CN114061837B - Dynamic sealing member performance test detection device applied to laser emission channel sealing - Google Patents
Dynamic sealing member performance test detection device applied to laser emission channel sealing Download PDFInfo
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- CN114061837B CN114061837B CN202111347979.6A CN202111347979A CN114061837B CN 114061837 B CN114061837 B CN 114061837B CN 202111347979 A CN202111347979 A CN 202111347979A CN 114061837 B CN114061837 B CN 114061837B
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- 238000007789 sealing Methods 0.000 title claims abstract description 63
- 238000011056 performance test Methods 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 35
- 230000033001 locomotion Effects 0.000 claims abstract description 20
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000003068 static effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000011161 development Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011553 magnetic fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- 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
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a dynamic seal member performance test detection device applied to laser emission channel sealing, which comprises a servo driving mechanism, a data acquisition sensor assembly, a rotating base assembly, a seal test assembly, a first coupler, a second coupler, a first support, a second support, a base frame and a control cabinet, wherein the data acquisition sensor assembly comprises a rotating speed torque sensor, a temperature sensor, an air pressure sensor and a humidity sensor, the rotating speed torque sensor is used for acquiring friction moment values before and after movement of a dynamic seal member to be tested, and the temperature sensor, the air pressure sensor and the humidity sensor are used for acquiring dynamic tightness of the dynamic seal member to be tested. The detection device can enter various environment adaptability test boxes to carry out dynamic tests under severe environments, and the sealing performance of the dynamic sealing element under various environment conditions is tested in the early stage, so that the selection of the dynamic sealing element is optimized, the development period of the whole machine can be shortened, and the reliability of the whole machine equipment is improved.
Description
Technical Field
The invention relates to the technical field of dynamic sealing of photoelectric equipment, in particular to a dynamic sealing member performance test detection device applied to sealing of a laser emission channel.
Background
The beam control and tracking aiming system (ATP) is one of the key technologies of a high-power laser system, and mainly completes the functional links of high-power laser transmission, pointing control, target identification and tracking, active illumination, aiming, striking and the like. With the increasing demands on ATP systems, in order to ensure the cleaning of the laser emission channel of ATP at high power, the laser emission channel is usually filled with clean and dry inert gas at a suitable pressure. In order to meet the requirement of omnidirectionally tracking the aiming target, the ATP needs to move in azimuth and pitching directions, therefore, the dynamic seal is inevitably needed to realize the seal of a laser emission channel, and the cleanness is ensured. However, the introduction of dynamic sealing can cause problems such as the service life of sealing elements, sealing effect, influence of sealing friction moment on motion precision and the like.
Disclosure of Invention
In order to solve the problems, the invention provides a dynamic seal member performance test detection device applied to laser emission channel sealing, which is used for providing actual measurement data support for dynamic seal member model selection design and motion control algorithm optimization in the conventional ATP development process and can improve the performance and reliability of the ATP complete machine.
The technical scheme of the invention is realized as follows:
Be applied to sealed dynamic seal spare performance test detection device of laser emission passageway, including servo drive mechanism, data acquisition sensor subassembly, rotating base subassembly, sealed test subassembly, first shaft coupling, second shaft coupling, first support, second support, basic frame and control machine case, wherein:
The data acquisition sensor assembly comprises a rotating speed torque sensor, a temperature sensor, an air pressure sensor and a humidity sensor, wherein the rotating speed torque sensor is used for acquiring friction torque values before and after movement of the dynamic sealing element to be detected, providing detailed friction force interference data for movement control of laser emission equipment, providing data for an optimization control algorithm and improving the accuracy of movement control. The temperature sensor, the air pressure sensor and the humidity sensor are arranged on the fixed shaft of the sealing test assembly and are used for collecting dynamic tightness of the dynamic sealing element to be tested, so that whether the tightness of the dynamic sealing element to be tested meets the sealing requirement of a laser emission channel is evaluated in advance.
