CN219869732U - Elevator guide rail perpendicularity detector - Google Patents
Elevator guide rail perpendicularity detector Download PDFInfo
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- CN219869732U CN219869732U CN202321211094.8U CN202321211094U CN219869732U CN 219869732 U CN219869732 U CN 219869732U CN 202321211094 U CN202321211094 U CN 202321211094U CN 219869732 U CN219869732 U CN 219869732U
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Abstract
The utility model discloses an elevator guide rail verticality detector, which relates to the technical field of special equipment detection and comprises a laser light source, a digital receiving target and a handheld terminal; the elevator guide rail verticality detector provided by the utility model is a combination of a laser plumb gauge and a digital receiving target, uses an advanced digital receiving target, adopts a diffraction-free ring grating digital receiving technology, can directly judge the center of a light spot through software, eliminates errors of human eye judgment, improves the accuracy and the detection speed of data detection, and meanwhile changes the direction to protect the safety of detection personnel; the utility model has the advantages of simple integral structure, simple operation, convenient use, high working efficiency and higher measurement precision.
Description
Technical Field
The utility model relates to the technical field of special equipment detection, in particular to an elevator guide rail verticality detector.
Background
Along with the rapid development of economy in China, the use of elevators is more and more widespread, the installation and maintenance of elevators are also more and more concerned, elevator guide rails are one of important components for guaranteeing the operation safety and comfort of elevators, wherein the verticality of the guide rails is an important performance index for ensuring the safe operation of the elevators, and the elevator guide rails have higher requirements on the verticality of the guide rails during installation, such as specified in the specification GBJ310-88 quality inspection and assessment Standard of elevator installation engineering: the requirement of the perpendicularity of the elevator guide rail is that the allowable deviation is 0.7mm every 5m, and the inspection method is defined as 'hanging wire and ruler amount inspection'.
The detection method of 'hanging wire and ruler quantity inspection' specified in the specification is a traditional detection method, the distance between the guide rail and the hanging wire is measured by utilizing the method of freely hanging the hanging wire and the hanging weight, the hanging weight is required to be completely stationary and then can be measured before measurement, the method of checking the perpendicularity of the guide rail of the elevator by the hanging wire and the ruler quantity consumes long time, and the working efficiency is low.
At present, a method for measuring the perpendicularity of a guide rail by matching a laser plumb aligner with a digital display target is also gradually popularized; for example, the application number is CN2007200860874, that is, the guide rail perpendicularity is measured by using the laser plumb-down gauge and the target in cooperation, but the detection personnel need observe the position of laser facula on the digital display target for a long time in the use, so that the detection personnel can harm eyes of personnel, can not observe for a long time and accurately judge the position in the facula, influences the measurement result of the guide rail perpendicularity to a certain extent, and makes the deviation appear. And because the diameter of the laser spot can be diffused along with the increase of the detection distance, the larger the laser spot is, the larger the spot formed by irradiating on the digital display target is, so that a detector cannot judge the center of the laser spot, the position of the center on the digital display target cannot be read, and the deviation of detection data is caused.
Disclosure of Invention
The utility model aims to provide an elevator guide rail verticality detector, which aims to solve the problems that the conventional elevator guide rail verticality detector provided in the background art is large in measurement error, low in working efficiency and easy to influence the health of workers due to the fact that manual vision detection is used for detecting.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the elevator guide rail verticality detector comprises a laser light source, a digital receiving target and a handheld terminal, wherein the digital receiving target is in wireless connection with the handheld terminal; the laser light source comprises a laser plumb aligner and a light source fixture fixedly connected to the side wall of the laser plumb aligner; the digital receiving target comprises a laser receiver and a target fixture fixedly connected to the side wall of the laser receiver.
Preferably, the laser plumb bob is model number of jie DZJ-100A.
Further, the laser receiver includes the vertical target barrel that the cylinder set up, the top of target barrel is provided with receiving window, embeds there is target battery, target circuit board, bluetooth module, the bottom of target barrel is provided with the target end cover, and be provided with target switch, target charging socket, target electric quantity pilot lamp, target aviation plug on the target end cover.
Preferably, the receiving window, the target battery, the bluetooth module, the target switch, the target charging socket, the target electric quantity indicator lamp and the target aviation plug are respectively and electrically connected with the target circuit board.
