CN220190704U - Quick block cable connection structure for offshore suspension cable photovoltaic - Google Patents

Abstract

The utility model provides a quick block cable connection structure for offshore suspension cable photovoltaic, which comprises a photovoltaic module and a cable structure, wherein the photovoltaic module is arranged on a module beam, a beam connection structure is arranged on the cable structure in a preset connection mode, and the beam connection structure comprises an automatic locking structure and a bearing platform which are connected and matched with the end part of a string steel pipe on the module beam; the automatic locking structure is arranged on the bearing platform, and guide grooves which are in installation fit with the chord steel pipes are arranged in the automatic locking structure in a directional connection mode; the guide groove is internally provided with an open pressing groove in a directional sliding manner, and a connecting piece which is staggered with the axial direction of the open pressing groove is arranged outside the guide groove. According to the utility model, the beam connecting structure is arranged on the cable structure, so that the beam connecting structure is rigidly connected with the photovoltaic module, and the beam connecting structure and the photovoltaic module are rigid, so that shearing force and axial force transmitted by the photovoltaic module at two sides can be borne.

Description

Quick block cable connection structure for offshore suspension cable photovoltaic

Technical Field

The utility model relates to the technical field of offshore photovoltaic power generation, in particular to a rapid block cable connecting structure for offshore suspension cable photovoltaics.

Background

Solar energy is used as renewable clean energy and is used for replacing conventional fossil energy. With the development of photovoltaic technology, photovoltaic power generation technology is becoming an important means of utilizing solar energy resources. In recent years, offshore photovoltaic in China has also been rapidly developed, and a plurality of offshore photovoltaic power stations have been built in southeast coastal areas of China. However, the existing offshore photovoltaic power station site selection is mainly located on coastal beach, the offshore photovoltaic project which is actually used in offshore is not many, and in order to promote the photovoltaic power station to be applied in offshore, the offshore suspension photovoltaic is proposed and applied in some projects.

The offshore suspension cable photovoltaic structure is influenced by wind and waves during construction and operation relative to the onshore photovoltaic structure, the construction difficulty is high, and the cost for hoisting on the sea is far greater than that on the land.

In the traditional offshore suspension cable photovoltaic bracket, a connecting structure is generally arranged on the module and then is directly connected with the cable body, and the connecting method has a simple structure, but has the following problems: (1) The cable structure is flexible and cannot transmit shearing force and axial force, and in order to combine two adjacent photovoltaic assembly modules to bear force, the traditional connecting mode needs to additionally arrange a connecting structure between the two modules after the photovoltaic assembly modules are installed, so that additional construction procedures are brought, and the field construction workload is increased; (2) When the module is directly connected with the cable structure, the module can not be accurately positioned, the installation position of the module on the cable structure is inaccurate, after a plurality of modules are installed, the error accumulation of the modules can lead to larger and larger installation errors, if the modules are accurately installed, the requirement on hoisting precision is too high, the construction auxiliary measures are too many, the construction period is longer, and the construction cost is too high.

Disclosure of Invention

The utility model aims to provide a block cable connecting structure which can carry out joint stress and joint deformation, can adapt to errors in hoisting and can be quickly installed.

For this purpose, the utility model adopts the following technical scheme:

the quick block cable connection structure comprises a photovoltaic module and a cable structure, wherein the photovoltaic module is arranged on a module beam, and is connected with a beam connection structure in a preset mode on the cable structure, and the beam connection structure comprises an automatic locking structure and a bearing platform which are connected and matched with the end part of a string steel pipe on the module beam; the automatic locking structure is arranged on the bearing platform, and guide grooves which are in installation fit with the chord steel pipes are arranged in the automatic locking structure in a directional connection mode; the guide groove is internally provided with an open pressing groove in a directional sliding manner, a connecting piece which is staggered with the axial direction of the open pressing groove is arranged outside the guide groove, and the connecting piece which can elastically move is in a limiting type opening state or a movable type closing state for the guide groove through the open pressing groove; and the module beam single side is integrally connected with the beam connecting structure in the cable structure area so as to be rigidly connected with the photovoltaic assembly module.

