CN115057004A - Telescopic turntable and satellite provided with same - Google Patents
Telescopic turntable and satellite provided with same Download PDFInfo
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- CN115057004A CN115057004A CN202210474258.XA CN202210474258A CN115057004A CN 115057004 A CN115057004 A CN 115057004A CN 202210474258 A CN202210474258 A CN 202210474258A CN 115057004 A CN115057004 A CN 115057004A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
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Abstract
The invention relates to a telescopic turntable and a satellite provided with the same; the technical problem that contradiction exists between the increase of the satellite functions and the size of the satellite in the prior art is solved; the telescopic rotary table comprises a telescopic device, a rotating shaft, a locking and positioning device, a primary sleeve group and a secondary sleeve; the primary sleeve group is arranged on external equipment, the secondary sleeve slides in the primary sleeve group, and the lower end of the secondary sleeve is connected with the external equipment through a telescopic device; the outer diameter of the lower end of the secondary sleeve is larger than that of the upper end of the secondary sleeve; the inner shape of the upper end of the primary sleeve group is matched with the outer shape of the lower end of the secondary sleeve; the rotating shaft is arranged in the secondary sleeve, and the upper end of the rotating shaft is used for mounting an external load; the locking and positioning device is arranged on one side of the primary sleeve group and used for positioning and locking the position of the secondary sleeve; the invention also provides a satellite provided with the telescopic turntable.
Description
Technical Field
The invention relates to space equipment, in particular to a telescopic turntable and a satellite provided with the same.
Background
Since twenty-first century, the aerospace industry has entered a rapid development period, but in the development process of the aerospace industry, some problems which are difficult to solve also exist, for example, the cost of launching a spacecraft is very huge, and reducing the launching cost becomes an important challenge and hardening subject in the development process of the aerospace industry of various countries.
At present, two main directions for reducing the launching cost are rocket recovery and one rocket with multiple stars, and the rocket recovery technology is mature only in very individual countries, but has great technical difficulty and is a main direction for the development of the global aerospace industry; compared with a rocket recovery technology, the rocket multi-satellite launching mode is low in difficulty, the technology has the advantages that the requirement on the condition of the satellite is increased, the size of the satellite is required to be small, the structure is compact, but the size of the satellite is inevitably increased along with the increase of the functions of the satellite, and therefore, in the practical application process, the contradiction between the increase of the functions of the satellite and the small size of the satellite is solved.
Disclosure of Invention
The invention aims to solve the technical problem of contradiction between the increase of satellite functions and the small size of a satellite in the prior art, and provides a telescopic turntable and a satellite provided with the same.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a telescopic type rotary table is characterized in that:
the locking device comprises a telescopic device, a rotating shaft, a locking and positioning device, a primary sleeve group and a secondary sleeve;
the primary sleeve set is arranged on external equipment, the secondary sleeve is arranged in the primary sleeve set and can slide in the primary sleeve set, the lower end of the secondary sleeve is connected with the external equipment through the telescopic device, and the telescopic device is used for providing power for the secondary sleeve to slide in the primary sleeve set;
the outer diameter of the lower end of the secondary sleeve is larger than that of the upper end of the secondary sleeve;
the inner shape of the upper end of the primary sleeve group is matched with the outer shape of the lower end of the secondary sleeve, the inner diameter of the upper end of the primary sleeve group is smaller than the outer diameter of the lower end of the secondary sleeve, the outer part of the lower end of the secondary sleeve and the inner part of the upper end of the primary sleeve group are set to be in a matched shape, when the outer diameter of the lower end of the secondary sleeve is larger than the outer diameter of the upper end of the secondary sleeve, the secondary sleeve can be prevented from sliding out of the primary sleeve group under the pushing of the telescopic device, and therefore the stability of an external load is guaranteed;
the rotating shaft is arranged in the secondary sleeve, the upper end of the rotating shaft is used for installing an external load, and when the rotating shaft is rotatably connected in the secondary sleeve, the external load has a rotating function;
the locking and positioning device is arranged on one side of the primary sleeve group and connected with the secondary sleeve and used for positioning and locking the position of the secondary sleeve, namely the position of the secondary sleeve is locked when the telescopic rotary table is in a contraction state and is extended to a working state.
