CN109720966A - A kind of overhauling elevator technique - Google Patents
A kind of overhauling elevator technique Download PDFInfo
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- CN109720966A CN109720966A CN201910138761.6A CN201910138761A CN109720966A CN 109720966 A CN109720966 A CN 109720966A CN 201910138761 A CN201910138761 A CN 201910138761A CN 109720966 A CN109720966 A CN 109720966A
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- pyrocondensation
- sheet rubber
- fracture
- detection interval
- wire
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Abstract
The invention discloses a kind of overhauling elevator techniques, belong to elevator technology field, centered on fracture of wire point, at least 1cm is upwardly extended respectively, extend downwardly at least 1cm, form detection interval, it is wrapped in detection interval at least one week by pyrocondensation sheet rubber, and it is fixed, pyrocondensation is carried out again, the perimeter of fracture of wire point is measured after removing, it is carried out after one reinspection period, again and measurement is wrapped in detection interval at least one week by pyrocondensation sheet rubber, and it is fixed, pyrocondensation is carried out again, the perimeter that fracture of wire point is measured after removing compares, determine whether to be replaced according to perimeter change situation, has the advantages that accurate judgement hoist ropes fracture of wire point situation when maintenance.
Description
Technical field
The present invention relates to elevator technology field, in particular to a kind of overhauling elevator technique.
Background technique
Mechanical carrier tool of the lifting type elevator as a kind of modernization, it has also become essential in people's daily life
One of equipment is widely used in market, office tower and high-rise residential building.But elevator is travelled to and fro between as delivery vehicle
Between high-rise and ground, itself has certain risk, it is therefore desirable to periodically carry out repair and maintenance, it is ensured that the normal fortune of elevator
Row guarantees ladder personnel and delivers the safety of article.Wherein, traction elevator is driven by hoist ropes, fixed pulley and movable pulley
Carriage.In general, the phenomenon that hoist ropes is more one group, and hoist ropes can generate abrasion or fracture of wire after a period of work, in order to
Guarantee the safety of elevator operation, elevator needs to carry out more frequent maintenance.
At present for fracture of wire, after being found during maintenance, if fracture of wire phenomenon is not serious, not will do it directly more
It changes, but is promoted and check number, until replacement, and be substantially that people with experience check broken wires, and in elevator
It is more dark, it is also inconvenient accurately to run through fracture of wire book, and after generating fracture of wire phenomenon, it may be seen there is also inconvenient inside hoist ropes
The fracture of wire phenomenon examined, so as to cause hoist ropes, there are security risks.
Summary of the invention
The object of the present invention is to provide a kind of overhauling elevator technique, accurate judgement hoist ropes fracture of wire point situation when there is maintenance
The advantages of.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of overhauling elevator technique, packet
Include following steps:
Step 1: fracture of wire breaking point detection;
Step 2: preliminary treatment: operation hoist ropes makes the hoist ropes of fracture of wire point position be in vertical state, cleans fracture of wire point with water
The sundries set;
Step 3: perimeter measures for the first time:
Step 3: one: section determines: centered on fracture of wire point, upwardly extending at least 1cm respectively, extends downwardly at least 1cm, shape
At detection interval;
Step 3: two: pressing sizing for the first time: will test section position hoist ropes using compaction tool and compress, make detection interval table
Face is smooth;
Step 3: three: pyrocondensation is fixed for the first time: pyrocondensation sheet rubber being wrapped in detection interval at least one week, and is fixed;
Step 3: four: the sizing of pyrocondensation for the first time: heating pyrocondensation sheet rubber using heat source, pyrocondensation sheet rubber is made to tighten complete patch naturally
Overlay on detection interval surface;
Step 3: five: the removing of pyrocondensation for the first time: cutting off extra pyrocondensation sheet rubber, only retains innermost layer around detection interval surface one
The pyrocondensation sheet rubber in week;
Complete innermost layer is removed again around the one week pyrocondensation sheet rubber in detection interval surface;
Step 3: six: the measurement of pyrocondensation for the first time: pyrocondensation sheet rubber is unfolded to tile, and is measured fracture of wire point and is corresponded to pyrocondensation sheet rubber position
Length;
Step 4: it reinspection: is carried out after a reinspection period;
Step 4: one: pressing sizing again: will test section position hoist ropes using compaction tool and compress, make detection interval table
Face is smooth;
Step 4: two: pyrocondensation is fixed again: pyrocondensation sheet rubber being wrapped in detection interval at least one week, and is fixed;
Step 4: three: pyrocondensation is formed again: heating pyrocondensation sheet rubber using heat source, pyrocondensation sheet rubber is made to tighten complete patch naturally
Overlay on detection interval surface;
Step 4: four: pyrocondensation is removed again: being cut off extra pyrocondensation sheet rubber, is only retained innermost layer around detection interval surface one
The pyrocondensation sheet rubber in week;
Complete innermost layer is removed again around the one week pyrocondensation sheet rubber in detection interval surface;
Step 4: five: pyrocondensation measures again: pyrocondensation sheet rubber being unfolded to tile, fracture of wire point is measured and corresponds to pyrocondensation sheet rubber position
Length;
Step 5: maintenance and replacement: internal diameter is measured according to pyrocondensation twice and is compared, it is determined whether is replaced, if do not reached
To replacement demand, then repeatedly step 4 until hoist ropes replace.
