CN113399998B - Splicing and transferring method for large heliostats - Google Patents
Splicing and transferring method for large heliostats Download PDFInfo
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- CN113399998B CN113399998B CN202110522138.8A CN202110522138A CN113399998B CN 113399998 B CN113399998 B CN 113399998B CN 202110522138 A CN202110522138 A CN 202110522138A CN 113399998 B CN113399998 B CN 113399998B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
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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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- 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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
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- Y02E10/52—PV systems with concentrators
Abstract
The application relates to the field of photo-thermal power generation, in particular to a splicing and transferring method for a large heliostat, which comprises the following steps: the mirror surface classification line classifies different mirror surfaces and pushes the mirror surfaces to corresponding positions on the splicing rotary table; manually clamping and closing the rapid elbows on the outer sides of the mirror surface units on the splicing rotary table, hoisting the adsorption and transportation mechanism to the position right above the splicing rotary table by a crane, and reliably contacting all suckers of the adsorption and transportation mechanism with the mirror surface after descending; the adsorption transfer mechanism reliably adsorbs all the mirror surfaces, and the travelling crane drives the adsorption transfer mechanism and the spliced mirror surfaces to slowly rise and transfer to the next station; the application can realize the quick splicing, positioning and transferring of various mirror surfaces. The mirror surface splicing rotary table can realize quick splicing, accurate angle alignment and automatic locking of various mirror surfaces, and the positioning columns are aligned quickly.
Description
Technical Field
The application relates to the field of photo-thermal power generation, in particular to a splicing and transferring method for a large heliostat.
Background
The solar photo-thermal power generation technology gradually shows the rationality of the economy and the society along with the rising price of conventional energy, the gradual shortage of resources and the increasingly prominent influence of a large amount of fossil-fired energy on the environment. Solar photo-thermal power generation is a stable and environment-friendly new energy power production technology, and has become a strategic emerging industry which is mainly supported and developed by a plurality of countries around the world.
The photo-thermal power generation technology relates to a large number of heliostats which independently track the sun and are used for reflecting solar radiation to a specified heat absorber and heating a medium in the heat absorber, so that heat energy of a high-temperature medium is utilized for power generation. Therefore, the heliostat is a key component of solar photo-thermal power generation, and in order to improve the light condensation capability of the heliostat, the shape of the mirror surface of the heliostat needs to be strictly controlled, so that the heliostat needs to be installed on a steel structural member, and meanwhile, the strict position degree and the relative position relation of the steel structural member are controlled.
The heliostat is a typical large fragile piece, a plurality of mirror surfaces are required to be assembled into a specific shape and curvature and then assembled and fixed with a steel structure, and the process designs mirror surface cleaning, backing plate bonding, curing, pin installation, mirror surface splicing and transferring, mirror surface and steel structure bonding, driving assembly, surface type detection and the like. A photothermal power station relates to numerous heliostats, and an automatic method capable of realizing the assembling process of the heliostats is urgently needed for improving the production efficiency and controlling the quality.
Disclosure of Invention
In order to solve the problems in the prior art, a splicing and transferring method for large heliostats is provided for realizing automatic splicing, positioning and transferring of mirror surfaces.
In order to achieve the technical effects, the technical scheme of the application is as follows:
a method for splicing and transferring large heliostats is characterized by comprising the following steps:
the method comprises the following steps: the mirror surface classification line classifies different mirror surfaces, the different mirror surfaces are respectively sent to the interfaces of the mirror surface conveying line corresponding to the positions of the mirror surfaces and the splicing rotary table, and the first piece of each type of mirror surface is manually pushed to the corresponding position on the splicing rotary table;
step two: the splicing rotary table rotates to the position of the second piece of each type of mirror surface and the position of the interface of the mirror surface conveying line, and the second piece of each type of mirror surface is manually pushed to the corresponding position on the splicing rotary table;
step three: repeating the second step until all the mirror surfaces on the splicing rotary table are in place;
step four: the rapid toggle clamps on the outer sides of the mirror surface units on the splicing rotary table are manually closed, so that all the mirror surfaces are reliably attached to the limiting stop wheels and are locked.
Step five: the locking mechanism locks the splicing rotary table, and the splicing rotary table keeps static;
step six: the travelling crane lifts the adsorption transfer mechanism to a position right above the splicing rotary table and slowly descends until the adsorption transfer mechanism is matched with the positioning column in place, and all suckers of the adsorption transfer mechanism are reliably contacted with the mirror surface;
step seven: the adsorption transfer mechanism opens vacuum to reliably adsorb all the mirror surfaces and ensure enough vacuum degree;
step eight: waiting for the next station to call materials, manually loosening the quick elbow clamps on the outer sides of the mirror surface units on the splicing rotary table, driving the adsorption transfer mechanism and the spliced mirror surface to slowly rise by the travelling crane, and transferring the mirror surface to the next station; meanwhile, the splicing rotary table also enters the splicing and positioning of the next round of mirror surface.
Step nine: the driving crane accurately carries the adsorption and transfer mechanism together with the spliced mirror surface to the next station, and then returns the adsorption and transfer mechanism to the upper part of the splicing rotary table to prepare for next adsorption and transfer.
The equipment for realizing the method is a large heliostat splicing and transferring system, which comprises a splicing rotary table, a positioning column, a locking mechanism, an adsorption transferring mechanism and a mirror surface conveying mechanism; the splicing rotary table rotates on the track along the central axis of the splicing rotary table, the at least two positioning columns are symmetrically arranged along the central axis of the splicing rotary table, the mirror surface conveying mechanism is aligned to the splicing rotary table, the splicing rotary table is locked by the locking mechanism, the adsorption transfer mechanism is lifted by a travelling crane to move horizontally and lift, and the adsorption transfer mechanism is provided with a positioning sleeve matched with the positioning columns.
