CN116599458B - Cable supporting device of photovoltaic power station on water - Google Patents
Cable supporting device of photovoltaic power station on water Download PDFInfo
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- CN116599458B CN116599458B CN202310868617.4A CN202310868617A CN116599458B CN 116599458 B CN116599458 B CN 116599458B CN 202310868617 A CN202310868617 A CN 202310868617A CN 116599458 B CN116599458 B CN 116599458B
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- cable
- block
- clamping
- spring
- cover plate
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000005188 flotation Methods 0.000 claims abstract description 18
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 230000003139 buffering effect Effects 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
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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
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/12—Installations of electric cables or lines in or on the ground or water supported on or from floats, e.g. in water
-
- 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
- H02S40/30—Electrical components
- H02S40/32—Electrical components comprising DC/AC inverter means associated with the PV module itself, e.g. AC modules
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The application discloses a cable supporting device of a water photovoltaic power station, and mainly relates to the technical field of cable bridges. Including setting up cable and a plurality of flotation pontoon, the flotation pontoon includes punch holder and lower plate, one side of punch holder and lower plate all is equipped with the recess, the centre gripping has the gasbag between two recesses, the bottom of punch holder is equipped with the buffer tank, the top of lower plate is equipped with the buffer block with buffer tank sliding connection, the tip of buffer block is equipped with the dog, be equipped with buffer spring between dog and the lower plate, the side of buffer tank is equipped with the flexible portion that contacts with the buffer block, the cable that is located the flotation pontoon upside is equipped with the relaxation portion, the both ends of relaxation portion all are equipped with clamping device, the middle part of relaxation portion is equipped with the clamp splice of centre gripping cable, the relaxation portion becomes the S-shaped. The application has the beneficial effects that: the problem that the cable cannot be stably fixed for a long time by the existing supporting device is solved, the reliability of connection of the cable and the electronic element is improved, and meanwhile, the supporting device is convenient to maintain and replace.
Description
Technical Field
The application relates to the technical field of water photovoltaic power stations, in particular to a cable supporting device of a water photovoltaic power station.
Background
The photovoltaic power station is a photovoltaic power generation system which is connected with a power grid and transmits power to the power grid, absorbs light energy through a photovoltaic module, and enables two ends of a silicon crystal plate to generate electromotive force under the action of photovoltaic effect, so that the light energy is converted into electric energy, meanwhile, an inverter is matched to convert direct current into alternating current, and the alternating current is connected with the power grid to transmit power to the power grid, so that daily power supply of a user is realized. The existing photovoltaic power station is generally established in a farmland area, and a large amount of land resources are required to be occupied. In recent years, floating type photovoltaic power stations are developed, and the defect that the traditional photovoltaic power stations occupy large land resources is overcome by arranging the photovoltaic power stations on the water surface.
The existing floating type photovoltaic power station comprises a plurality of buoys and photovoltaic modules, the adjacent buoys are connected through connecting pieces to float on the water surface, the photovoltaic modules are installed on the buoys at specific angles, direct current generated by each photovoltaic module is transmitted to an inverter arranged on the shore through a cable, and the cable is generally fixed on a sleeve arranged on the buoys through a binding belt, so that the cable is supported and fixed. However, because the wave on the water surface is large, the stability of the pontoon is poor, and meanwhile, the cable is generally in a straightened state, when the pontoon moves along with the water surface, the cable is easily disconnected from the connection part of the cable and the electronic element after being subjected to excessive tension, and the reliability of the connection of the cable and the electronic element is reduced; in addition, the pontoon generally comprises hollow plastics buoyancy tank, along with the increase of live time, the hollow plastics buoyancy tank is broken easily after receiving the scratch and the impact of showy thing on water, and the plastics buoyancy tank of damage is irrigated to inside easily, leads to its buoyancy to descend, appears the danger of sinking even, is unfavorable for fixing for a long time and support cable, simultaneously when the buoyancy tank damage back, need to remove the cable earlier and the connecting piece with fixed between the pontoon, replace whole pontoon again for maintenance pontoon efficiency is comparatively little, has influenced photovoltaic power plant normal transmission greatly.
Disclosure of Invention
The application aims to provide a cable supporting device of a water photovoltaic power station, which solves the problem that the existing supporting device cannot stably fix a cable for a long time, improves the reliability of connection between the cable and an electronic element, and is convenient to maintain and replace.
The application aims to achieve the aim, and the application is realized by the following technical scheme:
the utility model provides a cable strutting arrangement of photovoltaic power plant on water, includes cable and a plurality of flotation pontoon that set up between photovoltaic module and dc-to-ac converter, the outside cover of cable is equipped with the sleeve of fixing on the flotation pontoon, is equipped with the connecting piece between the adjacent flotation pontoon, the flotation pontoon includes punch holder and lower plate, one side of punch holder and lower plate all is equipped with the recess, two the centre gripping has the gasbag between the recess, be equipped with the access hole that the cooperation gasbag used on the punch holder, the gasbag is located one side of punch holder and is equipped with the gas port, is located the flotation pontoon upside the cable is equipped with the relaxation portion, the both ends of relaxation portion all are equipped with clamping device, and the middle part of relaxation portion is equipped with the clamp splice of centre gripping cable, the relaxation portion takes the shape of S, clamping device includes clamp splice and lower clamp splice, go up clamp splice and lower clamp splice respectively with the upper and lower both sides of cable contact.
Further, strutting arrangement is including setting up the base on the flotation pontoon, the symmetry has the slider along horizontal sliding connection on the base, the tip of slider contacts and drives its along vertical slip with lower clamp splice, one side of base rotates and is connected with the apron, go up the clamp splice along vertical sliding connection on the apron, go up and be equipped with first spring between clamp splice and the apron, be equipped with the second spring between slider and the base.
