CN111912463A - Real-time online health state monitoring system for fixed winch hoist - Google Patents
Real-time online health state monitoring system for fixed winch hoist Download PDFInfo
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- CN111912463A CN111912463A CN202010814147.XA CN202010814147A CN111912463A CN 111912463 A CN111912463 A CN 111912463A CN 202010814147 A CN202010814147 A CN 202010814147A CN 111912463 A CN111912463 A CN 111912463A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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Abstract
A fixed winch hoist health state real-time on-line monitoring system comprises a stress strain monitoring system, a flow-induced vibration monitoring system, an opening and closing force monitoring system, a signal transmission system, a signal acquisition system, a monitoring system, an early warning system, a data system, a PC system and a centralized control room; the method has accurate and reliable monitoring data, can ensure that the operation of the metal structure equipment of the fixed winch hoist is in real-time online visual monitoring, and related workers can constantly master the health state of the equipment, thereby being beneficial to ensuring the long-term safe operation of the equipment and formulating correct corresponding detection and maintenance schemes, thereby saving a great amount of manpower, material resources and financial resources; and provides basis for redesigning, manufacturing, inspecting, installing and the like of the equipment through the real-time online health state monitoring data.
Description
Technical Field
The invention belongs to the technical field of water conservancy and hydropower gate opening and closing, and particularly relates to a real-time online health state monitoring system for a fixed winch type opening and closing machine.
Background
The fixed hoist is a gate hoist widely used in large and medium-sized hydraulic power plants, and adopts a steel wire rope as a traction member, the weight of the hoist is not large, but the lifting height of the gate is quite large, and a plurality of sets of pulley blocks are arranged to generate quite large traction force. In the design and construction of water conservancy and hydropower metal structure equipment, the fixed winch hoist has high technical parameter requirements, complex operating condition conditions and particularly important operational reliability and safety, so that the real-time online health state monitoring of the fixed winch hoist is very necessary. At present, besides production, manufacture, inspection and installation according to design drawings, a practical, reliable and safe health state real-time online monitoring system which can be widely implemented in the use process is also lacked.
Disclosure of Invention
The invention provides a long-term, stable and effective real-time online monitoring system for the health state of a fixed winch hoist, which aims to solve the defect that the use of the fixed winch hoist is affected due to the change of the health state of metal structure equipment caused by various factors such as overload, environmental change and the like in the use process, provides a basis for maintenance treatment, finds potential safety hazards in time and prevents the potential hazards from being enlarged and safety accidents from occurring.
In order to solve the technical problems, the invention adopts the following technical scheme: a fixed winch hoist health state real-time on-line monitoring system comprises a stress strain monitoring system, a flow-induced vibration monitoring system, an opening and closing force monitoring system, a signal transmission system, a signal acquisition system, a monitoring system, an early warning system, a data system, a PC system and a centralized control room;
the signal output ends of the stress strain monitoring system, the flow-induced vibration monitoring system and the opening and closing force monitoring system are connected with the signal input end of the signal transmission system, the signal output end of the signal transmission system is connected with the signal input end of the signal acquisition system, the signal output end of the signal acquisition system is connected with the signal input end of the PC system, and the signal output end of the PC system is respectively connected with the monitoring system, the early warning system, the data system and the centralized control room.
The stress-strain monitoring system comprises a first stress-strain sensor arranged at the positions of a motor base, a speed reducer base, a winding drum set bearing base, a fixed pulley set base and a balance pulley set base of a fixed winch hoist, and the first stress-strain sensor collects stress-strain signals at corresponding positions and then sequentially transmits the stress-strain signals to a PC (personal computer) system through a signal transmission system and a signal collection system.
The flow-induced vibration monitoring system comprises a three-shaft two-direction vibration sensor arranged at a motor of a fixed winch hoist and a bearing seat of a winding drum set, and the three-shaft two-direction vibration sensor collects flow-induced vibration signals at corresponding positions and then sequentially transmits the flow-induced vibration signals to a PC (personal computer) system through a signal transmission system and a signal collection system
The opening and closing force monitoring system comprises a second stress-strain sensor arranged near a balance pulley block of the fixed winch hoist, strain signals acquired by the second stress-strain sensor are transmitted to the signal acquisition system by the signal transmission system, and then the opening and closing force is converted by the PC system.
The signal transmission system connects each sensor with the signal acquisition system by using a twisted pair shielding cable, and the signals are processed by the PC system and then transmitted to the centralized control room by using optical fibers.
The signal acquisition system is used for processing and analyzing various signals by embedded programs of the integrated circuit board capable of receiving different signals and then uploading the signals to a PC system.
The monitoring system displays real-time operation and working state of different parts of the fixed winch hoist, which are immediately influenced by the environment, in figures, colors, figures and patterns through the display, so that related personnel can conveniently master the operation condition of the fixed winch hoist at any time.
