CN113922087A - Wide band section miniaturization antenna array hoisting mechanism suitable for cross cabin structure - Google Patents
Wide band section miniaturization antenna array hoisting mechanism suitable for cross cabin structure Download PDFInfo
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- CN113922087A CN113922087A CN202111086438.2A CN202111086438A CN113922087A CN 113922087 A CN113922087 A CN 113922087A CN 202111086438 A CN202111086438 A CN 202111086438A CN 113922087 A CN113922087 A CN 113922087A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
Abstract
The invention provides a broadband miniaturized antenna array hoisting mechanism suitable for a cabin penetrating structure, which comprises an antenna array lifting mechanism, an antenna array cabin penetrating mechanism, an antenna array translation mechanism and an antenna array rotating mechanism, wherein the antenna array lifting mechanism is arranged outside a vacuum cabin, the antenna array cabin penetrating mechanism penetrates through the vacuum cabin, and the antenna array translation mechanism and the antenna array rotating mechanism are both arranged inside the vacuum cabin; the antenna array lifting mechanism drives the antenna array to move in the vertical direction; the cabin penetrating mechanism is arranged on the antenna array lifting mechanism, the translation mechanism is arranged on the cabin penetrating mechanism, and the cabin penetrating mechanism drives the antenna array to move in the horizontal direction; the antenna array rotating mechanism is installed on the antenna array translation mechanism and realizes rotation of the antenna array. The antenna can rotate, swing and lift through the cooperation of various mechanisms; the cabin penetrating structure is utilized to guarantee the motion of the antenna array and simultaneously realize the independent hoisting of the antenna array.
Description
Technical Field
The invention belongs to the technical field of antenna array hoisting, and particularly relates to a wide-band miniaturized antenna array hoisting mechanism suitable for a cabin penetrating structure.
Background
The near space is a space area 20-100km away from the ground, is between a satellite and an aviation flight area, is not only a necessary place for the spacecraft to and from the outer space, but also a flight corridor of the hypersonic aircraft. The near space high-speed aircraft is used as an important carrier for developing and utilizing the near space, and a new activity territory of human beings can be developed. Historical experience shows that: which country has mastered the ability to enter and exploit the territory of the new activity in the first place will take great strategic advantage or even absolute dominance in international competition. The near space high-speed aircraft has the characteristics of high speed, low height, long endurance, reusability and the like, so that the near space high-speed aircraft becomes an important transportation carrier which can flexibly enter and exit the near space, can quickly reach the space in the world and can go to and go from the space, and becomes the focus of research of various science and technology countries.
When the aircraft flies at hypersonic speed, the temperature can reach thousands or even tens of thousands of degrees centigrade due to pneumatic heating, and air molecules are excited and ionized at high temperature to form a layer of plasma sheath which is coated on the surface of the aircraft. The plasma sheath comprises a large amount of neutral particles, positive ions and free electrons, wherein charged particles (mainly free electrons) can absorb, reflect and scatter electromagnetic waves to cause a series of electromagnetic effects, so that communication and detection signals are distorted, and a series of problems such as change of information system characteristics, even generation of communication 'black barriers', target detection abnormity and the like are caused, so that the plasma sheath becomes a bottleneck restricting the development of near space high-speed aircrafts and a world problem to be solved urgently.
Due to the fact that the antenna is changeable in position in the near space, different wave bands and different pitching angles need to be aimed at in order to simulate the actual electromagnetic communication situation in the near space, the invention designs the wide-band miniaturized antenna array hoisting structure, and the hoisting, rotating, translating and swinging functions of the antenna array in a certain range can be achieved.
Disclosure of Invention
In view of the above, the present invention is directed to a broadband miniaturized antenna array hoisting mechanism suitable for a cabin-through structure, wherein the miniaturized antenna array hoisting mechanism enables an antenna to rotate, swing, lift and move in a translation manner through the cooperation of various mechanisms; by utilizing the cabin penetrating structure, the antenna array can be independently hoisted while the motion of the antenna array is ensured without depending on the strength of a vacuum chamber.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a wide-band miniaturized antenna array hoisting mechanism suitable for a cabin penetrating structure comprises an antenna array lifting mechanism, an antenna array cabin penetrating mechanism, an antenna array translation mechanism and an antenna array rotating mechanism, wherein the antenna array lifting mechanism is arranged outside a vacuum cabin, the antenna array cabin penetrating mechanism penetrates through the vacuum cabin, and the antenna array translation mechanism and the antenna array rotating mechanism are both arranged inside the vacuum cabin;
the antenna array lifting mechanism drives the antenna array to move in the vertical direction; the antenna array cabin penetrating mechanism is arranged on the antenna array lifting mechanism, the antenna array translation mechanism is arranged on the antenna array cabin penetrating mechanism, and the antenna array cabin penetrating mechanism drives the antenna array to move in the horizontal direction; the antenna array rotating mechanism is arranged on the antenna array translation mechanism and realizes rotation of the antenna array.
