Components of crawler crane and their working principles. Crawler cranes are used more frequently Huai'an Crane Rental Introduce the composition of crawler crane.

Generally speaking, the crawler crane can be divided into: foundation, tower body, jacking, slewing, lifting, balance arm, boom, lifting trolley, tower top, cab, luffing, etc.

The crawler crane needs a foundation when it is installed on the ground; The tower body is a crawler crane body and also an elevated part; The jacking part enables the crawler crane to lift; The slewing is to keep the upper body of the crawler crane able to rotate horizontally; The lifting mechanism is used to lift heavy objects; The balancing boom keeps the moment balanced; The lifting boom is generally the load-bearing part of the lifting load; Trolley is used to install pulley block, steel rope and hook, and it is also a direct force bearing part; Of course, the tower top is used to keep the force balance of the boom; The cab is the place for operation; Luffing makes the trolley run along the track.

1. The foundation of fixed crawler crane must be set with reinforced concrete foundation, which must be able to bear the large load under the working state, and meet the requirements of lateral deviation, longitudinal deviation, gauge deviation and other items of crawler crane foundation.

2. Tracks shall not be directly laid on underground buildings (such as underground ditches, civil air defense and other facilities).

3. The pavement must be compacted before laying crushed stones. The crushed stone foundation of the track must be leveled and compacted, and crushed stone shall be filled between the track and timber. The rail joint must be supported by track timber and shall not be suspended. Drainage ditches shall be set on both sides or in the middle of the subgrade, and the subgrade shall be free from ponding. The thickness of the ballast layer shall not be less than 20cm (10cm above and 10cm below the sleeper); The particle size of slag is 25-60mm.

4. The track of crawler crane shall be connected with the track timber through the cushion block. One gauge tie rod is set every 6m between tracks.

5. The track of crawler crane shall be equipped with at least two sets of grounding devices. A set of grounding devices shall be added every 20m for long tracks, and the grounding resistance shall not be greater than 4 Ω.

6. The bearing capacity of subgrade soil must meet the requirements specified in the special safety construction organization design (construction scheme).

7. The limit position stopper must be set 1.5m away from the track terminal, and its height should not be less than the radius of the walking wheel.

8. Snow and ice on the track must be removed in time during winter construction. During the construction period of the crane, the track foundation shall be inspected weekly or after rain and snow, and timely adjustment shall be made if any inconformity is found.

Above is Huai'an Crane rental The composition of the crane and the requirements of the crane for the working environment are summarized.