CN112217462A - Folding telescopic photovoltaic support - Google Patents
Folding telescopic photovoltaic support Download PDFInfo
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- CN112217462A CN112217462A CN202011076005.4A CN202011076005A CN112217462A CN 112217462 A CN112217462 A CN 112217462A CN 202011076005 A CN202011076005 A CN 202011076005A CN 112217462 A CN112217462 A CN 112217462A
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- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical group Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims abstract description 43
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 38
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 5
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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
- H02S30/00—Structural details of PV modules other than those related to light conversion
- H02S30/20—Collapsible or foldable PV modules
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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
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
- F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S2025/01—Special support components; Methods of use
- F24S2025/012—Foldable support elements
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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
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- Mechanical Engineering (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transmission Devices (AREA)
Abstract
A folding telescopic photovoltaic bracket comprises a basic load-bearing welding main structure frame; a retraction functional mechanical structure component; the telescopic rhombic structure assembly directly bears the photovoltaic panel; the basic load-bearing structural body comprises: welding a framework; covering a sheet metal part outside; a heat preservation module; receive and release functional structure subassembly includes: the device comprises a wall plate, a through long transmission shaft, an auxiliary guide rail groove, a cross-shaped auxiliary guide sliding block, a worm gear speed reducer, a main bearing of a rhombic support structure, a synchronous guarantee thrust screw rod, two groups of parallel rails, an 'L' -shaped main bearing sliding block roller and a fixing joint of the rhombic support structure, wherein the wall plate is a retractable functional structure assembly; the two ends and the center of the structural frame in the length direction are respectively provided with a retractable functional structural assembly, the length direction of the main structural frame and the center of the retractable functional structural assembly wallboard penetrate through a through long shaft to serve as a power transmission worm shaft, and the turbine worm speed reducer and the transmission worm shaft are engaged with each other in the retractable functional assembly wallboard.
Description
Technical Field
The invention relates to a photovoltaic support, in particular to a folding telescopic photovoltaic support.
Background
The solar photovoltaic module is wide and mature in benefit, a foldable and telescopic structure is needed for a high-power movable module to be transported conveniently, and no mature solution is available at present.
CN2016108966404 discloses a solar photovoltaic board support synchronization regulation mechanism is supported at multiple spot, including the rocking handle, the transmission lead screw, the sleeve, folding mechanism, the solar energy fixed bolster, solar energy fixed bolster leg and dead lever, rocking handle and transmission lead screw rigid coupling, the other end of transmission lead screw and the muffjoint that the preparation has the internal screw thread, folding mechanism overlaps the one end that the transmission lead screw is close to the rocking handle, folding mechanism overlaps in the sleeve outside, folding mechanism and folding mechanism one end are articulated with solar energy fixed bolster leg, the other end is articulated with the solar energy fixed bolster, solar energy fixed bolster top is provided with the dead lever of fixed solar photovoltaic board. The invention has simple structure and convenient installation, and can manually adjust the angle according to seasons.
CN2016109618441 discloses a collapsible support of accomodating photovoltaic board, including a pair of longitudinal slide rail (very long) that sets up side by side (although can fold, and portable and transportation), the upper portion of longitudinal slide rail slides and is provided with two horizontal slide rails that the structure is the same, the lower part of horizontal slide rail is provided with the type of falling T slider, the type of falling T slider and the recess sliding fit on the horizontal slide rail, two tip of horizontal slide rail articulate there is the extension slide rail, be provided with 2 supports on the horizontal slide rail, connect through telescopic connection pole between 2 supports, the support is type of calligraphy, its lower part is provided with four walking pulleys, the upper portion of support is provided with lift actuating mechanism. The photovoltaic panel is supported and fixed through the four supporting plates, and one large photovoltaic panel is divided into four small panels, so that the output voltage of the photovoltaic panel can be more flexible, and various occasions with power generation voltage requirements can be met; in addition, the photovoltaic panel can be folded and stored, and the photovoltaic panel can be stored when the weather condition is poor.
CN2017106769069 discloses a foldable photovoltaic support, which comprises a support, a pair of bases arranged at the front end and the rear end below the support, and a pair of sub-supports hinged at the left side and the right side of the support, wherein a pair of hinge mechanisms is arranged at the top of the base, the support is hinged at the top end of the base through the hinge mechanisms, a pair of meshed main gears is arranged on the base at the front end of the support, one main gear is connected with a driving mechanism, the support and the sub-supports are connected through hinge shafts, the front end of the hinge shafts is connected with a sub-gear, the main gear and the sub-gear are connected through chains, the base comprises a pair of parallel supporting rods and a supporting rod vertically connected between the two supporting rods, and an air cylinder is arranged below the supporting rod. The photovoltaic panel is small in occupied area and convenient to disassemble and assemble, rain and snow can be shielded, and the damage rate of the photovoltaic panel is reduced. But the area of the folded photovoltaic panel is limited.
Disclosure of Invention
The invention aims to provide a folding telescopic photovoltaic support which is convenient for vehicle transportation and can load a large-area photovoltaic panel (the width of the load-bearing support does not exceed the width of a transportation vehicle and can be unfolded by hundreds of square meters), and the length of the folding telescopic photovoltaic support also conforms to the transportation of motor vehicles.
The technical scheme of the invention is that the folding telescopic photovoltaic bracket comprises a basic load-bearing welding main structure frame; a retraction functional mechanical structure component; the telescopic rhombic structure assembly directly bears the photovoltaic panel; the basic load-bearing structural body comprises: welding a framework; covering a sheet metal part outside; and a heat preservation module. Receive and release functional structure subassembly includes: receive and release functional structure subassembly wallboard, lead to long transmission shaft, supplementary positive track groove, cross supplementary positive slider, turbine worm speed reducer machine, rhombus supporting structure owner and hold, the synchronous assurance thrust lead screw, two sets of parallel tracks, "L" type owner bearing slider gyro wheel, rhombus supporting structure fixed knot.
