Below, we give a brief introduction for several existing motor technology.
Series DC motor
This is the oldest and most traditional motors. Current is supplied to the battery and turn dry and carbon brushes spread through the stator. This approach has two drawbacks: All the current must be sent via carbon brushes, carbon brushes performance depends on the physical size and wear. Most importantly, it limits the play braking performance. In addition, the motor carbon brushes as wearing parts must be replaced periodically, otherwise it will greatly affect the motor life. With this in mind, many manufacturers are configured to detect wear and tear on the truck and issued a warning device, the device increases the cost of the truck.
All motors are fever, but in the DC motor, the motor heat is mainly produced in the interior parts, so most of the DC motor will be equipped with a fan for cooling.
He shunt motor
This is a more advanced DC motor, the stator and armature, respectively the energy input. Motor in series with the same, this technology has been applied for a long time. The new technology uses separate excitation and the excitation field and armature, the performance of the motor control is much better than the series motor. Such a motor is often called four-quadrant motor, since it can travel in both directions around the brake. However, motor carbon brushes defect still exists.
Three-phase AC motor
Technically speaking, this is the most simple structure of an electric motor. The principle is a three-phase alternating current delivered to the fixed coil, a voltage is generated on the rotor rotating magnetic field induction shorted. AC motor no brushes, a DC motor is generally no limit on the maximum current terms, this means that the motor can be obtained in actual use can be born more and larger brake torque, then faster speed.
AC motor, the heat occurs mainly in the motor housing part of stator coils for cooling and heat dissipation. If desired, the rotor can be sealed. AC motors do not require periodic replacement of wearing parts, at the same time, it is more than a DC motor efficiency, durability, and less expensive.
As mentioned earlier, the presence of equipment such as 2 Ton Diesel Forklift Truck battery and AC technology are two problems: low system voltage of 80V and the corresponding high current; energy loss when switching AC and DC.
Forklift industrial handling vehicles, refers to a variety of pieces of pallet handling wheeled vehicle loading and unloading, stacking and short-distance transport operations. International Organization for Standardization ISO / TC110 called industrial vehicles. Commonly used in warehousing and transport large objects, usually fuel or battery-powered machines.
2014年12月20日星期六
2014年11月9日星期日
electric forklift trucks in the purchase should pay attention to what matters
The so-called electric forklifts is electrically powered handling equipment, the most critical component is the battery, there are many other components. Today, rising electric forklift range of applications, the majority of users. However, for a line lay terms, Chinese rough terrain forklift buy a good electric forklift is not an easy task. Today, the market there are many brands of electric forklifts, some foreign brands to enter the domestic market, in numerous buildings of electric forklift brands, users should be how to choose? How can I buy a really trusted, cost-effective products? Here Xiaobian introduce electric forklift purchase points.
First of all, rough terrain forklift safety pay attention to the brand. Brand is synonymous with strength, brand manufacturers through strength after years of hard work and accumulation accumulation and display. Under the price gap is not the case, we should try to choose big brands, big brands relatively more secure, both in terms of product quality and after-sales service.
Secondly, a clear understanding of the electric forklift factory specifications and parameters and alert some deceptive word games. For example, some manufacturers in the factory manual annotation, you can use electric forklifts n years, in fact, this is only theoretical data, and is not under the premise of continuous work....
First of all, rough terrain forklift safety pay attention to the brand. Brand is synonymous with strength, brand manufacturers through strength after years of hard work and accumulation accumulation and display. Under the price gap is not the case, we should try to choose big brands, big brands relatively more secure, both in terms of product quality and after-sales service.
Secondly, a clear understanding of the electric forklift factory specifications and parameters and alert some deceptive word games. For example, some manufacturers in the factory manual annotation, you can use electric forklifts n years, in fact, this is only theoretical data, and is not under the premise of continuous work....
2014年9月25日星期四
Diesel Forklift Maintenance off road rough terrain forklift
Must adhere to the principle of prevention,All Terrain Forklift maintenance usually will be in the end, Dieselforklift can effectively prevent the occurrence of the problem before forklift truck maintenance. So to maintenance institutionalized, standardized and scientific efforts to improve the efficient use of forklift trucks. Maintenance divided run-in period and maintenance, forklift routine maintenance,rough terrain forklift safety seasonal maintenance, storage maintenance and regular care and other five. Today with the running of maintenance based.
Forklift new factory or overhauled within the time prescribed running-job use, known as forklifts run-in period. Internal combustion forklifts run-in period of work is characterized by: Parts machined surface is rough, poor lubrication, increased wear, easy to loose fasteners, provisions must be run-in period for maintenance and use in accordance with the internal combustion forklifts.
Forklift new factory or overhauled within the time prescribed running-job use, known as forklifts run-in period. Internal combustion forklifts run-in period of work is characterized by: Parts machined surface is rough, poor lubrication, increased wear, easy to loose fasteners, provisions must be run-in period for maintenance and use in accordance with the internal combustion forklifts.
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