CN110994119B - RTK antenna beta structure - Google Patents
RTK antenna beta structure Download PDFInfo
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- CN110994119B CN110994119B CN201911190625.8A CN201911190625A CN110994119B CN 110994119 B CN110994119 B CN 110994119B CN 201911190625 A CN201911190625 A CN 201911190625A CN 110994119 B CN110994119 B CN 110994119B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
- H01Q1/084—Pivotable antennas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/36—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like adapted to receive antennas or radomes
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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
- H01Q1/1235—Collapsible supports; Means for erecting a rigid antenna
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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
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Support Of Aerials (AREA)
Abstract
The invention relates to an RTK antenna folding structure which comprises a support upper assembly, a support lower assembly, a locking positioning assembly and an antenna assembly, wherein the antenna assembly is fixedly installed at one end of the support upper assembly, the other end of the support upper assembly is connected with the upper end of the support lower assembly through the locking positioning assembly, after the locking positioning assembly is unlocked, the support upper assembly can rotate to one side of the support lower assembly around the locking positioning assembly, and cavities which are communicated with each other are formed in the support upper assembly and the support lower assembly. The invention has the advantages that: the occupied space in the height direction is reduced after the folding, and meanwhile, the occupied space of the side surface is not increased; locking is carried out through the eccentric locking structure, positioning is realized through clamping matching between the convex claw and the clamping groove, operation is simple and rapid, and locking reliability is high.
Description
Technical Field
The invention relates to the technical field of RTK antenna mounting structures, in particular to an RTK antenna folding structure.
Background
The RTK support is the last structure that supports the RTK antenna of unmanned aerial vehicle, and there are a great deal of problems in current product, divide into fixed and collapsible down from folding form. The fixed type can be directly fixed on the machine body by using screws or bonding, so that the problems of large occupied space and inconvenient carrying exist; the downward folding type foldable bicycle can be folded outwards towards the side face of the bicycle body, so that the space occupation in the height direction is reduced, and the space of the lower part and the side face is occupied. The locking form mainly comprises a sliding block locking form or a thread locking form, and the problems of complex operation and unreliable locking exist. In the cable routing mode, the open-wire routing mode is mostly adopted, so that the reliability and the attractiveness are influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an RTK antenna folding structure.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a RTK antenna beta structure, includes support upper portion subassembly, support lower part subassembly, locking positioning assembly and antenna module, antenna module fixed mounting is in the one end of support upper portion subassembly, the other end of support upper portion subassembly passes through locking positioning assembly with the upper end of support lower part subassembly and is connected, behind the unblock locking positioning assembly, support upper portion subassembly can rotate to one side of support lower part subassembly around locking positioning assembly, support upper portion subassembly with the cavity of mutual intercommunication is all seted up to the inside of support lower part subassembly.
Further, the bracket upper assembly comprises an upper shell and an upper cover plate fixed on the upper shell, wherein the lower end of the upper shell is provided with a rotating shaft hole, and the lower end of the upper cover plate is provided with a through hole aligned with the rotating shaft hole; the lower part assembly of the bracket comprises a lower shell and a lower cover plate fixed on the lower shell, wherein a square hole boss is arranged on the inner wall of the upper end of the lower shell, and a pressing block through hole aligned with the square hole boss is arranged on the side wall of the upper end of the lower cover plate; the fixed end of the locking and positioning component is fixed in the square hole boss, and the locking action end of the locking and positioning component sequentially penetrates through the rotating shaft hole, the through hole and the pressing block through hole.
Further, locking positioning component includes locking shaft, spring, prevents changeing briquetting and eccentric latch segment, the one end of locking shaft is passed through retaining member A and is fixed on the square hole boss, and the other end passes pivot hole, through-hole and briquetting via hole in proper order to install eccentric latch segment through the pivot is articulated at the other end of locking shaft, the middle part cover of locking shaft is equipped with the spring and prevents changeing the briquetting, it has the draw-in groove to open on the lateral wall in pivot hole, during the locking state, prevent changeing briquetting compression spring to the card is gone into in the draw-in groove.
