CN211008430U

CN211008430U - Fire engine scaling ladder that stretches out and draws back

Info

Publication number: CN211008430U
Application number: CN201921385789.1U
Authority: CN
Inventors: 菊大为; 谢奕波; 刘旭; 李响; 王德阳; 李洪钢; 李世奇
Original assignee: Anshan Hengye Special Vehicle Manufacturing Co ltd
Current assignee: Anshan Hengye Special Vehicle Manufacturing Co ltd
Priority date: 2019-08-24
Filing date: 2019-08-24
Publication date: 2020-07-14
Anticipated expiration: 2029-08-24

Abstract

The utility model relates to a fire engine technical field especially relates to a fire engine aerial ladder that stretches out and draws back. The ladder comprises a first section of ladder, a second section of ladder and an end auxiliary ladder, wherein the second section of ladder is arranged on the first section of ladder, and the end auxiliary ladder is hinged on the second section of ladder through an electric pushing device; the first section of ladder, the second section of ladder and the end auxiliary ladder respectively comprise bottom frames, cross beams, reinforcing ribs and handrails, the bottom frames are fixedly connected to two ends of the cross beams, one ends of the reinforcing ribs are fixedly connected to the bottom frames, and the other ends of the reinforcing ribs are connected with the handrails; the bottom frame is made of an integrally formed bottom frame section, the inside of the bottom frame section is hollow, the upper portion of the bottom frame section is provided with a rectangular bulge matched with the reinforcing ribs, and the side face of the bottom frame section is provided with a baffle matched with the cross beam. The special profiles are adopted for manufacturing, are matched with each other and are assembled in a modularized manner, so that the weight is light, the cost is low, the assembly procedures are fewer, and the production efficiency is high; the distance between the ladder and buildings such as doors, windows, balconies and the like can be accurately controlled, and the fire extinguishing and trapped personnel rescuing are facilitated.

Description

Fire engine scaling ladder that stretches out and draws back

Technical Field

The utility model relates to a fire engine technical field especially relates to a fire engine aerial ladder that stretches out and draws back.

Background

The aerial ladder fire truck is provided with a hydraulic lifting platform, and provides a platform for firefighters to ascend, rescue high-rise buildings, tall facilities, oil tanks and other fires, rescue trapped personnel, rescue valuable goods and materials and complete other rescue tasks. The telescopic aerial ladder is arranged on the vehicle, can be provided with the lifting bucket rotary table and the fire extinguishing device, is convenient for fire fighters to ascend to extinguish fire and rescue trapped people, is suitable for putting out high-rise building fire, and plays an important role in putting out fire disasters of high-rise buildings, fire ignition points far away from the ground and rescuing fire escape personnel.

At present, the telescopic aerial ladder of the fire fighting truck is formed by welding standard sectional materials, and has the advantages of higher cost, heavier weight, more assembly procedures and lower production efficiency.

The telescopic aerial ladder of the fire fighting truck consists of a plurality of sections of long ladders, the length of each section of long ladder is more than 5 meters, and because the length of the ladder is long, the distance between the ladder and buildings such as doors, windows, balconies and the like cannot be accurately judged, the extension distance of the ladder cannot be accurately controlled, and if the ladder is too long, the ladder is easy to scrape and touch the buildings such as the doors, the windows, the balconies and the like, so that secondary damage is caused; if the ladder is too short, the distance between the ladder and buildings such as doors, windows, balconies and the like is too long, which is not beneficial to fire extinguishing and rescuing trapped people.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides an auxiliary ladder at the end part of a telescopic ladder of a fire engine. The main parts are made of special section bars, are matched with each other and are assembled in a modularized manner, so that the weight is light, the cost is low, the assembly process is less, and the production efficiency is high; meanwhile, the distance between the ladder and buildings such as doors, windows, balconies and the like can be accurately controlled, and the fire extinguishing and trapped personnel rescuing are facilitated.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a fire fighting truck telescopic scaling ladder comprises a first section of ladder, a second section of ladder and an end part auxiliary ladder, wherein the second section of ladder is arranged on the first section of ladder, and the end part auxiliary ladder is hinged on the second section of ladder through an electric pushing device; the first section of ladder, the second section of ladder and the end auxiliary ladder respectively comprise bottom frames, cross beams, reinforcing ribs and handrails, the bottom frames are fixedly connected to two ends of the cross beams, one ends of the reinforcing ribs are fixedly connected to the bottom frames, and the other ends of the reinforcing ribs are connected with the handrails; the bottom frame is made of an integrally formed bottom frame section, the inside of the bottom frame section is hollow, the upper portion of the bottom frame section is provided with a rectangular bulge matched with the reinforcing ribs, and the side face of the bottom frame section is provided with a baffle matched with the cross beam.

