Embodiment 1
Fig. 1 is the figure of the structure for the elevator rope life diagnosis device for showing embodiments of the present invention 1.
In addition, being also shown for 2:1 wiring is than elevator, and it is one of the elevator with the rope as life diagnosis object
Example.
2:1 wiring is than elevator for example by traction machine 101, deflector sheave 102, counterweight hanging wheel 103, car hanging wheel 104, counterweight
105th, car 106, controlling cable 107, main rope 108 and elevator control gear 1 are constituted.Main rope 108 is as life diagnosis
The rope of object.In addition, generally setting the main rope of a plurality of elevator, a plurality of main rope is regard as main rope 108 in the present invention
Illustrate.
Elevator control gear 1 corresponds in car 106 and/or stop presses the operation such as button, control 2:1 wiring is than electricity
Ladder moves car 106.Elevator control gear 1 and 2:1 wiring is connected than each inscape of elevator by controlling cable 107
Connect.
Movement history recording memory cell 1a is located at elevator control gear 1, for storing movement when making the movement of car 106
Historical record data (for example makes car 106 from 1 layer to 3 layers movement.Then, it is made from 3 layers to 6 layers movement), such as by partly leading
Body memory etc. is constituted.
These 2:1 wiring is generally configured with than each inscape of elevator in existing elevator, omits detailed herein
Describe in detail bright.
Elevator rope life diagnosis device 2 is by pulley number of pass times computing unit 2a, elevator specification memory cell 2b, deterioration
Spend computing unit 2c, Overlapping display unit 2d, diameter value estimation unit 2e, life estimation unit 2f, diameter value memory cell 2g
Constituted with display device 3.In addition, display device 3 is made up of elevator simulation image-display units 3a and screen operation unit 3b.
Pulley number of pass times computing unit 2a remembers according to the mobile history being stored in movement history recording memory cell 1a
Record data and the specification data being stored in elevator specification memory cell 2b, calculate the pulley number of pass times at each rope position
(accumulative number of bends) and its number of bends details.Result of calculation turns into the matrix data for example shown in Fig. 2 (a).Fig. 2's
(a) in, the key element (D on right side from arranging the 3rd:Diameter of pulley, d:Rope diameter) D/d ratios (40), D/d ratios (36), S shapes it is curved
Song, pulley groove (U-shaped), pulley groove (V shapes)) be number of bends details, its could also say that pulley according to the curved of every kind of feature
Bent number of times.
Elevator specification memory cell 2b storages as diagnose the diameter of pulley of elevator of object, pulley number, rope overall length,
Rope bar number, rope diameter, the shape of pulley groove, lifting travel, interfloor distance and pulley setting direction equal-specification data.
It is the screen operation unit 3b possessed from display device 3 to elevator specification memory cell 2b specification data input
Carry out.Or, input block (not shown) (keyboard etc.) progress of elevator rope life diagnosis device 2 can also be used defeated
Enter, can also be connected to read data with the database on network (not shown).So, in advance in elevator specification memory cell 2b
Middle setting specification data.
Specification data and pulley number of pass times that impairment grade computing unit 2c will be stored in elevator specification memory cell 2b
The multiplication of the number of bends details for each rope position that computing unit 2a is calculated, thus calculates impairment grade.Calculate knot
Fruit turns into such as Fig. 2 in the lump with the pulley number of pass times and its number of bends details at each rope position shown in Fig. 2 (a)
(b) shown in matrix data.
In specification data by the example of the data used as coefficient have D/d than, the bending direction of main rope 108, pulley
The shape of groove, by determining obtained rope tension (rope tension) in addition.
Using these coefficients, impairment grade is calculated according to for example following formula (1).
Than corresponding coefficient a in formula (1) will be used as with D/d.
It regard coefficient corresponding with the bending direction of main rope 108 as the b in formula (1).
