The content of the invention
In view of this, it is contemplated that proposing a kind of angle regulator of heliostat, to solve prior art in, slow downMachine cost is high, the sealing of equipment complexity, conventional push rod and bearing block is poor, need the problem of frequently lubrication.
To reach above-mentioned purpose, the technical scheme is that what is be achieved in that:
A kind of angle regulator of heliostat, including supporting table, its side is connected with connection journal stirrup, connection journal stirrup and electricityDynamic push rod is hinged;The upper end of supporting table is connected with two bearing blocks for being provided with Nonlubricated bearing;Rotary sleeve, its simultaneously withTwo Nonlubricated bearings are engaged;The output of connector, connector and electric pushrod is connected with the lateral wall of rotary sleeveEnd is hinged.
Further, the bearing block includes the step affixed with the supporting table, and is fixed in step upper endTop chock;Step is connected with lower Nonlubricated bearing, and its longitudinal section is opening up semi-circular shape;Top chockNonlubricated bearing is connected with, its longitudinal section is downward opening semi-circular shape;The madial wall of lower Nonlubricated bearing and upperThe madial wall of Nonlubricated bearing is respectively equipped with some oil-stored holes, and graphite short column is embedded with oil-stored hole.
Further, two groups of sealing strips, two groups of sealing strips point are installed between each described bearing block and the rotary sleeveThe left and right sides of the Nonlubricated bearing that Wei Yu do not installed on the bearing block, and arrange along rotary sleeve border;Per group closeStrip of paper used for sealing includes the first sealing strip and the second sealing strip being installed on the outside of the first sealing strip near Nonlubricated bearing.
Further, guide-soft-band is also equipped with the outside of second sealing strip, guide-soft-band surrounds the rotary sleeveBorder is arranged.
Further, the electric pushrod includes outer bar, and the rotation being hinged with the connection journal stirrup is connected with its lateral wallBlock;The internal sleeve of outer bar is connected with output end link equipped with the interior bar along its axially reciprocating, interior bar outer end seal, exportsEnd link is connected with the adapter sleeve being hinged with connector;Outer Nonlubricated bearing is installed, outside outer bar between outer bar and interior barEnd is provided with the dynamic seal ring offseted with interior bar lateral wall;Leading screw, its one end is connected with motor, and the other end is placed in interior barIt is interior, and offseted with the madial wall of interior bar by the second bearing shell;Screw, it is fixed in the inner end of interior bar, and is engaged with leading screw;Seal case, the housing of motor is affixed with the lateral wall of seal case by motor cabinet;Transmission is installed in seal case to coordinateWorm and worm wheel;Worm screw is rotated by the two side that two clutch shaft bearings and seal case mutually deviate from and is connected, and the one of worm screwEnd is bonded with the motor shaft of motor through seal case;The both sides that worm gear is mutually deviated from by two second bearings with seal caseWall rotates connection, and worm gear is bonded with leading screw.
Further, boring cover is fitted with the side wall of the seal case, position and the worm screw of boring cover deviate from the end of motorCorresponding, boring cover is inserted with seal case and be provided with O-ring seal on the side wall for coordinating;The corresponding seal case of the worm gearTwo side-wall outer sides be respectively and fixedly connected with the first shaft-cup and the second shaft-cup, one of them described second bearing is installed on the second shaft-cupMadial wall on;The leading screw is bonded with worm gear through the second shaft-cup;One end of the outer bar and the lateral wall of the second shaft-cupIt is affixed;The position that the position and the second shaft-cup that second shaft-cup is engaged with seal case is engaged with outer bar is separately installed with O-shapedSealing ring;Leading screw is set with axle sleeve through the part of the second shaft-cup, and oil sealing is provided between the second shaft-cup and axle sleeve, and oil sealing is closeSecond bearing;Interior Nonlubricated bearing is also equipped between second shaft-cup and axle sleeve.
Further, it is set with the first bearing shell on the screw, the first bearing shell material is polytetrafluoroethylene (PTFE), the material of the second bearing shellMatter is polyurethane.
Further, outside of second axle bush sleeve loaded on support set, the linkage section that support set passes through the leading screw endIt is connected with leading screw interference.
Further, the end thread of the outer bar is connected with sealing shroud, and the part that sealing shroud coordinates with outer bar is provided with OType sealing ring;The dynamic seal ring has two, and the axis along outer bar is installed on side by side the madial wall of sealing shroud;The outer nothingOil-lubricated bearing is installed on the madial wall of sealing shroud, and positioned at the inner side of dynamic seal ring.
