Gravity energy storage block capable of being spliced and gravity energy storage device

Abstract

The utility model belongs to the technical field of gravity energy storage, and discloses a gravity energy storage block capable of being spliced, which comprises a concrete mass block, a central link key is fixed at the central position of the top surface of the mass block, a plurality of peripheral link keys are fixed on the outer side of the central link key, and the central link key and the peripheral link keys are bulges higher than the mass block; the bottom surface of the mass block is provided with a central linking key slot and a plurality of peripheral linking key slots, the central linking key is matched with the central linking key slot in a limiting manner, and the peripheral linking keys are matched with the peripheral linking key slots in a limiting manner; a gravity energy storage block in the prior art has the problems of difficulty in mounting and positioning, easiness in rotating and slipping, high pouring difficulty and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of gravity energy storage, in particular to a splicable gravity energy storage block and a gravity energy storage device. Background Art

[0002] The statements here only provide the background art related to the utility model, and do not necessarily constitute the prior art.

[0003] With the increasing global use of renewable energy sources (such as wind energy, solar energy), the demand for energy storage technology is also growing continuously. These energy sources are inherently unstable and cannot provide energy all day long, so an effective energy storage system is needed to balance supply and demand. Gravity energy storage is a technology that uses gravitational potential energy for energy storage. This energy storage method has the advantages of flexible site selection, large energy storage capacity, and inherent safety of the system, and has received extensive attention at home and abroad in recent years.

[0004] The basic principle of gravity energy storage is to lift and lower the energy storage medium based on the height difference, so as to complete the charge and discharge process of the energy storage system. During the charging process, the gravity energy storage system uses electricity to lift heavy objects to a high place, increasing their gravitational potential energy, thus completing energy storage. When discharging is needed, the gravitational potential energy is converted into kinetic energy through the falling of heavy objects, and then further converted into electrical energy. Its basic principle is to use the excess electrical energy to lift heavy objects, and when energy is needed, the potential energy generated by the falling of heavy objects is converted into electrical energy.

[0005] Gravity energy storage blocks are usually prepared using high-density materials (such as concrete, steel), and a limiting structure to prevent movement is provided on the energy storage block. However, the cost of these materials is relatively high, and the existing limiting structures have limited effects. For example, patent CN218598309 U discloses a new type of gravity energy storage block. Although a cross-shaped limiting structure is provided on the top cover and bottom surface of the iron box energy storage block, the pouring of the concrete energy storage block is difficult, air bubbles are likely to be generated at the cross-shaped limiting structure, reducing the limiting effect, and the concrete is prone to wear during use and is likely to slip in the later stage of use, causing huge safety hazards. At the same time, the relatively thin cross-shaped grooves are not easy to position during the installation of the energy storage block, and it is easy to have improper installation, further increasing wear and safety hazards. Summary of the Utility Model

[0006] Aiming at the deficiencies of the prior art, the purpose of the embodiments of the present utility model is to provide a splicable gravity energy storage block and a gravity energy storage device, which at least solve one of the above problems.

[0007] To achieve the above purpose, the embodiments of the present utility model provide the following technical solutions:

[0008] A splicable gravity energy storage block, comprising:

[0009] A concrete mass block has a central connecting key fixed at the central position of the top surface of the mass block, and a plurality of peripheral connecting keys are fixed outside the central connecting key. Both the central connecting key and the peripheral connecting keys are protrusions that protrude above the mass block.

[0010] A central connecting key groove and a plurality of peripheral connecting key grooves are provided on the bottom surface of the mass block, and the central connecting key and the central connecting key groove, and the peripheral connecting keys and the peripheral connecting key grooves are set in a limit-matching manner.

[0011] Through the cooperation of the keys and key grooves with the above structure, the rotation or movement of adjacent energy storage blocks can be restricted, preventing the adjacent energy storage blocks from rotating circumferentially, generating friction or even collision, resulting in wear or breakage.

[0012] In some embodiments, the central connecting key is set higher than the peripheral connecting keys, and the depth of the central connecting key groove is also greater than that of the peripheral connecting key grooves.

[0013] This setting can not only further prevent the gravity energy storage blocks from slipping in the radial direction, but also the different heights are beneficial for installation positioning, facilitating installation or replacement.

[0014] In some embodiments, the peripheral connecting keys are set to four and are evenly fixed around the central connecting key.

[0015] In some embodiments, the central connecting key is set to a cylindrical structure, and one bottom surface of the cylinder is fixedly connected to the mass block.

[0016] In some embodiments, the peripheral connecting keys are set to a semi-cylindrical structure, and the arc surface of the semi-cylinder faces upward. The arc surface of the peripheral connecting key facing upward not only facilitates installation, but also increases the contact area between adjacent energy storage blocks, preventing sliding friction.

[0017] In some embodiments, the mass block, the central connecting key and the peripheral connecting keys are integrally provided.

[0018] In some embodiments, the mass block, the central connecting key and the peripheral connecting keys are integrally cast with concrete.

