CN100418265C

CN100418265C - Rotation angle fine regulation mechanism and satellite antenna using the same

Info

Publication number: CN100418265C
Application number: CNB2004100435457A
Authority: CN
Inventors: 林宏源; 郭三义
Original assignee: Wistron Neweb Corp
Current assignee: Wistron Neweb Corp
Priority date: 2004-05-17
Filing date: 2004-05-17
Publication date: 2008-09-10
Anticipated expiration: 2024-05-17
Also published as: CN1700516A

Abstract

The present invention relates to a rotary angle trimming mechanism which is a base frame which is connected with a supporting frame and is arranged on a base surface. The supporting frame is used for being connected with a signal receiver to form a satellite antenna, and the supporting frame rotates relatively to the base surface to be initially positioned in a first shaft center direction. The trimming mechanism comprises a pivoting unit and an adjusting unit, wherein a rotary shaft which is in a second shaft center direction in parallel with the first shaft center direction is formed on the pivoting unit; the adjusting unit comprises a screw, a fixed piece and a movable piece; the fixed piece can be arranged at the end part of the screw in a relative rotary mode, and the movable piece is screwed on the screw and relatively moves in the lengthwise direction of the screw by the rotation of the screw; the relative distance of the fixed piece and the movable piece is changed by the rotation of the screw, so the purpose of trimming the rotary angle can be achieved.

Description

Anglec of rotation micro-adjusting mechanism and use the satellite antenna of this micro-adjusting mechanism

[technical field]

The invention relates to a kind of anglec of rotation micro-adjusting mechanism, be meant a kind of micro-adjusting mechanism that is applied to satellite antenna and can readjusts by a small margin level orientation angle and/or upright elevation angle angle especially.

[background technology]

The known satellite antenna is in order to receive the signal on ground that satellite is sent to, and the frequency of satellite-signal has been promoted to KA frequently frequently by KU at present, therefore responsive more for the directive property of antenna reception, promptly lead because of narrower in KA radiation lobe of antenna wide (Antenna Radiation Lobes Beamwidth) frequently, and with the installation of existing satellite antenna, major part is all carried out preliminary contraposition and fine setting with manual type, yet existing satellite antenna all only designs rough adjusting mechanism, so in case require under the condition of significantly raising at the susceptibility of antenna directivity, the not only time-consuming consumption power of the fine setting of manual type, and often can't reach quite accurate degree, the reception that consequently influences satellite-signal is very huge.

[summary of the invention]

Therefore, purpose of the present invention is to screw togather interlock design to reach slightly and accurately to adjust the micromatic setting of anglec of rotation effect by mechanicalness providing a kind of.

A further object of the present invention is to utilize this micromatic setting and can accurately adjust the satellite antenna of level orientation angle and/or upright elevation angle angle providing a kind of.

Anglec of rotation micro-adjusting mechanism of the present invention provides the connection of a bearing support and a pedestal, and bearing support can be in order to connect a signal receiving device to constitute a satellite antenna, pedestal then is located on the base surface, bearing support rotate with respect to base surface with one first axis direction and Primary Location after, can further accurately locate by micro-adjusting mechanism, and micro-adjusting mechanism comprises a pivot unit and an adjustment unit.

The pivot unit forms second linking part that first linking part and that is connected in bearing support is connected in pedestal, and first linking part also can rotate with respect to second linking part to be parallel to one of first axis direction second axis direction.Adjustment unit comprises that a screw rod, is located at the end of screw rod rotatably and keeps the constant fixture of relative distance with the other end of screw rod, reach one relative to the movable part that is screwed together on the screw rod and relatively moves along the spiro rod length direction, make that fixture and movable part are to be positioned first linking part and second linking part respectively by rotating of screw rod.

Effect of the present invention is, when the rotation by screw rod changes the relative distance of fixture and movable part,, interlock first linking part and second linking part change mutual angle but relatively rotating a little with second axis direction. and then reach bearing support is rotated the angle fine setting corresponding to base surface purpose.

[description of drawings]

Fig. 1 is the stereogram that one of anglec of rotation micro-adjusting mechanism of the present invention embodiment is applied to a satellite antenna;

Fig. 2 is a member stereogram partly after the combination of Fig. 1;

Fig. 3 is the level orientation angle trimming movement schematic diagram of this embodiment; And

Fig. 4 is the upright elevation angle angle trimming movement schematic diagram of this embodiment.

