CN108225254A - A kind of lateral pivot angle detection method of flat type elevator cable vertical hanging - Google Patents
A kind of lateral pivot angle detection method of flat type elevator cable vertical hanging Download PDFInfo
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- CN108225254A CN108225254A CN201711495258.3A CN201711495258A CN108225254A CN 108225254 A CN108225254 A CN 108225254A CN 201711495258 A CN201711495258 A CN 201711495258A CN 108225254 A CN108225254 A CN 108225254A
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- cable
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- flat type
- steel wire
- pivot angle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
Abstract
The invention discloses a kind of lateral pivot angle detection methods of flat type elevator cable vertical hanging, one end of sample cable is fixed, the other end is fixed on the trolley that can vertically move, take the shape of the letter U suspension, naked copper flexible cord is fixed respectively in U-shaped two bottom sides, an auxiliary steel wire rope is respectively hung before and after sample cable, naked copper flexible cord and two auxiliary steel wire ropes access pulse trigger by insulated conductor.At the trial, the trolley end of sample cable is displaced downwardly to cable to take the shape of the letter U in J-shaped, then by cable is moved on trolley, during which passes through mobile auxiliary steel wire rope detection cable U-shaped bottom maximum transversal pivot angle.The detection method of the present invention defines the quality index that another item is directly related with cable dynamic stability and can quantitatively detect, whether the dynamic stability of energy direct quantitative detection flat type elevator trailing cable swing meets design and use requirement, and facilitate the compound matching for realizing two flat type cables, to ensure the security reliability of elevator operation.
Description
Technical field
The present invention relates to a kind of cable tests, and in particular to a kind of lateral pivot angle of flat type elevator cable vertical hanging
Detection method.
Background technology
Elevator is the basic facilities of modern high-rise building, with the rapid development of economy, the paces of urban construction constantly add
Soon, urban skyscraper quantity is increasing, and the elevator speed of architectural design is getting faster, and elevator installation hoistway is less and less,
It is required that elevator trailing cable has good operation state stability, during elevator high-speed cruising, do not generate and control, is front and rear
Over range swing, to avoid cable in running process of elevator grazing to hoistway component or elevator cage and cause cable with
Parts damages lead to elevator interruption of service and loss.When especially two trailing cables are used in combination, with greater need for two electricity of matching
The dynamic stability of cable.
Domestic early stage studies use the characteristic of elevator cable less, and most mass propertys for laying particular emphasis on product manufacturing are ground
Study carefully.As client's requirement is continuously improved, the country had begun working on elevator cable usability in recent years, particularly ran
Stability.
Chinese patent CN103278720B provides a kind of flat type cable dynamic stability test device and method, device packet
Test tower, hoist engine, moving trolley are included, multiple touchings is installed close to switch on the inner wall of test tower, makes flat type in vertical direction
Cable movement end motion one back and forth, the dynamic stability of flat type cable is judged according to the triggering situation of touching close to switch.It should
Invention can carry out qualitative test and judgement, but it is steady to measure swinging for cable to the dynamic stability of elevator cable
It is qualitative, it is impossible to measure the stability of swing, specific mass property and index not formulated to dynamic stability, and necessary yet
Operation test is carried out by the test tower for being equipped with specific touching close to switch, experiment difficulty is big, of high cost.
Chinese patent CN103308003B provides a kind of Super High ultrahigh speed flat type elevator cable vertical hanging deflection angle
Detection method is spent, for type approval test and the detection of routine check.Including：Make 2 steel wire ropes that flat cable stretches out according to finished product
Cable is installed suspending way on elevator and is lifted on cable testing tower, perpendicular free suspension state；Using laser measuring apparatus
It carries out three times that deflection angle measures under different situations, is 30 meters in the height of test tower, the vertical deflection angle of flat cable
Degree is qualified in the range of ± 20 degree.The present invention defines the quantizations relevant with dynamic stability of flat type elevator cable to refer to
Mark, important function has been played to the increased quality of flat type cable.With going deep into for research, static vertical deflection angle is found
Measuring method can not characterize elevator cable dynamic stability completely, situation about being used in combination in particular by two flat cables
Under, it is impossible to ensure to realize the matching of dynamic characteristic, there is an urgent need to a kind of swing dynamic characteristics of quantitatively characterizing elevator cable
Qualitative items and test method.
