CN103116104A - Detection device and detection method for ship-borne satellite signal receiving antenna - Google Patents
Detection device and detection method for ship-borne satellite signal receiving antenna Download PDFInfo
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- CN103116104A CN103116104A CN2013100595760A CN201310059576A CN103116104A CN 103116104 A CN103116104 A CN 103116104A CN 2013100595760 A CN2013100595760 A CN 2013100595760A CN 201310059576 A CN201310059576 A CN 201310059576A CN 103116104 A CN103116104 A CN 103116104A
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Abstract
The invention provides a detection device and a detection method for a ship-borne satellite signal receiving antenna, belongs to the technical field of operation, and solves the technical problems that possible problems of an existing ship-borne satellite signal receiving antenna after long-time use cannot be detected and the like. The detection device for the ship-borne satellite signal receiving antenna comprises a base and a worktable, a primary cross shaft is arranged on an open wall of a connecting frame in an axially fixed and circumferentially rotating manner, and a motor is fixed onto the base and can drive the worktable to swing back and forth along the primary cross shaft. The detection method includes the steps: mounting the antenna; selecting gears; turning on the motor; and judging whether the antenna is qualified or not. The detection device has the advantage that the detection device is closer to an actual working environment for detecting the ship-borne satellite signal receiving antenna. The detection method has the advantages that operation is simple, and the performance of the ship-borne satellite signal receiving antenna can be accurately detected.
Description
Technical field
The invention belongs to the operation technique field, relate to a kind of boat-carrying satellite signal receiving antenna, particularly a kind of pick-up unit of boat-carrying satellite signal receiving antenna.The invention still further relates to a kind of detection method of boat-carrying satellite signal receiving antenna, it also belongs to the operation technique field.
Background technology
At present, along with popularizing of satellite television, a boat-carrying satellite television receiving antenna aboard ship is installed just can have been watched TV programme, satellite television has become an indispensable part in fisherman's life, allow fisherman's TV reception at any time during going fishing on the sea, understand in real time the information such as news, weather, thereby rewritten the marine history that can't teleview.
The boat-carrying satellite television is mainly by boat-carrying satellite signal receiving antenna receiving satellite signal, the swing of hull is very large owing to riding the sea, in order to guarantee the clear and continuous of signal, need to guarantee that signal receiving antenna is constantly to satelloid, therefore Chinese patent literature discloses a kind of azimuth angle control device [CN201569920U] of carrier-borne satellite TV receiver, and the orientation that this patent can accurately the control signal receiving antenna makes it all the time to satelloid; For the quality that guarantees product need to detect this product when dispatching from the factory, this with regard to need a kind ofly to simulate warship, the device of swing when ship rides the sea carries out simulation test to signal receiving antenna.The method that adopts at present is signal receiving antenna to be placed on manual tilter test, all the very important person goes swing that tilter is swung at every turn, exist the artificial interference factor, be not suitable for testing for a long time, and manually wave with the warship of reality, swing when ship rides the sea and there are differences, working environment that can not good signal receiving antenna that is virtually reality like reality, the reference value of test is not high; Be difficult to test for a long time owing to adopting manually to wave, so just may examine and not measure the problem that signal receiving antenna may occur after using for a long time, do not reach the requirement of test.
Summary of the invention
The objective of the invention is the problems referred to above of existing for prior art, proposed a kind of pick-up unit of boat-carrying satellite signal receiving antenna, this pick-up unit have detect effective, detect characteristics more easily.
Another object of the present invention is to provide a kind of detection method of boat-carrying satellite signal receiving antenna, and this detection method has the characteristics more convenient, that accuracy of detection is higher that detect.
first purpose of the present invention can realize by following technical proposal: a kind of pick-up unit of boat-carrying satellite signal receiving antenna, comprise base and the worktable that is arranged on the base top, described worktable is provided with and can be used for the fixedly fixed sturcture of boat-carrying satellite signal receiving antenna, vertically be fixed with the bracing frame that is U-shaped on described base, described worktable bottom is fixed with the link that is U-shaped, on the perforated wall of described link, axial restraint and circumferential the rotation are provided with the one-level joint spider, the other two ends of described one-level joint spider are arranged on the perforated wall of bracing frame by the mode of axial restraint and circumferentially rotation, has the gap between described bracing frame upper end and worktable, be fixed with motor on described base, be provided with by described motor between described motor and worktable and can drive the tilting mechanism that worktable swings back and forth along the one-level joint spider.
