CN106896017A - The method of aluminium alloy leakage and the method for testing of breaking force of rope are prevented in a kind of steel wire rope sample preparation - Google Patents
The method of aluminium alloy leakage and the method for testing of breaking force of rope are prevented in a kind of steel wire rope sample preparation Download PDFInfo
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- CN106896017A CN106896017A CN201710192130.3A CN201710192130A CN106896017A CN 106896017 A CN106896017 A CN 106896017A CN 201710192130 A CN201710192130 A CN 201710192130A CN 106896017 A CN106896017 A CN 106896017A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
- G01N2001/366—Moulds; Demoulding
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- 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
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- 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
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- 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
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
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Abstract
The method of aluminium alloy leakage and the method for testing of breaking force of rope are prevented in a kind of steel wire rope sample preparation, is related to steel wire rope performance detection technical field.A kind of method for preventing aluminium alloy from leaking in steel wire rope sample preparation, including:The step of inserting leak preventive near the tie part before pouring into a mould aluminium alloy to steel wire rope, the fusing point of the fusing point higher than aluminium alloy of leak preventive, leak preventive is in granular form.Can prevent the aluminium alloy in steel wire rope sample preparation from revealing.A kind of method of testing of breaking force of rope, including:The steel wire rope sample obtained using the method for preventing aluminium alloy from leaking in above-mentioned steel wire rope sample preparation carries out rupture pull force test.The result of test is more accurate.
Description
Technical field
Prevent the present invention relates to steel wire rope performance detection technical field, and in more particularly to a kind of steel wire rope sample preparation
Method and the method for testing of breaking force of rope that only aluminium alloy is leaked.
Background technology
Alloy casting method is the method for most generally used when overall breaking force of steel wire rope is tested, and it is by sample two
End is tied up after rearward end scatters, cleans up, and is cast with the molten alloy of low melting point, after being cooled to room temperature, in tensile testing machine
On carry out the method for tension test.The Chinese patent of Application No. 201210091982.0 proposes a kind of detection whole rope of steel wire rope
The method of rupture pull force, belongs to one kind of alloy casting method, preferably resolves detection overall breaking force of steel wire rope and steel wire
The problem of rope sample preparation.But existed in actual use, due to the structure that steel wire rope is special, between stock and stock certain
Gap, even if be provided in mold bottom card sample element being fully contacted with steel wire rope, but is not avoided that the presence in gap, this
Have led to the fused solution in casting easily to be spilt from gap, in turn result in the leakage of alloy liquid, and have a strong impact on safety
Production.
The content of the invention
A kind of method it is an object of the invention to provide preventing aluminium alloy from leaking in steel wire rope sample preparation, it leads to
Cross and add leak preventive near the tie part of steel wire rope, can prevent the aluminium alloy in steel wire rope sample preparation from revealing.
Another object of the present invention is to provide a kind of method of testing of breaking force of rope, tried using above-mentioned steel wire rope
The steel wire rope sample that the method for preventing aluminium alloy from leaking in sample preparation process is obtained carries out rupture pull force test, and the result of test is more
Plus it is accurate.
The present invention is solved its technical problem and is realized using following technical scheme.
The present invention proposes a kind of method for preventing aluminium alloy from leaking in steel wire rope sample preparation, including:Closed in cast
The step of before golden liquid to inserting leak preventive near the tie part of steel wire rope, the fusing point of the fusing point higher than aluminium alloy of leak preventive, leakproof
Agent is in granular form.
The present invention also proposes a kind of method of testing of breaking force of rope, including:Prepared using above-mentioned steel wire rope sample
During prevent the steel wire rope sample that obtains of method that aluminium alloy is leaked from carrying out rupture pull force test.
The beneficial effect of the embodiment of the present invention is:A kind of side for preventing aluminium alloy from leaking in steel wire rope sample preparation
Method, inserts leak preventive near the tie part of steel wire rope, the fusing point of the fusing point higher than aluminium alloy of leak preventive, and leak preventive will not be with
The low-melting alloy liquid such as bismuth, antimony, tin, zinc reacts, and leak preventive is in granular form, and can be prevented with the gap between filler wires
The only leakage of aluminium alloy, does not influence the rupture pull force of steel wire rope to test.
