CN106599532A - Calculation method and device for washout wear weight loss of surface of rod piece of power transmission tower by sandy wind - Google Patents

Calculation method and device for washout wear weight loss of surface of rod piece of power transmission tower by sandy wind Download PDF

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Publication number
CN106599532A
CN106599532A CN201610977711.3A CN201610977711A CN106599532A CN 106599532 A CN106599532 A CN 106599532A CN 201610977711 A CN201610977711 A CN 201610977711A CN 106599532 A CN106599532 A CN 106599532A
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China
Prior art keywords
weight loss
erosive wear
wear weight
erosion
test specimen
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CN201610977711.3A
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Chinese (zh)
Inventor
王欣欣
王旭明
李文胜
张宏杰
何成
杨风利
赵建平
黄耀
游溢
艾红
徐凯
刘阳
陈东娃
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State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
Electric Power Research Institute of State Grid Xinjiang Electric Power Co Ltd
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State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
Electric Power Research Institute of State Grid Xinjiang Electric Power Co Ltd
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Priority to CN201610977711.3A priority Critical patent/CN106599532A/en
Publication of CN106599532A publication Critical patent/CN106599532A/en
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    • GPHYSICS
    • G16INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16ZINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS, NOT OTHERWISE PROVIDED FOR
    • G16Z99/00Subject matter not provided for in other main groups of this subclass

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Abstract

The invention provides a calculation method and device for the washout wear weight loss of the surface of a rod piece of a power transmission tower by sandy wind. The method comprises the steps that a tested piece is subjected to a sandy wind test; the cutting washout wear weight loss of the tested piece in the sandy wind test is calculated; the deformation washout wear weight loss of the tested piece in the sandy wind test is calculated; the total washout wear weight loss of the tested piece is determined according to the cutting washout wear weight loss and the deformation washout wear weight loss. According to the method, the cutting washout wear weight loss and the deformation washout wear weight loss are calculated respectively, the total washout wear weight loss of the tested piece is determined according to the cutting washout wear weight loss and the deformation washout wear weight loss, a theoretical value of the washout wear weight loss of the tested piece by the sandy wind is calculated reasonably, a theoretical basis is provided for design, application and protection of clad layers and coatings of the rod piece of the power transmission tower and other steel structures, and therefore the rod piece of the power transmission tower and the other steel structures are safer.

Description

Computational methods and device of the power transmission tower rod member surface by dust storm erosive wear weight loss
Technical field
The present invention relates to T & D Technology field, is ground in particular to a kind of power transmission tower rod member surface by dust storm erosion The computational methods and device of bodies lost weight.
Background technology
Some area of China is in dust storm region, and such as northwest, this area is dispersed with wide desert, due to long-term By being invaded from Siberia and Mongolia's cold air, this area's strong wind is more, and the formation for sandstorm provides power Condition, these factors cause NORTHWEST CHINA area to become the center lot of the high behaviour area of Devil in North China.This area Infrastructure be subjected to the corrosion function of wind sand environment for a long time, especially build power transmission tower frame, communication tower and the bridge of desert periphery in The steel structure systems such as beam are more notable by being affected.This impact is mainly reflected in stream particle to steel structure surface coating Erosive wear destruction, make coating fail earlier.Steel structure surface is lost after the protective action of coating and coating, outside steel Dew corrosion, the safety and durability for causing steel structure system declines.
The modern industry quickly grows, and steel construction is obtained in different fields such as building surface in big industrial factory, bridge, power transmission tower and communication towers To being widely applied, the endurance issues of steel structure system have caused the common concern of engineering circles and academia, dust storm punching Hit abrasion has become a major reason of the steel structure surface such as electric power pylon rod member wear-out failure failure.With certain speed The grains of sand form one sand drift, and sand drift clashes into the surface of the steel constructions such as electric power pylon rod member and forms impact corrasion, according to statistics, by Not enough in the durability of steel construction, the loss that China is caused every year due to friction, abrasion is nearly 60,000,000,000 yuan.But it is at present, also right The computational methods of the steel construction dust storm erosive wear weight loss such as power transmission tower rod member, it is impossible to be best understood by power transmission tower rod member performance and receive The impact of dust storm erosion damage, and then there is potential safety hazard.
