CN106966258A - A kind of elevator maintenance method - Google Patents
A kind of elevator maintenance method Download PDFInfo
- Publication number
- CN106966258A CN106966258A CN201710374378.1A CN201710374378A CN106966258A CN 106966258 A CN106966258 A CN 106966258A CN 201710374378 A CN201710374378 A CN 201710374378A CN 106966258 A CN106966258 A CN 106966258A
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- China
- Prior art keywords
- steel wire
- wire rope
- wheel
- wheel seat
- detection
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
- B66B7/1207—Checking means
- B66B7/1215—Checking means specially adapted for ropes or cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
- B66B7/1253—Lubricating means
- B66B7/1261—Lubricating means specially adapted for ropes or cables
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The embodiment of the invention discloses a kind of elevator maintenance method, comprise the following steps：The single rope strand surface scrolls in steel wire rope are taken turns in detection, and move towards swing with rope strand, obtain the rolling resistance value, angle value of beating and swing angle value of detection wheel；Rolling resistance value is compared with default rolling resistance value, not isolabeling is activated；When mark is activated, different service actions are taken according to the difference of activation tagging.A kind of elevator maintenance method that the present invention is provided, by detecting that wheel is detected to steel wire rope, and carries out self-lubricate according to testing result or sends failure warning, whole process is without manual intervention.
Description
Technical field
The present invention relates to elevator design and manufacture field, more particularly to a kind of elevator maintenance method.
Background technology
Elevator is the indispensable facility of modernization building, and its safety and reliability is even more important, therefore rule regulation is commercial
Elevator is required to periodic maintenance.In existing elevator wire rope maintenance work, hand inspection is relied primarily on.Such as《Elevator hoisting machine
The detection of tool steel wire rope and its discussion of maintenance measure》（《Science and technology and life》, the 14th phase in 2011, Liao Hongru）In mention,
During hand inspection, two classes are segmented into, a class is to carry out Magnetic Flux Leakage Inspecting using instrument, and the method for representative is（Section loss）LMA
Detection method and LF detection methods.Another kind of is not need observing by the naked eye and touching to check for instrument.
Above-mentioned inspection method is enough to ensure that steel wire rope is noticeable before there are the Accident of Large-scale such as overall fracture.But, the above
Method relies on the periodicmaintenance of elevator, and is limited to cost, and the interval of periodic maintenance will not be too short, generally 3 months.At 3
In the time of the moon, the small defect of steel wire rope may develop into big problem.On the other hand, hand inspection fully relies on attendant's
Experience, human factor is big, and reliability is low；And partial deformation is difficult to discover, it is unfavorable for the prevention in advance and reparation of minor issue.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is there is provided a kind of elevator maintenance method, can accurately advantageously
The steel wire rope of elevator is detected, and self-lubricate is carried out according to testing result or failure warning is sent, it is whole without artificial
Intervene.
In order to solve the above-mentioned technical problem, the embodiments of the invention provide a kind of elevator maintenance method, comprise the following steps：
S001, detection take turns the single rope strand surface scrolls in steel wire rope, and with the rolling moved towards swing, obtain detection wheel of rope strand
Resistance Value, bounce angle value and swing angle value；
S002, rolling resistance value compared with default rolling resistance value, when rolling resistance value is more than default rolling resistance value, sentenced
Determine steel wire rope and lack lubrication, activation A marks；Bounce angle value is compared with default bounce angle value, when bounce angle value is more than default jump
During dynamic angle value, judge that steel wire rope front is stranded, activation B marks；When swinging angle value more than default wobble, the steel wire rope back of the body is judged
Face is stranded, activates C flag；
S003, when A marks are activated, send signal to lubrication device for wire cables, lubrication device for wire cables is implemented to steel wire rope
Lubrication；When B marks and/or C flag are activated, fault-signal is sent；
Wherein, the detection wheel is located in testing device for wire ropes, and the testing device for wire ropes also includes detection wheel seat, wheel seat
Connecting rod, wheel seat loop bar, swing seat, release link and electromagnetism push rod；
The detection wheel is on detection wheel seat, and the wheel seat connecting rod at the top of detection wheel seat with being fixedly connected；
The wheel seat connecting rod is socketed on wheel seat loop bar, is provided with back-moving spring, the wheel seat loop bar between them and is additionally provided with use
In detection wheel seat connecting rod and the first position detector of the relative position of wheel seat loop bar；
The wheel seat loop bar is provided with the first jointed shaft, and first jointed shaft is articulated with swing seat；
It is located on the wheel seat loop bar above the first jointed shaft and is provided with the second jointed shaft, described release link one end and the described second hinge
Spindle is hinged, and the other end is hinged with swing seat；The release link can stretch with the swing of wheel seat loop bar, in the release link
Provided with the second place detector for detecting itself telescopic level；
Electromagnetism push rod is provided with the top of the swing seat.