Further, the output end link thread connection is in the end of the interior bar, and exports end link with interior bar cooperationPart O-ring seal is installed.
Relative to prior art, the angle regulator of heliostat of the present invention has the advantage that:
The angle regulator of heliostat of the present invention, compact conformation, design service life was up to 30 years.By rightSealing ring or sealing strip are respectively equipped between each connection member, while dust-proof effect is ensured, the present invention can be also made -28DEG C~50 DEG C of adverse circumstances under normal work.By interior Nonlubricated bearing, outer Nonlubricated bearing, upper Nonlubricated bearingWith lower Nonlubricated bearing, can significantly reduce the frequency of maintenance to lubricating system of the present invention, save maintenance cost.By snailWheel and the kind of drive that is engaged of worm screw, and increase guide-soft-band on bearing block so that stable drive of the present invention, output canIt is little and with auto-lock function by, noise.By top chock and the mounting structure of step, can be quickly to rotary sleeveCarry out dismounting maintenance.
Specific embodiment
It should be noted that in the case where not conflicting, the embodiment and the feature in embodiment in the present invention can phaseMutually combination.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " on ", D score,The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " isBased on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicates or darkShowing the device or element of indication must have specific orientation, with specific azimuth configuration and operation therefore it is not intended that rightThe restriction of the present invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying phaseTo importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. canTo express or implicitly include one or more this feature.In describing the invention, unless otherwise stated, " multiple "It is meant that two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phaseCompany ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected;CanBeing to be mechanically connected, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke YishiThe connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete conditionConcrete meaning in the present invention.
Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.
As Fig. 1-7, the present invention propose a kind of angle regulator of heliostat, including supporting table 29, its side is connected withConnection journal stirrup 291, connection journal stirrup 291 is hinged with electric pushrod;The upper end of supporting table 29 is connected with two and is provided with oil-free lubricationThe bearing block of bearing;Rotary sleeve 30, it is engaged with two Nonlubricated bearings simultaneously;It is solid on the lateral wall of rotary sleeve 30Connector 24 is connected to, connector 24 is hinged with the output end of electric pushrod.Connector 24 is located at the middle part of rotary sleeve 30.
Above-mentioned bearing block includes the step 28 affixed with above-mentioned supporting table 29, and is fixed in the upper end of step 28Top chock 25;Step 28 is connected with lower Nonlubricated bearing 281, and its longitudinal section is opening up semi-circular shape;OnBearing block 25 is connected with Nonlubricated bearing 251, and its longitudinal section is downward opening semi-circular shape;Lower Nonlubricated bearingThe madial wall of 281 madial wall and upper Nonlubricated bearing 251 is respectively equipped with some oil-stored holes, graphite is embedded with oil-stored hole shortPost.Lower Nonlubricated bearing 281 and upper Nonlubricated bearing 251 can select boundary lubrication Pb-free bearing, the material of both lateral wallsMatter is copper, and the material of both madial walls is polyformaldehyde and fibre blend.Lower Nonlubricated bearing 281 and upper Nonlubricated bearing251 can constitute a complete tubular bearing with the step 28, top chock 25 that are fixed together.
Two groups of sealing strips are installed, two groups of sealing strips are located at respectively between each above-mentioned bearing block and above-mentioned rotary sleeve 30The left and right sides of the above-mentioned Nonlubricated bearing installed on the bearing block, and arrange along the border of rotary sleeve 30;Every group of sealing stripIncluding the first sealing strip 31 near Nonlubricated bearing and the second sealing strip 32 being installed on the outside of the first sealing strip 31.FirstSealing strip 31 is D type sealing strips, and the second sealing strip 32 is O-shaped sealing strip (as shown in Figure 3).Two seals bar can make the present inventionUnder severe use condition, dust-proof and temperature difference requirement is met.
The outside of above-mentioned second sealing strip 32 is also equipped with guide-soft-band 33, and guide-soft-band 33 surrounds above-mentioned rotary sleeve 30Border is arranged.Guide-soft-band 33 can prevent rotary sleeve 30 from static to there is " creeping " phenomenon during rotation, make rotationThe slow-roll stabilization of rotating shaft set 30, it is ensured that the degree of regulation of the present invention.