The one-level joint spider can satisfy waving of two degree of freedom directions of worktable, accurately control worktable in the swing of two degree of freedom by the motor-driven tilting mechanism, simulate more really warship, the environment when ship rides the sea, can test more accurately the performance of satellite signal receiving antenna.
in the pick-up unit of above-mentioned boat-carrying satellite signal receiving antenna, described tilting mechanism comprises having input shaft, the commutator of output shaft one and output shaft two, disk one, disk two, connecting rod one and connecting rod two, the output shaft one of described commutator and the output shaft of commutator two are mutually vertical, the input shaft of described commutator parallels with output shaft one, the output shaft of described motor is connected with the input shaft of commutator, described disk one be fixed on the output shaft one of commutator and disk one perpendicular with this output shaft one, described disk two be fixed on the output shaft two of commutator and disk two perpendicular with this output shaft two, the lower end of described connecting rod one is eccentric and be hinged on the card of disk one, the upper end of described connecting rod one is hinged on an end of worktable bottom, the lower end of described connecting rod two is eccentric and be hinged on the card of disk two, the upper end of described connecting rod two is hinged on a side of worktable bottom.Two degree of freedom of worktable are the first degree of freedom and the second degree of freedom, the first degree of freedom is controlled by connecting rod one, output shaft one rotates and drives disk one rotation, thereby the eccentric motion drive worktable that connecting rod one is done on above-below direction along with disk one swings along the first degree of freedom, the second degree of freedom is controlled by connecting rod two, output shaft two rotates and drives disk two rotations, thereby the eccentric motion drive worktable that connecting rod two is done on above-below direction along with disk two swings along the second degree of freedom.
in the pick-up unit of above-mentioned boat-carrying satellite signal receiving antenna, described commutator also comprises housing and is arranged on the interior bevel gear one of housing, bevel gear two, bevel gear three, synchronizer, coupling shaft, gear one, gear two, gear three, gear four, above-mentioned input shaft, output shaft one and output shaft two all are arranged on housing by the mode of axial restraint and circumferentially rotation, described bevel gear one is fixed on input shaft, described bevel gear three is fixed on output shaft two, described coupling shaft is by axial restraint and circumferential mode of rotating is arranged in housing and coupling shaft parallels with the input shaft of commutator, described bevel gear two is fixed on coupling shaft, described bevel gear two and bevel gear three all are meshed with described bevel gear one, described gear two and gear three all are fixed on coupling shaft, the mode that described gear one and gear four-way are crossed axial restraint and circumferentially rotation is arranged on the output shaft one of commutator, described gear one be meshed with gear two and gear one less than gear two, described gear four be meshed with gear three and gear four greater than gear three, described gear one also has teeth on the flank of tooth of gear four, described gear four also has teeth on the flank of tooth of gear one, described synchronizer is set on the output shaft one of commutator and is connected with this output shaft one by spline, described synchronizer is between gear one and gear four, have respectively teeth one and the teeth two that can be meshed with the teeth of the teeth of gear one and gear four on described synchronizer both ends of the surface, described synchronizer also has the gear level that can stir teeth one and teeth two.Thereby the driven by motor input shaft rotates band dynamic bevel gear one and rotates, thereby bevel gear one band dynamic bevel gear two and bevel gear three drive output shaft two and coupling shaft rotation, the specific works state is as follows: when only needing worktable to swing along its second degree of freedom, synchronizer is between gear one and gear four, output shaft two rotations this moment, output shaft one does not rotate; When the needs worktable swings simultaneously along its first degree of freedom and the second degree of freedom, by stirring gear level synchronizer and gear one or gear four engagements, this moment, output shaft two and output shaft one rotated, worktable is along the hunting frequency of the second degree of freedom hunting frequency less than the first degree of freedom when one engagement of synchronizer and gear, and worktable is along the hunting frequency of the second degree of freedom hunting frequency greater than the first degree of freedom when synchronizer meshes with gear four; Can realize simulating multiple swing mode by the position of synchronizer, simulate working environment more accurately for satellite signal receiving antenna, guarantee the quality of product.
In the pick-up unit of above-mentioned boat-carrying satellite signal receiving antenna, vertically be fixed with the back up pad one and the back up pad two that are parallel to each other in described housing, described back up pad one upper end is fixed with bearing one, described back up pad two upper ends are fixed with bearing two, the input shaft of above-mentioned commutator wears and is fixed on the inner ring of bearing one, and the output shaft one of above-mentioned commutator wears and is fixed on the inner ring of bearing two.