Invention content
A kind of horizontal stroke of flat type elevator cable vertical hanging is provided it is an object of the invention to overcome the deficiencies in the prior art
To pivot angle detection method, whether the dynamic stability of energy direct quantitative detection flat type elevator trailing cable swing meets design
And requirement, and facilitate the compound matching for realizing two flat type cables, to ensure the security reliability of elevator operation.
The object of the present invention is achieved like this：A kind of lateral pivot angle detection method of flat type elevator cable vertical hanging,
For the type approval test of product, verification test and match test, described detection method includes the following steps：
Sample electrical cable step is made, selects the flat type elevator cable of a suitable length, and in selected flat type elevator
Section of getting on the bus, interlude and the section of getting off of cable produce a sample cable respectively；
Hang sample electrical cable step, one end of sample cable is fixed, the other end be fixed on can vertically move it is small
As trolley end on vehicle, the sample cable is made to be formed under J-shaped by suspension interval S and is hanged；
Auxiliary connecting device and detection device step, including：
A, the trolley end is moved upward to sample cable to take the shape of the letter U, in the front and back position respectively suspension one of the center line of U-shaped
Root auxiliary steel wire rope, the upper end of two auxiliary steel wire ropes are respectively hung on roller devices, which is mounted on and sample electricity
It can be moved forward and backward on the fixing end same plane of cable and in the horizontal direction；A weight has been hung respectively in the lower end of two auxiliary steel wire ropes
Hammer；
B, it is symmetrical using the bottom centre of the sample cable for the suspension that takes the shape of the letter U, in the two bottom sides insulating cement of sample cable
Band fixes a naked copper flexible cord respectively, and ensures that naked copper flexible cord is close to the center of the side surface of sample cable, in naked copper flexible cord
Continuously exposed length is not less than 200mm, the center insulating tape in the upper surface of the U-shaped bottom of sample cable for center portion position
An insulated conductor is fixed, and by one end of insulated conductor and two naked copper flexible cord good connections, the other end of insulated conductor draws
Pulse trigger device is accessed after to the fixing end of sample cable；
C, pulse trigger is accessed into the upper end of two auxiliary steel wire ropes；
The trolley end of sample cable is displaced downwardly to sample cable in J-shaped, then sample electricity will be moved on trolley end by detecting step
Cable takes the shape of the letter U, and the forward or a backward maximum amplitude of oscillation alarm point of sample cable is during which determined by mobile auxiliary steel wire rope；When sample electricity
When cable reaches the position of forward or a backward maximum amplitude of oscillation alarm point, alarm point label is carried out on auxiliary steel wire rope, then measure mark
Note point and auxiliary steel wire rope suspension the distance between top H, and the horizontal distance L of measurement markers point and U-shaped center line, by with
Lower formula is the maximum transversal pivot angle θ that can obtain sample cable：
θ=arctan (L-D/2-d)/H, D is the width of sample cable in formula, and d is the diameter of naked copper flexible cord；
Three sample cables are detected by above-mentioned steps.
Above-mentioned flat type elevator cable vertical hanging maximum transversal pivot angle detection method, wherein, the sample cable length
For 24m or 30m.
Above-mentioned flat type elevator cable vertical hanging maximum transversal pivot angle detection method, wherein, the suspension interval S is electricity
U-shaped bending diameter of the cable under test temperature.
Above-mentioned flat type elevator cable vertical hanging maximum transversal pivot angle detection method, wherein, the sample cable is vertical
The maximum transversal pivot angle θ of suspension is not more than 4 degree.
Above-mentioned flat type elevator cable vertical hanging maximum transversal pivot angle detection method, wherein, the roller devices use
Non-metallic material makes the auxiliary steel wire rope insulate with ground.