Furthermore, antenna array hoist mechanism includes crossbeam, slide rail mounting panel, slide rail, plays hanger plate, electric block and lug, respectively installs two slide rail mounting panels in the left and right sides of crossbeam, installs a vertical slide rail on every slide rail mounting panel respectively, and the hanger plate is gone up and down the motion on vertical slide rail to the cooperation together on four vertical slide rails through electric block drive hanger plate.
Furthermore, the antenna array cabin penetrating mechanism comprises pull rod flanges, corrugated pipes, connecting rods, cabin penetrating blind flanges and blind flanges, the upper ends of the pull rod flanges are pull rod ends, the lower ends of the pull rod flanges are flange ends, the two pull rod flanges are symmetrically arranged on two sides of the lifting plate through the respective pull rod ends, the flange end of each pull rod flange is connected with a hollow flange section, the two hollow flange sections are connected with the cabin penetrating blind flanges, the cabin penetrating blind flanges are connected with the vacuum cabin, a connecting rod penetrates through each hollow flange section, the upper ends of the connecting rods are fixed at the flange ends of the pull rod flanges, the lower ends of the connecting rods penetrate through the cabin penetrating blind flanges and extend into the vacuum cabin, the corrugated pipes are sleeved on the hollow flange sections, and the cabin penetrating blind flanges are provided with a plurality of blind flanges.
Furthermore, the antenna array translation mechanism comprises an installation bottom plate, a left side plate, a right side plate, a guide rail, a lead screw, a first coupler, a first vacuum stepping motor and an antenna installation switching assembly, wherein the lower ends of the two connecting rods are connected with the installation bottom plate;
install left side board and right side board respectively in both sides around mounting plate, support the lead screw between right side board and left side board, the lead screw pass through the shaft coupling and be connected with vacuum step motor, vacuum step motor supports through the motor mounting panel of installing on mounting plate, sets up a plurality of antenna installation switching subassemblies on the lead screw, and installs the guide rail that leads antenna installation switching subassembly linear motion on mounting plate, installs an antenna array slewing mechanism on every antenna installation switching subassembly.
Further, the antenna array rotating mechanism comprises a second vacuum stepping motor, a second coupler, a motor mounting seat, an outer sleeve, a vertical transmission shaft, a mounting frame, a first bevel gear, a second bevel gear, an antenna connecting plate and a horizontal rotating shaft, wherein the second vacuum stepping motor is mounted on the motor mounting seat, the upper end of the motor mounting seat is connected with a corresponding antenna mounting and switching assembly, the lower end of the motor mounting seat is connected with the upper end of the outer sleeve, the lower end of the outer sleeve is connected with the mounting frame, the vertical transmission shaft is arranged in the motor mounting seat and the outer sleeve, the upper end of the vertical transmission shaft is connected with the second vacuum stepping motor through the second coupler, the lower end of the vertical transmission shaft is connected with the first bevel gear, the first bevel gear is meshed with the second bevel gear, the second bevel gear is mounted on the horizontal rotating shaft, and the horizontal rotating shaft is supported in the mounting frame in a penetrating manner, and an antenna connecting plate is arranged on the horizontal rotating shaft.
Furthermore, a translation displacement detection assembly is arranged on the antenna array translation mechanism, and a rotation angle detection assembly is arranged on the antenna array rotation mechanism.
Further, the translational displacement detection assembly comprises a proximity switch, a proximity switch induction plate, a linear grating ruler and a linear grating reading head, the linear grating ruler is installed on an installation bottom plate of the antenna array translation mechanism, the linear grating reading head is installed on a rotary lead screw of the antenna array translation mechanism through a hexagon socket head cap screw, the proximity switch 46 is installed on a shell of the antenna array translation mechanism, and the proximity switch induction plate is installed on the shell of the antenna array translation mechanism; the measurement of the movement displacement of the antenna installation switching assembly is realized through the linear grating ruler and the linear grating reading head, and the limit protection of the antenna array translation mechanism is realized through the proximity switch.
