Combined gravity block for gravity energy storage system

Abstract

The utility model relates to the technical field of gravity energy storage, in particular to a combined gravity block for a gravity energy storage system, which comprises a shell, a support plate and a cross support are arranged in the shell, the cross support is positioned at the bottom of the support plate, and the support plate and the cross support are horizontally laid at the bottom of the shell. The top of the supporting plate is fixedly connected with vertically-placed partition plates, the partition plates divide the inner space of the shell into a plurality of containing cavities, and the containing cavities are distributed in a latticed mode. Compared with the prior art, the total weight of the gravity block is dispersed into a plurality of unit weight blocks, the gravity block is filled with the unit weight blocks, and therefore the weight of the gravity block is reduced; during installation, only a plurality of unit weight blocks need to be filled into the shell, the total assembly of the weight blocks can be completed, the partition plates achieve ordered distribution of the unit weight blocks, the structural stability of the unit weight blocks is guaranteed, and transportation is facilitated while installation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of gravity energy storage, in particular to a combined gravity block for a gravity energy storage system. Background Art

[0002] Gravity energy storage is a type of mechanical energy storage, with the energy storage medium in its gravity blocks primarily consisting of solid matter and water. The basic principle of gravity energy storage is to raise and lower the gravity blocks based on height differences, thereby completing the charging and discharging process of the energy storage system.

[0003] The weight of existing gravity blocks ranges from several tons to dozens of tons depending on the energy storage power. The heavier the gravity block, the larger its volume. Large and heavy gravity blocks are very inconvenient to install and transport. In order to facilitate installation and transportation, heavy gravity blocks are usually composed of multiple small gravity blocks combined and spliced ​​in a side-by-side manner. Gravity blocks with this structure facilitate installation and transportation to a certain extent. However, small gravity blocks weighing several tons still require large cranes and manual cooperation to be combined and spliced ​​into heavy gravity blocks during installation and transportation. The installation efficiency is still not high. Moreover, as the gravity blocks are frequently raised and lowered, the joints between the small gravity blocks on them will age and wear, causing the small gravity blocks to fall off, resulting in equipment failure.

[0004] Therefore, it is necessary to propose a combined gravity block for a gravity energy storage system to facilitate the transportation and installation of the gravity block while ensuring the structural stability between the small gravity blocks. Utility Model Content

[0005] The purpose of the utility model is to solve the problem that the existing gravity blocks are not convenient to install and transport, and the small gravity blocks are easy to fall off. A combined gravity block for a gravity energy storage system is now provided.

[0006] The technical solution of the utility model is:

[0007] A combined gravity block for a gravity energy storage system includes a shell, a support plate and a cross support are provided in the shell, the cross support is located at the bottom of the support plate, and the support plate and the cross support are both horizontally laid on the bottom of the shell;

[0008] The top of the support plate is fixedly connected to a vertically placed partition, which divides the internal space of the shell into multiple accommodating chambers. The accommodating chambers are distributed in a grid shape. Unit weight blocks are provided in the accommodating chambers, and the shape of the unit weight blocks matches the cross-sectional shape of the accommodating chambers.

[0009] Furthermore, the interior of the unit weight block is filled with concrete or sand and gravel, and a lifting groove is left on the top of the unit weight block.

[0010] Furthermore, a cross groove for accommodating the cross support is provided at the bottom of the shell, the cross support is located in the cross groove, and the lower bottom surface of the support plate fits with the bottom surface of the shell.

[0011] Furthermore, a through hole is opened in the side wall of the shell, and the through hole passes through from the bottom of the side wall of the shell to the top of the side wall of the shell.

[0012] Furthermore, the cross support is cross-shaped, and the four outer ends of the cross support are fixedly connected to the first steel wire rope. The first steel wire rope enters the through hole from the bottom of the shell side wall and passes through the top of the shell side wall.

[0013] Furthermore, a second steel wire rope is provided on the top of the shell, and the second steel wire rope is fixedly connected to the top of the side wall of the shell.

[0014] Furthermore, the shell is a rectangular parallelepiped or a cube, and there are at least four first steel ropes, which are evenly distributed in the four side walls of the shell.

[0015] Furthermore, there are at least four second steel ropes, which are evenly distributed on the four side walls of the shell.

[0016] Furthermore, the unit weight block is a cuboid or a cube.