On the bending direction of rope, illustrated using Fig. 7.Shown in Fig. 7 (a), (b) from orthogonal two
Figure when two pulleys of direction observation upper/lower and the rope being winded at respectively on these pulleys.Fig. 7 (a) is rope
Rope produces example during S sigmoids, seems when with upper sheave 7a viewed from above and lower pulley 7b in transversely arranged
Mode be configured in the case of, formed by the position relationship based on upper sheave 7a and lower pulley 7b the two pulleys
The rope 7c angle of bending direction when being set to A, A is 180 °.Equally, when Fig. 7 (b) is that rope does not produce S sigmoids
Example, upper sheave 7d enters in the way of hiding lower pulley 7e when by upper sheave 7d viewed from above and lower pulley 7e
In the case that row is set, the angle of the rope 7c of the position relationship formation based on upper sheave 7d and lower pulley 7e bending direction
It is 0 ° to spend A.By this based on pulley position relationship formation angle A be not 0 ° in the case of be determined as produce S sigmoids,
Thus the S sigmoid number of times shown in Fig. 2 (a) and Fig. 2 (b) is determined, and the coefficient corresponding to angle A is set as into b.
In addition, further illustrating the bending direction of rope using the example of elevator.
Rope 8i of the consideration as shown in Fig. 8 (a) mobile electricity that thus above and below car 8h advances by pulley 8a~8g
Ladder.
Fig. 8 (b), (c) is the figure of the elevator of (a) from surface, respectively illustrates different pulleys and sets state.
In addition, pulley 8c and 8d are shown as into a pulley 8c in (c) for convenience's sake.In Fig. 8 (b), car 8h bottoms
Pulley 8b so that rope 8i is configured along the direction that east-west direction passes through, and the pulley 8c on top is then so that rope 8i is along south
The north is configured to by way of.In this case, the angle of rope 8i bending direction is 90 °.At Fig. 8 (c)
In, the pulley 8c on top is configured in the way of the direction relative to the pulley 8b of car 8h bottoms tilts 225 °, now
The angle of rope 8i bending direction is 225 °.
That is, the bending direction of rope can be set as the pulley of the adjacent upper/lower from surface during elevator
Put direction (the pulley angulation of upper/lower).
Or, it can also be contacted by the position contacted in rope section (circle) with upper sheave and with lower pulley
Central angle formed by position as the bending direction of rope angle.If Fig. 7 (a), then in rope 7c surfaces with top
The position of pulley 7a contacts and the position contacted with lower pulley 7b form 180 ° of central angle in rope section (circle).Together
Sample, if Fig. 7 (b), then the portion contacted with the upper sheave 7a positions contacted in rope 7c surfaces and with lower pulley 7b
Position is same area, and 0 ° of central angle is formed in rope section (circle)
Using coefficient corresponding with the shape of pulley groove as formula (1) c.The shape of pulley groove has (a) institute as shown in Figure 9
The U-shaped groove shown in V shapes groove and (b) shown, respectively according to the different values for determining c of shape.
Will coefficient corresponding with rope tension as formula (1) d.Rope is determined by known determination unit (not shown)
Tension force, for example, regard its measurement result as coefficient d.
Using coefficient a~d as described above, rope position x impairment grade (x) is calculated according to following formula (1).X model
Enclose for from 0 to rope lengths i.e. X.In fig. 2, it regard x as rope lengths X unit as the whole of more than 0 below X as " mm "
Count to show.
Impairment grade (x)=number of bends details (x) × (a+b+c+d)
[0≤x≤X]…(1)
If x=5 illustrates the calculating of above-mentioned formula (1).
As shown in Fig. 2 (a), number of bends details (5) are that the number of bends at the pulley of D/d ratios (40) is 1 time,
Number of bends at the pulley of D/d ratios (36) is 2 times, and S sigmoids are 1 time, and the number of bends at pulley groove (U-shaped) place is 2
Secondary, the number of bends at pulley groove (V shapes) place is 1 time.
Firstly, for the number of bends (1 time) at the pulley of D/d ratios (40), above-mentioned a, b, c, d are respectively set as to close
Suitable value, obtains 1 × (a+b+c+d) value.If the value is S1.
Then, for the number of bends (2 times) at the pulley of D/d ratios (36), above-mentioned a, b, c, d are respectively set as to close
Suitable value, obtains 2 × (a+b+c+d) value.If the value is S2.
Then, for the number of bends (2 times) at the pulley of pulley groove (U-shaped), above-mentioned a, b, c, d are set as properly
Value, obtain 2 × (a+b+c+d) value.If the value is S3.
Then, for the number of bends (1 time) at the pulley of pulley groove (V shapes), above-mentioned a, b, c, d are set as properly
Value, obtain 1 × (a+b+c+d) value.If the value is S4.
In addition, influence of the S sigmoids to impairment grade in number of bends details, determines included according to rope angle of bend
In fixed coefficient b value.
