RU2015122719A - METHOD FOR EVALUATING EXTERNAL AND INTERNAL PARAMETERS OF FRICTION UNITS UNDER TEST IN STAND CONDITIONS - Google Patents
METHOD FOR EVALUATING EXTERNAL AND INTERNAL PARAMETERS OF FRICTION UNITS UNDER TEST IN STAND CONDITIONS Download PDFInfo
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- RU2015122719A RU2015122719A RU2015122719A RU2015122719A RU2015122719A RU 2015122719 A RU2015122719 A RU 2015122719A RU 2015122719 A RU2015122719 A RU 2015122719A RU 2015122719 A RU2015122719 A RU 2015122719A RU 2015122719 A RU2015122719 A RU 2015122719A
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- model
- ratio
- friction
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- 238000000034 method Methods 0.000 title claims abstract 5
- 238000012360 testing method Methods 0.000 title claims abstract 3
- 239000000463 material Substances 0.000 claims abstract 10
- 230000003993 interaction Effects 0.000 claims abstract 6
- 230000008859 change Effects 0.000 claims abstract 4
- 230000000694 effects Effects 0.000 claims abstract 4
- 239000002184 metal Substances 0.000 claims abstract 4
- 239000000126 substance Substances 0.000 claims abstract 4
- 238000012546 transfer Methods 0.000 claims abstract 3
- 230000008569 process Effects 0.000 claims abstract 2
- 238000005406 washing Methods 0.000 claims 6
- 230000009471 action Effects 0.000 claims 3
- 230000004907 flux Effects 0.000 claims 3
- 230000010355 oscillation Effects 0.000 claims 2
- 230000021615 conjugation Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000005336 cracking Methods 0.000 claims 1
- 238000011161 development Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 230000006911 nucleation Effects 0.000 claims 1
- 238000010899 nucleation Methods 0.000 claims 1
- 230000035515 penetration Effects 0.000 claims 1
- 230000010363 phase shift Effects 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
- 230000002336 repolarization Effects 0.000 claims 1
- 230000035939 shock Effects 0.000 claims 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D49/00—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like
- F16D49/08—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like shaped as an encircling band extending over approximately 360 degrees
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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
- G01N3/56—Investigating resistance to wear or abrasion
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Pulleys (AREA)
- Braking Arrangements (AREA)
Abstract
Способ оценки внешних и внутренних параметров узлов трения при испытании в стендовых условиях, при которой механические системы объектной и модельной структуры, состоящие из подсистем, при их контактно-импульсном электротермомеханическом фрикционном взаимодействии, находящихся во взаимодействии с конструктивными особенностями, линейным или полиноминальным законами изменения тахограмм металлического фрикционного элемента пары трения, а также со скоростной, силовой, электрической, тепловой и химическими характеристиками узла трения, составляющими его единое поле энергетического взаимодействия, при условии, что между внешними и внутренними параметрами «объекта» и «модели» обеспечиваются следующие соотношения:- отношения масс объекта (М) и модели (m) равно;- отношение линейных размеров объекта (L) и модели (l) равно геометрическому масштабному подобию L/l=С;- отношение полированных площадей объекта (S) и модели (s) равно;- отношение матовых площадей объекта (S) и модели (s) равно;- отношение физико-механических параметров материалов коэффициентов теплопроводности и температуропроводности, температур и их градиентов, коэффициентов теплоотдачи; твердость, модуль упругости, предел прочности, сопротивление срезу и т.д. объекта (Ф) и модели (ф) равно Ф/ф=С=1,0;- отношение внешних сил, действующих на элементы пары трения, объекта (F) и модели (f) равно- отношение времени протекания исследуемых процессов, явлений и эффектов в объекте (ζ) и модели (τ) равно ζ/τ=С=1,0, которые соблюдаются при следующих допустимых внешних параметрах:- отношение натяжения набегающей ветви (S) и натяжения сбегающей ветви (S) тормозной ленты составляет S/S≤[n];- удельные нагрузки (р) не превышаютA method for evaluating the external and internal parameters of friction units during testing under bench conditions, in which mechanical systems of an object and model structure, consisting of subsystems, during their contact-pulse electrothermomechanical frictional interaction, interacting with structural features, linear or polynomial laws of change of metal tachograms friction element of a friction pair, as well as with high-speed, power, electrical, thermal and chemical characteristics of friction unit I, constituting its single field of energy interaction, provided that the following relations are provided