CN113670597A - Rotating machinery working condition data acquisition system - Google Patents
Rotating machinery working condition data acquisition system Download PDFInfo
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- CN113670597A CN113670597A CN202111094258.9A CN202111094258A CN113670597A CN 113670597 A CN113670597 A CN 113670597A CN 202111094258 A CN202111094258 A CN 202111094258A CN 113670597 A CN113670597 A CN 113670597A
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- 239000002184 metal Substances 0.000 description 11
- 238000012545 processing Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000007787 solid Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009351 contact transmission Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 244000144985 peep Species 0.000 description 1
- 238000013441 quality evaluation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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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
- G01M13/00—Testing of machine parts
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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
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
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- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
本发明揭示了一种旋转机械工况数据采集系统，装置设有固定环，所述固定环由两个半环结构通过两端的固定结构连接构成，所述固定环紧密贴合待测轴，所述固定环上通孔，所述通孔内安装有接触待测轴的传感器组件，所述传感器组件输出信号至数据采集装置，所述数据采集装置连接并输出信号至数据处理装置。本发明可以应用于科研研究，零部件寿命检测，零部件质量评估检验等方向，可实现设备运转过程中的数据检测问题，该数据采集系统对现有传动轴不进行任何改装与破坏，完成对旋转机械的数据进行采用与记录，并将数据实时输出到数据处理装置。内滑环可匹配不同的传动轴，将本发明的适用范围进一步增大，实现大范围可重复使用的作用。
The invention discloses a data acquisition system for rotating machinery working conditions. The device is provided with a fixing ring. The fixing ring is composed of two half-ring structures connected by the fixing structures at both ends. There is a through hole on the fixing ring, a sensor assembly contacting the shaft to be measured is installed in the through hole, the sensor assembly outputs a signal to the data acquisition device, and the data acquisition device is connected and outputs the signal to the data processing device. The invention can be applied to scientific research, component life detection, component quality assessment and inspection, etc., and can realize data detection problems during equipment operation. The data acquisition system does not carry out any modification or damage to the existing transmission shaft, and completes The data of the rotating machinery is adopted and recorded, and the data is output to the data processing device in real time. The inner slip ring can be matched with different transmission shafts, further increasing the scope of application of the present invention, and realizing the function of being reusable in a wide range.
Description
Technical Field
The invention relates to the technical field of stress-strain data acquisition of rotary machines, in particular to a device for acquiring data of rotary machines (such as gears, shafts and the like) in a rotating process.
Background
At present, the equipment in the mechanical industry is mainly rotary machines, but the reliability of the rotary machines is always a technical problem. Among them, the problem of data acquisition in the rotation process of a rotary machine has been an important problem that hinders scientific progress.
At present, the development of the acquisition device for the stress strain of the rotary machine is strictly restricted due to the reasons of large volume, difficult disassembly and assembly, high price and the like. A test device for testing devices which is small and easy to install, even in the finished product phase, is therefore of great importance for the analysis of rotating machines.
Disclosure of Invention
The invention aims to solve the technical problem of realizing a system for reducing the installation cost and improving the detection effect of the rotating machinery, not damaging the original rotating machinery, not increasing interference, measuring data in the rotating process to the maximum extent, having important significance for analyzing various Lihua parameters of the rotating machinery and achieving the purposes of predicting the service life and evaluating the health of the rotating machinery.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a rotating machinery operating mode data acquisition system, the device is equipped with solid fixed ring, gu fixed ring comprises the fixed knot at both ends of two semi-ring structures through the structural connection, gu fixed ring closely laminates and treats the axle, gu be equipped with the through-hole on the fixed ring, install the sensor module that the axle was treated in the contact in the through-hole, sensor module output signal to data acquisition device, data acquisition device connects and output signal to data processing device.
The sensor assembly includes a temperature sensor and/or a stress sensor.
The sensor assembly is provided with a signal transmitter, the data acquisition device is provided with a signal receiver matched with the signal transmitter, and the signal receiver receives a signal sent by the sensor assembly and transmits the signal to the data acquisition device.