Further, the splicing rotary table comprises a central support, a mirror unit, a caster and an annular track; the mirror surface units are distributed around the central support, each mirror surface unit is uniformly connected with the central support, the annular track is arranged at the bottom of each mirror surface unit, and the mirror surface units are provided with trundles which are supported on the annular track;
still further, the central support comprises a support frame, a motor and a speed reducer, wherein a speed reducer shell is fixedly connected with the support frame, the input end of the speed reducer is connected with the motor, the output end of the speed reducer is connected with an output flange plate, and the output flange plate is fixedly connected with the central ends of the plurality of mirror surface units; the plurality of mirror surface units are uniformly arranged around the rotation center of the central support, and the central end of each mirror surface unit is fixedly connected with the output flange plate.
Further, the mirror unit comprises a lower layer supporting frame, a universal roller layer, a quick elbow clamp, a limiting catch wheel and a splicing flange; mirror surface unit passes through the concatenation flange joint on the braced frame of lower floor, and universal gyro wheel layer includes gyro wheel installation roof beam and universal gyro wheel, and gyro wheel installation roof beam is installed on lower floor's frame upper surface, and universal gyro wheel equipartition is on gyro wheel installation roof beam. A plurality of spacing fender wheels have been arranged to mirror surface unit both sides, and a plurality of quick elbows are installed in mirror surface unit's the outside and are pressed from both sides.
Furthermore, the positioning column comprises a supporting upright post, a guide shaft, a proximity switch induction sheet and a buffer pad; the proximity switch response piece is installed at the support post top, with the proximity switch cooperation that corresponds, and the guiding axle is installed at support post top surface central point and is put, blotter and guiding axle coaxial arrangement.
Furthermore, the locking mechanism comprises a supporting seat, an air cylinder, a guide sleeve, a locking sleeve, a proximity switch and an air driving assembly; the supporting seat is provided with an air cylinder and an air driving assembly; the proximity switch is used for a turntable servo positioning trigger signal, the guide sleeve and the locking sleeve are connected with each other and used for being matched with the air cylinder, and the locking sleeve is fixed on the turntable.
Further, different mirror surfaces are classified by the mirror surface classification lines and are respectively conveyed to the mirror surface conveying lines corresponding to the mirror surface positions, and the mirror surface conveying mechanism at least comprises a mirror surface conveying line A and a mirror surface conveying line B. The surface of the mirror surface conveying line is provided with universal rollers.
Further, the adsorption transfer mechanism comprises an adsorption frame, a lifting beam, a stay wire sensor, a positioning beam and a vacuum adsorption system; the absorption frame comprises a plurality of absorption units, and a plurality of absorption units are evenly arranged along the axis of the heliostat, and adjacent absorption units are connected and positioned through connecting flanges. The upper layer of the adsorption unit is provided with at least two lifting beams and a positioning beam, and the adsorption unit is fixedly connected with the lifting beams and the positioning beam.
And furthermore, the lifting beam is distributed at the gravity center symmetrical position of the whole mirror surface, lifting rings are provided with lifting ring screws and stay wire sensors, the lifting rings are respectively driven by lifting motors, and the lifting motors are matched with stay wire encoders to ensure that lifting points synchronously lift.
Furthermore, the locating beam passes through the axle center of the adsorption transfer mechanism, shaft sleeves are installed at two ends of the locating beam and matched with pin holes in the locating column, and proximity switches are installed on the outer side of the locating beam shaft sleeves.
Furthermore, the adsorption units comprise an adsorption support frame, vacuum chucks and a connecting flange, the adsorption support frame is provided with a plurality of vacuum chucks, the connecting flange is arranged at one end of the adsorption support frame, and each adsorption unit independently forms an adsorption loop; each adsorption loop is controlled to be on and off by a group of electromagnetic valves and is provided with a pressure switch.
Further, the vacuum adsorption system comprises a vacuum pump, an emergency power supply, a pressure stabilizing tank, an electromagnetic valve, a pressure switch, a pipeline and a joint; many vacuum pumps are arranged redundantly, and a plurality of surge tanks are evenly arranged according to mirror surface shape and position, and emergency power source supplies power when power supply trouble appears, and the vacuum pump passes through the pipeline and connects a plurality of surge tanks and establish the vacuum in step, and the vacuum of each absorption unit is controlled to the switching on and off of surge tank rethread solenoid valve control, and pressure switch realizes the pressure monitoring of each absorption unit.
The application has the advantages that:
1. the application can realize the quick splicing, positioning and transferring of various mirror surfaces. The mirror surface splicing rotary table can realize quick splicing, accurate angle alignment and automatic locking of various mirror surfaces, and the positioning columns are aligned quickly.
2. The splicing rotary table can be assembled at a user-defined angle, and can be automatically and accurately positioned according to the set rotation angle of the mirror surface specification to sequentially complete the assembly of all the mirror surfaces.
3. This application clearance is adjustable, can the fast assembly lens, and the concatenation revolving stage has stop device according to mirror surface shape and specification design, realizes clearance adjustment and location between mirror surface and the mirror surface.
4. Automatic locking can be realized to this application, guarantees the accuracy reliable of counterpoint position. An automatic locking device is designed on the splicing rotary table, so that the position of the mirror can be ensured not to change when the mirror is transferred.
5. The top of the splicing rotary table is provided with a universal roller, so that the mirror surface can be flexibly pushed on the roller.
6. And pin shaft positioning columns are designed on two sides of the splicing rotary table, and the connecting line of the two positioning columns is intersected with the rotary center of the rotary table, so that the positioning during the transfer of the splicing mirror surface can be realized.
7. The application can realize the adsorption and the transportation of the spliced large mirror surface automatically. The vacuum adsorption system can ensure that the adsorption position of the mirror surface is fixed, and the mirror surface is matched with the follow-up procedures of mirror surface splicing.
