CN117869190A - Gravity energy storage device based on retired fan blade - Google Patents

Gravity energy storage device based on retired fan blade Download PDF

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Publication number
CN117869190A
CN117869190A CN202410168930.1A CN202410168930A CN117869190A CN 117869190 A CN117869190 A CN 117869190A CN 202410168930 A CN202410168930 A CN 202410168930A CN 117869190 A CN117869190 A CN 117869190A
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CN
China
Prior art keywords
mountain
sliding
retired
energy storage
plane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410168930.1A
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Chinese (zh)
Inventor
岳大为
张帅龙
黄春萍
商悦阳
刘长发
杨明哲
姜毅
张家安
李洁
李练兵
张萍
张冠英
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Hebei University of Technology
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Hebei University of Technology
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Application filed by Hebei University of Technology filed Critical Hebei University of Technology
Priority to CN202410168930.1A priority Critical patent/CN117869190A/en
Publication of CN117869190A publication Critical patent/CN117869190A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/12—Driving gear incorporating electric motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28—Other constructional details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • F03D9/13—Combinations of wind motors with apparatus storing energy storing gravitational potential energy
    • F03D9/16—Combinations of wind motors with apparatus storing energy storing gravitational potential energy using weights
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J15/00—Systems for storing electric energy
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)

Abstract

The invention relates to the technical field of gravity energy storage, in particular to a gravity energy storage device based on retired fan blades, which comprises a sliding rail and a mountain body, wherein the mountain body comprises a mountain top plane and a mountain bottom plane, a sliding mechanism capable of moving along the sliding rail direction is arranged on the sliding rail, the sliding mechanism comprises a sliding supporting surface, a sliding front baffle and a sliding rear baffle are fixedly connected to two sides of the top of the sliding supporting surface respectively, and the arrangement directions of the sliding front baffle and the sliding rear baffle are consistent with the laying direction of the sliding rail.

Description

Gravity energy storage device based on retired fan blade
Technical Field
The invention relates to the technical field of gravity energy storage, in particular to a gravity energy storage device based on retired fan blades.
Background
In order to solve the problem of unstable power output caused by larger fluctuation of new energy and more fully utilize abundant clean energy, an energy storage device with a certain capacity is generally established in a region with rich wind energy, and the more mature energy storage mode in the energy storage industry at present has more or less disadvantages, such as strict terrain conditions required by pumped storage, strict equipment conditions required by flywheel energy storage, higher chemical energy storage danger and the like, and the pollution of gravity energy storage to the environment is smaller, the capacity limit is small, thus being a good scheme for peak clipping and valley filling.
In the prior art, a deep well type stable gravity energy storage system as disclosed in patent application number CN202310382611.6 comprises a plurality of groups of door type moving devices, a power generation driving device, a winding device, a steel cable, a grabbing device, a concrete weight and a foundation; the power generation driving device is connected with the winding device, a steel cable is wound on the winding device, the lower end of the steel cable is connected with the grabbing device, and the grabbing device is used for grabbing the concrete weight.
But the existing gravity energy storage scheme, the energy storage load such as concrete blocks which are adopted inevitably pollute the environment in the manufacturing process, meanwhile, equipment with height difference is also required to be built, the load is lifted and released, the construction cost is high, and the popularization and the use are inconvenient.
Disclosure of Invention
The invention aims to provide a gravity energy storage device based on retired fan blades, so as to solve the problems in the background technology.
The aim of the invention can be achieved by the following technical scheme:
the gravity energy storage device based on the retired fan blade comprises a sliding rail and a mountain body, wherein the mountain body comprises a mountain top plane and a mountain bottom plane, a sliding mechanism capable of moving along the sliding rail direction is arranged on the sliding rail, the sliding mechanism comprises a sliding supporting surface, a sliding front baffle and a sliding rear baffle are respectively fixedly connected to two sides of the top of the sliding supporting surface, the arrangement directions of the sliding front baffle and the sliding rear baffle are consistent with the laying direction of the sliding rail, a load is arranged on the sliding supporting surface and between the sliding front baffle and the sliding rear baffle, and the load is the retired fan blade;
the power generation motor and the gear box are installed at the top of the mountain top plane, the shaft coupler is fixedly installed at the output end of the gear box, the shaft coupler is fixedly installed with the rotor shaft of the power generation motor, the input end of the gear box is fixedly connected with the belt wheel, the rotatable conversion shaft is arranged at the top of the mountain top plane, the gear belt is arranged between the conversion shaft and the belt wheel, the steel cable is fixedly connected to the conversion shaft, one end of the steel cable, which is far away from the conversion shaft, is connected with the sliding front baffle and is used for driving the sliding front baffle to move, and the sliding supporting surface and the load jointly move along the direction of the sliding rail.