A kind of method of testing of breaking force of rope, including:Using prevented in above-mentioned steel wire rope sample preparation close
The steel wire rope sample that the method for golden liquid leakage is obtained carries out rupture pull force test.Using the above-mentioned method for preventing aluminium alloy from leaking
During sample preparation, aluminium alloy is not leaked on tensile test portion or ground, and the temperature of aluminium alloy is more uniform;If using tradition side
Method, after aluminium alloy is injected to mould, the aluminium alloy of mold bottom can be leaked, and due to the continuous injection of aluminium alloy, work as conjunction
After golden liquid is contacted with steel wire rope, quickly, the aluminium alloy solidification first injected could continue to inject alloy after blocking gap for temperature drop
Liquid, it is uneven to cause aluminium alloy temperature in mould, entirely pours deadhead and does not merge completely, so as to influence cast quality, Ke Nengzao
Into pour deadhead cracking etc., and then influence test result.Therefore, the steel wire rope for being obtained using the above-mentioned method for preventing aluminium alloy from leaking
Sample, can be used for the test of the rupture pull force of steel wire rope, can guarantee that the accuracy of test result.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
The construction of wire rope schematic diagram that Fig. 1 is provided for embodiment of the present invention;
Steel wire rope and the cooperation figure of mould that Fig. 2 is provided for embodiment of the present invention.
Icon:100- moulds;200- mould racks;300- steel wire ropes;310- tie parts;320- tensile tests portion;330-
Casting portion.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below will be in the embodiment of the present invention
Technical scheme be clearly and completely described.Unreceipted actual conditions person, builds according to normal condition or manufacturer in embodiment
The condition of view is carried out.Agents useful for same or the unreceipted production firm person of instrument, are the conventional product that can be obtained by commercially available purchase
Product.
Alloy casting method is to carry out the method that most generally uses when breaking force of rope is tested, it take one section it is to be measured
Steel wire rope 300, then ties up after rearward end scatters, cleans up the two ends of steel wire rope 300, is poured with the molten alloy of low melting point
Casting, after being cooled to room temperature, the method that tension test is carried out on tensile testing machine.
Steel wire rope 300 tie up after shape as shown in figure 1, the opposite sides of the tie part 310 of steel wire rope 300 is respectively drawing
Power test department 320 and casting portion 330, casting portion 330 are located at the end of steel wire rope 300 and in dispersed.
Below to prevented in a kind of steel wire rope sample preparation of the embodiment of the present invention aluminium alloy leak method and
The method of testing of breaking force of rope is specifically described.
A kind of method for preventing aluminium alloy from leaking in steel wire rope sample preparation, is included in the tie part of steel wire rope 300
The step of inserting leak preventive near 310, the fusing point of the fusing point higher than aluminium alloy of leak preventive, leak preventive is in granular form.
Due to 300 strands of steel wire rope and strand between there is gap, and leak preventive is in granular form, and leak preventive inserts steel wire rope 300
Tie part 310 near, can be with the gap between filler wires;Also, fusing point is higher than the component of aluminium alloy fusing point in leak preventive,
Will not be reacted with the low-melting alloy liquid such as bismuth, antimony, tin, zinc, and then prevent the leakage of aluminium alloy, steel wire rope 300 is not influenceed
Rupture pull force test.Further, leak preventive includes alkali halide, such as sodium chloride, potassium chloride, lithium chloride, fluorination
Sodium, potassium fluoride, lithium fluoride, sodium bromide, KBr, lithium bromide etc., in an embodiment of the present invention, preferably sodium chloride.Chlorination
Sodium can use edible salt or Nacl.When the temperature of low-melting alloy liquid it is high to a certain extent when, sodium chloride can because temperature
Du Taigao and melt, it is preferred that further, leak preventive also includes alkaline-earth halide, such as calcirm-fluoride, fluorine
Change magnesium, sodium chloride, magnesium chloride, calcium bromide, magnesium bromide.In an embodiment of the present invention, preferably calcirm-fluoride.Calcirm-fluoride and chlorination
Sodium using preceding stirring, calcirm-fluoride can not only filler wires rope 300 gap, and its fusing point is 1402 DEG C, and low melting point is closed
The temperature of golden liquid typically not achieves temperature so high, and calcirm-fluoride will not melt, the effect meeting for preventing aluminium alloy from revealing
More preferably.When calcirm-fluoride and sodium chloride are used as into leak preventive, calcirm-fluoride it may happen that float, it is preferred that equal using mixing
Even calcirm-fluoride and sodium chloride prevent calcirm-fluoride from floating.In order to preferably reach the effect for preventing aluminium alloy from revealing, it is preferable that
Alkali halide is the 20wt%-60wt% of leak preventive;It is further preferred that alkaline-earth halide is leak preventive
40wt%-80wt%.It is further preferred that 40wt%-50wt% of the alkali halide for leak preventive.The proportion is
The preferred value that inventor obtains with reference to experience and creative work, when leak preventive is alkali halide and alkaline-earth metal halogen
During the mixture of compound, above-mentioned proportion is selected to be capable of the leakage of preferably mode aluminium alloy.Furthermore, have selected sodium chloride
Or the mixture of sodium chloride and calcirm-fluoride is when making leak preventive, can be according to the aluminium alloy of selection and its temperature for finally reaching
To carry out the specifically chosen of leak preventive.
