CN113759195A - Electromagnetic scattering auxiliary testing device for rotating blade - Google Patents
Electromagnetic scattering auxiliary testing device for rotating blade Download PDFInfo
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- CN113759195A CN113759195A CN202111030274.1A CN202111030274A CN113759195A CN 113759195 A CN113759195 A CN 113759195A CN 202111030274 A CN202111030274 A CN 202111030274A CN 113759195 A CN113759195 A CN 113759195A
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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
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
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Abstract
The invention discloses an electromagnetic scattering auxiliary testing device for a rotating blade, which comprises a testing table, wherein a water tank is arranged on the surface of the testing table, a sliding assembly and an electromagnetic scattering signal detection probe sliding on the sliding assembly are arranged on the left side surface of the water tank, a wave making module is arranged on the right side surface of the water tank, and a rotating table is fixedly arranged on the upper surface of the testing table and positioned on the right side of the water tank. The utility model provides an electromagnetic scattering auxiliary test device for rotating vane, drive rotating vane at fixed subassembly and rotate the round back at the X0Y plane, meshing bevel gear, the support frame, fixed subassembly and rotating vane rotate certain angle at X0Z, with whole journey simulation rotating vane dive process, the electromagnetic scattering signal detection probe on slip subassembly surface detects the electromagnetic radiation signal, the marine stormy wave environment of accurate simulation simultaneously, verify the influence of marine stormy wave environment to the test result, the simulation degree is high, detect comprehensively and accurate and the few advantage of electromagnetic interference factor.
Description
Technical Field
The invention relates to the field of electromagnetic scattering tests, in particular to an electromagnetic scattering auxiliary test device for a rotating blade.
Background
The electromagnetic radiation characteristic test of the device is the key for verifying the stealth effect of the device, and is particularly important in the military field, under the background, when the marine armed helicopter attacks a sea surface (seabed) target, the ultra-low altitude flight is required, the ultra-low altitude flight is lifted for the dive attack, the rotating blade of the armed helicopter is exposed in the radar radiation of enemies during the dive attack, and the probability of the armed helicopter being discovered by enemy radars is increased, so that an electromagnetic scattering auxiliary test device for the rotating blade is required to test the multi-angle electromagnetic radiation characteristic of the rotating blade, meanwhile, the controllability of the external field actual measurement of the electromagnetic scattering of the sea surface target is poor, the cost is huge, the requirement of a large amount of tests cannot be met, and the high sea situation test is more severe and difficult to develop due to the fact that the condition is worse, a sea clutter simulation system in a laboratory is utilized, and an artificial wave mode is adopted, however, this method needs a large amount of electronic equipment, and increases the test cost and the interfering electromagnetic environment, so that the conventional equipment cannot perform a full-range simulation on the pitching process of the rotating blade, resulting in a poor test effect.
Disclosure of Invention
The invention mainly aims to provide an electromagnetic scattering auxiliary testing device for a rotating blade, which is characterized in that a rotating blade to be tested is fixed in a fixed frame, a spring transmission module is rotated to drive the spring transmission module to drive a single-tooth gear, a wire coil, the fixed frame and the rotating blade to integrally rotate, the fixed frame drives the rotating blade to rotate, simultaneously, the single-tooth gear is meshed with a meshing bevel gear on the side surface of a supporting frame for transmission, so that a back gear on the back surface of the meshing bevel gear is driven to slide on the surface of a transmission rack, after the fixed assembly drives the rotating blade to rotate for one circle on an X0Y plane, the meshing bevel gear, the supporting frame, a fixed assembly and the rotating blade rotate for a certain angle at X0Z, the pitching process of the rotating blade is simulated in the whole course, an electromagnetic scattering signal detection probe on the surface of a sliding assembly detects electromagnetic radiation signals, and the electromagnetic scattering signal detection probe has high simulation degree, The detection is comprehensive and accurate and the electromagnetic interference factors are few; the wave making module is installed on the side face of the water tank, the clockwork spring transmission module drives the fixed frame and the rotary blade to integrally rotate, and simultaneously drives the wire coil on the surface of the connecting rod to rotate, the wire coil is fixedly connected with the pull ring at the upper end of the push plate through a steel wire rope, the wire coil rotates to pull the push plate and the wave plate to integrally ascend, so that the connecting cone body slides on the surface of the wave plate under the action of the fastening spring, the wave making module integrally swings left and right, the arc-shaped push plate on the side face of the wave making module is wavy, water in the water tank is pushed to form waves, the marine storm environment is accurately simulated, the influence of the marine storm environment on a test result is verified, and the wave making module has the remarkable advantages of low test cost, few electromagnetic interference factors, accurate test and improved simulation effect, and can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that: the object to be protected of the present invention is an electromagnetic scattering auxiliary test device for a rotating blade.