Furthermore, the rotation angle detection assembly comprises a circular grating ruler, a circular grating reading head, a limit switch induction plate and a limit switch, the circular grating ruler is installed on a circular grating ruler installation plate, the circular grating reading head is installed on a reading head installation plate, the circular grating ruler installation plate and the reading head installation plate are both installed on the outer side of the installation frame, and the measurement of the actual rotation angle of the horizontal rotating shaft is realized by utilizing photoelectric induction through the circular grating ruler and the circular grating reading head; a limit switch induction plate is arranged on the horizontal rotating shaft, a limit switch is arranged on the horizontal rotating shaft, and limit protection of the antenna array rotating mechanism is achieved through the limit switch.
Furthermore, the first vacuum stepping motors and the lead screws are respectively arranged in three numbers, the three lead screws are arranged in parallel, each first vacuum stepping motor drives one lead screw to rotate, and each lead screw is provided with one antenna mounting and switching assembly.
Furthermore, two ends of the vertical transmission shaft and the horizontal rotating shaft are respectively provided with a bearing support.
Compared with the prior art, the broadband miniaturized antenna array hoisting mechanism suitable for the cabin penetrating structure has the following advantages:
1. the wide-band miniaturized antenna array hoisting of the application enables the antenna array to move in a translation, rotation, swing and lifting mode through the cooperation of various mechanisms.
2. The cabin penetrating structure is utilized, the strength of the vacuum cavity is not depended on, and the antenna array can be independently hoisted while the antenna array is guaranteed to move.
3. The antenna array hoisting mechanism protects the vacuum chamber from being extruded and deformed by the moving mechanism.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic perspective view of a wide-band miniaturized antenna array hoisting mechanism suitable for a cabin penetration structure according to an embodiment of the present invention;
fig. 2 is a front view of a hoisting mechanism for a wide-band miniaturized antenna array suitable for a cabin penetration structure according to an embodiment of the present invention;
fig. 3 is a front view of an antenna array lifting mechanism according to an embodiment of the present invention;
fig. 4 is a side view of an antenna array lifting mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an antenna array cabin penetration mechanism;
fig. 6 is a bottom view of the antenna array translation mechanism;
fig. 7 is a top view of an antenna array translation mechanism;
FIG. 8 is a cross-sectional view taken along line S-S of FIG. 7;
fig. 9 is a schematic perspective view of an antenna array translation mechanism;
fig. 10 is a front view of the antenna array rotation mechanism;
FIG. 11 is a sectional view taken along line A-A of FIG. 10;
FIG. 12 is an enlarged view of FIG. 11 at B;
fig. 13 is a schematic perspective view of an antenna array rotation mechanism.
Description of reference numerals:
1-antenna array lifting mechanism, 2-antenna array cabin penetrating mechanism, 3-antenna array translation mechanism, 4-antenna array rotation mechanism, 5-beam, 6-slide rail mounting plate, 7-vertical slide rail, 8-lifting plate, 9-electric hoist, 10-lifting lug, 11-hollow flange section, 12-pull rod flange, 13-corrugated pipe, 14-connecting rod, 15-cabin penetrating blind flange, 16-blind flange, 17-mounting bottom plate, 18-left side plate, 19-right side plate, 20-guide rail, 21-lead screw, 22-first coupler, 23-first vacuum stepper motor, 24-motor mounting plate, 25-C/F antenna mounting component, 26-E antenna mounting component, 27-second vacuum stepper motor, 28-a second coupler, 29-a motor mounting seat, 30-an outer sleeve, 31-a vertical transmission shaft, 32-a mounting frame, 33-a second bevel gear, 34-an antenna connecting plate, 35-a horizontal rotating shaft, 36-a proximity switch induction plate, 37-a linear grating ruler, 38-a linear grating reading head, 39-a circular grating ruler, 40-a circular grating reading head, 41-a limit switch induction plate, 42-a limit switch, 43-a first bevel gear, 44-a circular grating ruler mounting plate, 45-a reading head mounting plate and 46-a proximity switch.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 13, a broadband miniaturized antenna array hoisting mechanism suitable for a cabin penetrating structure comprises an antenna array lifting mechanism 1, an antenna array cabin penetrating mechanism 2, an antenna array translation mechanism 3 and an antenna array rotating mechanism 4, wherein the antenna array lifting mechanism 1 is arranged outside a vacuum cabin, the antenna array cabin penetrating mechanism 2 penetrates through the vacuum cabin, and the antenna array translation mechanism 3 and the antenna array rotating mechanism are both arranged inside the vacuum cabin;
the antenna array lifting mechanism 1 drives the antenna array to move in the vertical direction; the antenna array cabin penetrating mechanism 2 is arranged on the antenna array lifting mechanism 1, the antenna array translation mechanism 3 is arranged on the antenna array cabin penetrating mechanism 2, and the antenna array cabin penetrating mechanism 2 drives the antenna array to move in the horizontal direction; the antenna array rotating mechanism 6 is installed on the antenna array translation mechanism 3, the antenna array rotating mechanism 4 realizes rotation of the antenna array, the antenna array related to the application consists of a low-frequency oscillator antenna, an intermediate-frequency horn antenna and a high-frequency dielectric rod antenna, and the antenna array is positioned into three groups according to different measuring positions, wherein each group is an antenna array.