Above-mentioned flat type elevator cable vertical hanging maximum transversal pivot angle detection method, wherein, when being detected step, institute
It is to generate in electrical contact to make the list by the naked copper flexible cord on the sample cable and auxiliary steel wire rope to state the determining of alarm point
Pulse trigger causes pulse, and then drives acoustic-optic alarm.
The lateral pivot angle detection method of the flat type elevator cable vertical hanging of the present invention, type approval test for product are tested
Confirmatory test and match test.It is the achievement furtherd investigate to elevator cable dynamic operation performance, has formulated cable dynamic stability
Another quantizating index, and invented feasible detection method, suitable for the type approval test of flat type elevator cable, verification test and
It with experiment, develops high-end elevator cable product for China and provides another research method, be particularly conducive to small hoistway electricity consumption ladder electricity
Cable, the product development of high-rise high speed elevator cable and technological progress, and can facilitate and solve the matching problem that two cables are used in combination,
Has important social economic value.
Description of the drawings
Fig. 1 is the schematic diagram of the flat type elevator cable vertical hanging maximum transversal pivot angle detection method of the present invention；
Fig. 2 is to carry out making sample electricity in the flat type elevator cable vertical hanging maximum transversal pivot angle detection method of the present invention
The sectional view of manufactured sample cable after cable step；
Fig. 3 is that suspension sample electricity is carried out in the flat type elevator cable vertical hanging maximum transversal pivot angle detection method of the present invention
The schematic diagram of cable step；
Fig. 4 is to be detected step in the flat type elevator cable vertical hanging maximum transversal pivot angle detection method of the present invention
Schematic diagram；
Fig. 5 a are to maximum transversal pivot angle schematic diagram before flat type elevator cable vertical hanging；
Fig. 5 b are to maximum transversal pivot angle schematic diagram after flat type elevator cable vertical hanging.
In figure：1 is the sample cable after vertical hanging；2 be moving trolley；3 for before sample cable to the maximum amplitude of oscillation；4 are
To the maximum amplitude of oscillation after sample cable；5th, 6 be auxiliary steel wire rope；7th, 8 be roller devices；9th, 10 be naked copper flexible cord；11 be pulse
Trigger；12 be alarm lamp；13 be buzzer.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
It please refers to Fig.1 to Fig. 5 b, a kind of lateral pivot angle detection method of flat type elevator cable vertical hanging of the invention, fits
For carry the super multicore of tension component, the type approval test of high-rise high speed or Super High ultrahigh speed flat type cable, verification test and
Match test is also applied for type approval test, verification test and the matching examination of the common flat type elevator cable without tension component
It tests.
The flat type elevator cable vertical hanging maximum transversal pivot angle detection method of the present invention, can be in elevator cable test tower
Upper implementation, of the invention detection method includes the following steps：
Sample electrical cable step is made, manufactures the flat type elevator cable of a suitable length, for this experiment, if carry out
It is type approval test, the length of the flat type elevator cable of manufacture is at least 120 meters, in getting on the bus for manufactured flat type elevator cable
Three sample cables are made in section, interlude and separately sampled 24 meters of section of getting off, and the width of sample cable is D (see Fig. 2)；
Hang sample electrical cable step, one end of sample cable 1 is fixed, the other end be fixed on can vertically move it is small
As trolley end on vehicle 2, the mode that fixing means should install hanging with finished cable on elevator is identical；Make 1 shape of sample cable
It is hung into J-shaped, suspension interval S is U-shaped bending diameter value of the cable under test temperature (see Fig. 3)；
Auxiliary connecting device and detection device step, including：
A, the trolley end of sample cable is moved upward to sample cable to take the shape of the letter U, 400 before and after the center line of U-shaped ±
Respectively a piece auxiliary steel wire rope of suspension, the upper end of two auxiliary steel wire ropes 5,6 are respectively hung on roller devices 7,8 for the position of 20mm,
