Composite tensile cable

Abstract

The utility model belongs to the technical field of cables, and particularly relates to a composite tensile cable, which comprises a cable conductor, the bottom side surface of the cable conductor is connected with a side lug, the surface of the side lug is provided with a threaded hole, one side of the side lug is provided with a taper hole, a threaded pipe is inserted in the threaded hole, the end part of the threaded pipe is connected with a knob, and the end part of the threaded pipe is connected with the taper hole. The other end of the threaded pipe is connected with a fixing pipe plug, and a steel wire penetrates through the threaded hole, the conical hole, the threaded pipe, the rotary knob and the fixing pipe plug. According to the steel wire fixing device, the knob drives the threaded pipe to rotate in the threaded hole and can transversely move, the threaded pipe can transversely move to drive the fixing pipe plug to transversely move, and when the fixing pipe plug transversely moves, the end portion of the fixing pipe plug is squeezed by the conical hole to be gathered together, and when the end portion of the fixing pipe plug is squeezed to move to the surface of a steel wire, the steel wire is fixed. At the moment, the position of the steel wire can be fixed through friction between the fixing pipe plug and the steel wire, so that the tensile effect of the cable can be improved through the steel wire.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cable technical field, concretely relates to a kind of composite tensile resistance cable. BACKGROUND

[0002] Cable is a kind of wire for transmitting power or information, and cable is usually composed of one or more mutually insulated conductors and outer insulating layer, for transmitting power or information from one place to another. Sometimes, cable can also contain shielding layer, sheath and other components to enhance its electrical performance, mechanical properties and environmental adaptability, and the basic structure of cable includes three parts of core (conductor), insulating layer and protective layer. The core conductor needs to have good conductivity to reduce line loss; the insulating layer is used to isolate the core conductor and protective layer, and needs to have good insulating performance and heat resistance; the protective layer is used to protect the insulating layer from external damage and moisture intrusion, and needs to have certain mechanical strength.

[0003] During the erection of high-voltage cable, due to complex terrain and long span, it often faces great challenges. In this case, the internal structure of the cable is easily damaged under the action of continuous tension, thereby increasing the risk of fracture. Once the cable is fractured, it will not only directly cause the interruption of power transmission, affecting the stability and reliability of regional power supply, but also may cause a series of serious safety hazards. These hazards include but are not limited to: possible fire accidents, serious threat to the surrounding environment and the safety of life and property of residents, and social and economic losses caused by power interruption. SUMMARY

[0004] The utility model aims at providing a kind of composite tensile resistance cable, to solve the problem that the existing high-voltage cable in prior art is erected in the process, due to complex terrain and long span, it often faces great challenges, in this case, the internal structure of the cable is easily damaged under the action of continuous tension, thereby increasing the risk of fracture. Once the cable is fractured, it will not only directly cause the interruption of power transmission, affecting the stability and reliability of regional power supply, but also may cause a series of serious safety hazards.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of composite tensile resistance cable, including cable line, the bottom side surface of the cable line is connected with side ear, the surface of the side ear is equipped with screw hole, the side of the side ear is equipped with conical hole, the inside of the screw hole is inserted with threaded tube, the end of the threaded tube is connected with knob, the other end of the threaded tube is connected with fixed tube plug, the inside of the screw hole, conical hole, threaded tube, knob and fixed tube plug is penetrated by steel wire.

[0006] The threaded pipe and the threaded hole are in threaded connection, and the threaded pipe and the knob are in an integral structure.

[0007] The fixed pipe plug is made of rubber material, and the steel wire and the fixed pipe plug are in sliding connection.

[0008] The surface of the cable line is sleeved with a connecting pipe, the surface of the connecting pipe is connected with a fixing sleeve, the surface of the fixing sleeve is provided with a fixing hole, a fixing bolt penetrates through the inside of the fixing hole, and the surface of the fixing sleeve close to the fixing bolt is connected with a fixing screw pipe.

