Tower crane hoisting RCV slewing controller

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1 Application

  RCV slewing controller is a tower crane hoisting slewing controller device combined of three-phase AC variable voltage control and eddy current speed control.

 After connection with the vortex torque motor and reduction box,through the potentiometer voltage instruction on the operation panel,to control the thyristor trigger conduction abgle of three-phase AC current and eddy current, so that control the rotation speed of eddy current torque motor,realize the smooth start,operation and stop of the tower crane slewing system.

2 Structure characteristic

 

(1) Application environment condition

    working temperature : -5  °C~ 40  °C

    relitive humidity : 50%( when the temperature is 40  °C)

                                  maximum 90% (when the temperature is 20  °C)

(2) Power grid quality :

     voltage continuously fluctuate no more  than  ±10%

 

3 Technical parameter

Rated voltage

50HZ,380V three-phase voltage

50HZ,AC48V one-phase voltage

Output voltage

three-phase output voltage AC 0~380V

eddy current voltage DC 0~20V

Output current three-phase output current by  optional:106A;162A;273A



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Q:What are the sectors of machine building and parts processing?
1., industry generally refers to its production of similar products, or with the same process, or to provide similar labor services division of economic activities, categories.
Q:Building materials, equipment, components and fittings products must have "three certificates" is what cards?
Product qualification certificate means the qualified certificate, qualified label or qualified seal issued by the manufacturer to indicate the quality of the products manufactured by the factory and qualified on the package of the product or product. This is the producer's guarantee of the quality of its products, and also the obligation of a product to be stipulated by the law.
Q:What functions should be achieved in mechanical structure design?
Mechanical structure design plays an important role in mechanical design. This chapter mainly discusses the characteristics, steps and mode of thinking of mechanical structure design. The working principle and design requirements of the machine assembly is a major factor in determining the structure and shape of the parts, followed by the selection of materials, manufacturing process requirements, which has the advantages of good manufacturability (processing and assembly). In addition, the perfection of the structure and shape of the parts has a great influence on the strength and stiffness.
Q:What kind of electrical equipment do you have? What are the main components of each device?
Electrical equipment, electrical parts, electrical equipment, electrical components: mainly refers to other construction equipment matching, power driven, electrical heating, electrical lighting, and other direct consumption of electricity and into other parts of energy. Such as: motor and electric heater and start control equipment, decorative lighting lamps and the switch socket, television communication and intelligent engineering for power supply and transformation or environmental protection dust and kitchen fume and other special DC power supply etc.
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(3) equipped with fittings, installation type air switch and air shower room installed in the furnace. (2) all kinds of vehicle tracks, transmitters, differential pressure and buttons are all materials other than the equipment body. (3) rotating filter network circulating water system for equipment, induction phase shifter, manhole and other various products embedded parts, clean bench, meter, scientific research and other functions of the machine, and pipeline safety device, railing, peep hole, ventilation air heater (1):
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Q:What are the world famous mechanical equipment exhibition?
1, the German BMW Exhibition (BAUMA) sponsored by: Messe M nchen GmbH, held every three years, has held 30 sessions, the thirty-first will be in April 2016 11-17 in the German city of Munich exhibition centre. The German international engineering machinery, building materials machinery, mining machinery, construction vehicles and Equipment Expo is the world's largest and most influential international engineering machinery, building materials machinery, mining machinery industry exhibition, every three years regularly held in Munich in germany. The fair combines science and technology, trade, information and technical cooperation
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Hefei construction workers training _ security technology to prevent accidents: prevent the basic starting point of safety accidents is to take measures to restrict energy and dangerous material, to prevent the accidental release. Common safety techniques for preventing accidents are eliminating dangerous sources, limiting energy or dangerous substances, isolating and so on.
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This depends on the erection of the height of the general 3 steps and within 5-6 yuan a meter, assuming the erection of 4.5 meters high, 22.5-27 yuan a square. This is calculated in accordance with single-layer, the higher the more expensive, 9 meters in 65 yuan or so square. In accordance with the establishment of meters, in accordance with the erection of the volume of the calculation.

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