Preferably, a mountain slope is arranged between the mountain top plane and the mountain bottom plane, at least two groups of slide rails are arranged, the slide rails are paved on the mountain slope and the mountain bottom plane connected with the slope, the slide rails are arranged in parallel, and the intervals between any two adjacent slide rails are equal.
Preferably, the slide rail of mountain bottom plane and mountain inclined plane junction is provided with the deceleration strip, deceleration strip and slide rail one-to-one setting.
Preferably, a front connecting lug is fixedly connected to one side of the sliding front baffle, a rear connecting lug is fixedly connected to one side of the sliding rear baffle, and one end of the steel cable is fixedly connected with the front connecting lug and used for driving the sliding mechanism to move towards the mountain top plane.
Preferably, an electric winch is fixedly arranged on the mountain bottom plane and positioned at the tail end of the sliding rail, a rope is fixedly connected to the electric winch, one end of the rope, far away from the electric winch, is provided with a J-shaped hook, and the J-shaped hook is arranged in the rear connecting lug and used for pulling the sliding mechanism to move towards the electric winch.
Preferably, the top fixed mounting on mountain slope has multirow mountain top elevating gear, and the planar top fixed mounting in mountain bottom has multirow mountain bottom elevating gear, and mountain top elevating gear and mountain bottom elevating gear all set up with the slide rail is crisscross, all are provided with the plummer on mountain top elevating gear and the mountain bottom elevating gear, and the plummer is used for bearing the load.
Preferably, the positioning baffles are fixedly connected to the two sides of the bearing table, the bottom of the mountain bottom lifting device is provided with a horizontal base, and the bottom of the mountain top lifting device is provided with an inclined base.
Preferably, the bottom fixedly connected with a plurality of supporting seats of load thing, the bottom fixedly connected with limit baffle that two slopes set up of supporting seat.
Preferably, a plurality of shaft brackets are fixedly arranged at the top of the mountain top plane, and the conversion shaft is connected with the shaft brackets in a rotating way.
Preferably, the top of mountain inclined plane just is located the one end fixed mounting of slide rail and has the stand, and the top of stand is provided with the pulley, and the pulley is used for providing the direction for the activity of steel cable.
The invention has the beneficial effects that:
the invention uses the retired fan blades as the load, can reasonably treat the retired old fan blades, reduce the renovation and recovery cost, protect the environment, fully utilize the mountain land, can also enable the movement of the load on the slope of the mountain to store and release energy, adopts the mountain gravity energy storage mode to play a role in peak clipping and valley filling for wind power generation, can supply power for the wind power generation equipment in use, effectively solves the wind abandoning problem, and can flexibly respond to the requirements of a power grid, and increase the row number of the mountain top lifting device and the mountain bottom lifting device and correspondingly increase the number of the fan blades serving as the load to increase the energy storage capacity according to the actual engineering requirements.
According to the invention, the fan blades are adopted as the load in the mountain terrain, so that not only can the resource consumption in the manufacturing process of other types of loads be reduced by taking local materials, the environmental pollution is avoided, but also the carbon footprint is reduced, the influence on the environment is reduced, the precision requirement of a crane in the process of stacking the load is not required, in addition, the defect of low energy density of the existing gravity energy storage device is considered, and the power generation efficiency and the energy density can be improved by adopting the retired fan blades with larger unit mass.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic illustration of the construction of the transmission of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the structure of the mountain bottom plane of FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the structure of the weight of FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the sliding support surface of FIG. 3 according to the present invention;
FIG. 6 is a schematic view of the structure of the mountain bottom lifting device of FIG. 1 according to the present invention;
fig. 7 is a schematic structural view of the mountain top lifting device in fig. 1 according to the present invention.
