Summary of the invention
In view of this, the present invention is directed to propose a kind of angle adjustment device of heliostat in the prior art with solution is slowed downMachine cost is high, the device is complicated, and the leakproofness of conventional push rod and bearing block is poor, needs the problem of frequently lubrication.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of angle adjustment device of heliostat, including supporting table, one side are connected with connecting lugs, connecting lugs and electricityDynamic push rod is hinged；The upper end of supporting table is affixed, and there are two the bearing blocks for being equipped with Nonlubricated bearing；Rotary sleeve, while withTwo Nonlubricated bearings match；Connector, the output of connector and electric pushrod are connected on 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 longitudinal section is opening up semi-circular shape；Top chockIt is connected with Nonlubricated bearing, longitudinal section is downward opening semi-circular shape；The inner sidewall of lower Nonlubricated bearing and upperThe inner sidewall of Nonlubricated bearing is respectively equipped with several graphite short column mounting holes, and it is short to be embedded with graphite in graphite short column mounting holeColumn.
Further, two groups of sealing strips, two groups of sealing strips point are installed between each bearing block and the rotary sleeveThe left and right sides for the Nonlubricated bearing that Wei Yu not install on the bearing block, and be arranged along rotary sleeve border；Every group closeStrip of paper used for sealing includes the first sealing strip and the second sealing strip for being installed on the outside of the first sealing strip close to Nonlubricated bearing.
Further, guide-soft-band is also equipped on the outside of second sealing strip, guide-soft-band surrounds the rotary sleeveBorder setting.
Further, the electric pushrod includes outer bar, and the rotation hinged with the connecting lugs is connected on lateral wallBlock；The internal sleeve of outer bar is equipped with the interior bar along its axially reciprocating, and interior bar outer end seal is connected with output end link, exportsEnd link is connected with the connector sleeve hinged with connector；Outer Nonlubricated bearing is installed between outer bar and interior bar, outer bar it is outerEnd is equipped with the dynamic seal ring to offset with interior bar lateral wall；Lead screw, one end are connect with motor drive, and the other end is placed in interior barIt is interior, and offseted by the inner sidewall of the second bearing shell and interior bar；Screw is fixed in the inner end of interior bar, and matches with lead screw；The shell of seal case, motor is affixed by the lateral wall of motor cabinet and seal case；Transmission cooperation is installed in seal caseWorm and worm wheel；Worm screw is rotatablely connected by the two sidewalls that two first bearings and seal case are away from each other, and the one of worm screwEnd is keyed across the motor shaft of seal case and motor；The two sides that worm gear is away from each other by two second bearings and seal caseWall rotation connection, and worm gear and lead screw are keyed.
Further, boring cover is fitted on the side wall of the seal case, the position of boring cover and worm screw deviate from the end of motorIt is corresponding, O-ring seal is installed on the side wall of boring cover and seal case inserting cooperation；The corresponding seal case of the worm gearTwo side walls on the outside of 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-cupInner sidewall on；The lead screw passes through the second shaft-cup and worm gear is keyed；The lateral wall of one end of the outer bar and the second shaft-cupIt is affixed；The position that the position and the second shaft-cup that second shaft-cup is matched with seal case are matched with outer bar is separately installed with O-shapedSealing ring；The part that lead screw passes through the second shaft-cup is set with axle sleeve, oil sealing is equipped between the second shaft-cup and axle sleeve, oil sealing is closeSecond bearing；Interior Nonlubricated bearing is also equipped between second shaft-cup and axle sleeve.
Further, the first bearing shell is set on the screw, the first bearing shell material is polytetrafluoroethylene (PTFE), the material of the second bearing shellMatter is polyurethane.
Further, second axle bush sleeve is loaded on the outside of support sleeve, and support sleeve passes through the linkage section of the lead screw endIt is connect with lead screw interference.