By using above-mentioned technical proposal, after finding fracture of wire point for the first time, whether the fracture of wire situation for going through fracture of wire point is fitted
Conjunction continues to use, when the broken wires for determining fracture of wire point by conventional judgment criteria are more than the 2% of hoist ropes steel wire sum, in time
Replacement hoist ropes is carried out, and when the broken wires for determining fracture of wire point by conventional judgment criteria are less than the 2% of hoist ropes steel wire sum
When, it can be preferably fitted on hoist ropes by the pyrocondensation of pyrocondensation sheet rubber, thus by measuring the fast of pyrocondensation sheet rubber
The perimeter that can determine current hoist ropes is passed, and after a reinspection period, then can be preferably by the pyrocondensation of pyrocondensation sheet rubber
Be fitted on hoist ropes, to be that can determine the perimeter of current hoist ropes by the express delivery for measuring pyrocondensation sheet rubber, pass through two
The comparison of secondary data can be appreciated that the situation of change of hoist ropes, thus can determine that hoist ropes if appropriate for work is continued, such as
There are biggish security risks for fruit, should be replaced in time, and security risk is removed, hence it is evident that are promoted accurate to the detection of hoist ropes
Degree, and it is also convenient for the integrality that service personnel carries out intuitive observation hoist ropes, the safety that hoisting elevator uses.
Further, Step 3: one: section determines: centered on fracture of wire point, upwardly extending 2cm respectively, extends downwardly
2cm。
By using above-mentioned technical proposal, a small range tensile strength of fracture of wire point is opposite to be weakened, and promotes area of detection, has
The promotion detection accuracy of effect reduces security risk.
Further, step 4: reinspection: a reinspection period is 15 days.
By using above-mentioned technical proposal, the frequent reinspection period effectively guarantees the safety of elevator.
Further, Step 3: three: pyrocondensation is fixed for the first time: pyrocondensation sheet rubber being wrapped in detection interval three weeks, is gone forward side by side
Row is fixed.
By using above-mentioned technical proposal, the coating function to hoist ropes is promoted by winding multi-turn, after promoting pyrocondensation
Measure of precision, to promote later period measuring accuracy.
Further, Step 4: two: pyrocondensation is fixed again: pyrocondensation sheet rubber being wrapped in detection interval three weeks, is gone forward side by side
Row is fixed.
By using above-mentioned technical proposal, the coating function to hoist ropes is promoted by winding multi-turn, after promoting pyrocondensation
Measure of precision, to promote later period measuring accuracy.
Further, Step 3: six: the measurement of pyrocondensation for the first time: pyrocondensation sheet rubber is unfolded to tile, and measures the corresponding heat of fracture of wire point
The length of contracting sheet rubber position;And measure the length of the pyrocondensation sheet rubber position at the two of fracture of wire point 1cm;
Step 4: five: pyrocondensation measures again: pyrocondensation sheet rubber being unfolded to tile, fracture of wire point is measured and corresponds to pyrocondensation sheet rubber position
Length;And measure the length of the pyrocondensation sheet rubber position at the two of fracture of wire point 1cm.
By using above-mentioned technical proposal, the length for intercepting multistage position is compared, and promotes the accuracy of comparison.
Further, step 1: fracture of wire breaking point detection: being fixed on outside using cotton yarn, and cotton yarn is centered around on hoist ropes again,
Elevator is run, if hanging up part cotton yarn on hoist ropes, removes whether cotton yarn observation has fracture of wire point herein.
By using above-mentioned technical proposal, after hoist ropes generates fracture of wire, part steel wire head can effectively hook cotton yarn, thus
Fracture of wire point quickly occurs convenient for people, promotes overhaul efficiency.
Further, the heat source is heat gun.
By using above-mentioned technical proposal, heat gun is convenient for people's operation, and hot wind is uniform out, convenient for pyrocondensation sheet rubber heat
Contracting.
