CN111734805A - Asynchronous transmission assembly, sun tracking system and photovoltaic power generation system - Google Patents
Asynchronous transmission assembly, sun tracking system and photovoltaic power generation system Download PDFInfo
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- CN111734805A CN111734805A CN202010816710.7A CN202010816710A CN111734805A CN 111734805 A CN111734805 A CN 111734805A CN 202010816710 A CN202010816710 A CN 202010816710A CN 111734805 A CN111734805 A CN 111734805A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 65
- 238000010248 power generation Methods 0.000 title claims abstract description 13
- 230000000670 limiting effect Effects 0.000 claims description 38
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000000712 assembly Effects 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 6
- 238000013461 design Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 3
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- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000002829 reductive effect Effects 0.000 description 2
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- 238000000926 separation method Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/04—Combinations of toothed gearings only
- F16H37/041—Combinations of toothed gearings only for conveying rotary motion with constant gear ratio
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02034—Gearboxes combined or connected with electric machines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02069—Gearboxes for particular applications for industrial applications
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention provides an asynchronous transmission assembly, a sun tracking system and a photovoltaic power generation system, wherein the asynchronous transmission assembly comprises a shell with an accommodating space, a first switch device, a first gear, a second switch device, a third gear, a fourth gear, a first shaft, a second shaft, a third shaft, an input shaft and an output shaft, the input shaft at least partially penetrates through one end of the shell, the output shaft at least partially penetrates through the other end of the shell, the second shaft and the third shaft are both rotatably arranged in the accommodating space and are parallel to the input shaft, the first shaft is movably and rotatably arranged between the second shaft and the third shaft, the first switch device comprises a fifth gear and a sixth gear, the fifth gear is sleeved on the input shaft, and the sixth gear is sleeved on the third shaft. The asynchronous transmission component has ingenious structural design, and a plurality of asynchronous transmission components can be connected in series.
Description
Technical Field
The invention relates to the technical field of photovoltaic power generation, in particular to an asynchronous transmission assembly, a sun tracking system and a photovoltaic power generation system.
Background
The solar panel is generally kept constant at a constant angle toward a certain direction, so that the power generation efficiency of the solar panel is adversely affected by the intensity and angle of illumination.
In order to enable the solar cell panel to face the sun all the time, the solar cell panel can be adjusted in angle, but the photovoltaic power generation system often comprises a plurality of solar cell panels, and the device for controlling the solar cell panel to rotate is arranged on each solar cell panel, so that the manufacturing cost of the whole photovoltaic power generation system can be greatly increased, and the energy consumption can be increased.
Disclosure of Invention
The invention aims to provide an asynchronous transmission assembly, a sun tracking system and a photovoltaic power generation system, so as to solve the technical problems.
According to a first aspect of the present invention, there is provided an asynchronous transmission assembly comprising a housing having an accommodating space, a first switching device, a first gear, a second switching device, a third gear, a fourth gear, a first shaft, a second shaft, a third shaft, an input shaft and an output shaft, the input shaft at least partially penetrating through one end of the housing, the output shaft at least partially penetrating through the other end of the housing, the second shaft and the third shaft both rotatably disposed within the accommodating space and both parallel with respect to the input shaft, the first shaft movably and rotatably disposed between the second shaft and the third shaft, the first switching device comprising a fifth gear and a sixth gear, the fifth gear fitted over the input shaft, the sixth gear fitted over the third shaft, the first gear fitted over the input shaft, the second gear is sleeved on the first shaft and meshed with the first gear, the second switch device comprises a seventh gear and an eighth gear, the seventh gear is sleeved on the input shaft, the first gear is positioned between the fifth gear and the seventh gear, the eighth gear is sleeved on the second shaft, the third gear is sleeved on the output shaft, and the fourth gear is sleeved on the second shaft and meshed with the third gear;
the asynchronous transmission assembly has a first position in which the first shaft moves in a direction toward the sixth gear to urge the sixth gear into engagement with the fifth gear, and a second position in which the first shaft moves in a direction toward the eighth gear to urge the eighth gear into engagement with the seventh gear while the sixth gear and the fifth gear are disengaged.
Optionally, the asynchronous transmission assembly further comprises a first mounting frame, two third mounting frames arranged oppositely and two fourth mounting frames arranged oppositely, the first mounting frame, the third mounting frame and the fourth mounting frames are all arranged in the accommodating space, the input shaft sequentially penetrates through the shell, the first mounting frame and the second mounting frame to stretch into the accommodating space, two ends of the second shaft respectively penetrate through the fourth mounting frames, and the third shaft penetrates through the first mounting frame and at least partially stretches into the shell.