Above-mentioned electric pushrod includes outer bar 15, and the moving block being hinged with above-mentioned connection journal stirrup 291 is connected with its lateral wall22;Equipped with the interior bar 16 along its axially reciprocating, the outer end seal of interior bar 16 is connected with output end company to the internal sleeve of outer bar 15Bar 19, output end link 19 is connected with the adapter sleeve 23 being hinged with connector 24;Outer nothing is installed between outer bar 15 and interior bar 16Oil-lubricated bearing 121, the outer end of outer bar 15 is provided with the dynamic seal ring 17 offseted with the lateral wall of interior bar 16;Leading screw 9, its one endIt is connected with motor 1, the other end is placed in interior bar 16, and is offseted by the second bearing shell 20 and the madial wall of interior bar 16;Screw13, it is fixed in the inner end of interior bar 16, and is engaged with leading screw 9;Seal case 6, the housing of motor 1 by motor cabinet 2 withThe lateral wall of seal case 6 is affixed;Worm screw 3 and worm gear 5 that transmission coordinates are installed in seal case 6;Worm screw 3 is by two theOne bearing 31 is rotated with the two side that seal case 6 mutually deviates from and is connected, and one end of worm screw 3 is through seal case 6 and motor 1Motor shaft is bonded;Worm gear 5 is rotated by the two side that two second bearings 51 and seal case 6 mutually deviate from and is connected, and worm gear 5It is bonded with leading screw 9.
Above-mentioned " inner end " is that, near the side of motor 1, above-mentioned " outer end " is the output end to external world of interior bar 16.
Clutch shaft bearing 31 is taper roll bearing, and second bearing 51 is thrust ball bearing.
The kind of drive being engaged using worm gear 5 and worm screw 3 so that present configuration is compact, stable drive, noise are little simultaneouslyWith auto-lock function.Meanwhile, the kind of drive also can effectively strengthen the thrust of interior bar 16.
Boring cover 4 is fitted with the side wall of above-mentioned seal case 6, position and the worm screw 3 of boring cover 4 deviate from the end phase of motor 1Corresponding, boring cover 4 is inserted with seal case 6 and be provided with O-ring seal on the side wall for coordinating;The corresponding seal box of above-mentioned worm gear 5Two side-wall outer sides of body 6 have been respectively and fixedly connected with the first shaft-cup 61 and the second shaft-cup 62, and one of them above-mentioned second bearing 51 is installedOn the madial wall of the second shaft-cup 62;Above-mentioned leading screw 9 is bonded with worm gear 5 through the second shaft-cup 62;One end of above-mentioned outer bar 15It is affixed with the lateral wall of the second shaft-cup 62;Position and the second shaft-cup 62 and outer bar that second shaft-cup 62 is engaged with seal case 615 positions being engaged are separately installed with O-ring seal;Second shaft-cup 62 adopts the fixed form of thread connection with outer bar 15, theThe fixed form that two shaft-cups 62 are connected with seal case 6 using flange.
The end that leading screw 9 coordinates with worm gear 5 is provided with nut 92, and nut 92 is used for the axial direction between leading screw 9 and worm gear 5Position is defined;The outside of nut 92 is also equipped with locknut 93, for being fixed to nut 92, prevents it from loosening.
Boring cover 4 is used to carry out clutch shaft bearing 31 and worm screw 3 dismounting maintenance, and the lateral wall of boring cover 4 is provided with plug screw threadHole 41, threaded handle or screw is installed on boring cover 4 by plug screwed hole 41, in order to the dismounting to boring cover 4.It is vexedLid 4 inserts the depth of the side wall of seal case 6, is limited by the circlip for hole 7 installed on the wall of patchhole side.Hole elasticityBack-up ring 7 is also used for limiting the position of the clutch shaft bearing 31 near boring cover 4, and between circlip for hole 7 and the clutch shaft bearing 31Adjusting pad 8 is installed.
Leading screw 9 is set with axle sleeve 11 through the part of the second shaft-cup 62, and between the second shaft-cup 62 and axle sleeve 11 oil is provided withEnvelope 10, oil sealing 10 is near second bearing 51;Interior Nonlubricated bearing 12 is also equipped between second shaft-cup 62 and axle sleeve 11.Interior nothingOil-lubricated bearing 12 is located at the outside of oil sealing 10.
Interior Nonlubricated bearing 12 is fixed with the second shaft-cup 62 by the way of interference is connected.Oil sealing 10 is band skeleton knotStructure, the lubricant grease for ensureing between worm screw 3, worm gear 5 and second bearing 51 will not leak along axle sleeve 11.
