CN218937986U - Toughness testing machine for DC waterproof line - Google Patents

Abstract

The utility model discloses a toughness testing machine for a DC waterproof wire, which comprises a workbench, wherein a chute is formed in the center of the top end of the workbench, a sliding plate capable of sliding along a transverse line is arranged on the inner side of the chute, clamping structures are fixed on the middle lines of the top ends of the workbench and the sliding plate, a mounting groove communicated with the chute is formed in the middle line of the top end of the workbench, a telescopic rod is fixed on the inner side of the mounting groove, a tension sensor connected with the sliding plate is fixed on the telescopic end of the telescopic rod, an electric power sensor and a power box are respectively arranged between the edge of the workbench and the clamping structures, the waterproof wire to be detected is clamped by the clamping structures and then is connected with the electric power sensor and the power box, and whether a plastic wire inside the DC waterproof wire is broken or not can be judged, so that a more accurate result can be obtained, and the accuracy of a test experiment result is improved.

Description

Toughness testing machine for DC waterproof line

Technical Field

The utility model relates to the field of production and detection of DC waterproof lines, in particular to a toughness testing machine for a DC waterproof line.

Background

Toughness generally refers to the ability of a material to absorb energy during plastic deformation and fracture. The better the toughness, the less likely brittle fracture will occur. Because the waterproof DC line is used for the charger of the electronic product, the waterproof DC line is stretched more, and therefore, after the waterproof DC line is produced, the waterproof DC line can transmit power, and the waterproof DC line needs to be detected by a toughness tester.

The DC waterproof wire is composed of a plurality of wires (hereinafter referred to as plastic wires) with plastic wrapped outside, and a plastic shell wrapping the plastic wires; however, when the two ends of the DC waterproof wire are clamped for a tensile toughness test, the elasticity of the wires of the plastic wire, the elasticity of the plastic wire and the toughness of the plastic shell of the DC waterproof wire are different, so that in the tensile test process, when any part of the plastic wire breaks, namely the DC wire is scrapped, the subsequent tensile force cannot be used as a data reference, but the related situation is not easily observed because the plastic wire is arranged inside, and the plastic wire is divided into a plurality of strands of plastic wires and the wires, and when a certain tensile force is reached, the plastic wires and the wires can be broken firstly; therefore, in the traditional test experiment of the toughness of the DC waterproof line, accurate data is not easy to obtain, thereby influencing the test result.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the toughness testing machine for the DC waterproof line, which can obtain more accurate results and improves the accuracy of test experiment results.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a DC is toughness testing machine for waterproof line, includes the workstation, the spout has been seted up to the top central authorities department of workstation, but the inboard of spout is provided with the gliding sliding plate of transversal line, the top central line department of workstation and sliding plate all is fixed with clamping structure, the communicating mounting groove of spout has been seted up to the top central line department of workstation, just the inboard of mounting groove is fixed with the telescopic link, just the telescopic link's flexible end is fixed with the tension sensor who is connected with the sliding plate, just be provided with electric power inductor and power supply box between the edge of workstation and the clamping structure respectively, wait to detect waterproof line and be connected with electric power inductor and power supply box after being pressed from both sides by clamping structure.

As a preferable technical scheme of the utility model, the clamping structure comprises two supporting seats which are arranged side by side, pressing plates capable of moving up and down are arranged on the inner sides of the two supporting seats, and a compression knob is arranged on the top end thread of the supporting seat in a penetrating mode.

As a preferable technical scheme of the utility model, guide grooves are formed at two ends of the two supporting seats, and guide blocks matched with the guide grooves are fixed at two ends of the pressing plate.

As a preferable technical scheme of the utility model, the bottom ends of the pressing plates are all fixed with anti-slip pads.

As a preferable technical scheme of the utility model, clamping blocks which are clamped with the sliding grooves are fixed at two ends of the sliding plate.

As a preferable technical scheme of the utility model, the section shape of the clamping block is U-shaped.