The two ends and the center of the main body structure frame in the length direction are respectively provided with a retractable functional structure assembly, the length direction of the main body structure frame and the center of the retractable functional structure assembly wallboard penetrate through a through long shaft to serve as a power transmission worm shaft, the turbine worm speed reducer and the transmission worm shaft are meshed in the retractable functional structure assembly wallboard, and each turbine worm speed reducer outputs two lead screws extending towards the left side and the right side. An upper horizontal direction track and a lower horizontal direction track are arranged in each wall board with a retractable functional structure assembly, and a pair of L-shaped load sliding blocks respectively slide in the two horizontal direction tracks. The front ends of the two screw rods are respectively fixed relative to one part of the pair of L-shaped load-bearing slide blocks, the screw rods do not rotate in the process of extension and closure, and the nuts rotate to push the screw rods to move. When the left side and the right side of the screw rod extend, the L-shaped sliding block is driven to slide towards the left side and the right side in the track; the diamond-shaped structural component consists of 3-10 groups of asymmetrical diamond-shaped support structural members.
3-10 groups of X arms are connected together through loose pin shafts to form 3-10 groups of diamond-shaped supports, the X arm cross part is a central pin shaft 4-1, and four end points of the X arm are support node pin shafts 4-2; the upper and lower end points on the right side of the left X arm are movably connected with the upper and lower end points on the left side of the right X arm through a bracket node pin shaft 4-2; the 3-10 groups of diamond-shaped supports are provided with a left group and a right group; the front ends of the L-shaped load-carrying sliding blocks are provided with pin shaft sleeves which are movably fixed with a central pin shaft 4-1 at the crossing part of the X arm at the front of the left side and the right side;
the auxiliary guide track groove is arranged at the center of a bearing support which is vertically fixed, a pair of cross-shaped auxiliary guide sliding blocks slide up and down in the auxiliary guide track groove, the cross-shaped auxiliary guide sliding blocks are provided with roller wheels or pin shaft sleeves at four ends of a cross, the roller wheels at the upper end and the roller wheels at the lower end are limited in the auxiliary guide track groove to enable the cross-shaped auxiliary guide sliding blocks to slide up and down, the left roller wheels or the pin shaft sleeves of the pair of upper cross-shaped auxiliary guide sliding blocks and the right roller wheels or the pin shaft sleeves of the pair of upper cross-shaped auxiliary guide sliding blocks and the lower cross-shaped auxiliary guide sliding blocks are protruded out of the auxiliary guide track groove, and the; the roller or the pin shaft sleeve is movably connected with the pin shaft of the bracket node; at least three groups of bearing supports are provided with three groups of parallel 3-10 groups of rhombic supports, and cross rods are erected on the parallel rhombic supports or photovoltaic panel assemblies are directly erected on the parallel rhombic supports; the photovoltaic panel component is unfolded and stretched by unfolding and stretching the parallel rhombic brackets.
The width of the basic bearing structure, the length of the retractable functional structure assembly and the size of the closed bracket do not exceed the width of the vehicle. The bearing force bearing fulcrum of the rhombic support structure can move outwards from the center to the outer side of the L-shaped main bearing slide block. The auxiliary guide rail groove, the cross auxiliary guide sliding block, the worm and gear speed reducer, the diamond-shaped support structure, the synchronous guarantee thrust screw rod, the two parallel rails, the 'L' -shaped main bearing sliding block and the 'L' -shaped main bearing sliding block roller.
2-6 groups (especially three groups) of bearing supports are provided with worm and gear reducers, synchronous worm shafts (matched with a special reduction gearbox to drive the worm shafts to rotate and drive the reducers) and a through long shaft penetrates through the three reduction gearboxes, and transverse torque is transmitted out by a screw rod after the reduction and the reversing of the reduction gearbox.
The (worm gear and worm) speed reducer comprises a worm 11 (also called a worm shaft or a driving screw rod), two worm gears 13 and 13-1, screw rod sleeves 14 and 14-1, screw rods 15 and 15-1, left and right parallel rectangular mounting plates 12 and 12-1 and a shaft seat; the center of each worm wheel is extended to the end part to form an integrated screw rod sleeve, and a meshed screw rod is arranged in the screw rod sleeve; the upper and lower (or left and right) positions of the driving screw rod are respectively provided with a worm wheel which is driven by meshing; the device is provided with a pair of fixed left and right parallel rectangular plates, two pairs of parallel shaft seats are arranged on the parallel rectangular plates, and each pair of shaft seats is respectively provided with a screw rod sleeve to provide a rotatable support for the screw rod sleeve; a worm wheel outside the screw rod sleeve is meshed with a worm; the working process is as follows: the worm is driven by a motor to actively rotate, the worm 11 (also called as an active lead screw) drives a worm wheel to rotate in the direction vertical to the worm, the worm wheel is driven in the direction vertical to the worm, the center of the worm wheel is provided with a lead screw nut, and a meshed lead screw is arranged in the lead screw nut; the driving screw rod is provided with two meshed driving worm gears up and down and is provided with a pair of fixed left and right parallel rectangular plates, two pairs of parallel bearings are arranged on the parallel rectangular plates, and a rotary screw rod nut is arranged in each pair of bearings to provide rotatable supporting force for the screw rod nut; the left and right parallel rectangular plates may be mounted within a metal casing.