The content of the invention
In consideration of it, the present invention propose a kind of power transmission tower rod member surface by dust storm erosive wear weight loss computational methods and Device, it is intended to which solution is caused due to the calculating of dust storm erosive wear weight loss being carried out to steel constructions such as electric power pylon rod members Security hidden trouble.
On one side, the present invention proposes a kind of calculating side of power transmission tower rod member surface by dust storm erosive wear weight loss Method, it is characterised in that comprise the steps:Dust storm test is carried out to test specimen;Calculating test specimen carries out dust storm test Cutting erosive wear weight loss;Calculating test specimen carries out the deformation erosive wear weight loss of dust storm test;According to cutting erosion Wear weight loss amount and deformation erosive wear weight loss determine total erosive wear weight loss of test specimen.
Further, during above-mentioned power transmission tower rod member surface is by the computational methods of dust storm erosive wear weight loss, calculate tested Test specimen carries out the cutting erosive wear weight loss step of dust storm test and further includes:Obtain impact angle, the punching of dust storm test Erosion speed and sand and dust gross mass;Impact angle is compared with critical impact angle;As 0 < α≤α0When, according to formulaIt is determined that cutting erosive wear weight loss E1, whenWhen, according to formulaIt is determined that cutting erosive wear weight loss E1;In above formula, α0For critical erosion angle, EsFor sand and dust quality, v is punching Erosion speed, α is impact angle, and n is horizontal rebound degree factor, and γ is cutting abrasion energy consumption factor.
Further, during above-mentioned power transmission tower rod member surface is by the computational methods of dust storm erosive wear weight loss, calculating quilt is stated Test block carries out the deformation erosive wear weight loss step of dust storm test and further includes:By impact angle and critical impact angle It is compared;As 0 < α≤α0When, according to formulaIt is determined that deformation erosive wear weight loss E2, whenWhen, according to formulaIt is determined that deformation erosive wear weight loss E2;In above formula, α0For critical erosion Angle, EsFor sand and dust quality, v is erosion speed, and α is impact angle, and η is erosion formation abrasion energy consumption factor.
Further, during above-mentioned power transmission tower rod member surface is by the computational methods of dust storm erosive wear weight loss, by cutting punching Erosion wear weight loss amount and deformation erosive wear weight loss sum are defined as total erosive wear weight loss of test specimen.
Further, above-mentioned power transmission tower rod member surface is also included by the computational methods of dust storm erosive wear weight loss:Will be total Erosive wear weight loss and sand and dust gross mass ESBusiness be defined as the erosion rate of test specimen.
The present invention considers that test specimen had not only been subject to cutting abrasion but also by formation abrasion, therefore, cutting punching is calculated respectively Erosion wear weight loss amount and deformation erosive wear weight loss, and according to cutting erosive wear weight loss and deformation erosive wear weight loss Determine total erosive wear weight loss of test specimen, reasonably calculate theory of the test specimen by dust storm erosive wear weight loss Value, i.e. the weight loss of test specimen coating or coating, be the steel constructions such as power transmission tower rod member coating and the design of coating, application with And protection provides theoretical foundation, and then make the steel constructions such as electric power pylon rod member safer.
On the other hand, the invention allows for a kind of power transmission tower rod member surface is filled by the calculating of dust storm erosive wear weight loss Put, it is characterised in that include:Tentative module, for carrying out dust storm test to test specimen;First computing module, for calculating Test specimen carries out the cutting erosive wear weight loss of dust storm test;Second computing module, for calculating test specimen sector-style is entered The deformation erosive wear weight loss of sand test;First determining module, for according to cutting erosive wear weight loss and deformation erosion Wear weight loss amount determines total erosive wear weight loss of test specimen.
Further, above-mentioned power transmission tower rod member surface is received in the computing device of dust storm erosive wear weight loss, and first calculates Module is additionally operable to:Obtain impact angle, erosion speed and the sand and dust gross mass of dust storm test;By impact angle and critical erosion angle Degree is compared;As 0 < α≤α0When, according to formulaIt is determined that cutting erosive wear weight loss E1, whenWhen, according to formulaIt is determined that cutting erosive wear weight loss E1;In above formula, α0For critical erosion Angle, EsFor sand and dust quality, v is erosion speed, and α is impact angle, and n is horizontal rebound degree factor, γ for cutting abrasion energy consumption because Number.
