CN115241617A - L-band rotary combined joint - Google Patents
L-band rotary combined joint Download PDFInfo
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- CN115241617A CN115241617A CN202210937836.9A CN202210937836A CN115241617A CN 115241617 A CN115241617 A CN 115241617A CN 202210937836 A CN202210937836 A CN 202210937836A CN 115241617 A CN115241617 A CN 115241617A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/06—Movable joints, e.g. rotating joints
- H01P1/062—Movable joints, e.g. rotating joints the relative movement being a rotation
- H01P1/063—Movable joints, e.g. rotating joints the relative movement being a rotation with a limited angle of rotation
- H01P1/065—Movable joints, e.g. rotating joints the relative movement being a rotation with a limited angle of rotation the axis of rotation being parallel to the transmission path, e.g. stepped twist
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/10—Nuclear fusion reactors
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Abstract
The invention relates to the technical field of combined joints, in particular to an L-band rotating combined joint which comprises a rotating mechanism, wherein one end of the rotating mechanism is connected with a wave guide mechanism, one end of the wave guide mechanism is provided with a debugging bin, a main shaft is arranged in the rotating mechanism, the other end of the rotating mechanism is provided with a connecting bin, the main shaft penetrates through the inside of the connecting bin, and a sealing mechanism is arranged between the debugging bin and the rotating mechanism; the end part of the rotating mechanism is provided with a wave guide mechanism, the end part of the wave guide mechanism is connected with a debugging bin, the end part of the rotating mechanism is provided with a connecting bin, a main shaft is arranged in the three parts, a waveguide rotary transmission system is formed among the three structures, and the waveguide rotary transmission system, the rest of coaxial radio frequency rotary transmission systems, a collector ring system and a sensor system are in modularized design, so that the reduction of the number and the types of parts is realized, the process flow is reduced in the assembling process, the optimization is realized in many aspects, and the structure is reliable and stable.
Description
Technical Field
The invention relates to the technical field of combined joints, in particular to an L-band rotary combined joint.
Background
The L-band rotary combined joint is mainly used in the aerospace field, the rotary joint is used for inputting liquid into rotary or reciprocating equipment from the pipeline and discharging the liquid from the equipment, the L-band rotary combined joint mainly comprises a shaft sleeve, a bearing and a rotating body, two ends of the L-band rotary combined joint mainly comprise a waveguide bin and a connecting bin, and the inside of the L-band rotary combined joint is a main shaft.
However, the waveguide system structure of the current L-band rotary combination joint is generally an integrated structure, and has many internal parts, and the average power is 2000W, so the strength and the antagonism of the radar antenna transmission signal are low, and the current L-band rotary combination joint is generally sealed by a sealing ring, so the use is affected by the environment with low air tightness and low altitude, and the interchangeability of a single channel of the product is reduced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an L-band rotary combined joint.
The technical scheme adopted by the invention for solving the technical problems is as follows: an L-band rotating combined joint comprises a rotating mechanism, wherein one end of the rotating mechanism is connected with a wave guide mechanism, one end of the wave guide mechanism is provided with a debugging bin, a main shaft is arranged in the rotating mechanism, one end of the main shaft penetrates through the debugging bin, the other end of the rotating mechanism is provided with a connecting bin, the main shaft penetrates through the inside of the connecting bin, and a sealing mechanism is arranged between the debugging bin and the rotating mechanism;
the rotary mechanism comprises a rotary body, a rotary body is arranged at one end of the wave guide mechanism, an inner shell is fixedly connected to the rotary body, an outer shell is connected to the outer portion of the inner shell in a rotating mode, a fixing shell is arranged on the outer side of the outer shell, and the fixing shell is connected with the connecting bin.
Specifically, the guided wave mechanism includes the guided wave pipe, the one end fixedly connected with guided wave pipe of rotator, be equipped with the guided wave mouth on the guided wave pipe, the guided wave pipe rotates between with the debugging storehouse and is connected.
Specifically, the main shaft penetrates through the waveguide tube, and the cross section of the waveguide port is of a rectangular structure.
Specifically, the height of the waveguide tube is equal to that of the connecting cabin, an L-shaped structure is formed between the waveguide tube and the rotating body, and an L-shaped structure is formed between the connecting cabin and the fixed shell.
Specifically, sealing mechanism includes rotating ring and quiet ring, install the rotating ring on the wave guide pipe, install quiet ring on the wave guide pipe, conflict between rotating ring and the quiet ring.
