CN115009950B - Ultra-high-speed elevator vibration and rolling guide shoe abrasion coupling detection system and method - Google Patents
Ultra-high-speed elevator vibration and rolling guide shoe abrasion coupling detection system and method Download PDFInfo
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- CN115009950B CN115009950B CN202210857052.5A CN202210857052A CN115009950B CN 115009950 B CN115009950 B CN 115009950B CN 202210857052 A CN202210857052 A CN 202210857052A CN 115009950 B CN115009950 B CN 115009950B
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- 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
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
- B66B7/04—Riding means, e.g. Shoes, Rollers, between car and guiding means, e.g. rails, ropes
- B66B7/047—Shoes, sliders
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/04—Ageing analysis or optimisation against ageing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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Abstract
A vibration and rolling guide shoe abrasion coupling detection system and method for an ultra-high speed elevator belong to the field of ultra-high speed elevator detection systems. The rolling guide shoe is arranged at the top end of an elevator car of the ultra-high speed elevator, the vibration detection module, the rolling guide shoe abrasion detection module and the damage positioning module are arranged on the rolling guide shoe, and the PC end processing module and the early warning module are arranged at the bottom of the elevator shaft; the signal output ends of the vibration detection module, the rolling guide shoe abrasion detection module and the damage positioning module are respectively connected with the input end of the PC end processing module through the information transmission module, and the output end of the PC end processing module is respectively connected with the input ends of the visualization module and the early warning module. The advantages are that: the invention can realize the on-line nondestructive detection of vibration and abrasion, has the characteristics of high detection efficiency, simple installation, strong safety and the like, can detect the vibration of the ultra-high-speed elevator with the speed of more than 3m/s and the abrasion of the rolling guide shoe in real time, and dynamically evaluates the coupling effect of the vibration of the elevator and the abrasion degree of the rolling guide shoe.
Description
Technical Field
The invention relates to the field of ultra-high speed elevator detection systems, in particular to an ultra-high speed elevator vibration and rolling guide shoe abrasion coupling detection system and method.
Background
With the rapid development of world science and technology and economy, ultra-high-rise buildings in the world are emerging in large numbers, and the requirements of transportation and fire protection based on the ultra-high-rise buildings can be met by adopting an ultra-high-speed elevator (> 3 m/s). World super high-rise building investigation reports show that in super high-rise buildings built and installed with elevators, the super high-speed elevator of the central building in the Shanghai has the highest lifting height and the highest lifting speed, which are up to 578.5m and 20.5m/s respectively. However, vibration and noise are the most prominent problems when the ultra-high speed elevator is operated at an ultra-large lifting distance, and the comfort and safety of passengers riding the elevator are seriously affected. Vibration of an ultra-high speed elevator can exacerbate frictional wear of the elevator rolling guide shoes, which in turn exacerbates elevator vibration. Therefore, the dynamic detection of the vibration and rolling guide shoe abrasion coupling effect in the running process of the ultra-high speed elevator has important practical significance for grasping the running state information of the ultra-high speed elevator, diagnosing and eliminating the faults of the ultra-high speed elevator and guaranteeing the safe and reliable running of the ultra-high speed elevator.
In the aspect of elevator vibration abrasion detection, china patent discloses an elevator vibration measurement method, and the patent number is CN201320714325.7; the elevator vibration and safety condition can be judged by observing the swing condition of the metal ball, but the technology needs to observe the swing condition of the metal ball manually, and has the problems of wasting manpower, poor real-time performance of vibration record, large detection error and the like.
Chinese patent discloses a method and a system for detecting elevator vibration based on machine vision, wherein the patent number is CN202110815864.9; according to the method, the camera and the target are arranged on the car to generate resonance, and the problems of poor quality of pictures obtained by the camera and large measurement error exist when the elevator operates at a super high speed.
Chinese patent discloses an elevator vibration measurement method, the patent number is CN201910003714.0; the vibration ball follows the elevator to vibrate, the spring is stressed to compress or stretch, and the vibration sensor acquires vibration data. The spring has certain buffering effect, can not effectively pass to vibration sensor to vibration information, leads to the monitoring error great.
In the aspect of abrasion of the rolling guide shoes of the elevator, china patent discloses an abrasion detection system of the guide shoes of the elevator, and the patent number is CN201420438311.1; the system is provided with the abrasion measuring sensor on the rubber layer of the guide shoe, but the elevator has long working time, which easily causes the problems of high temperature and stress of the guide shoe, easy damage of the abrasion measuring sensor and reduced measuring precision.
Chinese patent discloses a wear monitoring device for guide shoes of elevator, the patent number is CN202122978260.4, the patent adopts a variable resistance sensor to monitor relative displacement between a lift car and a guide rail for an angle sensor to determine the wear degree of the guide shoes, the device has low detection precision, can not realize visual detection, and provides accurate wear condition of the guide shoes for maintenance personnel.
Disclosure of Invention
The invention aims to provide a system and a method for detecting the vibration and rolling guide shoe abrasion coupling of an ultra-high-speed elevator, which can realize the vibration and abrasion on-line nondestructive detection, and have the advantages of high detection efficiency, simplicity in installation and high safety.
The purpose of the invention is realized in the following way: the invention comprises an ultra-high speed elevator vibration and rolling guide shoe abrasion coupling detection system and a detection method based on the detection system.
A vibration and rolling guide shoe abrasion coupling effect detection system of an ultra-high speed elevator is characterized in that a rolling guide shoe is arranged at the top end of an elevator car of the ultra-high speed elevator; the method is characterized in that: comprising the following steps: the device comprises a vibration detection module, a rolling guide shoe abrasion detection module, a damage positioning module, an information transmission module, a PC end processing module, a visualization module and an early warning module; the vibration detection module, the rolling guide shoe abrasion detection module and the damage positioning module are arranged on the rolling guide shoe, and the PC end processing module and the early warning module are arranged at the bottom of the elevator shaft; the signal output ends of the vibration detection module, the rolling guide shoe abrasion detection module and the damage positioning module are respectively connected with the input end of the PC end processing module through the information transmission module, and the output end of the PC end processing module is respectively connected with the input ends of the visualization module and the early warning module.