8. The utility model provides a vacuum adsorption system design has a plurality of motors of lifting by crane and the encoder of acting as go-between, when guaranteeing the mirror surface transportation, keeps the horizontal gesture.
9. The vacuum adsorption system of this application adopts a plurality of pumps redundancies to be furnished with urgent power, guarantee the safety in the mirror surface transportation.
10. This application vacuum adsorption steelframe rigidity is great, and sucking disc height-adjustable can avoid leading to the mirror surface position to change because of adsorbing the steelframe warp.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of a splicing rotary table structure according to the present invention;
FIG. 3 is a schematic view of a mirror element and a central support structure according to the present invention;
FIG. 4 is a schematic view of a positioning post structure according to the present invention;
FIG. 5 is a schematic view of the structure of the limiting catch wheel of the present invention
FIG. 6 is a schematic view of the locking mechanism of the present invention
FIG. 7 is a schematic view of the structure of the adsorption transfer mechanism of the present invention;
FIG. 8 is a schematic view of the structure of the adsorption unit of the present invention.
In the figure, 1-splicing turntable, 2-positioning column, 3-adsorption transfer system, 4-locking mechanism, 5-mirror conveyor line A, 6-mirror conveyor line B, 7-mirror classification line, 8-central support, 9-supporting frame, 10-motor, 11-speed reducer, 12-output flange plate, 13-caster wheel, 14-limit catch wheel, 15-quick elbow clamp, 16-roller mounting beam, 17-universal roller, 18-splicing flange, 19-circular track, 20-screw rod, 21-positioning wheel, 22-nut, 23-supporting upright column, 24-proximity switch induction sheet, 25-guiding shaft, 26-buffer pad, 27-supporting seat, 28-cylinder, 29-guiding sleeve, 30-a locking sleeve, 31-a proximity switch, 32-an air driving assembly, 33-a surge tank, 34-a pull line sensor, 35-a shaft sleeve, 36-a vacuum pump, 37-a lifting ring, 38-an adsorption unit, 39-an emergency power supply, 40-a lifting beam, 41-a positioning beam, 42-a vacuum chuck, 43-a connecting flange and 44-an adsorption support frame.
Detailed Description
Example 1
A large heliostat splicing and transferring method comprises the following steps:
the method comprises the following steps: the mirror surface classification line 7 classifies different mirror surfaces, respectively sends the different mirror surfaces to the interfaces of the mirror surface conveying lines corresponding to the mirror surface positions and the splicing rotary table 1, and manually pushes the first piece of each type of mirror surface to the corresponding position on the splicing rotary table 1;
step two: the splicing rotary table 1 rotates to the position of the second piece of each type of mirror surface and the position of the interface of the mirror surface conveying line, and the second piece of each type of mirror surface is manually pushed to the corresponding position on the splicing rotary table 1;
step three: repeating the second step until all the mirror surfaces on the splicing rotary table 1 are in place;
step four: the rapid elbow clamps 15 on the outer sides of the mirror surface units on the splicing rotary table 1 are folded manually, so that all the mirror surfaces can be reliably attached to the limiting stop wheels 14 and locked.
Step five: the locking mechanism 4 locks the splicing rotary table 1, and the splicing rotary table 1 keeps static;
step six: the travelling crane lifts the adsorption transfer mechanism to a position right above the splicing rotary table 1 and slowly descends until the adsorption transfer mechanism is matched with the positioning column 2 in place, and all suckers of the adsorption transfer mechanism are reliably contacted with the mirror surface;
step seven: the adsorption transfer mechanism opens vacuum to reliably adsorb all the mirror surfaces and ensure enough vacuum degree;
step eight: waiting for the next station to breathe, manually loosening the rapid elbow clamps 15 on the outer sides of the mirror units on the splicing rotary table 1, driving the adsorption transfer mechanism and the spliced mirror to slowly rise, and transferring to the next station; meanwhile, the splicing rotary table 1 also enters the splicing and positioning of the next round of mirror surface.
Step nine: the driving crane accurately carries the adsorption and transfer mechanism together with the spliced mirror surface to the next station, and then returns the adsorption and transfer mechanism to the upper part of the splicing rotary table 1 to prepare for next adsorption and transfer.
Example 2
A large heliostat splicing and transferring method comprises the following steps:
the method comprises the following steps: the mirror surface classification line 7 classifies different mirror surfaces, respectively sends the different mirror surfaces to the interface between the mirror surface conveying line corresponding to the mirror surface position and the splicing rotary table 1, and manually pushes the first piece of each type of mirror surface to the corresponding position on the splicing rotary table 1;
step two: the splicing rotary table 1 rotates to the position of the second piece of each type of mirror surface and the position of the interface of the mirror surface conveying line, and the second piece of each type of mirror surface is manually pushed to the corresponding position on the splicing rotary table 1;
step three: repeating the second step until all the mirror surfaces on the splicing rotary table 1 are in place;
step four: the rapid elbow clamps 15 on the outer sides of the mirror surface units on the splicing rotary table 1 are folded manually, so that all the mirror surfaces can be reliably attached to the limiting stop wheels 14 and locked.
Step five: the locking mechanism 4 locks the splicing rotary table 1, and the splicing rotary table 1 keeps static;
step six: the travelling crane lifts the adsorption transfer mechanism to the position right above the splicing rotary table 1 and slowly descends until the adsorption transfer mechanism is matched with the positioning column 2 in place, and all suckers of the adsorption transfer mechanism are reliably contacted with the mirror surface;
step seven: the adsorption transfer mechanism opens vacuum to reliably adsorb all the mirror surfaces and ensure enough vacuum degree;
step eight: waiting for the next station to breathe, manually loosening the rapid elbow clamps 15 on the outer sides of the mirror units on the splicing rotary table 1, driving the adsorption transfer mechanism and the spliced mirror to slowly rise, and transferring to the next station; meanwhile, the splicing rotary table 1 also enters the splicing and positioning of the next round of mirror surface.
