CN213950263U - Elevator wire rope monitoring system that beats based on thing networking - Google Patents
Elevator wire rope monitoring system that beats based on thing networking Download PDFInfo
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- CN213950263U CN213950263U CN202022996128.1U CN202022996128U CN213950263U CN 213950263 U CN213950263 U CN 213950263U CN 202022996128 U CN202022996128 U CN 202022996128U CN 213950263 U CN213950263 U CN 213950263U
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Abstract
The utility model discloses an elevator wire rope monitoring system that beats based on thing networking, including three-dimensional laser scanner subassembly and remote monitoring end, three-dimensional laser scanner subassembly can be installed on the inner wall of elevator well with bolt fastening or the mode of magnetism absorption, and the remote monitoring end implements communication through internet and three-dimensional laser scanner, and all wire rope are covered to three-dimensional laser scanner transmission horizontally laser face, and the remote monitoring end is based on whether the jumping amount of each strand of wire rope of position information analysis of each wire rope that three-dimensional laser scanner obtained at same moment exceeds the settlement threshold value, if exceed then report to the police. The utility model discloses wire rope to perpendicular elevator monitors, and acquisition position information obtains amplitude and the run-out data, can realize the monitoring of elevator stranded wire rope simultaneous movement state for failure analysis provides reliable data support for the timely maintenance of perpendicular elevator, possesses multiple fixed mode, and the mountable is on multiple elevator well, and the practicality is strong, and application scope is wide.
Description
Technical Field
The utility model belongs to the technical field of perpendicular elevator monitoring, more specifically relates to an elevator wire rope monitoring system that beats.
Background
The vertical elevator as special equipment is used for taking an important task of transporting passengers in railway and urban rail transit, and the safety of the vertical elevator is very important. In order to ensure the safety of passengers and reduce the occurrence probability of accidents, the vertical elevator needs to be regularly detected and maintained, so that the equipment is ensured to be in a good running state. However, the maintenance of the vertical elevator at present mainly adopts manual periodic maintenance and fault maintenance, namely, a worker periodically checks when no fault occurs and then maintains when a fault occurs, and the mode belongs to a post-accident behavior, cannot effectively prevent the occurrence of the fault and is not beneficial to avoiding the occurrence of major accidents; meanwhile, the periodic maintenance may cause excessive maintenance or untimely maintenance, which results in large time, manpower and material resources consumption, poor effect, and high operation difficulty and cost.
The elevator steel wire rope is a component for connecting the counterweight and the elevator car and transferring power for the lifting of the elevator, is a key component of the elevator and is of great importance to the running safety of the elevator. Elevator wire rope can be because of multiple reasons and take place the disturbance in the operation, can cause when the jumping amount is too big to take place the friction and collision between the stranded steel wire, or take place the friction and collision with other parts nearby, and wire rope can produce the damage, and life shortens, more can produce harmful effects to wire rope's structure and atress, brings huge hidden danger for the operation of elevator, threatens passenger's life and property safety. At present, the disclosed patent mainly focuses on monitoring the internal defect state in the aspect of elevator steel wire rope monitoring technology, and does not have a patent for monitoring the motion states such as the jumping amount of the steel wire rope, for example, CN201910811217.3 electromagnetic sensor and monitoring method for monitoring the state of elevator dragging steel belt.
SUMMERY OF THE UTILITY MODEL
To the above defect of prior art or improve the demand, the utility model provides an elevator wire rope monitoring system that beats based on thing networking, it monitors the key part-wire rope of perpendicular elevator, gathers position information and obtains amplitude and the amount of fluctuation data, can realize the monitoring of elevator stranded wire rope simultaneous movement state for failure analysis provides reliable data support for the timely maintenance of perpendicular elevator, provides effectual technological means for the operation safety of guarantee perpendicular elevator.
For realizing the above-mentioned purpose, according to the utility model discloses an aspect provides an elevator wire rope monitoring system that beats based on thing networking, a serial communication port, including three-dimensional laser scanner subassembly and remote monitoring end, wherein:
the three-dimensional laser scanner assembly comprises a three-dimensional laser scanner, a connecting seat and a plurality of electromagnets, the three-dimensional laser scanner is installed on the connecting seat, a plurality of through holes are formed in the connecting seat, a bolt is arranged at each through hole, the plurality of electromagnets and electromagnet switches used for controlling the on-off of the electromagnets are installed on the connecting seat, and the connecting seat is fixedly installed on the inner wall of an elevator shaft through the bolts or the electromagnets;
the remote monitoring end is connected with the three-dimensional laser scanner through an internet, and a horizontal laser surface emitted by the three-dimensional laser scanner covers all steel wire ropes.