The sensor comprises a fixing ring, a contact piece and a sensor component, wherein the fixing ring is externally provided with the contact piece fixed through a support, the contact piece is in contact with the outer wall of the fixing ring, the fixing ring is electrically connected with the sensor component, the contact piece receives a signal of the sensor component, and the contact piece is connected with and outputs a signal to a data processing device through a signal wire.
The surface of the fixing ring is provided with at least one metal ring structure, each metal ring is connected with one path of signal of the sensor assembly, adjacent metal rings are spaced through a junction edge material, the contact element is provided with an electric contact area corresponding to each metal ring, each metal ring is electrically connected with the corresponding electric contact area, and each electric contact is connected with a signal wire connected with the data processing device.
The contact element is formed by connecting two semi-ring structures through fixing structures at two ends, and the inner wall of the contact element is in clearance fit with the fixing rings.
And a gap between the contact piece and the fixed ring is filled with a conductive lubricating medium.
The inner wall of the fixing ring is provided with an anti-slip glue layer.
The data acquisition system can be applied to scientific research, part service life detection, part quality evaluation and inspection and other directions, can realize the data detection problem in the operation process of equipment, does not modify and damage the existing transmission shaft, finishes the adoption and recording of the data of the rotating machinery, and outputs the data to the data processing device in real time. The inner slip ring can be matched with different transmission shafts, so that the application range of the invention is further enlarged, and the effect of large-range repeated use is realized.
In addition, the data acquisition device of the invention comprises a plurality of channels and can measure a plurality of groups of data of the rotating machine. The slip ring connecting device is convenient to connect and beneficial to installation of equipment.
Drawings
The following is a brief description of the contents of each figure and the symbols in the figures in the description of the invention:
FIG. 1 is a schematic diagram of a system for collecting operating condition data of a rotating machine;
FIG. 2 is a top view of a rotating machine condition data acquisition system;
the labels in the above figures are: 1. a shaft to be measured; 2. a fixing ring; 3. a contact member; 4. a fixed structure; 5. a sensor assembly; 6. a data acquisition device; 7. a data processing apparatus.
Detailed Description
The following description of the embodiments with reference to the drawings is provided to describe the embodiments of the present invention, and the embodiments of the present invention, such as the shapes and configurations of the components, the mutual positions and connection relationships of the components, the functions and working principles of the components, the manufacturing processes and the operation and use methods, etc., will be further described in detail to help those skilled in the art to more completely, accurately and deeply understand the inventive concept and technical solutions of the present invention.
The rotating machine working condition data acquisition system acquires various data in the rotating process of the rotating machine, processes and analyzes the data, achieves the important function of evaluating the rotating machine, has the characteristics of detachability and easy installation, can be repeatedly used, has the structure shown in figure 1, and mainly comprises a sensor assembly 5, a data acquisition device 6, a data processing device 7, a fixing ring 2 and the like.
The system is provided with a data acquisition device 6 for receiving signals of the sensor assembly 5 to realize data acquisition of the rotating machine, the data acquisition device 6 is connected with and outputs signals to a data processing device 7 to process and record the signals from the rotating machine, and the data processing device 7 is used for presenting and recording data and can adopt a computer or a special PDA device. The data acquisition device 6 and the data processing device 7 can be purchased in a whole set, the wire harnesses of the data acquisition device 6 and the data processing device 7 are standard data acquisition interfaces, and the accuracy of data acquisition frequency needs to be ensured because the meshing frequency of a rotating machine is high.
The device is fixed and is waited to survey epaxial fixed ring 2, fixed ring 2 can be along with waiting to survey axle 1 and rotate, can be equipped with the anti-skidding glue film along with waiting to survey axle 1 for fixed ring 2 can be reliable, increase the reliability and the frictional force of contact, also make fixed ring 2's the not so high of generation precision, can adjust by the anti-skidding glue film, fixed ring 2 is two semi-ring structures, the both ends of two semi-ring structures are equipped with fixed knot structure 4, fixed knot structure 4 through both ends is connected to constitute and is fixed and wait to survey epaxial fixed ring 2, fixed knot structure 4 can design as required, for example, adopt convex stationary blade, set up the mounting hole on the stationary blade, connect fixedly through the bolt that runs through the mounting hole.