Further, above-mentioned power transmission tower rod member surface is received in the computing device of dust storm erosive wear weight loss, and second calculates Module is additionally operable to:Impact angle is compared with critical impact angle;As 0 < α≤α0When, according to formulaIt is determined that deformation erosive wear weight loss E2, whenWhen, according to formulaIt is determined that Deformation erosive wear weight loss E2;In above formula, α0For critical erosion angle, EsFor sand and dust quality, v is erosion speed, and α is erosion angle Degree, η is erosion formation abrasion energy consumption factor.
Further, during above-mentioned power transmission tower rod member surface is by the computing device of dust storm erosive wear weight loss, by cutting punching Erosion wear weight loss amount and deformation erosive wear weight loss sum are defined as total erosive wear weight loss of test specimen.
Further, above-mentioned power transmission tower rod member surface is also included by the computing device of dust storm erosive wear weight loss:Second Determining module, for by total erosive wear weight loss and sand and dust gross mass ESBusiness be defined as the erosion rate of test specimen.
The present invention considers that test specimen had not only been subject to cutting abrasion but also by formation abrasion, therefore, cutting punching is calculated respectively Erosion wear weight loss amount and deformation erosive wear weight loss, and according to cutting erosive wear weight loss and deformation erosive wear weight loss Determine total erosive wear weight loss of test specimen, reasonably calculate theory of the test specimen by dust storm erosive wear weight loss Value, i.e. the weight loss of test specimen coating or coating, be the steel constructions such as power transmission tower rod member coating and the design of coating, application with And protection provides theoretical foundation, and then make the steel constructions such as electric power pylon rod member safer.
Description of the drawings
By the detailed description for reading hereafter preferred implementation, various other advantages and benefit is common for this area Technical staff will be clear from understanding.Accompanying drawing is only used for illustrating the purpose of preferred implementation, and is not considered as to the present invention Restriction.And in whole accompanying drawing, it is denoted by the same reference numerals identical part.In the accompanying drawings:
Fig. 1 is computational methods of the power transmission tower rod member surface provided in an embodiment of the present invention by dust storm erosive wear weight loss Flow chart;
Fig. 2 is computational methods of the power transmission tower rod member surface provided in an embodiment of the present invention by dust storm erosive wear weight loss In, the structural representation of wind sand environment erosion test system;
Fig. 3 is computational methods of the power transmission tower rod member surface provided in an embodiment of the present invention by dust storm erosive wear weight loss In, calculating test specimen carries out the flow chart of cutting erosive wear weight loss step of dust storm test;
Fig. 4 is computational methods of the power transmission tower rod member surface provided in an embodiment of the present invention by dust storm erosive wear weight loss In, calculating test specimen carries out the flow chart of deformation erosive wear weight loss step of dust storm test;
Fig. 5 is computational methods of the power transmission tower rod member surface provided in an embodiment of the present invention by dust storm erosive wear weight loss Another flow chart;
Fig. 6 is computing device of the power transmission tower rod member surface provided in an embodiment of the present invention by dust storm erosive wear weight loss Structured flowchart;
Fig. 7 is computing device of the power transmission tower rod member surface provided in an embodiment of the present invention by dust storm erosive wear weight loss Another structured flowchart.
Specific embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in accompanying drawing Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure and should not be by embodiments set forth here Limited.On the contrary, there is provided these embodiments are able to be best understood from the disclosure, and can be by the scope of the present disclosure Complete conveys to those skilled in the art.It should be noted that in the case where not conflicting, embodiment in the present invention and Feature in embodiment can be mutually combined.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.
Embodiment of the method:
Referring to Fig. 1, Fig. 1 is that power transmission tower rod member surface provided in an embodiment of the present invention is counted by dust storm erosive wear weight loss The flow chart of calculation method.As illustrated, the method comprises the steps:
Step S1, to test specimen dust storm test is carried out.