The ultra-high speed elevator comprises: the elevator comprises a guide wheel, a traction system, a counterweight device, a T-shaped guide rail, an elevator car and an elevator support frame; a T-shaped guide rail is arranged on the elevator supporting frame; the elevator car is positioned between the two elevator supporting frames and runs on the T-shaped guide rail; an upper end platform is arranged at the upper end of the T-shaped guide rail, and a guide wheel and a traction system are connected to the upper end platform; the traction system is provided with a steel wire rope, one end of the steel wire rope is connected with the counterweight device, and the other end disc bypasses the guide wheel to be connected with the elevator car; the traction system is the drive source of the high-speed elevator 1.
The two rolling guide shoes are respectively a left rolling guide shoe and a right rolling guide shoe, have the same structure, are symmetrically arranged and installed at the top end of the elevator car and move up and down synchronously with the elevator car.
Further, the rolling guide shoe includes: the guide shoe comprises a guide shoe support frame, a dust guard, a guide shoe base and a swinging guide wheel device; the upper end of the guide shoe support frame is connected with a dust-proof plate; the lower end of the guide shoe supporting frame is connected with a guide shoe base, and the swinging guide wheel device is arranged on the guide shoe base through a swinging rod of the swinging guide wheel device;
three swinging guide wheel devices are arranged, and the structures are the same; comprising the following steps: the device comprises a rolling guide wheel, a swinging rod and a limiting spring;
The rolling guide wheels are respectively a left rolling guide wheel, a right rolling guide wheel and a middle rolling guide wheel, and are respectively arranged on respective guide wheel rotating shafts, and one guide wheel rotating shaft is correspondingly arranged on one swinging rod; the three rolling guide wheels are distributed at left side, right side and at middle position between left side and right side, the left side and right side are on the same plane, the middle position is vertical to the left side and right side; the limit spring passes through the upper part of the swinging rod and is connected to the guide shoe supporting frame.
The vibration detection module is provided with three acceleration sensors which are respectively arranged in the central holes of the guide wheel rotating shafts of the three rolling guide shoes, the three acceleration sensors detect acceleration or deceleration in the directions of three coordinate axes of the X, Y, Z of the elevator car to form three-dimensional acceleration detection, and the detected signals are analyzed by the PC end processing module to obtain vibration displacement.
The roller guide shoe abrasion detection modules are three groups and have the same structure and are positioned above the rolling guide wheels of the rolling guide shoes; comprising the following steps: a laser scanner, a scanner support frame and an anti-shake device;
the scanner support frames are arranged on the bottom surface of the dust-proof plate through the anti-shake device, three laser scanners are in a group, and are fixed on the scanner support frames and distributed at an included angle of 45 degrees; three laser scanners scan the rolling guide wheel of the rolling guide shoe in three directions, and acquire the three-dimensional contour coordinates of the rolling guide wheel in real time, namely: three-dimensional volume.
Three laser scanners are arranged above each rolling guide wheel, and the outline of the rolling guide wheel of the rolling guide shoe is comprehensively sampled to obtain the three-dimensional outline coordinate of the rolling guide shoe; the anti-shake device is used for guaranteeing stability and small detection error when the laser scanner scans the three-dimensional outline of each rolling guide wheel of the rolling guide shoe.
Further, the damage positioning module includes: industrial laser rangefinder and reflector; the industrial laser range finder is arranged right above the dust-proof plate, and the reflecting plate is arranged at the top of the elevator shaft and is attached to the top of the elevator shaft and the T-shaped guide rail; the industrial laser range finder corresponds to the reflector; the industrial laser range finder adopts a telescope type laser range finder, has the measurement range of 3.5-2000 meters, meets the height requirement of a high-rise building, and has the continuous monitoring working function; the displacement of the rolling guide shoe relative to the reflecting plate is dynamically monitored in real time, so that the damaged position is positioned, and the accuracy is ensured to be within 50 mm.
The information transmission module 5 is as follows: ZT-G8316I gigabit network multichannel dynamic signal analyzer; vibration signals, displacement signals and image signals can be collected simultaneously, and wireless transmission can be carried out by the WIFI transmission module. And the vibration detection module, the rolling guide shoe abrasion detection module and the damage positioning module are used for converting signals acquired by the vibration detection module, the rolling guide shoe abrasion detection module and transmitting the signals to the PC end processing module in a rapid wireless mode. The information transmission module is arranged below the dust-proof plate of the rolling guide shoe, so that the electronic elements of the information transmission module are not damaged, multiple signals are collected simultaneously, wireless real-time transmission is realized, the transmission speed is ensured, and the loss rate is reduced.
The PC end processing module 6 comprises: the PC terminal 32 and Python3.9 software write programs, receive signals of the information transmission module and conduct further analysis and processing, the processed signals are transmitted to the visualization module through the output end, the running state of the elevator is predicted and analyzed, and maintenance basis is provided for maintenance personnel.
The visualization module comprises: the ultra-high speed elevator detection system 1.0 software displays the vibration amplitude of an elevator car, the abrasion loss of a left rolling guide wheel, a right rolling guide wheel and a middle rolling guide wheel and the displacement of guide shoes in real time; and establishing an interface program for quantifying data of the real-time displacement of the rolling guide shoes, the vibration amplitude values of the three directions of X, Y, Z and the abrasion amounts of the left rolling guide wheel, the right rolling guide wheel and the middle rolling guide wheel through a Python and QT tool, and quantitatively displaying the data obtained by a PC end processing module in real time and displaying the running condition of the elevator, thereby providing visual maintenance basis for maintenance personnel.
The early warning module comprises: python3.9 software, singlechip and red yellow warning light, python3.9 software set for different thresholds to vibration and wearing and tearing, connect the singlechip control red yellow warning light and realize that elevator car vibration displacement amplitude and the rolling guide shoe wearing and tearing volume surpass the standard value and carry out the early warning, provide accurate judgement for maintenance and maintenance personnel, remind the maintenance personnel to change and maintain.
