CN100418265C - Rotation angle fine adjustment mechanism and satellite antenna applying same - Google Patents

Abstract

A rotation angle fine-tuning mechanism is connected with a supporting frame and a base frame arranged on a base surface, the supporting frame is used for connecting a signal receiving device to form a satellite antenna and rotates relative to the base surface in a first axial direction to be initially positioned, the fine-tuning mechanism comprises a pivoting unit and an adjusting unit, the pivoting unit forms a rotating shaft in a second axial direction parallel to the first axial direction, the adjusting unit comprises a screw rod, a fixing piece and a moving piece, the fixing piece can be arranged at the end part of the screw rod in a relatively rotating mode, the moving piece is screwed on the screw rod relatively and moves relatively in the length direction of the screw rod through the rotation of the screw rod, and the purpose of fine tuning of the rotation angle is achieved by changing the relative distance between the fixing piece and the moving piece through the rotation of the screw rod.

Description

Rotation angle fine-tuning mechanism and satellite antenna using the fine-tuning mechanism

【Technical field】

The present invention relates to a rotation angle fine-tuning mechanism, in particular to a fine-tuning mechanism applied to a satellite antenna for fine-tuning the horizontal azimuth angle and/or vertical elevation angle.

【Background technique】

It is known that the satellite antenna is used to receive the signal transmitted by the satellite to the ground, and the frequency of the satellite signal has been increased from the KU frequency to the KA frequency, so it is more sensitive to the directivity of the antenna reception, which is caused by the antenna radiation of the KA frequency The beam width (Antenna Radiation Lobes Beamwidth) is relatively narrow, and in terms of the installation of the current satellite antennas, most of them are initially aligned and fine-tuned manually, but the existing satellite antennas are only designed with a rough adjustment mechanism, so Once the sensitivity of antenna directivity is required to be greatly improved, manual fine-tuning is not only time-consuming and labor-intensive, but also often cannot achieve a very accurate level, so that the reception effect of satellite signals is greatly affected.

【Content of invention】

Therefore, the purpose of the present invention is to provide a fine-tuning device that can achieve small and precise adjustment of the rotation angle through a mechanically screwed interlocking design.

Another object of the present invention is to provide a satellite antenna capable of precisely adjusting the horizontal azimuth angle and/or vertical elevation angle by using the fine-tuning device.

The rotation angle fine-tuning mechanism of the present invention is to provide the connection of a support frame and a base frame, and the support frame can be used to connect a signal receiving device to form a satellite antenna, and the base frame is then located on a base surface, and the support frame is provided with a After the first axis direction is rotated relative to the base surface and initially positioned, the fine adjustment mechanism can be used for further precise positioning, and the fine adjustment mechanism includes a pivot unit and an adjustment unit.

The pivoting unit forms a first connecting portion connected to the supporting frame and a second connecting portion connected to the base frame, and the first connecting portion can be opposite to the second axial direction parallel to the first axial direction. The second link rotates. The adjustment unit includes a screw, a fixed piece that is relatively rotatably arranged at the end of the screw and maintains a constant relative distance from the other end of the screw, and a relatively screwed on the screw that rotates along the length of the screw. The movable part moves relative to each other, so that the fixed part and the movable part are respectively positioned on the first connecting part and the second connecting part.

The effect of the present invention is that when the relative distance between the fixed part and the movable part is changed by the rotation of the screw, the first connecting part and the second connecting part can be linked to slightly rotate relative to each other in the direction of the second axis to change the distance between them. Included angle. Then achieve the purpose of fine-tuning the rotation angle of the support frame corresponding to the base surface.

【Description of drawings】

Fig. 1 is a perspective view of one embodiment of the rotation angle fine-tuning mechanism of the present invention applied to a satellite antenna;

Fig. 2 is a perspective view of some components after the assembly of Fig. 1;

Fig. 3 is a schematic diagram of the fine-tuning action of the horizontal azimuth angle in this embodiment; and

Fig. 4 is a schematic diagram of the vertical elevation angle fine-tuning action of this embodiment.

【Detailed ways】

The foregoing and other technical contents, features and effects of the present invention will be clearly understood in the following detailed description of an embodiment with reference to the drawings.