[0019] In some embodiments, the mass block is of a rectangular structure.

[0020] In some embodiments, the concrete is recycled concrete, and the concrete contains recycled aggregates, and the recycled aggregates are made from construction waste waste concrete and bricks.

[0021] A gravity energy storage device includes a plurality of the above-mentioned spliceable gravity energy storage blocks, the gravity energy storage blocks are arranged up and down, and adjacent energy storage blocks are connected in a limit manner through keys and key grooves.

[0022] One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages:

[0023] 1. The cooperation between the keys and key grooves of the energy storage blocks adjacent up and down in the present utility model can limit the sliding or even slipping of adjacent energy storage blocks. The arrangement of the surrounding connecting keys and key grooves can prevent the circumferential rotation of adjacent energy storage blocks, thus avoiding friction or even collision, which may cause wear or breakage, resulting in a reduction in the weight of the energy storage blocks and even a decrease in their service life.

[0024] 2. The present utility model adopts modular energy storage blocks. Through modular design and splicing technology, the energy storage blocks can be prefabricated in the factory and then transported to the site for splicing and installation, which simplifies the transportation and construction processes, reduces the transportation, installation and maintenance costs, and thus improves the economy of the system.

[0025] 3. The design that the central connecting key is higher than the surrounding connecting keys can further prevent the radial slipping of the energy storage blocks. At the same time, the height difference cooperates with the upward arc surface of the surrounding connecting keys, so that precise positioning is not required for installation or replacement, reducing the installation difficulty. Meanwhile, the contact area between adjacent energy storage blocks is increased to prevent sliding friction.

[0026] 4. Using recycled aggregates to prepare energy storage blocks can effectively recycle construction waste and reduce the impact of waste on the environment. Compared with traditional high-density materials (such as steel and concrete), recycled aggregates usually consume less energy in the production process, thus reducing carbon emissions. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The attached drawings forming a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments and descriptions thereof are used to explain the present utility model and do not constitute an improper limitation to the present utility model.

[0028] Figure 1 is a three-dimensional structural schematic diagram of the gravity energy storage block provided by the embodiment of the present utility model;

[0029] Figure 2 is a cross-sectional schematic diagram of the gravity energy storage block provided by the embodiment of the present utility model;

[0030] In the figure: 1. Central connecting key; 2. Surrounding connecting key; 3. Central key groove; 4. Surrounding key groove; 5. Mass block.

[0031] The distances or sizes between each part are exaggerated for showing the positions of each part, and the schematic diagram is only for illustration. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] It should be noted that the following detailed description is illustrative and aims to provide further explanation of the present utility model. Unless otherwise specified, all technical and scientific terms used in the present utility model have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs.

[0033] As introduced in the background art, there are problems such as difficult installation and positioning, easy rotation, slippage, or large pouring difficulty of gravity energy storage blocks in the prior art. To solve the above technical problems, the present utility model proposes a spliceable gravity energy storage block and a gravity energy storage device.

[0034] As Figure 1 、 Figure 2 shown, an embodiment of the present utility model records a spliceable gravity energy storage block, including: a mass block 5 of concrete, a central link key 1 is fixed at the central position of the top surface of the mass block 5, the central link key 1 is a protrusion higher than the mass block 5, and a plurality of peripheral link keys 2 are fixed on the outside of the central link key 1, and the peripheral link keys 2 are also protrusions higher than the mass block 5; a central link key 1 groove and a plurality of peripheral link keys 2 grooves are provided on the bottom surface of the mass block 5, the central link key 1 groove and the plurality of peripheral link keys 2 grooves are groove structures, and the central link key 1 and the central link key 1 groove, the peripheral link keys 2 and the peripheral link keys 2 grooves are arranged in a limit matching manner.

[0035] Through the cooperation of multiple keys and key grooves with the above structure, not only can the rotation or movement of adjacent energy storage blocks be restricted, but also the circumferential rotation of adjacent energy storage blocks can be prevented, resulting in friction or even collision and causing wear or breakage.

[0036] In an alternative embodiment, the height of the central link key 1 is set higher than that of the peripheral link keys 2, and the depth of the central link key 1 groove is also greater than that of the peripheral link keys 2 groove; the diameter width of the central link key 1 is also greater than the width of the peripheral link keys 2. The central link key 1 is the main stress structure, its width is greater than that of the peripheral link keys 2, and the central link key 1 is higher than the peripheral link keys 2, which is convenient for step-by-step installation and positioning, reduces the positioning difficulty, and can also prevent the gravity energy storage block from slipping in the radial direction. In a preferred embodiment, the height of the central link key 1 is set to 5 cm, the diameter of the central link key 1 is 10 cm; the width of the peripheral link keys 2 is 5 cm, and the height of the peripheral link keys 2 is 2.5 cm.

[0037] In an alternative embodiment, the number of peripheral link keys 2 can be set to two, three, or four, preferably four, and the peripheral link keys 2 are evenly fixed around the central link key 1, and the peripheral link keys 2 grooves are arranged corresponding to the peripheral link keys 2 to form a limit structure to restrict the sliding of the energy storage block.