Further, the opposite sides of the tie part 310 of steel wire rope 300 is respectively tensile test portion 320 and casting portion
330, casting portion 330 is located at the end of steel wire rope 300 and in dispersed, and leak preventive fills out the close casting portion 330 in tie part 310
Side.During concrete operations, steel wire rope 300 is tied up near the place at both ends, then from tie part 310 by its both ends
Opening makes it be in dispersed, and the opposite sides of tie part 310 is respectively tensile test portion 320 and casting portion 330.Leak preventive is filled out
In the side of the close casting portion 330 of tie part 310, leak preventive inserts position closer to tie part 310, and it prevents aluminium alloy
The effect of leakage is better.Before leak preventive is inserted, first casting portion 330 is cleaned.Casting portion 330 to scattering is carried out fully
Cleaning, it is ensured that steel wire without grease, the foreign matter of tie part 310 to the end of steel wire rope 300.In order to avoid the effect of influence aluminium alloy injection.
The usually used cleaning agent of cleaning, for example:By way of being soaked in kerosene and being cleaned with water again.In other embodiments, also may be used
Cleaned without to casting portion 330.
Further, in the preferred embodiments of the present invention, alloy is poured into a mould for convenience, employ a kind of mould 100, such as scheme
Shown in 2, mould 100 is provided with inner chamber, and the bottom of mould 100 is provided with through hole.Before leak preventive is inserted, first by steel wire rope 300
Casting portion 330 be positioned in the inner chamber of mould 100.The bottom of mould 100 has and inner space and diameter and steel wire rope 300
External diameter matching through hole, tie part 310 be located at through hole, be then filled with leak preventive;The position that leak preventive is inserted includes tying up
Gap between the side of the close casting portion 330 in portion 310, and the outer wall of steel wire rope 300 and the wall of formation through hole.
The concrete structure of mould 100 refers to Fig. 2, and mould 100 is provided with inner chamber, and the bottom of mould 100 is provided with through hole, leads to
Hole can contact with the outer surface of the steel wire rope 300 placed along the axis direction of inner chamber, and mould 100 is removably disposed in mould
On tool support 200.Mould rack 200 has the space positioned at the through hole bottom of mould 100, and space has can be made along inner chamber
The unbending height of steel wire rope 300 that axis direction is placed.During cast, the space can be such that steel wire rope 300 keeps without deviously
Hang.
During concrete operations, steel wire rope 300 is passed through the through hole of mould 100, so that the casting portion 330 of steel wire rope 300
In the inner chamber of mould 100, the through hole of mould 100 is tied portion 310 and fills, then in the close casting portion of tie part 310
Insert leak preventive in gap between 330 side, and the outer wall of steel wire rope 300 and the wall of formation through hole.Leak preventive seals steel
The gap between gap and steel wire between the outer wall of cord 300 and the wall for forming through hole.Then closed to injection in mould 100
Golden liquid.The aluminium alloy of injection generally selects the aluminium alloy of low melting point, such as the low-melting alloy liquid such as bismuth, antimony, tin, zinc.
Further, after inserting leak preventive, to aluminium alloy is injected in mould 100, the edge to mould 100 is vibrated.