[embodiment]

About aforementioned and other technology contents, characteristics and effect of the present invention, in the following detailed description that cooperates with reference to one of graphic embodiment, can clearly understand.

Consult Fig. 1 and Fig. 2, one of anglec of rotation micro-adjusting mechanism of the present invention embodiment is applied to a satellite antenna 100, make satellite antenna 100 can be positioned on the base surface just like building exterior wall, attic floor etc. (figure does not show), in order to receive the signal that a satellite on the overhead fixed position with respect to the earth is launched.And by the unitary construction of satellite antenna 100, it includes a signal receiving device 1, a pedestal 2, a bearing support 3 and a micro-adjusting mechanism 4.

Signal receiving device 1 includes a dish-shaped reflecting plate 11 and a wave collecting device 12, is that the wireless signal characteristic of launching at satellite is designed, and this does not intend narrating in detail in this partly because of non-pass emphasis of the present invention.

Pedestal 2 comprises that one is fixed in the up-and-down rod 21 of base surface and can overlaps the sleeve part 22 that locks in up-and-down rod 21 ends with one, and sleeve part 22 design on up-and-down rod 21 tip lengths directions a fluting 23, and respectively forms a lug sheet 221 in the both sides of 23 correspondences of slotting.Fluting 23 makes the diameter of sleeve part 22, and slightly elastic dilatation and bundle contract, at sleeve part 22 not with up-and-down rod 21 ends fixedly the time, sleeve part 22 is able to the first vertical central direction V1 and tentatively adjusts the level orientation angle of sleeve part 22 with respect to up-and-down rod 21 with respect to up-and-down rod 21 rotations, pass the sealed two lug sheets 221 in two lug sheets 221 back by a plurality of bolts 24 again and make it approaching mutually, cause sleeve part 22 to tighten and fix in the end of up-and-down rod 21.

The corner of bearing support 3 respectively forms a fixed part 31, but mat bolt 32 connects dish-shaped reflecting plate 11, and in addition, wave collecting device 12 is to utilize a support (figure does not show) to be fixed on the position from dish-shaped reflecting plate 11 the place ahead fixed ranges.Bearing support 3 can tentatively be adjusted the upright elevation angle angle of bearing support 3 with respect to base surface with one first horizontal axis direction H1 by the design of pivot unit (holding the back narration).

Micro-adjusting mechanism 4 comprises a pivot unit, first adjustment unit 45 that can finely tune orientation angles and first adjustment unit 46 that can finely tune elevation angle angle.And it must be noted that, because present embodiment is in order to finely tune on two directions such as orientation angles and elevation angle angle, therefore the design of first adjustment unit 45 and first adjustment unit 46 is just arranged,, an adjustment unit in fact only need be set get final product if only when single direction is finely tuned.

The main effect of pivot unit is to connect bearing support 3 and pedestal 2, simultaneously can rotate mutually with the first vertical central direction V1 and the first horizontal axis direction H1 and change beyond the position at bearing support 3 and pedestal 2, the second vertical central direction V2 that is parallel to the first vertical central direction V1 as one of fine setting use is provided in addition, an and rotating function that is parallel to the second horizontal axis direction H2 of the first horizontal axis direction H1, based on this design concept, as long as make the pivot unit form second linking part that first linking part and that is connected in bearing support 3 is connected in pedestal 2, and first linking part can get final product with respect to the rotation of second linking part to be parallel to the first vertical central direction V1 or the first horizontal axis direction H1.But in this example, for the purpose in conjunction with orientation and elevation angle fine setting, in fact, the pivot unit is to adopt the design with a seat board 41, a underframe 42, a stand 43 and a linkage frame 44, wherein:

Seat board 41 is a tabular, is connected in the upper limb place of sleeve part 22 with welding or integrated mode, but makes seat board 41 and sleeve part 22 synchronous change positions.

Underframe 42 generally extends with the horizontal plane direction, and it is cube to be articulated on the seat board 41 to a pivot 424 that extends, underframe 42 can be rotated with respect to seat board 41 with the second vertical central direction V2 that is parallel to the first vertical central direction V1 always.

