Aerial ladder and firefighting aerial ladder vehicle
A technology of aerial ladders and ladder frames, which is applied in the direction of ladders, buildings, building structures, etc., can solve problems affecting the stability of aerial ladders, poor contact, and deformation of the lower chord, and achieve the effects of light weight, reduced weight, and reduced bending moment
Active Publication Date: 2014-03-26
CHANGSHA ZOOMLION FIRE FIGHTING VEHICLE +1
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Problems solved by technology
In this way, each ladder frame needs to be welded during the manufacturing process, and the welded lower chord is prone to deformation, which will cause poor contact between the lower chord and the slider, support roller or upper stop, which seriously affects the The overall stability of the ladder
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[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0039] Please refer to image 3 , the aerial ladder provided by the present invention includes a multi-section ladder frame, such as image 3 The first ladder frame 1, the second ladder frame 2, the third ladder frame 3, the fourth ladder frame 4, the fifth ladder frame 5 and the sixth ladder frame 6 are shown in the figure. Each ladder frame has two upper chords and two lower chords, a plurality of ladder bars are arranged between the two lower chords, and a...
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The invention discloses an aerial ladder and a firefighting aerial ladder vehicle. The aerial ladder comprises a plurality of segments of ladder racks, and each of the segments of ladder racks comprises two upper chords, two lower chords, a plurality of ladder baffle rods and a plurality of web members; in each adjacent two segments of ladder racks, an upper baffle block positioned over the lower chords of the inside ladder rack, a bottom sliding part positioned below the lower chords of the inside ladder rack and supporting the inside ladder rack in a sliding manner, and a side sliding part positioned on the side surface of the inside ladder rack and supporting the lower chords of the inside ladder rack in a sliding manner are installed in the outside ladder rack; and each of the lower chords is a hollow tube with the cross section having a polygonal contour, and in each adjacent two segments of ladder racks, the lower chords of the inside ladder rack possesses a first surface supporting the upper baffle block, a second surface supporting the side sliding part, and a third surface supporting the bottom sliding part. In the aerial ladder, a welding technology of the lower chords is not needed, so the deformation of the lower chords is reduced, and the good contact of the lower chords with the sliding blocks, supporting rollers or upper baffle blocks is guaranteed.
Description
technical field [0001] The invention relates to the technical field of engineering machinery, in particular to an aerial ladder and a fire-fighting aerial ladder vehicle. Background technique [0002] As a very important rescue equipment, the fire ladder truck is widely used at home and abroad. At present, the main operation method of the fire-fighting aerial ladder truck is: install a working bucket for manning on the top of the aerial ladder, and the aerial ladder reaches the working height through lifting and stretching, so as to realize the transportation of firefighters and fire-fighting equipment to high altitudes, or rescue trapped people from high places personnel. [0003] The aerial ladder is one of the most important components of the fire-fighting aerial ladder vehicle, and its structure affects the performance of the entire fire-fighting aerial ladder vehicle. The structure of each section of the ladder frame on the aerial ladder affects the carrying capacity ...
Claims
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IPC IPC(8): E06C7/00
Inventor 艾国栋周磊黄星
Owner CHANGSHA ZOOMLION FIRE FIGHTING VEHICLE