In an embodiment of the present invention, mould 100 is mainly tapped by the vibration for tapping the edge of mould 100 to realize mould 100
Edge is contacted with each other winding to prevent from being located at the steel wire rope 300 that scatters in mould 100, and aluminium alloy is evenly distributed, and is kept away
Exempt to form hole and cannot be used for the test of the rupture pull force of steel wire rope 300 when aluminium alloy injects.Injection aluminium alloy after, interval time compared with
It is short that just mould 100 is tapped, it is likely to result in aluminium alloy and penetrates application of anti-leakage layers, reveal aluminium alloy, it is therefore preferred that closing
After the completion of golden liquid injection, kept for the time of at least 12 seconds, at this moment the temperature of aluminium alloy has becoming for solidification because being passed away
Gesture, then avoid aluminium alloy and penetrate application of anti-leakage layers, it is therefore prevented that the leakage of aluminium alloy.
Further, after the aluminium alloy in the inner chamber of mould 100 solidifies completely, kept for more than 2 minutes, then by steel wire rope
300 take out from mould 100.Because solidification, with regard to taking out, can not cause certain safety to the aluminium alloy in mould 100 completely
Hidden danger.
Present invention also offers a kind of method of testing of breaking force of rope, including:Using above-mentioned steel wire rope sample system
The steel wire rope sample that the method for preventing aluminium alloy from leaking during standby is obtained carries out rupture pull force test.
If carrying out sample preparation using conventional method, the step of it does not prevent aluminium alloy from revealing, closed when being injected to mould 100
After golden liquid, the aluminium alloy of the bottom of mould 100 can be leaked, due to the continuous injection of aluminium alloy, when aluminium alloy and steel wire rope 300
After contact, quickly, the aluminium alloy solidification first injected could continue to inject aluminium alloy after blocking gap, cause mould for temperature drop
Aluminium alloy temperature is uneven in 100, entirely pours deadhead and does not merge completely, so as to influence quality of casting, is likely to result in and pours deadhead and open
Split, and then influence test result.Therefore, using the above-mentioned steel wire rope sample for preventing the method that aluminium alloy is leaked from obtaining, can
For the test of the rupture pull force of steel wire rope 300, the accuracy of test result is can guarantee that,.
Further, the test of rupture pull force is carried out on testing machine, and the clamping length of the fixture of testing machine is h, position
In the tie part 310 of same one end and the distance between the end of steel wire rope sample be H1, the height for inserting leak preventive is H2, preferably
Ground, H2≤ 8mm, h=H1-H2.So set benefit be, it is ensured that the tensile test portion 320 of steel wire rope 300 be without
The region of leak preventive or aluminium alloy, it is ensured that the test to the rupture pull force of steel wire rope 300 is not influenceed by other factors, surveys
Test result is more accurate, accurate.It is preferably located at the distance between end and tie part 310 of the steel wire rope sample of same one end etc.
In clamping length.
Feature of the invention and performance are described in further detail with reference to embodiments.
Embodiment 1
A kind of method for preventing aluminium alloy from leaking in steel wire rope sample preparation, in steel wire rope 300 near both ends
Position is tied up, and steel wire rope 300 is divided into casting portion 330 and tensile test portion 320 by tie part 310, and casting portion 330 is located at steel
The end of cord 300.Then casting portion 330 is opened makes it be in dispersed, then the casting portion 330 scattered is carried out fully clear
Wash, it is ensured that steel wire without grease, the foreign matter of tie part 310 to the end of steel wire rope 300.Then by steel wire rope 300 through mould 100
Through hole, so that the wherein one end of steel wire rope 300 is located in the inner chamber of mould 100 by the casting portion 330 of cleaning treatment, mould
100 through hole is tied portion 310 and fills.Then to tie part 310 close casting portion 330 side, and steel wire rope 300
Leak preventive is inserted in gap between outer wall and the wall for forming through hole, and leak preventive is sodium chloride particle.Then injected in mould 100
The aluminium alloy of bismuth-containing, after keeping 15s, taps the edge of mould 100, after the aluminium alloy in the inner chamber of mould 100 solidifies completely, protects
Hold 2 minutes, then steel wire rope 300 is taken out from mould 100.It is all same that the other end of steel wire rope 300 prevents aluminium alloy from revealing
Operating procedure.
A kind of method of testing of breaking force of rope, including:Using prevented in above-mentioned steel wire rope sample preparation close
The steel wire rope sample that the method for golden liquid leakage is obtained carries out rupture pull force test.