As the improvement of such scheme, the lubrication device for wire cables adds lubricating oil to the precalculated position of steel wire rope；
Wherein, the lubricating arrangement includes oil pipe, oil nozzle, oil pump, Lubricating oil tank and timer；The oil pipe, oil nozzle, oil
Pump, Lubricating oil tank are sequentially connected, and the lubricating oil in Lubricating oil tank is pumped into oil pipe by the oil pump to flow out via oil nozzle, institute
State oil nozzle to set towards steel wire rope positioned at the surface of traction sheave, the timer is used for control oil pump and worked the scheduled time.
As the improvement of such scheme, when B is marked and/or C flag is activated, send fault-signal and refer to：When B marks
And/or C flag is when being activated, fault-signal is sent to elevator controlling module, elevator controlling module is according to the not isolabeling of activation
Send different faults code.
As the improvement of such scheme, detection wheel is in the concrete mode of the single rope strand surface scrolls of steel wire rope：Elevator
Steel wire rope is entwined by multiply rope strand order, and every rope strand is entwined by many steel wire orders again, the detection wheel surface
Provided with the groove with the cooperation of the rope strand of steel wire rope, the groove is corresponded with rope strand, and detection wheel rolling process rope strand sinks into recessed
In groove.
It is used as the improvement of such scheme, rolling of the detection wheel in the single rope strand surface scrolls Procedure Acquisition detection wheel of steel wire rope
The specific method of dynamic resistance value is：Detection wheel in steel wire rope surface scrolls, when detection wheel by the resistance of steel wire rope bigger, wheel seat
The amplitude of fluctuation of loop bar is bigger, and release link is more protruding, the position of release link is now detected by second place detector, i.e.,
It can obtain the Resistance Value of current steel wire rope.
As the improvement of such scheme, detection wheel is with the mode for moving towards to swing of rope strand：List of the detection wheel in steel wire rope
Individual rope strand surface scrolls process is tilted with the trend of steel wire rope, wheel seat connecting rod is turned an angle with respect to wheel seat loop bar；When
During steel wire rope surface irregularity, bob therewith is taken turns in detection, and wheel seat connecting rod is synchronously beated, first position detector detection wheel seat
Connecting rod is moved forward and backward and the anglec of rotation with wheel seat loop bar, you can obtain wobble of the detection wheel with the trend of rope strand.
Implement the embodiment of the present invention, have the advantages that：
A kind of elevator maintenance method of the present invention, by detecting that wheel is detected to steel wire rope, and is carried out automatically according to testing result
Lubricate or send failure warning, whole process is without manual intervention.
Brief description of the drawings
Fig. 1 is the overall structure diagram that a kind of batch (-type) of the invention safeguards elevator automatically；
Fig. 2 is the structural representation of carrying means of the present invention；
Fig. 3 is the structural representation of testing device for wire ropes of the present invention；
Fig. 4 is the sectional view of testing device for wire ropes of the present invention；
Fig. 5 is the working state schematic representation of testing device for wire ropes of the present invention；
Fig. 6 is the fundamental diagram that a kind of batch (-type) of the invention safeguards elevator automatically.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with accompanying drawing
It is described in detail on step ground.Only this is stated, the side such as the up, down, left, right, before and after of the invention that occurs in the text or will appear from, inside and outside
Position word, only on the basis of the accompanying drawing of the present invention, it is not the specific restriction to the present invention.
As shown in figs 1 to 6, first embodiment of the invention safeguards elevator automatically there is provided a kind of batch (-type), including hoistway 1,
Car 2 and carrying means 3；The car 2 is in hoistway 1, and the carrying means 3 are used to draw the liter in hoistway 1 of car 2
Drop；The carrying means 3 include steel wire rope 4, traction sheave 5, testing device for wire ropes 6 and lubricating arrangement 7；The steel wire rope 4 is twined
It is around on traction sheave 5, and is connected with car 2；The testing device for wire ropes 6 is detected to steel wire rope 4；Work as wire rope standard
When device 6 detects that steel wire rope 4 lacks lubricating oil, signal is sent to lubricating arrangement 7, lubricating arrangement 7 starts to implement steel wire rope 4
Lubrication.The testing device for wire ropes 6 and lubricating arrangement 7 are on the carrying means 3 of elevator.
