CN211687856U - Elevator traction sheave wire rope slippage detection device - Google Patents
Elevator traction sheave wire rope slippage detection device Download PDFInfo
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- CN211687856U CN211687856U CN202020126985.3U CN202020126985U CN211687856U CN 211687856 U CN211687856 U CN 211687856U CN 202020126985 U CN202020126985 U CN 202020126985U CN 211687856 U CN211687856 U CN 211687856U
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- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 11
- 238000005259 measurement Methods 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
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Abstract
Elevator driving sheave wire rope slippage detection device belongs to elevator technical field the device includes host computer, handheld information display terminal, first tachometer wheel, second tachometer wheel, bluetooth printer, the host computer passes through the cable with first tachometer wheel, second tachometer wheel and links to each other, and the host computer passes through bluetooth wireless connection with handheld information display terminal, and handheld information display terminal passes through bluetooth wireless connection with the bluetooth printer, first tachometer wheel and elevator wire rope linear contact, second tachometer wheel and elevator driving sheave linear contact, be equipped with circuit board, lithium cell in the host computer, the lithium cell links to each other with the circuit board, host computer one side is equipped with bluetooth antenna, switch, charging socket. The method is used for detecting the slippage of the elevator traction steel wire rope on the traction sheave in the sudden emergency braking process of the elevator operation and the maximum operation speed of the elevator car and the steel wire rope in the elevator operation process.
Description
Technical Field
The utility model belongs to the technical field of the elevator, concretely relates to elevator driving sheave wire rope slippage detection device.
Background
According to the requirements of GB7588-2003 Elevator manufacturing and installation safety regulations, the traction sheave and the steel wire rope can not slip under the most severe conditions of the three traction forces of the elevator. When the steel wire rope wound on the elevator traction wheel passes through the traction wheel, the steel wire ropes on the two sides of the traction wheel can cause elastic expansion due to the tension difference, so that the steel wire ropes can slightly slide on the traction wheel. In addition, because of the influence of external factors such as inevitable errors in the manufacturing and installation processes, the oil content of the steel wire rope and the like, the steel wire rope and the traction sheave can actually slide relatively in the running process of the elevator. The occurrence of these slips places demands on the control accuracy of the elevator.
In the running process of the elevator, the slippage of the traction sheave and the steel wire rope is a foundation of the control precision of the elevator, and the slippage of the steel wire rope on the traction sheave is one of important characteristic quantities of the fault of an elevator traction system, so that the measurement of the slippage is of great significance, and the measurement of the slippage of the steel wire rope by the measuring method is necessary.
Disclosure of Invention
In order to solve the technical problem, the utility model provides an elevator driving sheave wire rope slippage detection device for detect the elevator operation and promptly stop the in-process suddenly, the slippage that elevator driving wire rope produced on the driving sheave, and the elevator operation in-process, elevator car and wire rope's maximum operating speed.
The utility model adopts the following technical scheme:
the device comprises a host, a handheld information display terminal, a first speed measuring wheel, a second speed measuring wheel and a Bluetooth printer, wherein the host is connected with the first speed measuring wheel and the second speed measuring wheel through cables, the host is wirelessly connected with the handheld information display terminal through Bluetooth, the handheld information display terminal is wirelessly connected with the Bluetooth printer through Bluetooth, the first speed measuring wheel is in linear contact with an elevator steel wire rope and reads the motion state of the elevator steel wire rope, the second speed measuring wheel is in linear contact with the elevator traction wheel and reads the running state of the elevator traction wheel, a circuit board and a lithium battery are arranged in the host, the lithium battery is connected with the circuit board, and a Bluetooth antenna, a power switch and a charging socket are arranged on one side of the host.
Furthermore, the circuit of the detection device comprises a processor, a digital-to-analog conversion unit, a first speed measurement sensor, a second speed measurement sensor, a Bluetooth wireless module and a power supply, wherein the processor is connected with the digital-to-analog conversion unit and the Bluetooth wireless module, and the digital-to-analog conversion unit is connected with the first speed measurement sensor and the second speed measurement sensor.