Preferably, the remote monitoring end is connected with the three-dimensional laser scanner through a wireless transmission module.
Preferably, the through holes are four and they are arranged at the four corners of a rectangle.
Preferably, the bolt is a chemical bolt.
Preferably, the connecting seat is used for installing an electromagnet on one side contacting with the elevator shaft.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:
1) the utility model provides an elevator wire rope monitoring system that beats based on thing networking, this system utilize install on the elevator well inner wall face all wire rope's three-dimensional laser scanner, monitor stranded wire rope's the amount of bounce, and then whether the running state who assesss elevator wire rope is good, whether can influence the whole operation safety of elevator, whether need shut down and adjust to maintenance for the elevator provides data support and tactics and guides.
2) The utility model discloses an elevator wire rope monitoring system that beats based on thing networking mainly comprises three-dimensional laser scanner and remote monitoring end, can realize elevator stranded wire rope's the online monitoring of the amount of bounce, aassessment wire rope's running state, can avoid the amount of bounce too big cause between the steel wire or with other parts between too much friction collision, reduce wire rope's damage, increase of service life ensures the operation safety of elevator, has better application prospect and spreading value.
Drawings
Fig. 1 is a schematic layout diagram of an elevator wire rope run-out monitoring system based on the internet of things;
fig. 2 is a schematic diagram of the coordinate position of the steel wire rope of the internet-of-things-based elevator steel wire rope run-out monitoring system of the utility model;
fig. 3 is a schematic layout diagram of the three-dimensional laser scanner of the internet-of-things-based elevator wire rope run-out monitoring system in the elevator shaft;
fig. 4 is a schematic diagram of the run-out amplitude curve of the single-stranded wire rope of the present invention over time;
FIG. 5 is a schematic diagram of the jumping coordinate relationship of the multi-strand steel wire rope of the present invention;
fig. 6 is a flow chart of the monitoring method of the internet-of-things-based elevator steel wire rope jumping monitoring system of the utility model;
fig. 7 is a schematic view of the three-dimensional laser scanner of the present invention mounted on the connecting base;
fig. 8 is a schematic view of the present invention in which an electromagnet is installed on the connecting seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 to 8, a wire rope bounce monitoring system for an elevator based on the internet of things, a car 4 is suspended on a wire rope 3, and the monitoring of the state of the wire rope 3 is of great importance.
The monitoring system comprises a three-dimensional laser scanner assembly 1 and a remote monitoring end, wherein the three-dimensional laser scanner assembly 1 comprises a three-dimensional laser scanner 101, a connecting seat 102 and electromagnets, the connecting seat 102 is installed on the inner wall of an elevator shaft 2, a plurality of through holes 103 are formed in the connecting seat 102, a bolt is arranged at each through hole 103, a plurality of electromagnets and electromagnet switches 106 used for controlling the on-off of the electromagnets are further installed on the connecting seat 102, and the connecting seat 102 is fixedly installed on the inner wall of the elevator shaft 2 through the bolts or the electromagnets; preferably, the through holes 103 are four and they are arranged at four corners of a rectangle, and the bolts are chemical bolts.
These electromagnets are divided into a large electromagnet 104 and a small electromagnet 105, and the large electromagnet 104 and the small electromagnet 105 are respectively embedded in the side of the connecting base 102 for contact with the elevator shaft 2. When the elevator shaft 2 is made of concrete, the connecting seat 102 can be fixedly connected with the elevator shaft 2 after passing through the through hole 103 through a bolt; when the elevator shaft 2 is made of steel, the connection base 102 may be fixed to the elevator shaft 2 by being attracted by the large electromagnet 104 and the small electromagnet 105.
The remote monitoring end is communicated with the three-dimensional laser scanner 101 through an internet, the horizontal laser surface emitted by the three-dimensional laser scanner 101 covers all the steel wire ropes 3, namely all the steel wire ropes 3 penetrate through the laser surface to be used for collecting position information of all the steel wire ropes 3 and sending the position information to the remote monitoring end, the range of the laser surface emitted by the three-dimensional laser scanner 101 can completely cover the maximum range (the maximum jumping amount) of the jumping of all the steel wire ropes 3, namely the coverage range of the laser surface is larger than the jumping of the steel wire ropes 3, redundancy is reserved in the coverage range to ensure that the jumping of all the steel wire ropes 3 in any direction and the jumping of any amplitude can be detected, and the three-dimensional laser scanner 101 can combine the distance information measured at the same time and send the distance information to the remote monitoring end. The amplitude of the jump refers to the distance between the midpoint of the cross-sectional profile of the steel wire rope 3 obtained at a certain moment and the midpoint of the design position. According to the amplitude of the jump, the jump amount of the steel wire rope 3 in the inner wall of the elevator shaft 2 parallel to the three-dimensional laser scanner 101 and the jump amount of the steel wire rope 3 in the inner wall of the elevator shaft 2 perpendicular to the three-dimensional laser scanner 101 can be obtained.