Further: the automatic locking structure comprises a first connecting plate and a second connecting plate, wherein the first connecting plate and the second connecting plate are arranged in opposite directions, and the guide groove with the middle part left is formed.

Further: the first connecting plate and the second connecting plate are internally provided with reserved holes only for the connecting pieces to pass through, and the guide grooves are divided into accommodating spaces and connecting spaces where the reserved holes are located.

Further: and the outer side wall of the first connecting plate is provided with a limit sleeve matched with the connecting piece.

Further: and a spring connected with the outer side wall of the first connecting plate is arranged outside the connecting piece.

Further: the transverse beam connecting structure comprises a transverse fixing structure arranged at the side end of the guide groove, and the transverse fixing structure comprises a first buckle which is detachably connected and arranged on the bearing platform, and a first groove part for the chord steel pipe to pass through is formed in the first buckle.

Further: the beam connecting structure comprises a cable plate connecting structure connected with the cable structure, the cable plate connecting structure comprises a second buckle which is detachably connected with the bearing platform, and a second groove part for the cable structure to pass through is formed in the second buckle.

Further: and a vertical connecting structure is connected between the bearing platforms on the rope structure on the same side.

Further: a photovoltaic connecting structure is arranged between the module beam and a photovoltaic panel on the photovoltaic assembly module, and comprises a connecting bolt, an upper steel cushion block and a lower steel cushion block; the upper steel cushion block and the lower steel cushion block are matched with the outer surface of the module beam, a connecting channel for the connecting bolt to pass through is commonly formed in the photovoltaic panel, the module beam, the upper steel cushion block and the lower steel cushion block, and a connecting nut is fastened on the connecting bolt.

Further: the module beam comprises a vertical web steel pipe and an inclined web steel pipe; the vertical-web steel pipes and the inclined-web steel pipes are connected between the chord steel pipes on the adjacent sides, and a space is reserved between the vertical-web steel pipes and the ends of the chord steel pipes.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the beam connecting structure is arranged on the cable structure, so that the beam connecting structure is rigidly connected with the photovoltaic module, and the beam connecting structure and the photovoltaic module are rigid, so that shearing force and axial force transmitted by the photovoltaic module at two sides can be borne, and the rigid connection between the modules can be realized after the photovoltaic module at two sides is installed, and the connecting structure is not required to be additionally installed between the modules, thereby simplifying construction procedures, saving offshore workload and reducing offshore operation time. The utility model can adapt to errors in module hoisting, namely, a positioning facility is preset, the installation position of the photovoltaic module is fixed, the field measurement positioning and accumulated errors in module hoisting are avoided, and the quick construction in module hoisting is realized.

Drawings

FIG. 1 is a plan view of a fast block cable connection structure of an offshore suspension cable photovoltaic of the present utility model;

FIG. 2 is a cross-sectional view of a photovoltaic panel connection structure of the present utility model at a first viewing angle;

FIG. 3 is a cross-sectional view of a photovoltaic panel connection structure of the present utility model at a second viewing angle;

FIG. 4 is a front view of the beam attachment structure of the present utility model;

FIG. 5 is a rear view of the beam attachment structure of the present utility model;

FIG. 6 is a side view of the beam attachment structure of the present utility model;

FIG. 7 is a cross-sectional view of the beam attachment structure of the present utility model;

FIG. 8 is a schematic view of the first trigger phase of the automatic locking mechanism of the present utility model;

FIG. 9 is a schematic diagram of the second trigger phase of the automatic locking mechanism of the present utility model;

FIG. 10 is a schematic diagram of a third triggering phase of the automatic locking mechanism of the present utility model;

FIG. 11 is a schematic diagram of a fourth triggering phase of the automatic locking mechanism of the present utility model;

FIG. 12 is a plan view of the automatic locking mechanism of the present utility model;

FIG. 13 is a side view of the automatic locking mechanism of the present utility model;

fig. 14 is a schematic view of a cable plate attachment structure of the present utility model.