In the pick-up unit of above-mentioned boat-carrying satellite signal receiving antenna, be fixed with respectively bearing three and bearing four on the output shaft one of described commutator, above-mentioned gear one is fixed on the outer ring of bearing three, and gear four is fixed on the outer ring of bearing four.
in the pick-up unit of above-mentioned boat-carrying satellite signal receiving antenna, the upper end of described connecting rod one has the connecting portion one that is U-shaped, the upper end of described connecting link two has the connecting portion two that is U-shaped, one end of described worktable bottom is fixed with web joint one and the web joint two that is parallel to each other, between described web joint one and web joint two, axial restraint and circumferential the rotation are provided with secondary joint spider one, the other two ends of described secondary joint spider one are arranged on the perforated wall of connecting portion one by the mode of axial restraint and circumferentially rotation, one side of described worktable bottom is fixed with web joint three and the web joint four that is parallel to each other, between described web joint three and web joint four, axial restraint and circumferential the rotation are provided with secondary joint spider two, the other two ends of described secondary joint spider two are arranged on the perforated wall of connecting portion two by the mode of axial restraint and circumferentially rotation.Adopt secondary joint spider one to connect with connecting rod one and make the relative connecting rod one of worktable have one degree of freedom, adopt secondary joint spider two to connect with connecting rod two and make the relative connecting rod two of worktable have one degree of freedom, guaranteed that worktable swings smooth.
In the pick-up unit of above-mentioned boat-carrying satellite signal receiving antenna, described link and base are provided with spring, and described spring one end is fixed on link, and the described spring other end is fixed on base.Because the quality of boat-carrying satellite signal receiving antenna own is larger, and center of gravity is on the one-level joint spider, may cause worktable center of gravity when waving unbalance, the spring straining link makes the decentralization of worktable, thereby weaken or eliminate the unbalance problem of worktable center of gravity, guarantee that worktable swings stable, reduce simultaneously vibration.
In the pick-up unit of above-mentioned boat-carrying satellite signal receiving antenna, described fixed sturcture comprises some fixed orifices that are opened on worktable.The boat-carrying satellite signal receiving antenna is fixed on worktable by bolt and fixed orifice.
In the pick-up unit of above-mentioned boat-carrying satellite signal receiving antenna, described disk one and disk two all adopt stainless steel material to make.
Second purpose of the present invention can realize by following technical proposal: a kind of detection method of boat-carrying satellite signal receiving antenna, and this detection method comprises:
A, fix up an aerial wire: the boat-carrying satellite signal receiving antenna is put on worktable, the boat-carrying satellite signal receiving antenna is fixed in the fixed orifice of worktable by bolt;
B, select gear: stir the teeth one of synchronizer by gear level and be meshed with teeth on gear one, perhaps stir the teeth two of synchronizer by gear level and be meshed with teeth on gear four, perhaps do not connect with gear one and gear four;
C, unlatching motor: motor drives simultaneously the boat-carrying satellite signal receiving antenna by commutator and swings back and forth two degree of freedom;
D, adjust motor speed: by frequency converter regulating electric machine rotating speed V, rotating speed progressively is promoted to Vm since 0, and the continuous running of maintenance Vm rotating speed;
E, judge whether the boat-carrying satellite signal receiving antenna is qualified: continue to observe a period of time T, watch television image whether to occur interrupting, if do not occur, represent that carrier-borne boat-carrying satellite signal receiving antenna is qualified, otherwise, represent that carrier-borne boat-carrying satellite signal receiving antenna is underproof.
Select gear can select the different swing mode of worktable, adjusting rotary speed can change the swing speed of worktable, simulation warship, different swing mode when ship rides the sea make satellite signal receiving antenna can receive more test near real working environment.
After opening motor, carrier-borne boat-carrying satellite signal receiving antenna is in the simulation test state, detection by a period of time T, if can receive picture on televisor always, prove that so carrier-borne boat-carrying satellite signal receiving antenna all the time can be to satelloid, if do not receive picture or image quality is bad, representing that carrier-borne boat-carrying satellite signal receiving antenna can not keep the state to satelloid, is underproof.
Compared with prior art, the situation that the pick-up unit of this boat-carrying satellite signal receiving antenna has can accurately simulate warship, swing when ship rides the sea guarantees more proximity test boat-carrying satellite signal receiving antenna actual working environment, makes and detects advantage more accurately.
The detection method of this boat-carrying satellite signal receiving antenna has simple to operate, can accurately detect the advantage of the performance of boat-carrying satellite signal receiving antenna.
Description of drawings
Fig. 1 is the perspective view of pick-up unit of the present invention.
Fig. 2 is the side-looking structural representation of pick-up unit of the present invention.
Fig. 3 is the inner perspective view of the commutator in pick-up unit of the present invention.
Fig. 4 is the inner plan structure schematic diagram of the commutator in pick-up unit of the present invention.
In figure, 111, base; 121, bracing frame; 122, spring; 211, worktable; 212, fixed orifice; 221, link; 222, one-level joint spider; 231, web joint one; 232, web joint two; 233, the secondary joint spider one; 241, web joint three; 242, web joint four; 243, the secondary joint spider two; 311, motor; 411, commutator; 421, housing; 431, back up pad one; 432, bearing one; 441, back up pad two; 442, bearing two; 451, input shaft; 452, bevel gear one; 461, output shaft one; 462, gear one; 463, gear four; 464, synchronizer; 465, gear level; 471, output shaft two; 472, bevel gear three; 481, coupling shaft; 482, bevel gear two; 483, gear two; 484, gear three; 491, back up pad three; 492, bearing five; 511, disk one; 521, connecting rod one; 522, connecting portion one; 611, disk two; 621, connecting rod two; 622, connecting portion two.
Embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
as shown in Figures 1 to 4, a kind of pick-up unit of boat-carrying satellite signal receiving antenna, this pick-up unit is used for the detection of the boat-carrying satellite signal receiving antenna more than 1 meter, comprise base 111 and the worktable 211 that is arranged on base 111 tops, offer four fixed orifices 212 on worktable 211, the boat-carrying satellite signal receiving antenna is fixed on worktable 211 by bolt and fixed orifice 212, vertically be fixed with the bracing frame 121 that is U-shaped on base 111, worktable 211 bottoms are fixed with the link 221 that is U-shaped, on the perforated wall of link 221, axial restraint and circumferential the rotation are provided with one-level joint spider 222, the other two ends of one-level joint spider 222 are arranged on the perforated wall of bracing frame 121 by the mode of axial restraint and circumferentially rotation, has the gap between bracing frame 121 upper ends and worktable 211, be fixed with motor 311 on base 111, be provided with by motor 311 between motor 311 and worktable 211 and can drive the tilting mechanism that worktable 211 swings back and forth along one-level joint spider 222.Motor 311 in the present embodiment uses three-phase toothed gearing electric motor 311, and motor 311 is connected with frequency converter, can realize stepless time adjustment by regulating frequency converter.These motor 311 power are large, moment of torsion is large, regulate less demanding to counterweight.
as Fig. 1, shown in Figure 2, tilting mechanism comprises having input shaft 451, the commutator 411 of output shaft 1 and output shaft 2 471, the disk 1 that stainless steel material is made, the disk 2 611 that stainless steel material is made, connecting rod 1 and connecting rod 2 621, the output shaft 1 of commutator 411 is mutually vertical with the output shaft of commutator 411 2 471, the input shaft 451 of commutator 411 parallels with output shaft 1, the output shaft of motor 311 is connected with the input shaft 451 of commutator 411, disk 1 be fixed on the output shaft 1 of commutator 411 and disk 1 perpendicular with this output shaft 1, disk 2 611 be fixed on the output shaft 2 471 of commutator 411 and disk 2 611 perpendicular with this output shaft 2 471, the lower end of connecting rod 1 is eccentric and be hinged on the card of disk 1, the upper end of connecting rod 1 is hinged on an end of worktable 211 bottoms, the lower end of connecting rod 2 621 is eccentric and be hinged on the card of disk 2 611, the upper end of connecting rod 2 621 is hinged on a side of worktable 211 bottoms.one-level joint spider 222 can satisfy waving of worktable 211 relative 121 two degree of freedom directions of bracing frame, 211 two degree of freedom of worktable are the first degree of freedom and the second degree of freedom, the first degree of freedom is controlled by connecting rod 1, output shaft 1 rotates and drives disk one 511 rotations, thereby the eccentric motion drive worktable 211 that connecting rod 1 is done on above-below direction along with disk 1 swings along the first degree of freedom, the second degree of freedom is controlled by connecting rod 2 621, output shaft 2 471 rotates and drives disk 2 611 rotations, thereby the eccentric motion drive worktable 211 that connecting rod 2 621 is done on above-below direction along with disk 2 611 swings along the second degree of freedom.Different with the period of motion of disk 2 611 due to disk 1, the angle of inclination of worktable 211 is subject to the impact of disk 1 and disk 2 611 simultaneously, is irregular motion, the situation around certain stationary shaft back and forth movement only can not occur.So more meet ship be subject to wave the time reality the situation of waving.
