CN218724306U - Displacement sensor testing device - Google Patents
Displacement sensor testing device Download PDFInfo
- Publication number
- CN218724306U CN218724306U CN202222892824.7U CN202222892824U CN218724306U CN 218724306 U CN218724306 U CN 218724306U CN 202222892824 U CN202222892824 U CN 202222892824U CN 218724306 U CN218724306 U CN 218724306U
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- displacement sensor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model discloses a displacement sensor test device, which comprises a base, wherein a fixed frame is fixed at the middle part of the base, a level instrument which is horizontally arranged can be detachably fixed on the fixed frame, a connecting plate is fixed at the moving end of the level instrument, a sensor mounting hole is arranged on the connecting plate, a displacement sensor is arranged in the sensor mounting hole, and the displacement sensors at the two sides of the connecting plate are respectively screwed with a fixing nut; the upper end of the base on one side of the measuring end of the displacement sensor is fixed with a target surface fixing frame, and a target panel is detachably fixed on the position of the target surface fixing frame corresponding to the displacement sensor. Through setting up removable target panel to the actual conditions of simulation steam turbine target surface ensures can furthest obtain accurate measured data in the inspection stage, and adjusts the distance between displacement sensor and the target panel through the level instrument, and the accurate data of being convenient for to obtain compares with displacement sensor's detected data, and the experiment of being convenient for is gone on.
Description
The technical field is as follows:
the utility model relates to a coal pulverizer wind channel heating field, concretely relates to displacement sensor test device.
Background art:
the turbine uses the axial displacement sensor as the precision component, need measure and examine displacement sensor's displacement measurement and output voltage's linearity when overhauing to judge whether damage of axial displacement sensor, can not cause because of displacement sensor measurement inaccurate false alarm steam turbine tripping operation that leads to etc. serious consequence after the displacement sensor installation in order to ensure.
When the existing axial displacement sensor testing device is used, the displacement sensor needs to be disassembled back into a laboratory, then the displacement sensor is fixed on a mounting frame, then an iron sheet fixed on a mobile test bed is used for simulating a target surface, so as to verify the accuracy of the distance between the displacement sensor measurement and the iron sheet, the tested displacement sensor is assembled back on a steam turbine, but because the surface of the iron sheet is a smooth and flat plane, the test uses detection data taking the smooth plane as the target surface, the target surface of the axial displacement sensor used on site can cause unevenness due to abrasion, meanwhile, impurities such as oil stains and the like can be attached to the target surface in the using process, errors can be caused in actual displacement and measurement voltage, the test data are inaccurate, further, the accuracy of the displacement sensor measurement in the actual using process is lost, and the normal use of the steam turbine is influenced.
The utility model has the following contents:
an object of the utility model is to provide a displacement sensor test device.
The utility model is implemented by the following technical scheme
A displacement sensor test device comprises a base, wherein a fixed frame is fixed in the middle of the base, a horizontally arranged material level instrument is detachably fixed on the fixed frame, a connecting plate is fixed at the moving end of the material level instrument, a sensor mounting hole is formed in the connecting plate, a displacement sensor penetrates through the sensor mounting hole, and fixing nuts are screwed on the displacement sensors on the two sides of the connecting plate respectively; the upper end of the base on one side of the measuring end of the displacement sensor is fixed with a target surface fixing frame, and a target panel is detachably fixed on the position of the target surface fixing frame corresponding to the displacement sensor.
Preferably, an instrument fixing hole is formed in the upper end of the fixing frame, the level instrument penetrates through the instrument fixing hole, a fixing screw penetrates through the top of the fixing frame, and the bottom end of the fixing screw is abutted to the level instrument in the instrument fixing hole.
Preferably, a height adjusting screw is vertically arranged below the level instrument, the bottom of the height adjusting screw is in threaded connection with the base, and the top of the height adjusting screw is abutted against the bottom of the level instrument.
Preferably, a target surface mounting groove is formed in the center of the upper end of the target surface fixing frame, the target surface plate is inserted into the target surface mounting groove, and a pressing rod is fixed to the top of the target surface fixing frame through a screw.
The utility model has the advantages that: through setting up removable target panel to the actual conditions of simulation steam turbine target surface ensures can furthest obtain accurate measured data at the inspection stage, and adjusts the distance between displacement sensor and the target panel through the level instrument, and the accurate data of being convenient for to obtain compares with displacement sensor's detected data, and the experiment of being convenient for goes on.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the target surface fixing frame of the present invention.
In the figure: the device comprises a base 1, a fixing frame 2, an instrument fixing hole 2.1, a material level instrument 3, a connecting plate 4, a sensor mounting hole 4.1, a displacement sensor 5, a fixing nut 6, a target surface fixing frame 7, a target surface mounting groove 7.1, a target panel 8, a fixing screw 9, a height adjusting screw 10 and a pressure lever 11.