Further, the telescoping device comprises a thrust plate and at least one extension spring;
the upper end face of the thrust plate is connected with the lower end of the secondary sleeve, the lower end face of the thrust plate is connected with one end of an extension spring, and the other end of the extension spring is connected to external equipment;
the telescopic device selects the extension spring to provide the sliding power of the secondary sleeve, and has the advantages of high corresponding speed, small mass, less power consumption, small occupied space, low cost, resource saving and the like compared with an electric drive telescopic device.
Furthermore, the telescopic device also comprises a guide rod and a guide cylinder;
the guide cylinder is arranged on external equipment;
the guide rod can be slidably arranged in the guide cylinder, and the sliding direction of the guide rod is consistent with that of the secondary sleeve;
the upper end of the guide rod is connected with the lower end face of the thrust plate;
the extension spring is sleeved outside the guide cylinder, and the deformation direction of the extension spring can be limited through the guide rod and the guide cylinder, so that the service life of the extension spring can be prolonged, and the sliding stability of the secondary sleeve can be improved.
Further, the outer part of the lower end of the secondary sleeve is of an outer conical structure;
the locking positioning device comprises a microswitch, a locking assembly and a through groove which is arranged on the side wall of the primary sleeve group and is used for an action reed of the microswitch to pass through;
the microswitch is arranged on the side wall of the primary sleeve set, and an action reed of the microswitch penetrates through the through groove and then is arranged in the primary sleeve set;
the locking assembly is arranged on the outside of the primary sleeve set and/or external equipment, is positioned below the micro switch and is used for fixing the position of the secondary sleeve, and the working principle of the locking and positioning device is as follows: the secondary sleeve slides upwards along the primary sleeve group, so that the side wall of the secondary sleeve is contacted with the action reed, the secondary sleeve continues to slide upwards until a movable contact at the tail end of the action reed is contacted and conducted with a fixed contact on the microswitch, and the locking assembly is started immediately to fix the position of the secondary sleeve;
the selected microswitch has the advantages of short action stroke, small pressing power, quick on-off and the like.
Furthermore, the locking assembly comprises a motor, a steel wire rope, at least two locking pins and unlocking springs arranged on two sides of each locking pin;
the outer part of the secondary sleeve is provided with pin holes with the number consistent with that of the locking pins;
a through groove is formed in the primary sleeve group at the same position of the pin hole, the locking pins are arranged in the through groove in a one-to-one sliding mode, one end of the unlocking spring is installed and tightly propped against the locking pins, and the other end of the unlocking spring is installed and tightly propped against the primary sleeve group and used for driving the locking pins to slide in the through groove;
arc-shaped steel wire grooves are formed in the primary sleeve group and the outer parts of the locking pins;
one end of the steel wire rope is connected with the output end of the motor, and the other end of the steel wire rope is wound around an arc-shaped steel wire groove which is formed by the primary sleeve group and the locking pin and is fixed on the primary sleeve group;
the motor is arranged outside the primary sleeve group and/or on external equipment.
Further, the rotating shaft is connected with an external load through a mounting plate;
a plurality of explosive bolts are arranged between the mounting plate and the external equipment, and are used for fixing the external load and the external equipment when the telescopic device is compressed and unlocking the mounting plate when the telescopic device is released;
it is a plurality of explosion bolt evenly sets up in the mounting panel periphery along circumference for connect external equipment and external load, the mounting panel through setting up is more convenient for install external load, through the explosion bolt that sets up, when the telescoping device compression, can further strengthen external load's stability, together with locking Assembly, plays dual fixed effect, and when external load released, explosion bolt had the fast advantage of response speed than other fixed modes.
Further, the rotating shaft is rotatably connected with the inside of the secondary sleeve through a bearing assembly;
the bearing assembly comprises a bearing group and a bearing positioning cover arranged at the upper end of the bearing group;
the outer part of the bearing positioning cover is step-shaped, and the upper end surface of the primary sleeve group is attached to the step surface of the bearing positioning cover;
the outside step form that is of pivot, bearing group lower extreme and step face laminating adopt the bearing group to accomplish the rotation of second grade sleeve inside and pivot and be connected, and are more stable to be convenient for change and lubricated, the bearing location lid mutually supports with the step face of pivot, realizes the location of bearing group, and through the step face of bearing location lid, can realize under the telescoping device shrink state, bearing location lid and the laminating of one-level sleeve group up end play the positioning action together.
