CN219737024U - Bulb wire rope tensile test anchor clamps - Google Patents

Abstract

The utility model relates to a bulb steel wire rope tensile test clamp, which comprises a clamp mother plate and a bulb hanging device, wherein the clamp mother plate body comprises a clamping part and a rope winding part, the rope winding part is in a conical flat hole, a clamp daughter board is inserted into the conical flat hole of the rope winding part, the shape of the clamp daughter board is matched with that of the conical flat hole of the rope winding part, a steel wire rope penetrates into the big end of the conical flat hole of the rope winding part and then penetrates out from the small end of the conical flat hole around the periphery of the clamp daughter board, and the bulb end of the steel wire rope is connected with the bulb hanging device; when the strength of the steel wire rope with the ball head is tested, the steel wire rope A can be effectively protected from being damaged by the jaw of the testing equipment, and the tested ball head steel wire rope is effectively protected.

Description

Bulb wire rope tensile test anchor clamps

Technical Field

The utility model relates to a tensile strength testing device, in particular to a clamping device for testing tensile properties of a ball head steel wire rope, and belongs to the technical field of tensile strength testing.

Background

The ball head steel wire rope is a common structure for flexibly transmitting tensile force, the strength of the steel wire rope is mostly fuzzy in the common application, but the strength of the steel wire rope is required to be tested in a critical position to ensure absolute safety, generally, one end of the head of the steel wire rope is provided with the ball head structure, the other end of the head of the steel wire rope is not provided with the ball head to adapt to the length selection in assembly, and the jaw is used for clamping in the process of testing the tensile strength.

If the smooth jaw is adopted to clamp the steel wire rope, the steel wire rope is easy to slip, and the clamping is unreliable; if a rough jaw is used, the steel wire rope is damaged, and the jaw bites a plurality of steel wires to cause invalid test as friction force is increased in the stretching process; on the other hand, the ball head end of the steel wire rope cannot be directly clamped by the jaw of the testing machine in the testing process, so that the ball head is damaged to cause test failure. The clamping and hanging device is designed and used for clamping steel wire ropes of various ball heads in a tensile test, so that the phenomenon that the steel wires fall off or are bitten in the stretching process is avoided.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a ball head steel wire rope tensile test clamp which is used for carrying out strength tensile test on a steel wire rope without damage.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a bulb wire rope tensile test anchor clamps, includes anchor clamps mother board and bulb linkage, anchor clamps mother board body includes clamping part, wire rope portion is the toper flat hole, inserts anchor clamps subplate in wire rope portion toper flat hole, the anchor clamps subplate appearance with wire rope portion toper flat hole phase-match, wire rope penetrates wire rope portion toper flat hole big end back and winds again the peripheral follow toper flat hole tip of anchor clamps subplate wears out, wire rope ball end with bulb linkage.

Above-mentioned bulb wire rope tensile test anchor clamps, bulb linkage includes bulb joint portion and connecting portion, joint portion is the flat straight-bar that has the joint cap, connecting portion are hollow both sides open-ended columnar structure the up end of connecting portion sets up the bulb draw-in hole, the diameter of bulb draw-in hole is less than the bulb external diameter.

According to the ball head steel wire rope tensile test clamp, the rope winding part of the clamp mother board body is provided with the long holes, and the corresponding surface of the clamp daughter board is provided with at least 3 tooth shapes.

The utility model provides a bulb steel wire rope tensile test fixture, which comprises a fixture motherboard and a bulb suspension device, wherein the free end of a steel wire rope is rolled up to penetrate into the fixture motherboard, bypasses a fixture daughter board and then is placed into a conical flat hole of the fixture motherboard together with the fixture daughter board, is clamped by a conical surface between the fixture motherboard and the fixture daughter board, and is pulled more and more tightly without clamping the steel wire rope; the ball head end of the steel wire rope is clamped with the ball head, so that damage to the clamped steel wire rope is avoided. The phenomenon that the steel wire falls off or is clamped by the jaw to break the steel wire in the test process of the steel wire rope is effectively prevented, and the validity and the authenticity of test data are ensured. Meanwhile, the clamp is simple and quick to operate, so that the cost of an external test is reduced, and the working efficiency is improved. When the strength of the steel wire rope with the ball head is tested, the steel wire rope A can be effectively protected from being damaged by the jaw of the testing equipment, and the tested ball head steel wire rope is effectively protected.

Drawings

FIG. 1 is a schematic view of the present utility model in use;

FIG. 2 is a schematic diagram of the structure of the clamp motherboard;

FIG. 3 is a side view of FIG. 2;

FIG. 4 is a schematic view of a ball head suspension arrangement;

FIG. 5 is a side view of FIG. 4;

FIG. 6 is a C-C cross-sectional view;

FIG. 7 is a section view B-B;

fig. 8 is a D-direction view.

