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Telescopic arm and fire fighting truck

A telescopic boom, fire truck technology, applied in lifting devices, fire rescue and other directions, can solve problems such as easy damage

Inactive Publication Date: 2020-04-10
CHANGSHA ZOOMLION FIRE FIGHTING VEHICLE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a telescopic arm to solve the problem of easy damage caused by the drag chain

Method used

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  • Telescopic arm and fire fighting truck
  • Telescopic arm and fire fighting truck
  • Telescopic arm and fire fighting truck

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Embodiment Construction

[0027] The specific embodiments of the present invention will be described in detail below with reference to the drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0028] The present invention provides a telescopic boom, wherein the telescopic boom includes a first boom section 1, a second boom section 2, a third boom section 3, and a terminal boom section 4 that are sequentially arranged from the outside to the inside. It includes a first drag chain 5 located in the first boom section 1 and connected to the first boom section 1 and the second boom section 2, a first profile 7 located in the second boom section 2, and The second profile 8 in the third arm section 3, the second drag chain 6 connected to the inside of the end arm section 4, the first profile 7 is slidably arranged in the second profile 8, the The second drag chain 6 extends ...

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Abstract

The invention relates to the field of fire-fighting equipment, and discloses a telescopic arm and a fire fighting truck. The telescopic arm comprises a first arm section (1), a second arm section (2),a third arm section (3) and a tail end arm section (4) which are sequentially arranged from outside to inside. The telescopic arm comprises a first drag chain (5) located in the first arm section (1), a first sectional material (7) located in the second arm section (2), a second sectional material (8) located in the third arm section (3) and a second drag chain (6) connected to the interior of the tail end arm section (4). The first section bar (7) is slidably arranged in the second section bar (8), and the second drag chain (6) extends into the second section bar (8) and is connected to thefirst section bar (7). By means of the technical scheme, the structures of the drag chain parts are all located in the arm sections, the drag chain structure can be well protected, external impact isavoided in the using process, and the service life of the drag chain is prolonged.

Description

Technical field [0001] The present invention relates to fire fighting equipment, in particular to a telescopic boom, and to a fire truck. Background technique [0002] Most of the drag chain mechanisms in the telescopic arms of fire trucks are external, and special drag chain profiles are used for pipeline installation. The oil pipes and cables are arranged in the drag chain profiles through front and back winding, and the heads of the drag chain profiles are respectively fixed to the corresponding boom The head, when the boom moves, can drive the drag chain profile to move, and then realize the arrangement of oil pipes and cables when the boom is telescopic. [0003] However, the external drag chain is susceptible to external shocks, especially the collision of high-temperature objects on the fire site, which causes the drag chain to be easily damaged and reduce its life. Summary of the invention [0004] The purpose of the present invention is to provide a telescopic arm to solve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66F11/04A62C27/00
CPCA62C27/00B66F11/04
Inventor 周敏周磊周轶群
Owner CHANGSHA ZOOMLION FIRE FIGHTING VEHICLE
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