CN107677540A - A kind of strain clamp failure load test fixture and its making test method - Google Patents
A kind of strain clamp failure load test fixture and its making test method Download PDFInfo
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- CN107677540A CN107677540A CN201710829791.2A CN201710829791A CN107677540A CN 107677540 A CN107677540 A CN 107677540A CN 201710829791 A CN201710829791 A CN 201710829791A CN 107677540 A CN107677540 A CN 107677540A
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- gripping sleeve
- strain clamp
- clamp
- steel wire
- wire rope
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- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 238000010998 test method Methods 0.000 title claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- 239000000919 ceramic Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 239000004411 aluminium Substances 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 239000011651 chromium Substances 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 239000011777 magnesium Substances 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 229910052720 vanadium Inorganic materials 0.000 claims description 6
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 6
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 5
- 238000003723 Smelting Methods 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052737 gold Inorganic materials 0.000 abstract description 2
- 239000010931 gold Substances 0.000 abstract description 2
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009666 routine test Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000012211 strain insulator Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of strain clamp failure load test fixture and its make test method.The device and test method belong to electric armour clamp technical field, solve the problems, such as that gold utensil result of the test poor accuracy, convenience are low in the prior art, stability is weak, including the first gripping sleeve and the second gripping sleeve, first gripping sleeve includes the connecting seat being fixedly connected with strain clamp end and the fixed cover being wholely set with connecting seat, connecting seat offers the groove of socket strain clamp, bottom portion of groove is provided with the arc socket to match with strain clamp end angle, and fixed cover and the second gripping sleeve are the internal polygon post for being provided with affixed steel wire rope through hole.The present invention utilizes the firm connection of the first gripping sleeve and strain clamp, guarantee strain clamp position is stable, no skew, improves the accuracy of result of the test, by being used cooperatively for the first gripping sleeve and the second gripping sleeve, the stability and convenience of strain clamp failure load test are strengthened.
Description
Technical field
The invention belongs to electric armour clamp technical field, specifically, more particularly to a kind of strain clamp failure load test
With fixture and its make test method.
Background technology
Strain clamp is used to fix wire, to bear wire tension, and wire is hung to the gold in strain insulator-string group or shaft tower
Tool, strain clamp are used for corner, continued and the connection of terminal, and it is related to the safety of wire or shaft tower, and therefore, strain clamp exists
Need to carry out mechanical test before operation.
At present, in the market bolt-type strain clamp carries out mechanical test, mainly passes through the bolt pressure of strain clamp
Steel wire rope processed, then mechanical load is applied to steel wire rope and strain clamp outer end respectively, so as to test the broken of bolt-type strain clamp
Bad load, such a mode have the following disadvantages：When the fastening force between bolt and steel wire rope is less than the mechanical load applied, steel
Cord position easily shifts, so as to can not accurate measurement strain clamp breaking load, be additionally, since steel wire rope and suppress in resistance to
In bracing cable folder, with the increase of mechanical load, strain clamp placed angle easily deflects, so as to cause under test accuracy
Drop.
The content of the invention
Present invention aims at a kind of result of the test accuracy height of offer, the strain clamp that convenience is good, stability is strong to break
Bad load test is with fixture and its makes test method.
In order to realize above-mentioned technical purpose, strain clamp failure load test fixture of the present invention and its making test method
The technical scheme used for：
A kind of strain clamp failure load test fixture, including be fixedly connected on strain clamp one end the first gripping sleeve and
Located at the second gripping sleeve of the strain clamp other end, first gripping sleeve includes the connection being fixedly connected with strain clamp end
Seat and the fixed cover being wholely set with connecting seat, the connecting seat offer the groove of socket strain clamp, the groove-bottom
Portion is provided with the arc socket to match with strain clamp end angle, and the fixed cover and the second gripping sleeve are that inside is provided with affixed steel
The polygon post of cord through hole.By setting test fixture in the present invention, make steel wire rope is firm to be crimped in strain clamp, avoid
Steel wire rope because mechanical load is excessive and the problem of come off from strain clamp, meanwhile, the first gripping sleeve produces reverse to steel wire rope
Active force, strain clamp is set to keep stable during experiment, so as to the precision of guarantee test.
Preferably, the polygon post is quadrangle post, hexagon post or octagon post.Using polygon post, reduce solid
The windup-degree of fixed set and the second gripping sleeve, improving stability.
