CN113982870A - Energy storage device - Google Patents
Energy storage device Download PDFInfo
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- CN113982870A CN113982870A CN202111243587.5A CN202111243587A CN113982870A CN 113982870 A CN113982870 A CN 113982870A CN 202111243587 A CN202111243587 A CN 202111243587A CN 113982870 A CN113982870 A CN 113982870A
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- energy storage
- elastic
- fixed end
- end plate
- assembly
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- 238000004146 energy storage Methods 0.000 title claims abstract description 75
- 238000006243 chemical reaction Methods 0.000 claims abstract description 37
- 230000005489 elastic deformation Effects 0.000 claims abstract description 4
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims 1
- 238000004880 explosion Methods 0.000 abstract description 7
- 238000002485 combustion reaction Methods 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000005381 potential energy Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
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- 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
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G1/00—Spring motors
- F03G1/02—Spring motors characterised by shape or material of spring, e.g. helical, spiral, coil
-
- 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
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G1/00—Spring motors
- F03G1/06—Other parts or details
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses an energy storage device. Wherein, energy memory includes: the energy storage device comprises a first fixed end plate, a second fixed end plate, a cascade assembly, a torque conversion assembly and an elastic assembly, wherein the first fixed end plate and the second fixed end plate are oppositely arranged, and an energy storage space is formed between the first fixed end plate and the second fixed end plate; the outside of first fixed end plate is located to the cascade connection subassembly, the moment of torsion transform subassembly is located the outside of the fixed end plate of second, elastic component locates the energy storage space to one end connect in the moment of torsion transform subassembly, the moment of torsion transform subassembly is connected to the one end of two corresponding energy storage components after the moment transform, the cascade connection subassembly is connected to the other end of energy storage component, and the energy storage component is with elastic deformation energy storage. The invention can avoid the combustion and explosion of the battery energy storage and ensure the energy storage safety.
Description
Technical Field
The invention relates to the technical field of fans and the field of power energy storage, in particular to an energy storage device.
Background
In the field of power generation, in general, at a low peak of power utilization, excess power needs to be stored so as to release the stored power at a high peak of power utilization. The current storage mode is usually stored by a battery, but the storage mode is easy to generate dangers such as burning, explosion and the like by using the battery to store electric power.
Disclosure of Invention
Therefore, in order to solve the problem that the existing battery is easy to generate danger when storing electricity, an energy storage device is needed to be provided, which aims to reduce the occurrence of combustion and explosion and ensure safety.
To achieve the above object, the present invention provides an energy storage device, including:
a first fixed end plate;
the first fixed end plate and the second fixed end plate are arranged oppositely, and an energy storage space is formed between the first fixed end plate and the second fixed end plate;
the cascade assembly is arranged on the outer side of the first fixed end plate and used for completing cascade connection of the elastic energy storage assembly;
the torque conversion assembly is arranged on one side of the second fixed end plate; and
the elastic assembly is arranged in the energy storage space and connected to the torque conversion assembly, and the torque conversion assembly rotates the elastic assembly to generate deformation energy storage.
In one embodiment, the elastic assemblies are provided in plurality, the elastic assemblies are radially arranged in the energy storage space, and the elastic assemblies are arranged in a linkage manner.
In one embodiment, a plurality of the elastic components are connected to the cascade component.
In one embodiment, the cascade assembly comprises a plurality of cascade mechanisms, each cascade mechanism is connected with two adjacent groups of elastic energy storage assemblies, and the cascade mechanisms are meshed through gears.
In one embodiment, one end of the elastic component is fixedly connected to the cascade mechanism, and the other end of the elastic component is connected to the torque conversion device.
In one embodiment, the elastic assembly includes a plurality of elastic energy storage assemblies, and the plurality of elastic energy storage assemblies are buckled and connected along the axial direction.
In one embodiment, the elastic energy storage assembly comprises a plurality of elastic energy storage springs, and the elastic energy storage springs are sequentially sleeved on the sleeving connection discs on the two sides of the elastic energy storage assembly in a radial equal-angular-distance manner.
In one embodiment, the spring deformation coefficients are the same.