According to embodiments of the present invention, the testing device for wire ropes 6 includes detection wheel 61, detection wheel seat 62, wheel seat connecting rod
63rd, wheel seat loop bar 64, swing seat 65, release link 66 and electromagnetism push rod 67；
Wherein, the detection wheel 61 is on detection wheel seat 62, and the wheel seat connecting rod 63 is fixedly connected with the top of detection wheel seat 62；
61 surfaces of detection wheel are provided with the groove 613 coordinated with the rope strand of steel wire rope 4.Single rope strand of the detection wheel 61 in steel wire rope 4
Surface scrolls, and swing is moved towards with rope strand, obtain the rolling resistance value, bounce angle value and swing angle value of detection wheel 61.
The wheel seat connecting rod 63 is socketed on wheel seat loop bar 64, and back-moving spring 68, the wheel seat loop bar are provided between them
It is additionally provided with 64 for detecting the connecting rod of wheel seat 62 and the first position detector 69 of the relative position of wheel seat loop bar 64；
The wheel seat loop bar 64 is provided with the first jointed shaft 641, and first jointed shaft 641 is articulated with swing seat 65；
Be located at the top of the first jointed shaft 641 on the wheel seat loop bar 64 and be provided with the second jointed shaft 642, described one end of release link 66 with
Second jointed shaft 642 is hinged, and the other end is hinged with swing seat 65；The release link 66 can with wheel seat loop bar 64 swing
And stretch, the second place detector 661 for being used for detecting itself telescopic level is provided with the release link 66；When detection wheel 61 by
Resistance to steel wire rope 4 is bigger, and the amplitude of fluctuation of wheel seat loop bar 64 is bigger, and release link 66 is more protruding, now passes through second
Position detector 661 detects the position of release link 66, you can obtain the Resistance Value of current steel wire rope 4.
The top of swing seat 65 is provided with electromagnetism push rod 67.The first position detector 69 and second place detector
661 can use existing proximity switch, and first position detector 69 is in order to while detect the connecting rod of wheel seat 62 and wheel cover for seat
Bar 64 is rotated against, therefore can jointly be coordinated using proximity switch and turn knob potentiometer.
Preferably, the lubricating arrangement 7 includes oil pipe 71, oil nozzle 72, oil pump 73, Lubricating oil tank 74 and timer（Figure
In be not drawn into）；The oil pipe 71, oil nozzle 72, oil pump 73, Lubricating oil tank 74 are sequentially connected, and the oil pump 73 is by Lubricating Oil
Lubricating oil in case 74 is pumped into oil pipe 71 to flow out via oil nozzle 72, and the oil nozzle 72 is located at the surface of traction sheave 5 towards steel
Cord 4 is set, and the timer is used for control oil pump 73 and worked the scheduled time.When the oil pipe 71 include supervisor and with supervisor
The branch pipe of connection, each group steel wire rope 4 of the branch pipe correspondence traction sheave 5 is set, and the branch pipe is connected with oil nozzle 72.
According to a first embodiment of the present invention, the carrying means 3 also include link gear 31.When car 2 is in any floor
When starting resident action, the link gear 31 is touched, the link gear 31 is sent to the testing device for wire ropes 6 of traction sheave 5
Enabling signal, when testing device for wire ropes 6 detects that steel wire rope 4 lacks lubricating oil, sends signal to lubricating arrangement 7, works as sedan-chair
Railway carriage or compartment 2 is no longer resident when starting to move, and lubricating arrangement 7 starts that steel wire rope 4 is implemented to lubricate.Specifically, the link gear 31
Including gate signal detection module 311 and timer 312, the gate signal detection module 311 is used to obtain the place floor of car 2
Corresponding door closure signal；The timer 312 is used for the duration for detecting door closure signal.
Wherein, when car 2 starts resident action in any floor, touch the link gear 31 and refer to：When car 2 exists
After any floor opening door is closed again, the gate signal detection module 311 sends a closure signal, timer to timer 312
312 start timing, and when the elevator door of any floor is opened, timing stops and reset, when the timing time of timer 312 reach it is predetermined
During value, judge that car 2 starts to be resident.
