CN-224216434-U - Wire tensile testing machine

CN224216434UCN 224216434 UCN224216434 UCN 224216434UCN-224216434-U

Abstract

The utility model discloses an electric wire tensile testing machine in the field of tensile testing machines, which comprises a test bench, wherein a support is vertically fixed on the test bench, one side of the support is provided with a sliding block capable of moving up and down, and the sliding block is connected with the support through a guide rail. A rotating motor is arranged at the top of the bracket, the output end of the rotary screw is connected with a rotary screw, the rotating screw rod passes through the middle part of the sliding block to rotate, the outer side is provided with an external thread body to drive the sliding block to move on the guide rail. One side of the sliding block is connected with an upper clamping assembly for clamping one end of the electric wire, the upper clamping assembly consists of an upper clamping bottom plate and an upper clamping panel, the panel is detachably attached and fixed on one side of the bottom plate, and an upper concave-convex surface is arranged between the upper clamping bottom plate and the upper clamping panel. The lower clamping assembly is arranged below the upper clamping assembly and used for clamping the other end of the electric wire, the lower clamping assembly is similar in structure, a bottom plate of the lower clamping assembly is fixed on the test bench through the tension sensor, and a concave-convex surface is arranged between the lower clamping assembly and the lower clamping assembly. The testing machine is simple in structure, increases friction force between the clamping panel and the bottom plate, and effectively prevents the electric wire from sliding or falling off during stretching.

Inventors

LI ZHENXIONG
SHI CHAO
ZHANG CHAOLONG

Assignees

东莞市力雄仪器有限公司

Dates

Publication Date: 20260508
Application Date: 20250415

Claims (6)

1. The utility model provides an electric wire tensile testing machine, includes the testboard, be provided with the support of vertical fixation on the testboard, its characterized in that: A sliding block capable of moving up and down is arranged on one side of the bracket, the sliding block is connected through a guide rail arranged on the bracket, a rotating motor is arranged at the top of the bracket, the output end of the rotating motor is connected with a rotating screw rod, the rotating screw rod penetrates through the middle part of the sliding block to rotate, and an external thread body for driving the sliding block to move on the guide rail is arranged on the outer side of the rotating screw rod; An upper clamping assembly used for clamping one end of the electric wire is connected to one side of the sliding block, the upper clamping assembly consists of an upper clamping bottom plate and an upper clamping panel, the upper clamping bottom plate is fixedly connected to the sliding block and moves along with the sliding block, the upper clamping panel is detachably attached to and fixed to one side of the upper clamping bottom plate, and an upper concave-convex surface matched with each other is arranged between the upper clamping bottom plate and the upper clamping panel; The lower clamping assembly is used in a matched mode and used for clamping the other end of the electric wire, the lower clamping assembly comprises a lower clamping bottom plate and a lower clamping panel, the lower clamping bottom plate is fixed on the test bench through a tension sensor, the lower clamping panel is detachably attached to and fixed on one side of the lower clamping bottom plate, and a concave-convex surface matched with each other is arranged between the lower clamping bottom plate and the lower clamping panel.
2. The wire tension tester according to claim 1, wherein the number of the guide rails is two, and the two guide rails are symmetrically distributed on two sides of the rotating screw.
3. The wire tension tester according to claim 1, wherein the output end of the rotating motor is connected with the rotating screw rod through a sleeve, and the output end of the rotating motor and the rotating screw rod are both provided with foolproof parts connected with the sleeve.
4. The wire tensile testing machine of claim 1, wherein a protruding portion is arranged on one side, away from the upper clamping assembly, of the sliding block, a screw hole for inserting a rotating screw rod is formed in the protruding portion, and an inner thread body matched with the outer thread body is arranged on the inner wall of the screw hole.
5. The machine for testing tension of electrical wires according to claim 1, wherein the upper clamping panel and the lower clamping panel are detachably connected with a plurality of locking members fixed to the corresponding clamping base plates.
6. The wire tension tester according to any one of claims 1-5, wherein a man-machine interface for controlling the rotation motor is provided on one side of the test bench.

