CN114368655A - Traction sheave detection device - Google Patents
Traction sheave detection device Download PDFInfo
- Publication number
- CN114368655A CN114368655A CN202210027070.0A CN202210027070A CN114368655A CN 114368655 A CN114368655 A CN 114368655A CN 202210027070 A CN202210027070 A CN 202210027070A CN 114368655 A CN114368655 A CN 114368655A
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- China
- Prior art keywords
- traction sheave
- wireless module
- communication connection
- rotary encoder
- processor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/002—Indicators
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention discloses a traction sheave detection device, which comprises a plurality of measurement structures, a position acquisition structure and a data processing device, wherein the measurement structures are arranged on the traction sheave; the plurality of measuring structures and the position acquisition structure are respectively in communication connection with the data processing device; the device simple structure, detection precision are high, mainly utilize the amesdial to measure the race surface wearing and tearing condition, utilize rotary encoder real-time positioning, carry out data processing through the treater, can accurately find the wearing and tearing position, can also measure the circle of race and beat, prevent that the driving sheave from appearing out of roundness because of wearing and tearing and exceeding standard, cause the elevator operation to rock and the emergence of accident.
Description
Technical Field
The invention relates to the field of traction sheave detection, in particular to a traction sheave detection device.
Background
At present, most of vertical elevators in China are suspended by steel wire ropes, the elevators are driven to run up and down by friction force of the steel wire ropes and traction sheaves, the driving mode can cause abrasion of the traction sheaves, meanwhile, the installation precision of the traction sheaves directly influences the abrasion speed of the traction sheaves, the traction sheaves need to be replaced after being abraded to a certain degree, and the device can measure the installation precision and the abrasion degree of the traction sheaves.
Disclosure of Invention
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a traction sheave detection device comprises a plurality of measuring structures, a position acquisition structure and a data processing device; the plurality of measuring structures and the position acquisition structure are respectively in communication connection with the data processing device;
the measuring device comprises a dial indicator and a first magnetic suction fixing device; the dial indicator is fixedly connected with the first magnetic suction fixing device;
the position acquisition structure comprises a rotary encoder and a second magnetic suction fixing device; the rotary encoder is fixedly connected with the second magnetic suction fixing device;
the data processing device comprises a processor and a touch screen display; the processor is respectively in communication connection with the dial indicators, the touch screen display and the rotary encoder;
preferably, the data processing device further comprises a wireless module; the wireless module is in communication connection with the processor; the measuring device comprises a first wireless module; the position acquisition structure comprises a second wireless module; the wireless module is in communication connection with the processor; the first wireless module and the second wireless module are in wireless communication connection with the wireless module respectively; the first wireless module is in communication connection with the dial indicators; the second wireless module is in communication with the rotary encoder 21.
Preferably, the first magnetic attraction fixing device is a universal magnetic gauge stand. The second magnetic fixing device is a lever magnetic gauge stand.
Preferably, the dial indicator is an electronic dial indicator.