Optionally, the asynchronous transmission assembly further comprises a first hydraulic rod and a second hydraulic rod, the first hydraulic rod is arranged at one end of the first shaft, and the second hydraulic rod is arranged at the other end of the first shaft.
Optionally, asynchronous transmission subassembly still includes the second mounting bracket, the installation body, the screw rod, the nut, pushing mechanism, two guide bars and two seventh springs, the installation body sets up on the second mounting bracket, the nut is including setting up first half nut and the second half nut that just can open and shut in the installation body, the screw rod sets up the primary shaft with between the first hydraulic stem, two guide bars wear to locate along upper and lower direction fixedly the installation body, seventh spring one-to-one overlaps establish on the guide bar and is located first half nut with between the inner wall of installation body, pushing mechanism set up at least partially in the installation body is in order to promote first half nut with the separation of second half nut.
Optionally, the asynchronous transmission assembly further includes a sleeve and a second spring, the sleeve is fixedly sleeved on the first shaft, a first protruding portion extending along the radial direction of the first shaft is formed on one side of the sleeve facing the second gear, and the second spring is sleeved on the sleeve and located between the first protruding portion and the mounting body and used for enabling the sleeve to have a tendency of moving towards the seventh gear.
Optionally, a sliding groove is formed in the mounting body, the pushing mechanism includes a push rod, a sixth spring, a collar, a first support body and a plurality of third hydraulic rods, the first support body is at least partially and fixedly disposed in the sliding groove, one end of the first support body located in the sliding groove forms a second protruding portion extending along the radial direction of the first support body, a spine portion is disposed at the front end of the push rod and corresponds to a joint of the first half nut and the second half nut, the collar is sleeved on the push rod and is in sliding connection with the push rod, the sixth spring is disposed between the collar and the push rod, and the plurality of third hydraulic rods are fixedly disposed on the second protruding portion and located between the second protruding portion and the collar;
the sleeve is fixedly sleeved with a limiting ring, and the limiting ring is used for being abutted against the second protruding part.
Optionally, the asynchronous transmission assembly further includes a first spring, a limiting plate, and a pushing member, the limiting plate is slidably sleeved on the input shaft and located on one side of the third mounting frame facing the first mounting frame, the first spring is sleeved on the input shaft and located between the third mounting frame and the limiting plate, the limiting plate is provided with a connecting portion, the connecting portion is provided with a first inclined surface, and the pushing member is sleeved on the input shaft and provided with a second inclined surface matched with the first inclined surface;
the limiting plate is used for limiting the sleeve to move towards the third mounting frame.
According to a second aspect of the invention, a sun-tracking system is provided, which comprises a motor, a plurality of rotating brackets, a plurality of solar panel mounting brackets and a plurality of asynchronous transmission assemblies, wherein each rotating bracket comprises two L-shaped rotating parts, each rotating bracket is rotatably connected with the shell through the two rotating parts, the solar panel mounting brackets are correspondingly and rotatably arranged on the rotating brackets one by one, the motor is connected with one input shaft, and two adjacent asynchronous transmission assemblies are connected through the input shaft and the output shaft.
Optionally, the sun tracking system further includes a rotating arm and an elastic member, the rotating portion is formed with a cavity structure with an opening at one end, the rotating portion is provided with a through hole extending from a radial surface of the rotating portion into the cavity structure, the rotating arm is rotatably disposed on an inner surface of the cavity structure, the elastic member is respectively connected to one end of the rotating arm and the inner surface of the cavity structure, the first mounting bracket is provided with a mounting hole, the rotating portion is inserted into the mounting hole, a plurality of limiting grooves are uniformly distributed on a circumferential inner surface of the mounting hole, when the sixth gear and the fifth gear are gradually engaged, the third shaft enters the cavity structure and pushes the rotating arm to rotate, so that the rotating arm is disengaged from the limiting grooves, and when the sixth gear and the fifth gear are gradually separated, the third shaft removes the action on the rotating arm, and the elastic piece pushes one end of the rotating arm to enter the limiting groove, so that the rotating arm extends into the limiting groove to limit the rotation of the rotating part.
According to a third aspect of the invention, there is provided a photovoltaic power generation system comprising the solar tracking system described above.