The fixing ring 2 is provided with a through hole, a sensor component 5 which is in contact with the shaft 1 to be measured is arranged in the through hole, the sensor component 5 is arranged on the surface or inside the rotating machine, data acquisition is carried out along with the rotating machine, and signals are transmitted out, and signals measured by the sensor component 5 can be designed according to requirements, for example, the sensor component 5 is a single temperature sensor, or a single stress sensor, or a temperature sensor and a stress sensor.
The signal of the sensor assembly 5 can be transmitted by the following two embodiments;
Embodiment 2, adopt the contact transmission mode, a contact 3 is fixed to solid fixed ring 2 outside for contacting solid fixed ring 2 and receiving the signal of sensor module 5, gu fixed ring 2 is equipped with outside through the support and fixes, is a stationary object, gu fixed ring 2 can fix on the gear box surface through the support for keep motionless, and transmit the signal to data acquisition device 6. Can go out at gear box peep hole and open the aperture for pencil connection signal, if no pencil position, accessible electrically conductive device is with signal derivation.
Contact 3 and the contact of solid fixed ring 2 outer wall, and solid fixed ring 2 is connected with sensor module 5 electricity, thereby realize the transmission of signal, however, if the signal that sensor module 5 gathered is a plurality of, then multichannel transmission signal is required, then solid fixed ring 2's surface is equipped with at least one metal ring structure, for example, set up two metal ring structures, multiunit data can be gathered simultaneously to the multiple passageway of signal of every metal ring connection sensor module 5 all the way, for contrastive analysis, through the interval of junction edge material between the adjacent metal ring, avoid signal interference influence, contact 3 is equipped with the electric contact zone that corresponds every metal ring, every metal ring is connected with the electric contact zone electricity that corresponds, a signal line of being connected with data processing device 7 is connected to every electric contact, then can independent outside output signal.
In order to improve the reliability of signal transmission between the contact element 3 and the fixing ring 2, the contact element 3 may be designed as an annular structure wrapping the outer wall of the fixing ring 2, the contact element 3 is formed by connecting two semi-ring structures through fixing structures 4 at two ends, and the inner wall of the contact element 3 is in clearance fit with the fixing ring 2. The fixing rings 2 have different specifications and are used for matching transmission shafts with different inner diameters, so that the characteristics of repeated use and wide range are achieved, and the original transmission shaft is not required to be changed. The fixing ring 2 is suitable for transmission shafts with different diameters, but the outer diameter can be kept constant, so that the size of the contact 3 does not need to be changed, and the fixing ring 2 with any size can be used, and the inner diameter of the fixing ring 2 can be designed to be 50mm, 55mm, 60mm and 70mm, for example. In order to ensure the reliability of signal transmission, the gap between the contact 3 and the fixed ring 2 is filled with a conductive lubricating medium.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (8)
1. A rotating machinery working condition data acquisition system is characterized in that: the device is provided with a fixing ring, the fixing ring is formed by connecting two semi-ring structures through fixing structures at two ends, the fixing ring is tightly attached to a shaft to be measured, a through hole is formed in the fixing ring, a sensor assembly in contact with the shaft to be measured is installed in the through hole, the sensor assembly outputs signals to a data acquisition device, and the data acquisition device is connected with and outputs signals to a data processing device.
2. The system for collecting working condition data of a rotating machine according to claim 1, wherein: the sensor assembly includes a temperature sensor and/or a stress sensor.
3. The system for collecting working condition data of a rotary machine according to claim 2, wherein: the sensor assembly is provided with a signal transmitter, the data acquisition device is provided with a signal receiver matched with the signal transmitter, and the signal receiver receives a signal sent by the sensor assembly and transmits the signal to the data acquisition device.
