CN220502354U - Elevator traction sheave wear detection device - Google Patents
Elevator traction sheave wear detection device Download PDFInfo
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- CN220502354U CN220502354U CN202322363864.7U CN202322363864U CN220502354U CN 220502354 U CN220502354 U CN 220502354U CN 202322363864 U CN202322363864 U CN 202322363864U CN 220502354 U CN220502354 U CN 220502354U
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- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 238000009434 installation Methods 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000005299 abrasion Methods 0.000 claims abstract description 10
- 230000033001 locomotion Effects 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 12
- 229910000831 Steel Inorganic materials 0.000 description 3
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Abstract
The utility model relates to the technical field of elevator traction sheaves, in particular to an elevator traction sheave abrasion detection device which comprises a linear driving mechanism, a laser ranging mechanism and an installation box, wherein the linear driving mechanism is arranged on the installation box; the linear driving mechanism is arranged right below the traction sheave; the laser ranging mechanism is arranged above the linear driving mechanism, is driven by the linear driving mechanism to linearly move along the right lower part of the central axis of the traction sheave, and vertically emits laser upwards for detecting the abrasion condition of the traction sheave; the installation box is installed below the traction sheave, a controller and a transmission mechanism are installed in the installation box, the controller is electrically connected with the linear driving mechanism, the laser ranging mechanism and the transmission mechanism, and the transmission mechanism is in signal connection with an external terminal. In the utility model, secondary friction is not caused on the traction sheave by non-contact, motion detection and multi-point distance measurement are realized, and the deflection abrasion generated by the traction sheave can be accurately detected, so that the error or undetected condition is avoided.
Description
Technical Field
The utility model relates to the technical field of elevator traction sheaves, in particular to an elevator traction sheave abrasion detection device.
Background
The traction sheave is a rope sheave on a traction machine, also called a traction sheave or a driving sheave; the elevator traction power transmission device transmits power by using friction force between a traction steel wire rope and a rope groove on a traction rim. However, with the increase of the running time of the elevator and the situation of the running bias load, the traction sheave is worn, when the traction sheave is worn to a certain extent, the traction sheave needs to be replaced so as not to cause an elevator accident, and therefore the wear situation of the traction sheave needs to be detected.
Originally, the traction sheave wear detection is carried out by measuring manually by using a caliper, the detection result cannot be visually displayed by using the detection mode, the detection effect is poor, and then a series of elevator traction sheave wear detection devices are designed by people. The patent with publication number CN106395527B discloses a device for detecting the abrasion of the rope groove of the traction sheave by stopping, but the device is difficult to detect and operate, has low efficiency and is not suitable for popularization. Patent application publication No. CN114152532a discloses an elevator traction sheave wear detection device that can continuously and automatically detect, but in this solution the detection device causes secondary friction to the traction sheave and easily causes inaccurate measurement after the traction sheave is worn out in a skewed manner.
Based on this, it is highly desirable for those skilled in the art to provide a contactless elevator traction sheave wear detection device.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.
The elevator traction sheave wear detection device comprises a linear driving mechanism, a laser ranging mechanism and an installation box; the linear driving mechanism is arranged right below the traction sheave; the laser ranging mechanism is arranged above the linear driving mechanism, is driven by the linear driving mechanism to linearly move along the right lower part of the central axis of the traction sheave, and vertically emits laser upwards for detecting the abrasion condition of the traction sheave; the installation box is installed below the traction sheave, a controller and a transmission mechanism are installed in the installation box, the controller is electrically connected with the linear driving mechanism, the laser ranging mechanism and the transmission mechanism, and the transmission mechanism is in signal connection with an external terminal.
Further, the linear driving mechanism is an electric sliding table, the motion track of the sliding block on the electric sliding table is located right below the central axis of the traction wheel and parallel to the central axis of the traction wheel, and the laser ranging mechanism is installed on the sliding block.