Antenna array hoist mechanism 1 includes crossbeam 5, slide rail mounting panel 6, vertical slide rail 7, the hanger plate 8 that rises, electric block 9 and lug 10, respectively install two slide rail mounting panels 6 in the left and right sides of crossbeam 5, install a vertical slide rail 7 on every slide rail mounting panel 6 respectively, the cooperation hanger plate 8 together on four vertical slide rails 7, it goes up the ascending and descending motion at vertical slide rail 7 to drive the hanger plate 8 through electric block 9, the wire rope of electric block 9 passes and connects hanger plate 7 behind the lug 10 that is located on crossbeam 5. The working principle of the antenna array lifting mechanism 1 is as follows: the electric hoist 9 works, the lifting plate 7 is driven to lift through the steel wire rope, and after the electric hoist 9 rises to a required position, the electric hoist 9 stops working.
The antenna array cabin penetrating mechanism 2 comprises pull rod flanges 12, corrugated pipes 13, connecting rods 14, cabin penetrating blind flanges 15 and blind flanges 16, the upper ends of the pull rod flanges 12 are pull rod ends, the lower ends of the pull rod flanges 12 are flange ends, the two pull rod flanges 12 are arranged, the two pull rod flanges 12 are symmetrically arranged on two sides of a lifting plate 8 through the respective pull rod ends, the flange end of each pull rod flange 12 is respectively connected with a hollow flange section 11, the two hollow flange sections 11 are connected with the cabin penetrating blind flange 15, the cabin penetrating blind flange 15 is connected with a vacuum cabin, a connecting rod 14 penetrates through each hollow flange section 11, the upper end of each connecting rod 14 is fixed at the flange end of each pull rod flange, the lower end of each connecting rod 14 penetrates through the cabin penetrating blind flange 15 and extends into the vacuum cabin, the blind corrugated pipes 13 are sleeved on the hollow flange sections 11, the cabin penetrating flanges 15 are provided with the blind flanges 16, and the mechanism can ensure that the action force of the lifting mechanism on the lifting of an antenna acts on the cabin penetrating flanges, the bellows 13 and the pull rod flange can ensure the normal movement of the lifting mechanism; the utility model provides a bellows plays the effect of buffering and increase deformation allowance in the mechanism of wearing the cabin, and the bellows is flexible, can effectively avoid the vacuum destruction that deformation brought when wearing cabin structural part to take place deformation (like the evacuation).
The antenna array translation mechanism 3 comprises an installation bottom plate 17, a left side plate 18, a right side plate 19, a guide rail 20, a lead screw 21, a first coupler 22, a first vacuum stepping motor 23 and an antenna installation switching assembly, wherein the lower ends of the two connecting rods 14 are connected with the installation bottom plate 17;
install left side board 18 and right side board 19 respectively in the left and right sides of mounting plate 17, support lead screw 21 between right side board 19 and left side board 18, lead screw 21 be connected with first vacuum step motor 23 through first shaft coupling 22, first vacuum step motor 23 supports through installing motor mounting panel 24 on mounting plate 17, sets up a plurality of antenna installation switching subassemblies on lead screw 21, and installs the guide rail that leads antenna installation switching subassembly linear motion on mounting plate 17, installs antenna array slewing mechanism 4 on every antenna installation switching subassembly, and antenna installation switching subassembly includes two C/F antenna installation subassemblies 25 and an E antenna installation subassembly 26. The working principle of the antenna array translation mechanism 3 is as follows: the first vacuum stepping motor 23 drives the corresponding lead screw 21 to rotate, the lead screw 21 rotates to drive the antenna mounting and switching assembly on the lead screw to move, and the lead screw nut matching principle is utilized.