Reference numerals in the drawings are as follows:
101. the mountain top plane, 102, a mountain bottom plane, 103, a mountain inclined plane, 1, a load, 3, a steel cable, 4, a mountain bottom lifting device, 401, a horizontal base, 5, a mountain top lifting device, 501, an inclined base, 6, a sliding rail, 7, a stand column, 8, a conversion shaft, 9, a shaft bracket, 10, a generator, 11, a coupler, 12, a gear box, 13, a gear belt, 14, a belt pulley, 15, a pulley, 16, a speed reducing belt, 17, a rope, 18, an electric winch, 20, a bearing table, 201, a positioning baffle, 21, a sliding supporting surface, 22, a sliding front baffle, 221, a front connecting lug, 23, a sliding rear baffle, 231, a rear connecting lug, 26, a supporting seat, 27 and a limiting baffle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The gravity energy storage device based on retired fan blades comprises a sliding rail 6 and a mountain body, wherein the mountain body comprises a mountain top plane 101 and a mountain bottom plane 102, a sliding mechanism capable of moving along the direction of the sliding rail 6 is arranged on the sliding rail, the sliding mechanism comprises a sliding supporting surface 21, a sliding front baffle 22 and a sliding rear baffle 23 are fixedly connected to two sides of the top of the sliding supporting surface 21 respectively, the arrangement directions of the sliding front baffle 22 and the sliding rear baffle 23 are consistent with the laying direction of the sliding rail 6, a load 1 is arranged on the sliding supporting surface 21 and between the sliding front baffle 22 and the sliding rear baffle 23, and the load 1 is the retired fan blade;
the design standard of the wind driven generator clearly prescribes that the service life of the wind driven generator is 20 years, and the wind power industry in China has long developed from the last 80 th century, wherein a considerable part of wind farm units are aged, and the wind power generator reaching the prescribed service life should be retired according to the plan for safety.
At present, the retired fan blades are generally recycled or recovered in China, on one hand, the fact that the capacity of an old machine is possibly lagged and the cost for renovating is expensive is considered, on the other hand, the fact that recycling is technically less mature and cost price performance is low is considered, one piece of the fan blades is approximately 6-8 tons in weight, and the retired fan blades are transformed and used as a weight 1 for gravity energy storage, so that the method is a feasible mode.
The power generation motor 10 and the gear box 12 are installed at the top of the mountain top plane, the coupler 11 is fixedly installed at the output end of the gear box 12, the coupler 11 is fixedly installed with the rotor shaft of the power generation motor 10, the belt pulley 14 is fixedly connected with the input end of the gear box 12, the rotatable conversion shaft 8 is arranged at the top of the mountain top plane, the gear belt 13 is arranged between the conversion shaft 8 and the belt pulley 14, the steel cable 3 is fixedly connected to the conversion shaft 8, one end, far away from the conversion shaft 8, of the steel cable 3 is connected with the sliding front baffle 22 and used for driving the sliding front baffle 22 to move, and the sliding support surface 21 and the load 1 move along the direction of the sliding rail 6 jointly.
The tail end of the sliding rail 6 part at the top of each mountain inclined plane is provided with a vertical column 7 opposite to the sliding rail, the top of the vertical column 7 is fixedly provided with a pulley 15 through a mounting frame, each sliding rail 6 is correspondingly provided with a steel cable 3, one end of the steel cable 3 is fixedly connected with a front connecting lug 221 on a sliding front baffle 22 of a sliding mechanism, the other end of the steel cable passes through a groove on the upper surface of the pulley 15 and is fixedly connected with a conversion shaft 8, and the pulley 15 can be used for guiding the movement of the steel cable.
All electric equipment is externally connected with a power supply, and can be driven by the external power supply, and the load 1 is an existing fan blade after retired on a mountain, and no special manufacturing or transportation of the load 1 is needed.
A sliding mechanism is arranged in each sliding rail 6; all sliding mechanisms are used for conveying the load 1 to ascend or descend along the sliding rail 6 in parallel; is composed of a rolling device and the bottom of a sliding supporting surface 21 and is mechanically fixed, and the sliding supporting surface 21 is subjected to anti-skid treatment; the base size of the sliding mechanism is consistent with the clamping frame size of the load 1, but the baffle plates are different in direction, so that the sliding mechanism can be mechanically connected to prevent the position of the load from shifting.