In conclusion the invention has the following advantages:
1, by the pyrocondensation of pyrocondensation sheet rubber, the perimeter of fracture of wire point position is accurately measured, to make judgement can be more
Accurately, security risk is reduced;
2, pyrocondensation sheet rubber can detect the case where fracture of wire point adjacent locations simultaneously, promote the accuracy of detection, reduce security risk.
Detailed description of the invention
Fig. 1 is the stationary state figure of the present embodiment pyrocondensation sheet rubber.
In figure, 1, hoist ropes;2, pyrocondensation sheet rubber.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
A kind of overhauling elevator technique, includes the following steps:
Step 1: fracture of wire breaking point detection;Hoist ropes 1 is made of more steel wires, and 1 fracture of wire phenomenon of hoist ropes is exactly part steel wire
It producing fracture, the steel wire of fracture loses drawing-resistant function in fracture of wire point completely, and after steel wire fracture, fracture of wire point forms two steel wires
End, since 1 entire length of hoist ropes is longer, so that people form ring-type using cotton yarn and are fixed on traction when detecting fracture of wire point
Outside rope 1, people can directly hold cricoid cotton yarn, can also transported by the cotton yarn of setting tool stationary ring
Row elevator, so that hoist ropes 1 and cricoid cotton yarn carry out opposite movement, in the process of movement, when cotton yarn encounters hoist ropes 1
Fracture of wire point when, cotton yarn can be caught on by steel wire end, so that part cotton yarn can be hung on hoist ropes 1, when hoist ropes 1 all passes through
After cotton yarn, as long as people observe there and hang with cotton yarn, then remove whether cotton yarn observation has fracture of wire point herein, consequently facilitating people
Quickly occur fracture of wire point, promoted overhaul efficiency.
After finding fracture of wire point for the first time, the fracture of wire situation of fracture of wire point is gone through if appropriate for continuing to use, when passing through routine
When judgment criteria determines that the broken wires of fracture of wire point are more than the 2% of 1 steel wire of hoist ropes sum, replacement hoist ropes 1 is carried out in time, and is worked as
Determine that the broken wires of fracture of wire point carry out step 2 when being less than the 2% of hoist ropes 1 steel wire sum by conventional judgment criteria.
Step 2: preliminary treatment: operation hoist ropes 1 makes the hoist ropes 1 of fracture of wire point position be in vertical state, avoids breaking
Silk point is located in traction machine and influences observation, and prevents that fracture of wire point position is arc-shaped and influence judgement, then cleaned with water by hairbrush
The solid-state sundries of fracture of wire point position, and by the lubricating oil of rag erasing fracture of wire point position, preventing, which influences subsequent reinspection, makees
Industry.
Step 3: perimeter measures for the first time.
Step 3: one: section determines: centered on fracture of wire point, upwardly extending 2cm respectively, extends downwardly 2cm, forms inspection
Survey section, suitably promotion detection range, be measured convenient for multiple spot, promoted detection accuracy, reduce security risk, and fracture of wire point to
The variation for the position perimeter that two sides extend gradually decreases, therefore extension 3cm or more does not have Clinical significance of detecting, and extending 2cm can be promoted
It while precision, avoids extension process and promotes workload, to ensure that the working efficiency of people.
Step 3: two: pressing sizing for the first time: will test section position hoist ropes 1 using compaction tool and compress, make detection zone
Between surfacing, avoid the structures such as protrusion caused by 1 fracture of wire of hoist ropes from influencing pyrocondensation sheet rubber 2 and tighten, avoid internal presence
More gap and influence detection accuracy.
Step 3: three: pyrocondensation is fixed for the first time: pyrocondensation sheet rubber 2 is wrapped in detection interval three weeks, and is fixed,
Promoted by winding multi-turn to the coating function of hoist ropes 1, avoided after winding with one circuit, when pyrocondensation link position generate cracking and
Detection is influenced, so that the measure of precision after pyrocondensation is promoted, to promote later period measuring accuracy.
Step 3: four: the sizing of pyrocondensation for the first time: heating pyrocondensation sheet rubber 2 using heat gun, and heat gun operates convenient for people,
And hot wind is uniform out, is convenient for 2 pyrocondensation of pyrocondensation sheet rubber, tightens pyrocondensation sheet rubber 2 naturally and be covered in detection interval surface completely.
Step 3: five: the removing of pyrocondensation for the first time: cutting off extra pyrocondensation sheet rubber 2, only retains innermost layer around detection interval table
The one week pyrocondensation sheet rubber 2 in face, then complete innermost layer is removed around the one week pyrocondensation sheet rubber 2 in detection interval surface, it is ensured that heat
The length that contracting sheet rubber 2 only has innermost layer one to enclose avoids the later period from generating measuring error, promotes the accuracy of measurement.