The marks in the drawings are: 1-photovoltaic panels, 2-photovoltaic connection structures, 21-connection bolts, 22-bolt gaskets, 23-upper steel cushion blocks, 24-lower steel cushion blocks, 25-connection nuts, 3-module beams, 31-chord steel pipes, 32-vertical web steel pipes, 33-diagonal web steel pipes, 34-round ring steel end plates, 4-beam connection structures, 41-bearing platforms, 42-automatic locking structures, 421-first connection plates, 422-second connection plates, 423-limit sleeves, 424-springs, 425-connection pieces, 426-preformed holes, 427-open press grooves, 43-transverse fixing structures, 431-first buckles, 432-first nuts, 44-cable plate connection structures, 441-second buckles, 442-U-shaped cushion blocks, 443-second nuts, 45-vertical connection structures and 5-cable structures.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.

The embodiment provides an offshore photovoltaic power generation field matched with a block rope connecting structure, wherein the water depth of a photovoltaic power station area of the offshore photovoltaic power generation field is 5m, the wave height of 50 years is 4m, the offshore photovoltaic adopts a 34m multiplied by 25m large-span suspension rope structure, and the distance between suspension ropes is 8.5m.

As shown in fig. 1-14, a quick block cable connection structure for offshore suspension cable photovoltaic comprises a photovoltaic module and a cable structure 5, wherein the photovoltaic module is arranged on a module beam 3, a beam connection structure 4 is arranged on the cable structure 5 in a pre-positioning connection manner, and the beam connection structure 4 comprises an automatic locking structure 42 and a bearing platform 41 which are connected and matched with the end part of a winding steel pipe 31 on the module beam 3; the automatic locking structure 42 is arranged on the bearing platform 41, and a guide groove which is matched with the chord steel pipe 31 in a mounting way is arranged in the automatic locking structure 42 in a directional connection way; the guide groove is internally provided with an open pressing groove 427 in a directional sliding way, the outside of the guide groove is provided with a connecting piece 425 which is staggered with the axial direction of the open pressing groove 427, and the connecting piece 425 which can move elastically is in a limiting opening state or a movable closing state to the guide groove through the open pressing groove 427; the beam connecting structure 4 in the area of the single-side cable structure 5 of the module beam 3 is integrally connected to be rigidly connected with the photovoltaic assembly module.

In this embodiment, each photovoltaic panel 1 in the photovoltaic module is installed on the module beam 3 through four photovoltaic connection structures 2, seven photovoltaic panels 1 are preferably installed on each section of module beam 3, the module beams 3 are installed on the cable structures 5 on two sides through the beam connection structures 4, and the module beams 3 on two sides of the same cable structure 5 can be connected by using the same group of beam connection structures 4, so as to reduce the dosage of the beam connection structures 4, and improve the overall stability of the photovoltaic module of the offshore suspension cable. Wherein the cable structure 5 is a prestressed wire rope.

Meanwhile, the problem of quick installation of the offshore photovoltaic module on the suspension cable is solved, the project scheme is small in overall engineering quantity, high in economical efficiency and convenient to construct, and the flexible offshore photovoltaic support is facilitated to be popularized and used on the sea.

As shown in fig. 1 to 14, in particular, the module beam 3 includes a vertical web steel pipe 32, a diagonal web steel pipe 33; the vertical web steel pipe 32 and the diagonal web steel pipe 33 are connected between the chord steel pipes 31 on the adjacent sides, and the vertical web steel pipe 32 and the ends of the chord steel pipes 31 are spaced apart from each other.

