CN114235244A - High-precision counter moment testing device for gyro motor - Google Patents
High-precision counter moment testing device for gyro motor Download PDFInfo
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- CN114235244A CN114235244A CN202111433418.8A CN202111433418A CN114235244A CN 114235244 A CN114235244 A CN 114235244A CN 202111433418 A CN202111433418 A CN 202111433418A CN 114235244 A CN114235244 A CN 114235244A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/16—Rotary-absorption dynamometers, e.g. of brake type
- G01L3/22—Rotary-absorption dynamometers, e.g. of brake type electrically or magnetically actuated
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
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Abstract
The invention discloses a high-precision counter moment testing device for a gyro motor, which comprises: the lower flat plate installs the casing, the air supply subassembly, preceding support piece, back support piece, left support piece, right support piece, casing installation torquer sensor sub-assembly, the air supporting bearing, the upper cover plate, the air supporting bearing is connected with the switching frock, the front panel is connected with left support piece, right support piece, the back panel is connected with back support piece, install rectangle electric connector on the back panel, the air supply adaptor, power connector, torquer sensor sub-assembly lead-out wire welding is on rectangle electric connector, the air supply subassembly, the air supply adaptor passes through the pipeline with the air supporting bearing and links to each other, the terminal links to each other with power connector, the upper flat plate is connected with left support piece, right support piece, preceding support piece, back support piece is connected. When the device is used for testing, the motor to be tested is arranged on the switching tool to form moment acting on the air bearing rotor shaft, and the moment acts on the air bearing rotor shaft and is converted into a voltage signal by the moment device sensor assembly to be transmitted to an upper computer.
Description
Technical Field
The invention belongs to the technical field of gyro motor testing, and relates to a high-precision counter moment testing device for a gyro motor.
Background
The gyro motor is widely applied to the fields of aerospace, aviation, navigation, weaponry and various precision instruments, and is usually composed of a rotor, a stator and a bearing, wherein after the motor is electrified, the rotor rotates at a high speed to provide required angular momentum, the stator is used as a fixed part and connected with an external part, and the bearing is used as a core component to support the rotor to rotate at a high speed. The motor performance detection is indispensable in the links of motor production assembly, acceptance test, routine test, delivery and use, quality monitoring, reliability evaluation, new product development and the like. Whether the motor bearing is qualified or not and whether the motor meets the use requirement or not are judged according to the test result.
In the aspect of motor performance testing, common performance evaluation indexes are inertia time and touchdown friction torque, and a stopwatch is used for testing the inertia time in the traditional testing method, so that the problems of large testing error and complex operation exist. The ball bearing torque tester is used for testing the ground contact friction torque, and the ball bearing has larger resistance torque, so that the ball bearing brings larger interference to a test result and has the problem of low test precision. Therefore, a measuring device capable of measuring the performance of the gyro motor comprehensively and accurately needs to be designed, and the motor performance parameters such as starting acceleration moment, wind resistance moment, bearing friction moment, synchronization time, inertia time and the like of the motor to be measured can be tested with high accuracy and simplicity through the measuring device, so that the performance of the motor can be judged.
Disclosure of Invention
The technical problem of the invention is solved: the performance test of the gyro motor is realized, and the high-precision counter torque testing device for the gyro motor is provided for detecting the dynamic torque characteristics of the gyro motor, including the gyro state and the motor arranged in the tool.