In one embodiment, the two side sleeve connecting discs are identical in structure, a plurality of fastening grooves are formed at the circumferential positions at equal intervals, and the energy storage spring assembly and the connection of the spring assembly with the cascade device and the torque conversion assembly are completed by using a fastening device
In one embodiment, the energy storage device includes a stress detector disposed inside the second fixed end plate.
In one embodiment, the springs are elastically tightened to store energy, and the springs rebound to release energy.
In the technical scheme of the invention, an elastic assembly is arranged between the first fixed end plate and the second fixed end plate. The elastic component is connected with the torque conversion component. At the low peak of the electricity consumption, the surplus electric power is utilized to drive the torque conversion assembly, and the rotation of the torque conversion assembly drives the elastic assembly to deform. Thereby, the redundant electric power is converted into deformation energy of the elastic component. During peak power usage, the elastic assembly releases the stored energy through the torque conversion assembly. According to the technical scheme, the elastic assembly is used for converting redundant electric power into mechanical energy, so that storage of a battery is avoided, the situations of combustion and explosion are avoided, and the safety in use is ensured.
Drawings
FIG. 1 is a schematic view of a first fixed end plate of the energy storage device of the present invention;
FIG. 2 is a schematic view of a second fixed end plate of the energy storage device of the present invention;
FIG. 3 is a schematic view of the first stationary end plate of FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the second stationary end plate of FIG. 2 according to the present invention;
FIG. 5 is a schematic view showing a connection structure of the first elastic member and the second elastic member of FIG. 1 according to the present invention;
FIG. 6 is a schematic view of the first resilient element of FIG. 1 according to the present invention;
FIG. 7 is a cross-sectional view of the first resilient element of FIG. 6 according to the present invention;
fig. 8 is a schematic structural view of the stress detection member of the present invention.
The reference numbers illustrate:
reference numerals | Name (R) | Reference numerals | Name (R) |
10 | First fixed |
411 | |
20 | Second fixed |
420 | Second |
30 | |
50 | |
40 | |
510 | |
410 | First |
60 | Stress detection piece |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise specifically stated or limited, the terms "connected," "hub sleeve," and the like are to be construed broadly, e.g., "hub sleeve" may be a hub sleeve connection, a hub sleeve detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
In the related art, in the field of power generation, it is generally necessary to store excess power at a low power peak so as to release the stored power at a high power peak. The current storage mode is usually stored by a battery, but the storage mode is easy to generate dangers such as burning, explosion and the like by using the battery to store electric power.
In order to solve the above problem, referring to fig. 1 to 4, the present embodiment provides an energy storage device, including: the energy storage device comprises a first fixed end plate 10, a second fixed end plate 20, a torque conversion assembly 30 and an elastic assembly 40, wherein the first fixed end plate 10 and the second fixed end plate 20 are oppositely arranged, and an energy storage space is formed between the first fixed end plate 10 and the second fixed end plate 20; the first and second fixed end plates 10 and 20 are used to fix the elastic assembly 40. The torque conversion assembly is arranged on one side of the second fixed end plate. The first and second fixed end plates 10 and 20 may be metal plates or plastic plates. The first and second fixed end plates 10 and 20 may have a circular or square configuration. The cascade assembly 50 is provided outside the first fixed end plate 10.
The elastic component 40 is arranged in the energy storage space and connected with the torque conversion component, and the torque conversion component rotates the elastic component 40 to generate deformation and store energy. The elastic member 40 is fixed at least at one end to the first and second fixed end plates 10 and 20. Through the rotation of the torque conversion assembly, the elastic assembly 40 generates elastic deformation, and the electric power is converted into elastic potential energy of the elastic assembly 40. When the electric power needs to be released, the elastic component 40 recovers deformation, drives the torque conversion component to rotate, releases elastic potential energy, and converts mechanical energy into electric energy.
In the solution of the present embodiment, an elastic member 40 is disposed between the first fixed end plate 10 and the second fixed end plate 20. The elastic member 40 is connected to the torque conversion member 30. At the low peak of electricity utilization, the torque conversion assembly 30 is driven by the redundant electric power, and the elastic assembly 40 is driven to deform by the rotation of the torque conversion assembly 30. Thereby, the surplus electric power is converted into deformation energy of the elastic member 40. During peak power usage, the resilient assembly 40 releases stored energy through the torque conversion assembly 30. According to the technical scheme, redundant electric power is converted into mechanical energy through the elastic assembly 40, and battery storage is avoided, so that the situations of combustion and explosion cannot occur, and the use is safer.
