Small-sized aerial ladder

Abstract

The utility model discloses a small-sized aerial ladder, which comprises a turntable bracket, fixed bottom frames are symmetrically arranged on the lower two sides of the turntable bracket, the fixed bottom frames are fixedly connected with a fire fighting truck roof through fasteners, a connecting turntable is connected between the turntable bracket and the fixed bottom frames, a guide rail bracket is movably connected onto the turntable bracket, and the guide rail bracket is movably connected onto the turntable bracket. A first scaling ladder and a second scaling ladder are respectively connected in the guide rail support, driving motors are symmetrically and movably connected to two sides of the turntable support, one end of each driving motor is connected with a hydraulic supporting rod, and the hydraulic supporting rods are movably connected with the guide rail support. The small-sized aerial ladder disclosed by the utility model is convenient to store, simple in structure, convenient to mount on the roof of a fire fighting truck, convenient to operate and capable of quickly adjusting the direction and angle of the aerial ladder, improving the emergency response efficiency, realizing a two-section ladder structure, increasing the use height, facilitating fire rescue, realizing manual auxiliary stretching and retracting, not needing a complicated mechanical structure and reducing the cost.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of fire fighting equipment, and particularly relates to a small fire ladder. BACKGROUND

[0002] With the continuous acceleration of urbanization, the number of high-rise buildings, old communities and dense residential areas increases significantly, which makes the high-altitude fire and high-altitude rescue demand rise year by year. In actual fire rescue, the ladder is widely used in personnel evacuation, fire extinguishing, material transportation and other high-altitude operations as an important climbing rescue equipment. However, the existing fire ladder is mostly heavy equipment installed on large fire trucks, which has the characteristics of large structure, large space occupation, high weight and high price, and is not suitable for deployment on small fire vehicles or portable rescue equipment, which seriously limits its application range in complex rescue environment.

[0003] The lifting platform structure of the traditional fire ladder is complex and bulky, and usually needs to be carried on a large fire truck. Due to the limitation of transportation and deployment, it is difficult to enter narrow streets or complex terrain areas, which prolongs the initial rescue response time of the fire scene and affects the rescue efficiency.

[0004] The traditional ladder equipment usually needs professional operators to set up and adjust on site. Although its automatic system can provide a certain degree of convenience, the overall deployment process takes a long time and has certain requirements for the operating environment, which is difficult to meet the efficient and rapid response rescue demand, especially in high-risk environment, the operation difficulty increases, which affects the safety.

[0005] The existing ladder equipment mostly uses complex transmission mechanism, which not only has high manufacturing cost, but also needs frequent maintenance in long-term use, and is easy to have problems such as failure and mechanical jamming, which has long maintenance period and is not conducive to the reasonable allocation of fire resources, and increases the economic burden of the user.

[0006] Therefore, it is urgent to overcome the defects of the prior art. CONTENT OF THE UTILITY MODEL

[0007] In view of the technical problems mentioned in the background art, the utility model aims to provide a small fire ladder to solve the technical problems mentioned in the background art.

[0008] To achieve the above object, the utility model provides a technical scheme of a small fire ladder truck, which comprises a turntable support, two symmetrical fixed chassis are arranged on the lower side of the turntable support, the fixed chassis is connected and fixed with the top of the fire truck through fasteners, a connecting turntable is connected between the turntable support and the fixed chassis, a guide rail support is movably connected to the turntable support, a first ladder and a second ladder are respectively connected to the guide rail support, two symmetrical drive motors are movably connected to the two sides of the turntable support, a hydraulic support rod is connected to one end of the drive motor, and the hydraulic support rod is movably connected with the guide rail support.

[0009] Further, the second ladder is slidably arranged at the lower part of the first ladder, the rear two sides of the first ladder are symmetrically provided with ladder insertion parts, the ladder insertion parts are inserted into the two sides of the guide rail support, a plurality of first ladder rungs are uniformly arranged in the first ladder, a plurality of second ladder rungs are uniformly arranged in the second ladder, a pulley component is connected to the upper part of the first ladder, a clamping piece connecting rod is connected to the lower part of the second ladder, a positioning clamping piece is movably connected to the two sides of the clamping piece connecting rod, a rung locking groove is concavely arranged at the lower end of the positioning clamping piece, and the rung locking groove is clamped on the first ladder rung and the second ladder rung to be locked.

