Fixed photovoltaic unit automatic assembly production line and assembly method

Abstract

The invention relates to the field of photovoltaic technology, and discloses a fixed photovoltaic unit automatic assembly production line and assembly method.The fixed photovoltaic unit automatic assembly production line comprises a main conveying mechanism, and a purline assembly module, a purline connecting module, a component assembly module, an aircraft head assembly module, a quality inspection module and an offline module which are sequentially arranged in the conveying direction of the main conveying mechanism; according to the invention, the fixed photovoltaic units can be assembled in batches and in a large scale, the assembly link can be transferred indoors, the standardization degree of the assembly of the fixed photovoltaic units is improved, the material loss in the construction process is greatly reduced, the installation efficiency is greatly improved, the human demand is reduced, and the construction quality of a photovoltaic power station is greatly improved; and the construction cost of the photovoltaic power station is reduced.

Description

Technical Field

[0001] The present invention relates to the field of photovoltaic technology, and in particular to an automated assembly production line and an assembly method for fixed photovoltaic units. Background Art

[0002] Photovoltaic power generation is to directly convert the sun's radiation energy into electrical energy, and is one of the cleanest and most efficient energy sources. The ecological environment of deserts, Gobi and wastelands is harsh, and the manual construction of photovoltaic power stations requires a large number of construction workers to carry out outdoor work, facing the construction environment under harsh conditions such as high temperature, wind and sand, and hail. There are many problems such as high-altitude work, low installation efficiency, difficult installation quality control, and messy on-site materials. It is urgent to improve the mechanization and automation level of photovoltaic construction.

[0003] Therefore, how to improve the assembly efficiency of photovoltaic brackets and photovoltaic modules is of great significance. Summary of the invention

[0004] The object of the present invention is to provide an automated assembly production line and assembly method for fixed photovoltaic units, aiming to solve or improve at least one of the above-mentioned technical problems.

[0005] To achieve the above-mentioned purpose, the present invention provides the following solutions: The present invention provides a fixed photovoltaic unit automated assembly production line, comprising a main conveying mechanism, a purlin assembly module, a purlin connection module, a component assembly module, an aircraft head assembly module, a quality inspection module and a downline module sequentially arranged along the conveying direction of the main conveying mechanism;

[0006] The purlin assembly module is used to transfer a plurality of purlins in a fixed photovoltaic unit to the main conveying mechanism;

[0007] The purlin connection module is used to connect a plurality of the purlins on the main transmission mechanism into a plurality of purlin groups;

[0008] The component assembly module is used to connect a plurality of photovoltaic components in the fixed photovoltaic unit with a plurality of purlin groups to form a purlin component assembly;

[0009] The nose assembly module is used to connect a plurality of noses in the fixed photovoltaic unit with a plurality of purlin groups in the purlin assembly assembly to form the fixed photovoltaic unit;

[0010] The quality inspection module is used to perform defect quality inspection on the fixed photovoltaic unit;

[0011] The offline module is used to transport the fixed photovoltaic unit out of the main conveying mechanism.

[0012] Optionally, the main transmission mechanism includes:

[0013] Conveying equipment;

[0014] A plurality of clamping devices are arranged on the conveying device, and the clamping devices are used to clamp and fix a plurality of the purlins.

[0015] Optionally, the purlin assembly module includes:

[0016] A purlin feeding device, on which a plurality of purlins are arranged;

[0017] The purlin transporting device is used to transport the purlins on the purlin feeding device to the main conveying mechanism.

[0018] Optionally, the purlin connection module includes:

[0019] Connector feeding equipment, on which a plurality of connectors are arranged;

[0020] Connector handling equipment, used for handling the connectors to the plurality of purlins on the main conveying mechanism;

[0021] A first fastener feeding device, on which a plurality of fasteners are arranged;

[0022] The connector fastening device is used to assemble the connector to a plurality of the purlins, and to take out the fasteners on the first fastener feeding device and assemble them to the connector and the purlins, so that a plurality of the purlins are connected into the purlin group.

[0023] Optionally, the component assembly module includes:

[0024] Photovoltaic module loading equipment, on which a plurality of the photovoltaic modules are arranged;

[0025] Photovoltaic module handling equipment, used for carrying a plurality of the photovoltaic modules on the photovoltaic module loading equipment to a plurality of the purlin groups;

[0026] a second fastener feeding device having fasteners disposed thereon;

[0027] The photovoltaic assembly fastening device is used to take out the fasteners on the second fastener feeding device and assemble them to the purlin group and the photovoltaic assembly, so that a plurality of the purlin groups and a plurality of the photovoltaic assemblies are connected to form the purlin assembly assembly.