Referring to Fig. 1 and Fig. 2, one embodiment of the rotation angle fine-tuning mechanism of the present invention is applied to a satellite antenna 100, so that the satellite antenna 100 can be positioned on a base surface such as a building exterior wall, a top floor, etc. (not shown in the figure) It is used to receive a signal transmitted by a satellite in a fixed position relative to the earth. From the perspective of the overall structure of the satellite antenna 100 , it includes a signal receiving device 1 , a base frame 2 , a supporting frame 3 and a fine-tuning mechanism 4 .

The signal receiving device 1 includes a dish-shaped reflector 11 and a wave collector 12, which are designed for the characteristics of the wireless signal transmitted by the satellite. Since this part is not related to the focus of the present invention, it is not intended to be described in detail here.

The base frame 2 includes an upright rod 21 fixed on the base surface and a sleeve part 22 which can be locked on the end of the upright rod 21. The sleeve part 22 is designed with a slot 23 in the length direction of the end of the upright rod 21. And a lug piece 221 is formed on two sides corresponding to the slot 23 . The slot 23 allows the diameter of the sleeve part 22 to be slightly elastically expanded and contracted. When the sleeve part 22 is not fixed to the end of the upright rod 21, the sleeve part 22 can be relative to the upright rod 21 in the first vertical axis direction V1. Rotate and preliminarily adjust the horizontal azimuth angle of the sleeve portion 22 relative to the upright rod 21, and then pass through the two lugs 221 through a plurality of bolts 24 to lock the two lugs 221 to make them approach each other, resulting in the sleeve portion 22 It is fastened to the end of the upright rod 21 and fixed.

A fixing part 31 is formed at each corner of the support frame 3, and the dish reflector 11 can be connected by bolts 32. In addition, the wave collector 12 is fixed at a fixed distance from the front of the dish reflector 11 by a bracket (not shown). at the location. The support frame 3 can preliminarily adjust the upright elevation angle of the support frame 3 relative to the base surface with a first horizontal axis direction H1 through the design of the pivot unit (described later).

The fine-tuning mechanism 4 includes a pivot unit, a first adjusting unit 45 capable of fine-tuning the azimuth angle, and a first adjusting unit 46 capable of fine-tuning the elevation angle. It must be pointed out that since this embodiment is used for fine-tuning in two directions such as azimuth angle and elevation angle, the design of the first adjustment unit 45 and the first adjustment unit 46 is only available if the fine-tuning is only performed in a single direction , in fact, only one adjustment unit needs to be set.

The main function of the pivot unit is to connect the support frame 3 and the base frame 2, and at the same time, the support frame 3 and the base frame 2 can rotate with each other in the first vertical axis direction V1 and the first horizontal axis direction H1 to change their positions. Provide a second vertical axis direction V2 parallel to the first vertical axis direction V1 and a second horizontal axis direction H2 parallel to the first horizontal axis direction H1 as a fine-tuning function, based on this Design concept, as long as the pivot unit forms a first connection part connected to the support frame 3 and a second connection part connected to the base frame 2, and the first connection part can be parallel to the first vertical axis direction V1 or It is only necessary to rotate the first horizontal axis direction H1 relative to the second connecting portion. But in this example, in order to combine the purpose of fine-tuning the azimuth and the elevation angle, in fact, the pivot unit adopts a design with a base plate 41, a base frame 42, a stand frame 43 and a connecting frame 44, wherein:

The seat plate 41 is flat and connected to the upper edge of the sleeve portion 22 by welding or integral molding, so that the seat plate 41 and the sleeve portion 22 can change positions synchronously.

The underframe 42 generally extends in a horizontal direction, and is pivotally connected to the seat plate 41 by a pivot 424 extending in an upright direction, so that the underframe 42 can move in a second vertical axis direction parallel to the first vertical axis direction V1. V2 rotates relative to the seat plate 41 .

The stand 43 generally extends in an upright direction, and a pivot shaft 432 extending in a horizontal direction on both sides of its lower end forms a pivot connection with one end of the bottom frame 42, so that the stand 43 can be parallel to the second direction of the first horizontal axis direction H1. The horizontal axis direction H2 rotates relative to the base frame 42 .