The material that the first bearing shell 14, the first bearing shell 14 and the second bearing shell 20 are set with above-mentioned screw 13 is polyurethane.TheOne bearing shell 14 and the second bearing shell 20 are respectively equipped with opening, make both cross sections be the annular of disconnection, are easily installed.
Using polytetrafluoroethylene (PTFE) and polyurethane material, ensure that the first bearing shell 14 and the second bearing shell 20 are being realized supporting work(While energy, it is also possible to effectively reduce friction, extend service life of the invention.First bearing shell 14 and the second bearing shell 20 are distinguishedTwo are provided with, the structure ensure that the stability of support.
Meanwhile, can also lower thick to the surface of outer bar 15 and the madial wall of interior bar 16 using polytetrafluoroethylene (PTFE) and polyurethane materialRugosity is required.
Above-mentioned screw 13 and the thread connection of interior bar 16, the lateral wall of screw 13 is provided with some locking holes 131, locking holeThe 131 axis Spiral distributions (as shown in Figure 3) for surrounding screw 13.Locking hole 131 is used to complete the connection of screw 13 and interior bar 16Fixed, the structure of Spiral distribution can reduce impact of the locking hole 131 to the intensity of screw 13.
Above-mentioned second bearing shell 20 is set in the outside of support set 21, the linkage section that support set 21 passes through the end of above-mentioned leading screw 991 are connected with the interference of leading screw 9.
The end thread of above-mentioned outer bar 15 is connected with sealing shroud 18, and the part that sealing shroud 18 coordinates with outer bar 15 is provided withO-ring seal;Above-mentioned dynamic seal ring 17 has two, and the axis along outer bar 15 is installed on side by side the madial wall of sealing shroud 18;Above-mentioned outer Nonlubricated bearing 121 is installed on the madial wall of sealing shroud 18, and positioned at the inner side of dynamic seal ring 17.Dynamic seal ring 17For piston rod dust-proof seal ring.
Outer Nonlubricated bearing 121 is fixed with sealing shroud 18 by the way of interference is connected.
The above-mentioned thread connection of output end link 19 is in the end of above-mentioned interior bar 16, and output end link 19 coordinates with interior bar 16Part O-ring seal is installed.
When needing to adjust the angle of inclination of heliostat, motor 1 drives worm screw 3 to rotate, and worm screw 3 drives silk by worm gear 5Thick stick 9 is rotated.Screw 13 drives interior bar 16 to move along the axial stretching of outer bar 15 in the presence of leading screw 9.The end of interior bar 16 it is defeatedGo out end link 19 by connector 24, axle sleeve 30 is rotated and rotates.Rotary sleeve 30 is fixed in by heliostat bracing frame 27On settled date cell mount 26, you can drive heliostat to rotate around the axis of rotary sleeve 30, reach regulation heliostat inclination angleThe purpose of degree.
When needing to safeguard rotary sleeve 30, only two top chocks 25 need to be pulled down, you can by rotary sleeve 3The overall taking-up of related heliostat bracing frame 27, settled date cell mount 26 is safeguarded.
The mounting means of the first sealing strip 31 and the second sealing strip 32 is that the strip gasket part that will be of convenient length is put into rotationIt is in the groove of the lateral wall of rotating shaft set 30 then end to end.Which is caused when safeguarding, without being fixed in the two ends of rotary sleeve 30Heliostat bracing frame 27 pull down, it is also possible to the first sealing strip 31 and the second sealing strip 32 are changed.
The angle regulator of heliostat of the present invention, compact conformation, design service life was up to 30 years.By rightSealing ring or sealing strip are respectively equipped between each connection member, while dust-proof effect is ensured, the present invention can be also made -28DEG C~50 DEG C of adverse circumstances under normal work.By interior Nonlubricated bearing 12, outer Nonlubricated bearing 121, on without glossyPlain besring 251 and lower Nonlubricated bearing 281, can significantly reduce the frequency of maintenance to lubricating system of the present invention, save dimensionShield cost.The kind of drive being engaged by worm gear 5 and worm screw 3, and increase the structure of guide-soft-band 33 on bearing block so thatStable drive of the present invention, output are reliable, noise is little and with auto-lock function.By the installation of top chock 25 and step 28Structure, quickly can carry out dismounting maintenance to rotary sleeve 30.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present inventionWithin god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.