Specifically, multiple test specimens can be cut down from power transmission tower rod member, when being embodied as, test specimen can be with For square block, also, test specimen has certain thickness and the length of side, and for example, the length of side of test specimen is 60mm~100mm, Thickness is 2mm~30mm.Additionally, the surface of test specimen has certain thickness anticorrosive coat or coating, for example, anticorrosive coat or plating The thickness of layer is 50 μm~150 μm.The anticorrosive coat of each test specimen or the thickness of coating can choose multiple specifications, for example, The thickness difference of the specification of each anticorrosive coat or coating is 50 μm, the test specimen number of the specification of each anticorrosive coat or coating is 50~ 500.Put each test specimen into wind sand environment erosion test system one by one.
Referring to Fig. 2, Fig. 2 shows the preferred structure of wind sand environment erosion test system provided in an embodiment of the present invention.Such as Shown in figure, pilot system can include:Air compressor 1, pressure maintaining valve 2, pressure-detecting device 3, spray gun 4, sandbox 5, valve 6, Erosion case 7, clamping device 8, wind speed detector 9, husky retracting device 10 and screen plate 11.Air compressor 1 and the ground entrance of spray gun 4 It is connected by the first pipeline, pressure maintaining valve 2 and pressure-detecting device 3 are set in turn in from left to right the first pipeline.Sandbox 5 and spray Rifle 4 is logical by second pipe connection, and valve 6 is arranged at the outlet of sandbox 5.The outlet of spray gun 4 is connected with erosion case 7, clamping Device 8 and wind speed detector 9 are placed in inside erosion case 7, and clamping device 8 is used to clamp test specimen, also, clamping device 8 Can adjust with the setting angle of erosion case 7, and then adjust the angle of test specimen.Wind speed detector 9 is used to detect dust storm speed Degree.Erosion bottom of device is provided with multiple holes, and husky retracting device 10 is placed in the bottom of erosion case 7, husky retracting device 10 and is horizontally set with There is screen plate 11, screen plate 11 is used to filter broken sand.
When carrying out erosion test, test specimen is installed on into clamping device 8, starts air compressor 1, and open sandbox 5 Valve 6, air forms the sand with certain flow rate through spray gun 4 and sand, and sand impacts the surface of test specimen, together When, wind speed detector 9 measures the speed for obtaining impacting test specimen surface sand.Sand after impact falls into husky retracting device 10, meanwhile, screen plate 11 filters out the sand of fragmentation, and complete sand is reclaimed to reuse.
Step S2, calculating test specimen carries out the cutting erosive wear weight loss of dust storm test.
Specifically, when test specimen carries out dust storm erosion test, cutting erosion can be subject to.Test specimen is in cutting erosion Under weight loss it is relevant with impact angle and erosion speed.Impact angle can be set by adjusting the angle of test specimen Fixed, erosion speed can be obtained by the detection of wind speed detector 9.
Step S3, calculating test specimen carries out the deformation erosive wear weight loss of dust storm test.
Specifically, when test specimen carries out dust storm erosion test, while by cutting erosion, deformation punching can be also subject to Erosion.Weight loss of the test specimen under deformation erosion is relevant with impact angle and erosion speed.Impact angle can pass through Setting, erosion speed can be detected and obtained the angle of adjustment test specimen by wind speed detector.
Step S4, according to cutting erosive wear weight loss and deformation erosive wear weight loss total erosion of test specimen is determined Wear weight loss amount.
Specifically, when test specimen carries out dust storm erosion test, while cutting erosion and deformation erosion are subject to, therefore, need Total erosive wear weight loss of test specimen is determined according to cutting erosive wear weight loss and deformation erosive wear weight loss.
In the present embodiment, it is contemplated that test specimen had not only been subject to cutting abrasion but also had been subject to formation abrasion, therefore, calculate cut respectively Erosive wear weight loss and deformation erosive wear weight loss are cut, and is lost according to cutting erosive wear weight loss and deformation erosive wear Weight determines total erosive wear weight loss of test specimen, reasonably calculates test specimen by dust storm erosive wear weight loss Theoretical value, the i.e. weight loss of test specimen coating or coating, be the steel constructions such as power transmission tower rod member coating and coating design, should With and protection provide theoretical foundation, and then make the steel constructions such as electric power pylon rod member safer.
Referring to Fig. 3, calculating test specimen carries out cutting erosive wear weight loss step S2 of dust storm test can be further Including:
Step S21, obtains impact angle, erosion speed and the sand and dust gross mass of dust storm test.
Specifically, before test, impact angle can be by adjusting the angle of test specimen setting, and erosion speed can be with Obtained by the detection of wind speed detector 9.Sand and dust gross mass can be weighed by electronic balance.