The roller devices are mounted on and can be moved forward and backward on the fixing end same plane of sample cable 1 and in the horizontal direction；Two auxiliary
A weight (see Fig. 4) has been hung in the lower end of steel wire rope 5,6 respectively, is horizontal ruler (not shown) above two weights；
B, it is symmetrical using the bottom centre of the sample cable for the suspension that takes the shape of the letter U, in the two bottom sides insulating cement of sample cable
The 5 class naked copper flexible cords 9,10 with each one 300 ± 50mm of root long of self-retaining, naked copper flexible cord 9,10D specification be 0.75mm2, diameter
For d, and ensure that naked copper flexible cord 9,10 is close to the center of the side surface of sample cable 1, the centre of naked copper flexible cord 9,10 is continuous
Exposed length is not less than 200mm, and a 0.5mm is fixed with insulating tape in the center of the upper surface of sample cable 12It is exhausted
Edge conducting wire (not shown), and by one end of the insulated conductor and two naked copper flexible cords 9,10 good connections, insulated conductor it is another
Pulse trigger device 11 is accessed in one end after leading to the fixing end of sample cable；
C, pulse trigger device 11 is accessed into the upper end of two auxiliary steel wire ropes 5,6 by insulated conductor；
Detecting step, in detection process：When 1 swing of sample cable touches auxiliary steel wire rope 5,6, i.e. sample electricity
Naked copper flexible cord 9,10 on cable 1 and auxiliary steel wire rope 5,6, which generate, in electrical contact makes pulse trigger 11 cause pulse, and then drive
Dynamic acoustic-optic alarm (alarm lamp 12 and buzzer 13) sends out sound-light alarm (see Fig. 1).
The method of detecting step is：The trolley end of sample cable is displaced downwardly to bottom makes sample cable be in J-shaped, then will
Sample cable is moved on trolley end to take the shape of the letter U, and during which determines sample cable forward or a backward most by mobile two auxiliary steel wire ropes
Long arc alarm point；When sample cable reaches forward or a backward maximum amplitude of oscillation alarm point position, carried out on auxiliary steel wire rope
Alarm point marks, then the distance between measurement markers point and auxiliary steel wire rope suspension top H, and passes through horizontal ruler mark-sense
The horizontal distance L of point and U-shaped center line is that can obtain the maximum transversal pivot angle θ of sample cable by the following formula：
θ=arctan (L-D/2-d)/H, D is the width of sample cable in formula, and d is the diameter of naked copper flexible cord.
Detecting step is now illustrated as specific embodiment using the situation of sample cable swing backward.
The trolley end of sample cable 1 is moved down, it is in J-shaped to make sample cable, then sample cable will be moved on trolley end in U
During which shape observes the swing amplitude of sample cable 1, the idler wheel dress at 5 top of auxiliary steel wire rope at 1 rear of adjustment sample cable
Put 7, make sample cable 1 it is rear to maximum amplitude of oscillation state 3 when, just touched with auxiliary steel wire rope 5；To ensure sample cable 1
It is the backward maximum amplitude of oscillation of sample cable with 5 contact point of auxiliary steel wire rope, needs to adjust the anteroposterior position of auxiliary steel wire rope 5 repeatedly
It puts, i.e., the backward maximum amplitude of oscillation from visually is lighted, mobile auxiliary steel wire rope 5 to alarm, then by the increment of 10mm to connecing
The negative direction movement auxiliary steel wire rope 5 of contact, until the position of alarm free；Period often moves an auxiliary steel wire rope 5, trolley end
Once being moved up and down, after auxiliary steel wire rope 5 arrives alarm free position, trolley end moves up and down three times, after equal alarm free, then will
Auxiliary steel wire rope 5 is moved to the direction of contact point, and next alarm point is backward maximum amplitude of oscillation point.On auxiliary steel wire rope 5
Backward maximum amplitude of oscillation point label is carried out, then measurement markers point hangs the distance between top H1, and pass through water with auxiliary steel wire rope 5
The horizontal distance L1 of flat scale mark-sense point and U-shaped center line, by the following formula be can obtain sample cable 1 it is backward most
Big transverse direction pivot angle θ 1：
θ 1=arctan (L1-D/2-d)/H1, D is the width of sample cable in formula, and d is the diameter of naked copper flexible cord.
