CN201843738U - Heavy-object power storage device - Google Patents
Heavy-object power storage device Download PDFInfo
- Publication number
- CN201843738U CN201843738U CN2010205489204U CN201020548920U CN201843738U CN 201843738 U CN201843738 U CN 201843738U CN 2010205489204 U CN2010205489204 U CN 2010205489204U CN 201020548920 U CN201020548920 U CN 201020548920U CN 201843738 U CN201843738 U CN 201843738U
- Authority
- CN
- China
- Prior art keywords
- wheel disc
- rotating shaft
- disc rotating
- slope
- steel cable
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a heavy-object power storage device, belonging to the technical field of power storage. The heavy-object power storage device comprises a dual-rail which is laid from the top to the bottom of a slope, an upper wheel disc rotating shaft which is arranged at the top of the slope, a lower wheel disc rotating shaft which is arranged at the bottom of the slope, two closed ring steel wire ropes, a plurality of cylindrical heavy objects which can roll on the dual-rail, and a plurality of traction bolts, wherein wheel discs are respectively and tightly fixed at the two ends of the upper wheel disc rotating shaft and the lower wheel disc rotating shaft, the upper wheel disc rotating shaft or/and lower wheel disc rotating shaft are connected with an electric/power generation integral motor in a machine room in a driving way, each closed ring steel wire rope connects two wheel discs on the same side of the upper wheel disc rotating shaft and the lower wheel disc rotating shaft in a driving way, the two end surfaces of each cylindrical heavy object are respectively provided with a protruding short shaft head, and each traction bolt is provided with a load-bearing bearing bush which can bear the short shaft head and a steel wire rope clip which can be tightly fixed with and be separated from the steel wire rope. The heavy-object power storage device has the beneficial effects that the energy storage time is long, the peak pitching and valley filling requirements of a power system can be satisfied, the power storage capacity is high, the device is not restricted by water sources and landforms, the device can be constructed as long as slopes exist, the land and the investment can be saved, the device does no harm to the environment and the power can be regulated in a wide range.
Description
Technical field
The utility model belongs to the electrical power storage technical field, is specifically related to a kind of weight electricity storage unit.
Background technique
The electrical power storage technology is divided into mechanical accumulate, electromagnetism accumulate and electrochemistry accumulate three major types.Machinery accumulate existing draw water accumulate, pressurized air accumulate, flywheel accumulate.The accumulate that draws water is in the electric load low ebb phase water to be extracted into water reservoir tank from following water reservoir tank, electric energy is changed into gravitational potential energy store the water generating on the network load peak period discharges in the water reservoir tank.Draw water release time of accumulate is that several hrs arrives several days, and the peak-clipping and valley-filling, frequency modulation, phase modulation, the emergency episode that are mainly used in electric power system are standby.The construction in accumulate power station of drawing water is restricted by landform.The pressurized air accumulate is in the network load low ebb phase electric energy to be used for pressurized air, the air high pressure sealing in the seabed of abandoned well, sedimentation gas holder, cavern, expired oil gas well or newly-built gas storage well, is discharged the air push steam turbine power generation of compression in the network load peak period.The construction in pressurized air accumulate power station is restricted by landform also, and geologic structure is had specific (special) requirements.Flywheel energy storage utilizes motor drives flywheel high speed rotating, electric energy is changed into mechanical energy store, and flywheel drives generator for electricity generation when needed.The shortcoming of flywheel energy storage is that energy density is low, guarantees that the expense of security of system aspect is very high, is only applicable to replenish into battery system.The electromagnetism accumulate comprises superconduction accumulate, electric capacity accumulate, ultracapacitor accumulate, and cost is very high.The electrochemistry accumulate has lead-acid battery, flow battery, sodium-sulphur battery etc.The shortcoming of electrochemistry accumulate is to use the time limit short, and environmental burden is heavy, needs multiple processing waste material etc.
