CN204778121U - Elevator guide rail detection device based on PSD - Google Patents
Elevator guide rail detection device based on PSD Download PDFInfo
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- CN204778121U CN204778121U CN201520401599.XU CN201520401599U CN204778121U CN 204778121 U CN204778121 U CN 204778121U CN 201520401599 U CN201520401599 U CN 201520401599U CN 204778121 U CN204778121 U CN 204778121U
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- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000005096 rolling process Methods 0.000 claims description 9
- 230000001939 inductive effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 6
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- 230000003750 conditioning effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
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- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
Provided elevator guide rail detection device based on PSD, belonged to elevator guide rail and detect technical field. The device includes based on PSD's laser alignment measuring device, stroke measuring device, guide rail interval measuring device and guide rail joint measuring device, laser alignment measuring device based on PSD includes the laser emission instrument who installs at the elevator pit to reach the PSD sensor that is connected to stroke measuring device regularly, stroke measuring device includes antifriction bearing, the guide surface dead contact of antifriction bearing and elevator, stroke measuring device still includes the position record appearance of record position, guide rail interval measuring device is including installing two inductance type transducers at car top beam both ends, the guide rail connect measuring device including install the car topmost a plurality of proximity switch and install a plurality of proximity switch bottom at stroke measuring device. The installation of this scheme is succinct convenient to can obtain elevator guide rail's testing result accurate, anti -interferencely.
Description
Technical Field
The utility model belongs to the technical field of elevator guide rail detects, especially, relate to an elevator guide rail detection device based on PSD.
Background
With the continuous development of modern society, the living and living level of people is continuously improved, high-rise buildings in cities are naturally and continuously increased, and the vertical lifting elevator is a main transportation tool in the high-rise buildings and gradually becomes an indispensable important component in daily production and life of people, so that the safety, the comfort and the high efficiency in elevator performance indexes become increasingly concerned by people. The guide rail is used as a guide device for the vertical lifting of the elevator, and the quality of the guide rail in the production process and the installation process is directly related to the safe and stable operation of the elevator. At present, related detection equipment is available, although multiple parameters of a guide rail can be measured, the precision is high, the detection equipment has the defects of complex structure, difficulty in installation, high cost, high technical level requirement of detection personnel and the like, and the popularization and the application of the detection equipment are limited.
The Position Sensitive Detector (PSD) is a light energy/position converter, and because the position quantity is analog quantity output, the system has fast response, high resolution, low cost and wide application value. Meanwhile, the target signal can be modulated, the anti-interference capability of the system can be obviously improved, and the system is used for realizing a high-speed, high-precision and high-anti-interference position detection system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an elevator guide rail detection device based on PSD overcomes the above-mentioned problem that exists among the prior art, realizes more succinct easy elevator guide rail detection device who uses.
In order to achieve the above purpose, the utility model provides an elevator guide rail detection device based on PSD, which comprises a laser collimation measuring device and a stroke measuring device which are arranged below a car and are based on PSD; a guide rail distance measuring device arranged above the lift car; and a guide rail joint measuring device arranged above and below the car; the PSD-based laser alignment measuring device comprises a laser transmitter arranged in a pit of the elevator and a PSD sensor fixedly connected to the stroke measuring device, wherein the PSD sensor is positioned right above the laser transmitter to receive signals from the laser transmitter; the stroke measuring device moving up and down along with the lift car comprises a rolling bearing, the rolling bearing is completely contacted with the guide rail surface of the elevator, and the stroke measuring device also comprises a position recorder for recording the position; the guide rail distance measuring device comprises two inductive sensors arranged at two ends of a beam at the top of the car; the guide rail joint measuring device includes a plurality of proximity switches installed at the uppermost end of the car and a plurality of proximity switches installed at the lowermost end of the stroke measuring device.
According to an aspect of the invention, the position recorder is and the encoder that has a fixed transmission ratio between the antifriction bearing.
According to the utility model discloses an aspect, laser alignment measuring device, stroke measuring device, guide rail interval measuring device and guide rail joint measuring device based on PSD all are connected to signal conditioning circuit.
According to an aspect of the utility model, signal conditioning circuit is connected to data acquisition card, data acquisition card is connected to notebook computer.
According to an aspect of the utility model, data acquisition card with notebook computer is located elevator car's top.