[0028] Optionally, the aircraft head assembly module includes:

[0029] A plane head loading device, on which a plurality of the plane heads are arranged;

[0030] A plane head transport device is used to transport a plurality of the plane heads on the plane head loading device to the purlin assembly assembly;

[0031] a third fastener feeding device, on which a plurality of fasteners are arranged;

[0032] The aircraft head fastening device is used to take out the fasteners on the third fastener feeding device and assemble them to the purlin group and the aircraft head, so that a number of the purlin groups, a number of the photovoltaic modules and a number of the aircraft heads are connected to form the fixed photovoltaic unit.

[0033] Optionally, the quality inspection module includes:

[0034] Quality control framework;

[0035] A flatness quality inspection device is arranged on the quality inspection frame, and the flatness quality inspection device is used to detect the flatness of the fixed photovoltaic unit;

[0036] Photovoltaic module quality inspection equipment, arranged on the quality inspection frame, the photovoltaic module quality inspection equipment is used to detect quality defects of the photovoltaic module;

[0037] The fastener quality inspection equipment is arranged at the bottom of the quality inspection frame, and the fastener quality inspection equipment is used to spot-check the locking status of the fasteners on the fixed photovoltaic unit.

[0038] Optionally, the offline module includes:

[0039] A lifting device is used to lift several of the aircraft heads in the fixed photovoltaic unit.

[0040] Optionally, the fasteners include bolts and nuts.

[0041] A method for automating the assembly of fixed photovoltaic units, comprising:

[0042] The purlin assembly module transfers a plurality of the purlins to the main conveying mechanism;

[0043] The main conveying mechanism is used to transfer the plurality of purlins to the purlin connection module, and the purlin connection module is used to connect the plurality of purlins on the main conveying mechanism into a plurality of purlin groups;

[0044] The main conveying mechanism is used to transfer the plurality of purlin groups to the component assembly module, and the component assembly module is used to connect the plurality of photovoltaic components with the plurality of purlin groups to form a purlin component assembly;

[0045] The purlin assembly assembly is transferred to the aircraft head assembly module by the main conveying mechanism, and the aircraft head assembly module connects a plurality of aircraft heads with a plurality of purlin groups in the purlin assembly assembly to form the fixed photovoltaic unit;

[0046] The fixed photovoltaic unit is transferred to the quality inspection module by the main conveying mechanism, and the quality inspection module performs defect quality inspection on the fixed photovoltaic unit;

[0047] The fixed photovoltaic unit is transferred to the downstream module by the main conveying mechanism, and the fixed photovoltaic unit is transferred out of the main conveying mechanism by the downstream module.

[0048] The present invention discloses the following technical effects: after a plurality of purlins are transferred to a main conveying mechanism through a purlin assembly module, a plurality of purlins on the main conveying mechanism are connected into a plurality of purlin groups by a purlin connection module, and then a plurality of photovoltaic modules are connected to a plurality of purlin groups by a component assembly module to form a purlin component assembly, and finally a plurality of aircraft heads are connected to a plurality of purlin groups in the purlin component assembly by a nose assembly module to form a fixed photovoltaic unit, and then a defect quality inspection is performed by a quality inspection module and the fixed photovoltaic unit is transferred out of the main conveying mechanism through a offline module, forming an industrialized assembly line working mode, capable of assembling fixed photovoltaic units in batches and on a large scale, capable of transferring the assembly link to indoors, improving the standardization degree of fixed photovoltaic unit assembly, thereby greatly reducing material loss during the construction process, greatly improving installation efficiency while reducing labor demand, greatly improving the quality of photovoltaic power station construction, and reducing the construction cost of photovoltaic power stations. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0050] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0051] Figure 2 It is a three-dimensional schematic diagram of the present invention;

[0052] Figure 3 The fixed photovoltaic unit of the present invention;

[0053] Figure 4 It is a schematic diagram of the main transmission mechanism of the present invention;

[0054] Figure 5 It is a schematic diagram of the purlin assembly module of the present invention;

[0055] Figure 6 It is a schematic diagram of the purlin connection module of the present invention;

[0056] Figure 7 It is a schematic diagram of the component assembly module of the present invention;

[0057] Figure 8This is a schematic diagram of the aircraft head assembly module of the present invention;

[0058] Fig. 9 It is a schematic diagram of the quality inspection module of the present invention;

[0059] Fig.10 It is a schematic diagram of the offline module of the present invention;

[0060] Fig.11 It is a flowchart of the present invention.