Preferably, the digital receiving target is connected with the handheld terminal through Bluetooth in a wireless mode through the Bluetooth module.
Preferably, the handheld terminal is internally provided with measurement software.
Further, the light source fixture comprises a vertical light source fixture frame made of channel steel, a threaded hole is formed in the center of one side wall of the light source fixture frame, a light source fixture hand wheel is installed in a matched mode, and a light source fixture compression block is installed at the tail end of a screw rod of the light source fixture hand wheel in a clamping mode between two side walls of the light source fixture frame; the structure of target fixture with the structure of light source fixture is the same including target fixture frame, target fixture hand wheel, target fixture compact heap.
Further, two roll shafts are arranged on the side wall of the target fixture frame, on which the target fixture hand wheel is not installed.
Compared with the prior art, the utility model has the beneficial effects that:
the elevator guide rail verticality detector provided by the utility model is a combination of a laser plumb gauge and a digital receiving target, uses an advanced digital receiving target, adopts a diffraction-free ring grating digital receiving technology, can directly judge the center of a light spot through software, eliminates errors of human eye judgment, improves the accuracy and the detection speed of data detection, and meanwhile changes the direction to protect the safety of detection personnel; the utility model has the advantages of simple integral structure, simple operation, convenient use, high working efficiency and higher measurement precision.
Drawings
FIG. 1 is a schematic diagram of the present utility model;
FIG. 2 is a schematic view of a laser source;
FIG. 3 is a schematic view of a light source fixture;
FIG. 4 is an isometric view of a digital receiving target;
FIG. 5 is a front view of a digital receiving target;
FIG. 6 is a cross-sectional view A-A of FIG. 5;
FIG. 7 is a bottom view of FIG. 5;
FIG. 8 is a schematic diagram of a measurement software interface;
in the figure: the laser light source-1, the laser plumber-11, the light source fixture-12, the light source fixture frame-121, the light source fixture hand wheel-122, the light source fixture compact heap-123, the digital receiving target-2, the laser receiver-21, the target barrel-211, the receiving window-212, the target battery-213, the target circuit board-214, the Bluetooth module-215, the target end cover-216, the target switch-217, the target charging socket-218, the target electric quantity indicator-219, the target aviation plug-210, the target fixture-22, the target fixture frame-221, the target fixture hand wheel-222, the target fixture compact heap-223, the roll shaft-224 and the handheld terminal-3.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-8, fig. 1 is a schematic diagram of the present utility model; FIG. 2 is a schematic view of a laser source; FIG. 3 is a schematic view of a light source fixture; FIG. 4 is an isometric view of a digital receiving target; FIG. 5 is a front view of a digital receiving target; FIG. 6 is a cross-sectional view A-A of FIG. 5; FIG. 7 is a bottom view of FIG. 5; FIG. 8 is a schematic diagram of a measurement software interface.
The utility model provides an elevator guide rail verticality detector which is used for detecting the verticality of an elevator guide rail; the digital receiving target comprises a laser light source 1, a digital receiving target 2 and a handheld terminal 3, wherein the digital receiving target 2 is in wireless connection with the handheld terminal 3.
The laser light source 1 comprises a laser plumb meter 11 which is used as a light source for emitting laser beams, and a light source clamp 12 is arranged on the side wall of the laser plumb meter 11 and used for installing the laser plumb meter 11 on an elevator guide rail.
The laser plumb gauge 11 is a product with the model of jie DZJ-100A.
The light source fixture 12 comprises a vertical light source fixture frame 121 made of channel steel, a threaded hole is formed in the center of one side wall of the light source fixture frame 121, a light source fixture hand wheel 122 is installed in a matched mode, a light source fixture compression block 123 is arranged between two side walls of the light source fixture frame 121 in a clamping mode at the tail end of a screw rod of the light source fixture hand wheel 122, and the light source fixture 12 can be fixed on an elevator guide rail through the other side wall of the light source fixture frame 121 and the light source fixture compression block 123.
