Water-cooled cable with spring core for intermediate frequency furnace

Abstract

The utility model discloses a water-cooled cable with a spring core for an intermediate frequency furnace, which comprises the spring core, an insulating rubber hose, copper stranded wires, a special copper sleeve, a copper screw cap and a fireproof silica gel sleeve, the spring core is positioned in the center of the insulating rubber hose, the copper stranded wires are uniformly distributed around the spring core, and the copper stranded wires and the spring core are welded with a special copper joint. The insulating rubber hose and the special copper connector are fastened and sealed through a prefabricated pipe clamp, one end of the special copper connector is sleeved with a red copper pipe, one end of the red copper pipe is provided with a special copper sleeve, the outer side of the copper sleeve is connected with a copper nut, and the outer layer of the insulating rubber hose is wrapped with a high-temperature-resistant fireproof silica gel sleeve. By adopting the structural design with the spring core, the copper stranded wires can be uniformly distributed around the spring core, and water can pass through the center and the periphery of the spring core, so that the water flow is ensured, and the cooling effect of the copper stranded wires is greatly enhanced; and the high-temperature-resistant fireproof silica gel sleeve wraps the outer layer, so that the service life of the cable is further prolonged.

Description

Technical Field

[0001] The utility model relates to the field of cables, in particular to a water-cooled cable for a medium frequency furnace with a spring core. Background Art

[0002] A medium frequency furnace is a power supply device that converts 50HZ industrial frequency alternating current into medium frequency (300HZ to 1000HZ). It converts three-phase industrial frequency alternating current into direct current after rectification, and then converts direct current into adjustable medium frequency current to supply the medium frequency alternating current flowing through the capacitor and induction coil, generating high-density magnetic lines in the induction coil, and cutting the metal material contained in the induction coil, generating large eddy currents in the metal material. Special cables are used in medium frequency furnaces to ensure safe use, but existing cables have shortcomings. The cooling effect of copper stranded wire is low, the high temperature resistance effect is poor, and the service life of the cable is short. Utility Model Content

[0003] The utility model aims to provide a water-cooled cable for a medium frequency furnace with a spring core to solve the above technical problems.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A water-cooled cable for a medium frequency furnace with a spring core comprises a spring core, an insulating hose, a copper stranded wire, a special copper joint, a prefabricated pipe clamp, a copper tube, a special copper sleeve, a copper nut and a fireproof silicone sleeve, wherein the spring core is located in the center of the insulating hose, the copper stranded wire is evenly distributed around the spring core, the copper stranded wire and the spring core are welded to the special copper joint, the insulating hose and the special copper joint are fastened and sealed by a prefabricated pipe clamp, one end of the special copper joint is externally sleeved with a copper tube, one end of the copper tube is installed with a special copper sleeve, the outer side of the copper sleeve is connected with a copper nut, and the outer layer of the insulating hose is wrapped with a high-temperature resistant fireproof silicone sleeve.

[0006] Preferably, the copper stranded wire and the spring core are welded to the special copper joint by silver soldering, and the sealing surface of the water-cooled cable adopts a 37-degree cone surface.

[0007] Compared with the prior art, the utility model has the following advantages: the utility model can meet some special process requirements and expand the application field of water-cooled cables. The structural design with a spring core can ensure that the copper strands are evenly distributed around the spring core, and water can flow through the center and surrounding areas of the spring core, ensuring the water flow rate and greatly enhancing the cooling effect of the copper strands; the cable sealing surface adopts a 37-degree cone design, and is matched with a copper nut with UNC thread to achieve a tightening and sealing effect; the outer layer is wrapped with a high-temperature resistant fireproof silicone sleeve, which further increases the service life of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1It is a schematic diagram of the cross-sectional structure of the utility model.

[0009] In the figure: spring core 1, insulating hose 2, copper stranded wire 3, special copper joint 4, prefabricated pipe clamp 5, copper tube 6, special copper sleeve 7, copper nut 8, fireproof silicone sleeve 9. DETAILED DESCRIPTION

[0010] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0011] A water-cooled cable for a medium frequency furnace with a spring core comprises a spring core 1, an insulating hose 2, a copper stranded wire 3, a special copper joint 4, a prefabricated pipe clamp 5, a copper tube 6, a special copper sleeve 7, a copper nut 8 and a fireproof silicone sleeve 9, wherein the spring core 1 is located at the center of the insulating hose 2, the copper stranded wire 3 is evenly distributed around the spring core 1, the copper stranded wire 3 and the spring core 1 are silver-welded with the special copper joint 4, the insulating hose 2 and the special copper joint 4 are fastened and sealed with a prefabricated pipe clamp 5, one end of the special copper joint 4 is externally sleeved with a copper tube 6, one end of the copper tube 6 is installed with a special copper sleeve 7, the outer side of the copper sleeve 7 is connected with a copper nut 8, and the outer layer of the insulating hose 2 is wrapped with a high-temperature resistant fireproof silicone sleeve 9.

[0012] The utility model can meet some special process requirements and expand the application field of water-cooled cables. The structural design with spring core can ensure that the copper strands are evenly distributed around the spring core. Water can flow through the center and surrounding of the spring core, ensuring the water flow, which greatly enhances the cooling effect of the copper strands. The cable sealing surface adopts a 37-degree cone design, which is matched with a copper nut with UNC thread to achieve a tightening and sealing effect. The outer layer is wrapped with a high-temperature resistant fireproof silicone sleeve, which further increases the service life of the cable.

[0013] The above is a preferred embodiment of the present invention. For ordinary technicians in this field, according to the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and variations made to the implementation methods are still within the scope of protection of the present invention.

Claims

1. A water-cooled cable for medium frequency furnace with spring core, characterized in that: The invention comprises a spring core (1), an insulating rubber hose (2), a copper stranded wire (3), a special copper joint (4), a prefabricated pipe clamp (5), a copper tube (6), a special copper sleeve (7), a copper nut (8) and a fireproof silicone sleeve (9), wherein the spring core (1) is located at the center of the insulating rubber hose (2), the copper stranded wire (3) is evenly distributed around the spring core (1), the copper stranded wire (3) and the spring core (1) are welded to the special copper joint (4), the insulating rubber hose (2) and the special copper joint (4) are fastened and sealed by a prefabricated pipe clamp (5), one end of the special copper joint (4) is externally sleeved with a copper tube (6), one end of the copper tube (6) is installed with a special copper sleeve (7), the outer side of the copper sleeve (7) is connected with a copper nut (8), and the outer layer of the insulating rubber hose (2) is wrapped with a high temperature resistant fireproof silicone sleeve (9).

2. A water-cooled cable for medium frequency furnace with a spring core as claimed in claim 1, characterized in that: The copper stranded wire (3) and the spring core (1) are welded to the special copper joint (4) by silver welding.

3. A water-cooled cable for medium frequency furnace with spring core as claimed in claim 1, characterized in that: The sealing surface of the water-cooled cable adopts a 37-degree cone surface.

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