The detection method based on the detection system comprises the following detection steps:
step one: installing and debugging the module component of the detection system;
step two: the traction system works, and the lifting steel wire rope drags the car along the T-shaped guide rail through the guide wheel so as to realize vertical movement up and down; the left rolling guide wheel, the right rolling guide wheel and the middle rolling guide wheel of the rolling guide shoe are attached to the T-shaped guide rail through limit springs and move up and down along with the car, and the left rolling guide wheel, the right rolling guide wheel and the middle rolling guide wheel rotate;
step three: the industrial laser range finder emits laser beams to be shot on the reflecting plate, and real-time displacement of the rolling guide shoe relative to the top of the elevator is obtained; the three-dimensional laser scanner scans the left rolling guide wheel, the right rolling guide wheel and the middle rolling guide wheel in real time to obtain the volume in the motion process; acceleration sensors positioned in the guide wheel rotating shafts respectively detect vibration acceleration of the car in three directions X, Y, Z;
step four: signals detected by the vibration detection module, the rolling guide shoe abrasion detection module and the damage positioning module are collected through a signal collecting card in the information transmission module, processed through the multichannel regulator and the amplifier, and transmitted to the PC end processing module through the 5G wireless transmission module;
Step five: the PC end processing module performs wavelet analysis and micro integration processing on the data obtained in the step four to obtain the vibration amplitude of the elevator car, the abrasion loss of the left rolling guide wheel, the right rolling guide wheel and the middle rolling guide wheel and the displacement of the guide shoes, establishes a dynamic association relation between the vibration amplitude of the elevator and the abrasion loss of the rolling guide shoes through a neural network algorithm by combining a gray association degree analysis and a curve fitting method, and performs predictive analysis on the running condition of the elevator; obtaining the elevator vibration amplitude, the rolling guide shoe abrasion loss, the rolling guide shoe real-time displacement and the elevator running condition prediction result;
step six: establishing an interface program 1.0 of a super-speed elevator detection system by utilizing QT and python tools, and quantitatively displaying the predicted result obtained in the step five in real time;
step seven: establishing an early warning system, respectively setting scrapping thresholds for vibration amplitude and guide shoe abrasion degree through on-site investigation and manufacturer data, judging whether the guide shoe is scrapped or not, and respectively realizing elevator vibration and rolling guide shoe abrasion early warning by combining a red lamp and a yellow lamp; when the vibration and abrasion set threshold value is exceeded, the vibration displacement amplitude of the elevator car and the abrasion loss of the rolling guide shoe exceed standard values through red lights and yellow lights respectively for early warning, so that accurate judgment is provided for maintenance and maintenance personnel, and the maintenance personnel is reminded to replace and maintain.
The method has the beneficial effects that by adopting the scheme, the theoretical basis is provided for timely replacement and maintenance of the rolling guide shoes by establishing the association relation model of the vibration amplitude of the elevator and the abrasion degree of the rolling guide shoes, establishing the dynamic association relation based on the vibration amplitude of the elevator and the abrasion degree of the rolling guide shoes and establishing the scrapping judgment system, so that the vibration and the abrasion characteristics of the rolling guide shoes of the ultra-high-speed elevator are detected in real time, and the running safety and comfort as well as the maintenance and detection efficiency of the ultra-high-speed elevator are improved.
And the vibration detection module is fixedly connected with the rolling guide shoes and the car, so that the vibration characteristics of the rolling guide shoes are consistent. Therefore, three-dimensional acceleration sensors are respectively arranged at the center positions of three rolling guide wheels of the rolling guide shoe and used for dynamically detecting vibration characteristics at the positions of the three rolling guide wheels, detecting and recording acceleration of the car X, Y, Z in three directions simultaneously, and obtaining vibration displacement of the rolling guide shoe through a PC end processing module, so as to obtain X, Y, Z vibration displacement of the car in three directions.
The laser scanner of the rolling guide shoe abrasion detection module is fixed on a scanner support frame, is fixedly connected to the dust-proof plate through an anti-shake device and moves synchronously with the rolling guide shoe; because vibration can be generated in the running process of the elevator, the vibration prevention device can further reduce the influence on the measurement accuracy of the laser scanner caused by vibration; the three laser scanners are distributed at 45 degrees, and are respectively arranged right above the left rolling guide wheel, the right rolling guide wheel and the middle rolling guide wheel of the rolling guide shoe, so that three-dimensional point cloud data on the surfaces of the three rolling guide wheels can be rapidly obtained, the volume of the three rolling guide wheels is calculated, the rolling guide wheels are ensured to be scanned in all directions, the volume is measured, and the volumes of the left rolling guide wheel, the right rolling guide wheel and the middle rolling guide wheel of the rolling guide shoe are detected in real time, so that the rolling guide shoe has the characteristics of rapidness, non-contact property, real time, dynamics, initiative, high density, high precision, digitization and automation.
The damage positioning module comprises: a reflector and an industrial laser range finder; the industrial laser range finder is adopted to adapt to weaker light rays in an elevator shaft and more complex working environments; the laser has good monochromaticity and strong penetrating power, can continuously work day and night, has a measuring distance of 2000m and a measuring error of 50mm or less, and completely meets the requirements of elevator operation height and damage position positioning error. Wherein, the reflector panel installation is decided the top with the elevator and is laminated mutually with T shape guide rail to guarantee telescope formula laser rangefinder measuring error, industry laser rangefinder installs on the dust guard of rolling guide shoe and is laminated mutually with T shape guide rail, guarantees that the laser that industry laser rangefinder sent out is accurate to be penetrated on the reflector panel, realizes that the elevator is in operation to roll guide shoe and detect and record for elevator top real-time displacement.
Compared with the prior art, the method has the following technical effects: the detection system is arranged on the original structure of the ultra-high speed elevator and comprises a vibration detection module, a rolling guide shoe abrasion detection module, an information transmission module, a PC end processing module and an early warning module. The vibration detection module detects deceleration in three coordinate axis directions of the car by utilizing a three-dimensional acceleration sensor arranged at the position of a rolling guide wheel bearing on the rolling guide shoe, and vibration displacement is obtained through analysis of the PC end processing module; the rolling guide shoe abrasion detection module utilizes a three-dimensional laser scanner to perform three-dimensional scanning on a rolling guide wheel of the rolling guide to obtain a real-time volume; the information transmission module converts signals acquired by the vibration detection module and the rolling guide shoe abrasion detection module and transmits the signals to the PC end processing module; the PC end processing module analyzes and processes the vibration displacement signal through wavelet analysis to obtain the vibration displacement amplitude of the elevator, and combines the calculus theory and the three-dimensional reconstruction technology to compare and analyze the rolling guide shoe contour with the standard contour of the unworn rolling guide shoe in the wearing process to obtain the dynamic wearing quantity of the rolling guide shoe; and the early warning module carries out early warning on the vibration displacement amplitude and the abrasion loss exceeding the standard values, and reminds maintenance personnel to maintain and replace the rolling guide shoes.
