CN212558996U - Intelligent flaw detection device for elevator steel belt - Google Patents
Intelligent flaw detection device for elevator steel belt Download PDFInfo
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- CN212558996U CN212558996U CN202020239944.5U CN202020239944U CN212558996U CN 212558996 U CN212558996 U CN 212558996U CN 202020239944 U CN202020239944 U CN 202020239944U CN 212558996 U CN212558996 U CN 212558996U
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Abstract
The utility model discloses an intelligence elevator steel band detection device that detects a flaw belongs to special equipment and detects technical field, including magnetic sensor, speed encoder and main control board, be provided with magnetic sensor and speed encoder on the elevator steel band, magnetic sensor and speed encoder all with main control board electric connection, main control board and server communication connection. When an elevator steel belt passes through the magnetic sensor, if the magnetic flux passing through the steel wire rope is increased, the steel wire rope is broken, worn and the like, and the more broken wires are worn, the larger the magnetic flux is; the elevator steel belt can drive the speed encoder to rotate when moving, thereby obtaining the curve of the running time and the distance of the steel wire rope, judging whether the guide rail support exists or not, obtaining the time of the first photoelectric switch passing through the guide rail support through a time node of the change of the detection signal, and obtaining the specific position of the broken wire by combining a magnetic sensor for flaw detection. The device not only has high precision and reliability, but also is convenient to detect, and brings great convenience to the elevator detection industry.
Description
Technical Field
The utility model relates to a special equipment detects technical field, more specifically relates to an intelligence elevator steel band detection device that detects a flaw.
Background
In the long-term operation process of the elevator, the steel belt is inevitably worn and rusted, and the safety coefficient is reduced after the steel belt is worn. However, the existing detection method mainly comprises manual detection (including visual inspection and ruler drawing) and regular replacement, the method has large human error and low detection efficiency, and equipment for detecting a single steel strip is arranged, so that two problems exist, namely, the equipment is too large and is inconvenient to carry. Secondly, only a single steel belt can be detected, and the elevator has a plurality of steel belts, so that a large amount of time is spent on testing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide an intelligence elevator steel band detection device of detecting a flaw, not only simple structure, use are convenient, and the testing result degree of accuracy is high moreover.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides an intelligence elevator steel band detection device that detects a flaw, includes magnetic sensor, speed encoder and main control board, be provided with magnetic sensor and speed encoder on the elevator steel band, magnetic sensor with speed encoder all with main control board electric connection, main control board and server communication connection.
Further, the server comprises a data processing module and a display device, wherein the data processing module is used for acquiring the working condition of the elevator steel belt according to the monitoring information transmitted by the main control board, and transmitting and displaying the working condition of the elevator steel belt to the display device.
Further, the server is connected with an external terminal device.
Further, the external terminal equipment comprises a computer and a mobile phone APP.
Furthermore, the magnetic sensor, the speed encoder and the main control board are of an integrated structure.
Furthermore, still include the lithium cell, lithium cell fixed mounting is in the host computer, the lithium cell with the mainboard electric connection.
Furthermore, the lithium battery pack also comprises a power switch, and the main control board is electrically connected with the lithium battery through the power switch.
The utility model has the advantages that:
the utility model discloses based on magnetic sensor, speed encoder, server and main control board etc. elevator steel band passes through magnetic sensor, when the elevator steel band passes through magnetic sensor, if the magnetic flux through the steel band increases, then represent that the steel band has broken silk, wearing and tearing etc. and the broken silk wearing and tearing are more, and the magnetic flux is bigger; the speed encoder is close to the elevator steel belt, and the elevator steel belt can drive the speed encoder to rotate when moving to obtain the curve of the operating time and the distance of steel belt, consequently judge whether have rail brackets, through the time node that the detected signal changes alright obtain the time that first photoelectric switch passes rail brackets, combine the magnetic sensor who detects a flaw, obtain the concrete position of disconnected silk.
The utility model has the advantages of as follows: the flaw detection equipment is high in precision and reliability, convenient to detect and capable of bringing great convenience to the elevator detection industry. In addition, the detection efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural view of an elevator steel belt flaw detection device provided by the present invention;
fig. 2 is the utility model provides an elevator steel band inspection device's installation schematic diagram.