The servo driving mechanism is arranged on a mounting bottom plate through the first support, the rotating speed torque sensor is arranged on the mounting bottom plate through the second support, and the mounting bottom plate is arranged on the basic frame; one end of a rotating shaft of the rotating speed torque sensor is connected with an output shaft of the servo driving mechanism through the first coupler, and the other end of the rotating shaft of the rotating torque sensor is connected with a rotating shaft of the sealing test assembly through the second coupler and a rotating main shaft of the rotating base assembly in sequence, so that the rotating shaft can be driven to do rotary motion through the servo driving mechanism, and the rotating speed and the torque value during motion are sensed through the rotating speed torque sensor.
The control cabinet is arranged in the base frame, and the driving control and data acquisition of the servo driving mechanism are realized under the control of the upper computer.
Further, the servo driving mechanism comprises a servo motor and a planetary reducer, wherein the servo motor is electrically connected with the control cabinet, and the planetary reducer is connected with the rotating speed torque sensor through the first coupling.
Further, the rotating base assembly comprises a fixed housing, a cross roller bearing and the rotating spindle, wherein the cross roller bearing is arranged on the rotating spindle and is connected with the fixed housing.
Further, the rotary base assembly further comprises an angle encoder, wherein the angle encoder is arranged on a rotary main shaft of the rotary base assembly and is matched with the servo driving mechanism to complete closed-loop control of rotary motion.
Further, the seal testing assembly comprises a rotating shaft, a cover plate, a static seal ring and a fixed shaft, wherein the rotating shaft is connected with a rotating main shaft of the rotating base assembly, the cover plate is arranged on the outer side end face of the fixed shaft, the static seal ring is arranged between the cover plate of the dynamic seal piece to be tested and the fixed shaft, and the fixed shaft is connected with a fixed shell of the rotating base assembly.
Further, the device also comprises an inflation interface and a deflation interface, wherein the inflation interface and the deflation interface are arranged on a fixed shaft of the sealing test assembly.
Further, the foundation frame comprises a main body frame, the mounting bottom plate and a plurality of leveling truckles, the mounting bottom plate set up in as the installation benchmark on the main body frame, the leveling truckle set up in the bottom surface and the side of main body frame make the foundation frame is rotatory also convenient the removal when 90 transform states, be convenient for realize the test of the performance of dynamic seal spare under two kinds of states of horizontal installation and vertical installation, the actual operating mode of sealing spare installation on equipment can be reappeared to the maximum.
Further, still include the safety cover, the safety cover set up in on the mounting plate, the safety cover adopts transparent PVC material preparation, can observe test state, guarantees safety when testing again.
The invention has the beneficial effects that:
1) The specific values of the friction torque before and after the movement of the dynamic seal to be measured can be acquired through the rotating speed torque sensor, detailed friction force interference data are provided for the movement control of the laser emission equipment, data are provided for an optimal control algorithm, and the precision of the movement control is improved.
2) The dynamic tightness of the dynamic sealing element to be tested can be acquired through the temperature sensor, the precise air pressure sensor and the humidity sensor, so that whether the tightness of the dynamic sealing element meets the sealing requirement of the laser emission channel is evaluated in advance.
3) The seal test assembly can be matched and designed and replaced according to the form and the structural size of the actually selected dynamic seal to be tested, can test the dynamic seal to be tested with the diameter not more than 1000mm, and can test various seal forms of dynamic seal to be tested, such as labyrinth seal, mechanical seal, rubber seal, magnetic fluid seal and the like, and has strong universality.
4) The bottom surface and the side of main body frame all are provided with the leveling truckle, make the foundation frame rotatory also conveniently remove when 90 transform states, can conveniently realize the test of the performance of the dynamic seal spare that awaits measuring under the two kinds of states of horizontal installation and vertical installation, can furthest reappear the actual operating mode that awaits measuring the dynamic seal spare and install on ATP position and every single move.
5) The detection device can enter various environment adaptability test boxes to carry out dynamic tests under severe environments, and the sealing performance of the dynamic sealing element under various environment conditions is tested in the early stage, so that the selection of the dynamic sealing element is optimized, the development period of the whole machine can be shortened, and the reliability of the whole machine equipment is improved.
6) The protective cover is made of transparent PVC materials, so that the test state can be observed, and the safety during the test is ensured.
