CN210468072U - Telescopic support arm frame - Google Patents
Telescopic support arm frame Download PDFInfo
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- CN210468072U CN210468072U CN201921793274.5U CN201921793274U CN210468072U CN 210468072 U CN210468072 U CN 210468072U CN 201921793274 U CN201921793274 U CN 201921793274U CN 210468072 U CN210468072 U CN 210468072U
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Abstract
A telescopic supporting arm frame is used for being connected with an antenna assembly, the antenna assembly comprises a first antenna, a second antenna, a third antenna and a fourth antenna which are sequentially connected in an inserting mode, the telescopic supporting arm frame comprises a base arm used for being connected with the first antenna, a first movable arm positioned in the base arm, a second movable arm positioned in the first movable arm, a third movable arm positioned in the second movable arm and a driving component for linking the first movable arm, the second movable arm and the third movable arm; the driving assembly is used for driving the first movable arm, the second movable arm and the third movable arm to extend out of the base arm, the first movable arm and the second movable arm respectively so as to separate the overlapped first antenna, the second antenna, the third antenna and the fourth antenna, and driving the first movable arm, the second movable arm and the third movable arm to retract into the base arm, the first movable arm and the second movable arm respectively, so that the separated first antenna, the second antenna, the third antenna and the fourth antenna are automatically drawn together and overlapped, and the large short-wave antenna is convenient to carry.
Description
Technical Field
The utility model relates to a shortwave antenna equipment technical field especially relates to a flexible support cantilever crane.
Background
The large short wave antenna applied to the field of remote communication comprises a telescopic supporting arm frame and an antenna assembly connected with the telescopic supporting arm frame, wherein the antenna assembly comprises a first antenna, a second antenna, a third antenna and a fourth antenna. At present, the telescopic support arm frame is an integral cylindrical upright column, the length of the telescopic support arm frame is not adjustable, the first antenna, the second antenna, the third antenna and the fourth antenna of the antenna assembly are arranged at intervals, the distances among the first antenna, the second antenna, the third antenna and the fourth antenna are not adjustable, and the first antenna, the second antenna, the third antenna and the fourth antenna which are separated from each other enable the large short-wave antenna to occupy a larger space during transportation, so that the transportation of the large short-wave antenna is not facilitated.
SUMMERY OF THE UTILITY MODEL
Based on this, to above-mentioned problem, provide an extensible telescopic boom, it can realize when the transmission signal automatically with first antenna, second antenna, third antenna and fourth antenna separately of antenna assembly, increase the signal transmission scope of antenna assembly, when carrying large-scale short wave antenna automatically with first antenna, second antenna, third antenna and fourth antenna overlapping together, reduce the volume that large-scale short wave antenna occupy, be convenient for large-scale short wave antenna transport.
In order to achieve the purpose of the utility model, the utility model adopts the following technical proposal:
a telescopic supporting arm frame is used for being connected with an antenna assembly, the antenna assembly comprises a first antenna, a second antenna, a third antenna and a fourth antenna which are sequentially spliced, and the telescopic supporting arm frame comprises a base arm used for being connected with the first antenna, a first movable arm positioned in the base arm, a second movable arm positioned in the first movable arm, a third movable arm positioned in the second movable arm and a driving component for linking the first movable arm, the second movable arm and the third movable arm; the driving assembly is used for driving the first movable arm, the second movable arm and the third movable arm to extend out of the base arm, the first movable arm and the second movable arm respectively, so that the first movable arm, the second movable arm and the third movable arm firstly pass through the first antenna, the second antenna and the third antenna respectively, then are plugged with the second antenna, the third antenna and the fourth antenna respectively, and then push the second antenna, the third antenna and the fourth antenna respectively, and therefore the plugging locking separation among the first antenna, the second antenna, the third antenna and the fourth antenna is removed.
According to the telescopic support arm frame, the driving assembly drives the first movable arm, the second movable arm and the third movable arm to extend out of the base arm, the first movable arm and the second movable arm respectively, so that the first antenna, the second antenna, the third antenna and the fourth antenna which are overlapped can be automatically separated, the driving assembly drives the first movable arm, the second movable arm and the third movable arm to retract into the base arm, the first movable arm and the second movable arm respectively, the separated first antenna, the second antenna, the third antenna and the fourth antenna can be automatically drawn together and overlapped, the occupied space of the large short-wave antenna is reduced, and the large short-wave antenna can be conveniently carried.