Step S22, impact angle is compared with critical impact angle.
Specifically, under different impact angles, cutting erosive wear weight loss and deformation erosive wear weight loss are different , it is therefore desirable to by impact angle α and critical impact angle α0It is compared.α0=pi/2 n, wherein, n be horizontal rebound degree because Element, it is relevant with grains of sand feature and erosion material property, multiple erosion test can be passed through, and according to coating and the species of anticorrosive coat Fitting obtains empirical calculation, and for example, through the Fitting Calculation, the n for drawing galvanizing coating is 1.43, therefore α0For 63 °.
Step S23, as 0 < α≤α0When, according to formulaIt is determined that cutting erosive wear weight loss E1, whenWhen, according to formulaIt is determined that cutting erosive wear weight loss E1, in above formula, α0For critical Erosion angle, EsFor sand and dust quality, v is erosion speed, and α is impact angle, and η is erosion formation abrasion energy consumption factor, and γ is cutting Abrasion energy consumption factor.
Specifically, the unit of γ is m2/s2, also, abrasion energy consumption factor γ is cut with grains of sand feature and erosion material Can be relevant, by multiple erosion test, and empirical calculation can be obtained according to the fitting of the species of coating and anticorrosive coat, for example, Through the Fitting Calculation, the γ for drawing galvanizing coating is 6.65 × 106m2/s2
In the present embodiment, test specimen is reasonably calculated according to impact angle, erosion speed and sand and dust gross mass and has been received The theoretical value of dust storm erosion cutting abrasion weight loss.
Referring to Fig. 4, calculating test specimen carries out deformation erosive wear weight loss step S3 of dust storm test can be further Including:
Step S31, impact angle is compared with critical impact angle.
Step S32, as 0 < α≤α0When, according to formulaIt is determined that deformation erosive wear weight loss E2;WhenWhen, according to formulaIt is determined that deformation erosive wear weight loss E2.In above formula, α0For critical erosion Angle, EsFor sand and dust quality, v is erosion speed, and α is impact angle, and η is erosion formation abrasion energy consumption factor.
Specifically, the unit of η is m2/s2, also, erosion formation abrasion energy consumption factor η and grains of sand feature and erosion material Performance is relevant, by multiple erosion test, and can obtain empirical calculation, example according to the fitting of the species of coating and anticorrosive coat Such as, through the Fitting Calculation, the η for drawing galvanizing coating is 2.64 × 107m2/s2
In the present embodiment, test specimen is reasonably calculated according to impact angle, erosion speed and sand and dust gross mass and has been received The theoretical value of dust storm erosion formation abrasion weight loss.
In above-described embodiment, cutting erosive wear weight loss and deformation erosive wear weight loss sum are defined as tested Total erosive wear weight loss of part.
Specifically, when test specimen carries out dust storm erosion test, while cutting erosion and deformation erosion are subject to, therefore, quilt Total erosive wear weight loss of test block is equal to cutting erosive wear weight loss and deformation erosive wear weight loss sum of the two.I.e. As 0 < α≤α0When,WhenWhen,Wherein, E is total erosive wear weight loss.
In the present embodiment, while consider cutting erosive wear weight loss and deformation erosive wear two kinds of situations of weight loss, and Total erosive wear that cutting erosive wear weight loss and deformation erosive wear weight loss sum of the two are defined as test specimen is lost Weight, reasonably calculates theoretical value of the test specimen by dust storm erosive wear weight loss, i.e. test specimen coating or coating Weight loss, design, application and the protection of coating and coating for steel constructions such as power transmission tower rod members provide theoretical foundation.
Referring to Fig. 5, Fig. 5 is that power transmission tower rod member surface provided in an embodiment of the present invention is counted by dust storm erosive wear weight loss The another flow chart of calculation method.As illustrated, the method comprises the steps:
Step S1, to test specimen dust storm test is carried out.
Step S2, calculating test specimen carries out the cutting erosive wear weight loss of dust storm test.
Step S3, calculating test specimen carries out the deformation erosive wear weight loss of dust storm test.
Step S4, according to cutting erosive wear weight loss and deformation erosive wear weight loss total erosion of test specimen is determined Wear weight loss amount.