The upper side and the lower side of a basic bearing structure main body are provided with lithium battery placing sealed cabins 2, a functional mechanical transmission assembly 3, a rhombic bracket assembly 4, a photovoltaic assembly 5, a support column 6 of a bearing bracket, an auxiliary guide track groove 7, a cross-shaped auxiliary guide sliding block 7-1, a long shaft 8, a driving motor and a speed reducer 9, a worm and gear speed reducer 10 and a basic bearing welding main body 1, wherein the basic bearing welding main body comprises the lithium battery placing sealed cabins 2, and the lower part of the inner side of the functional mechanical transmission assembly 3 is placed.
The width is respectively expanded to the left wing and the right wing by 8 meters, and the length of the automobile carriage can also reach 8 meters to 10 meters (for example, the automobile carriage can be designed to be longer during transportation of a flat car). The large area of the spread can greatly increase the power.
The retraction structure is provided with 4-10 groups of synchronous screw rods matched with a special reduction gearbox, and meanwhile, a through long shaft penetrates through three groups of reduction gearboxes, and transverse torque is transmitted out by the screw rods after the speed reduction and the direction change of the reduction gearboxes. Because the electricity generation photovoltaic module comprises 4 groups of asymmetric rhombus support structural components, if 4 groups of rhombus support structural components can not guarantee to have higher synchronism, can lead to photovoltaic module to receive external stress to pull and lead to the damage. Use this novel structure can guarantee that 4 groups of rhombus supporting structure spare can both guarantee the same extension distance and the same rate of extension at same time point, and rhombus supporting structure spare keeps fairly high ride comfort at the extension in-process, has characteristics such as the noise is little simultaneously. The central pin shaft 4-1 of the diamond-shaped support and the node pin shaft 4-2 of the diamond-shaped support are main bearing stress points of the structure, and the hole positions of the 4-3 arm holes 4-4 of the diamond-shaped support arms are designed in a special mode.
The retractable structure adopts a structure of double L-shaped load-bearing sliding blocks (bearing arms) and horizontal sliding rails, the L-shaped load-bearing sliding blocks bear the load on the horizontal sliding rails, the L-shaped load-bearing sliding block structural member is made of a national high-strength steel plate Q1100D material, the dimension in the figure 4 is taken as reference, so that when the rhombic support structural member is completely extended, the stress point of the transverse maximum tensile force F max of the rhombic support caused by the action of gravity is deviated to the outer side by about 1.5m from the central position, and the L-shaped load-bearing sliding blocks (bearing arms) extend to the left and right by about 1.5 m. The force arm of gravity is greatly reduced, the gravity is reduced, and the tensile force F max is reduced from two aspects, so that the size of the diamond structural member can be reduced as much as possible after the diamond structural member is contracted, the space of the vehicle-mounted car is saved, the weight is reduced, and the whole car is light.
The invention designs a novel worm and gear reversing reduction box, which consists of a worm, two worm gears, two lead screw nuts and 4 tapered roller bearings (seats), wherein an input shaft is a worm (namely a driving lead screw), power can be input into two ends of the worm shaft of the input shaft, the end parts of the two worm gears which are hollow worm gears are provided with the lead screw nuts, the worm gears are driven to rotate after the input shaft is subjected to torque, the nuts at the end parts of the worm gears rotate while reversing and decelerating are realized, and when the worm gears rotate, the two lead screws (which can be ball lead screws) at the end parts of the worm gears can be pushed to move in opposite directions towards the two ends of the lead screws at the same speed when the lead screws passing through the worm gears do not rotate (can not rotate, and the end parts are. The gear transmission mechanism has the advantages of small occupied space, large bearing torque, large reduction ratio, low noise and the like.
The novel cross guide module is used and comprises two sets of auxiliary guide track grooves matched with two cross sliding blocks, 4 needle roller bearings can be assembled on the cross sliding blocks, the freedom degree of rhombic structural parts on two sides can be limited, the rhombic supports on two sides can only extend towards opposite directions on two sides, and the complete symmetry of two sides is kept in the extending process.
The invention comprises the following innovative technical points (brief description):
the rhombus bracket component extends from the middle of the carriage to two sides, and for the stress stability of structure unfolding, the rhombus bracket structural component is formed by structural members with different widths, the width of the structural member is narrower towards the outer side, and the thickness of the structural member is thinner.
Secondly, 3 bearing mounting holes in a single diamond-shaped structural member adopt the latest asymmetric structural design, namely the three full-roller-pin overweight-load inner-ring-free roller bearings are adopted, and the diamond-shaped structural member main body adopts Q1100D high-strength structural steel GCr15 bearing steel surface high-frequency quenching; the position of dead eye is not on a straight line and the distance is also inequality, and the direct benefit that brings like this is that the interval between the closed back photovoltaic board of rhombus structure is inequality, and the rhombus support extends towards the left and right sides by the carriage in the middle of, and the interval between the photovoltaic board is just shorter more toward outside. The space waste caused by the stout of the inner side structural member is avoided.
The GCr15 bearing steel and a high-strength steel plate national standard Q1100D material are welded by the structural component for the first time by adopting a special welding material, the hard bearing steel GCr15 material is used as a bearing inner ring, and a full-roller-needle overweight-load inner-ring-free roller bearing is assembled, so that the space waste caused by the bearing inner ring is saved, the structural component can bear 5-12 tons of shearing force, and the rotating friction force is very small.