The embodiment of the invention has the beneficial effects that: the first shaft can be selectively contacted with the sixth gear and the eighth gear to enable the fifth gear to be meshed with the sixth gear, or enable the seventh gear to be meshed with the eighth gear, namely, the power input through the input shaft can be transmitted to other transmission mechanisms of the asynchronous transmission assembly through the sixth gear, and the power can be transmitted to the next asynchronous transmission assembly when the power is stopped and transmitted to the asynchronous transmission assembly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a sun tracking system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a portion of a single asynchronous transmission assembly according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view at A in FIG. 2;
FIG. 4 is a partial schematic view of FIG. 2;
FIG. 5 is an enlarged schematic view at B in FIG. 4;
FIG. 6 is a schematic view of a portion of the structure of FIG. 4;
fig. 7 is a partial structural schematic diagram of fig. 4.
Icon: 100-motor, 101-coupler, 102-input shaft, 103-output shaft, 104-first bracket, 105-second bracket, 110-shell, 111 a-fifth gear; 111 b-sixth gear; 112 a-first gear; 112 b-a second gear; 113 a-seventh gear; 113 b-eighth gear; 114 a-third gear; 114 b-fourth gear; 115 a-a first spring; 115 b-a second spring; 115 c-a third spring; 115 d-fourth spring; 115 e-a fifth spring; 115 f-sixth spring; 115 g-a seventh spring; 116-a screw; 117 a-first hydraulic lever; 117 b-second hydraulic ram; 117 c-third hydraulic ram; 118 a-a first mounting frame; 118a 1-retaining groove; 118 b-a second mounting bracket; 118 c-a third mount; 118 d-a fourth mount; 119 a-a first axis; 119 b-a second axis; 119 c-a third axis; 119c 1-sliding part; 120-a limiting plate; 121-a connecting part; 1211-first inclined face/second inclined face; 122-a pusher; 123-casing pipe; 1231-a stop collar; 124-L shaped brackets; 130-a mounting body; 131-a chute; 141-a push rod; 142-a collar; 143-a first support; 1431 — a second boss; 144-tubing; 145-a nut; 146-a guide bar; 147-an oil reservoir; 150-a rotating arm; 151-an elastic member; 160-rotating the support; 161-a rotating part; 170-solar panel mounting bracket.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, according to a first aspect of the present invention, there is provided an asynchronous transmission assembly for a photovoltaic power generation system, specifically, the asynchronous transmission assembly includes a housing 110 having a receiving space, a first switching device, a first gear 112a, a second gear 112b, a second switching device, a third gear 114a, a fourth gear 114b, a first shaft 119a, a second shaft 119b, a third shaft 119c, an input shaft 102 and an output shaft 103, the input shaft 102 at least partially penetrates through one end of the housing 110, the output shaft 103 at least partially penetrates through the other end of the housing 110, the second shaft 119b and the third shaft 119c are both rotatably disposed in the receiving space and are both parallel to the input shaft 102, the first shaft 119a is movably and rotatably disposed between the second shaft 119b and the third shaft 119c, the first switching device includes a fifth gear 111a and a sixth gear 111b, the fifth gear 111a is sleeved on the input shaft 102, the sixth gear 111b is sleeved on the third shaft 119c, the first gear 112a is sleeved on the input shaft 102, the second gear 112b is sleeved on the first shaft 119a and meshed with the first gear 112a, the second switch device comprises a seventh gear 113a and an eighth gear 113b, the seventh gear 113a is sleeved on the input shaft 102, the first gear 112a is positioned between the fifth gear 111a and the seventh gear 113a, the eighth gear 113b is sleeved on the second shaft 119b, the third gear 114a is sleeved on the output shaft 103, the fourth gear 114b is sleeved on the second shaft 119b and meshed with the third gear 114a, the asynchronous transmission assembly has a first position and a second position, in the first position, the first shaft 119a moves towards the sixth gear 111b to push the sixth gear 111b to be meshed with the fifth gear 111a, in the second position, the first shaft 119a moves towards the eighth gear 113b to push the eighth gear 113b to be meshed with the seventh gear 113a At the same time, the sixth gear 111b and the fifth gear 111a are disengaged.
In this embodiment, in order to reduce the size of the occupied space of the asynchronous transmission assembly, the first shaft 119a, the second shaft 119b and the third shaft 119c may be disposed above the input shaft 102, so that the width of the housing 110 may be reduced by increasing the height of the asynchronous transmission assembly.