(1) The invention adopts the three-dimensional acceleration sensor and the three-dimensional laser scanner to detect the vibration of the elevator and the abrasion of the rolling guide shoe, which are nondestructive detection, and the original structure of the elevator is not changed and the movement is not influenced. The installation and the replacement of accessories are simpler and more convenient, and wireless transmission is adopted, so that the elevator vibration and noise can be effectively detected in real time on line without damage, and the efficiency is high, the precision is high and the dimensionality is multiple.
(2) The vibration of the car and the wear characteristics of the rolling guide shoes can be dynamically and real-timely obtained by online detection of multipoint vibration of the rolling guide wheels and three-dimensional real-time measurement of the outlines of the rolling guide shoes, wavelet analysis, calculus theory and the like, the association relation between the vibration amplitude of the elevator and the wear degree of the rolling guide shoes can be established based on neural network algorithm, gray association analysis and the like, the running state of the elevator is predicted and analyzed, the vibration condition of the ultra-high speed elevator and the wear condition of the guide shoes are displayed in real time through a visual interface, and basis is provided for maintenance personnel to overhaul.
(3) According to the invention, the elevator vibration and rolling guide shoe wear degree are dynamically evaluated by setting the threshold value, and the red and yellow lamp early warning system is respectively set for the vibration amplitude and the rolling guide shoe wear amount. The vibration amplitude and excessive abrasion of the rolling guide shoes can be provided by maintenance personnel in real time for warning. The method has important practical significance for improving the running safety and comfort of the ultra-high speed elevator and realizing the service safety assessment of the rolling guide shoes and the wear out-of-limit early warning of the rolling guide shoes.
The advantages are that: the invention can realize the on-line nondestructive detection of vibration and abrasion, has the characteristics of high detection efficiency, simple installation, strong safety and the like, can detect the vibration of the ultra-high-speed elevator with the speed of more than 3m/s and the abrasion of the rolling guide shoe in real time, and dynamically evaluates the coupling effect of the vibration of the elevator and the abrasion degree of the rolling guide shoe.
Drawings
FIG. 1 is a schematic block diagram of the detection system of the present invention.
Fig. 2 is a schematic diagram of the general assembly structure of the ultra-high speed elevator of the present invention.
FIG. 3 is a schematic view of the mounting location of the detection module of the present invention.
FIG. 4 is a schematic diagram of a side view mounting structure of a detection module of the present invention.
Fig. 5 is a schematic diagram of the front view installation structure of the rolling guide shoe wear detection module of the present invention.
Fig. 6 is a schematic view of the installation position of the three-dimensional acceleration sensor of the present invention.
Fig. 7 is a schematic diagram of signal processing analysis of the detection system of the present invention.
Fig. 8 is a schematic diagram of a detection flow of the detection method based on the detection system of the present invention.
In the figure: 1. ultra-high speed elevator; 2. a vibration detection module; 3. a damage positioning module; 4. the rolling guide shoe abrasion detection module; 5. an information transmission module; 6. a PC end processing module; 7. a visualization module; 8. an early warning module; 9. a car; 10. rolling guide shoes; 11. a light reflecting plate; 12. a guide wheel; 13. a traction system; 14. a counterweight; 10-1, left rolling guide shoe; 15. a T-shaped guide rail; 10-2, right rolling guide shoes; 16. an elevator support frame; 17. a rolling guide shoe support frame; 18. a left rolling guide wheel; 19. an anti-shake device; 20. a dust-proof plate; 21. an industrial laser range finder; 22. a scanner support; 23. a laser scanner; 24. a right rolling guide wheel; 25. a guide shoe base; 26. a swinging rod; 27. a middle rolling guide wheel; 28. a guide wheel rotating shaft; 29. a limit spring; 30. an acceleration sensor; 31. a multichannel dynamic signal analyzer; 32. a PC terminal; 33. python3.9 software; 34. ultra-high speed elevator detection system interface program 1.0; 35. a single chip microcomputer; 36. red and yellow warning lamps.
Detailed Description
The invention comprises an ultra-high speed elevator vibration and rolling guide shoe abrasion coupling detection system and a detection method based on the detection system.
The vibration and rolling guide shoe abrasion coupling effect detection system of the ultra-high speed elevator is characterized in that a rolling guide shoe 10 is arranged at the top end of an elevator car of the ultra-high speed elevator 1; the method is characterized in that: comprising the following steps: the device comprises a vibration detection module 2, a rolling guide shoe abrasion detection module 4, a damage positioning module 3, an information transmission module 5, a PC end processing module 6, a visualization module 7 and an early warning module 8; the vibration detection module 2, the rolling guide shoe abrasion detection module 4 and the damage positioning module 3 are arranged on the rolling guide shoe 10, and the PC end processing module 6 and the early warning module 8 are arranged at the bottom of the elevator shaft; the signal output ends of the vibration detection module 2, the rolling guide shoe abrasion detection module 4 and the damage positioning module 3 are respectively connected with the input end of the PC end processing module 6 through the information transmission module 5, and the output end of the PC end processing module 6 is respectively connected with the input ends of the visualization module 7 and the early warning module 8.
In fig. 2 and 3, the super-speed elevator 1 includes: a guide wheel 12, a traction system 13, a counterweight 14, a T-shaped guide rail 15, an elevator car 9 and an elevator support frame 16; a T-shaped guide rail 15 is arranged on the elevator supporting frame 16; the elevator car 9 is positioned between two elevator supporting frames 16 and runs on a T-shaped guide rail 15; an upper end platform is arranged at the upper end of the T-shaped guide rail 15, and a guide wheel 12 and a traction system 13 are connected to the upper end platform; the traction system 13 is provided with a steel wire rope, one end of the steel wire rope is connected with the counterweight device 14, and the other end of the steel wire rope is coiled through the guide wheel 12 and is connected with the elevator car 9; the traction system 13 is a drive source of the high-speed elevator 1.
The two rolling guide shoes 10 are respectively a left rolling guide shoe 10-1 and a right rolling guide shoe 10-2, have the same structure, are symmetrically arranged and installed at the top end of the elevator car 9, and synchronously move up and down with the elevator car 9.
