitate quick use by rescue personnel.

[0031] The opening and closing mechanism 2 includes a hydraulic rod 201 rotatably connected to the inside of the groove, and a sliding block 202 is rotatably connected to the bottom of the hydraulic rod 201. Through the setting of the opening and closing mechanism 2, the support plate 3 is propped open to improve the stability of the rescue ladder.

[0032] A sliding groove is provided on the top surface of the support plate 3, and the sliding block 202 is slidably connected to the inside of the sliding groove. A fixing hole is provided on one side of the sliding block 202, and a fixing bolt 12 passes through the internal thread of the fixing hole. A plurality of threaded holes compatible with the fixing bolt 12 are equidistantly provided along the axial direction on one side of the support plate 3. One side of the support plate 3 is rotatably connected to the bottom of the groove through a damping shaft. The setting of the fixing bolt 12 plays a role in fixing the sliding block 202 and the support plate 3.

[0033] The lifting mechanism 5 includes an A gear 501 fixedly arranged at the output end of the A servo motor 4, a B gear 502 is meshed on one side of the A gear 501, a threaded screw 503 is fixedly arranged on the top of the B gear 502, a mounting groove is provided at the bottom of the surface of the main ladder 1, and the B gear 502 is rotatably connected to the bottom of the mounting groove. Through the setting of the lifting mechanism 5, it plays a role in driving the lifting ladder 7 to rise and fall, and adjusts the overall height of the rescue ladder.

[0034] A lifting groove is provided on one side of the surface of the main ladder 1, and the lifting block 6 is slidably connected to the inside of the lifting groove. A limiting groove is provided on the other side of the surface of the main ladder 1, and a limiting block 13 is fixedly arranged on one side of the back of the elevator 7. The limiting block 13 is slidably connected to the inside of the limiting groove. The setting of the limiting block 13 plays a role in limiting the elevator 7.

[0035] The rotating mechanism 10 includes a rotating gear 1001 fixedly arranged at the output end of the B servo motor 9, a driven gear 1002 is meshed at the bottom of the rotating gear 1001, and a hook 11 is fixedly arranged on the surface of the driven gear 1002. Through the setting of the rotating mechanism 10, the hook 11 is driven to rotate.

[0036] A rotating rod 14 is fixedly provided on both sides of the driven gear 1002 , and one end of the rotating rod 14 is rotatably connected to the inner wall of the equipment cabin 8 . The setting of the rotating rod 14 plays a role in supporting the driven gear 1002 .

[0037] A through groove matched with the hook 11 is provided on the surface of the equipment compartment 8, and a battery 15 for power supply is fixedly installed at the bottom of one side of the main ladder 1. The battery 15 plays a role of providing power.

[0038] In the utility model, the working steps of the device are as follows:

[0039] Step 1: When in use, place the bottom of the main ladder 1 against the bottom surface, open the hydraulic rod 201, and the hydraulic rod 201 extends to drive the sliding block 202 to slide on the support plate 3, open the support plate 3 and press it against the ground, and then screw the fixing bolt 12 to fix the sliding block 202, so that the hydraulic rod 201 and the support plate 3 are fixed, increasing the ground contact area of ​​the bottom of the main ladder 1, improving the stability of the main ladder 1, and avoiding the rescue ladder from shaking during use, which affects people climbing the ladder;

[0040] Step 2: The battery 15 provides power, and the B servo motor 9 drives the rotating gear 1001 to rotate, and then drives the driven gear 1002 to rotate, so that the hook 11 rotates accordingly, and the hook 11 is quickly opened to facilitate personnel rescue. When not in use, the hook 11 can be put away to avoid hurting people;

[0041] The third step: after the A servo motor 4 is powered on, it drives the A gear 501 to rotate, and then drives the B gear 502 to rotate. The B gear 502 drives the threaded screw 503 to rotate, so that the lifting block 6 is lifted and lowered inside the lifting slot, driving the lifting ladder 7 to lift and lower on the surface of the main ladder 1, thereby adjusting the overall height of the fire rescue ladder and performing fire rescue at different heights.