Specifically, the diameters of the moving ring and the stationary ring are equal, and the stationary ring is made of rubber.
Specifically, the end of the rotating body is of an arc-shaped structure, and the main shaft and the circle center of the rotating body are located at the same position.
Specifically, the inner diameter of the connecting bin is smaller than that of the debugging bin, and the cross sections of the connecting bin and the debugging bin are both of an annular structure.
Specifically, rotary mechanism still includes the bearing, install a plurality of bearings between shell body and the interior casing.
The invention has the beneficial effects that:
(1) The invention relates to an L-band rotary combined joint, which is modularly designed: the end part of the rotating mechanism is provided with a wave guide mechanism, the end part of the wave guide mechanism is connected with a debugging bin, the end part of the rotating mechanism is provided with a connecting bin, a main shaft is arranged in the three parts, a waveguide rotary transmission system is formed among the three structures, and the waveguide rotary transmission system, the rest of coaxial radio frequency rotary transmission system, a collector ring system and a sensor system are in modularized design, so that the reduction of the number and the types of parts are realized, the process flow is reduced in the assembling process, the optimization is realized in many aspects, and the structure is reliable and stable; namely: assembling a plurality of bearings with the inner housing; secondly, the rotary body is connected with the shell body again; the main shaft penetrates through a waveguide port on a waveguide tube and is fixed by a debugging bin; combining the first two parts, and then sequentially connecting the main shaft and the connecting bin at the other end to enable the waveguide to form a rotating body; finally, performance debugging is carried out; the waveguide rotation combination design adopts a coaxial coupling mode, firstly, a fixed end waveguide is converted into a coaxial conductor, and a rotating end coaxial conductor is rotationally coupled with the fixed end coaxial conductor and then converted into waveguide output; the roundness of the circular coaxial inner cavity is good, and in the rotating process, the rotating and fixing circular waveguide inner cavity and the choke groove are positioned on the same axis, so that the requirements of wave mode conversion and transmission can be met, the standing wave and insertion loss fluctuation of the joint in the rotating process is small, and the use requirements are met.
(2) The invention relates to an L-band rotary combined joint, which is designed to have air tightness: a sealing mechanism is arranged between the wave guide mechanism and the debugging cabin, air is rarefied under the plateau environment, and radio frequency products are easy to strike sparks and puncture under the action of high power; in order to avoid the generation of the phenomenon, inert gas can be flushed into the product, the air tightness of the invention adopts a mode of combining dynamic sealing and static sealing, the leakage quantity of the product in a rotating state is ensured, when the product is filled with the inert gas, the product starts to rotate continuously for 360 degrees, the gas leakage quantity is reduced from the original PSI to 0.2 PSI within two hours, and the high-power ignition phenomenon is greatly reduced, namely: the static ring is mainly designed in an airtight mode by adopting an O-shaped ring, the O-shaped ring made of silicon rubber is selected according to the technical index requirements of the product and the technical parameters of an environmental test, and the O-shaped ring is designed in a type selection mode and a groove according to GB/T3452.3-2005; the O-shaped ring in the product is mainly used in three environments: the installation of a radial shaft sealing groove, the installation of a radial cavity sealing groove and the installation of an axial sealing groove, and a static ring rotates along a shaft; the movable ring is arranged on the lower waveguide rotating coaxial assembly and is kept still, the contact surface of the static ring is narrow, and the contact surface of the movable ring is wide; a friction pair consisting of a movable ring and a static ring is an important part of mechanical air seal, and the radio frequency products are prevented from being easily ignited and broken down.
(3) The L-band rotary combined joint provided by the invention has the advantages that the power is improved: the structure of the invention forms a waveguide rotary transmission system which is mainly used for signal transmission in a radar system, and the transmitted signal needs the support of high power, so that the signal can be stably, accurately and quickly transmitted to a receiving unit; the anti-interference performance of the radar can be increased by improving the bearing power of the waveguide rotary transmission system, the signal transmitting distance is improved, and the diameter is increased from the original diameter of 400 kilometers to 600 kilometers.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic overall structure diagram of a preferred embodiment of an L-band rotary combination joint according to the present invention;
FIG. 2 is a schematic view of a connection structure of a debugging bin, a wave guide mechanism and a rotating mechanism according to the present invention;
FIG. 3 is a schematic view of the connection structure of the debugging cabin, the wave guide mechanism, the rotating mechanism and the connection cabin;
FIG. 4 is a schematic view of the connection structure of the debugging chamber, waveguide port, spindle, rotator, outer housing, inner housing, bearing, fixing housing and connection chamber according to the present invention;
fig. 5 is a schematic view of a connection structure of the debugging bin and the sealing mechanism of the invention.