Further, the upper clamping block and the lower clamping block are arc-shaped, the inner diameter of the arc shape is larger than the outer diameter of the cable, and the clamping blocks are provided with U-shaped clamping grooves for the cable to pass through.
Further, the cover plate is connected with a screw in a sliding manner along the vertical direction, the screw is in threaded connection with the cover plate, and the first spring is arranged between the screw and the upper clamping block.
Further, the upper side of the limiting block is provided with a first inclined surface which is in contact with the limiting groove, and the first spring is arranged between the adjusting block and the upper clamping block.
Further, be equipped with the fixed slot on the stopper, be connected with the fixed block along vertical sliding connection on the apron, be equipped with the fourth spring between fixed block and the apron, be equipped with on the fixed block with stopper sliding connection's through-hole, the upside of through-hole and one side of fixed slot all are equipped with the second inclined plane, two second inclined plane sliding contact.
Further, the end of the fixed block is provided with a groove, a ball matched with the groove in a clamping way is connected to the cover plate in a sliding way in the transverse direction, and a fifth spring is arranged between the ball and the cover plate.
Further, be equipped with a plurality of catching grooves on the base, be equipped with a plurality of locking pieces with catching groove grafting complex on the apron, the tip of locking piece is equipped with catching groove grafting complex arch, bellied one side is equipped with the third inclined plane that contacts with the catching groove.
Further, a driving block and a plurality of wedge-shaped blocks contacting with one side of the locking block are connected in a sliding manner in the cover plate, one side of the driving block is provided with a plurality of wedge-shaped grooves matched with the wedge-shaped blocks, and one side of the wedge-shaped blocks is provided with an arc-shaped surface contacting with the third inclined surface.
Further, the bottom of punch holder is equipped with the buffer tank, the top of lower plate is equipped with the buffer block with buffer tank sliding connection, the tip of buffer block is equipped with the dog, be equipped with buffer spring between dog and the lower plate, the side of buffer tank is equipped with the flexible portion that contacts with the buffer block.
Compared with the prior art, the application has the beneficial effects that:
1. through the cooperation between access hole, gasbag, gas port, punch holder, lower plate, recess to realize the maintenance and the change of flotation pontoon, need not to dismantle cable and connecting piece simultaneously, simplified the operation procedure of maintenance flotation pontoon, improved the efficiency of maintenance flotation pontoon, in addition, through setting up on the outside punch holder and lower plate isolated aquatic floater, avoid inboard gasbag to receive the scratch and the impact of floater, improve the life of flotation pontoon, thereby guarantee that the flotation pontoon can fix and support the cable for a long time;
2. the upper clamping block and the lower clamping block of the clamping device are respectively contacted with the upper side and the lower side of the cable, the two ends of the cable slack part are clamped, the clamping block is matched with the middle part of the slack part to enable the slack part to be S-shaped, when the pontoon is subjected to larger wind waves to drift and pull the cable arranged on the pontoon, the slack part arranged on the cable is used for buffering the tension force on the cable in the floating process of the pontoon by sliding the clamping device in a small amplitude, the cable is prevented from being disconnected from the connecting part of the electronic element after being subjected to larger tension force, and therefore the reliability of the connection of the cable and the electronic element is ensured;
3. when the cable is subjected to tension, the clamping force of the upper clamping block and the lower clamping block is the elastic force provided by the first spring and the second spring, so that the cable slides between the upper clamping block and the lower clamping block along the longitudinal direction, the slack part arranged on the cable is reduced by the allowance, the tension caused by the cable in the floating process of the floating pontoon is buffered, the connection part of the cable and the electronic element is prevented from being disconnected after the cable is subjected to larger tension, in addition, the abrasion caused by the rigid clamping of the upper clamping block and the lower clamping block and the cable to the surface of the cable is prevented, the operation steps of fixing the cable are simplified, and the efficiency of fixing the cable is improved;
4. the screw rod is rotated on the cover plate, so that the screw rod vertically slides on the cover plate, the compression amount of the first spring after the cable is fixed is adjusted, the clamping force of the upper clamping block on the cable is changed, the clamping force is adapted to the outer diameters of cables of different types, abrasion to the cable surface due to overlarge clamping force and the clamping force is prevented from being too small, the cable is prevented from being clamped by the clamping force, meanwhile, the slack part arranged on the cable is convenient for reducing allowance, the tension caused to the cable in the floating process of the floating pontoon is buffered, the cable is prevented from being disconnected from the connecting part of the electronic element after being subjected to larger tension, and the reliability of the connection of the cable and the electronic element is ensured;
5. through the cooperation between regulating block, spacing groove, stopper, third spring, fixed block, the fixed slot to tighten or become flexible first spring clamping force, make clamping force size more adapt to the external diameter of different model cables, avoid the too big cable surface that causes wearing and tearing of clamping force, and the too little influence of clamping force to the centre gripping of cable, the relaxation portion that the cable was equipped with is convenient for simultaneously reduces the surplus for buffering the pulling force that the flotation pontoon flutters the in-process caused to the cable, avoid the cable to receive the junction disconnection with electronic component behind great pulling force, guarantee the reliability of cable and electronic component connection, in addition, the adjacent spacing groove sets up the size of the fixed compression volume of interval convenient operator calculation first spring;
6. through the cooperation among the locking piece, the buckling groove and the bulge, the fixation between the cover plate and the base is realized, meanwhile, the operation steps of fixing the cover plate are simplified, and the efficiency of fixing the cable is improved; the restriction of the clamping device on the cable is relieved through the matching among the driving block, the wedge-shaped groove, the wedge-shaped block, the locking block, the bulge and the buckling groove, so that the cable is convenient to be increased or reduced subsequently, the operation steps of the locking block and the buckling groove in clamping matching are simplified, and the cable disassembling efficiency is improved;
7. the buffer spring is arranged between the stop block and the lower clamping plate, the flexible part contacted with the buffer block is arranged on the side face of the buffer groove, vertical and transverse stress generated between the upper clamping plate and the lower clamping plate is buffered respectively, and the pontoon is ensured to keep a stable state on the water surface, so that a cable is better fixed.
