CN107992095B - Double-shaft tracking device - Google Patents
Double-shaft tracking device Download PDFInfo
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- CN107992095B CN107992095B CN201610951888.6A CN201610951888A CN107992095B CN 107992095 B CN107992095 B CN 107992095B CN 201610951888 A CN201610951888 A CN 201610951888A CN 107992095 B CN107992095 B CN 107992095B
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- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention discloses a double-shaft tracking device, which comprises: the rotary platform comprises an inner cylinder and an outer cylinder, and the outer cylinder is rotationally sleeved on the inner cylinder; the bracket comprises a cross beam and a main frame, wherein the cross beam is fixedly arranged at the top of the outer cylinder, the main frame is rotationally connected with the cross beam, and the main frame is used for installing a solar light plate; the first slewing mechanism and the second slewing mechanism are basically identical in structure and comprise a disc-shaped support, a traction rope, an input shaft and a swing arm, the input shaft drives the traction rope to slide along the periphery of the disc-shaped support, the traction rope drives the swing arm to rotate, the swing arm drives the outer cylinder to rotate around the inner cylinder in the first slewing mechanism, and the swing arm drives the main frame to rotate around the cross beam in the second slewing mechanism. The double-shaft tracking device can realize two-degree-of-freedom operation of the solar light plate arranged on the main frame, and has the advantages of stable structure, stable operation and low manufacturing cost.
Description
Technical Field
The invention relates to the technical field of mechanism design of tracking systems, in particular to a double-shaft tracking device.
Background
Solar photo-thermal power generation (CSP, concentrating Solar Power) is a solar power generation technology that coexists with photovoltaic power generation. The most effective mode of the technology is to collect sunlight by utilizing a large-scale array lens, then project the sunlight onto a concentrated heat collector, and the concentrated sunlight generates steam through a heat exchange device and then the steam drives a turbine unit to generate electricity. The solar photo-thermal power generation technology directly utilizes the heat energy concentration of sunlight, utilizes the heat energy to generate steam expansion, and pushes the generator set to convert into electric energy through mechanical energy generated by the steam expansion. Meanwhile, the heat exchange device and the steam which concentrate solar heat energy can store the heat energy, and the generator set can be driven to generate power under the condition that the sun does not exist in a certain time, so that the technology is more stable in power generation and less in impact on a power grid.
Because the heat collector for collecting heat energy in the solar photo-thermal power generation system is in a fixed position, the solar light plate is also in a fixed position, and the relative position of the sun changes every moment, the solar light plate must be fixed on a separate device, and the device must adjust the angle of the solar light plate in real time, so that the included angle (incident angle) between the sun and the lens and the included angle (reflection angle) between the heat collector and the lens are always equal, and the center line of reflected light passes through the center of the heat collector.
The prior art has proposed a dual-axis tracking device of various structures, and the horizontal angle and the vertical angle of the solar light panel can be effectively adjusted by the dual-axis tracking device, so that the solar light panel can always aim at the sun, thereby absorbing sunlight more fully. The existing double-shaft tracking device is complex in general structure, unstable in operation and inaccurate in angle adjustment of a solar light plate.
Accordingly, the present inventors have sought to provide a novel dual axis tracking device.
Disclosure of Invention
The invention aims to provide a double-shaft tracking device which can adjust the vertical angle and the horizontal angle of a solar light plate, realizes the two-degree-of-freedom operation of the solar light plate, and has the advantages of stable structure, stable operation and low manufacturing cost.
In order to solve the above technical problems, the present invention provides a dual-axis tracking device, including: the rotary platform comprises an inner cylinder and an outer cylinder, and the outer cylinder is rotationally sleeved on the inner cylinder; the first slewing mechanism comprises a first disc-shaped support, a first traction rope, a first input shaft and a first swing arm, wherein the first disc-shaped support is fixed at the bottom of an inner cylinder of the rotary platform, a wire winding end is arranged on the periphery of the first disc-shaped support, the first traction rope is wound on the wire winding end of the first disc-shaped support, the first input shaft is connected with the first traction rope, the first input shaft is used for driving the first traction rope to slide along the wire winding end of the first disc-shaped support, the first end of the first swing arm is connected with the first traction rope, the second end of the first swing arm is connected with an outer cylinder of the rotary platform, the first traction rope drives the first swing arm to rotate, and the first swing arm further drives the outer cylinder to rotate on the inner cylinder.