Still include the push rod supporting seat, the rigid coupling is led to at second section ladder bottom to the push rod supporting seat, and electric pusher one end is articulated with the vice ladder of tip, and the electric pusher other end is articulated with the push rod supporting seat.

The handrail is made of an integrally formed handrail section, the inside of the handrail section is of a hollow structure, and the bottom of the handrail section is provided with a rectangular groove matched with the reinforcing rib.

And the bottom of the reinforcing rib is provided with a reinforcing rib groove matched with the rectangular bulge at the top of the bottom frame profile.

The cross beam is a rectangular beam, and sawteeth are uniformly distributed on the outer portion of the cross beam.

The first section of ladder and the second section of ladder further comprise limiting blocks, and the limiting blocks are fixed to the tops of the handrails through bolts.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a base frame, crossbeam and handrail adopt integrated into one piece's section bar to make, and inside is cavity, and the equipment of mutually supporting, the cost is lower, and weight is lighter, and the equipment process is less, and production efficiency is high.

2. The end part auxiliary ladder is hinged on the second section ladder through the electric pushing device, the telescopic length of the auxiliary ladder can be accurately controlled through the electric pushing device at the end part of the auxiliary ladder, and then the distance between buildings such as an AND gate, a window and a balcony and the end part of the ladder can be accurately controlled, so that extinguishment and rescue of trapped people are facilitated.

3. The utility model discloses the crossbeam is the rectangular beam, outside equipartition sawtooth, and stability is strong, is convenient for install the footboard.

4. The bottom of the handrail profile is provided with a rectangular groove matched with the reinforcing rib, the bottom of the reinforcing rib is provided with a reinforcing rib groove matched with the rectangular bulge at the top of the bottom frame profile, the upper part of the bottom frame profile is provided with a rectangular bulge matched with the reinforcing rib, and the side surface of the bottom frame profile is provided with a baffle matched with the cross beam; the end frame, the cross beam, the reinforcing ribs and the handrails are mutually matched during assembly, modular assembly is adopted, the assembly process is less, the production efficiency is high, the stability is good, and the handrail is firm and durable.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic plan view of the present invention;

FIG. 4 is a schematic side view of the structure of the present invention;

FIG. 5 is a schematic view of the bottom frame section structure of the present invention;

fig. 6 is a schematic structural view of the handrail profile of the present invention;

fig. 7 is a schematic structural view of the cross beam of the present invention;

fig. 8 is an assembly diagram of the present invention.

In the figure: 1-first section of ladder 2-second section of ladder 3-end auxiliary ladder 4-electric thruster 5-bottom frame 6-cross beam 7-reinforcing rib 8-handrail 9-push rod supporting seat 10-ladder bracket 11-limiting block 51-rectangular bulge 52-baffle 71-reinforcing rib groove 81-rectangular groove

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

example (b):

as shown in fig. 1-4, a telescopic aerial ladder of a fire fighting truck comprises a first section of ladder 1, a second section of ladder 2, an end auxiliary ladder 3 and a push rod supporting seat 9. A first ladder section 1 is mounted on a ladder bracket 10 and a second ladder section 2 is mounted on the first ladder section 1. The push rod supporting seat 9 is fixedly connected to the bottom of the second section of ladder 2, one end of the electric pushing device 4 is hinged to the end auxiliary ladder 3, and the other end of the electric pushing device 4 is hinged to the push rod supporting seat 9. The electric pushing device 4 extends and shortens to drive the end auxiliary ladder 3 to extend or retract into the second section of ladder 2.

First section ladder 1, second section ladder 2 and tip auxiliary ladder 3 form by end frame 5, crossbeam 6, strengthening rib 7 and 8 welding of handrail, and 2 individual end frame 5 levels are placed, and the welding of a plurality of crossbeams 6 is between 2 individual end frames 5, and the welding of 7 one ends of strengthening rib is on end frame 5, and the other end and the 8 welding of handrail of strengthening rib 7.

As shown in fig. 5, the bottom frame 5 is made of an integrally formed bottom frame section, the bottom frame section is hollow inside, the upper portion of the bottom frame section is provided with a rectangular protrusion 51 adapted to the reinforcing rib, and the side surface of the bottom frame section is provided with a baffle 52 adapted to the cross beam 6.

As shown in fig. 6, the handrail 8 is made of an integrally formed handrail profile, the inside of the handrail profile is a hollow structure, and the bottom of the handrail profile is provided with a rectangular groove 81 adapted to the reinforcing rib.

As shown in FIG. 7, the cross beam 6 is a rectangular beam, and sawteeth are uniformly distributed on the outer part of the beam.