Drawings
FIG. 1 is a front view of a dynamic seal performance test apparatus according to an embodiment of the present invention;
FIG. 2 is a left side view of a dynamic seal performance test apparatus according to an embodiment of the present invention;
FIG. 3 is a top view of a dynamic seal performance test apparatus according to an embodiment of the present invention;
FIG. 4 is a front view of a dynamic seal performance test apparatus according to an embodiment of the present invention rotated 90 degrees;
FIG. 5 is a left side view of the dynamic seal performance test apparatus of an embodiment of the present invention rotated 90 degrees;
Reference numerals: the device comprises a main body frame, a 2-servo motor, a 3-planetary reducer, a 4-first coupler, a 5-rotating speed torque sensor, a 6-second coupler, a 7-angle encoder, an 8-fixed shell, a 9-crossed roller bearing, a 10-second rotating main shaft, a 11-rotating shaft, a 12-cover plate, a 13-static sealing ring, a 14-to-be-tested dynamic sealing piece, a 15-fixed shaft, a 16-mounting bottom plate, a 17-control cabinet, an 18-inflation interface, a 19-temperature sensor, a 20-air pressure sensor, a 21-humidity sensor, a 22-deflation interface, 23-leveling casters, a 24-first support, a 25-second support and a 26-protection cover.
Detailed Description
Specific embodiments of the present invention will now be described in order to provide a clearer understanding of the technical features, objects and effects of the present invention. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
The embodiment provides a dynamic seal piece performance test detection device applied to laser emission channel sealing, which comprises a basic frame, a servo driving mechanism, a data acquisition sensor component, a rotating base component, a sealing test component, a first coupler 4, a second coupler 6, an angle encoder 7, a control cabinet 17, an inflation interface 18, a deflation interface 22, a first support 24, a second support 25 and a protection cover 26, wherein:
The foundation frame comprises a main body frame 1, a mounting bottom plate 16 and a plurality of leveling casters 23, wherein the mounting bottom plate 16 is arranged on the main body frame 1and used as a mounting reference, the leveling casters 23 are arranged on the bottom surface and the side surface of the main body frame 1, so that the foundation frame is convenient to move when rotating by 90 degrees to change states, the performance test of the dynamic seal 14 to be tested in two states of horizontal mounting and vertical mounting is convenient to realize, and the actual working condition of the dynamic seal 14 to be tested mounted on equipment can be reproduced to the greatest extent.
The servo driving mechanism is arranged on the mounting bottom plate 16 through a first support 24 and comprises a servo motor 2 and a planetary reducer 3, the servo motor 2 is electrically connected with a control cabinet, and the planetary reducer 3 is connected with a rotating speed torque sensor 5 of the data acquisition sensor assembly through a first coupling 4. The output torque can be regulated by the servo motor 2 through a driving system according to the load, the planetary speed reducer 3 can reduce the output rotating speed, improve the output torque, overcome the dynamic sealing friction torque of the sealing ring within a certain specification range, and simultaneously reduce the requirement on the output torque of the motor, and the whole size is small and the weight is light.
The data acquisition sensor assembly comprises a rotating speed torque sensor 5, a temperature sensor 19, an air pressure sensor 20 and a humidity sensor 21, wherein the rotating speed torque sensor 5 is used for acquiring friction torque values before and after the movement of the dynamic seal piece 14 to be detected, providing detailed friction interference data for the movement control of the laser emission equipment, providing data for an optimization control algorithm and improving the precision of the movement control. Specifically, the rotational speed torque sensor 5 is disposed on the mounting base plate 16 through the second support 25, one end of a rotating shaft of the rotational speed torque sensor 5 is connected with an output shaft of the servo driving mechanism through the first coupling 4, and the other end of the rotating shaft of the rotational speed torque sensor 5 is connected with the rotating shaft 11 of the seal testing assembly through the second coupling 6 and the rotating main shaft 10 of the rotating base assembly in sequence, so that the rotating shaft 11 can be driven to rotate through the servo driving mechanism, and the rotational speed and the torque value during the motion are sensed through the rotational speed torque sensor 5. In addition, the temperature sensor 19, the air pressure sensor 20 and the humidity sensor 21 are arranged on the fixed shaft 15 of the sealing test assembly and are used for collecting the dynamic tightness of the dynamic sealing element 14 to be tested, so that whether the tightness of the dynamic sealing element 14 to be tested meets the sealing requirement of the laser emission channel or not is estimated in advance.