as Fig. 3, shown in Figure 4, commutator 411 also comprises housing 421 and is arranged on the interior bevel gear 1 of housing 421, bevel gear 2 482, bevel gear 3 472, synchronizer 464, coupling shaft 481, gear 1, gear 2 483, gear 3 484, gear 4 463, input shaft 451, output shaft 1 and output shaft 2 471 all are arranged on housing 421 by the mode of axial restraint and circumferentially rotation, bevel gear 1 is fixed on input shaft 451, bevel gear 3 472 is fixed on output shaft 2 471, coupling shaft 481 is arranged in housing 421 by axial restraint and circumferential mode of rotating and coupling shaft 481 parallels with the input shaft 451 of commutator 411, bevel gear 2 482 is fixed on coupling shaft 481, bevel gear 2 482 and bevel gear 3 472 all are meshed with bevel gear 1, gear 2 483 and gear 3 484 all are fixed on coupling shaft 481, gear 1 and gear 4 463 are arranged on the output shaft 1 of commutator 411 by the mode of axial restraint and circumferentially rotation, gear 1 be meshed with gear 2 483 and gear 1 less than gear 2 483, gear 4 463 be meshed with gear 3 484 and gear 4 463 greater than gear 3 484, gear 1 also has teeth on the flank of tooth of gear 4 463, gear 4 463 also has teeth on the flank of tooth of gear 1, synchronizer 464 is set on the output shaft 1 of commutator 411 and is connected with this output shaft 1 by spline, synchronizer 464 is between gear 1 and gear 4 463, have respectively teeth one and the teeth two that can be meshed with the teeth of the teeth of gear 1 and gear 4 463 on synchronizer 464 both ends of the surface, synchronizer 464 also has the gear level 465 that can stir teeth one and teeth two.Thereby motor 311 band driven input shafts 451 rotate band dynamic bevel gear 1 and rotate, thereby bevel gear one 452 band dynamic bevel gears 2 482 and bevel gear 3 472 drive output shaft 2 471 and coupling shaft 481 rotates, the specific works state is as follows: when only needing worktable 211 to swing along its second degree of freedom, synchronizer 464 is between gear 1 and gear 4 463, output shaft 2 471 rotations this moment, output shaft 1 does not rotate; When needs worktable 211 swings simultaneously along its first degree of freedom and the second degree of freedom, by stirring gear level 465 synchronizers 464 and gear 1 or gear 4 463 engagements, this moment, output shaft 2 471 and output shaft 1 rotated, when synchronizer 464 during with gear one 462 engagement worktable 211 along the hunting frequency of the second degree of freedom hunting frequency less than the first degree of freedom, when synchronizer 464 during with gear 4 463 engagement worktable 211 along the hunting frequency of the second degree of freedom hunting frequency greater than the first degree of freedom; Can realize simulating multiple swing mode by the position of synchronizer 464, simulate working environment more accurately for satellite signal receiving antenna, guarantee the quality of product.
as Fig. 1, shown in Figure 2, the upper end of connecting rod 1 has the connecting portion 1 that is U-shaped, the upper end of connecting link two has the connecting portion 2 622 that is U-shaped, one end of worktable 211 bottoms is fixed with web joint 1 and the web joint 2 232 that is parallel to each other, between web joint 1 and web joint 2 232, axial restraint and circumferential the rotation are provided with secondary joint spider 1, the other two ends of secondary joint spider 1 are arranged on the perforated wall of connecting portion 1 by the mode of axial restraint and circumferentially rotation, one side of worktable 211 bottoms is fixed with web joint 3 241 and the web joint 4 242 that is parallel to each other, between web joint 3 241 and web joint 4 242, axial restraint and circumferential the rotation are provided with secondary joint spider 2 243, the other two ends of secondary joint spider 2 243 are arranged on the perforated wall of connecting portion 2 622 by the mode of axial restraint and circumferentially rotation.Adopting secondary joint spider 1 to connect with connecting rod 1 makes the relative connecting rod 1 of worktable 211 have one degree of freedom, adopt secondary joint spider 2 243 to connect with connecting rod 2 621 and make the relative connecting rod 2 621 of worktable 211 have one degree of freedom, guaranteed that worktable 211 swings smooth.
Definition one-level joint spider 222 is one-level joint spider 222 transverse axis with the axle that bracing frame 121 is fixed, the axle fixing with link 221 is one-level joint spider 222 longitudinal axis, and the intersection point of one-level joint spider 222 transverse axis and one-level joint spider 222 longitudinal axis is the axle center of one-level joint spider 222.Axle fixing between secondary joint spider 1 and web joint 1 and web joint 2 232 is secondary joint spider one 233 transverse axis, the axle fixing with connecting portion 1 is secondary joint spider one 233 longitudinal axis, the intersection point of secondary joint spider one 233 transverse axis and secondary joint spider one 233 longitudinal axis is the axle center of secondary joint spider 1, worktable 211 is when horizontality, secondary joint spider one 233 transverse axis and one-level joint spider 222 transverse axis, secondary joint spider one 233 longitudinal axis and one-level joint spider 222 longitudinal axis conllinear; Axle fixing between secondary joint spider 2 243 and web joint 3 241 and web joint 4 242 is secondary joint spider one 233 longitudinal axis, the axle fixing with connecting portion 2 622 is secondary joint spider one 233 transverse axis, the intersection point of secondary joint spider 2 243 transverse axis and secondary joint spider 2 243 longitudinal axis is the axle center of secondary joint spider two, worktable 211 is when horizontality, secondary joint spider 2 243 longitudinal axis are parallel with one-level joint spider 222 longitudinal axis, secondary joint spider 2 243 transverse axis and one-level joint spider 222 transverse axis conllinear.The plane that one-level joint spider 222 axle center, secondary joint spider one 233 axle center, secondary joint spider 2 243 axle center are determined is parallel with worktable 211.