Step S5, by total erosive wear weight loss and sand and dust gross mass ESBusiness be defined as the erosion rate of test specimen.
Specifically, the change of test specimen coating quality before and after erosion test, i.e. material are first measured using precision electronic balance Material is weightless, then measures the quality of sand, then erosion rate ε=material weightlessness (mg)/sand quality (g).When being embodied as, accurate electricity The precision of sub- balance can be 0.1mg.Erosion rate is bigger, illustrates that the erosion damage degree of test specimen coating is more serious.Additionally, By the material claimed using precision electronic balance weightlessness compared with the material weight loss calculated using formula in above-mentioned steps Compared with, and through lot of experiments, it is feasible to demonstrate formula.Wherein, step S1, step S2, step S3, step S4 it is concrete Implementation process is repeated no more again referring to above-described embodiment, the present embodiment.
In the present embodiment, the erosion damage journey of test specimen coating can be got information about by the size of erosion rate Degree, also, by the way that experiment to be measured the comparison of material weight loss and Theoretical Calculation material weight loss, demonstrate material weight loss Whether theoretical calculation formula is feasible.
To sum up, the present embodiment considers that test specimen had not only been subject to cutting abrasion but also by formation abrasion, therefore, calculate respectively Cutting erosive wear weight loss and deformation erosive wear weight loss, and according to cutting erosive wear weight loss and deformation erosive wear Weight loss determines total erosive wear weight loss of test specimen, reasonably calculates test specimen by dust storm erosive wear weight loss Theoretical value, i.e. the weight loss of test specimen coating or coating, be the steel constructions such as power transmission tower rod member coating and coating design, Using and protection provide theoretical foundation, and then make the steel constructions such as electric power pylon rod member safer.
Device embodiment:
Referring to Fig. 6, Fig. 6 is filled for the power transmission tower rod member surface that the present embodiment is provided by the calculating of dust storm erosive wear weight loss The structured flowchart put.As illustrated, the device includes:Tentative module (100), the first computing module (200), the second computing module And determining module (400) (300).Wherein, tentative module (100) to test specimen for carrying out dust storm test.First calculates mould Block (200) carries out the cutting erosive wear weight loss of dust storm test for calculating the test specimen.Second computing module (300) The deformation erosive wear weight loss of dust storm test is carried out for calculating the test specimen.First determining module (400) is for root Determine total erosive wear weight loss of test specimen according to cutting erosive wear weight loss and deformation erosive wear weight loss.Wherein, The specific implementation process of the device will not be described here referring to the explanation in said method embodiment, the present embodiment.
In the present embodiment, it is contemplated that test specimen had not only been subject to cutting abrasion but also had been subject to formation abrasion, therefore, calculate cut respectively Erosive wear weight loss and deformation erosive wear weight loss are cut, and is lost according to cutting erosive wear weight loss and deformation erosive wear Weight determines total erosive wear weight loss of test specimen, reasonably calculates test specimen by dust storm erosive wear weight loss Theoretical value, the i.e. weight loss of test specimen coating or coating, be the steel constructions such as power transmission tower rod member coating and coating design, should With and protection provide theoretical foundation, and then make the steel constructions such as electric power pylon rod member safer.
In above-described embodiment, the first computing module (200) is additionally operable to:Obtain impact angle, the erosion speed of dust storm test With sand and dust gross mass.Impact angle is compared with critical impact angle.As 0 < α≤α0When, according to formulaIt is determined that cutting erosive wear weight loss E1, whenWhen, according to formulaIt is determined that cutting erosive wear weight loss E1, in above formula, α0For critical erosion angle, EsFor sand and dust quality, v is punching Erosion speed, α is impact angle, and n is horizontal rebound degree factor, and γ is cutting abrasion energy consumption factor.Wherein, the concrete reality of the device Process is applied referring to the explanation in said method embodiment, the present embodiment will not be described here.
In the present embodiment, test specimen is reasonably calculated according to impact angle, erosion speed and sand and dust gross mass and has been received The theoretical value of dust storm erosion cutting abrasion weight loss.
