What is the floor spring? What is the distinguishing feature of this kind of spring?

What is the floor spring? What is the distinguishing feature of this kind of spring? , gave you talk about the following spring manufacturer in spring is also a kind of hydraulic type door closers, is merely the clamping play yellow device is worm gear and worm not rack. Because of the worm and worm wheel can be positive and negative rotation, oriented to double open the door, and therefore to spring can only to unilateral open the door and door closers. Floor spring technical key is at the bottom of the main shaft bearing load, its decision on the spring load level. Due to double close to spring to bearing door open pages of net weight, a door closers, door pages of net weight to pick up the fundamental effect of floor spring. Door width and pressure of floor spring specifications is the key. From the perspective of making observations, floor spring structure play yellow was reduced levels of worm and worm wheel is smaller than rack drive system of door closers, floor spring closed shop lever is short, so the quality of the floor spring the sense of attachment to the overall design and production and processing precision. In addition, because of the close double doors along door leaf plan of spring there are a lot of interaction force, so low in spring and high-end floor spring could the difference is quite big. Spring is equipped with shaft and the foundation of the earth's axis ( Or foot) 。 Shaft is in the upper connecting door frame and door leaf * accessories, by a fixed on the door leaf can adjust the plug type of land use bolt axis and a stationary of coupling in the door leaf. Shaft axis can apply basically all wood, steel, aluminum alloy doors and Windows and the application of glass door clamp frameless glass door. The installation of floor spring precision is very large for its useful harm. Due to spring the end of life is the oil, if the pivot shaft and floor spring spindle bearings on-line not rigid vertical road, door leaf fitness will be of great torque spring, expand the main shaft bearing and rolling bearing damage, after * cause oil leakage.
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