Drawings
Fig. 1 is a schematic diagram of the structure of the present application.
Fig. 2 is a schematic view of the structure of the slack of the present application.
Fig. 3 is a schematic structural view of the airbag of the present application.
Fig. 4 is a schematic view of the structure of the buffer tank and the buffer block of the present application.
Fig. 5 is a schematic structural view of the upper and lower clamp blocks of the present application.
Fig. 6 is a schematic structural view of the regulating block of the present application.
Fig. 7 is a schematic structural view of the adjusting block and the upper clamping block of the present application.
Fig. 8 is an enlarged view of a portion of fig. 7 at a point a in accordance with the present application.
Fig. 9 is a schematic structural view of the lock block of the present application.
Fig. 10 is a schematic view of the structure of the driving block of the present application.
Fig. 11 is a schematic view of the structure of the clevis of the present application.
The reference numbers shown in the drawings:
1. a cable; 2. a pontoon; 3. a sleeve; 4. a connecting piece; 5. an upper clamping plate; 6. a lower clamping plate; 7. a groove; 8. an air bag; 9. an access opening; 10. an air port; 11. a buffer tank; 12. a buffer block; 13. a stop block; 14. a buffer spring; 15. a flexible portion; 16. a slack portion; 17. a clamping device; 18. clamping blocks; 19. an upper clamping block; 20. a lower clamping block; 21. a base; 22. a slide block; 23. a cover plate; 24. a first spring; 25. a second spring; 26. a screw; 27. an adjusting block; 28. a limit groove; 29. a limiting block; 30. a third spring; 31. a fixing groove; 32. a fixed block; 33. a fourth spring; 34. a through hole; 35. a groove; 36. a ball; 37. a fifth spring; 38. a buckling groove; 39. a locking piece; 40. a protrusion; 41. a driving block; 42. wedge-shaped blocks; 43. wedge type groove.
Detailed Description
The application will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present application and are not intended to limit the scope of the present application. Further, it will be understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the application, and equivalents thereof fall within the scope of the application as defined by the claims.
The application provides a cable supporting device of a photovoltaic power station on water, which is shown in fig. 1 and 2, and comprises a cable 1 and a plurality of buoys 2, wherein the cable 1 and the buoys 2 are arranged between photovoltaic modules and inverters, direct current generated by each photovoltaic module is transmitted to the inverter arranged on the shore through the cable 1, the direct current is converted into alternating current through the inverter, and the alternating current is connected with a power grid to transmit power to the power grid, so that daily power supply of a user is realized; the cable 1 is sleeved with a sleeve 3 fixed on the pontoon 2, a connecting piece 4 is arranged between adjacent pontoons 2, the adjacent pontoons 2 are connected and float on the water surface through the connecting piece 4, and meanwhile, the cable 1 is laid on the sleeve 3 arranged on the pontoon 2, so that the cable 1 is supported and fixed, and meanwhile, the cable 1 is prevented from being damaged by the outside; as shown in fig. 3, the pontoon 2 comprises an upper clamping plate 5 and a lower clamping plate 6, one sides of the upper clamping plate 5 and the lower clamping plate 6 are respectively provided with a groove 7, an air bag 8 is clamped between the two grooves 7, an access hole 9 matched with the air bag 8 is arranged on the upper clamping plate 5, an air port 10 is arranged on one side of the air bag 8, when the air bag 8 needs to be overhauled, a cover plate 23 arranged on the access hole 9 is opened, whether the air bag 8 clamped between the upper clamping plate 5 and the lower clamping plate 6 leaks air or not is checked, when the air bag needs to be replaced, the air bag 8 is discharged through the air port 10, so that the air bag 8 is conveniently taken out from the access hole 9, then a new air bag 8 is replaced and is put into the grooves 7 arranged on the upper clamping plate 5 and the lower clamping plate 6, and the air bag 8 is reinjected with air through the air port 10, so that maintenance and replacement of the pontoon 2 are realized, meanwhile, the operation steps of maintaining the pontoon 2 are not required to be disassembled, and the efficiency of maintaining the pontoon 2 is improved; in addition, the upper clamping plate 5 and the lower clamping plate 6 arranged on the outer side isolate floating objects on water, so that the air bags 8 on the inner side are prevented from being scratched and impacted by the floating objects, the service life of the pontoon 2 is prolonged, and the pontoon 2 can be ensured to fix and support the cable 1 for a long time; as shown in fig. 2, the cable 1 located at the upper side of the pontoon 2 is provided with a slack portion 16, two ends of the slack portion 16 are provided with clamping devices 17, the middle of the slack portion 16 is provided with clamping blocks 18 for clamping the cable 1, the slack portion 16 is S-shaped, the clamping devices 17 comprise an upper clamping block 19 and a lower clamping block 20, and the upper clamping block 19 and the lower clamping block 20 are respectively contacted with the upper side and the lower side of the cable 1; the upper clamping block 19 and the lower clamping block 20 of the clamping device 17 are respectively contacted with the upper side and the lower side of the cable 1, the two ends of the slack portion 16 of the cable 1 are clamped, the middle of the slack portion 16 is clamped by the matched clamping block 18, the slack portion 16 is S-shaped, when the pontoon 2 is subjected to larger stormy waves to pull the cable 1 arranged on the pontoon 2, the slack portion 16 arranged on the cable 1 is used for buffering the tension force on the cable 1 in the process of the waving of the pontoon 2 by sliding a small margin on the clamping device 17, the cable 1 is prevented from being disconnected from the connecting part of the electronic element after being subjected to larger tension force, and accordingly the reliability of connection between the cable 1 and the electronic element is ensured.
