CN218895770U - Angular displacement sensor simulation test device - Google Patents
Angular displacement sensor simulation test device Download PDFInfo
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- CN218895770U CN218895770U CN202222475386.4U CN202222475386U CN218895770U CN 218895770 U CN218895770 U CN 218895770U CN 202222475386 U CN202222475386 U CN 202222475386U CN 218895770 U CN218895770 U CN 218895770U
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- displacement sensor
- angular displacement
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- connecting rod
- fixing plate
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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Abstract
The utility model relates to an angular displacement sensor simulation test device, and belongs to the technical field of aviation repair devices. The simulation test device comprises a chassis, a pressing plate, a connecting rod, a threaded rod, a cushion block and a product fixing plate; the chassis, the cushion block and the vibration test equipment mounting table are fixedly connected together, the product fixing plate is arranged on the chassis, and the angular displacement sensor to be detected is arranged on the product fixing plate, so that the vibration condition generated by the vibration test equipment can be applied to the angular displacement sensor; the threaded rod is installed on the chassis, two clamp plates are installed on the threaded rod, one end of the connecting rod is connected with the angular displacement sensor, the other end of the connecting rod is clamped between the two clamp plates, upward and downward installation stress is applied to the connecting rod by adjusting the upward and downward movement of the clamp plates in the threaded rod, and the input rotation angle of the angular displacement sensor can be changed by rotating the connecting rod between the two clamp plates, so that the performance test is performed by changing the input rotation angle of the angular displacement sensor under the vibration condition and the installation stress condition.
Description
Technical Field
The utility model relates to an angular displacement sensor simulation test device, and belongs to the technical field of aviation repair devices.
Background
When a certain type of aircraft angular displacement sensor is used for external test run and test flight, burr faults are frequently generated in output voltage, and normal delivery of the aircraft is affected. The fault elimination method adopted after the sensor returns to the internal field is to perform steady-state (vibration-free and stress-free) performance test on the fault part, and can only analyze the possibility of fault occurrence according to experience and product principles, perform guaranteed work, clean an internal potentiometer, check and adjust brush pressure and the like because the fault cannot be reproduced. The root cause of failure is that the performance inspection environment is inconsistent with the on-board environment after the sensor returns to the internal field. At present, faults cannot be reproduced in an internal field environment, so that troubleshooting work cannot be carried out aiming at the faults. It is desirable to find a way to simulate an on-board operating environment.
Disclosure of Invention
Aiming at the problem that the fault can not be reproduced when the sensor returns to the internal field for inspection, the utility model provides the simulation test device for the angular displacement sensor, which can simulate the vibration environment, the installation stress and the input corner condition on the machine, carry out the performance test on the angular displacement sensor, realize the reproduction of the fault, change the hidden fault into the true visible fault, and further develop the troubleshooting and thoroughly repair specific fault phenomena, so that the simulation test device can put the vector effectively.
The aim of the utility model is achieved by the following technical scheme.
An angular displacement sensor simulation test device comprises a chassis, a pressing plate, a connecting rod, a threaded rod, a cushion block and a product fixing plate;
the chassis, the cushion block and the vibration test equipment mounting table are fixedly connected together, and the cushion block is positioned between the chassis and the vibration test equipment mounting table; one end of the two threaded rods is fixed on the chassis, and the two pressing plates are arranged on the two threaded rods in an up-down sequence and fastened by nuts; the connecting rod plays a role in connecting a transmission input corner, one end of the connecting rod is connected with an angular displacement sensor product, the other end of the connecting rod is clamped between the two pressing plates, the upper position and the lower position of the pressing plates in the threaded rod are adjusted through adjusting nuts of the fastening pressing plates, and then the connecting rod is adjusted to install stress upwards and downwards and can be introduced into the angular displacement sensor product through the conduction of the connecting rod, and the input corner of the angular displacement sensor can be changed through rotating the connecting rod between the two pressing plates; the product fixing plate is arranged on the chassis and is used for fixing the tested angular displacement sensor product.
Furthermore, an angle ruler is carved on the edge of the chassis, so that the input rotation angle can be conveniently measured and interpreted. Preferably, the scale of the angle gauge ranges from-30 to +30°.
Further, two symmetrical arc-shaped adjusting grooves are formed in the middle of the chassis, the bolts penetrate through the arc-shaped adjusting grooves to install the product fixing plate on the chassis, and the angles and positions of the product fixing plate can be adjusted in the arc-shaped adjusting grooves by unscrewing the bolts.
Further, the cushion block has a hollow ring structure, and may be called a cushion ring.
The performance test based on the simulation experiment device is operated as follows: the vibration conditions generated by the vibration test equipment are applied to the angular displacement sensor through the simulation test device; the pressing plate is adjusted to move up and down in the threaded rod, so that upward and downward installation stress is applied to the connecting rod, and the installation stress can be transmitted to the inside of an angular displacement sensor product which is a measured object through the connecting rod; the input rotation angle of the angular displacement sensor can be changed to perform performance test by rotating the connecting rod between the two pressing plates. The simulation test device can enable the angular displacement sensor product to change the input rotation angle under the vibration condition and the installation stress condition to perform the performance test, thereby realizing the performance test of the angular displacement sensor product under the simulated on-board working environment condition.
The beneficial effects are that:
(1) According to the simulation test device, the angular displacement sensor can be fixed on vibration test equipment to simulate the vibration condition of the machine, and meanwhile, the stress on the machine is simulated to change the input rotation angle for performance test, so that fault reproduction can be realized, hidden faults are changed into true visible faults, specific fault phenomena are developed, and faults are thoroughly removed.