The load 1 is obtained by cutting off the blade tip part of a retired fan blade, and the weight of the retired fan blade is more than 1 ton; as an embodiment, the model of the fan blade after retirement is TPI-37C, and the weight of a single fan blade is about 5.7 tons. The length of the load 1 is greater than the distance between the innermost slide rail 6 and the outermost slide rail 6.
The lengths and the arrangement of the steel cables 3 and the ropes 17 on the slide rails 6 are the same, so that the slide mechanisms are in a state of being transversely arranged in a row, and the action of the load 1 on the slide rails 6 can be kept stable; the plurality of electric winches 18 are controlled by one switch so that the plurality of coasting mechanisms operate in unison.
The mountain top plane 101 and the mountain bottom plane 102 are provided with a mountain inclined plane 103, the slide rail 6 is at least provided with two groups, the slide rail 6 is paved on the mountain inclined plane 103 and the mountain bottom plane 102 connected with the inclined plane, the slide rails 6 are arranged in parallel, and the interval between any two adjacent slide rails 6 is equal.
The slide rail 6 at the joint of the mountain bottom plane 102 and the mountain inclined plane 103 is provided with a deceleration strip 16, and the deceleration strips 16 and the slide rail 6 are arranged in one-to-one correspondence.
The deceleration strip 16 can decelerate the sliding mechanism (the sliding mechanism is composed of three parts of a sliding supporting surface 21, a sliding front baffle 22 and a sliding rear baffle 23) when the sliding mechanism moves to the mountain bottom plane 102, so that potential safety hazards caused by too high sliding speed of the sliding mechanism are avoided, and meanwhile, the deceleration capacity of the sliding mechanism is improved, so that the sliding mechanism can stop moving in a shorter distance.
The front connecting lug 221 is fixedly connected to one side of the sliding front baffle 22, the rear connecting lug 231 is fixedly connected to one side of the sliding rear baffle 23, and one end of the steel cable 3 is fixedly connected with the front connecting lug 221 and used for driving the sliding mechanism to move towards the mountain top plane.
The electric winch 18 is fixedly mounted on the mountain bottom plane 102 and located at the tail end of the sliding rail 6, the rope 17 is fixedly connected to the electric winch 18, a J-shaped hook is arranged at one end, far away from the electric winch 18, of the rope 17, and the J-shaped hook is mounted in the rear connecting lug 231 and used for pulling the sliding mechanism to move towards the electric winch 18.
As shown in fig. 3 and 5, a "J" type hook (not shown in the drawings) is the prior art, and the "J" type hook and the connecting lug are used for connecting, so that the details are not repeated here, and the "J" type hook is matched with the rear connecting lug 231; the J-shaped hook is sleeved in the rear connecting lug 231 on the sliding rear baffle 23, and the electric winch 18 is started, so that the sliding mechanism can be pulled towards the electric winch 18.
The top of mountain slope 103 fixed mounting has multirow mountain top elevating gear 5, and the top fixed mounting of mountain bottom plane 102 has multirow mountain bottom elevating gear 4, and mountain top elevating gear 5 and mountain bottom elevating gear 4 all set up with slide rail 6 is crisscross, all are provided with plummer 20 on mountain top elevating gear 5 and the mountain bottom elevating gear 4, and plummer 20 is used for bearing load 1.
As shown in fig. 1, 6 and 7, the mountain top lifting device 5 and the mountain bottom lifting device 4 are lifting devices in the prior art, and can drive the bearing table 20 to move up and down, and the movement of the plurality of mountain bottom lifting devices 4 in one row is controlled by one switch, so that the plurality of mountain bottom lifting devices 4 in one row can synchronously execute lifting, lifting and stopping operations, and the mountain bottom lifting devices 4 in different rows are controlled by different switches; likewise, the plurality of mountain top lifting devices 5 in one row are controlled by one switch to act, so that the plurality of mountain top lifting devices 5 in one row can synchronously execute lifting, descending and stopping operations, and the mountain top lifting devices 5 in different rows are controlled by different switches;
the mountain top lifting device 5 is used for storing the load 1 on the mountain top, the mountain bottom lifting device 4 is used for storing the load 1 at the mountain bottom, when the load 1 is placed on the mountain top lifting device 5 or the mountain bottom lifting device 4, the height is in the highest state, and when the load 1 is unloaded, the height is in the lowest state; when the mountain top lifting device 5 and the mountain bottom lifting device 4 are lifted to the highest positions, the bottom plate of the top platform is at least higher than the sum of the top height of the sliding mechanism and the height of the clamping frame at the bottom of the load 1, so that the load 1 is smoothly separated from the sliding mechanism; when the mountain top lifting device 5 and the mountain bottom lifting device 4 are lowered to the lowest positions, the top of the top platform is at least lower than the base of the sliding mechanism, so that the top platform of the lifting device does not interfere with the sliding of the sliding mechanism.