Further, the end thread of the outer bar is connected with sealing shroud, and the part of sealing shroud and outer bar cooperation is equipped with OType sealing ring；The dynamic seal ring altogether there are two, and be installed on along the axis of outer bar the inner sidewall of sealing shroud side by side；The outer nothingOil-lubricated bearing is installed on the inner sidewall of sealing shroud, and is located at the inside of dynamic seal ring.
Further, the output end link thread connection is in the end of the interior bar, and exports end link and interior bar cooperationPart O-ring seal is installed.
Compared with the existing technology, the angle adjustment device of heliostat of the present invention has the advantage that
The angle adjustment device of heliostat of the present invention, compact-sized, design service life was up to 30 years.By rightIt is respectively equipped with sealing ring or sealing strip between each connecting component, while guaranteeing dust-proof effect, can also make the present invention -28DEG C~50 DEG C of adverse circumstances under work normally.Pass through interior Nonlubricated bearing, outer Nonlubricated bearing, upper Nonlubricated bearingWith lower Nonlubricated bearing, it can substantially reduce the frequency of maintenance to lubricating system of the present invention, save maintenance cost.Pass through snailThe kind of drive that wheel and worm screw match, and increase guide-soft-band on bearing block, so that stable drive of the present invention, output canIt leans on, noise is small and has self-locking function.It, can be quickly to rotary sleeve by the mounting structure of top chock and stepCarry out dismounting maintenance.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phaseMutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" isIt is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or darkShow that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pairLimitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phaseTo importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, canTo explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phaseEven ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It canTo be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediaryConnection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete conditionConcrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Such as Fig. 1-7, the present invention proposes a kind of angle adjustment device of heliostat, including supporting table 29, and one side is connected withConnecting lugs 291, connecting lugs 291 and electric pushrod are hinged；The upper end of supporting table 29 is affixed, and there are two be equipped with oil-free lubricationThe bearing block of bearing；Rotary sleeve 30 is matched with two Nonlubricated bearings simultaneously；It is solid on the lateral wall of rotary sleeve 30It is connected to connector 24, connector 24 and the output end of electric pushrod are hinged.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 28 upper end of stepTop chock 25；Step 28 is connected with lower Nonlubricated bearing 281, and longitudinal section is opening up semi-circular shape；OnBearing block 25 is connected with Nonlubricated bearing 251, and longitudinal section is downward opening semi-circular shape；Lower Nonlubricated bearingThe inner sidewall of 281 inner sidewall and upper Nonlubricated bearing 251 is respectively equipped with several graphite short column mounting holes, the installation of graphite short columnGraphite short column is embedded in hole.The unleaded axis of boundary lubrication can be selected in lower Nonlubricated bearing 281 and upper Nonlubricated bearing 251It holds, the material of the two lateral wall is copper, and the material of the two inner sidewall is polyformaldehyde and fibre blend.Lower Nonlubricated bearing281 can form a complete tubular with step 28, the top chock 25 being fixed together with upper Nonlubricated bearing 251Bearing.
Two groups of sealing strips are installed, two groups of sealing strips are located between each above-mentioned bearing block and above-mentioned rotary sleeve 30The left and right sides for the above-mentioned Nonlubricated bearing installed on the bearing block, and be arranged along 30 border of rotary sleeve；Every group of sealing stripIncluding the first sealing strip 31 close to 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 strip, and the second sealing strip 32 is O-type seal (as shown in Figure 3).Two seals item can make the present inventionUnder severe use condition, meet dust-proof and temperature difference requirement.
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 setting.Guide-soft-band 33 can prevent rotary sleeve 30 from static to " creeping " phenomenon occurs during rotation, make to revolveShaft covers 30 slow-roll stabilizations, guarantees degree of regulation of the invention.