Embodiment 2
A kind of method for preventing aluminium alloy from leaking in steel wire rope sample preparation, in steel wire rope 300 near both ends
Position is tied up, and steel wire rope 300 is divided into casting portion 330 and tensile test portion 320 by tie part 310, and casting portion 330 is located at steel
The end of cord 300.Then casting portion 330 is opened makes it be in dispersed, then the casting portion 330 scattered is carried out fully clear
Wash, it is ensured that steel wire without grease, the foreign matter of tie part 310 to the end of steel wire rope 300.Then by steel wire rope 300 through mould 100
Through hole, so that the wherein one end of steel wire rope 300 is located in the inner chamber of mould 100 by the casting portion 330 of cleaning treatment, mould
100 through hole is tied portion 310 and fills.Then to tie part 310 close casting portion 330 side, and steel wire rope 300
Leak preventive is inserted in gap between outer wall and the wall for forming through hole, and leak preventive is well mixed sodium chloride particle and calcirm-fluoride
The mass ratio of grain, sodium chloride and calcirm-fluoride is 1:1.Then to the aluminium alloy that bismuth-containing is injected in mould 100, after keeping 12s, tap
The edge of mould 100, after the aluminium alloy in the inner chamber of mould 100 solidifies completely, is kept for 3 minutes, then by steel wire rope 300 from mould
Taken out in 100.It is all same operating procedure that the other end of steel wire rope 300 prevents aluminium alloy from revealing.
A kind of method of testing of breaking force of rope, including:Using prevented in above-mentioned steel wire rope sample preparation close
The steel wire rope sample that the method for golden liquid leakage is obtained carries out rupture pull force test.
Embodiment 3
A kind of method for preventing aluminium alloy from leaking in steel wire rope sample preparation, in steel wire rope 300 near both ends
Position is tied up, and steel wire rope 300 is divided into casting portion 330 and tensile test portion 320 by tie part 310, and casting portion 330 is located at steel
The end of cord 300.Then casting portion 330 is opened makes it be in dispersed, then the casting portion 330 scattered is carried out fully clear
Wash, it is ensured that steel wire without grease, the foreign matter of tie part 310 to the end of steel wire rope 300.Then by steel wire rope 300 through mould 100
Through hole, so that the wherein one end of steel wire rope 300 is located in the inner chamber of mould 100 by the casting portion 330 of cleaning treatment, mould
100 through hole is tied portion 310 and fills.Then to tie part 310 close casting portion 330 side, and steel wire rope 300
Leak preventive is inserted in gap between outer wall and the wall for forming through hole, and leak preventive is well mixed sodium chloride particle and calcirm-fluoride
The mass ratio of grain, sodium chloride and calcirm-fluoride is 2:3.Then to the aluminium alloy that bismuth-containing is injected in mould 100, after keeping 18s, tap
The edge of mould 100, after the aluminium alloy in the inner chamber of mould 100 solidifies completely, is kept for 5 minutes, then by steel wire rope 300 from mould
Taken out in 100.It is all same operating procedure that the other end of steel wire rope 300 prevents aluminium alloy from revealing.
A kind of method of testing of breaking force of rope, including:Using prevented in above-mentioned steel wire rope sample preparation close
The steel wire rope sample that the method for golden liquid leakage is obtained carries out rupture pull force test.
Embodiment 4
A kind of method for preventing aluminium alloy from leaking in steel wire rope sample preparation, in steel wire rope 300 near both ends
Position is tied up, and steel wire rope 300 is divided into casting portion 330 and tensile test portion 320 by tie part 310, and casting portion 330 is located at steel
The end of cord 300.Then casting portion 330 is opened makes it be in dispersed, then the casting portion 330 scattered is carried out fully clear
Wash, it is ensured that steel wire without grease, the foreign matter of tie part 310 to the end of steel wire rope 300.Then by steel wire rope 300 through mould 100
Through hole, so that the wherein one end of steel wire rope 300 is located in the inner chamber of mould 100 by the casting portion 330 of cleaning treatment, mould
100 through hole is tied portion 310 and fills.Then to tie part 310 close casting portion 330 side, and steel wire rope 300
Leak preventive is inserted in gap between outer wall and the wall for forming through hole, and leak preventive is well mixed sodium chloride particle and calcirm-fluoride
The mass ratio of grain, sodium chloride and calcirm-fluoride is 3:2.Then to the aluminium alloy that bismuth-containing is injected in mould 100, after keeping 20s, tap
The edge of mould 100, after the aluminium alloy in the inner chamber of mould 100 solidifies completely, is kept for 5 minutes, then by steel wire rope 300 from mould
Taken out in 100.It is all same operating procedure that the other end of steel wire rope 300 prevents aluminium alloy from revealing.