Further, the installation box is embedded into an original installation base below the traction sheave, an upper connecting plate is fixed on the upper surface of the installation box, and the upper connecting plate is connected with the upper surface of the installation base through bolts.
Further, the installation box is installed on the upper surface of an original installation base below the traction sheave, a lower connecting plate is fixed on the lower surface of the installation box, and the lower connecting plate is connected with the upper surface of the installation base through bolts.
Further, the upper surface of the mounting box is provided with a mounting groove, and the electric sliding table is fixed in the mounting groove.
Further, the electric sliding table is fixed on the upper surface of the mounting box.
Further, an alarm is arranged on the upper surface of the mounting box, and the alarm is electrically connected with the controller.
Further, a display is arranged on the upper surface of the mounting box, and the display is electrically connected with the controller.
Further, the transmission mechanism is a WIFI module, a Bluetooth module or a 4G communication module.
Compared with the prior art, the utility model has the beneficial effects that:
the elevator traction sheave wear detection device of the utility model uses straight lines
The driving mechanism drives the laser ranging mechanism to perform linear motion, emits laser, performs dynamic non-contact abrasion detection on the traction sheave, does not cause secondary friction on the traction sheave, performs motion detection, performs multi-point ranging, and can accurately detect deflection abrasion generated by the traction sheave, so that errors are avoided or conditions which cannot be detected are avoided.
According to the elevator traction sheave wear detection device, the controller controls the linear driving mechanism to drive the laser ranging mechanism to do reciprocating linear motion, controls the laser ranging mechanism to conduct laser ranging, and sends measurement result data to an external terminal through the transmission mechanism, so that detection personnel can check the measurement result conveniently.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic view showing a state of use of an elevator traction sheave wear detection device in the first embodiment.
Fig. 2 is a partial schematic view of the use state of the elevator traction sheave wear detection apparatus in the first embodiment.
Fig. 3 is a partial structural side view showing the state of use of the elevator traction sheave wear detection apparatus in the first embodiment.
Fig. 4 is a schematic overall structure of an elevator traction sheave wear detection device in the first embodiment.
Fig. 5 is a schematic overall structure of an elevator traction sheave wear detection device in the second embodiment.
Fig. 6 is a partial schematic view of the use state of the elevator traction sheave wear detection apparatus in the third embodiment.
In the figure: 1. traction sheave; 2. a laser ranging mechanism; 3. a mounting box; 4. an electric sliding table; 401. a slide block; 5. an upper connecting plate; 6. a bolt; 7. a lower connecting plate; 8. a mounting groove; 9. an alarm; 10. a display; 11. a frame; 12. a base; 13. a wire rope; 14. wheel grooves; 15. and (5) through grooves.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
as shown in fig. 1, in this embodiment, a coupling and a reduction gearbox are installed on one side of a traction sheave 1, a frame 11 is installed on the other side, the coupling, the reduction gearbox and the frame 11 are all installed on a base 12 through bolts, a plurality of groups of sheave grooves 14 are arranged on the traction sheave 1, steel wires 13 are inserted in the sheave grooves 14 in a sliding manner, and a through groove 15 for the steel wires 13 to pass through is formed below the base 12 and located below the traction sheave 1.
The elevator sheave wear detection device in this embodiment includes a linear driving mechanism, a laser distance measuring mechanism 2, and a mounting case 3 as shown in fig. 2, 3, and 4. Wherein the linear driving mechanism is arranged right below the traction sheave 1. The laser ranging mechanism 2 is arranged above the linear driving mechanism, the laser ranging mechanism 2 is driven by the linear driving mechanism to reciprocate along the lower part of the central axis of the traction sheave 1, and the laser ranging mechanism 2 vertically emits laser upwards for detecting the abrasion condition of the traction sheave 1. The mounting box 3 is arranged below the traction sheave 1 and is connected with the base 12, a controller and a transmission mechanism are further arranged in the mounting box 3, the controller is electrically connected with the linear driving mechanism, the laser ranging mechanism 2 and the transmission mechanism, and the transmission mechanism is in signal connection with an external terminal.