Step nine: the driving crane accurately carries the adsorption and transfer mechanism together with the spliced mirror surface to the next station, and then returns the adsorption and transfer mechanism to the upper part of the splicing rotary table 1 to prepare for next adsorption and transfer.
The equipment for realizing the method is a large heliostat splicing and transferring system, which comprises a splicing rotary table 1, a positioning column 2, a locking mechanism 4, an adsorption transferring mechanism and a mirror surface conveying mechanism; the splicing rotary table 1 rotates on the rail along the central axis of the rail, the at least two positioning columns 2 are symmetrically arranged along the central axis of the splicing rotary table 1, the mirror surface conveying mechanism is aligned to the splicing rotary table 1 according to types under the guidance of the positioning columns 2 according to the shape and the specification of a mirror surface formed by heliostats, and the mirror surface is adsorbed, picked up and conveyed corresponding to the position of the mirror surface. And when the conveying of one group of mirror surfaces is finished, the splicing rotary table 1 rotates to enter the initial angle position for mounting the next group of mirror surfaces, and the mirror surfaces are spliced until all the mirror surfaces are assembled. After the mirror surface is assembled and is accomplished, locking mechanism 4 locks concatenation revolving stage 1, waits for the absorption transport mechanism to target in place, and horizontal direction and elevating movement are carried out by the driving handling to absorption transport mechanism, when assembling the completion, can remove concatenation revolving stage 1 top, adsorb transport mechanism on have with reference column 2 complex position sleeve, when adsorbing the mirror surface, guarantee that the sucking disc adsorbs the position accuracy, and the mirror surface position that has spliced does not change when adsorbing and transporting, adsorb transport mechanism by the driving drive.
The splicing rotary table 1 comprises a central support 8, a mirror surface unit, a caster 13 and an annular track 19; the mirror units are distributed around the central support 8 and are uniformly connected with the central support 8, the annular rail 19 is arranged at the bottom of the mirror units, the casters 13 are arranged on the outer sides of the mirror units, and the casters 13 are supported on the annular rail 19; the central support 8 comprises a support frame 9, a motor 10 and a speed reducer 11, wherein a shell of the speed reducer 11 is fixedly connected with the support frame 9, the input end of the speed reducer 11 is connected with the motor 10, the output end of the speed reducer 11 is connected with an output flange 12, and the output flange 12 is fixedly connected with the central ends of the mirror surface units through screws and pin shafts; the heliostat is arranged along central array by the mirror surface of polylith equidimension shape, and the mirror surface unit is arranged according to the shape of the mirror surface of constituteing the heliostat, and a plurality of mirror surface units evenly arrange around the centre of gyration of center support 8, and every mirror surface unit center end links firmly with output ring flange 12.
The mirror unit comprises a lower layer supporting frame, a universal roller layer, a quick elbow clamp 15, a limiting catch wheel 14 and a splicing flange 18; the lower layer supporting frame ensures the rigidity and the shape of each mirror surface unit, the mirror surface units are connected through a splicing flange 18 on the lower layer supporting frame, and the splicing flange 18 is provided with screw holes and pin holes to realize the fastening and the positioning of the mirror surface units. The universal gyro wheel layer includes gyro wheel installation roof beam 16 and universal gyro wheel 17, and gyro wheel installation roof beam 16 passes through the mounting of screw at lower floor's frame upper surface, and universal gyro wheel 17 equipartition is on gyro wheel installation roof beam 16. The universal roller layer can realize the free pushing of the mirror surface. A plurality of spacing catch wheels 14 have been arranged to mirror surface unit both sides, and spacing catch wheel 14 is including setting up locating wheel 21 on screw rod 20, and locating wheel 21 can be through screw rod 20 and nut 22 adjustment position, and the location of mirror surface in the horizontal plane can be realized to a plurality of locating wheels 21 rational overall arrangement. A plurality of quick elbow clamps 15 are installed to the outside of mirror surface unit, and the mirror surface pushes away after target in place, and the elbow presss from both sides can push away the mirror surface along heliostat axle center to tightly on locating wheel 21, guarantee that the mirror surface targets in place the back, and the position is fixed, can not rock.
The positioning column 2 comprises a supporting upright column 23, a guide shaft 25, a proximity switch induction sheet 24 and a buffer pad 26; two support columns 23 are arranged along the central symmetry of the splicing rotary table 1, and are matched with the adsorption transfer mechanism in height, so that the adsorption transfer mechanism can reliably contact with the mirror surface after being positioned. The proximity switch sensing piece 24 is installed on the top of the supporting upright 23 and is ensured to be matched with a corresponding proximity switch 31, wherein the corresponding proximity switch 31 is the proximity switch 31 used for other control logics; a guide shaft 25 is installed at a center position of the top surface of the support pillar 23, and a cushion pad 26 is installed coaxially with the guide shaft 25.
The locking mechanism 4 comprises a supporting seat 27, an air cylinder 28, a guide sleeve 29, a locking sleeve 30, a proximity switch 31 and an air driving assembly 32; the supporting seat 27 is provided with an air cylinder 28 and an air driving assembly 32; proximity switch 31 is used for the servo location trigger signal of revolving stage, at the installation of the predetermined angular position of revolving stage, uide bushing 29, lock sleeve 30 interconnect for supporting with cylinder 28, realize stretching out locking, lock sleeve 30 fixes on the revolving stage, and the mirror surface concatenation is accomplished the back, adsorbs transport mechanism and need adsorb the mirror surface and hang away, and the revolving stage takes place the position change when avoiding adsorbing, needs locking mechanism 4 restriction revolving stage rotation. When the rotary table is in place, the proximity switch 31 is triggered by a signal, the air cylinder 28 is lifted out, and the front locking rod is pushed into the locking sleeve 30, so that the rotary table is limited to rotate.