In the figure, 1-a magnetic sensor, 2-a speed encoder, 3-a main control board, 4-a server, 5-a lithium battery, 6-a power switch, 7-an elevator steel belt and 8-a base.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description. Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Before describing the embodiments, some necessary terms need to be explained. For example:
if the terms "first," "second," etc. are used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. Thus, a "first" element discussed below could also be termed a "second" element without departing from the teachings of the present invention. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" or "directly coupled" to another element, there are no intervening elements present.
The various terms appearing in this application are used for the purpose of describing particular embodiments only and are not intended as limitations on the invention, except where the context clearly dictates otherwise, the singular is intended to include the plural as well.
When the terms "comprises" and/or "comprising" are used in this specification, these terms are intended to specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence and/or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
As shown in fig. 1, an intelligent elevator steel belt flaw detection device comprises a magnetic sensor 1, a speed encoder 2 and a main control board 3, the elevator steel belt 7 is provided with the magnetic sensor 1 and the speed encoder 2, the magnetic sensor 1 and the speed encoder 2 are both electrically connected with the main control board 3, and the main control board 3 is in communication connection with a server 4.
As a preferred embodiment, the server 4 includes a data processing module and a display device, and the data processing module is configured to obtain the working condition of the elevator steel belt 7 according to the monitoring information transmitted by the main control board 3, and transmit and display the working condition of the elevator steel belt 7 to the display device.
Further, the server 4 is connected to an external terminal device.
Further, the external terminal equipment comprises a computer and a mobile phone APP.
The elevator steel belt 7 is a galvanized steel belt, a layer of polyurethane is coated outside the galvanized steel belt, the magnetic sensor 1 is used for detecting the conditions of wire breakage, abrasion and the like of the elevator steel belt 7 to obtain an electric signal of magnetic flux change, the speed encoder 2 is used for detecting the speed of the elevator steel belt 7 in the running process of the elevator, the motion condition of the elevator can be calculated through the speed and the time, the real-time position of the elevator steel belt 7 in the detection and the speed of the elevator are judged, the position of a wire breakage point of the steel belt in the elevator steel belt 7 can be calculated by matching with the signal of the magnetic sensor 1, and therefore the installation quality condition is obtained and is convenient. The main control board 3 sends the processed signal to the server 4, and then the processed signal is checked by a mobile phone or a PC.
Specifically, when the device supplies power to the Hall pieces to magnetize the elevator steel belt 7, a main leakage magnetic field H1 and a local leakage magnetic field H2 occur around the steel belt, namely: the wear can be qualitatively and quantitatively analyzed by H1 and H2, and because the wear is detected by adopting a permanent magnet technology, the wear is not close to a high-current device as much as possible when the wear is used, and the wear is not required to be placed beside metal for testing. The detection of steel strips by magnetic fields has been accepted by the public and proved by experiments. And (4) taking a ring belt on the steel belt, and detecting the magnetic flux density B or the magnetic field intensity H on the area of the ring belt to judge the damage area Delta S.
B＝μH
In air and vacuum, μ ═ 1, then: h ═ B
H∞ΔS
ΔS＝∫∫H(x,y)dxdy
ΔSmax＝0→2π
ΔSmin＝0→0
The Hall sensor is arranged on the ring belt to form a ring magnetic field, so that not only can the physical quantity of the field intensity of a certain point be identified, but also the spatial position of the flaw detection point of the steel strip can be identified. The area deltas of the steel strip damage point becomes a function of the field strength, and the steel strip cross-section area damage quantity deltas 0 should be the integral of each point:
then: the total damage amount in one bank distance is as follows:
experiments and practices prove that the mathematical model established by the equipment is completely correct. By adjusting the specific inverse coefficient A and the calibration constant C, steel belts with different types and sizes can be detected, and the wear type can be displayed. For example, breaking 1 filament shows printing 1 filament. A broken 8 filament may also indicate a broken 8 filament.
Example 2
Further, the magnetic sensor 1, the speed encoder 2 and the main control board 3 are of an integrated structure.
Example 3
Further, still include lithium cell 5, lithium cell 5 fixed mounting is in the host computer, lithium cell 5 with main control board 3 electricity is connected.
As a preferred embodiment, the lithium battery pack further comprises a power switch 6, and the main control board 3 is electrically connected to the lithium battery 5 through the power switch 6.