Preferably, as shown in fig. 5, the supporting device comprises a base 21 arranged on the pontoon 2, wherein the base 21 is symmetrically connected with a slide block 22 in a sliding manner along the transverse direction, the end part of the slide block 22 is contacted with a lower clamping block 20 and drives the slide block to slide along the vertical direction, one side of the base 21 is rotationally connected with a cover plate 23, the upper clamping block 19 is vertically connected with the cover plate 23 in a sliding manner, a first spring 24 is arranged between the upper clamping block 19 and the cover plate 23, a second spring 25 is arranged between the slide block 22 and the base 21, by arranging the base 21 on a buoy and placing a cable 1 on the lower clamping block 20, rotating the cover plate 23 to be buckled with the base 21, the upper clamping block 19 arranged on the cover plate 23 is contacted with the cable 1, simultaneously driving the upper clamping block 19 and the lower clamping block 20 to slide towards the upper side and the lower side respectively, driving the slide block 22 to slide towards the two sides, after the first spring 24 and the second spring 25 are compressed, after the whole body is stabilized, the resilience force generated by the compression of the first spring 24 and the second spring 25 provides clamping force for clamping the cable 1 for the upper clamping block 19 and the lower clamping block 20, so that the elastic clamping of the cable 1 by the upper clamping block 19 and the lower clamping block 20 is realized, after the cable 1 is subjected to tensile force, the cable 1 slides between the upper clamping block 19 and the lower clamping block 20 along the longitudinal direction due to the fact that the clamping force of the upper clamping block 19 and the lower clamping block 20 is elastic force, the slack part 16 arranged on the cable 1 is reduced by a margin and is used for buffering the tensile force caused by the floating pontoon 2 to the cable 1, the connection part of the cable 1 and an electronic component is prevented from being broken after the cable 1 is subjected to larger tensile force, in addition, the abrasion caused by the rigid clamping of the upper clamping block 19 and the lower clamping block 20 and the cable 1 to the surface of the cable 1 is avoided, meanwhile, the operation steps of fixing the cable 1 are simplified, and the efficiency of fixing the cable 1 is improved.
Preferably, as shown in fig. 5 and 11, the upper clamping block 19 and the lower clamping block 20 are arc-shaped, the arc-shaped inner diameter is larger than the outer diameter of the cable 1, and the clamping block 18 is provided with a U-shaped clamping groove for the cable to pass through, and the upper clamping block 19 and the lower clamping block 20 are arc-shaped, and the arc-shaped inner diameter is larger than the outer diameter of the cable 1, and the U-shaped clamping grooves for the cables 1 to pass through are matched, so that the cables 1 with different wire diameters can be fixed.
Preferably, as shown in fig. 5, the cover plate 23 is connected with the screw 26 in a sliding manner along the vertical direction, the screw 26 is in threaded connection with the cover plate 23, the first spring 24 is arranged between the screw 26 and the upper clamping block 19, and the screw 26 slides along the vertical direction on the cover plate 23 by rotating the screw 26 on the cover plate 23, so that the compression amount of the first spring 24 after the cable 1 is fixed is adjusted, the clamping force of the upper clamping block 19 on the cable 1 is changed, the clamping force is adapted to the outer diameters of cables 1 of different types, abrasion to the surfaces of the cables 1 caused by overlarge clamping force and the clamping effect on the cables 1 caused by overlarge clamping force are avoided, and meanwhile, the slack part 16 arranged on the cable 1 is convenient to reduce the allowance for buffering the tension caused to the cables 1 in the drifting process of the pontoon 2, the cable 1 is prevented from being disconnected from the joint of the electronic component after being subjected to larger tension, and the reliability of the connection of the cable 1 and the electronic component is ensured.
Preferably, as shown in fig. 6 and 7, the cover plate 23 is connected with the adjusting block 27 in a sliding manner along the vertical direction, the adjusting block 27 is provided with a plurality of limiting grooves 28, the cover plate 23 is connected with a limiting block 29 in a plugging fit with the limiting grooves 28 in a sliding manner along the horizontal direction, a third spring 30 is arranged between the limiting block 29 and the cover plate 23, a first inclined plane contacting with the limiting groove 28 is arranged on the upper side of the limiting block 29, the first spring 24 is arranged between the adjusting block 27 and the upper clamping block 19, the adjusting block 27 is vertically and downwards slid on the cover plate 23, the limiting groove 28 is contacted with the first inclined plane arranged at the end part of the limiting block 29, the limiting block 29 is driven to transversely slide, the third spring 30 is compressed, the adjusting block 27 is smoothly slid along the vertical direction, the compression amount of the first spring 24 is regulated, after the cable 1 is fixed, after the first clamping force is tightened to a certain extent, the limiting block 29 is driven to be in plugging fit with the limiting groove 28 under the rebound force of the third spring 30, the fixing of the adjusting block 27 is realized, the clamping force is more suitable for the cable 1, the cable 1 is prevented from being influenced by the tension force on the upper sliding element 1, the cable 1 is prevented from being greatly influenced by the external force, the external force is reduced, the electronic sliding element is prevented from being greatly, the external force is reduced, the cable 1 is prevented from being influenced by the external force is greatly, the external force is reduced, and the cable 1 is greatly influenced by the external force is greatly, and is greatly is reduced, and is greatly by the cable 1, and is caused by the external force, and is caused by the tension, and is compared by the cable 1 and is by the tension, the normal clamping of the upper clamping block 19 and the lower clamping block 20 on the cable 1 is affected, so that the stability of the cable 1 under normal conditions is guaranteed, and meanwhile, the fixed spacing is arranged between the adjacent limiting grooves 28, so that an operator can calculate the compression amount of the first spring 24 conveniently.