Further, the rolling guide shoe 10 includes: the guide shoe support frame 17, the dust guard 20, the guide shoe base 25 and the swinging guide wheel device; a dust-proof plate 20 is connected to the upper end of the guide shoe support 17; the lower end of the guide shoe supporting frame 17 is connected with a guide shoe base 25, and the swinging guide wheel device is arranged on the guide shoe base 25 through a swinging rod 26 of the swinging guide wheel device;
in fig. 3, 4, 5, 6 and 7, three swinging guide wheel devices are provided, and the structures are the same; comprising the following steps: a rolling guide wheel, a swinging rod 26 and a limit spring 29;
the rolling guide wheels are respectively a left rolling guide wheel 18, a right rolling guide wheel 24 and a middle rolling guide wheel 27, which are respectively arranged on respective guide wheel rotating shafts 28, and one guide wheel rotating shaft 28 is correspondingly arranged on one swinging rod 26; the three rolling guide wheels are distributed at left side, right side and at middle position between left side and right side, the left side and right side are on the same plane, the middle position is vertical to the left side and right side; the limit spring 29 passes through the upper part of the swing rod 26 and is connected to the guide shoe support 17.
The vibration detection module 2 is provided with three acceleration sensors which are respectively arranged in the central holes of the three guide wheel rotating shafts 28 of the rolling guide shoes 10, the three acceleration sensors 30 detect acceleration or deceleration in the directions of three coordinate axes X, Y, Z of the elevator car 9 to form three-dimensional acceleration detection, and the detected signals are analyzed by the PC end processing module 6 to obtain vibration displacement.
The roller guide shoe abrasion detection modules 4 are three groups and have the same structure and are positioned above the rolling guide wheels of the rolling guide shoes 10; comprising the following steps: a laser scanner 23, a scanner support 22, and an anti-shake device 19;
the scanner support frame 22 is arranged on the bottom surface of the dust-proof plate 20 through the anti-shake device 19, three laser scanners 23 are in a group, and are fixed on the scanner support frame 22 to form 45-degree included angles; three laser scanners 23 scan the rolling guide wheel of the rolling guide shoe in three directions, and acquire three-dimensional contour coordinates of the rolling guide wheel in real time, namely: three-dimensional volume.
Three laser scanners 23 are arranged above each rolling guide wheel, and the outline of the rolling guide wheel of the rolling guide shoe is comprehensively sampled to obtain the three-dimensional outline coordinates of the rolling guide shoe 10; the anti-shake device 19 is used for ensuring the stability and small detection error when the laser scanner 23 performs laser scanning on the three-dimensional profile of each rolling guide wheel of the rolling guide shoe 10.
Further, the damage positioning module 3 includes: an industrial laser range finder 21 and a reflector 11; the industrial laser range finder 21 is arranged right above the dust guard 20, and the reflecting plate 11 is arranged at the top of the elevator shaft and is attached to the top of the elevator shaft and the T-shaped guide rail 15; the industrial laser range finder 21 corresponds to the reflecting plate 11; the industrial laser range finder 21 adopts a telescope type laser range finder, has a measuring range of 3.5 meters to 2000 meters, meets the height requirement of a high-rise building, and has a continuous monitoring work function; the displacement of the rolling guide shoe 10 relative to the reflecting plate 11 is dynamically monitored in real time so as to position the damaged position and ensure the accuracy within 50 mm.
The information transmission module 5 is as follows: ZT-G8316I gigabit network multichannel dynamic signal analyzer 31; vibration signals, displacement signals and image signals can be collected simultaneously, and wireless transmission can be carried out by the WIFI transmission module. The signals collected by the vibration detection module 2, the rolling guide shoe abrasion detection module 4 and the damage positioning module 3 are converted and rapidly and wirelessly transmitted to the PC end processing module 6; the information transmission module 5 is arranged below the dust guard 20 of the rolling guide shoe, so that electronic elements of the information transmission module are not damaged, multiple signals are collected simultaneously, wireless real-time transmission is realized, the transmission speed is ensured, and the loss rate is reduced.
The PC end processing module 6 comprises: the PC terminal 32 and the Python3.9 software 33 write programs, receive the signals of the information transmission module 5 and perform further analysis and processing, and the processed signals are transmitted to the visualization module through the output end to perform predictive analysis on the running state of the elevator, so as to provide maintenance basis for maintenance personnel.
Based on the vibration displacement amplitude of the elevator car 9 and the dynamic wear of the rolling guide shoes in the elevator running process, an association relation model of the vibration amplitude of the elevator and the wear degree of the rolling guide shoes is established by combining a neural network algorithm, gray association analysis and a curve fitting method, and dynamic evaluation and rejection evaluation bases based on the wear degree of the rolling guide shoes of the elevator vibration are provided.
The PC end processing module 6 analyzes and processes the vibration displacement signal through wavelet analysis to obtain the vibration displacement amplitude of the elevator, and combines the calculus theory and the three-dimensional reconstruction technology to compare and analyze the rolling guide shoe contour with the standard contour of the unworn rolling guide shoe in the wearing process to obtain the dynamic wearing capacity of the rolling guide shoe 10;
the PC end processing module 6 is arranged at the bottom of the ultra-high speed elevator 1, and processes the obtained volume information of the rolling guide shoes 10, the obtained volume information of the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27 and the obtained vibration displacement of the rolling guide shoes 10 in the directions X, Y, Z by utilizing a mature Python language programming technology, so as to respectively obtain the real-time displacement of the rolling guide shoes 10, the vibration amplitude of the three directions X, Y, Z and the abrasion quantity of the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27, wherein the abrasion quantity of the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27 is obtained by obtaining the complete lossless volume of the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27 as a standard and subtracting the volume of the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27 measured in real time, namely the abrasion volume quantity of the rolling guide wheel 27 in the elevator operation process, and judging the abrasion degree by combining with a calculus theory, and the vibration signal obtained by the three-dimensional acceleration sensor can contain noise, and the vibration amplitude is required to be analyzed by wavelet so as to obtain the vibration amplitude; and a detection program is further compiled by combining a Python language programming technology, gray correlation analysis and a curve fitting method, and dynamic correlation relation between vibration amplitudes of the rolling guide shoes X, Y, Z in three directions and abrasion amounts of the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27 is established, so that the running state of the elevator is predicted and analyzed, and a certain overhaul basis is provided for maintainers.
The visualization module 7 includes: the ultra-high speed elevator detection system 1.0 software 34 displays the vibration amplitude of the elevator car 9, the abrasion amounts of the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27 and the guide shoe displacement in real time.
And through Python and QT tools, a super-high speed elevator detection system interface program 1.034 for quantifying the vibration amplitude of the rolling guide shoes in three directions and the abrasion loss data of the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27 is established, the data obtained by the PC end processing module 6 is displayed quantitatively in real time and the elevator running condition is displayed, and visual maintenance basis is given to maintenance staff.