A use method of a traction sheave detection device comprises the following steps:
1) the gauge needles of a plurality of dial gauges are vertically contacted with different positions of different wheel grooves of a traction wheel at the same time, and the gauge needles are adsorbed on a part of an elevator traction device which does not rotate by using a first magnetic adsorption fixing device; contacting an encoder wheel of a rotary encoder with an outer ring of a traction sheave;
2) the processor converts the collected radial run-out data into Y-axis position information of a rectangular coordinate system and displays the Y-axis position information on the touch screen display, and observes the X-axis position information and the Y-axis position information;
3) judging whether the traction sheave needs to be replaced or not according to the position information of the X axis and the position information of the axis; if the difference between the wear sag distances of the two rope grooves is greater than 1/10 of the rope diameter, the traction sheave needs to be replaced.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
the device simple structure, detection precision are high, mainly utilize the amesdial to measure the race surface wearing and tearing condition, utilize rotary encoder real-time positioning, carry out data processing through the treater, can accurately find the wearing and tearing position, can also measure the circle of race and beat, prevent that the driving sheave from appearing out of roundness because of wearing and tearing and exceeding standard, cause the elevator operation to rock and the emergence of accident.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of a traction sheave detecting apparatus according to the present invention;
fig. 2 is a schematic connection diagram of a traction sheave detecting apparatus according to the present invention;
fig. 3 is a schematic view illustrating a use state of a traction sheave detecting apparatus according to the present invention;
description of the main elements
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The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1 to 3, a traction sheave detecting apparatus includes a plurality of measuring structures 1, a position collecting structure 2, and a data processing apparatus 3; the plurality of measuring structures 1 and the position acquisition structure 2 are respectively in communication connection with the data processing device 3;
the measuring device 1 comprises a dial indicator 11 and a first magnetic suction fixing device 12; the dial indicator 11 is fixedly connected with the first magnetic suction fixing device 12;
the position acquisition structure 2 comprises a rotary encoder 21 and a second magnetic attraction fixing device 22; the rotary encoder 21 is fixedly connected with the second magnetic suction fixing device 22;
the data processing device 3 comprises a processor 31 and a touch screen display 32; the processor 31 is respectively in communication connection with the dial indicators 11, the touch screen display 32 and the rotary encoder 21;
in this embodiment, the data processing apparatus 3 further includes a wireless module 33; the wireless module 33 is in communication connection with the processor 31; the measuring device 1 comprises a first wireless module 10; the position acquisition structure 2 comprises a second wireless module 20; the wireless module 33 is in communication connection with the processor 31; the first wireless module 10 and the second wireless module 20 are respectively connected with the wireless module 33 in a wireless communication way; the first wireless module 10 is in communication connection with a plurality of dial indicators 11; the second wireless module 20 is communicatively connected to the rotary encoder 21.
In this embodiment, the first magnetic fixing device 12 is a universal magnetic meter base. The second magnetic fixing device 22 is a lever magnetic gauge stand.
In this embodiment, the dial indicator is an electronic dial indicator.
When the elevator traction device is used, a gauge needle of the dial indicator 11 is vertically contacted with the wheel groove 41 of the traction wheel 4, and the first magnetic suction fixing device 12 is adsorbed on a part of the elevator traction device which does not rotate; contacting an encoder wheel of the rotary encoder 21 with an outer ring of the traction sheave 4 to rotate the encoder wheel following the rotation of the traction sheave 4; the second magnetic attraction fixing device 22 is arranged on a part of the elevator traction device which does not rotate; when the traction sheave 4 rotates, because the gauge needle of the dial indicator 11 is contacted with the inside of the sheave groove 41 of the traction sheave, the gauge needle of the dial indicator 11 can jump radially along with different abrasion degrees of different positions in the sheave groove, and meanwhile, the rotary encoder 21 rotates along with the rotation of the traction sheave 4; the first wireless module 10 transmits the radial run-out data measured by the dial indicator 11 to the wireless module 33, and then the wireless module 33 transmits the radial run-out data to the processor 31 for processing; meanwhile, the rotary encoder 21 continuously transmits the rotation speed data of the traction sheave 4 to the wireless module 33 through the second wireless module 20, and then the wireless module 33 transmits the rotation speed data of the traction sheave 4 to the processor 31 for processing; the processor 31 converts the rotational speed data of the traction sheave 4 transmitted from the rotary encoder into X-axis position information in a rectangular coordinate system and displays the X-axis position information on the touch screen display 32, and the processor 31 converts the acquired radial run-out data into a Y-axis curve in a rectangular coordinate system and displays the Y-axis curve on the touch screen display 32.
Therefore, the specific jumping condition of the traction sheave 4 at a specific position can be visually seen through the coordinates in the rectangular coordinate system displayed on the touch screen display 32, and the abrasion condition of the accurate position of the traction sheave 4 is further judged.
The device mainly utilizes the amesdial to measure race 41 surface wear condition, utilizes rotary encoder to fix a position in real time, carries out data processing through treater 31, can accurately find the position of wearing and tearing, can also measure the circle of race 41 and beat, prevents that traction sheave 4 from appearing out of roundness and exceeding standard because of wearing and tearing, causes the elevator operation to rock and the emergence of accident.