Preferably, as shown in fig. 8, the fixing groove 31 is formed in the limiting block 29, the cover plate 23 is connected with the fixing block 32 in a sliding manner along the vertical direction, a fourth spring 33 is arranged between the fixing block 32 and the cover plate 23, a through hole 34 is formed in the fixing block 32 and is in sliding connection with the limiting block 29, a second inclined plane is formed on the upper side of the through hole 34 and one side of the fixing groove 31, the two second inclined planes are in sliding contact with each other, when the clamping force of the upper clamping block 19 is required to be loosened, the fixing block 32 is downwards slid along the vertical direction, the second inclined plane formed on the upper side of the through hole 34 is contacted with the second inclined plane formed on one side of the fixing groove 31, the generated component force drives the limiting block 29 to slide along the transverse direction, the insertion cooperation between the limiting block 29 and the limiting groove 28 is released, the adjusting block 27 can slide upwards smoothly, the shrinkage of the first spring 24 is reduced, and the clamping force of the upper clamping block 19 is loosened, so that the surface of the cable 1 is prevented from being worn due to overlarge clamping force.
Preferably, as shown in fig. 8, the end portion of the fixed block 32 is provided with a groove 35, the cover plate 23 is connected with a ball 36 engaged with the groove 35 in a sliding manner along the transverse direction, a fifth spring 37 is arranged between the ball 36 and the cover plate 23, when the fixed block 32 is slid downwards along the vertical direction, the ball 36 contacts one side of the fixed block 32, slides towards two sides and compresses the fifth spring 37 until the fixed block 32 slides downwards in place, and slides out of engagement with the groove 35 provided with the fixed block 32 under the action of the resilience force of the fifth spring 37, so that temporary fixing of the fixed block 32 is realized, the limit block 29 is reset to be engaged with the limit groove 28 under the action of the third spring 30 after the outside and inside of the fixed block 32 are withdrawn, the adjustment block 27 is conveniently slid along the vertical direction, the shrinkage of the first spring 24 is changed, the clamping force of the upper clamping block 19 on the cable 1 is adjusted, the surface of the cable 1 is prevented from being worn by too much clamping force, the clamping force is prevented from being too little, the efficiency of adjusting the clamping force on the cable 1 is improved.
Preferably, as shown in fig. 9, the base 21 is provided with a plurality of buckling grooves 38, the cover plate 23 is provided with a plurality of locking blocks 39 in plugging fit with the buckling grooves 38, the end part of each locking block 39 is provided with a protrusion 40 in plugging fit with the buckling grooves 38, one side of each protrusion 40 is provided with a third inclined plane in contact with the buckling groove 38, the specific locking block 39 can be made of softer plastic materials, the cover plate 23 is rotated to enable the third inclined plane on one side of each protrusion 40 to be in contact with the buckling groove 38, the locking blocks 39 are driven to bend and deform slightly, and after the locking blocks 39 are reset to drive the protrusions 40 to be in plugging fit with the buckling grooves 38, so that the cover plate 23 and the base 21 are fixed, and meanwhile, the operation steps of fixing the cover plate 23 are simplified, and the efficiency of fixing the cable 1 is improved.
Preferably, as shown in fig. 10, the cover 23 is slidably connected with a driving block 41 and a plurality of wedge-shaped blocks 42 contacting with one side of the locking block 39, one side of the driving block 41 is provided with a plurality of wedge-shaped grooves 43 matched with the wedge-shaped blocks 42, one side of the wedge-shaped blocks 42 is provided with an arc-shaped surface contacting with a third inclined surface, and by sliding the driving block 41 on the cover 23, the wedge-shaped grooves 43 contact with the wedge-shaped blocks 42, so as to drive the wedge-shaped blocks 42 to slide on the cover 23, make the end parts thereof contact with one side of the locking block 39, drive the locking block 39 to slightly deviate, release the insertion fit of the end protrusions 40 and the buckling grooves 38, thereby releasing the restriction of the clamping device 17 on the cable 1, facilitating the subsequent increase or decrease of the cable 1, simplifying the operation steps of the locking block 39 and improving the efficiency of disassembling the cable 1.
Preferably, as shown in fig. 4, the bottom of the upper clamping plate 5 is provided with a buffer groove 11, the top of the lower clamping plate 6 is provided with a buffer block 12 slidably connected with the buffer groove 11, the end of the buffer block 12 is provided with a stop block 13, a buffer spring 14 is arranged between the stop block 13 and the lower clamping plate 6, the side surface of the buffer groove 11 is provided with a flexible part 15 contacted with the buffer block 12, and the buffer spring 14 is arranged between the stop block 13 and the lower clamping plate 6, and the side surface of the buffer groove 11 is provided with a flexible part 15 contacted with the buffer block 12, so that vertical and transverse stresses generated between the upper clamping plate 5 and the lower clamping plate 6 are buffered respectively, and the pontoon 2 is ensured to maintain a stable state on the water surface, thereby better fixing the cable 1.