Step 3: six: the measurement of pyrocondensation for the first time: pyrocondensation sheet rubber 2 is unfolded to tile, and is measured fracture of wire point and is corresponded to pyrocondensation sheet rubber
The length of 2 positions, and the length of 2 position of pyrocondensation sheet rubber at the two of fracture of wire point 1cm is measured, intercept the length of multistage position
Degree compares, and promotes the accuracy of comparison.
Step 4: reinspection: carrying out after a reinspection period, and a reinspection period is 15 days, and the frequent reinspection period is effective
The safety of guarantee elevator answer shortenings appropriate reinspection interval time, effectively promoted and pacified and with the increase of reinspection number
Quan Xing.
Step 4: one: pressing sizing again: will test section position hoist ropes 1 using compaction tool and compress, make detection zone
Between surfacing, avoid the structures such as protrusion caused by 1 fracture of wire of hoist ropes from influencing pyrocondensation sheet rubber 2 and tighten, avoid internal presence
More gap and influence detection accuracy
Step 4: two: pyrocondensation is fixed again: pyrocondensation sheet rubber 2 being wrapped in detection interval three weeks, and is fixed, is passed through
Multi-turn promotion is wound to the coating function of hoist ropes 1, is avoided after winding with one circuit, link position generates cracking and influences when pyrocondensation
Detection, so that the measure of precision after pyrocondensation is promoted, to promote later period measuring accuracy.
Step 4: three: pyrocondensation is formed again: pyrocondensation sheet rubber 2 is heated using heat gun, heat gun operates convenient for people,
And hot wind is uniform out, is convenient for 2 pyrocondensation of pyrocondensation sheet rubber, tightens pyrocondensation sheet rubber 2 naturally and be covered in detection interval surface completely.
Step 4: four: pyrocondensation is removed again: being cut off extra pyrocondensation sheet rubber 2, is only retained innermost layer around detection interval table
The one week pyrocondensation sheet rubber 2 in face, then complete innermost layer is removed around the one week pyrocondensation sheet rubber 2 in detection interval surface, it is ensured that heat
The length that contracting sheet rubber 2 only has innermost layer one to enclose avoids the later period from generating measuring error, promotes the accuracy of measurement.
Step 4: five: pyrocondensation measures again: pyrocondensation sheet rubber 2 being unfolded to tile, fracture of wire point is measured and corresponds to pyrocondensation sheet rubber
The length of 2 positions, and the length of 2 position of pyrocondensation sheet rubber at the two of fracture of wire point 1cm is measured, intercept the length of multistage position
Degree compares, and promotes the accuracy of comparison.
Step 5: maintenance and replacement: internal diameter is measured according to pyrocondensation twice and is compared, when the fracture of wire point position perimeter of measurement
Reduce much, it is serious to indicate that 1 fracture of wire point fracture of wire of hoist ropes increases, is both internal broken wires if external observation broken wires are smaller
It rises appreciably, which is not suitable for continuing work, and there are biggish security risks, should be replaced in time, removes
Security risk, hence it is evident that promote the detection accuracy to hoist ropes 1, and be also convenient for service personnel and carry out intuitive observation hoist ropes 1
Integrality, the safety that hoisting elevator uses, if not up to replacement demand, repeatedly step 4 until hoist ropes 1 more
It changes.