Referring to fig. 3, meanwhile, since the traction sheave detection device includes the plurality of measurement structures 1, the plurality of dial indicators 11 can be used for measuring different positions of the same sheave groove 41 of the same traction sheave, so that the detection accuracy can be improved; or several dial indicators 11 can be used to measure different positions of different wheel grooves 41 of the same traction sheave; when the two rope grooves are worn and have inconsistent subsidence and the difference is more than 1/10 of the diameter of the steel wire rope, the traction sheave needs to be replaced.
The invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications or improvements may be made thereto based on the invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.
Claims (7)
1. A traction sheave detection device is characterized in that: the traction sheave detection device comprises a plurality of measuring structures, a position acquisition structure and a data processing device; the plurality of measuring structures and the position acquisition structure are respectively in communication connection with the data processing device;
the measuring device comprises a dial indicator and a first magnetic suction fixing device; the dial indicator is fixedly connected with the first magnetic suction fixing device;
the position acquisition structure comprises a rotary encoder and a second magnetic suction fixing device; the rotary encoder is fixedly connected with the second magnetic suction fixing device;
the data processing device comprises a processor and a touch screen display; the processor is respectively in communication connection with the dial indicators, the touch screen display and the rotary encoder.
2. The traction sheave detecting device according to claim 1, wherein: the processor is in communication connection with the dial indicator, the touch screen display and the rotary encoder through data lines respectively.
3. The traction sheave detecting device according to claim 1, wherein: the data processing device also comprises a wireless module; the wireless module is in communication connection with the processor; the measuring device comprises a first wireless module; the position acquisition structure comprises a second wireless module; the wireless module is in communication connection with the processor; the first wireless module and the second wireless module are in wireless communication connection with the wireless module respectively; the first wireless module is in communication connection with the dial indicator; the second wireless module is in communication connection with the rotary encoder.
4. A traction sheave detecting device as claimed in any one of claims 1 to 3, wherein: the first magnetic attraction fixing device is a universal magnetic gauge stand.
5. The traction sheave detecting device according to claim 4, wherein: the second magnetic fixing device is a lever magnetic gauge stand.
6. The traction sheave detecting device according to claim 5, wherein: the dial indicator is an electronic dial indicator.
7. The use method of a traction sheave detecting apparatus according to claim 6, wherein: the method comprises the following steps:
1) the gauge needles of a plurality of dial gauges are vertically contacted with different positions of different wheel grooves of a traction wheel at the same time, and the gauge needles are adsorbed on a part of an elevator traction device which does not rotate by using a first magnetic adsorption fixing device; contacting an encoder wheel of a rotary encoder with an outer ring of a traction sheave;
2) the processor converts the collected radial run-out data into Y-axis position information of a rectangular coordinate system and displays the Y-axis position information on the touch screen display, and observes the X-axis position information and the Y-axis position information;
3) judging whether the traction sheave needs to be replaced or not according to the position information of the X axis and the position information of the Y axis; if the difference between the wear sag distances of the two rope grooves is greater than 1/10 of the rope diameter, the traction sheave needs to be replaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210027070.0A CN114368655A (en) | 2022-01-11 | 2022-01-11 | Traction sheave detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210027070.0A CN114368655A (en) | 2022-01-11 | 2022-01-11 | Traction sheave detection device |
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| Publication Number | Publication Date |
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| CN114368655A true CN114368655A (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210027070.0A Pending CN114368655A (en) | 2022-01-11 | 2022-01-11 | Traction sheave detection device |
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| CN (1) | CN114368655A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11718501B2 (en) | 2020-04-06 | 2023-08-08 | Otis Elevator Company | Elevator sheave wear detection |
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2022
- 2022-01-11 CN CN202210027070.0A patent/CN114368655A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11718501B2 (en) | 2020-04-06 | 2023-08-08 | Otis Elevator Company | Elevator sheave wear detection |
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