Example 1
The application provides a cable supporting device of a photovoltaic power station on water, which is shown in figures 1, 2 and 11, and comprises a cable 1 and a plurality of buoys 2, wherein the cable 1 and the buoys 2 are arranged between photovoltaic modules and inverters, direct current generated by each photovoltaic module is transmitted to the inverter arranged on the shore through the cable 1, the direct current is converted into alternating current through the inverter, and the alternating current is connected with a power grid to transmit power to the power grid, so that daily power supply of a user is realized; the outside of the cable 1 is sleeved with a sleeve 3 fixed on the pontoon 2, a connecting piece 4 is arranged between the adjacent pontoons 2, the adjacent pontoons 2 are connected and float on the water surface through the connecting piece 4, and meanwhile, the cable 1 is laid on the sleeve 3 arranged on the pontoon 2, so that the cable 1 is supported and fixed, and meanwhile, the cable 1 is prevented from being damaged by the outside;
as shown in fig. 3, the pontoon 2 comprises an upper clamping plate 5 and a lower clamping plate 6, a groove 7 is arranged on one side of the upper clamping plate 5 and one side of the lower clamping plate 6, an air bag 8 is clamped between the two grooves 7, an access hole 9 matched with the air bag 8 is arranged on the upper clamping plate 5, an air port 10 is arranged on one side of the air bag 8, when the air bag 8 needs to be overhauled, a cover plate 23 arranged on the access hole 9 is opened, whether the air bag 8 clamped between the upper clamping plate 5 and the lower clamping plate 6 leaks air or not is checked, when the air bag needs to be replaced, the air bag 8 is discharged through the air port 10, the air bag 8 is conveniently taken out from the access hole 9, then the replaced air bag 8 is put into the grooves 7 arranged on the upper clamping plate 5 and the lower clamping plate 6, and the air bag 8 are refilled with the air port 10, so that maintenance and replacement of the pontoon 2 are realized, meanwhile, the operation steps of maintaining the pontoon 2 are simplified, the efficiency of maintaining the pontoon 2 is improved, in addition, objects on the water through the upper clamping plate 5 and the lower clamping plate 6 arranged on the outer side are prevented from being scratched by the air bag 8, the floating pontoon 2 is guaranteed, and the service life of the pontoon 2 is prolonged, and the service life of the pontoon is guaranteed;
as shown in fig. 2, the cable 1 located at the upper side of the pontoon 2 is provided with a slack portion 16, both ends of the slack portion 16 are provided with clamping devices 17, the middle of the slack portion 16 is provided with clamping blocks 18 for clamping the cable 1, the upper clamping blocks 19 and the lower clamping blocks 20 of the clamping devices 17 are respectively contacted with the upper side and the lower side of the cable 1, both ends of the slack portion 16 of the cable 1 are clamped, the middle of the slack portion 16 is clamped by the clamping blocks 18 in a matching manner, the slack portion 16 is in an S shape, when the pontoon 2 is subjected to larger stormy waves to drift the cable 1 arranged on the pontoon 2, the slack portion 16 arranged on the cable 1 is used for buffering the tension caused to the cable 1 in the drifting process of the pontoon 2 by small-amplitude sliding reduction allowance on the clamping devices 17, the cable 1 is prevented from being disconnected from the connecting part of the electronic component after being subjected to larger tension, and the reliability of connection between the cable 1 and the electronic component is ensured.
Example 2
On the basis of embodiment 1, as shown in fig. 5 and 11, by arranging a base 21 on a buoy and placing a cable 1 on a lower clamping block 20, rotating a cover plate 23 to be buckled with the base 21, so that an upper clamping block 19 arranged on the cover plate 23 is contacted with the cable 1, simultaneously driving the upper clamping block 19 and the lower clamping block 20 to slide towards the upper side and the lower side respectively, driving a sliding block 22 to slide towards the two sides, compressing a first spring 24 and a second spring 25, after the whole is stabilized, the resilience force generated by the compression of the first spring 24 and the second spring 25 provides clamping force for clamping the cable 1 for the upper clamping block 19 and the lower clamping block 20, realizing the elastic clamping of the cable 1 by the upper clamping block 19 and the lower clamping block 20, after the cable 1 is subjected to tension, as the clamping force of the upper clamping block 19 and the lower clamping block 20 is elastic force, the cable 1 slides between the upper clamping block 19 and the lower clamping block 20 along the longitudinal direction, so that the slack part 16 arranged on the cable 1 is reduced, and the slack part is used for buffering the tension on the cable 1 in the drifting process of the pontoon 2, so that the connection part of the cable 1 with an electronic element is prevented from being disconnected after the cable 1 is subjected to larger tension, the surface of the cable 1 is prevented from being worn by the rigid clamping of the upper clamping block 19 and the lower clamping block 20 and the cable 1, the operation steps of fixing the cable 1 are simplified, and the efficiency of fixing the cable 1 is improved; because the upper clamping block 19 and the lower clamping block 20 are arc-shaped, the inner diameter of the arc is larger than the outer diameter of the cable 1, and the U-shaped clamping grooves for allowing various cables 1 to pass through are matched, so that cables 1 with different wire diameters can be fixed, after the number of the cables 1 is increased or reduced, the cables can be still fixed, the universality of the clamping device 17 and the clamping block 18 is improved, the replacement cost of the clamping device 17 and the clamping block 18 is reduced, and meanwhile, the new clamping device 17 and the clamping block 18 are not required to be installed for fixing different cables 1, and the efficiency of fixing different cables 1 is improved;
in addition, as shown in fig. 4, the bottom of the upper clamping plate 5 is provided with a buffer groove 11, the top of the lower clamping plate 6 is provided with a buffer block 12 slidably connected with the buffer groove 11, the end part of the buffer block 12 is provided with a stop block 13, a buffer spring 14 is arranged between the stop block 13 and the lower clamping plate 6, the side surface of the buffer groove 11 is provided with a flexible part 15 contacted with the buffer block 12, the buffer spring 14 is arranged between the stop block 13 and the lower clamping plate 6, and the side surface of the buffer groove 11 is provided with a flexible part 15 contacted with the buffer block 12, so that vertical and transverse stresses generated between the upper clamping plate 5 and the lower clamping plate 6 are buffered respectively, and the pontoon 2 is ensured to maintain a stable state on the water surface, thereby better fixing the cable 1.