The digital receiving target 2 comprises a laser receiver 21 and a target clamp 22, wherein the laser receiver 21 is used for receiving laser beams emitted by the laser plumber 11, and comprises a cylindrical vertical target cylinder 211 used for a main body shell of the laser receiver 21, a receiving window 212 is arranged at the top end of the target cylinder 211 and used for receiving the laser beams emitted by the laser plumber 11, and a target battery 213 used for a power supply of the laser receiver 21, a target circuit board 214 used for a core processor of the laser receiver 21 and a Bluetooth module 215 used for wireless communication are arranged in the target cylinder 211; the bottom of the target cylinder 211 is provided with a target end cover 216, and a target switch 217 for starting and stopping the digital receiving target 2, a target charging socket 218 for charging the target battery 213, a target power indicator 219 for displaying the residual power of the target battery 213 in real time, and a target navigation plug 210 for deriving the detection data of the digital receiving target 2 are arranged on the target end cover 216.
The receiving window 212, the target battery 213, the bluetooth module 215, the target switch 217, the target charging socket 218, the target power indicator 219, and the target navigation socket 210 are electrically connected to the target circuit board 214, respectively.
The receiving window 212 adopts a diffraction-free ring grating digital receiving technology, and can directly judge the light spot center through software, so that the accuracy and the detection speed of data detection are improved, the error of human eye interpretation is eliminated, and the safety of detection personnel is protected by direction change.
The digital receiving target 2 is connected with the handheld terminal 3 through Bluetooth by the Bluetooth module 215 in a wireless way.
The target fixture 22 comprises a target fixture frame 221 made of channel steel, a threaded hole is formed in the center of one side wall of the target fixture frame 221, a target fixture hand wheel 222 is installed in a matched mode, a target fixture compression block 223 is clamped between two side walls of the target fixture frame 221 at the tail end of a screw rod of the target fixture hand wheel 222, and the target fixture 22 can be fixed on an elevator guide rail through the other side wall of the target fixture frame 221 and the target fixture compression block 223; the side wall of the target fixture frame 221, on which the target fixture hand wheel 222 is not installed, is provided with two roll shafts 224, so that the target fixture 22 can be assisted to move along the axial direction of the elevator guide rail for use.
The handheld terminal is internally provided with measurement software for receiving detection data of the digital receiving target in real time, and after the detection data are processed, the perpendicularity error value of the elevator guide rail is rapidly obtained.
When in use, the detection steps of the perpendicularity of the elevator guide rail are as follows:
the first step, a laser light source is clamped at the upper end of a tested elevator guide rail, and at the moment, the guide rail surface of a clamping position is noted to be clean without dirt; the light source fixture 12 is abutted against both working surfaces of the guide rail, and then the fixture hand wheel a is screwed down, thereby firmly fastening the laser light source to the guide rail.
And secondly, opening a switch of the laser plumb aligner, and ensuring that the laser beam emitted by the laser plumb aligner is a complete circular light spot.
And thirdly, clamping the digital receiving target on an elevator guide rail which is 100 mm-200 mm away from the right lower side of the laser light source, so that the roller shaft is fully contacted with the guide rail surface, and the digital receiving target can freely slide on the elevator guide rail.
Fourth, the power switch of the digital receiving target is turned on.
And fifthly, opening the handheld terminal, clicking the measurement software icon to enter a main interface of the software, and preparing for detection operation.
Sixth, measuring interface setting:
a. detection site and detection personnel: before measurement, please set up the detection place and the detection personnel. After being set, the data is stored locally as a default value. The default value is automatically displayed when the machine is started next time.
b. The last position, the next position: past measurements may be viewed.
c. Static measurement: the digital receiving target automatically collects light spots for measurement, and arithmetic average is carried out on the multiple collection calculation results. So as to improve the measurement accuracy and reduce the measurement error caused by the light spot jitter. The more times that are collected, the closer the average value is to the true value. Therefore, it is required that neither the laser light source nor the digital receiving target be moved during the static measurement.
d. Dynamic measurement: the digital receiving target automatically collects light spots for measurement, but does not average the measurement results for multiple times, and is suitable for being applied to monitoring dynamic processes. Since no average calculation is performed, when the number is far from the target and the laser source, the measurement result also fluctuates due to spot jitter.
e. Reference value: the x, y coordinates as the reference position.
f. Monitoring value: as the x, y coordinates of the measured relative position.
g. Coordinate difference: difference between reference value and monitoring value is x, y respectively.
h. Distance difference: the projected distance of the datum point from the monitoring point.
i. Exposure increase, exposure decrease: the exposure of the laser receiving target can be adjusted. The contrast between the red light spot and the black background is improved so as to better collect images for recognition.
