Wire tensile experiment clamp

Abstract

The utility model relates to a wire tensile experiment clamp, which belongs to the technical field of wire clamps, and comprises a fixed seat, a first fixed clamping part, a second fixed clamping part and a rotary clamping part, and the first fixed clamping part is fixed on the fixed seat; the second fixed clamping part and the first fixed clamping part are arranged at an interval and are fixed on the fixed seat; the rotary clamping part is located between the first fixed clamping part and the second fixed clamping part and rotationally connected to the fixed base, and a wire sequentially penetrates through gaps between the rotary clamping part and the first fixed clamping part and between the rotary clamping part and the second fixed clamping part. The rotary clamping part is configured to rotate in the first rotating direction and is provided with a first clamping position and a second clamping position which clamp the wire rod together with the first fixed clamping part and the second fixed clamping part at the same time. According to the utility model, when the wire harness sequentially passes through the gaps between the rotary clamping part and the first fixed clamping part and between the rotary clamping part and the second fixed clamping part, the rotary clamping part is rotated, and the gaps between the rotary clamping part and the first fixed clamping part and between the rotary clamping part and the second fixed clamping part are reduced at the same time, thereby preventing the wire rod from being damaged due to excessively concentrated clamping stress, and improving the firmness of wire rod clamping.

Description

TECHNICAL FIELD

[0001] The utility model relates to wire clamp technical field, especially in wire stretching experiment clamp. BACKGROUND

[0002] In modern industry, in order to ensure that the wire used can cope with various different production and living environment, the bending fatigue and aging of wire need to be tested to obtain corresponding data, and wire stretching testing machine exists for this purpose. With the modern digital products such as blazing fire burning through global market, manufacturers and related test equipment providers are also in the research and development of fire, to ensure that the test equipment developed can guarantee the safety and quality of modern products. The material, type and size of the existing power cord and data cable are various, and the wire clamp of the existing wire stretching testing machine in China can not meet the higher standard test requirements of contemporary test engineers for power cord or connector line.

[0003] At present, the main wire clamp, for example, patent number CN217513690U, patent name is a carbon steel wire processing clamp, and for example, patent number CN204450278U, patent name is a wire sample direct reading spectrometer clamp, all adopt single clamp to carry out clamping operation, although it can play a certain clamping effect, but wire sliding condition is prone to occur, at the same time, since the existing wire clamp all adopts the clamping mode of plane and plane or curved surface and curved surface, not only leads to insufficient wire clamping force, causes wire sliding, but also leads to excessive concentration of wire clamping force, causes partial wire fracture, makes test result invalid.

[0004] Therefore, how to design a wire stretching experimental wire clamp with simple structure, convenient operation, high clamping force and dispersed clamping force is a problem to be solved by those skilled in the art. Utility model content

[0005] The utility model provides a wire stretching experimental clamp, solves the technical problem that the existing wire clamp clamping force is too concentrated and is prone to sliding and fracture.

[0006] The technical scheme for solving the above technical problem is as follows: a wire stretching experimental clamp, comprising: a fixed seat, a first fixed clamping part, a second fixed clamping part and a rotating clamping part,

[0007] The first fixed clamping part is fixed on the fixed seat; the second fixed clamping part is arranged at intervals with the first fixed clamping part and is fixed on the fixed seat; the rotating clamping part is located between the first fixed clamping part and the second fixed clamping part and is rotationally connected on the fixed seat, and the wire is sequentially threaded through the rotating clamping part and the gap between the first fixed clamping part and the second fixed clamping part, and the rotating clamping part is configured to have the first clamping position and the second clamping position in the first rotating direction, which simultaneously clamps the wire with the first fixed clamping part and the second fixed clamping part.

[0008] The utility model discloses beneficial effect is: improve traditional wire clamp structure, and the rotating clamping part is arranged between the first fixed clamping part and the second fixed clamping part and is rotationally connected on the fixed seat, and because the rotating clamping part is configured to have the first clamping position and the second clamping position in the first rotating direction, which simultaneously clamps the wire with the first fixed clamping part and the second fixed clamping part, when the wire is sequentially threaded through the rotating clamping part and the gap between the first fixed clamping part and the second fixed clamping part, the rotating clamping part is rotated, and the gap between the rotating clamping part and the first fixed clamping part and the second fixed clamping part is simultaneously reduced, avoiding that the clamping stress is too concentrated and damaging the wire, improving the firmness of wire clamping, and improving the accuracy of wire tensile test.

[0009] On the basis of the above technical scheme, the utility model still can make following improvement.

[0010] Further, the side surface opposite to the rotating clamping part of the first fixed clamping part is a plane, and the side surface opposite to the first fixed clamping part of the rotating clamping part is an arc surface.