[0010] Further, a pulley rope buckle is connected in the clamping piece connecting rod, a pulley pulling rope is connected to the pulley rope buckle, the upper end of the pulley pulling rope extends downward through the pulley component, when the pulley pulling rope is pulled, the pulley pulling rope moves downward along the pulley component, drives the pulley rope buckle, the pulley rope buckle drives the second ladder to slide upward, when the second ladder slides to a suitable position, the rung locking groove of the positioning clamping piece is clamped on the corresponding first ladder rung and second ladder rung to realize locking and positioning, so that the second ladder is extended.

[0011] Further, a guide rail connecting part is arranged at the rear part of the turntable support, a guide rail connecting rod is connected to the upper part of the guide rail connecting part, a connecting ring part is symmetrically arranged at the rear two sides of the guide rail support, the connecting ring part is movably sleeved on the outer side of the guide rail connecting rod, so that the guide rail support is movably connected to the turntable support.

[0012] Further, a hinge penetrating part is symmetrically arranged at the two sides of the turntable support, a motor penetrating part is arranged at the rear end of the drive motor, the motor penetrating part is connected between the hinge penetrating part and the motor penetrating part, and is hingedly connected through the motor penetrating part and the hinge penetrating part by fasteners, so that the drive motor is movably connected between the turntable support.

[0013] Further, the rear two sides of the guide rail support are symmetrically provided with mounting surface blocks, the middle part of the mounting surface blocks is provided with a connecting penetrating column, the end of the hydraulic supporting rod is provided with a connecting through hole, the diameter of the connecting through hole is larger than the size of the connecting penetrating column, the connecting penetrating column is connected in the connecting through hole, and the end of the connecting penetrating column is connected with a nut, so that the hydraulic supporting rod and the guide rail support are movably connected.

[0014] Further, the surface of the rotating disc support is provided with a plurality of first fixing through holes, the upper edge of the connecting rotating disc is uniformly provided with a plurality of second fixing through holes, the plurality of first fixing through holes and the plurality of second fixing through holes correspond one by one, and are connected and fixed through fasteners penetrating through the first fixing through holes and the second fixing through holes.

[0015] Further, the surface of the fixed base is provided with a plurality of third fixing through holes, the lower edge of the connecting rotating disc is uniformly provided with a plurality of fourth fixing through holes, the plurality of third fixing through holes and the plurality of fourth fixing through holes correspond one by one, and are connected and fixed through fasteners penetrating through the third fixing through holes and the fourth fixing through holes.

[0016] Further, the surface of the fixed base is provided with a plurality of mounting through holes.

[0017] The utility model mainly has following beneficial effect: the lower two sides of the rotating disc support are symmetrically provided with the fixed base, the rotating disc support and the fixed base are connected with the connecting rotating disc, the rotating disc support is movably connected with the guide rail support, the guide rail support is respectively connected with the first ladder and the second ladder, the two sides of the rotating disc support are symmetrically movably connected with the driving motor, one end of the driving motor is connected with the hydraulic supporting rod, the hydraulic supporting rod and the guide rail support are movably connected, the small fire fighting ladder of the utility model is convenient to device storage, simple structure, convenient to install on the top of fire fighting truck, convenient to operate, can adjust the direction and angle of ladder quickly, improves emergency response efficiency, realizes two section ladder structure, improves use height, is convenient for fire rescue, realizes manual auxiliary extension, does not need complex mechanical structure, reduces cost. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the whole three-dimensional structure schematic diagram of the utility model.

[0019] Fig. 2 It is the rotating disc support, fixed base, connecting rotating disc and driving motor exploded structure schematic diagram of the utility model.

[0020] Fig. 3 It is the guide rail support, first ladder and second ladder exploded structure schematic diagram of the utility model.

[0021] Fig. 4 It is the second ladder extension use state structure schematic diagram of the utility model.