Preferably, described steel wire rope one end is crimped in the first gripping sleeve, and the other end is crimped in the second gripping sleeve.Pass through
Steel wire rope is crimped in the first gripping sleeve and the second gripping sleeve, steel wire rope is kept steady during strain clamp load test
It is qualitative, avoid deflecting because of non-test factor, and then cause the decline of test accuracy.
Preferably, first gripping sleeve and the second gripping sleeve contain by weight percentage：Silicon 0.6~0.8%, magnesium 0.3~
0.5%, copper 0.5~1%, iron 0.2~0.4%, chromium 2~4%, titanium 2~3%, nickel 0.4~0.6%, vanadium 0.2~0.5%, ceramic powder 6~
8%, aluminium 3~4%, remaining is cast steel.To improve the ductility of fixture, during more alloy smeltings, titanium elements, v element, chromium member are added
Element.
A kind of strain clamp failure load test fixture preparation method, comprises the following steps：By weight percentage：Will
3~4% aluminium block is added in smelting furnace, is warming up to 700 DEG C of fusings, after aluminium fusing, after temperature is risen into 1500 DEG C, first adds casting
Steel, sequentially adds 0.3~0.5% magnesium, 0.5~1% bronze medal, 0.6~0.8% silicon, then add simultaneously 0.4~0.6% nickel, 0.2~
0.4% iron, temperature is risen to 2000 DEG C, sequentially add 2~3% titaniums, 2~4% chromium, 0.2~0.5% vanadium, be during which constantly passed through nitrogen
Gas, after metal melting is complete, carry out casting mold, be made the first gripping sleeve and the second gripping sleeve, then to the first gripping sleeve groove,
The through hole of through hole and the second gripping sleeve is interior to add ceramic powder, heating melting again, ceramic powder is fully applied to groove and is led to
In hole.By being passed through nitrogen, the generation of metal oxide, and then generation the problem of reduction alloy mechanical intensity are prevented, simultaneously
For the insulating properties of lifting clamp, ceramic powder element is added into groove, through hole, so that fixture has insulating properties, avoids carrying out
Electrical performance test produces vortex, to make alloy strength more preferably, nickel and iron is added simultaneously, the structure between metallic element is mutual
Support.
A kind of strain clamp failure load test method, comprises the following steps：
（1）Control environment temperature that steel wire rope one end is crimped in the first gripping sleeve at 0~40 DEG C, while by strain clamp
End angle is connected in arc socket, and the steel wire rope other end is crimped in the second gripping sleeve；
（2）Apply that mechanical load reaches that strain clamp calculates pull-off force 50% is used as pretension, and in the steel wire in wire clamp exit
Rope surface addition ring-shaped mark；
（3）Mechanical load is continued to, the loading speed of its rising per minute is no more than wire clamp calculates breaking weight 10%；
（4）When load reaches wire clamp calculated value, as steel wire rope is not subjected to displacement yet, then continue to increase load, until wire clamp is broken
It is bad, stop testing and recording breaking force value；
（5）Repeat step 1~3, reduces mechanical load, and the loading speed of its reduction per minute is no more than wire clamp and calculates breaking weight
10%, test clamp tackle load change ability.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the present invention not only ensures that strain clamp position is stable, unbiased using the firm connection of the first gripping sleeve and strain clamp
Phenomenon is moved, and is fixed one end of steel wire rope, consequently facilitating the load of accurate strain clamp, improves result of the test
Accuracy；
2nd, the present invention makes the steel wire rope other end avoid what is tied up in routine test using adhesive tape into whole strand using the second gripping sleeve
Triviality, the convenience removed and installed is lifted, meanwhile, by being used cooperatively for the first gripping sleeve and the second gripping sleeve, strengthen
The stability and convenience of strain clamp failure load test；
3rd, the present invention is forged using multicomponent alloy, not only improves the ductility of test toolss, while also strengthen test toolss
Intensity, reduce electric energy loss, and due to the flexibility of ceramic powder, it is not only bonded steel wire rope, lifting device is close
Property, while there is stronger insulating properties, provided the foundation for electrical performance test；
4th, the present invention coordinates strain clamp to do mechanical test using fixture, by first loading load, then reduces the side of load
Formula, strain clamp breaking load is set accurately to be determined.
