Dismounting device of front-opening protection screen
A technology of protecting the screen and opening the front door, applied in the direction of the substation/distribution device shell, etc., can solve the problems of large vibration, short circuit of the small busbar on the top of the screen, and personal injury at work.
Active Publication Date: 2010-02-10
XINXIANG POWER SUPPLY COMPANY STATE GRID HENAN ELECTRIC POWER
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Problems solved by technology
[0002]Because the front door protection screen has the advantages of saving space and occupying a small area, it is widely used, but there are the following problems in the process of replacing the protection screen. The area is small, mainly because the protective screen is connected to the wall of the small room behind the screen in the protective room, and the left and right are protective screens. Operators can only work within a limited range in front of the protective screen, and only a few people have a working area when the screen is removed. , the rest of the people can only watch. For the front door protection screen, the protection screen can only be pulled out by force, and the vibration is too large. Manpower and physical energy consumption of personnel are large, and poor cooperation may easily cause personal injury at work
Method used
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[0007] The embodiment is described in detail in conjunction with the above drawings. Two traction hooks 2 are installed at the bottom of the relay protection screen 1, and a chain hoist 3 is installed at the end of the traction hook 2. There is a hanging ring 4 on the chain hoist 3 and is fixed in the cable ditch. The jack 6 is fixed on the square log 8 in the cable ditch 7 on the square log 5 in the 7th mile. When the protective screen is to be removed, the operator pulls the chain hoist 3, supported by the cable ditch 7, and the jack 6 works to withstand the square log. 5. The hanging ring is stressed at the same time and the relay protection screen to be removed is withdrawn smoothly through the traction hook.
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The invention discloses a dismounting device of a front-opening protection screen, in particular provides a dismounting device of a free-manpower little-vibration front-opening protection screen practically designed on site. The dismounting device of the front-opening protection screen comprises a relay protection screen and a cable duct, wherein two traction hangers are mounted at the bottom of the relay protection screen; a chain block is mounted at tail ends of either traction hanger and provided with a hanging ring fixed in square lumber of the cable duct; and the bottom of a jack is fixedon the square lumber of the cable duct. The invention has the advantages that the dismounting device effectively controls the influence of great vibration caused by the protection screen entering orexiting an original position, is simple and safe for a staff to operate with high efficiency and effectively lowers danger in the dismounting process of the front-opening protection screen.
Description
Technical field: [0001] The invention relates to an installation mechanism, which is especially suitable for removing the protective screen of a front opening door. Background technique: [0002] Because the front door protection screen has the advantages of saving space and occupying a small area, it is widely used, but there are the following problems in the process of replacing the protection screen. First, the personnel working area is small, mainly because the protection screen is behind the screen in the protection chamber and The wall of the small room is connected, and the left and right are protective screens. The operators can only work in a limited range in front of the protective screen. When the screen is removed, only a few people have a working area, and the rest can only watch. Forced to pull out the protective screen by manpower, the vibration is too large, uneven force may easily cause the protective screen to tilt, and cause a short circuit on the small bu...
Claims
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Inventor 沈黎明杨忠礼李家鹏李娜任友新张巍
Owner XINXIANG POWER SUPPLY COMPANY STATE GRID HENAN ELECTRIC POWER