In the figure: 1. debugging a bin; 2. a wave guide mechanism; 201. a waveguide tube; 202. a wave guide port; 3. a main shaft; 4. a rotation mechanism; 401. a rotating body; 402. a bearing; 403. an outer housing; 404. an inner housing; 405. a stationary case; 5. a connecting bin; 6. a sealing mechanism; 601. a moving ring; 602. and (4) a stationary ring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-5, the L-band rotating combined joint of the present invention includes a rotating mechanism 4, one end of the rotating mechanism 4 is connected with a wave guide mechanism 2, one end of the wave guide mechanism 2 is provided with a debugging cabin 1, a main shaft 3 is installed inside the rotating mechanism 4, one end of the main shaft 3 penetrates through the debugging cabin 1, the other end of the rotating mechanism 4 is provided with a connecting cabin 5, the main shaft 3 penetrates through the inside of the debugging cabin 5, and a sealing mechanism 6 is arranged between the debugging cabin 1 and the rotating mechanism 4;
the rotating mechanism 4 comprises a rotating body 401, a rotating body 401 is arranged at one end of the wave guide mechanism 2, an inner shell 404 is fixedly connected to the rotating body 401, an outer shell 403 is rotatably connected to the outer portion of the inner shell 404, a fixing shell 405 is arranged on the outer side of the outer shell 403, the fixing shell 405 is connected with a connecting cabin 5, the wave guide mechanism 2 comprises a wave guide tube 201, one end of the rotating body 401 is fixedly connected with a wave guide tube 201, a wave guide port 202 is arranged on the wave guide tube 201, the wave guide tube 201 is rotatably connected with the debugging cabin 1, the spindle 3 penetrates through the wave guide tube 201, the cross section of the wave guide port 202 is of a rectangular structure, the height of the wave guide tube 201 is equal to that of the connecting cabin 5, the wave guide tube 201 and the rotating body 401 are of an L-shaped structure, the connecting cabin 5 and the fixing shell 405 are of an L-shaped structure, the inner diameter of the connecting cabin 5 is smaller than that of the debugging cabin 1, the cross sections of the connecting cabin 5 and the debugging cabin 1 are of annular structures, the rotating mechanism 4 further comprises a bearing inner shell 402, and a plurality of bearings 402 are arranged between the outer shell 403 and the inner shell 404; first, a plurality of the bearings 402 are assembled with the inner housing 404; then, the outer shell is connected with the rotating body 401 and the outer shell 403 again; the spindle 3 is passed through the waveguide port 202 on the waveguide 201 and fixed by the debugging cabin 1; combining the first two parts, and then sequentially connecting the main shaft at the other end and the connecting bin 5 to enable the waveguide to form a rotating body; finally, performance debugging is carried out; the waveguide rotation combination design adopts a coaxial coupling mode, firstly, a fixed end waveguide is converted into a coaxial conductor, and a rotating end coaxial conductor is rotationally coupled with the fixed end coaxial conductor and then converted into waveguide output; the roundness of the circular coaxial inner cavity is good, and in the rotating process, the rotating and fixing circular waveguide inner cavity and the choke groove are positioned on the same axis, so that the requirements of wave mode conversion and transmission can be met, the standing wave and insertion loss fluctuation of the joint in the rotating process is small, and the use requirements are met; when the parts are designed, the circular coaxial axis is taken as a reference, higher coaxiality requirements are provided for a hole shaft forming a choke groove and a bearing mounting hole shaft, and 6-grade tolerance is generally adopted; the power-resistant bottleneck of the waveguide rotary joint is on the coaxial line; the coaxial transmission line not only can bear high peak power, but also can effectively inhibit higher modes caused by electromagnetic field mode conversion; the theory of the impedance and power capacity according to the characteristics of the coaxial line has the following formula:
Z 0 ＝138log 10 (D/d)
z0 is the characteristic impedance of the coaxial part, D is the outer diameter of the inner conductor of the coaxial part and is the inner diameter D of the outer conductor of the coaxial part. In the rotary combination, the design of minimum loss impedance is adopted, (Z0 =67 omega)
The length of the coaxial part needs to ensure that the higher-order mode generated in the transition region is sufficiently attenuated (attenuation is more than 20 dB), and meanwhile, the narrow working frequency band caused by the large size is considered. Considering the structural requirement, the length of the coaxial part of the rotary joint is about 5 wavelengths, so that the influence of a higher mode can be basically eliminated; the length of the coaxial part is determined by the principle that the reflection between the two coaxial waveguide converters is counteracted with each other, so that the standing wave of the rotary joint in the working frequency band range is minimized; the end part of the wave guide mechanism is connected with a debugging bin, the end part of the rotating mechanism is provided with a connecting bin, a main shaft is arranged in the three parts, a waveguide rotary transmission system is formed among the three structures, and the waveguide rotary transmission system, the rest of coaxial radio frequency rotary transmission system, the collector ring system and the sensor system are in modular design, so that the reduction of the number and the types of parts and the reduction of the process flow in the assembling process are realized, the optimization is realized in many aspects, and the structure is reliable and stable.