The preferred embodiment of the present invention is by adding link gear 31, the intelligent control wire rope standard by way of mechanization
The detection frequency of device 6, assay intervals are farthest extended on the premise of detection reliability is ensured, it is to avoid detection excessively frequency
Numerous service life reduction or sensitivity decrease for causing testing device for wire ropes 6.
Preferably, it is described detection wheel 61 be additionally provided with damping mechanism and damping testing agency, the damping mechanism be used for pair
Detection wheel 61 produces adjustable rotational resistance, and the damping testing agency is used for the current rotational resistance of detection wheel 61.
More preferably, the damping mechanism is the clamp 611 being connected with detection wheel 61, and the clamp 611 are by changing to inspection
The damping due to rotation of the clamping force regulation detection wheel 61 of measuring wheel 61；It is described damping testing agency include detection wheel speed detector and
Clamping force detector 612.When the resistance detected value of the damping testing agency is more than predetermined value, signal is sent to timer, it is fixed
When device start control oil pump 73 work the scheduled time.
It should be noted that the damping mechanism is similar with the function of second place detector 661, it is measuring steel wire rope
4 resistance.Damping mechanism is cooperated with second place detector 661 and operated, and detection data can be compared mutually, improve detection
Reliability.
Preferably, provided with reset magnetic valve in the release link 66（It is not drawn into figure）, the reset magnetic valve is for driving
Dynamic release link 66 is returned to initial length.The electromagnetism push rod 67 is provided with the default extended position of three kinds of different overhangs, point
It is not initial position, Rapid reset position and operating position.
Second embodiment of the invention provides a kind of elevator maintenance method, comprises the following steps：
S001, detection wheel 61 steel wire rope 4 single rope strand surface scrolls, and with rope strand move towards swing, obtain detection wheel 61
Rolling resistance value, bounce angle value and swing angle value,
S002, rolling resistance value compared with default rolling resistance value, when rolling resistance value is more than default rolling resistance value, sentenced
Determine steel wire rope 4 and lack lubrication, activation A marks；Bounce angle value is compared with default bounce angle value, when bounce angle value is more than default jump
During dynamic angle value, judge that the front of steel wire rope 4 is stranded, activation B marks；When swinging angle value more than default wobble, steel wire rope 4 is judged
The back side is stranded, activates C flag；
S003, when A marks are activated, send signal to lubricating arrangement 7, lubricating arrangement 7 is implemented to lubricate to steel wire rope 4；When B marks
When note and/or C flag are activated, fault-signal is sent；
Wherein, the detection wheel 61 is located in testing device for wire ropes 6, and the testing device for wire ropes 6 also includes detection wheel seat
62nd, wheel seat connecting rod 63, wheel seat loop bar 64, swing seat 65, release link 66 and electromagnetism push rod 67；
The detection wheel 61 is on detection wheel seat 62, and the wheel seat connecting rod 63 is fixedly connected with the top of detection wheel seat 62；
The wheel seat connecting rod 63 is socketed on wheel seat loop bar 64, is provided with back-moving spring 68, the wheel seat loop bar 64 between them
It is additionally provided with for detecting the connecting rod of wheel seat 62 and the first position detector 69 of the relative position of wheel seat loop bar 64；
The wheel seat loop bar 64 is provided with the first jointed shaft 641, and first jointed shaft 641 is articulated with swing seat 65；
Be located at the top of the first jointed shaft 641 on the wheel seat loop bar 64 and be provided with the second jointed shaft 642, described one end of release link 66 with
Second jointed shaft 642 is hinged, and the other end is hinged with swing seat 65；The release link 66 can with wheel seat loop bar 64 swing
And stretch, the second place detector 661 for being used for detecting itself telescopic level is provided with the release link 66；
The top of swing seat 65 is provided with electromagnetism push rod 67.
Preferably, the lubricating arrangement 7 adds lubricating oil to the precalculated position of steel wire rope 4；
Wherein, the lubricating arrangement 7 includes oil pipe 71, oil nozzle 72, oil pump 73, Lubricating oil tank 74 and timer；The oil pipe
71st, oil nozzle 72, oil pump 73, Lubricating oil tank 74 are sequentially connected, and the lubricating oil in Lubricating oil tank 74 is pumped into by the oil pump 73
Flowed out in oil pipe 71 via oil nozzle 72, the surface that the oil nozzle 72 is located at traction sheave 5 is set towards steel wire rope 4, the timing
Device is used for control oil pump 73 and worked the scheduled time.