On this basis, since the first shaft 119a can be selectively brought into contact with the sixth gear 111b and the eighth gear 113b, so that the fifth gear 111a and the sixth gear 111b are engaged, or the seventh gear 113a and the eighth gear 113b are engaged, that is, the power inputted through the input shaft 102 can be transmitted to other transmission mechanisms of the asynchronous transmission assembly through the sixth gear 111b, or the power can be transmitted to the asynchronous transmission assembly when the transmission of the power to the asynchronous transmission assembly is stopped, and transmits the power to the next asynchronous transmission component, so that when a plurality of asynchronous transmission components are connected in series, a plurality of asynchronous transmission assemblies can be driven in sequence by one power source, on one hand, the structure of the asynchronous transmission assembly can be simplified, namely, need not all set up the power supply alone to every asynchronous transmission subassembly, in addition, can also make the power supply need not frequent opening and closing to be favorable to reducing the consumption of the energy.
Referring to fig. 4, in particular, the asynchronous transmission assembly further includes a first mounting bracket 118a, two oppositely disposed third mounting brackets 118c and two oppositely disposed fourth mounting brackets 118d, the first mounting bracket 118a, the third mounting bracket 118c and the fourth mounting brackets 118d are all disposed in the accommodating space, the input shaft 102 sequentially passes through the housing 110, the first mounting bracket 118a and the two third mounting brackets 118c to extend into the accommodating space, the first shaft 119a passes through the two third mounting brackets 118c, two ends of the second shaft 119b respectively pass through the two fourth mounting brackets 118d, the third shaft 119c passes through the first mounting bracket 118a and at least partially extends into the housing 110, wherein the first mounting bracket 118a, the third mounting bracket 118c and the fourth mounting brackets 118d may be plate-shaped structures, and in addition, the two third mounting brackets 118c and the two fourth mounting brackets 118d may also be U-shaped structures, by providing the first, third and fourth mounting brackets 118a, 118c and 118d, the first, second and third shafts 119a, 119b and 119c can be effectively supported, thereby maintaining the entire asynchronous transmission assembly capable of stably transmitting power.
It should be noted that the connection portion between the first shaft 119a and the second gear 112b may be non-cylindrical, so that the second gear 112b drives the first shaft 119a to rotate.
Referring to fig. 4, the asynchronous transmission assembly may further include a first hydraulic rod 117a and a second hydraulic rod 117b, the first hydraulic rod 117a being disposed at one end of the first shaft 119a, the second hydraulic rod 117b being disposed at the other end of the first shaft 119a, the first hydraulic rod 117a being disposed along an axial direction of the first shaft 119a or parallel to the axial direction of the first shaft 119a, and the second hydraulic rod 117b being disposed along the axial direction of the first shaft 119a or parallel to the axial direction of the first shaft 119 a.
In operation, when the input shaft 102 receives external power, the input shaft 102, the first gear 112a, the second gear 112b, and the first shaft 119a sequentially rotate, and at the same time, the first shaft 119a translates in the direction of the sixth gear 111b, when the first hydraulic rod 117a gradually contacts the sixth gear 111b, it pushes the sixth gear 111b to gradually engage with the fifth gear 111a, and since the first shaft 119a continuously moves towards the sixth gear 111b, the first hydraulic rod 117a gradually retracts when contacting the sixth gear 111b, so that after the sixth gear 111b and the fifth gear 111a engage, the first hydraulic rod 117a no longer applies thrust to the sixth gear 111b, but only contacts with the sixth gear 111b, and thus the sixth gear 111b can drive the third shaft 119c to rotate, and thus, by providing the first hydraulic rod 117a and the second hydraulic rod 117b, the engagement state between the fifth gear 111a and the sixth gear 111b can be respectively maintained, The engagement state of the seventh gear 113a with the eighth gear 113b so that power can be stably transmitted.
Referring to fig. 2, in order to separate the sixth gear 111b from the fifth gear 111a after the first hydraulic rod 117a contacts and acts on the sixth gear 111b, the asynchronous transmission assembly further includes a fourth spring 115d, the fourth spring 115d is sleeved on the third shaft 119c and is located between the sixth gear 111b and the first mounting bracket 118a, when the first shaft 119a moves toward the sixth gear 111b, the fourth spring 115d is compressed, and when the first shaft 119a moves toward the eighth gear 113b, the fourth spring 115d pushes the sixth gear 111b toward the eighth gear 113d under the action of a restoring force, so that the fifth gear 111a and the sixth gear 111b can be separated.
Referring to fig. 2, similarly, in order to enable the eighth gear 113b to be separated from the seventh gear 113a after the second hydraulic rod 117b contacts and acts on the eighth gear 113b, the asynchronous transmission assembly further includes a third spring 115c, and the third spring 115c is sleeved on the second shaft 119b and is located between the fourth mounting frame 118d and the eighth gear 113 b.