According to the elevator traction sheave wear detection device, the laser ranging mechanism 2 is driven to conduct linear motion through the linear driving mechanism, laser is emitted, dynamic non-contact wear detection is conducted on the traction sheave 1, secondary friction is not caused on the traction sheave 1 due to non-contact, motion detection and multi-point ranging are conducted, deflection wear generated by the traction sheave 1 can be accurately detected, and errors or undetectable conditions are avoided. The controller controls the linear driving mechanism to drive the laser ranging mechanism 2 to do reciprocating linear motion, controls the laser ranging mechanism 2 to conduct laser ranging, and sends measurement result data to an external terminal through the transmission mechanism, so that detection personnel can check the measurement result conveniently.
Specifically, in this embodiment, the linear driving mechanism is an electric sliding table 4, the movement track of the sliding block 401 on the electric sliding table 4 is located right below the central axis of the traction wheel 1 and is parallel to the central axis of the traction wheel 1, and the laser ranging mechanism 2 is installed on the sliding block 401, so that the laser emitted by the laser ranging mechanism 2 always faces the central axis of the traction wheel 1. Specifically, the laser ranging mechanism 2 is a laser ranging sensor, and the transmission mechanism is one of a WIFI module, a bluetooth module or a 4G communication module.
In the embodiment, the installation box 3 is embedded into the original installation base 12 below the traction sheave 1, the upper surface of the installation box 3 is fixedly provided with an upper connection plate 5, and the upper connection plate 5 is connected with the upper surface of the installation base 12 through a bolt 6. The mounting box 3 upper surface is equipped with mounting groove 8, and electronic slip table 4 fixed mounting is in mounting groove 8, installs alarm 9 and display 10 on the mounting box 3 upper surface, and alarm 9 and display 10 all are connected with the controller electricity.
In the second embodiment, as shown in fig. 5, the installation box 3 is embedded into the original installation base 12 below the traction sheave 1, the upper surface of the installation box 3 is fixed with the upper connection plate 5, and the upper connection plate 5 is connected with the upper surface of the installation base 12 through the bolts 6. The electric sliding table 4 is fixed on the upper surface of the mounting box 3, the alarm 9 and the display 10 are mounted on the upper surface of the mounting box 3, and the alarm 9 and the display 10 are electrically connected with the controller.
In the third embodiment, as shown in fig. 6, the installation box 3 is installed on the upper surface of the original installation base 12 below the traction sheave 1, the lower surface of the installation box 3 is fixed with the lower connection plate 7, and the lower connection plate 7 is connected with the upper surface of the installation base 12 through the bolts 6. The mounting box 3 upper surface is equipped with mounting groove 8, and electronic slip table 4 fixed mounting is in mounting groove 8, installs alarm 9 on the mounting box 3 upper surface, and the side that mounting box 3 is close to frame 11 inlays and is equipped with display 10, and alarm 9 and display 10 all are connected with the controller electricity.
Through setting up alarm 9, when laser rangefinder sensor measuring result exceeded the default, the controller control alarm 9 reported to the police, played effectual warning effect. By arranging the display 10, the measurement result can be displayed on the display 10 in real time, and visual inspection can be performed on site conveniently when the traction sheave 1 is subjected to wear detection work.