In one embodiment, for more power storage, the elastic elements 40 are provided in plurality, the elastic elements 40 are radially arranged in the energy storage space, and the elastic elements 40 are linked with each other. More power can be conserved by the plurality of elastomeric members 40. And through the linkage between the elastic assemblies 40, one elastic assembly 40 rotates and deforms to drive other elastic assemblies 40 to also deform, so that the efficiency of converting electric power into elastic potential energy can be improved.
Further, in order to more effectively link the elastic members 40, a plurality of elastic members 40 are connected to the cascade member 50. Through the tandem assembly 50, the plurality of elastic assemblies 40 can be rotated in synchronization.
Specifically, the cascade assembly 50 includes a plurality of cascade mechanisms, each of which connects two adjacent sets of elastic assemblies, and the cascade mechanisms are engaged with each other through gears. For example, the cascade mechanism is a cascade disk 510, each elastic component is connected with the cascade disk 510, and a plurality of cascade disks 510 are arranged in a meshed manner. It can be seen that, when one elastic member rotates, the cascade disk 510 starts to rotate synchronously by the engagement of the cascade disk 510, and when the cascade disk 510 rotates, the plurality of elastic members also start to rotate and store energy at the same time.
In one embodiment, in order to prevent the elastic elements 40 from storing energy effectively, one end of at least one elastic element 40 is fixedly connected to the second fixed end plate 10 or the second fixed end plate 20. One end of one elastic component 40 is fixedly locked, so that the elastic component 40 can effectively accumulate deformation force. By way of example, the elastic assembly 40 is provided with four, respectively a first, a second, a third and a fourth set of springs. The rotating torque of the torque conversion assembly 30 is firstly applied to the first group of springs, when the first group of springs are tightened, the second group of springs are also driven to rotate, but the torque is increased and converted, the torque ratio is larger, the tightening speed of the first group of springs is much higher than that of the second group of springs, but when the first group of springs are tightened to the limit, the length of the springs is limited by the first fixed end plate 10 and the second fixed end plate 20, the springs cannot be deformed continuously, and all the torque is transmitted to the second group of springs. The second set of springs is coupled to the third set of springs through a cascade plate 510, which is slowed down and transferred to the fourth set of springs. A fourth set of springs is locked to the cascade disk 510.
In one embodiment, to ensure that the elastic component functions more effectively, one end of the elastic component is fixedly connected to the cascade mechanism, and the other end is connected to the torque converter.
Referring to fig. 5, in one embodiment, in order to store more power, the elastic element 40 includes a plurality of elastic energy storage elements, and the elastic energy storage elements are connected in a snap-fit manner along the axial direction. For example, the elastic energy storage assembly comprises a first elastic member 410 and a second elastic member 420, and the first elastic member 410 and the second elastic member 420 are axially connected in a snap-fit manner, so that the first elastic member 410 and the second elastic member 420 are arranged in series, and the deformation capacity is increased by the series connection of the two elastic members. And the buckling connection of the first elastic member 410 and the second elastic member 420 ensures that the deformation force of the first elastic member 410 can be transmitted to the second elastic member 420. And ensure that the axes of the first elastic member 410 and the second elastic member 420 coincide. Of course, the number of the elastic members is not limited to two, and may be three or four in series.
Referring to fig. 6 and 7, in one embodiment, the elastic energy storage assembly includes a plurality of elastic energy storage springs, and the plurality of elastic energy storage springs are sequentially sleeved on the sleeving plates at two sides of the elastic energy storage assembly in a radial direction at equal angular intervals. For example, the elastic member 40 includes a plurality of springs 411, and the plurality of springs 411 are radially nested in turn. Through cup jointing layer upon layer of a plurality of springs 411, make full use of spring inner space, the quantity of storage electric power can be improved in the setting of a plurality of springs 411. The steel wire of spring 411 chooses the steel wire that elastic deformation ability is good, and the steel wire shape is square fillet. Furthermore, the structures of the two side sleeve plates are the same, a plurality of fastening grooves with equal intervals are formed in the circumferential position, and the energy storage spring assembly and the connection of the spring assembly, the cascade device and the torque conversion assembly are completed by using a fastening device.