[0061] In the figure:

[0062] 1. Main conveying mechanism; 101. Conveying device; 102. Clamping device;

[0063] 2. Purlin assembly module; 201. Purlin loading equipment; 202. Purlin handling equipment;

[0064] 3. Purlin connection module; 301. Connector loading device; 302. Connector handling device; 303. Connector fastening device; 304. First fastener feeding device;

[0065] 4. Component assembly module; 401. Photovoltaic component loading equipment; 402. Photovoltaic component handling equipment; 403. Photovoltaic component fastening equipment; 404. Second fastener feeding equipment;

[0066] 5. Aircraft head assembly module; 501. Aircraft head loading equipment; 502. Aircraft head handling equipment; 503. Aircraft head fastening equipment; 504. Third fastener feeding equipment;

[0067] 6. Quality inspection module; 601. Quality inspection frame; 602. Flatness quality inspection equipment; 603. Photovoltaic module quality inspection equipment; 604. Fastener quality inspection equipment;

[0068] 7. Offline module; 701. Lifting device;

[0069] 8. Photovoltaic unit; 801. Purlin; 802. Connector; 803. Photovoltaic module; 804. Aircraft nose. DETAILED DESCRIPTION

[0070] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0071] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0072] Reference Figure 1-Figure 11 The present invention provides a fixed photovoltaic unit automatic assembly production line, comprising a main conveying mechanism 1, a purlin assembly module 2, a purlin connection module 3, a component assembly module 4, an aircraft head assembly module 5, a quality inspection module 6 and a downline module 7, which are sequentially arranged along the conveying direction of the main conveying mechanism 1;

[0073] The purlin assembly module 2 is used to transfer a plurality of purlins 801 in the fixed photovoltaic unit 8 to the main conveying mechanism 1;

[0074] The purlin connection module 3 is used to connect a plurality of purlins 801 on the main conveying mechanism 1 into a plurality of purlin groups;

[0075] The component assembly module 4 is used to connect a plurality of photovoltaic components 803 in the fixed photovoltaic unit 8 with a plurality of purlin groups to form a purlin component assembly;

[0076] The aircraft head assembly module 5 is used to connect a plurality of aircraft heads 804 in the fixed photovoltaic unit 8 with a plurality of purlin groups in the purlin assembly assembly to form the fixed photovoltaic unit 8;

[0077] The quality inspection module 6 is used to perform defect quality inspection on the fixed photovoltaic unit 8;

[0078] The offline module 7 is used to transport the fixed photovoltaic unit 8 out of the main conveying mechanism 1 .

[0079] After a number of purlins 801 are transferred to the main conveying mechanism 1 through the purlin assembly module 2, the purlin connection module 3 connects the several purlins 801 on the main conveying mechanism 1 into several purlin groups, and then the component assembly module 4 connects a number of photovoltaic components 803 with a number of purlin groups to form a purlin component assembly, and finally the aircraft head assembly module 5 connects a number of aircraft heads 804 with a number of purlin groups in the purlin component assembly to form a fixed photovoltaic unit 8, and then the quality inspection module 6 performs defect inspection and then transfers the fixed photovoltaic unit 8 out of the main conveying mechanism 1 through the offline module 7, forming an industrialized assembly line working mode, which can assemble fixed photovoltaic units 8 in batches and on a large scale, and can transfer the assembly process to indoors, thereby improving the standardization of fixed photovoltaic unit assembly, thereby greatly reducing material loss during construction, greatly improving installation efficiency while reducing labor demand, greatly improving the quality of photovoltaic power station construction, and reducing the construction cost of photovoltaic power stations.

[0080] In this embodiment, the main transmission mechanism 1 includes:

[0081] Transmission equipment 101;

[0082] A plurality of clamping devices 102 are disposed on the conveying device 101 , and the clamping devices 102 are used to clamp and fix a plurality of purlins 801 .

[0083] The conveying device 101 may be a ground rail or a conveying chain or a die-forged chain or a double-speed chain or a roller line;

[0084] The clamping device 102 can clamp the fixed photovoltaic unit 8 and move forward and backward along the conveying direction of the conveying device 101, and stop at a preset designated position. The clamping device 102 has a self-centering clamping claw and can clamp the purlin 801;

[0085] The main transmission mechanism 1 can be installed on the hardened ground or on a foundation.