The early warning module 8: the elevator car 9 vibration displacement amplitude and rolling guide shoe abrasion quantity exceeding standard values are pre-warned by connecting the single chip microcomputer 35 to control the red-yellow warning lamp 35, so that accurate judgment is provided for maintenance and maintenance personnel, and maintenance personnel are reminded of replacement and maintenance.
Further, the super high-speed elevator 1 is an elevator with the speed of more than 3m/s, at least comprises structures such as a T-shaped guide rail, rolling guide shoes, a car and the like, wherein the rolling guide shoes are arranged on a car bracket, and the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27 are in contact with the working surface of the T-shaped guide rail so as to enable the car to move up and down along the T-shaped guide rail. The super high-speed elevator is provided with two rolling guide shoes with the same structure, and each rolling guide shoe consists of three rolling guide wheels, a main swinging rod, a secondary swinging rod, a limiting spring, a dustproof assembly and a base.
In fig. 8, the detection method based on the detection system includes the following detection steps:
step one: installing and debugging the module component of the detection system;
step two: the traction system 13 works, and the lifting steel wire rope drags the car 9 along the T-shaped guide rail through the guide wheel 12 so as to realize vertical movement up and down; the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27 of the rolling guide shoe 10 are attached to the T-shaped guide rail through a limit spring 29 and move up and down along with the car 9, and the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27 rotate;
step three: the industrial laser range finder 21 emits laser beams to irradiate the reflecting plate 11 to obtain real-time displacement of the rolling guide shoes relative to the top of the elevator; the three-dimensional laser scanner 23 scans the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27 in real time to obtain the volume in the motion process; the acceleration sensor 30 located in the guide wheel rotation shaft 28 detects vibration accelerations in three directions X, Y, Z of the car 9, respectively;
step four: the signals detected by the vibration detection module 2, the rolling guide shoe abrasion detection module 4 and the damage positioning module 3 are collected by a signal collecting card in the information transmission module 16 and transmitted to the PC end processing module 6 by the wireless transmission module;
Step five: the PC end processing module 6 performs wavelet analysis and micro integration processing on the data obtained in the step four to obtain the vibration amplitude of the elevator car 9, the abrasion loss of the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27 and the guide shoe displacement at the moment, establishes a dynamic association relation between the vibration amplitude of the elevator and the abrasion loss of the rolling guide shoes through a neural network algorithm by combining a gray association degree analysis and a curve fitting method, and performs predictive analysis on the running condition of the elevator; obtaining the elevator vibration amplitude, the rolling guide shoe abrasion loss, the rolling guide shoe real-time displacement and the elevator running condition prediction result;
step six: establishing an ultra-high speed elevator detection system interface program 1.034 by utilizing QT and python tools, and quantitatively displaying the prediction result obtained in the step five in real time;
step seven: establishing an early warning system, respectively setting scrapping thresholds for vibration amplitude and guide shoe abrasion degree through on-site investigation and manufacturer data, judging whether the guide shoe is scrapped or not, and respectively realizing elevator vibration and rolling guide shoe abrasion early warning by combining a red lamp and a yellow lamp; when the vibration and abrasion set threshold value is exceeded, the vibration displacement amplitude of the elevator car 9 and the abrasion loss of the rolling guide shoes exceed standard values through red lights and yellow lights respectively for early warning, so that accurate judgment is provided for maintenance and maintenance personnel, and the maintenance personnel is reminded to replace and maintain.
The invention is further illustrated by the following examples in connection with the accompanying drawings;
example 1: the invention relates to a vibration and rolling guide shoe abrasion coupling detection system of an ultra-high speed elevator, which is characterized in that as shown in fig. 1, 2 and 3, the detection system is arranged on the original structure of the ultra-high speed elevator 1, and the ultra-high speed elevator 1 is the detected ultra-high speed elevator 1; comprising the following steps: the device comprises a vibration detection module 2, a damage positioning module 3, a wear detection module 4, an information transmission module 5, a PC end processing module 6, a visualization module 7 and an early warning module 8;
the speed of the ultra-high speed elevator 1 is more than 3m/s, the traction system 13 is a main driving source of the ultra-high speed elevator, one end of the steel wire rope is connected with the counterweight device 14, and the other end of the steel wire rope is connected with the car 9 through the guide wheel 12; the rolling guide shoes 10 are fixedly arranged on the top of the car 9 and move up and down synchronously with the car 9;
the rolling guide shoes 10 are divided into left rolling guide shoes 10-1 and right rolling guide shoes 10-2 in the ultra-high speed elevator, and the two rolling guide shoes are symmetrically arranged at the top end of the lift car 9 in the same structure; the detection modules and detection methods of the left and right rolling guide shoes 10-1 and 10-2 are the same, and the description below mainly refers to the detection module on the left rolling guide shoe 10-1 for convenience of description.
As shown in fig. 4, 5, 6 and 7, the damage positioning module 3 includes a light reflecting plate 11 and a telescope type laser ranging device 21, wherein the light reflecting plate 11 is mounted on the fixed top of the elevator and is attached to the T-shaped guide rail 15, so as to ensure the measurement error of the telescope type laser ranging device 15, the telescope type laser ranging device 15 is mounted on the dust-proof plate 20 of the left rolling guide shoe 10-1 and is attached to the T-shaped guide rail 15, so as to ensure the accurate laser emission on the light reflecting plate 11, and realize the detection and recording of the real-time displacement of the left rolling guide shoe 10-1 relative to the top of the elevator in the operation of the elevator.
The guide shoe roller wear detection module comprises: an anti-shake device 19, a three-dimensional laser scanner 23, and a three-dimensional laser scanner support 22; the adoption of the anti-shake device 19 further influences the measurement accuracy of the three-dimensional laser scanner 23 mainly because vibration can be generated in the running process of the elevator, wherein the three-dimensional laser scanner 23 can rapidly acquire three-dimensional point cloud data of the surface of the left rolling guide wheel 25 and calculate the volume of the three-dimensional point cloud data, and the three-dimensional laser scanner has the characteristics of rapidness, non-contact, real-time, dynamic and active properties, high density, high precision, digitization, automation and the like; having left, right and middle rolling guide wheels 18, 24, 27 mounted on left rolling guide shoe 10-1 and each rolling guide wheel is formed by combining three identical three-dimensional laser scanners 23 into 45 directly above ° The distribution is carried out to ensure that the rolling guide wheels 25 are scanned in all directions to measure the volume, the rolling guide wheels are fixed on the three-dimensional laser scanner support frame 22, and are connected with the dust guard 20 through the anti-shake device 19 to be fixed right above the left rolling guide shoe 10-1 and synchronously move with the left rolling guide shoe 10-1, so that the volumes of the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27 of the left rolling guide shoe 10-1 are detected in real time.