[0009] The connecting pipe and the fixing sleeve are in an integral structure, and the fixing sleeve is made of beryllium copper material.

[0010] The fixing bolt is in sliding connection between the fixing hole and the fixing sleeve, and the fixing bolt and the fixing screw pipe are in threaded connection.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The utility model discloses, the knob drives threaded pipe rotates in the inside of threaded hole can move horizontally, threaded pipe horizontal movement can drive fixed pipe plug horizontal movement, fixed pipe plug horizontal movement when its end portion is gathered in the extrusion of conical hole, when fixed pipe plug's end portion is extruded and moves to the surface of steel wire, the position of steel wire can be fixed through the friction of fixed pipe plug and steel wire at this time, thereby can improve the anti -tensile effect of cable line through steel wire, avoid the cable line erection when due to the span of big and lead to fracture.

[0013] The utility model discloses, fixing sleeve can be through its elastic force and cover the surface of another cable line, then fixing bolt penetrates fixed hole and moves to the end of fixed screw pipe and rotates, fixing bolt can move horizontally when rotating, through the threaded connection of fixing bolt and fixed screw pipe, the surface of another cable line is connected with fixing sleeve, thereby can realize the connection of two cable lines of same route, like this can improve the maintenance and management of cable line later period. ACCURACY

[0014] The drawings are used to provide further understanding of the utility model, and constitute part of the specification, are used to explain the utility model with the embodiment of the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is partial structure schematic view of the utility model;

[0017] Figure 3 It is sectional view of steel wire connecting structure of the utility model;

[0018] Figure 4 It is explosion view of steel wire connecting structure of the utility model;

[0019] Figure 5 It is sectional view of inside structure of side ear of the utility model;

[0020] Figure 6 It is fixed sleeve connecting structure schematic view of the utility model.

[0021] In the drawing: 1, cable line;2, side ear;3, steel wire;4, threaded hole;5, conical hole;6, threaded tube;7, knob;8, fixed tube plug;9, connecting tube;10, fixed sleeve;11, fixed hole;12, fixed bolt;13, fixed screw tube. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] Please refer to Figures 1-6 The utility model provides the following technical scheme: a kind of composite tensile resistance cable, including cable line 1, the bottom side surface of cable line 1 is connected with side ear 2, threaded hole 4 is set on the surface of side ear 2, conical hole 5 is set on one side of side ear 2, threaded tube 6 is inserted in the inside of threaded hole 4, knob 7 is connected in the end of threaded tube 6, fixed tube plug 8 is connected in the other end of threaded tube 6, steel wire 3 is passed through the inside of threaded hole 4, conical hole 5, threaded tube 6, knob 7 and fixed tube plug 8.

[0024] High voltage cable line 1 is first erected between electric tower when using, then one end of cable line 1 is connected on power generation equipment of power station, and the other end of cable line 1 is connected user equipment by step-down transformer, and the transmission of electric energy is realized by cable line 1 long-distance, high efficiency, safe.

[0025] Preferably: threaded connection between threaded tube 6 and threaded hole 4, and one-piece structure between threaded tube 6 and knob 7.

[0026] In specific use, rotating the knob 7 can drive the threaded tube 6 to rotate, and the threaded tube 6 can move horizontally in the threaded hole 4 through the threaded connection.

[0027] Preferably, the fixed tube plug 8 is made of rubber, and the steel wire 3 is in sliding connection with the fixed tube plug 8.

[0028] In specific use, when the fixed tube plug 8 moves towards the tapered hole 5, the fixed tube plug 8 can deform towards the center when being extruded, and when the end of the fixed tube plug 8 is bent to the surface of the steel wire 3, the position of the steel wire 3 can be fixed through the friction between the fixed tube plug 8 and the steel wire 3.

[0029] Preferably, the surface of the cable 1 is sleeved with a connecting tube 9, the surface of the connecting tube 9 is connected with a fixed sleeve 10, the surface of the fixed sleeve 10 is provided with a fixed hole 11, the fixed hole 11 is penetrated by a fixed bolt 12, and the surface of the fixed sleeve 10 close to the fixed bolt 12 is penetrated and connected with a fixed screw tube 13.