The connecting frame 44 has a flat portion 441 and two wing portions 442 that are approximately quarter-circle in shape and located at opposite edges of the flat portion 441 and arranged in parallel and spaced apart. Corresponding positions on the wings 442 each utilize a pivot 445 centered on the first horizontal axis direction H1 to be pivotally connected to a stand 43 in the middle of the two wings 442, so that the connecting frame 44 drives the supporting frame 3 to The first horizontal axis direction H1 rotates relative to the stand 43, and the wing 442 is provided with a guide groove 443 extending in an arc shape centered on the pivot 445 under the pivot 445, and one side of the guide groove 443 is correspondingly provided with an angle. Scale 444, in addition, and utilize one to pass through guide groove 443 and can move relative to guide groove 443 at the same time to be locked on the bolt 446 on the stand 42 as the usefulness of locking, when bolt 446 is not locked with stand 43, The connecting frame 44 can rotate relative to the vertical frame 43 and initially adjust the elevation angle of the supporting frame 3 with reference to the angle scale 444, and when the position of the edge of the guide groove 443 relative to the vertical frame 43 is clamped by the bolt 446, the supporting frame 3 can be roughly positioned The elevation angle position of .

Supplementary at the same time as shown in Figure 3, in terms of fine-tuning of the horizontal azimuth angle, the design concept of the pivotal unit of the aforementioned first link and the second link that can pivot mutually, the bottom frame 42, the stand 43 and the link The combination of the frame 44 can be regarded as a first connecting portion, and the seat plate 41 can be regarded as a second connecting portion. And the first adjustment unit 45 has a screw rod 451, a fixed part 452 and a movable part 453, the surface of the screw rod 451 has a thread with a very small pitch, and the fixed part 452 is relatively rotatably located at the end of the screw rod 451 and connected with the screw rod The other end of 451 keeps the relative distance constant, and the movable part 453 is provided with an inner screw hole matching the thread pitch of the screw rod 451, so that the movable part 453 can be screwed on the screw rod 451, and the rotation of the screw rod 451 makes the movable part 453 move along the screw rod. 451 moves relative to the length direction, and the fixed part 452 and the movable part 453 are respectively deflectably positioned on the chassis 42 (the first connecting part) and the seat plate 41 (the second connecting part) with an imaginary axis, and the screw rod 451 The rotation axis passes through these imaginary axes vertically. In addition, the first adjustment unit 45 further has a cross bar 454 that is combined with the screw rod 451 and extends in a direction perpendicular to the length direction of the screw rod 451. The cross bar 454 can provide a certain length. Torque is beneficial for the operator to rotate the screw rod 451.

In this way, when the relative distance between the fixed part 452 and the movable part 453 is changed by the rotation of the screw rod 451, since the position of the movable part 453 is fixed, the relative movement of the screw rod 451 is caused to pull the fixed part 452 to move, so the bottom can be linked. The frame 42 and the seat plate 41 rotate slightly in the second vertical axis direction V2 to change the angle between them, so when the support frame 3 initially adjusts the horizontal azimuth angle relative to the base surface in the first vertical axis direction V1 , the azimuth angle can be further fine-tuned by rotating the screw rod 451, and since the rotation axis of the screw rod 451 is vertically crossing the imaginary axis that passes through the fixed part 452 and the movable part 453 relative to the base frame 42 and the seat plate 41, respectively, Therefore, avoiding force components in other directions when the screw rod 451 drives the fixed part 452 and the movable part 453 can effectively avoid the influence on the fine-tuning accuracy. In addition, the first adjustment unit 45 is also provided with an adjustment bolt 457 that is locked on the fixing member 452 along the axial direction of the screw rod 451 and abuts against the end of the screw rod 451, which can be used to ensure that the fixing member 452 is not aligned with the axial direction of the screw rod 451. There will be relative movement, which can improve the transmission accuracy.

The seat plate 41 is further provided with an azimuth scale mark 411, and the corresponding position of the base frame 42 has a pointy indicating portion 421, which is used as an angle value for indicating the horizontal azimuth fine-tuning and is convenient for the operator to use when fine-tuning. Furthermore, in order to fix its position after fine-tuning, the screw rod 451 is further provided with a first stop screw 455 and a second stop screw 456 such as a nut shape, the first stop screw 455 and the second stop screw 456. The second stop screw 456 is screwed on the screw rod 451 and is respectively located on the opposite sides of the movable part 453. When fine-tuning to the position, the first stop screw 455 and the second stop screw 456 Rotate relative to the screw rod 451 to contact the movable part 453 respectively, thereby generating a force to clamp the movable part 453. That is to lock the position of the movable part 453 corresponding to the screw rod 451 to achieve the positioning function.