At present mainly regulate and control electricity consumption peak value and valley in the mode of the accumulate that draws water both at home and abroad: when need for electricity was lower than generated energy, power plant was used for pumped storage with unnecessary electric power; When need for electricity arrives the peak, then emit the usefulness of retaining, with the supply that increases electric power for another hydroelectric system generating.As preceding pointed, the construction at the accumulate station of drawing water is subjected to the restriction of water source and landform big, and floor space and construction investment are big.The unnecessary electric power of power plant when the chemical accumulate that utilizes storage battery that also has stores the electricity consumption valley, this electrochemistry electric energy storage device environmental protection amount is big, and service life is short.
That application number is that 97201420.9 Chinese patent file has been announced is a kind of " gravity force energy storage release can device ", contain Transmitted chains, weight is carried bucket, weight, high-order tower, helical orbit, release energy machine structure and speed regulator, weight is carried bucket and is being moved between ground and high-order tower under the effect of Transmitted chains, weight is carried between bucket, high-order tower, helical orbit, release energy machine structure, the ground in ground, a high position and is made shuttling movement, and speed regulator and release energy machine structure join.The shortcoming of this technological scheme is that the energy storage cycle is very short, is difficult to satisfy the peak-clipping and valley-filling requirement of electric power system.
The model utility content
The purpose of this utility model is the shortcoming that overcomes prior art, provides a kind of not only energy storage time long, can satisfy the peak-clipping and valley-filling requirement of electric power system, and not limited by the water source, and floor space is little, environmental protection, the weight electricity storage unit that service life is long.
Structure of the present utility model is to include:
1, the two-orbit of laying at the end, slope is pushed up on slope along the slope, and the top, slope is provided with plane last storehouse and the sloping end is provided with plane following storehouse;
2, one slope top cross over track and establish on the wheel disc rotating shaft, a following wheel disc rotating shaft of establishing at the end, slope leap track, the two ends of last wheel disc rotating shaft and following wheel disc rotating shaft all are fastened with wheel disc respectively, and last wheel disc rotating shaft is or/and descend the interior electronic/generating one electric-motor-driving of wheel disc rotating shaft and machine room to connect;
3, two wheel discs that two closed hoop steel cables, each bar closed hoop steel cable will be gone up wheel disc rotating shaft and following wheel disc rotating shaft homonymy are in transmission connection;
4, a plurality of cylindrical body weights that can roll on two-orbit, the both ends of the surface of cylindrical body weight respectively have a minor axis head that protrudes;
5, a plurality of towing pins, each towing pin have can hold receive said minor axis head the load-bearing bearing housing and can be fastening and the steel cable folder that unclamps with steel cable.
Using method:
1, accumulate: motor initiatively is power consumption, concrete grammar is: one short time of every interval is pushed a cylindrical body weight of depositing in down the storehouse to track, and allow two minor axis head be inserted in respectively in the bearing housing of two towing pins, simultaneously with folder of the steel cable on each towing pin and corresponding below steel cable clamping.Under the dragging of steel cable, the cylindrical body weight rolls along track and upwards moves wire rope traction power consumed power.When the cylindrical body weight moves to the top, slope, open the steel cable folder on the towing pin, and allow the minor axis of cylindrical body weight in the bearing housing of towing pin, deviate from, then this cylindrical body weight is sent into the stock and put.Towing pin can be deposited stand-by, or towing pin and top steel cable are clamped, and allows it move with steel cable downwards, and towing pin moves to the slope during end with steel cable, opens its steel cable folder, makes it stand-by with steel cable disengaging back.
2, generating: motor is passive for generating electricity, and the direction of the direction of rotation when wheel disc is pressed with power consumption is rotated.Concrete grammar is: one short time of every interval is pushed a cylindrical body weight of depositing in the storehouse to track, and allows two minor axis head be inserted in respectively in the bearing housing of two towing pins, simultaneously with folder of the steel cable on each towing pin and corresponding below steel cable clamping.Under the action of gravity of cylindrical body weight, the cylindrical body weight rolls along track and moves downwards, and steel cable is driven and moves by weight, rotates electric power generation thereby drive wheel disc.The cylindrical body weight moves to the slope during end, opens the steel cable folder on the towing pin, makes it to break away from steel cable, and allows the minor axis of cylindrical body weight deviate from the bearing housing of towing pin, then this cylindrical body weight is sent into down the stock and puts.Towing pin can be deposited stand-by, or towing pin and top steel cable are clamped, and allows it with upwards operation of steel cable, when towing pin moves to the top, slope with steel cable, opens its steel cable folder, makes it that to break away from the back stand-by with steel cable.