between the external and internal parameters of the “object” and “model”: - the mass ratios of the object (M) and the model (m) are equal; - the ratio of the linear dimensions of the object (L ) and model (l) is equal to the geometric scale similarity L / l = С; - the ratio of the polished areas of the object (S) and the model (s) is equal; - the ratio of the matte areas of the object (S) and the model (s) is equal; - the ratio of the physical mechanical parameters of materials thermal conductivity and temperature conductivity, temperatures and their gradients, heat transfer coefficients; hardness, modulus, tensile strength, shear resistance, etc. object (Ф) and model (f) is equal to Ф / ф = С = 1,0; - the ratio of external forces acting on the elements of the friction pair, object (F) and model (f) is the ratio of the time of the studied processes, phenomena and effects in the object (ζ) and model (τ) is ζ / τ = С = 1,0, which are observed with the following admissible external parameters: - the ratio of the tension of the running branch (S) and the tension of the running branch (S) of the brake belt is S / S≤ [n]; - specific loads (p) do not exceed
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RU2015122719A RU2647338C2 (en) | 2015-06-11 | 2015-06-11 | Method for evaluating external and internal parameters of friction units when tested in bench conditions |
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RU2015122719A RU2647338C2 (en) | 2015-06-11 | 2015-06-11 | Method for evaluating external and internal parameters of friction units when tested in bench conditions |
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RU2015122719A true RU2015122719A (en) | 2016-12-27 |
RU2647338C2 RU2647338C2 (en) | 2018-03-15 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109916810A (en) * | 2018-12-28 | 2019-06-21 | 中国矿业大学(北京) | The simulation of dry type sliding friction pair interface transient temperature and test macro and disk disk module |
CN113513291A (en) * | 2021-04-22 | 2021-10-19 | 陕西长庆专用车制造有限公司 | Intermittent-open oil pumping unit and intermittent-open control method |
CN114459941A (en) * | 2021-12-29 | 2022-05-10 | 宁波职业技术学院 | Method and system for predicting cracking risk of stator part in exhaust system |
Families Citing this family (2)
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CN110288188A (en) * | 2019-05-21 | 2019-09-27 | 中国矿业大学 | A kind of coupling fault dynamic reliability appraisal procedure of the middle pan of scraper conveyor |
RU2745382C1 (en) * | 2020-03-19 | 2021-03-24 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Ростовский государственный университет путей сообщения" (ФГБОУ ВО РГУПС) | Method for dynamic monitoring of high mobile non-linear technical systems |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1600114B1 (en) * | 1967-02-07 | 1970-04-23 | Stoeckicht Alexander W | Cylinder friction clutch or brake operated by means of fluid pressure |
FR2268192B1 (en) * | 1974-04-16 | 1977-10-07 | Sabes & Cie | |
RU2279579C2 (en) * | 2004-08-30 | 2006-07-10 | Государственное образовательное учреждение высшего профессионального образования "Кубанский государственный технологический университет" (ГОУВПО "КубГТУ") | Method of heating and cooling brake pulleys of belt-block brake of draw-works at estimation of their thermal balance |
RU2357130C2 (en) * | 2007-03-27 | 2009-05-27 | Ивано-Франковский национальный технический университет нефти и газа | Method for control of specific loads in strands of brake belt of belt-block brake of draw works |
RU2357131C2 (en) * | 2007-07-23 | 2009-05-27 | Ивано-Франковский национальный технический университет нефти и газа | Method for determination of zone of initial interaction of friction pairs in belt-block brakes of draw works |
-
2015
- 2015-06-11 RU RU2015122719A patent/RU2647338C2/en not_active IP Right Cessation
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109916810A (en) * | 2018-12-28 | 2019-06-21 | 中国矿业大学(北京) | The simulation of dry type sliding friction pair interface transient temperature and test macro and disk disk module |
CN109916810B (en) * | 2018-12-28 | 2024-05-07 | 中国矿业大学(北京) | Dry sliding friction pair interface transient temperature simulation and test system and disc module |
CN113513291A (en) * | 2021-04-22 | 2021-10-19 | 陕西长庆专用车制造有限公司 | Intermittent-open oil pumping unit and intermittent-open control method |
CN114459941A (en) * | 2021-12-29 | 2022-05-10 | 宁波职业技术学院 | Method and system for predicting cracking risk of stator part in exhaust system |
CN114459941B (en) * | 2021-12-29 | 2023-11-21 | 宁波职业技术学院 | Method and system for predicting cracking risk of stator component in exhaust system |
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RU2647338C2 (en) | 2018-03-15 |
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