Also, the above-mentioned value S1~S4 obtained summation turns into rope position x=5 impairment grade (5).
In addition, impairment grade computing unit 2c above-mentioned formula (1) can also be calculated according to the rope as known technology
Twisting mode and elevator movement when passengers quantity (weight) and change rope tension be included in coefficient in impairment grade.
Overlapping display unit 2d is set to elevator simulation image-display units 3a so that in the elevator of display device 3
In the elevator simulation image 301 that analog image display unit 3a is shown, according to the deterioration calculated by impairment grade computing unit 2c
Degree, carries out color separation according to each rope position of the main rope 108 on elevator simulation image 301 and shows.
Also, elevator simulation image-display units 3a is set so that calculated according to by diameter value estimation unit 2e
The diameter estimate gone out, carries out color separation according to each rope position to the part of main rope 108 on elevator simulation image 301 and shows
Show.
Also, elevator simulation image-display units 3a is set so that carry out being used to notify by life estimation unit
The rope that 2f is calculated changes the display of the life diagnosis result 302 in period.
In addition, the various information relevant with the life-span of rope such as impairment grade and/or diameter estimate are referred to as into rope information.
The impairment grade that diameter value estimation unit 2e is calculated according to actual measurement rope diameter value and by impairment grade computing unit 2c,
Estimate the rope diameter value at the rope position in addition to the rope position for surveying out rope diameter value.
Life estimation unit 2f is obtained according to the diameter under more than 2 points of the date-time from diameter value memory cell 2g
The slope that the minimum value of Value Data is calculated, prediction reaches that rope diameter value set in advance (in Japanese architecture basic taper method, refers to
Less than the 96% of rope nominal diameter) during.
Also, during the prediction calculated, calculate rope and change period.
Diameter value memory cell 2g will be obtained by the diameter value estimation unit 2e diameter estimates exported and by determining
Actual measurement rope diameter value is stored as diameter Value Data, and according to the date/time of data output.
In addition, diameter value memory cell 2g both can be in elevator rope life diagnosis device 2, can also be by not scheming
The network that shows and outside elevator rope life diagnosis device 2.
The elevator simulation image-display units 3a of display device 3 is according to the pulley being stored in elevator specification memory cell 2b
Footpath, pulley number, lifting travel, interfloor distance equal-specification data, will simulate the image i.e. electricity as the elevator for diagnosing object
The picture that terraced analog image 301 is shown in display device 3 as shown in Figure 3 is (not shown in Fig. 1.Liquid crystal panel or organic EL faces
Plate etc.) on.
Also, the color separation of the main rope 108 on the elevator simulation image 301 specified according to Overlapping display unit 2d set into
Row color separation show and life diagnosis result 302 display.
Also, display device 3 both can be the maintenance portable terminal device that upkeep operation personnel carry or safeguard work
The fixed terminal that industry personnel use in office, can also be the remote monitoring services device by network collection state of elevator.
Screen operation unit 3b is mouse etc., for operating the elevator mould shown by elevator simulation image-display units 3a
Car 106 and/or counterweight 105, pulley in plan image 301 etc..Using known image processing techniques, pass through screen operation
When unit 3b makes car 106 and/or counterweight 105, pulley on elevator simulation image 301 etc. mobile, so that the portion of main rope 108
The mode that position is moved in linkage with the action is shown that the action thus, it is possible to each mechanism of simulant elevator is regarded
Feel and confirm.If display device 3 uses touch-sensitive display, screen operation unit 3b can also be finger or stylus etc..
Also, screen operation unit 3b is also in the input to elevator specification memory cell 2b and elevator rope determined diameter
And used in the data input of measurement site etc..
The action of elevator rope life diagnosis device 2 to so constituting is illustrated.
In 2 with the rope as life diagnosis object:1 wiring is than in elevator, when car 106 is moved, and movement is gone through
History record data is stored in the movement history recording memory cell 1a of elevator control gear 1.
Pulley number of pass times computing unit 2a is connected with elevator control gear 1 with wired or wireless mode, from elevator control
Movement history recording memory cell 1a in device 1 processed reads accumulated movement history recording data.Also, reading is stored in
Specification data in elevator specification memory cell 2b, according to movement history recording data and specification data, calculates each rope position
Put the pulley number of pass times and its number of bends details at place.These are, for example, to show the data in Fig. 2 (a) as described above.
