Year1
- 数量：
- 不限
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- 标准
. - . Installation of automatic doors
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. - . There are many types of automatic doors with different structural types, but their basic structure mainly has three parts. That is, the door body, door frame part, drive and transmission part,
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. - . The door body is the main component of the automatic door. Due to the planar and three-dimensional characteristics of various door bodies, the composition of the door body There are two methods, namely plane composition method and three-dimensional composition method.
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. - .(1) The plane composition method of the door body. The planar composition method is to create the door shape elements into a two-dimensional space according to certain rules and principles.
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. - .The basis of the plane composition method is repeated composition. There are two ways to form repetitions:
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. - .) Basic repetition. Use the same basic shape over and over in your design.
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. - .) Skeleton duplication. The horizontal and vertical skeleton units of the door body are reused in the design. The simplest and most commonly used is the square. It consists of equally spaced vertical and horizontal lines. On the basis of the square skeleton, the following changes can be made:
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. - .. Changes in width and width, and changes in the width to narrow ratio turn the square skeleton into a rectangular frame.
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. - .b. Direction change. The horizontal or vertical direction of the repeating skeleton unit is tilted, and the skeleton remains parallel.
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. - .The rows and columns move. Keep one skeleton unit in a vertical or horizontal state, and move the other unit regularly or irregularly to make the skeleton step-like.
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. - ..Skeleton, unit reflection. The direction of the skeleton can be staggered and repeated to form reflections between rows and columns. When reflecting, the edges of the skeleton must be directly parallel.
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. - .. Skeleton unit union.
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. - .3) In the door design, the repetition of basic shapes and skeletons is used to form a door structure in two-dimensional space.
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. - .Composition method
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. - ..Plane geometric shape. It consists of more than four planes, and the intersection lines of each plane are related to each other to form a space.
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. - ..Geometric surface body. It is composed of geometric surfaces. It consists of the movement of the plane of the linear edge of the geometric surface around a straight line, and its trajectory forms a curved body.
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. - .The above are the basic methods and principles for door body design. In the door body design, the above ideas should be fully utilized to configure the door body shape, door pillars and flower shapes. Avoid imbalance in the overall aesthetic effect of the door body.
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. - .Device mechanism
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. - .The driving device of the automatic door is composed of a motor and a reducer or a motor and a hydraulic system , according to the instructions of the control device, the drive device works according to the program set, driving the door to open and close. The movement from the driving device to the door body requires a transmission mechanism in the middle, and the reducer is part of the transmission mechanism. Most of the reducer and motor have been integrated into a reduction motor, which will simplify the equipment and make it easier to standardize and miniaturize it. In addition to the reducer, the transmission mechanism must be designed according to specific needs. The transmission mechanism can be gear transmission, chain transmission, or high-efficiency synchronous belt transmission.
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. - .Detection device
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. - .The controller is a control device composed of a microcomputer as the main body, which accepts detection The signal from the sensor allows the driving device to work and complete the opening and closing of the door
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