CN108733087A - Track driving device and heliostat, tower solar-thermal generating system - Google Patents
Track driving device and heliostat, tower solar-thermal generating system Download PDFInfo
- Publication number
- CN108733087A CN108733087A CN201810837935.3A CN201810837935A CN108733087A CN 108733087 A CN108733087 A CN 108733087A CN 201810837935 A CN201810837935 A CN 201810837935A CN 108733087 A CN108733087 A CN 108733087A
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- Prior art keywords
- eccentric shaft
- driving device
- firm banking
- tracking driving
- diagonal brace
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- 239000007787 solid Substances 0.000 claims description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract description 7
- 238000010248 power generation Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transmission Devices (AREA)
Abstract
The present invention relates to photo-thermal power generation field more particularly to a kind of tracking driving device and heliostat, tower solar-thermal generating systems.The turntable that the tracking driving device of the present invention includes firm banking and is rotatably installed in by bearing on firm banking, firm banking is equipped with eccentric shaft, at least three azimuth oil cylinders are hinged on turntable, the piston rod of azimuth oil cylinder is connect with eccentric shaft turns, it is additionally provided at least two diagonal braces between eccentric shaft and firm banking, two diagonal braces are located at the axis of eccentric shaft and axis of rotation is formed by the both sides of vertical plane.Diagonal brace substantially increases the bonding strength between eccentric shaft and firm banking in this way, to improve the bearing strength of eccentric shaft, ensure that turntable is relatively fixed the stability of pedestal rotation.
Description
Technical field
The present invention relates to photo-thermal power generation field more particularly to a kind of tracking driving device for heliostat and using should
Track the heliostat of driving device and tower solar-thermal generating system.
Background technology
With the continuous exhaustion of traditional energy, solar energy obtains people's as inexhaustible, nexhaustible new energy
It pays close attention to.Currently, the technology using solar power generation continuously emerges, the solar energy power generating carried out for example, by using photovoltaic panel
And become the solar power generation mode of mainstream using the solar light-heat power-generation that tower-type electricity generation Jing Chang is carried out.
Tower type solar solar-thermal generating system generally comprises collection thermal tower, collects and is equipped with the thermal-arrest equipped with fused salt at the top of thermal tower
Device, around collection thermal tower be provided with a large amount of heliostat, by heliostat by sunlight be reflected on the heat collector of thermal-arrest top of tower from
And heat collection is got up to generate electricity.Such as application No. is 201580039808.3 Chinese invention patent applications to disclose one
The azimuth rotating mechanism of kind sun tracker, the azimuth rotating mechanism are fixed on the upper end of the column, are equipped with speculum thereon,
Speculum carries out pitch regulation and azimuth adjustment by the driving of azimuth rotating mechanism.Specifically, the azimuth whirler
Structure includes the rotating part with the relatively-stationary fixed part of column and by bearing together with fixed part rolling assembling,
Speculum is mounted on rotating part, and hingedly there are three azimuth oil cylinder, the work of three azimuth oil cylinders for installation on rotating part
Stopper rod is rotatably connected on the same eccentric shaft being connected with fixed part, to eccentric shaft be solid by three azimuth oil cylinders
The push-and-pull action to center drives rotating part relatively fixed part to rotate jointly.
Since the minute surface area of speculum is larger, the mounting bracket of support installation minute surface is also larger, and speculum will also require to hold
By outdoor prodigious wind-force without damaging, therefore, the speculum heavier-weight installed on rotating part, the torque for driving it to rotate
It is larger, higher requirement thus is proposed to the structural strength of eccentric shaft.And azimuth disclosed in aforementioned patent document is revolved
The eccentric shaft of rotation mechanism is only connect by crescent connecting plate with fixed part, the load that three azimuth oil cylinders are applied to it
Compare concentration, in the case of large wind, azimuth oil cylinder push-and-pull action is larger in the load on eccentric shaft, and also has and rush
Hit the effect of load, it is easy to lead to load offset, in turn results in raceway deformation, rotation generation clamping stagnation and generate vibration,
Thus it is difficult to ensure that sunlight can be accurately reflected on the collection thermal tower other than several kilometers by speculum, azimuth whirler
The service life of structure also greatly shortens.
Invention content
The purpose of the present invention is to provide a kind of tracking driving devices, to solve existing tracking driving device because of eccentric shaft knot
Structure intensity it is relatively low and cause reflection failure, the lost of life the problem of.Meanwhile the present invention also provides use the tracking driving device
Heliostat and tower solar-thermal generating system.