Specifically, the sealing mechanism 6 includes a moving ring 601 and a stationary ring 602, the moving ring 601 is mounted on the waveguide 201, the stationary ring 602 is mounted on the waveguide 201, the moving ring 601 and the stationary ring 602 are abutted against each other, the diameters of the moving ring 601 and the stationary ring 602 are equal, the stationary ring 602 is a stationary ring made of rubber, the end of the rotating body 401 is of an arc structure, and the main shaft 3 and the center of the rotating body 401 are located at the same position; the static ring 602 mainly adopts an O-shaped ring to complete the airtight design of a product, the O-shaped ring made of silicon rubber is selected according to the technical index requirements of the product and the technical parameters of an environmental test, and the O-shaped ring is subjected to type selection and groove design according to GB/T3452.3-2005; the O-ring in the product is mainly used in three environments: radial shaft seal groove installation, radial cavity seal groove installation and axial seal groove installation, wherein the static ring 602 rotates along a shaft; the movable ring 601 is arranged on the lower waveguide coaxial assembly and is kept still, the contact surface of the fixed ring 602 is narrow, and the contact surface of the movable ring 601 is wide; the friction pair composed of the dynamic ring 601 and the static ring 602 is an important part of mechanical air seal, and the internal air pressure is small (2 PSI) in the product, so the requirements on the materials are as follows: mechanical properties: has higher elastic modulus, strength and allowable PV value, lower friction coefficient and linear expansion coefficient, excellent wear resistance and self-lubricating property, good impermeability and the like. Corrosion performance: has good chemical properties, and can prevent damages caused by corrosion, abrasion, dissolution, swelling and the like after moisture or saline-alkali mist enters. Thermal performance: has good thermal conductivity, heat resistance, cold resistance and adaptability to temperature mutation. The common non-metallic materials of the friction pair are: the tungsten carbide alloy is made of metal carbides such as tungsten carbide and titanium carbide with high hardness and melting point by a method of adding binder powder metallurgy, is pressed, sintered and formed, and has the advantages of high hardness and strength, wear resistance, high temperature resistance, corrosion resistance and low linear expansion coefficient.
When the invention is used, firstly, a plurality of bearings 402 and an inner shell 404 are assembled; then, the rotary body 401 is connected with the outer shell 403 again; the main shaft 3 passes through a waveguide port 202 on a waveguide pipe 201 and is fixed by a debugging cabin 1; combining the first two parts, and then sequentially connecting the main shaft and the connecting bin 5 at the other end to enable the waveguide to form a rotating body; finally, performance debugging is carried out; the waveguide rotation combination design adopts a coaxial coupling mode, firstly, a fixed end waveguide is converted into a coaxial conductor, and a rotating end coaxial conductor is rotationally coupled with the fixed end coaxial conductor and then converted into waveguide output; the roundness of the circular coaxial inner cavity is good, and in the rotating process, the rotating and fixing circular waveguide inner cavity and the choke groove are positioned on the same axis, so that the requirements of wave mode conversion and transmission can be met, the standing wave and insertion loss fluctuation of the joint in the rotating process is small, and the use requirements are met; when the parts are designed, the circular coaxial axis is taken as a reference, higher coaxiality requirements are provided for a hole shaft forming a choke groove and a bearing mounting hole shaft, and 6-grade tolerance is generally adopted; the power-resistant bottleneck of the waveguide rotary joint is on the coaxial line; the coaxial transmission line not only can bear high peak power, but also can effectively inhibit higher modes caused by electromagnetic field mode conversion; the theory of the impedance and power capacity according to the characteristics of the coaxial line has the following formula:
Z 0 ＝138log 10 (D/d)
z0 is the characteristic impedance of the coaxial part, D is the outer diameter of the inner conductor of the coaxial part and is the inner diameter D of the outer conductor of the coaxial part. In the rotary combination, the design of minimum loss impedance is adopted, (Z0 =67 omega)