The technical scheme of the invention is as follows: a high-precision counter torque testing device for a gyro motor comprises an upper cover plate, a switching tool, a shell, an air bearing, a torquer sensor assembly, a lower flat plate, a power supply connector and an upper computer;
the shell is cylindrical, a coaxial stepped cylindrical through hole is respectively arranged at the upper end and the lower end along the axial direction, the stepped cylindrical through hole at the upper end is used for installing an air bearing, the air bearing and the shell are limited by interference fit to ensure the coaxiality and are locked by nuts to ensure the fastening, the stepped cylindrical through hole at the lower end is commonly used for fixedly installing a base of a torquer sensor assembly upwards, the coaxiality is ensured by the nut to ensure the fastening by the interference fit to ensure the coaxiality, the bottom of the shell and the middle part of a lower flat plate are fixedly installed, an upper cover plate is installed at the top of the shell, a through hole is arranged at the center of the upper cover plate, the air bearing is of an outer stator inner rotor structure, the outer stator is cylindrical, the upper end of a rotor shaft extends out of the through hole at the center of the upper cover plate and is used for being fixedly connected with a switching tool, a binding post is installed on the switching tool, the lower end of the rotor shaft is fixedly connected with a rotor of a torquer sensing assembly, after the rotor is connected with the rotor shaft, mounting a top cover of the soft lead assembly on a rotor shaft;
in the high-precision counter torque testing device for the gyro motor, the torquer sensor assembly comprises a torquer, an angle sensor and a base, wherein small gaps between a stator of the torquer and a stator of the sensor are glued on the same base, the coaxiality requirement of the stator of the torquer and the stator of the sensor is better than 0.02mm so as to improve the coaxiality of the stator of the torquer and the stator of the sensor, the base is arranged on a shell in an interference manner, a rotor of the torquer is fixedly connected with a rotor of the sensor, the coaxiality requirement of the rotor of the torquer and the rotor of the sensor is better than 0.02mm, the torquer and the rotor of the sensor are arranged on a rotor shaft of an air bearing and rotate synchronously under the action of external force, and the synchronous measurement of angle and torque is realized;
when the device is tested, the gyro motor to be tested is arranged on the switching tool, the three-phase lead-out wire of the motor is connected with the wiring terminal of the switching tool, when the outer end of the power supply connector is connected with an external power supply, the power supply is used for supplying power to the gyro motor to be tested, the motor rotor starts to rotate under the action of the electromagnetic torque of the motor stator, meanwhile, the motor rotor also applies reaction torque to the motor stator, because the motor stator is rigidly fixed on the air bearing rotor shaft of the tester, the counter torque also acts on the air bearing rotor shaft, the air bearing rotor shaft starts to rotate by an angle theta after being stressed, the sensor senses the rotation angle of the air bearing rotor shaft, outputs a signal voltage U, generates a feedback current I through an electronic circuit and transmits the feedback current I to the torquer, a balance moment is formed on the float shaft to complete a force feedback closed circuit, and then the balance moment is converted into a voltage signal through a torquer and then transmitted to an upper computer in an electric signal form.
In the high-precision counter torque testing device for the gyro motor, the air bearing adopts a static pressure air bearing, the bearing gap is less than 0.05mm, and when the air supply pressure is 2 atmospheric pressures, the interference torque of each point of the bearing is less than 8 multiplied by 10-4mNm, bearing capacity of more than 10kg, high-precision testing performance of the counter torque testing device
In above-mentioned top motor is with high accuracy counter-torque testing arrangement, 3 terminal mounting holes of switching frock outward flange equipartition, the terminal links to each other with the AF wire, air supporting bearing rotor shaft is hollow structure, the wire passes from rotor shaft middle part, rotates together with the air supporting bearing rotor when the test, the wire passes through bolt and nut with the terminal and is connected, the bolt and nut gasket adopts polyimide glass cloth board, avoids terminal and switching frock short circuit, the wire utilizes heat shrinkage bush to carry out insulation treatment.
In the high-precision counter torque testing device for the gyro motor, the flexible wire component comprises a top cover, a flexible wire and a flexible wire base, the top cover and the flexible wire base are the same in structure, the flexible wire is welded on the top cover and a base welding spot, the top cover is connected with the rotor shaft of the air bearing through a thread structure, the upper part of the welding spot is welded with an AF (auto-AF) wire, the part of the welding spot is connected with a torquer rotor and a sensor rotor outgoing line in a torquer sensor assembly, the base is connected with a lower flat plate through a thread structure, the base welding spot is connected with the rectangular connector and a power supply connector through wires, and the flexible wire plays a circuit transition role, so that the one-to-one correspondence between the top cover of the flexible wire component and the welding spot of the base is noticed during welding, when the top cover and the base are installed, the flexible wire is ensured to be in a non-stress state, and the rectangular connector and the power supply connector are realized as a torquer rotor, The sensor rotor supplies power and the gyro motor to be tested supplies power, interference torque caused by the existence of a power supply outgoing line can be avoided by utilizing a flexible conductor structure when the air bearing rotor shaft rotates, the precision of the counter torque tester is improved, and the outgoing lines of a sensor stator and a torquer stator do not pass through a flexible conductor component and are directly welded on a rectangular connector;
in the high-precision counter torque testing device for the gyro motor, the air source assembly is composed of a pressure gauge, a pressure regulator and a pressure gauge support, the pressure regulator is used for regulating air pressure, the display value of the pressure gauge is required to be above 0.5 atmosphere, the air bearing with the undersize pressure value cannot work, the outer end of the air bearing is connected with an external air source through a pipeline, the inner end of the air bearing is connected with the air bearing through a pipeline, and a communicated air path is formed and used for supplying air to the air bearing.
