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CN-224233394-U - Gravity energy storage system

CN224233394UCN 224233394 UCN224233394 UCN 224233394UCN-224233394-U

Abstract

The utility model discloses a gravity energy storage system, which belongs to the technical field of energy storage equipment and comprises an energy storage well which is formed by pouring under the ground, wherein four linear motors are embedded and installed on the inner wall of the energy storage well, moving parts of the four linear motors are connected with connecting plates, the side walls of the connecting plates are in sliding connection with the inner wall of the energy storage well, a plurality of balancing weights for adjusting gravitational potential energy are welded at the bottoms of the balancing weights, inserting rods and inserting holes for assisting in fixing are welded at the bottoms of the balancing weights, the side walls of the inserting rods are in sliding connection with the inserting holes, a storage groove is formed in the top of the connecting plates, the inner wall of the storage groove is in sliding connection with the side walls of the balancing weights, inserting holes and inserting rods are also formed in the inner bottom wall of the storage groove, and threaded rods connected with the balancing weights are arranged between the inserting rods and the inserting holes. According to the utility model, the quantity of the electric energy which can be stored in a single energy storage well can be adjusted by increasing and reducing the quantity of the balancing weights, so that the resource consumption generated by the expansion of the energy storage well is reduced, and the practicability of the device is improved.

Inventors

  • GUO TAO

Assignees

  • 唐正储能科技(东营)有限公司

Dates

Publication Date
20260512
Application Date
20250329

Claims (7)

  1. 1. A gravity energy storage system, comprising: The method comprises the steps of building an energy storage well (1) formed by pouring under the ground, embedding and installing four linear motors (7) of the same type on the inner wall of the energy storage well (1), connecting a connecting plate (3) for fixing on the moving parts of the four linear motors (7), and connecting the side wall of the connecting plate (3) with the inner wall of the energy storage well (1) in a sliding manner; The gravity potential energy balancing device comprises a plurality of balancing weights (2) for balancing the gravity potential energy, wherein inserting rods (12) and inserting holes (11) for assisting in fixing are welded at the bottoms of the balancing weights (2), and the side walls of the inserting rods (12) are in sliding connection with the inserting holes (11); The top of connecting plate (3) is equipped with the storing groove, and the inner wall in storing groove and the lateral wall sliding connection of balancing weight (2), and the interior bottom wall in storing groove also is equipped with jack (11) and inserted bar (12), is equipped with threaded rod (9) that are connected with balancing weight (2) between inserted bar (12) and jack (11).
  2. 2. A gravity energy storage system according to claim 1, wherein the moving parts of the four linear motors (7) are welded with moving blocks (10), and the side wall of each moving block (10) is in sliding connection with the inner wall of the energy storage well (1).
  3. 3. A gravity energy storage system according to claim 2, wherein the other sides of the four moving blocks (10) are welded with the side wall of a circular plate (8), and the side wall of the circular plate (8) is connected with the inner wall of the energy storage well (1).
  4. 4. A gravity energy storage system according to claim 3, wherein the top of the circular plate (8) is also provided with symmetrical insertion holes (11) and insertion rods (12), and the circular plate (8) is abutted with the bottom of the connecting plate (3) through the insertion holes (11) and the insertion rods (12).
  5. 5. The gravity energy storage system according to claim 1, wherein eight through holes are formed in the balancing weight (2) at equal intervals, each through hole is connected with a mounting hole (6), and the mounting holes (6) are formed in the top of the balancing weight (2).
  6. 6. A gravity energy storage system according to claim 5, wherein the inner walls of four mounting holes (6) are slidably connected with a threaded rod (9), the end of the threaded rod (9) is in threaded connection with a nut (4), and the bottom of the nut (4) is abutted with the bottom wall of the mounting hole (6).
  7. 7. The gravity energy storage system according to claim 5, wherein the top of the balancing weight (2) is welded with a lifting lug (5), and the lifting lug (5) is connected with a lifting structure arranged at the top of the energy storage well (1).

Description

Gravity energy storage system Technical Field The utility model belongs to the technical field of energy storage equipment, and particularly relates to a gravity energy storage system. Background Gravity energy storage is a technology for storing energy by utilizing gravitational potential energy, converting electric energy into gravitational potential energy by lifting a weight to a high place, and releasing the potential energy back into electric energy through the action of gravity when needed. The existing gravity well energy storage device can only generally fix the storage amount of potential energy in a single well when in use, and cannot be flexibly adjusted according to the reserved electric quantity of a power grid, so that a certain margin is reserved for adjustment when the energy storage well is built, the labor and the cost for building the energy storage well are high, the resource waste is caused by excessive building opportunities, the construction period is prolonged, and the practicability is low. Through retrieval, for example (grant bulletin number CN 219164301U), the gravity well energy storage device comprises an electric power well and a plurality of gravity wells, wherein a control mechanism is arranged in the electric power well and comprises a transmission assembly and an adjusting assembly, the adjusting assembly is used for limiting the movement of the transmission assembly, the transmission assembly is connected with a gravity module through a traction rope, the gravity module is arranged in the gravity well, a guide wheel is arranged on the gravity well, the traction rope is wound on the guide wheel, and the severe requirements of gravity block energy storage on a field are solved through the design of a group well. The device has solved when current equipment uses, and area is more problem, but the device still exists and can not carry out nimble regulation according to actual conditions, makes it can cause the energy storage energy insufficient or remain there is idle energy storage well, has reduced the practicality of device. Disclosure of utility model The utility model aims to provide a gravity energy storage system for solving the problems in the background art. In order to achieve the above purpose, the utility model provides a gravity energy storage system, comprising: the method comprises the steps of building an energy storage well formed by pouring under the ground, embedding and installing four linear motors of the same type on the inner wall of the energy storage well, connecting a connecting plate for fixing the moving parts of the four linear motors, and connecting the side wall of the connecting plate with the inner wall of the energy storage well in a sliding manner; The bottom of the balancing weight is welded with a inserted link and a jack for auxiliary fixation, and the side wall of the inserted link is in sliding connection with the jack; the top of connecting plate is equipped with the storing groove, and the inner wall in storing groove and the lateral wall sliding connection of balancing weight, and the interior bottom wall in storing groove also is equipped with jack and inserted bar, is equipped with the threaded rod of being connected with the balancing weight between inserted bar and the jack. As a preferred embodiment, the moving parts of the four linear motors are welded with moving blocks, and the side wall of each moving block is in sliding connection with the inner wall of the energy storage well. As a preferred embodiment, the other sides of the four moving blocks are welded with the side wall of the circular plate, and the side wall of the circular plate is connected with the inner wall of the energy storage well. As a preferred embodiment, the top of the circular plate is also provided with symmetrical insertion holes and insertion rods, and the circular plate is abutted with the bottom of the connecting plate through the insertion holes and the insertion rods. As the preferred embodiment, the inside of balancing weight is equipped with eight equidistant through-holes that set up, and every through-hole all is connected at the mounting hole with setting up, and the mounting hole sets up at the top of balancing weight. As a preferred embodiment, the inner walls of the four mounting holes are slidably connected with a threaded rod, the end of the threaded rod is in threaded connection with a nut, and the bottom of the nut is abutted with the bottom wall of the mounting hole. As the preferred embodiment, the top welding of balancing weight has the lug, and the lug is connected with the hoisting structure that the energy storage well top set up. Compared with the prior art, the utility model has the technical effects and advantages that: This gravity energy storage system, inner wall sliding connection at the energy storage well is connected with the connecting plate, the connecting plate sets up threaded rod, jack and inserted bar and balanci