In one embodiment, the driving assembly comprises a hydraulic cylinder, a first fixed pulley, a second fixed pulley, a first movable pulley, a second movable pulley, a first lifting rope, a second lifting rope, a third lifting rope and a fourth lifting rope, and an output shaft of the hydraulic cylinder is connected with the bottom of the base arm; the top end of the cylinder body of the hydraulic cylinder extends into the third movable arm and is provided with the first fixed pulley; the second fixed pulley is positioned between the second movable arm and the third movable arm; the first movable pulley and the second movable pulley are positioned on one side, away from the second fixed pulley, of the first fixed pulley, and the first movable pulley is positioned between the hydraulic cylinder and the third movable arm and is connected with the second movable arm; the second movable pulley is positioned between the second movable arm and the base arm and is connected with the first movable arm; one end of the first lifting rope is connected with the bottom end of the first movable arm, and the other end of the first lifting rope is connected with the third movable arm by bypassing the second fixed pulley; one end of the second lifting rope is connected with the bottom end of the second movable arm, and the other end of the second lifting rope is connected with the bottom end of the base arm; one end of the third lifting rope is connected with the cylinder body of the hydraulic cylinder, and the other end of the third lifting rope is connected with the third movable arm by bypassing the first movable pulley; one end of the fourth lifting rope is connected with the second movable arm, and the other end of the fourth lifting rope is connected with the base arm by bypassing the second movable pulley.
In one embodiment, the first movable pulley is located below the second movable arm, and the first movable pulley and the second movable arm are connected by a pin shaft.
In one embodiment, the second movable pulley is located below the first movable arm; the second movable pulley is connected with the first movable arm in a pin shaft connection mode.
In one embodiment, a first sliding block is arranged on the outer wall of the first movable arm, abuts against the inner wall of the base arm, and is arranged in a staggered manner with the third lifting rope; a second sliding block is arranged on the outer wall of the second movable arm and is abutted against the inner wall of the first movable arm; and a third sliding block is arranged on the outer wall of the third movable arm, abuts against the inner wall of the second movable arm, and is arranged in a staggered manner with the first lifting rope and the second lifting rope.
In one embodiment, a mounting plate is arranged in the base arm, the mounting plate divides an inner cavity of the base arm into a first cavity and a second cavity located below the first cavity, the hydraulic cylinder is located in the first cavity, and the hydraulic cylinder is mounted on the mounting plate.
In one embodiment, the mounting plate is provided with a drain opening.
In one embodiment, the base arm has a pivot hole at a bottom end thereof.
In one embodiment, a first limiting plate extends outwards from the edge of the top end of the base arm to form a first limiting plate, a second limiting plate extends outwards from the edge of the top end of the first movable arm to form a second limiting plate, a third limiting plate extends outwards from the edge of the top end of the second movable arm to form a third limiting plate, the first limiting plate, the second limiting plate and the third limiting plate are sequentially arranged along the direction of the central axis of the base arm, and the top ends of the first limiting plate, the second limiting plate, the third limiting plate and the third movable arm are used for respectively supporting the first antenna, the second antenna and the third antenna; the antenna comprises a first limiting plate, a second limiting plate and a third movable arm, wherein the first limiting plate is provided with a first connector used for being connected with the second antenna in an inserting mode, the second limiting plate is provided with a second connector used for being connected with the third antenna in an inserting mode, and the top end of the third movable arm is provided with a third connector used for being connected with the fourth antenna in an inserting mode.
In one embodiment, the top end of the third boom is sealed.
Drawings
Fig. 1 is a schematic view of the working state of the antenna assembly supported by the telescopic supporting arm support when the telescopic supporting arm support is not extended according to the present invention;
fig. 2 is a schematic perspective view of a telescopic support arm according to an embodiment of the present invention;
FIG. 3 is an enlarged view of the area encircled by circle A in FIG. 2;
fig. 4 is a state diagram of the telescopic support arm support shown in fig. 2 when being extended;
FIG. 5 is a schematic structural diagram of the telescopic support arm shown in FIG. 2;
FIG. 6 is a schematic view of the telescopic boom shown in FIG. 2 with the drive assembly removed and the drive assembly in another orientation;
fig. 7 is a schematic diagram illustrating the operation of the telescopic support arm of fig. 2 when the telescopic support arm is extended to support the antenna assembly.
