CN220170136U - Elevator landing door lock engagement size measuring device - Google Patents
Elevator landing door lock engagement size measuring device Download PDFInfo
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- CN220170136U CN220170136U CN202321693519.3U CN202321693519U CN220170136U CN 220170136 U CN220170136 U CN 220170136U CN 202321693519 U CN202321693519 U CN 202321693519U CN 220170136 U CN220170136 U CN 220170136U
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- door lock
- measuring
- clamping block
- elevator
- ruler
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- 238000005259 measurement Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model relates to the field of elevator inspection, in particular to an elevator landing door lock engagement size measuring device; the elevator door lock loop comprises a measuring scale, a vernier clamping block and a current transformer, wherein the vernier clamping block capable of moving along the measuring scale is arranged on the measuring scale, an MCU (micro control unit) is arranged on the vernier clamping block, and the current transformer is respectively connected with an elevator door lock loop and the MCU; the device utilizes devices such as a measuring ruler, an MCU, a current transformer and the like to mutually cooperate, can accurately measure the meshing depth of the door lock, reduces errors and improves the accuracy, and the measuring device has no damage and interference to a door lock circuit and improves the working efficiency; in addition, the gap between the elevator landing door and the upright post can be measured by using the inclined ruler section of the measuring ruler and the locating plate, so that a tool can measure various parameters, the burden of elevator maintenance personnel, inspection and detection personnel is reduced, and the working efficiency is further improved.
Description
Technical Field
The utility model relates to the field of elevator inspection, in particular to an elevator landing door lock engagement size measuring device.
Background
The elevator is a device which vertically moves between different floors in a hoistway, landing doors leading to floors of each floor are arranged on the wall of the hoistway, passengers enter and exit a car, when the elevator runs and the car is not at a flat landing position, the landing doors are in a closed state so as to prevent accidents, and meanwhile, in order to prevent the passengers in the car from manually opening the landing doors to be dangerous, elevator door locks are required to be arranged on the landing doors, and the landing doors are opened and allowed to be opened when the car reaches the flat landing position; at present, the number of the fatal accidents of personnel falling into the hoistway caused by elevator landing doors is increased, so that whether the landing door lock engagement depth reaches the standard is an important condition for judging whether the running state of a door system is good or not, and according to national standard regulations: the elevator car should be started when the locking element is engaged not less than 7mm, so that the measurement of the depth of engagement of the door lock is always an important item in inspection, while the gauge is an important inspection criterion for the requirement of an engagement depth of at least 7 mm.
The common measuring method in the prior art is that a tester generally judges whether a door lock is closed or not through the action sound of a contactor or the spark generated when a circuit is seen to contact, a tool is used for measuring the engagement size after the door lock is closed, one hand of the tester is used for carrying out measurement by the measuring tool, and the other hand is required to continuously move the door lock by a plate during measurement, so that the measuring error is large, the accuracy cannot be ensured, and meanwhile, the tester is tired and the working efficiency is low; in addition, when other parameters of the elevator need to be measured, such as: the distance between the elevator landing door and the upright post needs other measuring tools according to national standard: the clearance between the passenger elevator landing door and the upright post is not more than 6mm, and when measuring, the burden of detecting personnel can be increased by carrying various measuring tools.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a device for measuring the meshing size of a door lock of an elevator landing door, which aims to solve the problems in the background art.
The utility model comprises a measuring scale, a vernier clamping block and a current transformer, wherein the vernier clamping block capable of moving along the measuring scale is arranged on the measuring scale, the vernier clamping block is provided with an MCU, and the current transformer is respectively connected with an elevator door lock loop and the MCU; the measuring ruler is characterized in that an inclined ruler section is fixedly connected to the bottom of the measuring ruler, a locating plate is further arranged on one surface, away from the vernier clamping block, of the measuring ruler and the inclined ruler section, and one end of the locating plate is connected with the vernier clamping block.
Preferably, the locating plate is further provided with a magnetic attraction device on the surface far away from the locating plate, and the measuring device is fixed on the door plate through the magnetic attraction device.