(2) An angle ruler is arranged on the chassis, so that the input rotation angle can be conveniently measured and interpreted. The arc-shaped adjusting groove arranged on the chassis is beneficial to adjusting the angle and the position of the product fixing plate.
(3) The simulation test device provided by the utility model has the advantages of simple structure, simplicity and convenience in operation, capability of simulating the working environment on a machine to realize fault reproduction, effective fault removal and good application prospect in the aspect of maintenance of the angular displacement sensor.
Drawings
Fig. 1 is a schematic structural diagram of an angular displacement sensor simulation test apparatus.
Fig. 2 is a top view of an angular displacement sensor simulation test apparatus.
Wherein, 1-chassis, 2-clamp plate, 3-connecting rod, 4-threaded rod, 5-cushion, 6-product fixed plate.
Detailed Description
In the following description of the present utility model, it is to be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are directional or positional relationships as shown based on the drawings, merely to facilitate description of the present utility model and simplify the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present utility model.
Example 1
An angular displacement sensor simulation test device comprises a chassis 1, a pressing plate 2, a connecting rod 3, a threaded rod 4, a cushion block 5 and a product fixing plate 6, wherein the product fixing plate is shown in figures 1 and 2;
as shown in fig. 2, the edge of the chassis 1 is carved with an angle ruler (-30 ° - +30°) for measuring and interpreting the input rotation angle, and two symmetrical arc-shaped adjusting grooves are also processed in the middle of the chassis for installing the product fixing plate 6 and adjusting the angle and the position of the product fixing plate 6 installed on the chassis 1;
the cushion block 5 is of a hollow circular ring structure;
four cushion blocks 5 are uniformly arranged between the chassis 1 and the vibration test equipment mounting table, and the chassis 1, the cushion blocks 5 and the vibration test equipment mounting table are fixedly connected together through hexagon head bolts; one end of the two threaded rods 4 is fixed on the chassis 1 under the cooperation of the hexagonal nuts, the two pressing plates 2 are arranged on the two threaded rods 4 in an up-down sequence and fastened by the hexagonal nuts, and the pressing plates 2 can move up and down in the threaded rods 4 by adjusting the hexagonal nuts for fastening the pressing plates 2, so that the effect of adjusting the upward and downward installation stress of the connecting rods 3 is realized; one end of the connecting rod 3 is connected with an angular displacement sensor product, the other end is clamped between the two pressing plates 2, the input rotation angle of the angular displacement sensor can be changed by rotating the connecting rod 3 between the two pressing plates 2, and the installation stress can be conducted into the angular displacement sensor product through the connecting rod 3; the product fixing plate 6 is used for installing and fixing a tested angular displacement sensor product, the bottom of the product fixing plate is provided with two threaded holes, the product fixing plate is fixed on the chassis 1 through a hexagon head bolt penetrating through an arc-shaped adjusting groove of the chassis 1, and the angle and the position of the product fixing plate 6 can be adjusted in the arc-shaped adjusting groove of the chassis 1 by unscrewing the hexagon head bolt.
The principle of performance test based on the simulation experiment device is as follows: when the vibration test equipment vibrates, transmitting vibration conditions to the angular displacement sensor through the simulation test device; the pressing plate 2 is adjusted to move up and down on the threaded rod 4, upward and downward installation stress is applied to the connecting rod 3, and the other end of the connecting rod 3 is connected with an angular displacement sensor product, so that the installation stress is transmitted to the inside of the angular displacement sensor product, which is a measured object; by rotating the connecting rod 3 between the two pressing plates 2 and referring to an angle ruler (-30 degrees to +30 degrees) on the chassis 1, the input rotation angle is interpreted, and the input rotation angle of the angular displacement sensor can be changed to perform performance test, so that the angular displacement sensor product can change the input rotation angle to perform performance test under vibration conditions and installation stress conditions.
In summary, the above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. An angular displacement sensor analogue test device which is characterized in that: comprises a chassis, a pressing plate, a connecting rod, a threaded rod, a cushion block and a product fixing plate;
the chassis, the cushion block and the vibration test equipment mounting table are fixedly connected together, and the cushion block is positioned between the chassis and the vibration test equipment mounting table; one end of the two threaded rods is fixed on the chassis, and the two pressing plates are arranged on the two threaded rods in an up-down sequence and fastened by nuts; one end of the connecting rod is connected with the angular displacement sensor product, and the other end of the connecting rod is clamped between the two pressing plates; the product fixing plate is arranged on the chassis, and the angular displacement sensor product to be tested is arranged on the product fixing plate.
2. An angular displacement sensor simulation test apparatus according to claim 1, wherein: an angle ruler is carved on the edge of the chassis.
3. An angular displacement sensor simulation test apparatus according to claim 2, wherein: the scale range of the angle ruler is-30 degrees to +30 degrees.
4. An angular displacement sensor simulation test apparatus according to any one of claims 1 to 3, wherein: two symmetrical arc-shaped adjusting grooves are formed in the middle of the chassis, and bolts penetrate through the arc-shaped adjusting grooves to install the product fixing plate on the chassis.
5. An angular displacement sensor simulation test apparatus according to claim 1, wherein: the cushion block is of a hollow circular ring structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222475386.4U CN218895770U (en) | 2022-09-19 | 2022-09-19 | Angular displacement sensor simulation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222475386.4U CN218895770U (en) | 2022-09-19 | 2022-09-19 | Angular displacement sensor simulation test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218895770U true CN218895770U (en) | 2023-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222475386.4U Active CN218895770U (en) | 2022-09-19 | 2022-09-19 | Angular displacement sensor simulation test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218895770U (en) |
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2022
- 2022-09-19 CN CN202222475386.4U patent/CN218895770U/en active Active
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