Further, the locking shaft includes the check lock lever and sets up in the square boss of check lock lever one end, square boss joint cooperation is in the square hole boss, the one end butt of spring is on square boss, and the other end butt is on preventing changeing the briquetting.
Further, be equipped with two anti-rotation faces that are parallel to each other on the other end lateral wall of check lock lever, prevent changeing the briquetting and include that the convex claw is located the connection platform of convex claw one side with an organic whole, the convex claw can block into in the draw-in groove, the convex claw is equipped with along its axial extension's perforation with the inside of connecting the platform, it cooperates with the anti-rotation face of check lock lever to perforate.
Furthermore, the other end of the locking rod is also provided with a rotating hole along the radial direction, the axis of the rotating hole is vertical to the rotating-proof surface, and the eccentric locking block passes through the rotating hole through the rotating shaft so as to be hinged at the other end of the locking rod.
Further, eccentric latch segment is including rotating the post and integrative the locating locking handle on rotating the post lateral wall, it is provided with the eccentric orfice to rotate the post along its axial, the eccentric orfice skew axis setting of rotating the post, the eccentric orfice is passed in the pivot.
Furthermore, one surface of the connecting table facing the eccentric locking block is of a saddle surface structure, and the side wall of the rotating column is matched with the saddle surface structure.
Further, one side of lower part casing is provided with casing limit step A, and the opposite side is provided with casing limit step B, one side of lower part apron is provided with apron limit step A, and the opposite side is provided with apron limit step B, casing limit step A aligns with apron limit step A to form the upper limit step, casing limit step B aligns with apron limit step B to form lower limit step, when support upper portion subassembly rotates supreme spacing, the lateral wall butt of support upper portion subassembly is on upper limit step, when support upper portion subassembly rotates to lower spacing, the lateral wall butt of support upper portion subassembly is on lower limit step.
Further, the antenna module includes RTK antenna and feeder, the upper end of upper portion casing is provided with the antenna mounting groove, the upper end of upper portion apron is provided with the feeder installation cavity, the RTK antenna is arranged in the antenna mounting groove, and the upper end fixed connection of its lower extreme and feeder, the lower extreme of feeder passes through retaining member B to be fixed on the upper portion apron, the feeder is located the feeder installation cavity.
The invention has the following advantages:
1. according to the RTK antenna folding structure, the other end of the upper support component is connected with the upper end of the lower support component through the locking and positioning component, after the locking and positioning component is unlocked, the upper support component can rotate to one side of the lower support component around the locking and positioning component, namely the rotating direction of the upper support component is parallel to the side wall of an unmanned aerial vehicle body, after the upper support component rotates to the lower limit, the occupied space in the height direction is reduced, and meanwhile, the occupied space of the side face is not increased.
2. The invention adopts the locking and positioning assembly for locking and positioning, locks through the eccentric locking structure, realizes positioning through the clamping and matching between the convex claw and the clamping groove, and has simple and quick operation and high locking reliability.
3. The support upper portion subassembly with the cavity of intercommunication is all seted up to the inside of support lower part subassembly, can be used for walking the line in this cavity, has realized that the dark line walks the line, and the reliability is high, and pleasing to the eye.
Drawings
FIG. 1 is a schematic view of the mounting structure of the present invention;
FIG. 2 is a schematic structural view of the upper bracket assembly of the present invention at the upper limit position;
FIG. 3 is a schematic view of the upper assembly of the bracket of the present invention in the lower limit position;
FIG. 4 is a schematic illustration of an explosive structure according to the present invention;
FIG. 5 is a schematic view of the locking shaft of the present invention;
FIG. 6 is a schematic structural view of an anti-rotation compact of the present invention;
FIG. 7 is a schematic view of the eccentric locking block of the present invention;
in the figure: 1-bracket upper component, 1 a-upper shell, 1a 1-rotating shaft hole, 1a 11-clamping groove, 1a 2-antenna mounting groove, 1B-lower cover plate, 1B 1-through hole, 1B 2-feeder mounting cavity, 2-bracket lower component, 2 a-lower shell, 2a 1-square hole boss, 2a 2-shell limit step A, 2a 3-shell limit step B, 2B-lower cover plate, 2B 1-pressing block via hole, 2B 2-cover plate limit step A, 2 c-protective coil, 3-locking positioning component, 3 a-locking shaft, 3a 1-locking rod, 3a 11-anti-rotating surface, 3a 12-rotating hole, 3a 2-square boss, 3B-locking piece A, 3 c-spring and 3 d-anti-rotating pressing block, 3d 1-convex claw, 3d 2-connecting table, 3d 3-through hole, 3 e-rotating shaft, 3 f-eccentric locking block, 3f 1-rotating column, 3f 2-locking handle, 3f 3-eccentric hole, 4-antenna component, 4a-RTK antenna, 4B-feeder line and 4 c-locking piece B.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following.