The antenna array rotating mechanism 4 comprises a second vacuum stepping motor 27, a second coupler 28, a motor mounting seat 29, an outer sleeve 30, a vertical transmission shaft 31, a mounting frame 32, a first bevel gear 43, a second bevel gear 33, an antenna connecting plate 34 and a horizontal rotating shaft 35, wherein the second vacuum stepping motor 27 is mounted on the motor mounting seat 29, the upper end of the motor mounting seat 29 is connected with a corresponding antenna mounting and switching assembly, the lower end of the motor mounting seat 29 is connected with the upper end of the outer sleeve 30, the lower end of the outer sleeve 30 is connected with the mounting frame 32, the vertical transmission shaft 31 is arranged in the motor mounting seat 29 and the outer sleeve 30, the upper end of the vertical transmission shaft 31 is connected with the second vacuum stepping motor 27 through the second coupler 28, the lower end of the vertical transmission shaft is connected with the first bevel gear 43, the first bevel gear 43 is meshed with the second bevel gear 33, and the second bevel gear 33 is mounted on the horizontal rotating shaft 35, the horizontal rotating shaft 35 is supported in the mounting frame 32 in a penetrating way, and an antenna connecting plate is installed on the horizontal rotating shaft 35. The working principle of the antenna array rotating mechanism 4 is as follows: the second vacuum stepping motor 27 drives the corresponding vertical transmission shaft 31 to rotate, the first bevel gear 43 on the vertical transmission shaft 31 is meshed with the second bevel gear 33 on the horizontal rotating shaft 35, the rotation is transmitted to the horizontal rotating shaft 35, and the horizontal rotating shaft 35 rotates to drive the antenna connecting plate thereon to rotate, so that the corresponding antenna group is driven to move.
A translation displacement detection assembly is arranged on the antenna array translation mechanism 3, and a rotation angle detection assembly is arranged on the antenna array rotation mechanism 4;
the translational displacement detection assembly comprises a proximity switch 46, a proximity switch induction plate 36, a linear grating ruler 37 and a linear grating reading head 38, wherein the linear grating ruler 37 is installed on the installation bottom plate 17 of the antenna array translation mechanism 3, the linear grating reading head 38 is installed on a rotary screw 21 of the antenna array translation mechanism 3 through a hexagon socket head cap screw, the proximity switch 46 is installed on a shell of the antenna array translation mechanism 3, and the proximity switch induction plate 36 is installed on the shell of the antenna array translation mechanism 3; the measurement of the moving displacement of the antenna mounting and switching assembly is realized through the linear grating ruler 37 and the linear grating reading head 38, and the limit protection of the antenna array translation mechanism 3 is realized through the proximity switch 46.
The rotation angle detection assembly comprises a circular grating ruler 39, a circular grating reading head 40, a limit switch induction plate 41 and a limit switch 42, the circular grating ruler 39 is installed on a circular grating ruler installation plate 44, the circular grating reading head 40 is installed on a reading head installation plate 45, the circular grating ruler installation plate 44 and the reading head installation plate 45 are both installed on the outer side of the installation frame, and the actual rotation angle of the horizontal rotating shaft 35 is measured by utilizing photoelectric induction through the circular grating ruler 39 and the circular grating reading head 40; a limit switch induction plate 41 is installed on the horizontal rotating shaft 35, a limit switch 42 is installed on the horizontal rotating shaft 35, and limit protection of the antenna array rotating mechanism 4 is realized through the limit switch 42.
The first vacuum stepping motors and the lead screws are respectively arranged in three numbers, the three lead screws are arranged in parallel, each first vacuum stepping motor drives one lead screw to rotate, and each lead screw is provided with one antenna mounting and switching assembly. A bearing support is respectively arranged at two ends of the vertical transmission shaft 31 and the horizontal rotating shaft 35.