4. The system for collecting working condition data of a rotary machine according to claim 2, wherein: the sensor comprises a fixing ring, a contact piece and a sensor component, wherein the fixing ring is externally provided with the contact piece fixed through a support, the contact piece is in contact with the outer wall of the fixing ring, the fixing ring is electrically connected with the sensor component, the contact piece receives a signal of the sensor component, and the contact piece is connected with and outputs a signal to a data processing device through a signal wire.
5. The system for collecting working condition data of a rotating machine according to claim 4, wherein: the surface of the fixing ring is provided with at least one metal ring structure, each metal ring is connected with one path of signal of the sensor assembly, adjacent metal rings are spaced through a junction edge material, the contact element is provided with an electric contact area corresponding to each metal ring, each metal ring is electrically connected with the corresponding electric contact area, and each electric contact is connected with a signal wire connected with the data processing device.
6. The system for collecting working condition data of a rotating machine according to claim 5, wherein: the contact element is formed by connecting two semi-ring structures through fixing structures at two ends, and the inner wall of the contact element is in clearance fit with the fixing rings.
7. The system for collecting working condition data of a rotating machine according to claim 1, wherein: and a gap between the contact piece and the fixed ring is filled with a conductive lubricating medium.
8. The system for collecting working condition data of a rotary machine according to any one of claims 1 to 7, wherein: the inner wall of the fixing ring is provided with an anti-slip glue layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111094258.9A CN113670597A (en) | 2021-09-17 | 2021-09-17 | Rotating machinery working condition data acquisition system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111094258.9A CN113670597A (en) | 2021-09-17 | 2021-09-17 | Rotating machinery working condition data acquisition system |
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| CN113670597A true CN113670597A (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111094258.9A Pending CN113670597A (en) | 2021-09-17 | 2021-09-17 | Rotating machinery working condition data acquisition system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115727901A (en) * | 2022-11-11 | 2023-03-03 | 北京力信德华科技有限公司 | On-line monitoring intelligence ring |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020097040A1 (en) * | 2001-01-25 | 2002-07-25 | Nsk Ltd. | Wheel rotation detecting device |
| CN105804954A (en) * | 2016-05-05 | 2016-07-27 | 内蒙古工业大学 | Telemetering method and testing device of dynamic signals of rotating blades of wind driven generator |
| CN108871776A (en) * | 2018-07-17 | 2018-11-23 | 西南交通大学 | Bullet train axle non-destructive tests testing stand based on vibratory response |
| CN111985133A (en) * | 2020-08-17 | 2020-11-24 | 湖南机油泵股份有限公司 | Method for measuring internal pressure of hydraulic rotating machine and stress strain of rotating component |
| CN216309395U (en) * | 2021-09-17 | 2022-04-15 | 石家庄钢铁有限责任公司 | Rotary machine working condition data acquisition system |
-
2021
- 2021-09-17 CN CN202111094258.9A patent/CN113670597A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020097040A1 (en) * | 2001-01-25 | 2002-07-25 | Nsk Ltd. | Wheel rotation detecting device |
| CN105804954A (en) * | 2016-05-05 | 2016-07-27 | 内蒙古工业大学 | Telemetering method and testing device of dynamic signals of rotating blades of wind driven generator |
| CN108871776A (en) * | 2018-07-17 | 2018-11-23 | 西南交通大学 | Bullet train axle non-destructive tests testing stand based on vibratory response |
| CN111985133A (en) * | 2020-08-17 | 2020-11-24 | 湖南机油泵股份有限公司 | Method for measuring internal pressure of hydraulic rotating machine and stress strain of rotating component |
| CN216309395U (en) * | 2021-09-17 | 2022-04-15 | 石家庄钢铁有限责任公司 | Rotary machine working condition data acquisition system |
Non-Patent Citations (1)
| Title |
|---|
| 柴继新 等: "几种常见的电阻应变式旋转扭矩传感器", 计量、测试与校准, vol. 30, no. 2, 31 December 2010 (2010-12-31), pages 34 - 36 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115727901A (en) * | 2022-11-11 | 2023-03-03 | 北京力信德华科技有限公司 | On-line monitoring intelligence ring |
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