Compared with the prior art, the utility model has the following beneficial effects:

1. the DC waterproof wire is clamped through the clamping structure arranged on the surface of the top end of the workbench, the tension is detected through the telescopic rod and the tension sensor, whether the plastic wire is disconnected or short-circuited in the testing process is displayed through the power sensor and the power box, and accordingly whether the plastic wire inside the DC waterproof wire is pulled apart is judged, a more accurate result can be obtained, and the accuracy of the testing experiment result is improved;

2. through the clamp structure that has designed the top that sets up at workstation and sliding plate, because every group clamp structure all includes two clamping parts to can press from both sides the plastic shell and the inside plastic line of DC waterproof line respectively tightly, thereby prevent the plastic line slippage, lead to only the plastic shell to receive the pulling force.

Drawings

FIG. 1 is a schematic perspective view of a toughness testing machine according to the present utility model;

FIG. 2 is a schematic top view of the toughness testing machine according to the present utility model;

FIG. 3 is a schematic view of a partial enlarged structure of the portion A in FIG. 1 according to the present utility model;

FIG. 4 is a schematic view of a partially enlarged structure of the present utility model at B in FIG. 1;

wherein: 1. a work table; 2. a power inductor; 3. a chute; 4. a compression knob; 5. a sliding plate; 6. a power supply box; 7. a telescopic rod; 8. a tension sensor; 9. a support base; 10. a guide groove; 11. a guide block; 12. a pressing plate; 13. a clamping block; 14. and a mounting groove.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Examples

Referring to fig. 1-4, the utility model provides a toughness testing machine for a DC waterproof wire, comprising a workbench 1, wherein a chute 3 and a mounting groove 14 which are communicated are formed at the center line of the top end of the workbench 1, the mounting groove 14 is close to the edge, a sliding plate 5 is arranged in the chute 3, two U-shaped clamping blocks 13 are fixed at two ends of the sliding plate 5 and clamped with the chute 3, so that the sliding plate 5 can stably slide in the chute 3, meanwhile, a telescopic rod 7 is fixed at the inner side of the mounting groove 14, two ends of a tension sensor 8 are respectively connected with the telescopic rod 7 and the center of the sliding plate 5, so that the sliding plate 5 is connected with the telescopic rod 7, clamping structures are arranged at the center line of the top end of the workbench 1 and the center of the top end of the sliding plate 5, the DC waterproof wire can be clamped and fixed through the clamping structures, after the DC waterproof wire is clamped and fixed, the DC waterproof wire is connected with a power sensor 2 fixed at the edge of the top end of the workbench 1, the other end of the waterproof wire is connected with a power box 6 fixed at the edge of the top end of the workbench 1, and the power box 6 is internally provided with a protector, and the power box 6, the protector 7, the power box 8 and a power box 8 can not be connected with the power box and a power box 8 through a stress controller and a stress state controller;

as a further implementation manner of this embodiment, as shown in fig. 1-4, each group of clamping structures includes two clamping parts arranged side by side, each clamping part includes a supporting seat 9, guide slots 10 are formed on both sides of the supporting seat 9, a pressing plate 12 capable of moving up and down is arranged on the inner side of the supporting seat 9, anti-slip pads are arranged at the bottom end of the pressing plate 12, guide blocks 11 matched with the guide slots 10 are fixed at both ends of the pressing plate 12, a compression knob 4 is threaded at the center of the top end of the supporting seat 9, and the pressing plate 12 is pushed to compress the waterproof line by screwing the compression knob 4 and the pressing plate 12;

before the toughness test is required to be carried out on the DC waterproof wire, carefully stripping a part of the plastic shell of the waterproof wire and avoiding damaging the plastic of the internal plastic wire, exposing the plastic wire outside, enabling the stripped part to correspond to the two clamping structures, leveling the plastic wire, enabling the two parts of the exposed plastic wire to be positioned at the clamping parts at the outermost sides respectively, rotating the compression knobs 4 of the two outermost clamping parts, pushing the pressing plate 12 to press down through the compression knobs 4, compressing the plastic wire on the anti-slip pad at the bottom end of the pressing plate 12 and the workbench 1 or the sliding plate 5, so as to clamp and fix the plastic wire, and rotating the compression knobs 4 corresponding to the two inner clamping parts, so that the pressing plate 12 compresses the plastic shell of the waterproof wire, and therefore, the plastic wire and the plastic shell are respectively clamped, and sliding of the plastic wire in the plastic shell in the stretching process is effectively prevented, and the test result is affected;

