CN113092281B - Flat elevator traveling cable service life accelerated evaluation test method - Google Patents
Flat elevator traveling cable service life accelerated evaluation test method Download PDFInfo
- Publication number
- CN113092281B CN113092281B CN202110334446.8A CN202110334446A CN113092281B CN 113092281 B CN113092281 B CN 113092281B CN 202110334446 A CN202110334446 A CN 202110334446A CN 113092281 B CN113092281 B CN 113092281B
- Authority
- CN
- China
- Prior art keywords
- bending
- accelerated
- life
- elevator
- cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
-
- 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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
Abstract
The invention discloses a test method for the accelerated evaluation of the service life of a flat elevator traveling cable, which comprises the following steps: measuring the accelerated bending service life times of the elevator travelling cables with the same specification under different bending radiuses; measuring the accelerated bending service life times of elevator traveling cables of different specifications under different bending radiuses; measuring the vertical bending life times of the elevator traveling cables with different specifications under the standard bending diameter; drawing an accelerated bending life curve graph of different specifications under different bending diameters; drawing a relation curve graph of the accelerated bending life times and the vertical bending life times; and (4) actually measuring the accelerated bending life of the newly developed elevator traveling cable, and evaluating the running life of the cable by using a relation curve graph. The invention can conveniently realize the operation life evaluation of the elevator traveling cable in a short time, obviously shorten the development period and reduce the development cost.
Description
Technical Field
The invention relates to the technical field of elevator traveling cable service life evaluation.
Background
The service life of the elevator cable is directly related to the safety of an elevator system, and is a very concerned problem, so the elevator cable needs to be subjected to a bending life test for simulating operation in a development stage, and particularly a high-rise high-speed elevator cable is a necessary project. However, the bending life test period of the simulated operation is too long, so that elevator whole elevator manufacturers and trailing cable manufacturers are troubled all the time, and new cables of new elevator types cannot be put into batch production in time. A test period of around three months is still required, the test period is still relatively long, and the user still cannot fully accept the test results of accelerated bending life to represent an evaluation of the vertical simulated operating life. In addition, a three-month cycle is more inconvenient for material verification during development, particularly at an early development stage.
Disclosure of Invention
The invention aims to provide a test method for the accelerated evaluation of the bending life of a flat elevator traveling cable, which can conveniently and quickly evaluate the operation life of the elevator traveling cable. By the method, the bending life of the cable can be directly evaluated by the accelerated bending life, the scientificity and the credibility are increased, the early development period is greatly shortened, and the development cost is reduced.
The technical scheme for realizing the purpose is as follows:
a service life accelerated evaluation test method for a traveling cable of a flat elevator comprises the following steps:
s1, measuring the accelerated bending life times of the traveling cables of the same specification of the elevator under different bending radiuses;
s2, measuring the accelerated bending life times of the elevator travelling cables with different specifications under different bending radiuses;
s3, measuring the vertical bending life times of the elevator traveling cables with different specifications under the standard bending diameter;
step S4, drawing an accelerated bending life curve graph under different bending diameters according to results obtained in the step S1 and the step S2;
step S5, drawing a relation curve chart of the accelerated bending life times and the vertical bending life times according to the results obtained in the step S3 and the step S4;
and S6, actually measuring the accelerated bending service life of the newly developed elevator trailing cable, and evaluating the service life of the cable by using the relation curve chart.
Preferably, in the accelerated bending lifetime graph, the abscissa X represents an accelerated bending diameter, the ordinate Y represents the number of accelerated bending lifetimes, and the Y-axis coordinate is an exponential expression with units of ten thousand. And (3) representing elevator traveling cables with different specifications by using a plurality of groups of curves.
Preferably, in the relationship graph, the abscissa X represents the number of accelerated bending life, and the abscissa is an exponential expression with a unit of ten thousand; the ordinate Y represents the number of vertical bending life cycles in a linear form in ten thousand cycles, and the multiple sets of curves represent life characteristics of different bending diameters of the same specification or specification group.
Preferably, the different formats may be a plurality of individual cable formats or a group of formats of a similar series.
The invention has the beneficial effects that: the invention is used for the service life evaluation of the cable product in the design stage and the shaping stage, can quickly evaluate the vertical operation bending service life of the cable by only selecting the accelerated service life test suitable for the bending diameter, is convenient and quick, has lower cost, can obviously shorten the product development period, and saves the development cost. The product range of life evaluation can be expanded by using the research results of a plurality of specification groups. The method has important significance for improving the reliability of the actual operation of the elevator cable project.
Drawings
FIG. 1 is a flow chart of the test method for the accelerated evaluation of the service life of a traveling cable of a flat elevator;
FIG. 2 is a graph of accelerated bend life in accordance with the present invention;
FIG. 3 is a graph of the relationship of the present invention.
Detailed Description
The invention will be further explained with reference to the drawings.
Referring to fig. 1, the method for testing the service life of a traveling cable of a flat elevator comprises the following steps:
s1, measuring the accelerated bending life times of the traveling cables of the same specification of the elevator under different bending radii.