The rotating base assembly comprises a fixed housing 8, a crossed roller bearing 9 and a rotating main shaft 10, wherein the crossed roller bearing 9 is arranged on the rotating main shaft 10 and is connected with the fixed housing 8.
The seal testing assembly comprises a rotating shaft 11, a cover plate 12, a static sealing ring 13, a to-be-tested movable sealing member 14 and a fixed shaft 15, wherein the rotating shaft 11 is connected with a rotating main shaft 10 of the rotating base assembly, the cover plate 12 is arranged on the outer side end face of the fixed shaft 15, the static sealing ring 13 is arranged between the cover plate 12 of the to-be-tested movable sealing member and the fixed shaft 15, the to-be-tested movable sealing member 14 can be a sealing ring, and the fixed shaft 15 is connected with a fixed shell 8 of the rotating base assembly. The seal test assembly can be matched and designed and replaced according to the form and the structural size of the actually selected dynamic seal 14 to be tested, can test the dynamic seal 14 to be tested with the diameter not more than 1000mm, and can test the dynamic seal 14 to be tested in various sealing forms including labyrinth seal, mechanical seal, rubber seal, magnetic fluid seal and the like, and has strong universality.
The control cabinet is arranged in the base frame, and realizes drive control and data acquisition of the servo driving mechanism under the control of the upper computer. The angle encoder 7 is arranged on a rotary main shaft 10 of the rotary base assembly and is matched with the servo driving mechanism to complete closed-loop control of rotary motion.
The inflation interface 18 and the deflation interface 22 are arranged on the fixed shaft 15 of the sealing test assembly and are used for inflating and deflating to test the tightness of the dynamic sealing element 14 to be tested.
The protection cover 26 is arranged on the mounting bottom plate 16, and the protection cover 26 is made of transparent PVC material, so that the test state can be observed, and the safety during the test is ensured.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the present invention, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Claims (8)
1. The dynamic seal performance test detection device for sealing the laser emission channel is characterized by comprising a servo driving mechanism, a data acquisition sensor assembly, a rotating base assembly, a seal test assembly, a first coupler (4), a second coupler (6), a first support (24), a second support (25), a base frame and a control cabinet (17);
The data acquisition sensor assembly comprises a rotating speed torque sensor (5), a temperature sensor (19), an air pressure sensor (20) and a humidity sensor (21), wherein the rotating speed torque sensor (5) is used for acquiring friction torque values before and after movement of a to-be-detected dynamic sealing element (14), and the temperature sensor (19), the air pressure sensor (20) and the humidity sensor (21) are arranged on a fixed shaft (15) of the sealing test assembly and are used for acquiring dynamic tightness of the to-be-detected dynamic sealing element (14);
The servo driving mechanism is arranged on a mounting base plate (16) through the first support (24), the rotating speed torque sensor (5) is arranged on the mounting base plate (16) through the second support (25), and the mounting base plate (16) is arranged on the basic frame; one end of a rotating shaft of the rotating speed torque sensor (5) is connected with an output shaft of the servo driving mechanism through the first coupler (4), and the other end of the rotating shaft of the rotating speed torque sensor is connected with a rotating shaft (11) of the sealing test assembly through the second coupler (6) and a rotating main shaft (10) of the rotating base assembly in sequence, so that the rotating shaft (11) can be driven to rotate through the servo driving mechanism, and the rotating speed and the torque value during the motion can be sensed through the rotating speed torque sensor (5);
the control cabinet is arranged in the base frame, and the driving control and data acquisition of the servo driving mechanism are realized under the control of the upper computer.
2. The dynamic seal performance test detection device applied to laser emission channel sealing according to claim 1, wherein the servo driving mechanism comprises a servo motor (2) and a planetary reducer (3), the servo motor (2) is electrically connected with the control box, and the planetary reducer (3) is connected with the rotating speed torque sensor (5) through the first coupling (4).