A kind of method of testing of breaking force of rope, including:Using prevented in above-mentioned steel wire rope sample preparation close
The steel wire rope sample that the method for golden liquid leakage is obtained carries out rupture pull force test.
Embodiment 5
A kind of method for preventing aluminium alloy from leaking in steel wire rope sample preparation, in steel wire rope 300 near both ends
Position is tied up, and steel wire rope 300 is divided into casting portion 330 and tensile test portion 320 by tie part 310, and casting portion 330 is located at steel
The end of cord 300.Then casting portion 330 is opened makes it be in dispersed, then the casting portion 330 scattered is carried out fully clear
Wash, it is ensured that steel wire without grease, the foreign matter of tie part 310 to the end of steel wire rope 300.Then by steel wire rope 300 through mould 100
Through hole, so that the wherein one end of steel wire rope 300 is located in the inner chamber of mould 100 by the casting portion 330 of cleaning treatment, mould
100 through hole is tied portion 310 and fills.Then to tie part 310 close casting portion 330 side, and steel wire rope 300
Leak preventive is inserted in gap between outer wall and the wall for forming through hole, and leak preventive is well mixed sodium chloride particle and calcirm-fluoride
The mass ratio of grain, sodium chloride and calcirm-fluoride is 1:4.Then to the aluminium alloy that bismuth-containing is injected in mould 100, after keeping 30s, tap
The edge of mould 100, after the aluminium alloy in the inner chamber of mould 100 solidifies completely, is kept for 4 minutes, then by steel wire rope 300 from mould
Taken out in 100.It is all same operating procedure that the other end of steel wire rope 300 prevents aluminium alloy from revealing.
A kind of method of testing of breaking force of rope, including:Using prevented in above-mentioned steel wire rope sample preparation close
The steel wire rope sample that the method for golden liquid leakage is obtained carries out rupture pull force test.
Comparative example 1
The preparation method of steel wire rope sample:Tied up near the position at both ends in steel wire rope 300, tie part 310 will
Steel wire rope 300 is divided into casting portion 330 and tensile test portion 320, and casting portion 330 is located at the end of steel wire rope 300.Then by casting portion
330 openings make it be in dispersed, then the casting portion 330 scattered fully are cleaned, it is ensured that tie part 310 to steel wire rope
The steel wire without grease of 300 ends, foreign matter.Then by steel wire rope 300 through mould 100 through hole so that steel wire rope 300 its
Middle one end is located in the inner chamber of mould 100 by the casting portion 330 of cleaning treatment, and the through hole of mould 100 is tied portion 310 and fills out
Fill.To the aluminium alloy that bismuth-containing is injected in mould 100, after keeping 30s, the edge of mould 100 is tapped, in treating the inner chamber of mould 100
After aluminium alloy solidifies completely, kept for 4 minutes, then steel wire rope 300 is taken out from mould 100.The other end of steel wire rope 300 is same
The operating procedure of sample.
Comparative example 2
The preparation method of steel wire rope sample:Tied up near the position at both ends in steel wire rope 300, tie part 310 will
Steel wire rope 300 is divided into casting portion 330 and tensile test portion 320, and casting portion 330 is located at the end of steel wire rope 300.Then by casting portion
330 openings make it be in dispersed, then the casting portion 330 scattered fully are cleaned, it is ensured that tie part 310 to steel wire rope
The steel wire without grease of 300 ends, foreign matter.Then by steel wire rope 300 through mould 100 through hole so that steel wire rope 300 its
Middle one end is located in the inner chamber of mould 100 by the casting portion 330 of cleaning treatment, and the through hole of mould 100 is tied portion 310 and fills out
Fill.Then to tie part 310 close casting portion 330 side, and steel wire rope 300 outer wall and formed through hole wall between
Gap insert leak preventive, leak preventive is the matter of well mixed sodium chloride particle and calcium fluoride particles, sodium chloride and calcirm-fluoride
Amount is than being 1:9.Then to the aluminium alloy that bismuth-containing is injected in mould 100, after keeping 30s, the edge of mould 100 is tapped, treats mould
After aluminium alloy in 100 inner chambers solidifies completely, kept for 4 minutes, then steel wire rope 300 is taken out from mould 100.Steel wire rope 300
The other end be same operating procedure.