[0011] The further beneficial effect is that the arc surface and the plane are used to clamp the wire, replacing the clamping mode of the traditional plane and plane clamping or the curved surface and curved surface clamping, so that the clamping force of the wire can be improved.

[0012] Further, the side surface opposite to the rotating clamping part of the first fixed clamping part is a plane, and the side surface opposite to the first fixed clamping part of the rotating clamping part is an arc surface.

[0013] Further, the side surface opposite to the rotating clamping part of the first fixed clamping part is a plane, and the side surface opposite to the first fixed clamping part of the rotating clamping part is an arc surface.

[0014] Further, the anti-skid assembly comprises a plurality of first teeth fixed at the outer circumferential side of the second fixed clamping part and a plurality of second teeth fixed at the groove bottom of the limiting groove, and the plurality of second teeth are arranged in staggered positions with the plurality of first teeth after the second fixed clamping part extends into the limiting groove.

[0015] The first teeth fixed at the outer circumferential side of the limiting part and the second teeth fixed at the groove bottom of the limiting groove are staggered, which can avoid the wire from sliding during clamping, and improve the firmness and stability of wire clamping.

[0016] Further, the rotating clamping part is a clamping disc eccentrically connected to the fixed seat, and the first rotating direction is counterclockwise.

[0017] Further, the side surface of the rotating clamping part is provided with an accommodating groove for accommodating the wire, and the accommodating groove is communicated with the limiting groove.

[0018] The wire is accommodated in the accommodating groove, which can avoid the wire from shaking during stretching, improve the firmness of wire clamping, and improve the accuracy of wire stretching test.

[0019] Further, the groove width of the accommodating groove is 10-30 mm.

[0020] Further, the connecting assembly comprises a fixed block and a connecting plate, the fixed block is located on one side of the rotating clamping part and fixed on the first fixed clamping part and the fixed seat, and the side of the fixed block away from the rotating clamping part is provided with a threaded hole; the connecting plate is fixed with a threaded stud, and the threaded stud is threadedly connected in the threaded hole.

[0021] Further, the fixed seat, the first fixed clamping part, the rotating clamping part and the limiting part are made of stainless steel material. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is an assembly structure schematic view of the wire stretching experimental clamp.

[0023] Figure 2 It is a split structure schematic view of the wire stretching experimental clamp.

[0024] Figure 3 It is a structure schematic view of the wire stretching experimental clamp clamping the wire.

[0025] Figure 4 It is a structure schematic view of the wire stretching experimental clamp releasing the wire.

[0026] Figure 5 It is the stereogram of the second fixed clamping part in the wire rod tensile test fixture.

[0027] In the drawings, the component list represented by each sign is as follows:

[0028] 1, fixed seat, 2, first fixed clamping part, 3, second fixed clamping part, 4, rotating clamping part, 41, limit groove, 42, containing groove, 5, wire rod, 6, anti-skid assembly, 61, first tooth, 62, second tooth, 7, connecting assembly, 71, fixed block, 711, threaded hole, 72, connecting plate, 73, stud. DETAILED DESCRIPTION

[0029] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and not to limit the scope of the utility model.

[0030] As shown in Figure 1 A wire rod tensile test fixture, comprising: a fixed seat 1, a first fixed clamping part 2, a second fixed clamping part 3 and a rotating clamping part 4,

[0031] The first fixed clamping part 2 is fixed on the fixed seat 1, the second fixed clamping part 3 is arranged at intervals with the first fixed clamping part 2 and is fixed on the fixed seat 1; the rotating clamping part 4 is located between the first fixed clamping part 2 and the second fixed clamping part 3 and is rotatably connected on the fixed seat 1, the wire rod 5 passes through the gap between the rotating clamping part 4, the first fixed clamping part 2 and the second fixed clamping part 3 in sequence, and the rotating clamping part 4 is configured to have a first clamping position and a second clamping position for simultaneously clamping the wire rod 5 along a first rotating direction with the first fixed clamping part 2 and the second fixed clamping part 3.

[0032] In some embodiments, the side surface of the first fixed clamping part 2 opposite to the rotating clamping part 4 can be a plane, and the side surface of the rotating clamping part 4 opposite to the first fixed clamping part 2 can be an arc surface.

[0033] In some embodiments, the side surface of the rotating clamping part 4 opposite to the second fixed clamping part 3 can be provided with a limit groove 41, and the second fixed clamping part 3 can extend into the limit groove 41 with the rotation of the rotating clamping part 4.

[0034] In some embodiments, the limit groove 41 can be an arc groove structure arranged along the rotating direction of the rotating clamping part 4; and the second fixed clamping part 3 can be a columnar structure parallel to the rotating axis of the rotating clamping part 4.