As shown in fig. 1, in the present embodiment, each section of the module beam 3 is composed of preferably two chord steel pipes 31, two vertical web steel pipes 32, seven diagonal web steel pipes 33 and four circular ring steel end plates 34; the two vertical web steel pipes 32 are arranged at the outermost side between the two chord steel pipes 31, are connected through welding, and reserve a part of which one end can be matched with the beam connecting structure 4 for the chord steel pipes 31; seven steel pipes 33 with inclined web are arranged on the inner side of the steel pipe 32 with vertical web between the two steel pipes 31 and are connected by welding; four circular ring steel end plates 34 are respectively arranged on two sides of the end parts of the two chord steel pipes 31 and are connected through welding.

As shown in fig. 2-3, in particular, a photovoltaic connection structure 2 is arranged between a module beam 3 and a photovoltaic panel 1 on a photovoltaic assembly module, and the photovoltaic connection structure 2 comprises a connection bolt 21, an upper steel cushion block 23 and a lower steel cushion block 24; the upper steel cushion block 23 and the lower steel cushion block 24 are matched with the outer surface of the module beam 3, and connecting channels for the connecting bolts 21 to pass through are commonly formed in the photovoltaic panel 1, the module beam 3, the upper steel cushion block 23 and the lower steel cushion block 24, and the connecting nuts 25 are fastened on the connecting bolts 21.

Wherein the upper steel pad 23 and the lower steel pad 24 are preferably U-shaped, and the concave parts of the upper steel pad and the lower steel pad are matched with the surfaces of the chord steel pipes 31. And since the photovoltaic panel 1 is disposed above the module beam 3, the upper steel pad 23 is disposed between the photovoltaic panel 1 and the chord steel pipe 31. The bolt gaskets 22, the photovoltaic panel 1, the upper steel cushion block 23, the module beam 3 and the lower steel cushion block 24 are fixed through the connecting bolts 21 and the connecting nuts 25. Meanwhile, a bolt gasket 22 is arranged on the connecting bolt 21, and the bolt gasket 22 needs to be made into an opening spring gasket to prevent the nut from being reversely sent out under the action of a reciprocating load, or is changed into a double nut.

As shown in fig. 4 to 7, the beam connecting structure 4 in this embodiment includes a bearing platform 41, an automatic locking structure 42, a transverse fixing structure 43, a cable plate connecting structure 44, and a vertical connecting structure 45; the module beam 3 is arranged on the bearing platform 41 through an automatic locking structure 42 and a transverse fixing structure 43; the bearing platform 41 is arranged on the cable structure 5 through a cable plate connecting structure 44; a vertical connecting structure 45 is connected and welded between the two bearing platforms 41 on the same side rope structure 5, so that the single-side beam connecting structure 4 is formed into a whole. Including but not limited to, steel plates for the table 41, pins for the connectors 425, square steel pipes for the vertical connection 45.

As shown in fig. 8 to 13, in particular, the automatic locking structure 42 includes a first connection plate 421 and a second connection plate 422, and the first connection plate 421 and the second connection plate 422 are disposed in opposite directions and form a guide groove with a hollow middle portion. In this embodiment, the first connection plate 421 and the second connection plate 422 are preferably U-shaped steel plates. One end of the first connecting plate 421 and one end of the second connecting plate 422 are flat sections, and the other end of the first connecting plate 421 and the second connecting plate 422 are bevel sections; the bottoms of the first connecting plate 421 and the second connecting plate 422 are short sides of the chamfer, the short sides of the chamfer are on the inner sides, and the U-shaped opening faces outwards.

As shown in fig. 4 to 13, the first connection plate 421 and the second connection plate 422 are provided therein with a preformed hole 426 through which only the connection member 425 passes, and thereby the guide groove is partitioned into a receiving space and a connection space where the preformed hole 426 is located. The length of the guide groove accommodating space is required to be larger than the diameter length of the chord steel pipe 31, and the accommodating space and the connecting space are distinguished through the reserved hole 426.

Wherein, the outer side wall of the first connecting plate 421 is provided with a stop collar 423 matched with the connecting piece 425. The stop collar 423 may be a circular cylindrical stop steel block, and provides a moving guide for the connection member 425 through the stop collar 423, and ensures stability of the connection member 425 when placed.