The vibration detection module mainly comprises a three-dimensional acceleration sensor 30, and is respectively arranged in the left rolling guide wheel 18, the right rolling guide wheel 24 and the guide wheel rotating shafts 28 of the middle rolling guide wheel 27 of the left rolling guide shoe 10-1, and detects and records the vibration acceleration of the three to obtain the vibration displacement of the left rolling guide shoe 10-1 and the X, Y, Z of the lift car 9 in the motion process.
The information transmission module mainly comprises an information transmission module 22, and because the working environment of the left rolling guide shoe 10-1 is complex, most of information transmission elements are easy to damage due to electronic elements, the information transmission module 16 is provided with a protective cover for protection, and the protective cover is arranged below the dust guard 20 of the left rolling guide shoe 10-1, wherein the information transmission module comprises a multi-channel regulator, a signal amplifier, an image acquisition card and a 5G wireless transmission module, can realize simultaneous acquisition of various signals and wireless real-time transmission, and ensures the transmission speed and loss rate of the signals.
The PC end processing module is arranged at the bottom of the ultra-high speed elevator 1, and processes the obtained volume information of the left rolling guide shoe 10-1, the obtained volume information of the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27 and the obtained X, Y, Z vibration displacement of the left rolling guide shoe 10-1 by utilizing a mature Python language programming technology to respectively obtain the real-time displacement of the left rolling guide shoe 10-1, the vibration amplitude of the X, Y, Z directions and the abrasion amounts of the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27, wherein the abrasion amounts of the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27 are obtained by subtracting the volumes of the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27 in real time, namely the abrasion volume amounts of the rolling guide wheels 25 in the elevator running process, and the abrasion degree judgment is carried out by combining with the calculus theory, and the vibration signals obtained by the three-dimensional acceleration sensor can contain noise, and the vibration amplitude is needed to be obtained by wavelet analysis. And further combining Python language programming technology, gray correlation analysis and curve fitting method to write detection programs, and establishing dynamic correlation relations between vibration amplitudes of the left rolling guide shoe 10-1X, Y, Z in three directions and abrasion amounts of the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27. Therefore, the running state of the elevator is predicted and analyzed, and a certain overhaul basis is provided for maintenance personnel.
And the visualization module is used for establishing real-time displacement of the left rolling guide shoe 10-1, vibration amplitude of X, Y, Z in three directions and data of abrasion amounts of the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27 through a Python and QT tool for quantitative real-time display and elevator running condition display.
And (3) establishing a guide shoe scrapping evaluation system and an early warning system, respectively setting maintenance thresholds for vibration displacement in the three directions of X, Y, Z and abrasion amounts of the left rolling guide wheel 18, the right rolling guide wheel 24 and the middle rolling guide wheel 27, and when any variable exceeds the respective set thresholds, carrying out red and yellow lamp early warning and outputting the displacement and vibration amplitude of the rolling guide shoes at the moment to carry out damage positioning. Further, the maintenance threshold value can be set according to the abrasion information and the vibration displacement information of the rolling guide wheel provided by manufacturers and maintenance personnel. The detection program is written according to the detection requirement through python language, and is used for processing and analyzing the input signals, so that the information transmitted by the information transmission module can be rapidly and effectively processed, and real-time online detection can be realized. Further, the red and yellow light early warning is controlled through python language, when the vibration displacement is larger than the set threshold value, the red light early warning is carried out, when the abrasion volume exceeds the maintenance threshold value, the yellow light early warning is carried out, and accurate maintenance information can be effectively provided for maintenance personnel, so that the real-time detection of the vibration and noise of the ultra-high-speed elevator is realized.
According to the invention, through online detection of vibration of the rolling guide wheel and three-dimensional real-time measurement of the contour of the rolling guide shoe, the vibration of the car of the ultra-high-speed elevator and the wear characteristics of the rolling guide shoe can be dynamically obtained in real time by combining wavelet analysis, calculus theory and the like, a dynamic association relation between the vibration amplitude of the elevator and the wear degree of the rolling guide shoe is established, the running condition of the elevator is analyzed and predicted, a threshold value is set for judging the wear degree of the guide shoe and the vibration amplitude, and the method has important practical significance for improving the running safety and comfort of the ultra-high-speed elevator and realizing the service safety assessment of the rolling guide shoe and the overrun warning of the wear of the rolling guide shoe. The system can realize vibration and abrasion online nondestructive detection, and has the advantages of simple installation, high detection efficiency and strong early warning instantaneity.