Turn that the tracking driving device of the present invention includes firm banking and is rotatably installed in by bearing on firm banking
Platform, firm banking are equipped with eccentric shaft, are hinged at least three azimuth oil cylinders on turntable, the piston rod of azimuth oil cylinder with partially
Central axis connects, and at least two diagonal braces is additionally provided between eccentric shaft and firm banking, two diagonal braces are located at eccentric shaft
Axis and axis of rotation are formed by the both sides of vertical plane.Diagonal brace substantially increases between eccentric shaft and firm banking in this way
Bonding strength ensure that turntable is relatively fixed the stability of pedestal rotation to improve the bearing strength of eccentric shaft.
Further, diagonal brace has at least three, and at least there are three the connecting portions of diagonal brace and firm banking to be in return
Shaft axis is on the circumference in the center of circle, and the active force that such eccentric shaft is born can be uniformly dispersed on firm banking, and point
It is dispersed on the circle concentric with rotation of rotary table center, improves the load intensity of eccentric shaft.
Specifically, firm banking includes annular bottom plate, and the inner ring surface of annular bottom plate, which extends internally, support baseboard, eccentric shaft
On support baseboard, diagonal brace is connected between eccentric shaft and the inner ring surface of annular bottom plate.In turn, there are three diagonal braces, wherein the
One diagonal brace is connected to the position farthest apart from eccentric shaft of inner ring surface, other two is symmetrical arranged about first diagonal brace, this
Sample so that structural symmetry is more preferable, and the active force on eccentric shaft can be made to disperse evenly on firm banking.
Further, three diagonal braces are connected to the same axial positions of eccentric shaft, are easy to implement eccentric shaft stress
Balance.
In addition, the inner ring screw hole arranged in a ring and outer shroud screw hole are respectively arranged on annular bottom plate, inner and outer rings screw hole institute
Concentric in circle, inner and outer rings screw hole is respectively used to be fixedly connected with bearing and column.
The heliostat of the present invention includes column, the tracking driving device that is fixed on column and tracked driving device institute
The speculum of support, turn that the tracking driving device includes firm banking and is rotatably installed in by bearing on firm banking
Platform, firm banking are equipped with eccentric shaft, are hinged at least three azimuth oil cylinders on turntable, the piston rod of azimuth oil cylinder with partially
Central axis connects, and at least two diagonal braces is additionally provided between eccentric shaft and firm banking, two diagonal braces are located at eccentric shaft
Axis and axis of rotation are formed by the both sides of vertical plane.Diagonal brace substantially increases between eccentric shaft and firm banking in this way
Bonding strength ensure that turntable is relatively fixed the stability of pedestal rotation to improve the bearing strength of eccentric shaft.
Further, diagonal brace has at least three, and at least there are three the connecting portions of diagonal brace and firm banking to be in return
Shaft axis is on the circumference in the center of circle, and the active force that such eccentric shaft is born can be uniformly dispersed on firm banking, and point
It is dispersed on the circle concentric with rotation of rotary table center, improves the load intensity of eccentric shaft.
Specifically, firm banking includes annular bottom plate, and the inner ring surface of annular bottom plate, which extends internally, support baseboard, eccentric shaft
On support baseboard, diagonal brace is connected between eccentric shaft and the inner ring surface of annular bottom plate.In turn, there are three diagonal braces, wherein the
One diagonal brace is connected to the position farthest apart from eccentric shaft of inner ring surface, other two is symmetrical arranged about first diagonal brace, this
Sample so that structural symmetry is more preferable, and the active force on eccentric shaft can be made to disperse evenly on firm banking.
Further, three diagonal braces are connected to the same axial positions of eccentric shaft, are easy to implement eccentric shaft stress
Balance.
In addition, the inner ring screw hole arranged in a ring and outer shroud screw hole are respectively arranged on annular bottom plate, inner and outer rings screw hole institute
Concentric in circle, inner and outer rings screw hole is respectively used to be fixedly connected with bearing and column.
The present invention tower solar-thermal generating system include center collection thermal tower and around center collection thermal tower arrange it is a large amount of calmly
Solar eyepiece, the heliostat includes column, the tracking driving device that is fixed on column and tracked driving device are supported
Speculum, the turntable that the tracking driving device includes firm banking and is rotatably installed in by bearing on firm banking, Gu
Determine pedestal and be equipped with eccentric shaft, at least three azimuth oil cylinders, the piston rod and eccentric shaft of azimuth oil cylinder are hinged on turntable
Rotation connection, is additionally provided at least two diagonal braces, two diagonal braces are located at the axis of eccentric shaft between eccentric shaft and firm banking
The both sides of vertical plane are formed by with axis of rotation.Diagonal brace substantially increases the connection between eccentric shaft and firm banking in this way
Intensity ensure that turntable is relatively fixed the stability of pedestal rotation to improve the bearing strength of eccentric shaft.
