CN203365238U - Split type steel strand clamp - Google Patents
Split type steel strand clamp Download PDFInfo
- Publication number
- CN203365238U CN203365238U CN 201320487602 CN201320487602U CN203365238U CN 203365238 U CN203365238 U CN 203365238U CN 201320487602 CN201320487602 CN 201320487602 CN 201320487602 U CN201320487602 U CN 201320487602U CN 203365238 U CN203365238 U CN 203365238U
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- intermediate plate
- steel strand
- sample
- circular arc
- strand wires
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a split type steel strand clamp which comprises a pair of clamp bases which is folded and matched for clamping steel strand samples, wherein a sample through hole of a semi-cylindrical surface is formed in a working surface of each clamp base; a clamping piece installation groove of the semi-cylindrical surface is formed in the middle section of the sample through hole; a pair of arc clamping pieces with central angles of 90 degrees is embedded in the clamping piece installation groove; and transvers meshing teeth are arranged on the inner walls of the arc clamping pieces. When the pair of the clamp bases is folded, the two pairs of the arc clamping pieces in the bases are combined into an arc clamping body surrounding the steel strand samples. The split type steel strand clamp is simple in structure and convenient to use, the contact areas of a steel strand clamping part and the samples are large, and the steel strand samples can be clamped directly for testing without being subjected to special treatment; and the replacement cost is low, labor and materials are saved, the test cost is decreased greatly, and a promotion value is provided.
Description
Technical field
The utility model relates to the metal material elongation tester fixture, refers to particularly a kind of dissection type steel stranded wire clamper.
Background technology
The steel strand wires sample need to be used tabular fixture when tension test, and the center of tabular fixture generally has " V " shape groove, and grinding tooth is arranged in groove, makes the steel strand wires sample non-slip in the tension test process.The steel strand wires sample is by many stranded the forming of steel wire, if adopt " V " shape frid shape fixture directly to clamp steel strand wires while testing, the problems such as the easy invar silk of process of the test unbalance stress make test failure; Therefore the steel strand wires sample all needs to carry out special processing before upper machine test, for example at the steel strand wires two ends, is held after position adheres to emery, wrapped aluminium sheet and carries out tension test again; Or adopt hot melt low-temperature alloy (or potting resin) that the steel strand wires sample is held after position is whole pole shape to carry out again tension test.Yet, adopt that the operation of these methods is extremely inconvenient and experimentation cost is high.
Summary of the invention
The purpose of this utility model will provide a kind of simple and practical, easy to operate dissection type steel stranded wire clamper exactly.
For achieving the above object, the dissection type steel stranded wire clamper that the utility model is designed, comprise a pair of for closing up the clamp base coordinated with clamping steel strand wires sample, its special character is, be provided with the sample of semi-cylindrical on the workplace of described clamp base through hole, described sample is provided with the intermediate plate mounting groove of semi-cylindrical through the stage casing in hole, the circular arc intermediate plate that to be equipped with a pair of central angle in described intermediate plate mounting groove be 90 °, and the inwall of described circular arc intermediate plate is provided with horizontal grinding tooth; When a pair of clamp base is closed up, its interior two pairs of circular arc intermediate plates are combined into one the steel strand wires sample are enclosed in to annulus cramping body wherein.
Further, in the semicircle step that described intermediate plate mounting groove two ends and sample form through hole intersection, have at least semicircle step inboard, a place to be provided with the intermediate plate detent, the end of described circular arc intermediate plate is provided with the intermediate plate positioning convex ring with intermediate plate detent corresponding matching.The configuration of intermediate plate detent and intermediate plate positioning convex ring makes the circular arc intermediate plate firmly be arranged on intermediate plate mounting groove inside.
Further, the rectangular triangular structure of the profile of tooth of described horizontal grinding tooth, one of them perpendicular edge is perpendicular to the axis of steel strand wires sample, and towards the center of steel strand wires sample.The grinding tooth of right-angle triangle profile of tooth has interlock effect preferably.
Further, the wall thickness of described circular arc intermediate plate is for being not less than 7mm, and effectively clamping length is greater than half of the steel strand wires sample lay pitch.Effective clamping length of circular arc intermediate plate refers to that the circular arc intermediate plate has the length of grinding tooth, its length be greater than the steel strand wires lay pitch half there is better clamping effect.
Further, the internal diameter of described circular arc intermediate plate is than the little 0.5 ~ 1.5mm of the diameter of steel strand wires sample.The diameter that the internal diameter of circular arc intermediate plate is slightly less than steel strand wires makes interlock tightr, has better clamping effect.