Brief description of the drawings
Fig. 1 is the structural representation that the present invention tests；
Fig. 2 is the structural representation of the present invention；
Fig. 3 is the sectional view of the second chuck of the invention.
In figure：1. strain clamp；2. the second gripping sleeve；3. connecting seat；4. fixed cover；5. groove；6. arc socket；It is 7. logical
Hole.
Embodiment
With reference to specification drawings and specific embodiments, the present invention is furture elucidated, it should be understood that these embodiments
It is only illustrative of the invention and is not intended to limit the scope of the invention, after the present invention has been read, those skilled in the art couple
The modification of the various equivalent form of values of the present invention falls within the application appended claims limited range.
As shown in Fig. 1-Fig. 3, a kind of strain clamp failure load test fixture, including it is fixedly connected on strain clamp 1
First gripping sleeve of one end and the second gripping sleeve 2 located at the other end of strain clamp 1, first gripping sleeve includes and strain insulator
Connecting seat 3 that the end of wire clamp 1 is fixedly connected and the fixed cover 4 being wholely set with connecting seat 3, the connecting seat 3 offer set
The groove 5 of strain clamp 1 is connect, the bottom of groove 5 is provided with the arc socket 6 to match with the end angle of strain clamp 1, the fixation
Set 4 and the second gripping sleeve 2 are the internal polygon post for being provided with affixed steel wire rope through hole 7, the polygon post be quadrangle post,
Hexagon post or octagon post, described steel wire rope one end are crimped in the first gripping sleeve, and the other end is crimped on the second gripping sleeve 2
It is interior.Wherein, first gripping sleeve and the second gripping sleeve contain by weight percentage：Silicon 0.6~0.8%, magnesium 0.3~0.5%, copper
0.5~1%, iron 0.2~0.4%, chromium 2~4%, titanium 2~3%, nickel 0.4~0.6%, vanadium 0.2~0.5%, ceramic powder 6~8%, aluminium 3~
4%, remaining is cast steel.
In the prior art, when bolt-type strain clamp carries out failure load test, test fixture is lacked, with steel wire end
The increase of mechanical load, steel wire rope easily come off from strain clamp, cause experiment to terminate, meanwhile, it is crimped in strain clamp
Steel wire end is vulnerable to strong pulling force effect, deflects, and then drives the deflection of strain clamp, causes the decline of test accuracy,
To solve problems, fixture is installed on bolt-type strain clamp both sides in the present invention, steel wire rope one end is crimped on the first folder
In tight set, the other end is crimped in the second gripping sleeve 2, be ensure that strain clamp position during load test is stable, is avoided
During common load experiment, strain clamp bolt crimp strength is inadequate, the skew of steel wire rope position, it is inaccurate in turn result in test
The problem of true, with the increase of the mechanical load at the end of the second gripping sleeve 2, the first gripping sleeve is acted on by steel wire rope and produces pulling force, by
In the firm connection in the first gripping sleeve and strain clamp end, therefore, the first gripping sleeve is reached stress balance by reversal interlocking relay,
So as to ensure the stabilization of strain clamp placement location, avoid deflecting, test accuracy is protected.
Wherein, strain clamp failure load test fixture preparation method, comprises the following steps：By weight percentage：
3~4% aluminium block is added in smelting furnace, 700 DEG C of fusings is warming up to, after aluminium fusing, after temperature is risen into 1500 DEG C, first adds
Cast steel, sequentially adds 0.3~0.5% magnesium, 0.5~1% bronze medal, 0.6~0.8% silicon, then add simultaneously 0.4~0.6% nickel, 0.2~
0.4% iron, temperature is risen to 2000 DEG C, sequentially add 2~3% titaniums, 2~4% chromium, 0.2~0.5% vanadium, be during which constantly passed through nitrogen
Gas, after metal melting is complete, carry out casting mold, be made the first gripping sleeve and the second gripping sleeve, then to the first gripping sleeve groove,
6~8% ceramic powders are added in the through hole of through hole and the second gripping sleeve, heating melting, makes ceramic powder be fully applied to groove again
In through hole.By adding ceramic powder in fixture, reach the effect of the insulating properties of lifting clamp, avoid carrying out electrical performance survey
The raw vortex of test manufacture.