Referring to fig. 4 and 5, the asynchronous transmission assembly further includes a second mounting frame 118b, a mounting body 130, a screw 116, a nut 145 and a pushing mechanism, two guiding rods 146 and two seventh springs 115g, the mounting body 130 is disposed on the second mounting frame 118b, the nut 145 includes a first half nut and a second half nut which can be opened and closed, the first half nut and the second half nut form a complete nut 145, the screw 116 is disposed between a first shaft 119a and a first hydraulic rod 117a, the two guiding rods 146 are fixedly disposed through the mounting body 130 in the up-and-down direction, the seventh springs 115g are sleeved on the guiding rods 146 in a one-to-one correspondence manner and are located between the first half nut and an inner wall of the mounting body 130, the pushing mechanism is at least partially disposed on the mounting body 130 to push the first half nut and the second half nut to be separated, since the nut 145 does not translate left and right with respect to the first shaft 119a, that is, the first half nut and the second half nut move up and down only in the axial direction of the first shaft 119a, and when the first shaft 119a rotates, the screw 116 moves in the direction of the sixth gear 111b with respect to the nut 145 by the first half nut and the second half nut. Under the action of the pushing mechanism, the pushing mechanism can gradually separate the first half nut and the second half nut, that is, the screw 116 is only rotated and does not move continuously in the direction of the sixth gear 111b, in order to allow the first shaft 119a and the screw 116 to move in the direction of the eighth gear 113b by itself, the asynchronous transmission assembly further includes a sleeve 123 and a second spring 115b, the sleeve 123 is fixedly sleeved on the first shaft 119a and a side of the sleeve 123 facing the second gear 112b forms a first protrusion extending in the radial direction of the first shaft 119a, the second spring 115b is sleeved on the sleeve 123 and is located between the first protrusion and the mounting body 130, when the first shaft 119a translates to the sixth gear 111b, the second spring 115b is gradually compressed, when the screw 116 does not move in the direction of the sixth gear 111b any more, the second spring 115b applies a restoring force to the sleeve 123, the first shaft 119a is moved toward the eighth gear 113b, thereby pushing the eighth gear 113b to gradually mesh with the seventh gear 113 a. Therefore, the translation direction of the first shaft 119a can be changed by the pushing mechanism, so that the transmission direction of the variable force is changed, and an external power source can drive the plurality of serially connected asynchronous transmission assemblies to work sequentially.
Under the action of the seventh spring 115g, the first half nut and the second half nut may gradually approach each other, that is, after the first hydraulic cylinder is separated from the sixth gear 111b, the first half nut and the second half nut are gradually closed, and when the first shaft 119a rotates in the opposite direction, the first half nut and the second half nut may respectively be in threaded engagement with the screw 116, so as to drive the screw 116 to move toward the eighth gear 113 b. Therefore, the nut 145 and the screw 116 are matched with each other, and the first shaft 119a rotates forward and backward, so that the transmission direction of the variable force can be changed, and the design structure of the asynchronous transmission assembly is ingenious.
Referring to fig. 4, 5 and 7, the sliding slot 131 is disposed in the mounting body 130, the pushing mechanism includes a push rod 141, a sixth spring 115f, a collar 142, a first support 143 and a plurality of third hydraulic rods 117c, the first support 143 is at least partially fixedly disposed in the sliding slot 131, one end of the first support 143 in the sliding slot 131 forms a second protrusion 1431 extending along the radial direction of the first support 143, the front end of the push rod 141 has a spike and corresponds to the joint of the first nut half and the second nut half, the collar 142 is disposed on the push rod 141 and is slidably connected with the push rod 141, the sixth spring 115f is disposed between the collar 142 and the push rod 141, the plurality of third hydraulic rods 117c are fixedly disposed on the second protrusion 1431 and between the second protrusion 1431 and the collar 142, a limit ring 1231 is disposed on the sleeve 123, the limit ring 1231 is configured to abut against the second protrusion 1431, when the screw 116 is respectively threadedly engaged with the first nut half and the second nut half, the sleeve 123 and the first shaft 119a gradually move toward the sixth gear 111b, and then can contact with the second protrusion 1431 through the limiting ring 1231, so that the limiting ring 1231 pushes the first support 143 to move toward the sixth gear 111b, according to the above, after the first shaft 119a moves toward the sixth gear 111b for a certain time, the limiting ring 1231 can separate the first half nut and the second half nut by the pushing mechanism.