The dual axis tracking device further comprises: the bracket comprises a cross beam and a main frame, wherein the cross beam is fixedly arranged at the top of the outer cylinder of the rotary platform, and the main frame is rotationally connected with the cross beam; the second slewing mechanism comprises a second disc-shaped support, a second traction rope, a second input shaft and a second swing arm, wherein the second disc-shaped support is fixed on the cross beam, a wire winding end is arranged on the periphery of the second disc-shaped support, the second traction rope is wound on the wire winding end of the second disc-shaped support, the second input shaft is connected with the second traction rope, the second input shaft is used for driving the second traction rope to slide along the wire winding end of the second disc-shaped support, the first end of the second swing arm is connected with the second traction rope, the second end of the second swing arm is connected with the main frame, the second traction rope drives the second swing arm to rotate, and the second swing arm further drives the main frame to rotate around the cross beam.
Preferably, the main frame comprises a frame body and a plurality of connecting pieces, wherein the frame body is used for installing the solar light panel, the connecting pieces are fixedly connected with the frame body, the connecting pieces are sleeved on the cross beam, and the connecting pieces are used for driving the frame body to rotate around the cross beam.
Preferably, the first input shaft is connected with a first worm gear reducer, and the first input shaft drives the first traction rope to slide through the first worm gear reducer; and/or; the second input shaft comprises a first sub-input shaft and a second sub-input shaft which are vertically connected, the first sub-input shaft is connected with the second sub-input shaft through a second worm gear reducer, the first sub-input shaft penetrates through the inner cylinder and the outer cylinder along the central shaft of the rotary platform and then is connected with the second sub-input shaft, and the second sub-input shaft is connected with the second traction rope.
Preferably, the rotary platform further comprises a pair of limit bearings, the limit bearings are located between the outer cylinder and the inner cylinder, the limit bearings are sleeved on the inner cylinder, and a space is reserved between the pair of limit bearings.
Preferably, in the first slewing mechanism, a clamping part for limiting the first traction rope is arranged on a winding end of the first disc-shaped bracket; in the second slewing mechanism, a clamping part for limiting the second traction rope is arranged at the winding end of the second disc-shaped bracket.
Preferably, the clamping part is a groove; and/or; the wire winding end of first disk support and the wire winding end of second disk support all are equipped with a plurality of pulleys, be equipped with on the periphery wall of pulley the screens portion.
Preferably, a first connecting piece is arranged at the first end of the first swing arm, the first connecting piece is fixedly connected with the first traction rope, and the first connecting piece slides on the winding end of the first disc-shaped support under the driving of the first traction rope.
Preferably, the connecting section of the first traction rope connected with the first connecting piece is of a continuous structure, and the continuous structure is arranged on the first connecting piece in a penetrating way; or; the connecting section of the first traction rope connected with the first connecting piece is provided with a first opening, and two ends of the first traction rope at the first opening are respectively fixed at two ends of the first connecting piece.
Preferably, the connecting section of the first traction rope connected with the first input shaft is provided with a second opening, the first end and the second end of the first traction rope at the second opening are respectively wound on the first input shaft, and the first input shaft pays out the second end of the first traction rope when the first end of the first traction rope at the second opening is reeled in.
Preferably, the first end of the first traction rope at the second opening is wound on the first section of the first input shaft in a first direction, the second end of the first traction rope is wound on the second section of the first input shaft in a second direction, and the first direction is opposite to the second direction.
Preferably, the connecting section of the first traction rope connected with the first input shaft is a continuous structure, and the continuous structure is tensioned under the action of the first input shaft.
The dual-axis tracking device of the present invention can achieve at least one of the following advantageous effects.