Stand 43 is generally extended with vertical direction, each pivot 432 that extends with a horizontal direction of its both sides, lower end constitutes the pivot joint form with underframe 42 1 ends, and the second horizontal axis direction H2 that makes stand 43 be parallel to the first horizontal axis direction H1 rotates with respect to underframe 42.

Linkage frame 44 has a planar portions 441 and two shapes generally are quadrant and are positioned at planar portions 441 opposite two edges and the alar part 442 of parallel interval arrangement, planar portions 441 in order to 3 sealed connections of bearing support, and the corresponding position on each alar part 442 respectively utilizes one to be that the pivot 445 at center is articulated in the stand 43 that is positioned in the middle of the both wing portions 442 with the first horizontal axis direction H1, making linkage frame 44 drive bearing support 3 can rotate with respect to stand 43 with the first horizontal axis direction H1, is the guide groove 443 of the curved extension in center and alar part 442 is provided with one below pivot 445 with pivot 445, guide groove 443 1 sides are provided with an angle index table 444 accordingly, in addition, and utilize one simultaneously can be with respect to moving in the guide groove 443 to be locked in bolt 446 in the stand 42 as the usefulness of locking by guide groove 443, when bolt 446 is not locked with stand 43, linkage frame 44 is the elevations angle that can rotate and tentatively adjust with reference to angle graduation apparatus 444 bearing support 3 relative to stand 43, but during with respect to the position of stand 43 angle position, the elevation angle of summary positioning support frame 3 then at mat bolt 446 clamping guide grooves 443 edges.

Be aided with shown in Figure 3 simultaneously, with regard to the fine setting of level orientation angle, hold the design concept of the hinged unit that aforesaid first linking part and second linking part can pivot mutually, the combination of underframe 42, stand 43 and linkage frame 44 can be considered first linking part, and 41 of seat boards can be considered second linking part.And first adjustment unit 45 has a screw rod 451, one fixture 452 and a movable part 453, screw rod 451 surfaces have the quite little screw thread of pitch, and fixture 452 is to be located at the end of screw rod 451 rotatably and to keep relative distance constant with the other end of screw rod 451, be provided with the inner bolt hole of a cooperation screw rod 451 thread pitch in the movable part 453, movable part 453 can be screwed together on the screw rod 451, rotation by screw rod 451 makes movable part 453 relatively move along screw rod 451 length directions, but and fixture 452 and movable part 453 be respectively with an axis of imaginaries deflection be positioned on underframe 42 (first linking part) and the seat board 41 (second linking part), and the axis of rotation of screw rod 451 is vertically by these imaginary axle center, in addition, first adjustment unit 45 has more a cross bar 454 that is incorporated into screw rod 451 and bearing of trend and screw rod 451 length direction vertical interlaceds, and cross bar 454 can provide the moment of certain-length and be beneficial to the usefulness of operator's rotating screw bolt 451.

So, when the rotation by screw rod 451 changes the relative distance of fixture 452 and movable part 453, because movable part 453 positions are for fixing, cause screw rod 451 relative motions on the contrary and drawing fixture 452 moves, but, interlock underframe 42 and seat board 41 change mutual angle so relatively rotating a little with the second vertical central direction V2, so after bearing support 3 is tentatively adjusted the level orientation angle with the first vertical central direction V1 with respect to base surface, can further carry out the fine setting of orientation angles by rotating screw bolt 451, and because the axis of rotation of screw rod 451 is vertically to intersect the axis of imaginaries that pivots with respect to underframe 42 and seat board 41 respectively by fixture 452 and movable part 453, produce the component of other directions when therefore avoiding screw rod 451 transmission fixtures 452, can effectively avoid the influence on the trimming precision with movable part 453.In addition, first adjustment unit 45 also is provided with one and is locked together on the fixture 452 and is connected to the adjustment bolt 457 of screw rod 451 ends along screw rod 451 axis directions, can on the axis direction of screw rod 451, not have the generation that relatively moves in order to guarantee fixture 452, can improve transmission accuracy by this.