[0022] Figure: Turntable bracket 10; Fixed chassis 20; Connection turntable 30; Guide rail bracket 40; First ladder 50; Second ladder 60; Drive motor 70; Hydraulic support rod 71; Ladder insertion part 51; First ladder rung 52; Second ladder rung 61; Pulley component 53; Clamping piece connecting rod 62; Positioning clamping piece 63; Rung locking groove 631; Pulley rope buckle 64; Pulley pull rope 65; Guide rail connecting part 11; Guide rail connecting rod 12; Connecting ring part 41; Hinged through part 13; Motor through part 72; Mounting face block 42; Connecting through column 421; Connecting through hole 711; First fixed through hole 14; Second fixed through hole 31; Third fixed through hole 21; Fourth fixed through hole 32; Mounting through hole 22. DETAILED DESCRIPTION

[0023] As Figs. 1 to 4 shown, a small fire ladder includes a turntable bracket 10, the lower two sides of the turntable bracket 10 are symmetrically provided with a fixed chassis 20, the fixed chassis 20 is connected and fixed with the top of the fire truck through fasteners, a connection turntable 30 is connected between the turntable bracket 10 and the fixed chassis 20, a guide rail bracket 40 is movably connected on the turntable bracket 10, a first ladder 50 and a second ladder 60 are respectively connected in the guide rail bracket 40, two drive motors 70 are movably connected on the two sides of the turntable bracket 10, a hydraulic support rod 71 is connected at one end of each of the two drive motors 70, the hydraulic support rod 71 is movably connected with the guide rail bracket 40, in use, the drive motor 70 is externally connected to a power source through a power supply line, starts the power source, drives the drive motor 70 to work, the hydraulic support rod 71 extends, pushes the guide rail bracket 40 to be propped up upwards, the turntable bracket 10 rotates through the connection turntable 30, adjusts the direction of the guide rail bracket 40 and the first ladder 50 and the second ladder 60, realizes multi-angle rescue operation, after the ladder operation is completed, the hydraulic support rod 71 is retracted, the guide rail bracket 40 is reset, the turntable bracket 10 can be rotated and reset, which is convenient for device storage, the structure is simple, the design is compact, it is convenient to install on the top of the fire truck, the operation is convenient, the direction and angle of the ladder can be quickly adjusted, and the emergency response efficiency is improved.

[0024] In the embodiment, the second ladder 60 is slidably arranged at the lower part of the first ladder 50, the rear two sides of the first ladder 50 are symmetrically provided with ladder inserting parts 51 which are inserted into the two sides of the guide rail support 40, a plurality of first ladder rungs 52 are uniformly arranged in the first ladder 50, a plurality of second ladder rungs 61 are uniformly arranged in the second ladder 60, a pulley component 53 is connected to the upper part of the first ladder 50, a clamping connecting rod 62 is connected to the lower part of the second ladder 60, the two sides of the clamping connecting rod 62 are symmetrically movably connected with positioning clamps 63, the lower end of the positioning clamp 63 is recessed with a rung locking groove 631 which is clamped on the first ladder rung 52 and the second ladder rung 61 to lock, a pulley rope buckle 64 is connected in the clamping connecting rod 62, a pulley pulling rope 65 is connected to the pulley rope buckle 64, the upper end of the pulley pulling rope 65 extends downward through the pulley component 53, in use, after the guide rail support 40 is lifted upward, the user pulls the pulley pulling rope 65, the pulley pulling rope 65 moves downward along the pulley component 53, at the same time, drives the pulley rope buckle 64, the pulley rope buckle 64 in turn drives the second ladder 60 to slide upward, when the second ladder 60 slides to the appropriate position, the rung locking groove 631 of the positioning clamp 63 is clamped on the corresponding first ladder rung 52 and the second ladder rung 61 to realize locking and positioning, so that the second ladder 60 is stably extended, realizing two-section ladder structure, improving the use height, facilitating fire rescue, realizing manual auxiliary extension, without complex mechanical structure, reducing cost, simple and reliable structure, smooth pulley guide, easy to operate, the locking structure can prevent accidental sliding.

