Rare earth high-iron aluminum alloy cable

Abstract

The utility model provides a rare earth high-iron aluminum alloy cable, and relates to the technical field of power cables. The rare earth high-ferro-aluminum alloy cable comprises a first cable and a second cable, a first rare earth high-ferro-aluminum alloy wire core is arranged on the side, close to the second cable, of the first cable, and a second rare earth high-ferro-aluminum alloy wire core is arranged on the side, close to the first cable, of the second cable. First locking devices are arranged on the outer surfaces of the first rare earth high-ferro-aluminum alloy wire core and the second rare earth high-ferro-aluminum alloy wire core, and first sealing rings are arranged between the first locking devices and the first rare earth high-ferro-aluminum alloy wire core and between the first locking devices and the second rare earth high-ferro-aluminum alloy wire core. Second locking devices are arranged on the outer surfaces of the first cable and the second cable, fasteners are arranged on the second locking devices, and the other ends of the fasteners abut against the first locking devices. The stability and the sealing performance of the cable joint can be improved, and the cable can be suitable for different environments.

Description

Technical Field

[0001] The utility model relates to the technical field of power cables, in particular to a rare earth high-iron aluminum alloy cable. Background Art

[0002] Rare earth high-iron aluminum alloy cable is a cable product with rare earth high-iron aluminum alloy as conductor, flame-retardant silane cross-linked polyethylene as insulation, and a unique self-locking armor structure.

[0003] Existing cables are usually integral, so during the installation process they sometimes need to be cut off in order to be installed in combination with the cable at the other end. However, the cut cables are not easy to install. Even after installation, the stability and sealing of the cut cables are poor, and dust, water vapor and other components are easily invaded, which not only affects the overall fire resistance and high temperature resistance of the cable, but also affects the applicability of the cable in different environments. Utility Model Content

[0004] The utility model aims to provide a rare earth high-iron aluminum alloy cable, which can improve the stability and sealing of the cable connection and make the cable suitable for different environments.

[0005] The embodiments of the present invention are implemented by the following technical solutions:

[0006] A rare earth high-speed iron aluminum alloy cable comprises a first cable and a second cable, wherein a first rare earth high-speed iron aluminum alloy wire core is arranged on a side of the first cable close to the second cable, and a second rare earth high-speed iron aluminum alloy wire core is arranged on a side of the second cable close to the first cable, a first locking device is arranged on the outer surfaces of the first rare earth high-speed iron aluminum alloy wire core and the second rare earth high-speed iron aluminum alloy wire core, a first sealing ring is arranged between the first locking device and the first rare earth high-speed iron aluminum alloy wire core and the second rare earth high-speed iron aluminum alloy wire core, a second locking device is arranged on the outer surfaces of the first cable and the second cable, a fastener is arranged on the second locking device, and the other end of the fastener abuts against the first locking device.

[0007] Furthermore, the first locking device includes a first locking half ring and a second locking half ring which are in a circular shape after being connected, and the inner side walls of the first locking half ring and the second locking half ring are both provided with a plurality of elastic columns, and the other end of the elastic column is connected to a clamping plate.

[0008] Furthermore, a limiting hole is provided on the end surface of the first locking half ring, and a limiting column is provided on the end surface of the second locking half ring, and the limiting column is inserted into the limiting hole.

[0009] Furthermore, the second locking device includes a connecting seat arranged on the outer surface of the first cable, a sliding sleeve arranged on the outer surface of the second cable, and a locking plate slidably installed in the sliding sleeve. A limiting groove is opened on the side of the connecting seat close to the second cable, and the other end of the locking plate is inserted into the limiting groove. The locking plate is fixed to the connecting seat by screws.

[0010] Furthermore, a slidable protective cover is installed in the sliding sleeve, and the protective cover is sleeved on the outer surface of the locking plate.

[0011] Furthermore, a second sealing ring is provided on the inner side of one end of the sliding sleeve close to the first cable.

[0012] Furthermore, a waterproof layer and a fire-resistant layer are sequentially arranged on the outer surface of the protective cover.