[0086] In one embodiment, the conveying device 101 is three parallel arranged ground rails, each of which is 35 meters long and fixed to the hardened ground through support columns; the clamping device 102 is a 5-meter wide steel structure, which spans the three ground rails and can move forward and backward accurately according to control signals. The clamping device 102 is equipped with a self-centering clamp that can clamp four purlins 801, and the spacing between each centering clamp is determined according to the design spacing of the four purlins 801.

[0087] Furthermore, the conveying device 101 can also be two parallel conveying chains, each of which is 50 meters long and fixed on a pile foundation through a steel structure truss.

[0088] In this embodiment, the purlin assembly module 2 includes:

[0089] A purlin feeding device 201, on which a plurality of purlins 801 are arranged, and the purlin feeding device 201 is a roller line or a conveyor belt or a conveyor chain;

[0090] The purlin handling device 202 is used to carry the purlin 801 on the purlin loading device 201 to the main conveying mechanism 1. The purlin handling device 202 uses a truss-type multi-axis module spanning the main conveying mechanism 1 or a six-axis robot arm arranged on the side of the main conveying mechanism 1.

[0091] In one embodiment, the purlin feeding device 201 is a belt conveyor device, which is 5 meters long and placed on the ground. More than 30 purlins 801 can be manually arranged thereon. After receiving the feeding signal, the purlin feeding device 201 will drive the belt to rotate, and sequentially convey the purlins 801 arranged thereon to the front end of the discharge position; the purlin handling device 202 uses a truss-type two-axis module, and the span of the purlin handling device is 5.5 meters. Each purlin 801 requires two purlin handling devices 202 to clamp it synchronously one in front and one behind, and transfer it from the purlin feeding device 201 to the clamping device 102.

[0092] In this embodiment, the purlin connection module 3 includes:

[0093] A connecting piece feeding device 301 is provided with a plurality of connecting pieces 802, and the connecting piece feeding device 301 is a roller line or a conveyor belt or a conveyor chain;

[0094] The connector handling device 302 is used to carry the connector 802 to a plurality of purlins 801 on the main conveying mechanism 1. The connector handling device 302 may use a truss-type multi-axis module that spans the main conveying mechanism 1 or a six-axis robot arm that is arranged on the side of the main conveying mechanism 1.

[0095] A first fastener feeding device 304, on which a plurality of fasteners are arranged, the fasteners are bolts and nuts, and the first fastener feeding device 304 uses air blowing or a feeding table to provide bolts and nuts piece by piece;

[0096] The connector fastening device 303 is used to assemble the connector 802 to a plurality of purlins 801, and to take out the fasteners on the first fastener feeding device 304 and assemble them to the connector 802 and the purlin 801, so that a plurality of purlins 801 are connected into a purlin group. The connector fastening device 303 uses a six-axis robot arm or a multi-axis module.

[0097] In one embodiment, the connector loading device 301 is a sprocket-chain plate conveying device. The connector loading device 301 is 2 meters long and is placed on the ground. More than 30 purlin connectors 802 can be manually arranged thereon. After receiving the loading signal, the connector loading device 301 will drive the sprocket to rotate, and sequentially convey the connectors 802 arranged thereon to the front end unloading position; the connector handling device 302 uses a six-axis collaborative robot equipped with a clamp, which can place the connector 802 from the connector loading device 301 to the connection between two purlins 801; the connector fastening device 303 uses a six-axis robotic arm equipped with an automatic wrench manual assembly, which can take out the combination bolts and flange nuts from the first fastener feeding device 304 on the delivery table, and automatically fasten the purlin 801 and the purlin connector 802 together.

[0098] Furthermore, the connector fastening device 303 may also be a handheld automatic wrench, which uses manual screwing to fasten the purlin connector 802 and the purlin 801 together.

[0099] In this embodiment, the component assembly module 4 includes:

[0100] A photovoltaic module loading device 401, on which a plurality of photovoltaic modules 803 are arranged, and the photovoltaic module loading device 401 is a roller line or a conveyor belt or a conveyor chain;

[0101] The photovoltaic module handling device 402 is used to carry a plurality of photovoltaic modules 803 on the photovoltaic module loading device 401 to a plurality of purlin groups. The photovoltaic module handling device 402 uses a six-axis robot arm with a suction cup group clamp arranged on the side of the main conveying mechanism 1;

[0102] A second fastener feeding device 404 is provided with fasteners, such as bolts and nuts, and the second fastener feeding device 404 provides bolts and nuts piece by piece by means of air blowing or a feeding table;

[0103] The photovoltaic module fastening device 405 is used to take out the fasteners on the second fastener feeding device 404 and assemble them to the purlin group and the photovoltaic module 803, so that several purlin groups and several photovoltaic modules 803 are connected into a purlin assembly assembly. The photovoltaic module fastening device 405 uses a six-axis robot arm or a multi-axis module.