The similary forward direction maximum transversal pivot angle θ 2 that sample cable can be measured using the above method.
Maximum value in θ 1, θ 2 is the vertical hanging maximum transversal pivot angle θ of sample cable.
Three sample cables are detected by above-mentioned each step.The maximum transversal pivot angle θ values of three samples are without departing from 4
Degree is ranging from qualified.
The lateral pivot angle detection method of the flat type elevator cable vertical hanging of the present invention, type approval test for product are tested
Confirmatory test and match test.It is the achievement furtherd investigate to elevator cable dynamic operation performance, has formulated cable dynamic stability
Another quantizating index, and invented feasible detection method, suitable for the type approval test of flat type elevator cable, verification test and
It with experiment, develops high-end elevator cable product for China and provides another research method, be particularly conducive to small hoistway electricity consumption ladder electricity
Cable, the product development of high-rise high speed elevator cable and technological progress, and can facilitate and solve the matching problem that two cables are used in combination,
Has important social economic value.
Above example is used for illustrative purposes only rather than limitation of the present invention, the technology people in relation to technical field
Member, without departing from the spirit and scope of the present invention, can also make various transformation or modification, therefore all equivalent
Technical solution should also belong to scope of the invention, should be limited by each claim.
Claims (6)
1. a kind of lateral pivot angle detection method of flat type elevator cable vertical hanging, type approval test, verification test for product
And match test, which is characterized in that described detection method includes the following steps：
Sample electrical cable step is made, selects the flat type elevator cable of a suitable length, and in selected flat type elevator cable
Section of getting on the bus, interlude and section of getting off produce a sample cable respectively；
Sample electrical cable step is hung, one end of sample cable is fixed, the other end is fixed on the trolley that can vertically move
As trolley end, the sample cable is made to be formed under J-shaped by suspension interval S and is hanged；
Auxiliary connecting device and detection device step, including：
A, the trolley end is moved upward to sample cable to take the shape of the letter U, it is auxiliary in each suspension one of the front and back position of the center line of U-shaped
Steel wire rope is helped, the upper end of two auxiliary steel wire ropes is respectively hung on roller devices, which is mounted on and sample cable
It can be moved forward and backward on fixing end same plane and in the horizontal direction；A weight has been hung respectively in the lower end of two auxiliary steel wire ropes；
B, it is symmetrical using the bottom centre of the sample cable for the suspension that takes the shape of the letter U, in the two bottom sides insulating tape point of sample cable
A naked copper flexible cord is not fixed, and ensures that naked copper flexible cord is close to the center of the side surface of sample cable, the central part of naked copper flexible cord
The continuous exposed length in position is fixed not less than 200mm in the center of the upper surface of the U-shaped bottom of sample cable with insulating tape
A piece insulated conductor, and by one end of insulated conductor and two naked copper flexible cord good connections, the other end of insulated conductor leads to examination
Pulse trigger device is accessed after the fixing end of sample cable；
C, pulse trigger is accessed into the upper end of two auxiliary steel wire ropes；
Detecting step, the trolley end of sample cable is displaced downwardly to sample cable is in J-shaped, then by sample cable is moved on trolley end
During which U-shaped determines the forward or a backward maximum amplitude of oscillation alarm point of sample cable by mobile auxiliary steel wire rope；When sample cable reaches
To forward or a backward maximum amplitude of oscillation alarm point position when, alarm point label, then measurement markers point are carried out on auxiliary steel wire rope
The distance between auxiliary steel wire rope suspension top H, and the horizontal distance L of measurement markers point and U-shaped center line, pass through following public affairs
Formula is that can obtain the maximum transversal pivot angle θ of sample cable：
θ=arctan (L-D/2-d)/H, D is the width of sample cable in formula, and d is the diameter of naked copper flexible cord；
Three sample cables are detected by above-mentioned steps.
2. flat type elevator cable vertical hanging maximum transversal pivot angle detection method according to claim 1, which is characterized in that
The sample cable length is 24m or 30m.