It can be preferably fitted on hoist ropes 1 by the pyrocondensation of pyrocondensation sheet rubber 2, thus by measuring pyrocondensation rubber
The express delivery of piece 2 is the perimeter that can determine current hoist ropes 1, and after a reinspection period, then the pyrocondensation work for passing through pyrocondensation sheet rubber 2
With can preferably be fitted on hoist ropes 1, to can determine current hoist ropes 1 by the express delivery for measuring pyrocondensation sheet rubber 2
Perimeter can be appreciated that the situation of change of hoist ropes 1 by the comparison of data twice, thus can determine that hoist ropes 1 if appropriate for after
It is continuous to work, it if there is biggish security risk, should be replaced in time, remove security risk, hence it is evident that be promoted to draging
The detection accuracy of messenger 1, and it is also convenient for the integrality that service personnel carries out intuitive observation hoist ropes 1, hoisting elevator makes
Safety.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (8)
1. a kind of overhauling elevator technique, it is characterized in that: including the following steps:
Step 1: fracture of wire breaking point detection;
Step 2: preliminary treatment: operation hoist ropes (1) makes the hoist ropes (1) of fracture of wire point position be in vertical state, cleans with water disconnected
The sundries of silk point position;
Step 3: perimeter measures for the first time:
Step 3: one: section determines: centered on fracture of wire point, upwardly extending at least 1cm respectively, extends downwardly at least 1cm, shape
At detection interval;
Step 3: two: pressing sizing for the first time: will test section position hoist ropes (1) using compaction tool and compress, make detection interval
Surfacing;
Step 3: three: pyrocondensation is fixed for the first time: pyrocondensation sheet rubber (2) being wrapped in detection interval at least one week, and is consolidated
It is fixed;
Step 3: four: the sizing of pyrocondensation for the first time: using heat source heating pyrocondensation sheet rubber (2), tightening pyrocondensation sheet rubber (2) naturally
It is covered in detection interval surface completely;
Step 3: five: the removing of pyrocondensation for the first time: cutting off extra pyrocondensation sheet rubber (2), only retains innermost layer around detection interval surface
One week pyrocondensation sheet rubber (2);
Complete innermost layer is removed again around the one week pyrocondensation sheet rubber (2) in detection interval surface;
Step 3: six: the measurement of pyrocondensation for the first time: pyrocondensation sheet rubber (2) are unfolded to tile, and are measured fracture of wire point and are corresponded to pyrocondensation sheet rubber
(2) length of position;
Step 4: it reinspection: is carried out after a reinspection period;
Step 4: one: pressing sizing again: will test section position hoist ropes (1) using compaction tool and compress, make detection interval
Surfacing;
Step 4: two: pyrocondensation is fixed again: pyrocondensation sheet rubber (2) being wrapped in detection interval at least one week, and is consolidated
It is fixed;
Step 4: three: pyrocondensation is formed again: using heat source heating pyrocondensation sheet rubber (2), tightening pyrocondensation sheet rubber (2) naturally
It is covered in detection interval surface completely;
Step 4: four: pyrocondensation is removed again: being cut off extra pyrocondensation sheet rubber (2), is only retained innermost layer around detection interval surface
One week pyrocondensation sheet rubber (2);
Complete innermost layer is removed again around the one week pyrocondensation sheet rubber (2) in detection interval surface;
Step 4: five: pyrocondensation measures again: pyrocondensation sheet rubber (2) being unfolded to tile, fracture of wire point is measured and corresponds to pyrocondensation sheet rubber
(2) length of position;
Step 5: maintenance and replacement: internal diameter is measured according to pyrocondensation twice and is compared, it is determined whether is replaced, if do not reached
To replacement demand, then repeatedly step 4 is replaced up to hoist ropes (1).
2. a kind of overhauling elevator technique according to claim 1, it is characterized in that: Step 3: one: section determines: with fracture of wire
Centered on point, 2cm is upwardly extended respectively, extends downwardly 2cm.
3. a kind of overhauling elevator technique according to claim 1, it is characterized in that: step 4: reinspection: a reinspection period is
15 days.
4. a kind of overhauling elevator technique according to claim 1, it is characterized in that: Step 3: three: pyrocondensation is fixed for the first time: will
Pyrocondensation sheet rubber (2) is wrapped in detection interval three weeks, and is fixed.
5. a kind of overhauling elevator technique according to claim 1, it is characterized in that: Step 4: two: pyrocondensation is fixed again: will
Pyrocondensation sheet rubber (2) is wrapped in detection interval three weeks, and is fixed.
6. a kind of overhauling elevator technique according to claim 2, it is characterized in that: Step 3: six: the measurement of pyrocondensation for the first time: will
Pyrocondensation sheet rubber (2) expansion tiling, measures the length that fracture of wire point corresponds to pyrocondensation sheet rubber (2) position;And it measures apart from fracture of wire
The length of pyrocondensation sheet rubber (2) position at the two of point 1cm;
Step 4: five: pyrocondensation measures again: pyrocondensation sheet rubber (2) being unfolded to tile, fracture of wire point is measured and corresponds to pyrocondensation sheet rubber
(2) length of position;And measure the length of pyrocondensation sheet rubber (2) position at the two of fracture of wire point 1cm.
7. a kind of overhauling elevator technique according to claim 4, it is characterized in that: step 1: fracture of wire breaking point detection: using cotton
Yarn is fixed on outside, and cotton yarn is centered around again on hoist ropes (1), and operation elevator is removed if hanging up part cotton yarn on hoist ropes (1)
Whether cotton yarn observation has fracture of wire point herein.
8. a kind of overhauling elevator technique according to claim 1, it is characterized in that: the heat source is heat gun.
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