Test example
Whether when the steel wire rope sample to embodiment 1-5 and comparative example 1-2 carries out sample preparation, visually observing has aluminium alloy
Leak case.Its result is recorded in table 1.
The leak case of the steel wire rope sample aluminium alloy of the embodiment 1-5 of table 1 and comparative example 1-2
As can be seen from Table 1, embodiment 1-5 prevent aluminium alloy leak method effect preferably, aluminium alloy substantially all without
Leakage, and the comparative example 1 for being not added with leak preventive reveals more.Comparative example 1-5 and comparative example 2 find that comparative example 2 is in sample preparation
Also some aluminium alloys reveal, when the leak preventive for illustrating the embodiment of the present invention is sodium chloride and calcirm-fluoride, using of the invention real
Applying the ratio of example can preferably prevent the leakage of aluminium alloy.
In sum, a kind of leak preventive of the embodiment of the present invention, prevent aluminium alloy leak method and steel wire rope sample,
A kind of method for preventing aluminium alloy from leaking in steel wire rope sample preparation, leak preventive is inserted near the tie part of steel wire rope,
Higher than the fusing point of aluminium alloy, leak preventive will not react the fusing point of leak preventive with the low-melting alloy liquid such as bismuth, antimony, tin, zinc, and
Leak preventive is in granular form, and can prevent the leakage of aluminium alloy with the gap between filler wires, and the rupture pull force of steel wire rope is not influenceed
Test.A kind of method of testing of breaking force of rope, including:Using preventing aluminium alloy in above-mentioned steel wire rope sample preparation
The steel wire rope sample that the method for leakage is obtained carries out rupture pull force test.Not only can guarantee that the accuracy of test result, moreover it is possible to keep away
Exempt from safety problem generation.
Embodiments described above is a part of embodiment of the invention, rather than whole embodiments.Reality of the invention
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Claims (10)
1. a kind of method for preventing aluminium alloy from leaking in steel wire rope sample preparation, it is characterised in that including:In cast alloy
The step of before liquid to inserting leak preventive near the tie part of steel wire rope, the fusing point of the leak preventive is molten higher than the aluminium alloy
Point, the leak preventive is in granular form.
2. the method for preventing aluminium alloy from leaking in steel wire rope sample preparation according to claim 1, it is characterised in that
The leak preventive includes alkali halide.
3. the method for preventing aluminium alloy from leaking in steel wire rope sample preparation according to claim 2, it is characterised in that
The alkali halide is sodium chloride.
4. the method for preventing aluminium alloy from leaking in steel wire rope sample preparation according to claim 2, it is characterised in that
The leak preventive also includes alkaline-earth halide, and the alkali halide is the 20wt%-60wt% of the leak preventive.
5. the method for preventing aluminium alloy from leaking in steel wire rope sample preparation according to claim 4, it is characterised in that
The alkaline-earth halide is the 40wt%-80wt% of the leak preventive.
6. the method for preventing aluminium alloy from leaking in steel wire rope sample preparation according to claim 4, it is characterised in that
The alkaline-earth halide is calcirm-fluoride.
7. the method for preventing aluminium alloy from leaking in the steel wire rope sample preparation according to claim any one of 1-6, its
It is characterised by, the opposite sides of the tie part of the steel wire rope is respectively tensile test portion and casting portion, and the casting portion is located at
The end of the steel wire rope and in dispersed, the leak preventive fills out the side of the close described casting portion in the tie part.
8. the method for preventing aluminium alloy from leaking in steel wire rope sample preparation according to claim 7, it is characterised in that
Before the leak preventive is inserted, first the casting portion of the steel wire rope is positioned in the inner chamber of mould, the bottom tool of the mould
There is the through hole matched with the external diameter of the steel wire rope with the inner space and diameter, the tie part is located at the through hole,
It is then filled with the leak preventive;The position that the leak preventive is inserted includes the side of the close described casting portion of the tie part,
And the gap between the outer wall of the steel wire rope and the wall of the formation through hole.
9. the method for preventing aluminium alloy from leaking in steel wire rope sample preparation according to claim 8, it is characterised in that
After inserting the leak preventive, to aluminium alloy is injected in the mould, the edge to the mould is vibrated.
10. a kind of method of testing of breaking force of rope, it is characterised in that including:Using described in claim any one of 1-9
Steel wire rope sample preparation in prevent the steel wire rope sample that obtains of method that aluminium alloy is leaked from carrying out rupture pull force test.
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