Further, the deformation coefficients of the plurality of springs are the same. The number of the springs 411 is four, the deformation coefficients of the four steel wires are the same, the springs are arranged at equal intervals in the circumferential direction, and the radial intervals are consistent. In order to keep the deformation coefficients consistent, the area of the steel wire and the diameter of the position are in an equal ratio relation. The steel wire is firmly embedded into the end cover plates at two ends, the energy storage spring 411 only generates axial extension force and radial tangential torsion when being screwed tightly, and the application direction of the torsion is the screwing force of the spring 411 instead of the opposite direction when in energy storage.
Referring to fig. 8, in one embodiment, the energy storage device includes a stress detector 60, the stress detector 60 is disposed inside the second fixed end plate 20, and the stress detector 60 is connected to the torque converter assembly 30. In order to detect the energy stored in the springs 411, a stress detection piece 60 is installed on each group of energy storage springs 411 of the torque conversion assembly 30, the stress detection piece 60 is installed on a stress detection installation groove, a stress isolation plate is covered after installation, only axial pressure detected by a detection piece is guaranteed, and the energy stored in the energy storage springs 411 is calculated by using the axial pressure value. Wherein, the springs are elastically tightened to store energy and rebound to release energy.
The invention also provides a wind power plant comprising an energy storage device as described above. The energy storage device comprises a first fixed end plate 10, a second fixed end plate 20, a torque conversion assembly 30 and an elastic assembly 40, wherein the first fixed end plate 10 and the second fixed end plate 20 are oppositely arranged, and an energy storage space is formed between the first fixed end plate 10 and the second fixed end plate 20; the first and second fixed end plates 10 and 20 are used to fix the elastic assembly 40. The torque conversion assembly is arranged on one side of the second fixed end plate. The first and second fixed end plates 10 and 20 may be metal plates or plastic plates. The first and second fixed end plates 10 and 20 may have a circular or square configuration.
The elastic component 40 is arranged in the energy storage space and connected with the torque conversion component, and the torque conversion component rotates the elastic component 40 to generate deformation and store energy. The elastic member 40 is fixed at least at one end to the first and second fixed end plates 10 and 20. Through the rotation of the torque conversion assembly, the elastic assembly 40 is deformed, and the electric power is converted into the elastic potential energy of the elastic assembly 40. When the electric power needs to be released, the elastic component 40 recovers deformation, drives the torque conversion component to rotate, releases elastic potential energy, and converts mechanical energy into electric energy.
In the solution of the present embodiment, an elastic member 40 is disposed between the first fixed end plate 10 and the second fixed end plate 20. The elastic member 40 is connected to the torque conversion member 30. At the low peak of electricity utilization, the torque conversion assembly 30 is driven by the redundant electric power, and the elastic assembly 40 is driven to deform by the rotation of the torque conversion assembly 30. Thereby, the surplus electric power is converted into deformation energy of the elastic member 40. During peak power usage, the resilient assembly 40 releases stored energy through the torque conversion assembly 30. According to the technical scheme, the elastic assembly 40 is used for converting redundant electric power into mechanical energy, so that storage of a battery is avoided, the situations of combustion and explosion are avoided, and the safety in use is ensured.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An energy storage device, comprising:
a first fixed end plate;
the first fixed end plate and the second fixed end plate are arranged oppositely, and an energy storage space is formed between the first fixed end plate and the second fixed end plate;
the cascade assembly is arranged on the outer side of the first fixed end plate;
the torque conversion assembly is arranged on the outer side of the second fixed end plate; and
the elastic assembly is arranged in the energy storage space and connected to the torque conversion assembly, and the torque conversion assembly rotates the elastic assembly to generate elastic deformation and store energy.
2. The energy storage device as claimed in claim 1, wherein a plurality of elastic components are arranged, a plurality of elastic components are radially arranged in the energy storage space, and a plurality of elastic components are arranged in a linkage manner.
3. The energy storage device of claim 2, wherein a plurality of said elastic members are each connected at one end to said cascade member and at the other end to said torque converter member.
