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Symmetrical arm quick automatic opening and closing system of ultralow temperature shielding case

A shielding cover and self-opening and closing technology, applied in shielding, instrument parts, instruments, etc., can solve the problems of high cost, technical difficulty, and long research and development cycle, and achieve the goals of suppressing vibration, broadening thinking, and increasing opening speed Effect

Inactive Publication Date: 2012-11-07
INST OF AUTOMATION CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Compared with the two structures, the former is technically more difficult, costly, and has a longer development cycle, but the existing self-opening and closing shield system mainly meets the technical requirements for the slow release of freezing medium (more than 10 seconds), while the pull-up type meets the medium The technical requirements for quick release (0.1 seconds), generally the basis for choosing two structures is the release time of the freezing medium

Method used

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  • Symmetrical arm quick automatic opening and closing system of ultralow temperature shielding case
  • Symmetrical arm quick automatic opening and closing system of ultralow temperature shielding case
  • Symmetrical arm quick automatic opening and closing system of ultralow temperature shielding case

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Embodiment Construction

[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0021] figure 1 is a side and top view of a prior art single rotary drive shield evacuation system, figure 1 (a) is a side view of a single rotary drive shield evacuation system in the prior art, figure 1 (b) is a top view of the single-rotation-driven shield evacuation system in the prior art, as figure 1 As shown, the single-rotation drive shield evacuation system in the prior art includes: a support body 1, a winding shaft 2, two helical gears 3, a shield bracket 4, a half-box shield 5, a bearing seat 6, a rotating shaft and a bevel Gear assembly 7, coupling 8, rotary servo motor 9.

[0022] Wherein, the rotary servo motor 9 is connected to the horizontally placed rotating shaft and the helical gear assembly 7 throu...

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Abstract

The invention discloses a symmetrical arm quick automatic opening and closing system of an ultralow temperature shielding case, which comprises a support body, a rotation shaft, two bevel gears, a shielding case bracket, a half-box-shaped shielding case, a rotating shaft and bevel gear assembly, a coupler, a rotating servo motor, two spur gears, a piston rod and rack assembly and a linear cylinder, wherein the rotating servo motor drives the half-box-shaped shielding case to symmetrically open by virtue of the rotating shaft and bevel gear assembly, the two bevel gears and the shielding case bracket; and the linear cylinder drives the shielding case to symmetrically open by virtue of the piston rod and rack assembly, the two spur gears and the shielding case bracket. By adopting the synchronous drive configuration that the rotating servo motor drives the staggered bevel gears and the linear servo cylinder drives the gear racks, the synchronous drive by two drive systems is realized, and the quick opening and closing of the half-box-shaped shielding case is realized by coordinating the output torques of the two drive systems. The system realizes quick extraction of the ultralow temperature shielding case, and has significant practical meanings to the ultralow temperature medium application engineering.

Description

technical field [0001] The invention relates to the technical field of ultra-low temperature shielding covers for precision devices, in particular to a rapid self-opening and closing system (servo motor + driving mechanism) for symmetrical arms of an ultra-low temperature shielding cover. Background technique [0002] In some special fields, the working gas is solidified by establishing ultra-low temperature, thereby increasing the energy density of the working medium. For the working medium with a small volume of millimeters, it is necessary to establish an ultra-low temperature environment of the same order of magnitude. On the one hand, it saves costs, and on the other hand, it improves the temperature control accuracy to meet the requirements of the medium’s working indicators. For most cases, the working medium needs to be exposed to the normal environment when it releases energy in order to connect with external instruments, etc., to achieve a complete system working c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G12B17/06
Inventor 刘衍吴保林刘芳芳徐德
Owner INST OF AUTOMATION CHINESE ACAD OF SCI
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