Device for detecting tensile strength of copper-clad steel wire

By designing a tensile strength testing device for copper-clad steel wire with internal tube heating and temperature control, the limitations of testing at room temperature are overcome, enabling tensile strength testing at different temperatures. This device is suitable for the application of copper-clad steel in power systems.

CN223711291UActive Publication Date: 2025-12-23JIANGXI JUFENG NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202423283166.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-23
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing tensile strength testing devices for copper-clad steel wire can only perform tests at room temperature, which cannot meet the application requirements of copper-clad steel in power systems where the temperature is higher than room temperature.

Method used

A testing device comprising an inner tube, a heating wire, a temperature sensor, and a tensile gauge was designed. The inner tube is heated by the heating wire to achieve temperature control of the copper-clad steel wire and to test the tensile strength at different temperatures.

Benefits of technology

It enables the testing of the tensile strength of copper-clad steel wire under different temperature conditions, and is suitable for the practical application of copper-clad steel in power systems.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a copper-clad steel wire tensile strength detection device which comprises a bottom plate, two telescopic supports are symmetrically installed on the upper surface of the bottom plate, a cross beam is fixedly installed at the top ends of the telescopic supports, and stretching devices are fixedly installed at the two ends of the cross beam. The middle section of the cross beam is fixedly provided with a tension meter, the detection end of the tension meter penetrates through the cross beam and is in sliding connection with the cross beam, and when the tensile strength of the copper-clad steel wire needs to be detected in different temperature states, the heating wire can be electrified to heat the copper-clad steel wire in the inner tube; when the temperature sensor detects that the internal temperature of the inner pipe reaches the temperature required to be tested, the air cylinder can be started to push the piston rod to extend, so that the cross beam is pushed to move upwards, the copper-clad steel wire is stretched in the upward moving process of the cross beam, and the copper-clad steel wire is pulled by the output end of the tension meter; the tensile strength of the copper-clad steel wire rod can be detected under different temperature conditions, and a user can use the copper-clad steel wire rod conveniently.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to tensile strength detection technical field, concretely relates to a copper clad steel wire rod tensile strength detection device. BACKGROUND

[0002] Copper clad steel refers to copper clad steel wire, that is, composite wire material that copper layer is wrapped around steel wire, it utilizes the skin effect of low voltage high frequency signal and walks along the surface in high frequency area, so as long as the thickness of copper layer reaches certain range, the signal of certain frequency band can be ensured to be transmitted.Copper plays the role of conducting weak electric signal, and steel wire plays the role of supporting, and copper clad steel is widely applied to grounding system, including transmission and communication line, power station and building, antenna system and grounding system of electronic equipment.

[0003] Copper clad steel needs to detect its tensile strength when leaving factory, and existing detection device can only detect the strength of copper clad steel in normal temperature state, and copper clad steel is applied to power system, and its temperature is generally higher than room temperature, so that the existing detection device has limitation when detecting. UTILITY MODEL CONTENT

[0004] The utility model discloses a copper clad steel wire rod tensile strength detection device with simple structure and reasonable design.

[0005] The utility model discloses a copper clad steel wire rod tensile strength detection device with simple structure and reasonable design.

[0006] A copper clad steel wire rod tensile strength detection device, including the bottom plate, the bottom plate upper surface symmetry is installed two telescopic supports, and the telescopic support top fixed installation has the crossbeam, and the crossbeam both ends all are fixedly installed and have the tensile device, and the crossbeam middle section fixed installation has the tension meter, and the detection end of tension meter penetrates crossbeam and is connected with crossbeam sliding, and the bottom wall of bottom plate bottom and the wire rod fixed structure are installed on the detection end of tension meter, and the inner tube is vertically arranged between two wire rod fixed structures, and the outer surface of inner tube is wound with multiple electric heating wires, and the outer tube is sleeved on the periphery of electric heating wire, and the outer tube end portion bends inwards and is fixed with inner tube, and the fixed plate is arranged between outer tube and telescopic support, and the fixed plate both ends are fixedly connected with outer tube and telescopic support respectively, and one of fixed plate is installed with controller, and temperature sensor is electrically connected on controller, and the detection end of temperature sensor extends to the inner chamber of inner tube after penetrating outer tube and inner tube.