As shown in fig. 1, an RTK antenna folding structure is installed on a side wall of an unmanned aerial vehicle body, as shown in fig. 2 and 3, the RTK antenna folding structure includes a support upper assembly 1, a support lower assembly 2, a locking positioning assembly 3 and an antenna assembly 4, the antenna assembly 4 is fixedly installed at one end of the support upper assembly 1, the other end of the support upper assembly 1 is connected with the upper end of the support lower assembly 2 through the locking positioning assembly 3, after the locking positioning assembly 3 is unlocked, the support upper assembly 1 can rotate to one side of the support lower assembly 2 around the locking positioning assembly 3, the rotation direction of the support upper assembly 1 is parallel to the side wall of the unmanned aerial vehicle body, and cavities which are communicated with each other are respectively formed in the support upper assembly 1 and the support lower assembly 2.
Further, as shown in fig. 4, the rack upper assembly 1 includes an upper housing 1a and an upper cover plate 1b fixed on the upper housing 1a, a cavity for routing is formed between the upper housing 1a and the upper cover plate 1b, the lower end of the upper housing 1a is provided with a rotating shaft hole 1a1, and the lower end of the upper cover plate 1b is provided with a through hole 1b1 aligned with the rotating shaft hole 1a 1; the bracket lower component 2 comprises a lower shell 2a and a lower cover plate 2b fixed on the lower shell 2a, a cavity for wiring is formed between the lower shell 2a and the lower cover plate 2b, an opening is formed in the side wall of the lower shell 2a for leading out a lead, and a protective coil 2c is arranged in the opening to protect the lead. A square hole boss 2a1 is arranged on the inner wall of the upper end of the lower shell 2a, and a briquetting through hole 2b1 aligned with the square hole boss 2a1 is arranged on the side wall of the upper end of the lower cover plate 2 b; the fixed end of the locking and positioning component 3 is fixed in the square hole boss 2a1, and the locking action end of the locking and positioning component 3 sequentially passes through the rotating shaft hole 1a1, the through hole 1b1 and the press block through hole 2b 1.
Further, as shown in fig. 4, the locking and positioning assembly 3 includes a locking shaft 3a, a spring 3c, an anti-rotation pressing block 3d and an eccentric locking block 3f, one end of the locking shaft 3a is fixed on the square boss 2a1 through a locking member A3b, in this embodiment, a locking member A3b adopts a locking screw, the other end of the locking shaft 3a sequentially passes through a rotating shaft hole 1a1, a through hole 1b1 and a pressing block via hole 2b1, and the eccentric locking block 3f is installed at the other end of the locking shaft 3a through a rotating shaft 3e in a hinged manner, the spring 3c and the anti-rotation pressing block 3d are sleeved at the middle part of the locking shaft 3a, a clamping groove 1a11 is formed in the side wall of the rotating shaft hole 1a1, and in the locking state, the anti-rotation pressing block 3d presses the spring 3c and is clamped into the clamping groove 1a 11. In this embodiment, in order to lock and position the upper assembly 1 after rotating 90 °, 4 slots 1a11 are provided and uniformly distributed on the rotating shaft hole 1 a. When locking, the eccentric locking block 3f pushes the anti-rotation pressing block 3d to overcome the elastic force of the spring 3c and move towards one side of the rotating shaft hole 1a1 until the anti-rotation pressing block 3d is clamped into the clamping groove 1a 11.