[0017] The utility model discloses a combined gravity block for a gravity energy storage system, the total weight of which is composed of a plurality of unit weight blocks. The support plate and the cross support at the bottom thereof can provide a fulcrum and support for the unit weight blocks, and the accommodating chambers divided by the partitions can better regulate the arrangement of the unit weight blocks. The shape of the unit weight blocks matches the cross-sectional shape of the accommodating chambers, which can make the unit weight blocks orderly distributed in the shell, thereby filling the internal space of the shell and preventing the unit weight blocks from shaking in the shell due to residual excess space in the shell. Compared with traditional technology, the present technical solution disperses the total weight of the gravity blocks into many unit weight blocks, and the gravity blocks are filled by the unit weight blocks. During installation, it is only necessary to load a plurality of unit weight blocks into the shell to complete the assembly of the total gravity blocks. The partitions realize the orderly distribution of the unit weight blocks, ensure the structural stability of the unit weight blocks, and facilitate installation while also facilitating transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural reference diagram of the utility model;

[0019] Figure 2 This is a full cross-sectional view of the utility model;

[0020] Figure 3 This is a reference diagram of the use status of the utility model;

[0021] Figure 4 This is a reference diagram of the unit weight structure of this utility model.

[0022] Figure numerals: 1. Shell; 2. Support plate; 3. Cross support; 4. Partition; 5. Accommodating chamber; 6. Unit weight block; 7. Lifting groove; 8. Cross groove; 9. Through hole; 10. First steel wire rope; 11. Second steel wire rope. DETAILED DESCRIPTION

[0023] In order to make the technical means, technical features, purpose of the utility model and technical effects achieved by the utility model easier to understand, the utility model is further explained below with reference to specific illustrations.

[0024] Example 1

[0025] like Figure 1 and Figure 2 As shown, this embodiment provides a combined gravity block for a gravity energy storage system, including a shell 1, a support plate 2 and a cross support 3 are provided in the shell 1, the cross support 3 is located at the bottom of the support plate 2, the support plate 2 and the cross support 3 are both horizontally laid on the bottom of the shell 1, and the top of the support plate 2 is screwed or welded with a vertically placed partition 4, the partition 4 divides the internal space of the shell 1 into a plurality of accommodating chambers 5, the accommodating chambers 5 are distributed in a grid shape, and a unit weight block 6 is provided in the accommodating chamber 5, and the shape of the unit weight block 6 matches the cross-sectional shape of the accommodating chamber 5.

[0026] Preferably, the interior of the unit weight block 6 is filled with concrete or sand and gravel, and a lifting groove 7 is left on the top of the unit weight block 6. Filling with concrete or sand and gravel has better stability and practicality than filling with water. The lifting groove 7 can facilitate the crane to lift the unit weight block 6 and facilitate disassembly and assembly.

[0027] Preferably, a cross groove 8 for accommodating the cross support 3 is provided at the bottom of the shell 1, the cross support 3 is located in the cross groove 8, and the lower bottom surface of the support plate 2 fits the bottom surface of the shell 1. Preferably, the support plate 2 and the cross support 3 are made of high-strength steel, which share the weight of the unit weight block 6 together with the support plate 2.

[0028] Preferably, a through hole 9 is opened in the side wall of the shell 1, and the through hole 9 passes through the bottom of the side wall of the shell 1 to the top of the side wall of the shell 1. Preferably, the cross support 3 is cross-shaped, and the four outer end screws of the cross support 3 are connected to the first steel wire rope 10. The first steel wire rope 10 enters the through hole 9 from the bottom of the side wall of the shell 1 and passes through the top of the side wall of the shell 1. The first steel wire rope 10 is connected to the cross support 3. When the gravity energy storage system pulls the shell 1 up and down, the weight of the unit weight block 6 is mainly borne by the support plate 2 and the cross support 3. Therefore, the first steel wire rope 10 is the main force-bearing rope. When the gravity energy storage system pulls the first steel wire rope 10 to drive the shell 1 up and down, the shell 1 will not be subjected to excessive gravity from the unit weight block 6, thereby ensuring the service life of the shell 1. The shell 1 will not be damaged, and the unit weight blocks 6 in the shell 1 will not be scattered and fall out, so the structural stability of each unit weight block 6 is guaranteed.

[0029] Preferably, a second steel wire rope 11 is provided on the top of the shell 1, and the second steel wire rope 11 is fixedly connected to the top screw of the side wall of the shell 1. The second steel wire rope 11 is mainly used to pull the shell 1 up and down. The second steel wire rope 11 can share the weight of the shell 1 itself with the first steel wire rope 10, thereby reducing the pressure on the first steel wire rope 10.

[0030] Preferably, the shell 1 is a rectangular parallelepiped or a cube, and the shell 1 can be disassembled into multiple plates. There are at least four first steel ropes 10, which are evenly distributed in the four side walls of the shell 1. At least four first steel ropes 10 can ensure the balance of the shell 1 when it is pulled and lifted, and prevent shaking and flipping.

[0031] Preferably, there are at least four second steel ropes 11 , which are evenly distributed on the four side walls of the housing 1 . At least four second steel ropes 11 can ensure the force balance of the housing 1 and prevent shaking during traction and lifting.

[0032] Preferably, the unit weight block 6 is a cuboid or a cube.