[0035] In some specific embodiments, an anti-skid assembly 6 can be further included, which comprises a plurality of first teeth 61 and a plurality of second teeth 62, the plurality of first teeth 61 are fixed at the outer circumferential side of the second fixed clamping part 3 at intervals; the plurality of second teeth 62 are fixed at the groove bottom of the limiting groove 41, and the plurality of second teeth 62 can be arranged at intervals with the plurality of first teeth 61 after the second fixed clamping part 3 extends into the limiting groove 41.

[0036] In some specific embodiments, the rotating clamping part 4 can be a clamping disc, which is eccentrically connected to the fixed seat 1, and the first rotating direction is counterclockwise.

[0037] In some specific embodiments, the side of the rotating clamping part 4 can be provided with an accommodating groove 42 for accommodating the wire 5, and the accommodating groove 42 is communicated with the limiting groove 41.

[0038] Specifically, the groove width of the accommodating groove 42 can be 10-30mm.

[0039] In some specific embodiments, a connecting assembly 7 can be further included, which comprises a fixed block 71 and a connecting plate 72, the fixed block 71 is located at one side of the rotating clamping part 4 and is fixed on the first fixed clamping part 2 and the fixed seat 1, and a threaded hole 711 is arranged on the side of the fixed block 71 away from the rotating clamping part 4; the connecting plate 72 is fixed with a stud 73, and the stud 73 is threadedly connected in the threaded hole 711.

[0040] In some specific embodiments, the fixed seat 1, the first fixed clamping part 2, the second fixed clamping part 3 and the rotating clamping part 4 can all be made of stainless steel.

[0041] The above is only the preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A wire tensile test fixture, characterized by, The utility model relates to a wire fixing device, including: Fixed seat (1), First fixed clamping part (2), first fixed clamping part (2) is fixed on fixed seat (1), Second fixed clamping part (3), second fixed clamping part (3) is arranged with first fixed clamping part (2) interval and is fixed on fixed seat (1), Rotary clamping part (4), rotary clamping part (4) is located between first fixed clamping part (2) and second fixed clamping part (3) and is rotatably connected on fixed seat (1), wire (5) passes through the clearance between rotary clamping part (4) and first fixed clamping part (2) and second fixed clamping part (3) in turn, rotary clamping part (4) is configured to its along first rotary direction rotation has with first fixed clamping part (2) and second fixed clamping part (3) simultaneously clamps wire (5) first clamping position and second clamping position.

2. The wire tensile test fixture of claim 1, wherein, The side of first fixed clamping part (2) opposite to rotary clamping part (4) is a plane, and the side of rotary clamping part (4) opposite to first fixed clamping part (2) is an arc surface.

3. The wire tensile test fixture of claim 1, wherein, The side of rotary clamping part (4) opposite to second fixed clamping part (3) is provided with a limiting groove (41), and second fixed clamping part (3) can extend into limiting groove (41) with the rotation of rotary clamping part (4).

4. The wire tensile test fixture of claim 3, wherein, The limiting groove (41) is an arc-shaped groove structure arranged along the rotation direction of rotary clamping part (4), and second fixed clamping part (3) is a columnar structure parallel to the rotation axis of rotary clamping part (4).

5. The wire tensile test fixture of claim 3, wherein, It also includes an anti-skid assembly (6) comprising a plurality of first teeth (61) and a plurality of second teeth (62), a plurality of first teeth (61) are fixed on the outer circumferential side of second fixed clamping part (3) at intervals, a plurality of second teeth (62) are fixed on the groove bottom of limiting groove (41) at intervals, and a plurality of second teeth (62) can be arranged in a staggered manner with a plurality of first teeth (61) after extending into limiting groove (41) with second fixed clamping part (3).

6. The wire tensile test fixture of claim 1, wherein, Rotary clamping part (4) is a clamping disc eccentrically connected to fixed seat (1), and the first rotation direction is counterclockwise.

7. The wire tensile test fixture of claim 3, wherein, The side of rotary clamping part (4) is provided with a containing groove (42) for containing wire (5), and the containing groove (42) is communicated with limiting groove (41).

8. The wire tensile test fixture of claim 7, wherein, The groove width of containing groove (42) is 10-30 mm.

9. The wire tensile test fixture of claim 1, wherein, It also includes a connecting assembly (7) comprising a fixed block (71) and a connecting plate (72), the fixed block (71) is located on one side of rotary clamping part (4) and is fixed on first fixed clamping part (2) and fixed seat (1), the side of fixed block (71) away from rotary clamping part (4) is provided with a threaded hole (711), the connecting plate (72) is fixed with a stud (73), and the stud (73) is threadedly connected in the threaded hole (711).

10. The wire tensile test fixture of claim 1, wherein, The fixed seat (1), the first fixed clamping part (2), the second fixed clamping part (3) and the rotating clamping part (4) are made of stainless steel material.

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