Therefore, the utility model discloses a combination of each measuring device that provides can install the detection of realizing elevator guide rail in the elevator simply, conveniently to utilize techniques such as PSD, can realize accurate, the anti-interference detection to elevator guide rail.
Drawings
Fig. 1 is an installation schematic diagram of a PSD-based elevator guide rail detection apparatus provided by the present invention;
fig. 2 is a circuit connection diagram of the PSD-based elevator guide rail detection system.
Detailed Description
The following description is a preferred embodiment of the present invention, and does not limit the scope of the present invention.
Referring to fig. 1, the PSD-based elevator guide rail detection apparatus mainly includes a PSD-based laser alignment measurement apparatus 100 and a stroke measurement apparatus 200 installed below a car 800; a guide rail interval measuring device 300 installed above the car 800; and rail joint measuring devices 400 installed above and below the car 800.
As shown in fig. 1, the PSD-based laser alignment measuring device 100 includes a laser transmitter 102 installed in an elevator pit, and a PSD sensor 101 fixedly connected to a stroke measuring device 200, wherein the PSD sensor 101 is located directly above the laser transmitter 102 to receive a signal from the laser transmitter 102. The laser alignment measuring device 100 based on the PSD is used for detecting the straightness and the verticality of the elevator guide rail 700.
The stroke measuring device 200 moves up and down along with the car, and the stroke measuring device 200 includes a rolling bearing which is completely contacted with the guide rail surface of the elevator, of course, the stroke measuring device 200 further includes a position recorder for recording the position, according to one embodiment, the encoder is used, a fixed transmission ratio is provided between the rolling bearing and the encoder, and the specific position during measurement can be known as long as the count of the encoder is recorded. The rolling bearing and the encoder are, for example, a high-precision rolling bearing and a high-precision encoder. Although only the right guide rail is shown in fig. 1 to be detected, the PSD-based laser collimation measuring device 100 and the PSD-based stroke measuring device 200 may actually exist, and the PSD-based laser collimation measuring device 100 and the PSD-based stroke measuring device 200 to be detected on the other guide rail may also exist.
The guide rail spacing measuring device 300 includes two inductive sensors mounted at both ends of a cross beam at the top of the car 800. When the car moves up and down, the car can shake in the moving process due to the gap between the guide rail and the guide shoe, so that differential measurement is adopted, namely the inductive sensors have a direction-distinguishing function, and errors caused by shaking can be offset by mutual superposition of readings of the two inductive sensors.
The rail joint measuring device 400 includes a plurality of proximity switches installed at the uppermost end of the car 800 and a plurality of proximity switches installed at the lowermost end of the stroke measuring device to determine a specific position and joint interval of each rail joint. The position of the rail joint, etc. can be obtained by measuring the position of a bolt on the rail connecting plate, for example, by a proximity switch.
The main structure of the PSD-based elevator guide rail detection device has been described so far, and the auxiliary part thereof, i.e. the part that obtains the parameters detected by these measuring devices and processes them to give a visual display to the user, is described below.
A data acquisition card 500 and a notebook computer 600 are further fixed above the car 800, and of course, a signal adjusting circuit not shown in fig. 1 may be further provided, the signal adjusting circuit receives the parameter signals measured by the above measuring devices, and performs operations such as amplification, filtering, isolation, and the like on the signals, so that the signals satisfy the acquisition range of the data acquisition card 500, and the notebook computer may analyze the data acquired by the data acquisition card to display the detection result of the guide rail in a three-dimensional manner, so as to obtain an error value. For example, fig. 2 shows such a structure, and the notebook computer can use, for example, LabView as a development platform to collect, analyze, process, display, etc. these signals, which are not the invention of the present invention, and belong to the prior art, and therefore, the detailed description thereof is omitted here.
Therefore, the utility model provides a new elevator guide rail detection device, can see out from the introduction and the attached 1 above, a plurality of measuring device that this detection device includes can install in the elevator very simply conveniently to utilized position sensitive device (PSD for short) to realize guide rail straightness accuracy and straightness's measurement of hanging down, still utilized the inductance type sensor etc. that both ends set up, thereby can realize accurate, the anti-interference measurement to elevator guide rail parameter, thereby can solve the technical problem who exists among the prior art.
