Small antenna turntable coarse and fine tuning locking transmission mechanism

Abstract

The utility model discloses a coarse and fine adjustment locking transmission mechanism for a small antenna turntable. The coarse and fine adjustment locking transmission mechanism comprises a base, a rotating sleeve, a coarse adjustment frame, a fine adjustment frame, a coarse adjustment locking assembly and a fine adjustment locking assembly, the rotating sleeve is rotationally arranged on the base, and the antenna turntable is arranged on the rotating sleeve; one end of the coarse adjustment frame is fixedly connected to the rotating sleeve, and the other end is rotationally connected to the base; one end of the fine adjustment frame is connected with the base through a coarse adjustment locking assembly, and the other end is connected with the coarse adjustment frame through a fine adjustment locking assembly; the coarse adjustment frame can drive the rotating sleeve to rotate by a large angle relative to the base when the coarse adjustment locking assembly is in the unlocking state. The fine adjustment locking assembly can drive the coarse adjustment frame to rotate relative to the fine adjustment frame when the coarse adjustment locking assembly is in the locking state so as to drive the rotating sleeve to rotate by a small angle relative to the base. The azimuth angle adjustment of the antenna turntable is realized by adopting a coarse adjustment-fine adjustment composite adjustment form, the manual adjustment efficiency can be greatly improved, and meanwhile, the antenna turntable has the advantages of simple structure and convenience in angle adjustment.

Description

Technical Field

[0001] The utility model relates to the field of satellite communication, in particular to a coarse and fine adjustment locking transmission mechanism of a small antenna turntable. Background Art

[0002] At present, the azimuth angle adjustment of satellite communication antennas is achieved through the rotation of a turntable. In high-orbit satellite communication systems, since the earth orbit of high-orbit satellites is always located at the same position on the earth's surface, it is not necessary for the antenna to frequently control the azimuth angle of the turntable. It is only necessary to adjust the turntable to the required angle and lock it after the antenna turntable is installed. This can be done manually, especially in small-aperture antennas. Since the change in the gravitational field of the satellite will cause the satellite to drift, the antenna turntable needs to be fine-tuned after a period of use to realign it with the satellite and lock it.

[0003] At present, most antenna turntables use electrical or hydraulic transmission methods to achieve the rotational movement of the turntable. These transmission methods require a more complex control system and have too high requirements on the operators. However, these transmission methods are not suitable for small-diameter high-orbit antennas. At present, the fine-tuning locking structure mostly uses T-type screws or gear sets to achieve small-angle fine-tuning functions, which makes the assembly process more complicated and difficult to maintain. At the same time, due to the limitation of the rotation radius size of small antennas, the azimuth rotation torque is short, which requires the operator to exert a lot of force during the adjustment process, seriously affecting work efficiency.

[0004] Therefore, a small antenna turntable coarse and fine adjustment locking transmission mechanism is urgently needed to solve the above problems. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a small antenna turntable coarse and fine adjustment locking transmission mechanism.

[0006] The technical solution adopted by an embodiment of the utility model to solve the technical problem is: a small antenna turntable coarse and fine adjustment locking transmission mechanism, including a base, a rotating sleeve, a coarse adjustment frame, a fine adjustment frame, a coarse adjustment locking assembly and a fine adjustment locking assembly;

[0007] The rotating sleeve is rotatably arranged on the base, and the antenna turntable is installed on the rotating sleeve;

[0008] One end of the coarse adjustment frame is fixedly connected to the rotating sleeve, and the other end is rotatably connected to the base;

[0009] One end of the fine adjustment frame is connected to the base through a coarse adjustment locking assembly, and the other end is connected to the coarse adjustment frame through a fine adjustment locking assembly;

[0010] The coarse adjustment frame can drive the rotating sleeve to rotate at a large angle relative to the base when the coarse adjustment locking assembly is in an unlocked state; the fine adjustment locking assembly can drive the coarse adjustment frame to rotate relative to the fine adjustment frame when the coarse adjustment locking assembly is in a locked state, thereby driving the rotating sleeve to rotate at a small angle relative to the base.

[0011] As one of the preferred embodiments of the utility model, the coarse adjustment frame includes a first armrest and a second armrest which are arranged on both sides of the base and the rotating sleeve.

[0012] As one of the preferred embodiments of the present utility model, the rotating sleeve is connected to the base through a first rotating assembly.

[0013] As one of the preferred embodiments of the present utility model, the first rotating assembly is configured as a tapered roller bearing.

[0014] As one of the preferred embodiments of the utility model, the other end of the coarse adjustment frame is connected to the base through a second rotating assembly.

[0015] As one of the preferred embodiments of the present utility model, the second rotating assembly is configured as a self-lubricating sleeve.

[0016] As one of the preferred embodiments of the utility model, the coarse adjustment locking assembly includes a clamp mounted on the base and buckles connected to both ends of the clamp. The clamp can clamp the base when the buckle is in a locked state, or release the base when the buckle is in an unlocked state.