Whole device simple structure, detection through magnetic sensor 1 and speed encoder 2 can improve the precision of testing result, compares conventional manual detection more swiftly safety simultaneously.
The utility model discloses based on magnetic sensor 1, speed encoder 2, server 4 and main control board 3 etc. elevator steel band 7 passes magnetic sensor 1, when elevator steel band 7 passed through magnetic sensor 1, if the magnetic flux through the steel band increases, then represented the steel band and had broken silk, wearing and tearing etc. and the broken silk wearing and tearing are more, and the magnetic flux is bigger; the speed encoder 2 abuts against the elevator steel belt 7, the elevator steel belt 7 can drive the speed encoder 2 to rotate when moving, so that the running time and distance curve of the steel belt can be obtained, whether a guide rail support exists or not is judged, the time of the first photoelectric switch passing through the guide rail support can be obtained through the time node for detecting the change of the signal, and the specific position of broken wires is obtained by combining the magnetic sensor 1 for detecting the flaw.
The utility model has the advantages of as follows: the flaw detection equipment is high in precision and reliability, convenient to detect and capable of bringing great convenience to the elevator detection industry. In addition, the detection efficiency is improved.
In other technical features in this embodiment, those skilled in the art can flexibly select the technical features according to actual situations to meet different specific actual requirements. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known components, structures or parts are not described in detail in order to avoid obscuring the present invention, and the technical scope of the present invention is defined by the claims.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are used in a generic sense as is understood by those skilled in the art. For example, the components may be fixedly connected, movably connected, integrally connected, or partially connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected inside two elements, and the like, and for those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations, that is, the expression of the language and the implementation of the actual technology can flexibly correspond, and the expression of the language (including the drawings) of the specification of the present invention does not constitute any single restrictive interpretation of the claims.
Modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, which should be limited only by the claims appended hereto. In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known techniques, such as specific construction details, operating conditions, and other technical conditions, have not been described in detail in order to avoid obscuring the present invention.
Claims (7)
1. The utility model provides an intelligence elevator steel band detection device that detects a flaw which characterized in that: the elevator steel belt is provided with the magnetic sensor and the speed encoder, the magnetic sensor and the speed encoder are electrically connected with the main control board, and the main control board is in communication connection with a server.
2. The intelligent elevator steel strip flaw detection device of claim 1, characterized in that: the server comprises a data processing module and a display device, wherein the data processing module is used for acquiring the working condition of the elevator steel belt according to the monitoring information transmitted by the main control board, and transmitting and displaying the working condition of the elevator steel belt to the display device.
3. The intelligent elevator steel strip flaw detection device according to claim 1 or 2, characterized in that: the server is connected with external terminal equipment.
4. The intelligent elevator steel strip flaw detection device of claim 3, characterized in that: the external terminal equipment comprises a computer and a mobile phone APP.
5. The intelligent elevator steel strip flaw detection device of claim 1, characterized in that: the magnetic sensor, the speed encoder and the main control board are of an integrated structure.
6. The intelligent elevator steel strip flaw detection device of claim 1, characterized in that: still include the lithium cell, lithium cell fixed mounting is in the host computer, the lithium cell with the mainboard electricity is connected.
7. The intelligent elevator steel strip flaw detection device of claim 6, characterized in that: the lithium battery pack is characterized by further comprising a power switch, and the main control board is electrically connected with the lithium battery through the power switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020239944.5U CN212558996U (en) | 2020-03-02 | 2020-03-02 | Intelligent flaw detection device for elevator steel belt |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020239944.5U CN212558996U (en) | 2020-03-02 | 2020-03-02 | Intelligent flaw detection device for elevator steel belt |
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| CN212558996U true CN212558996U (en) | 2021-02-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115072526A (en) * | 2022-06-14 | 2022-09-20 | 宁波市特种设备检验研究院 | Intelligent elevator steel belt surface defect detection device |
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2020
- 2020-03-02 CN CN202020239944.5U patent/CN212558996U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115072526A (en) * | 2022-06-14 | 2022-09-20 | 宁波市特种设备检验研究院 | Intelligent elevator steel belt surface defect detection device |
| CN115072526B (en) * | 2022-06-14 | 2023-08-18 | 宁波市特种设备检验研究院 | Intelligent elevator steel belt surface defect detection device |
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