Further, as shown in fig. 5 and 6, the locking shaft 3a includes a locking rod 3a1 and a square boss 3a2 disposed at one end of the locking rod 3a1, the square boss 3a2 is snap-fitted into the square boss 2a1, one end of the spring 3c abuts against the square boss 3a2, and the other end abuts against the rotation-preventing block 3 d. Be equipped with two anti-rotation faces 3a11 that are parallel to each other on the other end lateral wall of check lock lever 3a1, prevent changeing briquetting 3d including claw 3d1 and integrative connection platform 3d2 who locates claw 3d1 one side, claw 3d1 can block in draw-in groove 1a11, claw 3d1 and connection platform 3d 2's inside is equipped with along its axial extension's perforation 3d3, perforation 3d3 and check lock lever 3a1 prevent changeing the face 3a11 cooperation. Through fixing the check lock lever 3a in square hole boss 2a1, prevent changeing the perforation 3d3 of briquetting 3d simultaneously and preventing changeing the cooperation of face 3a11 for prevent changeing briquetting 3d self and can only follow the axial displacement of locking axle 3a, and can't rotate for pivot hole 1a1, thereby can ensure when support upper portion subassembly 1 is spacing or spacing down, prevent changeing briquetting 3d and can block in the draw-in groove 1a11 that corresponds.
Further, as shown in fig. 5, the other end of the locking lever 3a1 is further opened with a rotation hole 3a12 along its radial direction, the axis of the rotation hole 3a12 is perpendicular to the rotation-preventing surface 3a11, and the eccentric locking block 3f passes through the rotation hole 3a12 through the rotation shaft 3e, so as to be hinged at the other end of the locking lever 3a 1.
Further, as shown in fig. 7, the eccentric locking block 3f includes a rotating post 3f1 and a locking handle 3f2 integrally provided on a side wall of the rotating post 3f1, the rotating post 3f1 is provided with an eccentric hole 3f3 along an axial direction thereof, the eccentric hole 3f3 is offset from an axial line of the rotating post 3f1, and the rotating shaft 3e passes through the eccentric hole 3f 3. When the rotating column 3f1 rotates, the distance between the axis of the eccentric hole 3f3 and the connecting table 3d2 changes, if the distance increases, the eccentric locking block 3f pushes the anti-rotation pressing block 3d to be clamped into the clamping groove 1a11, so that locking and positioning are achieved, otherwise, if the distance decreases, the eccentric locking block 3f is loosened, the spring 3c pushes the anti-rotation pressing block 3d to withdraw from the clamping groove 1a11, and unlocking is achieved.
Further, as shown in fig. 6, the connecting table 3d2 has a saddle surface structure on its side facing the eccentric locking block 3f, the side wall of the rotating column 3f1 is engaged with the saddle surface structure, and the rotating column 3f1 is engaged with the saddle surface structure of the connecting table 3d2 more closely.
Further, as shown in fig. 4, one side of the lower housing 2a is provided with a housing limit step A2A2, the other side is provided with a housing limit step B2a3, one side of the lower cover plate 2B is provided with a cover limit step A2B2, the other side is provided with a cover limit step B, the housing limit step A2A2 is aligned with the cover limit step A2B2 to form an upper limit step, the housing limit step B2a3 is aligned with the cover limit step B to form a lower limit step, when the bracket upper assembly 1 rotates to an upper limit, the side wall of the bracket upper assembly 1 abuts against the upper limit step, and when the bracket upper assembly 1 rotates to the lower limit, the side wall of the bracket upper assembly 1 abuts against the lower limit step. Go up spacing step and lower spacing step and play supplementary limiting displacement, prevent to exert oneself too big and lead to equipment to damage rotating the in-process, play the indicating action simultaneously, when support upper portion subassembly 1 with last spacing step or spacing step butt down, the convex claw 3d1 just aligns with draw-in groove 1a11 this moment.