Then, at each rope position that impairment grade computing unit 2c is exported according to pulley number of pass times computing unit 2a
Pulley number of pass times and the specification data being stored in elevator specification memory cell 2b, calculate each rope position as described above
Put the impairment grade at place.These are, for example, to show the data in Fig. 2 (b) as described above.
Then, diameter value estimation unit 2e according to actual measurement rope diameter value and by impairment grade computing unit 2c calculate it is bad
Change degree, estimates the rope diameter value at the rope position in addition to the rope position for surveying out rope diameter value.Make as an example
Illustrated with Fig. 4, it is assumed that the actual measurement rope diameter value at the X1 of rope position calculates for φ 1, impairment grade computing unit 2c
Rope position X1 at impairment grade be R1.In addition, actual measurement rope diameter value passes through picture after being surveyed by upkeep operation personnel etc.
Face operating unit 3b is transfused to.
On the other hand, it is assumed that positioned at hand touch less than scope and the impairment grade at the rope position X2 that can not possibly survey
For R2, then the diameter value φ 2 at the X2 of rope position can be estimated according to φ 2=(1 × R2 of k × φ)/R1 (k is constant).
Fig. 5 shows each key element and the rope tension shown in Fig. 2 (b) in the lump.Fig. 5 right column is estimated by diameter value
Count the diameter Value Data that the diameter estimate and measured value of unit 2e outputs are constituted.The diameter Value Data has for example been transfused to figure
Actual measurement rope diameter value (9.9) at the position of 5 rope position 4 and by estimating that the diameter value estimation unit 2e is calculated
Count diameter value.
It is stored in by the diameter value estimation unit 2e diameter Value Datas exported in diameter value memory cell 2g.
Then, when life estimation unit 2f was obtained according to more than 2 points of the date being stored in diameter value memory cell 2g
Between under diameter Value Data the slope that calculates of minimum value.This can be tried to achieve by handling as follows:As shown in fig. 6, surveying
The T1 that fixes the date determines the rope diameter value at rope position X1 place, by diameter value estimation unit 2e outputs and be stored in diameter value
Minimum diameter Value Data in diameter Value Data in memory cell 2g, is used as the minimum value for the diameter Value Data for determining date T1
Drawn, similarly the minimum value of calculated diameter Value Data and drawn successively for determining date T2~T5, obtain 2 points with
On drawing value near linear, thus obtain the slope.Also, predict that the near linear reaches presetting as threshold value
Rope diameter value (in Japanese architecture basic taper method, referring to less than the 96% of rope nominal diameter) during, and estimate rope more
Change period.
In figure 6, the measure date T6 of prediction aftert, will be less than threshold value.
Calculated by the impairment grade calculated as described above by impairment grade computing unit 2c, by diameter value estimation unit 2e
Diameter estimate, the rope calculated by life estimation unit 2f replacing period are shown on the picture of display device 3, and provided
To upkeep operation personnel etc..
Elevator simulation image-display units 3a will be simulated according to the specification data being stored in elevator specification memory cell 2b
It is elevator simulation image 301 is shown on the picture of display device 3 as shown in Figure 3 as the image of the elevator of diagnosis object.
Now, Overlapping display unit 2d is set to elevator simulation image-display units 3a so that according to by impairment grade
The impairment grade that computing unit 2c is calculated, is divided according to each rope position of the main rope 108 on elevator simulation image 301
Color is shown.Also, elevator simulation image-display units 3a is set so that calculated according to by diameter value estimation unit 2e
Diameter estimate (being stored in diameter value memory cell 2g), the part of main rope 108 on elevator simulation image 301 is pressed
Color separation is carried out according to each rope position to show.Also, elevator simulation image-display units 3a is set so that be used for
The rope calculated by life estimation unit 2f is notified to change the display of the life diagnosis result 302 in period.
In the curve map for showing the relation between impairment grade and rope position of Fig. 2 (b), the threshold value a in such as curve
~c sets the threshold value of multiple impairment grades like that, and if such as impairment grade carries out color differentiation, such as in below threshold value a with blueness
Fruit carries out color differentiation with red in more than threshold value c, or is carried out using Security Color etc. as defined in JIS (Japanese Industrial Standards)
Color is distinguished.
In addition, figure 3 illustrates one when representing impairment grade with color deep or light, the color such as when impairment grade is bigger
It is denseer, but it is also possible to change the thickness for the rope to be shown according to impairment grade or make rope flickering display or gray scale
(gradation) show or shown with the dotted line beyond solid line, dotted line, chain-dotted line etc..