Because the locus of one-level joint spider 222 transverse axis is fixed, the range of movement of secondary joint spider 1 one vertical with one-level joint spider 222 transverse axis and cross in the planes in one-level joint spider 222 axle center, this plane is the plane of fixing; The range of movement of secondary joint spider 2 243 one vertical with one-level joint spider 222 longitudinal axis and cross in the planes in one-level joint spider 222 axle center, this plane is subjected to the impact of one-level joint spider 222 longitudinal axis angles, is the plane of a local motion.Also be provided with gimbal suspension between connecting rod 2 621 and disk 2 611, connecting rod 2 621 is connected with disk 2 611 by connecting rod 2 621 with disk 2 611, and connecting rod 2 621 and disk 2 611 need the spacing that keeps certain, can cause the situation that can't run well with disk 2 611 rubbing contact otherwise connecting link two will occur.
As shown in Figure 3, Figure 4, interior back up pad 1 and the back up pad 2 441 that is parallel to each other that vertically be fixed with of housing 421, back up pad one 431 upper ends are fixed with bearing 1, back up pad 2 441 upper ends are fixed with bearing 2 442, the input shaft 451 of commutator 411 wears and is fixed on the inner ring of bearing 1, and the output shaft 1 of commutator 411 wears and is fixed on the inner ring of bearing 2 442.Be fixed with respectively bearing three and bearing four on the output shaft 1 of commutator 411, gear 1 is fixed on the outer ring of bearing three, and gear 4 463 is fixed on the outer ring of bearing four.Housing 421 also vertically is fixed with back up pad 3 491, and back up pad 3 491 upper ends are fixed with bearing 5 492, and the output shaft 2 471 of commutator 411 wears and is fixed on the inner ring of bearing 5 492.
As shown in Figure 1 and Figure 2, link 221 is provided with spring 122 with base 111, and spring 122 1 ends are fixed on link 221, and spring 122 other ends are fixed on base 111.After installing, spring 122 is in tight state, because the quality of boat-carrying satellite signal receiving antenna own is larger, and center of gravity is on one-level joint spider 222, may cause worktable 211 decentralization when waving, thereby weaken or eliminate the unbalance problem of worktable 211 centers of gravity, guarantee that worktable 211 swings stable, reduce simultaneously vibration.
The following detection method that adopts the pick-up unit of above-mentioned boat-carrying satellite signal receiving antenna realizes detecting, and concrete detection method is as follows:
A, fix up an aerial wire: the boat-carrying satellite signal receiving antenna is put on worktable 211, is fixed on by bolt boat-carrying satellite signal receiving antenna in the fixed orifice 212 of worktable 211;
B, select gear: stir the teeth one of synchronizer 464 by gear level 465 and be meshed with teeth on gear 1, perhaps stir the teeth two of synchronizer 464 by gear level 465 and be meshed with teeth on gear 4 463, perhaps do not connect with gear 1 and gear 4 463.Synchronizer 464 can realize from the engagement of gear 1 and gear 4 463 the swing mode that worktable 211 is different, simulation warship, different swing mode when ship rides the sea make satellite signal receiving antenna can receive more test near real working environment.
C, unlatching motor 311: motor 311 drives simultaneously the boat-carrying satellite signal receiving antenna by commutator 411 and swings back and forth two degree of freedom.
D, adjust motor 311 rotating speeds: by frequency converter regulating electric machine 311 rotating speed V, rotating speed progressively is promoted to Vm since 0, and the continuous running of maintenance Vm rotating speed;
E, judge whether the boat-carrying satellite signal receiving antenna is qualified: continue to observe a period of time T, watch television image whether to occur interrupting, if do not occur, represent that carrier-borne boat-carrying satellite signal receiving antenna is qualified, otherwise, represent that carrier-borne boat-carrying satellite signal receiving antenna is underproof.Observed 15 minutes in the present embodiment, television image is smooth all the time in 15 minutes, does not occur interrupting, and can judge that carrier-borne boat-carrying satellite signal receiving antenna is qualified, judges that if there is interrupting carrier-borne boat-carrying satellite signal receiving antenna is underproof.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has more used base 111; Bracing frame 121; Spring 122; Worktable 211; Fixed orifice 212; Link 221; One-level joint spider 222; Web joint 1; Web joint 2 232; Secondary joint spider 1; Web joint 3 241; Web joint 4 242; Secondary joint spider 2 243; Motor 311; Commutator 411; Housing 421; Back up pad 1; Bearing 1; Back up pad 2 441; Bearing 2 442; Input shaft 451; Bevel gear 1; Output shaft 1; Gear 1; Gear 4 463; Synchronizer 464; Gear level 465; Output shaft 2 471; Bevel gear 3 472; Coupling shaft 481; Bevel gear 2 482; Gear 2 483; Gear 3 484; Back up pad 3 491; Bearing 5 492; Disk 1; Connecting rod 1; Connecting portion 1; Disk 2 611; Connecting rod 2 621; Connecting portion 2 622 terms such as grade, but do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (10)
1. the pick-up unit of a boat-carrying satellite signal receiving antenna, comprise base (111) and be arranged on the worktable (211) of base (111) top, it is characterized in that, described worktable (211) is provided with and can be used for the fixedly fixed sturcture of boat-carrying satellite signal receiving antenna, vertically be fixed with the bracing frame (121) that is U-shaped on described base (111), described worktable (211) bottom is fixed with the link (221) that is U-shaped, on the perforated wall of described link (221), axial restraint and circumferential the rotation are provided with one-level joint spider (222), the other two ends of described one-level joint spider (222) are arranged on the perforated wall of bracing frame (121) by the mode of axial restraint and circumferentially rotation, has the gap between described bracing frame (121) upper end and worktable (211), be fixed with motor (311) on described base (111), be provided with by described motor (311) between described motor (311) and worktable (211) and can drive the tilting mechanism that worktable (211) swings back and forth along one-level joint spider (222).