An electromagnetic scattering auxiliary testing device for a rotating blade comprises a testing table, wherein the surface of the testing table is provided with a water tank, the left side surface of the water tank is provided with a sliding component and an electromagnetic scattering signal detection probe sliding on the sliding component, the right side surface of the water tank is provided with a wave making module, the upper surface of the test platform and the right side of the water tank are fixedly provided with a rotating platform, the upper end of the rotating table is rotatably connected with an engaging bevel gear, the middle part of the engaging bevel gear is provided with a supporting frame, the middle part of the supporting frame is provided with a fixing component, the bottom of the fixing component is provided with a spring transmission module, thus, the radiation generated by the driving of other electronic instruments is reduced by the transmission of the spring transmission module which drives the fixed component to rotate, the rotation of the fixed assembly drives the meshing bevel gear to rotate, and the rotation of the fixed assembly drives the wave making module to shake in the water tank.
The invention further improves the structure that the fixing assembly comprises a connecting rod, the spring transmission module is installed at the bottom of the connecting rod, an arc-shaped sliding plate is installed on the side face of the connecting rod, a fixing frame is fixedly installed at the end part of the upper end of the connecting rod, a fixing bolt is installed on the side face of the fixing frame, a fastening piece is installed inside the fixing frame, a single-tooth gear is fixedly installed in the middle of the connecting rod, a wire coil is fixedly installed at the upper part of the connecting rod, the single-tooth gear is in meshing transmission with a meshing bevel gear, a back gear is fixedly installed on one side of the meshing bevel gear, which is back to the supporting frame, a first support is fixedly installed on the inner side of the rotating table, a transmission rack is arranged on the upper surface of the first support, and the transmission rack is in meshing transmission with the back gear.
The structure can realize that: the spiral spring transmission module is rotated, so that the spiral spring transmission module drives the single-tooth gear, the wire coil, the fixing frame and the rotating blade to integrally rotate, the fixing frame drives the rotating blade to rotate, meanwhile, the single-tooth gear is in meshing transmission with the meshing bevel gear on the side face of the supporting frame, so that the back gear on the back face of the meshing bevel gear is driven to slide on the surface of the transmission rack, after the fixing assembly drives the rotating blade to rotate for a circle on the X0Y plane, the meshing bevel gear, the supporting frame, the fixing assembly and the rotating blade rotate for a certain angle at X0Z, and the diving process of the rotating blade is simulated in the whole process.
The invention is further improved in that a limiting sliding groove is formed in the upper surface of the test platform and located between the water tank and the rotating platform, a pushing plate is connected to the inside of the limiting sliding groove in a sliding mode, a wavy plate is fixedly installed on one side, facing the water tank, of the pushing plate, a pull ring is fixedly installed at the upper end of the pushing plate, and the pull ring is fixedly connected with a wire coil through a connecting steel wire.
The structure can realize that: therefore, the clockwork spring transmission module drives the fixed frame and the rotary blade to integrally rotate, and simultaneously drives the wire coil on the surface of the connecting rod to rotate, the wire coil is fixedly connected with the pull ring at the upper end of the push plate through a steel wire rope, and the wire coil rotates to pull the push plate and the wave plate to integrally ascend.
The invention has the further improvement that a limiting inner cavity is formed in the side surface of the limiting sliding groove, an arc-shaped push plate is fixedly installed on one side, back to the push plate, of the wave making die, a connecting plate is fixedly installed on one side, back to the arc-shaped push plate, of the wave making die, a push rod is fixedly installed on one side, back to the wave making die, of the connecting plate, a connecting cone is fixedly installed at one end, back to the connecting plate, of the push rod, and the connecting cone slides on the surface of the wave making plate.