Further, the primary sleeve group comprises a primary sleeve and a sleeve positioning cylinder coaxially arranged at the upper end of the primary sleeve;
the primary sleeve is mounted on external equipment;
the inner shape of the sleeve positioning cylinder is matched with the shape of the lower end of the outer part of the secondary sleeve;
the micro switch and the through groove are arranged on the sleeve positioning cylinder.
Meanwhile, the invention also provides a satellite provided with the telescopic turntable, which is characterized in that: the device comprises a satellite platform cabin and a telescopic rotary table arranged on the satellite platform cabin;
the telescopic rotary table adopts the telescopic rotary table;
the lower end of a primary sleeve group in the telescopic rotary table is arranged outside the satellite platform cabin, and an inserting notch through which the secondary sleeve passes is formed in the satellite platform cabin below the secondary sleeve;
one end of the telescopic device is arranged in the satellite platform cabin, and the other end of the telescopic device is arranged at the bottom of the secondary sleeve;
the locking and positioning device is arranged outside the primary sleeve group;
the satellite platform cabin is connected with an external load.
The invention has the beneficial effects that:
1. according to the telescopic turntable, the primary sleeve set and the secondary sleeve are arranged, so that the rotating shaft arranged in the secondary sleeve is provided with a telescopic function, the power for the secondary sleeve to slide along the primary sleeve set is provided through the arranged telescopic device, the outer diameter of the lower end of the secondary sleeve is designed to be larger than the outer diameter of the upper end of the secondary sleeve, the secondary sleeve can be prevented from being separated from the primary sleeve set, the secondary sleeve can be conveniently positioned through size difference, and the locking of the secondary sleeve can be realized through the arranged locking and positioning device, so that the position of the secondary sleeve is fixed, and the stability and the safety of the operation of external equipment are ensured;
through the design of above-mentioned structure, both guaranteed to increase external load, can realize the dimensional change of whole concertina type revolving stage again through the flexible of telescoping device.
2. According to the telescopic type rotary table, the position of the secondary sleeve can be locked when the telescopic type rotary table is in a contraction state and is extended to a working state through the arranged locking assembly, and the stability of the secondary sleeve is ensured.
3. According to the satellite provided with the telescopic turntable, the height of the satellite is reduced during launching, so that the gravity center of the satellite is reduced, the stress state of the satellite in the launching stage is improved, and the launching stability of the satellite is improved.
4. The satellite provided with the telescopic turntable reduces the volume of the satellite and realizes the one-arrow-more-star function.
5. According to the satellite provided with the telescopic type rotary table, due to the design of the overall structure, the telescopic type rotary table arranged on the satellite platform cabin is in a contraction state when being launched, so that the overall height of the satellite is reduced, and after the satellite reaches a preset orbit, the locking positioning device is unlocked, and the satellite is stretched to a working state, so that the contradiction between the increase of the functions of the satellite and the volume of the satellite is solved.
Drawings
FIG. 1 is a schematic structural diagram of a locking state of an embodiment of a satellite provided with a telescopic turntable according to the invention;
FIG. 2 is a schematic structural diagram of a satellite equipped with a retractable turntable according to an embodiment of the present invention in an operating state;
fig. 3 is a schematic structural view of a locking pin in an embodiment of a satellite equipped with a telescopic turntable according to the present invention;
FIG. 4 is a structural diagram illustrating an unlocked state of a locking pin in an embodiment of a satellite equipped with a retractable turntable according to the present invention;
fig. 5 is a structural diagram illustrating a fastening and tightening state of a locking pin in an embodiment of a satellite with a telescopic turntable according to the present invention.