When the eighth gear 113b moves towards the sixth gear 111b under the restoring force of the third spring 115c, hydraulic oil is supplied to the third hydraulic rod 117c, the asynchronous transmission assembly further comprises an L-shaped bracket 124, a second support body, a fifth spring 115e, an oil pipe 144, a piston and an oil storage cylinder 147, the L-shaped bracket 124 is fixedly connected with the third mounting frame 117b, the oil storage cylinder 147 is arranged on the L-shaped bracket 124, the structure of the second support body is the same as that of the first support body and is formed by two sections of coaxial cylinders with different diameters, the second support body is arranged at one end of the L-shaped bracket 124 in a penetrating manner and is connected with one end of the piston, the fifth spring 115e is arranged on the L-shaped bracket 124 and the second support body in a sleeved manner, the other end of the piston is connected with the oil storage cylinder 147, the oil pipe 144 is respectively communicated with the oil storage cylinder 147 and the plurality of third hydraulic rods 117c, the same structure between the connecting portion 121 and the pushing member 122 may be disposed between the second supporting body and the eighth gear 113b, so that when the eighth gear 113b moves toward the sixth gear 111b, the eighth gear 113b pushes the second supporting body to compress the fifth spring 115e and make the piston enter the oil storage cylinder 147, so as to provide hydraulic oil to the third hydraulic rod 117c, further increase the pushing force of the push rod 141, and facilitate to rapidly separate the first half nut and the second half nut.
Referring to fig. 3 and 4, further, the asynchronous transmission assembly further includes a first spring 115a, a limiting plate 120 and a pushing member 122, the limiting plate 120 is slidably disposed on the input shaft 102 and located on a side of the third mounting frame 118c facing the first mounting frame 118a, the first spring 115a is disposed on the input shaft 102 and located between the third mounting frame 118c and the limiting plate 120, a connecting portion 121 is disposed on the limiting plate 120, the connecting portion 121 has a first inclined surface 1211, the pushing member 122 is disposed on the input shaft 102 and has a second inclined surface 1211 matching with the first inclined surface 1211, and in an initial state, the limiting plate 120 is configured to limit the sleeve 123 from moving toward the third mounting frame 118 c. The stopper plate 120 is located between the sleeve 123 and the third mount 118c, so that in the initial state, the stopper plate 120 can restrict the second hydraulic rod 117b from contacting the eighth gear 113b, that is, when the external power source is operated, the seventh gear 113a and the eighth gear 113b do not contact, but the sixth gear 111b first contacts the fifth gear 111 a. When the external power source is operated, the pushing member 122 gradually contacts the first inclined surface 1211 of the stopper plate 120 through the second inclined surface 1211, so that the stopper plate 120 gradually approaches the third mounting bracket 118c, and the third mounting bracket 118c is prevented from interfering with the movement of the first shaft 119a in the direction of the eighth gear 113 b.
Referring to fig. 1, 2 and 4, according to a second aspect of the present invention, there is provided a sun tracking system, comprising a motor 100, a plurality of rotating brackets 160, a plurality of solar panel mounting brackets 170 and a plurality of the above-mentioned asynchronous transmission assemblies, wherein the solar panel mounting brackets 170 are used for mounting solar panels, the rotating brackets 160 comprise two L-shaped rotating portions 161, the rotating brackets 160 are rotatably connected with a housing 110 through the two rotating portions 161, the solar panel mounting brackets 170 are correspondingly and rotatably arranged on the rotating brackets 160, the motor 100 is connected with one input shaft 102, and two adjacent asynchronous transmission assemblies are connected through the input shaft 102 and the output shaft 103.
In addition, the sun tracking system further comprises a plurality of couplings 101, the motor 100 is connected with the input shaft 102 on the adjacent asynchronous transmission assembly through one coupling 101, and the input shaft 102 and the output shaft 103 between the adjacent two asynchronous transmission assemblies are connected through one coupling 101.
Compared with the mode that one shaft is connected with a plurality of asynchronous transmission assemblies in series, the sun tracking system in the embodiment can enable the plurality of asynchronous transmission assemblies connected in series to work in sequence, and the plurality of shafts are connected in series, so that the service lives of the input shaft 102 and the output shaft 103 can be prolonged, and the maintenance cost is reduced.
The solar tracking system further comprises a first bracket 104 and a second bracket 105, the motor 100 being mounted on the first bracket 104 and the housing 110 being mounted on the second bracket 105.
It should be noted that, in the actual use process, the motor 100 may be turned on and off once every certain period of time, so that the solar panel mounting bracket 170 can face the sun approximately at a right angle, thereby sufficiently receiving the light.