Further, as shown in fig. 4, the antenna assembly 4 includes an RTK antenna 4a and a feeder 4B, the upper end of the upper housing 1a is provided with an antenna mounting groove 1a2, the upper end of the upper cover plate 1B is provided with a feeder mounting cavity 1B2, the RTK antenna 4a is disposed in the antenna mounting groove 1a2, and the lower end of the RTK antenna is fixedly connected to the upper end of the feeder 4B, the lower end of the feeder 4B is fixed to the upper cover plate 1B through a locking member B4c, and the feeder 4B is located in the feeder mounting cavity 1B 2.
The working process of the invention is as follows: when the bracket is in an unfolded state (locked state), the locking handle 3f2 is pulled, the distance between the eccentric hole 3f3 and the connecting table 3d2 is reduced, at the moment, the spring 3c under the action of the self elasticity withdraws the convex claw 3d1 of the anti-rotation pressing block 3d from the clamping groove 1a11, and the bracket upper component 1 can rotate around the locking shaft 3a to be folded until the side wall of the bracket upper component 1 abuts against the upper edge of the limiting step B. When the bracket is folded, the bracket upper component 1 is rotated upwards, when the side wall of the bracket upper component 1 abuts against the side wall of the limiting step A, the locking handle 3f2 is pulled, the distance between the eccentric hole 3f3 and the connecting table 3d2 is increased, at the moment, the rotating column 3f1 pushes the anti-rotation pressing block 3d to move towards one side of the rotating shaft hole 1a until the lug claw 3d1 is clamped into the clamping groove 1a11, locking and positioning are realized, reliable self-locking is carried out by utilizing the eccentric structure of the locking and positioning component 4, the lug claw 3d1 of the anti-rotation pressing block 3d is pressed into the clamping groove 1a11, and the bracket upper component 1 is prevented from rotating.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An RTK antenna beta structure which characterized in that: the device comprises a support upper assembly (1), a support lower assembly (2), a locking positioning assembly (3) and an antenna assembly (4), wherein the antenna assembly (4) is fixedly installed at one end of the support upper assembly (1), the other end of the support upper assembly (1) is connected with the upper end of the support lower assembly (2) through the locking positioning assembly (3), after the locking positioning assembly (3) is unlocked, the support upper assembly (1) can rotate to one side of the support lower assembly (2) around the locking positioning assembly (3), and cavities which are communicated with each other are formed in the support upper assembly (1) and the support lower assembly (2);
the bracket upper assembly (1) comprises an upper shell (1 a) and an upper cover plate (1 b) fixed on the upper shell (1 a), wherein the lower end of the upper shell (1 a) is provided with a rotating shaft hole (1 a 1), and the lower end of the upper cover plate (1 b) is provided with a through hole (1 b 1) aligned with the rotating shaft hole (1 a 1); the lower support assembly (2) comprises a lower shell (2 a) and a lower cover plate (2 b) fixed on the lower shell (2 a), a square hole boss (2 a 1) is arranged on the inner wall of the upper end of the lower shell (2 a), and a pressure block through hole (2 b 1) aligned with the square hole boss (2 a 1) is arranged on the side wall of the upper end of the lower cover plate (2 b); the fixed end of the locking positioning component (3) is fixed in the square hole boss (2 a 1), and the locking action end of the locking positioning component (3) sequentially passes through the rotating shaft hole (1 a 1), the through hole (1 b 1) and the pressing block through hole (2 b 1);
a shell limiting step A (2 a 2) is arranged on one side of the lower shell (2 a), a shell limiting step B (2 a 3) is arranged on the other side of the lower shell (2 a), a cover plate limiting step A (2B 2) is arranged on one side of the lower cover plate (2B), a cover plate limiting step B is arranged on the other side of the lower cover plate (2B), the shell limiting step A (2 a 2) is aligned with the cover plate limiting step A (2B 2) to form an upper limiting step, the shell limiting step B (2 a 3) is aligned with the cover plate limiting step B to form a lower limiting step, when the bracket upper component (1) rotates to an upper limit, the side wall of the bracket upper component (1) is abutted to the upper limiting step, and when the bracket upper component (1) rotates to a lower limit, the side wall of the bracket upper component (1) is abutted to the lower limiting step;
antenna module (4) include RTK antenna (4 a) and feeder (4B), the upper end of upper portion casing (1 a) is provided with antenna mounting groove (1 a 2), the upper end of upper portion apron (1B) is provided with feeder installation cavity (1B 2), antenna mounting groove (1 a 2) is arranged in to RTK antenna (4 a), and its lower extreme and the upper end fixed connection of feeder (4B), the lower extreme of feeder (4B) is fixed on upper portion apron (1B) through retaining member B (4 c), feeder (4B) are located feeder installation cavity (1B 2).
