Title:
LIFT MECHANISM OF EXHIBITION PORTABLE POWER DISTRIBUTION CABINET
Document Type and Number:
WIPO Patent Application WO/2017/201974
Kind Code:
A1
Abstract:
A lift mechanism of an exhibition portable power distribution cabinet comprises a portable power distribution cabinet (1), a servo motor (2), a reduction drive (3), four vertical threaded rods (4), four threaded rod sleeves (5), four chain wheels (6), a chain (7), and a lift platform (8). The four vertical threaded rods (4) are arranged vertically, and lower ends of the vertical threaded rods (4) are rotatbly disposed on the portable power distribution cabinet (1). The four chain wheels (6) are fixed at the lower ends of the four vertical threaded rods (4), respectively. The chain (7) is arranged on the four chain wheels (6). Lower ends of the four threaded rod sleeves (5) are fit via openings to upper ends of the four vertical threaded rods (4) and connected using threads to the vertical threaded rods (4), respectively. Upper ends of the four threaded rod sleeves (5) are fixed at a lower side of the lift platform (8). The lift platform (8) is arranged horizontally. The lower end of one of the four vertical threaded rods (4) is connected to the reduction drive (3) and driven by the same. The reduction drive (3) is connected to the servo motor (2) and driven by the same. The lift mechanism is simple in structure, easy to operate, and implements automatic opening of the lift platform (8), saving time and effort, and ensuring safety.
More Like This:
| WO/2011/143738 | MODULAR SKID FRAME |
Inventors:
REN YAN (CN)
DIAO CHUNLEI (CN)
LI XUAN (CN)
DIAO CHUNLEI (CN)
LI XUAN (CN)
Application Number:
PCT/CN2016/104773
Publication Date:
November 30, 2017
Filing Date:
November 23, 2016
Export Citation:
Assignee:
JIANGSU JINGYI ELECTRIC TECH CO LTD (CN)
International Classes:
H02B1/52; H02B1/30; E04G1/18
Foreign References:
| CN105914695A | 2016-08-31 | |||
| CN203022323U | 2013-06-26 | |||
| CN201956587U | 2011-08-31 | |||
| CN204927897U | 2015-12-30 | |||
| CN203562663U | 2014-04-23 | |||
| US8084686B2 | 2011-12-27 |
Attorney, Agent or Firm:
NANJING TIANYI PATENT AGENT CO., LTD. (CN)
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