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Main: world-renowned brand PLC, DCS system spare parts module〗 〖1〗 Allen-Bradley (USA AB) series products》
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DANGER This manual and the “danger†with “warning sign†on the inverter mean that if you do not comply with the relevant requirements and do not take corresponding measures, it will result in death or serious personal injury.
Warning This manual and the “warning†with “warning signs†on the inverter mean that if you do not comply with the relevant requirements and do not take corresponding measures, there is a potential risk of death or serious personal injury.
CAUTION This manual and the “Caution†on the inverter with the “warning sign†mean that if you do not comply with the relevant requirements and do not take corresponding measures, there is a potential risk of causing minor or moderate personal injury.
CAUTION This manual and the “Caution†without “marker†on the inverter mean that if you do not comply with the relevant requirements and do not take corresponding measures, there is a potential risk of property damage.
Tips The “tips†in this manual mean that if the user does not pay attention to the prompted question, undesired results or states may occur.
Description The “Explanation†in this manual indicates important information about the product. The part in bold in the manual is a problem to pay special attention to.
Certified personnel The so-called “certified personnel†in this manual and the inverter's logo means that the personnel working on this equipment must be familiar with the installation, commissioning, and operational steps and requirements of the equipment and can avoid the production. Various emergencies emerged.
They must also meet the following conditions:
1. Specially trained and qualified exams, the circuit and equipment can be powered, powered off, cleaned, grounded, and wired in a variety of operations, as required by the routine and the safe operating procedures specified in this manual.
2. Trained to properly maintain and use protective equipment in accordance with the routine and the safe operating procedures specified in this manual.
3. Have been trained in first aid.
̈ PE-protective grounding through the grounding conductor. The cross-section of the grounding conductor should ensure that the voltage at the grounding point does not exceed 50 volts when the PE grounding point is shorted to the grounding strap. Typically, this point is used to ground the frequency converter.
̈ - Grounding point, the reference voltage can reach the same value as the ground voltage. Typically, this point is used to ground the motor.
Only for specified application areas The frequency converter can only be used in the application areas specified in the manual and can only be used with devices and components that are recommended and approved by Siemens.
Safety instructions The following "warnings," "cautions," and "cueings" are proposed for your safety and are a measure taken to prevent damage to the equipment or its connected parts. When dealing with MICROMASTER 440 inverter related issues, it is common to refer to the “warningâ€, “caution†and “cue†listed in this section. They are divided into the following categories: regular, related to transportation and storage,
Commissioning, operation, maintenance, and disassembly and waste disposal.
Special "warnings", "attentions" and "hints": Applicable to special operations, placed at the beginning of the relevant section, and repeated or supplemented where needed in the section.
Please read these "warnings", "cautions" and "cueings" carefully as they provide you with personal safety protection and help to extend the life of the MICROMASTER 440 frequency converter and the equipment connected to it.
General warnings ̈ The device carries dangerous voltages and it controls potentially dangerous rotating parts. If you do not follow the “warning†rules or do not follow the instructions in this manual, it may result in death, severe personal injury or major property damage.
̈ Only qualified and qualified personnel are allowed to operate the equipment. Before using the equipment, familiarize yourself with all the safety instructions in this manual and the regulations on installation, operation, and maintenance. Proper handling and loading and unloading, in-place installation and operation and maintenance are the reliable guarantee for the safe and successful operation of this equipment.
̈ Pay attention to the danger of electric shock. Even if the power supply has been cut off, the DC link capacitors of the inverter still carry dangerous voltage.
Therefore, it is not allowed to open the device until the power is turned off for 5 minutes.
é¢å®š Rated power in “horsepower†is based on Siemens 1LA motors and is only indicative; they are not necessarily consistent with UL or NEMA rated power in horsepower.
Note ̈ Prevent children and the public from coming into contact with or approaching this device!
̈ This device can only be used in accordance with the manufacturer's intended use. Unauthorized modification or use of spare parts not sold or recommended by the manufacturer of this device may result in fire, electric shock and other injuries.
Tips ̈ Please place this “Manual†near the inverter equipment and find it easy to find, so that all users can use it conveniently.
进行 When measuring or testing on a live, powered device, the safety regulations VBG4.0 must be observed.
In particular, the stipulations in section §8 on “Permissible safety distance when working on live partsâ€. In practice, appropriate electronic appliances should be used.
̈ Before installing and commissioning the drive, please be sure to read these safety rules and warnings carefully, as well as all the warning signs attached to the device. Make sure the warning sign is placed in a prominent place and replace the sign that has fallen off or damaged.
Warnings relating to transport and storage æ£ç¡® Proper transport, storage, seating and installation, as well as careful operation and maintenance are essential for the normal and safe operation of the frequency converter.
ATTENTION ̈ Ensure that the frequency converter is not subject to physical shock and vibration during transportation and storage. It must also be ensured that it is not exposed to rain and places where the ambient temperature is too high (see Table 7-1 in this manual).