The number of rows of the mountain top lifting device 5 is equal to that of the mountain bottom lifting device 4 and is consistent with that of the load objects 1, and the energy storage capacity of the device can be increased by increasing the corresponding number of rows and the number of the load objects 1.
When the electricity is used in peak period, the row of mountain top lifting devices 5 which store the load 1 and have the lowest horizontal position are released preferentially, and are transported to the row of mountain bottom lifting devices 4 which do not store the load 1 and are furthest away from the mountain top through the sliding mechanism. When the electricity consumption is in a low peak period, a row of mountain bottom lifting devices 4 which store the load 1 and are closest to the mountain top are preferentially taken, and are conveyed to a row of mountain top lifting platform groups 5 which do not store the load 1 and are highest in horizontal position by a sliding mechanism. .
The two sides of the bearing table 20 are fixedly connected with positioning baffles 201, the bottom of the mountain bottom lifting device 4 is provided with a horizontal base 401, and the bottom of the mountain top lifting device 5 is provided with an inclined base 501.
As shown in fig. 6 and 7, the inclination of the inclined base 501 is identical to the inclination of the mountain slope 103, so that the horizontal lifting of the loading table 20 above the mountain top lifting device 5 can be ensured.
The bottom fixedly connected with a plurality of supporting seats 26 of load 1, the bottom fixedly connected with limit baffle 27 that two slopes set up of supporting seat 26.
The laying direction of the sliding front baffle 22 and the sliding rear baffle 23 is perpendicular to the setting direction of the limit baffle 27 on the weight 1, and the sliding mechanism is used for limiting the position change of the weight 1 when the sliding mechanism carries the weight 1.
The top of the mountain top plane 101 is fixedly provided with a plurality of shaft brackets 9, and the conversion shaft 8 is rotatably connected with the shaft brackets 9.
As shown in fig. 1 and 2, the conversion shaft 8 is fixedly installed on a mountain top plane connected with a mountain inclined plane through a plurality of shaft brackets 9, wherein the axis is vertical to the sliding rails 6 in space, each sliding rail 6 corresponds to one shaft bracket, and the conversion shaft 8 is movably installed on the shaft brackets 9 through bearings; a through hole is arranged in the middle of the part of the conversion shaft 8 in each shaft bracket 9 and is used for fixedly connecting the steel cable 3; a circle of teeth parallel to the central axis of the conversion shaft 8 are arranged on the periphery of the part of the conversion shaft 8 between the two shaft brackets 9, gears are fixedly arranged on the input end of the gear box 12, and the connection between the conversion shaft 8 and the gear box 12 is realized by sleeving a matched gear belt 13 between the part with the teeth of the conversion shaft 8 and the input end of the gear box 12. The output of the gear box 12 is connected to the rotor shaft of the generator motor 10 via a coupling 11.
The generator motor 10 is motor equipment which can be used as a generator and a motor, the principle of the generator motor is referred to as a generator motor of a water-storage electric power station, after the generator motor 10 is connected with commercial power, a rotor of the generator motor rotates under the action of a magnetic field to generate mechanical energy, the mechanical energy is transmitted to a conversion shaft 8 through a gear box 12, and the conversion shaft 8 drives a load 1 to move towards a mountain top lifting device 5; when the load 1 is released from the mountain top lifting device 5, the conversion shaft 8 is driven to rotate under the action of gravity, and then the rotor shaft of the generator motor 10 is driven to rotate through the gear box 12, the generator outputs induced electromotive force by utilizing the principle of electromagnetic induction, current can be generated through a closed load loop, and the current is conveyed to the electricity utilization end through the conductive wire. The generator motor 10 is of the prior art and will not be described in detail herein.
