A portable antenna turntable

Abstract

The present invention discloses a portable antenna turntable, and the main content is as follows: It includes a turntable box body, an azimuth component and an elevation component. The turntable box body is composed of a first turntable box body plate, a second turntable box body plate, a turntable box body cover plate, a third turntable box body plate, a fourth turntable box body plate, a fifth turntable box body plate, a turntable box body bottom plate and a sixth turntable box body plate. The fourth turntable box body plate is installed on the left side of the top surface of the turntable box body bottom plate, and the sixth turntable box body plate is installed on the right side of the top surface of the turntable box body bottom plate. The turntable box body is installed on the azimuth component, and the elevation component is installed on the turntable box body. The structure of the present invention is compact, light in weight and large in load-bearing. It can be compatible with antenna surfaces of 0.3 to 0.8 meters and can be used for antennas in Ka and lower frequency bands. The elevation structure has a self-locking function. The transmission mechanism is arranged inside the turntable box body with modular design, low structural coupling and strong maintainability.

Description

Technical Field

[0001] The present invention relates to the technical field of satellite communication, and more particularly to a portable antenna turntable. Background Art

[0002] The servo turntable is the core transmission component of a traditional mechanically scanned antenna, and its performance directly affects the antenna performance, and even the transceiver capabilities of the entire portable station antenna.

[0003] However, the inventors of the present application found that the above-mentioned prior art has at least the following technical problems:

[0004] Currently, the existing antenna turntable has poor structural compactness, heavy weight and small load-bearing capacity, and cannot meet the requirements of lightweight, low power consumption, single-person backpacking, etc. and the requirement of being adaptable for interactive use between multiple station types. It cannot meet the requirements of light miniaturization, low power consumption and high integration of satellite communication portable antenna products, thus greatly limiting its application scope. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to disclose a portable antenna turntable in view of the deficiencies in the above-mentioned prior art. It has a compact structure, light weight and large load-bearing capacity, can be compatible with 0.3 - 0.8 meter antenna surfaces, can be used for antennas in Ka and lower frequency bands, the pitching structure has a self-locking function, the transmission mechanism is arranged in the turntable box body, and it has a modular design, with low structural coupling and strong maintainability.

[0006] The technical solution adopted by the present invention to solve its technical problems is: a portable antenna turntable, including a turntable box body, an azimuth component and a pitching component. The turntable box body is composed of a first turntable box body plate, a second turntable box body plate, a turntable box body cover plate, a third turntable box body plate, a fourth turntable box body plate, a fifth turntable box body plate, a turntable box body bottom plate and a sixth turntable box body plate. The fourth turntable box body plate is fixedly installed on the left side of the top surface of the turntable box body bottom plate, the sixth turntable box body plate is fixedly installed on the right side of the top surface of the turntable box body bottom plate, the left sides of the second turntable box body plate and the third turntable box body plate are both fixedly installed on the fourth turntable box body plate, the right sides of the second turntable box body plate and the third turntable box body plate are both fixedly installed on the sixth turntable box body plate, the first turntable box body plate is fixedly installed on the second turntable box body plate, the fourth turntable box body plate, the turntable box body bottom plate and the sixth turntable box body plate, the turntable box body cover plate is fixedly installed on the second turntable box body plate, the third turntable box body plate, the fourth turntable box body plate and the sixth turntable box body plate, the fifth turntable box body plate is fixedly installed on the third turntable box body plate, the fourth turntable box body plate, the turntable box body bottom plate and the sixth turntable box body plate. The turntable box body is installed on the azimuth component, and the pitching component is installed on the turntable box body.

[0007] As a preferred embodiment of the present invention, the azimuth component is composed of an azimuth motor support frame, an azimuth motor, an encoder, an azimuth large gear, a crossed roller bearing, and an azimuth small gear. The encoder is installed on the top of the azimuth motor, the bottom of the azimuth motor is installed on the azimuth motor support frame, the azimuth motor support frame is fixedly installed on the bottom plate of the turntable box body, the crossed roller bearing is fixedly installed on the bottom plate of the turntable box body, the azimuth large gear is fixedly installed on the crossed roller bearing, and the azimuth small gear is installed on the azimuth motor and meshes with the azimuth large gear.