And seat board 41 more is provided with azimuth scale sign 411, and the corresponding position of underframe 42 then has one and is tip-shape instruction unit 421, is convenient to use when the operator makes Precision trimming as the angle value of indicating the level orientation fine setting.Moreover, in order after fine setting, to fix its position, more be provided with on the screw rod 451 as one of nut form first stop screw piece 455 and one second stop screw piece 456, the first stop screw piece 455 and the second stop screw piece 456 are the two opposite sides that are screwed together on the screw rod 451 and lay respectively at movable part 453, when fine setting when locating, the first stop screw piece 455 and the second stop screw piece 456 are rotated with respect to screw rod 451 and contact movable part 453 respectively, use producing a strength that clamps movable part 453. be lockable movable part 453 reaches the location corresponding to the position of screw rod 451 function.

In like manner, with reference to figure 1, Fig. 2 and shown in Figure 4, with regard to the fine setting of upright elevation angle angle, the combination of linkage frame 44 and stand 43 can be considered one first linking part, the combination of underframe 42 and seat board 41 then can be considered second linking part, and first adjustment unit 46 is roughly identical with 45 designs of first adjustment unit, has a screw rod 461, one fixture 462 and a movable part 463, but make fixture 462 be positioned in the middle of two alar parts 442 of stand 43 upper ends and linkage frame 44 with axis of imaginaries deflection ground, but movable part 463 also with an axis of imaginaries deflection be articulated in the middle of formed two lugs 423 in underframe 42 both sides, and the center of rotation of screw rod 461 is then vertically by the positive central point of fixture 462 with movable part 463, and intersect with the axis of imaginaries of fixture 462 and movable part 463, to avoid producing the component of other directions, in addition, also being provided with one is locked on the fixture 462 to be connected to screw rod 461 ends to improve the adjustment bolt 467 of transmission accuracy.

Rotate also each other location with the first horizontal axis direction H1 with respect to stand 43 at linkage frame 44, and after tentatively adjusting the upright elevation angle angle of bearing support 3, can make linkage frame 44 and stand 43 carry out the fine setting of elevation angle angle with the second horizontal axis direction H2 with respect to underframe 42 integratedly by rotating screw bolt 461 with respect to base surface.Similarly, a side of underframe 42 is provided with an elevation angle scale and indicates 422, and an edge of stand 43 then forms the instruction unit 431 of a correspondence, can be in order to the angle value of indication operator to the fine setting of the upright elevation angle.And the two opposite sides that lays respectively at movable part 463 on the screw rod 461 is provided with one first stop screw piece 465 and one second stop screw piece 466 equally, makes the first stop screw piece 465 and the second stop screw piece 466 produce one and clamps the strength of movable part 463 and reach the function of location.

In addition, with reference to figure 1, in order further to improve the precision of fine setting, in above-mentioned axis hole or screw, can use lining to reduce between two counterparts gap in relative rotation, as be sheathed on lining 447 on the pivot 445, or be sheathed on lining 437 on the pivot 432 etc., to increase the transmission accuracy between two counterparts and to improve concentricity, reach the purpose of Precision trimming.

Conclude above-mentioned, the satellite antenna 100 of anglec of rotation micro-adjusting mechanism of the present invention and application micro-adjusting mechanism, bearing support 3 with the first vertical central direction V1 and the first horizontal axis direction H1 with respect to base surface preliminary adjust required orientation angles and elevation angle angle after, design by hinged unit and then produce parallel first a vertical central direction V1 with the second vertical central direction V2 as orientation angles fine setting rotating shaft, and parallel first a horizontal axis direction H1 is with the second horizontal axis direction H2 as elevation angle angle fine setting rotating shaft, screw rod 451 via first adjustment unit 45 and first adjustment unit 46,461 screw togather interlinked mechanism, by screw rod 451,461 than fine pitch design and make bearing support 3 be adjusted to correct orientation angles and elevation angle angle with respect to the further precision of base surface with the second vertical central direction V2 and the second horizontal axis direction H2, the shortcoming manually to finely tune in the past of preventing is so can reach purpose of the present invention really.

The above person of thought, only be embodiments of the invention, when not limiting scope of the invention process with this, though and above-mentioned satellite antenna is finely tuned as an illustration with orientation angles and elevation angle angle, so also can only finely tune the angle of single direction of rotation, promptly the simple equivalent of being done according to the present patent application claim and description of the invention content generally changes and modifies, and all should still belong in the scope that patent of the present invention contains.

Claims

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 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.