Preferably, one end of the current transformer is connected with the MCU through a lead.
Preferably, the measuring ruler further comprises a connecting part, wherein the connecting part comprises a first connecting piece and a second connecting piece, the first connecting piece is arranged at the top of the measuring ruler, and the second connecting piece is arranged on the vernier clamping block and is connected with the vernier clamping block.
Preferably, the MCU is connected with the display screen.
Preferably, the current transformer is a pincerlike current transformer.
Compared with the prior art, the utility model has the following technical effects:
the device utilizes devices such as a measuring ruler, an MCU, a current transformer and the like to mutually cooperate, can accurately measure the meshing depth of the door lock, reduces errors and improves the accuracy, and the measuring device has no damage and interference to a door lock circuit and improves the working efficiency; in addition, the gap between the elevator landing door and the upright post can be measured by using the inclined ruler section of the measuring ruler and the locating plate, so that a tool can measure various parameters, the burden of elevator maintenance personnel, inspection and detection personnel is reduced, and the working efficiency is further improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
Reference numerals: 1. an inclined ruler section; 2. a positioning plate; 3. a cursor clamping block; 4. a measuring ruler; 5. a first connector; 6. a second connector; 7. a wire; 8. a current transformer; 9. and a magnetic attraction device.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
As shown in fig. 1, the elevator landing door lock engagement dimension measuring device comprises a measuring scale 4, a vernier clamping block 3 and a current transformer 8, wherein the vernier clamping block 3 capable of moving along the measuring scale 4 is arranged on the measuring scale 4, an MCU is arranged on the vernier clamping block 3, and the current transformer 8 is respectively connected with an elevator door lock loop and the MCU; the bottom of the measuring ruler 4 is fixedly connected with an inclined ruler section 1, wherein a locating plate 2 is further arranged on one surface, away from the vernier fixture block 3, of the measuring ruler 4 and the inclined ruler section 1, and one end of the locating plate 2 is connected with the vernier fixture block 3. In the embodiment, the MCU is a singlechip control unit, performs signal acquisition, data processing and display output, and can record the measurement result of each time; the current transformer 8 of the embodiment is preferably a pincerlike current transformer 8, the current transformer 8 uses a magnetic induction element with higher sensitivity, when the door lock circuit is in a state of being turned on or off instantly, when the door lock circuit is in a state of being turned on, the current (more than hundreds of milliamperes) is used for being turned on instantly, when the door lock circuit is in a state of being turned on, the change of the magnetic field intensity is generated on a wire 7 near the door lock (from none to existence or from existence to nonexistence), a pulse trigger signal is generated, and a signal of the door lock circuit on instant is provided for a collection; in this embodiment, the bottom of the measuring ruler 4 is fixedly connected with the locating plate 2, preferably in an adhesion manner.
The measuring ruler 4 is provided with a magnetic attraction device on one surface far away from the vernier fixture block 3, and the measuring device is fixed on the door plate through the magnetic attraction device. In the embodiment, the magnetic attraction device is a magnet and is used for being installed on a landing door plate.
One end of the current transformer 8 is connected with the MCU through a lead 7. The pincer-shaped end of the current transformer 8 of the embodiment is clamped on one wire 7 of the elevator door lock loop.
The measuring ruler further comprises a connecting part, the connecting part comprises a first connecting piece 5 and a second connecting piece 6, the first connecting piece 5 is arranged at the top of the measuring ruler 4, and the second connecting piece 6 is arranged on the vernier clamping block 3 and is connected with the vernier clamping block. In this embodiment, as shown in fig. 1, the first connecting piece 5 is abutted against a fixed hook lock, which is a fixed hook or a fixed piece in a landing door lock or a car door lock, and the second connecting piece 6 is connected with a movable hook lock, which can move up and down.
The display screen is connected with the MCU. The display screen in this embodiment is used to display the measured value of the engagement depth.