[0008] As a preferred embodiment of the present invention, the pitching component is composed of a right fork arm, a left fork arm, a first sealing ring, a second sealing ring, a shaft retaining ring, a bearing, a pitching shaft, a worm and worm gear reducer, a pitching motor bracket, a driving pulley, a pitching motor, a synchronous toothed belt, a driven pulley, a third sealing ring, a fourth sealing ring, and a dial. The left fork arm is fixedly installed on the pitching shaft, the pitching shaft is installed in the mounting hole on the fourth turntable box body plate through the bearing, the shaft retaining ring is installed in the annular groove on the pitching shaft and the shaft retaining ring abuts against the bearing, the first sealing ring is fixedly installed on the outer side surface of the fourth turntable box body plate, the second sealing ring is fixedly installed on the inner side surface of the left fork arm, the worm and worm gear reducer is fixedly installed on the sixth turntable box body plate, the pitching motor is installed on the pitching motor bracket, the pitching motor bracket is fixedly installed on the fourth turntable box body plate, the driving pulley is fixedly installed on the output shaft of the pitching motor, the driven pulley is fixedly installed on the input shaft of the worm and worm gear reducer, the synchronous toothed belt is installed on the driving pulley and the driven pulley, the right fork arm is fixedly installed on the output shaft of the worm and worm gear reducer, the third sealing ring is fixedly installed on the inner side surface of the right fork arm, the fourth sealing ring is fixedly installed on the outer side surface of the sixth turntable box body plate, and the dial is fixedly installed on the outer side surface of the left fork arm.

[0009] As a preferred embodiment of the present invention, the worm and worm gear reducer is composed of a worm shaft, a first bearing, a worm and worm gear housing, a gasket, a cover plate, a worm wheel, a worm, an end cover, and a second bearing. The worm shaft is installed on the worm and worm gear housing through the first bearing, the worm wheel is fixedly installed on the worm shaft, the two ends of the worm are respectively installed on the worm and worm gear housing through the two second bearings and the worm meshes with the worm wheel, the end cover is fixedly installed on the front side surface of the worm and worm gear housing, and the cover plate is fixedly installed on the left side surface of the worm and worm gear housing and a gasket is installed between the contact surfaces of the cover plate and the worm and worm gear housing.

[0010] As a preferred embodiment of the present invention, the bottom of the azimuth large gear is installed on a tripod or a fixed seat.

[0011] As a preferred embodiment of the present invention, a transfer board is fixedly installed on the right fork arm and the left fork arm, and an antenna reflector is installed on the transfer board.

[0012] As a preferred embodiment of the present invention, the diameter of the antenna reflector is 0.3 - 0.8 m.

[0013] The present invention is composed of a turntable box body, an azimuth component and an elevation component which are assembled and installed. It adopts a modular structure, which greatly facilitates its installation and maintenance operations; the entire antenna turntable is installed on a tripod or a fixed base through the bottom of the azimuth large gear, and the installation structure form is diverse, which can meet different required places; the azimuth motor drives the azimuth small gear to rotate, and the azimuth small gear drives the azimuth large gear to rotate, thereby driving the azimuth rotation of the turntable box body. An encoder is installed on the azimuth motor to realize the automatic zero-finding operation; the elevation motor drives the driving pulley to rotate, and the driving pulley drives the driven pulley to rotate through a synchronous toothed belt, thereby driving the worm and worm gear reducer to rotate, and further driving the rotation of the right fork arm. The left fork arm is a driven shaft and the left fork arm is installed on the elevation shaft. The elevation shaft is installed on the fourth turntable box body plate through bearings; the antenna reflector is installed on the transfer board, and both ends of the transfer board are respectively installed on the right fork arm and the left fork arm.

[0014] One or more of the above technical solutions in the embodiments of the present invention have at least one or more of the following technical effects:

[0015] (1) The total weight of the turntable is only 4 kg, which is light in weight and large in bearing capacity, and can be adapted to an antenna reflector of 0.3 - 0.8 meters, greatly expanding its application range;

[0016] (2) The turntable is highly integrated and has a modular structure, which is convenient for installation and repair;

[0017] (3) The turntable is small in volume and light in weight, which is convenient for a single person to carry on the back;

[0018] (4) The elevation structure adopts a worm and worm gear reducer with a self-locking function, which can prevent the antenna from abnormal transmission and unlocking;

[0019] (5) The turntable has strong adaptability and can be adaptively installed with other fixed seats such as a tripod. Description of the Drawings

[0020] Figure 1 is the structural axonometric view of the present invention;

[0021] Figure 2 is the structural sectional view of the present invention;

[0022] Figure 3 is the main structural view of the present invention with the first turntable box body plate and the second turntable box body plate removed;

[0023] Figure 4This is a schematic structural diagram of the worm and worm gear reducer of the present invention;

[0024] Figure 5 This is a schematic structural diagram of the present invention installed on a tripod.