Above-mentioned electric pushrod includes outer bar 15, and the rotating block hinged with above-mentioned connecting lugs 291 is connected on lateral wall22；The internal sleeve of outer bar 15 is equipped with the interior bar 16 along its axially reciprocating, and 16 outer end seal of interior bar is connected with output end companyBar 19, output end link 19 are connected with the connector sleeve 23 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 are equipped with the dynamic seal ring 17 to offset with 16 lateral wall of interior bar；Lead screw 9, one endIt is sequentially connected with motor 1, the other end is placed in interior bar 16, and is offseted by the second bearing shell 20 and the inner sidewall of interior bar 16；Screw13, it is fixed in the inner end of interior bar 16, and match with lead screw 9；Seal case 6, the shell of motor 1 by motor cabinet 2 withThe lateral wall of seal case 6 is affixed；Worm screw 3 and the worm gear 5 of transmission cooperation are installed in seal case 6；Worm screw 3 passes through two theOne bearing 311 is rotatablely connected with the two sidewalls that seal case 6 is away from each other, and one end of worm screw 3 passes through seal case 6 and motor 1Motor shaft key connection；Worm gear 5 is rotatablely connected by the two sidewalls that two second bearings 51 and seal case 6 are away from each other, and snailWheel 5 is keyed with lead screw 9.
Above-mentioned " inner end " is close to the side of motor 1, and above-mentioned " outer end " is 16 pairs of extraneous output ends of interior bar.
First bearing 311 is tapered roller bearing, and second bearing 51 is thrust ball bearing.
The kind of drive matched using worm gear 5 and worm screw 3, so that structure of the invention is compact, stable drive, noise are small simultaneouslyWith self-locking function.Meanwhile the kind of drive also can effectively enhance the thrust of interior bar 16.
Boring cover 4 is fitted on the side wall of above-mentioned seal case 6, the position of boring cover 4 deviates from the end phase of motor 1 with worm screw 3It is corresponding, O-ring seal is installed on the side wall of boring cover 4 and the inserting cooperation of seal case 6；The corresponding seal box of above-mentioned worm gear 5It is respectively and fixedly connected with the first shaft-cup 61 and the second shaft-cup 62 on the outside of the two side walls of body 6, one of them above-mentioned second bearing 51 is installedIn on the inner sidewall of the second shaft-cup 62；Above-mentioned lead screw 9 passes through the second shaft-cup 62 and is keyed with worm gear 5；One end of above-mentioned outer bar 15It is affixed with the lateral wall of the second shaft-cup 62；The position and the second shaft-cup 62 and outer bar that second shaft-cup 62 is matched with seal case 615 positions matched are separately installed with O-ring seal；Second shaft-cup 62 uses the fixed form of thread connection with outer bar 15, theTwo shaft-cups 62 are with seal case 6 using the fixed form of flanged joint.
The end that lead screw 9 and worm gear 5 cooperate is equipped with nut 92, and nut 92 is used for the axial direction between lead screw 9 and worm gear 5Position is defined；The outside of nut 92 is also equipped with locknut 93, for nut 92 to be fixed, prevents its loosening.
Boring cover 4 is used to carry out first bearing 311 and worm screw 3 dismounting maintenance, and the lateral wall of boring cover 4 is equipped with plug screw threadThreaded handle or screw are installed on boring cover 4, in order to the disassembly to boring cover 4 by hole 41 by plugging threaded hole 41.It is boredLid 4 is inserted into the depth of 6 side wall of seal case, is limited by the circlip for hole 7 installed on insertion hole side wall.Hole elasticityRetaining ring 7 also is used to limit the position of the first bearing 311 close to boring cover 4, and circlip for hole 7 and the first bearing 311 itBetween adjusting pad 8 is installed.
The part that lead screw 9 passes through the second shaft-cup 62 is set with axle sleeve 11, is equipped with oil between the second shaft-cup 62 and axle sleeve 11Envelope 10, oil sealing 10 is close to 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 in such a way that interference is connect with the second shaft-cup 62.Oil sealing 10 is band skeleton knotStructure, the lubricant grease for guaranteeing between worm screw 3, worm gear 5 and second bearing 51 will not leak along axle sleeve 11.
It is set with the first bearing shell 14 on above-mentioned screw 13, the material of the first bearing shell 14 and the second bearing shell 20 is polyurethane.TheOne bearing shell 14 and the second bearing shell 20 are respectively equipped with opening, and the cross section both made is the annular of disconnection, are easily installed.
