Tensile force testing device for power supply cable

Abstract

The utility model discloses a tensile force testing device for a power supply cable, which belongs to the technical field of cable tensile force testing and comprises a base, a fixing plate is arranged at the top of the base, a detection mechanism is arranged at the top of the base, and a fixing mechanism is arranged below the fixing plate. The fixing mechanism comprises two symmetrically-distributed mounting plates, the mounting plates are of U-shaped structures, limiting openings are formed in the outer walls of one sides of the mounting plates, connecting openings are formed in the sides, away from the limiting openings, of the mounting plates, and connecting rods are connected to the inner walls of the connecting openings through threads. The side, close to the limiting opening, of the connecting rod is rotationally connected with a connecting plate through a bearing, the side, away from the connecting rod, of the connecting plate is fixedly connected with a protective strip, the protective strip is made of a soft rubber material, and a cavity is formed in the protective strip. According to the utility model, the cable can be stably fixed, and the effect of protecting the surface of the cable can be realized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cable tensile force test technical field especially relates to a kind of tensile force testing device for power supply cable. BACKGROUND

[0002] Power supply cable is a kind of cable for power transmission, it plays a vital role in power system, responsible for the safe and effective transmission of electric energy from power station or substation to each power equipment or user. These cables are usually composed of conductor, insulating layer, sheath and other parts, different parts bear different functions and effects. Generally include conductor, insulating layer and sheath, need to use a kind of tensile force testing device for power supply cable.

[0003] At present, the Chinese patent with announcement number CN206671084U discloses a kind of cable tensile force testing tools, including fixed rod, lower tray, crossbeam, track, first clamping end, second clamping end, weight tray, support column, third clamping end, fourth clamping end, fourth pneumatic telescopic rod, third pneumatic telescopic rod, second pneumatic telescopic rod, first pneumatic telescopic rod, sawtooth and arc channel, the first clamping end end is connected with first pneumatic telescopic rod, the second clamping end end is connected with second pneumatic telescopic rod, the third clamping end end is connected with third pneumatic telescopic rod, the fourth clamping end end is connected with fourth pneumatic telescopic rod, the fourth pneumatic telescopic rod, third pneumatic telescopic rod is fixed on support column, the support column is fixed on crossbeam, the crossbeam is fixed on fixed rod, the inside of fixed rod is provided with track.

[0004] But, the above-mentioned device is fixed when using, relies on sawtooth to the surface of cable jam, if jam is tight, then easily makes sawtooth embed in cable skin, causes the damage of cable. Utility model content

[0005] The utility model aims at solving the shortcomings in the prior art and proposes a tensile force testing device for power supply cable. Its advantages are that it can protect the surface of the cable.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A tensile force testing device for power supply cable, comprising a base, a fixed plate is provided on the top of the base, a detection mechanism is provided on the top of the base, a fixed mechanism is provided below the fixed plate;

[0008] The fixing mechanism comprises two symmetrically distributed mounting plates, the mounting plates are in U-shaped structure, a limiting opening is formed in the outer wall of one side of the mounting plate, a connecting opening is formed in the side of the mounting plate away from the limiting opening, a connecting rod is threadedly connected to the inner wall of the connecting opening, and a connecting plate is rotatably connected to the side of the connecting rod close to the limiting opening through a bearing.

[0009] Through the above technical scheme: when in use, the two ends of the cable are located in the two mounting plates respectively, and the end of the cable passes through the inner wall of the limiting opening, and the cable in the mounting plate has a surplus, the connecting rod can slide in the inner wall of the connecting opening, the rotation of the connecting rod can make the connecting plate move, after the protection strip contacts the cable, the cable can be partially wrapped by the protection strip in cooperation with the cavity, at this time, there is an excess cable between the limiting opening and the connecting plate, the rotation of the threaded rod can make the electric sliding block slide in the inner wall of the electric sliding rail, at this time, the cable above can be lifted, the tension detection meter is calibrated to zero after the cable is straightened, and then the cable is continuously lifted to perform the tensile force test, so that the effect of protecting the surface of the cable can be realized.

[0010] The utility model further sets up, the connecting plate is fixedly connected with the protection strip on the side away from the connecting rod.

[0011] Through the above technical scheme: the setting of the protection strip can increase the softness between the connecting plate and the surface of the cable, and the cable can be protected.

[0012] The utility model further sets up, a cavity is formed in the protection strip.

[0013] Through the above technical scheme: the setting of the cavity can facilitate the deformation of the protection strip, partially wrap the cable, and increase the fixation of the cable.

[0014] The utility model further sets up, the inner wall of the limiting opening is inclined.