In the figure:
100. a telescopic support arm frame; 10. a base arm; 11. a first limit plate; 12. mounting a plate; 13. a first chamber; 14. a second chamber; 15. a pivot hole; 20. a first movable arm; 21. a first slider; 22. a second limiting plate; 23. a first plug-in; 30. a second movable arm; 31. a second slider; 32. a third limiting plate; 33. a second plug-in; 40. a third movable arm; 41. a third slider; 42. a third plug-in; 51. a hydraulic cylinder; 52. a first fixed pulley; 53. a second fixed pulley; 54. a first movable pulley; 55. a second movable pulley; 56. a first lifting rope; 57. a second lifting rope; 58. a third lifting rope; 59. a fourth lifting rope;
200. an antenna assembly; 210. a first antenna; 220. a second antenna; 230. a third antenna; 240. and a fourth antenna.
Detailed Description
In the description of the present invention, it is to be understood that the terms "length", "width", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must be provided with a particular orientation, constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1, in order to install an antenna assembly 200 in the telescopic supporting arm support 100 according to a preferred embodiment of the present invention, the antenna assembly 200 includes a first antenna 210, a second antenna 220, a third antenna 230, and a fourth antenna 240 that are sequentially overlapped from bottom to top, and the central portions of the second antenna 220, the third antenna 230, and the fourth antenna 240 are respectively provided with a first through hole, a second through hole, and a third through hole. The sizes of the first through hole, the second through hole and the third through hole are reduced in sequence; the first antenna 210, the second antenna 220, the third antenna 230, and the fourth antenna 240 are locked by plugging, in this embodiment, the first antenna 210, the second antenna 220, the third antenna 230, and the fourth antenna 240 are locked by plugging pins, for example, the second antenna 220, the third antenna 230, and the fourth antenna 240 are all provided with pins, the pin on the second antenna 220 is inserted into the first antenna 210, the pin in the third antenna 230 is inserted into the second antenna 220, and the pin in the fourth antenna 240 is inserted into the third antenna 230.
Referring to fig. 2 to 4, the telescopic supporting arm 100 includes a base arm 10 connected to a first antenna 210, a first movable arm 20 slidably disposed in the base arm 10, a second movable arm 30 slidably disposed in the first movable arm 20, a third movable arm 40 slidably disposed in the second movable arm 30, and a driving assembly for linking the first movable arm 20, the second movable arm 30, and the third movable arm 40; the first boom 20 can pass through the first perforation of the first antenna 210 but cannot pass through the second perforation of the second antenna 220, the second boom 30 can pass through the second perforation of the second antenna 220 but cannot pass through the third perforation of the third antenna 230, the third boom 40 can pass through the third perforation, and the driving assembly is used to drive the first boom 20, the second boom 30, and the third boom 40 to be extended out of the base arm 10, the first boom 20, and the second boom 30, or retracted into the base arm 10, the first boom 20, and the second boom 30, respectively.