The utility model both can have been made manual operation operation type, also made semi-automation or full-automatic operation type easily.
The angle of gradient on slope can be acute angle, and maximum also can be 90 °.If adopt vertical track, when the accumulate capacity is identical, can saves the weight total amount or shorten track length, reduce investment, save the soil; Also can raise the efficiency; But it is higher that vertical track requires at aspects such as construction, landform and machine capabilities.
The energy loss of device has several aspects: 1. weight feed, material stock and overcome friction took place in the running up and down loss; 2. the energy loss of supporting machinery; 3. the efficiency losses of dynamoelectric and power generation integrated machine.
The accumulate capacity of device is directly proportional with the cylindrical body weight gross mass and the track upper and lower end discrepancy in elevation, and the storage generated output then is directly proportional with single cylindrical body weight quality (a plurality of uses simultaneously are also right) and motion speed thereof.
The main body of cylindrical body weight can be cast and forms with adding an amount of reinforcing bar in the concrete, is reinforced concrete construction, and its volume can be set on demand, weight be several tons to tons up to a hundred, every covering device can be joined tens of to up to a hundred.These cylindrical body weight two ends are with and can be stuck in the steel rolling ring of rolling on the rail.Locked groove is reserved so that can fasten easily with the bearing housing of towing pin or untie in the spindle nose top of cylindrical body weight both ends of the surface.Two anti-collision rings on the cylindrical body weight main body hoop are made up of the flexible steel bar of buffering blob of viscose overcoat, preventing damaged in collision in material stock and feed, and prevent the blob of viscose of grinding away when promotion mutually.
The beneficial effects of the utility model:
1. energy storage time is long, can satisfy the peak-clipping and valley-filling requirement of electric power system.The accumulate capacity is big.The accumulate station of being made up of many covering devices can reach huge capacity.
2. for the accumulate station of drawing water, not limited by water source and landform, there is the hillside to build, simultaneously can save a large amount of soils and investment, its environmental sound in addition, power such as can regulate at advantage in a big way, be suitable for the scattered storage and the stable supplying of the few aqua region wind-powered electricity generation in many mountains, photoelectricity, also is suitable for the peak valley allotment of city electricity consumption and " zero deposits whole the confession " in zone " intelligent grid " etc.
3. for chemical accumulate mode, its service life is long, environmental protection and need not multiple processing waste material etc. and be advantage.
4. device is easy to supporting numerically controlled automatic system.
Description of drawings
Fig. 1 is embodiment's a left TV structure schematic representation.
Fig. 2 is embodiment's a local main TV structure schematic representation.
Fig. 3 is the schematic perspective view of cylindrical body weight among the embodiment.
Fig. 4 is the main TV structure schematic representation of towing pin among the embodiment.
Embodiment
Embodiment.See Fig. 1～4, this device includes:
Article one, push up the two-orbit of laying at the end, slope 1 along the slope on slope, the top, slope is provided with plane last storehouse 2 and the sloping end is provided with plane following storehouse 3, and the angle of gradient on slope is an acute angle;
One slope top cross over track 1 and establish on wheel disc rotating shaft 4, a following wheel disc rotating shaft 5 of establishing at the end, slope leap track, the two ends of last wheel disc rotating shaft 4 and following wheel disc rotating shaft 5 all are fastened with wheel disc 6 respectively, and last wheel disc rotating shaft 4 is or/and descend the interior electronic/generating one electric-motor-driving of wheel disc rotating shaft 5 and machine room to connect (not drawing among the figure);
Article two, two wheel discs 6 that closed hoop steel cable 7, each bar closed hoop steel cable 7 will be gone up wheel disc rotating shaft 4 and following wheel disc rotating shaft 5 homonymies are in transmission connection;
A plurality of cylindrical body weights 8 that can roll on two-orbit 1, the both ends of the surface of cylindrical body weight 8 respectively have a minor axis head 9 that protrudes;
A plurality of towing pins 10, each towing pin 10 have can hold receive said minor axis head 9 load-bearing bearing housing 11 and can be fastening and the steel cables folder 12 that unclamps with steel cable 7.