Warnings concerning commissioning ̈ Unqualified personnel working on the frequency converter's devices/systems or failing to observe the relevant provisions in the "Warning" may cause serious personal injury or substantial property damage. Only trained and qualified personnel trained in the design, installation, commissioning and operation of the equipment are allowed to work on the equipment/system of the equipment.
̈ The input power cord only allows permanent fastening. The equipment must be grounded (according to IEC 536 Class 1, NEC and other applicable standards).
̈ If residual current protector (RCD) is used, it must be type B RCD. The equipment is powered by a three-phase power supply and is equipped with
Never use an earth leakage circuit breaker ELCB (Earth Leakage Circuit-Breaker -
̈ Even if the inverter is inoperative, the following terminals may still carry hazardous voltage:
- Power terminals L/L1, N/L2, L3 or U1/L1, V1/L2, W1/L3
- Connect the motor terminals U, V, W or U2/T1, V2/T2, W2/T3
- and terminals DC+/B+, DC-, B-, DC/R+ or C/L+, D/L-
̈ This device is not to be used as an 'emergency parking mechanism' (see EN 60204, 9.2.5.4)
Note that the power cable connected to the drive, the motor cable and the control cable must be connected as shown in Figure 2-13 of this manual to avoid inductive and capacitive interference due to the operation of the drive.
Warning about operation ̈ The MICROMASTER drive operates at high voltage.
å±é™© When the electrical equipment operates, dangerous voltages are inevitably present on some parts of the equipment.
̈ According to the requirements of EN60204IEC204 (VDE0113), "emergency shutdown equipment" must be controllable in all operating modes of the control equipment. No matter how the emergency stop device is stopped, it cannot cause uncontrollable or unexpected restart.
̈ No matter where the fault occurs in the control equipment, it may cause serious equipment damage or even serious personal injury (ie there is a potential dangerous fault). Therefore, additional external precautions must be taken or installed separately. Devices that ensure safe operation, even in the event of a fault (for example, installing a separate current-limiting switch,
Mechanical chain, etc.)
一定 After input power interruption and power on again, certain parameter settings may cause the inverter to restart automatically.
̈ In order to ensure that the overload protection of the motor can operate correctly, the motor parameters entered into the inverter must exactly match the motor actually used.
̈ This equipment can provide motor overload protection inside the inverter in accordance with the requirements of UL508C Section 42. according to
P0610 (access level) and P0335, I2t protection functions are entered by default. The overload protection function of the motor can also be implemented via a digital input using an external PTC (by default, this function is disabled by P0601).
̈ This equipment is suitable for places where the circuit symmetry capacity is not more than 10,000 ampere (root mean square), with H or K
For fuse protection (see table in Chapter 7 of this manual), the maximum voltage is 230V/460V/575V.
̈ This device is not to be used as an 'emergency parking mechanism' (see EN 60204, 9.2.5.4)
Warnings concerning the repair 设备 Maintenance of the device can only be carried out by Siemens Service Departments, authorized service centers of Siemens, or certified and authorized personnel, who should be thoroughly familiar with all warnings and operating procedures presented in this manual.
̈ Any defective parts and components must be replaced with the appropriate spare parts.
一定 Be sure to disconnect the power before turning on the equipment for servicing.
Notes on disassembly and waste disposal ̈ The frequency converter's packaging is reusable. Please keep the box for future use or return it to the manufacturer.
易 Easy-to-remove screws and quick connectors make it easy to disassemble parts of the equipment. You can recycle these disassembled parts and dispose of them according to local authorities' requirements or return them to the manufacturer.
2AX+A5 01Pc
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BENTLY NEVADA
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3500/50 PWA 133388-02 01 PCS
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1771-IGD
Concrete mixing truck
Mixing concrete truck mixer truck, cement mixer, concrete mixer) used to transport building with concrete special truck made in China; because of its shape, often referred to as escargot car. This type of truck mounted on a drum type mixer to carry concrete after mixing. In the course of transportation, the mixing tube will always be kept to ensure that the concrete will not be solidified. After transporting the concrete, it is usually the water to flush the mixing drum, to prevent the hardening of concrete occupied space, so that the volume of the mixing barrel is less and less.
CLW GROUP TRUCK Concrete mixing truck Form
By the automobile chassis, mixing drum, transmission system, water supply device, the full power of the power take-off, before and after the mixing frame, reducer, hydraulic transmission system, the import and export system, control mechanism, and other parts of the composition. Due to technical bottlenecks, the use of domestic large domestic mixer tank volume 3M no -8m no, more than 8m no volume of the big four most for imported parts.
Mixer: second class chassis, transmission system, hydraulic system, a machine frame, a stirring tank, feeding device, water supply system, control system and a human ladder etc. part import and. The front end of the mixing tank and the speed reducer are connected and arranged on the front end of the machine frame, and the rear end is supported by two supporting wheels which are arranged on the back end of the machine frame.