Further, bluetooth antenna, switch, the socket that charges are fixed to the host computer shell right side through threaded fastener and are arranged in proper order.
Further, the following steps: and the first speed measuring wheel and the second speed measuring wheel are fixedly connected with the elevator tractor channel steel bracket through a universal magnetic universal base or a fixing clamp.
Further, the processor is an STM32F103, and the digital-to-analog conversion unit is 24-bit a/D conversion: the AD7190 Bluetooth wireless module is HC-05-06-08-02, and the first speed measuring sensor and the second speed measuring sensor are E6B2-CWZ 6C.
The utility model has the advantages that:
the utility model provides an elevator driving sheave wire rope slippage detection device, through the displacement data to first tachometer wheel and second tachometer wheel collection elevator wire rope and elevator driving sheave, do the difference with elevator wire rope's operating distance and elevator driving sheave's operating distance and obtain the slippage between wire rope and the driving sheave, under having avoided the prior art environment, the measuring personnel directly use the ruler to detect the precision that slippage exists not high, the difficult problem of inefficiency, not only practiced thrift the time cost, improvement that simultaneously can be great detects the precision. Meanwhile, the detection data can be transmitted to the handheld display terminal in a wireless Bluetooth mode, and the handheld display terminal can check and print the detection data through the general document display software, so that the operation risk of the actual site of a detector is reduced.
Drawings
FIG. 1 is a schematic structural view of a device for detecting slippage of a steel wire rope of an elevator traction sheave;
fig. 2 is a diagram of the structure of the data processing system of the present invention.
The components in the figure: 1. the main machine 2, the handheld information display terminal 3, the first speed measuring wheel 4, the second speed measuring wheel 5, the traction wheel 6, the steel wire rope 7, the Bluetooth antenna 8, the charging socket 9, the power switch 10, the circuit board 11 and the lithium battery 12 are used for a Bluetooth printer.
Detailed Description
The present invention will be further explained with reference to the drawings and the embodiments.
The utility model provides a be used for elevator driving sheave wire rope slippage detection device, this equipment contains host computer 1, handheld information display terminal 2, first tachometer wheel 3, second tachometer wheel 4, bluetooth printer 12. Host computer 1 passes through the cable with first tachometer wheel 3, second tachometer wheel 4 and is connected, and host computer 1 passes through bluetooth wireless connection with handheld information display terminal 2, and handheld information display terminal 2 passes through bluetooth wireless connection with bluetooth printer 12. The first velocity measuring pulley 3 is in linear contact with the elevator wire rope 6 and reads the motion state of the elevator wire rope 6, and the second velocity measuring pulley 4 is in linear contact with the elevator traction sheave 5 and reads the operation state of the elevator traction sheave 5. First tachometer wheel 3 contains general magnetism universal base (or fixed fixture) with second tachometer wheel 4, can adsorb on the elevator hauler channel-section steel support, plays fixed effect. The handheld information display terminal 2 can display the measurement record. The host 1 comprises a circuit board 10 and a lithium battery 11, and the lithium battery supplies power to the circuit board through a lead. Bluetooth antenna 7, switch 9, the socket 8 that charges are fixed to the host computer shell right side through threaded fastener and are arranged in proper order. The displacement data collected by the first speed measuring wheel 3 and the second speed measuring wheel 4 are differentiated with time to obtain speed and acceleration data, when the elevator operates normally, the operating speeds of the elevator traction wheel 5 and the steel wire rope 6 are constant and synchronous, when the elevator is in emergency braking, the elevator brake directly acts on the elevator traction wheel 5 to directly stop the elevator traction wheel 5, relative slippage can be generated between the steel wire rope 6 and the elevator traction wheel 5, and the stopping action time of the steel wire rope 6 is delayed by a period of time than that of the traction wheel 5. The slippage of wire rope, the time of sliding, wire rope functioning speed, the functioning speed of driving sheave pass through wireless bluetooth's transmission mode with data transmission for handheld information display terminal 2 on, handheld information display terminal 2 passes through wireless bluetooth's transmission mode and gives bluetooth printer 12 with data transmission, and bluetooth printer 12 prints data.