[0015] Through the above technical scheme: the inclined setting can extrude the surplus of the cable through the cooperation of the inner wall of the limiting opening and the connecting plate when the cable is stretched, and the fixation of the cable can be increased.

[0016] The utility model further sets up, the detection mechanism comprises a tension detection meter, the top of the tension detection meter is fixedly connected with the bottom of the fixed plate, and the bottom of the tension detection meter is fixedly connected with the top of the mounting plate.

[0017] Through the above technical scheme: the setting of the tension detection meter can detect the tension of the cable.

[0018] The utility model further sets up, the top fixed connection of base has electric slide rail, the inner wall sliding connection of electric slide rail has electric sliding block, electric sliding block and the fixed connection of installation board located above, the fixed connection of base and installation board located below.

[0019] Through above technical scheme: the setting of electric sliding block, can slide in the inner wall of electric slide rail, can detect the tension of cable.

[0020] The utility model further sets up, the top outer wall fixed connection of electric slide rail has rotation motor, the output shaft fixed connection of rotation motor has screw rod, screw rod and electric sliding block are connected through screw thread.

[0021] Through above technical scheme: the setting of screw rod, can rotate under the output shaft rotation of rotation motor, the rotation of screw rod can make electric sliding block slide in the inner wall of electric slide rail.

[0022] The utility model discloses the beneficial effect that:

[0023] The tension testing device for power supply cable, through the both ends of cable are located in two installation boards respectively, and make the end of cable pass through the inner wall of limiting mouth, and the cable in installation board has a margin, the connecting rod can slide in the inner wall of connecting port, the rotation of connecting rod can make connecting plate move, after the contact of protection strip to cable, cooperate cavity can make cable be wrapped partially by protection strip, at this time, there is an extra cable between limiting mouth and connecting plate, can make cable fixed stable, therefore, can realize the effect of protecting the surface of cable.

[0024] The tension testing device for power supply cable, through the inclination setting can be stretched in cable, the margin of cable can be extruded through the cooperation of limiting mouth inner wall and connecting plate, can increase the fixing effect of cable, through tension detection meter can detect the tension of cable.

[0025] The tension testing device for power supply cable, through electric sliding block can slide in the inner wall of electric slide rail, can detect the tension of cable, through screw rod can rotate under the output shaft rotation of rotation motor, the rotation of screw rod can make electric sliding block slide in the inner wall of electric slide rail. BRIEF DESCRIPTION OF DRAWINGS

[0026] Fig. 1 The utility model proposes a kind of structure schematic view of tension testing device for power supply cable for the utility model;

[0027] Fig. 2 The utility model proposes a kind of screw rod structure schematic view of tension testing device for power supply cable for the utility model;

[0028] Fig. 3 The utility model provides a kind of connecting plate structure schematic diagram for the tensile force testing device of power supply cable.

[0029] In the drawing: 1, base; 2, fixed plate; 3, mounting plate; 4, limit port; 5, connecting port; 6, connecting rod; 7, connecting plate; 8, protective strip; 9, cavity; 10, tension detection meter; 11, electric sliding rail; 12, electric sliding block; 14, rotating motor; 15, threaded rod. DETAILED DESCRIPTION

[0030] The technical solutions of the present patent will be further described in detail below in conjunction with specific embodiments.

[0031] The embodiments of the present patent are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary, only for explaining the present patent, and cannot be understood as limiting the present patent.

[0032] In the description of the present patent, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present patent and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present patent.

[0033] In the description of the present patent, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, can be fixedly connected, set, or can be detachably connected, set, or integrally connected, set. For those skilled in the art, the specific meaning of the above terms in the present patent can be understood according to the specific circumstances.

[0034] Reference Figs. 1-3 A kind of tensile force testing device for power supply cable, including base 1, the top of base 1 is provided with fixed plate 2, the top of base 1 is provided with detection mechanism, fixed plate 2 is provided with fixed mechanism below;

[0035] Fixed mechanism includes two symmetrically distributed mounting plates 3, mounting plate 3 is U-shaped structure, the outer wall of one side of mounting plate 3 is provided with limit port 4, the side away from limit port 4 of mounting plate 3 is provided with connecting port 5, the inner wall of connecting port 5 is connected with connecting rod 6 by screw thread, the side of connecting rod 6 close to limit port 4 is rotatably connected with connecting plate 7 by bearing.

[0036] It should be noted that in this embodiment, the connecting plate 7 is fixedly connected with a protective strip 8 away from the connecting rod 6, the protective strip 8 is made of soft rubber material, and the softness between the connecting plate 7 and the surface of the cable can be increased through the protective strip 8, and the cable can be protected.