[0013] The technical solution of the embodiment of the utility model has at least the following advantages and beneficial effects:

[0014] The utility model uses a first locking device to fix and lock the connection between the first rare earth high-iron aluminum alloy wire core and the second rare earth high-iron aluminum alloy wire core, which can improve the stability of the connection between the first rare earth high-iron aluminum alloy wire core and the second rare earth high-iron aluminum alloy wire core. At the same time, the first locking device and the first sealing ring cooperate to improve the sealing of the connection between the first rare earth high-iron aluminum alloy wire core and the second rare earth high-iron aluminum alloy wire core, thereby avoiding the influence of dust, water vapor, etc. on the wire core and ensuring the quality of the cable. The second locking device is used to fix and lock the connection between the first cable and the second cable, which can improve the stability and sealing of the connection between the first cable and the second cable. The second locking device can also achieve double protection for the connection between the first rare earth high-iron aluminum alloy wire core and the second rare earth high-iron aluminum alloy wire core, thereby reducing the influence of environmental factors on the working condition of the cable, so that the cable is suitable for different environments. The first locking device and the second locking device are fixed by fasteners, which further improves the stability of the first locking device and the second locking device, improves the firmness of the cable connection, and extends the service life of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 A schematic diagram of the structure of a rare earth high-speed iron aluminum alloy cable provided in Example 1 of the utility model;

[0017] Figure 2 This is a schematic structural diagram of the first locking device provided in Example 1 of the utility model.

[0018] Icons: 1-first cable, 2-second cable, 3-first rare earth high-iron aluminum alloy wire core, 4-second rare earth high-iron aluminum alloy wire core, 5-first sealing ring, 6-first locking device, 7-connecting seat, 8-sleeve, 9-locking plate, 10-protective cover, 11-limiting groove, 12-screw, 13-fastener, 14-second sealing ring, 61-first locking half ring, 62-second locking half ring, 63-elastic column, 64-pressure plate, 611-limiting hole, 621-limiting column. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0022] In the description of the present invention, it should be noted that if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the product of the application is usually placed when used. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Example 1

[0025] like Figure 1-2 As shown, this embodiment provides a rare earth high-iron aluminum alloy cable, including a first cable 1 and a second cable 2, a first rare earth high-iron aluminum alloy wire core 3 is arranged on the side of the first cable 1 close to the second cable 2, and a second rare earth high-iron aluminum alloy wire core 4 is arranged on the side of the second cable 2 close to the first cable 1, a first locking device 6 is arranged on the outer surface of the first rare earth high-iron aluminum alloy wire core 3 and the second rare earth high-iron aluminum alloy wire core 4, a first sealing ring 5 is arranged between the first locking device 6 and the first rare earth high-iron aluminum alloy wire core 3 and the second rare earth high-iron aluminum alloy wire core 4, a second locking device is arranged on the outer surface of the first cable 1 and the second cable 2, a fastener 13 is arranged on the second locking device, and the other end of the fastener 13 abuts against the first locking device 6.

[0026] By fixing and locking the connection between the first rare earth high-iron aluminum alloy wire core 3 and the second rare earth high-iron aluminum alloy wire core 4 through the first locking device 6, the stability of the connection between the first rare earth high-iron aluminum alloy wire core 3 and the second rare earth high-iron aluminum alloy wire core 4 can be improved. At the same time, by cooperating with the first locking device 6 and the first sealing ring 5, the sealing of the connection between the first rare earth high-iron aluminum alloy wire core 3 and the second rare earth high-iron aluminum alloy wire core 4 can be improved, thereby avoiding the influence of dust, water vapor, etc. on the wire core and ensuring the quality of the cable. By fixing and locking the connection between the first cable 1 and the second cable 2 through the second locking device, the stability and sealing of the connection between the first cable 1 and the second cable 2 can be improved, and the second locking device can also realize double protection for the connection between the first rare earth high-iron aluminum alloy wire core 3 and the second rare earth high-iron aluminum alloy wire core 4, thereby reducing the influence of environmental factors on the working condition of the cable, so that the cable is suitable for different environments. The first locking device 6 and the second locking device are fixed by the fastener 13, further improving the stability of the first locking device 6 and the second locking device, improving the firmness of the cable connection, and extending the service life of the cable.

