CN214838910U - Rigid hanger capable of displaying real-time load - Google Patents
Rigid hanger capable of displaying real-time load Download PDFInfo
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- CN214838910U CN214838910U CN202120173436.6U CN202120173436U CN214838910U CN 214838910 U CN214838910 U CN 214838910U CN 202120173436 U CN202120173436 U CN 202120173436U CN 214838910 U CN214838910 U CN 214838910U
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Abstract
The application discloses a rigid hanger capable of displaying real-time load, which comprises a bearing suspender of the rigid hanger; and the digital display system is arranged on the bearing suspension rod of the rigid suspension bracket and comprises a strain sensor, a data acquisition card, an A/D converter and a digital display assembly. The digital display module can display the load of the rigid hanger in real time, has low requirement on the qualification of inspectors, does not need tools such as a ladder stand or a scaffold, greatly reduces the inspection difficulty and reduces the inspection cost; based on the characteristic that the electrical measurement technology is nondestructive, the micro strain sensor and the digital display interface do not influence the working state of the rigid hanger, the load of the rigid hanger is adjusted to the designed installation load, the initial defect is avoided, and the construction adjustment can be guided during the inspection and maintenance of the unit; when the rigid hanger is loaded and deviates from the design load greatly, the digital display interface can achieve the early warning function by changing the background color of the interface.
Description
Technical Field
The application relates to the technical field of rigid hangers, in particular to a rigid hanger capable of displaying real-time load.
Background
The pipeline support hanger is an important component of a steam-water pipeline system of a power plant and comprises various components or devices which are used for bearing pipeline load, limiting pipeline displacement, controlling pipeline vibration and transmitting the load to a bearing structure. The rigid hanger is mainly used for bearing the dead weight load of the pipeline, and the restraint pipe is tied on the hanger which is vertically displaced from the hanging point. Compared with other types of hangers, the rigid hanger can bear larger load, keeps the pipeline not to sink, enhances the rigidity of the pipeline system and reduces the vibration of the pipeline.
The influence of abnormal state or failure of the pipeline support and hanger on the safe operation of a power plant is mainly shown in the following aspects: the stress of the pipeline is increased, and the service life of the pipeline is shortened; the thrust and the moment of thrust of the equipment of the pipeline team are increased, and the safe operation of the pipeline and the equipment is influenced; increasing the risk of vibration of the pipeline. The rigid hanger plays an important role in a pipeline system of a power plant, potential safety hazards are brought to the operation of the power plant when the working state of the rigid hanger is abnormal, and particularly the rigid hanger on the top of a boiler of a thermal power plant. Boiler furnace top gallows all is rigid gallows basically, and the main problem that exists has: the load of each header suspender is seriously uneven; part of the container suspender is in a loss-of-load site; the mass of the furnace top platform is borne by the header hanger rod, and the upper part of the hanger rod is provided with additional load. Therefore, the power plant highly attaches importance to the operation state of the rigid support hanger, and brings the inspection, maintenance and adjustment work of the rigid hanger into the daily maintenance and overhaul work range of the power plant.
The existing rigid hanger has a very simple structure, no window capable of observing the hanger load or judging whether the hanger operates normally exists, the existing manual visual inspection is the only mode of rigid hanger inspection, and the working state of the rigid hanger is respectively inspected according to experience by means of a scaffold in a hot state before the generator set stops and a cold state after the generator set stops; in addition, the rigid hanger is generally arranged at high altitude, and if the rigid hanger is not supported by a scaffold, the working state of the rigid hanger is difficult to check manually, and if the rigid hanger deviates from the design load, the abnormal state or the failure of the rigid hanger can increase the stress of the pipeline, shorten the service life of the pipeline and influence the running safety of the pipeline and equipment, so that the rigid hanger capable of displaying the real-time load needs to be provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rigid hanger frame capable of displaying real-time load, which solves the problems in the prior art, the existing manual visual inspection mode of the hanger frame needs manual intervention, the accurate inspection result has higher requirements for participating inspectors, and the hanger frame not only requires that the hanger frame has abundant field working experience and strict safety awareness, but also has the theoretical basis of related technical knowledge; the rigid hanging bracket of the on-site pipeline is complex in layout, a ladder stand or a scaffold needs to be erected, and the like, so that the inspection cost is high, the inspection difficulty is high, the inspection speed is low, the inspection period is long, and the potential safety hazard to inspectors is caused; manual visual inspection can only judge whether the rigid hanger bears or not, and cannot judge whether the load of the rigid hanger is consistent with the designed load or not; the initial defect exists in the unit installation and infrastructure stage, and the rigid hanger cannot be installed and set to the designed installation load.