The high-precision counter moment testing device for the gyro motor further comprises an upper flat plate, a left supporting piece, a right supporting piece, a front supporting piece, a rear supporting piece, a front panel and a rear panel;
the lower flat plate is of a rectangular structure, rectangular protruding structures are arranged on the front part, the rear part, the left part and the right part, 4 threaded holes are uniformly distributed in the front part, the rear part, the left part and the right part and used for being connected with the supporting piece, an annular groove is formed in the middle part, the threaded holes are uniformly distributed in the middle part, and the lower flat plate is fixedly connected with the shell, the air source assembly, the front supporting piece, the rear supporting piece, the left supporting piece and the right supporting piece through threads;
the upper flat plate is of a rectangular structure, the middle part of the upper flat plate is provided with a circular through hole, the switching tool is exposed out, the bottom surface of the upper flat plate is provided with a rectangular convex structure which is the same as that of the lower flat plate, 4 threaded holes are uniformly distributed on the bottom surface of the upper flat plate, and the upper flat plate is connected with the left support piece, the right support piece, the front support piece and the rear support piece through threads;
the front panel is U type structure, and the rear panel is the rectangle structure, and the front panel is connected with left support piece, right support piece, and the rear panel is connected with back support piece, and front panel, rear panel, last flat board and lower flat board constitute the cuboid structure space that has the through-hole, fix counter torque testing arrangement in changing the space.
In the high-precision counter torque testing device for the gyro motor, through holes are axially formed in the middle of the left supporting piece, the front supporting piece and the rear supporting piece so as to reduce the weight of parts, and the through holes are rectangular and easy to process. And the right support piece is an L-shaped structure, and an instrument space is separated in the cuboid structural space and used for mounting an air source assembly.
In the high-precision counter torque testing device for the gyro motor, the dust cover is of a barrel-shaped structure, the aperture of the dust cover is slightly larger than that of the middle part of the upper flat plate, and the dust cover is placed on the upper flat plate and used for protecting the inside of the counter torque testing device.
Compared with the prior art, the invention has the beneficial technical effects that:
(1) the device can be used for testing the full-flow counter moment of the gyro motor from starting to stopping, and the device can be arranged in a positive way, in a right side way and in a left side way, and can be used for testing the motor in multiple directions;
(2) the device adopts a high-precision air bearing, has small self-interference torque, high sensitivity and accurate test result;
(3) the device uses the torquer sensor assembly, and is directly connected with the air bearing rotor, can convert the torque signal into the voltage signal in real time, the voltage signal is easy and convenient to collect, the collecting speed is fast, and the high-frequency collection is realized.
(4) The device uses the flexible conductor component to connect the external power supply with the torquer rotor and the sensor rotor outgoing line, when the air bearing rotor shaft rotates under external force, the flexible conductor still keeps the unstressed state, interference torque is prevented from being introduced when the outgoing line is directly connected with the external power supply, and the precision of the testing equipment is improved.
Drawings
Fig. 1 is a schematic connection diagram of a lower plate of a high-precision counter torque testing device for a gyro motor in the embodiment of the invention.
Fig. 2 is a schematic diagram of an internal mounting structure of the high-precision counter torque testing device for the gyro motor in the embodiment of the invention.
Fig. 3 is a schematic diagram of a rear panel of a high-precision counter moment testing device for a gyro motor in the embodiment of the invention.
Fig. 4 is a schematic external view of a high-precision counter torque testing device for a gyro motor in an embodiment of the invention.
Fig. 5 is a schematic diagram of a torquer sensor assembly of a high-precision counter torque testing device for a gyro motor in the embodiment of the invention.
Fig. 6(a) is a schematic diagram of a top cover of a flexible wire assembly of a high-precision counter torque testing device for a gyro motor in an embodiment of the invention.
Fig. 6(b) is a sectional view of a flexible wire assembly of a high-precision counter torque testing device for a gyro motor according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings.