The mirror surface classification line 7 classifies different mirror surfaces and respectively sends the different mirror surfaces to the mirror surface conveying lines corresponding to the mirror surface positions, and the mirror surface conveying mechanism at least comprises a mirror surface conveying line A and a mirror surface conveying line B. Mirror surface transfer chain surface mounting has universal gyro wheel 17, can artifical light promotion mirror surface to accomplish the installation of mirror surface pin.
The application can realize the quick splicing, positioning and transferring of various mirror surfaces. Wherein mirror surface concatenation revolving stage 1 can realize the quick concatenation of various mirror surfaces, accurate angle counterpoint and automatic locking, and reference column 2 counterpoints fast. The splicing rotary table 1 can be used for customizing the splicing angle, setting the rotation angle according to the specification of the mirror surface, automatically and accurately positioning and sequentially completing the assembly of all the mirror surfaces. This application clearance is adjustable, can the fast assembly lens, and concatenation revolving stage 1 has stop device according to mirror surface shape and specification design, realizes clearance adjustment and location between mirror surface and the mirror surface. Automatic locking can be realized to this application, guarantees the accuracy reliable of counterpoint position. An automatic locking device is designed on the splicing rotary table 1, so that the position of the mirror can be ensured not to change when the mirror is transferred. The top of the splicing rotary table 1 is provided with universal rollers 17, so that flexible pushing of the mirror surface on the rollers can be realized. Pin shaft positioning columns 2 are arranged on two sides of the splicing rotary table 1, and a connecting line of the two positioning columns 2 is intersected with the rotary center of the rotary table, so that the splicing mirror surface can be positioned during transferring.
Example 3
A large heliostat splicing and transferring method comprises the following steps:
the method comprises the following steps: the mirror surface classification line 7 classifies different mirror surfaces, respectively sends the different mirror surfaces to the interfaces of the mirror surface conveying lines corresponding to the mirror surface positions and the splicing rotary table 1, and manually pushes the first piece of each type of mirror surface to the corresponding position on the splicing rotary table 1;
step two: the splicing rotary table 1 rotates to the position of the second piece of each type of mirror surface and the position of the interface of the mirror surface conveying line, and the second piece of each type of mirror surface is manually pushed to the corresponding position on the splicing rotary table 1;
step three: repeating the second step until all the mirror surfaces on the splicing rotary table 1 are in place;
step four: the rapid elbow clamps 15 on the outer sides of the mirror surface units on the splicing rotary table 1 are folded manually, so that all the mirror surfaces can be reliably attached to the limiting stop wheels 14 and locked.
Step five: the locking mechanism 4 locks the splicing rotary table 1, and the splicing rotary table 1 keeps static;
step six: the travelling crane lifts the adsorption transfer mechanism to a position right above the splicing rotary table 1 and slowly descends until the adsorption transfer mechanism is matched with the positioning column 2 in place, and all suckers of the adsorption transfer mechanism are reliably contacted with the mirror surface;
step seven: the adsorption transfer mechanism opens vacuum to reliably adsorb all the mirror surfaces and ensure enough vacuum degree;
step eight: waiting for the next station to call materials, manually loosening the quick elbow clamps 15 on the outer sides of the mirror surface units on the splicing rotary table 1, driving the adsorption transfer mechanism and the spliced mirror surface to slowly rise, and transferring to the next station; meanwhile, the splicing rotary table 1 also enters the splicing and positioning of the next round of mirror surface.
Step nine: the driving crane accurately carries the adsorption and transfer mechanism together with the spliced mirror surface to the next station, and then returns the adsorption and transfer mechanism to the upper part of the splicing rotary table 1 to prepare for next adsorption and transfer.
The equipment for realizing the method is a large heliostat splicing and transferring system, which comprises a splicing rotary table 1, a positioning column 2, a locking mechanism 4, an adsorption transferring mechanism and a mirror surface conveying mechanism; the splicing rotary table 1 rotates on the rail along the central axis of the rail, the at least two positioning columns 2 are symmetrically arranged along the central axis of the splicing rotary table 1, the mirror surface conveying mechanism is aligned to the splicing rotary table 1 according to types under the guidance of the positioning columns 2 according to the shape and the specification of a mirror surface formed by heliostats, and the mirror surface is adsorbed, picked up and conveyed corresponding to the position of the mirror surface. When the conveying of one group of mirror surfaces is finished, the splicing rotary table 1 rotates to enter the initial angle position for mounting the next group of mirror surfaces, and the mirror surfaces are spliced until all the mirror surfaces are assembled. After the mirror surface is assembled and is accomplished, locking mechanism 4 locks concatenation revolving stage 1, waits for the absorption transport mechanism to target in place, and horizontal direction and elevating movement are carried out by the driving handling to absorption transport mechanism, when assembling the completion, can remove concatenation revolving stage 1 top, adsorb transport mechanism on have with reference column 2 complex position sleeve, when adsorbing the mirror surface, guarantee that the sucking disc adsorbs the position accuracy, and the mirror surface position that has spliced does not change when adsorbing and transporting, adsorb transport mechanism by the driving drive.
The splicing rotary table 1 comprises a central support 8, a mirror surface unit, a caster 13 and an annular track 19; the mirror units are distributed around the central support 8 and are uniformly connected with the central support 8, the annular rail 19 is arranged at the bottom of the mirror units, the casters 13 are arranged on the outer sides of the mirror units, and the casters 13 are supported on the annular rail 19; the central support 8 comprises a support frame 9, a motor 10 and a speed reducer 11, wherein a shell of the speed reducer 11 is fixedly connected with the support frame 9, the input end of the speed reducer 11 is connected with the motor 10, the output end of the speed reducer 11 is connected with an output flange 12, and the output flange 12 is fixedly connected with the central ends of the mirror surface units through screws and pin shafts; the heliostat is arranged along central array by the mirror surface of polylith equidimension shape, and the mirror surface unit is arranged according to the shape of the mirror surface of constituteing the heliostat, and a plurality of mirror surface units evenly arrange around the centre of gyration of center support 8, and every mirror surface unit center end links firmly with output ring flange 12.