[0007] As a further optimization scheme of the utility model, the telescopic support includes a sliding pipe fixedly connected to the upper surface of the bottom plate at the bottom end, a sliding rod slidably connected to the top end of the sliding pipe, and the crossbeam is fixed to one end of the sliding rod located outside the sliding pipe. The end of the fixed plate away from the outer tube is fixed to the side wall of the sliding pipe.

[0008] As a further optimization scheme of the utility model, the stretching device includes a cylinder fixedly installed at the end of the cross beam, a piston rod is installed on the output end of the cylinder, the piston rod penetrates the cross beam and is in sliding connection with the cross beam, and the bottom end of the piston rod is fixed to the upper surface of the bottom plate.

[0009] As a further optimization scheme of the utility model, the wire fixing structure includes a first fixing rod fixedly installed on the detection end of the tensile meter, and a second fixing rod fixedly installed on the upper surface of the middle segment of the bottom plate, the first fixing rod and the second fixing rod are arranged in position, and a threading hole is formed in each of the first fixing rod and the second fixing rod.

[0010] As a further optimization scheme of the utility model, the inner tube is made of a material with high heat conduction efficiency, the outer tube is made of a heat insulation material, and the inner diameter of the inner tube is greater than the diameter of the copper-clad steel wire.

[0011] As a further optimization scheme of the utility model, a display screen is installed on one side of the outer wall of the controller, and the temperature sensor is electrically connected with the display screen through the controller.

[0012] The utility model has the advantages that when the tensile strength of the copper-clad steel wire needs to be detected under different temperature conditions, the electric heating wire is electrified to heat the copper-clad steel wire in the inner tube, the temperature sensor detects that the temperature in the inner tube reaches the required testing temperature, the cylinder is started to push the piston rod to elongate, the cross beam is pushed upward, the copper-clad steel wire is stretched during the upward movement of the cross beam, the output end of the tensile meter pulls the copper-clad steel wire, the tensile strength of the copper-clad steel wire under different temperature conditions is detected, and the utility model is convenient for users to use. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a schematic diagram of the overall front structure of the utility model;

[0014] Figure 2 is a schematic diagram of the first cross-sectional structure of the utility model;

[0015] Figure 3 is a schematic diagram of the second cross-sectional structure of the utility model;

[0016] Figure 4 is a schematic diagram of the second cross-sectional structure of the utility model; Figure 3 is an enlarged view of the local details at A in the utility model.

[0017] In the figure: 1, the base plate; 2, the fixed hole; 3, the sliding pipe; 4, the sliding rod; 5, the crossbeam; 6, the air cylinder; 7, the piston rod; 8, the tension meter; 9, the first fixed rod; 10, the second fixed rod; 11, the inner tube; 12, the heating wire; 13, the outer tube; 14, the fixed plate; 15, the controller; 16, the temperature sensor. DETAILED DESCRIPTION

[0018] The application will be further described below in detail with reference to the drawings. It is necessary to point out here that the following detailed description is only used to further illustrate the application and cannot be understood as limiting the scope of protection of the application. Those skilled in the art can make some non-essential improvements and adjustments to the application according to the above application content.

[0019] EMBODIMENT

[0020] As shown in the figure, a copper-clad steel wire tensile strength detection device, including the base plate 1, the base plate 1 is rectangular structure, the four corners of the base plate 1 are provided with fixed holes 2, the user is convenient through the fixed hole 2 installs the base plate 1 on the external rack; Figure 1 Figure 4 The upper surface of the base plate 1 is symmetrically provided with two telescopic supports, the telescopic support includes a sliding pipe 3 fixedly connected to the upper surface of the base plate 1 at the bottom end, the top end of the sliding pipe 3 is slidably connected with a sliding rod 4, and the top end of the telescopic support is provided with a crossbeam 5. The crossbeam 5 is fixed to one end of the sliding rod 4 outside the sliding pipe 3, so that the crossbeam 5 can move synchronously with the up-down sliding movement of the sliding rod 4.