When the large short wave antenna is in a carrying state, the telescopic support boom 100 is also in an original state, as shown in fig. 2, in the original state, the first movable arm 20, the second movable arm 30 and the third movable arm 40 are respectively located in the base arm 10, the first movable arm 20 and the second movable arm 30, and are all located below the first antenna 210 and are arranged at intervals with the first antenna 210, the second antenna 220, the third antenna 230 and the fourth antenna 240 are sequentially overlapped, and the first antenna 210, the second antenna 220, the third antenna 230 and the fourth antenna 240 are locked by means of splicing; when the antenna assembly 200 is used to transmit a signal, the driving component drives the first movable arm 20, the second movable arm 30, and the third movable arm 40 to respectively extend out of the base arm 10, the first movable arm 20, and the second movable arm 30, and in the process of extending out, as shown in fig. 4 and 7, the first movable arm 20, the second movable arm 30, and the third movable arm 40 respectively pass through the first through hole, the second through hole, and the third through hole, that is, respectively pass through the first antenna 210, the second antenna 220, and the third antenna 230, and then are respectively inserted into the overlapped second antenna 220, the third antenna 230, and the fourth antenna 240, and then respectively push the second antenna 220, the third antenna 230, and the fourth antenna 240, so that the insertion locking separation between the first antenna 210, the second antenna 220, the third antenna 230, and the fourth antenna 240 is removed, and the purpose of automatically separating the first antenna 210, the second antenna 220, the third antenna 230, and the fourth antenna 240 is achieved. When the state of transmitting signals by using the antenna assembly is changed into a large short wave antenna carrying state, the driving component drives the first movable arm 20, the second movable arm 30 and the third movable arm 40 to retract into the base arm 10, the first movable arm 20 and the second movable arm 30 respectively, at this time, the first antenna 210, the second antenna 220, the third antenna 230 and the fourth antenna 240 are overlapped again and are in inserted locking, the inserted locking between the first movable arm 20 and the second antenna 220, the inserted locking between the second movable arm 30 and the third antenna 230 and the inserted locking between the third movable arm 40 and the fourth antenna 240 are removed, at this time, the occupied space volume of the large short wave antenna is reduced, and the transportation of the large short wave antenna is facilitated.
As shown in fig. 5, the driving assembly includes a hydraulic cylinder 51, a first fixed pulley 52, a second fixed pulley 53, a first movable pulley 54, a second movable pulley 55, a first lifting rope 56, a second lifting rope 57, a third lifting rope 58 and a fourth lifting rope 59, the hydraulic cylinder 51 includes a cylinder body 511 and an output shaft 512, one end of the output shaft 512 is located in the cylinder body 511, and the other end passes through one end of the cylinder body 511 to be connected with the bottom of the base arm 10; the other end of the cylinder 511 passes through the first movable arm 20 and the second movable arm 30 and extends into the third movable arm 40, and is provided with a first fixed pulley 52; the second fixed pulley 53 is positioned at one side of the first fixed pulley 52 and between the second movable arm 30 and the third movable arm 40; a first movable sheave 54 and a second movable sheave 55 are positioned at the other side of the first fixed sheave 52, the first movable sheave 54 is positioned between the hydraulic cylinder 51 and the third movable arm 40, and the first movable sheave 54 is positioned below the second movable arm 30 and connects the second movable arm 30; the second movable sheave 55 is positioned between the second boom 30 and the base arm 10, and the second movable sheave 55 is positioned below the first boom 20 and connects the first boom 20; one end of the first lifting rope 56 is connected with the bottom end of the first movable arm 20, and the other end thereof is connected with the bottom end of the third movable arm 40 by bypassing the second fixed pulley 53; one end of the second lifting rope 57 is connected with the bottom end of the second movable arm 30, the other end of the second lifting rope 57 is connected with the base arm 10 by bypassing the first fixed pulley 52, and one end of the second lifting rope 57 connected with the base arm 10 is positioned between the first movable pulley 54 and the cylinder 511; one end of the third lifting rope 58 is connected to the top end of the cylinder 511, and the other end thereof is connected to the top end of the third movable arm 40 around the first movable pulley 54; one end of the fourth lifting rope 59 is connected to the bottom end of the second movable arm 30, and the other end thereof is connected to the top end of the base arm 10 by passing around the second movable pulley 55.
In the present embodiment, the first movable sheave 54 and the second movable arm 30 are pivotally connected by a pin, and the second movable sheave 55 and the first movable arm 20 are pivotally connected by a pin.
In order to prevent the base arm 10 and the first boom 20 from being swung, as shown in fig. 6, the first slider 21 is provided on the outer wall of the first boom 20, and the first slider 21 abuts against the inner wall of the base arm 10 and is disposed to be shifted from the fourth lifting rope 59. In order to prevent the first movable arm 20 and the second movable arm 30 from shaking, a second slider 31 is arranged on the outer wall of the second movable arm 30, and the second slider 31 is abutted against the inner wall of the first movable arm 20; in order to prevent the second boom 30 and the third boom 40 from sliding, a third slider 41 is provided on the outer wall of the third boom 40, and the third slider 41 abuts against the inner wall of the second boom 30 and is offset from the first lifting rope 56.