The main body of cylindrical body weight 8 is cast and is formed with adding an amount of reinforcing bar in the concrete, and two ends are with and may be stuck in the steel rolling ring 13 of rolling on the rail 1, and locked groove is reserved on minor axis head 9 tops, and load-bearing bearing housing 11 is established lock set.Last two anti-collision rings 14 of cylindrical body weight 8 hoops are made up of the flexible steel bar of buffering blob of viscose overcoat.Near the upper/lower terminal of rail 1, also respectively establish two guide slots 15 respectively, guide slot 15 can come and go towing pin 10 and move " guiding " at two 7 of steel cables up and down, and can open on request or the steel cable of closed draw bolt 10 folder 12, its root can make minor axis head 9 actions on load-bearing bearing housing 11 and the weight 8 on the towing pin cooperate, can solve the separation problem that connects of weight 8 and steel cable 7 comprehensively, can make towing pin 10 get around wheel disc 6 again, thereby avoid steel cable folder 12, steel cable 7 and wheel disc 6 threes' extrusion friction to damage.Board 16 is established in guide slot 15 belows, and board 16 can be accepted and discharges weight 8 in flexible (buffering) mode.Board 16 and guide slot 15 all can be along track 1 suitable liftings, the last storehouse 2 that links to each other with track 1 and the also lifting thereupon of part track in following storehouse 3, supply during weight 8 to decline, can make weight 8 roll into board 16 voluntarily, storage to rising, makes weight 8 break away from board 16 voluntarily and rolls into storehouse 2 or time storehouse 3 during weight 8.
Machine room is located at track 1 upper end or all can (not draw) in the lower end, can make somebody a mere figurehead in last storehouse 2 or storehouse 3 front ends down, connect with wheel disc 6 with drive chain, in establish viewing console (system), capital equipment is the dynamoelectric and power generation integrated machine, can set to draw flywheel, speed changer etc.
Working principle
Accumulate: motor rotates consumed power, and wheel disc 6 is moved in the direction of the clock.Following storehouse 3 uninterruptedly pushes following board 16 with cylindrical body weight 8.Two guide slots 15 that are positioned at weight 8 two ends are inserted in the spindle nose 9 of weight 8 and pinning automatically with the bearing housing 11 on two towing pins 10.Steel cable folder 12 is open at this moment, in case obtain signal (electrical signal that sends when for example the board 16 of track upper end is accepted weight 8), this guide slot 15 just presss from both sides steel cable 12 closures (can suitably promote weight 8 by board 16 according to circumstances to clamp steel cable 7, give an one initial velocity), weight 8 is with upwards operation of steel cable 7, the tractive force consumed power of steel cable 7.When weight 8 moves to the track upper end, top board 16 is accepted weight 8, corresponding guide slot 15 opens steel cable folder 12 (the 15 closed steel cable folders 12 of the guide slot below electrical signal " notice " simultaneously), opens the lock set on the bearing housing 11, draws back towing pin 10, and with the supreme steel cable of towing pin 10 " guiding ", closed steel cable folder 10 allows it move with steel cable 7 downwards, meanwhile, top board 16 is released into 2 tops, storehouse with weight 8, by 2 storages of last storehouse.When guide slot 15 ends below towing pin 10 moves to steel cable 7, guide slot 15 opens steel cable folder 12, and towing pin 10 and steel cable 7 are broken away from, and with its " guiding " to root, work good " wait " electrical signal " notice " with another weight 8 on the following board 16.
During generating: incessantly weight 8 is pushed top board 16 by last storehouse 2, above guide slot 15 with towing pin 10 fit with it, and press the closed steel cable of electrical signal " notice " folder 12, board 16 simultaneously discharges weight 8 (also can give an one initial velocity), weight 8 moves downwards along track 7, traction wheel disc 6 drives dynamoelectric and power generation integrated machine generating power supply by counterclockwise rotating.When weight 8 moves to track 1 lower end, following board 16 is accepted weight 8, following guide slot 15 roots open steel cable folder 12 and (send the guide slot 15 closed steel cables folders 12 above the electrical signal " notice " simultaneously, top board 16 discharges weights 8), open the lock set on the bearing housing 11, draw back towing pin 10, and with towing pin 10 " guiding " to the end, closed steel cable folder 12 is clamped steel cable, allow it with upwards operation of steel cable 7, meanwhile, following board 16 is released into down 3 tops, storehouse with weight 8, by storehouse 3 storages down.When empty towing pin 10 moves to top guide slot 15 ends with last steel cable, guide slot 15 ends just open the steel cable folder 12 on the towing pin 10 and will draw bolt 10 " guiding " to root and above board 16 on another weight 8 work good " wait " electrical signal " notice ".