A high-precision counter moment testing device for a gyro motor comprises: the device comprises an upper flat plate, a lower flat plate, a dust cover, a binding post, a switching tool, an upper cover plate, a left supporting piece, a right supporting piece, a front supporting piece, a rear supporting piece, a front panel, a rear panel, an air bearing, a shell, a torque sensor assembly, an air source assembly, a rectangular electric connector, an air source switching piece and a power supply connector.
As shown in fig. 1, a shell is installed in the middle of a lower flat plate, an air source assembly is installed on the lower right side, a front supporting member is installed on the front portion, a rear supporting member is installed on the rear portion, a left supporting member is installed on the left portion, a right supporting member is installed on the right portion, a torquer sensor assembly is installed on the lower portion of the shell, an air bearing is installed in the middle of the shell, and a front panel is connected with the left supporting member and the right supporting member.
The lower flat plate is of a rectangular structure, rectangular protruding structures are arranged at the front part, the rear part, the left part and the right part, 4 threaded holes are evenly distributed in the front part, the rear part, the left part and the right part and used for being connected with the supporting piece, an annular groove is formed in the middle of the lower flat plate, the threaded holes are evenly distributed in the middle of the lower flat plate, and the lower flat plate is fixedly connected with the shell, the air source assembly, the front supporting piece, the rear supporting piece, the left supporting piece and the right supporting piece through threads.
The left support piece, the front support piece and the rear support piece are of rectangular structures and are uniformly provided with 8 threaded holes, a rectangular through hole is formed in the middle of the left support piece, the front support piece and the rear support piece in the axial direction to reduce the weight of parts, the right support piece is of an L-shaped structure, and the upper portion and the lower portion of the right support piece are respectively provided with 3 threaded holes.
As shown in fig. 2, the upper cover plate is installed on the upper portion of the shell, the air bearing is connected with the switching tool, and the wiring terminal is installed on the switching tool.
The shell is cylindrical, a coaxial stepped cylindrical through hole is formed in the upper end and the lower end of the shell along the axial direction, the stepped cylindrical through hole in the upper end is used for installing an air floatation bearing, the stepped cylindrical universal base for fixedly installing the torque sensor assembly upwards is used for the lower end of the stepped cylindrical base, the bottom of the shell and the middle of a lower flat plate are fixedly installed at the bottom of the shell, an upper cover plate is installed at the top of the shell, a through hole is formed in the center of the upper cover plate, the upper end of a rotor shaft extends out of the central through hole of the upper cover plate and is fixedly connected with a switching tool, a binding post is installed on the switching tool, the lower end of the rotor shaft is fixedly connected with a rotor of a torque sensor assembly, and the bottom of the shell is of a four-foot structure and is provided with a threaded through hole and is in threaded connection with the lower flat plate.
The switching frock is circular, and 3 terminal mounting holes of outward flange equipartition, air bearing rotor pass through threaded connection with the switching frock, and the product that awaits measuring is installed to the switching frock on, and the terminal links to each other with the AF wire, and air bearing rotor shaft is hollow structure, and the wire passes from rotor shaft middle part, rotates together with the air bearing rotor when the test, and the wire passes through bolt and nut with the terminal and is connected.
As shown in fig. 3, the back panel is of a rectangular structure and is connected with the back support piece through threads, and the middle part of the back panel is provided with a rectangular electric connector, a power supply connector and an air source adapter in sequence from left to right.
The power socket connector is connected with the inner end of the binding post through an AF (automatic frequency control) wire, the wire penetrates through the middle of the air bearing and rotates with the air bearing rotor during testing, the wire is connected with the binding post through a bolt and a nut, the wire is welded with the power socket connector, the gasket is made of polyimide glass cloth plate insulating materials, the wire is subjected to insulation treatment through a heat-shrinkable sleeve, and the outer end of the power socket connector is connected with an external power supply.
The outer end of the air source adapter is connected with an external air source, the inner end of the air source adapter is connected with the air source assembly through a pipeline, the air source assembly is connected with the air bearing through a pipeline to form a communicated air path, and the air source assembly is composed of a pressure gauge, a pressure regulator and a pressure gauge support.
As shown in fig. 4, the upper plate is connected to the left support, the right support, the front support, and the rear support, and the dust cover is placed on the upper plate.