In the same way, with reference to Fig. 1, Fig. 2 and shown in Fig. 4, with regard to the fine-tuning of the upright angle of elevation, the combination of link frame 44 and stand frame 43 can be regarded as a first link, and the bottom frame 42 and seat plate 41 The combination can be regarded as the second connecting part, and the first adjustment unit 46 is roughly the same design as the first adjustment unit 45, and has a screw rod 461, a fixed part 462 and a movable part 463, so that the fixed part 462 can be moved by an imaginary axis. Positioned deflectably between the upper end of the stand 43 and the two wings 442 of the connecting frame 44, the movable part 463 is also deflectably pivoted in the middle of the two lugs 423 formed on both sides of the underframe 42 with an imaginary axis, and the screw rod 461 The axis of rotation passes through the center point of the fixed piece 462 and the movable piece 463 vertically, and intersects with the imaginary axes of the fixed piece 462 and the movable piece 463, so as to avoid component forces in other directions. The fixing member 462 is provided with an adjusting bolt 467 abutting against the end of the screw rod 461 to improve the transmission accuracy.

After the connecting frame 44 rotates relative to the vertical frame 43 with the first horizontal axis direction H1 and is positioned mutually, and initially adjusts the vertical elevation angle of the supporting frame 3 relative to the base surface, the connecting frame 44 can be connected to the vertical frame by rotating the screw rod 461. The upright frame 43 integrally performs fine adjustment of the elevation angle relative to the bottom frame 42 in the second horizontal axis direction H2. Similarly, one side of the bottom frame 42 is provided with an elevation angle scale mark 422 , and one edge of the stand 43 forms a corresponding indicator portion 431 , which can be used to indicate the angle value for the operator to fine-tune the vertical elevation angle. And on the screw rod 461, the opposite sides that are respectively positioned at the movable part 463 are also provided with a first stop screw 465 and a second stop screw 466, so that the first stop screw 465 and the second stop screw The combined part 466 generates a force to clamp the movable part 463 to achieve the positioning function.

In addition, referring to FIG. 1, in order to further improve the precision of fine adjustment, a bushing can be used in the above-mentioned shaft hole or screw hole to reduce the relative rotation gap between the two fittings, such as the bushing 447 sleeved on the pivot 445, Or the bushing 437 set on the pivot 432 to increase the transmission accuracy between the two matching parts and improve the concentricity, so as to achieve the purpose of precise fine-tuning.

To sum up the above, the rotation angle fine-tuning mechanism of the present invention and the satellite antenna 100 using the fine-tuning mechanism can initially adjust the required azimuth angle on the support frame 3 with the first vertical axis direction V1 and the first horizontal axis direction H1 relative to the base surface. After calculating the elevation angle, a second vertical axis direction V2 parallel to the first vertical axis direction V1 is generated through the design of the pivot unit as the azimuth fine-tuning shaft, and a parallel first horizontal axis direction H1 is used as the elevation angle The second horizontal axis direction H2 of the angle fine-tuning rotating shaft passes through the screw joint linkage mechanism of the screw rods 451 and 461 of the first adjustment unit 45 and the first adjustment unit 46, and the design of the smaller pitch of the screw rods 451 and 461 makes the supporting frame 3 The second vertical axis direction V2 and the second horizontal axis direction H2 are further precisely adjusted to the correct azimuth angle and elevation angle relative to the base surface, eliminating the shortcomings of manual fine-tuning in the past, so the purpose of the present invention can indeed be achieved .

But the above-mentioned person is only the embodiment of the present invention, should not limit the scope of the present invention to implement with this, and although above-mentioned satellite antenna is illustrated with fine-tuning of azimuth angle and elevation angle, it can also only be used for the rotation of a single direction of rotation. Fine-tuning the angle, that is, all simple equivalent changes and modifications made according to the patent scope of the present invention and the content of the description of the invention should still fall within the scope covered by the patent of the present invention.