2. The RTK antenna folding structure according to claim 1, characterized in that: locking locating component (3) include locking shaft (3 a), spring (3 c), prevent changeing briquetting (3 d) and eccentric latch segment (3 f), the one end of locking shaft (3 a) is passed through retaining member A (3 b) and is fixed on square hole boss (2 a 1), and the other end passes pivot hole (1 a 1), through-hole (1 b 1) and briquetting via hole (2 b 1) in proper order to install eccentric latch segment (3 f) through pivot (3 e) are articulated at the other end of locking shaft (3 a), the middle part cover of locking shaft (3 a) is equipped with spring (3 c) and prevents changeing briquetting (3 d), it has draw-in groove (1 a 11) to open on the lateral wall in pivot hole (1 a 1), during the locking state, prevent changeing briquetting (3 d) and compress tightly spring (3 c) to the card goes into in draw-in groove (1 a 11).
3. An RTK antenna folding structure according to claim 2, characterized in that: locking axle (3 a) include check lock lever (3 a 1) and set up in square boss (3 a 2) of check lock lever (3 a 1) one end, square boss (3 a 2) joint cooperation is in square hole boss (2 a 1), the one end butt of spring (3 c) is on square boss (3 a 2), and the other end butt is on preventing changeing briquetting (3 d).
4. An RTK antenna folding structure according to claim 3, characterized in that: be equipped with two anti-rotation face (3 a 11) that are parallel to each other on the other end lateral wall of check lock lever (3 a 1), prevent changeing briquetting (3 d) and including claw (3 d 1) and integrative connection platform (3 d 2) of locating claw (3 d 1) one side, claw (3 d 1) can block in draw-in groove (1 a 11), the inside of claw (3 d 1) and connection platform (3 d 2) is equipped with perforation (3 d 3) along its axial extension, perforation (3 d 3) and check lock lever (3 a 1) prevent changeing face (3 a 11) cooperation.
5. An RTK antenna folding structure according to claim 4, characterized in that: the other end of the locking rod (3 a 1) is also provided with a rotary hole (3 a 12) along the radial direction, the axis of the rotary hole (3 a 12) is vertical to the rotation-proof surface (3 a 11), and the eccentric locking block (3 f) passes through the rotary hole (3 a 12) through a rotating shaft (3 e) so as to be hinged at the other end of the locking rod (3 a 1).
6. An RTK antenna folding structure according to claim 5, characterized in that: eccentric latch segment (3 f) are including rotating post (3 f 1) and integrative locking handle (3 f 2) of locating on rotating post (3 f 1) lateral wall, it is provided with eccentric orfice (3 f 3) to rotate post (3 f 1) along its axial, the axis setting of eccentric orfice (3 f 3) skew rotation post (3 f 1), eccentric orfice (3 f 3) is passed in pivot (3 e).
7. An RTK antenna folding structure according to claim 6, characterized in that: one surface of the connecting table (3 d 2) facing the eccentric locking block (3 f) is of a saddle surface structure, and the side wall of the rotating column (3 f 1) is matched with the saddle surface structure.
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| CN201911190625.8A CN110994119B (en) | 2019-11-28 | 2019-11-28 | RTK antenna beta structure |
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| CN201911190625.8A CN110994119B (en) | 2019-11-28 | 2019-11-28 | RTK antenna beta structure |
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| CN110994119A CN110994119A (en) | 2020-04-10 |
| CN110994119B true CN110994119B (en) | 2022-03-01 |
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