The structure can realize that: connect the centrum like this and slide on the surface of wave board and drive and make the whole horizontal hunting of unrestrained module, the arc push pedal of making unrestrained module side is wavy, promotes the formation wave to the inside water of basin to accurately simulate marine stormy wave environment.
The invention has the further improvement that a fastening spring is fixedly arranged at the inner bottom of the limiting inner cavity, and the other end of the fastening spring is fixedly connected with one side of the connecting cone body, which is far away from the pull ring.
The structure can realize that: therefore, the connecting cone body can always slide on the surface of the wave plate under the action of the fastening spring.
The middle of the support frame is provided with a limiting sleeve, the middle of the connecting rod is movably sleeved with the limiting sleeve, a limiting component is arranged on the upper surface of the test board and inside the rotating table and comprises a second bracket, the upper end of the second bracket is fixedly provided with an arc-shaped slide way, the middle of the arc-shaped slide way is provided with an arc-shaped sliding groove, and the arc-shaped sliding plate slides inside the arc-shaped slide way.
The structure can realize that: the middle part and the bottom of the fixing assembly are stably fixed and limited, and the deviation is prevented from occurring in the working process, so that the equipment is prevented from being damaged.
The invention has the further improvement that a conical reflector is fixedly arranged on the side surface of the test bench, and a wave-absorbing material is coated on the surface of the conical reflector.
The structure can realize that: the radiation generated by an external instrument is quickly reflected and absorbed by coating the wave-absorbing material on the surface of the conical reflector, so that the interference of external electromagnetic signals to the test is avoided.
The invention further improves an electromagnetic scattering auxiliary testing device for a rotating blade, and comprises the following steps:
a: the device is placed on a horizontal ground, a rotating shaft at the bottom of a rotating blade to be tested is installed in a fixing frame, a fixing bolt is rotated to enable a fastener to fix the rotating blade, saline water is injected into a water tank, an electromagnetic scattering signal detection probe slides in a sliding assembly, and a spring transmission module is rotated to enable the spring transmission module to drive a single-tooth gear, a wire coil, the fixing frame and the rotating blade to integrally rotate;
b: when the step A is completed, the fixed frame drives the rotating blade to rotate, and simultaneously, the single-tooth gear is meshed with the meshing bevel gear on the side surface of the supporting frame for transmission, so that the back gear on the back surface of the meshing bevel gear is driven to slide on the surface of the transmission rack, after the fixed assembly drives the rotating blade to rotate for one circle on the X0Y plane, the meshing bevel gear, the supporting frame, the fixed assembly and the rotating blade rotate for a certain angle at X0Z, the diving process of the rotating blade is simulated in the whole process, and the electromagnetic scattering signal detection probe on the surface of the sliding assembly detects an electromagnetic radiation signal;
c: when the step B is completed, the spring transmission module drives the fixed frame and the rotating blade to integrally rotate, and simultaneously drives the wire coil on the surface of the connecting rod to rotate, the wire coil is fixedly connected with the pull ring at the upper end of the push plate through a steel wire rope, the wire coil rotates to pull the push plate and the wave plate to integrally ascend, so that the connecting cone body slides on the surface of the wave plate under the action of the fastening spring, the wave making module integrally swings left and right, the arc-shaped push plate on the side surface of the wave making module is wavy, water in the water tank is pushed to form waves, and the sea wave environment is accurately simulated;
d: after the step C is completed, the rotary blade is detached from the fixed assembly after the inspection is completed.