The early warning system is characterized in that an expert early warning database is established according to scientific research data, design data, manufacturing data, installation data and the like of the metal structure equipment of the fixed winch hoist, different values are set, and when the monitoring data reaches or exceeds a certain numerical value, a warning is sent out.
All data related to health monitoring of the data storage system, including historical and instant data, support the data analysis, processing and safety assessment of the whole online monitoring system, and provide digital basis for the maintenance of the fixed winch hoist.
The PC system comprises a set of monitoring application software platform, provides a user management system for a user, and organically combines other subsystems to form a whole set of fixed winch hoist health state real-time online monitoring system.
By adopting the technical scheme, the health state of the metal structure equipment of the fixed winch hoist is monitored and transmitted in real time through various sensors at the positions of main parts, and is subjected to system analysis, processing, recording, early warning and the like, so that the real-time online monitoring of the health state of the metal structure equipment of the fixed winch hoist is realized, the monitoring of the safe use process of the fixed winch hoist is one-time innovation, and the fixed winch hoist has good practical usability, operability and popularization.
The invention has simple structure, convenient purchase of the adopted components, easy operation during construction, capability of ensuring monitoring effect, real-time mastering of the health state of the metal structure equipment of the fixed winch hoist in real time, controllable construction cost and easy wide popularization and application in hydraulic and hydroelectric engineering.
The monitoring software and components adopted by the invention all meet the national standard, all the operation technical indexes are stable, the monitoring data are accurate and reliable, the operation of the fixed winch hoist metal structure equipment can be ensured to be in real-time online visual observation and monitoring, related workers can constantly master the health state of the equipment, the long-term safe operation of the equipment is ensured, and correct corresponding detection and maintenance schemes are formulated, so that a great amount of manpower, material resources and financial resources are saved; and provides basis for redesigning, manufacturing, inspecting, installing and the like of the equipment through the real-time online health state monitoring data.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of a fixed hoist;
fig. 3 is a left side view of fig. 2.
Detailed Description
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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, the system for monitoring the health state of a fixed winch hoist on line in real time comprises a stress-strain monitoring system, a flow-induced vibration monitoring system, an opening and closing force monitoring system, a signal transmission system, a signal acquisition system, a monitoring system, an early warning system, a data system, a PC system and a centralized control room;
the signal output ends of the stress strain monitoring system, the flow-induced vibration monitoring system and the opening and closing force monitoring system are connected with the signal input end of the signal transmission system, the signal output end of the signal transmission system is connected with the signal input end of the signal acquisition system, the signal output end of the signal acquisition system is connected with the signal input end of the PC system, and the signal output end of the PC system is respectively connected with the monitoring system, the early warning system, the data system and the centralized control room.
The stress-strain monitoring system comprises a first stress-strain sensor arranged at the positions of a motor base, a speed reducer base, a winding drum set bearing base, a fixed pulley set base and a balance pulley set base of a fixed winch hoist, and the first stress-strain sensor collects stress-strain signals at corresponding positions and then sequentially transmits the stress-strain signals to a PC (personal computer) system through a signal transmission system and a signal collection system.
The flow-induced vibration monitoring system comprises a three-shaft two-direction vibration sensor arranged at a motor of a fixed winch hoist and a bearing seat of a winding drum set, and the three-shaft two-direction vibration sensor collects flow-induced vibration signals at corresponding positions and then sequentially transmits the flow-induced vibration signals to a PC (personal computer) system through a signal transmission system and a signal collection system
The opening and closing force monitoring system comprises a second stress-strain sensor arranged near a balance pulley block of the fixed winch hoist, strain signals acquired by the second stress-strain sensor are transmitted to the signal acquisition system by the signal transmission system, and then the opening and closing force is converted by the PC system.
The signal transmission system connects each sensor with the signal acquisition system by using a twisted pair shielding cable, and the signals are processed by the PC system and then transmitted to the centralized control room by using optical fibers.
The signal acquisition system is used for processing and analyzing various signals by embedded programs of the integrated circuit board capable of receiving different signals and then uploading the signals to a PC system.
The monitoring system displays real-time operation and working state of different parts of the fixed winch hoist, which are immediately influenced by the environment, in figures, colors, figures and patterns through the display, so that related personnel can conveniently master the operation condition of the fixed winch hoist at any time.
The early warning system is characterized in that an expert early warning database is established according to scientific research data, design data, manufacturing data, installation data and the like of the metal structure equipment of the fixed winch hoist, different values are set, and when the monitoring data reaches or exceeds a certain numerical value, a warning is sent out.
All data related to health monitoring of the data storage system, including historical and instant data, support the data analysis, processing and safety assessment of the whole online monitoring system, and provide digital basis for the maintenance of the fixed winch hoist.
The PC system comprises a set of monitoring application software platform, provides a user management system for a user, and organically combines other subsystems to form a whole set of fixed winch hoist health state real-time online monitoring system.