3. The dynamic seal performance test device for laser emission channel sealing according to claim 1, wherein the rotating base assembly comprises a fixed housing (8), a cross roller bearing (9) and the rotating main shaft (10), wherein the cross roller bearing (9) is arranged on the rotating main shaft (10) and is connected with the fixed housing (8).
4. A dynamic seal performance test apparatus for laser emission channel sealing according to claim 3, further comprising an angle encoder (7), wherein the angle encoder (7) is disposed on a rotating spindle (10) of the rotating base assembly, and cooperates with the servo driving mechanism to perform closed loop control of the rotating motion.
5. A dynamic seal member performance test detection device applied to laser emission channel sealing according to claim 3, characterized in that the sealing test assembly comprises a rotating shaft (11), a dynamic seal member cover plate (12) to be tested, a static seal ring (13) and a fixed shaft (15), the rotating shaft (11) is connected with a rotating main shaft (10) of the rotating base assembly, the cover plate (12) is arranged on the outer side end face of the fixed shaft (15), the static seal ring (13) is arranged between the dynamic seal member cover plate (12) to be tested and the fixed shaft (15), and the fixed shaft (15) is connected with a fixed housing (8) of the rotating base assembly.
6. The dynamic seal performance test device for laser emission channel sealing according to claim 5, further comprising an inflation interface (18) and a deflation interface (22), wherein the inflation interface (18) and the deflation interface (22) are disposed on a fixed shaft (15) of the sealing test assembly.
7. The dynamic seal member performance test detection device applied to laser emission channel sealing according to any one of claims 1 to 6, wherein the base frame comprises a main body frame (1), a mounting bottom plate (16) and a plurality of leveling casters (23), the mounting bottom plate (16) is arranged on the main body frame (1) as a mounting reference, the leveling casters (23) are arranged on the bottom surface and the side surface of the main body frame (1), so that the base frame can be conveniently moved when rotated by 90 degrees to change a state, and the performance test of the dynamic seal member (14) to be tested in two states of horizontal mounting and vertical mounting can be conveniently realized.
8. The dynamic seal member performance test detection device applied to sealing of a laser emission channel according to any one of claims 1 to 6, further comprising a protective cover (26), wherein the protective cover (26) is arranged on the mounting base plate (16), and the protective cover (26) is made of a transparent PVC material.
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| CN202111347979.6A CN114061837B (en) | 2021-11-15 | 2021-11-15 | Dynamic sealing member performance test detection device applied to laser emission channel sealing |
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| CN202111347979.6A CN114061837B (en) | 2021-11-15 | 2021-11-15 | Dynamic sealing member performance test detection device applied to laser emission channel sealing |
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| CN114061837A CN114061837A (en) | 2022-02-18 |
| CN114061837B true CN114061837B (en) | 2024-07-02 |
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| CN115265959A (en) * | 2022-07-21 | 2022-11-01 | 广东工业大学 | A magnetic fluid sealing performance testing device |
| CN115824624B (en) * | 2022-11-02 | 2025-06-13 | 中国航空工业集团公司洛阳电光设备研究所 | Device and method for measuring sealing property and friction torque of dynamic sealing ring under high and low temperature environment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111024329A (en) * | 2019-12-28 | 2020-04-17 | 清华大学 | A high-pressure rotary combined seal performance detection and testing device and method |
| CN112709714A (en) * | 2020-12-25 | 2021-04-27 | 上海牟迪通用设备有限公司 | Fan aerodynamic performance test system |
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| JP4191910B2 (en) * | 2001-05-07 | 2008-12-03 | 保秀 幸地 | Measuring device and specimen characteristic analysis device |
| CN206221225U (en) * | 2016-11-17 | 2017-06-06 | 绍兴上虞九阳风机有限公司 | A kind of draught fan performance test device |
| JP6408063B1 (en) * | 2017-04-28 | 2018-10-17 | ファナック株式会社 | Machine head spindle failure detection device having a plurality of sensors |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024329A (en) * | 2019-12-28 | 2020-04-17 | 清华大学 | A high-pressure rotary combined seal performance detection and testing device and method |
| CN112709714A (en) * | 2020-12-25 | 2021-04-27 | 上海牟迪通用设备有限公司 | Fan aerodynamic performance test system |
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