Also, the color for diameter estimate is distinguished as being also.
The fixation that the maintenance so carried in upkeep operation personnel is used with portable terminal device, upkeep operation personnel in office
Terminal, by the way that in the remote monitoring services device of network collection state of elevator, the information superposition relevant with the life-span of main rope is shown
Show on the elevator simulation image 301 for safeguarding the installation environment at scene in simulant elevator, in being thus readily apparent that main rope 108 is all-round
Deteriorate the rope position easily developed.Also, make the car 106 on elevator simulation image 301 by screen operation unit 3b
And/or counterweight 105, pulley etc. it is mobile when, the position of main rope 108 is moved in linkage with the action, thus to the rope
When rope position is overhauled, easily can simulate and grasp can make which floor car 106 is moved to.
As described above, according to the embodiment 1, by the way that the information superposition relevant with the life-span of main rope is included in simulation
On the image of the installation environment at elevator maintenance scene, relevant main rope can be effectively pointed out to users such as upkeep operation personnel
The information in life-span, the user such as upkeep operation personnel can easily and securely grasp that main rope is all-round middle to deteriorate the position easily developed
Put and the position that should overhaul etc..
Furthermore it is possible to accurately calculate the impairment grade at each rope position of elevator.It especially can accurately calculate 2:1 around
Restrict than the impairment grade at each rope position of the elevator of the generation S sigmoids such as elevator.
This can eliminate and focus on 1:1 wiring than elevator rope prior art following problem:That is, to producing
1:1 wiring than unexistent S sigmoids in elevator wiring than elevator for object carry out rope diagnosis when, produce it is distinctive
The life estimation result of the rope position of S sigmoids and difference is produced between actual life.
In addition, actual measurement rope diameter and impairment grade in the range of be able to being touched according to human hand, although to estimate
Impairment grade significantly but in the design of elevator be located at human hand touch less than position at rope diameter.
This can eliminate following problem:I.e., although need to carry out the 12nd article of the 3rd rule of Japanese architecture basic taper method for elevator
Fixed rope overhauling project is the measuring diameter of the part of abrasion development most serious, even if but can determine that rope deterioration is notable
Position, but in the position determined be due to lifting travel and elevator movable range limitation and in human hand touch less than
Position in the case of, can not determine deterioration position at rope diameter.
Using the rope diameter estimated, the period in rope life-span can be accurately determined.
In addition, the rope diameter estimate that is calculated by being shown on picture according to impairment grade and being estimated according to rope diameter
The rope life-span that evaluation is calculated, elevator maintenance operating personnel can be easily as soon as possible to holder's recommended replacement rope of elevator
Rope, and holder can formulate rope replacing plan as early as possible.
In addition, by the action of the simulant elevator on elevator simulation image 301, being overhauled to desired rope position
When, can be easily mastered can make which floor car 106 is moved to.
In addition, above with 2:1 wiring exemplified by elevator than being illustrated, but it is also possible to suitable for other wirings than electricity
Ladder, the present invention enables in particular to the elevator for being applied to produce S sigmoids, i.e., non-1:1 wiring compares elevator.
In addition, the present application can be carried out in the range of the invention embodiment the deformation for being formed arbitrarily key element or
Person omits the arbitrary inscape of embodiment.
Industrial applicability
As described above, the elevator rope life diagnosis device of the present invention can effectively be carried to users such as upkeep operation personnel
The information for closing the main rope life-span is shown with, thus is suitable as the device of the maintenance service of elevator.
Label declaration
1 elevator control gear;1a movement history recording memory cell;2 elevator rope life diagnosis devices;2a pulleys pass through
Number of times computing unit;2b elevator specification memory cell;2c impairment grade computing units;2d Overlapping display units;2e diameter values are estimated
Unit;2f life estimation units;2g diameter value memory cell;3 display devices;3a elevator simulation image-display units;3b pictures
Operating unit;101 traction machines;102 deflector sheaves;103 counterweight hanging wheels;104 car hanging wheels;105 counterweights;106 cars;107 controls
Cable;108 main ropes;301 elevator simulation images;302 life diagnosis results;7a upper sheaves;7b lower pulleys;7c ropes;
7d upper sheaves;7e lower pulleys;8a~8g pulleys;8h cars;8i ropes.