Further, diagonal brace has at least three, and at least there are three the connecting portions of diagonal brace and firm banking to be in return
Shaft axis is on the circumference in the center of circle, and the active force that such eccentric shaft is born can be uniformly dispersed on firm banking, and point
It is dispersed on the circle concentric with rotation of rotary table center, improves the load intensity of eccentric shaft.
Specifically, firm banking includes annular bottom plate, and the inner ring surface of annular bottom plate, which extends internally, support baseboard, eccentric shaft
On support baseboard, diagonal brace is connected between eccentric shaft and the inner ring surface of annular bottom plate.In turn, there are three diagonal braces, wherein the
One diagonal brace is connected to the position farthest apart from eccentric shaft of inner ring surface, other two is symmetrical arranged about first diagonal brace, this
Sample so that structural symmetry is more preferable, and the active force on eccentric shaft can be made to disperse evenly on firm banking.
Further, three diagonal braces are connected to the same axial positions of eccentric shaft, are easy to implement eccentric shaft stress
Balance.
In addition, the inner ring screw hole arranged in a ring and outer shroud screw hole are respectively arranged on annular bottom plate, inner and outer rings screw hole institute
Concentric in circle, inner and outer rings screw hole is respectively used to be fixedly connected with bearing and column.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the heliostat of the present invention；
Fig. 2 is the structural schematic diagram of the tracking driving device of the heliostat of the present invention；
Fig. 3 is the vertical view of the tracking driving device of the heliostat of the present invention；
Fig. 4 is the stereogram exploded view of the tracking driving device of the heliostat of the present invention；
Fig. 5 is the structural schematic diagram of firm banking in Fig. 4；
Fig. 6 is the vertical view of firm banking in Fig. 4；
Fig. 7 is the upward view of firm banking in Fig. 4.
Specific implementation mode
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The embodiment of the tower solar-thermal generating system of the present invention, including center collection thermal tower and around center collection thermal tower arrangement
A large amount of heliostats, heliostat can track the sun and sunlight are reflected on the collection thermal tower of center, be heated to the fused salt in collection thermal tower
For power generation.Wherein, the structure of heliostat is as shown in Figure 1, including column 1 and the tracking being fixed on column 1 driving dress
Set 10, track support in driving device 10 and speculum 9 is installed, speculum 9 be tracked the driving of driving device 10 be tracked it is dynamic
Make.
Visible Fig. 2 ~ 4 of structure for tracking driving device 10, include the firm banking 101 being fixedly connected with column 1, fixed bottom
Turntable 103 is rotatablely equipped with by bearing 102 on seat 101.Specifically, as shown in Fig. 5 ~ 7, firm banking 101 includes annular bottom
Plate, is respectively arranged with the inner ring screw hole 1013 arranged in a ring and outer shroud screw hole 1012 on annular bottom plate, where inner and outer rings screw hole
Circle is concentric, and for being connect with column, inner ring screw hole 1013 is used to fix with the inner ring 1021 of bearing 102 to be connected outer shroud screw hole 1012
It connects.Turntable 103 is fixedly connected by bolt connecting hole thereon with the outer ring 1020 of bearing 102, and such turntable can be consolidated relatively
Determine pedestal and rotates action.
Firm banking 101 extends internally in the inner ring surface of annular bottom plate support baseboard 1014, and support baseboard 1014 is in the moon
Thread form is fixed with eccentric shaft 1010 on support baseboard 1014, and eccentric shaft 1010 is located in bearing inner race.On firm banking 101
Diagonal brace 1011 is also connected between eccentric shaft 1010 and the inner ring surface of annular bottom plate.There are three diagonal braces 1011, wherein first
Diagonal brace is connected to the position farthest apart from eccentric shaft of inner ring surface, i.e. the diagonal brace was located at eccentric shaft axis and bearing axis of rotation
Vertical plane on, other two diagonal brace about first diagonal brace be symmetrical arranged.Three diagonal braces are connected to the same of eccentric shaft 1010
The link position of one axial positions, three diagonal braces 1011 and eccentric shaft 1010 is in the upside of support baseboard 1014.
It is hinged there are three azimuth oil cylinder 11 on turntable 103, the cylinder bodies of three azimuth oil cylinders 11 respectively on turntable 103
Azimuth oil cylinder hinged seat 110 be articulated and connected, and be articulated and connected position be distributed on revolution circumference on, three azimuth oil cylinders 11
Piston rod outer end it is hinged by hinged ear group 1100 and eccentric shaft 1010, and three azimuth oil cylinders 11 are hinged on eccentric shaft
1010 same axial position.Such three azimuth oil cylinders 11 according to certain rule expanding-contracting action can by with turntable
103 three articulated positions are supplied to 103 collective effect power of turntable, and turntable 103 is driven to be relatively fixed the rotation of pedestal 101.