[0017] As one of the preferred embodiments of the utility model, the fine-tuning locking assembly includes a first handle knob and a second handle knob, the middle section of the fine-tuning frame is connected to the base through the coarse-tuning locking assembly, the first handle knob is rotatably connected to one end of the fine-tuning frame and abuts against one end of the coarse-tuning frame, and the second handle knob is rotatably connected to the other end of the fine-tuning frame and abuts against the other end of the coarse-tuning frame.

[0018] The beneficial effects of the utility model include: a coarse and fine adjustment locking transmission mechanism of a small antenna turntable, comprising a base, a rotating sleeve, a coarse adjustment frame, a fine adjustment frame, a coarse adjustment locking assembly and a fine adjustment locking assembly; the rotating sleeve is rotatably arranged on the base, and the antenna turntable is installed on the rotating sleeve; one end of the coarse adjustment frame is fixedly connected to the rotating sleeve, and the other end is rotatably connected to the base; one end of the fine adjustment frame is connected to the base through the coarse adjustment locking assembly, and the other end is connected to the coarse adjustment frame through the fine adjustment locking assembly; the coarse adjustment frame can drive the rotating sleeve to rotate at a large angle relative to the base when the coarse adjustment locking assembly is in an unlocked state; the fine adjustment locking assembly can drive the coarse adjustment frame to rotate relative to the fine adjustment frame when the coarse adjustment locking assembly is in a locked state, so as to drive the rotating sleeve to rotate at a small angle relative to the base; the azimuth angle adjustment of the antenna turntable is realized by adopting a coarse adjustment-fine adjustment composite adjustment form, which can greatly improve the efficiency of manual adjustment, and at the same time has the advantages of simple structure and convenient angle adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 It is a first structural schematic diagram of a coarse and fine adjustment locking transmission mechanism of a small antenna turntable;

[0021] Figure 2 A second structural schematic diagram of a coarse and fine adjustment locking transmission mechanism of a small antenna turntable;

[0022] Figure 3 It is a cross-sectional view of the coarse and fine adjustment locking transmission mechanism of a small antenna turntable. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] In the description of the present utility model, the meaning of "more than" is more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0025] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0027] Reference Figures 1 to 3A small antenna turntable coarse and fine adjustment locking transmission mechanism includes a base 10, a rotating sleeve 20, a coarse adjustment frame 30, a fine adjustment frame 40, a coarse adjustment locking assembly 50 and a fine adjustment locking assembly 60;

[0028] The rotating sleeve 20 is rotatably disposed on the base 10, and the antenna turntable is mounted on the rotating sleeve 20;

[0029] One end of the coarse adjustment frame 30 is fixedly connected to the rotating sleeve 20, and the other end is rotatably connected to the base 10;

[0030] One end of the fine adjustment frame 40 is connected to the base 10 through the coarse adjustment locking assembly 50, and the other end is connected to the coarse adjustment frame 30 through the fine adjustment locking assembly 60;

[0031] The coarse adjustment frame 30 can drive the rotating sleeve 20 to rotate at a large angle relative to the base 10 when the coarse adjustment locking assembly 50 is in an unlocked state; the fine adjustment locking assembly 60 can drive the coarse adjustment frame 30 to rotate relative to the fine adjustment frame 40 when the coarse adjustment locking assembly 50 is in a locked state, thereby driving the rotating sleeve 20 to rotate at a small angle relative to the base 10.

[0032] In the present invention, when adjusting, first adjust the coarse adjustment locking assembly 50 to the unlocked state, that is, pull the trigger 52 upward to make the two openings of the clamp 51 move away from each other, so that the clamp 51 releases the clamp on the base 10, and adjust the fine adjustment locking assembly 60 to the unlocked state, that is, rotate the first grip knob 61 and the second grip knob 62 in the opposite direction to make the first grip knob 61 and the second grip knob 62 move away from the fine adjustment frame 40, and then grasp the first armrest 31 and the second armrest 32 on the coarse adjustment frame 30 to drive the rotating sleeve 20 and the antenna turntable installed on the rotating sleeve 20 to rotate relative to the base 10, so as to achieve a large-angle azimuth adjustment of the antenna turntable, and then pull the trigger 52 downward to make the clamp 51 clamp the base 10; and then perform fine adjustment, specifically, adjust according to needs. The handle knob on the other side is adjusted in the same direction. For example, when the antenna turntable needs to be rotated to the left, the first handle knob 61 is rotated in the positive direction so that the first handle knob 61 pushes the first armrest 31, thereby driving the entire coarse adjustment frame 30 to rotate to the left, and finally driving the rotating sleeve 20 and the antenna turntable mounted on the rotating sleeve 20 to rotate to the left relative to the base 10. When the required azimuth angle is reached, the second handle knob 62 is rotated in the positive direction so that the second handle knob 62 pushes the second armrest 32, thereby limiting the rotation of the coarse adjustment frame 30, and completing the azimuth angle adjustment of the antenna turntable. The advantage of the utility model is that the azimuth angle adjustment of the antenna turntable is achieved by adopting a coarse adjustment-fine adjustment composite adjustment form, which can greatly improve the efficiency of manual adjustment, and at the same time has the advantages of simple structure and convenient angle adjustment.