To achieve the above object, an embodiment of the present application provides: a rigid hanger frame capable of displaying real-time load is characterized by comprising:
a load-bearing boom of the rigid hanger;
the digital display system is arranged on the bearing suspension rod of the rigid hanger and comprises a strain sensor, a data acquisition card, an A/D converter and a digital display component; the strain sensor is electrically connected to the strain sensor, the strain sensor is electrically connected to the digital display assembly through the data acquisition card and the A/D converter, and the strain sensor is directly and fixedly connected to the surface of the bearing suspension rod.
The embodiment of the application adopts the following technical scheme that the strain sensor is set to be a high-precision micro strain sensor.
The embodiment of the application adopts the following technical scheme that the digital display component is set as an industrial control LCD high-definition display screen.
The embodiment of the application adopts the following technical scheme that the strain sensor is specifically set as a resistance strain gauge sensor.
The embodiment of the application adopts the following technical scheme that two groups of strain sensors are arranged.
The technical scheme is adopted in the embodiment of the application, and the bearing suspender of the rigid suspender is a spring support suspender.
The embodiment of the application adopts the following technical scheme that a fixed shell is fixedly connected to the surface of a bearing suspension rod of the rigid suspension bracket.
According to the technical scheme, the data acquisition card, the A/D converter and the digital display assembly are fixedly mounted on the bearing suspension rod of the rigid suspension bracket through the fixed shell.
The embodiment of the application adopts the following technical scheme and further comprises a data recording instrument for recording the display data of the digital display assembly.
The embodiment of the application adopts the following technical scheme that the data recording instrument is electrically connected with the A/D converter and the digital display component.
The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:
1. the digital display module can display the load of the rigid hanger in real time, has low requirement on the qualification of inspectors, does not need tools such as a ladder stand or a scaffold, greatly reduces the inspection difficulty and reduces the inspection cost;
2. based on the characteristic that the electrical measurement technology is nondestructive, the working state of the rigid hanger is not influenced by the micro strain sensor and the digital display interface, the rigid hanger can be constructed and installed in the set foundation installation stage, the load of the rigid hanger is adjusted to the designed installation load, the initial defect is avoided, and the construction adjustment can be guided during the set inspection and maintenance; when the rigid hanger is loaded and deviates from the design load greatly, the digital display interface can achieve the early warning function by changing the background color of the interface.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a block diagram showing the system structure of the rigid hanger of the present invention capable of displaying real-time load;
fig. 2 is the utility model discloses can show real-time load's rigid hanger's strain sensor's arrangement mode schematic diagram.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, 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 application.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to fig. 1-2.
Example 1
A rigid hanger bracket capable of displaying real-time loads, comprising:
a load-bearing boom of the rigid hanger;
the digital display system is arranged on the bearing suspension rod of the rigid hanger and comprises a strain sensor, a data acquisition card, an A/D converter and a digital display assembly; the strain sensor is electrically connected with the strain sensor, the strain sensor is electrically connected with the digital display assembly through the data acquisition card and the A/D converter, and the strain sensor is directly and fixedly connected with the surface of the bearing suspender.
The strain sensor is set as a high-precision miniature strain sensor, and the digital display component is set as an industrial control LCD high-definition display screen. The strain sensors are specifically set to be resistance strain gauge sensors, and the strain sensors are provided with two groups.
The bearing suspender of the rigid hanger is a spring support hanger suspender. The surface of the bearing suspension rod of the rigid suspension bracket is fixedly connected with a fixed shell, and the data acquisition card, the A/D converter and the digital display assembly are fixedly arranged on the bearing suspension rod of the rigid suspension bracket through the fixed shell.
The digital display device also comprises a data recording instrument for recording the display data of the digital display component, and the data recording instrument is electrically connected with the A/D converter and the digital display component.