[0104] In one embodiment, the photovoltaic module loading equipment 401 is a rack-type equipment. The photovoltaic module loading equipment 401 is 2 meters long and is placed on the ground. More than 20 photovoltaic modules 803 can be manually arranged on it. The photovoltaic module loading equipment 401 places the photovoltaic modules 803 horizontally on the long side and vertically on the short side, and the photovoltaic panel surface is placed in sequence with a 5° tilt. The photovoltaic module handling equipment 402 uses a six-axis industrial robot equipped with a suction cup group, which can suck the photovoltaic modules 803 from the photovoltaic module loading equipment 401 in sequence and place them on top of two purlins 801, and align the four mounting holes on the photovoltaic modules 803 with the four mounting holes on the purlins 801. The photovoltaic module fastening equipment 403 uses a six-axis robotic arm equipped with an automatic wrench manual assembly, which can take out the combination bolts and flange nuts from the second fastener feeding equipment 404 on the delivery table, and automatically fasten the purlins 801 and the photovoltaic modules 803 together.

[0105] Furthermore, the photovoltaic module fastening device 403 may also be a handheld automatic wrench, which uses manual screwing to fasten the purlin 801 and the photovoltaic module 803 together.

[0106] In this embodiment, the aircraft head assembly module 5 includes:

[0107] The aircraft head feeding device 501 is provided with a plurality of aircraft heads 804, and the aircraft head feeding device 501 has a roller line or a conveyor belt or a conveyor chain;

[0108] The aircraft head transport device 502 is used to transport a plurality of aircraft heads 804 on the aircraft head loading device 501 to the purlin assembly assembly. The aircraft head transport device 502 uses a six-axis robot arm with a clamp arranged on the side of the main conveying mechanism 1;

[0109] A third fastener feeding device 504 is provided with a plurality of fasteners, which are bolts and nuts, and the bolts and nuts are provided piece by piece by means of air blowing or a feeding table;

[0110] The aircraft head fastening device 503 is used to take out the fasteners on the third fastener feeding device 504 and assemble them to the purlin group and the aircraft head 804, so that several purlin groups, several photovoltaic modules 803 and several aircraft heads 804 are connected into a fixed photovoltaic unit 8. The aircraft head fastening device 503 uses a six-axis robotic arm or a multi-axis module.

[0111] In one embodiment, the aircraft head loading equipment 501 is a rack-type equipment. The photovoltaic module loading equipment 501 is 2 meters long and placed on the ground. More than 10 aircraft heads 804 can be manually arranged thereon. A card slot is provided on the surface of the aircraft head loading equipment 501, so that the aircraft heads 804 can be placed in an upright posture in sequence; the aircraft head handling equipment 502 uses a six-axis industrial robot equipped with a clamp, which can clamp the aircraft heads 804 from the aircraft head loading equipment 501 in sequence and place them under the four purlins 801, and align the four mounting holes on the aircraft head 804 with the four mounting holes on the purlins 801; the aircraft head fastening equipment 503 uses a six-axis robotic arm equipped with an automatic wrench manual assembly, which can take out the combination bolts and flange nuts from the third fastener feeding equipment 504 on the delivery table, and automatically fasten the purlins 801 and the aircraft head 804 together.

[0112] Furthermore, the nose fastening device 503 may also be a handheld automatic wrench, which uses manual screwing to fasten the purlin 801 and the nose 804 together.

[0113] In this embodiment, the quality inspection module 6 includes:

[0114] The quality inspection frame 601 is a frame structure arranged across the main conveying mechanism 1;

[0115] The flatness inspection device 602 is arranged on the inspection frame 601 and is used to inspect the flatness of the fixed photovoltaic unit 8;

[0116] Photovoltaic module quality inspection equipment 603, which is arranged on the quality inspection frame 601, and is used to detect quality defects of the photovoltaic module 803;

[0117] The fastener quality inspection device 604 is arranged at the bottom of the quality inspection frame 601 , and is used to spot-check the locking status of the fasteners on the fixed photovoltaic unit 8 .