The utility model discloses utilize three-dimensional laser scanner 101's laser rangefinder's principle, through information such as the three-dimensional coordinate of the intensive point in a large amount of 3 surfaces of record wire rope, reflectivity, can rebuild various picture data such as three-dimensional model and line, face, the body of steel wire rope 3 fast. Because the three-dimensional laser scanning system can intensively acquire a large number of data points of the surface profile of the steel wire rope 3, the monitoring efficiency can be greatly improved, and the real-time and accurate monitoring of the steel wire rope 3 is ensured.
The remote monitoring end analyzes whether the jumping amount of each strand of steel wire rope 3 exceeds a set threshold value or not based on the position information of each steel wire rope 3 obtained by the three-dimensional laser scanner 101 at the same moment, and gives an alarm if the jumping amount exceeds the set threshold value.
The monitoring system monitors the jumping quantity of a plurality of strands of steel wire ropes 3 by utilizing the three-dimensional laser scanner 101 which is arranged on the inner wall of the elevator shaft 2 and is right opposite to the steel wire ropes 3, and then evaluates whether the running state of the steel wire ropes 3 of the elevator is good or not, whether the whole running safety of the elevator can be influenced or not, and whether the elevator needs to be stopped for adjustment or not, so that data support and strategy guidance are provided for the maintenance of the elevator.
Further, the remote monitoring end also draws a jumping amplitude curve of each strand of the steel wire rope 3 along with the change of time, so as to analyze the jumping rule of the strand of the steel wire rope 3, and further judge the state of the strand of the steel wire rope 3, such as whether the jumping amount is too large in a certain time period, whether the adjacent steel wire rope 3 is collided, whether the adjacent steel wire rope is elongated, whether the adjacent steel wire rope needs to be replaced, and the like. Preferably, the remote monitoring end displays the jumping amplitude curve of each strand of the steel wire rope 3 which is drawn along with the change of time on the display screen, the jumping amplitude curve is visually displayed on the display screen, so that a strategy for guiding maintenance personnel to overhaul and adjust is conveniently formulated, and the maintenance personnel can conveniently visually analyze and formulate a strategy for overhauling and adjusting.
In addition, the three-dimensional laser scanner 101 obtains a cross-sectional scanning diagram formed by the cross sections of the steel wire ropes 3 according to the measured positions of the steel wire ropes 3 at all times, and compares the measured positions of the cross sections of the steel wire ropes 3 with the designed positions of the steel wire ropes 3 according to the cross-sectional scanning diagrams to obtain the jumping directions of the steel wire ropes 3 at all times, so that maintenance personnel can perform intuitive analysis and make a strategy for maintenance and adjustment. The theoretical design position of the steel wire rope 3 should be a straight vertical line, so that the position relationship of the cross section profile of the steel wire rope 3 at each moment relative to a point on the vertical line can be compared, and the jumping condition of the steel wire rope 3 at each moment can be obtained through the position relationship.
Further, the remote monitoring end draws a bouncing coordinate graph of the multi-strand steel wire rope 3 at the same moment according to the position of the multi-strand steel wire rope 3 obtained by the three-dimensional laser scanner 101, so as to analyze the position relation of the multi-strand steel wire rope 3 when bouncing, thereby judging whether friction or collision exists between the multi-strand steel wire rope 3, and alarming when the number of collision exceeds a threshold value in any time period. And (3) formulating a strategy for guiding maintenance personnel to overhaul and adjust by analyzing a multi-strand steel wire rope 3 jumping coordinate relation graph. Preferably, the remote monitoring end displays a jumping coordinate graph of the multi-strand steel wire rope 3 drawn at the same moment on a display screen, so that maintenance personnel can visually analyze and make a strategy for maintenance and adjustment. If the cross section profiles of two steel cables are found to be in contact, the two steel cables 3 can be judged to have collision.