in summary, the working principle is as follows:

after the plastic wire and the plastic shell of the DC waterproof wire are respectively fixed, the DC waterproof wire between the two clamping structures is made shorter, two ends of the DC waterproof wire are respectively connected with the power inductor 2 and the power box 6, the telescopic rod 7 is started through the controller, the telescopic rod 7 pulls the tension sensor 8 to move towards the telescopic rod 7, in the continuous pulling process, the power inductor 2 transmits information to the controller to display whether the DC wire is still electrified, and the following conditions can occur along with the continuation of the test: a. when the DC line is stretched to a certain limit, the shell of the DC line is broken preferentially and the power sensor 2 works normally, whether to continue the test or not can be determined after the shell is broken according to actual needs, or the controller displays the tension data of the tension sensor 8 as final data when the shell is broken; b. when the plastic of the plastic wire breaks two or more and the lead wire is not broken, the DC waterproof wire is shorter and rebounds after the plastic of the plastic wire breaks, so that the lead wire of the plastic wire contacts to cause short circuit, the controller displays that the power sensor 2 does not work normally, the controller records the final tension condition, and judges whether the short circuit exists according to the short circuit protector of the power box 6, thereby judging whether the plastic of the plastic wire of the DC waterproof wire breaks; c. when the plastic shell of the waterproof wire and the plastic of the plastic wire are not broken and the lead of the plastic wire is broken, the controller can directly display that the power sensor 2 does not work, directly record breaking data and record the final pulling force born by the tension sensor 8;

and finally judging the specific fracture condition according to the conditions to obtain the corresponding stress condition, wherein the plastic shell of the DC waterproof wire can still be used continuously after being broken, but the internal plastic or the wire is not easy to find after being broken, the DC waterproof wire cannot be used, if the DC waterproof wire is stretched continuously, error data can be recorded, and the specific tensile force after the plastic and the wire are broken can be measured through the above mode.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a DC is toughness testing machine for waterproof line, includes workstation (1), its characterized in that: the utility model discloses a waterproof line detection device for the electric power of the electric power sensor, including workstation (1), power box (6), spout (3) have been seted up to top central authorities department of workstation (1), the inboard of spout (3) is provided with slidable board (5) that can cross line is slided, the top central line department of workstation (1) and slidable board (5) all is fixed with clamping structure, the top central line department of workstation (1) has seted up with communicating mounting groove (14) of spout (3), just the inboard of mounting groove (14) is fixed with telescopic link (7), just the telescopic link (7)'s flexible end is fixed with the tension sensor (8) of being connected with slidable board (5), just be provided with electric power sensor (2) and power box (6) between the edge of workstation (1) and the clamping structure respectively, wait to detect waterproof line and be connected with electric power sensor (2) and power box (6) after being tightly clamped by clamping structure.

2. The toughness testing machine for DC waterproof lines according to claim 1, wherein: the clamping structure comprises two supporting seats (9) which are arranged side by side, pressing plates (12) capable of moving up and down are arranged on the inner sides of the two supporting seats (9), and compression knobs (4) are arranged on the top threads of the supporting seats (9) in a penetrating mode.

3. The toughness testing machine for DC waterproof lines according to claim 2, wherein: guide grooves (10) are formed in two ends of the two supporting seats (9), and guide blocks (11) matched with the guide grooves (10) are fixed at two ends of the pressing plate (12).

4. The toughness testing machine for DC waterproof lines according to claim 2, wherein: the bottom ends of the pressing plates (12) are respectively fixed with an anti-slip pad.

5. The toughness testing machine for DC waterproof lines according to claim 1, wherein: clamping blocks (13) clamped with the sliding grooves (3) are fixed at two ends of the sliding plate (5).

6. The toughness testing machine for DC waterproof lines according to claim 5, wherein: the section of the clamping block (13) is U-shaped.

Images