She came from ancient times. She is the landmark of Lingnan in the Ming Dynasty. She contains the temperament of Chinese classical beauty. Today, she exudes a charming glory at night; she is the Chigang Tower standing on the banks of the Pearl River.
Located in Xinshitou, southeast of the Guangzhou Bridge, Chigang Tower is one of the existing ancient towers in downtown Guangzhou. It is located in Chigang, hence the name. Built in the forty-seventh year of Ming Wanli (1619), it is the third â€œfengshui pagodaâ€ built after the Pazhou Tower and the Lotus Tower. Pazhou Tower is located in the southeast of Guangzhou City, 40, the Lotus Tower is located in the southeast of the city, 80, and the Chigang Tower is located in the southeast of the city, which constitutes the â€œZhujiang Three Towersâ€ â€‹â€‹of â€œLock Two Riversâ€ and â€œBaohaikouâ€. . Therefore, the tower is towering and echoes with the neighboring Pazhou Tower in the east, becoming the Fengshui Twin Tower of the Pearl River via the Guangzhou Sea.
In 2010, Guangzhou ushered in the highly anticipated Asian Games event. In order to cooperate with Guangzhou's nightscape lighting project, the Chigang Tower nightscape lighting project was listed as one of the key points.
The nightscape lighting design of Chigang Tower is a former case in Guangzhou. Because Chigang Tower is an immovable city-level cultural relic, the design team is faced with fire prevention, lightning protection, waterproof, load bearing, structure, wind resistance and so on. The problem, lighting design must be fully considered, all design solutions must be guaranteed to be established on the basis of the security of the full text. Our design team faced many challenges, so we decided to set up a task force to conduct a comprehensive analysis of the tower body and its structure, and solve all aspects of the problem in groups.
Electric dc motors were the first type widely used, since they could be powered from existing direct-current lighting power distribution systems. A electric Dc Motor's speed can be controlled over a wide range, using either a variable supply voltage or by changing the strength of current in its field windings. Small electric dc motor are used in tools, toys, and appliances. The universal motor can operate on direct current but is a lightweight motor used for portable power tools and appliances. Larger electric dc motor are used in propulsion of electric vehicles, elevator and hoists, or in drives for steel rolling mills.
Areas of application: the Electric Dc Motor rotor part of the armature iron core, armature, commutator, such as equipment, electric dc motor is suitable for most electronic products, such as electric screwdriver, laser, smart home, gas valve, etc
Method of use: the best stable in horizontal plane, installed on theelectric dc motor output shaft parts, cannot use a hammer to knock, knock prone to press into the electric dc motor drive, may cause damage to internal components, and cannot be used in the case of blocked.
Operating temperature range:
Electric dc motor should be used at a temperature of -10~60â„ƒ.
The figures stated in the catalog specifications are based on use at ordinary room temperature catalog specifications re based on use at ordinary room temperature (approximately20~25â„ƒ.
If a electric dc motor is used outside the prescribed temperature range,the grease on the gearhead area will become unable to function normally and the motor will become unable to start.Depending on the temperature conditions ,it may be possible to deal with them by changing the grease of the motor's parts.Please feel free to consult with us about this.
Storage temperature range:
Electric dc motor should be stored ta a temperature of -15~65â„ƒ.
In case of storage outside this range,the grease on the gearhead area will become unable to function normally and the motor will become unable to start.
The longevity of geared motors is greatly affected by the load conditions , the mode of operation,the environment of use ,etc.Therefore,it is necessary to check the conditions under which the product will actually be used .The following conditions will have a negative effect on longevity.Please consult with us should any of them apply.
â—Use with a load that exceeds the rated torque
â—Momentary reversals of turning direction
â—Long-term continuous operation
â—Forced turning using the output shaft
â—Use in which the permitted overhang load or the permitted thrust load is exceeded
â—A pulse drive ,e.g.,a short break,counter electromotive force,PWM control
â—Use of a voltage that is nonstandard as regards the rated voltage
â—Use outside the prescribed temperature or relative-humidity range,or in a special environment.
â—Please consult with us about these or any other conditions of use that may apply,so that we can be sure that you select the most appropriate model.
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