[0118] The quality inspection module 6 can ensure that the fixed photovoltaic unit 8 leaving the factory does not have problems such as hidden cracks, twisting deformation or loose bolts.

[0119] In one embodiment, the quality inspection frame 601 is a gantry frame spliced ​​with H-shaped steel, which is 5.5 meters wide, 2.5 meters high and 1 meter thick; the flatness quality inspection equipment 602 is two point cloud scanning devices, which are fixed on the top truss of the quality inspection frame 601 and arranged vertically downward; the photovoltaic module quality inspection equipment 603 is an infrared detection equipment, which is fixed at the center of the top truss of the quality inspection frame 601 and arranged vertically downward; the fastener quality inspection equipment 604 is two hydraulic cylinders, each of which is equipped with two visual cameras for photographing the exposed thread length of the bolt connection pair.

[0120] In this embodiment, the offline module 7 includes:

[0121] The lifting device 701 is used to lift several aircraft heads 804 in the fixed photovoltaic unit 8.

[0122] In one embodiment, the lifting device 701 is a pair of two hydraulic lifting mechanisms, for a total of four pairs. Each pair of hydraulic lifting mechanisms is fixed at the two ends of each aircraft head 804 when the photovoltaic unit 8 stops at the offline position. When offline, each hydraulic lifting mechanism extends from the side of the main conveying mechanism 1 and lifts the fixed photovoltaic unit 8, so that the lowest point of the aircraft head 804 is higher than the clamping device 102, and then the clamping device 102 can be returned to the starting point of the conveying device 101.

[0123] Furthermore, the lifting device is a pulley mechanism respectively arranged on both sides of the walking space of the aircraft head 804. When going offline, the four clamping devices 102 of the main conveying mechanism 1 release the clamping of the four purlins 801 in sequence when reaching the end point of the conveying device. At the same time, the conveyor belt of the lifting device 701 supports the two ends of the aircraft head 804 and relies on friction to transport the fixed photovoltaic unit 8 forward to the offline area.

[0124] Furthermore, the purlins 801 are all C-shaped steel profiles with a length of 7.5 meters; the connecting parts 802 are channel steels with a length of 250 mm; the photovoltaic modules 803 are photovoltaic panels with a length of 2.2 meters and a width of 1.1 meters; the aircraft nose 804 is pre-assembled from C-shaped steel diagonal beams, diagonal braces, columns and cross arms, and the aircraft nose 804 is 4 meters wide and 1 meter high.

[0125] The present invention also provides a method for automatically assembling a fixed photovoltaic unit, comprising:

[0126] The purlin assembly module 2 transfers a plurality of purlins 801 to the main conveying mechanism 1, and the purlin loading devices 201 on both sides each transport a purlin 801 to the discharging position; the purlin transporting devices 202 on both sides each clamp a purlin 801 and place it on the clamping device 102; the clamping device 102 clamps two purlins 801; the above steps are repeated until all four purlins 801 are clamped by the clamping devices 102;

[0127] The main conveying mechanism 1 is used to transfer a plurality of purlins 801 to the purlin connection module 3, and the purlin connection module 3 connects the plurality of purlins 801 on the main conveying mechanism 1 into a plurality of purlin groups; the clamping device 102 moves forward 8 meters, so that the end connection of the purlin 801 stops at the purlin connection module 3; the connecting piece feeding devices 301 on both sides each convey a connecting piece 802 to the discharging position; the connecting piece conveying devices 302 on both sides each clamp a connecting piece 802 and place it at the end connection of two purlins 801; the two connecting piece fastening devices 303 take the bolts and nuts from the corresponding first fastening piece feeding devices 304, and fasten the two purlins 801 and one connecting piece 802 together by bolt connection; the above steps are repeated until the four connecting pieces 802 are assembled;

[0128] The main conveying mechanism 1 is used to transfer a plurality of purlin groups to the component assembly module 4, and the component assembly module 4 connects a plurality of photovoltaic components 803 with a plurality of purlin groups to form a purlin component assembly. The clamping device 102 moves forward to stop the position of the purlin 801 where the photovoltaic component 803 needs to be installed at the component assembly module 4, and the two photovoltaic component loading devices 401 each transport a photovoltaic component 803 to the discharge position; the two photovoltaic component handling devices 402 each absorb a photovoltaic component 803 and place it at the designed position above the two purlins 801, so that the four mounting holes on the purlins 801 and the photovoltaic components 803 are aligned; the two photovoltaic component fastening devices 403 take the bolts and nuts from the corresponding second fastener feeding devices 404, and each fasten the two purlins 801 and a photovoltaic component 803 together by bolting; the above steps are repeated until all 26 photovoltaic components 803 are assembled;