[0030] Preferably, the connecting tube 9 and the fixed sleeve 10 are in an integrated structure, the fixed bolt 12 is in sliding connection with the fixed sleeve 10 through the fixed hole 11, the fixed sleeve 10 is made of beryllium copper, and the fixed bolt 12 is in threaded connection with the fixed screw tube 13.

[0031] In specific use, the fixed bolt 12 can move horizontally when the fixed screw tube 13 rotates, so that the opening on the upper side of the fixed sleeve 10 is closed.

[0032] Working principle: when the cable is used, the steel wire 3 can be penetrated into the inside of the threaded tube 6, the knob 7 and the fixed tube plug 8 when the span of the cable 1 is large, then the knob 7 can be rotated, the knob 7 can drive the threaded tube 6 to rotate when rotating, the threaded tube 6 can move horizontally in the threaded hole 4 when rotating, the fixed tube plug 8 can move horizontally when the threaded tube 6 moves horizontally, the end of the fixed tube plug 8 can be gathered by the extrusion of the tapered hole 5, and the position of the steel wire 3 can be fixed through the friction between the fixed tube plug 8 and the steel wire 3 when the end of the fixed tube plug 8 is extruded to the surface of the steel wire 3, so that the tensile effect of the cable 1 can be improved through the steel wire 3.

[0033] When more than one cable 1 is erected on the same route, the fixed sleeve 10 can be sleeved on the surface of another cable 1 through the elastic force of the fixed sleeve 10, then the fixed bolt 12 moves to the end of the fixed screw tube 13 through the fixed hole 11 and rotates, the fixed bolt 12 can move horizontally in the fixed screw tube 13 when rotating, so that the fixed sleeve 10 can be connected to the surface of another cable 1 through the threaded connection between the fixed bolt 12 and the fixed screw tube 13, thereby realizing the connection of two cables 1 on the same route.

[0034] It should be pointed out finally that: the above is only the preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A composite tensile-resistant cable, comprising a cable (1), characterized in that: The bottom surface of the cable (1) is connected to a side lug (2), the surface of the side lug (2) is provided with a threaded hole (4), a tapered hole (5) is provided on one side of the side lug (2), a threaded tube (6) is inserted into the threaded hole (4), a knob (7) is connected to the end of the threaded tube (6), and a fixed tube plug (8) is connected to the other end of the threaded tube (6). A steel wire (3) passes through the threaded hole (4), the tapered hole (5), the threaded tube (6), the knob (7) and the fixed tube plug (8).

2. The composite tensile cable according to claim 1, characterized in that: The threaded tube (6) and the threaded hole (4) are connected by a thread, and the threaded tube (6) and the knob (7) are an integral structure.

3. The composite tensile cable according to claim 1, characterized in that: The fixed tube plug (8) is made of rubber, and the steel wire (3) is slidably connected to the fixed tube plug (8).

4. The composite tensile cable according to claim 1, characterized in that: The surface of the cable (1) is fitted with a connecting tube (9), the surface of the connecting tube (9) is connected with a fixing sleeve (10), the surface of the fixing sleeve (10) is provided with a fixing hole (11), a fixing bolt (12) passes through the inside of the fixing hole (11), and a fixing screw tube (13) passes through the surface of the fixing sleeve (10) near the fixing bolt (12).

5. A composite tensile-resistant cable according to claim 4, characterized in that: The connecting pipe (9) and the fixing sleeve (10) are an integral structure, and the fixing sleeve (10) is made of beryllium copper.

6. A composite tensile-resistant cable according to claim 5, characterized in that: The fixing bolt (12) is slidably connected to the fixing sleeve (10) through the fixing hole (11), and the fixing bolt (12) is threadedly connected to the fixing screw tube (13).

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