In above-described embodiment, the second computing module (300) is additionally operable to:Impact angle is compared with critical impact angle Compared with.As 0 < α≤α0When, according to formulaIt is determined that deformation erosive wear weight loss E2, whenWhen, According to formulaIt is determined that deformation erosive wear weight loss E2, in above formula, α0For critical erosion angle, EsFor sand and dust matter Amount, v is erosion speed, and α is impact angle, and η is erosion formation abrasion energy consumption factor.Wherein, the specific implementation process of the device Referring to the explanation in said method embodiment, the present embodiment will not be described here.
In the present embodiment, test specimen is reasonably calculated according to impact angle, erosion speed and sand and dust gross mass and has been received The theoretical value of dust storm erosion formation abrasion weight loss.
In above-described embodiment, cutting erosive wear weight loss and deformation erosive wear weight loss sum are defined as tested Total erosive wear weight loss of part.
In the present embodiment, while consider cutting erosive wear weight loss and deformation erosive wear two kinds of situations of weight loss, and Total erosive wear that cutting erosive wear weight loss and deformation erosive wear weight loss sum of the two are defined as test specimen is lost Weight, reasonably calculates theoretical value of the test specimen by dust storm erosive wear weight loss, i.e. test specimen coating or coating Weight loss, design, application and the protection of coating and coating for steel constructions such as power transmission tower rod members provide theoretical foundation.
Referring to Fig. 7, Fig. 7 is that power transmission tower rod member surface provided in an embodiment of the present invention is counted by dust storm erosive wear weight loss Calculate the another structured flowchart of device.As illustrated, in the above-described embodiments, can also include:Second determining module 500, is used for By total erosive wear weight loss and sand and dust gross mass ESBusiness be defined as the erosion rate of test specimen.Wherein, the device is concrete Implementation process will not be described here referring to the explanation in said method embodiment, the present embodiment.
In the present embodiment, the erosion damage journey of test specimen coating can be got information about by the size of erosion rate Degree, also, by the way that experiment to be measured the comparison of material weight loss and Theoretical Calculation material weight loss, demonstrate material weight loss Whether theoretical calculation formula is feasible.
To sum up, the present embodiment considers that test specimen had not only been subject to cutting abrasion but also by formation abrasion, therefore, calculate respectively Cutting erosive wear weight loss and deformation erosive wear weight loss, and according to cutting erosive wear weight loss and deformation erosive wear Weight loss determines total erosive wear weight loss of test specimen, reasonably calculates test specimen by dust storm erosive wear weight loss Theoretical value, i.e. the weight loss of test specimen coating or coating, be the steel constructions such as power transmission tower rod member coating and coating design, Using and protection provide theoretical foundation, and then make the steel constructions such as electric power pylon rod member safer.
Those skilled in the art are it should be appreciated that embodiments herein can be provided as method, system or computer program Product.Therefore, the application can be using complete hardware embodiment, complete software embodiment or with reference to the reality in terms of software and hardware Apply the form of example.And, the application can be adopted and wherein include the computer of computer usable program code at one or more The computer program implemented in usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.) is produced The form of product.
The application is the flow process with reference to method, equipment (system) and computer program according to the embodiment of the present application Figure and/or block diagram are describing.It should be understood that can be by computer program instructions flowchart and/or each stream in block diagram The combination of journey and/or square frame and flow chart and/or the flow process in block diagram and/or square frame.These computer programs can be provided The processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce A raw machine so that produced for reality by the instruction of computer or the computing device of other programmable data processing devices The device of the function of specifying in present one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in can guide computer or other programmable data processing devices with spy In determining the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory is produced to be included referring to Make the manufacture of device, the command device realize in one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or The function of specifying in multiple square frames.
These computer program instructions also can be loaded in computer or other programmable data processing devices so that in meter Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented process, so as in computer or The instruction performed on other programmable devices is provided for realizing in one flow process of flow chart or multiple flow processs and/or block diagram one The step of function of specifying in individual square frame or multiple square frames.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the present invention to the present invention God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to comprising these changes and modification.

Claims (10)

1. the computational methods of dust storm erosive wear weight loss are received on a kind of power transmission tower rod member surface, it is characterised in that including following step Suddenly:
Dust storm test is carried out to test specimen;
Calculating the test specimen carries out the cutting erosive wear weight loss of dust storm test;
Calculating the test specimen carries out the deformation erosive wear weight loss of dust storm test;
Total erosive wear weight loss of test specimen is determined according to cutting erosive wear weight loss and deformation erosive wear weight loss.