1. The double-shaft tracking device can realize the operation of the solar light plate arranged on the main frame on two degrees of freedom through the first rotating mechanism and the second rotating mechanism respectively, wherein the rotating platform has a reliable structure, can effectively avoid the phenomenon of overturning when the outer cylinder rotates on the inner cylinder, has a simple structure and is reliable in operation, and the output shaft (the outer cylinder of the rotating platform and the main frame of the bracket) can be applied with a larger force arm and moment by selecting specific sizes of the disc-shaped bracket and the swing arm, so that the stable rotation of the outer cylinder and the main frame is ensured.
2. According to the double-shaft tracking device, the limiting bearing is arranged between the inner cylinder and the outer cylinder, so that the running stability of the rotating platform can be further ensured, and the anti-overturning performance of the rotating platform is enhanced.
Drawings
The invention is described in further detail below with reference to the attached drawings and detailed description:
FIG. 1 is a schematic diagram of one embodiment of a dual axis tracking device of the present invention;
FIG. 2 is a schematic diagram of the dual axis tracking device shown in FIG. 1 in another view;
FIG. 3 is a schematic diagram of the dual axis tracking device shown in FIG. 1 in another view;
FIG. 4 is a schematic view of the structure of the rotary stage in the dual-axis tracking device shown in FIG. 1;
FIG. 5 is a partial cross-sectional view of the rotary platform shown in FIG. 4;
FIG. 6 is a schematic view of the configuration of the inner barrel of the rotary platform shown in FIG. 4;
FIG. 7 is a schematic view of the structure of the first swing mechanism in the dual-axis tracking device shown in FIG. 1;
FIG. 8 is a partially enlarged schematic illustration of the first swing mechanism shown in FIG. 7;
FIG. 9 is a schematic diagram of a second swing mechanism of the dual axis tracking device shown in FIG. 1;
FIG. 10 is a schematic view of the installation of the second input shaft in the second swing mechanism shown in FIG. 9;
FIG. 11 is an enlarged partial mounting schematic of the second input shaft shown in FIG. 10;
FIG. 12 is an enlarged partial mounting schematic of the second input shaft shown in FIG. 10;
fig. 13 is a schematic structural view of a holder in the biaxial tracking device shown in fig. 1.
Reference numerals illustrate:
the rotary platform 100, the inner cylinder 110, the outer cylinder 120, the thrust bearing 130 and the limit bearing 140;
the first swing mechanism 200, the first disc-shaped bracket 210, the first traction rope 220, the first input shaft 230 and the first swing arm 240;
A bracket 300, a beam 310, a main frame 320;
The second swing mechanism 400, the second disc-shaped bracket 410, the second traction rope 420, the second input shaft 430, the first sub-input shaft 431, the third sub-input shaft 432, the steering gear 433 and the second swing arm 440;
solar light panel A.
Detailed Description
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
As shown in fig. 1 to 3, this embodiment discloses a dual-axis tracking device, which includes: the rotary platform 100, the first swing mechanism 200, the bracket 300 and the second swing mechanism 400.
As shown in fig. 4 to 6, the rotary platform 100 includes an inner cylinder 110 and an outer cylinder 120, and the outer cylinder 120 is rotatably sleeved on the inner cylinder 110. Specifically, the inner cylinder 110 is provided with a thrust bearing 130, the outer cylinder 120 is sleeved on the inner cylinder 110, and the outer cylinder 120 rotates on the inner cylinder 110 through the thrust bearing 130.
Specifically, the rotary platform 100 further includes a pair of limit bearings 140, the limit bearings 140 are located between the outer cylinder 120 and the inner cylinder 110, an inner circumferential surface of each limit bearing 140 is fixedly sleeved on the inner cylinder 110, an outer circumferential surface is attached to an inner wall of the outer cylinder 120, and a space is provided between the pair of limit bearings 140.
Specifically, an extension portion (not shown in the figure) is provided on the outer peripheral wall of the inner cylinder 110 of the rotary platform 100, and the extension direction of the extension portion faces the outer cylinder 120; the outer cylinder 120 is provided with a plurality of stoppers (not shown), preferably screws, which are disposed below the extension. The extension portion blocks the screw, so that the outer cylinder 120 is prevented from jumping up relative to the inner cylinder 110 in the vertical direction, structural stability between the inner cylinder 110 and the outer cylinder 120 is effectively ensured, and running stability of the rotary platform 100 is further ensured.