[0042] It should be noted that the equipment structure and drawings of the present utility model mainly describe the principle of the present utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above-mentioned utility model, they can clearly know the details of its power mechanism, power supply system and control system. The control method of the application document is to automatically control through a controller, and the control circuit of the controller can be realized by simple programming by technical personnel in this field; although the embodiments of the present utility model have been shown and described, for ordinary technical personnel in this field, it can be understood that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and spirit of the present utility model, and the scope of the present utility model is defined by the attached claims and their equivalents.

Claims

1. A fire rescue hook ladder, comprising a main ladder (1), characterized in that: Two groups of grooves are provided at the bottom of the surface of the main ladder (1), and an opening and closing mechanism (2) is rotatably connected inside the grooves. A support plate (3) is slidably connected to the bottom of the opening and closing mechanism (2). An A servo motor (4) is fixedly installed on one side of the main ladder (1), and a lifting mechanism (5) is fixedly arranged at the output end of the A servo motor (4). A lifting block (6) is threadedly connected to the surface of the lifting mechanism (5), and a lift (7) is welded to one side of the lifting block (6). An equipment cabin (8) is fixedly arranged on the top of the lift (7), and a B servo motor (9) is fixedly installed inside the equipment cabin (8). A rotating mechanism (10) is fixedly arranged at the output end of the B servo motor (9), and a hook (11) is fixedly arranged on the surface of the rotating mechanism (10).

2. The fire rescue hook ladder according to claim 1, characterized in that: The opening and closing mechanism (2) comprises a hydraulic rod (201) rotatably connected to the inside of the groove, and a sliding block (202) is rotatably connected to the bottom of the hydraulic rod (201).

3. The fire rescue hook ladder according to claim 2, characterized in that: A sliding groove is provided on the top surface of the support plate (3), the sliding block (202) is slidably connected to the inside of the sliding groove, a fixing hole is provided on one side of the sliding block (202), a fixing bolt (12) penetrates through the internal thread of the fixing hole, a plurality of threaded holes matching the fixing bolt (12) are provided on one side of the support plate (3) at equal intervals along the axial direction, and one side of the support plate (3) is rotatably connected to the bottom of the groove via a damping shaft.

4. The fire rescue hook ladder according to claim 1, characterized in that: The lifting mechanism (5) comprises an A gear (501) fixedly arranged at the output end of the A servo motor (4), a B gear (502) meshing with one side of the A gear (501), a threaded lead screw (503) fixedly arranged at the top of the B gear (502), a mounting groove is provided at the bottom of the surface of the main ladder (1), and the B gear (502) is rotatably connected to the bottom of the mounting groove.

5. The fire rescue hook ladder according to claim 1, characterized in that: A lifting groove is provided on one side of the surface of the main ladder (1), and the lifting block (6) is slidably connected to the inside of the lifting groove. A limiting groove is provided on the other side of the surface of the main ladder (1), and a limiting block (13) is fixedly provided on one side of the back of the lifting ladder (7), and the limiting block (13) is slidably connected to the inside of the limiting groove.

6. The fire rescue hook ladder according to claim 1, characterized in that: The rotating mechanism (10) comprises a rotating gear (1001) fixedly arranged at the output end of the B servo motor (9), a driven gear (1002) is meshed at the bottom of the rotating gear (1001), and the hook (11) is fixedly arranged on the surface of the driven gear (1002).

7. The fire rescue hook ladder according to claim 6, characterized in that: A rotating rod (14) is fixedly provided on both sides of the driven gear (1002), and one end of the rotating rod (14) is rotatably connected to the inner wall of the equipment cabin (8).

8. The fire rescue hook ladder according to claim 1, characterized in that: A through groove matched with the hook (11) is provided on the surface of the equipment compartment (8), and a storage battery (15) for power supply is fixedly installed at the bottom of one side of the main ladder (1).

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