[0033] As a preferred embodiment of the coarse adjustment frame 30, the coarse adjustment frame 30 includes a first armrest 31 and a second armrest 32 respectively arranged on both sides of the base 10 and the rotating sleeve 20; the driving force arm of the antenna turntable rotation is increased, and the operator saves more effort when pushing the antenna turntable to rotate.

[0034] Preferably, the rotating sleeve 20 is connected to the base 10 via a first rotating assembly 70 .

[0035] As a preferred embodiment of the first rotating assembly 70, the first rotating assembly 70 is configured as a tapered roller bearing.

[0036] Preferably, the other end of the coarse adjustment frame 30 is connected to the base 10 via a second rotating assembly 80 .

[0037] As a preferred embodiment of the second rotating assembly 80, the second rotating assembly 80 is configured as a self-lubricating bushing.

[0038] As a preferred embodiment of the coarse adjustment locking assembly 50, the coarse adjustment locking assembly 50 includes a clamp 51 mounted on the base 10 and buckles 52 connected to both ends of the clamp 51. The clamp 51 can clamp the base 10 when the buckle 52 is in a locked state, or release the base 10 when the buckle 52 is in an unlocked state.

[0039] As a preferred embodiment of the fine-tuning locking assembly 60, the fine-tuning locking assembly 60 includes a first grip knob 61 and a second grip knob 62. The middle section of the fine-tuning frame 40 is connected to the base 10 through the coarse-tuning locking assembly 50. The first grip knob 61 is rotatably connected to one end of the fine-tuning frame 40 and abuts against one end of the coarse-tuning frame 30. The second grip knob 62 is rotatably connected to the other end of the fine-tuning frame 40 and abuts against the other end of the coarse-tuning frame 30.

[0040] Of course, the present invention is not limited to the above-mentioned embodiments, and technicians familiar with the field may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications and substitutions are all included in the scope defined by the claims of this application.

Claims

1. A small antenna turntable coarse and fine adjustment locking transmission mechanism, characterized in that: It comprises a base (10), a rotating sleeve (20), a coarse adjustment frame (30), a fine adjustment frame (40), a coarse adjustment locking assembly (50) and a fine adjustment locking assembly (60); The rotating sleeve (20) is rotatably arranged on the base (10), and the antenna turntable is installed on the rotating sleeve (20); One end of the coarse adjustment frame (30) is fixedly connected to the rotating sleeve (20), and the other end is rotatably connected to the base (10); One end of the fine adjustment frame (40) is connected to the base (10) via the coarse adjustment locking assembly (50), and the other end is connected to the coarse adjustment frame (30) via the fine adjustment locking assembly (60); The coarse adjustment frame (30) can drive the rotating sleeve (20) to rotate at a large angle relative to the base (10) when the coarse adjustment locking assembly (50) is in an unlocked state; and the fine adjustment locking assembly (60) can drive the coarse adjustment frame (30) to rotate relative to the fine adjustment frame (40) when the coarse adjustment locking assembly (50) is in a locked state, so as to drive the rotating sleeve (20) to rotate at a small angle relative to the base (10).

2. According to claim 1, a small antenna turntable coarse and fine adjustment locking transmission mechanism is characterized in that: The coarse adjustment frame (30) comprises a first armrest (31) and a second armrest (32) which are arranged on both sides of the base (10) and the rotating sleeve (20).

3. According to claim 1, a small antenna turntable coarse and fine adjustment locking transmission mechanism is characterized by: The rotating sleeve (20) is connected to the base (10) via a first rotating assembly (70).

4. The coarse and fine adjustment locking transmission mechanism of a small antenna turntable according to claim 3 is characterized by: The first rotating assembly (70) is configured as a tapered roller bearing.

5. The coarse and fine adjustment locking transmission mechanism of a small antenna turntable according to claim 1 is characterized in that: The other end of the coarse adjustment frame (30) is connected to the base (10) via a second rotating assembly (80).

6. The coarse and fine adjustment locking transmission mechanism of a small antenna turntable according to claim 5, characterized in that: The second rotating assembly (80) is configured as a self-lubricating sleeve.

7. The coarse and fine adjustment locking transmission mechanism of a small antenna turntable according to claim 1 is characterized by: The coarse adjustment locking assembly (50) comprises a hoop (51) sleeved on the base (10) and buckles (52) connected to both ends of the hoop (51); the hoop (51) can clamp the base (10) when the buckle (52) is in a locked state, or release the base (10) when the buckle (52) is in an unlocked state.

8. The coarse and fine adjustment locking transmission mechanism of a small antenna turntable according to claim 1, characterized in that: The fine adjustment locking assembly (60) comprises a first grip knob (61) and a second grip knob (62); the middle section of the fine adjustment frame (40) is connected to the base (10) via the coarse adjustment locking assembly (50); the first grip knob (61) is rotatably connected to one end of the fine adjustment frame (40) and abuts against one end of the coarse adjustment frame (30); the second grip knob (62) is rotatably connected to the other end of the fine adjustment frame (40) and abuts against the other end of the coarse adjustment frame (30).

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