2. the pick-up unit of boat-carrying satellite signal receiving antenna according to claim 1, it is characterized in that, described tilting mechanism comprises having input shaft (451), the commutator (411) of output shaft one (461) and output shaft two (471), disk one (511), disk two (611), connecting rod one (521) and connecting rod two (621), the output shaft one (461) of described commutator (411) is mutually vertical with the output shaft of commutator (411) two (471), the input shaft (451) of described commutator (411) parallels with output shaft one (461), the output shaft of described motor (311) is connected with the input shaft (451) of commutator (411), described disk one (511) is fixed on that the output shaft one (461) of commutator (411) is upper and disk one (511) is perpendicular with this output shaft one (461), described disk two (611) is fixed on that the output shaft two (471) of commutator (411) is upper and disk two (611) is perpendicular with this output shaft two (471), the lower end of described connecting rod one (521) is eccentric and be hinged on the card of disk one (511), the upper end of described connecting rod one (521) is hinged on an end of worktable (211) bottom, the lower end of described connecting rod two (621) is eccentric and be hinged on the card of disk two (611), the upper end of described connecting rod two (621) is hinged on a side of worktable (211) bottom.
3. the pick-up unit of boat-carrying satellite signal receiving antenna according to claim 2, it is characterized in that, described commutator (411) also comprises housing (421) and is arranged on the interior bevel gear one (452) of housing (421), bevel gear two (482), bevel gear three (472), synchronizer (464), coupling shaft (481), gear one (462), gear two (483), gear three (484), gear four (463), above-mentioned input shaft (451), output shaft one (461) and output shaft two (471) all are arranged on housing (421) by the mode of axial restraint and circumferentially rotation, described bevel gear one (452) is fixed on input shaft (451), described bevel gear three (472) is fixed on output shaft two (471), described coupling shaft (481) is arranged in housing (421) by axial restraint and circumferential mode of rotating and coupling shaft (481) parallels with the input shaft (451) of commutator (411), described bevel gear two (482) is fixed on coupling shaft (481), described bevel gear two (482) and bevel gear three (472) all are meshed with described bevel gear one (452), described gear two (483) and gear three (484) all are fixed on coupling shaft (481), described gear one (462) and gear four (463) are arranged on the output shaft one (461) of commutator (411) by the mode of axial restraint and circumferentially rotation, described gear one (462) be meshed with gear two (483) and gear one (462) less than gear two (483), described gear four (463) be meshed with gear three (484) and gear four (463) greater than gear three (484), described gear one (462) also has teeth on the flank of tooth of gear four (463), described gear four (463) also has teeth on the flank of tooth of gear one (462), described synchronizer (464) is set in the output shaft one (461) of commutator (411) and goes up and be connected with this output shaft one (461) by spline, described synchronizer (464) is between gear one (462) and gear four (463), have respectively teeth one and the teeth two that can be meshed with the teeth of the teeth of gear one (462) and gear four (463) on described synchronizer (464) both ends of the surface, described synchronizer (464) also has the gear level (465) that can stir teeth one and teeth two.
4. the pick-up unit of boat-carrying satellite signal receiving antenna according to claim 3, it is characterized in that, vertically be fixed with the back up pad one (431) and the back up pad two (441) that are parallel to each other in described housing (421), described back up pad one (431) upper end is fixed with bearing one (432), described back up pad two (441) upper ends are fixed with bearing two (442), the input shaft (451) of above-mentioned commutator (411) wears and is fixed on the inner ring of bearing one (432), the output shaft one (461) of above-mentioned commutator (411) wears and is fixed on the inner ring of bearing two (442).
