CN201170764Y

CN201170764Y - Wirerod clamping yoke

Info

Publication number: CN201170764Y
Application number: CNU2008200428940U
Authority: CN
Inventors: 林楚耿
Original assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Current assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Priority date: 2008-01-11
Filing date: 2008-01-11
Publication date: 2008-12-24
Anticipated expiration: 2018-01-11

Abstract

The utility model provides a wire clamp, which is used on a material tensile testing machine. The wire clamp comprises a fixing block, a coiling fixer and a fastener. A through regulating port is arranged on the fixing block, and extends in one direction. The fastener passes through the regulating port, and is fixed on the coiling fixer and the fixing block. By adopting the wire clamp, the relevant positions of the fastener in the regulating port are adjusted to drive the coiling fixer to move correspondingly so that wires on the coiling fixer move and the center line of the force on the wires coincides with the center line of the force applied on the wires by the material tensile testing machine when tension tests are conducted on wires with various sizes. The wire clamp provided by the utility model is applicable for tension tests on wires with different diameters.

Description

Wire clamp

Technical field

The utility model relates to a kind of wire clamp, relates in particular to a kind of wire clamp that is used for the wire stretching test.

Background technology

When wire rod is carried out tension test, usually wire rod is clamped on the anchor clamps of material stretch test machine.And that the anchor clamps of wire gripper have is multiple, wherein commonly used a kind of be the wound form anchor clamps.When wire rod being clamped on the wound form anchor clamps, earlier the end with wire rod is fixed on the end face of coiling fixator, again wire rod is wrapped on the coiling fixator, and the fixing other end of wire rod and strain wire rod at last, thus carry out the tension test of wire rod.

But above-mentioned wound form anchor clamps design at the wire rod of special diameter, so it is being used for wire stretching when test, can makes center of effort's line of wire rod and the Material Testing Machine central lines to the wire rod application of force, thereby obtain correct test figure.Yet when the diameter of wire rod changed, center of effort's line of wire rod did not overlap with the center line of testing machine to the wire rod application of force, and the power that wire rod bore is a component of power that testing machine applies, thus test figure deviation to some extent.So above-mentioned existing wound form anchor clamps can not carry out the wire stretching test of various diameters.

The utility model content

The purpose of this utility model is to provide a kind of wire clamp at the defective that prior art exists, and this wire clamp can carry out the wire stretching test to the wire rod of different-diameter.

For achieving the above object, the wire clamp that provides of the utility model comprises a fixed block, a coiling fixator and a fixture.Run through offering an adjustment hole along direction extension on the described fixed block, described fixture passes adjustment hole and is fixed on coiling fixator and the fixed block.

As mentioned above, the utility model wire clamp can be done the position that the coiling fixator is regulated in corresponding position with fixture according to the size of gauge or diameter of wire in adjustment hole, make the wire rod of coiling on the fixator along with moving, thereby make the center line of wire rod and Material Testing Machine central lines to the wire rod application of force, therefore the utility model wire clamp effectively overcomes the test figure deviation, can carry out tension test to the wire rod of different-diameter.

Description of drawings

In Figure of description

Fig. 1 is the three-dimensional exploded view of a kind of embodiment of the utility model wire clamp.

Fig. 2 is the three-dimensional combination figure of wire clamp shown in Figure 1.

Fig. 3 is the synoptic diagram that wire clamp shown in Figure 1 is used for tension test, and wherein wire clamp has removed scale.

The description of reference numerals of each assembly is as follows among the figure:

Wire clamp 1 fixed block 11

Dull and stereotyped 111 adjustment holes 112

Fixed head 113 baffle plates 114

Screw hole 115 grooves 116

Diapire 1161 coiling fixators 12

First surface 121 second surfaces 122

Arc surface 123 gathering sills 1231

Through hole 124 cuts mouth 125

Fixture 13 fixed parts 131

Scale 14 fixed orifices 141

Retaining piece 15 flights 151

Fixed screw 16 location spiral shells 17

Wire rod 2

Embodiment

By describing technology contents of the present utility model, structural attitude in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.

See also Fig. 1, the utility model wire clamp 1 is used for the material stretch test machine (not shown), and it comprises fixed block 11, coiling fixator 12 and fixture 13.