The power element and electric control part structure point: this structure adopts three-phase asynchronous machine as the power supply, utilizes the hold-in range to drive logical major axis with band pulley or direct reduction gear, is evenly transmitted out horizontal moment by the multiunit lead screw after a plurality of reduction gear speed reduction commute to keep fairly high continuity and synchronism between the rhombus supporting structure spare that guarantees the multiunit is parallel. The limit switches are respectively arranged at the opening and closing two ends, the collision block touches the limit switches to automatically break off all actions, and then the electric control system controls the motor to turn over, so that the one-key automatic opening and closing function can be realized, and the automatic opening and closing device is convenient to operate, safe and reliable.
The rectangular storage battery box is arranged and can contain high-capacity energy storage batteries, and the storage batteries can only reach an area along with a vehicle.
The invention relates to a mechanical structure with a retraction and release function, which is mainly characterized in that a cross-shaped auxiliary guide sliding block is arranged in an auxiliary guide rail groove, a worm gear speed reducer can output a screw rod which synchronously ensures thrust, and a main bearing stress point of a diamond support structure can adopt a multi-hole-site special design hole site and is an asymmetric diamond support; the full-length power transmission shaft provides power for the turbine worm speed reducer, 6 groups of synchronous screw rods are matched with special reduction boxes, meanwhile, a full-length shaft penetrates through the three groups of reduction boxes, and transverse torque is transmitted out by the screw rods after the speed reduction and the direction change of the reduction boxes. Because the electricity generation photovoltaic module comprises 4 groups of asymmetric rhombus support structural components, if 4 groups of rhombus support structural components can not guarantee to have higher synchronism, can lead to photovoltaic module to receive external stress to pull and lead to the damage. Use this novel structure can guarantee that 4 groups of rhombus supporting structure spare can both guarantee the same extension distance and the same rate of extension at same time point, and rhombus supporting structure spare keeps fairly high ride comfort at the extension in-process, has characteristics such as the noise is little simultaneously.
The L-shaped main bearing slide block and the L-shaped main bearing slide block roller can bear torque. Adopt two "L" type load slide rail structure, L type structure adopts the preparation of national high-strength steel board Q1100D material to form, can make the rhombus structure when whole is stretched out, the horizontal maximum pulling force F max stress point of rhombus support that receives the action of gravity to incline to the outside about 1.5m from the central point, the arm of force of gravity has been reduced greatly, gravity also reduces thereupon, pulling force F max has been reduced from two aspects, so the rhombus structure can reduce the space that the size had practiced thrift on-vehicle car as far as possible, reduce weight simultaneously, whole lightweight.
The novel cross guide module is used and comprises two cross slide blocks matched with two sets of auxiliary guide track grooves, 4 needle bearings are assembled on the cross slide blocks, the freedom degree of diamond-shaped structural parts on two sides can be limited, the diamond-shaped supports on two sides can only extend towards opposite directions of two sides, and the complete symmetry of two sides is kept in the extending process.
The diamond-shaped bracket structure component formed by the X arms adopts special welding materials to weld GCr15 bearing steel and a high-strength steel plate national standard Q1100D material for the first time, the hard bearing steel GCr15 material is used as a bearing inner ring, a full roller bearing overweight load non-inner ring roller bearing is assembled, space waste caused by the bearing inner ring is saved, the structural component can bear 5-12 tons of shearing force, and the rotating friction force is very small. The rhombus support component extends from the middle of the carriage to two sides, and for the stress stability of structure expansion, the rhombus support structure component is formed by structural members with different widths, the width of the structural member towards the outer side is narrower, and the thickness of the structural member is thinner (the bearing force of the outer side and the edge is smaller). The latest asymmetric structural design is adopted in 3 bearing mounting holes on a single diamond-shaped structural member, namely the positions of the three bearing holes are not on the same straight line and the distances are different, so that the direct advantage brought about is that the distances between the photovoltaic panels are unequal after the diamond-shaped structural member is closed, the diamond-shaped support extends from the middle of the carriage to two sides, and the distances between the photovoltaic panels are shorter. The space waste caused by the stout of the inner side structural member is avoided.
Has the advantages that: the device (a new energy photovoltaic bracket capable of being stretched and retracted by one key) can realize the one-key unfolding and closing functions of the photovoltaic module by using a special mechanical transmission and guide structure, and can be realized by simple operation in the using process. The device adopts a motor to drive the extension and closing process, the action is smooth, and the opening and closing process can be realized in a very short time. Photovoltaic module installs in the middle of four group's rhombus supporting structure, and the installation is swift convenient. And the equipment has good high and low temperature resistance, can still ensure the normal operation of the equipment in extremely cold areas at high altitude, has good wind resistance level, and is rain-proof and lightning-proof. The whole machine is designed through light weight, and high-strength structural steel national standard Q1100D is used as a material of a main structural member, so that the weight can be greatly reduced on the premise of ensuring the structural strength. The speed reducer adopts a worm and two turbines, two screw rod nuts and a tapered roller bearing arranged on a shaft seat, an input shaft is the worm, power can be input at two ends of the shaft, the two turbines are hollow turbines, the end parts of the two turbines are provided with the nuts, the turbines are driven to rotate after the input shaft is subjected to torque, the nuts at the end parts of the turbines rotate while the reversing speed reduction is realized, and when the screw rods passing through the inner part of the speed reducer do not rotate, the two screw rods can be pushed to move in a translation manner in opposite directions at the same speed. The gear transmission mechanism has the advantages of small occupied space, large bearing torque, large reduction ratio, low noise and the like.