Notice: in device, increase retardance protection safty device when 1, making, prevent to expect that piece freely falls or tumbles and cause the accident.2, strict equipment control inspection and repair system is stopped above-mentioned accident and is taken place.
Above embodiment only is described further the utility model, and scope of the present utility model is not subjected to the limitation of illustrated embodiment.
Claims (3)
1. weight electricity storage unit is characterized in that including:
(1), slope along the slope pushes up the two-orbit of laying at the end, slope, the top, slope is provided with plane last storehouse and the sloping end is provided with plane following storehouse;
(2), one slope top cross over track and establish on the wheel disc rotating shaft, a following wheel disc rotating shaft of establishing at the end, slope leap track, the two ends of last wheel disc rotating shaft and following wheel disc rotating shaft all are fastened with wheel disc respectively, and last wheel disc rotating shaft is or/and descend the interior electronic/generating one electric-motor-driving of wheel disc rotating shaft and machine room to connect;
(3), two closed hoop steel cables, two wheel discs that each bar closed hoop steel cable will be gone up wheel disc rotating shaft and following wheel disc rotating shaft homonymy are in transmission connection;
(4), a plurality of cylindrical body weight that can on two-orbit, roll, the both ends of the surface of cylindrical body weight respectively have a minor axis head that protrudes;
(5), a plurality of towing pin, each towing pin have can hold receive said minor axis head the load-bearing bearing housing and can be fastening and the steel cable folder that unclamps with steel cable.
2. as the said weight electricity storage unit of claim 1, it is characterized in that: the main body of cylindrical body weight is a reinforced concrete construction.
3. as the said weight electricity storage unit of claim 2, it is characterized in that: cylindrical body weight two ends are with and may be stuck in the steel rolling ring of rolling on the rail, and minor axis crown end is reserved locked groove, the sheathed lock set of load-bearing bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205489204U CN201843738U (en) | 2010-09-30 | 2010-09-30 | Heavy-object power storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205489204U CN201843738U (en) | 2010-09-30 | 2010-09-30 | Heavy-object power storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201843738U true CN201843738U (en) | 2011-05-25 |
Family
ID=44038630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205489204U Expired - Fee Related CN201843738U (en) | 2010-09-30 | 2010-09-30 | Heavy-object power storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201843738U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564550A (en) * | 2014-12-02 | 2015-04-29 | 于元亮 | Potential energy stored power generation system |
| CN104675643A (en) * | 2015-02-03 | 2015-06-03 | 张占海 | Efficient solid accumulator |
| WO2015078098A1 (en) * | 2013-11-30 | 2015-06-04 | Liu Dianjun | Electricity Generation System Using Weight Potential Energy |
| CN105202139A (en) * | 2015-10-20 | 2015-12-30 | 张占海 | Spherical solid energy accumulator |
| CN105673364A (en) * | 2016-03-11 | 2016-06-15 | 宋振海 | Stone lifting and energy storage power station |
| CN111980874A (en) * | 2019-05-02 | 2020-11-24 | 韦开源 | Gravity energy storage technology and device for up-down slope along rail |
| CN112682281A (en) * | 2021-01-29 | 2021-04-20 | 朱赛 | Potential energy power generation and potential energy storage combined power station |
| CN113184453A (en) * | 2021-05-11 | 2021-07-30 | 西安热工研究院有限公司 | Modular circulating lifting gravity energy storage system based on chain transmission |
| CN113482868A (en) * | 2021-06-08 | 2021-10-08 | 西安热工研究院有限公司 | Modular gravity energy storage system with adjustable power and easy capacity expansion |
-
2010
- 2010-09-30 CN CN2010205489204U patent/CN201843738U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015078098A1 (en) * | 2013-11-30 | 2015-06-04 | Liu Dianjun | Electricity Generation System Using Weight Potential Energy |