The length of the coaxial part needs to ensure that the higher-order mode generated in the transition region is sufficiently attenuated (attenuation is more than 20 dB), and meanwhile, the narrow working frequency band caused by the large size is considered. Considering the structural requirement, the length of the coaxial part of the rotary joint is about 5 wavelengths, so that the influence of a higher mode can be basically eliminated; the length of the coaxial part is determined on the basis that the reflection between the two coaxial waveguide converters is counteracted, so that the standing wave of the rotary joint in the working frequency band range is minimized; the end part of the wave guide mechanism 2 is connected with a debugging bin 1, the end part of the rotating mechanism 4 is provided with a connecting bin 5, a main shaft 3 is arranged in the three parts, a wave guide rotating transmission system is formed among the multiple structures, and the wave guide rotating transmission system, the rest of coaxial radio frequency rotating transmission systems, a collector ring system and a sensor system are in modularized design, so that the reduction of the number and the types of parts are realized, the process flow is reduced in the assembling process, the optimization is realized in many aspects, and the structure is reliable and stable; .
Then, the static ring 602 mainly adopts an O-shaped ring to complete the airtight design of the product, according to the technical index requirements of the product and in combination with the technical parameters of the environmental test, the O-shaped ring made of silicon rubber is selected, and the O-shaped ring is subjected to model selection and groove design according to GB/T3452.3-2005; the O-shaped ring in the product is mainly used in three environments: radial shaft seal groove installation, radial cavity seal groove installation and axial seal groove installation, the stationary ring 602 rotates along the shaft; the movable ring 601 is arranged on the lower waveguide rotating coaxial assembly and keeps still, the contact surface of the static ring 602 is narrow, and the contact surface of the movable ring 601 is wide; the friction pair composed of the dynamic ring 601 and the static ring 602 is an important part of mechanical air seal, the internal air pressure is small (2 PSI) in the product, so the requirements on the materials are as follows: mechanical properties: has higher elastic modulus, strength and allowable PV value, lower friction coefficient and linear expansion coefficient, excellent wear resistance and self-lubricating property, good impermeability and the like. Corrosion performance: has good chemical properties, and can prevent damages caused by corrosion, abrasion, dissolution, swelling and the like caused by moisture or saline-alkali fog. Thermal performance: has good thermal conductivity, heat resistance, cold resistance and adaptability to temperature mutation. The common non-metallic materials of the friction pair are: the tungsten carbide alloy is made of metal carbides such as tungsten carbide and titanium carbide with high hardness and high melting point, is formed by pressing and sintering by a method of adding binder powder metallurgy, and has the advantages of high hardness and strength, wear resistance, high temperature resistance, corrosion resistance and low linear expansion coefficient; under the plateau environment, the air is rarefied, and under the action of high power, the radio frequency products are easy to strike sparks and break down; in order to avoid the phenomenon, inert gas can be flushed into the product, the air tightness of the invention adopts a mode of combining dynamic sealing and static sealing, the leakage quantity of the product in a rotating state is ensured, when the product is filled with the inert gas, the product starts to rotate at 360 degrees continuously, the gas leakage quantity is reduced from the original PSI to 0.2 PSI within two hours, and the phenomenon of high-power ignition is greatly reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The L-band rotating combined joint is characterized by comprising a rotating mechanism (4), wherein one end of the rotating mechanism (4) is connected with a guided wave mechanism (2), one end of the guided wave mechanism (2) is provided with a debugging bin (1), a main shaft (3) is arranged inside the rotating mechanism (4), one end of the main shaft (3) penetrates through the debugging bin (1), the other end of the rotating mechanism (4) is provided with a connecting bin (5), the main shaft (3) penetrates through the inside of the connecting bin (5), and a sealing mechanism (6) is arranged between the debugging bin (1) and the rotating mechanism (4);
rotary mechanism (4) are including rotator (401), the one end of guided wave mechanism (2) is equipped with rotator (401), fixedly connected with interior casing (404) on rotator (401), the outside of interior casing (404) is rotated and is connected with shell body (403), the outside of shell body (403) is equipped with set casing (405), set casing (405) and be connected between storehouse (5).