Further, the remote monitoring end obtains the coordinate information of the steel wire rope 3 in the coordinate system at each moment according to the established coordinate system, so that the coordinate positioning of each strand of the steel wire rope 3 is realized, and the accurate positioning of the steel wire rope 3 at each moment is realized. Regarding the establishment of the coordinate system, a field coordinate system may be established in the elevator shaft 2, the cross-sectional profile of each steel wire rope 3 obtained by scanning may obtain coordinate information in the field coordinate system, the three-dimensional laser scanner 101 may also establish a scanner coordinate system, and the coordinate information of the cross-sectional profile of each steel wire rope 3 may be obtained in the scanner coordinate system through coordinate transformation, so that each steel wire rope 3 may be positioned. The establishment of the scanner coordinate system and the coordinate transformation are relatively conventional techniques in the art and will not be described in detail herein.
Referring to fig. 6, according to another aspect of the present invention, there is provided a monitoring method for a system for monitoring the pulsation of an elevator steel wire rope 3 based on the internet of things, comprising the following steps:
1) starting the three-dimensional laser scanner 101;
2) the laser plane emitted by the three-dimensional laser scanner 101 covers all the steel wire ropes 3;
3) the three-dimensional laser scanner 101 measures the distance of the steel wire rope 3;
4) the three-dimensional laser scanner 101 combines the position information of the steel wire rope 3 measured at the same moment according to the established coordinate system and sends the combined position information to a remote monitoring end;
5) the remote monitoring end processes the acquired position data, analyzes whether the jumping amount of each strand of steel wire rope 3 exceeds a threshold value, and gives an alarm if the jumping amount exceeds the threshold value;
6) the remote monitoring end draws a jumping amplitude curve of the single-stranded steel wire rope 3 along with the change of time;
7) the remote monitoring end draws a jumping coordinate graph of the multi-strand steel wire rope 3 at the same moment according to the obtained position information;
8) the remote monitoring end judges whether friction or collision exists among the multi-strand steel wire ropes 3 according to the jumping coordinate graph in the step 7), and an alarm is given when the collision frequency exceeds a threshold value in any time period;
9) and the remote monitoring end formulates a strategy for guiding maintenance personnel to overhaul and adjust according to the amplitude curve in the step 6) and the jumping coordinate graph in the step 7).
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides an elevator wire rope monitoring system that beats based on thing networking which characterized in that, includes three-dimensional laser scanner subassembly and remote monitoring end, wherein:
the three-dimensional laser scanner assembly comprises a three-dimensional laser scanner, a connecting seat and a plurality of electromagnets, the three-dimensional laser scanner is installed on the connecting seat, a plurality of through holes are formed in the connecting seat, a bolt is arranged at each through hole, the plurality of electromagnets and electromagnet switches used for controlling the on-off of the electromagnets are installed on the connecting seat, and the connecting seat is fixedly installed on the inner wall of an elevator shaft through the bolts or the electromagnets;
the remote monitoring end is connected with the three-dimensional laser scanner through an internet, and a horizontal laser surface emitted by the three-dimensional laser scanner covers all steel wire ropes.
2. The elevator steel wire rope bounce monitoring system based on the Internet of things according to claim 1, wherein the remote monitoring end is connected with the three-dimensional laser scanner through a wireless transmission module.
3. The internet of things-based elevator wire rope run-out monitoring system according to claim 1, wherein the number of the through holes is four and the through holes are arranged at four corners of a rectangle.
4. The elevator steel wire rope run-out monitoring system based on the Internet of things of claim 1, wherein the bolts are chemical bolts.
5. The internet of things-based elevator steel wire rope bounce monitoring system according to claim 1, wherein the connecting seat is used for installing an electromagnet on one side contacting with an elevator shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022996128.1U CN213950263U (en) | 2020-12-14 | 2020-12-14 | Elevator wire rope monitoring system that beats based on thing networking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022996128.1U CN213950263U (en) | 2020-12-14 | 2020-12-14 | Elevator wire rope monitoring system that beats based on thing networking |
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| CN213950263U true CN213950263U (en) | 2021-08-13 |
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| CN202022996128.1U Active CN213950263U (en) | 2020-12-14 | 2020-12-14 | Elevator wire rope monitoring system that beats based on thing networking |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112723079A (en) * | 2020-12-14 | 2021-04-30 | 中铁第四勘察设计院集团有限公司 | Elevator steel wire rope jumping monitoring system and method based on Internet of things |
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2020
- 2020-12-14 CN CN202022996128.1U patent/CN213950263U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112723079A (en) * | 2020-12-14 | 2021-04-30 | 中铁第四勘察设计院集团有限公司 | Elevator steel wire rope jumping monitoring system and method based on Internet of things |
| CN112723079B (en) * | 2020-12-14 | 2023-12-15 | 中铁第四勘察设计院集团有限公司 | Elevator steel wire rope runout monitoring system and method based on Internet of things |
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