The antenna group hoisting mechanism is a common hoisting mechanism for three antenna groups (C, E, F), each antenna group is an array formed by three antennas, the three antenna groups are hoisted together during hoisting, but the movement, the rotation and the swing can be independently controlled; when this application during specific use, connect corresponding antenna on the connecting plate after, drive three antenna stack simultaneously and go up and down through antenna array hoist mechanism 1, translate to the antenna stack that needs to remove and rotate required pivoted antenna stack through antenna array slewing mechanism 4 through antenna array translation mechanism 3, after adjusting every antenna stack to required position, three antenna begins to work.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a wide band section miniaturization antenna array hoisting machine constructs suitable for cross cabin structure which characterized in that: the antenna array lifting mechanism is arranged outside the vacuum chamber, the antenna array cabin penetrating mechanism penetrates through the vacuum chamber, and the antenna array translation mechanism and the antenna array rotation mechanism are both arranged inside the vacuum chamber;
the antenna array lifting mechanism drives the antenna array to move in the vertical direction; the antenna array cabin penetrating mechanism is arranged on the antenna array lifting mechanism, the antenna array translation mechanism is arranged on the antenna array cabin penetrating mechanism, and the antenna array cabin penetrating mechanism drives the antenna array to move in the horizontal direction; the antenna array rotating mechanism is arranged on the antenna array translation mechanism and realizes rotation of the antenna array.
2. The mechanism of claim 1, wherein the antenna array is adapted for hoisting in a cross-hatch configuration over a wide frequency band, and wherein: the antenna array lifting mechanism comprises a cross beam, slide rail mounting plates, slide rails, a lifting plate, an electric hoist and lifting lugs, wherein the two slide rail mounting plates are respectively mounted on the left side and the right side of the cross beam, a vertical slide rail is respectively mounted on each slide rail mounting plate, the four vertical slide rails are matched with one lifting plate, and the electric hoist drives the lifting plate to move up and down on the vertical slide rails.
3. The mechanism of claim 2, wherein the antenna array is adapted for use in a cross-hatch configuration for hoisting a wide band of miniaturized antennas, and further comprising: the antenna array cabin penetrating mechanism comprises pull rod flanges, corrugated pipes, connecting rods, cabin penetrating blind flanges and blind flanges, the upper ends of the pull rod flanges are pull rod ends, the lower ends of the pull rod flanges are flange ends, the two pull rod flanges are symmetrically arranged on two sides of a lifting plate through the respective pull rod ends, the flange end of each pull rod flange is connected with a hollow flange section, the two hollow flange sections are connected with the cabin penetrating blind flanges, the cabin penetrating blind flanges are connected with a vacuum cabin, a connecting rod penetrates through each hollow flange section, the upper ends of the connecting rods are fixed at the flange ends of the pull rod flanges, the lower ends of the connecting rods penetrate through the cabin penetrating blind flanges and extend into the vacuum cabin, the corrugated pipes are sleeved on the hollow flange sections, and the cabin penetrating blind flanges are provided with a plurality of blind flanges.
4. The mechanism of claim 3, wherein the antenna array is adapted for use in a cross-hatch configuration and comprises: the antenna array translation mechanism comprises a mounting bottom plate, a left side plate, a right side plate, a guide rail, a lead screw, a first coupler, a first vacuum stepping motor and an antenna mounting and switching assembly, wherein the lower ends of the two connecting rods are connected with the mounting bottom plate;
install left side board and right side board respectively in both sides around mounting plate, support the lead screw between right side board and left side board, the lead screw pass through the shaft coupling and be connected with vacuum step motor, vacuum step motor supports through the motor mounting panel of installing on mounting plate, sets up a plurality of antenna installation switching subassemblies on the lead screw, and installs the guide rail that leads antenna installation switching subassembly linear motion on mounting plate, installs an antenna array slewing mechanism on every antenna installation switching subassembly.