[0038] In an alternative embodiment, the central link key 1 is arranged in a cylindrical structure, and the central link key 1 groove is also correspondingly arranged as a cylindrical groove, wherein one bottom surface of the cylinder is integrally connected to the mass block 5.

[0039] In an alternative embodiment, the surrounding link keys 2 are arranged in a semi-cylindrical structure, with the arc surface of the semi-cylinder facing upward and the flat surface facing downward and integrally connected to the mass block 5. The surrounding link key 2 grooves are also arranged as semi-cylindrical grooves, and the surrounding link keys 2 and the surrounding link key 2 grooves are correspondingly arranged. With the arc surface of the surrounding link keys facing upward, the installation of the upper energy storage bricks can be achieved without the need for accurate positioning of the keys and key grooves, while increasing the contact area between adjacent energy storage blocks and preventing sliding friction.

[0040] In an alternative embodiment, the mass block 5, the central link key 1 and the surrounding link keys 2 are integrally arranged. Preferably, the mass block 5, the central link key 1 and the surrounding link keys 2 are integrally cast with concrete.

[0041] In an alternative embodiment, the mass block 5 is in a rectangular structure.

[0042] In an alternative embodiment, the concrete is recycled concrete, and the concrete contains recycled aggregates, which are made from construction waste, waste concrete and bricks.

[0043] Another embodiment of the present utility model describes a gravity energy storage device, which includes a plurality of the above-mentioned spliceable gravity energy storage blocks. The gravity energy storage blocks are arranged up and down, and the adjacent energy storage blocks are arranged up and down. The central link key 1 is connected to the central link key 1 groove in a limiting manner, and the surrounding link key 2 is connected to the surrounding link key groove 4 in a limiting manner, so as to realize the fixation of the upper and lower adjacent limiting blocks and prevent circumferential rotation or slippage.

[0044] During installation, insert the central link key 1 of the first energy storage block into the central link key groove 3 of the second energy storage block for primary positioning. Adjust the direction of the first energy storage block, roughly align the surrounding link key 2 with the surrounding link key groove 4, and the energy storage block naturally falls under the action of gravity, and the surrounding link key 2 is accurately inserted into the surrounding link key groove 4 to complete the installation of the energy storage block.

[0045] During use or handling, the central link key 1 is connected to the central link key groove 3 in a limiting manner to fix adjacent energy storage blocks and prevent the energy storage blocks from slipping, and the surrounding link key 2 is connected to the surrounding link key groove 4 in a limiting manner to prevent adjacent energy storage blocks from sliding circumferentially.

[0046] Although the specific embodiments of the present utility model are described above in conjunction with the accompanying drawings, it is not a limitation on the protection scope of the present utility model. Those skilled in the art should understand that based on the technical solutions of the present utility model, various modifications or deformations that can be made by those skilled in the art without creative efforts are still within the protection scope of the present utility model.

Claims

1. A splicable gravity energy storage block, characterized in that: include: A concrete mass block, wherein a central link key is fixed at the center of the top surface of the mass block, and a plurality of peripheral link keys are fixed outside the central link key, wherein both the central link key and the peripheral link keys are protrusions higher than the mass block; A central connecting keyway and a plurality of peripheral connecting keyways are arranged on the bottom surface of the mass block, and the central connecting key and the central connecting keyway, the peripheral connecting keys and the peripheral connecting keyways are arranged in a limit matching manner.

2. The splicable gravity energy storage block according to claim 1, characterized in that: The center link key is higher than the surrounding link keys, and the depth of the center link keyway is also greater than the surrounding link keyways.

3. The splicable gravity energy storage block according to claim 1, characterized in that: The surrounding link keys are arranged in four numbers and are evenly fixed around the central link key.

4. The splicable gravity energy storage block according to claim 1, characterized in that: The central link key is arranged as a cylindrical structure, and a bottom surface of the cylinder is fixedly connected to the mass block.

5. The splicable gravity energy storage block according to claim 1, characterized in that: The surrounding link keys are arranged as a semi-cylindrical structure, with the arc surface of the semi-cylinder facing upwards.

6. The connectable gravity energy storage block according to claim 1, characterized in that: The mass block, the center link key and the surrounding link keys are integrally arranged.

7. The splicable gravity energy storage block according to claim 1, characterized in that: The mass block, the center link key and the surrounding link keys are cast in one piece using concrete.

8. The splicable gravity energy storage block according to claim 1, characterized in that: The mass block is a rectangular structure.

9. The connectable gravity energy storage block according to claim 7, characterized in that: The concrete is recycled concrete, which contains recycled aggregates made from construction waste, discarded concrete and bricks.

10. A gravity energy storage device, characterized in that: The invention comprises a plurality of gravity energy storage blocks which can be spliced ​​together according to any one of claims 1 to 9, wherein the gravity energy storage blocks are arranged up and down, and adjacent energy storage blocks are limitedly connected by keys and key slots.

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