Referring to fig. 7 and 8, the first rotation mechanism 200 includes a first disc-shaped support 210, a first traction rope 220, a first input shaft 230, and a first swing arm 240, where the first disc-shaped support 210 is fixed at the bottom of the inner cylinder 110 of the rotary platform 100, a winding end is provided on the periphery of the first disc-shaped support 210, the first traction rope 220 is wound on the winding end of the first disc-shaped support 210, the first input shaft 230 is connected with the first traction rope 220, the first input shaft 230 is further connected with a first worm gear reducer, the first input shaft 230 drives the first traction rope 220 to slide along the winding end of the first disc-shaped support 210 through the first worm gear reducer, a first end of the first swing arm 240 is connected with the first traction rope 220, a second end of the first swing arm 240 is connected with the outer cylinder 120 of the rotary platform 100, the first traction rope 220 drives the first swing arm 240 to rotate, and the first swing arm 240 further drives the outer cylinder 120 to rotate on the inner cylinder 110.
In the first swing mechanism 200, a plurality of pulleys are arranged on the winding end of the first disc-shaped bracket 210, and the pulleys are arranged to facilitate the stable sliding of the traction rope. The clamping part is arranged on the peripheral wall of the pulley, the clamping part is specifically a groove, the first traction rope is positioned in the groove, and the groove is used for limiting the first traction rope 220, so that the first traction rope 220 can stably slide on the first disc-shaped support 210, and the off-line escape phenomenon can not occur.
Specifically, a first end of the first swing arm 240 is provided with a first connecting piece, and the first connecting piece is fixedly connected with the first traction rope 220, and the first connecting piece slides on the winding end of the first disc-shaped bracket 210 under the driving of the first traction rope 220. The connecting section of the first traction rope 220 connected with the first connecting piece is provided with a first opening, and two ends of the first traction rope 220 at the first opening are respectively fixed at two ends of the first connecting piece. As shown, the connecting member is provided with a pair of closed loop members to which the first traction rope 220 may be respectively fastened at both ends of the first opening.
Specifically, the connecting section of the first traction rope 220 connected with the first input shaft 230 has a second opening, the first end of the first traction rope 220 at the second opening is wound on the first section of the first input shaft 230 along the first direction, the second end of the first traction rope is wound on the second section of the first input shaft 230 along the second direction, and the first direction is opposite to the second direction, when the first input shaft 230 pays out the first end of the first traction rope 220 at the second opening, the other end is wound.
Specifically, the winding end on the first disc-shaped bracket 210 has a circular arc structure, and the central angle of the winding end can be set to 330 °, and at this time, the first traction rope 220 can drive the first swing arm 240 to perform angle adjustment within a range of 0-330 °. The distance between each point on the winding end of the first disc-shaped bracket 210 and the outer cylinder 120 is kept constant, and the length of the first swing arm 240 is fixed. The first disc-shaped bracket 210 is a hollow-out disc, so that the weight of the bracket can be reduced, and the manufacturing cost can be saved.
Specifically, the first swing mechanism 200 further includes a first tensioning mechanism (not shown in the drawings), which is connected to the first traction rope 220, for tensioning the first traction rope 220 during sliding of the first traction rope 220.
As shown in fig. 13, the stand 300 includes a cross member 310 and a main frame 320, the cross member 310 is fixedly provided at the top of the outer tub 120, and the main frame 320 is rotatably connected to the cross member 310. Specifically, the main frame comprises a frame body and a plurality of connecting pieces, wherein the frame body is used for installing the solar light panel A, the connecting pieces are fixedly connected with the frame body, the connecting pieces are sleeved on the cross beam, and the connecting pieces are used for driving the frame body to rotate around the cross beam. To ensure structural stability of the bracket 300, the number of the connectors in the main frame 320 is three, which are respectively disposed at both ends and the middle of the cross member 310. The whole main frame runs in a first degree of freedom along with the first rotary platform, and the frame body in the main frame runs in a second degree of freedom under the action of the second rotary platform, so that the solar light panel A runs in two degrees of freedom.