The utility model is for steel strand tensile tests; need to use cupping machine while carrying out tension test; two cover clamping mechanisms of cupping machine are used for respectively clamping the two ends of steel strand wires sample, every cover clamping mechanism by two cover changeable clamp bases, close up mechanism and corresponding hydraulic pushing device forms.During tension test, first the circular arc intermediate plate is arranged in the intermediate plate mounting groove of clamp base, then close up clamping device, the circular arc intermediate plate that the two ends of steel strand wires sample are fixed on clamp base clamps with certain tension force, then apply pulling force steel strand wires are broken, with the resistance to tension of tested steel twisted wire sample.
Dissection type steel stranded wire clamper provided by the utility model, simple in structure, easy to use, the sample holder position is arc-shaped slot, with " V " shape groove, compares, retaining part and sample contact area are much bigger, therefore the steel strand wires sample can not carry out special processing and directly clamping test, and the clamping device of cupping machine belongs to consumable accessory, and circular arc intermediate plate volume is much smaller than tabular fixture, replacement cost is cheap, labor and material saving, significantly reduce experimentation cost, has promotional value.
The accompanying drawing explanation
The main TV structure schematic diagram that Fig. 1 is a kind of dissection type steel stranded wire clamper of the utility model;
The structural representation that Fig. 2 is circular arc intermediate plate in Fig. 1;
The structure for amplifying schematic diagram that Fig. 3 is I place in Fig. 2;
The structural representation that Fig. 4 is clamp base in Fig. 1;
The use status architecture schematic diagram that Fig. 5 is Fig. 1.
In figure: circular arc intermediate plate 1, clamp base 2, horizontal grinding tooth 3, intermediate plate positioning convex ring 4, sample is through hole 5, intermediate plate mounting groove 6, intermediate plate detent 7, steel strand wires sample 8, semicircle step 9.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Dissection type steel stranded wire clamper as shown in Figures 1 to 5, comprise a pair of for closing up the clamp base 2 coordinated with clamping steel strand wires sample 8, be provided with the sample of semi-cylindrical on the workplace of clamp base 2 through hole 5, sample is provided with the intermediate plate mounting groove 6 of semi-cylindrical through the stage casing in hole 5, the circular arc intermediate plate 1 that to be equipped with a pair of central angle in intermediate plate mounting groove 6 be 90 °, the inwall of circular arc intermediate plate 1 is provided with horizontal grinding tooth 3.The horizontal rectangular triangular structure of profile of tooth of grinding tooth 3, one of them perpendicular edge is perpendicular to the axis of steel strand wires sample 8, and towards the center of steel strand wires sample 8.The wall thickness of circular arc intermediate plate 1 is for being not less than 7mm, and effectively clamping length is greater than half of steel strand wires sample 8 lay pitch.The internal diameter of circular arc intermediate plate 1 is than the little 0.5 ~ 1.5mm of the diameter of steel strand wires sample 8.When a pair of clamp base 2 is closed up, its interior two pairs of circular arc intermediate plates 1 are combined into one steel strand wires sample 8 are enclosed in to annulus cramping body wherein.In the semicircle step 9 that intermediate plate mounting groove 6 two ends and sample form through hole 5 intersections, have at least semicircle step 9 inboards, a place to be provided with intermediate plate detent 7, the end of circular arc intermediate plate 1 is provided with the intermediate plate positioning convex ring 4 with intermediate plate detent 7 corresponding matching.
For example, while carrying out steel strand tensile tests, sample is the prestressed steel strand wires of 1 * 7-15.24mm, and the steel strand wires lay pitch is 220mm, for the thickness 8mm of this sample design circular arc intermediate plate 1, interior ring diameter 14.8mm(steel strand wires minimum diameter 15mm), effectively clamping length is 130mm, (the maximum lay pitch 15mm of steel strand wires), laterally, about the tooth pitch 1mm of grinding tooth 3, tooth depth is not less than 0.5mm, profile of tooth is right-angle triangle, tooth face hardness HRC60 above (steel strand wires intensity is not less than 1960MPa).Cupping machine by two removable clamp base, close up mechanism and corresponding hydraulic pushing device forms.Process respectively sample through hole 5 and intermediate plate mounting groove 6 on two clamp base 2 of every cover clamping mechanism, intermediate plate detent 7 in the intermediate plate positioning convex ring of circular arc intermediate plate 14 line-up jig base 2 upper clip mounting grooves 6 is inserted, two circular arc intermediate plates 1 of the interior installation of each intermediate plate mounting groove 6, every cover clamps in mechanism installs four circular arc intermediate plates 1.Two clamp base 2 of closing up clamping device during test, the circular arc intermediate plate 1 that the two ends of steel strand wires sample are fixed on respectively on clamp base 2 clamps with certain tension force, horizontal grinding tooth 3 and the interlock of steel strand wires sample of circular arc intermediate plate 1, then apply pulling force sample is broken, with the resistance to tension of tested steel twisted wire sample.