Wherein the connecting member 425 is externally provided with a spring 424 connected to the outer sidewall of the first connecting plate 421. One end of the spring 424 is welded to the outside of the first connection plate 421 with limit, and the other end is welded at a position optimal for the end of the connection member 425. And the minimum diameter of the spring 424 needs to be greater than the outer diameter of the stop collar 423.

As shown in fig. 8-11, in this embodiment, the connecting piece 425 is in a pulled state before the module beam 3 is installed and is propped against the open pressing groove 427, when the string steel pipe 31 is installed, the open pressing groove 427 is pushed upwards along with the guiding of the module beam 3, the connecting piece 425 is locked under the action of the elastic force of the spring 424, so that the quick locking of the automatic locking piece 42 to the string steel pipe 31 is realized, and the quick hoisting effect is achieved.

As shown in fig. 4 to 7, specifically, the beam connecting structure 4 includes a lateral fixing structure 43 disposed at a side end of the guide groove, and the lateral fixing structure 43 includes a first fastener 431 detachably connected to the base 41, and a first groove portion for passing through the chord steel pipe 31 is formed inside the first fastener 431.

The transverse fixing structures 43 are preferably arranged at two sides of the automatic locking structure 42 and are connected with the chord steel pipes 31 extending out of two sides of the automatic locking structure 42, so as to further ensure the stability of the module beam 3. Next, the first fastener 431 is preferably a U-shaped fastener, and a hole is formed on the platform 41 for only the end of the first fastener 431 to pass through. Meanwhile, the chord steel pipe 31 is fixed on the bearing platform 41 through a first buckle 431, and is fixed through a first nut 432 in threaded fit with the end part of the first buckle 431.

As shown in fig. 14, specifically, the beam connecting structure 4 includes a cable plate connecting structure 44 connected to the cable structure 5, where the cable plate connecting structure 44 includes a second buckle 441, a U-shaped cushion 442, and a second nut 443, and the cable structure 5 is mounted on the connecting steel plate 41 through the U-shaped buckle 441 and the U-shaped cushion 442, and is fixed by the second nut 443.

The cable plate connection structures 44 are preferably disposed on both sides of the support table 41, so as to ensure stability of each part of the support table 41 when connected to the cable structure 5. Second, the second buckle 441 is preferably a U-shaped buckle, and a hole is formed in the bearing platform 41 for only the end of the second buckle 441 to pass through.

Referring to fig. 1-3, the installation method of the block cable connection structure of the offshore suspension cable photovoltaic comprises the following specific steps:

s1: according to the design requirement, the welding and the installation of the related components of the module beam 3 and the connecting structure 4 are finished in advance on land, and the connecting piece 425 of the automatic locking structure 42 is pulled out, so that the end part of the connecting piece 425 is propped against the open pressing groove 427;

s2: mounting a photovoltaic panel 1 on a module beam 3 through a photovoltaic panel connecting structure 2;

s3: the bearing platform 41 welded with the vertical connecting structure 45 is arranged on the cable structure 5 through the cable plate connecting structure 44, so as to provide a preset position for hoisting the module beam 3;

s4: hoisting the module beam 3 with the photovoltaic panel 1 mounted on the automatic locking structure 42, and pushing the open pressing groove 427 upwards along with the module beam 3 when the string steel pipe 31 is mounted, so that the connecting piece 425 is locked under the action of the elastic force of the spring 424, thereby realizing the rapid locking of the string steel pipe 31 by the automatic locking structure 42;

s5: the worker installs the transverse fixing structure 43 in connection with the chord steel pipe 31 in turn, thereby completing the installation of the offshore suspension cable photovoltaic block cable connection structure.

The above embodiment is only one preferred technical solution of the present utility model, and it should be understood by those skilled in the art that modifications and substitutions can be made to the technical solution or parameters in the embodiment without departing from the principle and essence of the present utility model, and all the modifications and substitutions are covered in the protection scope of the present utility model.