[0021] The two ends of the crossbeam 5 are fixedly provided with a stretching device, the stretching device includes an air cylinder 6 fixedly installed on the end of the crossbeam 5, the output end of the air cylinder 6 is provided with a piston rod 7, the piston rod 7 penetrates through the crossbeam 5 and is slidably connected with the crossbeam 5, and the bottom end of the piston rod 7 is fixedly connected with the upper surface of the base plate 1. When the air cylinder 6 is started, the air cylinder 6 can push the piston rod 7 to elongate, so as to drive the sliding rod 4 to slide upwards and adjust the distance between the base plate 1 and the crossbeam 5.

[0022] A tension meter 8 is fixedly installed on the middle segment of the crossbeam 5, the detection end of the tension meter 8 penetrates through the crossbeam 5 and is slidably connected with the crossbeam 5, and wire fixing structures are installed on the bottom of the detection end of the tension meter 8 and the bottom wall of the base plate 1. The wire fixing structure includes a first fixed rod 9 fixedly installed on the detection end of the tension meter 8, and a second fixed rod 10 fixedly installed on the upper surface of the middle segment of the base plate 1. The first fixed rod 9 and the second fixed rod 10 are arranged in position, and the first fixed rod 9 and the second fixed rod 10 are provided with wire holes, so as to facilitate the copper-clad steel wire to penetrate through the first fixed rod 9 and the second fixed rod 10 through the wire holes and be fixedly wound.

[0023] The two ends of the crossbeam 5 are fixedly provided with a stretching device, the stretching device includes an air cylinder 6 fixedly installed on the end of the crossbeam 5, the output end of the air cylinder 6 is provided with a piston rod 7, the piston rod 7 penetrates through the crossbeam 5 and is slidably connected with the crossbeam 5, and the bottom end of the piston rod 7 is fixedly connected with the upper surface of the base plate 1. When the air cylinder 6 is started, the air cylinder 6 can push the piston rod 7 to elongate, so as to drive the sliding rod 4 to slide upwards and adjust the distance between the base plate 1 and the crossbeam 5.

[0024] ​A inner tube 11 is vertically arranged between the two wire fixing structures, the inner tube 11 is made of material with high heat conduction efficiency, a plurality of groups of electric heating wires 12 are wound on the outer surface of the inner tube 11, the outer tube 13 is sleeved on the side of the electric heating wire 12, the outer tube 13 is made of heat insulation material, the end of the outer tube 13 is bent inward and fixed with the inner tube 11, the inner diameter of the inner tube 11 is larger than the diameter of the copper-clad steel wire, which can be heat insulated by the outer tube 13, while the temperature of the outer tube 13 after the electric heating wire 12 is electrified is prevented from rising too much to scald the workers;

[0025] A fixing plate 14 is arranged between the outer tube 13 and the telescopic support, the two ends of the fixing plate 14 are fixedly connected with the side wall of the outer tube 13 and the sliding pipe 3 of the telescopic support respectively, and the outer tube 13 is fixed between the first fixed rod 9 and the second fixed rod 10;

[0026] One of the fixing plates 14 is provided with a controller 15, a temperature sensor 16 is electrically connected to the controller 15, the detection end of the temperature sensor 16 extends into the inner cavity of the inner tube 11 after penetrating through the outer tube 13 and the inner tube 11, a display screen is installed on one side of the outer wall of the controller 15, and the temperature sensor 16 is electrically connected to the display screen through the controller 15, so as to display the internal temperature of the inner tube 11 in real time.