The upper flat plate is of a rectangular structure, the middle part of the upper flat plate is provided with a circular through hole, the switching tool is exposed out, the bottom surface of the upper flat plate is provided with a rectangular convex structure which is the same as that of the lower flat plate, 4 threaded holes are uniformly distributed on the bottom surface of the upper flat plate, and the upper flat plate is connected with the left support piece, the right support piece, the front support piece and the rear support piece through threads;
the front panel is of a U-shaped structure, a counter torque tester is carved in the middle of the front panel, and the left side end face and the right side end face of the front panel are connected with the left supporting piece and the right supporting piece through threads.
The dust cover is of a barrel-shaped structure, the aperture of the dust cover is slightly larger than that of the middle part of the upper flat plate, and the dust cover is placed on the upper flat plate and used for protecting the inside of the counter torque testing device.
As shown in fig. 5, the torquer sensor assembly comprises a torquer, an angle sensor and a base, the torquer comprises a rotor and a stator, the angle sensor comprises a rotor and a stator, the small gap between the stator of the torquer and the stator of the sensor is glued on the same base, the coaxiality requirement of the stator of the torquer and the stator of the sensor is better than 0.02mm, the base is arranged on the shell in an interference manner, the rotor of the torquer is fixedly connected with the rotor of the sensor, the coaxiality requirement of the rotor of the torquer and the rotor of the sensor is better than 0.02mm, the torquer is arranged on a rotor shaft of an air bearing and synchronously rotates under the action of external force;
as shown in fig. 6(a) and 6(b), the flexible conductor assembly includes a top cap, a flexible conductor, and a base, the top cap has the same structure as the flexible conductor base, the flexible conductor is welded on the welding spot of the top cap and the flexible conductor base, part of the welding spot on the top cap is welded with the AF conductor, part of the welding spot is connected with the torquer rotor and the sensor rotor outgoing line in the torquer sensor assembly, the base welding spot is connected with the rectangular connector and the power connector through the conductor, the top cap and the base are in a free state, the flexible conductor is not accepted, and when the top cap and the base are installed, the flexible conductor is still ensured to be processed in an unstressed state.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make variations and modifications of the present invention without departing from the spirit and scope of the present invention by using the methods and technical contents disclosed above.
Those skilled in the art will appreciate that the invention may be practiced without these specific details.
Claims (9)
1. A high-precision counter torque testing device for a gyro motor is characterized by comprising an upper cover plate, a switching tool, a shell, an air bearing, a torquer sensor assembly, a lower flat plate, a power supply connector and an upper computer;
the air-floating bearing adopts an outer stator inner rotor structure, an outer stator is cylindrical and is fixedly connected with the shell, the upper end of a rotor shaft extends out of the central through hole of the upper cover plate and is used for being fixedly connected with a switching tool, the switching tool is provided with a binding post, the lower end of the rotor shaft is fixedly connected with a rotating shaft of a torque sensor component, and the torque sensor component is fixedly connected with the shell;
the torquer sensor assembly comprises a torquer and an angle sensor, a torquer stator and a sensor stator are arranged on the same base, the base is arranged on the shell, a torquer rotor is fixedly connected with a sensor rotor, is arranged on an air bearing rotor shaft and synchronously rotates under the action of external force, and synchronous measurement of angle and torque is realized;
when the device is tested, the gyro motor to be tested is arranged on the switching tool, the three-phase lead-out wire of the motor is connected with the wiring terminal of the switching tool, when the outer end of the power supply connector is connected with an external power supply, the power supply is used for supplying power to the gyro motor to be tested, the motor rotor starts to rotate under the action of the electromagnetic torque of the motor stator, meanwhile, the motor rotor also applies reaction torque to the motor stator, because the motor stator is rigidly fixed on the air bearing rotor shaft of the tester, the counter torque also acts on the air bearing rotor shaft, the air bearing rotor shaft starts to rotate by an angle theta after being stressed, the sensor senses the rotation angle of the air bearing rotor shaft, outputs a signal voltage U, generates a feedback current I through an electronic circuit and transmits the feedback current I to the torquer, a balance moment is formed on the float shaft to complete a force feedback closed circuit, and then the balance moment is converted into a voltage signal through a torquer and then transmitted to an upper computer in an electric signal form.