[0027] In this embodiment, the first locking device 6 includes a first locking half ring 61 and a second locking half ring 62 which are in a circular ring shape after being connected. The inner side walls of the first locking half ring 61 and the second locking half ring 62 are both provided with a plurality of elastic columns 63, and the other end of the elastic column 63 is connected to a clamping plate 64. Among them, the clamping plate 64 is an arc plate, and the elastic column 63 is an insulating spring. When in use, the inner concave surface of the clamping plate 64 is attached to the outer surface of the first rare earth high iron aluminum alloy wire core 3 and the second rare earth high iron aluminum alloy wire core 4, and then the first locking half ring 61 and the second locking half ring 62 are fixed by the fastener 13, so as to realize the fixed locking of the connection between the first rare earth high iron aluminum alloy wire core 3 and the second rare earth high iron aluminum alloy wire core 4, improve the stability and sealing of the connection between the two, and avoid damage to the rare earth high iron aluminum alloy wire core. At the same time, the elastic column 63 can play a shock-absorbing role, which can reduce the pressure on the connection between the rare earth high-iron aluminum alloy wire core caused by the first locking half ring 61 and the second locking half ring 62 under high-intensity use, and can prevent the risk of breakage or derailment at the connection between the rare earth high-iron aluminum alloy wire core, thereby effectively improving the service life of the rare earth high-iron aluminum alloy wire core.

[0028] In this embodiment, the end surface of the first locking half ring 61 is provided with a limiting hole 611, and the end surface of the second locking half ring 62 is provided with a limiting column 621, and the limiting column 621 is inserted into the limiting hole 611. When in use, the limiting column 621 of the second locking half ring 62 is inserted into the limiting hole 611 of the first locking half ring 61 to achieve the initial fixation of the first locking half ring 61 and the second locking half ring 62, and then the fastener 13 is used for secondary fixation to improve the firmness of the first locking device 6.

[0029] In this embodiment, the second locking device comprises a connection seat 7 arranged on the outer surface of the first cable 1, a sliding sleeve 8 arranged on the outer surface of the second cable 2, and a locking plate 9 slidably installed in the sliding sleeve 8. A limiting groove 11 is provided on the side of the connection seat 7 close to the second cable 2, and the other end of the locking plate 9 is inserted into the limiting groove 11. The locking plate 9 and the connection seat 7 are fixed by screws 12. When in use, the locking plate 9 is slid in the sliding sleeve 8 until one end of the locking plate 9 is inserted into the limiting groove 11 to achieve preliminary clamping and fixing, and then the locking plate 9 and the connection seat 7 are fixed for a second time by screws 12 to improve the firmness of the second locking device.

[0030] In this embodiment, a slidable protective cover 10 is further installed in the sliding sleeve 8, and the protective cover 10 is sleeved on the outer surface of the locking plate 9. The protective cover 10 and the locking plate 9 can be glued, and when the protective cover 10 is moved, the protective cover 10 drives the locking plate 9 to move until one end of the locking plate 9 is inserted into the limiting groove 11 on the connecting seat 7, and then the protective cover 10, the locking plate 9 and the first locking device 6 are fixed by the fastener 13, thereby improving the firmness and stability of the two locking devices, making them better at protecting the cable connection, and ensuring that the cable can work normally.

[0031] In this embodiment, a second sealing ring 14 is provided on the inner side of the end of the sliding sleeve 8 close to the first cable 1. The second sealing ring 14 can prevent rainwater from penetrating into the connection between the first rare earth high iron aluminum alloy wire core 3 and the second rare earth high iron aluminum alloy wire core 4, thereby preventing adverse effects on the cable.

[0032] In this embodiment, a waterproof layer and a fire-resistant layer are sequentially arranged on the outer surface of the protective cover 10. Through the cooperation of the waterproof layer and the fire-resistant layer, the cable connection can have better waterproof and fire-proof effects, so that the cable can be applied to different environments.