Preferably, when B marks and/or C flag are activated, send fault-signal and refer to：When B marks and/or C flag quilt
During activation, fault-signal is sent to elevator controlling module, elevator controlling module sends different faults according to the not isolabeling of activation
Code.
Preferably, detection wheel 61 is in the concrete mode of the single rope strand surface scrolls of steel wire rope 4：Elevator wire rope 4 by
Multiply rope strand order is entwined, and every rope strand is entwined by many steel wires orders again, 61 surfaces of detection wheel be provided with
The groove 613 that the rope strand of steel wire rope 4 coordinates, the groove 613 is corresponded with rope strand, and detection 61 rolling process rope strands of wheel sink into
In groove 613.
Preferably, rolling resistance of the detection wheel 61 in the single rope strand surface scrolls Procedure Acquisition detection wheel 61 of steel wire rope 4
The specific method of value is：Detection wheel 61 in the surface scrolls of steel wire rope 4, when detection wheel 61 by the resistance of steel wire rope 4 bigger, wheel seat
The amplitude of fluctuation of loop bar 64 is bigger, and release link 66 is more protruding, now detects release link 66 by second place detector 661
Position, you can obtain the Resistance Value of current steel wire rope 4.
Preferably, detection wheel 61 is with the mode for moving towards to swing of rope strand：Single rope strand table of the detection wheel 61 in steel wire rope 4
Face rolling process is tilted with the trend of steel wire rope 4, wheel seat connecting rod 63 is turned an angle with respect to wheel seat loop bar 64；Work as steel wire
Restrict 4 surface irregularity when, the bob therewith of detection wheel 61, the synchronous bounce of wheel seat connecting rod 63, first position detector 69 is detected
The connecting rod of wheel seat 62 is moved forward and backward and the anglec of rotation with wheel seat loop bar 64, you can obtain swing of the detection wheel 61 with the trend of rope strand
Degree.
By above-mentioned detection mode, it is capable of the resistance, surface run_out degree and deformation of automatic detection steel wire rope, and pass through lubrication
Device is lubricated to steel wire rope, and whole process is without manual intervention, it is ensured that elevator stable operation, safe and reliable.
Above disclosed is only a kind of preferred embodiment of the invention, can not limit the power of the present invention with this certainly
Sharp scope, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (6)
1. a kind of elevator maintenance method, it is characterised in that comprise the following steps：
S001, detection take turns the single rope strand surface scrolls in steel wire rope, and with the rolling moved towards swing, obtain detection wheel of rope strand
Resistance Value, bounce angle value and swing angle value；
S002, rolling resistance value compared with default rolling resistance value, when rolling resistance value is more than default rolling resistance value, sentenced
Determine steel wire rope and lack lubrication, activation A marks；Bounce angle value is compared with default bounce angle value, when bounce angle value is more than default jump
During dynamic angle value, judge that steel wire rope front is stranded, activation B marks；When swinging angle value more than default wobble, the steel wire rope back of the body is judged
Face is stranded, activates C flag；
S003, when A marks are activated, send signal to lubrication device for wire cables, lubrication device for wire cables is implemented to steel wire rope
Lubrication；When B marks and/or C flag are activated, fault-signal is sent；
Wherein, the detection wheel is located in testing device for wire ropes, and the testing device for wire ropes also includes detection wheel seat, wheel seat
Connecting rod, wheel seat loop bar, swing seat, release link and electromagnetism push rod；
The detection wheel is on detection wheel seat, and the wheel seat connecting rod at the top of detection wheel seat with being fixedly connected；
The wheel seat connecting rod is socketed on wheel seat loop bar, is provided with back-moving spring, the wheel seat loop bar between them and is additionally provided with use
In detection wheel seat connecting rod and the first position detector of the relative position of wheel seat loop bar；
The wheel seat loop bar is provided with the first jointed shaft, and first jointed shaft is articulated with swing seat；
It is located on the wheel seat loop bar above the first jointed shaft and is provided with the second jointed shaft, described release link one end and the described second hinge
Spindle is hinged, and the other end is hinged with swing seat；The release link can stretch with the swing of wheel seat loop bar, in the release link
Provided with the second place detector for detecting itself telescopic level；
Electromagnetism push rod is provided with the top of the swing seat.