The mirror unit comprises a lower layer supporting frame, a universal roller layer, a quick elbow clamp 15, a limiting catch wheel 14 and a splicing flange 18; the lower supporting frame ensures the rigidity and the shape of each mirror surface unit, the mirror surface units are connected through a splicing flange 18 on the lower supporting frame, and the splicing flange 18 is provided with screw holes and pin holes to realize the fastening and the positioning between the mirror surface units. The universal gyro wheel layer includes gyro wheel installation roof beam 16 and universal gyro wheel 17, and gyro wheel installation roof beam 16 passes through the mounting of screw at lower floor's frame upper surface, and universal gyro wheel 17 equipartition is on gyro wheel installation roof beam 16. The universal roller layer can realize the free pushing of the mirror surface. A plurality of spacing catch wheels 14 have been arranged to mirror surface unit both sides, and spacing catch wheel 14 is including setting up locating wheel 21 on screw rod 20, and locating wheel 21 can be through screw rod 20 and nut 22 adjustment position, and the location of mirror surface in the horizontal plane can be realized to a plurality of locating wheels 21 rational overall arrangement. A plurality of quick elbow clamps 15 are installed to the outside of mirror surface unit, and the mirror surface pushes away after target in place, and the elbow presss from both sides can push away the mirror surface along heliostat axle center to tightly on locating wheel 21, guarantee that the mirror surface targets in place the back, and the position is fixed, can not rock.
The positioning column 2 comprises a supporting column 23, a guide shaft 25, a proximity switch induction sheet 24 and a buffer pad 26; two support post 23 along concatenation revolving stage 1 central symmetry arrange, highly match with the adsorption transfer mechanism, guarantee that the adsorption transfer mechanism can reliably contact the mirror surface after the location. The proximity switch sensing piece 24 is installed on the top of the supporting upright 23 and is ensured to be matched with a corresponding proximity switch 31, wherein the corresponding proximity switch 31 is the proximity switch 31 used for other control logics; a guide shaft 25 is installed at a center position of the top surface of the support pillar 23, and a cushion pad 26 is installed coaxially with the guide shaft 25.
The locking mechanism 4 comprises a supporting seat 27, an air cylinder 28, a guide sleeve 29, a locking sleeve 30, a proximity switch 31 and an air driving assembly 32; the supporting seat 27 is provided with an air cylinder 28 and an air driving assembly 32; proximity switch 31 is used for the servo location trigger signal of revolving stage, at the installation of the predetermined angular position of revolving stage, uide bushing 29, lock sleeve 30 interconnect for supporting with cylinder 28, realize stretching out locking, lock sleeve 30 fixes on the revolving stage, and the mirror surface concatenation is accomplished the back, adsorbs transport mechanism and need adsorb the mirror surface and hang away, and the revolving stage takes place the position change when avoiding adsorbing, needs locking mechanism 4 restriction revolving stage rotation. When the rotary table is in place, the proximity switch 31 is triggered by a signal, the air cylinder 28 is lifted out, and the front locking rod is pushed into the locking sleeve 30, so that the rotary table is limited to rotate.
The mirror surface classification line 7 classifies different mirror surfaces and respectively sends the different mirror surfaces to the mirror surface conveying lines corresponding to the mirror surface positions, and the mirror surface conveying mechanism at least comprises a mirror surface conveying line A and a mirror surface conveying line B. Mirror surface transfer chain surface mounting has universal gyro wheel 17, can artifical light promotion mirror surface to accomplish the installation of mirror surface pin.
The adsorption transfer mechanism comprises an adsorption frame, a lifting beam 40, a pull line sensor 34, a positioning beam 41 and a vacuum adsorption system; the adsorption frame is composed of a plurality of adsorption units 38, the shape of each adsorption unit 38 is the same as the shape of a mirror surface forming the heliostat, the adsorption units 38 are uniformly arranged along the axis center of the heliostat, and the adjacent adsorption units 38 are mutually connected and positioned through screw holes and pin holes in the connecting flange 43, so that sufficient rigidity is ensured when the whole heliostat is adsorbed. The upper layer of the adsorption unit 38 is provided with at least two lifting beams 40 and a positioning beam 41, and the adsorption unit 38 is fixedly connected with the lifting beams 40 and the positioning beam 41 through flanges and bolts. The lifting beam 40 is distributed at the gravity center symmetrical position of the whole mirror surface, the lifting beam 40 is provided with four lifting rings 37 and screws and four stay wire sensors 34, the four lifting rings 37 are respectively driven by four lifting motors, the lifting motors are matched with stay wire encoders, the synchronous lifting of four lifting points is ensured, the heliostat can be ensured to be always kept horizontal when being transported, and the change of adsorption load caused by the inclination is avoided.
The locating beam 41 passes and adsorbs the movement mechanism axle center, and axle sleeve 35 is installed at 41 both ends of locating beam, and axle sleeve 35 cooperates with the pinhole on the reference column 2, when guaranteeing that adsorb movement mechanism and heliostat adsorb, adsorb the position invariant. Proximity switch 31 is installed in the 41 axle sleeve 35 outsides of locating beam, adsorbs when the transport mechanism drops to sucking disc and mirror surface contact position, and proximity switch 31 is close to the response piece on the reference column 2, and triggering signal adsorbs the transport system 3 and begins to adsorb.