Claims (10)

1. A quick piece rope connection structure for marine suspension cable photovoltaic, its characterized in that: the photovoltaic module is arranged on a module beam (3), a beam connecting structure (4) is arranged on the cable structure (5) in a preset connection mode, and the beam connecting structure (4) comprises an automatic locking structure (42) and a bearing platform (41) which are connected and matched with the end portion of a winding steel pipe (31) on the module beam (3);

the automatic locking structure (42) is arranged on the bearing platform (41), and a guide groove which is matched with the chord steel pipe (31) in a mounting way is arranged in the automatic locking structure (42) in a directional connection way;

an open pressing groove (427) is arranged in the guide groove in a directional sliding manner, and a connecting piece (425) which is staggered with the axial direction of the open pressing groove (427) is arranged outside the guide groove;

the module beam (3) is integrally connected with the beam connecting structure (4) in the area of the cable structure (5) at one side so as to be rigidly connected with the photovoltaic assembly module.

2. A quick block cable connection for an offshore suspension photovoltaic according to claim 1, wherein: the automatic locking structure (42) comprises a first connecting plate (421) and a second connecting plate (422), wherein the first connecting plate (421) and the second connecting plate (422) are arranged in opposite directions, and the guide groove with the middle part left is formed.

3. A quick block cable connection for an offshore suspension photovoltaic according to claim 2, wherein: the first connecting plate (421) and the second connecting plate (422) are internally provided with reserved holes (426) for the connecting pieces (425) to pass through, and the guide grooves are divided into accommodating spaces and connecting spaces where the reserved holes (426) are located.

4. A quick block cable connection for an offshore suspension photovoltaic according to claim 2, wherein: and a limiting sleeve (423) matched with the connecting piece (425) is arranged on the outer side wall of the first connecting plate (421).

5. A quick block cable connection for an offshore suspension photovoltaic according to claim 2, wherein: and a spring (424) connected with the outer side wall of the first connecting plate (421) is arranged outside the connecting piece (425).

6. A quick block cable connection for an offshore suspension photovoltaic according to claim 1, wherein: the crossbeam connection structure (4) comprises a transverse fixing structure (43) arranged at the side end of the guide groove, the transverse fixing structure (43) comprises a first buckle (431) detachably connected with the bearing platform (41), and a first groove part for the string steel pipe (31) to pass through is formed in the first buckle (431).

7. A quick block cable connection for an offshore suspension photovoltaic according to claim 1, wherein: the beam connecting structure (4) comprises a cable plate connecting structure (44) connected with the cable structure (5), and the cable plate connecting structure (44) comprises a second buckle (441) detachably connected with the bearing platform (41) and a second groove part for the cable structure (5) to pass through is formed in the second buckle (441).

8. A quick block cable connection for an offshore suspension photovoltaic according to claim 1, wherein: and a vertical connecting structure (45) is connected between the bearing platforms (41) on the same side of the cable structure (5).

9. A quick block cable connection for an offshore suspension photovoltaic according to claim 1, wherein: a photovoltaic connecting structure (2) is arranged between the module beam (3) and the photovoltaic module upper photovoltaic plate (1), and the photovoltaic connecting structure (2) comprises a connecting bolt (21), an upper steel cushion block (23) and a lower steel cushion block (24); go up steel cushion (23) with lower steel cushion (24) with the surface cooperation of module crossbeam (3), and photovoltaic board (1), and module crossbeam (3) go up steel cushion (23) with set up jointly in lower steel cushion (24) and supply connecting channel that connecting bolt (21) passed through, fastening set up coupling nut (25) on connecting bolt (21).

10. A quick block cable connection for an offshore suspension photovoltaic according to claim 1, wherein: the module beam (3) comprises a vertical-web steel pipe (32) and a diagonal-web steel pipe (33); the vertical-web steel pipe (32) and the inclined-web steel pipe (33) are connected and arranged between the chord steel pipes (31) on the adjacent sides, and a space is arranged between the vertical-web steel pipe (32) and the end part of the chord steel pipe (31).