[0037] Further, in this embodiment, a cavity 9 is formed in the protective strip 8, which can facilitate the deformation of the protective strip 8, and can partially wrap the cable to increase the fixation of the cable.

[0038] The inner wall of the limiting port 4 is inclined, which can extrude the excess amount of the cable through the cooperation of the inner wall of the limiting port 4 and the connecting plate 7 when the cable is stretched, thereby increasing the fixation of the cable.

[0039] In one specific embodiment, the detection mechanism includes a tension detector 10, the top of the tension detector 10 is fixedly connected with the bottom of the fixed plate 2, and the bottom of the tension detector 10 is fixedly connected with the top of the mounting plate 3, which can detect the tension of the cable.

[0040] It should be noted that in this embodiment, the top of the base 1 is fixedly connected with an electric sliding rail 11, the inner wall of the electric sliding rail 11 is slidingly connected with an electric sliding block 12, the electric sliding block 12 is fixedly connected with the mounting plate 3 above, and the base 1 is fixedly connected with the mounting plate 3 below, which can slide in the inner wall of the electric sliding rail 11 through the electric sliding block 12, and detect the tension of the cable.

[0041] Further, in this embodiment, the top outer wall of the electric sliding rail 11 is fixedly connected with a rotating motor 14, the output shaft of the rotating motor 14 is fixedly connected with a threaded rod 15, and the threaded rod 15 is connected with the electric sliding block 12 through threads, which can rotate under the rotation of the output shaft of the rotating motor 14, and the rotation of the threaded rod 15 can make the electric sliding block 12 slide in the inner wall of the electric sliding rail 11.

[0042] Working principle: when using, the two ends of the cable are located in two installation plates 3 respectively, and the end of the cable passes through the inner wall of the limiting port 4, and the cable in the installation plate 3 has a surplus, the connecting rod 6 can slide in the inner wall of the connecting port 5, the rotation of the connecting rod 6 can make the connecting plate 7 move, after the protection strip 8 contacts the cable, the cooperation of the cavity 9 can make the cable be wrapped by the protection strip 8, at this time, there is an extra cable between the limiting port 4 and the connecting plate 7, starting the rotating motor 14 can make the threaded rod 15 rotate, the rotation of the threaded rod 15 can make the electric sliding block 12 slide in the inner wall of the electric sliding rail 11, at this time, the cable above can be lifted, after the cable is straightened, the tension detection meter 10 is zeroed, then the cable is continuously lifted, and the tensile force test can be carried out, therefore, the effect of protecting the surface of the cable can be realized.

[0043] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A tensile force testing device for power cables, comprising a base (1), characterized in that, The top of the base (1) is provided with a fixed plate (2), the top of the base (1) is provided with a detection mechanism, the lower side of the fixed plate (2) is provided with a fixing mechanism; The fixing mechanism comprises two mounting plates (3) which are symmetrically distributed, the mounting plate (3) is in U-shaped structure, the outer wall of one side of the mounting plate (3) is provided with a limiting port (4), the side of the mounting plate (3) away from the limiting port (4) is provided with a connecting port (5), the inner wall of the connecting port (5) is threadedly connected with a connecting rod (6), the side of the connecting rod (6) close to the limiting port (4) is rotatably connected with a connecting plate (7) through a bearing.

2. A tensile force testing device for power cables according to claim 1, characterized in that The side of the connecting plate (7) away from the connecting rod (6) is fixedly connected with a protective strip (8), the protective strip (8) is made of soft rubber material.

3. A tensile force testing device for power cables according to claim 2, characterized in that A cavity (9) is formed in the protective strip (8).

4. A tensile force testing device for power cables according to claim 3, characterized in that The inner wall of the limiting port (4) is inclined.

5. A tensile force testing device for power cables according to claim 1, characterized in that The detection mechanism comprises a tension detector (10), the top of the tension detector (10) is fixedly connected with the bottom of the fixed plate (2), and the bottom of the tension detector (10) is fixedly connected with the top of the mounting plate (3).

6. A tensile force testing device for power cables according to claim 5, characterized in that The top of the base (1) is fixedly connected with an electric sliding rail (11), the inner wall of the electric sliding rail (11) is slidably connected with an electric sliding block (12), the electric sliding block (12) is fixedly connected with the mounting plate (3) located above, and the base (1) is fixedly connected with the mounting plate (3) located below.

7. A tensile force testing device for power cables according to claim 6, characterized in that The top outer wall of the electric sliding rail (11) is fixedly connected with a rotating motor (14), the output shaft of the rotating motor (14) is fixedly connected with a threaded rod (15), and the threaded rod (15) is threadedly connected with the electric sliding block (12).

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