Strain clamp failure load test method, comprises the following steps：
（1）Control environment temperature that steel wire rope one end is crimped in the first gripping sleeve at 0~40 DEG C, while by strain clamp
End angle is connected in arc socket, and steel wire rope continues to be crimped in the second gripping sleeve；
（2）Apply that mechanical load reaches that strain clamp calculates pull-off force 50% is used as pretension, and in the steel wire in wire clamp exit
Rope surface addition ring-shaped mark；
（3）Mechanical load is continued to, the loading speed of its rising per minute is no more than wire clamp calculates breaking weight 10%；
（4）When load reaches wire clamp calculated value, as steel wire rope is not subjected to displacement yet, then continue to increase load, until wire clamp is broken
It is bad, stop testing and recording breaking force value；
（5）Repeat step 1~3, reduces mechanical load, and the loading speed of its reduction per minute is no more than wire clamp and calculates breaking weight
10%, test clamp tackle load change ability.
Claims (6)
- A kind of 1. strain clamp failure load test fixture, it is characterised in that：Including being fixedly connected on strain clamp one end First gripping sleeve and the second gripping sleeve located at the strain clamp other end, first gripping sleeve include and strain clamp end The connecting seat being fixedly connected and the fixed cover being wholely set with connecting seat, the connecting seat offer the recessed of socket strain clamp Groove, the bottom portion of groove are provided with the arc socket to match with strain clamp end angle, and the fixed cover is with the second gripping sleeve Inside is provided with the polygon post of affixed steel wire rope through hole.
- 2. strain clamp failure load test fixture according to claim 1, it is characterised in that：The polygon post is Quadrangle post, hexagon post or octagon post.
- 3. strain clamp failure load test fixture according to claim 1, it is characterised in that：Described steel wire rope one end It is crimped in the first gripping sleeve, the other end is crimped in the second gripping sleeve.
- 4. strain clamp failure load test fixture according to claim 1, it is characterised in that：First gripping sleeve Contain by weight percentage with the second gripping sleeve：Silicon 0.6~0.8%, magnesium 0.3~0.5%, copper 0.5~1%, iron 0.2~0.4%, chromium 2~4%, titanium 2~3%, nickel 0.4~0.6%, vanadium 0.2~0.5%, ceramic powder 6~8%, aluminium 3~4%, remaining is cast steel.
- A kind of 5. strain clamp failure load test fixture preparation method, it is characterised in that：Comprise the following steps：By weight hundred Divide than meter：3~4% aluminium block is added in smelting furnace, is warming up to 700 DEG C of fusings, after aluminium fusing, after temperature is risen into 1500 DEG C, First add cast steel, sequentially add 0.3~0.5% magnesium, 0.5~1% bronze medal, 0.6~0.8% silicon, then add simultaneously 0.4~0.6% nickel, 0.2~0.4% iron, temperature is risen to 2000 DEG C, sequentially add 2~3% titaniums, 2~4% chromium, 0.2~0.5% vanadium, it is during which not open close Enter nitrogen, after metal melting is complete, carry out casting mold, be made the first gripping sleeve and the second gripping sleeve, then to the first gripping sleeve Ceramic powder is added in the through hole of groove, through hole and the second gripping sleeve, heating melting, makes ceramic powder be fully applied to groove again In through hole.