Pitch angle oil cylinder 12 is hingedly installed, pitch angle oil cylinder 12 passes through the hinged ear that is arranged on its cylinder body on turntable 103
120 is hinged with speculum, and turntable 103 is hinged by speculum hinged seat 1030 and speculum.
The eccentric shaft of driving device is tracked by the way that the support of support baseboard is fixed and the connection of diagonal brace, with firm banking it
Between have higher bonding strength, bearing capacity is stronger, ensure that stable rotation of the turntable relative to firm banking, greatly improves
The use reliability of tracking driving device, reduces maintenance cost, also improves the generating efficiency of tower solar-thermal generating system.
Certainly, tower solar-thermal generating system of the invention is not limited in above-mentioned embodiment.
For example, in other embodiments, track diagonal brace on the firm banking of driving device only there are two, you can with such as
Shown in Fig. 5, save positioned at intermediate diagonal brace.Certainly, the quantity of diagonal brace is arranged according to the actual needs, four, five
It can, it is preferable that these diagonal braces can be made to be on the anchor ring opposite with support baseboard with the link position of the inner ring surface of annular bottom plate,
Support baseboard is set to can be provided with diagonal brace so more uniform to the active force of eccentric shaft.
Alternatively, each diagonal brace can also be connected at the axially different position of eccentric shaft, such as there is part in multiple diagonal braces
Diagonal brace is identical as the link position of eccentric shaft, the link position axially spaced-apart of other diagonal braces and eccentric shaft be staggered or it is all tiltedly
It supports and is staggered in the axial direction with the link position of eccentric shaft.
The present invention also provides the embodiments of heliostat included in tower solar-thermal generating system and tracking driving device：
Their concrete structure has been described in the various embodiments of above-mentioned tower solar-thermal generating system, herein no longer in detail
Thin description.
Claims (8)
1. track driving device, including firm banking and the turntable on firm banking is rotatably installed in by bearing, fixed bottom
Seat is equipped with eccentric shaft, and at least three azimuth oil cylinders, the piston rod and eccentric shaft turns of azimuth oil cylinder are hinged on turntable
Connection, characterized in that at least two diagonal braces are additionally provided between eccentric shaft and firm banking, two diagonal braces are located at eccentric shaft
Axis and axis of rotation are formed by the both sides of vertical plane.
2. tracking driving device according to claim 1, characterized in that diagonal brace has at least three, and at least there are three tiltedly
Support and the connecting portion of firm banking are in using axis of rotation as on the circumference in the center of circle.
3. tracking driving device according to claim 1, characterized in that firm banking includes annular bottom plate, annular bottom plate
Inner ring surface extend internally and have support baseboard, eccentric shaft is located on support baseboard, and diagonal brace is connected to eccentric shaft and annular bottom plate
Between inner ring surface.
4. tracking driving device according to claim 3, characterized in that there are three diagonal brace is total, wherein first diagonal brace connects
It is connected on the position farthest apart from eccentric shaft of inner ring surface, other two is symmetrical arranged about first diagonal brace.
5. tracking driving device according to claim 4, characterized in that three diagonal braces are connected to the same axial direction of eccentric shaft
At position.
6. tracking driving device according to claim 4, characterized in that be respectively arranged on annular bottom plate and arrange in a ring
Inner ring screw hole and outer shroud screw hole, circle where inner and outer rings screw holes is concentric, and inner and outer rings screw hole is respectively used to solid with bearing and column
Fixed connection.
7. heliostat, including column, the tracking driving device that is fixed on column and tracked driving device supported it is anti-
Penetrate mirror, characterized in that the tracking driving device is the tracking driving device described in any one of claim 1 ~ 6.
8. tower solar-thermal generating system, including center collection thermal tower and a large amount of heliostats around center collection thermal tower arrangement, described
The speculum that the tracking driving device and tracked driving device that heliostat includes column, is fixed on column are supported,
It is characterized in, the tracking driving device is the tracking driving device described in any one of claim 1 ~ 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810837935.3A CN108733087A (en) | 2018-07-26 | 2018-07-26 | Track driving device and heliostat, tower solar-thermal generating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810837935.3A CN108733087A (en) | 2018-07-26 | 2018-07-26 | Track driving device and heliostat, tower solar-thermal generating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108733087A true CN108733087A (en) | 2018-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810837935.3A Pending CN108733087A (en) | 2018-07-26 | 2018-07-26 | Track driving device and heliostat, tower solar-thermal generating system |
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|---|---|
| CN (1) | CN108733087A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113311876A (en) * | 2021-05-18 | 2021-08-27 | 杭州中德传动设备有限公司 | Heliostat driving device |
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2018
- 2018-07-26 CN CN201810837935.3A patent/CN108733087A/en active Pending
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| CN113311876A (en) * | 2021-05-18 | 2021-08-27 | 杭州中德传动设备有限公司 | Heliostat driving device |
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