As shown in fig. 8, the bottom of the reinforcing rib 7 is provided with a reinforcing rib groove 71 matched with the rectangular projection 51 at the top of the bottom frame profile. The reinforcing ribs 7 are arranged at the top of the bottom frame 5, and the rectangular protrusions 51 are placed in the reinforcing rib grooves 71. The bottom of the handrail 8 is provided with a rectangular groove 81 matched with the reinforcing ribs, and the tops of the reinforcing ribs 7 are placed in the rectangular groove 81. The first section of ladder 1 and the second section of ladder 2 further comprise limiting blocks 11, and the limiting blocks 11 are fixed to the tops of the handrails 8 through bolts. The side surfaces of the bottom frames 5 are provided with baffle plates 52 matched with the cross beams 6, and the cross beams 6 are welded between the two bottom frames 5.

The utility model discloses a base frame 5, crossbeam 6 and handrail 8 adopt integrated into one piece's section bar to make, and inside is cavity, and the equipment of mutually supporting, the cost is lower, and weight is lighter, and the equipment process is less, and production efficiency is high.

The tip is vice ladder 3 and is articulated on second festival ladder 2 through electric pusher 4, but through the flexible length of electric pusher 4 accurate control vice ladder, and then the distance between buildings such as accurate control ladder tip AND gate, window, balcony does benefit to and puts out a fire and rescue stranded personnel.

The utility model discloses crossbeam 6 is the rectangular beam, outside equipartition sawtooth, and stability is strong, is convenient for install the footboard.

The bottom of the handrail profile is provided with a rectangular groove 81 matched with the reinforcing rib, the bottom of the reinforcing rib 7 is provided with a reinforcing rib groove 71 matched with the rectangular bulge at the top of the bottom frame profile, the upper part of the bottom frame profile is provided with a rectangular bulge 51 matched with the reinforcing rib, and the side surface of the bottom frame profile is provided with a baffle plate 52 matched with the cross beam 6; during assembly, the bottom frame 5, the cross beam 6, the reinforcing ribs 7 and the handrails 8 are mutually matched, modular assembly is adopted, assembly procedures are less, production efficiency is high, stability is good, and the handrail is firm and durable.

The above embodiments are implemented on the premise of the technical solution of the present invention, and detailed implementation and specific operation processes are given, but the protection scope of the present invention is not limited to the above embodiments. The methods used in the above examples are conventional methods unless otherwise specified.

Claims

1. The utility model provides a fire engine aerial ladder that stretches out and draws back which characterized in that: the ladder comprises a first section of ladder, a second section of ladder and an end auxiliary ladder, wherein the second section of ladder is arranged on the first section of ladder, and the end auxiliary ladder is hinged on the second section of ladder through an electric pushing device; the first section of ladder, the second section of ladder and the end auxiliary ladder respectively comprise bottom frames, cross beams, reinforcing ribs and handrails, the bottom frames are fixedly connected to two ends of the cross beams, one ends of the reinforcing ribs are fixedly connected to the bottom frames, and the other ends of the reinforcing ribs are connected with the handrails; the bottom frame is made of an integrally formed bottom frame section, the inside of the bottom frame section is hollow, the upper portion of the bottom frame section is provided with a rectangular bulge matched with the reinforcing ribs, and the side face of the bottom frame section is provided with a baffle matched with the cross beam.

2. The telescopic aerial ladder of the fire fighting truck as claimed in claim 1, wherein: the electric pushing device is characterized by further comprising a push rod supporting seat, the push rod supporting seat is fixedly connected to the bottom of the second section ladder, one end of the electric pushing device is hinged to the end auxiliary ladder, and the other end of the electric pushing device is hinged to the push rod supporting seat.

3. The telescopic aerial ladder of the fire fighting truck as claimed in claim 1, wherein: the handrail is made of an integrally formed handrail section, the inside of the handrail section is of a hollow structure, and the bottom of the handrail section is provided with a rectangular groove matched with the reinforcing rib.

4. The telescopic aerial ladder of the fire fighting truck as claimed in claim 1, wherein: and the bottom of the reinforcing rib is provided with a reinforcing rib groove matched with the rectangular bulge at the top of the bottom frame profile.

5. The telescopic aerial ladder of the fire fighting truck as claimed in claim 1, wherein: the cross beam is a rectangular beam, and sawteeth are uniformly distributed on the outer portion of the cross beam.

6. The telescopic aerial ladder of the fire fighting truck as claimed in claim 1, wherein: the first section of ladder and the second section of ladder further comprise limiting blocks, and the limiting blocks are fixed to the tops of the handrails through bolts.