[0033] The working principle of a rare earth high-speed iron aluminum alloy cable is as follows: a first sealing ring 5 is mounted on a first rare earth high-speed iron aluminum alloy wire core 3 and a second rare earth high-speed iron aluminum alloy wire core 4, the first rare earth high-speed iron aluminum alloy wire core 3 and the second rare earth high-speed iron aluminum alloy wire core 4 are connected, a first locking semi-ring 61 and a second locking semi-ring 62 are mounted on the outer surface of the connection between the first rare earth high-speed iron aluminum alloy wire core 3 and the second rare earth high-speed iron aluminum alloy wire core 4, a limiting column 621 on the end face of the second locking semi-ring 62 is inserted into the limiting hole 611 on the end face of the first locking semi-ring 61, and then the first sealing ring 5 is mounted on the first rare earth high-speed iron aluminum alloy wire core 3 and the second rare earth high-speed iron aluminum alloy wire core 4. A second sealing ring 14 is installed on the inner side of the sleeve 8 near one end of the first cable 1, and the protective cover 10 in the sliding sleeve 8 is moved. The protective cover 10 drives the locking plate 9 to move in the sliding sleeve 8, so that one end of the locking plate 9 is inserted into the limiting groove 11 of the connecting seat 7. At this time, the other end of the locking plate 9 is tightly attached to the second sealing ring 14, and finally the locking plate 9 and the connecting seat 7 are locked and fixed by the screw 12, and the protective cover 10, the locking plate 9, the first locking half ring 61 and the second locking half ring 62 are locked and fixed by the fastener 13, so as to realize the fixed sealing of the cable connection.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rare earth high-iron aluminum alloy cable, characterized in that: It includes a first cable and a second cable, wherein a first rare earth high-iron aluminum alloy wire core is arranged on a side of the first cable close to the second cable, and a second rare earth high-iron aluminum alloy wire core is arranged on a side of the second cable close to the first cable, a first locking device is arranged on the outer surfaces of the first rare earth high-iron aluminum alloy wire core and the second rare earth high-iron aluminum alloy wire core, a first sealing ring is arranged between the first locking device and the first rare earth high-iron aluminum alloy wire core and the second rare earth high-iron aluminum alloy wire core, a second locking device is arranged on the outer surfaces of the first cable and the second cable, a fastener is arranged on the second locking device, and the other end of the fastener abuts against the first locking device.

2. The rare earth high iron aluminum alloy cable according to claim 1, characterized in that: The first locking device comprises a first locking half ring and a second locking half ring which are in a circular ring shape after being connected, and the inner side walls of the first locking half ring and the second locking half ring are both provided with a plurality of elastic columns, and the other ends of the elastic columns are connected to a clamping plate.

3. The rare earth high iron aluminum alloy cable according to claim 2, characterized in that: A limiting hole is formed on the end surface of the first locking half ring, and a limiting column is disposed on the end surface of the second locking half ring. The limiting column is inserted into the limiting hole.

4. The rare earth high iron aluminum alloy cable according to claim 1, characterized in that: The second locking device includes a connecting seat arranged on the outer surface of the first cable, a sliding sleeve arranged on the outer surface of the second cable, and a locking plate slidably installed in the sliding sleeve. A limiting groove is provided on the side of the connecting seat close to the second cable, and the other end of the locking plate is inserted into the limiting groove. The locking plate is fixed to the connecting seat by screws.

5. The rare earth high iron aluminum alloy cable according to claim 4, characterized in that: A slidable protective cover is also installed in the sliding sleeve, and the protective cover is sleeved on the outer surface of the locking plate.

6. The rare earth high iron aluminum alloy cable according to claim 4, characterized in that: A second sealing ring is arranged on the inner side of one end of the sliding sleeve close to the first cable.

7. The rare earth high iron aluminum alloy cable according to claim 5, characterized in that: The outer surface of the protective cover is provided with a waterproof layer and a fire-resistant layer in sequence.

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