Example 1
The utility model provides a be used for elevator driving sheave wire rope slippage detection device, this equipment contains host computer 1, handheld information display terminal 2, first tachometer wheel 3, second tachometer wheel 4, bluetooth printer 12. Host computer 1 passes through the cable with first tachometer wheel 3, second tachometer wheel 4 and is connected, and host computer 1 passes through bluetooth wireless connection with handheld information display terminal 2, and handheld information display terminal 2 passes through bluetooth wireless connection with bluetooth printer 12. The first velocity measuring pulley 3 is in linear contact with the elevator wire rope 6 and reads the motion state of the elevator wire rope 6, and the second velocity measuring pulley 4 is in linear contact with the elevator traction sheave 5 and reads the operation state of the elevator traction sheave 5. First tachometer wheel 3 contains general magnetism universal base (or fixed fixture) with second tachometer wheel 4, can adsorb on the elevator hauler channel-section steel support, plays fixed effect. The handheld information display terminal 2 can display the measurement record. The host 1 comprises a circuit board 10 and a lithium battery 11, and the lithium battery supplies power to the circuit board through a lead. Bluetooth antenna 7, switch 9, the socket 8 that charges are arranged in proper order to the host computer shell right side through threaded fastener is fixed to and is connected with the circuit board through the wire. The displacement data collected by the first speed measuring wheel 3 and the second speed measuring wheel 4 are subjected to derivative with time to obtain speed and acceleration data. When the elevator is in normal operation, the running speeds of the elevator traction sheave 5 and the steel wire rope 6 are constant and synchronous, and when the elevator is in emergency stop, the elevator brake directly acts on the elevator traction sheave 5 to directly stop the elevator traction sheave 5, and relative slippage occurs between the steel wire rope 6 and the elevator traction sheave 5, and the stopping action time of the steel wire rope 6 is delayed by a period of time than that of the traction sheave 5. The displacement difference measured by the first speed measuring wheel 3 and the second speed measuring wheel 4 is the slippage between the steel wire rope 6 and the elevator traction sheave 5. On wire rope's the transmission mode of slippage, slippage time, wire rope speed, traction sheave through wireless bluetooth gives handheld information display terminal 2 with data transmission, handheld information display terminal 2 crosses the transmission mode of wireless bluetooth and gives bluetooth printer 12 with data transmission, and bluetooth printer 12 prints data.
The operation process is as follows: the main machine is respectively connected with the first speed measuring wheel and the second speed measuring wheel through cables. The first speed measuring wheel is fixed on a steel beam of the elevator traction machine in a magnetic sucker or clamping apparatus mode, and the excircle of the wheel is in contact with an elevator traction steel wire rope. The first speed measuring wheel is fixed on the steel beam of the elevator traction machine by a magnetic sucker or a fixture, and the excircle of the wheel is contacted with the excircle of the elevator traction wheel. And opening the power supply of the host and the handheld information display terminal, and carrying out wireless connection on the host and the handheld information display terminal in a wireless Bluetooth mode. And opening the control operation analysis software on the handheld information display terminal, and operating the control operation analysis software after inputting the measurement parameters. And starting the elevator to run, and when the running speed of the elevator is stable, stopping the elevator suddenly through the elevator sudden stop switch. And controlling operation analysis software to generate two speed v-time t curves of the traction sheave and the steel wire rope in real time, and after the measurement is finished, finding a speed change inflection point when the traction sheave is stopped through the operation analysis of the control operation analysis software on the generated curves, and finally obtaining the sliding distance of the steel wire rope of the elevator traction sheave on the traction sheave. I.e. the amount of slippage of the wire rope of the traction sheave of the elevator. And the handheld operation control terminal prints the detection result through the Bluetooth printer.