[0025] In the embodiment, the rear part of the rotating disc support 10 is provided with a guide rail connecting part 11, the upper part of the guide rail connecting part 11 is connected with a guide rail connecting rod 12, the rear two sides of the guide rail support 40 are symmetrically provided with connecting ring parts 41 which are adapted to the guide rail connecting rod 12, the two connecting ring parts 41 are movably sleeved on the outer sides of the guide rail connecting rod 12, so that the guide rail support 40 is movably connected to the rotating disc support 10, simple structure, easy to install, adopting sleeved connection, without complex accessories.

[0026] In the embodiment, the two sides of the rotating disc support 10 are symmetrically provided with hinged penetrating parts 13, the rear ends of the two driving motors 70 are provided with motor penetrating parts 72 which are adapted to the hinged penetrating parts 13, the motor penetrating parts 72 are connected between the hinged penetrating parts 13 and are hingedly connected through fasteners penetrating the motor penetrating parts 72 and the hinged penetrating parts 13, so that the driving motors 70 are movably connected to the rotating disc support 10, simple structure, easy to install.

[0027] In the embodiment, the two rear sides of the guide rail support 40 are symmetrically provided with mounting surface blocks 42, the middle portions of the two mounting surface blocks 42 are provided with connecting through columns 421, the distal end of the hydraulic support rod 71 is provided with a connecting through hole 711, the diameter of the connecting through hole 711 is greater than the size of the connecting through column 421, the connecting through column 421 is connected in the connecting through hole 711 and connected with the distal end of the connecting through column 421 through a nut, so that the hydraulic support rod 71 and the guide rail support 40 are movably connected, the structure is simple and convenient to install.

[0028] In the embodiment, the surface of the rotating disc support 10 is provided with a plurality of first fixing through holes 14, the upper edge of the connecting rotating disc 30 is uniformly provided with a plurality of second fixing through holes 31, the plurality of first fixing through holes 14 and the plurality of second fixing through holes 31 correspond to each other one by one and are connected and fixed through the first fixing through holes 14 and the second fixing through holes 31 through fasteners, the surface of the fixed base 20 is provided with a plurality of third fixing through holes 21, the lower edge of the connecting rotating disc 30 is uniformly provided with a plurality of fourth fixing through holes 32, the plurality of third fixing through holes 21 and the plurality of fourth fixing through holes 32 correspond to each other one by one and are connected and fixed through the third fixing through holes 21 and the fourth fixing through holes 32 through fasteners, so that the connecting rotating disc 30 is connected between the rotating disc support 10 and the fixed base 20, the structure is simple and convenient to install.

[0029] In the embodiment, the surface of the fixed base 20 is provided with a plurality of mounting through holes 22, in use, the mounting through holes 22 pass through fasteners to be connected and fixed with the top of the fire fighting truck.

[0030] In summary, the two lower sides of the rotating disc support 10 are symmetrically provided with the fixed base 20, the rotating disc support 10 and the fixed base 20 are connected with the connecting rotating disc 30, the rotating disc support 10 movably connects with the guide rail support 40, the guide rail support 40 respectively connects with the first ladder 50 and the second ladder 60, the two sides of the rotating disc support 10 symmetrically movably connect with the driving motor 70, one end of the driving motor 70 connects with the hydraulic support rod 71, and the hydraulic support rod 71 movably connects with the guide rail support 40, the small fire fighting ladder of the utility model is convenient to store, the structure is simple, convenient to install on the top of the fire fighting truck, convenient to operate, can quickly adjust the direction and angle of the ladder, improves the emergency response efficiency, realizes the two-section ladder structure, improves the use height, is convenient for fire fighting and rescue, realizes manual auxiliary extension, does not need complex mechanical structure and reduces the cost.

Claims

1. A compact fire department aerial characterized by, It includes the rotating disc support (10), the lower two sides of the rotating disc support (10) are symmetrically provided with the fixed chassis (20), the fixed chassis (20) is connected and fixed with the fire truck top through the fastener, the rotating disc support (10) is connected with the fixed chassis (20), the connecting rotating disc (30) is connected between the rotating disc support (10) and the fixed chassis (20), the guide rail support (40) is movably connected on the rotating disc support (10), the first ladder (50) and the second ladder (60) are respectively connected in the guide rail support (40), the drive motor (70) is movably connected on the two sides of the rotating disc support (10), one end of the drive motor (70) is connected with the hydraulic support rod (71), the hydraulic support rod (71) is movably connected between the guide rail support (40).