Claims (25)

1. anglec of rotation micro-adjusting mechanism, the connection of one bearing support and a pedestal is provided, this pedestal then is located on the base surface, this bearing support rotate with respect to this base surface with one first axis direction and Primary Location after, further accurately located by this micro-adjusting mechanism, this micro-adjusting mechanism comprises:

One pivot unit forms second linking part that first linking part and that is connected in this bearing support is connected in this pedestal, and this first linking part also can be with respect to this second linking part rotation with one second axis direction that is parallel to this first axis direction; And

One adjustment unit, comprise a screw rod, one is located at the end of this screw rod rotatably and keeps the constant fixture of relative distance with the other end of this screw rod, an and movable part that is screwed together on this screw rod and relatively moves along this spiro rod length direction by the rotation of this screw rod, make that this fixture and this movable part are to be positioned this first linking part and this second linking part respectively, when the rotation by this screw rod changes the relative distance of this fixture and this movable part, but this first linking part of interlock and this second linking part relatively rotate a little with this second axis direction and change mutual angle, and then reach the purpose that this bearing support is finely tuned corresponding to this pedestal anglec of rotation.

2. anglec of rotation micro-adjusting mechanism according to claim 1, it is characterized in that, this adjustment unit more comprises one first stop screw piece and one second stop screw piece, this first stop screw piece and this second stop screw piece are the two opposite sides that is screwed together on this screw rod and lays respectively at this movable part, this first stop screw piece of mat rotates with respect to this screw rod with this second stop screw piece and produces the strength of this movable part of clamping after contacting this movable part respectively, and then locks the position of this movable part corresponding to this screw rod.

3. anglec of rotation micro-adjusting mechanism according to claim 1, it is characterized in that, this adjustment unit comprises that more one is incorporated into this screw rod and bearing of trend and this spiro rod length direction and is the staggered cross bar of an angle, and this cross bar of mat provides the moment of certain-length in order to rotating this screw rod.

4. anglec of rotation micro-adjusting mechanism according to claim 1, it is characterized in that, each is positioned this first linking part and this second linking part respectively pivotly with the axis of imaginaries that one of is parallel to each other this fixture of this adjustment unit and this movable part, and the center of rotation of this screw rod is vertically by described axis of imaginaries.

5. anglec of rotation micro-adjusting mechanism according to claim 1, it is characterized in that, this adjustment unit comprises that more a center of rotation direction along this screw rod is locked together on this fixture and is connected to the adjustment bolt of this screw rod end, to eliminate the gap of this fixture and this screw rod.

6. anglec of rotation micro-adjusting mechanism according to claim 1 is characterized in that, further uses a lining in the screw on this first axis direction and this second axis direction, to reduce between two counterparts gap in relative rotation.

7. a satellite antenna is positioned a base surface to receive a satellite-signal, and this satellite antenna comprises:

One signal receiving device comprises a dish-shaped reflecting plate and a wave collecting device;

One pedestal connects this base surface;

One bearing support connects this dish reflecting plate and this wave collecting device, and this bearing support also rotates and Primary Location with respect to this base surface with one first axis direction; And

One micro-adjusting mechanism comprises:

One pivot unit is formed with second linking part that first linking part and that is connected in this bearing support is connected in this pedestal, and this first linking part also can be with respect to this second linking part rotation with one second axis direction that is parallel to this first axis direction; And

One adjustment unit, has a screw rod, one is located at the end of this screw rod rotatably and keeps the constant fixture of relative distance with the other end of this screw rod, an and movable part that is screwed together on this screw rod and relatively moves along this spiro rod length direction by the rotation of this screw rod, make that this fixture and this movable part are to be positioned this first linking part and this second linking part respectively, when the rotation by this screw rod changes the relative distance of this fixture and this movable part, but this first linking part of interlock and this second linking part relatively rotate a little with this second axis direction and change mutual angle, and then reach the purpose that this bearing support is finely tuned corresponding to this pedestal anglec of rotation.

8. satellite antenna according to claim 7, it is characterized in that, the adjustment unit of this micro-adjusting mechanism has more one first stop screw piece and one second stop screw piece, this first stop screw piece and this second stop screw piece are the two opposite sides that is screwed together on this screw rod and lays respectively at this movable part, this first stop screw piece of mat rotates with respect to this screw rod with this second stop screw piece and produces the strength of this movable part of clamping after contacting this movable part respectively, and then locks the position of this movable part corresponding to this screw rod.