Fixed block 11 comprises a flat board 111.Dull and stereotyped 111 opposite end vertically extends a fixed head 113 and a baffle plate 114 to the same side of this flat board 111 respectively, offers screw hole 115 on the fixed head 113.Dull and stereotyped 111 dorsad the direction of upper edge, the side parallel dead plate 113 of fixed head 113 and baffle plate 114 and baffle plate 114 offer the groove 116 of a vertical bar shaped.One adjustment hole 112 runs through the flat board 111 of fixed block 11 from the diapire 1161 of groove 116, and adjustment hole 112 is a slotted hole and extends along the length direction of groove 116.

Please consult Fig. 1 and Fig. 2 again, the coiling fixator 12 roughly be cylindric, its have opposite first 121 and second surface 122 and be connected first surface 121 and second surface 122 between arc surface 123.Coiling offers a through hole 124 that runs through first surface 121 and second surface 122 on the fixator 12, the diameter of one end of through hole 124 close first surfaces 121 is less than its diameter near an end of second surface 122, thus, the end that diameter is little is accommodated set screw 17.Coiling fixator 12 offers spiral helicine gathering sill 1231 on its arc surface 123, the cross section of gathering sill 1231 is triangular in shape.Coiling fixator 12 offers one and cuts mouthfuls 125 in the junction of second surface 122 and arc surface 123, cut mouthfuls 125 and connect with described baffle plate 114, so that coiling fixator 12 is can Yin Lali in tension test not excessive and roll.

Described fixture 13 has a fixed part 131, and in the present embodiment, fixture 13 is a screw.Fixed part 131 passes and enters the big end of diameter of through hole 124 behind the adjustment hole 112 of fixed block 11 and the fixator 12 that will wind the line is fixed on the fixed block 11.

In addition, the utility model wire clamp 1 also comprises a scale 14 and a retaining piece 15.The width of scale 14 is slightly less than the width of groove 116, and scale 14 1 ends offer a fixed orifice 141.Scale 14 places in the groove 116 and is enclosed within by fixed orifice 141 on the fixed part 131 of fixture 13.Retaining piece 15 1 ends offer flight 151, one fixed screw 16 passes in dull and stereotyped 11 screw hole 115 and the DRIVE SCREWS groove 151 and retaining piece 15 is fixed on the fixed block 11, and the other end of retaining piece 15 is fixed on the connecting rod (not shown) of material stretch test machine.

See also Fig. 1 and Fig. 3, when wire rod is carried out tension test, two wire clamps 1 are separately fixed on the respective link of material stretch test machine.The end that one end of wire rod 2 and a location screw 17 are had a second surface 122 from the coiling fixator 12 of wire clamp 1 in the lump screws in the through hole 124 and screws, again wire rod 2 is wrapped in the gathering sill 1231 of coiling fixator 12, in the same way the other end of wire rod 2 is twined and is fixed on then on the coiling fixator 12 of another wire clamp 1 and carry out tension test then.Size according to these wire rod 2 diameters, with reference to the scale on the scale 14 adjust fixture 13 in adjustment hole 112 the relevant position and move corresponding coiling fixator 12, so that the central axes that stressed center line of wire rod 2 and fixed block 11 are fixed on material stretch test machine, in the present embodiment, the center line that wire rod 2 is stressed and the central axes of retaining piece 15, thus the test findings that makes the wire stretching test is accurately and reliably.In addition, because the cross section of gathering sill 1231 is triangular in shape, so wire rod 2 can be stable is stuck in this gathering sill 1231 avoiding and is moved in gathering sill 1231 in process of the test, thereby improve the degree of accuracy that test measures.

Claims

1. a wire clamp comprises a fixed block, a coiling fixator and a fixture, it is characterized in that: run through offering an adjustment hole along direction extension on the described fixed block, described fixture passes adjustment hole and is fixed on coiling fixator and the fixed block.

2. wire clamp according to claim 1 is characterized in that: described adjustment hole is a slotted hole.

3. wire clamp according to claim 1 is characterized in that: described coiling fixator has an arc surface, and the coiling fixator offers cross section gathering sill triangular in shape on arc surface.

4. wire clamp according to claim 1 is characterized in that: offer on the described coiling fixator and cut mouth, described fixed block has a flat board, and flat board vertically is extended with a baffle plate to a side, and described baffle plate stretches into and cuts in the mouth.

5. wire clamp according to claim 4, it is characterized in that: offer groove on the side of described flat board, described adjustment hole runs through dull and stereotyped from the diapire of groove, and described wire clamp further comprises a scale, and described scale places in the groove and is fixed on the fixture.