Claims (5)
1. Elevator driving sheave wire rope slippage detection device, its characterized in that: the device comprises a host (1), a handheld information display terminal (2), a first speed measuring wheel (3), a second speed measuring wheel (4) and a Bluetooth printer (12), wherein the host (1) is connected with the first speed measuring wheel (3) and the second speed measuring wheel (4) through cables, the host (1) is wirelessly connected with the handheld information display terminal (2) through Bluetooth, the handheld information display terminal (2) is wirelessly connected with the Bluetooth printer (12) through Bluetooth, the first speed measuring wheel (3) is in linear contact with an elevator steel wire rope (6) and reads the motion state of the elevator steel wire rope (6), the second speed measuring wheel (4) is in linear contact with an elevator traction wheel (5) and reads the motion state of the elevator traction wheel (5), a circuit board (10) and a lithium battery (11) are arranged in the host (1), and the lithium battery (11) is connected with the circuit board (10), the Bluetooth wireless charging device is characterized in that a Bluetooth antenna (7), a power switch (9) and a charging socket (8) are arranged on one side of the host (1).
2. The apparatus for detecting slippage of a wire rope of an elevator traction sheave according to claim 1, wherein: the circuit of the detection device comprises a processor, a digital-to-analog conversion unit, a first speed measurement sensor, a second speed measurement sensor, a Bluetooth wireless module and a power supply, wherein the processor is connected with the digital-to-analog conversion unit and the Bluetooth wireless module, and the digital-to-analog conversion unit is connected with the first speed measurement sensor and the second speed measurement sensor.
3. The apparatus for detecting slippage of a wire rope of an elevator traction sheave according to claim 1, wherein: bluetooth antenna (7), switch (9), socket (8) that charges are arranged in proper order to the host computer shell right side through threaded fastener is fixed.
4. The apparatus for detecting slippage of a wire rope of an elevator traction sheave according to claim 1, wherein: the first speed measuring wheel (3) and the second speed measuring wheel (4) are fixedly connected with the elevator tractor channel steel bracket through the universal magnetic universal base or the fixing clamp.
5. The apparatus for detecting slippage of a wire rope of an elevator traction sheave according to claim 2, wherein: the processor is STM32F103, and the digital-to-analog conversion unit is 24-bit A/D conversion: the AD7190 Bluetooth wireless module is HC-05-06-08-02, and the first speed measuring sensor and the second speed measuring sensor are E6B2-CWZ 6C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020126985.3U CN211687856U (en) | 2020-01-20 | 2020-01-20 | Elevator traction sheave wire rope slippage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020126985.3U CN211687856U (en) | 2020-01-20 | 2020-01-20 | Elevator traction sheave wire rope slippage detection device |
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| Publication Number | Publication Date |
|---|---|
| CN211687856U true CN211687856U (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020126985.3U Active CN211687856U (en) | 2020-01-20 | 2020-01-20 | Elevator traction sheave wire rope slippage detection device |
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| Country | Link |
|---|---|
| CN (1) | CN211687856U (en) |
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2020
- 2020-01-20 CN CN202020126985.3U patent/CN211687856U/en active Active
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Effective date of registration: 20230818 Address after: 1271 Dongshun Road, Horqin district, Tongliao City, Inner Mongolia Autonomous Region 028005 Patentee after: Tongliao Branch of Inner Mongolia Autonomous Region Special Equipment Inspection and Research Institute Address before: 028005 No. 1271 Dongshun Road, Horqin District, Tongliao City, Inner Mongolia Autonomous Region Patentee before: TONGLIAO SPECIAL EQUIPMENT INSPECTION INSTITUTE Effective date of registration: 20230818 Address after: 1271 Dongshun Road, Horqin district, Tongliao City, Inner Mongolia Autonomous Region 028005 Patentee after: Tongliao Branch of Inner Mongolia Autonomous Region Special Equipment Inspection and Research Institute Patentee after: Inner Mongolia Special Equipment Inspection and Research Institute Address before: 1271 Dongshun Road, Horqin district, Tongliao City, Inner Mongolia Autonomous Region 028005 Patentee before: Tongliao Branch of Inner Mongolia Autonomous Region Special Equipment Inspection and Research Institute |
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