5. The mechanism of claim 4, wherein the antenna array is adapted for hoisting through a cabin structure over a wide frequency band, and wherein: the antenna array rotating mechanism comprises a second vacuum stepping motor, a second coupler, a motor mounting seat, an outer sleeve, a vertical transmission shaft, a mounting rack, a first bevel gear, a second bevel gear, an antenna connecting plate and a horizontal rotating shaft, the second vacuum stepping motor is arranged on the motor mounting seat, the upper end of the motor mounting seat is connected with the corresponding antenna mounting and switching assembly, the lower end of the motor mounting seat is connected with the upper end of the outer sleeve, the lower end of the outer sleeve is connected with the mounting frame, the vertical transmission shaft is arranged in the motor mounting seat and the outer sleeve, the upper end of the vertical transmission shaft is connected with the second vacuum stepping motor through a second coupler, the lower end of the vertical transmission shaft is connected with a first bevel gear, the first bevel gear is meshed with the second bevel gear which is arranged on the horizontal rotating shaft, the horizontal rotating shaft is supported in the mounting frame in a penetrating mode, and an antenna connecting plate is installed on the horizontal rotating shaft.
6. The mechanism of claim 5, wherein the antenna array is adapted for hoisting through a cabin structure over a wide frequency band, and wherein the mechanism comprises: the antenna array translation mechanism is provided with a translation displacement detection assembly, and the antenna array rotating mechanism is provided with a rotating angle detection assembly.
7. The mechanism of claim 6, wherein the antenna array is adapted for hoisting through a cabin structure over a wide frequency band, and wherein: the translational displacement detection assembly comprises a proximity switch, a proximity switch induction plate, a linear grating ruler and a linear grating reading head, wherein the linear grating ruler is installed on an installation bottom plate of the antenna array translation mechanism, the linear grating reading head is installed on a rotary screw rod of the antenna array translation mechanism through a hexagon socket head cap screw, the proximity switch is installed on a shell of the antenna array translation mechanism, and the proximity switch induction plate is installed on the shell of the antenna array translation mechanism; the measurement of the movement displacement of the antenna installation switching assembly is realized through the linear grating ruler and the linear grating reading head, and the limit protection of the antenna array translation mechanism is realized through the proximity switch.
8. The mechanism of claim 6, wherein the antenna array is adapted for hoisting through a cabin structure over a wide frequency band, and wherein: the rotation angle detection assembly comprises a circular grating ruler, a circular grating reading head, a limit switch induction plate and a limit switch, the circular grating ruler is installed on a circular grating ruler installation plate, the circular grating reading head is installed on a reading head installation plate, the circular grating ruler installation plate and the reading head installation plate are both installed on the outer side of the installation frame, and the actual rotation angle of the horizontal rotating shaft is measured by utilizing photoelectric induction through the circular grating ruler and the circular grating reading head; a limit switch induction plate is arranged on the horizontal rotating shaft, a limit switch is arranged on the horizontal rotating shaft, and limit protection of the antenna array rotating mechanism is achieved through the limit switch.
9. The mechanism of claim 4, wherein the antenna array is adapted for hoisting through a cabin structure over a wide frequency band, and wherein: the first vacuum stepping motors and the lead screws are respectively provided with three lead screws which are arranged in parallel, each first vacuum stepping motor drives one lead screw to rotate, and each lead screw is provided with one antenna mounting and switching assembly.
10. The mechanism of claim 5, wherein the antenna array is adapted for hoisting through a cabin structure over a wide frequency band, and wherein the mechanism comprises: two ends of the vertical transmission shaft and the horizontal rotating shaft are respectively provided with a bearing support.
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| CN202111086438.2A CN113922087B (en) | 2021-09-16 | 2021-09-16 | Wide band section miniaturization antenna array hoisting mechanism suitable for cross cabin structure |
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| CN202111086438.2A CN113922087B (en) | 2021-09-16 | 2021-09-16 | Wide band section miniaturization antenna array hoisting mechanism suitable for cross cabin structure |
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| CN113922087B CN113922087B (en) | 2022-06-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116053844A (en) * | 2023-01-18 | 2023-05-02 | 哈尔滨工业大学 | Lead cabin penetrating structure capable of resisting strong pulse electromagnetic force impact under high vacuum condition |
| CN116520034A (en) * | 2023-04-18 | 2023-08-01 | 哈尔滨工业大学 | Electromagnetic transmission measurement ground simulation system in near space plasma environment |
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| CN116520034A (en) * | 2023-04-18 | 2023-08-01 | 哈尔滨工业大学 | Electromagnetic transmission measurement ground simulation system in near space plasma environment |
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| CN113922087B (en) | 2022-06-17 |
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