Claims (9)
1. a dissection type steel stranded wire clamper, comprise a pair of for closing up the clamp base (2) coordinated with clamping steel strand wires samples (8), it is characterized in that: be provided with the sample of semi-cylindrical on the workplace of described clamp base (2) through hole (5), described sample is provided with the intermediate plate mounting groove (6) of semi-cylindrical through the stage casing in hole (5), the circular arc intermediate plate (1) that to be equipped with a pair of central angle in described intermediate plate mounting groove (6) be 90 °, the inwall of described circular arc intermediate plate (1) is provided with horizontal grinding tooth (3); When a pair of clamp base (2), while closing up, its interior two pairs of circular arc intermediate plates (1) are combined into one steel strand wires sample (8) are enclosed in to annulus cramping body wherein.
2. dissection type steel stranded wire clamper according to claim 1, it is characterized in that: in the semicircle step (9) that described intermediate plate mounting groove (6) two ends and sample form through hole (5) intersection, have at least semicircle step (9) inboard, a place to be provided with intermediate plate detent (7), the end of described circular arc intermediate plate (1) is provided with the intermediate plate positioning convex ring (4) with intermediate plate detent (7) corresponding matching.
3. dissection type steel stranded wire clamper according to claim 1 and 2, it is characterized in that: the rectangular triangular structure of profile of tooth of described horizontal grinding tooth (3), one of them perpendicular edge is perpendicular to the axis of steel strand wires sample (8), and towards the center of steel strand wires sample (8).
4. dissection type steel stranded wire clamper according to claim 1 and 2 is characterized in that: the wall thickness of described circular arc intermediate plate (1) is for being not less than 7mm, and effectively clamping length is greater than half of steel strand wires sample (8) lay pitch.
5. dissection type steel stranded wire clamper according to claim 3 is characterized in that: the wall thickness of described circular arc intermediate plate (1) is for being not less than 7mm, and effectively clamping length is greater than half of steel strand wires sample (8) lay pitch.
6. dissection type steel stranded wire clamper according to claim 1 and 2, it is characterized in that: the internal diameter of described circular arc intermediate plate (1) is than the little 0.5 ~ 1.5mm of diameter of steel strand wires sample (8).
7. dissection type steel stranded wire clamper according to claim 3, it is characterized in that: the internal diameter of described circular arc intermediate plate (1) is than the little 0.5 ~ 1.5mm of diameter of steel strand wires sample (8).
8. dissection type steel stranded wire clamper according to claim 4, it is characterized in that: the internal diameter of described circular arc intermediate plate (1) is than the little 0.5 ~ 1.5mm of diameter of steel strand wires sample (8).
9. dissection type steel stranded wire clamper according to claim 5, it is characterized in that: the internal diameter of described circular arc intermediate plate (1) is than the little 0.5 ~ 1.5mm of diameter of steel strand wires sample (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320487602 CN203365238U (en) | 2013-08-09 | 2013-08-09 | Split type steel strand clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320487602 CN203365238U (en) | 2013-08-09 | 2013-08-09 | Split type steel strand clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203365238U true CN203365238U (en) | 2013-12-25 |
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ID=49812984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320487602 Expired - Fee Related CN203365238U (en) | 2013-08-09 | 2013-08-09 | Split type steel strand clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203365238U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923579A (en) * | 2015-07-04 | 2015-09-23 | 苏州塔可盛电子科技有限公司 | Clamp for seamless steel pipe drawing machine |
| CN107923829A (en) * | 2015-09-03 | 2018-04-17 | 株式会社大赛璐 | The assay method of bonding strength |
| CN109765095A (en) * | 2019-03-13 | 2019-05-17 | 贵州钢绳股份有限公司 | Directly with the fixture of fixture clamping 30~45mm diameter steel cord stretching test method |
-
2013
- 2013-08-09 CN CN 201320487602 patent/CN203365238U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923579A (en) * | 2015-07-04 | 2015-09-23 | 苏州塔可盛电子科技有限公司 | Clamp for seamless steel pipe drawing machine |
| CN107923829A (en) * | 2015-09-03 | 2018-04-17 | 株式会社大赛璐 | The assay method of bonding strength |
| US10837886B2 (en) | 2015-09-03 | 2020-11-17 | Daicel Corporation | Connection strength measurement method |
| CN107923829B (en) * | 2015-09-03 | 2021-06-22 | 株式会社大赛璐 | Method for measuring connection strength |
| CN109765095A (en) * | 2019-03-13 | 2019-05-17 | 贵州钢绳股份有限公司 | Directly with the fixture of fixture clamping 30~45mm diameter steel cord stretching test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20170809 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |