QT12 series construction hoisting console, controller, joystick for tower crane

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1 Application

  QT12 series hoisting console is mainly used under AC 50 HZ / 60 HZ, below the ciruit 380 V (440V) ,to control the starting,speed,braking and steering of crane hoists.

2 Model and implication

3 Structure characteristic

  This product absorbed part of advanced structure theory from abroad during our research and develop.With its self recovery and 0 self lock device.Through the matched electronic control system realize pressure regulation,frequency conversion,PLC,AC speed regulation step and stepless ect,works safe and reliable.The box adopt engineer plastic injection moulding shape up,structure is firm and compact,looks beautiful and graceful.Turn over the panel,will realize the connection,and maintain of the console chip and electric component;Turn over the under part of the box,which is convenient for the customers to connect outside circuit with inside control circuit.

4 Technical parameter

Rated working voltage380VMaximum control point12*4
Rated working current2.5ARated operating frequency

1200/H

Application classificationAC-15Maximum control gear number5
Appointed heater current10AMachanical life3 million
Appointed insulation voltage660VElectric life1 million

5 Typical diagram circuit

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Q:How are buildings, installations and materials divided?
Provisions on the division of equipment and materials for engineering construction? [answer] the division of equipment and materials in engineering construction is directly related to the reasonable division of investment structure, budget preparation and calculation of construction output value. In order to reasonably determine the project cost, strengthen the investment in the process of construction and management, the equipment and materials in the engineering construction is unclear, especially the universal controversial common problems and put forward the principle of division of fifteen copies of "national unified installation project budget quota" of the equipment and materials are divided, the provinces, autonomous regions and municipalities directly under the central government and the relevant departments of the State Council, the Department should be combined with the local situation, formulate rules for its implementation, and report to the Ministry of construction for the record.
Q:Where are the mechanical pressurization air supply facilities set up?
The purpose of setting up a mechanical pressurization air supply smoke prevention system is to provide evacuation routes and shelters without smoke interference in the event of a fire in the building. Therefore, in the closed door, pressing position, and the fire floor must maintain a certain pressure difference, the position of the air pressure value is a relative positive pressure); at the same time, in the open part of the pressure when the door can have enough air velocity in the opening section, to effectively prevent the intrusion of flue gas, the safety of personnel ensure evacuation and refuge.
Q:Definition of large mechanical equipment?
The hoisting machinery used in bridge construction can be divided into three categories: light and small lifting equipment, bridge type crane and boom type crane. Light and small lifting equipment, such as jacks, hoists, winches, etc.. Bridge type lifting machinery, such as beam cranes, Longmen cranes and so on. Boom type cranes, such as stationary slewing cranes, tower cranes, truck cranes, tires, crawler cranes, etc..
Q:What are the main functions of construction equipment monitoring system?
This belongs to information management engineering. The control part is the "heart" and "brain" of the whole system. It is the command center to realize the function of the whole system. The control part is mainly composed of the main console (some systems also have a secondary console). The main function of the total console: video signal amplification and signal distribution, image correction and compensation, image signal and image signal (including switching or voice signals) record, cameras and auxiliary components (such as camera, PTZ, shield) control (remote control) and so on.
Q:What are the safety protection equipment, machinery and equipment, construction machinery and accessories for construction enterprises?
For Turner, fitter, main work gloves, hats, goggles for welder, etc.; there are gloves, shoes cover, goggles, insulated shoes etc.;...... ;
Q:Building materials, equipment, components and fittings products must have "three certificates" is what cards?
Three is a business license, certificate of product quality, product quality inspection certificate. Business license is the legal provisions of some industries must be licensed, and handled by the competent department of the operating permit, such as tobacco monopoly license, drug business license, business license and other dangerous chemicals.
Q:Where are the hanging baskets for the building?
It is strictly prohibited to use hanging baskets as vertical transport facilities for personnel and materials; no staff member is allowed to climb from a basket to a B basket
Q:What are the mechanical drawing software?
The 3D map only contact with SolidWords and Pro/E, Pro/E is better than Solidwords in general, but Solidwords is very simple to use, see Help tutorials you can learn to draw a three-dimensional map is not particularly complex easily to estimate a few days is enough. But any one of the two kinds of software, want to do not understand the words, expert advice is not really easy. UG and MasterCAM haven't touched much, but I've heard that it's suitable for processing stereogram.
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?
1 、 electrical equipment part of electrical equipment mainly refers to: substation and distribution of power equipment and local scattered power, lighting distribution box. Such as: dry type power transformer, high voltage and low voltage power distribution cabinet, control the use of DC cabinet (with battery), standby uninterruptible power supply cabinet, lighting distribution box, power distribution box (cabinet), power factor capacitor compensation cabinet and standby diesel generator etc.. The utility model is characterized in that the rated voltage is mostly 10KV380V/220V by the combination of independent functional electric components, and the voltage is only 24V or 12V in the control system only.

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