9. satellite antenna according to claim 7, it is characterized in that, the adjustment unit of this micro-adjusting mechanism has more one and is incorporated into this screw rod and bearing of trend and this spiro rod length direction and is the staggered cross bar of an angle, and this cross bar of mat provides the moment of certain-length in order to rotating this screw rod.

10. satellite antenna according to claim 7, it is characterized in that, each is positioned this first linking part and this second linking part respectively pivotly with the axis of imaginaries that one of is parallel to each other this fixture of this adjustment unit and this movable part, and the center of rotation of this screw rod is vertically by described axis of imaginaries.

11. satellite antenna according to claim 7, it is characterized in that, this pedestal comprises that a up-and-down rod and that is fixed in this base surface is perpendicular to this first axis direction extension, rotate relative to this up-and-down rod, and cover locks in the sleeve part of the end of this up-and-down rod, making this bearing support tentatively adjust the level orientation angle with respect to this base surface, is the first vertical central direction perpendicular to this first axis direction wherein.

12. satellite antenna according to claim 11, it is characterized in that, the pivot unit of this micro-adjusting mechanism has a seat board, one underframe, one stand and a linkage frame, this underframe is to articulate rotationally with respect to this seat board with the one second vertical central direction that is parallel to this first vertical central direction, this linkage frame is to articulate rotationally with this first axis direction and this stand that is level, make this linkage frame and this stand form this first linking part, engage with this bearing support by this linkage frame, this underframe and this seat board then are combined into one to form this second linking part, this seat board is connected in this sleeve part, make the fixture of this adjustment unit be positioned on this underframe, this movable part then is connected on this seat board, carries out the fine setting of orientation angles by rotating this screw rod.

13. satellite antenna according to claim 11, it is characterized in that, the pivot unit of this micro-adjusting mechanism comprises a seat board, one underframe, one stand and a linkage frame, this linkage frame is to articulate rotationally with this first axis direction and this stand that is level, make this linkage frame and this stand form this first linking part, engage with this bearing support by this linkage frame, this underframe and this seat board then are combined into one to form this second linking part, this seat board is connected in this sleeve part, this stand is can rotate with respect to this underframe with one second axis direction that is parallel to this first axis direction again, make the fixture of this adjustment unit be positioned on this linkage frame, this movable part then is connected on this underframe, rotate also each other location with this first axis direction with respect to this stand at this linkage frame, after the upright elevation angle angle of this bearing support of preliminary adjustment, carry out the fine setting of elevation angle angle by rotating this screw rod with respect to this base surface.

14. satellite antenna according to claim 7 is characterized in that, this adjustment unit comprises that more a center of rotation direction along this screw rod is locked together on this fixture, and is connected to the adjustment bolt of this screw rod end, to eliminate the gap of this fixture and this screw rod.

15. satellite antenna according to claim 7 is characterized in that, more uses a lining in the screw on this first axis direction and this second axis direction, to reduce between two counterparts gap in relative rotation.

16. a satellite antenna is positioned a base surface to receive a satellite-signal, this satellite antenna comprises:

One signal receiving device comprises a dish-shaped reflecting plate and a wave collecting device;

One pedestal comprises that one is fixed in the up-and-down rod of this base surface and relatively rotates and overlap a sleeve part that locks in this up-and-down rod end with one first vertical central direction;

One bearing support connects this dish reflecting plate and this wave collecting device; And

One micro-adjusting mechanism comprises:

One pivot unit, have a seat board, a underframe, a stand and a linkage frame, this seat board is connected in this sleeve part, this underframe then articulates with respect to this seat board rotationally with the one second vertical central direction that is parallel to this first vertical central direction, this linkage frame connects this bearing support and articulates rotationally with one first horizontal axis direction and this stand, and this stand also articulates with respect to this underframe rotationally with the one second horizontal axis direction that is parallel to this first horizontal axis direction again;

One first adjustment unit, has first screw rod, one is located at the end of this screw rod rotatably and keeps the first constant fixture of relative distance with the other end of this screw rod, and first movable part that is screwed together on this screw rod and relatively moves along this spiro rod length direction by the rotation of this screw rod, make this first fixture and this first movable part respectively be positioned pivotly respectively on this underframe and this seat board with an axis of imaginaries, the center of rotation of this first screw rod is then respectively vertically by described axis of imaginaries, when the rotation by this first screw rod changes the relative distance of this first fixture and this first movable part,, this underframe of interlock and this seat board change mutual angle but relatively rotating a little with this second vertical central direction, after this bearing support is tentatively adjusted the level orientation angle with this first vertical central direction with respect to this base surface, carry out the fine setting of orientation angles by rotating this first screw rod;