As shown in fig. 9, the second swing mechanism 400 includes a second disc-shaped bracket 410, a second traction rope 420, a second input shaft 430 and a second swing arm 440, the second disc-shaped bracket 410 is fixed on the beam 310, a winding end is provided at the outer periphery of the second disc-shaped bracket 410, the second traction rope 420 is wound on the winding end of the second disc-shaped bracket 410, the second input shaft 430 is connected with the second traction rope 420, the second input shaft 430 drives the second traction rope 420 to slide along the winding end of the second disc-shaped bracket 410, a first end of the second swing arm 440 is connected with the second traction rope 420, a second end of the second swing arm 440 is connected with the main frame 320, the second traction rope 420 drives the second swing arm 440 to rotate, and the second swing arm 440 further drives the main frame 320 to rotate around the beam 310.
As shown in fig. 10, 11 and 12, the second input shaft includes a first sub input shaft 431 and a second sub input shaft which are vertically connected, and the first sub input shaft 431 and the second sub input shaft are connected through a second worm gear reducer, and the first sub input shaft 431 penetrates through the inner cylinder and the outer cylinder along the central axis of the rotary platform and then is connected with the second sub input shaft, and the second sub input shaft is connected with the second traction rope. The first sub-input shaft drives the second sub-input shaft to rotate through the second worm gear reducer, and the second sub-input shaft drives the second traction rope to slide.
The second input shaft 430 further includes a third sub-input shaft 432, the third sub-input shaft 432 is vertically connected with the first sub-input shaft 431, a steering gear 433 is disposed between the first sub-input shaft 431 and the third sub-input shaft 432, the first sub-input shaft 431 penetrates through the inner cylinder 110 and the outer cylinder 120 along a central axis of the rotary platform 100 and is connected with the second traction rope 420, and the third sub-input shaft 432 is located at the bottom of the rotary platform 100 and extends outwards along a direction away from the rotary platform 100. The third sub-input shaft is connected with the driver arranged outside the rotary platform, so that the driver of the second rotary mechanism can be arranged at a position far away from the second rotary mechanism, the driver is arranged near the rotary mechanism in a conventional way, the driving mechanism needs to rotate together under the action of the other rotary mechanism, the conventional way consumes more energy and is unstable in operation, and the structure in the embodiment can effectively solve the problems.
In the second swing mechanism 400, a plurality of pulleys are provided on the winding end of the second disc-shaped bracket 410. The outer peripheral wall of the pulley is provided with a clamping part. The clamping portion is specifically a groove, and the clamping portion is used for limiting the second traction rope 420, so that the second traction rope 420 can slide on the second disc-shaped bracket 410 stably.
Specifically, the first end of the second swing arm 440 is provided with a second connecting member, and the second connecting member is fixedly connected with the second traction rope 420, and the second connecting member slides on the winding end of the second disc-shaped bracket 410 under the driving of the second traction rope 420. The connecting section of the second traction rope 420 connected with the second connecting piece is provided with a first opening, and two ends of the second traction rope 420 at the first opening are respectively fixed at two ends of the second connecting piece. As shown, the second connecting member is provided with a pair of closed loop members, and both ends of the second traction rope 420 at the first opening may be respectively fastened to the pair of closed loop members.
Specifically, the connecting section of the second traction rope 420 connected to the second input shaft 430 has a second opening, the first end of the second traction rope 420 at the second opening is wound on the first section of the second input shaft 430 along the first direction, the second end of the second traction rope is wound on the second section of the second input shaft 430 along the second direction, and the first direction is opposite to the second direction, when the second input shaft 430 pays out the first end of the second traction rope 420 at the second opening, the other end is wound.
Specifically, the winding end of the second disc-shaped bracket 410 has an arc structure, and the central angle of the winding end can be set to 90 °, at this time, the second traction rope 420 can drive the second swing arm 440 to perform angle adjustment within the range of 0-90 °, the distance between each point on the winding end of the second disc-shaped bracket 410 and the beam 310 is unchanged, and the length of the second swing arm 440 is fixed. The second disc-shaped bracket 410 is a hollow disc, so that the weight of the bracket can be reduced, and the manufacturing cost can be saved.