The adsorption unit 38 comprises an adsorption support frame 44, a plurality of vacuum chucks 42 and a connecting flange 43, the adsorption support frame 44 is provided with the plurality of vacuum chucks 42, the connecting flange 43 is arranged at one end of the adsorption support frame 44, and each adsorption unit 38 independently forms an adsorption loop; each adsorption loop is controlled to be on and off by a group of electromagnetic valves, a pressure switch is arranged to monitor the pressure condition of the gas path, and one adsorption unit 38 adsorbs one mirror surface. Because heliostat and mirror surface are bigger, adsorption points are more, adsorption failure caused by sealing can be avoided, and the safety and reliability of adsorption are improved.
The vacuum adsorption system comprises a vacuum pump 36, an emergency power supply 39, a pressure stabilizing tank 33, an electromagnetic valve, a pressure switch, a pipeline and a joint; for the reliability and the security that increase the adsorption transportation mechanism, the vacuum adsorption system chooses for use many vacuum pumps 36 redundant to arrange, and a plurality of surge tanks 33 evenly arrange according to mirror surface shape and position, can guarantee the stability of entire system pressure, avoid in the adsorption transportation, lead to adsorption failure to take place the potential safety hazard because of the pressure fluctuation. Be furnished with emergency power supply 39, can further improve system security, avoid because of failures such as power failure, lead to vacuum pump 36 not work to arouse that vacuum pressure is not enough, emergency power supply 39 supplies power when power supply failure appears, vacuum pump 36 establishes the vacuum with a plurality of surge tanks 33 synchronization through pipeline and joint, surge tank 33 rethread solenoid valve control each adsorbs the vacuum on-off of unit 38, pressure switch realizes the pressure monitoring of each absorption unit 38.
The application can realize the quick splicing, positioning and transferring of various mirror surfaces. Wherein mirror surface concatenation revolving stage 1 can realize the quick concatenation of various mirror surfaces, accurate angle counterpoint and automatic locking, and reference column 2 counterpoints fast. The splicing rotary table 1 can be used for customizing the splicing angle, setting the rotation angle according to the specification of the mirror surface, automatically and accurately positioning and sequentially completing the assembly of all the mirror surfaces.
This application clearance is adjustable, can the fast assembly lens, and concatenation revolving stage 1 has stop device according to mirror surface shape and specification design, realizes clearance adjustment and location between mirror surface and the mirror surface. Automatic locking can be realized, and the accuracy and reliability of the alignment position are ensured. An automatic locking device is designed on the splicing rotary table 1, so that the position of the mirror can be ensured not to change when the mirror is transferred. The top of the splicing rotary table 1 is provided with a universal roller 17, so that the mirror surface can be flexibly pushed on the roller. Pin shaft positioning columns 2 are arranged on two sides of the splicing rotary table 1, and a connecting line of the two positioning columns 2 is intersected with the rotary center of the rotary table, so that the splicing mirror surface can be positioned during transferring.
The application can realize the adsorption and the transportation of the spliced large mirror surface automatically. The vacuum adsorption system can ensure that the adsorption position of the mirror surface is fixed, and the mirror surface is matched with the follow-up procedures of mirror surface splicing. The vacuum adsorption system is provided with a plurality of hoisting motors and stay wire encoders, so that the horizontal posture is kept when the mirror surface is transported. The vacuum adsorption system adopts a plurality of pump redundancies and is provided with an emergency power supply, so that the safety of the mirror surface in the transfer process is ensured. The vacuum adsorption steel frame is high in rigidity, the height of the sucker is adjustable, and the situation that the position of the mirror face changes due to deformation of the adsorption steel frame can be avoided.
Claims (10)
1. A large heliostat splicing and transferring method is characterized in that: the method comprises the following steps:
the method comprises the following steps: the mirror surface classification line (7) classifies different mirror surfaces, respectively sends the different mirror surfaces to the interfaces of the mirror surface conveying lines corresponding to the positions of the mirror surfaces and the splicing rotary table (1), and pushes the first piece of each type of mirror surface to the corresponding position on the splicing rotary table (1);
step two: the splicing rotary table (1) rotates to the position of the second piece of each type of mirror surface and the position of the interface of the mirror surface conveying line, and the second piece of each type of mirror surface is pushed to the corresponding position on the splicing rotary table (1);
step three: repeating the second step until all the mirror surfaces on the splicing rotary table (1) are in place;
step four: folding a quick elbow clamp (15) on the outer side of a mirror surface unit on the splicing rotary table (1), ensuring that all mirror surfaces are reliably attached to a limiting blocking wheel (14), and locking;
step five: the locking mechanism (4) locks the splicing rotary table (1), and the splicing rotary table (1) keeps static;
step six: the travelling crane lifts the adsorption transfer mechanism to a position right above the splicing rotary table (1) and descends until the adsorption transfer mechanism is matched with the positioning column (2) in place, and all suckers of the adsorption transfer mechanism are reliably contacted with the mirror surface;
step seven: the adsorption transfer mechanism opens vacuum to reliably adsorb all the mirror surfaces and ensure enough vacuum degree;
step eight: waiting for the next station to breathe, loosening the rapid elbow clamp (15) on the outer side of the mirror surface unit on the splicing rotary table (1), driving the adsorption transfer mechanism and the spliced mirror surface to slowly rise, and transferring to the next station; meanwhile, the splicing rotary table (1) also enters the splicing and positioning of the next round of mirror surface;
step nine: the driving crane accurately carries the adsorption and transfer mechanism together with the spliced mirror surface to the next station, and then returns the adsorption and transfer mechanism to the upper part of the splicing rotary table (1) to prepare for next adsorption and transfer.
2. The method of claim 1 for splicing and transferring a large heliostat, wherein: the equipment for realizing the method is a large heliostat splicing and transferring system, which comprises a splicing rotary table (1), a positioning column (2), a locking mechanism (4), an adsorption transferring mechanism and a mirror surface conveying mechanism; concatenation revolving stage (1) is rotatory along its central axis on the track, and two at least reference columns (2) are along the central axis symmetrical arrangement of concatenation revolving stage (1), and mirror surface conveying mechanism aims at concatenation revolving stage (1), and locking mechanism (4) are with concatenation revolving stage (1) locking, adsorb transport mechanism and carry out horizontal direction and elevating movement by the driving handling, adsorb transport mechanism and go up to have with reference column (2) complex position sleeve.