Referring to fig. 6, optionally, the solar tracking system further includes a rotating arm 150 and an elastic member 151, the rotating portion 161 is formed with a cavity structure with one end open, and the rotating portion 161 is provided with a through hole extending from a radial surface of the rotating portion 161 into the cavity structure, that is, the through hole extends in a radial direction of the rotating portion 161, the rotating arm 150 is rotatably disposed on an inner surface of the cavity structure, the elastic member 151 is respectively connected with one end of the rotating arm 150 and the inner surface of the cavity structure, the first mounting bracket 118a is provided with a mounting hole, the mounting hole penetrates the first mounting bracket, an axis of the mounting hole is collinear with an axis of the third shaft 119c, the rotating portion 161 is penetrated in the mounting hole, a circumferential inner surface of the mounting hole is provided with a plurality of uniformly distributed limiting grooves 118a1, when the sixth gear 111b and the fifth gear 111a are gradually meshed, the third shaft 119c enters the cavity structure and pushes the rotating arm 150 to rotate, so as to disengage the rotating arm 150 from the limiting groove 118a1, wherein one end of the third shaft 119c facing the rotating part 161 is configured as a sliding part 119c1, and the sliding part 119c1 is configured as a non-cylindrical shape, for example, the sliding part 119c1 may be a quadrangular prism or a hexagonal prism, and accordingly, at least a portion of the cavity structure can be engaged with the sliding part 119c1, such that when the sliding part 119c1 is inserted into the cavity structure, the third shaft 119c can drive the rotating part 161 to rotate, and when the sixth gear 111b and the fifth gear 111a are gradually separated, the third shaft 119c releases the action on the rotating arm 150, and the elastic member 151 pushes one end of the rotating arm 150 into the limiting groove 118a1, so that the rotating arm 150 is inserted into the limiting groove 118a1 to limit the rotation of the rotating part 161, and thus, when the sixth gear 111b is separated from the fifth gear 111a, the rotating arm 150 can limit the rotation of the rotating bracket 160, to position the rotational bracket 160 to maintain the rotational bracket 160 in correspondence with the sun.
According to a third aspect of the invention, there is provided a photovoltaic power generation system comprising the solar tracking system described above.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An asynchronous transmission component, which is characterized by comprising a shell with a containing space, a first switch device, a first gear, a second switch device, a third gear, a fourth gear, a first shaft, a second shaft, a third shaft, an input shaft and an output shaft, wherein the input shaft at least partially penetrates through one end of the shell, the output shaft at least partially penetrates through the other end of the shell, the second shaft and the third shaft are both rotatably arranged in the containing space and are parallel to the input shaft, the first shaft is movably and rotatably arranged between the second shaft and the third shaft, the first switch device comprises a fifth gear and a sixth gear, the fifth gear is sleeved on the input shaft, the sixth gear is sleeved on the third shaft, and the first gear is sleeved on the input shaft, the second gear is sleeved on the first shaft and meshed with the first gear, the second switch device comprises a seventh gear and an eighth gear, the seventh gear is sleeved on the input shaft, the first gear is positioned between the fifth gear and the seventh gear, the eighth gear is sleeved on the second shaft, the third gear is sleeved on the output shaft, and the fourth gear is sleeved on the second shaft and meshed with the third gear;
the asynchronous transmission assembly has a first position in which the first shaft moves in a direction toward the sixth gear to urge the sixth gear into engagement with the fifth gear, and a second position in which the first shaft moves in a direction toward the eighth gear to urge the eighth gear into engagement with the seventh gear while the sixth gear and the fifth gear are disengaged.
2. The asynchronous transmission assembly according to claim 1, further comprising a first mounting frame, two oppositely arranged third mounting frames and two oppositely arranged fourth mounting frames, wherein the first mounting frame, the third mounting frames and the fourth mounting frames are all arranged in the accommodating space, the input shaft sequentially penetrates through the casing, the first mounting frame and the two third mounting frames to extend into the accommodating space, two ends of the second shaft respectively penetrate through the two fourth mounting frames, and the third shaft penetrates through the first mounting frame and at least partially extends into the casing.
3. The asynchronous drive assembly according to claim 2, further comprising a first hydraulic rod disposed at one end of the first shaft and a second hydraulic rod disposed at the other end of the first shaft.