The space occupied by the closed bracket and other mechanical structures is only about 1/8 when the bracket is unfolded, the unfolded width of the bracket is 16 meters in the above figure, the width after the bracket is closed is only 2.1 meters, and the length and the width of the equipment can be correspondingly changed according to the number of the photovoltaic modules loaded actually and different specifications. The photovoltaic module can be loaded in a conventional military vehicle or a civil truck car after being closed, can arrive at a designated place along with the vehicle, can generate electricity after being unfolded by one key, is convenient for supplying electric energy in different places, and is also used for occasions requiring mobile power supplies, such as field scientific investigation, communication temporary arrangement of power supplies, emergency rescue and relief work, desert polar regions and the like.
Drawings
FIG. 1 is a schematic view of the present invention in its expanded configuration; the arrow is the abduction direction;
FIG. 2 is a schematic view of a deployed diamond stent assembly according to the present invention;
FIG. 3 is a schematic view of the invention after shrinkage;
FIG. 4 is a schematic structural view of a basic load-bearing welded body 1 of the component of the present invention; the width is respectively expanded to the left wing and the right wing by 8 meters, and the length of the automobile carriage can also reach 8 meters to 10 meters (for example, the automobile carriage can be designed to be longer during transportation of a flat car). The output power can meet the requirement if the unfolded area is large.
FIG. 5 is a schematic structural view of the super long shaft power transmission of the present invention; the structure is provided with 4-10 groups of synchronous screw rods matched with a special reduction gearbox, and simultaneously, a through long shaft penetrates through three or more groups of reduction gears to serve as driving force.
FIG. 6 is a schematic structural view of the "L" shaped main load-bearing slider and the slide rail of the present invention opening the rhombic bracket assembly on the bracket;
FIG. 7 is a schematic illustration of the back side structure of FIG. 6 of the present invention (but with the speed reducer not shown);
FIG. 8 is a schematic view of the structure of the screw-driven telescopic dual-screw reducer and the transmission of the present invention.
FIG. 9 is an illustration of the structure of the diamond shaped stent of the present invention.
Detailed Description
As shown in fig. 1-2: the bottom of the device is provided with a basic load-bearing welding main body 1. The part is equipped with upper cover plate and door plant and adopts aluminum plate to make, and sealed storehouse 2, the very big whole weight that lightens are placed to the lithium cell, and built-in heat preservation cotton can guarantee that battery and other electrical control part still can normally work in high altitude extremely cold district. The aluminum door plate is arranged with the sealing upper cover plate, and the steel welding main body frame is internally provided with heat preservation cotton. Above the apparatus are provided: rhombic bracket component 4, photovoltaic component and folding and unfolding functional mechanical transmission component 3
The mechanical transmission assembly 3 with the retractable function comprises: a diamond bracket component 4, a photovoltaic component 5, a support post 6 of a bearing bracket, an auxiliary guide track groove 7, a cross-shaped auxiliary guide slide block 7-1, a long shaft 8, a driving motor and a speed reducer 9, a turbine worm speed reducer 10,
The worm long shaft transmission device comprises a long shaft 8, a support 9-2, a motor reducer 9 and a shaft seat 9-1; the center of the long shaft is arranged on a shaft seat on the support, and an output synchronous belt wheel of the motor reducer is connected with a belt wheel fixed on the long shaft; a worm 11 (a small section of worm insection can be processed on the long shaft) is fixed at 2-6 positions on the long shaft, and the worm is directly a driving worm of 2-6 groups of worm and gear speed reducers; 2-6 groups of worm and gear speed reducers (particularly three groups) are arranged in the retraction functional structural assembly, and the speed reducers have the same height as the shaft seats; or the speed reducer and the shaft seat are integrated.
The worm gear speed reducer comprises a worm (also called a driving screw), two worm gears 13 and 13-1, two screw rod sleeves 14 and 14-1 (also called screw rod nuts), screw rods 15 and 15-1, left and right parallel rectangular mounting plates 12 and 12-1 and a shaft seat; the center of each worm wheel is extended to the end part, the inner cavity of each worm wheel is a screw rod sleeve which is an integrated worm wheel screw rod sleeve, and a meshed screw rod (can be a ball screw rod) is arranged in the screw rod sleeve; the upper and lower (or left and right) positions of the driving worm are respectively provided with a worm wheel which is driven by meshing; a pair of fixed left and right parallel rectangular plates are fixed, two pairs of parallel shaft seats are arranged on the parallel rectangular plates, and each pair of shaft seats is respectively provided with a worm wheel screw rod sleeve which can provide a rotatable support for the screw rod sleeve; two ends of two screw rod sleeves are respectively installed and fixed on two pairs of 4 shaft seats on the left and right parallel rectangular plates, and worm wheels outside the screw rod sleeves are meshed with worms; the working process is as follows: the worm rotates actively, the driving worm (also called driving screw rod) drives the worm wheel to rotate in the direction vertical to the worm, the upper worm wheel and the lower worm wheel are driven in the direction vertical to the worm, and a screw rod sleeve is arranged in the center of the worm wheel and is internally provided with a meshed screw rod; the shaft seat adopts a tapered roller bearing (seat), the input shaft is a worm (namely a driving screw), the upper worm wheel and the lower worm wheel of the input shaft worm shaft can input power, the two turbines are hollow turbines, namely turbines with output screw rod sleeves, and a screw rod nut is arranged in one end part cylinder (the length of which is longer than the height of the turbines) which is prolonged by the turbines; when the worm torque drives the worm wheel to rotate, the worm wheel is rotated while 90-degree reversing and worm wheel speed reduction are realized, the nut at the end part of the worm wheel rotates, and when the worm wheel rotates, the screw rods passing through the inside do not rotate (can not rotate, and the end part is provided with a fixed point to drive the L-shaped sliding block), two screw rods (which can be ball screws) at the meshed end part can be pushed to move in opposite directions to the two ends of the screw rods at the same speed. The gear transmission mechanism has the advantages of small occupied space, large bearing torque, large reduction ratio, low noise and the like. The worm (first screw) turbine input by the speed reducer drives the screw nut.
