Pipeline cutting equipment on basis of inner side wall expansion clamping principles

Abstract

The invention provides pipeline cutting equipment on the basis of inner side wall expansion clamping principles. The pipeline cutting equipment comprises a bottom plate. A first movable groove with anupward opening is formed in the bottom plate, a first movable block is arranged in the first movable groove, a first threaded through hole is formed in the first movable block, a first threaded rod is connected into the first threaded through hole in a threaded manner, and two ends of the first threaded rod are rotationally connected with two ends of the first movable groove. The pipeline cuttingequipment has the advantages that a pipeline can be cut by a cutter head after rotating by a circle, the sections of the pipeline are flat, follow-up finishing can be omitted, and the cutting efficiency and cutting effects can be effectively improved; a rotary disc can be driven by a rotary sleeve to rotate, third threaded rods which are matched with the rotary disc can approach a support column,connecting sleeves can be driven by horizontal plates and first arc plates to rotate, second arc plates can be outwardly extended, accordingly, clamping protrusions on clamping plates can be squeezedwith the inner side walls of the pipeline in a contact manner, and the pipeline can be clamped.

Description

technical field [0001] The invention relates to the technical field of pipeline processing, in particular, to a pipeline cutting device based on the expansion clamping principle of the inner side wall. Background technique [0002] A pipeline is a device used to transport gas, liquid or fluid with solid particles connected by pipes, pipe connectors and valves. Usually, after the fluid is pressurized by blowers, compressors, pumps and boilers, it flows from the high-pressure part of the pipeline to the low-pressure part, and it can also be transported by the pressure or gravity of the fluid itself. Pipes are widely used, mainly in water supply, drainage, heat supply, gas supply, long-distance transportation of oil and natural gas, agricultural irrigation, hydraulic engineering and various industrial devices. [0003] In the prior art, the cutting of pipes is done by manual hand-held cutting machines, which is completely achievable for pipes with smaller diameters; but when t...

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Problems solved by technology

[0003] In the prior art, the cutting of pipes is done by manual hand-held cutting machines, which is completely achievable for pipes with smaller diameters; but when the pipes to be cut have larger diameters, the cutting machine The blade cannot completely penetrate the entire pipe at one time, so it needs to go around the pipe to complete the cutting work. At this time, the cross-section of the pipe must be uneven, and follow-up smoothing work is required, resulting in a decrease in cutting efficiency and a poorer cutting effect. Difference

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