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Determination of Main Technical Performance Indicators of Chain Electric Hoists

releaseTime:2024-07-04 08:45:27source:Mu TiannumberOfPageViews:0

The main technical performance indicators of chain electric hoists are key parameters for evaluating their performance, safety, and applicability. The following is a detailed determination of these main technical performance indicators:

1、 Rated lifting capacity

Definition: Refers to the maximum load weight that a chain electric hoist can safely lift.

Importance: The rated lifting capacity is the first factor to consider when choosing an electric hoist, as it determines the load-bearing capacity of the hoist.

Value range: Chain electric hoists of different models and specifications have different rated lifting capacities. The common rated lifting capacity ranges from a few hundred kilograms to several tons. For example, the rated lifting capacity of the HHXG-0.5 model is 500kg, while the rated lifting capacity of the HHXG-5 model is 5000kg (refer to Article 1).

2、 Lifting height

Definition: Refers to the maximum distance that a chain electric hoist can lift the load from the lowest point to the highest point.

Importance: The lifting height determines the working range that the electric hoist can meet and is one of the key factors to consider when selecting an electric hoist.

Numerical range: The lifting height usually varies according to specific models and specifications, but the common lifting height generally ranges from a few meters to several tens of meters. For example, the lifting height of the HHXG series chain electric hoist is generally 12m or 6m (refer to Article 1). The lifting height of domestic chain electric hoists can reach 0-120 meters (refer to Article 2).

3、 Lifting speed

Definition: Refers to the rate at which a chain electric hoist lifts or lowers the load.

Importance: The lifting speed affects work efficiency and is one of the important indicators for evaluating the performance of electric hoists.

Numerical range: The lifting speed is usually measured in meters per minute (m/min), with common lifting speeds ranging from a few meters per minute to several tens of meters per minute. For example, the lifting speed of HHXG-0.5 model is 7.5m/min, while the lifting speed of HHXG-2 model is 3.75m/min (refer to Article 1). It should be noted that the lifting speed of single chain and double chain electric hoists may vary, and the speed is affected by various parameters (refer to Article 4).

4、 Power supply voltage and rated power

Power supply voltage: refers to the voltage required for the normal operation of a chain electric hoist. The common power supply voltages are 220V and 380V, and the standard configuration in China is generally 380V and 50HZ (refer to Article 5). Selection needs to be based on actual usage environment.

Rated power: refers to the power required for a chain electric hoist to operate under rated working conditions. Rated power is an important parameter for evaluating the power consumption and performance of electric hoists. Chain electric hoists of different models and specifications have different rated powers. For example, the rated power of the HHXG-0.5 model is 0.75kw, while the rated power of the HHXG-5 model is 7.5kw (refer to Article 1).

5、 Number of load chain rows

Definition: Refers to the number of load chain runs of a chain electric hoist, which determines its structural characteristics and usage.

Importance: The number of load chains affects the stability and lifting height of electric hoists.

Type: The load chain number of chain electric hoists is generally divided into two types: single speed and double speed. Compared to single chain electric hoists, double chain electric hoists usually have higher lifting capacity and more stable performance, but the lifting speed may be slower (refer to Article 4).

6、 Work level

Definition: The working level is an internationally recognized value defined based on the operating frequency and duration of an electric hoist at its rated load.

Importance: The work level reflects the durability and reliability of electric hoists, and is an important indicator for evaluating their long-term operating ability.

Classification: The classification criteria for the working level of electric hoists include multiple levels such as M1 to M8. The higher the level, the greater the workload of the motor, the better its performance, and the longer its service life (refer to Article 7).

7、 Safety performance

Overload protection: Some chain electric hoists are equipped with overload protection devices. When the load exceeds the set value, the device will automatically start to prevent equipment damage and accidents.

Limit switch: The limit switch is used to limit the lifting height and operating range of the electric hoist, ensuring its safe operation within the specified area.

Electrical control devices, such as 24V contactor control systems and operating limit switches, are used to achieve safety related functions and ease of operation.

The main equipment produced by Hebei Makita: stage electric hoist, electric chian hoistwire rope electric hoistHand chain hoist, lever hoist, pneumatic hoist and other lifting equipment    

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