[0025] Explanation of reference numerals in the drawings:

[0026] 1: First turntable box body plate, 2: Second turntable box body plate, 3: Right fork arm, 4: Turntable box body cover plate, 5: Left fork arm, 6: Third turntable box body plate, 7: Fourth turntable box body plate, 8: First sealing ring, 9: Second sealing ring, 10: Shaft retaining ring, 11: Bearing, 12: Pitch axis, 13: Fifth turntable box body plate, 14: Azimuth motor support frame, 15: Azimuth motor, 16: Encoder, 17: Azimuth large gear, 18: Crossed roller bearing, 19: Turntable box body bottom plate, 20: Worm and worm gear reducer, 21: Pitch motor support, 22: Driving pulley, 23: Pitch motor, 24: Synchronous toothed belt, 25: Driven pulley, 26: Sixth turntable box body plate, 27: Third sealing ring, 28: Fourth sealing ring, 29: Dial, 30: Azimuth small gear, 31: Worm shaft, 32: First bearing, 33: Worm and worm gear housing, 34: Gasket, 35: Cover plate, 36: Worm wheel, 37: Worm, 38: End cover, 39: Second bearing. Detailed implementation manners

[0027] The following describes the specific implementation manners of the present invention in conjunction with the drawings and embodiments:

[0028] It should be noted that the structures, ratios, sizes, etc. schematically shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those skilled in this technology to understand and read, and are not used to limit the implementation conditions of the present invention. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that the present invention can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in the present invention.

[0029] At the same time, the terms such as "upper", "lower", "left", "right", "middle", and "one" cited in this specification are only for the convenience of clear narration and are not used to limit the scope of implementation of the present invention. The change or adjustment of their relative relationships, without substantial change in the technical content, should also be regarded as the scope of implementation of the present invention.

[0030] Such as Figures 1 to 5As shown, it shows a specific embodiment of the present invention. As shown in the figure, a portable antenna turntable disclosed by the present invention includes a turntable box body, an azimuth component, and an elevation component. The turntable box body is composed of a first turntable box body plate 1, a second turntable box body plate 2, a turntable box body cover plate 4, a third turntable box body plate 6, a fourth turntable box body plate 7, a fifth turntable box body plate 13, a turntable box body bottom plate 19, and a sixth turntable box body plate 26. The fourth turntable box body plate 7 is fixedly installed on the left side of the top surface of the turntable box body bottom plate 19. The sixth turntable box body plate 26 is fixedly installed on the right side of the top surface of the turntable box body bottom plate 19. The left side of the second turntable box body plate 2 and the left side of the third turntable box body plate 6 are both fixedly installed on the fourth turntable box body plate 7. The right side of the second turntable box body plate 2 and the right side of the third turntable box body plate 6 are both fixedly installed on the sixth turntable box body plate 26. The first turntable box body plate 1 is fixedly installed on the second turntable box body plate 2, the fourth turntable box body plate 7, the turntable box body bottom plate 19, and the sixth turntable box body plate 26. The turntable box body cover plate 4 is fixedly installed on the second turntable box body plate 2, the third turntable box body plate 6, the fourth turntable box body plate 7, and the sixth turntable box body plate 26. The fifth turntable box body plate 13 is fixedly installed on the third turntable box body plate 6, the fourth turntable box body plate 7, the turntable box body bottom plate 19, and the sixth turntable box body plate 26. The turntable box body is installed on the azimuth component, and the elevation component is installed on the turntable box body.

[0031] Preferably, the azimuth component is composed of an azimuth motor support frame 14, an azimuth motor 15, an encoder 16, an azimuth large gear 17, a crossed roller bearing 18, and an azimuth small gear 30. The encoder 16 is installed on the top end of the azimuth motor 15. The bottom of the azimuth motor 15 is installed on the azimuth motor support frame 14. The azimuth motor support frame 14 is fixedly installed on the turntable box body bottom plate 19. The crossed roller bearing 18 is fixedly installed on the turntable box body bottom plate 19. The azimuth large gear 17 is fixedly installed on the crossed roller bearing 18. An azimuth small gear 30 is installed on the azimuth motor 15 and the azimuth small gear 30 meshes with the azimuth large gear 17.

