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Application of power spring in aircraft luggage compartment

источник:Цянь Точность время:2022-9-14

Luggage compartments in the aircraft cabin are usually located above the heads of seated passengers. To ensure optimum headroom between luggage compartments on the one hand, and to facilitate loading on the other hand, aircraft luggage racks can be lowered from shell luggage compartments or trays in certain applications. When lowered, the front of the luggage compartment opens for loading.

A luggage compartment with a lowered housing for an aircraft, wherein the lowered housing is connected to a pulley attached to a support structure of the aircraft by a cable. In order to lower the shell, when the rope lifts the shell on the pulley, the rope is released from the pulley, in which the pulley is biased by the force of the power spring along the rotation direction of the rope wound on the pulley. The power assistance for the pivoting of the luggage cover is realized as a spring device. This solution can achieve low maintenance and wear-free equipment in every case.

  The natural tendency to expand of the power spring imparts a moment to the arbor or case, resulting in usable torque. The torque produced is cumulative, so the torque increases as the spring is tightened and decreases as the spring is loosened. Power springs that can be assembled into the customer’s housing for immediate assembly, or a retaining ring is provided for transferring the spring into the customer’s housing. Power spring torque and total turns are the most important output requirements in power spring design. The performance of a power spring depends on the size of the spring material (thickness, width and length) and available space (housing and mandrel diameter).

  Qianye Precision’s power springs are made of high strength stainless steel 301. Other materials can be used according to the requirements of custom applications. Its main feature is to provide high torque normal residual stress per unit deformation.
  Shenzhen Qianye Precision Co., Ltd. specializes in designing springs for customer specific applications. Using professional technology to achieve the requirements specified by the customer, we sincerely recommend our customers to get consultation with our R&D engineers at the early stage of product introduction and development. According to the customer’s needs and assist in product design, development, and prototyping, so that your product find the best solution to meet your application needs.

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