Specifically, the second swing mechanism 400 further includes a second tensioning mechanism connected to the second traction rope 420, for tensioning the second traction rope 420 during sliding of the second traction rope 420.
Of course, in other specific embodiments, the outer cylinder in the rotary platform can be directly sleeved in the inner cylinder in a rotary manner without a thrust bearing, and can also be rotationally connected through other rotary connectors; the disc-shaped brackets in the two slewing mechanisms can also be solid discs; the traction rope can be wound on the disc-shaped bracket for a plurality of times; the outer peripheral shape of the disk-shaped bracket can also be set to other shapes; the first input shaft can also be composed of two sub-input shafts, and then two ends of the traction rope are respectively wound on the two sub-input shafts; the connecting section of the traction rope and the input shaft can also be a continuous structure; the hauling rope can select a steel wire rope, a nylon rope, a belt, a synchronous belt or other rope-shaped structures according to the requirements; the connecting section between the traction rope and the swing arm can also be a continuous structure; the connection mode of the first sub-input shaft in the second input shaft and the second traction rope can be selected according to actual needs according to the specific connection mode of the second slewing mechanism and the rotary platform; in addition, the specific structures of the two slewing mechanisms in the double-shaft tracking device can be adjusted according to the requirements, and the detailed description is omitted here.
It should be noted that, the structural design principles of the first swing mechanism and the second swing mechanism are similar, so that the structural adjustment of one swing mechanism can be applied to the other swing mechanism, and of course, the specific structures of the two swing mechanisms can also be different, for example, one swing mechanism comprises a pulley, and the other swing mechanism does not comprise a pulley; the whole hauling rope in one slewing mechanism is of a continuous structure, and the other hauling rope is of a disconnected structure at the joint of the hauling rope and the input shaft and/or the swing arm; the length of the swing arm in one swing mechanism is fixed, and the length of the swing arm is adjustable, so that those skilled in the art can derive various embodiments from the above disclosure, and the disclosure is not repeated here.
Exemplary, as shown in connection with fig. 1 to 13, the application of the specific embodiment of the dual axis tracking device of the present invention is as follows:
1. the first input shaft 230 in the first swing mechanism 200 drives the first traction rope 220 to slide on a horizontal plane;
2. the first hauling rope 220 drives the first swing arm 240 to rotate on the horizontal plane;
3. The first swing arm 240 drives the outer cylinder 120 to rotate around the inner cylinder 110 on a horizontal plane;
4. The outer cylinder 120 drives the bracket 300 and the second rotary mechanism 400 to rotate on the horizontal plane, so that the angle adjustment of the solar light panel A fixed on the bracket 300 on the horizontal plane is realized;
5. The second input shaft 430 in the second swing mechanism 400 drives the second traction rope 420 to slide on the vertical surface;
6. the second traction rope 420 drives the second swing arm 440 to rotate on the vertical surface;
7. The second swing arm 440 rotates the main frame 320 around the cross member 310 on a vertical plane, thereby achieving an angular adjustment of the solar light panel a fixed to the stand 300 on the vertical plane.
