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    Overall introduction of truck mounted crane manufacturer

  • Author: crane manufacturer
  • Source: Original
  • Release time: November 6, 2019 11:40:50
  • News browsing popularity: second
What is the meaning of straight through girder, local three-layer girder and whole body three-story girder?
What is the function of truck mounted crane girder?
The girder of the truck mounted crane is related to the soundness and durability of the structure of the truck mounted crane. The girder of the truck mounted crane is related to the bearing capacity and anti deformation capacity of the truck mounted crane, which plays a stable and reliable role in the lifting operation of the truck mounted crane. General chassis girders are mainly 200 mm, 230 mm, 250 mm, 280 mm, 300 mm thick. The girders are mainly divided into: straight through two-layer beam, local three-layer beam, and whole body three-layer beam.
 Truck mounted crane of Tianjin single bridge
What is the meaning of straight through girder, local three-layer girder and whole body three-story girder?
1. Straight through girder: it is forged by steel plant according to the requirements of chassis manufacturer, and there is no joint in the middle of girder. From front to back, a whole manganese steel, the overall structure is compact, solid and durable.
2. Local three-layer girder: due to the requirements of hoisting operation, the crane installation position adopts three-layer reinforced girder to prevent the girder from bending deformation, and the container installation position adopts the straight through double-layer girder design.
3. Full body three-layer girder: the three-layer girder with special chassis for truck crane is different from the girder of ordinary truck in material. It is made of high-quality manganese steel, which is strengthened and thickened. When the crane works, it has stronger anti torsion and load capacity.
 Dongfeng Huashen truck crane
Which models are mainly used for straight through girder, local three-layer girder and whole body three-layer girder?
1. Through double deck girder, generally used in blue brand truck mounted crane, or light truck model of less than 5 tons, with small model and small bearing capacity. The specification of blue brand truck mounted crane girder is about 230mm.
2. The local three-layer girder is widely used. The crane position adopts the three-layer beam design. 70% of the Yellow brand truck mounted cranes use this kind of girder. The size of the Yellow brand type girder is generally about 250 mm to 300 mm.
3. The three-layer through girder (outer three-layer) is mainly used in high-end vehicles or special chassis of truck mounted crane transport vehicle. The straight through beam of outer three-layer is the middle part of the longitudinal section of the girder, which ensures the relative flexibility of the girder when subjected to gravity. The specification is generally 280 / 300 (8 + 8 + 6) mm, the bearing capacity is very good;
4. Through three-layer beam (inner three-layer), the main application model Huashen T5 chassis. The longitudinal section of the inner three-layer girder is a whole straight through to the tail, and the specification is generally 300 (8 + 8 + 6) mm.
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