Compared with the prior art, the invention fixes the rotating blade to be tested in the fixed frame, rotates the spring transmission module, so that the spring transmission module drives the single-tooth gear, the wire coil, the fixed frame and the rotating blade to integrally rotate, and the fixed frame drives the rotating blade to rotate, because the single-tooth gear is meshed with the meshing bevel gear on the side surface of the support frame for transmission, the back gear on the back surface of the meshing bevel gear is driven to slide on the surface of the transmission rack, after the fixed component drives the rotating blade to rotate for a circle on the X0Y plane, the meshing bevel gear, the support frame, the fixed component and the rotating blade rotate for a certain angle on the X0Z plane, with whole process simulation rotating vane dive process, the electromagnetic scattering signal detection probe on slip subassembly surface detects the electromagnetic radiation signal, has that the simulation degree is high, detects comprehensively and accurate and the few advantage of electromagnetic interference factor.
Compared with the prior art, the wave making module is arranged on the side surface of the water tank, the clockwork spring transmission module drives the wire coil on the surface of the connecting rod to rotate while driving the whole body formed by the fixed frame and the rotating blade to rotate, the wire coil is fixedly connected with the pull ring at the upper end of the push plate through the steel wire rope, the wire coil rotates to pull the push plate and the wave plate to integrally ascend, so that the connecting cone body slides on the surface of the wave plate under the action of the fastening spring, the wave making module integrally swings left and right, the arc-shaped push plate on the side surface of the wave making module is wavy, water in the water tank is pushed to form waves, the marine wind wave environment is accurately simulated, the influence of the marine wind wave environment on a test result is verified, and the wave making module has the remarkable advantages of low test cost, few electromagnetic interference factors, accurate test and improved simulation effect.
Drawings
FIG. 1 is a schematic diagram of an electromagnetic scattering auxiliary testing device for a rotating blade according to the present invention.
FIG. 2 is a schematic connection diagram of a fixing assembly, a limiting assembly and a rotating table of the electromagnetic scattering auxiliary testing device for the rotating blade of the present invention.
FIG. 3 is a schematic diagram of the overall structure of a fixing assembly of an electromagnetic scattering auxiliary testing device for a rotating blade according to the present invention.
FIG. 4 is a schematic view of the connection between the supporting frame and the meshing bevel gear of the electromagnetic scattering auxiliary testing device for the rotating blade of the invention.
FIG. 5 is a schematic view of the connection of the meshing bevel gear and the back gear of the electromagnetic scattering auxiliary testing device for the rotating blade.
FIG. 6 is a schematic structural diagram of a push plate of an electromagnetic scattering auxiliary testing device for a rotating blade according to the present invention.
Fig. 7 is an overall schematic diagram of a wave-making module of the electromagnetic scattering auxiliary testing device for the rotating blade of the invention.
FIG. 8 is an internal view of a testing table of an electromagnetic scattering auxiliary testing device for a rotary blade according to the present invention.
In the figure: 1. a test bench; 2. a conical reflector; 3. a water tank; 4. a wave making module; 5. a sliding assembly; 6. an electromagnetic scattering signal detection probe; 7. a push plate; 8. a fixing assembly; 9. a limiting component; 10. a rotating table; 11. a first bracket; 12. a drive rack; 13. a support frame; 14. a limiting sleeve; 15. meshing the bevel gears; 16. a back gear; 17. a pull ring; 18. a wave plate; 19. a limiting inner cavity; 20. a limiting chute; 21. a fastening spring; 401. an arc-shaped push plate; 402. a connecting plate; 403. a push rod; 404. connecting vertebral bodies; 801. a spring drive module; 802. a connecting rod; 803. an arc-shaped sliding plate; 804. a single-tooth gear; 805. wire coils; 806. a fixed mount; 807. a fastener; 808. fixing the bolt; 901. a second bracket; 902. an arc-shaped slideway; 903. an arc chute.
Detailed Description
In order to make the technical means, the original characteristics, the achieved objects and the functions of the present invention easy to understand, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or the positional relationship based on the orientation or the positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The invention will be further illustrated with reference to specific embodiments.
Example 1
As shown in fig. 1-5, an electromagnetic scattering auxiliary testing device for a rotating blade comprises a testing table (1), a water tank (3) is arranged on the surface of the testing table (1), a sliding component (5) and an electromagnetic scattering signal detection probe (6) sliding on the sliding component (5) are mounted on the left side surface of the water tank (3), a wave making module (4) is arranged on the right side surface of the water tank (3), a rotating table (10) is fixedly mounted on the upper surface of the testing table (1) and positioned on the right side of the water tank (3), the upper end of the rotating table (10) is rotatably connected with a meshing bevel gear (15), a supporting frame (13) is arranged in the middle of the meshing bevel gear (15), a fixing component (8) is arranged in the middle of the supporting frame (13), a spring transmission module (801) is mounted at the bottom of the fixing component (8), and the spring transmission module (801) drives the spring fixing component (8) to rotate, the rotation of the fixed component (8) drives the meshing bevel gear (15) to rotate, and the rotation of the fixed component (8) drives the wave-making module (4) to shake in the water tank (3); the side surface of the test bench (1) is fixedly provided with a conical reflector (2), and the surface of the conical reflector (2) is coated with a wave-absorbing material.
In this embodiment, the fixing assembly (8) comprises a connecting rod (802), a spring transmission module (801) is installed at the bottom of the connecting rod (802), an arc-shaped sliding plate (803) is installed on the side surface of the connecting rod (802), a fixing frame (806) is fixedly installed at the upper end of the connecting rod (802), a fixing bolt (808) is installed on the side surface of the fixing frame (806), a fastening piece (807) is installed inside the fixing frame (806), a single-tooth gear (804) is fixedly installed in the middle of the connecting rod (802), a wire coil (805) is fixedly installed on the upper portion of the connecting rod (802), the single-tooth gear (804) is in meshing transmission with a meshing bevel gear (15), a back gear (16) is fixedly installed on one side of the meshing bevel gear (15) opposite to a support frame (13), a first support (11) is fixedly installed on the inner side of a rotating table (10), and a rack transmission (12) is arranged on the upper surface of the first support (11), the transmission rack (12) is in meshed transmission with the back gear (16).
In this embodiment, the mid-mounting of support frame (13) has stop collar (14), the middle part and the stop collar (14) activity of connecting rod (802) are cup jointed, the upper surface of testboard (1) and the internally mounted who is located to rotate platform (10) have spacing subassembly (9), spacing subassembly (9) are including No. two supports (901), the upper end fixed mounting of No. two supports (901) has arc slide (902), arc spout (903) have been seted up at the middle part of arc slide (902), arc slide (803) slide in the inside of arc spout (903).
The embodiment can realize that: the rotating blade to be tested is fixed inside a fixed frame (806), a spring transmission module (801) is rotated, so that the spring transmission module (801) drives a single-tooth gear (804), a wire coil (805), the fixed frame (806) and the rotating blade to integrally rotate, the fixed frame (806) drives the rotating blade to rotate, simultaneously, the single-tooth gear (804) is meshed with a meshing bevel gear (15) on the side surface of a support frame (13) for transmission, so that a back gear (16) on the back surface of the meshing bevel gear (15) is driven to slide on the surface of a transmission rack (12), after the fixed assembly (8) drives the rotating blade to rotate for one circle on an X0Y plane, the meshing bevel gear (15), the support frame (13), the fixed assembly (8) and the rotating blade rotate for a certain angle on an X0Z plane, the diving process of the rotating blade is simulated in the whole process, and an electromagnetic scattering signal detection probe (6) on the surface of a sliding assembly (5) detects an electromagnetic radiation signal, the method has the advantages of high simulation degree, comprehensive and accurate detection and few electromagnetic interference factors.
Example 2
As shown in fig. 1-8, an electromagnetic scattering auxiliary testing device for a rotating blade, comprises a testing table (1), a water tank (3) is arranged on the surface of the testing table (1), a sliding component (5) and an electromagnetic scattering signal detection probe (6) sliding on the sliding component (5) are installed on the left side surface of the water tank (3), a wave making module (4) is arranged on the right side surface of the water tank (3), a rotating table (10) is fixedly installed on the upper surface of the testing table (1) and positioned on the right side of the water tank (3), an engaging bevel gear (15) is rotatably connected to the upper end of the rotating table (10), a supporting frame (13) is arranged in the middle of the engaging bevel gear (15), a fixing component (8) is arranged in the middle of the supporting frame (13), a spring transmission module (801) is installed at the bottom of the fixing component (8), the clockwork spring transmission module (801) drives the fixing component (8) to rotate, the rotation of the fixing component (8) drives the meshing bevel gear (15) to rotate, and the rotation of the fixing component (8) drives the wave making module (4) to shake in the water tank (3); the side surface of the test bench (1) is fixedly provided with a conical reflector (2), and the surface of the conical reflector (2) is coated with a wave-absorbing material.
In this embodiment, the fixing assembly (8) comprises a connecting rod (802), a spring transmission module (801) is installed at the bottom of the connecting rod (802), an arc-shaped sliding plate (803) is installed on the side surface of the connecting rod (802), a fixing frame (806) is fixedly installed at the upper end of the connecting rod (802), a fixing bolt (808) is installed on the side surface of the fixing frame (806), a fastening piece (807) is installed inside the fixing frame (806), a single-tooth gear (804) is fixedly installed in the middle of the connecting rod (802), a wire coil (805) is fixedly installed on the upper portion of the connecting rod (802), the single-tooth gear (804) is in meshing transmission with a meshing bevel gear (15), a back gear (16) is fixedly installed on one side of the meshing bevel gear (15) opposite to a support frame (13), a first support (11) is fixedly installed on the inner side of a rotating table (10), and a rack transmission (12) is arranged on the upper surface of the first support (11), the transmission rack (12) is in meshed transmission with the back gear (16).
In this embodiment, the upper surface of the test bench (1) is located between the water tank (3) and the rotating platform (10) and is provided with a limiting sliding groove (20), the inner sliding connection of the limiting sliding groove (20) is provided with a push plate (7), one side of the push plate (7) facing the water tank (3) is fixedly provided with a wave plate (18), the upper end of the push plate (7) is fixedly provided with a pull ring (17), and the pull ring (17) is fixedly connected with a wire coil (805) through a connecting wire.
In this embodiment, a limiting inner cavity (19) is formed in the side face of the limiting sliding groove (20), an arc-shaped push plate (401) is fixedly mounted on one side of the wave making die, which is back to the push plate (7), a connecting plate (402) is fixedly mounted on one side of the wave making die, which is back to the arc-shaped push plate (401), a push rod (403) is fixedly mounted on one side of the connecting plate (402), which is back to the wave making die, a connecting cone (404) is fixedly mounted on one end of the push rod (403), which is back to the connecting plate (402), and the connecting cone (404) slides on the surface of the wave plate (18).
In the embodiment, a fastening spring (21) is fixedly installed at the inner bottom of the limiting inner cavity (19), and the other end of the fastening spring (21) is fixedly connected with one side, far away from the pull ring (17), of the connecting cone body (404).
In this embodiment, the mid-mounting of support frame (13) has stop collar (14), the middle part and the stop collar (14) activity of connecting rod (802) are cup jointed, the upper surface of testboard (1) and the internally mounted who is located to rotate platform (10) have spacing subassembly (9), spacing subassembly (9) are including No. two supports (901), the upper end fixed mounting of No. two supports (901) has arc slide (902), arc spout (903) have been seted up at the middle part of arc slide (902), arc slide (803) slide in the inside of arc spout (903).
The embodiment can realize that: the wave making module (4) is installed on the side face of the water tank (3), the clockwork spring transmission module (801) drives the fixed frame (806) and the rotary blade to rotate integrally and simultaneously drives the wire coil (805) on the surface of the connecting rod (802) to rotate, the wire coil (805) is fixedly connected with the pull ring (17) at the upper end of the push plate (7) through a steel wire rope, the wire coil (805) rotates to pull the push plate (7) and the wave plate (18) to ascend integrally, so that the connecting cone (404) slides on the surface of the wave plate (18) under the action of the fastening spring (21), the wave making module (4) swings left and right integrally, the arc-shaped push plate (401) on the side face of the wave making module (4) is wavy, water in the water tank (3) is pushed to form waves, the marine wave environment is simulated accurately, the influence of the marine wave environment on a test result is verified, and the wave making module has the advantages of low test cost, Few electromagnetic interference factors, accurate test and improvement of simulation effect.
When the device is used, firstly, the device is placed on a horizontal ground, a rotating shaft at the bottom of the rotating blade to be tested is installed in a fixing frame (806), a fixing bolt (808) is rotated to enable a fastener (807) to fix the rotating blade, saline is injected into a water tank (3), an electromagnetic scattering signal detection probe (6) slides in a sliding assembly (5), a spring transmission module (801) is rotated to enable the spring transmission module (801) to drive the single-tooth gear (804), a wire coil (805), the fixing frame (806) and the rotating blade to integrally rotate, secondly, the fixing frame (806) drives the rotating blade to rotate, and simultaneously, the single-tooth gear (804) is meshed with a meshing bevel gear (15) on the side surface of a supporting frame (13) for transmission, thereby driving a back gear (16) at the back of the meshing bevel gear (15) to slide on the surface of the transmission rack (12), after the fixed component (8) drives the rotating blade to rotate for a circle on the X0Y plane, the meshing bevel gear (15), the support frame (13), the fixed component (8) and the rotating blade rotate for a certain angle on the X0Z to simulate the diving process of the rotating blade in the whole process, an electromagnetic scattering signal detection probe (6) at the surface of the sliding component (5) detects an electromagnetic radiation signal, then a spiral spring transmission module (801) drives a wire coil (805) at the surface of the connecting rod (802) to rotate while driving the whole formed by the fixed frame (806) and the rotating blade to rotate, the wire coil (805) is fixedly connected with a pull ring (17) at the upper end of the push plate (7) through a steel wire rope, the wire coil (805) rotates to pull the push plate (7) and the wave plate (18) to integrally lift, thereby make and connect centrum (404) and slide on the surface of wave board (18) under fastening spring's (21) effect to make the whole horizontal hunting of wave making module (4), arc push pedal (401) of wave making module (4) side are wavy, promote the formation wave to the water of basin (3) inside, with accurate simulation marine stormy wave environment, at last, detect the back of accomplishing, dismantle rotary blade from fixed subassembly (8).
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an electromagnetism scattering auxiliary test device for rotating vane, includes the testboard, the basin, its characterized in that have been seted up on the surface of testboard: the electromagnetic scattering signal detection device is characterized in that a sliding assembly and an electromagnetic scattering signal detection probe sliding on the sliding assembly are installed on the left side face of the water tank, a wave making module is arranged on the right side face of the water tank, a rotating table is fixedly installed on the right side of the water tank on the upper surface of the test table, a meshing bevel gear is rotatably connected to the upper end of the rotating table, a support frame is arranged in the middle of the meshing bevel gear, a fixing assembly is arranged in the middle of the support frame, a spring transmission module is installed at the bottom of the fixing assembly and drives the fixing assembly to rotate, the fixing assembly rotates to drive the meshing bevel gear to rotate, and the fixing assembly rotates to drive the wave making module to rock inside the water tank.
2. An electromagnetic scattering assisted test apparatus for a rotating blade according to claim 1, wherein: the fixed subassembly includes the connecting rod, the spring drive module is installed in the bottom of connecting rod, the side-mounting of connecting rod has the arc slide, the upper end tip fixed mounting of connecting rod has the mount, the side-mounting of mount has fixing bolt, the internally mounted of mount has the fastener, the middle part fixed mounting of connecting rod has the monodentate gear, the upper portion fixed mounting of connecting rod has the drum, monodentate gear and meshing bevel gear meshing transmission, one side fixed mounting that meshing bevel gear's back is to the support frame has back gear, the inboard fixed mounting of revolving stage has a support No. one, the upper surface of a support is provided with driving rack, driving rack and back gear meshing transmission.
3. An electromagnetic scattering assisted test apparatus for a rotating blade according to claim 1, wherein: the test table is characterized in that a limiting sliding groove is formed in the upper surface of the test table and is located between the water channel and the rotating table, a pushing plate is connected to the inside of the limiting sliding groove in a sliding mode, a wave plate is fixedly installed on one side, facing the water channel, of the pushing plate, a pull ring is fixedly installed at the upper end of the pushing plate, and the pull ring is fixedly connected with a wire coil through a connecting steel wire.
4. An electromagnetic scattering assisted test apparatus for a rotating blade according to claim 3, wherein: the side of spacing spout has seted up spacing inner chamber, the one side fixed mounting that makes unrestrained mould back to the slurcam has the arc push pedal, the one side fixed mounting that makes unrestrained mould back to the arc push pedal has the connecting plate, the one side fixed mounting that makes unrestrained mould back to of connecting plate has the catch bar, the one end fixed mounting that the catch bar back to the connecting plate has the connection centrum, connect the centrum at the surperficial slip of wave board.
5. An electromagnetic scattering assisted test apparatus for a rotating blade according to claim 4, wherein: and a fastening spring is fixedly mounted at the inner bottom of the limiting inner cavity, and the other end of the fastening spring is fixedly connected with one side of the connecting cone body, which is far away from the pull ring.
6. An electromagnetic scattering assisted test apparatus for a rotating blade according to claim 1, wherein: the utility model discloses a test bench, including the support frame, the middle part of support frame has the stop collar, the middle part of connecting rod cup joints with the stop collar activity, the upper surface of testboard and the internally mounted who is located the rotation platform have spacing subassembly, spacing subassembly includes No. two supports, the upper end fixed mounting of No. two supports has the arc slide, the arc spout has been seted up at the middle part of arc slide, the arc slide slides in the inside of arc spout.
7. An electromagnetic scattering assisted test apparatus for a rotating blade according to claim 1, wherein: the side surface of the test board is fixedly provided with a conical reflector, and the surface of the conical reflector is coated with a wave-absorbing material.
8. An electromagnetic scattering assisted test apparatus for a rotating blade according to any one of claims 1 to 7, wherein: the use steps are as follows:
a: the device is placed on a horizontal ground, a rotating shaft at the bottom of a rotating blade to be tested is installed in a fixing frame, a fixing bolt is rotated to enable a fastener to fix the rotating blade, saline water is injected into a water tank, an electromagnetic scattering signal detection probe slides in a sliding assembly, and a spring transmission module is rotated to enable the spring transmission module to drive a single-tooth gear, a wire coil, the fixing frame and the rotating blade to integrally rotate;
b: when the step A is completed, the fixed frame drives the rotating blade to rotate, and simultaneously, the single-tooth gear is meshed with the meshing bevel gear on the side surface of the supporting frame for transmission, so that the back gear on the back surface of the meshing bevel gear is driven to slide on the surface of the transmission rack, after the fixed assembly drives the rotating blade to rotate for one circle on the X0Y plane, the meshing bevel gear, the supporting frame, the fixed assembly and the rotating blade rotate for a certain angle at X0Z, the diving process of the rotating blade is simulated in the whole process, and the electromagnetic scattering signal detection probe on the surface of the sliding assembly detects an electromagnetic radiation signal;
c: when the step B is completed, the spring transmission module drives the fixed frame and the rotating blade to integrally rotate, and simultaneously drives the wire coil on the surface of the connecting rod to rotate, the wire coil is fixedly connected with the pull ring at the upper end of the push plate through a steel wire rope, the wire coil rotates to pull the push plate and the wave plate to integrally ascend, so that the connecting cone body slides on the surface of the wave plate under the action of the fastening spring, the wave making module integrally swings left and right, the arc-shaped push plate on the side surface of the wave making module is wavy, water in the water tank is pushed to form waves, and the sea wave environment is accurately simulated;
d: after the step C is completed, the rotary blade is detached from the fixed assembly after the inspection is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111030274.1A CN113759195A (en) | 2021-09-03 | 2021-09-03 | Electromagnetic scattering auxiliary testing device for rotating blade |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111030274.1A CN113759195A (en) | 2021-09-03 | 2021-09-03 | Electromagnetic scattering auxiliary testing device for rotating blade |
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| CN113759195A true CN113759195A (en) | 2021-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674998A (en) * | 2022-03-07 | 2022-06-28 | 钟凯 | Nondestructive testing device for hardware products |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674998A (en) * | 2022-03-07 | 2022-06-28 | 钟凯 | Nondestructive testing device for hardware products |
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Application publication date: 20211207 |