3. The method of claim 2 for splicing and transferring a large heliostat, wherein: the splicing rotary table (1) comprises a central support (8), a mirror surface unit, casters (13) and an annular track (19); the mirror surface units are distributed around the central support (8) and are connected with each other through the uniform central support (8), the annular rail (19) is arranged at the bottom of each mirror surface unit, the mirror surface units are provided with the caster wheels (13), and the caster wheels (13) are supported on the annular rail (19).
4. The method of claim 3, wherein the splicing and transferring of the large heliostats comprises: the central support (8) comprises a support frame (9), a motor (10) and a speed reducer (11), wherein a shell of the speed reducer (11) is fixedly connected with the support frame (9), the input end of the speed reducer (11) is connected with the motor (10), the output end of the speed reducer (11) is connected with an output flange plate (12), and the output flange plate (12) is fixedly connected with the central ends of the mirror surface units; the plurality of mirror surface units are uniformly arranged around the rotation center of the central support (8), and the central end of each mirror surface unit is fixedly connected with the output flange (12).
5. The method of claim 3 for splicing and transferring a large heliostat, wherein: the mirror unit comprises a lower layer supporting frame, a universal roller layer, a quick elbow clamp (15), a limiting catch wheel (14) and a splicing flange (18); the mirror surface units are connected through splicing flanges (18) on a lower layer supporting frame, the universal roller layer comprises roller mounting beams (16) and universal rollers (17), the roller mounting beams (16) are mounted on the upper surface of the lower layer frame, and the universal rollers (17) are uniformly distributed on the roller mounting beams (16); a plurality of spacing catch wheels (14) are arranged on two sides of the mirror surface unit, and a plurality of rapid elbow clamps (15) are installed on the outer side of the mirror surface unit.
6. The method of claim 2, wherein the splicing and transferring of the large heliostats comprises: the positioning column (2) comprises a supporting upright column (23), a guiding shaft (25), a proximity switch sensing sheet (24) and a buffer pad (26); the proximity switch induction sheet (24) is arranged at the top of the support upright post (23) and is matched with the corresponding proximity switch (31), the guide shaft (25) is arranged at the center of the top surface of the support upright post (23), and the cushion pad (26) and the guide shaft (25) are coaxially arranged.
7. The method of claim 2 for splicing and transferring a large heliostat, wherein: the locking mechanism (4) comprises a supporting seat (27), an air cylinder (28), a guide sleeve (29), a locking sleeve (30), a proximity switch (31) and an air driving assembly (32); the supporting seat (27) is provided with an air cylinder (28) and an air driving assembly (32); the proximity switch (31) is used for a turntable servo positioning trigger signal, the guide sleeve (29) and the locking sleeve (30) are connected with each other and used for being matched with the air cylinder (28), and the locking sleeve (30) is fixed on the turntable.
8. The method of claim 2 for splicing and transferring a large heliostat, wherein: mirror surface classification line (7) are classified different mirror surfaces, send to respectively corresponding on the mirror surface transfer chain of mirror surface position, and mirror surface conveying mechanism includes at least including mirror surface transfer chain A and mirror surface transfer chain B, and mirror surface transfer chain surface mounting has universal gyro wheel (17).
9. The method of claim 2, wherein the splicing and transferring of the large heliostats comprises: the adsorption transfer mechanism comprises an adsorption frame, a lifting beam (40), a pull line sensor (34), a positioning beam (41) and a vacuum adsorption system; the absorption frame is composed of a plurality of absorption units (38), the absorption units (38) are uniformly arranged along the axis of the heliostat, the adjacent absorption units (38) are connected and positioned with each other through a connecting flange (43), at least two lifting beams (40) and one positioning beam (41) are distributed on the upper layer of the absorption units (38), and the absorption units (38) are fixedly connected with the lifting beams (40) and the positioning beams (41); the lifting beam (40) is distributed at the symmetrical position of the gravity center of the whole mirror surface, a lifting ring (37) screw and a stay wire sensor (34) are arranged on the lifting beam (40), the lifting ring (37) is respectively driven by a lifting motor, and the lifting motor is matched with a stay wire encoder to ensure that a lifting point is synchronously lifted.
10. The method of splicing and transferring large heliostats according to claim 9, wherein: the adsorption unit (38) comprises an adsorption supporting frame (44), vacuum chucks (42) and a connecting flange (43), the adsorption supporting frame (44) is provided with a plurality of vacuum chucks (42), the connecting flange (43) is arranged at one end of the adsorption supporting frame (44), and each adsorption unit (38) independently forms an adsorption loop; each adsorption loop is controlled to be on and off by a group of electromagnetic valves and is provided with a pressure switch;
the vacuum adsorption system comprises a vacuum pump (36), an emergency power supply (39), a pressure stabilizing tank (33), an electromagnetic valve, a pressure switch, a pipeline and a joint; the vacuum pump system is characterized in that a plurality of vacuum pumps (36) are arranged redundantly, a plurality of pressure stabilizing tanks (33) are uniformly arranged according to the shapes and positions of mirror surfaces, an emergency power supply (39) supplies power when power supply faults occur, the vacuum pumps (36) synchronously establish vacuum for the plurality of pressure stabilizing tanks (33) through pipelines and connectors, the pressure stabilizing tanks (33) control the on and off of the vacuum of each adsorption unit (38) through electromagnetic valves, and pressure monitoring of each adsorption unit (38) is realized through pressure switches.
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| CN202110522138.8A CN113399998B (en) | 2021-05-13 | 2021-05-13 | Splicing and transferring method for large heliostats |
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