The reference numerals in fig. 2 and 3 are respectively: 1-a fixed pulley group; 2-a frame; 3-a balancing pulley block; 4-a movable pulley block; 5-an electric motor; 6-a speed reducer; 7-a brake; and 8-reel group.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a real-time on-line monitoring system of fixed hoist formula headstock gear health status which characterized in that: the system comprises a stress strain monitoring system, a flow-induced vibration monitoring system, an opening and closing force monitoring system, a signal transmission system, a signal acquisition system, a monitoring system, an early warning system, a data system, a PC system and a centralized control room;
the signal output ends of the stress strain monitoring system, the flow-induced vibration monitoring system and the opening and closing force monitoring system are connected with the signal input end of the signal transmission system, the signal output end of the signal transmission system is connected with the signal input end of the signal acquisition system, the signal output end of the signal acquisition system is connected with the signal input end of the PC system, and the signal output end of the PC system is respectively connected with the monitoring system, the early warning system, the data system and the centralized control room.
2. The system of claim 1, wherein the system comprises: the stress-strain monitoring system comprises a first stress-strain sensor arranged at the positions of a motor base, a speed reducer base, a winding drum set bearing base, a fixed pulley set base and a balance pulley set base of a fixed winch hoist, and the first stress-strain sensor collects stress-strain signals at corresponding positions and then sequentially transmits the stress-strain signals to a PC (personal computer) system through a signal transmission system and a signal collection system.
3. The system of claim 1, wherein the system comprises: the flow-induced vibration monitoring system comprises three-axis two-direction vibration sensors arranged at the motor of the fixed winch hoist and a bearing seat of the winding drum set, and the three-axis two-direction vibration sensors collect flow-induced vibration signals at corresponding positions and then sequentially transmit the flow-induced vibration signals to the PC system through the signal transmission system and the signal acquisition system.
4. The system of claim 3, wherein the health status of the fixed hoist is monitored on-line in real time, and the system comprises: the opening and closing force monitoring system comprises a second stress-strain sensor arranged near a balance pulley block of the fixed winch hoist, strain signals acquired by the second stress-strain sensor are transmitted to the signal acquisition system by the signal transmission system, and then the opening and closing force is converted by the PC system.
5. The system for real-time on-line monitoring of the health of a fixed hoist according to any one of claims 2 to 4, characterized in that: the signal transmission system connects each sensor with the signal acquisition system by using a twisted pair shielding cable, and the signals are processed by the PC system and then transmitted to the centralized control room by using optical fibers.
6. The system of claim 5, wherein the health status of the fixed hoist is monitored on-line in real time, and the system comprises: the signal acquisition system is used for processing and analyzing various signals by embedded programs of the integrated circuit board capable of receiving different signals and then uploading the signals to a PC system.
7. The system of claim 5, wherein the health status of the fixed hoist is monitored on-line in real time, and the system comprises: the monitoring system displays real-time operation and working state of different parts of the fixed winch hoist, which are immediately influenced by the environment, in figures, colors, figures and patterns through the display, so that related personnel can conveniently master the operation condition of the fixed winch hoist at any time.
8. The system of claim 5, wherein the health status of the fixed hoist is monitored on-line in real time, and the system comprises: the early warning system is characterized in that an expert early warning database is established according to scientific research data, design data, manufacturing data, installation data and the like of the metal structure equipment of the fixed winch hoist, different values are set, and when the monitoring data reaches or exceeds a certain numerical value, a warning is sent out.
9. The system of claim 5, wherein the health status of the fixed hoist is monitored on-line in real time, and the system comprises: all data related to health monitoring of the data storage system, including historical and instant data, support the data analysis, processing and safety assessment of the whole online monitoring system, and provide digital basis for the maintenance of the fixed winch hoist.
10. The system of claim 5, wherein the health status of the fixed hoist is monitored on-line in real time, and the system comprises: the PC system comprises a set of monitoring application software platform, provides a user management system for a user, and organically combines other subsystems to form a whole set of fixed winch hoist health state real-time online monitoring system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010814147.XA CN111912463A (en) | 2020-08-13 | 2020-08-13 | Real-time online health state monitoring system for fixed winch hoist |
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| CN202010814147.XA CN111912463A (en) | 2020-08-13 | 2020-08-13 | Real-time online health state monitoring system for fixed winch hoist |
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| CN111912463A true CN111912463A (en) | 2020-11-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216714A (en) * | 2021-12-31 | 2022-03-22 | 水利部水工金属结构质量检验测试中心 | Hydraulic hoist test system |
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2020
- 2020-08-13 CN CN202010814147.XA patent/CN111912463A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216714A (en) * | 2021-12-31 | 2022-03-22 | 水利部水工金属结构质量检验测试中心 | Hydraulic hoist test system |
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