[0129] The purlin assembly assembly is transferred to the aircraft head assembly module 5 by the main conveying mechanism 1, and the aircraft head assembly module 5 connects a plurality of aircraft heads 804 with a plurality of purlin groups in the purlin assembly assembly to form a fixed photovoltaic unit 8, and the clamping device 102 moves forward to stop the position of the purlin 801 where the aircraft head 804 needs to be installed at the aircraft head assembly module 5; the aircraft head loading device 501 transports the aircraft head 804 to the unloading position; the aircraft head handling device 502 clamps Hold the aircraft head 804 and rotate it 30° to make the upper end of the aircraft head 804 horizontal, and place the aircraft head 804 to the designed position below the four purlins 801, so that the mounting holes on the aircraft head 804 and the four purlins 801 are aligned; the aircraft head fastening device 503 takes the bolts and nuts from the third fastener feeding device 504, and fastens the purlin 801 and the aircraft head 804 together through bolt connection; repeat the above steps until the four aircraft heads 804 are assembled;

[0130] The fixed photovoltaic unit 8 is transferred to the quality inspection module 6 by the main conveying mechanism 1, and the quality inspection module 6 performs defect quality inspection on the fixed photovoltaic unit 8. The clamping device 102 moves forward so that the section of the fixed photovoltaic unit 8 that needs quality inspection stops at the quality inspection module 6; the flatness quality inspection device 602, the photovoltaic module quality inspection device 603 and the fastener quality inspection device 604 are used to evaluate the assembly quality of the fixed photovoltaic unit 8;

[0131] If the quality of the fixed photovoltaic unit 8 meets the preset requirements, the next step is entered; otherwise, a quality failure alarm is issued and personnel are notified to handle the problem. The next step can be entered only after the problem is handled;

[0132] The fixed photovoltaic unit 8 is transferred to the offline module 7 through the main conveying mechanism 1, and the offline module 7 transfers the fixed photovoltaic unit 8 out of the main conveying mechanism 1, and the clamping device 102 moves forward to stop the fixed photovoltaic unit 8 at the corresponding position of the offline module 7; all the clamping devices 102 release the purlin 801; if the lifting device 701 is against several aircraft heads 804 and the entire photovoltaic unit 8 is separated from the clamping device 102; the clamping device 102 returns to the starting point of the main conveying mechanism 1; use a transport trolley, forklift, gantry crane and other equipment to transfer.

[0133] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0134] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A fixed photovoltaic unit automated assembly production line, characterized in that: It comprises a main conveying mechanism (1), a purlin assembly module (2) arranged in sequence along the conveying direction of the main conveying mechanism (1), a purlin connection module (3), a component assembly module (4), a head assembly module (5), a quality inspection module (6) and a downline module (7); The purlin assembly module (2) is used to transfer a plurality of purlins (801) in a fixed photovoltaic unit (8) to the main conveying mechanism (1); The purlin connection module (3) is used to connect a plurality of purlins (801) on the main transmission mechanism (1) into a plurality of purlin groups; The component assembly module (4) is used to connect a plurality of photovoltaic components (803) in the fixed photovoltaic unit (8) with a plurality of purlin groups to form a purlin component assembly; The nose assembly module (5) is used to connect a plurality of noses (804) in the fixed photovoltaic unit (8) with a plurality of purlin groups in the purlin assembly assembly to form the fixed photovoltaic unit (8); The quality inspection module (6) is used to perform defect quality inspection on the fixed photovoltaic unit (8); The downline module (7) is used to transport the fixed photovoltaic unit (8) out of the main conveying mechanism (1).

2. The fixed photovoltaic unit automated assembly production line according to claim 1, characterized in that: The main transmission mechanism (1) comprises: A transmission device (101); A plurality of clamping devices (102) are arranged on the conveying device (101), and the clamping devices (102) are used to clamp and fix a plurality of the purlins (801).

3. The fixed photovoltaic unit automated assembly production line according to claim 1, characterized in that: The purlin assembly module (2) comprises: A purlin feeding device (201) on which a plurality of purlins (801) are arranged; The purlin transport device (202) is used to transport the purlin (801) on the purlin loading device (201) to the main conveying mechanism (1).

