Multi angle stroke limiter

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1 Application

DXZ-() / () series multi angle stroke limiter is a device imported a new safety protection technology from a French company PORTAN.It is suitable for AC 50 HZ,voltage 250 V and below, DC 30 V and below of the control circuit. On the bilateral control,optional position,corner traveling control and imitate sensor controller of 3 space coordinates, it has great advantages.It is widely apply to the control circuit of tower crane hoisting, port hoisting,various winch and other construction machinery or similiar mechanical.

This product with the characteristics of multiple function,small volume,large transmission ratio,high precision, easily and conveniently installation and regulation, and versatility and so on, acquired more and more widely application.

2 Model No and implication

Check the following form  for Serial numbers corresponding to the transmission ratio

serial transmission ratio12345678
transmission ratio1:131:171:461:601:781:2101:2741:960

notice: 1 nonstandard control loop can increase to 5-6

                 2 the nonstandard transmission ratio which users required should be noted after letter "F"

3 Main technical parameter

1 Limiter working environment

  ambient temperature:-40 °C~50 °C;

  relative humiduty: ≤ 90%

  altitude: ≤2500m

2 transmission ratio:

  1:13 ,  1:960,    1:453   1:660

3 repeat position accuracy

  error of slewing angle of memory can not be more than 0.005 rad (0.3 °)

4 rated voltage:

  AC: 125~250 V  ; DC: 30 V

5 rated current:

  6~10 A

6 sensor potentiometer:

  standard potentiometer 5 KΩ;

  independent linearity bottom 0.1%;

  mechanical angel: 360  °(continuously)

4 dimension and installation

5 Order instructions for users

1 the function of the model No

    according to customers' requirement ,offer the specification and quantity accurate as the examples below

 example 1: DXZ-4/6W

 that is : control loop of the limiter is 4 pcs, transmission ration is 1:210,with sensor.

 example 2: DXZ-6/F660

 that is : control loop of the limiter is 6 pcs, nonstandard, transmission ratio is 1:660, without sensor.

2  standard momery cam (2 T; 3 T) designed with delay function, if the user don't need the delay,change to instant cam switching, please apply for on the order.

3 the maximum efficient rotation of  DXZ limiter is 320  °; ( Or the number of revolutions of the input shaft rotation ratio 0.89 times that is 0.89 xi rotation) .

 example: the efficient number of revolutions of  DXZ -4/7  limiter is 0.89*274=244 rotation.  When used with external gear ratio should be considered.

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The whole circle of the triangle is welded as an angle weld, and the other is the outer circle with the same diameter as the two, so the butt joint is better to open the groove. Welding, for V type welding seam, and, technical requirements are generally, welding firm, no defects, welding smooth grinding, cleaning welding slag splash
Q:What are the principles, performances and uses of the commonly used construction machinery equipment?
1.: concrete pump principle: concrete pump driven by motor pump system, the conveying capacity of constant power control of hydraulic system of concrete pump automatic control, manual control can also be used to select the concrete delivery volume. Performance: 1. using the hydraulic system of double pump double open circuit, the main pump valve swing circuit and S circuit are separate for fault diagnosis and removal; 2. pumping hydraulic circuit adopts the main valve pilot pressure control; 3. hydraulic system has safe relief protection, while the main pumping system overpressure, oil pump automatic pressure cutting off; 4. switching circuit with constant voltage supply with the energy storage device, so as to guarantee reliable swayingforce large and have the advantages of energy saving effect; 5. pumps and valves are used continuously, the world famous brand is more reasonable and more reliable and easily realized commodity concrete transport quantity adjustment; 6. hydraulic pipeline with cone seal pipe joint sealing material; 7. pumping circuit adopts a valve block mode of high and low voltage switch, convenient, no leakage; 8. with oil and oil filter technology, foreign body into the hydraulic system. Further improve the hydraulic system reliability and component life; 9. hydraulic hose hose. Use: widely used in commercial concrete demand for large, high grade and strict quality requirements, long conveying distance of high-rise buildings, municipal construction, electric power, energy, transportation and other civil and industrial buildings, especially the construction of the narrow space more show its true colour of a hero.
Q:What are the sectors of machine building and parts processing?
Industry to classify, it is not very strict. For example, the insurance industry, mining, energy, food, hotels, real estate services industry, garment industry, advertising industry, aerospace, aviation, chemical, chemical, construction, health care, education, training, computer, metal smelting, fire, police, soldiers, accounting, beauty, body, media, publishing, wood, paper retail, wholesale, agriculture, tourism, justice, lawyers, sports, sports, arts, entertainment, medical, art, design, banking, finance, Internet, music, dance, postal, courier, transport, consulting services.
Q:What type of industry does the machinery and building accessories processing belong to?
Every industry has average tax rate, the contribution of each this argument does not exist, the industrial enterprise is nade VAT. The more value-added products you pay more.
Q:Building materials, equipment, components and fittings products must have "three certificates" is what cards?
Product quality certification, also known as product certification, internationally known as qualified certification. According to the 1991 implementation of the "people's Republic of China Quality Certification Management Regulations", the product quality certification is based on the product standard and relevant technical requirements, the certification institution confirmed by the certification and certification marks to prove that a particular product is in conformity with the relevant standards and technical requirements of the corresponding activities.
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.
Q:Where are the mechanical pressurization air supply facilities set up?
When the smoke proof staircase and antechamber antechamber, fire elevator or common antechamber parts can be opened outside the window, can use the natural ventilation, resulting in a stairwell with or common antechamber in the use of natural smoke exhaust with pressurized air supply arrangement of diversified combinations, and the two exhaust can not be shared.
Q:Construction Engineering, moving equipment and stationary equipment, respectively
2. Static equipment: reaction equipment (code R). Such as reactor, reaction kettle, decomposition pot, polymerizer, autoclave, converter, digester, steam ball, sulfonation pot, gas producer and so on. Heat exchange equipment (code H). Such as tubular waste heat boiler, heat exchanger, evaporator, condenser, cooler, heater, sterilization pot, water jacket, etc. for dyeing dryer, steamer, cooker, gas preheating. Separation equipment (code S)
Q:What is equipment manufacturing and machinery manufacturing? What's the difference between them?
At present, other countries in the world, including international organizations, have not put forward the concept of equipment manufacturing. The concept of equipment manufacturing industry is unique to our country. Its formal appearance was seen in the central economic work conference in 1998, which explicitly stated: "we must energetically develop the equipment manufacturing industry."". (central economic work conference: Economic Daily, December 10, 1998, first edition) The core of the manufacturing industry is equipment manufacturing. People do not have the same understanding of equipment manufacturing industry, and there is no consensus definition and scope definition. It is generally believed that the manufacturing sector consists of the equipment manufacturing industry and the final consumer goods manufacturing industry. Equipment manufacturing industry is the general term of the industry which provides the production technology and equipment for the simple reproduction and extended reproduction of the national economy, namely the machine manufacturing industry for producing machines".
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This book is based on the characteristics of construction electrician, in accordance with the scientific, practical and applicable principles. The content is simple, the language is easy to understand, the form is illustrated, and the system, authority, operability is strong.

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