Seventh, starting measurement: the first position is measured as a reference value. Setting the car in an overhaul state, moving to the next measuring point according to lower uniform speed during overhaul, stopping the car, locking the digital receiving target on the measured point, and measuring. And measuring sequentially until the guide rail measurement is finished. The subsequent measurement positions are all monitoring values except the first position.
And eighth, after the measurement is finished, the distance difference is the perpendicularity of the elevator guide rail.
The elevator guide rail verticality detector provided by the utility model is a combination of a laser plumb gauge and a digital receiving target, uses an advanced digital receiving target, adopts a diffraction-free ring grating digital receiving technology, can directly judge the center of a light spot through software, eliminates errors of human eye judgment, improves the accuracy and the detection speed of data detection, and meanwhile changes the direction to protect the safety of detection personnel; the utility model has the advantages of simple integral structure, simple operation, convenient use, high working efficiency and higher measurement precision.
While embodiments of the utility model have been illustrated and described, it will be apparent that the embodiments described are merely some, but not all embodiments of the utility model. Based on the embodiments of the present utility model, it will be understood by those skilled in the art that all other embodiments which may be obtained from numerous changes, modifications, substitutions and alterations of these embodiments without departing from the spirit and principles of the present utility model are within the scope of the present utility model.
Claims (8)
1. An elevator guide rail straightness detector that hangs down, its characterized in that: the digital receiving target (2) is connected with the handheld terminal (3) in a wireless way; the laser light source (1) comprises a laser plumb aligner (11) and a light source fixture (12) fixedly connected to the side wall of the laser plumb aligner; the digital receiving target (2) comprises a laser receiver (21) and a target fixture (22) fixedly connected to the side wall of the laser receiver.
2. The elevator guide rail verticality detector according to claim 1, wherein: the model of the laser plumb aligner (11) is jie DZJ-100A.
3. The elevator guide rail verticality detector according to claim 2, wherein: the laser receiver (21) comprises a cylindrical vertical target cylinder (211), a receiving window (212) is formed in the top end of the target cylinder (211), a target battery (213), a target circuit board (214) and a Bluetooth module (215) are arranged in the top end of the target cylinder (211), a target end cover (216) is arranged at the bottom end of the target cylinder (211), and a target switch (217), a target charging socket (218), a target electric quantity indicator lamp (219) and a target aviation plug (210) are arranged on the target end cover (216).
4. The elevator guide rail verticality detector according to claim 3, wherein: the receiving window (212), the target battery (213), the Bluetooth module (215), the target switch (217), the target charging socket (218), the target electric quantity indicator lamp (219) and the target aviation plug (210) are respectively and electrically connected with the target circuit board (214).
5. The elevator guide rail verticality detector according to claim 4, wherein: the digital receiving target (2) is connected with the handheld terminal (3) through Bluetooth through the Bluetooth module (215) in a wireless mode.
6. The elevator guide rail verticality detector according to claim 5, wherein: the handheld terminal (3) is internally provided with measurement software.
7. The elevator guide rail verticality detector according to claim 6, wherein: the light source fixture (12) comprises a vertical light source fixture frame (121) made of channel steel, a threaded hole is formed in the center of one side wall of the light source fixture frame (121) and is provided with a light source fixture hand wheel (122) in a matching mode, and a light source fixture compression block (123) is arranged at the tail end of a screw rod of the light source fixture hand wheel (122) in a clamping mode between two side walls of the light source fixture frame (121); the structure of the target fixture (22) is the same as that of the light source fixture (12), and the target fixture comprises a target fixture frame (221), a target fixture hand wheel (222) and a target fixture compacting block (223).
8. The elevator guide rail verticality detector according to claim 7, wherein: two roll shafts (224) are arranged on the side wall of the target fixture frame (221) without the target fixture hand wheel (222).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321211094.8U CN219869732U (en) | 2023-05-19 | 2023-05-19 | Elevator guide rail perpendicularity detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321211094.8U CN219869732U (en) | 2023-05-19 | 2023-05-19 | Elevator guide rail perpendicularity detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219869732U true CN219869732U (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321211094.8U Active CN219869732U (en) | 2023-05-19 | 2023-05-19 | Elevator guide rail perpendicularity detector |
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| Country | Link |
|---|---|
| CN (1) | CN219869732U (en) |
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2023
- 2023-05-19 CN CN202321211094.8U patent/CN219869732U/en active Active
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