In the figure, 1, a satellite platform cabin; 2. mounting a plate; 3. a bearing set; 4. a secondary sleeve; 5. a rotating shaft; 6. a bearing positioning cap; 7. a sleeve positioning cylinder; 8. a primary sleeve; 9. a locking pin; 10. exploding the bolt; 11. a guide bar; 12. an extension spring; 13. a thrust plate; 14. a microswitch; 15. a motor; 16. a wire rope; 17. an unlocking spring; 18. and a guide cylinder.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention provides a satellite provided with a telescopic turntable, which comprises a satellite platform cabin 1 and the telescopic turntable as shown in figures 1 and 2;
the telescopic rotary table comprises a telescopic device, a rotating shaft 5, a locking and positioning device, a primary sleeve group, a secondary sleeve 4, a mounting plate 2, a bearing assembly and a plurality of explosive bolts 10;
the telescopic device comprises a guide rod 11, an extension spring 12, a thrust plate 13 and a guide cylinder 18;
the locking and positioning device comprises a microswitch 14, a locking assembly and a through groove which is arranged on the side wall of the primary sleeve group and is used for an action reed of the microswitch 14 to pass through;
the locking assembly comprises a motor 15, a steel wire rope 16, six locking pins 9 and two unlocking springs 17, one end of each unlocking spring is mounted on each locking pin 9, and the motor 15 is a hoisting motor;
the bearing assembly comprises a bearing set 3 and a bearing positioning cover 6 arranged at the upper end of the bearing set 3;
one-level sleeve group includes one-level sleeve 8 and coaxial arrangement at the sleeve location section of thick bamboo 7 of one-level sleeve 8 upper end.
The concrete connection mode of each part is as follows:
The outer part of the lower end of the secondary sleeve 4 is of an outer conical structure, and the inner part of a sleeve positioning cylinder 7 which is coaxially connected to the upper end of the primary sleeve 8 is matched with the outer conical structure.
Inside 3 rotations through the bearing group of the second grade sleeve 4 are connected with pivot 5, and pivot 5 is step-like structure, and big footpath end is located the lower part, and the lower extreme of bearing group 3 is laminated with the step face of pivot 5, and step-like structure's bearing location lid 6 is installed to 3 upper ends of bearing group, and the big footpath end setting of bearing location lid 6 is in the upper end, and when the telescoping device was in compression state, the step face of bearing location lid 6 was laminated with sleeve location section of thick bamboo 7.
The upper end of the rotating shaft 5 is connected with the mounting plate 2, the longitudinal section of the mounting plate 2 is of an inverted U-shaped structure, and a plurality of explosive bolts 10 are mounted between the mounting plate 2 and the satellite platform cabin 1.
A through groove is formed in the side wall of the sleeve positioning cylinder 7, a microswitch 14 is installed at the through groove, and an action reed of the microswitch 14 passes through the through groove and then is placed in the sleeve positioning cylinder 7;
six logical grooves have been seted up to 8 week sides of one-level sleeve, are located six and have seted up corresponding pinhole on leading to the second grade sleeve 4 of groove department, lead to inslot sliding connection and have fitting pin 9, be connected with the unanimous unblock spring 17 of two flexible directions and fitting pin 9 slip directions between fitting pin 9 and the logical groove, fitting pin 9 all is provided with arc steel wire groove with 8 outsides of one-level sleeve.
The steel wire rope 16 is wound in the arc-shaped steel wire groove of the primary sleeve 8 and the arc-shaped steel wire groove of the locking pin 9, one end of the steel wire rope 16 is fixed on the primary sleeve 8, the other end of the steel wire rope 16 is fixed on a rotor of the hoisting motor 15, and the steel wire rope 16 is tightened and loosened by forward and reverse rotation of the hoisting motor 15.
In order to ensure that the locking pin 9 is ejected from the corresponding pin hole on the secondary sleeve 4; the through groove is arranged to be step-shaped, the small diameter position of the through groove is matched with one end of the locking pin 9, and the large diameter position of the through groove is provided with a position for installing the unlocking spring 17, so that the expansion and contraction of the unlocking spring 17 are not interfered.
As shown in fig. 3, the locking pin 9 is preferably designed to have a rectangular parallelepiped section and a tapered wedge section, and the pin hole is designed to have a shape corresponding to the tapered wedge section.
Preferably, the guiding cylinder 18 can be a multi-layer telescopic rod structure, and further can increase the telescopic range of the secondary sleeve 4.