The top of mountain slope 103 just is located the one end fixed mounting of slide rail 6 and has stand 7, and the top of stand 7 is provided with pulley 15, and pulley 15 is used for providing the direction for the activity of steel cable 3.
The tail end of the sliding rail 6 part at the top of each mountain inclined plane is provided with a vertical column 7 opposite to the sliding rail, the top of the vertical column 7 is fixedly provided with a pulley 15 through a mounting frame, each sliding rail 6 is correspondingly provided with a steel cable 3, one end of the steel cable 3 is fixedly connected with a front connecting lug 221 of a sliding front baffle 22 of a sliding mechanism, and the other end of the steel cable 3 passes through a groove on the upper surface of the pulley 15 and is fixedly connected with a conversion shaft 8.
The working principle of the gravity energy storage device based on the retired fan blade provided by the invention is as follows:
firstly, the heavy object 1 is placed on the mountain bottom lifting device 4 or the mountain top lifting device 5 by using a crane (depending on the position of the scrapped fan blade, the scrapped fan blade is from a nearby wind farm and can be transported to the installation position from other places), taking the situation that the heavy object 1 is initially placed on the mountain bottom lifting device 4 as an example, when the energy is stored in the valley period, the J-shaped hook at the tail end of the rope 17 of each electric winch 18 is sleeved in the connecting lug on the sliding back baffle 23 of the sliding mechanism, the electric winch 18 is started to enable the rope 17 to drive the sliding mechanism to move to the position below the lifting device which is closest to the mountain top and stores the heavy object 1 along the sliding rail 6 towards the mountain bottom lifting device 4, when the sliding mechanism is transversely aligned with the mountain bottom lifting device 4, the bearing platform 20 of the mountain bottom lifting device 4 is controlled to descend, the top platform of the mountain bottom lifting device 4 is enabled to descend the heavy object 1 until the limit baffle 27 under the heavy object 1 is completely buckled with the sliding back baffle 22 and the sliding back baffle 23 on the sliding mechanism, the heavy object 1 is completely separated from the mountain bottom lifting device 4, and the sliding mechanism is controlled to be disconnected from the lowest position of the sliding mechanism, and the sliding device is continuously connected with the mountain bottom lifting device 4.
Then, the commercial power in the valley period is transmitted to a generator motor 10, the rotor shaft of the generator motor 10 rotates to generate mechanical energy, the mechanical energy is transmitted to a conversion shaft 8 through a gear box 12, the conversion shaft 8 rotates, so that a steel cable 3 fixed on the conversion shaft 8 is wound on the conversion shaft 8 and drives a sliding mechanism fixed at the tail end of the steel cable 3 to slide towards the mountain top, and a load 1 fixed on the sliding mechanism synchronously slides towards the mountain top to the position above a designated row of a mountain top lifting device 5 which is closest to the mountain top and is not provided with the load 1; when the sliding mechanism is transversely aligned with the mountain top lifting device 5, the bearing platform 20 of the mountain top lifting device 5 which does not store the appointed row of the load objects 1 is controlled to ascend, when the bottom surface of the top platform of the bearing platform is positioned on the same horizontal plane with the base of the sliding mechanism, the mountain top lifting device 5 starts to bear the load objects 1, when the bottom of the clamping frame at the bottom of the load objects 1 is higher than the top of the sliding mechanism, lifting is stopped, and at the moment, the load objects 1 are completely placed on the mountain top lifting device 5, and the sliding mechanism is separated from the load objects 1; then the generator motor 10 is turned off, the sliding mechanism descends to the mountain bottom section of the sliding rail 6 by itself under the action of gravity, the rope 17 of the electric winch 18 is utilized to bring the sliding mechanism to the mountain bottom lifting device 4 along the sliding rail 6, the next carrying of the carrying objects 1 from the mountain bottom to the mountain top is carried out according to the process, and a plurality of carrying objects 1 are sequentially arranged on the mountain top lifting devices 5 of the corresponding rows from high to low. The sizes and the arrangement of the steel cables 3 and the ropes 17 on the sliding rails 6 are the same, so that the action of the weight 1 on the sliding rails 6 can be kept stable; the plurality of mountain bottom lifting devices 4 of a row or the plurality of mountain top lifting devices 5 of a row share a switch, so that the lifting, the lowering and the stopping of the top platform of the lifting devices of a row can be kept synchronous.