[0033] The total weight of the combined gravity block is composed of multiple unit weight blocks 6. The shell 1 is a rectangular parallelepiped or a cube. Each side of the shell 1 is surrounded by a plate, which is a high-strength metal material such as steel plate. The plates are fixedly connected by high-structural strength processes such as screws.

[0034] like Figure 3 and Figure 4As shown, during installation, first place the bottom plate of the shell 1, put the cross support 3 into the cross groove 8, then lay the support plate 2 flat on the bottom plate, put the partition 4 on the support plate 2 and fix it, the first steel wire rope 10 is fixed to the end of the cross support 3, and passes through the through hole 9 on the side wall of the shell 1, then fix the side wall of the shell 1 to the bottom plate of the shell 1, and use a crane or a crane to fix it to the lifting groove 7, so that the unit weight block 6 is placed in each accommodating cavity 5. After filling the shell 1, cover the upper cover of the shell 1, and the upper cover is provided with a hole for the first steel wire rope 10 to pass through. The second steel wire rope 11 is fixed to the side wall of the shell 1, tied together with the first steel wire rope 10, and connected and fixed to the lifting mechanism of the gravity energy storage system.

[0035] When in use, the support plate 2 and the cross support 3 at its bottom can provide a fulcrum and support for the unit weight block 6, and the accommodating cavity 5 divided by the partition 4 can better regulate the arrangement between the unit weight blocks 6. The shape of the unit weight block 6 matches the cross-sectional shape of the accommodating cavity 5, which can make the unit weight blocks 6 orderly distributed in the shell 1, thereby filling the internal space of the shell 1 and preventing the remaining excess space in the shell 1 from causing the unit weight block 6 to shake in the shell 1. This technical solution disperses the total weight of the gravity block into many unit weight blocks 6, and the unit weight blocks 6 are filled with gravity blocks. During installation, only multiple unit weight blocks 6 need to be loaded into the shell 1 to complete the assembly of the total gravity block. The partition 4 realizes the orderly distribution of each unit weight block 6, ensures the structural stability of each unit weight block 6, and facilitates installation while also facilitating transportation.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the scope of implementation of the present invention. In other words, any equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the technical scope of the present invention.

Claims

1. A combined gravity block for a gravity energy storage system, comprising a housing (1), characterized in that: A support plate (2) and a cross support (3) are provided in the shell (1), the cross support (3) is located at the bottom of the support plate (2), and the support plate (2) and the cross support (3) are both laid horizontally on the bottom of the shell (1); A vertically placed partition (4) is fixedly connected to the top of the support plate (2), and the partition (4) divides the internal space of the shell (1) into a plurality of accommodating chambers (5). The accommodating chambers (5) are distributed in a grid shape, and unit weight blocks (6) are provided in the accommodating chambers (5). The shape of the unit weight blocks (6) matches the cross-sectional shape of the accommodating chambers (5).

2. The combined gravity block for the gravity energy storage system according to claim 1, characterized in that: The interior of the unit weight block (6) is filled with concrete or sand and gravel, and a lifting groove (7) is left on the top of the unit weight block (6).

3. The combined gravity block for the gravity energy storage system according to claim 1, characterized in that: A cross groove (8) for accommodating the cross support (3) is provided at the bottom of the shell (1); the cross support (3) is located in the cross groove (8); and the lower bottom surface of the support plate (2) is in contact with the bottom surface of the shell (1).

4. The combined gravity block for the gravity energy storage system according to claim 1, characterized in that: A through hole (9) is provided in the side wall of the shell (1), and the through hole (9) passes through from the bottom of the side wall of the shell (1) to the top of the side wall of the shell (1).

5. The combined gravity block for the gravity energy storage system according to claim 4, characterized in that: The cross support (3) is cross-shaped, and the four outer ends of the cross support (3) are fixedly connected to the first steel wire rope (10). The first steel wire rope (10) enters the through hole (9) from the bottom of the side wall of the shell (1) and passes through the top of the side wall of the shell (1).

6. The combined gravity block for the gravity energy storage system according to claim 5, characterized in that: A second steel wire rope (11) is provided on the top of the housing (1), and the second steel wire rope (11) is fixedly connected to the top of the side wall of the housing (1).

7. The combined gravity block for the gravity energy storage system according to claim 1, characterized in that: The housing (1) is a rectangular parallelepiped or a cube, and there are at least four first steel wire ropes (10), which are evenly distributed in the four side walls of the housing (1).

8. The combined gravity block for the gravity energy storage system according to claim 7, characterized in that: There are at least four second steel wire ropes (11), which are evenly distributed on the four side walls of the housing (1).

9. The combined gravity block for the gravity energy storage system according to claim 1, characterized in that: The unit weight block (6) is a cuboid or a cube.

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