[0032] Preferably, the pitching assembly consists of a right fork arm 3, a left fork arm 5, a first sealing ring 8, a second sealing ring 9, a shaft retaining ring 10, a bearing 11, a pitching shaft 12, a worm and worm gear reducer 20, a pitching motor bracket 21, a driving pulley 22, a pitching motor 23, a synchronous toothed belt 24, a driven pulley 25, a third sealing ring 27, a fourth sealing ring 28 and a dial 29. The left fork arm 5 is fixedly installed on the pitching shaft 12. The pitching shaft 12 is installed in the mounting hole on the fourth turntable box body plate 7 through the bearing 11. The shaft retaining ring 10 is installed in the annular groove on the pitching shaft 12 and the shaft retaining ring 10 abuts against the bearing 11. The first sealing ring 8 is fixedly installed on the outer side surface of the fourth turntable box body plate 7. The second sealing ring 9 is fixedly installed on the inner side surface of the left fork arm 5. The worm and worm gear reducer 20 is fixedly installed on the sixth turntable box body plate 26. The pitching motor 23 is installed on the pitching motor bracket 21. The pitching motor bracket 21 is fixedly installed on the fourth turntable box body plate 7. The driving pulley 22 is fixedly installed on the output shaft of the pitching motor 23. The driven pulley 25 is fixedly installed on the input shaft of the worm and worm gear reducer 20. The synchronous toothed belt 24 is installed on the driving pulley 22 and the driven pulley 25. The right fork arm 3 is fixedly installed on the output shaft of the worm and worm gear reducer 20. The third sealing ring 27 is fixedly installed on the inner side surface of the right fork arm 3. The fourth sealing ring 28 is fixedly installed on the outer side surface of the sixth turntable box body plate 26. The dial 29 is fixedly installed on the outer side surface of the left fork arm 5.

[0033] Preferably, the worm and worm gear reducer 20 consists of a worm shaft 31, a first bearing 32, a worm and worm gear housing 33, a gasket 34, a cover plate 35, a worm wheel 36, a worm 37, an end cover 38 and a second bearing 39. The worm shaft 31 is installed on the worm and worm gear housing 33 through the first bearing 32. The worm wheel 36 is fixedly installed on the worm shaft 31. The two ends of the worm 37 are respectively installed on the worm and worm gear housing 33 through the two second bearings 39 and the worm 37 meshes with the worm wheel 36. The end cover 38 is fixedly installed on the front side surface of the worm and worm gear housing 33. The cover plate 35 is fixedly installed on the left side surface of the worm and worm gear housing 33 and a gasket 34 is installed between the contact surfaces of the cover plate 35 and the worm and worm gear housing 33.

[0034] Preferably, the bottom of the azimuth large gear 17 is installed on a tripod or a fixed seat.

[0035] Preferably, a transfer plate is fixedly installed on the right fork arm 3 and the left fork arm 5, and an antenna reflector is installed on the transfer plate.

[0036] Preferably, the diameter of the antenna reflector is 0.3 - 0.8 m.

[0037] The present invention is assembled by combining a turntable box body, an azimuth component and an elevation component, adopting a modular structure, which greatly facilitates its installation and maintenance operations; the entire antenna turntable is installed on a tripod or a fixed base through the bottom of the azimuth large gear 17, and the installation structure form is diverse, which can meet different required sites; the azimuth motor 15 drives the azimuth small gear 30 to rotate, and the azimuth small gear 30 drives the azimuth large gear 17 to rotate, thereby driving the azimuth rotation of the turntable box body. An encoder 16 is installed on the azimuth motor 15 to achieve automatic zeroing operation; the elevation motor 23 drives the driving pulley 22 to rotate, and the driving pulley 22 drives the driven pulley 25 to rotate through the synchronous toothed belt 24, thereby driving the worm and worm gear reducer 20 to rotate, and further driving the rotation of the right fork arm 3. The left fork arm 5 is a driven shaft and the left fork arm 5 is installed on the elevation shaft 12, and the elevation shaft 12 is installed on the fourth turntable box body plate 7 through the bearing 11; the antenna reflector is installed on the adapter plate, and both ends of the adapter plate are respectively installed on the right fork arm 3 and the left fork arm 5.

[0038] The preferred embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can also be made without departing from the gist of the present invention.

[0039] Many other changes and modifications can be made without departing from the concept and scope of the present invention. It should be understood that the present invention is not limited to the specific embodiments, and the scope of the present invention is defined by the appended claims.