2. The compact fire department aerial ladder of claim 1, wherein, The second ladder (60) is slidably arranged at the lower part of the first ladder (50), the rear two sides of the first ladder (50) are symmetrically provided with the ladder inserting part (51), the ladder inserting part (51) is inserted in the two sides of the guide rail support (40), a plurality of first ladder rungs (52) are uniformly and spaced apart arranged in the first ladder (50), a plurality of second ladder rungs (61) are uniformly and spaced apart arranged in the second ladder (60), the upper part of the first ladder (50) is connected with the pulley component (53), the lower part of the second ladder (60) is connected with the clamping piece connecting rod (62), the two sides of the clamping piece connecting rod (62) are movably connected with the positioning clamping piece (63), the lower end of the positioning clamping piece (63) is recessed with the rung locking groove (631), the rung locking groove (631) is clamped on the first ladder rung (52) and the second ladder rung (61) to lock.

3. The compact fire department aerial according to claim 2, wherein, The pulley rope buckle piece (64) is connected in the clamping piece connecting rod (62), the pulley pull rope (65) is connected on the pulley rope buckle piece (64), the upper end of the pulley pull rope (65) extends downward through the pulley component (53), when the pulley pull rope (65) is pulled, the pulley pull rope (65) moves downward along the pulley component (53), drives the pulley rope buckle piece (64), the pulley rope buckle piece (64) drives the second ladder (60) to slide upward, when the second ladder (60) slides to the appropriate position, the rung locking groove (631) of the positioning clamping piece (63) is clamped on the corresponding first ladder rung (52) and the second ladder rung (61), realizes the locking positioning, makes the second ladder (60) extend out.

4. The compact fire department aerial of claim 1, wherein, The rear part of the rotating disc support (10) is provided with the guide rail connecting part (11), the upper part of the guide rail connecting part (11) is connected with the guide rail connecting rod (12), the rear two sides of the guide rail support (40) are symmetrically provided with the connecting ring part (41), the connecting ring part (41) is movably sleeved on the outside of the guide rail connecting rod (12), so that the guide rail support (40) is movably connected on the rotating disc support (10).

5. The compact fire department aerial of claim 1, wherein, Two sides of the rotary table support (10) are symmetrically provided with hinged through parts (13), the rear end of the driving motor (70) is provided with a motor through part (72), the motor through part (72) is connected between the hinged through part (13), and is hingedly connected by fasteners through the motor through part (72) and the hinged through part (13), so that the driving motor (70) and the rotary table support (10) are movably connected.

6. The compact fire department aerial of claim 5, wherein, The rear two sides of the guide rail support (40) are symmetrically provided with mounting surface blocks (42), the middle part of the mounting surface block (42) is provided with a connecting through column (421), the distal end of the hydraulic support rod (71) is provided with a connecting through hole (711), the diameter of the connecting through hole (711) is greater than the size of the connecting through column (421), the connecting through column (421) is connected in the connecting through hole (711), and the distal end of the connecting through column (421) is connected through a nut, so that the hydraulic support rod (71) and the guide rail support (40) are movably connected.

7. The compact fire department aerial of claim 1, wherein, The surface of the rotary table support (10) is provided with a plurality of first fixing through holes (14), the upper edge of the connecting rotary table (30) is uniformly provided with a plurality of second fixing through holes (31), a plurality of the first fixing through holes (14) and a plurality of the second fixing through holes (31) one-to-one correspond, and are connected and fixed by fasteners through the first fixing through holes (14) and the second fixing through holes (31).

8. The compact fire department aerial according to claim 7, wherein, The surface of the fixed chassis (20) is provided with a plurality of third fixing through holes (21), the lower edge of the connecting rotary table (30) is uniformly provided with a plurality of fourth fixing through holes (32), a plurality of the third fixing through holes (21) and a plurality of the fourth fixing through holes (32) one-to-one correspond, and are connected and fixed by fasteners through the third fixing through holes (21) and the fourth fixing through holes (32).

9. The compact fire department aerial according to claim 8, wherein, The surface of the fixed chassis (20) is provided with a plurality of mounting through holes (22).

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