Using polytetrafluoroethylene (PTFE) and polyurethane material, it can guarantee that the first bearing shell 14 and the second bearing shell 20 are realizing support functionWhile energy, it also can effectively reduce friction, extend service life of the invention.First bearing shell 14 and the second bearing shell 20 differenceIf there are two, which can guarantee the stability of support.
Meanwhile it can also be lowered using polytetrafluoroethylene (PTFE) and polyurethane material thick to the surface of 16 inner sidewall of outer bar 15 and interior barRugosity requirement.
Above-mentioned screw 13 and 16 thread connection of interior bar, the lateral wall of screw 13 are equipped with several locking holes 131, locking hole131 surround the axis Spiral distribution (as shown in Figure 3) of screw 13.Locking hole 131 is used to complete the connection of screw 13 Yu interior bar 16Fixed, the structure of Spiral distribution can reduce influence of the locking hole 131 to 13 intensity of screw.
Above-mentioned second bearing shell 20 is set in the outside of support sleeve 21, and support sleeve 21 passes through the linkage section of above-mentioned 9 end of lead screw91 connect with 9 interference of lead screw.
The end thread of above-mentioned outer bar 15 is connected with sealing shroud 18, and the part that sealing shroud 18 cooperates with outer bar 15 is equipped withO-ring seal；Above-mentioned dynamic seal ring 17 altogether there are two, and be installed on along the axis of outer bar 15 inner sidewall of sealing shroud 18 side by side；Above-mentioned outer Nonlubricated bearing 121 is installed on the inner sidewall of sealing shroud 18, and is located at the inside of dynamic seal ring 17.Dynamic seal ring 17For piston rod dust-proof seal ring.
Outer Nonlubricated bearing 121 is fixed in such a way that interference is connect with sealing shroud 18.
Above-mentioned 19 thread connection of output end link exports end link 19 and the cooperation of interior bar 16 in the end of above-mentioned interior bar 16Part O-ring seal is installed.
When needing to adjust the tilt angle of heliostat, motor 1 drives worm screw 3 to rotate, and worm screw 3 drives silk by worm gear 5Thick stick 9 rotates.Screw 13 drives interior bar 16 to move along the axial stretching of outer bar 15 under the action of lead screw 9.16 end of interior bar it is defeatedEnd link 19 drives rotary sleeve 30 to rotate by connector 24 out.Rotary sleeve 30 is fixed in by heliostat support frame 27On settled date cell mount 26, can drive heliostat around rotary sleeve 30 axis rotate, reach adjust heliostat inclination angleThe purpose of degree.
When needing to safeguard rotary sleeve 30, two top chocks 25 need to only be removed, it can be by rotary sleeve 3Whole take out of related heliostat support frame 27, settled date cell mount 26 is safeguarded.
The mounting means of 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 rotationShaft covers in the slot of 30 lateral walls, then end to end.Which makes in maintenance, without that will be fixed in 30 both ends of rotary sleeveHeliostat support frame 27 remove, the first sealing strip 31 and the second sealing strip 32 can also be replaced.
The angle adjustment device of heliostat of the present invention, compact-sized, design service life was up to 30 years.By rightIt is respectively equipped with sealing ring or sealing strip between each connecting component, while guaranteeing dust-proof effect, can also make the present invention -28DEG C~50 DEG C of adverse circumstances under work normally.By interior Nonlubricated bearing 12, outer Nonlubricated bearing 121, on without glossyPlain besring 251 and lower Nonlubricated bearing 281, can substantially reduce the frequency of maintenance to lubricating system of the present invention, save dimensionProtect cost.The kind of drive matched by worm gear 5 and worm screw 3, and on bearing block increase guide-soft-band 33 structure so thatStable drive of the present invention, output is reliable, noise is small and has self-locking function.Pass through the installation of top chock 25 and step 28Structure quickly can carry out dismounting maintenance to rotary sleeve 30.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the inventionWithin mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.