2. The high-precision counter torque testing device for the gyro motor as claimed in claim 1, wherein the air bearing is a static pressure air bearing, the bearing clearance is required to be less than 0.05mm, and when the air supply pressure is 2 atmospheres, the interference torque at each point of the bearing is required to be not more than 8 x 10-4mNm。
3. The high-precision counter torque testing device for the gyro motor according to claim 1, wherein 3 terminal mounting holes are uniformly distributed in the outer edge of the switching tool, the terminals are connected with an AF lead, the lead penetrates through the middle of the air bearing and rotates together with an air bearing rotor during testing, and the lead is connected with the terminals through bolts and nuts and is subjected to insulation treatment through a heat-shrinkable sleeve.
4. The high-precision counter torque testing device for the gyro motor according to claim 1, further comprising a flexible wire assembly and a rectangular connector, wherein the flexible wire assembly comprises a top cap, a flexible wire and a flexible wire base, the top cap has the same structure as the flexible wire base, the flexible wire is welded on the top cap and a base welding spot, the top cap is connected with the rotor shaft of the air bearing, the upper part of the flexible wire is welded with the AF wire, the part of the flexible wire is connected with the torquer rotor and a sensor rotor outgoing line in the torquer sensor assembly, the base is connected with the lower flat plate, the base welding spot is connected with the rectangular connector and a power connector through wires, when the top cap and the base are installed, the flexible wire is ensured to be in an unstressed state, the outer end of the power connector and the power connector are connected with an external power supply, and the rectangular connector and the power connector are realized as the torquer rotor welding spot after passing through the base welding spot, the flexible wire and the top cap, The sensor rotor supplies power and the gyro motor to be measured supplies power, and the outgoing lines of the sensor stator and the torquer stator are directly welded on the rectangular connector without passing through the soft lead assembly.
5. The high-precision counter torque testing device for the gyro motor according to claim 1, further comprising an air source assembly;
the outer end of the air source assembly is connected with an external air source through a pipeline, and the inner end of the air source assembly is connected with the air bearing through a pipeline to form a communicated air path for supplying air to the air bearing.
6. The high-precision counter torque testing device for the gyro motor according to claim 1, further comprising an upper flat plate, a left support member, a right support member, a front support member, a rear support member, a front panel and a rear panel;
the lower flat plate is of a rectangular structure, rectangular protruding structures are arranged on the front part, the rear part, the left part and the right part, 4 threaded holes are uniformly distributed in the front part, the rear part, the left part and the right part and used for being connected with the supporting piece, an annular groove is formed in the middle part, the threaded holes are uniformly distributed in the middle part, and the lower flat plate is fixedly connected with the shell, the air source assembly, the front supporting piece, the rear supporting piece, the left supporting piece and the right supporting piece through threads;
the upper flat plate is of a rectangular structure, the middle part of the upper flat plate is provided with a circular through hole, the switching tool is exposed out, the bottom surface of the upper flat plate is provided with a rectangular convex structure which is the same as that of the lower flat plate, 4 threaded holes are uniformly distributed on the bottom surface of the upper flat plate, and the upper flat plate is connected with the left support piece, the right support piece, the front support piece and the rear support piece through threads;
the front panel is U type structure, and the rear panel is the rectangle structure, and the front panel is connected with left support piece, right support piece, and the rear panel is connected with back support piece, and front panel, rear panel, last flat board and lower flat board constitute the cuboid structure space that has the through-hole, fix counter torque testing arrangement in changing the space.
7. The high-precision counter torque testing device for the gyro motor as claimed in claim 1, wherein through holes are axially formed in the middle of the left support member, the front support member and the rear support member to reduce the weight of parts.
8. The high-precision counter torque testing device for the gyro motor according to claim 1, wherein the right support is an L-shaped structure, and an instrument space is partitioned in a cuboid structural space and used for mounting an air source assembly.
9. The high-precision counter torque testing device for the gyro motor as claimed in claim 1, further comprising a dust cover, wherein the dust cover is of a barrel-shaped structure, the aperture of the dust cover is slightly larger than the aperture of the middle part of the upper flat plate, and the dust cover is placed on the upper flat plate to protect the inside of the counter torque testing device.
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| CN202111433418.8A CN114235244B (en) | 2021-11-29 | 2021-11-29 | High-precision counter moment testing device for gyro motor |
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| CN202111433418.8A CN114235244B (en) | 2021-11-29 | 2021-11-29 | High-precision counter moment testing device for gyro motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116296013A (en) * | 2023-05-16 | 2023-06-23 | 合肥中隐新材料有限公司 | Gyro moment detection device, detection system and detection method |
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| CN114235244B (en) | 2023-12-29 |
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