In the present embodiment, a mounting plate 12 is disposed in the base arm 10, the mounting plate 12 divides an inner cavity of the base arm 10 into a first cavity 13 and a second cavity 14 located below the first cavity 13, the hydraulic cylinder 51 is located in the first cavity 13, and the hydraulic cylinder 51 is mounted on the mounting plate 12. In other possible embodiments, a drain may be provided in the mounting plate 12 for draining water entering the first chamber 13 to the second chamber 14, preventing water entering the first chamber 13 from affecting the operation of the hydraulic cylinder 51.
The bottom end of the base arm 10 is provided with a pivot hole 15, and the pivot hole 15 is used for connecting a rotary assembly of the short wave antenna through a rotating shaft.
As shown in fig. 4, a first limiting plate 11 is formed by extending an edge portion of a top end of the base arm 10 outward, a second limiting plate 22 is formed by extending an edge portion of a top end of the first boom 20 outward, a third limiting plate 32 is formed by extending an edge portion of a top end of the second boom 30 outward, the first limiting plate 11, the second limiting plate 22, and the third limiting plate 32 are sequentially disposed along a central axis direction of the base arm 10, a first plug-in unit 23 for being inserted into the second antenna 220 is disposed on the second limiting plate 22, a second plug-in unit 33 for being inserted into the third antenna 230 is disposed on the third limiting plate 32, and a third plug-in unit 42 for being inserted into the fourth antenna 240 is disposed on a top end of the fourth boom. When the telescopic boom 100 is not extended, the second limiting plate 22 presses on the first limiting plate 11 to reduce the load borne by the second lifting rope 57, and the third limiting plate 32 presses on the second limiting plate 22 to reduce the load borne by the first lifting rope 56 and the fourth lifting rope 59. When the telescopic boom 100 is in an extended state, the top ends of the first limiting plate 11, the second limiting plate 22, the third limiting plate 32 and the third movable arm 40 respectively lift the first antenna 210, the second antenna 220, the third antenna 230 and the fourth antenna 240, and meanwhile, the first plug-in 23 arranged on the second limiting plate 22, the second plug-in 33 arranged on the third limiting plate 32 and the third plug-in 42 arranged on the top end of the third movable arm 40 are respectively inserted into the second antenna 220, the third antenna 230 and the fourth antenna 240, so that the second antenna 220, the third antenna 230 and the fourth antenna 240 are respectively locked on the first movable arm 20, the second movable arm 30 and the third movable arm 40, and the second antenna 220, the third antenna 230 and the fourth antenna 240 are not prone to rotate under the action of external force to affect the transmission direction of signals. In the present embodiment, the tip of the third arm 40 is inserted into the fourth antenna 240, and the third insert 42 limits the fourth antenna 240.
Optionally, a top end of the third boom 40 is sealed, so that the third boom 40 covers the hydraulic cylinder 51, external rainwater is prevented from falling on the hydraulic cylinder 51, and the hydraulic cylinder 51 is protected.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A telescopic supporting arm frame is used for connecting an antenna assembly, and the antenna assembly comprises a first antenna, a second antenna, a third antenna and a fourth antenna which are sequentially spliced, and is characterized by comprising a base arm, a first movable arm, a second movable arm and a third movable arm, wherein the base arm is used for connecting the first antenna, the first movable arm is positioned in the base arm, the second movable arm is positioned in the first movable arm, the third movable arm is positioned in the second movable arm, and a driving component is used for linking the first movable arm, the second movable arm and the third movable arm; the driving assembly is used for driving the first movable arm, the second movable arm and the third movable arm to extend out of the base arm, the first movable arm and the second movable arm respectively, so that the first movable arm, the second movable arm and the third movable arm firstly pass through the first antenna, the second antenna and the third antenna respectively, then are plugged with the second antenna, the third antenna and the fourth antenna respectively, and then push the second antenna, the third antenna and the fourth antenna respectively, and therefore the plugging locking separation among the first antenna, the second antenna, the third antenna and the fourth antenna is removed.