The working principle and the using flow of the utility model are as follows:
firstly, the fixed hook lock of the door lock is abutted against the first connecting piece 5, the whole device is fixed at a proper position on a landing door plate by using the magnetic attraction device, meanwhile, the vernier fixture block 3 is aligned with the measuring scale 4, the current transformer 8 is hung on the door lock loop after the connection is zeroed, at the moment, a measuring person manually and slowly closes the movable hook lock of the door lock, the movable hook lock simultaneously presses the second connecting piece 6 and drives the vernier fixture block 3 to move downwards along the measuring scale 4, when the door lock is closed, the door lock loop generates current, the current is identified by the current transformer 8, an identified signal is transmitted to the MCU on the vernier fixture block 3 through a connecting wire, the MCU records the displacement between the vernier fixture block 3 and the measuring scale 4 to be the engagement depth of the door lock, and locks the measured value, and even if the main lock hook continues to press the sliding block to move downwards, the value cannot change.
Example 2
This embodiment is substantially the same as embodiment 1, and is an improvement on embodiment 1. In the embodiment, the inclined rule section 1 is preferably a right triangle, and the other two angles of the right triangle are preferably 15 degrees and 75 degrees; when the gap between the elevator landing door and the upright post needs to be measured, firstly, the magnetic device on the measuring ruler 4 is removed, the vernier clamping block 3 is moved to be close to one end of the inclined ruler section 1 of the measuring ruler 4, the locating ruler is aligned with an acute angle of 15 degrees of the inclined ruler section 1, zero is adjusted, the measuring ruler 4 is placed at a position needing to be measured, secondly, the longest right-angle side of the inclined ruler section 1 is abutted against the landing door, the locating plate 2 is abutted against the upright post, then the measuring ruler 4 is pushed, the measuring ruler 4 drives the inclined ruler section 1 to move towards the gap between the elevator landing door and the upright post until the gap is not pushed, at the moment, the displacement distance of the longest right-angle side of the right-angle triangle is obtained, the MCU is utilized for calculating the angle and the side length, and the size of the shortest right-angle side is calculated, and the value is the gap between the elevator landing door and the upright post.
Claims (6)
1. The device is characterized by comprising a measuring ruler, a vernier clamping block and a current transformer, wherein the vernier clamping block capable of moving along the measuring ruler is arranged on the measuring ruler, an MCU (micro control unit) is arranged on the vernier clamping block, and the current transformer is respectively connected with an elevator door lock loop and the MCU;
the measuring ruler is characterized in that an inclined ruler section is fixedly connected to the bottom of the measuring ruler, a locating plate is further arranged on one surface, away from the vernier clamping block, of the measuring ruler and the inclined ruler section, and one end of the locating plate is connected with the vernier clamping block.
2. The device for measuring the meshing size of the elevator landing door lock according to claim 1, wherein the locating plate is further provided with a magnetic attraction device on the far side, and the measuring device is fixed on the door plate through the magnetic attraction device.
3. The device for measuring the engagement size of the elevator landing door lock according to claim 2, wherein one end of the current transformer is connected with the MCU through a wire.
4. The device for measuring the engagement dimension of the door lock of the elevator landing door according to claim 3, further comprising a connecting part, wherein the connecting part comprises a first connecting piece and a second connecting piece, the first connecting piece is arranged at the top of the measuring ruler,
the second connecting piece is arranged on the vernier clamping block and is connected with the vernier clamping block.
5. The elevator landing door lock engagement dimension measurement device of claim 4, further comprising a display screen, wherein the display screen is coupled to the MCU.
6. The elevator landing door lock engagement dimension measurement device of claim 5, wherein the current transformer is a pincer-shaped current transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321693519.3U CN220170136U (en) | 2023-06-30 | 2023-06-30 | Elevator landing door lock engagement size measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321693519.3U CN220170136U (en) | 2023-06-30 | 2023-06-30 | Elevator landing door lock engagement size measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220170136U true CN220170136U (en) | 2023-12-12 |
Family
ID=89057419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321693519.3U Active CN220170136U (en) | 2023-06-30 | 2023-06-30 | Elevator landing door lock engagement size measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220170136U (en) |
-
2023
- 2023-06-30 CN CN202321693519.3U patent/CN220170136U/en active Active
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