CLW GROUP TRUCK Concrete mixing truck Special mechanism
Overview
CLW GROUP TRUCK Concrete mixing truck The special mechanism mainly comprises a force taking device, a front and back support bracket, a speed reducer, a hydraulic system, a mixing drum, a control mechanism, a cleaning system, etc.. The working principle of the device is that the power of the automobile chassis is taken out by the force taking device, and the variable displacement pump of the hydraulic system is driven.
Concrete mixing truck
The mechanical energy can be converted to the hydraulic energy to be transmitted to the quantitative motor, the motor can drive the speed reducer, and the stirring device is driven by the speed reducer to mix the concrete.
Force taking device
Domestic concrete mixing truck using the main engine to take power mode. Take the role of power plant is through the manipulation of power switch will remove the engine power, the mixing drum driven by hydraulic system, stir shake tube into the material and transport processes in positive rotation, to feed and the concrete mixing, discharging reverse rotation, in work after the end of the cut and the power of the engine is connected.
CLW GROUP TRUCK Concrete mixing truck Hydraulic system
Will the force taking device removed engine power (usually rear full function take force device), transformed into hydraulic energy (displacement and pressure), and the motor output to machine can rotate speed and torque), mixing drum rotation to provide power.
Reducer
After the motor output of the hydraulic system is slowed down, the output of the motor is transmitted to the mixing drum.
CLW GROUP TRUCK Concrete mixing truck Control mechanism
A. control the rotation direction of the mixing tube, so that in the feed and transport process forward rotation, the material when the reverse rotation.
B. control the speed of mixing drum.
Stirring device
It is mainly composed of mixing drum and its auxiliary supporting parts. The mixing drum is a concrete loading container, which is made of high-quality wear-resistant thin steel plate, in order to be able to automatically loading and unloading of concrete, and the inner wall of the spiral blade is welded with a special shape. When rotating concrete along the blade spiral direction, by mixing and stirring constantly upgrading and turning process. During feeding and transportation, the mixing drum is rotating, the concrete is moving in the direction of the blade, and the discharging time, the mixing barrel is inverted, and the concrete is discharged outwards along the blade. The rotation of the mixing drum is guaranteed by the hydraulic drive device. Loading capacity of 3 ~ 6 cubic meters. Concrete mixing transport vehicle generally use by the motor through a power output shaft drives the hydraulic pump, again by the high-pressure oil drive hydraulic motor driven mixing drum, loading amount of 9 ~ 12 cubic is by the vehicle auxiliary diesel engine driven hydraulic pump is driven by a hydraulic motor. Blade is the main part of the mixing device, damage or serious wear will lead to uneven mixing of concrete. In addition, the blade angle if the design is not reasonable, will make the concrete segregation.
CLW GROUP TRUCK Concrete mixing truck Cleaning system
The main function of cleaning system is to clean the mixing barrel, sometimes also used for the transportation of dry mixing. The cleaning system also has a cooling effect on the hydraulic system.
Sealing device
Full closed device by rotary sealing technology, sealing the mixing car import and export, to solve the traditional mixer water evaporation, segregation of mortar and concrete material scattered and traffic safety.
Fully closed
CLW GROUP TRUCK Concrete mixing truck Working principle
Power by the second class chassis power from power output through a transmission shaft to transmit power to the hydraulic pump, hydraulic pump produces hydraulic can spread through an oil pipe of the hydraulic motor, hydraulic motor to hydraulic pressure can be transformed into kinetic energy and through the speed reducer deceleration and increase torque transfer into mixing tank, by adjusting the (dual role variables) hydraulic pump servo handle angle so as to realize the stirring tank is the size of the rotation direction and speed, to achieve concrete filling, mixing, agitation, material and other operations.
CLW GROUP TRUCK Concrete mixing truck Variety classification
Dongfeng 140 concrete mixer, Dongfeng 145 concrete mixer truck, Dongfeng 153 concrete mixer truck, Dongfeng Tianlong concrete mixer truck, Hercules Dongfeng small Concrete mixer truck, FAW concrete mixer truck, Steyr concrete mixer truck, SHACMAN Delong concrete mixer truck, mixer truck Auman, Hongyan IVECO concrete mixer truck, Japan Isuzu concrete mixer.
CLW GROUP TRUCK Concrete mixing truck maintenance and repair
CLW GROUP TRUCK Concrete mixing truck Overview
Concrete mixing transport vehicle as transport car, in maintenance and repair must be in accordance with the provisions of the Ministry of communications in 1990 13 orders, the implementation of the "regular testing, forced maintenance, depending on the feeling of repair" maintenance system. In this premise, combined with the actual situation of concrete mixing truck, do a good job of maintenance and repair. In the daily maintenance, concrete mixing truck in addition to the conventional engine, chassis and other parts of the car maintenance, but also must do the following maintenance work.
Concrete Mixer Truck,Cement Mixer Truck,Electric Concrete Mixer,Concrete Pump Mixer Truck
CLW GROUP TRUCK , https://www.clwgrouptruck.net