The specific implementation mode is as follows:
as shown in fig. 1 and 2, a displacement sensor testing device comprises a base 1, wherein a fixed frame 2 is fixed in the middle of the base 1, an instrument fixing hole 2.1 is formed in the upper end of the fixed frame 2, a level instrument 3 is arranged in the instrument fixing hole 2.1 in a penetrating manner, a fixing screw is arranged at the top of the fixed frame 2 in a penetrating manner, the bottom end of the fixing screw is abutted against the level instrument 3 in the instrument fixing hole 2.1, a connecting plate 4 is fixed at the moving end of the level instrument 3, a sensor mounting hole 4.1 is formed in the connecting plate 4, a displacement sensor 5 is arranged in the sensor mounting hole 4.1 in a penetrating manner, and a fixing nut 96 is respectively screwed on the displacement sensors 5 at two sides of the connecting plate 4; a target surface fixing frame 72 is fixed at the upper end of the base 1 at one side of the measuring end of the displacement sensor 5, a target surface mounting groove 7.1 is formed in the center of the upper end of the target surface fixing frame 72, a target surface plate 8 is inserted into the target surface mounting groove 7.1, a pressure rod 11 is fixed at the top of the target surface fixing frame 72 through a screw, and the displacement sensor 5 corresponds to the target surface plate 8;
when the device is used, the displacement sensor 5 of the steam turbine is detached, the displacement sensor 5 is inserted into the sensor mounting hole 4.1, the two fixing nuts 96 are respectively screwed on the displacement sensors 5 on the two sides of the connecting plate 4, the target panel 8 which is attached to the target surface condition of the steam turbine is arranged in the target surface mounting groove 7.1, the target panel 8 is fixed through the pressure lever 11, the target panel 8 is ensured not to move, the distance between the displacement sensor 5 and the target panel 8 is accurately adjusted by adjusting the position of the moving end of the level instrument 3, and the measurement data of the displacement sensor 5 is compared with the data of the level instrument 3; the replaceable target panel 8 is arranged to simulate the actual condition of the target surface of the steam turbine, so that accurate measurement data can be obtained at the inspection stage to the maximum extent, the distance between the displacement sensor 5 and the target panel 8 is adjusted through the material level instrument 3, the obtained accurate data can be compared with the detection data of the displacement sensor 5 conveniently, and the test can be carried out conveniently;
the height adjusting screw 10 is vertically arranged below the level instrument 3, the bottom of the height adjusting screw 10 is in threaded connection with the base 1, the top of the height adjusting screw 10 is abutted to the bottom of the level instrument 3, the level instrument 3 is supported through the height adjusting screw 10 by adjusting the height adjusting screw 10, and the stability of the level instrument 3 is ensured.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A displacement sensor test device is characterized by comprising a base, wherein a fixed frame is fixed in the middle of the base, a horizontally arranged material level instrument is detachably fixed on the fixed frame, a connecting plate is fixed at the moving end of the material level instrument, a sensor mounting hole is formed in the connecting plate, a displacement sensor penetrates through the sensor mounting hole, and a fixing nut is screwed on the displacement sensors on the two sides of the connecting plate respectively; the upper end of the base on one side of the measuring end of the displacement sensor is fixed with a target surface fixing frame, and a target panel is detachably fixed on the position of the target surface fixing frame corresponding to the displacement sensor.
2. The displacement sensor testing device according to claim 1, wherein an instrument fixing hole is formed in an upper end of the fixing frame, the level instrument is inserted into the instrument fixing hole, a fixing screw is inserted into a top of the fixing frame, and a bottom end of the fixing screw abuts against the level instrument in the instrument fixing hole.
3. The displacement sensor testing device according to claim 1, wherein a vertically arranged height adjusting screw is arranged below the level gauge, the bottom of the height adjusting screw is in threaded connection with the base, and the top of the height adjusting screw abuts against the bottom of the level gauge.
4. The displacement sensor testing device according to any one of claims 1 to 3, wherein a target surface mounting groove is formed in the center of the upper end of the target surface fixing frame, the target surface plate is inserted into the target surface mounting groove, and a pressing rod is fixed to the top of the target surface fixing frame through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222892824.7U CN218724306U (en) | 2022-10-31 | 2022-10-31 | Displacement sensor testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222892824.7U CN218724306U (en) | 2022-10-31 | 2022-10-31 | Displacement sensor testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218724306U true CN218724306U (en) | 2023-03-24 |
Family
ID=85597958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222892824.7U Active CN218724306U (en) | 2022-10-31 | 2022-10-31 | Displacement sensor testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218724306U (en) |
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2022
- 2022-10-31 CN CN202222892824.7U patent/CN218724306U/en active Active
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