2. the computational methods of dust storm erosive wear weight loss, its feature are received in power transmission tower rod member surface according to claim 1 It is that the test specimen that calculates carries out the cutting erosive wear weight loss of dust storm test, specifically includes:
Obtain impact angle, erosion speed and the sand and dust gross mass of dust storm test;
Impact angle is compared with critical impact angle;
As 0 < α≤α0When, according to formulaIt is determined that cutting erosive wear weight loss E1,
WhenWhen, according to formulaIt is determined that cutting erosive wear weight loss E1
In above formula, α0For critical erosion angle, EsFor sand and dust quality, v is erosion speed, and α is impact angle, n be horizontal rebound degree because Element, γ is cutting abrasion energy consumption factor.
3. the computational methods of dust storm erosive wear weight loss, its feature are received in power transmission tower rod member surface according to claim 1 It is that the test specimen that calculates carries out the deformation erosive wear weight loss of dust storm test, specifically includes:
Impact angle is compared with critical impact angle;
As 0 < α≤α0When, according to formulaIt is determined that deformation erosive wear weight loss E2,
WhenWhen, according to formulaIt is determined that deformation erosive wear weight loss E2
In above formula, α0For critical erosion angle, EsFor sand and dust quality, v is erosion speed, and α is impact angle, and η is erosion formation abrasion Energy consumption factor.
4. the computational methods of dust storm erosive wear weight loss, its feature are received in power transmission tower rod member surface according to claim 1 It is to lose total erosive wear that cutting erosive wear weight loss and deformation erosive wear weight loss sum are defined as test specimen Weight.
5. the computational methods of dust storm erosive wear weight loss, its feature are received in power transmission tower rod member surface according to claim 1 It is also to include:
By total erosive wear weight loss and sand and dust gross mass ESBusiness be defined as the erosion rate of test specimen.
6. the computing device of dust storm erosive wear weight loss is received on a kind of power transmission tower rod member surface, it is characterised in that included:
Tentative module, for carrying out dust storm test to test specimen;
First computing module, for calculating the test specimen cutting erosive wear weight loss of dust storm test is carried out;
Second computing module, for calculating the test specimen deformation erosive wear weight loss of dust storm test is carried out;
First determining module, for determining test specimen according to cutting erosive wear weight loss and deformation erosive wear weight loss Total erosive wear weight loss.
7. the computing device of dust storm erosive wear weight loss, its feature are received in power transmission tower rod member surface according to claim 6 Be, first computing module specifically for:
Obtain impact angle, erosion speed and the sand and dust gross mass of dust storm test;
Impact angle is compared with critical impact angle;
As 0 < α≤α0When, according to formulaIt is determined that cutting erosive wear weight loss E1,
WhenWhen, according to formulaIt is determined that cutting erosive wear weight loss E1
In above formula, α0For critical erosion angle, EsFor sand and dust quality, v is erosion speed, and α is impact angle, n be horizontal rebound degree because Element, γ is cutting abrasion energy consumption factor.
8. the computing device of dust storm erosive wear weight loss, its feature are received in power transmission tower rod member surface according to claim 6 Be, second computing module specifically for:
Impact angle is compared with critical impact angle;
As 0 < α≤α0When, according to formulaIt is determined that deformation erosive wear weight loss E2,
WhenWhen, according to formulaIt is determined that deformation erosive wear weight loss E2
In above formula, α0For critical erosion angle, EsFor sand and dust quality, v is erosion speed, and α is impact angle, and η is erosion formation abrasion Energy consumption factor.
9. the computing device of dust storm erosive wear weight loss, its feature are received in power transmission tower rod member surface according to claim 6 It is to lose total erosive wear that cutting erosive wear weight loss and deformation erosive wear weight loss sum are defined as test specimen Weight.
10. the computing device of dust storm erosive wear weight loss, its feature are received in power transmission tower rod member surface according to claim 9 It is also to include:
Second determining module, for by total erosive wear weight loss and sand and dust gross mass ESBusiness be defined as the erosion of test specimen Rate.
CN201610977711.3A 2016-11-07 2016-11-07 Calculation method and device for washout wear weight loss of surface of rod piece of power transmission tower by sandy wind Pending CN106599532A (en)

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