The double-shaft tracking device has the advantages of simple structure, reliable operation, low manufacturing cost and easy popularization, and can realize the operation of the solar light plate on two degrees of freedom.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (10)
1. A dual axis tracking device, comprising:
The rotary platform comprises an inner cylinder and an outer cylinder, and the outer cylinder is rotationally sleeved on the inner cylinder;
the first rotary mechanism comprises a first disc-shaped support, a first traction rope, a first input shaft and a first swing arm, wherein the first disc-shaped support is fixed at the bottom of an inner cylinder of the rotary platform, a wire winding end is arranged on the periphery of the first disc-shaped support, the first traction rope is wound on the wire winding end of the first disc-shaped support, the first input shaft is connected with the first traction rope, the first input shaft is used for driving the first traction rope to slide along the wire winding end of the first disc-shaped support, the first end of the first swing arm is connected with the first traction rope, the second end of the first swing arm is connected with an outer cylinder of the rotary platform, the first traction rope drives the first swing arm to rotate, and the first swing arm further drives the outer cylinder to rotate on the inner cylinder;
the bracket comprises a cross beam and a main frame, wherein the cross beam is fixedly arranged at the top of the outer cylinder of the rotary platform, and the main frame is rotationally connected with the cross beam;
The second swing mechanism comprises a second disc-shaped support, a second traction rope, a second input shaft and a second swing arm, wherein the second disc-shaped support is fixed on the cross beam, a wire winding end is arranged on the periphery of the second disc-shaped support, the second traction rope is wound on the wire winding end of the second disc-shaped support, the second input shaft is connected with the second traction rope and is used for driving the second traction rope to slide along the wire winding end of the second disc-shaped support, the first end of the second swing arm is connected with the second traction rope, the second end of the second swing arm is connected with the main frame, the second traction rope drives the second swing arm to rotate, and the second swing arm further drives the main frame to rotate around the cross beam;
The second input shaft comprises a first sub-input shaft and a second sub-input shaft which are vertically connected, the first sub-input shaft penetrates through the inner cylinder and the outer cylinder along the central shaft of the rotary platform and then is connected with the second sub-input shaft, and the second sub-input shaft is connected with the second traction rope; the first sub-input shaft drives the second sub-input shaft to rotate, and the second sub-input shaft drives the second traction rope to slide;
The second input shaft further comprises a third sub-input shaft, the third sub-input shaft is vertically connected with the first sub-input shaft, a steering gear is arranged between the first sub-input shaft and the third sub-input shaft, and the first sub-input shaft penetrates through the inner cylinder and the outer cylinder along the central shaft of the rotary platform and then is connected with the second traction rope; the third sub-input shaft is positioned at the bottom of the rotary platform and extends outwards along the direction away from the rotary platform; the third sub-input shaft is connected with a driver arranged outside the rotary platform.
2. The dual axis tracking device of claim 1, wherein:
the main frame comprises a frame body and a plurality of connecting pieces, wherein the frame body is used for installing a solar light plate, the connecting pieces are fixedly connected with the frame body, the connecting pieces are sleeved on the cross beam, and the connecting pieces are used for driving the frame body to rotate around the cross beam.
3. The dual axis tracking device of claim 1, wherein:
The first input shaft is connected with a first worm gear reducer, and the first input shaft drives the first traction rope to slide through the first worm gear reducer;
and/or;
The second input shaft comprises a first sub-input shaft and a second sub-input shaft which are vertically connected, and the first sub-input shaft is connected with the second sub-input shaft through a second worm gear reducer.
4. The dual axis tracking device of claim 1, wherein:
The rotary platform further comprises a pair of limit bearings, the limit bearings are located between the outer cylinder and the inner cylinder, the limit bearings are sleeved on the inner cylinder, and a distance is reserved between the pair of limit bearings.
5. The dual axis tracking device of claim 1, wherein:
In the first slewing mechanism, a clamping part for limiting the first traction rope is arranged on a winding end of the first disc-shaped bracket; in the second slewing mechanism, a clamping part for limiting the second traction rope is arranged at the winding end of the second disc-shaped bracket.
6. The dual axis tracking device of claim 5, wherein:
The clamping part is a groove;
and/or;
The wire winding end of first disk support and the wire winding end of second disk support all are equipped with a plurality of pulleys, be equipped with on the periphery wall of pulley the screens portion.
7. The dual axis tracking device of claim 1, wherein:
The first end of the first swing arm is provided with a first connecting piece, the first connecting piece is fixedly connected with the first traction rope, and the first connecting piece slides on the winding end of the first disc-shaped support under the driving of the first traction rope.
8. The dual axis tracking device of claim 7, wherein:
The connecting section of the first traction rope connected with the first connecting piece is of a continuous structure, and the continuous structure is arranged on the first connecting piece in a penetrating way;
Or;
The connecting section of the first traction rope connected with the first connecting piece is provided with a first opening, and two ends of the first traction rope at the first opening are respectively fixed at two ends of the first connecting piece.