Claims

1. A portable antenna turntable, characterized in that: It includes a turntable housing, an azimuth component, and an elevation component. The turntable housing is composed of a first turntable housing plate, a second turntable housing plate, a turntable housing cover plate, a third turntable housing plate, a fourth turntable housing plate, a fifth turntable housing plate, a turntable housing bottom plate, and a sixth turntable housing plate. The fourth turntable housing plate is fixedly installed on the left side of the top surface of the turntable housing bottom plate. The sixth turntable housing plate is fixedly installed on the right side of the top surface of the turntable housing bottom plate. The left side of the second turntable housing plate and the left side of the third turntable housing plate are both fixedly installed on the fourth turntable housing plate. The right side of the second turntable housing plate and the right side of the third turntable housing plate are both fixedly installed on the sixth turntable housing plate. The first turntable housing plate is fixedly installed on the second turntable housing plate, the fourth turntable housing plate, the turntable housing bottom plate, and the sixth turntable housing plate. The turntable housing cover plate is fixedly installed on the second turntable housing plate, the third turntable housing plate, the fourth turntable housing plate, and the sixth turntable housing plate. The fifth turntable housing plate is fixedly installed on the third turntable housing plate, the fourth turntable housing plate, the turntable housing bottom plate, and the sixth turntable housing plate. The turntable housing is installed on the azimuth component, and the elevation component is installed on the turntable housing; The azimuth component is composed of an azimuth motor support frame, an azimuth motor, an encoder, an azimuth large gear, a crossed roller bearing, and an azimuth small gear. The encoder is installed on the top of the azimuth motor. The bottom of the azimuth motor is installed on the azimuth motor support frame. The azimuth motor support frame is fixedly installed on the turntable housing bottom plate. The crossed roller bearing is fixedly installed on the turntable housing bottom plate. The azimuth large gear is fixedly installed on the crossed roller bearing. An azimuth small gear is installed on the azimuth motor and the azimuth small gear meshes with the azimuth large gear; The elevation component is composed of a right fork arm, a left fork arm, a first sealing ring, a second sealing ring, a shaft retaining ring, a bearing, an elevation shaft, a worm and worm gear reducer, an elevation motor support, a driving pulley, an elevation motor, a synchronous toothed belt, a driven pulley, a third sealing ring, a fourth sealing ring, and a dial. The left fork arm is fixedly installed on the elevation shaft. The elevation shaft is installed in the installation hole on the fourth turntable housing plate through the bearing. The shaft retaining ring is installed in the annular groove on the elevation shaft and the shaft retaining ring abuts against the bearing. The first sealing ring is fixedly installed on the outer side surface of the fourth turntable housing plate. The second sealing ring is fixedly installed on the inner side surface of the left fork arm. The worm and worm gear reducer is fixedly installed on the sixth turntable housing plate. The elevation motor is installed on the elevation motor support. The elevation motor support is fixedly installed on the fourth turntable housing plate. The driving pulley is fixedly installed on the output shaft of the elevation motor. The driven pulley is fixedly installed on the input shaft of the worm and worm gear reducer. The synchronous toothed belt is installed on the driving pulley and the driven pulley. The right fork arm is fixedly installed on the output shaft of the worm and worm gear reducer. The third sealing ring is fixedly installed on the inner side surface of the right fork arm. The fourth sealing ring is fixedly installed on the outer side surface of the sixth turntable housing plate. The dial is fixedly installed on the outer side surface of the left fork arm; The right fork arm and the left fork arm are fixedly installed with adapter plates, and antenna reflectors are installed on the adapter plates; The diameter of the antenna reflector is 0.3 - 0.8 m.

2. The portable antenna turntable according to claim 1, characterized in that: The worm and worm gear reducer is composed of a worm shaft, a first bearing, a worm and worm gear housing, a gasket, a cover plate, a worm gear, a worm, an end cover and a second bearing. The worm shaft is installed on the worm and worm gear housing through the first bearing. The worm gear is fixedly installed on the worm shaft. The two ends of the worm are respectively installed on the worm and worm gear housing through the two second bearings, and the worm meshes with the worm gear. The end cover is fixedly installed on the front side of the worm and worm gear housing. The cover plate is fixedly installed on the left side of the worm and worm gear housing, and a gasket is installed between the contact surfaces of the cover plate and the worm and worm gear housing.

3. The portable antenna turntable according to claim 1, wherein: The bottom of the azimuth large gear is installed on a tripod or a fixed seat.

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