[0027] It should be noted that the copper-clad steel wire tensile strength detection device is used, first, the copper-clad steel wire to be detected is taken out, one end of the copper-clad steel wire is wound and fixed on the first fixed rod 9 after penetrating through the threading hole, and the other end of the copper-clad steel wire penetrates through the inner tube 11 and is wound and fixed on the second fixed rod 10 after penetrating out from the bottom end of the inner tube 11, at this time, the cylinder 6 is started to drive the piston rod 7 to elongate, so as to drive the cross beam 5 to move upwards, the copper-clad steel wire is stretched in the process of moving upwards of the cross beam 5, and the tensile strength of the copper-clad steel wire is detected by the tension meter 8;

[0028] When the tensile strength of the copper-clad steel wire needs to be detected at different temperature conditions, the electric heating wire 12 is electrified by the controller 15, the electric heating wire 12 heats the inner tube 11, and the heat is transmitted to the inner tube 11 through the heat conduction principle, so as to heat the copper-clad steel wire in the inner tube 11, when the temperature sensor 16 detects that the internal temperature of the inner tube 11 reaches the required test temperature and transmits the temperature to the display screen for display, the cylinder 6 is started to drive the piston rod 7 to elongate, so as to drive the cross beam 5 to move upwards, the copper-clad steel wire is stretched in the process of moving upwards of the cross beam 5, the tensile strength of the copper-clad steel wire at the temperature is detected by the tension meter 8, so that the tensile strength of the copper-clad steel wire at different temperature conditions is detected, which is convenient for users to use.

[0029] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the present application. It should be noted that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application.

Claims

1. A tensile strength testing device for copper-clad steel wire, comprising a base plate (1), wherein two telescopic supports are symmetrically installed on the upper surface of the base plate (1), a crossbeam (5) is fixedly installed at the top of the telescopic supports, a tensioning device is fixedly installed at both ends of the crossbeam (5), a tension gauge (8) is fixedly installed in the middle section of the crossbeam (5), the testing end of the tension gauge (8) passes through the crossbeam (5) and is slidably connected to the crossbeam (5), and wire fixing structures are installed at the bottom of the testing end of the tension gauge (8) and on the bottom wall of the base plate (1), characterized in that: An inner tube (11) is vertically arranged between two wire fixing structures. Multiple sets of heating wires (12) are wound around the outer surface of the inner tube (11). An outer tube (13) is sleeved around the heating wires (12). The end of the outer tube (13) is bent inward and fixed to the inner tube (11). A fixing plate (14) is provided between the outer tube (13) and the telescopic bracket. The two ends of the fixing plate (14) are fixedly connected to the outer tube (13) and the telescopic bracket, respectively. A controller (15) is installed on one of the fixing plates (14). A temperature sensor (16) is electrically connected to the controller (15). The detection end of the temperature sensor (16) passes through the outer tube (13) and the inner tube (11) and extends into the inner cavity of the inner tube (11).

2. The tensile strength testing device for copper-clad steel wire according to claim 1, characterized in that: The telescopic bracket includes a slide tube (3) whose bottom end is fixedly connected to the upper surface of the base plate (1), a slide rod (4) which is slidably connected to the top end of the slide tube (3), a crossbeam (5) which is fixed to one end of the slide rod (4) located outside the slide tube (3), and a fixing plate (14) whose end away from the outer tube (13) is fixed to the side wall of the slide tube (3).

3. The tensile strength testing device for copper-clad steel wire according to claim 1, characterized in that: The tensioning device includes a cylinder (6) fixedly installed at the end of the crossbeam (5), a piston rod (7) is installed on the output end of the cylinder (6), the piston rod (7) passes through the crossbeam (5) and is slidably connected to the crossbeam (5), and the bottom end of the piston rod (7) is fixed to the upper surface of the base plate (1).

4. The tensile strength testing device for copper-clad steel wire according to claim 1, characterized in that: The wire fixing structure includes a first fixing rod (9) fixedly installed on the detection end of the tension gauge (8), and a second fixing rod (10) fixedly installed on the upper surface of the middle section of the base plate (1). The first fixing rod (9) and the second fixing rod (10) are aligned and each has a wire hole.

5. The tensile strength testing device for copper-clad steel wire according to claim 4, characterized in that: The inner tube (11) is made of a material with high thermal conductivity, the outer tube (13) is made of a heat-insulating material, and the inner diameter of the inner tube (11) is larger than the diameter of the copper-clad steel wire.

6. The tensile strength testing device for copper-clad steel wire according to claim 1, characterized in that: A display screen is mounted on one side of the outer wall of the controller (15), and the temperature sensor (16) is electrically connected to the display screen through the controller (15).