The working principle of the satellite provided with the telescopic turntable is as follows:
before satellite transmission: firstly, assembling all parts according to implementation requirements, and then downwards compressing the mounting plate 2 provided with an external load until the bearing positioning cover 6 is attached to the sleeve positioning cylinder 7; the hoisting motor 15 rotates to tighten the steel wire rope 16, at this time, the locking pin 9 is contracted towards the inside of the secondary sleeve 4 under the action of the steel wire rope 16, and finally, the wedge-shaped surface at the front end of the locking pin 9 is inserted into the pin hole of the secondary sleeve 4, as shown in fig. 5, and at this time, the guide rod 11 and the extension spring 12 are also compressed; finally, the mounting plate 2 is fixedly connected with the satellite platform cabin 1 by using explosive bolts 10, and the effect is shown in figure 1.
After the satellite enters the orbit: firstly, an unlocking signal is sent to the satellite, at the moment, the explosion bolt 10 explodes, the mounting plate 2 is separated from the satellite platform cabin 1, the winding motor 15 rotates reversely, the steel wire rope 16 is loosened, and the locking pin 9 is ejected out of the square pin hole of the secondary sleeve 4 under the elastic force of the unlocking spring 17, as shown in fig. 4; after unlocking, the secondary sleeve 4 is guided by the guide rod 11 and returns to the working state under the elastic force of the extension spring 12. When the matching of the outer conical surface of the secondary sleeve 4 and the inner conical surface of the sleeve positioning cylinder 7 is completed, the outer conical surface of the secondary sleeve 4 triggers the micro switch 14 and sends a positioning ending instruction, then the hoisting motor 15 rotates, the steel wire rope 16 is tightened, the wedge-shaped surface of the locking pin 9 is pressed against the bottom surface of the secondary sleeve 4, and the turntable and the satellite platform cabin 1 are fixed together again, as shown in fig. 2.
Claims (9)
1. A concertina type revolving stage which characterized in that:
comprises a telescopic device, a rotating shaft (5), a locking and positioning device, a primary sleeve group and a secondary sleeve (4);
the primary sleeve group is arranged on external equipment, the secondary sleeve (4) is arranged in the primary sleeve group and can slide in the primary sleeve group, and the lower end of the secondary sleeve (4) is connected with the external equipment through the telescopic device;
the outer diameter of the lower end of the secondary sleeve (4) is larger than that of the upper end of the secondary sleeve;
the inner shape of the upper end of the primary sleeve group is matched with the outer shape of the lower end of the secondary sleeve (4), and the inner diameter of the upper end of the primary sleeve group is smaller than the outer diameter of the lower end of the secondary sleeve (4);
the rotating shaft (5) is arranged in the secondary sleeve (4), and the upper end of the rotating shaft (5) is used for mounting an external load;
the locking and positioning device is arranged on one side of the primary sleeve group, is connected with the secondary sleeve (4) and is used for positioning and locking the position of the secondary sleeve (4).
2. A telescopic turntable according to claim 1, wherein:
the telescopic device comprises a thrust plate (13) and at least one extension spring (12);
the upper end face of the thrust plate (13) is connected with the lower end of the secondary sleeve (4), the lower end face of the thrust plate is connected with one end of an extension spring (12), and the other end of the extension spring (12) is connected to external equipment.
3. A telescopic turntable according to claim 2, wherein:
the telescopic device also comprises a guide rod (11) and a guide cylinder (18);
the guide cylinder (18) is mounted on external equipment;
the guide rod (11) can be slidably arranged in the guide cylinder (18), and the sliding direction of the guide rod is consistent with that of the secondary sleeve (4);
the upper end of the guide rod (11) is connected with the lower end face of the thrust plate (13);
the extension spring (12) is sleeved outside the guide cylinder (18).
4. A telescopic turntable according to any one of claims 1 to 3, wherein:
the outer part of the lower end of the secondary sleeve (4) is of an outer conical structure;
the locking and positioning device comprises a microswitch (14), a locking assembly and a through groove which is arranged on the side wall of the primary sleeve group and is used for an action reed of the microswitch (14) to pass through;
the microswitch (14) is arranged on the side wall of the primary sleeve group, and an action reed of the microswitch (14) penetrates through the through groove and then is arranged in the primary sleeve group;
the locking assembly is arranged outside the primary sleeve set and/or on external equipment, is positioned below the microswitch (14) and is used for fixing the position of the secondary sleeve (4).