It should be noted that the present invention is not limited to the specific embodiments and applications, but the present invention is not limited to the specific embodiments and applications, and those skilled in the art can modify the present invention and apply it to various practical applications for anti-counterfeit identification or tracking of a certain object.
Claims (5)
1. A PSD-based elevator guide rail detection device is characterized by comprising:
a laser alignment measuring device and a stroke measuring device which are arranged below the lift car and based on PSD; a guide rail distance measuring device arranged above the lift car; and a guide rail joint measuring device arranged above and below the car; wherein,
the PSD-based laser alignment measuring device comprises a laser transmitter arranged in a pit of an elevator and a PSD sensor fixedly connected to a stroke measuring device, wherein the PSD sensor is positioned right above the laser transmitter to receive signals from the laser transmitter;
the stroke measuring device moving up and down along with the lift car comprises a rolling bearing, the rolling bearing is completely contacted with the guide rail surface of the elevator, and the stroke measuring device also comprises a position recorder for recording the position;
the guide rail distance measuring device comprises two inductive sensors arranged at two ends of a beam at the top of the car;
the guide rail joint measuring device includes a plurality of proximity switches installed at the uppermost end of the car and a plurality of proximity switches installed at the lowermost end of the stroke measuring device.
2. The PSD-based elevator guide rail detection apparatus of claim 1, wherein:
the position recorder is an encoder with a fixed transmission ratio with the rolling bearing.
3. The PSD-based elevator guide rail detection apparatus of claim 1, wherein:
the laser alignment measuring device, the stroke measuring device, the guide rail distance measuring device and the guide rail joint measuring device based on the PSD are all connected to a signal adjusting circuit.
4. The PSD-based elevator guide rail detection apparatus of claim 3, wherein:
the signal adjusting circuit is connected to a data acquisition card, and the data acquisition card is connected to a notebook computer.
5. The PSD-based elevator guide rail detection apparatus of claim 4, wherein:
the data acquisition card and the notebook computer are positioned above the elevator car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520401599.XU CN204778121U (en) | 2015-06-11 | 2015-06-11 | Elevator guide rail detection device based on PSD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520401599.XU CN204778121U (en) | 2015-06-11 | 2015-06-11 | Elevator guide rail detection device based on PSD |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204778121U true CN204778121U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520401599.XU Expired - Fee Related CN204778121U (en) | 2015-06-11 | 2015-06-11 | Elevator guide rail detection device based on PSD |
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| CN (1) | CN204778121U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106829671A (en) * | 2017-03-02 | 2017-06-13 | 山东科技大学 | A kind of elevator safety detection means and detection method |
| CN107144260A (en) * | 2017-06-22 | 2017-09-08 | 乐山市特种设备监督检验所 | Cage guide gauge and perpendicularity automatic measuring instrument |
| CN107416627A (en) * | 2017-08-15 | 2017-12-01 | 广东省特种设备检测研究院珠海检测院 | A kind of elevator T type guide rail multi-parameter detecting system and method |
| CN107628138A (en) * | 2017-08-15 | 2018-01-26 | 广东省特种设备检测研究院珠海检测院 | A kind of climbing robot for detecting cage guide multi-parameter |
-
2015
- 2015-06-11 CN CN201520401599.XU patent/CN204778121U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106829671A (en) * | 2017-03-02 | 2017-06-13 | 山东科技大学 | A kind of elevator safety detection means and detection method |
| CN106829671B (en) * | 2017-03-02 | 2018-07-20 | 山东科技大学 | A kind of elevator safety detection device and detection method |
| CN107144260A (en) * | 2017-06-22 | 2017-09-08 | 乐山市特种设备监督检验所 | Cage guide gauge and perpendicularity automatic measuring instrument |
| CN107416627A (en) * | 2017-08-15 | 2017-12-01 | 广东省特种设备检测研究院珠海检测院 | A kind of elevator T type guide rail multi-parameter detecting system and method |
| CN107628138A (en) * | 2017-08-15 | 2018-01-26 | 广东省特种设备检测研究院珠海检测院 | A kind of climbing robot for detecting cage guide multi-parameter |
| CN107628138B (en) * | 2017-08-15 | 2024-03-29 | 广东省特种设备检测研究院珠海检测院 | Climbing robot for detecting multiple parameters of elevator guide rail |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 |