And S2, measuring the accelerated bending service life times of the elevator travelling cables with different specifications under different bending radiuses. The different gauges may be a plurality of individual cable gauges or gauge groups of similar structural families;
and S3, measuring the vertical bending life times of the elevator traveling cables with different specifications under the standard bending diameter.
And S4, drawing an accelerated bending life curve chart under different bending diameters according to the results obtained in the S1 and the S2. As shown in fig. 2, the abscissa X represents the accelerated bending diameter, the ordinate Y represents the number of accelerated bending lives, and the Y-axis coordinate is an exponential expression with the unit of ten thousand. And (4) representing the elevator traveling cables with different specifications by using a plurality of groups of curves.
And step S5, drawing a relation curve chart of the accelerated bending life times and the vertical bending life times according to the obtained results of the step S3 and the step S4. As shown in fig. 3, in the graph, the abscissa X represents the number of accelerated bending life, and the abscissa is an exponential expression with unit of ten thousand; the ordinate Y represents the number of vertical bending life times in a linear form in units of ten thousand, and the multiple sets of curves represent life characteristics of different bending diameters of the same specification or specification group.
And S6, actually measuring the accelerated bending service life of the newly developed elevator traveling cable with a certain bending diameter, selecting a corresponding specification or specification group, and directly evaluating the service life of the cable according to a relation curve graph.
In sum, the development cycle of a new product can be obviously shortened, the development cost is reduced, the product range of service life evaluation can be expanded by utilizing the research results of a plurality of specification groups, and the method has important significance for improving the reliability of the actual operation of the elevator cable project.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore all equivalent technical solutions should also fall into the scope of the present invention, and should be defined by the claims.
Claims (2)
1. A flat elevator traveling cable service life accelerated evaluation test method is characterized by comprising the following steps:
s1, measuring the accelerated bending life times of the traveling cables of the same specification of the elevator under different bending radiuses;
s2, measuring the accelerated bending life times of the elevator travelling cables with different specifications under different bending radiuses;
s3, measuring the vertical bending life times of the elevator travelling cables with different specifications under the standard bending diameter;
s4, drawing accelerated bending life curve graphs under different bending diameters according to results obtained in the S1 and the S2;
step S5, drawing a relation curve chart of the accelerated bending life times and the vertical bending life times according to the results obtained in the step S3 and the step S4;
s6, actually measuring the accelerated bending service life of the newly developed elevator traveling cable, and evaluating the cable running service life by using a relation curve graph;
in the accelerated bending life curve graph, the abscissa X represents the accelerated bending diameter, the ordinate Y represents the accelerated bending life times, and the coordinate of the Y axis is an exponential expression with the unit of ten thousand times; a plurality of groups of curves represent elevator traveling cables with different specifications;
in the relation curve graph of the accelerated bending life and the vertical bending life, an abscissa X represents the accelerated bending life times, and the abscissa is an exponential expression with the unit of ten thousand times; the ordinate Y represents the number of vertical bending life times in a linear form in units of ten thousand, and the multiple sets of curves represent life characteristics of different bending diameters of the same specification or specification group.
2. The flat type elevator traveling cable life accelerated evaluation test method according to claim 1, characterized in that the different specifications may be a plurality of individual cable specifications or a specification group of a similar structure series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110334446.8A CN113092281B (en) | 2021-03-29 | 2021-03-29 | Flat elevator traveling cable service life accelerated evaluation test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110334446.8A CN113092281B (en) | 2021-03-29 | 2021-03-29 | Flat elevator traveling cable service life accelerated evaluation test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113092281A CN113092281A (en) | 2021-07-09 |
| CN113092281B true CN113092281B (en) | 2023-03-17 |
Family
ID=76670776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110334446.8A Active CN113092281B (en) | 2021-03-29 | 2021-03-29 | Flat elevator traveling cable service life accelerated evaluation test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113092281B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1597684A1 (en) * | 1988-11-09 | 1990-10-07 | Всесоюзный научно-исследовательский институт горной геомеханики и маркшейдерского дела | Installation for testing samples of materials for bending |
| CN101216397A (en) * | 2008-01-10 | 2008-07-09 | 上海交通大学 | Elevator armored rope bending fatigue state experimental bench |