5. A telescopic turntable according to claim 4, wherein:
the locking assembly comprises a motor (15), a steel wire rope (16), at least two locking pins (9) and unlocking springs (17) arranged on two sides of each locking pin (9);
the outer part of the secondary sleeve (4) is provided with pin holes the number of which is consistent with that of the locking pins (9);
a through groove is formed in the primary sleeve group at the same position of the pin hole, the locking pins (9) are arranged in the through groove in a one-to-one sliding mode, one end of the unlocking spring (17) is installed and tightly propped against the locking pins (9), and the other end of the unlocking spring is installed and tightly propped against the primary sleeve group and used for driving the locking pins (9) to slide in the through groove;
arc-shaped steel wire grooves are formed in the outer parts of the primary sleeve group and the locking pin (9);
one end of the steel wire rope (16) is connected with the output end of the motor (15), and the other end of the steel wire rope is wound around an arc-shaped steel wire groove formed by the first-stage sleeve group and the locking pin (9) and is fixed on the first-stage sleeve group;
the motor (15) is mounted outside the primary sleeve group and/or on an external device.
6. A telescopic turntable according to claim 5, wherein:
the rotating shaft (5) is connected with an external load through the mounting plate (2);
a plurality of explosive bolts (10) are arranged between the mounting plate (2) and the external equipment, the explosive bolts (10) are used for fixing the external load and the external equipment when the telescopic device is compressed, and unlocking the mounting plate (2) when the telescopic device is released;
the plurality of explosive bolts (10) are uniformly arranged on the periphery of the mounting plate (2) along the circumferential direction and used for connecting external equipment and an external load.
7. A telescopic turntable according to claim 6, wherein:
the rotating shaft (5) is rotatably connected with the inside of the secondary sleeve (4) through a bearing assembly;
the bearing assembly comprises a bearing set (3) and a bearing positioning cover (6) arranged at the upper end of the bearing set (3);
the outer part of the bearing positioning cover (6) is step-shaped, and the upper end surface of the primary sleeve group is attached to the step surface of the bearing positioning cover (6);
the outer portion of the rotating shaft (5) is step-shaped, and the lower end of the bearing group (3) is attached to the step surface.
8. A telescopic turntable according to claim 7, wherein:
the primary sleeve group comprises a primary sleeve (8) and a sleeve positioning sleeve (7) coaxially arranged at the upper end of the primary sleeve (8);
the primary sleeve (8) is mounted on external equipment;
the inner shape of the sleeve positioning cylinder (7) is matched with the shape of the lower end of the outer part of the secondary sleeve (4);
the microswitch (14) and the through groove are both arranged on the sleeve positioning cylinder (7).
9. A satellite provided with a telescopic turntable is characterized in that: comprises a satellite platform cabin (1) and a telescopic rotary table arranged on the satellite platform cabin (1);
the telescopic rotary table is a telescopic rotary table as claimed in any one of claims 1 to 8;
the lower end of a primary sleeve group in the telescopic rotary table is arranged outside the satellite platform cabin (1), and an inserting groove opening for the secondary sleeve (4) to penetrate through is formed in the satellite platform cabin (1) below the secondary sleeve (4);
one end of the telescopic device is arranged in the satellite platform cabin (1), and the other end of the telescopic device is arranged at the bottom of the secondary sleeve (4);
the locking and positioning device is arranged outside the primary sleeve group;
the satellite platform cabin (1) is connected with an external load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210474258.XA CN115057004A (en) | 2022-04-29 | 2022-04-29 | Telescopic turntable and satellite provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210474258.XA CN115057004A (en) | 2022-04-29 | 2022-04-29 | Telescopic turntable and satellite provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115057004A true CN115057004A (en) | 2022-09-16 |
Family
ID=83196948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210474258.XA Pending CN115057004A (en) | 2022-04-29 | 2022-04-29 | Telescopic turntable and satellite provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115057004A (en) |
-
2022
- 2022-04-29 CN CN202210474258.XA patent/CN115057004A/en active Pending
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