Referring to fig. 1, 64 photovoltaic modules with an area of about 2 square meters can be loaded, and the power output of the loaded photovoltaic modules is about 22 kw. The structure can be used for installing photovoltaic modules with different quantities and sizes according to different requirements.
FIG. 2 shows a specially designed asymmetric diamond support structure; 2 the single bracket adopts an asymmetrical hole site structure design.
As shown in fig. 2, the left and right pairs of 4, 5 or 6X arms (2 groups of the left and right arms are drawn in the figure) are connected together by loose pins to form 4, 5 or 6 diamond telescopic supports, the left and right pairs of 5 or 6 groups of X arms can be folded and extended simultaneously (the leftmost or rightmost X arm is not a complete X arm, one arm is cut off to form a transverse Y shape, and a photovoltaic panel is convenient to mount), the intersection of the X arms is a central pin 4-1, and four end points of the X arms are support node pins 4-2; the upper and lower end points on the right side of the left X arm are movably connected with the upper and lower end points on the left side of the right X arm through a bracket node pin shaft 4-2; the front ends of the L-shaped load-carrying sliders are provided with pin shaft sleeves which are respectively movably fixed with the intersection of the second X-shaped arms in the left front and the right front, namely the central pin shaft 4-1, and the forward or backward driving force is at the point.
Integral installation of two pairs of left and right 4, 5 or 6 groups of X arms: the auxiliary guide track groove is vertically fixed at the center of a bearing support (a door-shaped upright post), a pair of cross-shaped auxiliary guide sliding blocks which are distributed up and down slide up and down in the auxiliary guide track groove, two pairs of 2-10 groups of X arms on the left and right are respectively arranged at two sides of the auxiliary guide track groove, the cross-shaped auxiliary guide sliding blocks are structurally characterized in that four ends of each cross-shaped sliding block are respectively provided with a roller and a pin shaft sleeve, the rollers at the upper end and the lower end are limited in the auxiliary guide track groove to enable the cross-shaped auxiliary guide sliding blocks to slide up and down, and the left pin shaft sleeve and the right pin shaft sleeve of the upper cross-shaped auxiliary guide sliding block and the lower cross-shaped auxiliary guide sliding block are; the front ends of the L-shaped load-carrying sliding blocks are provided with pin shaft sleeves which are respectively movably fixed with a central pin shaft 4-1 at the intersection of the left and right front X arms; the upper end and the lower end (two ends of a cross vertical arm) of the cross auxiliary guide sliding block are provided with rollers, and the left end and the right end (two ends of a cross arm and an outward and upward arc arm is unfolded outside a track) of the cross auxiliary guide sliding block are provided with pin shaft sleeves.
The structure adopts a structure of double L-shaped load-bearing sliding blocks (load-bearing arms) and horizontal sliding rails, the center of a load-bearing support 6 penetrates through a vertical through long shaft to serve as a power transmission worm shaft, a turbine worm speed reducer and a transmission worm shaft on each load-bearing support are meshed on the load-bearing supports, and each turbine worm speed reducer outputs two lead screws 15 extending towards the left outer side and the right outer side; an upper rail (a lower rail) and a horizontal rail (a sliding rail) which are parallel to each other are arranged on each bearing support, a pair of L-shaped load-bearing sliding blocks respectively slide in the two rails which are parallel to each other, the front ends of two lead screws are respectively fixed relative to one part of the pair of L-shaped load-bearing sliding blocks (because the lead screws are lost to only translate by a worm gear and do not rotate), and when the left side and the right side of each lead screw extend, the end parts are relatively movably fixed to drive the L-shaped load-bearing sliding blocks to slide towards the left side and the right; the end part of the L-shaped load sliding block drives a central pin shaft 4-1 of the rhombic bracket to move in a translation manner, so that the 4 groups of rhombic bracket structural parts are pushed to stretch;
if the power generation photovoltaic module comprises 4 groups of asymmetric rhombic support structural parts, if the 4 groups of rhombic support structural parts can not ensure higher synchronism, the photovoltaic module can be pulled by external stress to cause damage. Use this novel structure can guarantee that 4 groups of rhombus supporting structure spare can both guarantee the same extension distance and the same rate of extension at same time point, and rhombus supporting structure spare keeps fairly high ride comfort at the extension in-process, has characteristics such as the noise is little simultaneously. The central pin shaft 4-1 of the diamond-shaped support and the node pin shaft 4-2 of the diamond-shaped support are main bearing stress points of the structure, and the hole positions of the 4-3 arm holes 4-4 of the diamond-shaped support arms are designed in a special mode.
At least three groups of parallel 2-10 groups of rhombic supports, and cross bars are erected on the upper arms of the parallel rhombic supports or a photovoltaic panel component is directly erected on the upper arms of the parallel rhombic supports; the photovoltaic panel component is unfolded and stretched by unfolding and stretching the parallel rhombic brackets.