Example 3
On the basis of embodiment 2, as shown in fig. 5, the cover plate 23 is connected with the screw 26 in a sliding manner along the vertical direction, the screw 26 is in threaded connection with the cover plate 23, the first spring 24 is arranged between the screw 26 and the upper clamping block 19, and the screw 26 slides along the vertical direction on the cover plate 23 by rotating the screw 26 on the cover plate 23, so that the compression amount of the first spring 24 after fixing the cable 1 is adjusted, the clamping force of the upper clamping block 19 on the cable 1 is changed, the clamping force is adapted to the outer diameters of cables 1 of different types, abrasion to the surfaces of the cables 1 caused by overlarge clamping force and the clamping force is prevented from being too small, meanwhile, the slack part 16 arranged on the cable 1 is convenient to reduce the allowance, and the tension caused to the cable 1 in the drifting process of the buffer buoy 2 is prevented from being disconnected from the joint of the electronic component after the cable 1 receives larger tension, and the reliability of the connection of the cable 1 and the electronic component is ensured.
Example 4
On the basis of embodiment 2, as shown in fig. 6, 7 and 8, when the clamping force of the upper clamping block 19 on the cable 1 needs to be increased, the adjusting block 27 is vertically and downwardly slid on the cover plate 23, so that the limiting groove 28 is in contact with a first inclined plane arranged at the end part of the limiting block 29, the limiting block 29 is driven to horizontally slide, and the third spring 30 is compressed, so that the adjusting block 27 smoothly slides vertically and downwardly, the compression amount of the first spring 24 after the cable 1 is fixed is adjusted, when the first clamping force is increased to a certain extent, under the action of the rebound force of the third spring 30, the limiting block 29 is driven to be in plug-in fit with the limiting groove 28, the fixing of the clamping force on the adjusting block 27 is realized, the outer diameter of the cable 1 of different types is further adapted, the excessive clamping force is prevented from causing abrasion on the surface of the cable 1, the clamping force is prevented from being excessively small, meanwhile, the loosening part 16 arranged on the cable 1 is conveniently reduced in the allowance, the floating process of the buffering buoy 2 is used for smoothly sliding the tension on the cable 1, the connection part of the cable 1 and the electronic element is prevented from being disconnected, after the cable 1 is subjected to the larger tension, the connection part of the electronic element is ensured, the compression amount of the cable 1 and the electronic element is ensured to be electrically connected with the electronic element is prevented from being electrically, and the upper sliding block 24 is prevented from being influenced by the upper sliding, and the upper clamping block 24 is normally, and the upper clamping block 24 is prevented from being normally, and the compression of the upper clamping block is prevented from being influenced by the sliding on the limiting block 2 is normally, and lower clamping block 2 is arranged, and has a lower clamping force influence on the surface, and lower clamping force is caused by the tension, and has a lower clamping force and has lower tension, and lower tension force and lower tension, and has lower tension, and lower tension force and lower tension and can be and lower tension;
when the clamping force of the upper clamping block 19 on the cable 1 needs to be reduced or cancelled, the lower fixing block 32 is vertically slid, the second inclined surface arranged on the upper side of the through hole 34 is contacted with the second inclined surface arranged on one side of the fixing groove 31, the generated component force drives the limiting block 29 to horizontally slide, the plug-in fit of the limiting block 29 and the limiting groove 28 is released, the adjusting block 27 can smoothly slide upwards, the shrinkage of the first spring 24 is reduced, the clamping force of the upper clamping block 19 is loosened, the excessive clamping force is avoided, the surface of the cable 1 is abraded, simultaneously, the balls 36 are contacted with one side of the fixing block 32, slide towards two sides and compress the fifth spring 37 until the fifth spring 37 slides down to the position, the groove 35 which is arranged on the fixing block 32 is clamped and matched under the rebound force of the fifth spring 37, the temporary fixing of the fixing block 32 is realized, the limiting block 29 is restrained from being plugged in the limiting groove 28 under the action of the third spring 30 after the outside and inside of the fixing block 32, the shrinkage of the first spring 24 is conveniently changed, the adjusting block 27 is vertically slid, the shrinkage of the adjusting block 19 is avoided, the excessive clamping force of the cable 1 is greatly improved, the clamping force of the cable 1 is greatly reduced, and the clamping force is greatly improved, and the clamping force of the cable 1 is greatly reduced.
Example 5
On the basis of embodiment 2, as shown in fig. 9 and 10, when the cable 1 is fixed, the cover plate 23 is rotated to enable the third inclined surface arranged on one side of the protrusion 40 to be in contact with the buckling groove 38, so that the locking piece 39 is driven to be bent and deformed to a small extent, and after the locking piece 39 is in place, the protrusion 40 is reset to drive the buckling groove 38 to be in plug-in fit, so that the fixation between the cover plate 23 and the base 21 is realized, meanwhile, the operation steps of fixing the cover plate 23 are simplified, and the efficiency of fixing the cable 1 is improved;
when the cable 1 needs to be disassembled, the driving block 41 is slid on the cover plate 23 to enable the wedge-shaped groove 43 to be in contact with the wedge-shaped block 42, so that the wedge-shaped block 42 is driven to slide on the cover plate 23, the end of the wedge-shaped block is enabled to be in contact with one side of the locking block 39, the locking block 39 is driven to slightly deviate, the insertion fit of the protrusion 40 of the end of the locking block and the buckling groove 38 is relieved, the restriction of the clamping device 17 on the cable 1 is relieved, the cable 1 is convenient to be increased or reduced subsequently, meanwhile, the operation steps of the locking block 39 and the buckling groove 38 in a clamping fit mode are simplified, and the efficiency of disassembling the cable 1 is improved.