The reference numerals in the drawings are defined as follows:

a is a ball head steel wire rope; 1 is a clamp motherboard; 1-1 is a clamping portion; 1-2 is a rope winding part; 1-2-1 auxiliary holes; 2 is a fixture sub-board; 2-1 is a starting plate tooth; 3 is a ball head suspension device; 3-1 is a clamping part; 3-2 is a connecting portion; 3-3 are clamping holes.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and specific examples.

Referring to fig. 1, the utility model provides a bulb steel wire rope tensile test fixture, which comprises a fixture motherboard 1 and a bulb suspension device 3, wherein the free end of a steel wire rope A passes through a clamping hole 3-3 of the bulb suspension device 3, then the free end of the steel wire rope A is rolled into a convolution shape to penetrate into a small hole end of a conical flat hole of the fixture motherboard 1, a fixture daughter board 2 is placed into the annular steel wire rope A, so that the steel wire rope A winds around the periphery of the fixture daughter board 2, then penetrates from a large hole end of the conical flat hole of the fixture motherboard 1 along with the fixture daughter board 2, the steel wire rope is clamped by a conical surface between the two, and the steel wire rope is pulled more tightly without clamping the steel wire rope; then, the wire rope jig motherboard 1 preassembled under the test equipment is mounted to the test equipment together with the ball head suspension device 3 and the wire rope a, and the test can be started. The auxiliary hole 1-2-1 is arranged on the rope winding part 1-2 of the main body of the clamp mother board 1, and at least 3 toothed plate starting teeth 2-1 are arranged on the corresponding surface of the clamp daughter board 2, so that when the clamp daughter board 2 is too tight and is not easy to withdraw, a screwdriver is used for inserting from the auxiliary hole 1-2-1, and the clamp daughter board 2 and the tested steel wire rope A can be taken out by stirring the teeth of the plate starting teeth 2-1.

Referring to fig. 4, 5, 6, 7 and 8, the utility model provides a tensile testing fixture for a ball head steel wire rope, wherein the ball head hanging device 3 comprises a ball head clamping part 3-1 and a connecting part 3-2, the clamping part 3-1 is a flat straight rod provided with a clamping cap, the clamping cap is used for positioning a jaw of a testing device, the flat straight rod of the clamping part 3-1 is used for being clamped by the jaw of the testing device, the connecting part 3-2 is of a hollow columnar structure with two open sides, a ball head clamping hole 3-3 is formed in the upper end face of the connecting part 3-2, and the diameter of the ball head clamping hole 3-3 is smaller than the outer diameter of the ball head. The free end of the steel wire rope A penetrates through the hollow columnar structure with openings at two sides and then penetrates out of the ball joint hole 3-3, and then the ball end of the steel wire rope A can be clamped on the ball suspension device 3.

The utility model provides a tensile test fixture for a ball-head steel wire rope, which can effectively protect a steel wire rope A from being damaged by a jaw of a test device and effectively protect the tested ball-head steel wire rope when the strength of the steel wire rope with the ball head is tested.

Claims (3)

1. The utility model provides a bulb wire rope tensile test anchor clamps, its characterized in that includes anchor clamps mother board (1) and bulb linkage (3), anchor clamps mother board (1) body is including clamping part (1-1), wire winding portion (1-2) set up toper flat hole, inserts anchor clamps subplate (2) in wire winding portion (1-2) toper flat hole, anchor clamps subplate (2) appearance with the toper flat hole phase-match of wire winding portion (1-2), wire rope A penetrates wire winding portion (1-2) toper flat hole big end back is reeled out from toper flat hole tip in clamp subplate (2) periphery again, wire rope A's bulb end with bulb linkage (3).

2. The bulb steel wire rope tensile test fixture according to claim 1, wherein the bulb suspension device (3) comprises a bulb clamping portion (3-1) and a connecting portion (3-2), the clamping portion (3-1) is a flat straight rod with a clamping cap, the connecting portion (3-2) is of a hollow columnar structure with two open sides, a bulb clamping hole (3-3) is formed in the upper end face of the connecting portion (3-2), and the diameter of the bulb clamping hole (3-3) is smaller than the bulb outer diameter of the steel wire rope A.

3. A bulb wire rope tensile test fixture according to claim 1, characterized in that auxiliary holes (1-2-1) are provided in the rope winding part (1-2) of the fixture motherboard (1) body, and that at least 3 tooth shapes are provided at the corresponding surfaces of the fixture motherboard (2).