2. The L-band rotary union of claim 1, wherein: the guided wave mechanism (2) comprises a guided wave tube (201), one end of the rotating body (401) is fixedly connected with the guided wave tube (201), a guided wave port (202) is formed in the guided wave tube (201), and the guided wave tube (201) is rotatably connected with the debugging bin (1).
3. The L-band rotary union of claim 2, wherein: the main shaft (3) penetrates through the wave guide tube (201), and the cross section of the wave guide port (202) is of a rectangular structure.
4. The L-band rotary compound joint according to claim 2, wherein: the height of the waveguide tube (201) is equal to that of the connecting bin (5), an L-shaped structure is formed between the waveguide tube (201) and the rotating body (401), and an L-shaped structure is formed between the connecting bin (5) and the fixed shell (405).
5. The L-band rotary union of claim 2, wherein: sealing mechanism (6) include rotating ring (601) and quiet ring (602), install rotating ring (601) on wave guide pipe (201), install quiet ring (602) on wave guide pipe (201), conflict between rotating ring (601) and quiet ring (602).
6. The L-band rotary union of claim 5, wherein: the diameters of the movable ring (601) and the static ring (602) are equal, and the static ring (602) is made of rubber.
7. The L-band rotary union of claim 1, wherein: the end part of the rotating body (401) is of an arc-shaped structure, and the circle centers of the main shaft (3) and the rotating body (401) are located at the same position.
8. The L-band rotary compound joint according to claim 1, wherein: the inner diameter of the connecting bin (5) is smaller than that of the debugging bin (1), and the cross sections of the connecting bin (5) and the debugging bin (1) are both of an annular structure.
9. The L-band rotary compound joint according to claim 1, wherein: the rotating mechanism (4) further comprises a bearing (402), and a plurality of bearings (402) are installed between the outer shell (403) and the inner shell (404).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210937836.9A CN115241617B (en) | 2022-08-05 | 2022-08-05 | L wave band rotary combined joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210937836.9A CN115241617B (en) | 2022-08-05 | 2022-08-05 | L wave band rotary combined joint |
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| Publication Number | Publication Date |
|---|---|
| CN115241617A true CN115241617A (en) | 2022-10-25 |
| CN115241617B CN115241617B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210937836.9A Active CN115241617B (en) | 2022-08-05 | 2022-08-05 | L wave band rotary combined joint |
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| CN (1) | CN115241617B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115799784A (en) * | 2023-01-31 | 2023-03-14 | 成都世源频控技术股份有限公司 | Clutch type switch switching filter set |
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| CN102522610A (en) * | 2011-12-22 | 2012-06-27 | 南京鑫轩电子系统工程有限公司 | Multichannel microwave rotary joint |
| US8786385B1 (en) * | 2009-11-12 | 2014-07-22 | Curtis D Lorenc | Rotary joint for radio frequency electromagnetic waves and light waves |
| CN107069151A (en) * | 2017-05-23 | 2017-08-18 | 西安星展测控科技股份有限公司 | A kind of waveguide junction of adjustable clearance |
| CN114421103A (en) * | 2021-11-01 | 2022-04-29 | 成都利尼科医学技术发展有限公司 | Non-contact airtight high-power coaxial waveguide rotary joint |
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2022
- 2022-08-05 CN CN202210937836.9A patent/CN115241617B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8786385B1 (en) * | 2009-11-12 | 2014-07-22 | Curtis D Lorenc | Rotary joint for radio frequency electromagnetic waves and light waves |
| CN102522610A (en) * | 2011-12-22 | 2012-06-27 | 南京鑫轩电子系统工程有限公司 | Multichannel microwave rotary joint |
| CN107069151A (en) * | 2017-05-23 | 2017-08-18 | 西安星展测控科技股份有限公司 | A kind of waveguide junction of adjustable clearance |
| CN114421103A (en) * | 2021-11-01 | 2022-04-29 | 成都利尼科医学技术发展有限公司 | Non-contact airtight high-power coaxial waveguide rotary joint |
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| Title |
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| 张华林等: "六通道方位旋转关节技术研究", 现代雷达, no. 04 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115799784A (en) * | 2023-01-31 | 2023-03-14 | 成都世源频控技术股份有限公司 | Clutch type switch switching filter set |
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| Publication number | Publication date |
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| CN115241617B (en) | 2023-08-15 |
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