The working principle of the elevator traction sheave wear detection device in the embodiment is as follows:
in the initial state, the sliding block 401 and the laser ranging sensor are located at one end of the electric sliding table 4 close to the motor, the position is set as the position origin, a plurality of measuring points corresponding to the wheel grooves 14 of the traction sheave 1 are arranged in the travel range of the sliding block 401, at least three measuring points are arranged in the middle of each wheel groove 14 and on two sides of the middle, and the measuring points are numbered. During measurement, the controller controls the motor of the electric sliding table 4 to start to drive the sliding block 401 and the laser ranging sensor to linearly reciprocate, and when the laser ranging sensor moves to a measurement point, the controller controls the laser ranging sensor to emit laser to measure the distance from the laser ranging sensor to the corresponding position of the wheel groove 14 of the traction wheel 1. When the new traction sheave 1 is installed, before the new traction sheave 1 is put into use, firstly, the new traction sheave 1 is measured once to obtain an initial value, the upper limit value of a corresponding measuring point is set according to the initial value, and when the actual measurement value exceeds the upper limit value in the actual test, the traction sheave 1 is seriously worn and needs to be replaced. And resetting the laser ranging sensor to an initial position after each measurement is finished, and if the laser ranging sensor is found not to be at the initial position before the measurement, resetting and then measuring.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. An elevator traction sheave wear detection device, characterized by comprising:
the linear driving mechanism is arranged right below the traction sheave (1);
the laser ranging mechanism (2) is arranged above the linear driving mechanism, is driven by the linear driving mechanism to linearly move along the position right below the central axis of the traction sheave (1), and vertically emits laser upwards for detecting the abrasion condition of the traction sheave (1); and
the traction sheave comprises a mounting box (3), wherein the mounting box (3) is arranged below the traction sheave (1), a controller and a transmission mechanism are arranged in the mounting box (3), the controller is electrically connected with the linear driving mechanism, the laser ranging mechanism (2) and the transmission mechanism, and the transmission mechanism is in signal connection with an external terminal.
2. The elevator traction sheave wear detection device according to claim 1, wherein the linear driving mechanism is an electric sliding table (4), a movement track of a sliding block (401) on the electric sliding table (4) is located right below a central axis of the traction sheave (1) and is parallel to the central axis of the traction sheave (1), and the laser ranging mechanism (2) is mounted on the sliding block (401).
3. The elevator traction sheave wear detection device according to claim 2, characterized in that the installation box (3) is embedded into an original installation base (12) below the traction sheave (1), an upper connection plate (5) is fixed on the upper surface of the installation box (3), and the upper connection plate (5) is connected with the upper surface of the installation base (12) through a bolt (6).
4. The elevator traction sheave wear detection device according to claim 2, wherein the installation box (3) is installed on the upper surface of an original installation base (12) below the traction sheave (1), a lower connection plate (7) is fixed on the lower surface of the installation box (3), and the lower connection plate (7) is connected with the upper surface of the installation base (12) through a bolt (6).
5. The elevator traction sheave wear detection device according to claim 3 or 4, characterized in that the upper surface of the installation box (3) is provided with an installation groove (8), and the electric sliding table (4) is fixed in the installation groove (8).
6. The elevator traction sheave wear detection apparatus according to claim 3 or 4, characterized in that the electric slip table (4) is fixed to the upper surface of the mounting box (3).
7. The elevator traction sheave wear detection apparatus according to claim 3 or 4, characterized in that an alarm (9) is provided on the upper surface of the installation box (3), the alarm (9) being electrically connected with the controller.
8. The elevator traction sheave wear detection apparatus according to claim 2, characterized in that a display (10) is provided on an upper surface of the mounting box (3), the display (10) being electrically connected to the controller.
9. The elevator traction sheave wear detection device of claim 1, wherein the transmission mechanism is a WIFI module, a bluetooth module, or a 4G communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322363864.7U CN220502354U (en) | 2023-08-31 | 2023-08-31 | Elevator traction sheave wear detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322363864.7U CN220502354U (en) | 2023-08-31 | 2023-08-31 | Elevator traction sheave wear detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220502354U true CN220502354U (en) | 2024-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322363864.7U Active CN220502354U (en) | 2023-08-31 | 2023-08-31 | Elevator traction sheave wear detection device |
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| Country | Link |
|---|---|
| CN (1) | CN220502354U (en) |
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2023
- 2023-08-31 CN CN202322363864.7U patent/CN220502354U/en active Active
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