4. The asynchronous transmission assembly according to claim 3, further comprising a second mounting frame, a mounting body, a screw, a nut, a pushing mechanism, two guide rods and two seventh springs, wherein the mounting body is disposed on the second mounting frame, the nut comprises a first half nut and a second half nut which are disposed in the mounting body and can be opened and closed, the screw is disposed between the first shaft and the first hydraulic rod, the two guide rods are fixedly disposed through the mounting body in the up-down direction, the seventh springs are sleeved on the guide rods in a one-to-one correspondence manner and are located between the first half nut and the inner wall of the mounting body, and the pushing mechanism is at least partially disposed on the mounting body to push the first half nut and the second half nut to be separated.
5. The asynchronous transmission assembly according to claim 4, further comprising a sleeve fixed to said first shaft and having a side facing said second gear forming a first protrusion extending radially along said first shaft, and a second spring fitted over said sleeve and located between said first protrusion and said mounting body for urging said sleeve in a direction toward said seventh gear.
6. The asynchronous transmission assembly according to claim 5, wherein a sliding groove is arranged in the mounting body, the pushing mechanism comprises a push rod, a sixth spring, a collar, a first supporting body and a plurality of third hydraulic rods, the first supporting body is at least partially fixedly arranged in the sliding groove, one end of the first supporting body, which is positioned in the sliding groove, forms a second boss extending along the radial direction of the first supporting body, the front end of the push rod is provided with a spine part and corresponds to the joint of the first half nut and the second half nut, the collar is sleeved on the push rod and is in sliding connection with the push rod, the sixth spring is arranged between the collar and the push rod, and the plurality of third hydraulic rods are fixedly arranged on the second boss and are positioned between the second boss and the collar;
the sleeve is fixedly sleeved with a limiting ring, and the limiting ring is used for being abutted against the second protruding part.
7. The asynchronous transmission assembly according to claim 5, further comprising a first spring, a limiting plate, and a pushing member, wherein the limiting plate is slidably sleeved on the input shaft and located on one side of the third mounting frame facing the first mounting frame, the first spring is sleeved on the input shaft and located between the third mounting frame and the limiting plate, the limiting plate is provided with a connecting portion, the connecting portion is provided with a first inclined surface, and the pushing member is sleeved on the input shaft and provided with a second inclined surface matching with the first inclined surface;
the limiting plate is used for limiting the sleeve to move towards the third mounting frame.
8. A sun-tracking system, comprising a motor, a plurality of rotating supports, a plurality of solar panel mounting supports and a plurality of asynchronous transmission assemblies according to any one of claims 2 to 7, wherein each rotating support comprises two L-shaped rotating parts, each rotating support is rotatably connected with a shell through the two rotating parts, the solar panel mounting supports are arranged on the rotating supports in a one-to-one correspondence mode and can be rotatably arranged, the motor is connected with one input shaft, and two adjacent asynchronous transmission assemblies are connected through the input shaft and the output shaft.
9. The solar tracking system of claim 8, further comprising a rotating arm and an elastic member, wherein the rotating portion is formed with a cavity structure with an opening at one end, the rotating portion is provided with a through hole extending from a radial surface of the rotating portion to the cavity structure, the rotating arm is rotatably disposed on an inner surface of the cavity structure, the elastic member is respectively connected to one end of the rotating arm and the inner surface of the cavity structure, the first mounting bracket is provided with a mounting hole, the rotating portion is inserted into the mounting hole, a circumferential inner surface of the mounting hole is provided with a plurality of uniformly distributed limiting grooves, and when the sixth gear and the fifth gear are gradually engaged, the third shaft enters the cavity structure and pushes the rotating arm to rotate so as to separate the rotating arm from the limiting grooves, when the sixth gear and the fifth gear are gradually separated, the third shaft releases the action on the rotating arm, and the elastic piece pushes one end of the rotating arm to enter the limiting groove, so that the rotating arm extends into the limiting groove to limit the rotation of the rotating part.
10. A photovoltaic power generation system comprising the solar tracking system of claim 8 or 9.
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| CN202010816710.7A CN111734805B (en) | 2020-08-14 | 2020-08-14 | Asynchronous transmission assembly, sun tracking system and photovoltaic power generation system |
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| CN202010816710.7A CN111734805B (en) | 2020-08-14 | 2020-08-14 | Asynchronous transmission assembly, sun tracking system and photovoltaic power generation system |
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Effective date of registration: 20201117 Address after: 550003 Huaxi Road, Nanming District, Guizhou, No. 1, No. Applicant after: POWERCHINA GUIZHOU ENGINEERING Co.,Ltd. Address before: 611731 89 cooperation Road, hi tech Zone, Sichuan, Chengdu Applicant before: Futaijin (Chengdu) Technology Co., Ltd Applicant before: POWERCHINA GUIZHOU ENGINEERING Co.,Ltd. |
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