2. The telescopic support arm frame according to claim 1, wherein the driving assembly comprises a hydraulic cylinder, a first fixed pulley, a second fixed pulley, a first movable pulley, a second movable pulley, a first lifting rope, a second lifting rope, a third lifting rope and a fourth lifting rope, and an output shaft of the hydraulic cylinder is connected with the bottom of the base arm; the top end of the cylinder body of the hydraulic cylinder extends into the third movable arm and is provided with the first fixed pulley; the second fixed pulley is positioned between the second movable arm and the third movable arm; the first movable pulley and the second movable pulley are positioned on one side, away from the second fixed pulley, of the first fixed pulley, and the first movable pulley is positioned between the hydraulic cylinder and the third movable arm and is connected with the second movable arm; the second movable pulley is positioned between the second movable arm and the base arm and is connected with the first movable arm; one end of the first lifting rope is connected with the bottom end of the first movable arm, and the other end of the first lifting rope is connected with the third movable arm by bypassing the second fixed pulley; one end of the second lifting rope is connected with the bottom end of the second movable arm, and the other end of the second lifting rope is connected with the bottom end of the base arm; one end of the third lifting rope is connected with the cylinder body of the hydraulic cylinder, and the other end of the third lifting rope is connected with the third movable arm by bypassing the first movable pulley; one end of the fourth lifting rope is connected with the second movable arm, and the other end of the fourth lifting rope is connected with the base arm by bypassing the second movable pulley.
3. The telescopic support arm frame of claim 2, wherein the first movable pulley is located below the second movable arm, and the first movable pulley and the second movable arm are connected in a pin shaft connection manner.
4. The telescopic support boom of claim 2, wherein the second movable pulley is located below the first movable arm; the second movable pulley is connected with the first movable arm in a pin shaft connection mode.
5. The telescopic support arm frame according to claim 2, wherein a first sliding block is arranged on the outer wall of the first movable arm, abuts against the inner wall of the base arm, and is arranged in a staggered manner with the third lifting rope; a second sliding block is arranged on the outer wall of the second movable arm and is abutted against the inner wall of the first movable arm; and a third sliding block is arranged on the outer wall of the third movable arm, abuts against the inner wall of the second movable arm, and is arranged in a staggered manner with the first lifting rope and the second lifting rope.
6. The telescopic support arm frame according to claim 2, wherein a mounting plate is arranged in the base arm, the mounting plate divides an inner cavity of the base arm into a first cavity and a second cavity below the first cavity, the hydraulic cylinder is located in the first cavity, and the hydraulic cylinder is mounted on the mounting plate.
7. The telescopic support arm support according to claim 6, wherein the mounting plate is provided with a water outlet.
8. The telescopic support arm frame of claim 2, wherein the base arm is provided with a pivot hole at the bottom end.
9. The telescopic support arm frame according to claim 2, wherein a first limiting plate is formed by extending outwards from the edge of the top end of the base arm, a second limiting plate is formed by extending outwards from the edge of the top end of the first movable arm, a third limiting plate is formed by extending outwards from the edge of the top end of the second movable arm, the first limiting plate, the second limiting plate and the third limiting plate are sequentially arranged along the central axis direction of the base arm, and the top ends of the first limiting plate, the second limiting plate, the third limiting plate and the third movable arm are used for respectively supporting the first antenna, the second antenna and the third antenna; the antenna comprises a first limiting plate, a second limiting plate and a third movable arm, wherein the first limiting plate is provided with a first connector used for being connected with the second antenna in an inserting mode, the second limiting plate is provided with a second connector used for being connected with the third antenna in an inserting mode, and the top end of the third movable arm is provided with a third connector used for being connected with the fourth antenna in an inserting mode.
10. The telescopic support arm support according to claim 2, wherein the top end of the third boom is sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921793274.5U CN210468072U (en) | 2019-10-23 | 2019-10-23 | Telescopic support arm frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921793274.5U CN210468072U (en) | 2019-10-23 | 2019-10-23 | Telescopic support arm frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210468072U true CN210468072U (en) | 2020-05-05 |
Family
ID=70435790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921793274.5U Active CN210468072U (en) | 2019-10-23 | 2019-10-23 | Telescopic support arm frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210468072U (en) |
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2019
- 2019-10-23 CN CN201921793274.5U patent/CN210468072U/en active Active
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