4. The energy storage device according to claim 3, wherein said cascading elements comprise a plurality of cascading elements, each of said cascading elements connecting two adjacent sets of said elastic elements, said cascading elements being engaged with each other by gears.
5. The energy storage device according to any one of claims 1 to 4, wherein the elastic assembly comprises a plurality of elastic energy storage assemblies, and the plurality of elastic energy storage assemblies are connected in a snap fit manner along the axial direction.
6. The energy storage device as claimed in claim 5, wherein the elastic energy storage assembly comprises a plurality of elastic energy storage springs, and the plurality of elastic energy storage springs are sequentially sleeved on the two side sleeving plates of the elastic energy storage assembly in a radial equal angular distance manner.
7. The energy storage device of claim 6, wherein said plurality of springs have the same rate of deformation.
8. The energy storage device of claim 6 wherein said side splicing disks are identical in construction and have a plurality of equally spaced fastening slots formed in circumferential locations thereof, and wherein said energy storage spring assembly and said spring assembly are connected to said cascading device and said torque converter assembly by a fastening device.
9. The energy storage device according to any one of claims 1 to 5, wherein the energy storage device comprises a stress detection member provided inside the second fixed end plate.
10. The energy storage device of claim 7, wherein said plurality of springs are resiliently tightened to store energy and resiliently relaxed to release energy.
Priority Applications (1)
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CN202111243587.5A CN113982870A (en) | 2021-10-25 | 2021-10-25 | Energy storage device |
Applications Claiming Priority (1)
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CN202111243587.5A CN113982870A (en) | 2021-10-25 | 2021-10-25 | Energy storage device |
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CN113982870A true CN113982870A (en) | 2022-01-28 |
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Citations (7)
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---|---|---|---|---|
US6523646B1 (en) * | 1999-07-30 | 2003-02-25 | Glenn A. Gates | Spring driven apparatus |
JP2014020454A (en) * | 2012-07-18 | 2014-02-03 | chui-nan Qiu | Energy storage device storing energy by torsional force of spring |
CN103573952A (en) * | 2012-06-08 | 2014-02-12 | 邱垂南 | Energy storage device for storing energy as spring torsion |
DE202014100474U1 (en) * | 2013-02-05 | 2014-02-25 | Brandholding Kg | Spring package with several coiled spring coils and two spring end mounts |
CN204175535U (en) * | 2014-07-16 | 2015-02-25 | 大连伟特非标设备技术开发有限公司 | The storage device of torque machinery energy |
JP2016147317A (en) * | 2015-02-10 | 2016-08-18 | 勝行 戸津 | Thread fastening state detection device of electric rotary tool, torque adjustment method of the same, and thread fastening control method by using the same |
RU2015101130A (en) * | 2012-07-19 | 2016-09-10 | Чуй-Нан Чио | ENERGY ACCUMULATING DEVICE USING WORKERS FOR TURNING SPRINGS |
-
2021
- 2021-10-25 CN CN202111243587.5A patent/CN113982870A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6523646B1 (en) * | 1999-07-30 | 2003-02-25 | Glenn A. Gates | Spring driven apparatus |
CN103573952A (en) * | 2012-06-08 | 2014-02-12 | 邱垂南 | Energy storage device for storing energy as spring torsion |
JP2014020454A (en) * | 2012-07-18 | 2014-02-03 | chui-nan Qiu | Energy storage device storing energy by torsional force of spring |
RU2015101130A (en) * | 2012-07-19 | 2016-09-10 | Чуй-Нан Чио | ENERGY ACCUMULATING DEVICE USING WORKERS FOR TURNING SPRINGS |
DE202014100474U1 (en) * | 2013-02-05 | 2014-02-25 | Brandholding Kg | Spring package with several coiled spring coils and two spring end mounts |
CN204175535U (en) * | 2014-07-16 | 2015-02-25 | 大连伟特非标设备技术开发有限公司 | The storage device of torque machinery energy |
JP2016147317A (en) * | 2015-02-10 | 2016-08-18 | 勝行 戸津 | Thread fastening state detection device of electric rotary tool, torque adjustment method of the same, and thread fastening control method by using the same |
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Application publication date: 20220128 |