| CN201159712Y (en) * | 2008-01-18 | 2008-12-03 | 宝鸡石油钢管有限责任公司 | Semi-automatic continuous oil tube fatigue testing machine |
| WO2009110440A1 (en) * | 2008-03-04 | 2009-09-11 | 新日鐵化学株式会社 | Method of predicting bend lifetime of laminated body, prediction device of bend lifetime of laminated body, prediction program of bend lifetime of laminated body, and recording medium |
| WO2015029753A1 (en) * | 2013-08-29 | 2015-03-05 | 三菱電機株式会社 | Elevator rope lifespan diagnosing device |
| CN104614261A (en) * | 2015-01-30 | 2015-05-13 | 中国矿业大学 | Bending fatigue damage monitoring system for steel wire under action of corrosion-alternating load coupling |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305742B (en) * | 2011-05-31 | 2013-04-17 | 河南省煤炭科学研究院有限公司 | Hydraulic horizontal steel wire rope bending fatigue testing machine and annular combined gasket |
| CN203337496U (en) * | 2013-06-06 | 2013-12-11 | 上海卡迪夫电缆有限公司 | U-shaped bending diameter variation testing apparatus for ultra-high speed elevator traveling cable |
| CN103278720B (en) * | 2013-06-08 | 2016-07-06 | 上海南洋-藤仓电缆有限公司 | Flat type cable dynamic stability test device and method |
| CN203758851U (en) * | 2014-03-21 | 2014-08-06 | 西安富士达线缆有限公司 | Fatigue bending tester applicable to radio frequency coaxial cable component |
| CN106198252A (en) * | 2016-08-30 | 2016-12-07 | 无锡通用钢绳有限公司 | A kind of tester for steel wire rope bending fatigue |
| CN107036880A (en) * | 2017-03-08 | 2017-08-11 | 株洲中车时代电气股份有限公司 | Track traffic electronics veneer acceleration service life test method |
| CN107247002A (en) * | 2017-04-20 | 2017-10-13 | 北京航空航天大学 | Consider the turbine rotor blade accelerated life test load design method of flight damage |
| CN108844830A (en) * | 2018-06-30 | 2018-11-20 | 张妮 | A kind of data line bend testing apparatus |
| CN212539926U (en) * | 2020-06-02 | 2021-02-12 | 昆山品志金属材料有限公司 | Testing device for testing bending life of copper wire |
-
2021
- 2021-03-29 CN CN202110334446.8A patent/CN113092281B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1597684A1 (en) * | 1988-11-09 | 1990-10-07 | Всесоюзный научно-исследовательский институт горной геомеханики и маркшейдерского дела | Installation for testing samples of materials for bending |
| CN101216397A (en) * | 2008-01-10 | 2008-07-09 | 上海交通大学 | Elevator armored rope bending fatigue state experimental bench |
| CN201159712Y (en) * | 2008-01-18 | 2008-12-03 | 宝鸡石油钢管有限责任公司 | Semi-automatic continuous oil tube fatigue testing machine |
| WO2009110440A1 (en) * | 2008-03-04 | 2009-09-11 | 新日鐵化学株式会社 | Method of predicting bend lifetime of laminated body, prediction device of bend lifetime of laminated body, prediction program of bend lifetime of laminated body, and recording medium |
| WO2015029753A1 (en) * | 2013-08-29 | 2015-03-05 | 三菱電機株式会社 | Elevator rope lifespan diagnosing device |
| CN104614261A (en) * | 2015-01-30 | 2015-05-13 | 中国矿业大学 | Bending fatigue damage monitoring system for steel wire under action of corrosion-alternating load coupling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113092281A (en) | 2021-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113092281B (en) | Flat elevator traveling cable service life accelerated evaluation test method | |
| CN113933074A (en) | Suspension assembly road simulation test method based on standardized load spectrum | |
| CN107908806B (en) | Simulation calculation method and simulation test device for tension change of single-gear wire of power transmission line | |
| CN112327194A (en) | Lithium battery capacity diving identification method and device | |
| CN111881564A (en) | Method for predicting amplitude-variable fatigue life of mechanical structure | |
| CN109024019B (en) | Online simulation detection device for paying-off tension of strander and tension debugging method | |
| CN209310981U (en) | A kind of pressure gauge automatic calibrator | |
| CN103278720B (en) | Flat type cable dynamic stability test device and method | |
| CN112730057A (en) | Method for evaluating long-term service life of brittle solid material under action of compressive load | |
| CN105387989A (en) | Method for providing metal wires on pipeline model to simulate wind-resisting characteristic of suspension cable pipe bridge | |
| CN109946069B (en) | Numerical control equipment drag chain reliability accelerated test method based on load spectrum | |
| CN114019277A (en) | Test method for checking service life of film capacitor for electric automobile | |
| CN107505125A (en) | Linear rolling guide reliability accelerated test method | |
| CN113008692A (en) | Tensile testing machine for metal corrugated pipe | |
| CN107390085A (en) | A kind of cable system accelerated storage test method and its device | |
| CN114324026B (en) | Service life inspection and evaluation method for vehicle-end jumper cable | |
| CN111157201B (en) | Method for constructing accelerated superss random vibration test section | |
| CN207081732U (en) | Cord detection means | |
| CN111167979A (en) | Trial production process of spring produced by using steel wire | |
| CN207268701U (en) | One kind deflects test terminal | |
| CN115422190A (en) | Information management method for large-diameter pipeline support and hanger of ocean platform | |
| CN211317172U (en) | Automobile part integral automatic detection gauge | |
| CN1410688A (en) | High temperature alloy spring for steam turbine steam locking and its processing method and detecting installation | |
| CN113836709B (en) | Method for evaluating abrasion rate of reactor core finger sleeve | |
| CN219390744U (en) | Quick unordered measurement function examines utensil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |