CN113606282B - Aviation large-size magnetic sensor coil vibration reduction pod device capable of being quickly disassembled and assembled - Google Patents
Aviation large-size magnetic sensor coil vibration reduction pod device capable of being quickly disassembled and assembled Download PDFInfo
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- CN113606282B CN113606282B CN202110835108.2A CN202110835108A CN113606282B CN 113606282 B CN113606282 B CN 113606282B CN 202110835108 A CN202110835108 A CN 202110835108A CN 113606282 B CN113606282 B CN 113606282B
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- 238000013016 damping Methods 0.000 claims abstract description 64
- 239000000463 material Substances 0.000 claims abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000004677 Nylon Substances 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims abstract description 4
- 229920001778 nylon Polymers 0.000 claims abstract description 4
- 239000004411 aluminium Substances 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 4
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 229920002530 polyetherether ketone Polymers 0.000 claims description 3
- 229920006324 polyoxymethylene Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 229930040373 Paraformaldehyde Natural products 0.000 claims 1
- -1 polyoxymethylene Polymers 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
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- Aviation & Aerospace Engineering (AREA)
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a vibration reduction pod device of an aviation large-size magnetic sensor coil, which can be quickly assembled and disassembled, wherein the vibration reduction pod comprises a plurality of sections of straight pipes, a plurality of sections of bent pipes, a cable positioning protection ring and screws; the straight pipes and the bent pipes are alternately connected in series to form an overall polygonal pod structure; the rope location protection ring sets up on the return bend, for loop configuration, is provided with the annular groove for fixed hanger cable adopts the nylon materials to make, and the damping nacelle adopts the removable cover tubular construction of sectional type, straight tube and return bend both ends design cup joint structure, the terminal bore in straight tube left side is greater than the return bend right side for the return bend right side end can be embedded in the straight tube left side end, the left bore of return bend is greater than the straight tube right side end, makes the straight tube right side end can imbed in the return bend left side end, and straight tube and return bend left and right sides end all reserve the rivet hole and contain built-in screw thread fastening aluminium strip, assembles into complete polygon magnetic sensor coil nacelle device with many straight tubes and return bend.
Description
Technical Field
The invention relates to the field of geophysical aviation electromagnetic exploration, belongs to a quickly-detachable aviation large-size magnetic sensor coil vibration reduction nacelle device, is mainly used for reducing the influence of structural vibration noise on a magnetic sensor coil in the flight process of an aviation nacelle type large-size electromagnetic receiving system, and can be applied to an aviation nacelle type electromagnetic detection equipment system.
Background
An airborne electromagnetic exploration system is airborne geophysical exploration equipment which realizes geological structure or resource exploration based on the electrical property difference of underground media or target bodies. The system has the characteristics of low cost, high efficiency, good trafficability and the like, and can be used for optimizing the target area of resource detection and quickly evaluating the resource reserves of coverage areas such as surface vegetation, lakes, marshes, deserts and the like.
The high-sensitivity magnetic field sensor is one of the core components of the aeroelectromagnetic exploration system, and is generally developed by designing a large-size coil and installing and fixing the coil in a circular or polygonal pod structure for receiving a primary field signal propagated through air and a secondary field signal generated by the induction of a lower medium under the excitation of the primary field. The airborne electromagnetic exploration system is usually carried on a flying platform such as a fixed-wing airplane and a helicopter, and in order to reduce the influence of power and electronic equipment of the flying platform on signal receiving of a high-sensitivity magnetic sensor coil, the magnetic sensor coil is suspended below the flying platform at a certain distance in a suspension mode to carry out exploration operation.
In the flying operation process, the nacelle can generate certain mechanical vibration due to the reasons of fuselage vibration, airplane speed unevenness, atmospheric airflow change and the like, and the magnetic field signal received by the magnetic sensor coil is greatly influenced. Under the application condition, on one hand, a sensor pod structure with high rigidity is designed and developed to improve the mechanical stability of the pod structure, and on the other hand, a vibration damping device is designed to reduce the influence of vibration of the pod structure on the signal receiving of a coil of a built-in magnetic sensor, so that the motion noise of the pod structure is suppressed, and the aviation electromagnetic data quality is guaranteed.
However, the existing aviation electromagnetic system is not optimized in the design of a damping structure of the nacelle, the magnetic sensor coil is directly fixed on the corresponding supporting device in a hard connection mode, the influence of nacelle vibration on the magnetic sensor coil is not considered, and the magnetic sensor coil is only protected and fixedly supported by filling softer real objects such as sponge in the fixed supporting device in the nacelle, so that the damping effect is poor, the installation is inconvenient, and the field operation efficiency is influenced. In addition, most of the existing pod structures of the aviation electromagnetic system are half-cap types, more half caps and rivets are needed, the installation is inconvenient, the overall strength is not large enough, and the receiving coil with too large size cannot be supported, the basic theory of a noise model of a magnetic sensor is limited, the high magnetic field detection sensitivity of the coil with large size cannot be realized by the receiving coil with small size, and further the technical level and the operation performance of the aviation electromagnetic detection system are influenced.
In summary, the prior art has the following technical defects:
(1) The pod structure of the existing aviation electromagnetic receiving system cannot support a large-size magnetic sensor receiving coil, and the detection sensitivity of the small-size magnetic sensor receiving coil is low, so that the overall operation performance of the aviation electromagnetic detecting system can be influenced;
(2) The receiving coil is in hard connection with the pod supporting and fixing device, so that vibration generated in the flight process is directly transmitted to the receiving coil through the hard connection device, larger motion noise is generated, and the requirement of an aviation electromagnetic method on noise suppression is not met; or the receiving coil is fixed only by filling soft objects such as sponge and the like in the nacelle, so that the fixed supporting and vibration damping effects can be achieved to a certain extent, but the vibration damping effect is very limited, and the requirements of an aviation electromagnetic method on system vibration noise are not met.
(3) The nacelle structure of current aviation electromagnetic receiving system mostly is half the lid type, needs to use more half lid and rivet to come two upper and lower polygon half lid structures to fix, and the installation is inconvenient, can't realize quick assembly disassembly, influences field operation efficiency, and is not portable the transportation.
Disclosure of Invention
Aiming at the application problem of the large-size aviation nacelle type magnetic sensor, the nacelle device capable of realizing quick installation and disassembly of the large-size magnetic sensor and vibration reduction of the sensor is designed, so that the influence of structural vibration noise of an aviation nacelle type electromagnetic system on a magnetic sensor coil in the flying process can be effectively reduced, the technical level and the exploration capability of the aviation electromagnetic system are improved, and meanwhile, the structural stability and the operation simplicity of the system are improved.
The technical scheme of the invention is as follows: a vibration reduction pod device capable of being quickly disassembled and assembled for aviation large-size magnetic sensor coils comprises a plurality of sections of straight pipes, a plurality of sections of bent pipes, a cable positioning protection ring and screws; the straight pipes and the bent pipes are alternately connected in series to form an overall polygonal pod structure;
the cable positioning protection ring is arranged on the bent pipe, is of an annular structure, is provided with an annular groove, is used for fixing the hanging cable and is made of a nylon material;
the damping nacelle adopts the removable cover tubular construction of sectional type, straight tube and return bend both ends design cup joint structure, and the terminal bore in straight tube left side is greater than the return bend right side for return bend right side end can imbed in the straight tube left side end, and the left bore of return bend is greater than the straight tube right side end, makes the terminal bore in straight tube right side can imbed return bend left side end, and straight tube and return bend left and right sides end all reserves the rivet hole and contains built-in screw thread fastening aluminium strip, so cup joints the installation through the tube-shape and combines rivet reinforced mode can assemble into complete polygon magnetic sensor coil nacelle device with many straight tubes and return bends.
Further, the tubular pod structure formed by the straight tube and the bent tube is a main rigid support of the magnetic sensor coil and is made of glass fiber.
Furthermore, the whole pod structure is a regular polygon, the inner angle of the elbow is in an obtuse angle shape, the angle of the inner angle is related to the number of the sides of the polygon, the inner angle and the formula of the polygon are met, the inner angle of the elbow is 180 x (n-2)/n, and n is the number of the sides of the regular polygon.
Further, the damping device in the tubular nacelle structure comprises a semi-circular arc-shaped damping bracket, a semi-circular arc-shaped damping sponge, a rubber band and a rubber band fixing clamp ring; the semicircular arc-shaped vibration reduction supports comprise a straight pipe right side vibration reduction support, a straight pipe left side vibration reduction support and a bent pipe right side vibration reduction support; the semi-arc vibration-damping sponge comprises a straight pipe right side vibration-damping sponge, a straight pipe left side vibration-damping sponge and a bent pipe right side vibration-damping sponge;
furthermore, the semi-arc vibration reduction bracket and the semi-arc vibration reduction sponge matched with the semi-arc vibration reduction bracket are complementary in shape, the semi-arc vibration reduction sponge is buckled above the corresponding vibration reduction bracket to fix the vibration reduction bracket, and the semi-arc vibration reduction sponge and the vibration reduction bracket are combined into a whole to be cylindrical and are arranged in the tubular hanging cabin.
Furthermore, the screw is used for fixing the straight pipe and the bent pipe and is made of non-magnetic materials.
Furthermore, the rubber band fixing clamp ring is in a large semicircular arc shape, a plurality of protruding parts are installed on two sides of the end face of the rubber band fixing clamp ring, the rubber band fixing clamp ring is fixed on the inner wall of the semicircular arc-shaped vibration reduction support, and the two groups of rubber bands are mutually fixed on the protruding parts of the rubber band fixing clamp ring in an intersecting mode and are X-shaped, used for supporting the magnetic sensor coil and playing a vibration reduction role.
Furthermore, the cable positioning protection ring, the damping pod device sleeve and the internal damping support groove are replaced by non-metal materials, including one of polyformaldehyde, ABS, PEEK and PVC.
Has the beneficial effects that:
(1) The vibration reduction nacelle device is suitable for a large-size sensor receiving coil, effectively solves the problem of low sensitivity of a small-size receiving coil, and improves the overall performance of an aviation electromagnetic system;
(2) The pod device comprises the sectional type sleeves, can be quickly disassembled and assembled, has strong structural stability, is convenient to carry and transport, and provides a technical premise for realizing field high-efficiency operation;
(3) The vibration reduction pod device and the internal support fixing method can effectively reduce the influence of vibration noise on the magnetic sensor coil receiving signal, improve the quality of aviation electromagnetic data, and improve the technical level and the exploration capability of an aviation electromagnetic system.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a magnetic sensor vibration damping pod;
FIG. 2 is a schematic view of a straight pipe and a bent pipe installation;
FIG. 3 (a) is an overall view of the assembly of the straight tube damping assembly;
FIG. 3 (b) is a schematic diagram of assembling and disassembling the straight pipe damping assembly;
FIG. 3 (c) is a schematic view of the internal structure of the assembly of the straight tube damping assembly;
FIG. 4 (a) is an overall view of the elbow damping assembly;
fig. 4 (b) is a schematic view of the assembly, disassembly and internal structure of the elbow damping assembly;
FIG. 5 is a schematic view of a rubber band fixing clasp;
FIG. 6 is a schematic diagram of an operation of the aviation electromagnetic sounding system.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Typically, circular or polygonal aerial sensor coil pods having a diameter of less than about 1.5 meters are pre-fabricated and shaped, and the sensor coils, the vibration damping structure, and the pod structure are pre-assembled. The small-sized magnetic sensor pod can be loaded on most freight vehicles for equipment transportation and field construction.
The invention provides a vibration reduction pod device of a pod type aviation large-size magnetic sensor, which can be quickly disassembled and assembled and aims at the design and application of the pod type aviation large-size magnetic sensor with the diameter being larger than about 1.5 m, and the vibration reduction pod device comprises a straight pipe 1, a bent pipe 2, a cable positioning protection ring 3, a screw 4, a fastening aluminum strip 5, a straight pipe right side damping sponge 6, a straight pipe right side damping support 7, a straight pipe left side damping sponge 8, a straight pipe left side damping support 9, a rubber band fixing clamping ring 10 and a rubber band 11.
The overall structural schematic diagram of the large-size magnetic sensor vibration reduction pod is shown in fig. 1, and mainly comprises a multi-section straight pipe 1, a multi-section bent pipe 2, a cable positioning protection ring 3 and a screw 4; the straight pipes 1 and the bent pipes 2 are alternately connected in series to form an overall polygonal pod structure;
the tubular pod structure formed by the straight tube 1 and the bent tube 2 is the main rigid support of the magnetic sensor coil and is made of glass fiber.
The cable positioning protection rings 3 are arranged on the left side and the right side of the elbow pipe 2, are of annular structures, are provided with annular grooves and are used for fixing the suspension cables and are made of nylon materials. The screw 4 is used for fixing the straight pipe 1 and the bent pipe 2 and is made of nonmagnetic materials.
In order to realize quick installation and disassembly, the vibration damping pod adopts a sectional type detachable sleeve structure, sleeve structures are designed at two ends of a straight pipe 1 and a bent pipe 2, as shown in an equipment drawing of the straight pipe and the bent pipe in FIG. 2, the caliber of the tail end at the left side of the straight pipe 1 is slightly larger than that of the right side of the bent pipe 2, so that the tail end at the right side of the bent pipe 2 can be embedded into the tail end at the left side of the straight pipe 1, and the caliber of the left side of the bent pipe 2 is slightly larger than that of the right side of the straight pipe 1, so that the tail end at the right side of the straight pipe 1 can be embedded into the tail end at the left side of the bent pipe 2; namely, the straight pipe 1 and the bent pipe 2 have a large caliber at one end and a small caliber at the other end, and the straight pipe and the bent pipe are sleeved with each other in size. Optionally, according to other embodiments, the calibers of both ends of all the bent pipes are large, and the calibers of both ends of the straight pipe are small, or the sizes are reversed.
Rivet holes and fastening aluminum strips 5 with built-in threads are reserved at the tail ends of the left side and the right side of the straight pipe 1 and the bent pipe 2 (because the main materials of the straight pipe and the bent pipe are glass fibers, the hardness of the materials is not enough to directly butt joint the screws, and the materials are easy to damage by the abrasion of the screws, a metal rivet hole needs to be buried in the pipe wall of the large-diameter straight pipe or bent pipe and is used for protecting the screw hole, the metal rivet hole is a non-threaded through hole, a metal strip with a threaded hole also needs to be mounted in the pipe wall of the small-diameter straight pipe or bent pipe, the metal strip is used for being fixed on the pipe wall and is in butt joint with the screws/rivets penetrating through the non-threaded through hole, and finally two pipes which are connected together in a sleeved mode are fixed to prevent slipping out), so that the straight pipe 1 and the bent pipe 2 can be assembled into a complete polygonal magnetic sensor coil pod device by means of cylindrical sleeve joint mounting and combining with the reinforcing rivets. The disassembling process and the installing process are reverse operations, and the operation efficiency is higher compared with the installing process.
The inner angle of the bent pipe is in an obtuse angle shape, the angle of the inner angle is related to the number of the sides of the polygon, the inner angle and the formula of the polygon are met, the inner angle of the bent pipe is 180 x (n-2)/n, and n is the number of the sides of the regular polygon.
As shown in fig. 3 (a) - (c) assembly drawings of the straight pipe damping assembly and fig. 4 (a) - (b) assembly drawings of the elbow damping assembly, the damping device inside the tubular pod structure mainly comprises a semicircular arc-shaped damping bracket (a straight pipe right damping bracket 7, a straight pipe left damping bracket 9 and an elbow right damping bracket 14), a semicircular arc-shaped damping sponge (a straight pipe right damping sponge 6, a straight pipe left damping sponge 8 and an elbow right damping sponge 13), a rubber band 11 and a rubber band fixing snap ring 10; in the embodiment of the invention, the left side of the elbow is large-caliber, the left side of the elbow is the right side of the butt joint straight pipe, and the right side of the straight pipe is small-caliber. The right side of the straight pipe is sleeved into the left side of the bent pipe. The left side of the bent pipe is basically filled with the right side of the straight pipe. The right side of the straight pipe is provided with a bracket and sponge, which is equivalent to the left side of the bent pipe sharing a vibration damping bracket and sponge on the right side of the straight pipe;
the semi-arc vibration reduction support is complementary with a semi-arc vibration reduction sponge matched with the semi-arc vibration reduction support in shape, the semi-arc vibration reduction sponge (the straight pipe right side vibration reduction sponge 6, the straight pipe left side vibration reduction sponge 8 and the bent pipe right side vibration reduction sponge 13) is buckled above the corresponding vibration reduction support (the straight pipe right side vibration reduction support 7, the straight pipe left side vibration reduction support 9 and the bent pipe right side vibration reduction support 14) to fix the vibration reduction support, and the two are combined into a whole cylinder and arranged in the tubular hanging cabin.
The rubber band fixing clamp ring 10 is in a large semicircular arc shape, a plurality of protruding parts such as screws are installed on two sides of the end face of the rubber band fixing clamp ring, the rubber band fixing clamp ring 10 is fixed on the inner wall of the semicircular arc-shaped vibration reduction support, and the two groups of rubber bands 11 are mutually fixed on the protruding parts of the rubber band fixing clamp ring 10 in an intersecting mode and are in an X shape (figure 5) and used for supporting the magnetic sensor coil 12 and playing a vibration reduction role.
According to the embodiment of the invention, the cable positioning protection ring, the damping pod device sleeve and the inner damping support groove can be replaced by other non-metal materials with proper or better strength, such as polyformaldehyde, ABS, PEEK, PVC and the like.
Fig. 6 is an operational view of the airborne electromagnetic sounding system of the present invention, wherein the magnetic sensor coil vibration damping pod apparatus of the present invention is suspended below the aircraft.
Although the illustrative embodiments of the present invention have been described in order to facilitate those skilled in the art to understand the invention, it is to be understood that the invention is not limited in scope to the specific embodiments, but rather, it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and it is intended that all matter contained in the invention and created by the inventive concept be protected.
Claims (4)
1. A vibration reduction pod device capable of being quickly disassembled and assembled for aviation large-size magnetic sensor coils is characterized by comprising a plurality of sections of straight pipes, a plurality of sections of bent pipes, a cable positioning protection ring and screws; the straight pipes and the bent pipes are alternately connected in series to form an overall polygonal pod structure;
the tubular pod structure formed by the straight tube and the bent tube is a main rigid support of the magnetic sensor coil and is made of glass fiber;
the vibration reduction device in the tubular nacelle structure consists of a semi-arc vibration reduction bracket, semi-arc vibration reduction sponge, a rubber band and a rubber band fixing snap ring, and vibration reduction and noise reduction of the built-in magnetic sensor are realized together; the screw is used for fixing the straight pipe and the bent pipe and is made of nonmagnetic materials;
the rubber band fixing clamp ring is in a large semicircular arc shape, a plurality of convex parts are arranged on two sides of the end surface of the rubber band fixing clamp ring, the rubber band fixing clamp ring is fixed on the inner wall of the semicircular arc-shaped vibration reduction support, and the two groups of rubber bands are mutually crossed and fixed on the convex parts of the rubber band fixing clamp ring, are in an X shape, are used for supporting the magnetic sensor coil and play a vibration reduction role;
the cable positioning protection ring is arranged on the bent pipe, is of an annular structure, is provided with an annular groove, is used for fixing and protecting the suspension cable, and is made of a nylon material;
the whole pod structure is a regular polygon, the internal angle of the bent pipe is in an obtuse angle shape, the angle of the internal angle is related to the number of sides of the polygon, the internal angle and a formula of the polygon are met, the internal angle of the bent pipe is 180 x (n-2)/n, and n is the number of the sides of the regular polygon;
the damping nacelle adopts the removable cover tubular construction of sectional type, straight tube and return bend both ends design cup joint structure, and the terminal bore in straight tube left side is greater than the return bend right side for return bend right side end can imbed in the straight tube left side end, and the left bore of return bend is greater than the straight tube right side end, makes the terminal bore in straight tube right side can imbed return bend left side end, and straight tube and return bend left and right sides end all reserves the rivet hole and contains built-in screw thread fastening aluminium strip, so cup joints the mode that the installation combines rivet reinforcement through the tube-shape and assembles many straight tubes and return bend into complete polygon magnetic sensor coil nacelle device.
2. A quick-detachable aviation large-size magnetic sensor coil damping pod device as claimed in claim 1,
the damping device in the tubular nacelle structure comprises a semi-arc damping bracket, a semi-arc damping sponge, a rubber band and a rubber band fixing clamp ring; the semicircular arc-shaped vibration reduction supports comprise a straight pipe right side vibration reduction support, a straight pipe left side vibration reduction support and a bent pipe right side vibration reduction support; the semi-arc vibration-damping sponge comprises a straight pipe right side vibration-damping sponge, a straight pipe left side vibration-damping sponge and an elbow pipe right side vibration-damping sponge.
3. A quick-detachable aviation large-size magnetic sensor coil damping pod device as claimed in claim 1,
the semi-arc vibration-damping support is complementary to the semi-arc vibration-damping sponge matched with the semi-arc vibration-damping support in shape, the semi-arc vibration-damping sponge is buckled above the corresponding vibration-damping support to fix the vibration-damping support, and the semi-arc vibration-damping sponge and the vibration-damping support are combined into a whole to be cylindrical and are arranged in the tubular hanging cabin.
4. The aviation large-size magnetic sensor coil damping pod device capable of being quickly disassembled and assembled as claimed in claim 1, wherein the cable positioning protection ring, the damping pod device sleeve and the internal damping support groove are replaced by non-metallic materials, including one of polyoxymethylene, ABS, PEEK and PVC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110835108.2A CN113606282B (en) | 2021-07-23 | 2021-07-23 | Aviation large-size magnetic sensor coil vibration reduction pod device capable of being quickly disassembled and assembled |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110835108.2A CN113606282B (en) | 2021-07-23 | 2021-07-23 | Aviation large-size magnetic sensor coil vibration reduction pod device capable of being quickly disassembled and assembled |
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| CN113606282A CN113606282A (en) | 2021-11-05 |
| CN113606282B true CN113606282B (en) | 2023-02-07 |
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