3. flat type elevator cable vertical hanging maximum transversal pivot angle detection method according to claim 1, which is characterized in that
The suspension interval S is U-shaped bending diameter of the cable under test temperature.
4. flat type elevator cable vertical hanging maximum transversal pivot angle detection method according to claim 1, which is characterized in that
The maximum transversal pivot angle θ of the sample cable vertical hanging is not more than 4 degree.
5. flat type elevator cable vertical hanging maximum transversal pivot angle detection method according to claim 1, which is characterized in that
The roller devices use non-metallic material, and the auxiliary steel wire rope is made to insulate with ground.
6. flat type elevator cable vertical hanging maximum transversal pivot angle detection method according to claim 1, which is characterized in that
When being detected step, the determining of the alarm point is generated by the naked copper flexible cord on the sample cable and auxiliary steel wire rope
It is in electrical contact that the pulse trigger is made to cause pulse, and then drive acoustic-optic alarm.
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| CN201711495258.3A CN108225254B (en) | 2017-12-31 | 2017-12-31 | A kind of lateral pivot angle detection method of flat type elevator cable vertical hanging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711495258.3A CN108225254B (en) | 2017-12-31 | 2017-12-31 | A kind of lateral pivot angle detection method of flat type elevator cable vertical hanging |
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| CN108225254A true CN108225254A (en) | 2018-06-29 |
| CN108225254B CN108225254B (en) | 2019-11-15 |
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ID=62642164
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| CN201711495258.3A Active CN108225254B (en) | 2017-12-31 | 2017-12-31 | A kind of lateral pivot angle detection method of flat type elevator cable vertical hanging |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507056A (en) * | 2018-12-31 | 2019-03-22 | 上海南洋-藤仓电缆有限公司 | A kind of express elevator flat cable resilience apparatus for quantitatively and method |
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| CN101643184A (en) * | 2009-08-19 | 2010-02-10 | 三一汽车制造有限公司 | Crane and lifting rope swing angle detection device thereof |
| CN102701078A (en) * | 2012-05-18 | 2012-10-03 | 上海海事大学 | Device and method for measuring swing angle of double-hanger bridge crane on basis of image detection |
| CN203011583U (en) * | 2012-12-25 | 2013-06-19 | 上海世德子汽车零部件有限公司 | Tool for testing pressure and side surface swing clearance angle of wiper arm assembly |
| CN103308003A (en) * | 2013-06-08 | 2013-09-18 | 上海南洋-藤仓电缆有限公司 | Method of detecting vertical suspension deflection angle of super high-rise superspeed flat elevator cable |
| CN203310705U (en) * | 2013-06-08 | 2013-11-27 | 上海南洋-藤仓电缆有限公司 | Testing device for static stability of flat cable |
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2017
- 2017-12-31 CN CN201711495258.3A patent/CN108225254B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007333610A (en) * | 2006-06-16 | 2007-12-27 | Fujitsu Ltd | Flexibility measuring instrument of cable |
| CN101643184A (en) * | 2009-08-19 | 2010-02-10 | 三一汽车制造有限公司 | Crane and lifting rope swing angle detection device thereof |
| CN102701078A (en) * | 2012-05-18 | 2012-10-03 | 上海海事大学 | Device and method for measuring swing angle of double-hanger bridge crane on basis of image detection |
| CN203011583U (en) * | 2012-12-25 | 2013-06-19 | 上海世德子汽车零部件有限公司 | Tool for testing pressure and side surface swing clearance angle of wiper arm assembly |
| CN103308003A (en) * | 2013-06-08 | 2013-09-18 | 上海南洋-藤仓电缆有限公司 | Method of detecting vertical suspension deflection angle of super high-rise superspeed flat elevator cable |
| CN203310705U (en) * | 2013-06-08 | 2013-11-27 | 上海南洋-藤仓电缆有限公司 | Testing device for static stability of flat cable |
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| CN109507056A (en) * | 2018-12-31 | 2019-03-22 | 上海南洋-藤仓电缆有限公司 | A kind of express elevator flat cable resilience apparatus for quantitatively and method |
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| CN108225254B (en) | 2019-11-15 |
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