| CN104564550A (en) * | 2014-12-02 | 2015-04-29 | 于元亮 | Potential energy stored power generation system |
| CN104675643A (en) * | 2015-02-03 | 2015-06-03 | 张占海 | Efficient solid accumulator |
| CN105202139A (en) * | 2015-10-20 | 2015-12-30 | 张占海 | Spherical solid energy accumulator |
| CN105673364A (en) * | 2016-03-11 | 2016-06-15 | 宋振海 | Stone lifting and energy storage power station |
| CN111980874A (en) * | 2019-05-02 | 2020-11-24 | 韦开源 | Gravity energy storage technology and device for up-down slope along rail |
| CN112682281A (en) * | 2021-01-29 | 2021-04-20 | 朱赛 | Potential energy power generation and potential energy storage combined power station |
| CN113184453A (en) * | 2021-05-11 | 2021-07-30 | 西安热工研究院有限公司 | Modular circulating lifting gravity energy storage system based on chain transmission |
| CN113184453B (en) * | 2021-05-11 | 2022-06-14 | 西安热工研究院有限公司 | Modular circulating lifting gravity energy storage system based on chain transmission |
| CN113482868A (en) * | 2021-06-08 | 2021-10-08 | 西安热工研究院有限公司 | Modular gravity energy storage system with adjustable power and easy capacity expansion |
| CN113482868B (en) * | 2021-06-08 | 2023-10-10 | 西安热工研究院有限公司 | Modularized gravity energy storage system with adjustable power and easy capacity expansion |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201843738U (en) | Heavy-object power storage device | |
| US10069333B2 (en) | Ridgeline cable drive electric energy storage system | |
| RU2699855C1 (en) | Industrial energy storage system | |
| CN103867408A (en) | Gravity energy storing system relying on massif | |
| DE10037678A1 (en) | Mechanical lift storage mechanism has solid matter or loose/liquid matter in containers that is raised; the energy expended to is recovered by lowering same mass, using electric generators | |
| DE102007017695A1 (en) | Electrical energy producing and storing method for e.g. tidal hub power station, involves converting potential energy of arbitrary mass carriers at rate of preset watt second per kilogram meter | |
| WO2020040717A1 (en) | Method for accumulating and recuperating electrical energy | |
| US11525437B2 (en) | Energy storage system with elevator lift system | |
| WO2010049492A2 (en) | Composite system for generating and electromechanically storing electrical energy | |
| EP2961982B1 (en) | Gravitational potential energy storage | |
| CN106704121A (en) | Efficient gravity energy storage device | |
| GB2506133A (en) | Electrical energy storage and generating unit with suspended weight | |
| CN206555081U (en) | High efficiency gravity energy storage device | |
| CN113653612A (en) | Solid gravity flow carrying equipment, gravity energy storage element and energy storage system | |
| DE102011105859A1 (en) | Energy station for installation in mountain near wind-power plant for storing large amount of renewable energy, has lower and upper stations covered with photovoltaic systems, where station stores renewable energy in form of kinetic energy | |
| CN209536772U (en) | It is a kind of based on mine vertical cylinder, promotion, transportation system gravity force energy storage system | |
| US20220163018A1 (en) | Gravitational Energy Storage Device | |
| CN109882348B (en) | Electric energy storage device and control method thereof | |
| CN209604188U (en) | A kind of apparatus for storing electrical energy | |
| CN216044213U (en) | Solid gravity flow carrying equipment, gravity energy storage element and energy storage system | |
| CN113417817A (en) | Solid gravity flow carrying equipment and energy storage system | |
| CN219771599U (en) | Gravity energy storage device capable of continuously charging and discharging | |
| CN216518437U (en) | Multi-cycle load-sharing gravity energy storage power station system with multiple ropeways in mountainous region | |
| CN201128633Y (en) | United slipping pedestal | |
| US10787321B1 (en) | Bi-way conveyor system for power storage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20120930 |