Description

Wire tensile testing machine Technical Field The utility model relates to the technical field of tensile testing machines, in particular to an electric wire tensile testing machine. Background In the fields of production, quality detection and related scientific research of wires and cables, testing the tensile properties of wires is a vital task. The tensile property is directly related to the reliability and safety of the electric wire in actual use, so that the accurate and efficient test of the tensile property of the electric wire has extremely important practical significance. However, the existing wire tensile testing machine generally has a complex structure and operation flow, and some testing machines may also need to manually perform intervention of multiple steps, such as manually adjusting the clamping position, controlling the stretching speed, and the like, during the testing process, which not only increases the difficulty of operation, but also easily causes misoperation, and affects the accuracy and efficiency of the test. In addition, the clamping device of the existing tensile testing machine mostly adopts a simple clamping structure, and the friction force between the clamping panel and the clamping bottom plate is limited. When the electric wire is subjected to tensile test, the electric wire can easily slide or fall off in the clamping device along with the gradual increase of the tensile force. Once the wire falls off, not only can the test fail, but the tester can be damaged or potential safety hazards can be caused. Disclosure of utility model In order to overcome the defects of the prior art, the utility model provides an electric wire tensile testing machine, which can effectively solve the technical problems that the traditional electric wire tensile testing machine is troublesome to operate and the electric wire is easy to fall off after being clamped. The technical scheme adopted for solving the technical problems is as follows: The utility model provides an electric wire tensile testing machine, includes the testboard, be provided with the support of vertical fixation on the testboard, one side of support is provided with the slider that can reciprocate, and this slider passes through the guide rail connection that sets up on the support, the top of support is provided with the rotation motor, the output of rotation motor is connected with the rotation screw rod, the rotation screw rod passes the middle part rotation of slider, and is provided with the external screw thread body that drives the slider and remove on the guide rail in the outside of this rotation screw rod. An upper clamping assembly for clamping one end of the electric wire is connected to one side of the sliding block, the upper clamping assembly consists of an upper clamping bottom plate and an upper clamping panel, the upper clamping bottom plate is fixedly connected to the sliding block and moves along with the sliding block, the upper clamping panel is detachably attached to and fixed to one side of the upper clamping bottom plate, and an upper concave-convex surface which is matched with each other is arranged between the upper clamping bottom plate and the upper clamping panel. The lower clamping assembly is used in a matched mode and used for clamping the other end of the electric wire, the lower clamping assembly comprises a lower clamping bottom plate and a lower clamping panel, the lower clamping bottom plate is fixed on the test bench through a tension sensor, the lower clamping panel is detachably attached to and fixed on one side of the lower clamping bottom plate, and a concave-convex surface matched with each other is arranged between the lower clamping bottom plate and the lower clamping panel. Further, the number of the guide rails is two, and the two guide rails are symmetrically distributed on two sides of the rotating screw. Further, the output end of the rotating motor is connected with the rotating screw rod through a sleeve, and the output end of the rotating motor and the rotating screw rod are both provided with foolproof parts connected with the sleeve. Further, a protruding portion is arranged on one side, away from the upper clamping assembly, of the sliding block, a screw hole for inserting the rotating screw rod is formed in the protruding portion, and an inner thread body matched with the outer thread body is arranged on the inner wall of the screw hole. Further, the upper clamping panel and the lower clamping panel are detachably connected with a plurality of locking pieces fixed with the corresponding clamping bottom plates. Further, a man-machine interaction interface for controlling the rotating motor is arranged on one side of the test bench. Compared with the prior art, the utility model has the beneficial effects that: The wire tensile testing machine provided by the utility model has a simple structure, a user only needs to clamp and fix the two ends of a wire on the upp