The L-shaped load- bearing sliding blocks 21 and 22 respectively slide on the horizontal sliding rails 23 and 24 in a bearing manner, and the load-bearing sliding blocks can be provided with rollers 25 which are needle bearings and slide on the horizontal sliding rails 23 and 24. The end part of the L-shaped load-bearing sliding block is borne on a support node pin shaft 4-2 (away from the central auxiliary guide track groove) of the front X arm of two X arms, so that the moment can be borne more reasonably, and the far-end photovoltaic panel whip-shaped support can also be borne by the moment of the L-shaped load-bearing sliding block at the parallel slide tracks; the L-shaped load-carrying sliding block structural part is made of a national high-strength steel plate Q1100D material, and by taking the dimension in the figure 2 as reference, when the rhombic bracket structural part is completely stretched, the stress point of the transverse maximum tensile force F max of the rhombic bracket, which is brought by the action of gravity, is deviated to about 1.5m from the central position to the outer side, and the L-shaped load-carrying sliding block (force-bearing arm) is stretched to the left and the right for about 1.5m and is fixed on the central pin shaft 4-1 of the distant rhombic bracket (X-arm intersection) for loose fixation; the force arm of gravity is greatly reduced, the gravity is reduced, and the tensile force F max is reduced from two aspects, so that the size of the diamond structural member can be reduced as much as possible after the diamond structural member is contracted, the space of the vehicle-mounted car is saved, the weight is reduced, and the whole car is light.
The novel cross guide module is composed of an upper cross sliding block and a lower cross sliding block which are matched with two groups of auxiliary guide track grooves, 4 needle bearings are assembled on the cross sliding blocks, the freedom degree of rhombic structural parts on two sides can be limited, rhombic supports on two sides can only extend towards opposite directions of two sides, and the two sides are completely symmetrical in the extending process.
In the photovoltaic panel telescopic diamond structure, an asymmetric diamond support structural member can be specially designed, and a single support is designed in an asymmetric hole site structure. The rhombus support component extends from the middle to two sides, and for the stress stability of structure expansion, the rhombus support structure component is formed by structural members with different widths, the more the width of the structural member towards the outer side is, and the thinner the thickness is.
The bearing mounting holes (multiple bearing mounting holes are arranged on an X arm) of a central pin shaft 4-1 (which can be provided with a needle bearing) and a node pin shaft 4-2 on a single diamond-shaped structural member adopt the latest asymmetric structural design, the bearing holes are provided with the needle bearing which is full of needle rollers and has overweight load and no inner ring, the space waste caused by the inner ring of the bearing is saved, the GCr15 bearing steel and the high-strength steel plate national standard Q1100D material are welded by special welding materials for the first time, the hard bearing steel GCr15 material is used as the inner ring of the bearing, the structural member can bear the shearing force of 5-12 tons, and the rotating friction force is very small. In addition, the positions of the bearing holes are not on the same straight line, and the distances of the bearing holes are also unequal, so that the direct advantage of the method is that the distances between the photovoltaic panels are unequal after the rhombic structural members are closed, the rhombic support extends from the middle of the carriage to the left side and the right side, and the distances between the photovoltaic panels are shorter. The space waste caused by the fact that the inner side structural part is thick (the outer side X arm is thinned) is avoided.
The above embodiments do not limit the present invention in any way, and all other modifications and applications that can be made to the above embodiments in equivalent ways are within the scope of the present invention.
Claims (10)
1. A folding telescopic photovoltaic bracket is characterized by comprising a basic load-bearing welding main structure frame; a retraction functional mechanical structure component; the telescopic rhombic structure assembly directly bears the photovoltaic panel;
the basic load-bearing structural body comprises: welding a framework; covering a sheet metal part outside; a heat preservation module; receive and release functional structure subassembly includes: the device comprises a wall plate, a through long transmission shaft, an auxiliary guide rail groove, a cross-shaped auxiliary guide sliding block, a worm gear speed reducer, a main bearing of a rhombic support structure, a synchronous guarantee thrust screw rod, two groups of parallel rails, an 'L' -shaped main bearing sliding block roller and a fixing joint of the rhombic support structure, wherein the wall plate is a retractable functional structure assembly;
the two ends and the center of the main body structure frame in the length direction are respectively provided with a retractable functional structure assembly, the length direction of the main body structure frame and the center of a retractable functional structure assembly wallboard penetrate through a through long shaft to serve as a power transmission worm shaft, the turbine worm speed reducer and the transmission worm shaft are meshed in the retractable functional structure assembly wallboard, and each turbine worm speed reducer outputs two lead screws extending towards the left side and the right side; an upper horizontal rail and a lower horizontal rail are arranged in each wall plate of the retractable functional structure assembly, and a pair of L-shaped load sliding blocks respectively slide in the two horizontal rails; the front ends of the two screw rods are respectively fixed relative to one part of the pair of L-shaped load-bearing slide blocks, the screw rods do not rotate in the process of extension and closure, and the nuts rotate to push the screw rods to move; when the left side and the right side of the screw rod extend, the L-shaped sliding block is driven to slide towards the left side and the right side in the track; the rhombic structure component consists of 3-10 groups of asymmetrical rhombic bracket structural parts;
3-10 groups of X arms are connected together through loose pin shafts to form 3-10 groups of diamond-shaped supports, the X arm cross part is a central pin shaft, and four end points of the X arm are support node pin shafts; the upper and lower end points on the right side of the left X arm are movably connected with the upper and lower end points on the left side of the right X arm through a bracket node pin shaft; the 3-10 groups of diamond-shaped supports are provided with a left group and a right group; the front ends of the L-shaped load-carrying sliding blocks are provided with pin shaft sleeves which are movably fixed with a central pin shaft at the crossing position of the X arm at the front of the left side and the right side;
the auxiliary guide rail groove is arranged at the center of a bearing support which is vertically fixed, a pair of cross-shaped auxiliary guide sliding blocks slide up and down in the auxiliary guide rail groove, the cross-shaped auxiliary guide sliding blocks are provided with roller wheels or pin shaft sleeves at four ends of a cross, the roller wheels at the upper end and the roller wheels at the lower end are limited in the auxiliary guide rail groove, so that the cross-shaped auxiliary guide sliding blocks slide up and down, the left roller wheels or the pin shaft sleeves of the pair of upper and lower cross-shaped auxiliary guide sliding blocks protrude out of the auxiliary guide rail groove, and the upper and lower cross-shaped auxiliary guide sliding blocks are respectively connected with upper and lower support node pin shafts at the extreme edges of a left group of; the roller or the pin shaft sleeve is movably connected with the pin shaft of the bracket node; at least three groups of bearing supports are provided with three groups of parallel 3-10 groups of rhombic supports, and cross rods are erected on the parallel rhombic supports or photovoltaic panel assemblies are directly erected on the parallel rhombic supports; the photovoltaic panel component is unfolded and stretched when the parallel rhombic brackets are unfolded and stretched; the roller is a needle bearing.