9. The dual axis tracking device of claim 1, wherein:
The connecting section of the first traction rope and the first input shaft is provided with a second opening, the first end and the second end of the second opening are respectively wound on the first input shaft, and the first input shaft pays out the second end of the first traction rope when the first end of the second opening is wound.
10. The dual axis tracking device of claim 1, wherein:
The connecting section of the first traction rope connected with the first input shaft is of a continuous structure, and the continuous structure is tensioned under the action of the first input shaft.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610951888.6A CN107992095B (en) | 2016-10-27 | 2016-10-27 | Double-shaft tracking device |
| PCT/CN2017/106870 WO2018077106A1 (en) | 2016-10-27 | 2017-10-19 | Dual-axle tracking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610951888.6A CN107992095B (en) | 2016-10-27 | 2016-10-27 | Double-shaft tracking device |
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| CN107992095A CN107992095A (en) | 2018-05-04 |
| CN107992095B true CN107992095B (en) | 2024-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610951888.6A Active CN107992095B (en) | 2016-10-27 | 2016-10-27 | Double-shaft tracking device |
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| CN (1) | CN107992095B (en) |
| WO (1) | WO2018077106A1 (en) |
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| CN109088589A (en) * | 2018-09-07 | 2018-12-25 | 上海施步新能源科技有限公司 | A kind of remote group bracket |
| IL272608B (en) * | 2020-02-11 | 2021-04-29 | Peter Graner | Structure of differential telescopic elliptical arcs, consisting of multiple two-axis sun-trackers mechanisms |
| CN115488836A (en) * | 2022-10-27 | 2022-12-20 | 国核示范电站有限责任公司 | Steam generator closure plate mounting tool |
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| KR100972748B1 (en) * | 2009-12-07 | 2010-07-28 | 에버테크노 주식회사 | Tracker for photovoltaic |
| CN206224249U (en) * | 2016-10-27 | 2017-06-06 | 上海施步新能源科技有限公司 | A kind of double-axis tracking device |
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| EP1867935A1 (en) * | 2006-06-13 | 2007-12-19 | Matthias Eisenbacher | Rotating and pivoting device for solar collectors |
| US8459249B2 (en) * | 2007-06-15 | 2013-06-11 | Ronald P. Corio | Single axis solar tracking system |
| US7878191B2 (en) * | 2007-10-31 | 2011-02-01 | Bender William H | Solar collector stabilized by cables and a compression element |
| KR101162844B1 (en) * | 2010-03-11 | 2012-07-09 | 김동원 | Solar Ce1l Generating Apparatus |
| US9784476B2 (en) * | 2013-05-30 | 2017-10-10 | Howard Stein | Portable solar tracker |
| WO2015009507A1 (en) * | 2013-07-19 | 2015-01-22 | Abengoa Solar Llc | Solar apparatus mount |
| CN103760910A (en) * | 2013-10-29 | 2014-04-30 | 杭州帷盛科技有限公司 | Rotary solar single-shaft tracking system |
| TWM491812U (en) * | 2014-07-15 | 2014-12-11 | Big Sun Energy Technology Inc | Steel-cable-controlling sun-tracking type solar power generation facility with tilted anchor portion |
| CN104731110A (en) * | 2015-01-23 | 2015-06-24 | 北京雷蒙赛博机电技术有限公司 | Linear double coiling block rope driving device used for photovoltaic tracking support |
| CN104660161B (en) * | 2015-02-26 | 2016-09-07 | 吴宣湖 | Solar tracking photovoltaic power generation apparatus |
| CN105227100A (en) * | 2015-09-30 | 2016-01-06 | 黑龙江兴安新能源股份有限公司 | A pull-out solar power station with functions of tilting, turning and lifting |
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- 2016-10-27 CN CN201610951888.6A patent/CN107992095B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100972748B1 (en) * | 2009-12-07 | 2010-07-28 | 에버테크노 주식회사 | Tracker for photovoltaic |
| CN206224249U (en) * | 2016-10-27 | 2017-06-06 | 上海施步新能源科技有限公司 | A kind of double-axis tracking device |
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| WO2018077106A1 (en) | 2018-05-03 |
| CN107992095A (en) | 2018-05-04 |
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