Positively-grasping steel tube clamping device

Abstract

The invention discloses a positively-grasping steel tube clamping device which is applied to a transport vehicle. The positively-grasping steel tube clamping device comprises a base and a clamping device, wherein the base is horizontally and fixedly arranged on the transport vehicle and the clamping device is used for assembling, disassembling and clamping a steel tube; the clamping device comprises a positively-graphing clamp mechanism, a main arm, a push rod, an upper main arm oil cylinder, a lower main arm oil cylinder and a leveling oil cylinder. The positively-grasping clamp mechanism of the positively-grasping steel tube clamping device is used for clamping the steel tube by adopting a positively-fixed clamp and a movable clamp, so that the flexibility and the high efficiency of clamping operation of the steel tube can be ensured; during a transport state, the steel tube is lift to the transport position, so that the transport stability under complicate road conditions can be ensured; each driving oil cylinder is provided with a hydraulic locking valve, so that the transport safety can be effectively ensured.

Description

technical field [0001] The invention relates to a vehicle-mounted device for loading, unloading and clamping steel pipes, which is mainly used for clamping steel pipes for natural gas and oil pipelines under complex road conditions, so as to improve the transportation efficiency of steel pipes. Background technique [0002] In the field of engineering construction, it is often necessary to transport steel pipes. In the prior art, equipment such as pipelayers is often used to transport steel pipes. Most of these equipment use flexible pipe hanging devices, such as fixing steel pipes on the pipelayer with fastening belts. The fixed form on the boom, due to the unstable driving state when transporting on mountain roads such as mountains and hills, causes the hoisted steel pipes to be in a swinging state all the time. If the swinging range is large, it will generate a large force on the pipe laying vehicle and affect the layout. The walking of the pipe truck may even cause the p...

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Problems solved by technology

[0002] In the field of engineering construction, it is often necessary to transport steel pipes. In the prior art, equipment such as pipelayers is often used to transport steel pipes. Most of these equipment use flexible pipe hanging devices, such as fixing steel pipes on the pipelayer with fastening belts. The fixed form on the boom, due to the unstable driving state when transporting on mountain roads such as mountains and hills, causes the hoisted steel pipes to be in a swinging state all the time. If the swinging range is large, it will generate a large force on the pipe laying vehicle and affect the layout. The walking of the pipe truck may even cause the pipe laying truck to overturn in severe cases. Therefore, the hoisting method for steel pipes adopted in the prior art has low safety, low efficiency, inflexible operation, and is not convenient for use in mountains, hills, and swamps.

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