2. elevator maintenance method as claimed in claim 1, it is characterised in that the lubrication device for wire cables is to the pre- of steel wire rope
Addition lubricating oil is put in positioning；
Wherein, the lubricating arrangement includes oil pipe, oil nozzle, oil pump, Lubricating oil tank and timer；The oil pipe, oil nozzle, oil
Pump, Lubricating oil tank are sequentially connected, and the lubricating oil in Lubricating oil tank is pumped into oil pipe by the oil pump to flow out via oil nozzle, institute
State oil nozzle to set towards steel wire rope positioned at the surface of traction sheave, the timer is used for control oil pump and worked the scheduled time.
3. elevator maintenance method as claimed in claim 2, it is characterised in that when B marks and/or C flag are activated, send
Fault-signal refers to：When B marks and/or C flag are activated, fault-signal, elevator controlling mould are sent to elevator controlling module
Root tuber sends different faults code according to the not isolabeling of activation.
4. elevator maintenance method as claimed in claim 3, it is characterised in that detection wheel is rolled on the single rope strand surface of steel wire rope
Dynamic concrete mode is：Elevator wire rope is entwined by multiply rope strand order, and every rope strand is wound by many steel wire orders again
Form, the detection wheel surface is provided with the groove coordinated with the rope strand of steel wire rope, the groove is corresponded with rope strand, detection wheel
Rolling process rope strand sinks into groove.
5. elevator maintenance method as claimed in claim 4, it is characterised in that detection wheel is rolled on the single rope strand surface of steel wire rope
Dynamic Procedure Acquisition detects that the specific method of the rolling resistance value of wheel is：Detection wheel in steel wire rope surface scrolls, when detection wheel by
The resistance of steel wire rope is bigger, and the amplitude of fluctuation of wheel seat loop bar is bigger, and release link is more protruding, is now detected by the second place
Device detects the position of release link, you can obtain the Resistance Value of current steel wire rope.
6. elevator maintenance method as claimed in claim 5, it is characterised in that the mode for moving towards to swing with rope strand is taken turns in detection
It is：Detection wheel is tilted in the single rope strand surface scrolls process of steel wire rope with the trend of steel wire rope, makes the relative wheel of wheel seat connecting rod
Cover for seat bar turns an angle；When steel wire rope surface irregularity, bob therewith is taken turns in detection, and wheel seat connecting rod is synchronously beated,
First position detector detection wheel seat connecting rod is moved forward and backward and the anglec of rotation with wheel seat loop bar, you can obtain detection wheel with rope strand
Trend wobble.
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|---|---|---|---|
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| CN201710374378.1A CN106966258B (en) | 2017-05-24 | 2017-05-24 | A kind of elevator maintenance method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109973804A (en) * | 2019-04-01 | 2019-07-05 | 江苏正一物联科技有限公司 | Elevator fuel tank fuel quantity remote monitoring system and method |
| CN112938801A (en) * | 2020-12-04 | 2021-06-11 | 三菱电机上海机电电梯有限公司 | Anti-bouncing mechanism with signal feedback function, anti-bouncing device and working method |
| CN113304950A (en) * | 2021-06-30 | 2021-08-27 | 江苏亚盛金属制品有限公司 | Marine steel wire rope maintenance device |
| CN115231408A (en) * | 2022-07-20 | 2022-10-25 | 厦门广菱安装工程有限公司 | Traction type elevator maintenance equipment and maintenance method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109973804A (en) * | 2019-04-01 | 2019-07-05 | 江苏正一物联科技有限公司 | Elevator fuel tank fuel quantity remote monitoring system and method |
| CN109973804B (en) * | 2019-04-01 | 2021-07-02 | 江苏正一物联科技有限公司 | Remote monitoring system and method for oil quantity of elevator oil tank |
| CN112938801A (en) * | 2020-12-04 | 2021-06-11 | 三菱电机上海机电电梯有限公司 | Anti-bouncing mechanism with signal feedback function, anti-bouncing device and working method |
| CN113304950A (en) * | 2021-06-30 | 2021-08-27 | 江苏亚盛金属制品有限公司 | Marine steel wire rope maintenance device |
| CN115231408A (en) * | 2022-07-20 | 2022-10-25 | 厦门广菱安装工程有限公司 | Traction type elevator maintenance equipment and maintenance method thereof |
| CN115231408B (en) * | 2022-07-20 | 2024-04-16 | 厦门广菱安装工程有限公司 | Traction type elevator maintenance equipment and maintenance method thereof |
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