- A kind of 6. strain clamp failure load test method, it is characterised in that：Comprise the following steps：Control environment temperature that steel wire rope one end is crimped in the first gripping sleeve at 0~40 DEG C, while by the end angle of strain clamp It is connected in arc socket, steel wire rope continues to be crimped in the second gripping sleeve；Apply that mechanical load reaches that strain clamp calculates pull-off force 50% is used as pretension, and in the steel wire rope in wire clamp exit Add ring-shaped mark in surface；Mechanical load is continued to, the loading speed of its rising per minute is no more than wire clamp calculates breaking weight 10%；When load reaches wire clamp calculated value, as steel wire rope is not subjected to displacement yet, then continue to increase load, until wire clamp destroys, Stop testing and recording breaking force value；Repeat step 1~3, reduces mechanical load, and the loading speed of its reduction per minute is no more than wire clamp and calculates breaking weight 10%, test clamp tackles the ability of load change.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710829791.2A CN107677540A (en) | 2017-09-15 | 2017-09-15 | A kind of strain clamp failure load test fixture and its making test method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710829791.2A CN107677540A (en) | 2017-09-15 | 2017-09-15 | A kind of strain clamp failure load test fixture and its making test method |
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| CN107677540A true CN107677540A (en) | 2018-02-09 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493879A (en) * | 2018-05-03 | 2018-09-04 | 国网福建省电力有限公司电力科学研究院 | A kind of device for preventing conducting wire low-cycle fatigue stranded |
| CN108918259A (en) * | 2018-09-10 | 2018-11-30 | 武汉大学 | A kind of strain clamp weld strength test device and method |
| CN110907160A (en) * | 2019-12-09 | 2020-03-24 | 陈小雨 | Method for testing strain resistance of bolt type aluminum alloy strain clamp |
| CN113465890A (en) * | 2021-05-07 | 2021-10-01 | 国网河南省电力公司电力科学研究院 | Overhead transmission line safety backup wire clamp anti-drop test device and method |
| CN114284973A (en) * | 2021-12-28 | 2022-04-05 | 新疆工程学院 | Anti-freezing strain clamp for expanded hollow conductor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2432014Y (en) * | 2000-07-25 | 2001-05-30 | 王德勤 | Clamping device for rope |
| CN201824306U (en) * | 2010-10-29 | 2011-05-11 | 郑元明 | Self-locking strainer for steel wire rope |
| CN102222873A (en) * | 2011-06-24 | 2011-10-19 | 乐山科杰发电力器材有限公司 | Energy-saving bolt-type strain clamp |
| CN202676538U (en) * | 2012-05-29 | 2013-01-16 | 红光输配电设备有限公司 | Suspension clamp test tool |
| CN103994931A (en) * | 2014-04-10 | 2014-08-20 | 李�禾 | Grip force and breaking force test method for heat resistance conducting wire and fitting combination body at high temperature |
| CN204964300U (en) * | 2015-08-25 | 2016-01-13 | 天津市自行车研究院 | Elongation test device when steel cable and steel cable cover atress |
| CN105970084A (en) * | 2016-06-02 | 2016-09-28 | 安徽威龙电力器材有限公司 | Tension clamp and preparation method thereof |
| CN207133125U (en) * | 2017-09-15 | 2018-03-23 | 江苏双汇电力发展股份有限公司 | A kind of strain clamp failure load test fixture |
-
2017
- 2017-09-15 CN CN201710829791.2A patent/CN107677540A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2432014Y (en) * | 2000-07-25 | 2001-05-30 | 王德勤 | Clamping device for rope |
| CN201824306U (en) * | 2010-10-29 | 2011-05-11 | 郑元明 | Self-locking strainer for steel wire rope |
| CN102222873A (en) * | 2011-06-24 | 2011-10-19 | 乐山科杰发电力器材有限公司 | Energy-saving bolt-type strain clamp |
| CN202676538U (en) * | 2012-05-29 | 2013-01-16 | 红光输配电设备有限公司 | Suspension clamp test tool |
| CN103994931A (en) * | 2014-04-10 | 2014-08-20 | 李�禾 | Grip force and breaking force test method for heat resistance conducting wire and fitting combination body at high temperature |
| CN204964300U (en) * | 2015-08-25 | 2016-01-13 | 天津市自行车研究院 | Elongation test device when steel cable and steel cable cover atress |
| CN105970084A (en) * | 2016-06-02 | 2016-09-28 | 安徽威龙电力器材有限公司 | Tension clamp and preparation method thereof |
| CN207133125U (en) * | 2017-09-15 | 2018-03-23 | 江苏双汇电力发展股份有限公司 | A kind of strain clamp failure load test fixture |
Non-Patent Citations (1)
| Title |
|---|
| 董吉谔: "《电力金具手册》", 30 June 2001, 北京：中国电力出版社 * |
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| CN108918259A (en) * | 2018-09-10 | 2018-11-30 | 武汉大学 | A kind of strain clamp weld strength test device and method |
| CN108918259B (en) * | 2018-09-10 | 2023-09-22 | 武汉大学 | Device and method for testing strength of welding seam of strain clamp |
| CN110907160A (en) * | 2019-12-09 | 2020-03-24 | 陈小雨 | Method for testing strain resistance of bolt type aluminum alloy strain clamp |
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