When the power is released in the peak electricity period, firstly, the generator motor 10 is started to enable the sliding mechanism to move to a row of mountain top lifting devices 5 which store the load 1 at the mountain top and are farthest away from the mountain top, then, the bearing table 20 of the row is started to enable the load 1 to descend to the sliding mechanism, then, the power supply of the generator motor 10 is disconnected, the load 1 and the sliding mechanism synchronously descend under the action of gravity, the conversion shaft 8 is driven by the tail end of the steel cable 3 to release the steel cable 3 of the winding part and reversely rotate, the rotor shaft of the generator motor 10 is driven by the transmission gear box 12 to reversely rotate, induced electromotive force is output by the generator by utilizing the principle of electromagnetic induction, current can be generated through a closed load loop, and then, the current is conveyed to an electricity utilization end through a conducting wire after being converted by the converter. When the slide mechanism slides to the mountain bottom section of the slide rail 6, the slide mechanism is brought back to the position of the row of mountain bottom lifting devices 4 which do not store the load 1 and are furthest away from the mountain top along the slide rail 6 by using the rope 17 of the electric winch 18, when the slide mechanism is transversely aligned with the row of mountain bottom lifting devices 4, the bearing table 20 of the mountain bottom lifting devices 4 is controlled to ascend, when the bottom surface of the top platform of the slide mechanism is positioned on the same horizontal plane with the base of the slide mechanism, the mountain bottom lifting devices 4 start to bear the load 1, when the bottom of the clamping frame at the bottom of the load 1 is higher than the top of the slide mechanism, lifting is stopped, at the moment, the load 1 is completely placed on the mountain bottom lifting devices 4, and the slide mechanism is separated from the load 1, and the load 1 stays in the mountain bottom lifting devices 4 of the outermost row. The connection between the rope 17 and the sliding mechanism is disconnected, then the generator motor 10 is started again, so that the sliding mechanism moves towards the mountain top, and the gravity potential force releasing process of the load 1 at the mountain top lifting device 5 of the previous row is continuously repeated until the gravity potential energy of the load 1 at the mountain top lifting device 5 of the topmost row is released.
Compared with the related art, the gravity energy storage device based on the retired fan blade has the following beneficial effects:
the invention uses the retired fan blades as the load, can reasonably treat the retired old fan blades, reduce the renovation and recovery cost, protect the environment, fully utilize the mountain land, can also enable the movement of the load 1 on the mountain inclined plane 103 to store and release energy, and adopts the mountain gravity energy storage mode to play a role in peak clipping and valley filling for wind power generation, can supply power for the wind power generation equipment in use, effectively solves the wind abandoning problem, and in addition, can flexibly respond to the requirements of a power grid, increase the row number of the mountain top lifting device 5 and the mountain bottom lifting device 4 and correspondingly increase the number of the fan blades serving as the load 1 to increase the energy storage capacity according to the actual engineering requirements.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.

Claims (10)

1. The gravity energy storage device based on the retired fan blade comprises a sliding rail (6) and a mountain body, wherein the mountain body comprises a mountain top plane (101) and a mountain bottom plane (102), and is characterized in that a sliding mechanism capable of moving along the sliding rail (6) is arranged on the sliding rail, the sliding mechanism comprises a sliding supporting surface (21), a sliding front baffle (22) and a sliding rear baffle (23) are fixedly connected to two sides of the top of the sliding supporting surface (21) respectively, the arrangement directions of the sliding front baffle (22) and the sliding rear baffle (23) are consistent with the laying direction of the sliding rail (6), a load (1) is arranged on the sliding supporting surface (21) and between the sliding front baffle (22) and the sliding rear baffle (23), and the load (1) is the retired fan blade;
the top of the mountain top plane is provided with a generator motor (10) and a gear box (12), the output end of the gear box (12) is fixedly provided with a coupler (11), the coupler (11) and a rotor shaft of the generator motor (10) are fixedly arranged, the input end of the gear box (12) is fixedly connected with a belt wheel (14), the top of the mountain top plane is provided with a rotatable conversion shaft (8), be provided with gear area (13) between conversion axle (8) and band pulley (14), fixedly connected with steel cable (3) on conversion axle (8), the one end that conversion axle (8) was kept away from to steel cable (3) is connected with slide preceding baffle (22) for drive slide preceding baffle (22) activity, make and slide supporting surface (21) and load thing (1) move along slide rail (6) direction jointly.