2. The folding telescopic photovoltaic support according to claim 1, wherein the width of the foundation load-bearing structure, the length of the folding functional structure assembly and the size of the closed support do not exceed the width of the vehicle; the bearing stress fulcrum of the rhombic bracket structure can move outwards from the center to the outer side of the L-shaped main bearing slide block; the auxiliary guide rail groove, the cross auxiliary guide sliding block, the worm and gear speed reducer, the diamond-shaped support structure, the synchronous guarantee thrust screw rod, the two parallel rails, the 'L' -shaped main bearing sliding block and the 'L' -shaped main bearing sliding block roller.
3. The folding telescopic photovoltaic support according to claim 1, wherein 2-6 sets of worm reducers with retraction function are arranged, the synchronous worm shaft drives the worm shaft to rotate and drive the reducers through a matched reduction gearbox, a through long shaft penetrates through three reduction gearboxes, and transverse torque is transmitted out through a screw rod after the reduction and the reversing of the reduction gearboxes.
4. The folding telescopic photovoltaic bracket as recited in claim 1, wherein the worm gear and worm reducer comprises a worm, namely a driving screw rod, two worm gears, a screw rod sleeve, a screw rod, a left and right parallel rectangular mounting plate shaft seat; the center of each worm wheel is extended to the end part to form an integrated screw rod sleeve, and a meshed screw rod is arranged in the screw rod sleeve; the upper position and the lower position of the driving screw rod are respectively provided with a worm wheel which is driven by meshing; the device is provided with a pair of fixed left and right parallel rectangular plates, two pairs of parallel shaft seats are arranged on the parallel rectangular plates, and each pair of shaft seats is respectively provided with a screw rod sleeve to provide a rotatable support for the screw rod sleeve; a worm wheel outside the screw rod sleeve is meshed with a worm; the working process is as follows: the worm rotates actively, namely the worm is called as an active screw rod to drive a worm wheel to rotate in the direction vertical to the worm, the worm wheel is driven in the direction vertical to the worm, the center of the worm wheel is provided with a screw rod sleeve, and a meshed screw rod is arranged in the screw rod sleeve; the driving screw rod is provided with two meshed driving worm gears at the upper part and the lower part, a pair of fixed left and right parallel rectangular plates are arranged on the driving screw rod, two pairs of parallel shaft seats are arranged on the parallel rectangular plates, and each pair of shaft seats are respectively provided with a rotary screw rod sleeve to provide a rotatable support for the screw rod sleeve; the left and right parallel rectangular plates may be mounted within a metal casing.
5. The folding telescopic photovoltaic support according to claim 1, wherein lithium battery placing sealed bins are arranged on the upper side and the lower side of the basic bearing structure main body, the functional mechanical transmission assembly, the rhombic support assembly, the photovoltaic assembly, a support column of the bearing support, the auxiliary guide rail groove, the cross-shaped auxiliary guide sliding block, the long shaft, the driving motor and the speed reducer, the worm and gear speed reducer and the basic bearing welding main body are arranged on the lower portion of the inner side of the functional mechanical transmission assembly, and the basic bearing welding main body comprises the lithium battery placing sealed bins.
6. The folding telescopic photovoltaic support according to claim 1, wherein 4 needle bearings are mounted on the cross-shaped sliding block, so that the degree of freedom of the diamond-shaped structural members on both sides can be limited, the diamond-shaped support on both sides can only extend towards opposite directions on both sides, and the complete symmetry of both sides is maintained during the extension process.
7. The folding telescopic photovoltaic support according to claim 1, wherein the asymmetric diamond-shaped support structure extends from the middle of the carriage to two sides, and the distance between the photovoltaic panels is shorter towards the outside; the single bracket adopts an asymmetric hole site structure design; the thickness of the distal diamond-shaped support structure is less than the thickness of the proximal diamond-shaped support structure.
8. The foldable telescopic photovoltaic support according to claim 1, wherein the cross of the X arm of the foldable telescopic photovoltaic support is a central pin 4-1, the four end points of the X arm are support node pins 4-2, hard bearing steel GCr15 is used as a bearing inner ring, and a full-roller overweight load inner ring-free roller bearing is assembled, so that space waste caused by the bearing inner ring is saved, the structural member can bear 5-12 tons of shearing force, and the rotating friction force is very small.
9. The folding telescopic photovoltaic support according to claim 1, wherein a motor is used as a power source, and after the speed reduction and the reversing of the reduction gearbox are carried out, a long shaft, namely a worm, transmits transverse torque out so as to ensure that the rhombic support structural members are kept coherent and synchronous.
10. The folding telescopic photovoltaic support according to claim 1, wherein limit switches are respectively arranged at the opening and closing ends, the collision block is in contact with the limit switches to automatically break all actions, and then the electric control system controls the motor to turn over, so that the function of one-key automatic opening and closing can be realized, and the folding telescopic photovoltaic support is convenient to operate, safe and reliable.
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