Claims (6)
1. The utility model provides a cable strutting arrangement of photovoltaic power plant on water, includes cable (1) and a plurality of flotation pontoon (2) that set up between photovoltaic module and dc-to-ac converter, the outside cover of cable (1) is equipped with sleeve (3) of fixing on flotation pontoon (2), is equipped with connecting piece (4), its characterized in that between adjacent flotation pontoon (2): the buoy (2) comprises an upper clamping plate (5) and a lower clamping plate (6), grooves (7) are formed in one sides of the upper clamping plate (5) and the lower clamping plate (6), an air bag (8) is clamped between the grooves (7), an access hole (9) matched with the air bag (8) is formed in the upper clamping plate (5), an air port (10) is formed in one side of the air bag (8) located the upper clamping plate (5), a loosening part (16) is formed in the cable (1) located the upper side of the buoy (2), clamping devices (17) are arranged at two ends of the loosening part (16), clamping blocks (18) for clamping the cable (1) are arranged in the middle of the loosening part (16), the loosening part (16) is S-shaped, the clamping devices (17) comprise an upper clamping block (19) and a lower clamping block (20), the upper clamping block (19) and the lower clamping block (20) are respectively contacted with the upper side and the lower side of the cable (1), the supporting device comprises a base (21) arranged on the upper side of the upper clamping plate (2), the base (21) is symmetrically connected with the lower clamping block (22) in a sliding mode along the sliding mode, the sliding mode is connected with the base (23) along the sliding mode, and the sliding mode is connected with one side of the sliding part (23), the upper clamping block (19) is vertically and slidably connected to the cover plate (23), a first spring (24) is arranged between the upper clamping block (19) and the cover plate (23), a second spring (25) is arranged between the sliding block (22) and the base (21), the upper clamping block (19) and the lower clamping block (20) are arc-shaped, the inner diameter of the arc-shaped part is larger than the outer diameter of the cable (1), the clamping block (18) is provided with a U-shaped clamping groove for the cable to pass through, the base (21) is provided with a plurality of buckling grooves (38), the cover plate (23) is provided with a plurality of locking blocks (39) which are in plug-in fit with the buckling grooves (38), the end part of each locking block (39) is provided with a third inclined surface which is in plug-in fit with the buckling grooves (38), one side of each of the protrusions (40) is provided with a driving block (41) and a plurality of wedge-shaped blocks (42) which are in contact with one side of the buckling blocks (39), and one side of the wedge-shaped blocks (42) is provided with one side of the wedge-shaped blocks (42).
2. The cable support device of a marine photovoltaic power plant of claim 1, wherein: the cover plate (23) is vertically connected with a screw rod (26) in a sliding manner, the screw rod (26) is in threaded connection with the cover plate (23), and the first spring (24) is arranged between the screw rod (26) and the upper clamping block (19).
3. The cable support device of a marine photovoltaic power plant of claim 1, wherein: the novel adjustable hydraulic lifting device is characterized in that an adjusting block (27) is connected to the cover plate (23) in a vertical sliding mode, a plurality of limiting grooves (28) are formed in the adjusting block (27), a limiting block (29) which is in plug connection with the limiting grooves (28) is connected to the cover plate (23) in a sliding mode, a third spring (30) is arranged between the limiting block (29) and the cover plate (23), a first inclined surface which is in contact with the limiting grooves (28) is arranged on the upper side of the limiting block (29), and the first spring (24) is arranged between the adjusting block (27) and the upper clamping block (19).
4. A cable support device for a water borne photovoltaic power station according to claim 3, characterized in that: be equipped with fixed slot (31) on stopper (29), be connected with fixed block (32) along vertical sliding connection on apron (23), be equipped with fourth spring (33) between fixed block (32) and apron (23), be equipped with on fixed block (32) with stopper (29) sliding connection's through-hole (34), the upside of through-hole (34) and one side of fixed slot (31) all are equipped with the second inclined plane, two second inclined plane sliding contact.
5. The cable support device of a marine photovoltaic power plant of claim 4, wherein: the end of the fixed block (32) is provided with a groove (35), the cover plate (23) is connected with a ball (36) which is matched with the groove (35) in a clamping way in a sliding way along the transverse direction, and a fifth spring (37) is arranged between the ball (36) and the cover plate (23).
6. The cable support device of a marine photovoltaic power plant of claim 1, wherein: the bottom of punch holder (5) is equipped with buffer tank (11), the top of lower plate (6) is equipped with buffer block (12) with buffer tank (11) sliding connection, the tip of buffer block (12) is equipped with dog (13), be equipped with buffer spring (14) between dog (13) and lower plate (6), the side of buffer tank (11) is equipped with flexible portion (15) that contact with buffer block (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310868617.4A CN116599458B (en) | 2023-07-17 | 2023-07-17 | Cable supporting device of photovoltaic power station on water |
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| CN202310868617.4A CN116599458B (en) | 2023-07-17 | 2023-07-17 | Cable supporting device of photovoltaic power station on water |
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