4. The fixed photovoltaic unit automated assembly production line according to claim 1, characterized in that: The purlin connection module (3) comprises: A connecting piece feeding device (301) on which a plurality of connecting pieces (802) are arranged; A connecting piece transporting device (302) for transporting the connecting piece (802) to a plurality of purlins (801) on the main conveying mechanism (1); A first fastener feeding device (304) having a plurality of fasteners disposed thereon; The connecting piece fastening device (303) is used to assemble the connecting piece (802) onto a plurality of the purlins (801), and to take out the fasteners on the first fastener feeding device (304) and assemble them onto the connecting piece (802) and the purlins (801), so that the plurality of the purlins (801) are connected into the purlin group.

5. The fixed photovoltaic unit automated assembly production line according to claim 1, characterized in that: The component assembly module (4) comprises: A photovoltaic module loading device (401) on which a plurality of photovoltaic modules (803) are arranged; A photovoltaic module transport device (402) is used to transport the plurality of photovoltaic modules (803) on the photovoltaic module loading device (401) to the plurality of purlin groups; a second fastener feeding device (404) having fasteners disposed thereon; The photovoltaic module fastening device (405) is used to take out the fasteners on the second fastener feeding device (404) and assemble them onto the purlin group and the photovoltaic module (803), so that a plurality of the purlin groups and a plurality of the photovoltaic modules (803) are connected to form the purlin module assembly.

6. The fixed photovoltaic unit automated assembly production line according to claim 1, characterized in that: The aircraft head assembly module (5) comprises: A plane head loading device (501) on which a plurality of the plane heads (804) are arranged; A plane head transport device (502) is used to transport a plurality of the plane heads (804) on the plane head loading device (501) to the purlin assembly assembly; a third fastener feeding device (504) on which a plurality of fasteners are arranged; The aircraft head fastening device (503) is used to take out the fasteners on the third fastener feeding device (504) and assemble them onto the purlin group and the aircraft head (804), so that a plurality of the purlin groups, a plurality of the photovoltaic modules (803) and a plurality of the aircraft heads (804) are connected to form the fixed photovoltaic unit (8).

7. A fixed photovoltaic unit automated assembly production line according to claim 4, 5 or 6, characterized in that: The quality inspection module (6) comprises: Quality control framework (601); A flatness inspection device (602) is arranged on the inspection frame (601), and the flatness inspection device (602) is used to inspect the flatness of the fixed photovoltaic unit (8); A photovoltaic module quality inspection device (603) is arranged on the quality inspection frame (601), and the photovoltaic module quality inspection device (603) is used to detect quality defects of the photovoltaic module (803); The fastener quality inspection device (604) is arranged at the bottom of the quality inspection frame (601), and the fastener quality inspection device (604) is used to randomly check the locking status of the fasteners on the fixed photovoltaic unit (8).

8. The fixed photovoltaic unit automated assembly production line according to claim 1, characterized in that: The offline module (7) comprises: A lifting device (701), wherein the lifting device (701) is used to lift a plurality of the aircraft heads (804) in the fixed photovoltaic unit (8).

9. The fixed photovoltaic unit automated assembly production line according to claim 4, 5 or 6, characterized in that: The fasteners include bolts and nuts.

10. A method for assembling a fixed photovoltaic unit automatically, based on a production line for assembling a fixed photovoltaic unit automatically according to any one of claims 1 to 9, characterized in that: include: The purlin assembly module (2) transfers a plurality of the purlins (801) to the main conveying mechanism (1); The main conveying mechanism (1) is used to transfer the plurality of purlins (801) to the purlin connection module (3), and the purlin connection module (3) connects the plurality of purlins (801) on the main conveying mechanism (1) into a plurality of purlin groups; The main conveying mechanism (1) is used to transfer the plurality of purlin groups to the component assembly module (4), and the component assembly module (4) connects the plurality of photovoltaic components (803) with the plurality of purlin groups to form a purlin component assembly; The purlin assembly assembly is transferred to the aircraft head assembly module (5) by the main conveying mechanism (1), and the aircraft head assembly module (5) connects a plurality of aircraft heads (804) with a plurality of purlin groups in the purlin assembly assembly to form the fixed photovoltaic unit (8); The fixed photovoltaic unit (8) is transferred to the quality inspection module (6) by the main conveying mechanism (1), and the quality inspection module (6) performs defect quality inspection on the fixed photovoltaic unit (8); The fixed photovoltaic unit (8) is transferred to the downstream module (7) by the main conveying mechanism (1), and the fixed photovoltaic unit (8) is transferred out of the main conveying mechanism (1) by the downstream module (7).

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