Claims (8)
1. A method for detecting vibration and rolling guide shoe abrasion coupling detection system of ultra-high speed elevator comprises installing rolling guide shoe at top of elevator car of ultra-high speed elevator; the device comprises a vibration detection module, a rolling guide shoe abrasion detection module, a damage positioning module, an information transmission module, a PC end processing module, a visualization module and an early warning module; the vibration detection module, the rolling guide shoe abrasion detection module and the damage positioning module are arranged on the rolling guide shoe, and the PC end processing module and the early warning module are arranged at the bottom of the elevator shaft; the device comprises a vibration detection module, a rolling guide shoe abrasion detection module and a damage positioning module, wherein the signal output ends of the vibration detection module, the rolling guide shoe abrasion detection module and the damage positioning module are respectively connected with the input end of a PC end processing module through an information transmission module, and the output end of the PC end processing module is respectively connected with the input ends of a visualization module and an early warning module, and is characterized in that: the detection steps of the detection system are as follows:
Step one: installing and debugging the module component of the detection system;
step two: the traction system works, and the lifting steel wire rope drags the car along the T-shaped guide rail through the guide wheel so as to realize vertical movement up and down; the left rolling guide wheel, the right rolling guide wheel and the middle rolling guide wheel of the rolling guide shoe are attached to the T-shaped guide rail through limit springs and move up and down along with the car, and the left rolling guide wheel, the right rolling guide wheel and the middle rolling guide wheel rotate;
step three: the industrial laser range finder emits laser beams to be shot on the reflecting plate, and real-time displacement of the rolling guide shoe relative to the top of the elevator is obtained; the three-dimensional laser scanner scans the left rolling guide wheel, the right rolling guide wheel and the middle rolling guide wheel in real time to obtain the volume in the motion process; acceleration sensors positioned in the guide wheel rotating shafts respectively detect vibration acceleration of the car in three directions X, Y, Z;
step four: signals detected by the vibration detection module, the rolling guide shoe abrasion detection module and the damage positioning module are collected through a signal collecting card in the information transmission module, processed through the multichannel regulator and the amplifier, and transmitted to the PC end processing module through the 5G wireless transmission module;
Step five: the PC end processing module performs wavelet analysis and micro integration processing on the data obtained in the step four to obtain the vibration amplitude of the elevator car, the abrasion loss of the left rolling guide wheel, the right rolling guide wheel and the middle rolling guide wheel and the displacement of the guide shoes, establishes a dynamic association relation between the vibration amplitude of the elevator and the abrasion loss of the rolling guide shoes through a neural network algorithm by combining a gray association degree analysis and a curve fitting method, and performs predictive analysis on the running condition of the elevator; obtaining the elevator vibration amplitude, the rolling guide shoe abrasion loss, the rolling guide shoe real-time displacement and the elevator running condition prediction result;
step six: establishing an interface program 1.0 of a super-speed elevator detection system by utilizing QT and python tools, and quantitatively displaying the predicted result obtained in the step five in real time;
step seven: establishing an early warning system, respectively setting scrapping thresholds for vibration amplitude and guide shoe abrasion degree through on-site investigation and manufacturer data, judging whether the guide shoe is scrapped or not, and respectively realizing elevator vibration and rolling guide shoe abrasion early warning by combining a red lamp and a yellow lamp; when the vibration and abrasion set threshold value is exceeded, the vibration displacement amplitude of the elevator car and the abrasion loss of the rolling guide shoe exceed standard values through red lights and yellow lights respectively for early warning, so that accurate judgment is provided for maintenance and maintenance personnel, and the maintenance personnel is reminded to replace and maintain.
2. The detection method of the ultra-high-speed elevator vibration and rolling guide shoe abrasion coupling detection system according to claim 1, wherein the detection method is characterized in that: the vibration detection module is provided with three acceleration sensors which are respectively arranged in the central holes of the three guide wheel rotating shafts of the rolling guide shoes, the three acceleration sensors detect acceleration or deceleration in the directions of three coordinate axes of the X, Y, Z of the elevator car to form three-dimensional acceleration detection, and the detected signals are analyzed by the PC end processing module to obtain vibration displacement.
3. The detection method of the ultra-high-speed elevator vibration and rolling guide shoe abrasion coupling detection system according to claim 1, wherein the detection method is characterized in that: the rolling guide shoe abrasion detection modules are in three groups and have the same structure and are positioned above the rolling guide wheels of the rolling guide shoes; comprising the following steps: a laser scanner, a scanner support frame and an anti-shake device;
the scanner support frames are arranged on the bottom surface of the dust-proof plate through the anti-shake device, three laser scanners are in a group, and are fixed on the scanner support frames and distributed at an included angle of 45 degrees; three laser scanners scan the rolling guide wheel of the rolling guide shoe in three directions, and acquire the three-dimensional contour coordinates of the rolling guide wheel in real time, namely: three-dimensional volume.
4. The detection method of the ultra-high-speed elevator vibration and rolling guide shoe abrasion coupling detection system according to claim 1, wherein the detection method is characterized in that: the damage positioning module comprises: industrial laser rangefinder and reflector; the industrial laser range finder is arranged right above the dust-proof plate, and the reflecting plate is arranged at the top of the elevator shaft and is attached to the top of the elevator shaft and the T-shaped guide rail; the industrial laser range finder corresponds to the reflector; the industrial laser range finder adopts a telescope type laser range finder, has the measurement range of 3.5-2000 meters, meets the height requirement of a high-rise building, and has the continuous monitoring working function; the displacement of the rolling guide shoe relative to the reflecting plate is dynamically monitored in real time, so that the damaged position is positioned, and the accuracy is ensured to be within 50 mm.
5. The detection method of the ultra-high-speed elevator vibration and rolling guide shoe abrasion coupling detection system according to claim 1, wherein the detection method is characterized in that: the information transmission module is as follows: a multichannel dynamic signal analyzer; and the vibration detection module, the rolling guide shoe abrasion detection module and the damage positioning module are used for converting signals acquired by the vibration detection module, the rolling guide shoe abrasion detection module and transmitting the signals to the PC end processing module in a rapid wireless mode.
6. The detection method of the ultra-high-speed elevator vibration and rolling guide shoe abrasion coupling detection system according to claim 1, wherein the detection method is characterized in that: the PC end processing module comprises: and programming the PC terminal and Python3.9 software, further analyzing and processing the signals of the information transmission module, and transmitting the processed signals to the visualization module through the output end to predict and analyze the running state of the elevator, thereby providing maintenance basis for maintenance personnel.
7. The detection method of the ultra-high-speed elevator vibration and rolling guide shoe abrasion coupling detection system according to claim 1, wherein the detection method is characterized in that: the visualization module comprises: the ultra-high speed elevator detection system 1.0 software displays the vibration amplitude of an elevator car, the abrasion loss of a left rolling guide wheel, a right rolling guide wheel and a middle rolling guide wheel and the displacement of guide shoes in real time;
and establishing an interface program for quantifying data of the vibration amplitude of the rolling guide shoes in three directions, namely the vibration amplitude of the rolling guide shoes in real time and the vibration amplitude of the rolling guide shoes in X, Y, Z and the abrasion quantity of the left rolling guide wheel, the right rolling guide wheel and the middle rolling guide wheel through Python and QT tools, and quantitatively displaying the data obtained by a PC end processing module in real time and displaying the running condition of the elevator, thereby providing visual maintenance basis for maintenance personnel.
8. The detection method of the ultra-high-speed elevator vibration and rolling guide shoe abrasion coupling detection system according to claim 1, wherein the detection method is characterized in that: the early warning module comprises: python3.9 software, singlechip and red yellow warning light, python3.9 software set for different thresholds to vibration and wearing and tearing, connect the singlechip control red yellow warning light and realize that elevator car vibration displacement amplitude and the rolling guide shoe wearing and tearing volume surpass the standard value and carry out the early warning, provide accurate judgement for maintenance and maintenance personnel, remind the maintenance personnel to change and maintain.
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