In the specific implementation process, the sensor is used for converting non-electricity into electricity (such as voltage, current or frequency), is the primary link of a test and control system, and can directly convert a physical quantity to be tested into an electric signal which has a determined corresponding relation with the physical quantity and is easy to detect and output so as to meet the requirements of information transmission, recording, display, analysis, processing, control and the like. The rigid hanger capable of displaying load in real time adopts a strain sensor
Based on the technical means of miniature strain sensors and electrical measurement, the invention can realize the following targets by utilizing a digital display module: 1. the digital display interface can display the load of the rigid hanger in real time, and has low requirement on the qualification of inspectors; 2. based on the characteristic of nondestructive electrical measurement technology, the working state of the rigid hanger is not influenced by the miniature strain sensor and the digital display interface; 3. the adjustment construction work during the installation, inspection and maintenance of the rigid hanger can be guided by utilizing a digital display interface; 4. when the load of the rigid hanger deviates from the design load greatly, the digital display interface can achieve the early warning function by changing the background color of the interface;
the working principle is as follows: the method comprises the steps of measuring the linear strain of the surface of a component (a bearing suspension rod) by using a resistance strain gauge sensor, determining the surface stress state of the component according to the strain stress relation, fixing the strain sensor on the surface of a suspension rod of the spring support and suspension bracket, changing the resistance value of the resistance strain gauge in the strain sensor correspondingly when the suspension rod deforms, converting the resistance change into the change of voltage by using a resistance strain gauge, converting the change into the strain value or outputting a signal of the voltage in direct proportion to the strain, recording by using a recorder to obtain the measured strain or stress, finally obtaining the load of the rigid suspension bracket by converting, and displaying by using a digital display component.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A rigid hanger frame capable of displaying real-time load is characterized by comprising:
a load-bearing boom of the rigid hanger;
the digital display system is arranged on the bearing suspension rod of the rigid hanger and comprises a strain sensor, a data acquisition card, an A/D converter and a digital display component; the strain sensor is electrically connected to the strain sensor, the strain sensor is electrically connected to the digital display assembly through the data acquisition card and the A/D converter, and the strain sensor is directly and fixedly connected to the surface of the bearing suspension rod.
2. The rigid hanger bracket capable of displaying real-time load according to claim 1, wherein: the strain sensor is set as a high-precision micro strain sensor.
3. The rigid hanger bracket capable of displaying real-time load according to claim 2, wherein: the digital display component is set as an industrial control LCD high-definition display screen.
4. The rigid hanger bracket capable of displaying real-time load according to claim 2, wherein: the strain sensor is specifically configured as a resistive strain gauge sensor.
5. The rigid hanger bracket capable of displaying real-time load according to claim 4, wherein: the strain sensors are provided with two groups.
6. The rigid hanger bracket capable of displaying real-time load according to claim 1, wherein: and a bearing suspender of the rigid suspender is a spring support suspender.
7. The rigid hanger bracket capable of displaying real-time load according to claim 1, wherein: and the surface of the bearing suspender of the rigid hanger is fixedly connected with a fixed shell.
8. The rigid hanger bracket capable of displaying real-time load according to claim 7, wherein: the data acquisition card, the A/D converter and the digital display assembly are fixedly arranged on the bearing suspension rod of the rigid hanger through the fixed shell.
9. The rigid hanger bracket capable of displaying real-time load according to claim 1, wherein: the digital display device also comprises a data recording instrument for recording the display data of the digital display component.
10. The rigid hanger bracket capable of displaying real-time load according to claim 9, wherein: the data recording instrument is electrically connected with the A/D converter and the digital display component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120173436.6U CN214838910U (en) | 2021-01-21 | 2021-01-21 | Rigid hanger capable of displaying real-time load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120173436.6U CN214838910U (en) | 2021-01-21 | 2021-01-21 | Rigid hanger capable of displaying real-time load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214838910U true CN214838910U (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120173436.6U Active CN214838910U (en) | 2021-01-21 | 2021-01-21 | Rigid hanger capable of displaying real-time load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214838910U (en) |
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2021
- 2021-01-21 CN CN202120173436.6U patent/CN214838910U/en active Active
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