5. the pick-up unit of according to claim 3 or 4 described boat-carrying satellite signal receiving antennas, it is characterized in that, be fixed with respectively bearing three and bearing four on the output shaft one (461) of described commutator (411), above-mentioned gear one (462) is fixed on the outer ring of bearing three, and gear four (463) is fixed on the outer ring of bearing four.
6. the pick-up unit of according to claim 2 or 3 or 4 described boat-carrying satellite signal receiving antennas, it is characterized in that, the upper end of described connecting rod one (521) has the connecting portion one (522) that is U-shaped, the upper end of described connecting link two has the connecting portion two (622) that is U-shaped, one end of described worktable (211) bottom is fixed with web joint one (231) and the web joint two (232) that is parallel to each other, between described web joint one (231) and web joint two (232), axial restraint and circumferential the rotation are provided with secondary joint spider one (233), the other two ends of described secondary joint spider one (233) are arranged on the perforated wall of connecting portion one (522) by the mode of axial restraint and circumferentially rotation, one side of described worktable (211) bottom is fixed with web joint three (241) and the web joint four (242) that is parallel to each other, between described web joint three (241) and web joint four (242), axial restraint and circumferential the rotation are provided with secondary joint spider two (243), the other two ends of described secondary joint spider two (243) are arranged on the perforated wall of connecting portion two (622) by the mode of axial restraint and circumferentially rotation.
7. the pick-up unit of according to claim 1 and 2 or 3 or 4 described boat-carrying satellite signal receiving antennas, it is characterized in that, described link (221) is provided with spring (122) with base (111), described spring (122) one ends are fixed on link (221), and described spring (122) other end is fixed on base (111).
8. the pick-up unit of boat-carrying satellite signal receiving antenna according to claim 1, is characterized in that, described fixed sturcture comprises some fixed orifices (212) that are opened on worktable (211).
9. the pick-up unit of according to claim 2 or 3 or 4 described boat-carrying satellite signal receiving antennas, is characterized in that, described disk one (511) and disk two (611) all adopt stainless steel material to make.
10. the detection method of a boat-carrying satellite signal receiving antenna, this detection method comprises:
A, fix up an aerial wire: the boat-carrying satellite signal receiving antenna is put on worktable (211), the boat-carrying satellite signal receiving antenna is fixed in the fixed orifice (212) of worktable (211) by bolt;
B, select gear: stir the teeth one of synchronizer (464) by gear level (465) and be meshed with teeth on gear one (462), perhaps stir the teeth two of synchronizer (464) by gear level (465) and be meshed with teeth on gear four (463), perhaps do not connect with gear one (462) and gear four (463);
C, unlatching motor (311): motor (311) drives simultaneously the boat-carrying satellite signal receiving antenna by commutator (411) and swings back and forth two degree of freedom;
D, adjust motor (311) rotating speed: by frequency converter regulating electric machine (311) rotating speed V, rotating speed progressively is promoted to Vm since 0, and the continuous running of maintenance Vm rotating speed;
E, judge whether the boat-carrying satellite signal receiving antenna is qualified: continue to observe a period of time T, watch television image whether to occur interrupting, if do not occur, represent that carrier-borne boat-carrying satellite signal receiving antenna is qualified, otherwise, represent that carrier-borne boat-carrying satellite signal receiving antenna is underproof.
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| CN201310059576.0A CN103116104B (en) | 2013-02-26 | 2013-02-26 | Detection device and detection method for ship-borne satellite signal receiving antenna |
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| CN103604711A (en) * | 2013-11-16 | 2014-02-26 | 浙江中星光电子科技有限公司 | Device for testing rotary joint of satellite antenna for ship |
| CN103972653A (en) * | 2014-05-08 | 2014-08-06 | 国家电网公司 | Transmission line forest fire satellite receiving system |
| CN104155538A (en) * | 2014-07-04 | 2014-11-19 | 航天东方红卫星有限公司 | Comprehensive experiment testing system for small satellite antenna |
| CN104269644A (en) * | 2014-09-05 | 2015-01-07 | 北京卫星制造厂 | Three-degree-of-freedom high-precision satellite component assembly and adjustment mechanism |
| CN105281015A (en) * | 2015-05-08 | 2016-01-27 | 北京中星讯达科技有限公司 | Two-dimension follow-up communication-in-moving satellite communication antenna structure |
| CN111613866A (en) * | 2020-07-01 | 2020-09-01 | 泰州市柯普尼通讯设备有限公司 | Base-adjustable ship satellite VAST video conveying device |
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| CN111613866A (en) * | 2020-07-01 | 2020-09-01 | 泰州市柯普尼通讯设备有限公司 | Base-adjustable ship satellite VAST video conveying device |
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