One second adjustment unit, also has second screw rod, one is located at the end of this screw rod rotatably and keeps the second constant fixture of relative distance with the other end of this second screw rod, reaching one is screwed together on this second screw rod and second movable part that relatively moves along this second spiro rod length direction by the rotation of this second screw rod, make this second fixture and this second movable part respectively be positioned pivotly respectively on this linkage frame and this underframe with an axis of imaginaries, the center of rotation of this second screw rod then vertically passes through the positive central point of this second fixture and this second movable part respectively, and intersect with described axis of imaginaries, when the rotation by this second screw rod changes the relative distance of this second fixture and this second movable part,, this linkage frame of interlock and this stand change mutual angle but relatively rotating a little with this second horizontal axis direction, after the angle of the upright elevation angle of preliminary adjustment, carry out the fine setting of elevation angle angle with respect to this base surface with this first horizontal axis direction at this bearing support by rotating this second screw rod.

17. satellite antenna according to claim 16, it is characterized in that, first adjustment unit of this micro-adjusting mechanism has more one first stop screw piece and one second stop screw piece, this first stop screw piece and this second stop screw piece are the two opposite sides that is screwed together on this first screw rod and lays respectively at this first movable part, this first stop screw piece of mat rotates with respect to this first screw rod with this second stop screw piece and produces the strength of this movable part of clamping after contacting this first movable part respectively, and then locks the position of this first movable part corresponding to this first screw rod.

18. satellite antenna according to claim 16, it is characterized in that, second adjustment unit of this micro-adjusting mechanism has more one first stop screw piece and one second stop screw piece, this first stop screw piece and this second stop screw piece are the two opposite sides that is screwed together on this second screw rod and lays respectively at this second movable part, this first stop screw piece of mat rotates with respect to this second screw rod with this second stop screw piece and produces the strength of this movable part of clamping after contacting this second movable part respectively, and then locks the position of this second movable part corresponding to this second screw rod.

19. satellite antenna according to claim 16, it is characterized in that, first adjustment unit of this micro-adjusting mechanism comprises that more one is incorporated into this first screw rod and bearing of trend and this first spiro rod length direction and is the first staggered cross bar of an angle, and this first cross bar of mat provides the moment of certain-length in order to rotating this first screw rod.

20. satellite antenna according to claim 16, it is characterized in that, second adjustment unit of this micro-adjusting mechanism comprises that more one is incorporated into this second screw rod and bearing of trend and this second spiro rod length direction and is the second staggered cross bar of an angle, and this second cross bar of mat provides the moment of certain-length in order to rotating this second screw rod.

21. satellite antenna according to claim 16, it is characterized in that, it is the guide groove of the curved extension in center with this first horizontal axis direction that the linkage frame of this pivot unit is provided with one, reaching one also can be with respect to moving in this guide groove to be locked in the bolt of this stand by this guide groove, this bolt of mat is used the elevation angle angle of this bearing support of Primary Location with respect to this base surface with the position of this guide groove edge of clamping with respect to this stand.

22. satellite antenna according to claim 16 is characterized in that, the seat board of this pivot unit is provided with an azimuth scale and indicates, and this underframe has the instruction unit of a correspondence, in order to the angle value of indication level orientation fine setting.

23. satellite antenna according to claim 16 is characterized in that, the underframe of this pivot unit is provided with an elevation angle scale and indicates, and this stand has the instruction unit of a correspondence, in order to indicate the angle value of upright elevation angle fine setting.

24. satellite antenna according to claim 16, it is characterized in that, this first adjustment unit comprises that more a center of rotation direction along this first screw rod is locked together on this first fixture and is connected to the adjustment bolt of this first screw rod end, to eliminate the gap of this first fixture and this first screw rod.

25. satellite antenna according to claim 16 is characterized in that, more uses a lining in the screw on this first axis direction and this second axis direction, to reduce between two counterparts gap in relative rotation.

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