Auxiliary heat dissipation type water passing cable

Abstract

The invention discloses an auxiliary heat dissipation type water passing cable, belonging to the cable technical field, and comprises a cooling fluid, a lead tied up into bundles, an insulating layer covering the lead, and a protective sleeve. The cooling liquid is filled in the cavity between the insulating layer and the protective sleeve; the outside of the protective sleeve is provided with a flexible pipe; two ends of the flexible pipe are both communicated with the cavity of the protective sleeve through sleeve joints and are enclosed; intermediate sections of the protective sleeve and the flexible pipe are provided with clamps. According to the technical scheme, transparent flexible pipes of equal lengths are arranged outside the water passing cable side by side, and are communicated with the cavity of the water passing cable, thereby speeding up heat dissipation; in addition, operation states of the lead can be determined through simple modes of observation and touching so as to avoid hidden dangers such as cooling liquid boiling, dry burning, etc.

Description

technical field [0001] The invention belongs to the technical field of cables, and relates to a cable for transmitting large current of a spot welding machine, in particular to an auxiliary cooling type water-passing cable. Background technique [0002] Spot welding machine is a kind of resistance welding spot welding. Resistance welding is a method in which pressure is applied through electrodes after the workpieces are combined, and the resistance heat generated by the current passing through the contact surface of the joint and the adjacent area is used for welding. Since the welding machine uses resistance heat to weld, the current passing through the cable is very large during the welding process, which will inevitably lead to high temperature of the cable. In the prior art, water-passing cables are often used to reduce damage to cables caused by high temperatures in high-current equipment, so as to prolong the service life of cables. Water cables are generally compose...

AI Technical Summary

Problems solved by technology

Water cables are generally composed of three parts: electrodes, wires and outer sheath tubes. Because they are commonly used in high-current equipment such as submerged arc furnaces, intermediate frequency furnaces, and electric arc furnaces, they are often susceptible to various types of high current, water corrosion, and mechanical movement. The combination of factors will lead to the debris falling when the conductor monofilament of the water-through cable is damaged or broken to block the waterway, or cause the cable to be damaged due to dry burning without water, or the water in the cable will boil to generate steam, causing The rubber hose burst, causing personal injury accidents

Invention patent 201210190724.8 discloses a water-through cable for spot welding machines. The conductive core is formed by paired cabled conductors through the isolation layer. , A cooling water channel is left between the waterway sheath and the wire core, which overcomes the friction between the two poles of the supporting spot welding machine equipment cables in the production of vehicle engineering and some special engineering products, conductor heating, broken wires, blockage of waterways and conductors The defect of loose strands due to the tightness of the stranding of the cable does not meet the requirements

However, the solution to the problem in this technical solution focuses on using materials with higher strength and changing its traditional internal structure to avoid abrasion between the two poles and the wires, but the large current in the cable causes unsafe factors such as boiling and dry burning of the water in the waterway Still exist

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