2. The gravity energy storage device based on retired fan blades according to claim 1, wherein a mountain slope (103) is arranged between the mountain top plane (101) and the mountain bottom plane (102), at least two groups of sliding rails (6) are arranged, the sliding rails (6) are paved on the mountain slope (103) and the mountain bottom plane (102) connected with the slope, the sliding rails (6) are arranged in parallel, and the interval between any two adjacent sliding rails (6) is equal.
3. The gravity energy storage device based on the retired fan blade according to claim 2, wherein a deceleration strip (16) is arranged on a sliding rail (6) at the joint of the mountain bottom plane (102) and the mountain inclined plane (103), and the deceleration strips (16) and the sliding rail (6) are arranged in a one-to-one correspondence.
4. A gravity energy storage device based on retired fan blades according to claim 3, wherein a front connecting lug (221) is fixedly connected to one side of the sliding front baffle (22), a rear connecting lug (231) is fixedly connected to one side of the sliding rear baffle (23), and one end of the steel cable (3) is fixedly connected with the front connecting lug (221) for driving the sliding mechanism to move towards the mountain top plane.
5. The gravity energy storage device based on retired fan blades according to claim 4, wherein an electric winch (18) is fixedly installed at the tail end of the sliding rail (6) on the mountain bottom plane (102), a rope (17) is fixedly connected to the electric winch (18), a J-shaped hook is arranged at one end, far away from the electric winch (18), of the rope (17), and the J-shaped hook is installed in the rear connecting lug (231) and used for pulling the sliding mechanism to move towards the electric winch (18).
6. The gravity energy storage device based on retired fan blades according to claim 5, wherein a plurality of rows of mountain top lifting devices (5) are fixedly installed at the top of the mountain inclined plane (103), a plurality of rows of mountain bottom lifting devices (4) are fixedly installed at the top of the mountain bottom plane (102), the mountain top lifting devices (5) and the mountain bottom lifting devices (4) are all arranged in a staggered mode with the sliding rail (6), bearing tables (20) are arranged on the mountain top lifting devices (5) and the mountain bottom lifting devices (4), and the bearing tables (20) are used for bearing the load (1).
7. The gravity energy storage device based on retired fan blades according to claim 6, wherein the two sides of the bearing table (20) are fixedly connected with positioning baffles (201), the bottom of the mountain bottom lifting device (4) is provided with a horizontal base (401), and the bottom of the mountain top lifting device (5) is provided with an inclined base (501).
8. The gravity energy storage device based on retired fan blades according to claim 7, wherein the bottom of the load (1) is fixedly connected with a plurality of supporting seats (26), and the bottom of the supporting seats (26) is fixedly connected with two limit baffles (27) which are obliquely arranged.
9. The gravity energy storage device based on retired fan blades according to claim 8, wherein a plurality of shaft brackets (9) are fixedly arranged at the top of the mountain top plane (101), and the conversion shaft (8) is rotatably connected with the shaft brackets (9).
10. The gravity energy storage device based on retired fan blades according to claim 9, characterized in that the top of mountain slope (103) and the one end that is located slide rail (6) are fixed mounting has stand (7), and the top of stand (7) is provided with pulley (15), and pulley (15) are used for providing the direction for the activity of steel cable (3).
CN202410168930.1A 2024-02-06 2024-02-06 Gravity energy storage device based on retired fan blade Pending CN117869190A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410168930.1A CN117869190A (en) 2024-02-06 2024-02-06 Gravity energy storage device based on retired fan blade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410168930.1A CN117869190A (en) 2024-02-06 2024-02-06 Gravity energy storage device based on retired fan blade

Publications (1)

Publication Number Publication Date
CN117869190A true CN117869190A (en) 2024-04-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Link
CN (1) CN117869190A (en)

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